NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770
Edition: Model Aviation - 1992/09
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 57, 59, 140, 141, 144
NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770
Edition: Model Aviation - 1992/09
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 57, 59, 140, 141, 144
NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770
Edition: Model Aviation - 1992/09
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 57, 59, 140, 141, 144
NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770
Edition: Model Aviation - 1992/09
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 57, 59, 140, 141, 144
NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770
Edition: Model Aviation - 1992/09
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 57, 59, 140, 141, 144
NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770
Edition: Model Aviation - 1992/09
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 57, 59, 140, 141, 144
NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770
Edition: Model Aviation - 1992/09
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 57, 59, 140, 141, 144
NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770
Edition: Model Aviation - 1992/09
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 57, 59, 140, 141, 144
NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770
Edition: Model Aviation - 1992/09
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 57, 59, 140, 141, 144
NO OCR TEXT NO OCR TEXT Graupner motor Expecting great things called model Aria Graupner Speed 700 Turbo 96-volt motor has three distinguishing features 1 brute size 2 51s-in length 111/16-in diameter 113 oz 2 direct-drive performance 10 x 6 Scimitar folding propeller 3 low cost $2270 motor alone $4870 motor plus prop prices include batteries on/off switch controller used Aria motor ball bearings internal cooling fan available $3940 has power Getting kind low-cost performance fewer cells easily justifies motors extra weightabout same Astro 25 cobalt tested Speed 700 Turbo eight cells direct comparisons other systems difficult found Aria Graupner performs comparably motors ranging geared FAI cobalt 05 turning 12 x 8 propeller seven cells direct-drive FAI cobalt 15 12 cells FAI cobalt 15 does have GLUE TOGETHER NOSE RINGGOSLING ROLES MOTOR SCREWS6 7 TURBO TOO MOTOR RUOULE NINO MARE ALL NOSE RINO PARTS OF UNE I/B F NON N4 SOFT ORB BALSA NI RH TRI F II IRBOIRA ill.3R32 SIOESUBRIRN IFrRH TRIFZ -- M SOFT 3R8 BALSAHINT I/B PLY SKIDPIN BOTTOM UIEW OF FUSELASE II STYROFOAM BLOCKS TO STUFF COMPARTMENTPIe1 BRAS PIN RINSES 17 IADESIGN BY BILL WINTER ORAWN BY JOHN HUNTON ARDEC RI somewhat thrust Speed 700 Turbo still less Speed 700 Turbo BB however variables props drains run times number cells John Hunton working bigwing version Aria published 52 Model Aviation Underside wing shows flap actuation mechanism Linear aciion moves ootn flaps equal rate Arias high ratio lift-to-drag wing flaps high drag helps make short landings possible Rudder horn setup lightweight pull-pull Graupner Speed 700 Turbo motor mounted nose ring ball bearing control cables System incomparably version rests beside its box Aria designed specifically new low-cost motor smooth eliminates blowback Propeller Graupner 10 x 6 Scimitar folder FULL-SIZE PLANS AVAILABLE SEE PAGE 186 GLUE TO NOSETGCR GLUE I/4 GRILL 6/32 ALINO NUTSIYk7~UTl 00F IFO N4INSERT FORf /8 BALSAFINISRED TURNINGII IRU- ELEVATOR/RUDDER AALANOE1PGINTNOSE RING-1f\I GATOR u SEROG ARM 3/32 PLY OR PLASTICRUOOER NO B MOLON RORN DETAIL ILAP1SCREWSI/H GIG PLY FLAP ARM3/803/AOl ROWS F RSW-4——----o- JL FRSLUTOAR MEG 1/801/4ELETRUDDERI/AR 1/4 SF3ROWSRAIL -I/MR I/H I/B PLOACCESS ROLEGU ERG POLL- PULLI/BOG EASIGESOOT FIRM I/AR I/H FOI/BOG 31180 OlD t INSERT-LOOK-REMOVABLE RATER 3/32 SR I/A PLY SRID~J >1/4 SD"2-I/A G 1/43/02 SR RYGMPRTETAGGESSJ____ ____________ rczz co 1~I/4 SD nII ii 44LI SCREWREMOVABLE HATCRr _______________________________________________ II/VHORN TOP BOTTOM 3II-RINUE 1/4 HARD AREA l11 IIL48150 -FLAP LL1 AAIRTRONICU MINI -HI ERVOS SUGUESTED 111111 