RADIO CONTROL SLOPE SOARING PICTURES MOTIVATE MODELERS build fly buy model aircraft also fun look tell mind Slope Soaring column month will filled pictures space allows hope enjoy pictorial picture biased point view two beautiful ladies holding fun wingeron sloper Oakland Model Academy As may have guessed beauty left daughter Bess right holding Ultra GP friend Michelle Lenseigne Both girls excited about getting pictures taken glider magazine Excitement what motivates young people become preoccupied sport hobbywouldnt agree So guys look outthese young ladies part new generation will competitors some day soon like promoting junior enthusiasts helping help hobby grow will send picture favorite junior slopers maybe can get Model Aviation will fun us assuredly Now about Ultra GP GP built new name glider manufacturing business Mr George Hunter Georges company Oakland Model Academy new model George features faint heart designed individuals wanting push envelope advancedaerobatics slope soarer high-rollrate aircraft capable penetrating wind pushed Ultra GP features hollow-core all-molded wing set fuselage constructed epoxy glass five ounces Kevlar reinforcing tail section constructed balsa sheet arrives 98%-complete model sanded ready fly nice features Ultra GP wing drive mechanism drive mechanism absent normal drive pins Instead driven machined bellcranks lock directly wingpivot tubes Therefore drive pins cannot become worn resulting slop reduced wing incidence return accuracy wing drive mechanism also facilitates large wing-travel volumes As result model can produce superb roll rates pilot enjoyment An area George recognized addressed design Ultra GP durability says GP engineered survive rigors slope flying little model tough Kevlar fuselage layup certainly adds toughness Airfoil month NACA 63010 102 Model Aviation Cope launches T-53B 1280 feet above Yakima Valley Site Kiona Butte approximately 10 miles west Richiand Washington Longtime glider enthusiast Randy Holzapple Spitfire Model Bess Myers Michelle Lenseigne capableofknife-edgeflight Ultra GP atop Candy Mountain overlooking Columbia River Author launches Fred Chinas AKS-13 its maiden flight Eagle Butte Valley floor approximately 500 feet below Steve Sharpe poses new V2 Model will fly 15-60 mph winds JR X-347 radio wings molded such manner leading edges quite tough Specifications Wingspan Length Wing Area Weight RTF Wing Loading Airfoils 553/s inches 33 inches 311 square inches 24 27 ounces 111 to 125 ounces per square foot Mod SD8000/SD7003 George pricing Ultra GP $300 Considering quality level completion GP good price model arrives doorstep needing radio installed requiring balance before its first flight George has colored bottom wings differently top blur rolls pilot will better able tell side No really wings colored better visibility relieve having paint Also color added epoxy saves weight associated painting model GP good flier really does carve graceful turns track smoothly As smaller models though does get buffeted turbulence However model can accelerate need speed arisesand can save wind brisk heavy looking very nice wingpivot slope soarer requires least assembly time great flier Oakland Model Academy can get flying RC slope hurry Gene Cope name Scale enthusiasts already know character own right friend great model maker Gene has also recently completed flown scratch-built Y5scale Slingsby 1-53 B unusual aircraft Gene describes reason chose design Nonetheless T-53 B excellent Scale model Gene has provided statistics T-53 B might interested First wingspan 1-53 1 l3/2 inches wing also has constant chord seven inches utilizes lift generated Quabeck 3Q135 airfoil designation denotes airfoil has 3% camber 135% chord thick Note too total dihedral wing panel 30 sweep forward angle 50 Gene molded carbon-fiber spar system wing sheeted wings obechi wood using epoxy bond skins foam core stabilizer T-53 B 22 inches long has inch chord Also stabilizer full-flying configuration ailerons flaps Fourmost Products Snap Tight Hinges employed 1-53 fuselage home-brewed foam-evacuation type construct fuselage Gene carved foam plug covered fiberglass epoxy after layup cured foam eaten out interior lacquer thinner neat trick building fuselages often overlooked would-be builders Gene tells us used two layers 316-ounces-persquare-yard fiberglass boom tail fin additional layer glass nose area flight analysis 1-53 B Gene says 1-53 flies great CG quite critical because 1-53 somewhat difficult balance due forward sweep wing because first flights spent adjusting balance proper trimmed flight Gene adds Using Quabeck 30 also lets model penetrate yet climb lift fast nose lowered also want share picture myself launching Fred Chinas ASK-13 slope lift Eagle Butte maiden flight ASK-13 Fred relegated duties piloting Pete Marshallwith managing windy launch picture doesnt show model climbing right out hand Continued page 109 January1994 103 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWIN-AIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FLYiNG AND HANDLING AEROBATIC CAPABILI TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES ITS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length 43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions 4 Channel An interesting line fun scale plans being offered Gus Morfis 4709 Green Meadows Avenue Torrance CA 90505-5679 Primarily WW II fighters Y12-scale designed around 15 20 two-stroke glow engines Gus plans will produce models IightweighL originally intended RC combat aircraft show no provision landing modelers build airplanes enjoying lightly loaded flying characteristics everyday sport flying models resemble fullscale subjects Right now can choose Grumman F8F Bearcat P-47D Thunderbolt Messerschmitt Me-109 F/G Focke-Wulf Fw l9OAIFW-l9ODrrA-152C Curtiss P-40B Tomahawk Mitsubishi A6M Zero Lavochkin La-S La-7 Macchi C202 Hawker Typhoon venerable Hawker Hurricane models span 32 inches 411/2 inches plans clearly indicate outlines ribs bulkheads formers needed get job done Contact Gus Morfis specific information regarding plan price availability Some months ago mentioned interest spending some time keyboard correctly puck digitizing tablet learn about ModelCad DesignCad 2-D software programs Well still have found time accumulate enough proficiency discuss programs authority far tremendous amount fun explore addition American Small Business Computers Inc CAD programs have also obtained set three instructional RC SlopelByers Continued page 103 needed somewhat push get its airspeed up however once left hand Pete able easily find lift altitude -scale Vintage soarer Also notice pilot figures added realism Scale flight ASK-13 constructed Fred weighed 17 pounds 17-pound weight resulted wing loading 23 ounces per square foot didnt video tapes Design Cad 2-D ViaGrafix ViaGrafix 31 South Adair Pryor OK 74361 ASBC American Way Pryor OK 74361 greater skill hand promise write about made-for-modeling software Leo Opdykes World War IAeroplanes question finest information sources WW aircraft face planet After previous mention CAD systems received nice note Leo calling attention World War Aero s Issue #138 pages 9 1-97 excellent article computer software program lets develop accurate three-views photographs Leo says system should interest modelers everywhere truly works its its kind Back issues available $4 writing World War Aeroplanes Inc 15 Crescent Road Poughkeepsie NY 12601 Getting issue #138 will pleasant experience sure interested early aeroplanes yet subscribe publication consider doing Numerous issues World War IAero better have missing something would look forward receiving issue Next time Ill match specific threeview color scheme Aeroplane Works Fokker DVII kit Ill explain some modifications will made produce accurate model excellent basic plans Rich Uravitch drew exciting fun-scale project Until build straight fly safely Ill talk again ct models performance did however increase models flying speed its overall penetration Nonetheless ASK-13 was/is super soarer capable both soaring flight slope flying Additionally ASK- 13 sported four-meter span scratch-built using Cliff Charlesworth plans guide wings built-up construction covered Solartech fabric covering painted Fred says wings very conventional construction although strengthened spar system Continued page 112 #101 Extra Hands below Makes covering easy Digger ieff Easiest use hinging tooi avaliabie $335 ELDON J LIND COMPANY 3151 Caravelle Dr Lake Havas City AZ 86406 602 453-7970 Send sell-addressed stamped envelope catalog ol producls M/C & Visa accepted January1994 109 FOR SERIOUS MODEl El flfl wSt euy munIate straight Without access #500A $10885 access #SOOB $191 AO #202 Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 Single cyimech advance system-$6700 Twin cyimech advance system --$9600 features two rww uij y8tSlflb .nuu w uuuuipleat electronic Single cylstep advance system---$8700 package jor mechanical advance systems ft will Twin cylstep advance system---$1 1600 replace other popular systems give great Single cylelectronic adv system-$1 1200 relIability other return step unIt Twin cylelectronic adv systern---$1 4100 two position RPM controlled advance system Switch harness Deans plug $1100 order keep costs line present times Stitt M-80 Plug 1/4-32 --- $1100 wilts will offered less switch harness Shipping ---------- 0 systems feature diode battery protection rag 2nd day air ulated pow supply regulated low battery draw scadentally high RPM reduced RFI emission wimpy units featize fLu power will fire twins needing five cell battery quality inside Afl Custom Qadles Feature Custom molded gray tubing--no ugly fittings Special neoprene loam--impervious fuel Oil Folds easy storage Custom design built last Ready useno building Easily adlusted 3177 East Fot LoweR Road #1 Tucson Arizona 85716 Call today order 1-800-CRADLE-a 272-3530 1-oAt Tall Boy Custom Cradles Tall Boy Large25 tall 26 long 5 5 wide fuselage- $4090 Tall Boy Standard--32 tall 22 long 3to 5 wide luselage- $3890 Tall Boy X-Large26 tall 28 long a-to i 2 wide fuselage $4290 best IlevJ EVEE T&lVS&a La Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage---- $2490 Lo Boy Large14 tall 26 long 5toB wide luselage $2890 Lo Boy X-Large--16 tall 28 long 5to 12widelusslage- $3t90 HANDS ON PRO-BOW THIS UNIQUE DEVICE ALLOWS YOU TO CUT ACCU RATE WING CORES WITHOUT EXPENSIVE AND COMPLICATED EOUIPMENT WITH THE PRO-BOW THE CUTTING WIRE IS GUIDED DIRECTLY AT THE TEMPLATES BY HAND HELD INSULATOR CLIPS THE HEAVY-DUTY CONSTRUCTION GIVES GOOD FEEL TO THE BOW AND WITH THE ADJUSTABLE HEAT PROBE THE WIRE TEMPERATURE CAN BE CONTROLLED FOR PERFECT CUTTING RESULTS sale $4295 WORKS DIRECTLY OFF OF 12 VOLT BATTERY OR 10 AMP BATTERY CHARGER S COMPLETELY ASSEMBLED STRAIGHT OR TAPERED CORES IAL PASSIVE RESISTANCE CUTTING WIRE LATED STEEL FRAME CUTTING TECHNIDUES ATING INSTRUCTIONS INCLUDED UP TO 41 SEND $500 FOR 60 PAGE CATALOG VISA & MASTERCARD ACCEP TEDADD $500 SHIPPING IN USAIL RESIDENTS ADD 7% TAX WING MFG 306 E SIMMONS GALESBURG IL 61401 CALL 309-342 -3009 RC Slope/Byors Continued page 109 accommodate extra weight Interestingly design according Cliff slated come eight pounds much lighter wing loading Fred made some modifications model better suited slope environment retaining good thermaling capability thus 17 pounds fuselage ASK-13 also built-up construction formers stringers sheeted t/ts balsa After balsa sheeting applied Fred requisitioned help Pete Marshall cover fuselage -ounce-per-squareyard fiberglass fabric Fred detailed epoxy paint also finished cockpit two -scale pilots instrument panels controls ASK-13 nicely built model us would proud have constructed controls ASK ailerons elevator rudder spoilers familiar Power Slope Scale PSS models simply slope gliders built replicas powered aircraft form slope soaring said have originated England Im sure British really have leg up us thing sure first form association recognize format association Power Slope Scale Association PSSA founded Alan Hulme Needless say movement has grown now RC modelers converting powered models building PSS models attack slopes everywhere interested finding out what happening way PSS might want join PSSA PSSAs newsletter 112 Model Aviation NEW FOX 25BB SCHNEURLE Mark X Carburetor Muffler Included Cylinder can face right left rear R/C C/L Versions U FOX FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501-646-1656 501-646-1757 MADE IN AMERICA FOX NEW ULTRA E-Z CARBURETOR Single needle adjustment Air bleed idle Excellent transition Fits Fox C frame 45 thru 74 Smaller sizes available later SMART CHAMPIONS FLYFOXnow produced Michael Kitchen has informative little newsletter will receive member newsletter mostly covers what happening Europe however also excellent source information P55 enthusiasts interested write Michael Kitchen Tall Timbers Sutton-on-the-Forest York Y06-1DY England Randy Hoizapple another PSS enthusiast pictured holding Vickers Supermarine Spitfire model also power conversion PSS utilized ailerons elevator rudder control capable aerobatics Randy gave demonstration Spitfires aerobatic capability performing some knife-edge flight following dive speed could also four-point rolls Spitfire wasnt terribly fast appeared quite enjoyable fly because wasnt twitchy did what told command Randy interested either models send SASE will provide Drews Randys addresses both avid enthusiasts would likely share information have last model pictorial model owned good friend Steve Sharpe Steves model design generated quite some time ago called Velocity Squared original model span 48 inches However ate lots slope lift over years grew bigger version Steve now flying Steves V2 constructed entirely fiberglass Kevlar has molded fuselage fin wings stabilizer foam core vacuum-bagged fiberglass Additionally wings stabilizer reinforced unidirectional carbon fiber Continued poge 121 SAVE YOUR FIELD SNUF-LER muffler isa low cost easy install lightweight sound reducing ler no performance penalty answer AMA muffler rule suggestions saving flying fIelds Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possIble 300-500 RPM Increase Improves engine idle s better fuel economy Easily attached 25-108 stock mufflers Neal corrosion resistant Slack E coat finish No special adapters required Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipmesf Check MO Visa MC CODSEND 2SF STAMP accepted Add 52SOfor UPS $2OOfor COD 6%edestaoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG All-new version FOILED AGAIN! now available plot IRF~IL S printer. O BLEND different airfoils wing root tip Cl BROWSE through dozens airfoils ON SCREENI* O Import WEW airfoils other airfoil plot programs Cl Enjoy point-and-click file selection loading O Plot loft-hand right-hand airfoils bothi Cl Graphically modify airfoil shapes ON SCREENI* O Enter own data quickly easily or. O Select hundreds airfoils available diski .wlthfrequires VGA raplics adapter FOILED AGAIN! Version 20 $5995 MA lUNG INCLUDED CA RESIDENTS ADD TAX PLEASE SPECIFY PREFERRED DISK SIZE MAKE CHECK OR MONEY ORDER PAYABLE TO 619 7924021 CYGNET Software 3525 Del Mar Heights Road Box 237B San Diego CA 92130 January1994 113 FOX QUIET MUFFLERS Fit Fox B & C frame 40 45 50 Steady 89 db noise level Available soon Fox 60 74 SN U F-FLERTM MUFFLER patented $2495 CAT NO BOO model aviation magazines published since 1931 has indexed very small fee Dick will locate model will photocopy article can enlarge magazine plans original articles has extensive library full-size model plans can copy including American Aircraft Modeler Air Trails Hobby Helpers Catalogs include Published Nonscale Model Plans includes categories $5 postpaid US Canada Scale catalog $275 US Canada Gold Book Model Plans Golden Age Aeromodeling further breaks catalogs down categories nonscale free flight nonscale gliders control line etc Anyway next time want know get copy some old article write him sold magazine collection make room build some models lopelByors Continued page 113 Interior wing two ballast tubes aluminum also act strengthening spars ballast tubes also allow model carry internal wing over CG six pounds lead shot extra windy conditions hinge ailerons elevator V2 employed Fourmost Snap Tight Hinges Buried wings two JR-341 servos aileron control Steve using JR X-347 transmitter talking JR 627 receiver control V2 has wingspan 90 inches 55-inches long wings also have total area 580 square inches carry aspect ratio 131 provide pitch stability stabilizer has area 95 square inches hung fairly long moment armas can see picture An Eppler 374 airfoil used generate lift wing horizontal stabilizer uses NACA 63010 airfoil counter mildly negative CMO 374 Velocity Squared designed varied wind conditions ability add weight allows penetrate URY JET MODELS INC 8 Martha Ct8305 Regency Woods Way Sumter SC 29150Louisville KY 40220 803 775-6491502491-4114 RETRACT SELECTOR SPEED CONTROL VALVE Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 xls 1-1/4$2495 Wt 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Exhaust System eac F-i 00 F-100 Hun basic kit $18999 - 1/8 Scale 50 Removable Wings th 63 Sport Hawk MK II basic kit $18988 - Easy build Removable wing Length 59 F-los Thunderchief basic kit $23900 - Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW - 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 vable 61 Wings LE/TE flaps - DelUxe kit DC wood I/B pylons CF kit plus Landing gear tires brakes available COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREEComplete Air System Stainless Torque LinksAsle Installed Different strut configurations Parts Service 1 Year Limited Warranty 30 Day Ftefundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-SO lb aircraft 2 sets 1 Standard 900 minutes 7Q0 1100 retract angle Over-center lock down Nose gear available $27500 pair Wt 15 lbs SCALE MAIN RETRACTS STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C li Bud Nosen pius Choice 91 Plyon Winners les 20-25 lb aircraft 840970 retract angle Optional wire struts Positive lock up lock down Nose gear available $19900 pair Wt 22oz NEW 1/5 SCALE P51 & SPITFIRE products proudly MADE IN THE USA Our Smoker Preheaters Are Twice As Effective As Head Coils MAKES 4~O5f7 GREAT HOLIDA Y GIFT AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 57 BAXLEY GA 31513 Fax912367-3577 January1994 121 Money Back Guaranteed mA AVAILABLL & 4-Cycle 50 & up B & M MODEL Co w0 Visa Mastercard & American Express ccepted REHYS QUALITY MODEL PRODUCTS GIANT SCALE SPECIALISTS Zenoah Quadra Sales Parts Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Kinner -Tmylorcraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 DELUXE Err INCITJDES PHEASSEMBLEI FUSELAGE SIDE FRAMES FORMERS ENG MNT ASSY WELDED LG TAIL WHEEL ASSY CUT/SHAPED RIDS SPARS PLY BRACES LEADING & TRAILING EDGES LAMINATED WINO TIPS FIN STAB DETAILED BUILDING INSTRUCTIONS ADD $695 SHIPPING/HANDLING UT 1565 ADD 625% TAX FLYROD $69 & H Span51 Area 790 sqin 32-40 Radio 4 ch ht 2 2 1/2 lbs. Ultimate Fun-Fly Machine udes covering & Hardware pkg. throttle flights NO flutterl s Bests qm Ordera Call 1-800-645-KITS information Call eaa-445-1 122 P0 Eon 771 GENERIX East windsor NJ eese Tomorrows Kits Affordable Priceal Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses visaBJrn/c ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 winds 60 mph unloaded model can fly face slopes 15 mph wind capable aerobatics maybe precision aerobatics justgood-fun sport aerobatics Airfoil Month months airfoil used V2 elevator excellent choice stabilizer vertical-fin section section thick enough allow build strong high-wind conditions thin enough penalize overall performance model NACA 63010 also quiet section wont produce ultra-sensitive response control inputs resulting twitchy-feeling airplane Rather 63010 will give good control response provides model designed properly smooth flowing feeling pilot Try think youll like months column good Let know Im doing Theres always room improvement Good flying YOU DONT CONNECTS IN SECONDS CHECKS ALL RADI COMPONENTS BEFORE ITs TOO LATE FASTER AND BETTER SERVO INSTALLATION- LONGER RUNNING TIME MORE RADIO & MODEL LIFE MAXIMUM PERFORMANCE & MAXIMUM SAFErY FOR YOUR VALUABLE MODEL- SAVE $1000s Novice Pro-Any RIC Model aider ar tar mare inta merda SA5 _______ _____ PO Box 220762 Santa CIata CA 9 1322 122 Model Aviation WAYNE R/C Model Hobby Over 50000 Sq Ft space available BOAT POND @ CARPET TRACK @ TRUCK PULLS 1st Place Plaques Static Displays Information Call Bob Parker Garry Geiselman 219-483-6144 219-482-3448 h Ihe colortul ee bee L tirst ot th barrel-shaped racers constructed Granville Brothers Springfield Massachusetts During 1931 won five races including prestigious Thompson Trophy Cleveland Ohio National Air Races Z also direct forerunner famous Gee Bee R-1 R-2 FEATURES TWO TYPES OF COWLINGS TYPES OF WHEELS HARD AND FLEXIBLE TIRES AILED INTERIOR SEND SASE FOR FREE ILLUSTRATED ORDER FORMDEPT MA ______________ 181 PAWNEE ST SAN MARCOS CALIFORNIA 92069 BACKYARD MICROFLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY _wwllIY3YII Albalens DlF4F Wildcat ME-lid Fobbee DVIIF6F Helical ME262 Fok TeiplasseFW-190A Mit zeco SE SAHaw Hareicatte P-470 Thunderbolt Sopseith CamelHeinkel He-Ill P51B Mustang SPADJunkers 10-855 Spilijee Balsa Print Wood 6-8 Wing Spans Price 5285 S&H $250 Any Oly check ne Money Oeder OnlyFantasy Flyers Na CODsPO Ben 430 NYheesidentsadd slestasFarnsingville NY 11735-0430
