NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142
Edition: Model Aviation - 1992/08
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 78, 79, 113
NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142
Edition: Model Aviation - 1992/08
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 78, 79, 113
NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142
Edition: Model Aviation - 1992/08
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 78, 79, 113
NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142
Edition: Model Aviation - 1992/08
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 78, 79, 113
NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142
Edition: Model Aviation - 1992/08
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 78, 79, 113
NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142
Edition: Model Aviation - 1992/08
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 78, 79, 113
NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142
Edition: Model Aviation - 1992/08
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 78, 79, 113
NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142
Edition: Model Aviation - 1992/08
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 78, 79, 113
NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142
Edition: Model Aviation - 1992/08
Page Numbers: 50, 51, 52, 53, 54, 55, 56, 78, 79, 113
NO OCR TEXT NO OCR TEXT IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 has good fortune collaborate Bill Winter publishing Cloud Niner RC Special designs Bill has outstanding sense design blend good scale proportion hes refined over years Bills designs lookers among high-performance designs does make Lite Bipe thorns didnt name prototype Double Ugly nothing Lite Bipe like long-distance runnerskinny bony raw ribs showing through purely functional model no gut no fat Lite Bipe eschews sentimental ties full-scale design Still Winter saw beauty showed him finished prototype Refined ugliness beautiful allowed citing Ugly Stick perhaps popular RC model time judge Aerodynamically Lite Bipe identical RC Jumpin Geo see John Hunton Bill Winter Jumpin Geo November 1991 Model Aviation has same moments same wing area same aspect ratio same wing loading wing scale however different perhaps because short wingspan roll rate much higher fact its whirling dervish rate almost two rolls per second Thats unmatched experience downright phenomenal model loops tighter tick although rateone loop two secondsis somewhat less Geos said should come no surprise Lite Bipe something else fly Spirited Thats understatement Lite Bipe approaches thought-controlled aircraft Just remember though keep thoughts ahead model until youve gotten used beginning fly low rate roll control will normal youre ready flip high rate stay least split-S high since its very difficult first anyhow judge roll out level after youve gotten some experience stay well attuned model high aileron rate Lite Bipe twitchy rolls violently Heres howl like roll 52 Model Aviation Front view model tn-gear connguraton ThicK draggy design advantageThe externally mounted RC gear saves light plane helps slowing down quickly landing Kent Larson photoweight extra drag helps rather hinders John Hunton photo Left metal Band-Aid box replacement muffler exhaust outlet extendeo eiow wing protect te FtC gear Right very light tail has rolled balsa leading edge built-up ribs Photo retouched amplify wire bracing John Hunton photos Three-quarter rear view shows low squatty stable landing gear Low-slung design eschews cowling top deck since wouldnt boost performance Hunton photo NO OCR TEXT FULL-SIZE PLANS AVAILABLE SEE PAGE 186 SOAS BALSA VCTARUCOER aNT ELEVATOR PUSIIROOS IUA soI~OEO REV BALSA COVER WI WONOSOTE THROWS ONRAANCEINVTL HIST DATESET WINGS 00 OTTV POINTCOVER FACE SO CAP TINGE LINEFOR UVUSONS SERVOTOP OF FOSELASE , BALSAoI IAFIREWALL ODIL HOLE SOARROSODOTE \WIOVA ISSOAI SCREW4 IFIRE WAL VISA PLr OTT FLATH.A IMOUNT 0 TEAT C WRAP W OLUE TA BIOS BACRINS HR BALSA ____UCTAICR VIVAOLUE TVTOROORATOWO TECAPB O VT OPTIOSAICR V 00 BALSAFROST VIED lOB BAL SIB SR ICID VHOALL FORUERS IOU BALSAFAITINAFAIRINAA S10801CR0 \E/SA-B 0 RECECACTTARRO 0I ISERACBATCOBSAT II T TOES TICS SEROO TAPE I 100 NA OT*COARLET 0 SERVOSICR SR.