B GOR I/HOD future issue Model Aviation will use both eight 10 cells accompanying comparative guide motor performance intended used rough frame reference Speed 700 Turbo motors Sailplane-style designs great majestic soaring prefer planes give mobility grace tight maneuvering near ground still maintaining good soaring capability Hobby Lobbys Graduate design has high-aspect-ratio wing 96-in span about 650 sq area Heron published March 1987 Model Aviation 540-sq-in wing area 15 x 12 prop geared 331 landing gear cabin 20-minute plane eight cells Aria decided 590 squares lower aspect ratio 851 produces wingspan 69 inches Eppler recommends minimum aspect ratio 71 Two-Meter models Aria 12 ounces lighter Graduates gross weight 72 ounces despite addition flaps fourth servo flaps ensure easy landings Gas-model runways let pull model out boomers 600 dive speeding up dangerous levels Following Thornburg s recommendation used touch polyhedral dont like poly just have too much right amount makes lovely turn bank traits rudder elevator controls equivalent ailerons case speed controller really September 1992 53 Continued page 56 Wing construction shown its initial stage Note dihedral rib tilt gauge pinned place photo left Cells Prop RPM Amps Run Thrust Oz 810-66700 1010-67500 1010-68400 1210-68700 77-611500 712-55400 128-412000 149-511900 18400 22316 30308 34207 26246 16430 16430 21326 22* 28** 31 46 22 22 27 40 Note This chart prepared manufacturers data intended rough frame reference Direct comparisons difficult because variables model motor battery propeller weight comhinations Aria designed expressly direct-drive Speed 700 Turbo 10 x 6 prop hut may flown other combinations users discretion Key * Used Aria ** Used Aria long-wing version FLIGHT TEST PROCEDURES procedures Bill Winter John Hunton used testing Aria prototype Preflight Ground photos Check record CC RC range check Rudder hand motion rate Elevator hand motion rate Flaps hand Motor hand First Flight Control check Motor start Launch wind Climb moderate altitude Trim out Power off Trim out Land no flaps center trims continue flight check characteristics Pitch stability Yaw stability Roll rate land center trims Second Flight low altitude Best climb angle Best glide angle Flap angles vs pitch Flap angles vs approach Third Flight high altitude Maximum performance duration 54 Model Aviation Above left Coauthorldesigner Bill Winter latest high-performance RC Electric Winters design refinements make model easily controllable limits vision Above right Coverites semitransparent Micaflim highlights aircrafts structure Always good covering choice Micafilm has twin virtues lightness strength Figure 1 Comparative Guide Motor Performance Motor Speed 700 Turbo Speed 700 Turbo BB Astro 05 FAI cobalt Astro 05 FAI cobalt geared Astro 15 cobalt Astro 25 cobalt Hunton center test-flies model Winter right looks critical eye Dick Deans face registers pure amazement Hunton side Dick Dean holds Aria before first flight Performance surpassed everyone s except Wintersexpectations Ye~g EL5fl 7p RGIN pcE WE RVE BEL WINTE/JOIN HUNTON JOINT IT LOOrS LIKE ANOTHER WNER WEL PLY / / \ L~ SHEET N- I-w-yI NHT smIs PRPIE FROM ONE VliO 3U0GE5 N IRCRF1 E ThE SIZE O ITS WI-IEELS VERV LERL SPINNER VEPS LIERPI. INIIEEO BILL WINTER i6 44EET LE N C/ CD V CD CD Co Co ro N NN GUIDE r116 PLY rPLATE L116 WIRE -L BALL JNIC GLASS BOTTOM OF CENTER SECT MEDILINROLA ULOTIALCYB IA PLY WER -r ii RIB T LA BA PLA SHEETRB 4-ROWE 225 -i CDT DO FOR I FLAP ARSEILISE -4 llzf1 BI ALERON LNKI IYIB PLY'TAPERED SHIM UNDER PLO Continued page 53 required Hobby Lobbys RC 25 motor switch has BEC battery eliminator circuit good brake speed up prop folding airfoil own just over 9% thick Leading edge sweep used efficiency John Hunton s note swept wing adds big benefits increased aerodynamic structural stability vertical stabilizer area sufficient longer-span version wing covered light tough Coverite Micaflim airfoil proportionally same root far out polyhedral break point loses its Phillips entry transition provides washout yet builder still enjoys simplicity construction offered