Edition: Model Aviation - 1994/01
Page Numbers: 102, 103, 109, 112, 113, 121, 122
RADIO CONTROL SLOPE SOARING PICTURES MOTIVATE MODELERS build fly buy model aircraft also fun look tell mind Slope Soaring column month will filled pictures space allows hope enjoy pictorial picture biased point view two beautiful ladies holding fun wingeron sloper Oakland Model Academy As may have guessed beauty left daughter Bess right holding Ultra GP friend Michelle Lenseigne Both girls excited about getting pictures taken glider magazine Excitement what motivates young people become preoccupied sport hobbywouldnt agree So guys look outthese young ladies part new generation will competitors some day soon like promoting junior enthusiasts helping help hobby grow will send picture favorite junior slopers maybe can get Model Aviation will fun us assuredly Now about Ultra GP GP built new name glider manufacturing business Mr George Hunter Georges company Oakland Model Academy new model George features faint heart designed individuals wanting push envelope advancedaerobatics slope soarer high-rollrate aircraft capable penetrating wind pushed Ultra GP features hollow-core all-molded wing set fuselage constructed epoxy glass five ounces Kevlar reinforcing tail section constructed balsa sheet arrives 98%-complete model sanded ready fly nice features Ultra GP wing drive mechanism drive mechanism absent normal drive pins Instead driven machined bellcranks lock directly wingpivot tubes Therefore drive pins cannot become worn resulting slop reduced wing incidence return accuracy wing drive mechanism also facilitates large wing-travel volumes As result model can produce superb roll rates pilot enjoyment An area George recognized addressed design Ultra GP durability says GP engineered survive rigors slope flying little model tough Kevlar fuselage layup certainly adds toughness Airfoil month NACA 63010 102 Model Aviation Cope launches T-53B 1280 feet above Yakima Valley Site Kiona Butte approximately 10 miles west Richiand Washington Longtime glider enthusiast Randy Holzapple Spitfire Model Bess Myers Michelle Lenseigne capableofknife-edgeflight Ultra GP atop Candy Mountain overlooking Columbia River Author launches Fred Chinas AKS-13 its maiden flight Eagle Butte Valley floor approximately 500 feet below Steve Sharpe poses new V2 Model will fly 15-60 mph winds JR X-347 radio wings molded such manner leading edges quite tough Specifications Wingspan Length Wing Area Weight RTF Wing Loading Airfoils 553/s inches 33 inches 311 square inches 24 27 ounces 111 to 125 ounces per square foot Mod SD8000/SD7003 George pricing Ultra GP $300 Considering quality level completion GP good price model arrives doorstep needing radio installed requiring balance before its first flight George has colored bottom wings differently top blur rolls pilot will better able tell side No really wings colored better visibility relieve having paint Also color added epoxy saves weight associated painting model GP good flier really does carve graceful turns track smoothly As smaller models though does get buffeted turbulence However model can accelerate need speed arisesand can save wind brisk heavy looking very nice wingpivot slope soarer requires least assembly time great flier Oakland Model Academy can get flying RC slope hurry Gene Cope name Scale enthusiasts already know character own right friend great model maker Gene has also recently completed flown scratch-built Y5scale Slingsby 1-53 B unusual aircraft Gene describes reason chose design Nonetheless T-53 B excellent Scale model Gene has provided statistics T-53 B might interested First wingspan 1-53 1 l3/2 inches wing also has constant chord seven inches utilizes lift generated Quabeck 3Q135 airfoil designation denotes airfoil has 3% camber 135% chord thick Note too total dihedral wing panel 30 sweep forward angle 50 Gene molded carbon-fiber spar system wing sheeted wings obechi wood using epoxy bond skins foam core stabilizer T-53 B 22 inches long has inch chord Also stabilizer full-flying configuration ailerons flaps Fourmost Products Snap Tight Hinges employed 1-53 fuselage home-brewed foam-evacuation type construct fuselage Gene carved foam plug covered fiberglass epoxy after layup cured foam eaten out interior lacquer thinner neat trick building fuselages often overlooked would-be builders Gene tells us used two layers 316-ounces-persquare-yard fiberglass boom tail fin additional layer glass nose area flight analysis 1-53 B Gene says 1-53 flies great CG quite critical because 1-53 somewhat difficult balance due forward sweep wing because first flights spent adjusting balance proper trimmed flight Gene adds Using Quabeck 30 also lets model penetrate yet climb lift fast nose lowered also want share picture myself launching Fred Chinas ASK-13 slope lift Eagle Butte maiden flight ASK-13 Fred relegated duties piloting Pete Marshallwith managing windy launch picture doesnt show model climbing right out hand Continued page 109 January1994 103 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWIN-AIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FLYiNG AND HANDLING AEROBATIC CAPABILI TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES ITS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length 43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions 4 Channel An interesting line fun scale plans being offered Gus Morfis 4709 Green Meadows Avenue Torrance CA 90505-5679 Primarily WW II fighters Y12-scale designed around 15 20 two-stroke glow engines Gus plans will produce models IightweighL originally intended RC combat aircraft show no provision landing modelers build airplanes enjoying lightly loaded flying characteristics everyday sport flying models resemble fullscale subjects Right now can choose Grumman F8F Bearcat P-47D Thunderbolt Messerschmitt Me-109 F/G Focke-Wulf Fw l9OAIFW-l9ODrrA-152C Curtiss P-40B Tomahawk Mitsubishi A6M Zero Lavochkin La-S La-7 Macchi C202 Hawker Typhoon venerable Hawker Hurricane models span 32 inches 411/2 inches plans clearly indicate outlines ribs bulkheads formers needed get job done Contact Gus Morfis specific information regarding plan price availability Some months ago mentioned interest spending some time keyboard correctly puck digitizing tablet learn about ModelCad DesignCad 2-D software programs Well still have found time accumulate enough proficiency discuss programs authority far tremendous amount fun explore addition American Small Business Computers Inc CAD programs have also obtained set three instructional RC SlopelByers Continued page 103 needed somewhat push get its airspeed up however once left hand Pete able easily find lift altitude -scale Vintage soarer Also notice pilot figures added realism Scale flight ASK-13 constructed Fred weighed 17 pounds 17-pound weight resulted wing loading 23 ounces per square foot didnt video tapes Design Cad 2-D ViaGrafix ViaGrafix 31 South Adair Pryor OK 74361 ASBC American Way Pryor OK 74361 greater skill hand promise write about made-for-modeling software Leo Opdykes World War IAeroplanes question finest information sources WW aircraft face planet After previous mention CAD systems received nice note Leo calling attention World War Aero s Issue #138 pages 9 1-97 excellent article computer software program lets develop accurate three-views photographs Leo says system should interest modelers everywhere truly works its its kind Back issues available $4 writing World War Aeroplanes Inc 15 Crescent Road Poughkeepsie NY 12601 Getting issue #138 will pleasant experience sure interested early aeroplanes yet subscribe publication consider doing Numerous issues World War IAero better have missing something would look forward receiving issue Next time Ill match specific threeview color scheme Aeroplane Works Fokker DVII kit Ill explain some modifications will made produce accurate model excellent basic plans Rich Uravitch drew exciting fun-scale project Until build straight fly safely Ill talk again ct models performance did however increase models flying speed its overall penetration Nonetheless ASK-13 was/is super soarer capable both soaring flight slope flying Additionally ASK- 13 sported four-meter span scratch-built using Cliff Charlesworth plans guide wings built-up construction covered Solartech fabric covering painted Fred says wings very conventional construction although strengthened spar system Continued page 112 #101 Extra Hands below Makes covering easy Digger ieff Easiest use hinging tooi avaliabie $335 ELDON J LIND COMPANY 3151 Caravelle Dr Lake Havas City AZ 86406 602 453-7970 Send sell-addressed stamped envelope catalog ol producls M/C & Visa accepted January1994 109 FOR SERIOUS MODEl El flfl wSt euy munIate straight Without access #500A $10885 access #SOOB $191 AO #202 Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 Single cyimech advance system-$6700 Twin cyimech advance system --$9600 features two rww uij y8tSlflb .nuu w uuuuipleat electronic Single cylstep advance system---$8700 package jor mechanical advance systems ft will Twin cylstep advance system---$1 1600 replace other popular systems give great Single cylelectronic adv system-$1 1200 relIability other return step unIt Twin cylelectronic adv systern---$1 4100 two position RPM controlled advance system Switch harness Deans plug $1100 order keep costs line present times Stitt M-80 Plug 1/4-32 --- $1100 wilts will offered less switch harness Shipping ---------- 0 systems feature diode battery protection rag 2nd day air ulated pow supply regulated low battery draw scadentally high RPM reduced RFI emission wimpy units featize fLu power will fire twins needing five cell battery quality inside Afl Custom Qadles Feature Custom molded gray tubing--no ugly fittings Special neoprene loam--impervious fuel Oil Folds easy storage Custom design built last Ready useno building Easily adlusted 3177 East Fot LoweR Road #1 Tucson Arizona 85716 Call today order 1-800-CRADLE-a 272-3530 1-oAt Tall Boy Custom Cradles Tall Boy Large25 tall 26 long 5 5 wide fuselage- $4090 Tall Boy Standard--32 tall 22 long 3to 5 wide luselage- $3890 Tall Boy X-Large26 tall 28 long a-to i 2 wide fuselage $4290 best IlevJ EVEE T&lVS&a La Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage---- $2490 Lo Boy Large14 tall 26 long 5toB wide luselage $2890 Lo Boy X-Large--16 tall 28 long 5to 12widelusslage- $3t90 HANDS ON PRO-BOW THIS UNIQUE DEVICE ALLOWS YOU TO CUT ACCU RATE WING CORES WITHOUT EXPENSIVE AND COMPLICATED EOUIPMENT WITH THE PRO-BOW THE CUTTING WIRE IS GUIDED DIRECTLY AT THE TEMPLATES BY HAND HELD INSULATOR CLIPS THE HEAVY-DUTY CONSTRUCTION GIVES GOOD FEEL TO THE BOW AND WITH THE ADJUSTABLE HEAT PROBE THE WIRE TEMPERATURE CAN BE CONTROLLED FOR PERFECT CUTTING RESULTS sale $4295 WORKS DIRECTLY OFF OF 12 VOLT BATTERY OR 10 AMP BATTERY CHARGER S COMPLETELY ASSEMBLED STRAIGHT OR TAPERED CORES IAL PASSIVE RESISTANCE CUTTING WIRE LATED STEEL FRAME CUTTING TECHNIDUES ATING INSTRUCTIONS INCLUDED UP TO 41 SEND $500 FOR 60 PAGE CATALOG VISA & MASTERCARD ACCEP TEDADD $500 SHIPPING IN USAIL RESIDENTS ADD 7% TAX WING MFG 306 E SIMMONS GALESBURG IL 61401 CALL 309-342 -3009 RC Slope/Byors Continued page 109 accommodate extra weight Interestingly design according Cliff slated come eight pounds much lighter wing loading Fred made some modifications model better suited slope environment retaining good thermaling capability thus 17 pounds fuselage ASK-13 also built-up construction formers stringers sheeted t/ts balsa After balsa sheeting applied Fred requisitioned help Pete Marshall cover fuselage -ounce-per-squareyard fiberglass fabric Fred detailed epoxy paint also finished cockpit two -scale pilots instrument panels controls ASK-13 nicely built model us would proud have constructed controls ASK ailerons elevator rudder spoilers familiar Power Slope Scale PSS models simply slope gliders built replicas powered aircraft form slope soaring said have originated England Im sure British really have leg up us thing sure first form association recognize format association Power Slope Scale Association PSSA founded Alan Hulme Needless say movement has grown now RC modelers converting powered models building PSS models attack slopes everywhere interested finding out what happening way PSS might want join PSSA PSSAs newsletter 112 Model Aviation NEW FOX 25BB SCHNEURLE Mark X Carburetor Muffler Included Cylinder can face right left rear R/C C/L Versions U FOX FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501-646-1656 501-646-1757 MADE IN AMERICA FOX NEW ULTRA E-Z CARBURETOR Single needle adjustment Air bleed idle Excellent transition Fits Fox C frame 45 thru 74 Smaller sizes available later SMART CHAMPIONS FLYFOXnow produced Michael Kitchen has informative little newsletter will receive member newsletter mostly covers what happening Europe however also excellent source information P55 enthusiasts interested write Michael Kitchen Tall Timbers Sutton-on-the-Forest York Y06-1DY England Randy Hoizapple another PSS enthusiast pictured holding Vickers Supermarine Spitfire model also power conversion PSS utilized ailerons elevator rudder control capable aerobatics Randy gave demonstration Spitfires aerobatic capability performing some knife-edge flight following dive speed could also four-point rolls Spitfire wasnt terribly fast appeared quite enjoyable fly because wasnt twitchy did what told command Randy interested either models send SASE will provide Drews Randys addresses both avid enthusiasts would likely share information have last model pictorial model owned good friend Steve Sharpe Steves model design generated quite some time ago called Velocity Squared original model span 48 inches However ate lots slope lift over years grew bigger version Steve now flying Steves V2 constructed entirely fiberglass Kevlar has molded fuselage fin wings stabilizer foam core vacuum-bagged fiberglass Additionally wings stabilizer reinforced unidirectional carbon fiber Continued poge 121 SAVE YOUR FIELD SNUF-LER muffler isa low cost easy install lightweight sound reducing ler no performance penalty answer AMA muffler rule suggestions saving flying fIelds Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possIble 300-500 RPM Increase Improves engine idle s better fuel economy Easily attached 25-108 stock mufflers Neal corrosion resistant Slack E coat finish No special adapters required Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipmesf Check MO Visa MC CODSEND 2SF STAMP accepted Add 52SOfor UPS $2OOfor COD 6%edestaoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG All-new version FOILED AGAIN! now available plot IRF~IL S printer. O BLEND different airfoils wing root tip Cl BROWSE through dozens airfoils ON SCREENI* O Import WEW airfoils other airfoil plot programs Cl Enjoy point-and-click file selection loading O Plot loft-hand right-hand airfoils bothi Cl Graphically modify airfoil shapes ON SCREENI* O Enter own data quickly easily or. O Select hundreds airfoils available diski .wlthfrequires VGA raplics adapter FOILED AGAIN! Version 20 $5995 MA lUNG INCLUDED CA RESIDENTS ADD TAX PLEASE SPECIFY PREFERRED DISK SIZE MAKE CHECK OR MONEY ORDER PAYABLE TO 619 7924021 CYGNET Software 3525 Del Mar Heights Road Box 237B San Diego CA 92130 January1994 113 FOX QUIET MUFFLERS Fit Fox B & C frame 40 45 50 Steady 89 db noise level Available soon Fox 60 74 SN U F-FLERTM MUFFLER patented $2495 CAT NO BOO model aviation magazines published since 1931 has indexed very small fee Dick will locate model will photocopy article can enlarge magazine plans original articles has extensive library full-size model plans can copy including American Aircraft Modeler Air Trails Hobby Helpers Catalogs include Published Nonscale Model Plans includes categories $5 postpaid US Canada Scale catalog $275 US Canada Gold Book Model Plans Golden Age Aeromodeling further breaks catalogs down categories nonscale free flight nonscale gliders control line etc Anyway next time want know get copy some old article write him sold magazine collection make room build some models lopelByors Continued page 113 Interior wing two ballast tubes aluminum also act strengthening spars ballast tubes also allow model carry internal wing over CG six pounds lead shot extra windy conditions hinge ailerons elevator V2 employed Fourmost