-BANOAISCAN IRONOIII OCT11 AENTIII OTOIrTU-IODR JR I LU ID CAP II CR0 ICRASTRO 0II BCIRE LVOPlOB 0 ICRREVO ODS ACTLINO VETOICR 01CR TOSITES ORATOTUBESIDEITOII/___ jj VIEW- 1_____________ _____ F7717Th /W W~C/\N,oII ITUE VOT '-ETTENTOCII AILETLN~II POTATOiJ FORM FAR TOLLED LE OLLUISA j TWO TOT VOWELSTEMUVEP CICIB TATEN SECAILERO PLAN FORDORN TOTA COO lOB WINO FILLETS\ LU LVC Approaching field kicking nose up little roll torque letting craft go ballistically across field stop roll guess plane ended up Given all-up weight just over three pounds prototype 3 lb 5 oz good 30- 45-size engine will provide four five pounds thrust translates vertical performance Ever flown model vertical climb capability Its great prototype uses APC 11 x 6 propeller Heres draggy good Biplanes draggy Boxy designs draggy Thick wings draggy Blunt noses draggy Controls hanging out over model draggy Lite Bipe draggy decide start top speed unimportant fast-slow events nearly always won model can fly slowest fastest youre ready build lighter simpler case Lite Bipe means boxy exterior controls Ever see model land vertically No Lite Bipe however angle descent exceptionally steep Payoff quick Landings can made very short actually helps bring landing pattern close can advantage fun fly competitions Stall characteristics good well Perhaps because washout provided tapered flaps high alphas Lite Bipe wont stall drop out sky itll just mush can get behind power curve no problems can turn dime Any unusually shaped design takes getting good used before know what its doing moment youre flying Though very responsive controls Lite Bipe does have its quirks know what expect youll successful enjoy flying 54 Model Aviation Lightweight built-up structure half-hides behind firewall Cavernous fuse designed structural efficiency Horizontai stabilizer structurally complete piece 114-in dowel stock used join elevators Photos left above Bernie Stuecker FULL-SIZE PLANS AVAILABLE SEE PAGE 186 T FILLTOPILOWER WINO STRIP IDRS IDA THRUST RLOCK BOTTOM SPAR IDlE BALSA DIAGRAM OF WIRE TAIL BRACING DIR 0 1D2 - --a---116 TIPDIG IS P180TOLLED LWAl SUE BLOCS RORATTO BINSF POINT DETAIL 094 HR EGGAP GD PARTS PLUGS SERAGLOCAB RIBIDIBRENO PHIlL -INDIR STEFTI/B PP RAIN LOFUSELAGE TOPWIGS STRAT 1/851/lB RULLEB L F liii III II I STABILIZERELEVATOR IHIRS 3DB-------- WEBBLOCK IIDIOT 3DBII 116 B DIR GUESS LEDO DO GBII III IIIIDIG IDA CAPSI.3DB 53/B 016SF 8030/16 OlDA IIIII]II iiiiIIII IIIIIiIIDlE CAP I1DB B IDA HORN UT IIIIHDIS 03DB HOLEI DR CAP IIIIIIRITE RHACING DIR B I/BHDIG 03DBIHDIR 03DBIIDIG H IDAIDRO IDA Because model light reacts much quickly control input conventional designs So have stay ahead airplane Yes youve heard before Lite Bipe though means staying mistake high within good visual range balance point shown plan helps moderate quick control reactions pitch yaw its important follow slavishly Forget moment known method achieving lightness has RC Lite Bipe Type Competition fun fly biplane Wingspan 37 inches Recommended engine size type OS 40 SF ABC range 30 40 cu Number RC channels recommended Four Expected flying weight 3 lb 5 oZ Type construction Built-up trussed-balsa frame Type covering/finish recommended Transparent MonoKote clear polyurethane Above The lie soft balsa strip wing LE rolled over broomstick Wing struts preassembled hardwood balsa filler Bernie Stuecker photos der ana Tin nave roiiea oasa eeulhlg edges stub spar fin cutout elevator joiner Bernie Stuecker photo August1992 55 IFULL-SIZE PLANS AVAILABLE SEE PAGE 186 approach will land slowly typical aerobatic airplane wide-configured landing gear looks just fine noted provides excel lent ground handling takeoffs landings Takeoff landing characteristics always strongly influenced angle attack running gear supports model angle too steep model will take off quickly unstable during landing its difficult get such model down solidly angle too low airplane will roll ground far longer should before taking off landing characteristics will excellent tail wheel contacts ground before mains wings angle attack will reduced upon touchdown model will stick bouncing Choosing quick landings over quick takeoffs rigged tail wheel lower angle attack just seems difficult get model down quickly get off ground philosophy limiting rotation takeoff improve landing characteristics unusual model does land cleanly very high speeds may wish adjust tail wheel height suit own flying style typical short takeoff landing scenario goes like Full throttle full up Pop off off up neutralize up elevator input roll Hog up again come around Level momentarily chop throttle bring right around Slows up quick Level wings because slow already ground happens quickly Construction selective choosing balsa weights continued page 78 ANP AI CX MUPL 4VIST L f7WI6H2 EFFICINT used add ballast needed get model balance fore aft can refine pitch yaw sensitivity later making incremental adjustments CG Roll rate different problem unaffected CG location Since Lite Bipe has powerful roll controls short moments use dual rates roll controls Use low rate normal flight flip high rate want roll may able single flip roll come out relatively level try multiple rolls Theres no way tell airplane again remember stay least split-S high Ive never seen another model roll like Lacking dual-rate capability youll just have satisfied using half indicated aileron throw Another unusual aspect Lite Bipes flight envelope its low-velocity capabilities reduce weight 30- 45-powered model half say 