flat-bottom ribs Aria responds smoothly obediently light stick pressures generous stabilizer area gives near-overkill stability aids riding step maneuver ability near ground definitely Arias greatest strength pleased easy control model limits vision Theres no need baby airplane taking out calm days weve flown 20- 30-mph winds found penetrates efficiently performance has surpassed everyones expectations except own BEC shuts down 31/2 four 56 Model Aviation two-part battery compartment extremely long hence requires side-to-side bracing forward hatch hinged landing skid rear portion removable Eight-cell battery pack nestles Styrofoam packing sure foam fits loosely allow good ventilation Note cooling air exit hole removable hatch section Peering down fuselage look elevator rudder servos Both use Du-Bro pull-pull cables light weight control accuracy FULL-SIZE PLANS AVAILABLE SEE PAGE 186 W FLAP GUIDE 1116 PLO P1 4 REQ 114 DRILL -R2 ____________ TIID 1..T 2 YR SiRPOLYREDRAL DETAILSI SIR RD NOTE DLL PD R PARTS LID 610 PLY RID TILT GAUGE KKK L RIDS 1116 DALSAIIJ 9 K K K LEADING EDGERID 25 lID GREEDRN ___TDP N DDTTRDA -- - TTOP18RT SKOWDJ II-RAWN DY JDHN HUNTDN IDLE SPARSII RERE1116 DALSA WEDSII 1180 IA SPRUCEII /TOP N IllS PLY WEDS lID 0 114 CAP TOUDLESTRIP TOPRID TILT UA SINGLE SPARSD DOTTOMOPTIONAL REMOVABLE 456P8 TIPSRDWN ATTACR AND ROElID 0 DID1160 DID IllS PLYSEAL WI TAPE lID PY lID DOWEi1116 DALSA II ID BA LSA OPTIONAL TRIMLINE 111641 --IIIARDID vi AP TO ACTUATE ZERO TO 45 DEGREES DOWN SEAL GAP WI TAPE1 yI II II minutes continuous maximum power model flyspeck height optional/interchangeable 99-in-span wing 10 cells breathtaking possibility too much loss power-on time l2-mAh battery pack wont get unlimited soaring after BEC shutdown end flights 15 minutes after powering off Smaller cells BEC could critical servos used repeatedly protracted soaring use indepen dent battery pack 250 mAh standard Aria high 500 mAh long-wing version battery compartment can handle l4s l5s l7s will boost power glide times Folks interested peak climb may opt smaller 800- 900mAh cells save weight September 1992 57 RC Aria Type RC sport Electric Wingspan 69 inches Recommended Motor Graupner Speed 700 Turbo 96-volt Recommended Battery Eight Ni-Cd cells 800 1700 mAh desired Recommended Radio Control Fourchannel rudder elevator flaps motor control mini-receiver 3 mini-servos Recommended Motor Control Graupner 25 motor switch BEC Airtronics MA-16 motor speed control Expected Flying Weight 60 ounces Type Construction Built-up Type Covering/Finish Recommended Micafilm paint finish such Coverite s 21st Century Space Age Paint nose ring Continued page 59 Sermos connectors link motor switch connectors have low loss on/oft switch Graupner 25 BEC Mini-receiver Airtronics four-channel unit Aria Continued page 57 also variable flaps throttle four-channel system used Airtronics Vanguard RC system miniservos 1991 receiver adding Graupner 25 on/off motor controller excellent Airtronics MA- 16 controller recommended variable power desired systems compatible low-cost philosophy Aria design John Hunton goes greater detail about setting up using Graupner 25 switch later article cable control system used elevator rudder because its simple lightweight Cable controls also give pilot excellent feel feedback Aria also has motor downthrust smooth transition between power glide Though its hidden because motor aligned fuselage downthrust created positive angle wing stabilizer respect motor fuselage arrangement also seems help reduce drag glide improve controllability sure maintain angular differences accurately shown plan strongly recommended work out flight test procedures make first flights productive successful possible Refer sidebar method used Hunton decided provide long-wing and/or option 99-in wingspan 840 sq wing area Thats almost 200 additional squares yet gross weight still well under Graduate used polyhedral version too plan wing together comments performance differences will appear future issue Model Aviation Now lets get construction notes by. John Hunton IN ARIA Bill Winter has combined European