Snap Tight Hinges Buried wings two JR-341 servos aileron control Steve using JR X-347 transmitter talking JR 627 receiver control V2 has wingspan 90 inches 55-inches long wings also have total area 580 square inches carry aspect ratio 131 provide pitch stability stabilizer has area 95 square inches hung fairly long moment armas can see picture An Eppler 374 airfoil used generate lift wing horizontal stabilizer uses NACA 63010 airfoil counter mildly negative CMO 374 Velocity Squared designed varied wind conditions ability add weight allows penetrate URY JET MODELS INC 8 Martha Ct8305 Regency Woods Way Sumter SC 29150Louisville KY 40220 803 775-6491502491-4114 RETRACT SELECTOR SPEED CONTROL VALVE Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 xls 1-1/4$2495 Wt 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Exhaust System eac F-i 00 F-100 Hun basic kit $18999 - 1/8 Scale 50 Removable Wings th 63 Sport Hawk MK II basic kit $18988 - Easy build Removable wing Length 59 F-los Thunderchief basic kit $23900 - Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW - 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 vable 61 Wings LE/TE flaps - DelUxe kit DC wood I/B pylons CF kit plus Landing gear tires brakes available COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREEComplete Air System Stainless Torque LinksAsle Installed Different strut configurations Parts Service 1 Year Limited Warranty 30 Day Ftefundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-SO lb aircraft 2 sets 1 Standard 900 minutes 7Q0 1100 retract angle Over-center lock down Nose gear available $27500 pair Wt 15 lbs SCALE MAIN RETRACTS STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C li Bud Nosen pius Choice 91 Plyon Winners les 20-25 lb aircraft 840970 retract angle Optional wire struts Positive lock up lock down Nose gear available $19900 pair Wt 22oz NEW 1/5 SCALE P51 & SPITFIRE products proudly MADE IN THE USA Our Smoker Preheaters Are Twice As Effective As Head Coils MAKES 4~O5f7 GREAT HOLIDA Y GIFT AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 57 BAXLEY GA 31513 Fax912367-3577 January1994 121 Money Back Guaranteed mA AVAILABLL & 4-Cycle 50 & up B & M MODEL Co w0 Visa Mastercard & American Express ccepted REHYS QUALITY MODEL PRODUCTS GIANT SCALE SPECIALISTS Zenoah Quadra Sales Parts Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Kinner -Tmylorcraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 DELUXE Err INCITJDES PHEASSEMBLEI FUSELAGE SIDE FRAMES FORMERS ENG MNT ASSY WELDED LG TAIL WHEEL ASSY CUT/SHAPED RIDS SPARS PLY BRACES LEADING & TRAILING EDGES LAMINATED WINO TIPS FIN STAB DETAILED BUILDING INSTRUCTIONS ADD $695 SHIPPING/HANDLING UT 1565 ADD 625% TAX FLYROD $69 & H Span51 Area 790 sqin 32-40 Radio 4 ch ht 2 2 1/2 lbs. Ultimate Fun-Fly Machine udes covering & Hardware pkg. throttle flights NO flutterl s Bests qm Ordera Call 1-800-645-KITS information Call eaa-445-1 122 P0 Eon 771 GENERIX East windsor NJ eese Tomorrows Kits Affordable Priceal Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses visaBJrn/c ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 winds 60 mph unloaded model can fly face slopes 15 mph wind capable aerobatics maybe precision aerobatics justgood-fun sport aerobatics Airfoil Month months airfoil used V2 elevator excellent choice stabilizer vertical-fin section section thick enough allow build strong high-wind conditions thin enough penalize overall performance model NACA 63010 also quiet section wont produce ultra-sensitive response control inputs resulting twitchy-feeling airplane Rather 63010 will give good control response provides model designed properly smooth flowing feeling pilot Try think youll like months column good Let know Im doing Theres always room improvement Good flying YOU DONT CONNECTS IN SECONDS CHECKS ALL RADI COMPONENTS BEFORE ITs TOO LATE FASTER AND BETTER SERVO INSTALLATION- LONGER RUNNING TIME MORE RADIO & MODEL LIFE MAXIMUM PERFORMANCE & MAXIMUM SAFErY FOR YOUR VALUABLE MODEL- SAVE $1000s Novice Pro-Any RIC Model aider ar tar mare inta merda SA5 _______ _____ PO Box 220762 Santa CIata CA 9 1322 122 Model Aviation WAYNE R/C Model Hobby Over 50000 Sq Ft space available BOAT POND @ CARPET TRACK @ TRUCK PULLS 1st Place Plaques Static Displays Information Call Bob Parker Garry Geiselman 219-483-6144 219-482-3448 h Ihe colortul ee bee L tirst ot th barrel-shaped racers constructed Granville Brothers Springfield Massachusetts During 1931 won five races including prestigious Thompson Trophy Cleveland Ohio National Air Races Z also direct forerunner famous Gee Bee R-1 R-2 FEATURES TWO TYPES OF COWLINGS TYPES OF WHEELS HARD AND FLEXIBLE TIRES AILED INTERIOR SEND SASE FOR FREE ILLUSTRATED ORDER FORMDEPT MA ______________ 181 PAWNEE ST SAN MARCOS CALIFORNIA 92069 BACKYARD MICROFLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY _wwllIY3YII Albalens DlF4F Wildcat ME-lid Fobbee DVIIF6F Helical ME262 Fok TeiplasseFW-190A Mit zeco SE SAHaw Hareicatte P-470 Thunderbolt Sopseith CamelHeinkel He-Ill P51B Mustang SPADJunkers 10-855 Spilijee Balsa Print Wood 6-8 Wing Spans Price 5285 S&H $250 Any Oly check ne Money Oeder OnlyFantasy Flyers Na CODsPO Ben 430 NYheesidentsadd slestasFarnsingville NY 11735-0430
Edition: Model Aviation - 1994/01
Page Numbers: 102, 103, 109, 112, 113, 121, 122
RADIO CONTROL SLOPE SOARING PICTURES MOTIVATE MODELERS build fly buy model aircraft also fun look tell mind Slope Soaring column month will filled pictures space allows hope enjoy pictorial picture biased point view two beautiful ladies holding fun wingeron sloper Oakland Model Academy As may have guessed beauty left daughter Bess right holding Ultra GP friend Michelle Lenseigne Both girls excited about getting pictures taken glider magazine Excitement what motivates young people become preoccupied sport hobbywouldnt agree So guys look outthese young ladies part new generation will competitors some day soon like promoting junior enthusiasts helping help hobby grow will send picture favorite junior slopers maybe can get Model Aviation will fun us assuredly Now about Ultra GP GP built new name glider manufacturing business Mr George Hunter Georges company Oakland Model Academy new model George features faint heart designed individuals wanting push envelope advancedaerobatics slope soarer high-rollrate aircraft capable penetrating wind pushed Ultra GP features hollow-core all-molded wing set fuselage constructed epoxy glass five ounces Kevlar reinforcing tail section constructed balsa sheet arrives 98%-complete model sanded ready fly nice features Ultra GP wing drive mechanism drive mechanism absent normal drive pins Instead driven machined bellcranks lock directly wingpivot tubes Therefore drive pins cannot become worn resulting slop reduced wing incidence return accuracy wing drive mechanism also facilitates large wing-travel volumes As result model can produce superb roll rates pilot enjoyment An area George recognized addressed design Ultra GP durability says GP engineered survive rigors slope flying little model tough Kevlar fuselage layup certainly adds toughness Airfoil month NACA 63010 102 Model Aviation Cope launches T-53B 1280 feet above Yakima Valley Site Kiona Butte approximately 10 miles west Richiand Washington Longtime glider enthusiast Randy Holzapple Spitfire Model Bess Myers Michelle Lenseigne capableofknife-edgeflight Ultra GP atop Candy Mountain overlooking Columbia River Author launches Fred Chinas AKS-13 its maiden flight Eagle Butte Valley floor approximately 500 feet below Steve Sharpe poses new V2 Model will fly 15-60 mph winds JR X-347 radio wings molded such manner leading edges quite tough Specifications Wingspan Length Wing Area Weight RTF Wing Loading Airfoils 553/s inches 33 inches 311 square inches 24 27 ounces 111 to 125 ounces per square foot Mod SD8000/SD7003 George pricing Ultra GP $300 Considering quality level completion GP good price model arrives doorstep needing radio installed requiring balance before its first flight George has colored bottom wings differently top blur rolls pilot will better able tell side No really wings colored better visibility relieve having paint Also color added epoxy saves weight associated painting model GP good flier really does carve graceful turns track smoothly As smaller models though does get buffeted turbulence However model can accelerate need speed arisesand can save wind brisk heavy looking very nice wingpivot slope soarer requires least assembly time great flier Oakland Model Academy can get flying RC slope hurry Gene Cope name Scale enthusiasts already know character own right friend great model maker Gene has also recently completed flown scratch-built Y5scale Slingsby 1-53 B unusual aircraft Gene describes reason chose design Nonetheless T-53 B excellent Scale model Gene has provided statistics T-53 B might interested First wingspan 1-53 1 l3/2 inches wing also has constant chord seven inches utilizes lift generated Quabeck 3Q135 airfoil designation denotes airfoil has 3% camber 135% chord thick Note too total dihedral wing panel 30 sweep forward angle 50 Gene molded carbon-fiber spar system wing sheeted wings obechi wood using epoxy bond skins foam core stabilizer T-53 B 22 inches long has inch chord Also stabilizer full-flying configuration ailerons flaps Fourmost Products Snap Tight Hinges employed 1-53 fuselage home-brewed foam-evacuation type construct fuselage Gene carved foam plug covered fiberglass epoxy after layup cured foam eaten out interior lacquer thinner neat trick building fuselages often overlooked would-be builders Gene tells us used two layers 316-ounces-persquare-yard fiberglass boom tail fin additional layer glass nose area flight analysis 1-53 B Gene says 1-53 flies great CG quite critical because 1-53 somewhat difficult balance due forward sweep wing because first flights spent adjusting balance proper trimmed flight Gene adds Using Quabeck 30 also lets model penetrate yet climb lift fast nose lowered also want share picture myself launching Fred Chinas ASK-13 slope lift Eagle Butte maiden flight ASK-13 Fred relegated duties piloting Pete Marshallwith managing windy launch picture doesnt show model climbing right out hand Continued page 109 January1994 103 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWIN-AIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FLYiNG AND HANDLING AEROBATIC CAPABILI TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES ITS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length 43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions 4 Channel An interesting line fun scale plans being offered Gus Morfis 4709 Green Meadows Avenue Torrance CA 90505-5679 Primarily WW II fighters Y12-scale designed around 15 20 two-stroke glow engines Gus plans will produce models IightweighL originally intended RC combat aircraft show no provision landing modelers build airplanes enjoying lightly loaded flying characteristics everyday sport flying models resemble fullscale subjects Right now can choose Grumman F8F Bearcat P-47D Thunderbolt Messerschmitt Me-109 F/G Focke-Wulf Fw l9OAIFW-l9ODrrA-152C Curtiss P-40B Tomahawk Mitsubishi A6M Zero Lavochkin La-S La-7 Macchi C202 Hawker Typhoon venerable Hawker Hurricane models span 32 inches 411/2 inches plans clearly indicate outlines ribs bulkheads formers needed get job done Contact Gus Morfis specific information regarding plan price availability Some months ago mentioned interest spending some time keyboard correctly puck digitizing tablet learn about ModelCad DesignCad 2-D software programs Well still have found time accumulate enough proficiency discuss programs authority far tremendous amount fun explore addition American Small Business Computers Inc CAD programs have also obtained set three instructional RC SlopelByers Continued page 103 needed somewhat push get its airspeed up however once left hand Pete able easily find lift altitude -scale Vintage soarer Also notice pilot figures added realism Scale flight ASK-13 constructed Fred weighed 17 pounds 17-pound weight resulted wing loading 23 ounces per square foot didnt video tapes Design Cad 2-D ViaGrafix ViaGrafix 31 South Adair Pryor OK 74361 ASBC American Way Pryor OK 74361 greater skill hand promise write about made-for-modeling software Leo Opdykes World War IAeroplanes question finest information sources WW aircraft face planet After previous mention CAD systems received nice note Leo calling attention World War Aero s Issue #138 pages 9 1-97 excellent article computer software program lets develop accurate three-views photographs Leo says system should interest modelers everywhere truly works its its kind Back issues available $4 writing World War Aeroplanes Inc 15 Crescent Road Poughkeepsie NY 12601 Getting issue #138 will pleasant experience sure interested early aeroplanes yet subscribe publication consider doing Numerous issues World War IAero better have missing something would look forward receiving issue Next time Ill match specific threeview color scheme Aeroplane Works Fokker DVII kit Ill explain some modifications will made produce accurate model excellent basic plans Rich Uravitch drew exciting fun-scale project Until build straight fly safely Ill talk again ct models performance did however increase models flying speed its overall penetration Nonetheless ASK-13 was/is super soarer capable both soaring flight slope flying Additionally ASK- 13 sported four-meter span scratch-built using Cliff Charlesworth plans guide wings built-up construction covered Solartech fabric covering painted Fred says wings very conventional construction although strengthened spar system Continued page 112 #101 Extra Hands below Makes covering easy Digger ieff Easiest use hinging tooi avaliabie $335 ELDON J LIND COMPANY 3151 Caravelle Dr Lake Havas City AZ 86406 602 453-7970 Send sell-addressed stamped envelope catalog ol producls M/C & Visa accepted January1994 109 FOR SERIOUS MODEl El flfl wSt euy munIate straight Without access #500A $10885 access #SOOB $191 AO #202 Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 Single cyimech advance system-$6700 Twin cyimech advance system --$9600 features two rww uij y8tSlflb .nuu w uuuuipleat electronic Single cylstep advance system---$8700 package jor mechanical advance systems ft will Twin cylstep advance system---$1 1600 replace other popular systems give great Single cylelectronic adv system-$1 1200 relIability other return step unIt Twin cylelectronic adv systern---$1 4100 two position RPM controlled advance system Switch harness Deans plug $1100 order keep costs line present times Stitt M-80 Plug 1/4-32 --- $1100 wilts will offered less switch harness Shipping ---------- 0 systems feature diode battery protection rag 2nd day air ulated pow supply regulated low battery draw scadentally high RPM reduced RFI emission wimpy units featize fLu power will fire twins needing five cell battery quality inside Afl Custom Qadles Feature Custom molded gray tubing--no ugly fittings Special neoprene loam--impervious fuel Oil Folds easy storage Custom design built last Ready useno building Easily adlusted 3177 East Fot LoweR Road #1 Tucson Arizona 85716 Call today order 1-800-CRADLE-a 272-3530 1-oAt Tall Boy Custom Cradles Tall Boy Large25 tall 26 long 5 5 wide fuselage- $4090 Tall Boy Standard--32 tall 22 long 3to 5 wide luselage- $3890 Tall Boy X-Large26 tall 28 long a-to i 2 wide fuselage $4290 best IlevJ EVEE T&lVS&a La Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage---- $2490 Lo Boy Large14 tall 26 long 5toB wide luselage $2890 Lo Boy X-Large--16 tall 28 long 5to 12widelusslage- $3t90 HANDS ON PRO-BOW THIS UNIQUE DEVICE ALLOWS YOU TO CUT ACCU RATE WING CORES WITHOUT EXPENSIVE AND COMPLICATED EOUIPMENT WITH THE PRO-BOW THE CUTTING WIRE IS GUIDED DIRECTLY AT THE TEMPLATES BY HAND HELD INSULATOR CLIPS THE HEAVY-DUTY CONSTRUCTION GIVES GOOD FEEL TO THE BOW AND WITH THE ADJUSTABLE HEAT PROBE THE WIRE TEMPERATURE CAN BE CONTROLLED FOR PERFECT CUTTING RESULTS sale $4295 WORKS DIRECTLY OFF OF 12 VOLT BATTERY OR 10 AMP BATTERY CHARGER S COMPLETELY ASSEMBLED STRAIGHT OR TAPERED CORES IAL PASSIVE RESISTANCE CUTTING WIRE LATED STEEL FRAME CUTTING TECHNIDUES ATING INSTRUCTIONS INCLUDED UP TO 41 SEND $500 FOR 60 PAGE CATALOG VISA & MASTERCARD ACCEP TEDADD $500 SHIPPING IN USAIL RESIDENTS ADD 7% TAX WING MFG 306 E SIMMONS GALESBURG IL 61401 CALL 309-342 -3009 RC Slope/Byors Continued page 109 accommodate extra weight Interestingly design according Cliff slated come eight pounds much lighter wing loading Fred made some modifications model better suited slope environment retaining good thermaling capability thus 17 pounds fuselage ASK-13 also built-up construction formers stringers sheeted t/ts balsa After balsa sheeting applied Fred requisitioned help Pete Marshall cover fuselage -ounce-per-squareyard fiberglass fabric Fred detailed epoxy paint also finished cockpit two -scale pilots instrument panels controls ASK-13 nicely built model us would proud have constructed controls ASK ailerons elevator rudder spoilers familiar Power Slope Scale PSS models simply slope gliders built replicas powered aircraft form slope soaring said have originated England Im sure British really have leg up us thing sure first form association recognize format association Power Slope Scale Association PSSA founded Alan Hulme Needless say movement has grown now RC modelers converting powered models building PSS models attack slopes everywhere interested finding out what happening way PSS might want join PSSA PSSAs newsletter 112 Model Aviation NEW FOX 25BB SCHNEURLE Mark X Carburetor Muffler Included Cylinder can face right left rear R/C C/L Versions U FOX FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501-646-1656 501-646-1757 MADE IN AMERICA FOX NEW ULTRA E-Z CARBURETOR Single needle adjustment Air bleed idle Excellent transition Fits Fox C frame 45 thru 74 Smaller sizes available later SMART CHAMPIONS FLYFOXnow produced Michael Kitchen has informative little newsletter will receive member newsletter mostly covers what happening Europe however also excellent source information P55 enthusiasts interested write Michael Kitchen Tall Timbers Sutton-on-the-Forest York Y06-1DY England Randy Hoizapple another PSS enthusiast pictured holding Vickers Supermarine Spitfire model also power conversion PSS utilized ailerons elevator rudder control capable aerobatics Randy gave demonstration Spitfires aerobatic capability performing some knife-edge flight following dive speed could also four-point rolls Spitfire wasnt terribly fast appeared quite enjoyable fly because wasnt twitchy did what told command Randy interested either models send SASE will provide Drews Randys addresses both avid enthusiasts would likely share information have last model pictorial model owned good friend Steve Sharpe Steves model design generated quite some time ago called Velocity