66 lb 33 lb bring about 33% reduction stall speed 24 mph 16 mph Because excellent stall characteristics can slow model down considerably o 0 Homemade Band-Aid box muffler saves few ounces Silicone exhaust extension carries residue below bottom wing away RC gear Hunton drawing 56 Model Aviation uuT-up tuseiage uses conventional lightened-up construction entire frame weighs pound finished model just over three pounds Stuecker photo Structurally complete wing Healthy wing depth helps promote light structure Stuecker photo 4x13/4x3/4 Drops Sound 6 10 DB 501 &%A Box 15182 Baton Rouge LA 70895 $9995 8 Ch 50 53 72 75 Mhz Dont scrap favorite AM KRAFT Heathkit Hobbyshack Royal Tower Hobbies World Engines other TRANSMITTERS SERVOS Upgrade latest AM technology proven design minisize dual conversion ultra narrow band reliability RIC REPAIRS KMI largest complete independent RIC repair center USA repair brands Send SAE complete price repair product information RCD-KMI 6 Meter EXCLUSIVE SOFT SOUND ANNO UNCES Soft Silicon Muffler Fit 25 40 Engines Plus NEW Muffler Fit 10 25 Engines Attaches Factory Muffler $2995 Plus $295 P & H y KMI RETRACTS 2-wheel gear 1 ycIe 1 7995 includes amplifier w Kraft Midwest Inc 115 F Main Northville MI 48167 313/348-0085 ff Fax 313/348-4175 Bipe/Hunton Winter Continued page 56 order balsa mail use company such Lone Star will select wood small fee Its worth Lone Star gives industry standards follows use specifying balsa weights Very light4-6 lb weight per cubic foot light6-9 lb medium9-12 lb hard 12-16 lb Use very light balsa parts except noted below order half again much required can select best wood Use medium wood spars fuselage longerons fuselage wing diagonal members completed framework should weigh about pound Assemble everything thin CyA cyanoacrylate glue Use mixture baking soda CyA filling Fuselage Cover plan waxed paper pin down side members build sides shown Use selected medium-weight balsa main fuselage frame Longerons should cut very best wood available Use lightweight balsa structure below main fuselage frame Remove sides plan cut halfway though inset cabane struts Install doubler behind cutout Its best pin sides down over plan top view before joiaing Install crossmembers Cut out firewall install blind nuts mounting engine Install firewall Cut out install other formers Install turtledeck stringers servo wing mount fairings wing fillets Let servo mounting plates top deck sheeting Install curved top front fairing helps stabilize engine mount Block sand fuselage sides flush Smooth off stringers Fuelproof exposed balsa parts such RC equipment mounting deck Polyurethane recommended Wings Cut soft balsa strip wing leading edge Wet strip wrap around broomstick Ace bandage Let dry overnight Cut out wing ribs plus four tips Lightening holes optional dont amount much weight savings considering effort look neat Remember principle think light Use medium-weight balsa spars diagonals Pin lower spar waxed-paper-covered plan install ribs Install trailing edge vertical portion blocking up accurately using level rib trailing edges Install top spar spar diagonals Its best run diagonals top bottom wings opposite directions Install 8 -in-sq uprights rib Glue rolled leading edge install other trailing edge sheet parts 78 Model Aviation 6 4 1/2 x 2 x 7/8 2 1991 KMI ULTRA AM RECEIVER fKMIh Remove panel work surface build second half same way Add tip parts tips just clipped ribs cap strips Wrap landing gear wire plywood gear parts install Wing struts hardwood strut members extend bottom spar bottom wing top spar top wing hardwood rear strut member extends top spar bottom wing bottom spar top wing balsa filler spans between wing surfaces No diagonal bracing required because strut bracing handles torsional loads Wrap assembled struts securely thread top bottom coat CyA sure check accurate wing alignment assembling struts itll too late change alignment after theyre attached Empennage ailerons Roll leading edge sheeting around pair 318-in dowels Wrap assembly elastic bandage allow dry Pin leading trailing edges plan Install lower rib parts add upper rib parts spacers Install hinge reinforcement sheet tips Install rear spar doublers penetrate stabilizer provide good support fin stabilizer has partspan spar fin rudder have rolled balsa leading edges stock difficult make just wet balsa wrap around dowel secure elastic bandage allow dry overnight Install hardwood mounts rudder elevator horns Drill install nuts dont install horns point Join elevators piece dowel ailerons built topside down over plan result will trailing edge will have built-in warp tip intentional provides washout wing aileron incorporates special support pin attachment aileron control linkage August1992 79 PLUG IN WINGS / ADVANCED FULL SYMETRICAI AIRFOIL / RATEO FOR ALL MANEUVERS INCLUDING MAXIMUM 0 PULL UPS / CLEAN AERODYNAMIC DESIGN IS FAST STABLE AND