American practice model requires higher velocities typical floaters Experiment Aria find best velocity highest lift-todrag ratio best sink rate Using Airtronics Vanguard four-channel system Electrics set up prototype way Right stick Side-side rudder Fore-aft elevator Left stick Side-side no function Fore-aft flap Low throttle flaps extended high throttle flaps up Motor onloff throttle trim Launch Keep flaps down throttle safety Turn motor power RC system switches self-launch go half-up elevator trim improve transition climb Go high throttle flaps will almost up high-throttle trim flaps go full-up turn motor Launch wind Dont let model zoom up stall Make smooth transition launch climb Bleed off trim climb established approximately 20 depending wind temperature model climbing cleanly go climb angle Dont force nose-high angle appears slow draggy youd sacrifice some altitude shorten motor run Climb Establish climb wind Trim out model stay off controls much possible control input increases drag turn necessary make wide Work model wind can thermal later youve climbed comfortable altitude shut motor down Keep track motor-on time know much power have left Glide With power off Aria will transition relatively fast wind-penetrating glide best thermaling glide must slowed somewhat excessively simple glide transition just add partial flaps no trim change will necessary model will glide very well configuration best sink ratio glide however go quarter-flaps approximately 150 add up trim slow model down plane appears flying too near its stalling speed reduce up trim down flap establish smooth glide comfortably above stall velocity power up again dont forget go full-up flaps high throttle trim arrangement power wont come partial flaps deployed Fly wind see model rock rise establish 300 bank circle may lift let circle come wind get hooked boomer want come down quickly go full flaps Aria will dive approximately 450 flaps full-down boomer really strong add full down elevator trim Aria will go 600 dive danger overspeed flutter overstress smooth pullout essential Yanking out could pull too Gs approach motor off goal have sufficient power reserve goaround two sure remove up trim model wont slow down too much Once youre position final put full flaps drag youre grossly too high coming over end runway just rack up make 30 turn will drop down 10 20 feet Otherwise just fly model down runway known controlled rate descent full-scale aviation flaps deployed speed wont build up excessively Dont try stall people try flaps end up overshooting glider Electric model landing always fly model onto ground ground contact equals drag grass especially will slow down quickly Stay rudder until model stops Editors note Flight results powerful Speed 700 Turbo ballbearing motor using various numbers cells will appear later issue Plans long-wing specialized Soaring version Ariasame airframe otherwisewill presented along flight evaluation Construction basically typical featuring semi D-tube wing box-beam fuselage Having no ailerons build rig simplifies work considerably Because flaps actuated inside fuselage theyre relatively easy contend long-wing version appear subsequent issue magazine absence ailerons facilitates removal wings tip panels method removing tip panels probably unusual aspect construction since long-span models have structural break center span theory behind system leave structural joint must bear greatest load wings center joint undisturbed will result lighter weight structure joints tip panels attach bear much smaller load lesser weight penalty incurred making joints ones wing taken apart can order balsawood bulk several sources use Lone Star Order selected lightweight wood applications except fuselage longerons empennage sparsfor youll need medium-hard balsaand spruce wing spars After years building CyA cyanoacrylate glue have developed allergy nose runs several hours after using CyA Switching Hot Stuff UFO has solved problem have allergy problems try UFO curing rate seemsmercifullyslightly slower easy use Empennage I like build smaller parts first gives room building larger parts Landing