Squared original model span 48 inches However ate lots slope lift over years grew bigger version Steve now flying Steves V2 constructed entirely fiberglass Kevlar has molded fuselage fin wings stabilizer foam core vacuum-bagged fiberglass Additionally wings stabilizer reinforced unidirectional carbon fiber Continued poge 121 SAVE YOUR FIELD SNUF-LER muffler isa low cost easy install lightweight sound reducing ler no performance penalty answer AMA muffler rule suggestions saving flying fIelds Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possIble 300-500 RPM Increase Improves engine idle s better fuel economy Easily attached 25-108 stock mufflers Neal corrosion resistant Slack E coat finish No special adapters required Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipmesf Check MO Visa MC CODSEND 2SF STAMP accepted Add 52SOfor UPS $2OOfor COD 6%edestaoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG All-new version FOILED AGAIN! now available plot IRF~IL S printer. O BLEND different airfoils wing root tip Cl BROWSE through dozens airfoils ON SCREENI* O Import WEW airfoils other airfoil plot programs Cl Enjoy point-and-click file selection loading O Plot loft-hand right-hand airfoils bothi Cl Graphically modify airfoil shapes ON SCREENI* O Enter own data quickly easily or. O Select hundreds airfoils available diski .wlthfrequires VGA raplics adapter FOILED AGAIN! Version 20 $5995 MA lUNG INCLUDED CA RESIDENTS ADD TAX PLEASE SPECIFY PREFERRED DISK SIZE MAKE CHECK OR MONEY ORDER PAYABLE TO 619 7924021 CYGNET Software 3525 Del Mar Heights Road Box 237B San Diego CA 92130 January1994 113 FOX QUIET MUFFLERS Fit Fox B & C frame 40 45 50 Steady 89 db noise level Available soon Fox 60 74 SN U F-FLERTM MUFFLER patented $2495 CAT NO BOO model aviation magazines published since 1931 has indexed very small fee Dick will locate model will photocopy article can enlarge magazine plans original articles has extensive library full-size model plans can copy including American Aircraft Modeler Air Trails Hobby Helpers Catalogs include Published Nonscale Model Plans includes categories $5 postpaid US Canada Scale catalog $275 US Canada Gold Book Model Plans Golden Age Aeromodeling further breaks catalogs down categories nonscale free flight nonscale gliders control line etc Anyway next time want know get copy some old article write him sold magazine collection make room build some models lopelByors Continued page 113 Interior wing two ballast tubes aluminum also act strengthening spars ballast tubes also allow model carry internal wing over CG six pounds lead shot extra windy conditions hinge ailerons elevator V2 employed Fourmost Snap Tight Hinges Buried wings two JR-341 servos aileron control Steve using JR X-347 transmitter talking JR 627 receiver control V2 has wingspan 90 inches 55-inches long wings also have total area 580 square inches carry aspect ratio 131 provide pitch stability stabilizer has area 95 square inches hung fairly long moment armas can see picture An Eppler 374 airfoil used generate lift wing horizontal stabilizer uses NACA 63010 airfoil counter mildly negative CMO 374 Velocity Squared designed varied wind conditions ability add weight allows penetrate URY JET MODELS INC 8 Martha Ct8305 Regency Woods Way Sumter SC 29150Louisville KY 40220 803 775-6491502491-4114 RETRACT SELECTOR SPEED CONTROL VALVE Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 xls 1-1/4$2495 Wt 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Exhaust System eac F-i 00 F-100 Hun basic kit $18999 - 1/8 Scale 50 Removable Wings th 63 Sport Hawk MK II basic kit $18988 - Easy build Removable wing Length 59 F-los Thunderchief basic kit $23900 - Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW - 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 vable 61 Wings LE/TE flaps - DelUxe kit DC wood I/B pylons CF kit plus Landing gear tires brakes available COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREEComplete Air System Stainless Torque LinksAsle Installed Different strut configurations Parts Service 1 Year Limited Warranty 30 Day Ftefundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-SO lb aircraft 2 sets 1 Standard 900 minutes 7Q0 1100 retract angle Over-center lock down Nose gear available $27500 pair Wt 15 lbs SCALE MAIN RETRACTS STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C li Bud Nosen pius Choice 91 Plyon Winners les 20-25 lb aircraft 840970 retract angle Optional wire struts Positive lock up lock down Nose gear available $19900 pair Wt 22oz NEW 1/5 SCALE P51 & SPITFIRE products proudly MADE IN THE USA Our Smoker Preheaters Are Twice As Effective As Head Coils MAKES 4~O5f7 GREAT HOLIDA Y GIFT AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 57 BAXLEY GA 31513 Fax912367-3577 January1994 121 Money Back Guaranteed mA AVAILABLL & 4-Cycle 50 & up B & M MODEL Co w0 Visa Mastercard & American Express ccepted REHYS QUALITY MODEL PRODUCTS GIANT SCALE SPECIALISTS Zenoah Quadra Sales Parts Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Kinner -Tmylorcraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 DELUXE Err INCITJDES PHEASSEMBLEI FUSELAGE SIDE FRAMES FORMERS ENG MNT ASSY WELDED LG TAIL WHEEL ASSY CUT/SHAPED RIDS SPARS PLY BRACES LEADING & TRAILING EDGES LAMINATED WINO TIPS FIN STAB DETAILED BUILDING INSTRUCTIONS ADD $695 SHIPPING/HANDLING UT 1565 ADD 625% TAX FLYROD $69 & H Span51 Area 790 sqin 32-40 Radio 4 ch ht 2 2 1/2 lbs. Ultimate Fun-Fly Machine udes covering & Hardware pkg. throttle flights NO flutterl s Bests qm Ordera Call 1-800-645-KITS information Call eaa-445-1 122 P0 Eon 771 GENERIX East windsor NJ eese Tomorrows Kits Affordable Priceal Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses visaBJrn/c ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 winds 60 mph unloaded model can fly face slopes 15 mph wind capable aerobatics maybe precision aerobatics justgood-fun sport aerobatics Airfoil Month months airfoil used V2 elevator excellent choice stabilizer vertical-fin section section thick enough allow build strong high-wind conditions thin enough penalize overall performance model NACA 63010 also quiet section wont produce ultra-sensitive response control inputs resulting twitchy-feeling airplane Rather 63010 will give good control response provides model designed properly smooth flowing feeling pilot Try think youll like months column good Let know Im doing Theres always room improvement Good flying YOU DONT CONNECTS IN SECONDS CHECKS ALL RADI COMPONENTS BEFORE ITs TOO LATE FASTER AND BETTER SERVO INSTALLATION- LONGER RUNNING TIME MORE RADIO & MODEL LIFE MAXIMUM PERFORMANCE & MAXIMUM SAFErY FOR YOUR VALUABLE MODEL- SAVE $1000s Novice Pro-Any RIC Model aider ar tar mare inta merda SA5 _______ _____ PO Box 220762 Santa CIata CA 9 1322 122 Model Aviation WAYNE R/C Model Hobby Over 50000 Sq Ft space available BOAT POND @ CARPET TRACK @ TRUCK PULLS 1st Place Plaques Static Displays Information Call Bob Parker Garry Geiselman 219-483-6144 219-482-3448 h Ihe colortul ee bee L tirst ot th barrel-shaped racers constructed Granville Brothers Springfield Massachusetts During 1931 won five races including prestigious Thompson Trophy Cleveland Ohio National Air Races Z also direct forerunner famous Gee Bee R-1 R-2 FEATURES TWO TYPES OF COWLINGS TYPES OF WHEELS HARD AND FLEXIBLE TIRES AILED INTERIOR SEND SASE FOR FREE ILLUSTRATED ORDER FORMDEPT MA ______________ 181 PAWNEE ST SAN MARCOS CALIFORNIA 92069 BACKYARD MICROFLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY _wwllIY3YII Albalens DlF4F Wildcat ME-lid Fobbee DVIIF6F Helical ME262 Fok TeiplasseFW-190A Mit zeco SE SAHaw Hareicatte P-470 Thunderbolt Sopseith CamelHeinkel He-Ill P51B Mustang SPADJunkers 10-855 Spilijee Balsa Print Wood 6-8 Wing Spans Price 5285 S&H $250 Any Oly check ne Money Oeder OnlyFantasy Flyers Na CODsPO Ben 430 NYheesidentsadd slestasFarnsingville NY 11735-0430
Edition: Model Aviation - 1994/01
Page Numbers: 102, 103, 109, 112, 113, 121, 122
RADIO CONTROL SLOPE SOARING PICTURES MOTIVATE MODELERS build fly buy model aircraft also fun look tell mind Slope Soaring column month will filled pictures space allows hope enjoy pictorial picture biased point view two beautiful ladies holding fun wingeron sloper Oakland Model Academy As may have guessed beauty left daughter Bess right holding Ultra GP friend Michelle Lenseigne Both girls excited about getting pictures taken glider magazine Excitement what motivates young people become preoccupied sport hobbywouldnt agree So guys look outthese young ladies part new generation will competitors some day soon like promoting junior enthusiasts helping help hobby grow will send picture favorite junior slopers maybe can get Model Aviation will fun us assuredly Now about Ultra GP GP built new name glider manufacturing business Mr George Hunter Georges company Oakland Model Academy new model George features faint heart designed individuals wanting push envelope advancedaerobatics slope soarer high-rollrate aircraft capable penetrating wind pushed Ultra GP features hollow-core all-molded wing set fuselage constructed epoxy glass five ounces Kevlar reinforcing tail section constructed balsa sheet arrives 98%-complete model sanded ready fly nice features Ultra GP wing drive mechanism drive mechanism absent normal drive pins Instead driven machined bellcranks lock directly wingpivot tubes Therefore drive pins cannot become worn resulting slop reduced wing incidence return accuracy wing drive mechanism also facilitates large wing-travel volumes As result model can produce superb roll rates pilot enjoyment An area George recognized addressed design Ultra GP durability says GP engineered survive rigors slope flying little model tough Kevlar fuselage layup certainly adds toughness Airfoil month NACA 63010 102 Model Aviation Cope launches T-53B 1280 feet above Yakima Valley Site Kiona Butte approximately 10 miles west Richiand Washington Longtime glider enthusiast Randy Holzapple Spitfire Model Bess Myers Michelle Lenseigne capableofknife-edgeflight Ultra GP atop Candy Mountain overlooking Columbia River Author launches Fred Chinas AKS-13 its maiden flight Eagle Butte Valley floor approximately 500 feet below Steve Sharpe poses new V2 Model will fly 15-60 mph winds JR X-347 radio wings molded such manner leading edges quite tough Specifications Wingspan Length Wing Area Weight RTF Wing Loading Airfoils 553/s inches 33 inches 311 square inches 24 27 ounces 111 to 125 ounces per square foot Mod SD8000/SD7003 George pricing Ultra GP $300 Considering quality level completion GP good price model arrives doorstep needing radio installed requiring balance before its first flight George has colored bottom wings differently top blur rolls pilot will better able tell side No really wings colored better visibility relieve having paint Also color added epoxy saves weight associated painting model GP good flier really does carve graceful turns track smoothly As smaller models though does get buffeted turbulence However model can accelerate need speed arisesand can save wind brisk heavy looking very nice wingpivot slope soarer requires least assembly time great flier Oakland Model Academy can get flying RC slope hurry Gene Cope name Scale enthusiasts already know character own right friend great model maker Gene has also recently completed flown scratch-built Y5scale Slingsby 1-53 B unusual aircraft Gene describes reason chose design Nonetheless T-53 B excellent Scale model Gene has provided statistics T-53 B might interested First wingspan 1-53 1 l3/2 inches wing also has constant chord seven inches utilizes lift generated Quabeck 3Q135 airfoil designation denotes airfoil has 3% camber 135% chord thick Note too total dihedral wing panel 30 sweep forward angle 50 Gene molded carbon-fiber spar system wing sheeted wings obechi wood using epoxy bond skins foam core stabilizer T-53 B 22 inches long has inch chord Also stabilizer full-flying configuration ailerons flaps Fourmost Products Snap Tight Hinges employed 1-53 fuselage home-brewed foam-evacuation type construct fuselage Gene carved foam plug covered fiberglass epoxy after layup cured foam eaten out interior lacquer thinner neat trick building fuselages often overlooked would-be builders Gene tells us used two layers 316-ounces-persquare-yard fiberglass boom tail fin additional layer glass nose area flight analysis 1-53 B Gene says 1-53 flies great CG quite critical because 1-53 somewhat difficult balance due forward sweep wing because first flights spent adjusting balance proper trimmed flight Gene adds Using Quabeck 30 also lets model penetrate yet climb lift fast nose lowered also want share picture myself launching Fred Chinas ASK-13 slope lift Eagle Butte maiden flight ASK-13 Fred relegated duties piloting Pete Marshallwith managing windy launch picture doesnt show model climbing right out hand Continued page 109 January1994 103 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWIN-AIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FLYiNG AND HANDLING AEROBATIC CAPABILI TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES ITS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length 43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions 4 Channel An interesting line fun scale plans being offered Gus Morfis 4709 Green Meadows Avenue Torrance CA 90505-5679 Primarily WW II fighters Y12-scale designed around 15 20 two-stroke glow engines Gus plans will produce models IightweighL originally intended RC combat aircraft show no provision landing modelers build airplanes enjoying lightly loaded flying characteristics everyday sport flying models resemble fullscale subjects Right now can choose Grumman F8F Bearcat P-47D Thunderbolt Messerschmitt Me-109 F/G Focke-Wulf Fw l9OAIFW-l9ODrrA-152C Curtiss P-40B Tomahawk Mitsubishi A6M Zero Lavochkin La-S La-7 Macchi C202 Hawker Typhoon venerable Hawker Hurricane models span 32 inches 411/2 inches plans clearly indicate outlines ribs bulkheads formers needed get job done Contact Gus Morfis specific information regarding plan price availability Some months ago mentioned interest spending some time keyboard correctly puck digitizing tablet learn about ModelCad DesignCad 2-D software programs Well still have found time accumulate enough proficiency discuss programs authority far tremendous amount fun explore addition American Small Business Computers Inc CAD programs have also obtained set three instructional RC SlopelByers Continued page 103 needed somewhat push get its airspeed up however once left hand Pete able easily find lift altitude -scale Vintage soarer Also notice pilot figures added realism Scale flight ASK-13 constructed Fred weighed 17 pounds 17-pound weight resulted wing loading 23 ounces per square foot didnt video tapes Design Cad 2-D ViaGrafix ViaGrafix 31 South Adair Pryor OK 74361 ASBC American Way Pryor OK 74361 greater skill hand promise write about made-for-modeling software Leo Opdykes World War IAeroplanes question finest information sources WW aircraft face planet After previous mention CAD systems received nice note Leo calling attention World War Aero s Issue #138 pages 9 1-97 excellent article computer software program lets develop accurate three-views photographs Leo says system should interest modelers everywhere truly works its its kind Back issues available $4 writing World War Aeroplanes Inc 15 Crescent Road Poughkeepsie NY 12601 Getting issue #138 will pleasant experience sure interested early aeroplanes yet subscribe publication consider doing Numerous issues World War IAero better have missing something would look forward receiving issue Next time Ill match specific threeview color scheme Aeroplane Works Fokker DVII kit Ill explain some modifications will made produce accurate model excellent basic plans Rich Uravitch drew exciting fun-scale project Until build straight fly safely Ill talk again ct models performance did however increase models flying speed its overall penetration Nonetheless ASK-13 was/is super soarer capable both soaring flight slope flying Additionally ASK- 13 sported four-meter span scratch-built using Cliff Charlesworth plans guide wings built-up construction covered Solartech fabric covering painted Fred says wings very conventional construction although strengthened spar system Continued page 112 #101 Extra Hands below Makes covering easy Digger ieff Easiest use hinging tooi avaliabie $335 ELDON J LIND COMPANY 3151 Caravelle Dr Lake Havas City AZ 86406 602 453-7970 Send sell-addressed stamped envelope catalog ol producls M/C & Visa accepted January1994 109 FOR SERIOUS MODEl El flfl wSt euy munIate straight Without access #500A $10885 access #SOOB $191 AO #202 Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 Single cyimech advance system-$6700 Twin cyimech advance system --$9600 features two rww uij y8tSlflb .nuu w uuuuipleat electronic Single cylstep advance system---$8700 package jor mechanical advance systems ft will Twin cylstep advance system---$1 1600 replace other popular systems give great Single cylelectronic adv system-$1 1200 relIability other return step unIt Twin cylelectronic adv systern---$1 4100 two position RPM controlled advance system Switch harness Deans plug $1100 order keep costs line present times Stitt M-80 Plug 1/4-32 --- $1100 wilts will offered less switch harness Shipping ---------- 0 systems feature diode battery protection rag 2nd day air ulated pow supply regulated low battery draw scadentally high RPM reduced RFI emission wimpy units featize fLu power will fire twins needing five cell battery quality inside Afl Custom Qadles Feature Custom molded gray tubing--no ugly fittings Special neoprene loam--impervious fuel Oil Folds easy storage Custom design built last Ready useno building Easily adlusted 3177 East Fot LoweR Road #1 Tucson Arizona 85716 Call today order 1-800-CRADLE-a 272-3530 1-oAt Tall Boy Custom Cradles Tall Boy Large25 tall 26 long 5 5 wide fuselage- $4090 Tall Boy Standard--32 tall 22 long 3to 5 wide luselage- $3890 Tall Boy X-Large26 tall 28 long a-to i 2 wide fuselage $4290 best IlevJ EVEE T&lVS&a La Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage---- $2490 Lo Boy Large14 tall 26 long 5toB wide luselage $2890 Lo Boy X-Large--16 tall 28 long 5to 12widelusslage- $3t90 HANDS ON PRO-BOW THIS UNIQUE DEVICE ALLOWS YOU TO CUT ACCU RATE WING CORES WITHOUT EXPENSIVE AND COMPLICATED EOUIPMENT WITH THE PRO-BOW THE CUTTING WIRE IS GUIDED DIRECTLY AT THE TEMPLATES BY HAND HELD INSULATOR CLIPS THE HEAVY-DUTY CONSTRUCTION GIVES GOOD FEEL TO THE BOW AND WITH THE ADJUSTABLE HEAT PROBE THE WIRE TEMPERATURE CAN BE CONTROLLED FOR PERFECT CUTTING RESULTS sale $4295 WORKS DIRECTLY OFF OF 12 VOLT BATTERY OR 10 AMP BATTERY CHARGER S COMPLETELY ASSEMBLED STRAIGHT OR TAPERED CORES IAL PASSIVE RESISTANCE CUTTING WIRE LATED STEEL FRAME CUTTING TECHNIDUES ATING INSTRUCTIONS INCLUDED UP TO 41 SEND $500 FOR 60 PAGE CATALOG VISA & MASTERCARD ACCEP TEDADD $500 SHIPPING IN USAIL RESIDENTS ADD 7% TAX WING MFG 306 E SIMMONS GALESBURG IL 61401 CALL 309-342 -3009 RC Slope/Byors Continued page 109 accommodate extra weight Interestingly design according Cliff slated come eight pounds much lighter wing loading Fred made some modifications model better suited slope environment retaining good thermaling capability thus 17 pounds fuselage ASK-13 also built-up construction formers stringers sheeted t/ts balsa After balsa sheeting applied Fred requisitioned help Pete Marshall cover fuselage -ounce-per-squareyard fiberglass fabric Fred detailed epoxy paint also finished cockpit two -scale pilots instrument panels controls ASK-13 nicely built model us would proud have constructed controls ASK ailerons elevator rudder spoilers familiar Power Slope Scale PSS models simply slope gliders built replicas powered aircraft form slope soaring said have originated England Im sure British really have leg up us thing sure first form association recognize format association Power Slope Scale Association PSSA founded Alan Hulme Needless say movement has grown now RC modelers converting powered models building PSS models attack slopes everywhere interested finding out what happening way PSS might want join PSSA PSSAs newsletter 112 Model Aviation NEW FOX 25BB SCHNEURLE Mark X Carburetor Muffler Included Cylinder can face right left rear R/C C/L Versions U FOX FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501-646-1656 501-646-1757 MADE IN AMERICA FOX NEW ULTRA E-Z CARBURETOR Single needle adjustment Air bleed idle Excellent transition Fits Fox C frame 45 thru 74 Smaller sizes available later SMART CHAMPIONS FLYFOXnow produced Michael Kitchen has informative little newsletter will receive member newsletter mostly covers what happening Europe however also excellent source information P55 enthusiasts interested write Michael Kitchen Tall Timbers Sutton-on-the-Forest York Y06-1DY England Randy Hoizapple another PSS enthusiast pictured holding Vickers Supermarine Spitfire model also power conversion PSS utilized ailerons elevator rudder control capable aerobatics Randy gave demonstration Spitfires aerobatic capability performing some knife-edge flight following dive speed could also four-point rolls Spitfire wasnt terribly fast appeared quite enjoyable fly because wasnt twitchy did what told command Randy interested either models send SASE will provide Drews Randys addresses both avid enthusiasts would likely share information have last model pictorial model owned good friend Steve Sharpe Steves model design generated quite some time ago called Velocity Squared original model span 48 inches However ate lots slope lift over years grew bigger version Steve now flying Steves V2 constructed entirely fiberglass Kevlar has molded fuselage fin wings stabilizer foam core vacuum-bagged fiberglass Additionally wings stabilizer reinforced unidirectional carbon fiber Continued poge 121 SAVE YOUR FIELD SNUF-LER muffler isa low cost easy install lightweight sound reducing ler no performance penalty answer AMA muffler rule suggestions saving flying fIelds Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possIble 300-500 RPM Increase Improves engine idle s better fuel economy Easily attached 25-108 stock mufflers Neal corrosion resistant Slack E coat finish No special adapters required Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipmesf Check MO Visa MC CODSEND 2SF STAMP accepted Add 52SOfor UPS $2OOfor COD 6%edestaoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG All-new version FOILED AGAIN! now available plot IRF~IL S printer. O BLEND different airfoils wing root tip Cl BROWSE through dozens airfoils ON SCREENI* O Import WEW airfoils other airfoil plot programs Cl Enjoy point-and-click file selection loading O Plot loft-hand right-hand airfoils bothi Cl Graphically modify airfoil shapes ON SCREENI* O Enter own data quickly easily or. O Select hundreds airfoils available diski .wlthfrequires VGA raplics adapter FOILED AGAIN! Version 20 $5995 MA lUNG INCLUDED CA RESIDENTS ADD TAX PLEASE SPECIFY PREFERRED DISK SIZE MAKE CHECK OR MONEY ORDER PAYABLE TO 619 7924021 CYGNET Software 3525 Del Mar Heights Road Box 237B San Diego CA 92130 January1994 113 FOX QUIET MUFFLERS Fit Fox B & C frame 40 45 50 Steady 89 db noise level Available soon Fox 60 74 SN U F-FLERTM MUFFLER patented $2495 CAT NO BOO model aviation magazines published since 1931 has indexed very small fee Dick will locate model will photocopy article can enlarge magazine plans original articles has extensive library full-size model plans can copy including American Aircraft Modeler Air Trails Hobby Helpers Catalogs include Published Nonscale Model Plans includes categories $5 postpaid US Canada Scale catalog $275 US Canada Gold Book Model Plans Golden Age Aeromodeling further breaks catalogs down categories nonscale free flight nonscale gliders control line etc Anyway next time want know get copy some old article write him sold magazine collection make room build some models lopelByors Continued page 113 Interior wing two ballast tubes aluminum also act strengthening spars ballast tubes also allow model carry internal wing over CG six pounds lead shot extra windy conditions hinge ailerons elevator V2 employed Fourmost Snap Tight Hinges Buried wings two JR-341 servos aileron control Steve using JR X-347 transmitter talking JR 627 receiver control V2 has wingspan 90 inches 55-inches long wings also have total area 580 square inches carry aspect ratio 131 provide pitch stability stabilizer has area 95 square inches hung fairly long moment armas can see picture An Eppler 374 airfoil used generate lift wing horizontal stabilizer uses NACA 63010 airfoil counter mildly negative CMO 374 Velocity Squared designed varied wind conditions ability add weight allows penetrate URY JET MODELS INC 8 Martha Ct8305 Regency Woods Way Sumter SC 29150Louisville KY 40220 803 775-6491502491-4114 RETRACT SELECTOR SPEED CONTROL VALVE Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 xls 1-1/4$2495 Wt 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Exhaust System eac F-i 00 F-100 Hun basic kit $18999 - 1/8 Scale 50 Removable Wings th 63 Sport Hawk MK II basic kit $18988 - Easy build Removable wing Length 59 F-los Thunderchief basic kit $23900 - Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW - 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 vable 61 Wings LE/TE flaps - DelUxe kit DC wood I/B pylons CF kit plus Landing gear tires brakes available COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREEComplete Air System Stainless Torque LinksAsle Installed Different strut configurations Parts Service 1 Year Limited Warranty 30 Day Ftefundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-SO lb aircraft 2 sets 1 Standard 900 minutes 7Q0 1100 retract angle Over-center lock down Nose gear available $27500 pair Wt 15 lbs SCALE MAIN RETRACTS STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C li Bud Nosen pius Choice 91 Plyon Winners les 20-25 lb aircraft 840970 retract angle Optional wire struts Positive lock up lock down Nose gear available $19900 pair Wt 22oz NEW 1/5 SCALE P51 & SPITFIRE products proudly MADE IN THE USA Our Smoker Preheaters Are Twice As Effective As Head Coils MAKES 4~O5f7 GREAT HOLIDA Y GIFT AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 57 BAXLEY GA 31513 Fax912367-3577 January1994 121 Money Back Guaranteed mA AVAILABLL & 4-Cycle 50 & up B & M MODEL Co w0 Visa Mastercard & American Express ccepted REHYS QUALITY MODEL PRODUCTS GIANT SCALE SPECIALISTS Zenoah Quadra Sales Parts Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Kinner -Tmylorcraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 DELUXE Err INCITJDES PHEASSEMBLEI FUSELAGE SIDE FRAMES FORMERS ENG MNT ASSY WELDED LG TAIL WHEEL ASSY CUT/SHAPED RIDS SPARS PLY BRACES LEADING & TRAILING EDGES LAMINATED WINO TIPS FIN STAB DETAILED BUILDING INSTRUCTIONS ADD $695 SHIPPING/HANDLING UT 1565 ADD 625% TAX FLYROD $69 & H Span51 Area 790 sqin 32-40 Radio 4 ch ht 2 2 1/2 lbs. Ultimate Fun-Fly Machine udes covering & Hardware pkg. throttle flights NO flutterl s Bests qm Ordera Call 1-800-645-KITS information Call eaa-445-1 122 P0 Eon 771 GENERIX East windsor NJ eese Tomorrows Kits Affordable Priceal Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses visaBJrn/c ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 winds 60 mph unloaded model can fly face slopes 15 mph wind capable aerobatics maybe precision aerobatics justgood-fun sport aerobatics Airfoil Month months airfoil used V2 elevator excellent choice stabilizer vertical-fin section section thick enough allow build strong high-wind conditions thin enough penalize overall performance model NACA 63010 also quiet section wont produce ultra-sensitive response control inputs resulting twitchy-feeling airplane Rather 63010 will give good control response provides model designed properly smooth flowing feeling pilot Try think youll like months column good Let know Im doing Theres always room improvement Good flying YOU DONT CONNECTS IN SECONDS CHECKS ALL RADI COMPONENTS BEFORE ITs TOO LATE FASTER AND BETTER SERVO INSTALLATION- LONGER RUNNING TIME MORE RADIO & MODEL LIFE MAXIMUM PERFORMANCE & MAXIMUM SAFErY FOR YOUR VALUABLE MODEL- SAVE $1000s Novice Pro-Any RIC Model aider ar tar mare inta merda SA5 _______ _____ PO Box 220762 Santa CIata CA 9 1322 122 Model Aviation WAYNE R/C Model Hobby Over 50000 Sq Ft space available BOAT POND @ CARPET TRACK @ TRUCK PULLS 1st Place Plaques Static Displays Information Call Bob Parker Garry Geiselman 219-483-6144 219-482-3448 h Ihe colortul ee bee L tirst ot th barrel-shaped racers constructed Granville Brothers Springfield Massachusetts During 1931 won five races including prestigious Thompson Trophy Cleveland Ohio National Air Races Z also direct forerunner famous Gee Bee R-1 R-2 FEATURES TWO TYPES OF COWLINGS TYPES OF WHEELS HARD AND FLEXIBLE TIRES AILED INTERIOR SEND SASE FOR FREE ILLUSTRATED ORDER FORMDEPT MA ______________ 181 PAWNEE ST SAN MARCOS CALIFORNIA 92069 BACKYARD MICROFLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY _wwllIY3YII Albalens DlF4F Wildcat ME-lid Fobbee DVIIF6F Helical ME262 Fok TeiplasseFW-190A Mit zeco SE SAHaw Hareicatte P-470 Thunderbolt Sopseith CamelHeinkel He-Ill P51B Mustang SPADJunkers 10-855 Spilijee Balsa Print Wood 6-8 Wing Spans Price 5285 S&H $250 Any Oly check ne Money Oeder OnlyFantasy Flyers Na CODsPO Ben 430 NYheesidentsadd slestasFarnsingville NY 11735-0430
Edition: Model Aviation - 1994/01
Page Numbers: 102, 103, 109, 112, 113, 121, 122
RADIO CONTROL SLOPE SOARING PICTURES MOTIVATE MODELERS build fly buy model aircraft also fun look tell mind Slope Soaring column month will filled pictures space allows hope enjoy pictorial picture biased point view two beautiful ladies holding fun wingeron sloper Oakland Model Academy As may have guessed beauty left daughter Bess right holding Ultra GP friend Michelle Lenseigne Both girls excited about getting pictures taken glider magazine Excitement what motivates young people become preoccupied sport hobbywouldnt agree So guys look outthese young ladies part new generation will competitors some day soon like promoting junior enthusiasts helping help hobby grow will send picture favorite junior slopers maybe can get Model Aviation will fun us assuredly Now about Ultra GP GP built new name glider manufacturing business Mr George Hunter Georges company Oakland Model Academy new model George features faint heart designed individuals wanting push envelope advancedaerobatics slope soarer high-rollrate aircraft capable penetrating wind pushed Ultra GP features hollow-core all-molded wing set fuselage constructed epoxy glass five ounces Kevlar reinforcing tail section constructed balsa sheet arrives 98%-complete model sanded ready fly nice features Ultra GP wing drive mechanism drive mechanism absent normal drive pins Instead driven machined bellcranks lock directly wingpivot tubes Therefore drive pins cannot become worn resulting slop reduced wing incidence return accuracy wing drive mechanism also facilitates large wing-travel volumes As result model can produce superb roll rates pilot enjoyment An area George recognized addressed design Ultra GP durability says GP engineered survive rigors slope flying little model tough Kevlar fuselage layup certainly adds toughness Airfoil month NACA 63010 102 Model Aviation Cope launches T-53B 1280 feet above Yakima Valley Site Kiona Butte approximately 10 miles west Richiand Washington Longtime glider enthusiast Randy Holzapple Spitfire Model Bess Myers Michelle Lenseigne capableofknife-edgeflight Ultra GP atop Candy Mountain overlooking Columbia River Author launches Fred Chinas AKS-13 its maiden flight Eagle Butte Valley floor approximately 500 feet below Steve Sharpe poses new V2 Model will fly 15-60 mph winds JR X-347 radio wings molded such manner leading edges quite tough Specifications Wingspan Length Wing Area Weight RTF Wing Loading Airfoils 553/s inches 33 inches 311 square inches 24 27 ounces 111 to 125 ounces per square foot Mod SD8000/SD7003 George pricing Ultra GP $300 Considering quality level completion GP good price model arrives doorstep needing radio installed requiring balance before its first flight George has colored bottom wings differently top blur rolls pilot will better able tell side No really wings colored better visibility relieve having paint Also color added epoxy saves weight associated painting model GP good flier really does carve graceful turns track smoothly As smaller models though does get buffeted turbulence However model can accelerate need speed arisesand can save wind brisk heavy looking very nice wingpivot slope soarer requires least assembly time great flier Oakland Model Academy can get flying RC slope hurry Gene Cope name Scale enthusiasts already know character own right friend great model maker Gene has also recently completed flown scratch-built Y5scale Slingsby 1-53 B unusual aircraft Gene describes reason chose design Nonetheless T-53 B excellent Scale model Gene has provided statistics T-53 B might interested First wingspan 1-53 1 l3/2 inches wing also has constant chord seven inches utilizes lift generated Quabeck 3Q135 airfoil designation denotes airfoil has 3% camber 135% chord thick Note too total dihedral wing panel 30 sweep forward angle 50 Gene molded carbon-fiber spar system wing sheeted wings obechi wood using epoxy bond skins foam core stabilizer T-53 B 22 inches long has inch chord Also stabilizer full-flying configuration ailerons flaps Fourmost Products Snap Tight Hinges employed 1-53 fuselage home-brewed foam-evacuation type construct fuselage Gene carved foam plug covered fiberglass epoxy after layup cured foam eaten out interior lacquer thinner neat trick building fuselages often overlooked would-be builders Gene tells us used two layers 316-ounces-persquare-yard fiberglass boom tail fin additional layer glass nose area flight analysis 1-53 B Gene says 1-53 flies great CG quite critical because 1-53 somewhat difficult balance due forward sweep wing because first flights spent adjusting balance proper trimmed flight Gene adds Using Quabeck 30 also lets model penetrate yet climb lift fast nose lowered also want share picture myself launching Fred Chinas ASK-13 slope lift Eagle Butte maiden flight ASK-13 Fred relegated duties piloting Pete Marshallwith managing windy launch picture doesnt show model climbing right out hand Continued page 109 January1994 103 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWIN-AIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FLYiNG AND HANDLING AEROBATIC CAPABILI TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES ITS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length 43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions 4 Channel An interesting line fun scale plans being offered Gus Morfis 4709 Green Meadows Avenue Torrance CA 90505-5679 Primarily WW II fighters Y12-scale designed around 15 20 two-stroke glow engines Gus plans will produce models IightweighL originally intended RC combat aircraft show no provision landing modelers build airplanes enjoying lightly loaded flying characteristics everyday sport flying models resemble fullscale subjects Right now can choose Grumman F8F Bearcat P-47D Thunderbolt Messerschmitt Me-109 F/G Focke-Wulf Fw l9OAIFW-l9ODrrA-152C Curtiss P-40B Tomahawk Mitsubishi A6M Zero Lavochkin La-S La-7 Macchi C202 Hawker Typhoon venerable Hawker Hurricane models span 32 inches 411/2 inches plans clearly indicate outlines ribs bulkheads formers needed get job done Contact Gus Morfis specific information regarding plan price availability Some months ago mentioned interest spending some time keyboard correctly puck digitizing tablet learn about ModelCad DesignCad 2-D software programs Well still have found time accumulate enough proficiency discuss programs authority far tremendous amount fun explore addition American Small Business Computers Inc CAD programs have also obtained set three instructional RC SlopelByers Continued page 103 needed somewhat push get its airspeed up however once left hand Pete able easily find lift altitude -scale Vintage soarer Also notice pilot figures added realism Scale flight ASK-13 constructed Fred weighed 17 pounds 17-pound weight resulted wing loading 23 ounces per square foot didnt video tapes Design Cad 2-D ViaGrafix ViaGrafix 31 South Adair Pryor OK 74361 ASBC American Way Pryor OK 74361 greater skill hand promise write about made-for-modeling software Leo Opdykes World War IAeroplanes question finest information sources WW aircraft face planet After previous mention CAD systems received nice note Leo calling attention World War Aero s Issue #138 pages 9 1-97 excellent article computer software program lets develop accurate three-views photographs Leo says system should interest modelers everywhere truly works its its kind Back issues available $4 writing World War Aeroplanes Inc 15 Crescent Road Poughkeepsie NY 12601 Getting issue #138 will pleasant experience sure interested early aeroplanes yet subscribe publication consider doing Numerous issues World War IAero better have missing something would look forward receiving issue Next time Ill match specific threeview color scheme Aeroplane Works Fokker DVII kit Ill explain some modifications will made produce accurate model excellent basic plans Rich Uravitch drew exciting fun-scale project Until build straight fly safely Ill talk again ct models performance did however increase models flying speed its overall penetration Nonetheless ASK-13 was/is super soarer capable both soaring flight slope flying Additionally ASK- 13 sported four-meter span scratch-built using Cliff Charlesworth plans guide wings built-up construction covered Solartech fabric covering painted Fred says