EFFICIENT S 0z z Hi-G introduces 0 3 0 COMPLETELYASSEMBLED&FINISHEDOUTOFTHEBOX LUE PAINT OR COVERING REQUIREDa INSTALL YOUR RADIO 35-46 ENGINE AND PROP AT THE FIELD COMPUTERDESIGNED&BUILTBYMITAEROSPACEENGINEERS INCREDIBLE FLIGHT PERFORMANCE AND QUALITY BUILT-IN z 05 D rU eI OWingspan 47Area 460 sq ___2 & MC Accepted Orders & Info 602-788-5209Assembly Time 6 hrs max_ 2131 E Crocus Dr Phoenix AZ 85022il WLenght 42Weight 475-500 lb Cea PREASSEMBLED AND INSTALLED HAYES MOUNT NOSEGEAN 8 OZ HAYES TANK SULLIVAN SKYLITE WHEELS SULLIVAN PUSHRODS CONTROL HORNS GAPLESS HINGES ALL AROUND Continued page 113 BipelHunton Winter Continued page 79 Covering Transparent MonoKote recommended transparent type just seems weigh less opaque metallic varieties Attach covering center panel pull toward edges fasten Smooth out wrinkles Clear-coat exposed balsa polyurethane Final assembly Assemble wings tail fuselage Bare abutting surfaces align accurately glue Attach wing struts being careful affix firmly spars Fill voids CyA baking soda Add empennage rigging help prevent damage inevitable nose-over Use light wire rigging perhaps piece old braided control line Run wire around hinges gather pull bottom fuselage Glue joints CyA prototype ran piece /8in dowel rod through wing center section provide attaching bomb-drop mount rubberbands Lightweight mumer can save fey ounces building own muffler made metal Band-Aid can Other containers would probably serve equally well Cut spacer aluminum stock making sure its sized support can proper distance engines exhaust stack drilled four 1/4-in holes ouflet clearance holes attachment screws Since can must supported both sides adequate strength cut two spacers span its width Push awl side can pressure tap tinplate will curl inward provide good anchorage pressure tap threading Tap can install nipple Drill exhaust hole bottom can silver-solder brass tube size least equal engines regular exhaust outlet Assemble can engine threaded rod locknuts Coat inside can top silicone Close top punch install sheet metal screw hold shut Add silicone exhaust extension carry residue level below bottom wing exhaust system seems work welland its light Engine prototype uses OS 40 SF ABC K&B 45 would equivalent believe could go small 28 size still get good resultsalong lighter airplane remember Keep model light keep flying 4~9 jJify FINISHING FRIEND SYSTEM ___________ flUJa GUARANTEED neip build lAS i BETTER e lots MORE FUN FFS secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding cove ring painting Model touched outside surface LIFETIME GUARANTEE Join family satisfied customers say Bad U just model using f goull never bulk another wWwut ORDER TODAY just $3995 CRAFTSMAN MODELS S&H 1311 East 161st St317-896-9043 Westfield IN 46074 M/C SASE Brochure RC ElectricslKopski Continued page 67 care share information Ill include future issue related matter readers also continue inquire about VRCS heres address time Vintage Radio Control Society 4326 Andes Drive Fairfax VA 22030 Believe Some folks still feel Electrics no good Readers may recall June 1992 column discussion wherein reader accused Electric columnists general misleading readers part writing about bad aspects Electric time promised Id futureand future now So far know can describe about half-dozen perceived disadvantages bad things about Electric flight know because Ive received mail over years says some things Ive told 1 Electric too heavy doesnt fly 2 Electric doesnt have enough power fly well 3 Electric has too short flight time Notice weve advanced dont fly dont fly long Thats progress 4 Electric too complicated 5 Electric too expensive 6 Nobody flies Electric around can understand regular readers know better now laughing uncontrollably pleasetake care dont injure yourselves roll floor clutching aching sides Appreciate have no choice pursue matter cause purpose column offer help andgoodness knowsanyone believes above truly needs help So much levity reality plenty modelers still convinced Electrics no goodfor reason another Some folks might otherwise quite happy Electric either have bad bad start have received wrong information course Im foolish believe Electrics everyone-thats just simply would like help make sure Electrics really Continued page 168 FF Sport & Scale/Warner Continued page 85 worse nothing stand out like zits yearbook photo Ron Moulton British Aeromodeller fame used clock gear handle like pizza cutter pushed little row dents through back side cardstock thin aluminum paper panel believe Dave Platt originated idea have found successful using hypodermic needle ground off square deposit tiny dots white glue too much water trapped dot will collapse use glue bit thicker normal Practice before working modelyou can count ruining first dozen dots doped over dots give remarkably striking effect areas around windshield frames other points interest Continued page 142