Make conventional powerlikeContinued page 140 September 1992 59 Avanti Conquest Vi Conquest 120 Cursor Desire EU-lA Eclipse Fresh Aire Krier Kraft Jekyll 60 RIC City Wends Finest Fiberglass Products 215 Big Springs Tullahoma TN 37388 615455-0735 FAX 615-455-0677 MASTERCARD/VISA ACCEPTED Jekyll 120 LA-i Phoenix 8 Phoenix 8/45 Punch Skybolt Summit III Sunciowner Typhoon Vortex DESIRE Wing Span 66Weigfht 85-90 Lbs Wing Area 920Engine 120 CONQUEST VI Wing Span 66Weigfhr 80-85 Lbs Wing Area 840Engine 60 SKYBOLT Wing Span T/77 8/66Weigfht 20-25 Lbs Wing Area 1625Engine QUADRA Ken Morris brought years worth models pieces give everyone Numbers drawn kid picked item wanted Several reassembling plastic models flying old rubberband-powered models before parents arrived take home bag goodies containing EAA magazines information maps modeling information flashlights brochure about learning fly wings Delta Airlines given kid before left Judging comments evaluation forms kids good time Thirteen expressed wanted become pilots others wanted longer flights flying popular activity well have again sometime summer participants Curtis Bailey Jennifer Biggs Joshua Brod Andrew Eilan Justin Eilan Scott Farris Chris Frantz Ian Gillis Dominic Kelly Michael Lamb Vernon Mitchell Walter Mitchell Jared Muegge Brandon Pointer Nathan Quintero Shane Randell Mos Richards Robert West Esteban Worrell Stephanie Worrell really appreciate help 22-plus members EAA Chapter 34 helped make AAD possible lHunton & Winter Continued page 59 Build fin medium-hard balsa spar front rudder reinforcement Use lightweight balsa rudder take time cut lightening holes Use mediumhard balsa horizontal stabilizer rear spar elevator front spar Build horizontal stabilizer leave off 1/4 x 318-in leading edge piece Add top sheeting lift stab off plan sand front sheeting ribs flat ensures good joint /4 X 31s-in leading edge member added point Finish parts fine sandpaper mounted flat block large enough span least three ribs Sand elevators rudder straight taper Fuselage Cut nose ring motor mounting parts N 1 through N4 /4-in aircraft plywood Align parts carefully assembly convenient way shaping nose first make temporary jig hold assembled nose ring drill press spin ring shape nose sandpaper Coat motor lipstick before fitting nose cone Slip motor out remove wood its marked lipstick Refit until motor solidly seated Install blind nuts rear ring N4 rear ring will glued fuselage Bolt entire assembly Nl through N4 together motor fitting fuselage final shaping parts Ni through N3 will glued together glue N4 assembly Cut sheet balsa sides dimension pin down add longerons uprights Join sides rear forward sure install square plywood former Install nose ring N4 Rough out install nose blocks Add top bottom sheeting leaving space battery hatch Build battery hatch tack glue place Install wing-screw mount blocks Give fuselage final sanding rounding off edges except wing stabilizer mounts Sand nose blocks final shape ensure accurate location balance point its best position battery pack until model has completed Wing plan shows optional removable wing tip build tip permanently attached apply light glass cloth over sheeted leading edge extra strength Build wing panels straight true can airfoil has designed Bill Winter provide critical washout tips yet still built flat board typical wing panel minus tip section can built follows Pin down lower spar install bottom center leading edge sheeting Install ribs using shims force leading edge sheeting tight against front portion ribs Add trailing edge parts Glue center section joiner parts place panel Wait glue set lift panel off plan Get ready build opposite wing panel aligning previously built new panels plan Prop up end completed panel proper dihedral begin building second panel firmly against first Glue center joiner place continue building second panel has completed same extent first add top spar sheeting Use thick slow-setting CyA adhere sheeting ribs Note sheeting does overlap top spar spar outermost structural member sake greater structural efficiency glue second panel has set firmly lift up