wings very conventional construction although strengthened spar system Continued page 112 #101 Extra Hands below Makes covering easy Digger ieff Easiest use hinging tooi avaliabie $335 ELDON J LIND COMPANY 3151 Caravelle Dr Lake Havas City AZ 86406 602 453-7970 Send sell-addressed stamped envelope catalog ol producls M/C & Visa accepted January1994 109 FOR SERIOUS MODEl El flfl wSt euy munIate straight Without access #500A $10885 access #SOOB $191 AO #202 Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 Single cyimech advance system-$6700 Twin cyimech advance system --$9600 features two rww uij y8tSlflb .nuu w uuuuipleat electronic Single cylstep advance system---$8700 package jor mechanical advance systems ft will Twin cylstep advance system---$1 1600 replace other popular systems give great Single cylelectronic adv system-$1 1200 relIability other return step unIt Twin cylelectronic adv systern---$1 4100 two position RPM controlled advance system Switch harness Deans plug $1100 order keep costs line present times Stitt M-80 Plug 1/4-32 --- $1100 wilts will offered less switch harness Shipping ---------- 0 systems feature diode battery protection rag 2nd day air ulated pow supply regulated low battery draw scadentally high RPM reduced RFI emission wimpy units featize fLu power will fire twins needing five cell battery quality inside Afl Custom Qadles Feature Custom molded gray tubing--no ugly fittings Special neoprene loam--impervious fuel Oil Folds easy storage Custom design built last Ready useno building Easily adlusted 3177 East Fot LoweR Road #1 Tucson Arizona 85716 Call today order 1-800-CRADLE-a 272-3530 1-oAt Tall Boy Custom Cradles Tall Boy Large25 tall 26 long 5 5 wide fuselage- $4090 Tall Boy Standard--32 tall 22 long 3to 5 wide luselage- $3890 Tall Boy X-Large26 tall 28 long a-to i 2 wide fuselage $4290 best IlevJ EVEE T&lVS&a La Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage---- $2490 Lo Boy Large14 tall 26 long 5toB wide luselage $2890 Lo Boy X-Large--16 tall 28 long 5to 12widelusslage- $3t90 HANDS ON PRO-BOW THIS UNIQUE DEVICE ALLOWS YOU TO CUT ACCU RATE WING CORES WITHOUT EXPENSIVE AND COMPLICATED EOUIPMENT WITH THE PRO-BOW THE CUTTING WIRE IS GUIDED DIRECTLY AT THE TEMPLATES BY HAND HELD INSULATOR CLIPS THE HEAVY-DUTY CONSTRUCTION GIVES GOOD FEEL TO THE BOW AND WITH THE ADJUSTABLE HEAT PROBE THE WIRE TEMPERATURE CAN BE CONTROLLED FOR PERFECT CUTTING RESULTS sale $4295 WORKS DIRECTLY OFF OF 12 VOLT BATTERY OR 10 AMP BATTERY CHARGER S COMPLETELY ASSEMBLED STRAIGHT OR TAPERED CORES IAL PASSIVE RESISTANCE CUTTING WIRE LATED STEEL FRAME CUTTING TECHNIDUES ATING INSTRUCTIONS INCLUDED UP TO 41 SEND $500 FOR 60 PAGE CATALOG VISA & MASTERCARD ACCEP TEDADD $500 SHIPPING IN USAIL RESIDENTS ADD 7% TAX WING MFG 306 E SIMMONS GALESBURG IL 61401 CALL 309-342 -3009 RC Slope/Byors Continued page 109 accommodate extra weight Interestingly design according Cliff slated come eight pounds much lighter wing loading Fred made some modifications model better suited slope environment retaining good thermaling capability thus 17 pounds fuselage ASK-13 also built-up construction formers stringers sheeted t/ts balsa After balsa sheeting applied Fred requisitioned help Pete Marshall cover fuselage -ounce-per-squareyard fiberglass fabric Fred detailed epoxy paint also finished cockpit two -scale pilots instrument panels controls ASK-13 nicely built model us would proud have constructed controls ASK ailerons elevator rudder spoilers familiar Power Slope Scale PSS models simply slope gliders built replicas powered aircraft form slope soaring said have originated England Im sure British really have leg up us thing sure first form association recognize format association Power Slope Scale Association PSSA founded Alan Hulme Needless say movement has grown now RC modelers converting powered models building PSS models attack slopes everywhere interested finding out what happening way PSS might want join PSSA PSSAs newsletter 112 Model Aviation NEW FOX 25BB SCHNEURLE Mark X Carburetor Muffler Included Cylinder can face right left rear R/C C/L Versions U FOX FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501-646-1656 501-646-1757 MADE IN AMERICA FOX NEW ULTRA E-Z CARBURETOR Single needle adjustment Air bleed idle Excellent transition Fits Fox C frame 45 thru 74 Smaller sizes available later SMART CHAMPIONS FLYFOXnow produced Michael Kitchen has informative little newsletter will receive member newsletter mostly covers what happening Europe however also excellent source information P55 enthusiasts interested write Michael Kitchen Tall Timbers Sutton-on-the-Forest York Y06-1DY England Randy Hoizapple another PSS enthusiast pictured holding Vickers Supermarine Spitfire model also power conversion PSS utilized ailerons elevator rudder control capable aerobatics Randy gave demonstration Spitfires aerobatic capability performing some knife-edge flight following dive speed could also four-point rolls Spitfire wasnt terribly fast appeared quite enjoyable fly because wasnt twitchy did what told command Randy interested either models send SASE will provide Drews Randys addresses both avid enthusiasts would likely share information have last model pictorial model owned good friend Steve Sharpe Steves model design generated quite some time ago called Velocity Squared original model span 48 inches However ate lots slope lift over years grew bigger version Steve now flying Steves V2 constructed entirely fiberglass Kevlar has molded fuselage fin wings stabilizer foam core vacuum-bagged fiberglass Additionally wings stabilizer reinforced unidirectional carbon fiber Continued poge 121 SAVE YOUR FIELD SNUF-LER muffler isa low cost easy install lightweight sound reducing ler no performance penalty answer AMA muffler rule suggestions saving flying fIelds Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possIble 300-500 RPM Increase Improves engine idle s better fuel economy Easily attached 25-108 stock mufflers Neal corrosion resistant Slack E coat finish No special adapters required Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipmesf Check MO Visa MC CODSEND 2SF STAMP accepted Add 52SOfor UPS $2OOfor COD 6%edestaoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG All-new version FOILED AGAIN! now available plot IRF~IL S printer. O BLEND different airfoils wing root tip Cl BROWSE through dozens airfoils ON SCREENI* O Import WEW airfoils other airfoil plot programs Cl Enjoy point-and-click file selection loading O Plot loft-hand right-hand airfoils bothi Cl Graphically modify airfoil shapes ON SCREENI* O Enter own data quickly easily or. O Select hundreds airfoils available diski .wlthfrequires VGA raplics adapter FOILED AGAIN! Version 20 $5995 MA lUNG INCLUDED CA RESIDENTS ADD TAX PLEASE SPECIFY PREFERRED DISK SIZE MAKE CHECK OR MONEY ORDER PAYABLE TO 619 7924021 CYGNET Software 3525 Del Mar Heights Road Box 237B San Diego CA 92130 January1994 113 FOX QUIET MUFFLERS Fit Fox B & C frame 40 45 50 Steady 89 db noise level Available soon Fox 60 74 SN U F-FLERTM MUFFLER patented $2495 CAT NO BOO model aviation magazines published since 1931 has indexed very small fee Dick will locate model will photocopy article can enlarge magazine plans original articles has extensive library full-size model plans can copy including American Aircraft Modeler Air Trails Hobby Helpers Catalogs include Published Nonscale Model Plans includes categories $5 postpaid US Canada Scale catalog $275 US Canada Gold Book Model Plans Golden Age Aeromodeling further breaks catalogs down categories nonscale free flight nonscale gliders control line etc Anyway next time want know get copy some old article write him sold magazine collection make room build some models lopelByors Continued page 113 Interior wing two ballast tubes aluminum also act strengthening spars ballast tubes also allow model carry internal wing over CG six pounds lead shot extra windy conditions hinge ailerons elevator V2 employed Fourmost Snap Tight Hinges Buried wings two JR-341 servos aileron control Steve using JR X-347 transmitter talking JR 627 receiver control V2 has wingspan 90 inches 55-inches long wings also have total area 580 square inches carry aspect ratio 131 provide pitch stability stabilizer has area 95 square inches hung fairly long moment armas can see picture An Eppler 374 airfoil used generate lift wing horizontal stabilizer uses NACA 63010 airfoil counter mildly negative CMO 374 Velocity Squared designed varied wind conditions ability add weight allows penetrate URY JET MODELS INC 8 Martha Ct8305 Regency Woods Way Sumter SC 29150Louisville KY 40220 803 775-6491502491-4114 RETRACT SELECTOR SPEED CONTROL VALVE Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 xls 1-1/4$2495 Wt 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Exhaust System eac F-i 00 F-100 Hun basic kit $18999 - 1/8 Scale 50 Removable Wings th 63 Sport Hawk MK II basic kit $18988 - Easy build Removable wing Length 59 F-los Thunderchief basic kit $23900 - Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW - 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 vable 61 Wings LE/TE flaps - DelUxe kit DC wood I/B pylons CF kit plus Landing gear tires brakes available COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREEComplete Air System Stainless Torque LinksAsle Installed Different strut configurations Parts Service 1 Year Limited Warranty 30 Day Ftefundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-SO lb aircraft 2 sets 1 Standard 900 minutes 7Q0 1100 retract angle Over-center lock down Nose gear available $27500 pair Wt 15 lbs SCALE MAIN RETRACTS STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C li Bud Nosen pius Choice 91 Plyon Winners les 20-25 lb aircraft 840970 retract angle Optional wire struts Positive lock up lock down Nose gear available $19900 pair Wt 22oz NEW 1/5 SCALE P51 & SPITFIRE products proudly MADE IN THE USA Our Smoker Preheaters Are Twice As Effective As Head Coils MAKES 4~O5f7 GREAT HOLIDA Y GIFT AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 57 BAXLEY GA 31513 Fax912367-3577 January1994 121 Money Back Guaranteed mA AVAILABLL & 4-Cycle 50 & up B & M MODEL Co w0 Visa Mastercard & American Express ccepted REHYS QUALITY MODEL PRODUCTS GIANT SCALE SPECIALISTS Zenoah Quadra Sales Parts Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Kinner -Tmylorcraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 DELUXE Err INCITJDES PHEASSEMBLEI FUSELAGE SIDE FRAMES FORMERS ENG MNT ASSY WELDED LG TAIL WHEEL ASSY CUT/SHAPED RIDS SPARS PLY BRACES LEADING & TRAILING EDGES LAMINATED WINO TIPS FIN STAB DETAILED BUILDING INSTRUCTIONS ADD $695 SHIPPING/HANDLING UT 1565 ADD 625% TAX FLYROD $69 & H Span51 Area 790 sqin 32-40 Radio 4 ch ht 2 2 1/2 lbs. Ultimate Fun-Fly Machine udes covering & Hardware pkg. throttle flights NO flutterl s Bests qm Ordera Call 1-800-645-KITS information Call eaa-445-1 122 P0 Eon 771 GENERIX East windsor NJ eese Tomorrows Kits Affordable Priceal Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses visaBJrn/c ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 winds 60 mph unloaded model can fly face slopes 15 mph wind capable aerobatics maybe precision aerobatics justgood-fun sport aerobatics Airfoil Month months airfoil used V2 elevator excellent choice stabilizer vertical-fin section section thick enough allow build strong high-wind conditions thin enough penalize overall performance model NACA 63010 also quiet section wont produce ultra-sensitive response control inputs resulting twitchy-feeling airplane Rather 63010 will give good control response provides model designed properly smooth flowing feeling pilot Try think youll like months column good Let know Im doing Theres always room improvement Good flying YOU DONT CONNECTS IN SECONDS CHECKS ALL RADI COMPONENTS BEFORE ITs TOO LATE FASTER AND BETTER SERVO INSTALLATION- LONGER RUNNING TIME MORE RADIO & MODEL LIFE MAXIMUM PERFORMANCE & MAXIMUM SAFErY FOR YOUR VALUABLE MODEL- SAVE $1000s Novice Pro-Any RIC Model aider ar tar mare inta merda SA5 _______ _____ PO Box 220762 Santa CIata CA 9 1322 122 Model Aviation WAYNE R/C Model Hobby Over 50000 Sq Ft space available BOAT POND @ CARPET TRACK @ TRUCK PULLS 1st Place Plaques Static Displays Information Call Bob Parker Garry Geiselman 219-483-6144 219-482-3448 h Ihe colortul ee bee L tirst ot th barrel-shaped racers constructed Granville Brothers Springfield Massachusetts During 1931 won five races including prestigious Thompson Trophy Cleveland Ohio National Air Races Z also direct forerunner famous Gee Bee R-1 R-2 FEATURES TWO TYPES OF COWLINGS TYPES OF WHEELS HARD AND FLEXIBLE TIRES AILED INTERIOR SEND SASE FOR FREE ILLUSTRATED ORDER FORMDEPT MA ______________ 181 PAWNEE ST SAN MARCOS CALIFORNIA 92069 BACKYARD MICROFLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY _wwllIY3YII Albalens DlF4F Wildcat ME-lid Fobbee DVIIF6F Helical ME262 Fok TeiplasseFW-190A Mit zeco SE SAHaw Hareicatte P-470 Thunderbolt Sopseith CamelHeinkel He-Ill P51B Mustang SPADJunkers 10-855 Spilijee Balsa Print Wood 6-8 Wing Spans Price 5285 S&H $250 Any Oly check ne Money Oeder OnlyFantasy Flyers Na CODsPO Ben 430 NYheesidentsadd slestasFarnsingville NY 11735-0430
Edition: Model Aviation - 1994/01
Page Numbers: 102, 103, 109, 112, 113, 121, 122
RADIO CONTROL SLOPE SOARING PICTURES MOTIVATE MODELERS build fly buy model aircraft also fun look tell mind Slope Soaring column month will filled pictures space allows hope enjoy pictorial picture biased point view two beautiful ladies holding fun wingeron sloper Oakland Model Academy As may have guessed beauty left daughter Bess right holding Ultra GP friend Michelle Lenseigne Both girls excited about getting pictures taken glider magazine Excitement what motivates young people become preoccupied sport hobbywouldnt agree So guys look outthese young ladies part new generation will competitors some day soon like promoting junior enthusiasts helping help hobby grow will send picture favorite junior slopers maybe can get Model Aviation will fun us assuredly Now about Ultra GP GP built new name glider manufacturing business Mr George Hunter Georges company Oakland Model Academy new model George features faint heart designed individuals wanting push envelope advancedaerobatics slope soarer high-rollrate aircraft capable penetrating wind pushed Ultra GP features hollow-core all-molded wing set fuselage constructed epoxy glass five ounces Kevlar reinforcing tail section constructed balsa sheet arrives 98%-complete model sanded ready fly nice features Ultra GP wing drive mechanism drive mechanism absent normal drive pins Instead driven machined bellcranks lock directly wingpivot tubes Therefore drive pins cannot become worn resulting slop reduced wing incidence return accuracy wing drive mechanism also facilitates large wing-travel volumes As result model can produce superb roll rates pilot enjoyment An area George recognized addressed design Ultra GP durability says GP engineered survive rigors slope flying little model tough Kevlar fuselage layup certainly adds toughness Airfoil month NACA 63010 102 Model Aviation Cope launches T-53B 1280 feet above Yakima Valley Site Kiona Butte approximately 10 miles west Richiand Washington Longtime glider enthusiast Randy Holzapple Spitfire Model Bess Myers Michelle Lenseigne capableofknife-edgeflight Ultra GP atop Candy Mountain overlooking Columbia River Author launches Fred Chinas AKS-13 its maiden flight Eagle Butte Valley floor approximately 500 feet below Steve Sharpe poses new V2 Model will fly 15-60 mph winds JR X-347 radio wings molded such manner leading edges quite tough Specifications Wingspan Length Wing Area Weight RTF Wing Loading Airfoils 553/s inches 33 inches 311 square inches 24 27 ounces 111 to 125 ounces per square foot Mod SD8000/SD7003 George pricing Ultra GP $300 Considering quality level completion GP good price model arrives doorstep needing radio installed requiring balance before its first flight George has colored bottom wings differently top blur rolls pilot will better able tell side No really wings colored better visibility relieve having paint Also color added epoxy saves weight associated painting model GP good flier really does carve graceful turns track smoothly As smaller models though does get buffeted turbulence However model can accelerate need speed arisesand can save wind brisk heavy looking very nice wingpivot slope soarer requires least assembly time great flier Oakland Model Academy can get flying RC slope hurry Gene Cope name Scale enthusiasts already know character own right friend great model maker Gene has also recently completed flown scratch-built Y5scale Slingsby 1-53 B unusual aircraft Gene describes reason chose design Nonetheless T-53 B excellent Scale model Gene has provided statistics T-53 B might interested First wingspan 1-53 1 l3/2 inches wing also has constant chord seven inches utilizes lift generated Quabeck 3Q135 airfoil designation denotes airfoil has 3% camber 135% chord thick Note too total dihedral wing panel 30 sweep forward angle 50 Gene molded carbon-fiber spar system wing sheeted wings obechi wood using epoxy bond skins foam core stabilizer T-53 B 22 inches long has inch chord Also stabilizer full-flying configuration ailerons flaps Fourmost Products Snap Tight Hinges employed 1-53 fuselage home-brewed foam-evacuation type construct fuselage Gene carved foam plug covered fiberglass epoxy after layup cured foam eaten out interior lacquer thinner neat trick building fuselages often overlooked would-be builders Gene tells us used two layers 316-ounces-persquare-yard fiberglass boom tail fin additional layer glass nose area flight analysis 1-53 B Gene says 1-53 flies great CG quite critical because 1-53 somewhat difficult balance due forward sweep wing because first flights spent adjusting balance proper trimmed flight Gene adds Using Quabeck 30 also lets model penetrate yet climb lift fast nose lowered also want share picture myself launching Fred Chinas ASK-13 slope lift Eagle Butte maiden flight ASK-13 Fred relegated duties piloting Pete Marshallwith managing windy launch picture doesnt show model climbing right out hand Continued page 109 January1994 103 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWIN-AIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FLYiNG AND HANDLING AEROBATIC CAPABILI TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES ITS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length 43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions 4 Channel An interesting line fun scale plans being offered Gus Morfis 4709 Green Meadows Avenue Torrance CA 90505-5679 Primarily WW II fighters Y12-scale designed around 15 20 two-stroke glow engines Gus plans will produce models IightweighL originally intended RC combat aircraft show no provision landing modelers build airplanes enjoying lightly loaded flying characteristics everyday sport flying models resemble fullscale subjects Right now can choose Grumman F8F Bearcat P-47D Thunderbolt Messerschmitt Me-109 F/G Focke-Wulf Fw l9OAIFW-l9ODrrA-152C Curtiss P-40B Tomahawk Mitsubishi A6M Zero Lavochkin La-S La-7 Macchi C202 Hawker Typhoon venerable Hawker Hurricane models span 32 inches 411/2 inches plans clearly indicate outlines ribs bulkheads formers needed get job done Contact Gus Morfis specific information regarding plan price availability Some months ago mentioned interest spending some time keyboard correctly puck digitizing tablet learn about ModelCad DesignCad 2-D software programs Well still have found time accumulate enough proficiency discuss programs authority far tremendous amount fun explore addition American Small Business Computers Inc CAD programs have also obtained set three instructional RC SlopelByers Continued page 103 needed somewhat push get its airspeed up however once left hand Pete able easily find lift altitude -scale Vintage soarer Also notice pilot figures added realism Scale flight ASK-13 constructed Fred weighed 17 pounds 17-pound weight resulted wing loading 23 ounces per square foot didnt video tapes Design Cad 2-D ViaGrafix ViaGrafix 31 South Adair Pryor OK 74361 ASBC American Way Pryor OK 74361 greater skill hand promise write about made-for-modeling software Leo Opdykes World War IAeroplanes question finest information sources WW aircraft face planet After previous mention CAD systems received nice note Leo calling attention World War Aero s Issue #138 pages 9 1-97 excellent article computer software program lets develop accurate three-views photographs Leo says system should interest modelers everywhere truly works its its kind Back issues available $4 writing World War Aeroplanes Inc 15 Crescent Road Poughkeepsie NY 12601 Getting issue #138 will pleasant experience sure interested early aeroplanes yet subscribe publication consider doing Numerous issues World War IAero better have missing something would look forward receiving issue Next time Ill match specific threeview color scheme Aeroplane Works Fokker DVII kit Ill explain some modifications will made produce accurate model excellent basic plans Rich Uravitch drew exciting fun-scale project Until build straight fly safely Ill talk again ct models performance did however increase models flying speed its overall penetration Nonetheless ASK-13 was/is super soarer capable both soaring flight slope flying Additionally ASK- 13 sported four-meter span scratch-built using Cliff Charlesworth plans guide wings built-up construction covered Solartech fabric covering painted Fred says wings very conventional construction although strengthened spar system Continued page 112 #101 Extra Hands below Makes covering easy Digger ieff Easiest use hinging tooi avaliabie $335 ELDON J LIND COMPANY 3151 Caravelle Dr Lake Havas City AZ 86406 602 453-7970 Send sell-addressed stamped envelope catalog ol producls M/C & Visa accepted January1994 109 FOR SERIOUS MODEl El flfl wSt euy munIate straight Without access #500A $10885 access #SOOB $191 AO #202 Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 Single cyimech advance system-$6700 Twin cyimech advance system --$9600 features two rww uij y8tSlflb .nuu w uuuuipleat electronic Single cylstep advance system---$8700 package jor mechanical advance systems ft will Twin cylstep advance system---$1 1600 replace other popular systems give great Single cylelectronic adv system-$1 1200 relIability other return step unIt Twin cylelectronic adv systern---$1 4100 two position RPM controlled advance system Switch harness Deans plug $1100 order keep costs line present times Stitt M-80 Plug 1/4-32 --- $1100 wilts will offered less switch harness Shipping ---------- 0 systems feature diode battery protection rag 2nd day air ulated pow supply regulated low battery draw scadentally high RPM reduced RFI emission wimpy units featize fLu power will fire twins needing five cell battery quality inside Afl Custom Qadles Feature Custom molded gray tubing--no ugly fittings Special neoprene loam--impervious fuel Oil Folds easy storage Custom design built last Ready useno building Easily adlusted 3177 East Fot LoweR Road #1 Tucson Arizona 85716 Call today order 1-800-CRADLE-a 272-3530 1-oAt Tall Boy Custom Cradles Tall Boy Large25 tall 26 long 5 5 wide fuselage- $4090 Tall Boy Standard--32 tall 22 long 3to 5 wide luselage- $3890 Tall Boy X-Large26 tall 28 long a-to i 2 wide fuselage $4290 best IlevJ EVEE T&lVS&a La Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage---- $2490 Lo Boy Large14 tall 26 long 5toB wide luselage $2890 Lo Boy X-Large--16 tall 28 long 5to 12widelusslage- $3t90 HANDS ON PRO-BOW THIS UNIQUE DEVICE ALLOWS YOU TO CUT ACCU RATE WING CORES WITHOUT EXPENSIVE AND COMPLICATED EOUIPMENT WITH THE PRO-BOW THE CUTTING WIRE IS GUIDED DIRECTLY AT THE TEMPLATES BY HAND HELD INSULATOR CLIPS THE HEAVY-DUTY CONSTRUCTION GIVES GOOD FEEL TO THE BOW AND WITH THE ADJUSTABLE HEAT PROBE THE WIRE TEMPERATURE CAN BE CONTROLLED FOR PERFECT CUTTING RESULTS sale $4295 WORKS DIRECTLY OFF OF 12 VOLT BATTERY OR 10 AMP BATTERY CHARGER S COMPLETELY ASSEMBLED STRAIGHT OR TAPERED CORES IAL PASSIVE RESISTANCE CUTTING WIRE LATED STEEL FRAME CUTTING TECHNIDUES ATING INSTRUCTIONS INCLUDED UP TO 41 SEND $500 FOR 60 PAGE CATALOG VISA & MASTERCARD ACCEP TEDADD $500 SHIPPING IN USAIL RESIDENTS ADD 7% TAX WING MFG 306 E SIMMONS GALESBURG IL 61401 CALL 309-342 -3009 RC Slope/Byors Continued page 109 accommodate extra weight Interestingly design according Cliff slated come eight pounds much lighter wing loading Fred made some modifications model better suited slope environment retaining good thermaling capability thus 17 pounds fuselage ASK-13 also built-up construction formers stringers sheeted t/ts balsa After balsa sheeting applied Fred requisitioned help Pete Marshall cover fuselage -ounce-per-squareyard fiberglass fabric Fred detailed epoxy paint also finished cockpit two -scale pilots instrument panels controls ASK-13 nicely built model us would proud have constructed controls ASK ailerons elevator rudder spoilers familiar Power Slope Scale PSS models simply slope gliders built replicas powered aircraft form slope soaring said have originated England Im sure British really have leg up us thing sure first form association recognize format association Power Slope Scale Association PSSA founded Alan Hulme Needless say movement has grown now RC modelers converting powered models building PSS models attack slopes everywhere interested finding out what happening way PSS might want join PSSA PSSAs newsletter 112 Model Aviation NEW FOX 25BB SCHNEURLE Mark X Carburetor Muffler Included Cylinder can face right left rear R/C C/L Versions U FOX FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501-646-1656 501-646-1757 MADE IN AMERICA FOX NEW ULTRA E-Z CARBURETOR Single needle adjustment Air bleed idle Excellent transition Fits Fox C frame 45 thru 74 Smaller sizes available later SMART CHAMPIONS FLYFOXnow produced Michael Kitchen has informative little newsletter will receive member newsletter mostly covers what happening Europe however also excellent source information P55 enthusiasts interested write Michael Kitchen Tall Timbers Sutton-on-the-Forest York Y06-1DY England Randy Hoizapple another PSS enthusiast pictured holding Vickers Supermarine Spitfire model also power conversion PSS utilized ailerons elevator rudder control capable aerobatics Randy gave demonstration Spitfires aerobatic capability performing some knife-edge flight following dive speed could also four-point rolls Spitfire wasnt terribly fast appeared quite enjoyable fly because wasnt twitchy did what told command Randy interested either models send SASE will provide Drews Randys addresses both avid enthusiasts would likely share information have last model pictorial model owned good friend Steve Sharpe Steves model design generated quite some time ago called Velocity Squared original model span 48 inches However ate lots slope lift over years grew bigger version Steve now flying Steves V2 constructed entirely fiberglass Kevlar has molded fuselage fin wings stabilizer foam core vacuum-bagged fiberglass Additionally wings stabilizer reinforced unidirectional carbon fiber Continued poge 121 SAVE YOUR FIELD SNUF-LER muffler isa low cost easy install lightweight sound reducing ler no performance penalty answer AMA muffler rule suggestions saving flying fIelds Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possIble 300-500 RPM Increase Improves engine idle s better fuel economy Easily attached 25-108 stock mufflers Neal corrosion resistant Slack E coat finish No special adapters required Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipmesf Check MO Visa MC CODSEND 2SF STAMP accepted Add 52SOfor UPS $2OOfor COD 6%edestaoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG All-new version FOILED AGAIN! now available plot IRF~IL S printer. O BLEND different airfoils wing root tip Cl BROWSE through dozens airfoils ON SCREENI* O Import WEW airfoils other airfoil plot programs Cl Enjoy point-and-click file selection loading O Plot loft-hand right-hand airfoils bothi Cl Graphically modify airfoil shapes ON SCREENI* O Enter own data quickly easily or. O Select hundreds airfoils available diski .wlthfrequires VGA raplics adapter FOILED AGAIN! Version 20 $5995 MA lUNG INCLUDED CA RESIDENTS ADD TAX PLEASE SPECIFY PREFERRED DISK SIZE MAKE CHECK OR MONEY ORDER PAYABLE TO 619 7924021 CYGNET Software 3525 Del Mar Heights Road Box 237B San Diego CA 92130 January1994 113 FOX QUIET MUFFLERS Fit Fox B & C frame 40 45 50 Steady 89 db noise level Available soon Fox 60 74 SN U F-FLERTM MUFFLER patented $2495 CAT NO BOO model aviation magazines published since 1931 has indexed very small fee Dick will locate model will photocopy article can enlarge magazine plans original articles has extensive library full-size model plans can copy including American Aircraft Modeler Air Trails Hobby Helpers Catalogs include Published Nonscale Model Plans includes categories $5 postpaid US Canada Scale catalog $275 US Canada Gold Book Model Plans Golden Age Aeromodeling further breaks catalogs down categories nonscale free flight nonscale gliders control line etc Anyway next time want know get copy some old article write him sold magazine collection make room build some models lopelByors Continued page 113 Interior wing two ballast tubes aluminum also act strengthening spars ballast tubes also allow model carry internal wing over CG six pounds lead shot extra windy conditions hinge ailerons elevator V2 employed Fourmost Snap Tight Hinges Buried wings two JR-341 servos aileron control Steve using JR X-347 transmitter talking JR 627 receiver control V2 has wingspan 90 inches 55-inches long wings also have total area 580 square inches carry aspect ratio 131 provide pitch stability stabilizer has area 95 square inches hung fairly long moment armas can see picture An Eppler 374 airfoil used generate lift wing horizontal stabilizer uses NACA 63010 airfoil counter mildly negative CMO 374 Velocity Squared designed varied wind conditions ability add weight allows penetrate URY JET MODELS INC 8 Martha Ct8305 Regency Woods Way Sumter SC 29150Louisville KY 40220 803 775-6491502491-4114 RETRACT SELECTOR SPEED CONTROL VALVE Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 xls 1-1/4$2495 Wt 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Exhaust System eac F-i 00 F-100 Hun basic kit $18999 - 1/8 Scale 50 Removable Wings th 63 Sport Hawk MK II basic kit $18988 - Easy build Removable wing Length 59 F-los Thunderchief basic kit $23900 - Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW - 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 vable 61 Wings LE/TE flaps - DelUxe kit DC wood I/B pylons CF kit plus Landing gear tires brakes available COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREEComplete Air System Stainless Torque LinksAsle Installed Different strut configurations Parts Service 1 Year Limited Warranty 30 Day Ftefundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-SO lb aircraft 2 sets 1 Standard 900 minutes 7Q0 1100 retract angle Over-center lock down Nose gear available $27500 pair Wt 15 lbs SCALE MAIN RETRACTS STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C li Bud Nosen pius Choice 91 Plyon Winners les 20-25 lb aircraft 840970 retract angle Optional wire struts Positive lock up lock down Nose gear available $19900 pair Wt 22oz NEW 1/5 SCALE P51 & SPITFIRE products proudly MADE IN THE USA Our Smoker Preheaters Are Twice As Effective As Head Coils MAKES 4~O5f7 GREAT HOLIDA Y GIFT AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 57 BAXLEY GA 31513 Fax912367-3577 January1994 121 Money Back Guaranteed mA AVAILABLL & 4-Cycle 50 & up B & M MODEL Co w0 Visa Mastercard & American Express ccepted REHYS QUALITY MODEL PRODUCTS GIANT SCALE SPECIALISTS Zenoah Quadra Sales Parts Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Kinner -Tmylorcraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 DELUXE Err INCITJDES PHEASSEMBLEI FUSELAGE SIDE FRAMES FORMERS ENG MNT ASSY WELDED LG TAIL WHEEL ASSY CUT/SHAPED RIDS SPARS PLY BRACES LEADING & TRAILING EDGES LAMINATED WINO TIPS FIN STAB DETAILED BUILDING INSTRUCTIONS ADD $695 SHIPPING/HANDLING UT 1565 ADD 625% TAX FLYROD $69 & H Span51 Area 790 sqin 32-40 Radio 4 ch ht 2 2 1/2 lbs. Ultimate Fun-Fly Machine udes covering & Hardware pkg. throttle flights NO flutterl s Bests qm Ordera Call 1-800-645-KITS information Call eaa-445-1 122 P0 Eon 771 GENERIX East windsor NJ eese Tomorrows Kits Affordable Priceal Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses visaBJrn/c ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 winds 60 mph unloaded model can fly face slopes 15 mph wind capable aerobatics maybe precision aerobatics justgood-fun sport aerobatics Airfoil Month months airfoil used V2 elevator excellent choice stabilizer vertical-fin section section thick enough allow build strong high-wind conditions thin enough penalize overall performance model NACA 63010 also quiet section wont produce ultra-sensitive response control inputs resulting twitchy-feeling airplane Rather 63010 will give good control response provides model designed properly smooth flowing feeling pilot Try think youll like months column good Let know Im doing Theres always room improvement Good flying YOU DONT CONNECTS IN SECONDS CHECKS ALL RADI COMPONENTS BEFORE ITs TOO LATE FASTER AND BETTER SERVO INSTALLATION- LONGER RUNNING TIME MORE RADIO & MODEL LIFE MAXIMUM PERFORMANCE & MAXIMUM SAFErY FOR YOUR VALUABLE MODEL- SAVE $1000s Novice Pro-Any RIC Model aider ar tar mare inta merda SA5 _______ _____ PO Box 220762 Santa CIata CA 9 1322 122 Model Aviation WAYNE R/C Model Hobby Over 50000 Sq Ft space available BOAT POND @ CARPET TRACK @ TRUCK PULLS 1st Place Plaques Static Displays Information Call Bob Parker Garry Geiselman 219-483-6144 219-482-3448 h Ihe colortul ee bee L tirst ot th barrel-shaped racers constructed Granville Brothers Springfield Massachusetts During 1931 won five races including prestigious Thompson Trophy Cleveland Ohio National Air Races Z also direct forerunner famous Gee Bee R-1 R-2 FEATURES TWO TYPES OF COWLINGS TYPES OF WHEELS HARD AND FLEXIBLE TIRES AILED INTERIOR SEND SASE FOR FREE ILLUSTRATED ORDER FORMDEPT MA ______________ 181 PAWNEE ST SAN MARCOS CALIFORNIA 92069 BACKYARD MICROFLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY _wwllIY3YII Albalens DlF4F Wildcat ME-lid Fobbee DVIIF6F Helical ME262 Fok TeiplasseFW-190A Mit zeco SE SAHaw Hareicatte P-470 Thunderbolt Sopseith CamelHeinkel He-Ill P51B Mustang SPADJunkers 10-855 Spilijee Balsa Print Wood 6-8 Wing Spans Price 5285 S&H $250 Any Oly check ne Money Oeder OnlyFantasy Flyers Na CODsPO Ben 430 NYheesidentsadd slestasFarnsingville NY 11735-0430
Edition: Model Aviation - 1994/01
Page Numbers: 102, 103, 109, 112, 113, 121, 122
RADIO CONTROL SLOPE SOARING PICTURES MOTIVATE MODELERS build fly buy model aircraft also fun look tell mind Slope Soaring column month will filled pictures space allows hope enjoy pictorial picture biased point view two beautiful ladies holding fun wingeron sloper Oakland Model Academy As may have guessed beauty left daughter Bess right holding Ultra GP friend Michelle Lenseigne Both girls excited about getting pictures taken glider magazine Excitement what motivates young people become preoccupied sport hobbywouldnt agree So guys look outthese young ladies part new generation will competitors some day soon like promoting junior enthusiasts helping help hobby grow will send picture favorite junior slopers maybe can get Model Aviation will fun us assuredly Now about Ultra GP GP built new name glider manufacturing business Mr George Hunter Georges company Oakland Model Academy new model George features faint heart designed individuals wanting push envelope advancedaerobatics slope soarer high-rollrate aircraft capable penetrating wind pushed Ultra GP features hollow-core all-molded wing set fuselage constructed epoxy glass five ounces Kevlar reinforcing tail section constructed balsa sheet arrives 98%-complete model sanded ready fly nice features Ultra GP wing drive mechanism drive mechanism absent normal drive pins Instead driven machined bellcranks lock directly wingpivot tubes Therefore drive pins cannot become worn resulting slop reduced wing incidence return accuracy wing drive mechanism also facilitates large wing-travel volumes As result model can produce superb roll rates pilot enjoyment An area George recognized addressed design Ultra GP durability says GP engineered survive rigors slope flying little model tough Kevlar fuselage layup certainly adds toughness Airfoil month NACA 63010 102 Model Aviation Cope launches T-53B 1280 feet above Yakima Valley Site Kiona Butte approximately 10 miles west Richiand Washington Longtime glider enthusiast Randy Holzapple Spitfire Model Bess Myers Michelle Lenseigne capableofknife-edgeflight Ultra GP atop Candy Mountain overlooking Columbia River Author launches Fred Chinas AKS-13 its maiden flight Eagle Butte Valley floor approximately 500 feet below Steve Sharpe poses new V2 Model will fly 15-60 mph winds JR X-347 radio wings molded such manner leading edges quite tough Specifications Wingspan Length Wing Area Weight RTF Wing Loading Airfoils 553/s inches 33 inches 311 square inches 24 27 ounces 111 to 125 ounces per square foot Mod SD8000/SD7003 George pricing Ultra GP $300 Considering quality level completion GP good price model arrives doorstep needing radio installed requiring balance before its first flight George has colored bottom wings differently top blur rolls pilot will better able tell side No really wings colored better visibility relieve having paint Also color added epoxy saves weight associated painting model GP good flier really does carve