plan pin first panel down Add top spar sheeting first panel glue firmly set take wing up sand front leading edge sheeting ribs flat sanding block Pin wing down again add 3/ x 5/s-in leading edge piece method construction similar used foam-core wing Install spar web pieces Add wing tip panels associated joint details Add diagonal braces ribs 25 Sand wing panels fine-grit paper 140 Model Aviation JtKYLL Wing Span 66Weigfht 80-85 Lbs Wing Area 770Engine 60 TYPHOON Wing Span 73Weigfht 85-95 Lbs Wing Area 1000/900 Engine 120 ELDON J LIND CO $325 Finest Building Tools Available w SEND SELFADDRESSED STAMPED ENVELOPE FOR CATALOG #101 EXTRA HANDS Makes covering easy $1775 301E2p JIG 3151 CARAVELLE LAKE HAVASU CITY AZ 86403 602 453-7970 block spans least three ribs Apply fine glass cloth over center section joint top bottom flap actuation detailing tedious necessary achieving linear action ensuring flaps move same rate Hinge flaps bottom Final assembly Mate wing fuselage before mounting empennage Apply strips tape wing joint coat tape lipstick trial fit wing Cut away fuselage lipstick shows Repeat process until lipstick marks fuselage saddle uniformly method used guosmiths letting-in gun barrels stocks After wing seated install empennage using wing reference level stabilizer must lean either side Sight carefully stabilizer does line up dihedral either left right wing should level Add nose tail skid parts after model has covered Covering Clean parts careful vacuuming Check bumps wows used Coverites Micafilm short-wing prototype Micafilm light because has no adhesive used Coverites Balsa Rite structure wanted film adhere materials very easy work give good result although have needed some retightening compensate atmospheric changes long-span wing will covered Coverite s new 21st Century Film space age film applied differently read instructions carefully seems completely stable since hasnt needed retightened under conditions Well report greater detail future article about long-wing Aria Finishing like apply finishes have opportunity aircraft plywood motor mount prototype nose ring simply primed gray automotive primer less match Graupoer propeller Later tried out Coverites 21st Century Space Age Paint spray finishes primer fills wood pores quickly provides good solid base final finish color coat builds well can reapplied quickly finishing system looks like good RC gear installation used Airtronics Vanguard RC system four-channel set packaged Electric use new 1991 narrow-band receiver two miniservos substituted Graupner continued page 144 n scale Radial Engines Molded resin 9 cyl front half #SRI 1/8 scale 575 dia 4oz $20 #SR2 1/6 scale 725 dia 6oz $25 #SR3 1/5 scale 875 dia 12oz $25 #SR4 1/4 scale 1125 dia 23oz $32 may trimmed 20% B Articulating Retracts Bates Ziroli 78-82 Bearcat Strut shortens retracting Air operated Including struts $458 C Airtronics Saitwinch Servo activate bull dog retracts $48 DBull Dog Retracts As used Mel Whitley Top Gun Pushrod activated rugged & dependable 15-35 lb aircraft $175 B E M&M / FTE Military Color Guide 1 x 2 AMA approved color chips 1939-1945 US Navy/Marines British RAF US Air Corps Japanese Army/Navy German Luftwaffe Italian Air Force Russian Air Force $32 F Robart Air Control Kit Inot picturedl $31 Check Money Order Visa Master Card SEEN included ha FRANK TIANO ENTERPRISES 15300 Estancla Lane West Palm Beach FL 33414 TeE 407-795-6600 September 1992 141 Build entire assert UIIO Mb tAbY i t-tAlUI-l #4U1 LIIUULII Easiest hinge tool available V D Aria/HuntOn & Winter Continued page 141 Power Switch 25 on/off motor controller since came motor tested battery eliminator circuit BEC included light weight systems fit low-cost philosophy design An excellent feature available similar combinations allows include both flap motor control throttle stick puts velocity controls same control stick Low throttle control low trim provides motor-off full flaps Full throttle low trim provides motor-off flaps almost full-up Full throttle high trim provides full motor power flaps full-up Adjust controller actuate motor-on high throttle midway trim way can