graceful turns track smoothly As smaller models though does get buffeted turbulence However model can accelerate need speed arisesand can save wind brisk heavy looking very nice wingpivot slope soarer requires least assembly time great flier Oakland Model Academy can get flying RC slope hurry Gene Cope name Scale enthusiasts already know character own right friend great model maker Gene has also recently completed flown scratch-built Y5scale Slingsby 1-53 B unusual aircraft Gene describes reason chose design Nonetheless T-53 B excellent Scale model Gene has provided statistics T-53 B might interested First wingspan 1-53 1 l3/2 inches wing also has constant chord seven inches utilizes lift generated Quabeck 3Q135 airfoil designation denotes airfoil has 3% camber 135% chord thick Note too total dihedral wing panel 30 sweep forward angle 50 Gene molded carbon-fiber spar system wing sheeted wings obechi wood using epoxy bond skins foam core stabilizer T-53 B 22 inches long has inch chord Also stabilizer full-flying configuration ailerons flaps Fourmost Products Snap Tight Hinges employed 1-53 fuselage home-brewed foam-evacuation type construct fuselage Gene carved foam plug covered fiberglass epoxy after layup cured foam eaten out interior lacquer thinner neat trick building fuselages often overlooked would-be builders Gene tells us used two layers 316-ounces-persquare-yard fiberglass boom tail fin additional layer glass nose area flight analysis 1-53 B Gene says 1-53 flies great CG quite critical because 1-53 somewhat difficult balance due forward sweep wing because first flights spent adjusting balance proper trimmed flight Gene adds Using Quabeck 30 also lets model penetrate yet climb lift fast nose lowered also want share picture myself launching Fred Chinas ASK-13 slope lift Eagle Butte maiden flight ASK-13 Fred relegated duties piloting Pete Marshallwith managing windy launch picture doesnt show model climbing right out hand Continued page 109 January1994 103 YES THE TWIN-AIR 20 IS HERE AT LAST YES THE TWiN-AIR 20 REALLY CAN BE CONTROLLED ON JUST ONE ENGINE YES THE TWIN-AIR 20 OFFERS THE SAME HIGH QUALITY PERFOR MANCE EASE OF FLYiNG AND HANDLING AEROBATIC CAPABILI TIES FUN TO BUILD AND FUN TO FLY FEATURES FOUND IN ALL NORTHEAST AERODYNAMIC KITS THE TRAIN-AIRS BEL-AIRS AND SPORT AIR YES ITS FROM . NORTHEAST AERODYNAMICS INC 4 NORTHEAST AERODYNAMICS INC 150 ROBINSON ROAD ON NH 03051 881-5899 Specifications Engine Requirement -Two 20-30 Wing Span 58 Wing Area 625 Sq 434 Sq Fuselage Length 43 Fuselage Width 35 Overall Weight Range 55 65 pounds Wing Loading Range 195 239 Sq Ft Radio Functions 4 Channel An interesting line fun scale plans being offered Gus Morfis 4709 Green Meadows Avenue Torrance CA 90505-5679 Primarily WW II fighters Y12-scale designed around 15 20 two-stroke glow engines Gus plans will produce models IightweighL originally intended RC combat aircraft show no provision landing modelers build airplanes enjoying lightly loaded flying characteristics everyday sport flying models resemble fullscale subjects Right now can choose Grumman F8F Bearcat P-47D Thunderbolt Messerschmitt Me-109 F/G Focke-Wulf Fw l9OAIFW-l9ODrrA-152C Curtiss P-40B Tomahawk Mitsubishi A6M Zero Lavochkin La-S La-7 Macchi C202 Hawker Typhoon venerable Hawker Hurricane models span 32 inches 411/2 inches plans clearly indicate outlines ribs bulkheads formers needed get job done Contact Gus Morfis specific information regarding plan price availability Some months ago mentioned interest spending some time keyboard correctly puck digitizing tablet learn about ModelCad DesignCad 2-D software programs Well still have found time accumulate enough proficiency discuss programs authority far tremendous amount fun explore addition American Small Business Computers Inc CAD programs have also obtained set three instructional RC SlopelByers Continued page 103 needed somewhat push get its airspeed up however once left hand Pete able easily find lift altitude -scale Vintage soarer Also notice pilot figures added realism Scale flight ASK-13 constructed Fred weighed 17 pounds 17-pound weight resulted wing loading 23 ounces per square foot didnt video tapes Design Cad 2-D ViaGrafix ViaGrafix 31 South Adair Pryor OK 74361 ASBC American Way Pryor OK 74361 greater skill hand promise write about made-for-modeling software Leo Opdykes World War IAeroplanes question finest information sources WW aircraft face planet After previous mention CAD systems received nice note Leo calling attention World War Aero s Issue #138 pages 9 1-97 excellent article computer software program lets develop accurate three-views photographs Leo says system should interest modelers everywhere truly works its its kind Back issues available $4 writing World War Aeroplanes Inc 15 Crescent Road Poughkeepsie NY 12601 Getting issue #138 will pleasant experience sure interested early aeroplanes yet subscribe publication consider doing Numerous issues World War IAero better have missing something would look forward receiving issue Next time Ill match specific threeview color scheme Aeroplane Works Fokker DVII kit Ill explain some modifications will made produce accurate model excellent basic plans Rich Uravitch drew exciting fun-scale project Until build straight fly safely Ill talk again ct models performance did however increase models flying speed its overall penetration Nonetheless ASK-13 was/is super soarer capable both soaring flight slope flying Additionally ASK- 13 sported four-meter span scratch-built using Cliff Charlesworth plans guide wings built-up construction covered Solartech fabric covering painted Fred says wings very conventional construction although strengthened spar system Continued page 112 #101 Extra Hands below Makes covering easy Digger ieff Easiest use hinging tooi avaliabie $335 ELDON J LIND COMPANY 3151 Caravelle Dr Lake Havas City AZ 86406 602 453-7970 Send sell-addressed stamped envelope catalog ol producls M/C & Visa accepted January1994 109 FOR SERIOUS MODEl El flfl wSt euy munIate straight Without access #500A $10885 access #SOOB $191 AO #202 Duplicator Contour Sander Turn out beautiful edges Simple easy Standard $2055 xe $5955 Single cyimech advance system-$6700 Twin cyimech advance system --$9600 features two rww uij y8tSlflb .nuu w uuuuipleat electronic Single cylstep advance system---$8700 package jor mechanical advance systems ft will Twin cylstep advance system---$1 1600 replace other popular systems give great Single cylelectronic adv system-$1 1200 relIability other return step unIt Twin cylelectronic adv systern---$1 4100 two position RPM controlled advance system Switch harness Deans plug $1100 order keep costs line present times Stitt M-80 Plug 1/4-32 --- $1100 wilts will offered less switch harness Shipping ---------- 0 systems feature diode battery protection rag 2nd day air ulated pow supply regulated low battery draw scadentally high RPM reduced RFI emission wimpy units featize fLu power will fire twins needing five cell battery quality inside Afl Custom Qadles Feature Custom molded gray tubing--no ugly fittings Special neoprene loam--impervious fuel Oil Folds easy storage Custom design built last Ready useno building Easily adlusted 3177 East Fot LoweR Road #1 Tucson Arizona 85716 Call today order 1-800-CRADLE-a 272-3530 1-oAt Tall Boy Custom Cradles Tall Boy Large25 tall 26 long 5 5 wide fuselage- $4090 Tall Boy Standard--32 tall 22 long 3to 5 wide luselage- $3890 Tall Boy X-Large26 tall 28 long a-to i 2 wide fuselage $4290 best IlevJ EVEE T&lVS&a La Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage---- $2490 Lo Boy Large14 tall 26 long 5toB wide luselage $2890 Lo Boy X-Large--16 tall 28 long 5to 12widelusslage- $3t90 HANDS ON PRO-BOW THIS UNIQUE DEVICE ALLOWS YOU TO CUT ACCU RATE WING CORES WITHOUT EXPENSIVE AND COMPLICATED EOUIPMENT WITH THE PRO-BOW THE CUTTING WIRE IS GUIDED DIRECTLY AT THE TEMPLATES BY HAND HELD INSULATOR CLIPS THE HEAVY-DUTY CONSTRUCTION GIVES GOOD FEEL TO THE BOW AND WITH THE ADJUSTABLE HEAT PROBE THE WIRE TEMPERATURE CAN BE CONTROLLED FOR PERFECT CUTTING RESULTS sale $4295 WORKS DIRECTLY OFF OF 12 VOLT BATTERY OR 10 AMP BATTERY CHARGER S COMPLETELY ASSEMBLED STRAIGHT OR TAPERED CORES IAL PASSIVE RESISTANCE CUTTING WIRE LATED STEEL FRAME CUTTING TECHNIDUES ATING INSTRUCTIONS INCLUDED UP TO 41 SEND $500 FOR 60 PAGE CATALOG VISA & MASTERCARD ACCEP TEDADD $500 SHIPPING IN USAIL RESIDENTS ADD 7% TAX WING MFG 306 E SIMMONS GALESBURG IL 61401 CALL 309-342 -3009 RC Slope/Byors Continued page 109 accommodate extra weight Interestingly design according Cliff slated come eight pounds much lighter wing loading Fred made some modifications model better suited slope environment retaining good thermaling capability thus 17 pounds fuselage ASK-13 also built-up construction formers stringers sheeted t/ts balsa After balsa sheeting applied Fred requisitioned help Pete Marshall cover fuselage -ounce-per-squareyard fiberglass fabric Fred detailed epoxy paint also finished cockpit two -scale pilots instrument panels controls ASK-13 nicely built model us would proud have constructed controls ASK ailerons elevator rudder spoilers familiar Power Slope Scale PSS models simply slope gliders built replicas powered aircraft form slope soaring said have originated England Im sure British really have leg up us thing sure first form association recognize format association Power Slope Scale Association PSSA founded Alan Hulme Needless say movement has grown now RC modelers converting powered models building PSS models attack slopes everywhere interested finding out what happening way PSS might want join PSSA PSSAs newsletter 112 Model Aviation NEW FOX 25BB SCHNEURLE Mark X Carburetor Muffler Included Cylinder can face right left rear R/C C/L Versions U FOX FOX MANUFACTURING COMPANY 5305 TOWSON AVENUE SMITH ARKANSAS 72901 PHONE 501-646-1656 501-646-1757 MADE IN AMERICA FOX NEW ULTRA E-Z CARBURETOR Single needle adjustment Air bleed idle Excellent transition Fits Fox C frame 45 thru 74 Smaller sizes available later SMART CHAMPIONS FLYFOXnow produced Michael Kitchen has informative little newsletter will receive member newsletter mostly covers what happening Europe however also excellent source information P55 enthusiasts interested write Michael Kitchen Tall Timbers Sutton-on-the-Forest York Y06-1DY England Randy Hoizapple another PSS enthusiast pictured holding Vickers Supermarine Spitfire model also power conversion PSS utilized ailerons elevator rudder control capable aerobatics Randy gave demonstration Spitfires aerobatic capability performing some knife-edge flight following dive speed could also four-point rolls Spitfire wasnt terribly fast appeared quite enjoyable fly because wasnt twitchy did what told command Randy interested either models send SASE will provide Drews Randys addresses both avid enthusiasts would likely share information have last model pictorial model owned good friend Steve Sharpe Steves model design generated quite some time ago called Velocity Squared original model span 48 inches However ate lots slope lift over years grew bigger version Steve now flying Steves V2 constructed entirely fiberglass Kevlar has molded fuselage fin wings stabilizer foam core vacuum-bagged fiberglass Additionally wings stabilizer reinforced unidirectional carbon fiber Continued poge 121 SAVE YOUR FIELD SNUF-LER muffler isa low cost easy install lightweight sound reducing ler no performance penalty answer AMA muffler rule suggestions saving flying fIelds Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possIble 300-500 RPM Increase Improves engine idle s better fuel economy Easily attached 25-108 stock mufflers Neal corrosion resistant Slack E coat finish No special adapters required Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipmesf Check MO Visa MC CODSEND 2SF STAMP accepted Add 52SOfor UPS $2OOfor COD 6%edestaoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG All-new version FOILED AGAIN! now available plot IRF~IL S printer. O BLEND different airfoils wing root tip Cl BROWSE through dozens airfoils ON SCREENI* O Import WEW airfoils other airfoil plot programs Cl Enjoy point-and-click file selection loading O Plot loft-hand right-hand airfoils bothi Cl Graphically modify airfoil shapes ON SCREENI* O Enter own data quickly easily or. O Select hundreds airfoils available diski .wlthfrequires VGA raplics adapter FOILED AGAIN! Version 20 $5995 MA lUNG INCLUDED CA RESIDENTS ADD TAX PLEASE SPECIFY PREFERRED DISK SIZE MAKE CHECK OR MONEY ORDER PAYABLE TO 619 7924021 CYGNET Software 3525 Del Mar Heights Road Box 237B San Diego CA 92130 January1994 113 FOX QUIET MUFFLERS Fit Fox B & C frame 40 45 50 Steady 89 db noise level Available soon Fox 60 74 SN U F-FLERTM MUFFLER patented $2495 CAT NO BOO model aviation magazines published since 1931 has indexed very small fee Dick will locate model will photocopy article can enlarge magazine plans original articles has extensive library full-size model plans can copy including American Aircraft Modeler Air Trails Hobby Helpers Catalogs include Published Nonscale Model Plans includes categories $5 postpaid US Canada Scale catalog $275 US Canada Gold Book Model Plans Golden Age Aeromodeling further breaks catalogs down categories nonscale free flight nonscale gliders control line etc Anyway next time want know get copy some old article write him sold magazine collection make room build some models lopelByors Continued page 113 Interior wing two ballast tubes aluminum also act strengthening spars ballast tubes also allow model carry internal wing over CG six pounds lead shot extra windy conditions hinge ailerons elevator V2 employed Fourmost Snap Tight Hinges Buried wings two JR-341 servos aileron control Steve using JR X-347 transmitter talking JR 627 receiver control V2 has wingspan 90 inches 55-inches long wings also have total area 580 square inches carry aspect ratio 131 provide pitch stability stabilizer has area 95 square inches hung fairly long moment armas can see picture An Eppler 374 airfoil used generate lift wing horizontal stabilizer uses NACA 63010 airfoil counter mildly negative CMO 374 Velocity Squared designed varied wind conditions ability add weight allows penetrate URY JET MODELS INC 8 Martha Ct8305 Regency Woods Way Sumter SC 29150Louisville KY 40220 803 775-6491502491-4114 RETRACT SELECTOR SPEED CONTROL VALVE Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 xls 1-1/4$2495 Wt 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Exhaust System eac F-i 00 F-100 Hun basic kit $18999 - 1/8 Scale 50 Removable Wings th 63 Sport Hawk MK II basic kit $18988 - Easy build Removable wing Length 59 F-los Thunderchief basic kit $23900 - Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW - 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 vable 61 Wings LE/TE flaps - DelUxe kit DC wood I/B pylons CF kit plus Landing gear tires brakes available COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREEComplete Air System Stainless Torque LinksAsle Installed Different strut configurations Parts Service 1 Year Limited Warranty 30 Day Ftefundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-SO lb aircraft 2 sets 1 Standard 900 minutes 7Q0 1100 retract angle Over-center lock down Nose gear available $27500 pair Wt 15 lbs SCALE MAIN RETRACTS STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C li Bud Nosen pius Choice 91 Plyon Winners les 20-25 lb aircraft 840970 retract angle Optional wire struts Positive lock up lock down Nose gear available $19900 pair Wt 22oz NEW 1/5 SCALE P51 & SPITFIRE products proudly MADE IN THE USA Our Smoker Preheaters Are Twice As Effective As Head Coils MAKES 4~O5f7 GREAT HOLIDA Y GIFT AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 57 BAXLEY GA 31513 Fax912367-3577 January1994 121 Money Back Guaranteed mA AVAILABLL & 4-Cycle 50 & up B & M MODEL Co w0 Visa Mastercard & American Express ccepted REHYS QUALITY MODEL PRODUCTS GIANT SCALE SPECIALISTS Zenoah Quadra Sales Parts Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Kinner -Tmylorcraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 DELUXE Err INCITJDES PHEASSEMBLEI FUSELAGE SIDE FRAMES FORMERS ENG MNT ASSY WELDED LG TAIL WHEEL ASSY CUT/SHAPED RIDS SPARS PLY BRACES LEADING & TRAILING EDGES LAMINATED WINO TIPS FIN STAB DETAILED BUILDING INSTRUCTIONS ADD $695 SHIPPING/HANDLING UT 1565 ADD 625% TAX FLYROD $69 & H Span51 Area 790 sqin 32-40 Radio 4 ch ht 2 2 1/2 lbs. Ultimate Fun-Fly Machine udes covering & Hardware pkg. throttle flights NO flutterl s Bests qm Ordera Call 1-800-645-KITS information Call eaa-445-1 122 P0 Eon 771 GENERIX East windsor NJ eese Tomorrows Kits Affordable Priceal Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses visaBJrn/c ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 winds 60 mph unloaded model can fly face slopes 15 mph wind capable aerobatics maybe precision aerobatics justgood-fun sport aerobatics Airfoil Month months airfoil used V2 elevator excellent choice stabilizer vertical-fin section section thick enough allow build strong high-wind conditions thin enough penalize overall performance model NACA 63010 also quiet section wont produce ultra-sensitive response control inputs resulting twitchy-feeling airplane Rather 63010 will give good control response provides model designed properly smooth flowing feeling pilot Try think youll like months column good Let know Im doing Theres always room improvement Good flying YOU DONT CONNECTS IN SECONDS CHECKS ALL RADI COMPONENTS BEFORE ITs TOO LATE FASTER AND BETTER SERVO INSTALLATION- LONGER RUNNING TIME MORE RADIO & MODEL LIFE MAXIMUM PERFORMANCE & MAXIMUM SAFErY FOR YOUR VALUABLE MODEL- SAVE $1000s Novice Pro-Any RIC Model aider ar tar mare inta merda SA5 _______ _____ PO Box 220762 Santa CIata CA 9 1322 122 Model Aviation WAYNE R/C Model Hobby Over 50000 Sq Ft space available BOAT POND @ CARPET TRACK @ TRUCK PULLS 1st Place Plaques Static Displays Information Call Bob Parker Garry Geiselman 219-483-6144 219-482-3448 h Ihe colortul ee bee L tirst ot th barrel-shaped racers constructed Granville Brothers Springfield Massachusetts During 1931 won five races including prestigious Thompson Trophy Cleveland Ohio National Air Races Z also direct forerunner famous Gee Bee R-1 R-2 FEATURES TWO TYPES OF COWLINGS TYPES OF WHEELS HARD AND FLEXIBLE TIRES AILED INTERIOR SEND SASE FOR FREE ILLUSTRATED ORDER FORMDEPT MA ______________ 181 PAWNEE ST SAN MARCOS CALIFORNIA 92069 BACKYARD MICROFLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY _wwllIY3YII Albalens DlF4F Wildcat ME-lid Fobbee DVIIF6F Helical ME262 Fok TeiplasseFW-190A Mit zeco SE SAHaw Hareicatte P-470 Thunderbolt Sopseith CamelHeinkel He-Ill P51B Mustang SPADJunkers 10-855 Spilijee Balsa Print Wood 6-8 Wing Spans Price 5285 S&H $250 Any Oly check ne Money Oeder OnlyFantasy Flyers Na CODsPO Ben 430 NYheesidentsadd slestasFarnsingville NY 11735-0430