go flaps up operate motor throttle trim use variable flaps throttle stick Refer previous Launch Climb Glide Landing portions article about use functions flight arrangement also provides safety featurethe motor cannot turned unless throttle stick fully advanced lightweight responsive controls use Du-Bro pull-pull cable kit both elevator rudder Motor wiring use recommended Graupner 25 motor on/off switch check included wiring diagram compatibility receiver receiver lead must modified installing compatible connector pin positions changed diagrammed eight-cell operation install 25-amp fuse lead between motor power switch 10 12 cells use 30-amp fuse use Dual Rapid Charger Model Right Accessories available Hobby Lobby recharges fully spent eight-cell pack about 30 minutes Stop charging rate high rate gets down about amp battery begins feel just slightly warm have three battery packs will give air cooling charging will allow continuous flight operations very careful overcharge batteries since can very dangerous can create fire hazard youre using 10- 12-cell motor batteries get dual five- six-cell flight packs Model Flight Accessories charger has variable charge rates will handle also Bill Winter brought 65 years modeling experience latest creation Aria can help make happy crossing world glow power realm silent flight iant side Vries Continued page 65 model Modelers Choice paint has 15-minute tack time can taped second color eight hours can sanded 10 hours completely cured 72 want outstanding paint job Giant Scale model contact Modelers Choice 665 Barbara Place Mandeville LA 70448 telephone 504 624-4804 Roger Taylor president QSAA wrote announce 1992 fly-in schedule dates October 15th through 18th static display 15 October will located Nevada Palace new venue-in Las Vegas Nevada course will awards banquet 17th Rog noted earlier usual time schedule chosen accomrnodate other RC events Vegas area radio cradles radio cradles takes real genius develop simple well utilitarian AJ Products has come up supports RC transmitter both vertical horizontal positions ground youre craniring Giant bird course other devices fulfill same purpose Andy Jeff AJ have included capability plastic-covered bent-steel-wire device makes cradle unique couple integral hooks together transmitter neck strap turn cradle almost weightless two-ounce transmitter tray can have fingertip control having hang onto transmitter box stabilize radio cradles available $995 plus postage handling AJ Products PO Box 54025 Cincinnati OH 45254-0025 Need information Contact Andy Fehienbach 523 271-8429 Rememberflying safely name game RC Slope SoaringlByors Continued page 71 works install wing control surface type First hinge system applles extremely simple principle fitting plastic two holes cast See Figures 2 3 first hole bearing hole second relief hole Between two holes modeler must use razor blade X-Acto knife cut small sllt slit allows hinge open 0625 0425 hinges come two sizes piano wire hinge bearing inserted removed control surface pivots piano wire hinge bearing hinge epoxied small box opening wing clamping effect plastic piano wire holds control surface 144 Model Aviation IT YOURSELF Easy use Save Money Save Time - Aslowas$995 wr te Smithy Dept 51 9 Lathe l 3023 E 2nd Street Dalles OR 97058 1 -8DO-345-6342 Ask Operator 5 1 9 FLY Popular Quiet Convenient Way Send $100 Complete Illusiraled Cataloo MINI-ELECTRIC MOTOR/GEAR Box & PROPULSION SYSTEMS FLIGHT BATTERIES CHARGERS PLANE KITSfor small electric MINI RIG SYSTEMS DU[TED FAN5 REPLACE PIPE PRESSURE WITH P177Th POWER FAN HOUSING MOUNTED PICKUP FOR TANK PRESSURE LESS DRAG EASY HOOKUP 3/4 PSI AIR FLOW FULL SIZE $800 CASH OR HO USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 BOOKS FOR THE MODEL AVIAIUM CHOOSE FROM /DGE LARGE mu LECTION OF CONTROLHOW TO MODEL AND 2-3538 MUCH MUCH AT2LOG $100 E III PO Box 536-Ye Hurricane WV 0 25526 Rubber & Engine Power Free Flight Display Control Line Electric Power RIC Airplanes Ournew illuetreted 32 pege tabloid cize catalog US da $100 Foreigh $300 Penn Valley Hobby Center 837-A W Main St Lanadele PA 19446 215- 3680770