NO OCR TEXT NO OCR TEXT would fly Astro 15 did would fly like truck Well cant com pare Spitfire glow-powered Falcon Kadet electric power entirely dif ferent ball game After first five six minutes air time such graceful bird guarantee youll feel new kind modeling thrilldifferent youve experienced before Spectators fellow fliers will stop look just watch faces cut off power altitude glide dead stick turn power last moment go around spectator unmoved other sights busy Sunday walked over knelt close look Spit after seeing fly said under breath Spirit Biggen Hill Perhaps flown real Biggen Hill during Battle Britain Theres something story behind model Back 1973 after son Mark learned fly simple sport RC models wanted build Spitfirea big Spitfire usual heavy RC Scale models type would have beyond capability build fly very light simple version seemed appropriate drew borrowing heavily Earl Stahl rubber-powered Spitfire published Clean lines ample wing area Spitfire makes ideal subject electric Scale WW ii Fine performance glow too 22 Model Aviation Cowl spinner prop removed show simple Installation motor gear drive unit large hole firewall allows cooling air flow past motor battery compartment U L SU6FSU UfUFUII Next tt ransmitter charger whk has ammeter show charge current timer switch fast slow charge box right isa voltage booster clips car battery raises cars 12 volts to24 15-minute charges Alitronics mini servos provide rudder elevator end motor control Servo-operated three-way switch left motor control middle position connects battery motor through dropping resistor cruise speed far right position gives full power 0 po-ouoo e -o lttC COO IT FLOATS U /8 BALSA FILLERS FROM Fl 10 F4 FIBERGLASS OR CARVED BALSA COWUNG GEARED ASTRO 15 ELECTRIC MOTCR WITh BELT DRIVE 3 1/2 SPINNER PLASliC MOTOR MOUNT RING COOLING AIR INTAKES I/B PLYWOOD FIREWALL ON Fl FORMER 3/16 SHEET NOSE KEEL Bill did hear Hank wants Cessna I/4SHEET LEDGE 1/4 SHEET BALSA liPS I/B SQ BALSA STRINGERS DOUBLED AT lOP BOTTOM AND BOTH SIDES CUT CUT THIS SECTION FOR AIR FLON DISCHARGE AFTER CDOUNG ELECMO1OR K SWI1tH TO ELECTRIC MOTOR NYLON BOLT 1/4 BALSATIP AND T EDGE 7 3/16 DOWEL1/32 PIYWOiD 1/16 SHEETON WING CENTER LE ANCHORL E BRACEr SECTiON TOPAND BOTTOM1/8 X 34SHEET D 2 1/32 PLY WQO MINATED 4 STRIPS REINFORCING UPPER AND LONERWEBS 3/32 BALSA FROM LOb THIRD RIB 4 ROBART UNIVERSAL SCALE WHEELS ON 1/8 WIRE V4 X PINE LG MOUNTS I/BX 1/4 BALSA RIBS 1/4 SQ FIN AND RUODER POSTS I/B WIRE JOINS ELEVATORS 1i8 X 1/4 BALSA LAMINATED LE8 T E d K L4X 1/2 BALSA ELEV AND STASIUZER SFRS V4TAILWHEEL ON WIRE 10 FDDEI I/B SHEETBALSA FORMERS 81011 3/16 SHEET FCRMERS FWD FROM FT V8SHEET WING CRADLES FT TO WING LE 1/8 SHEET FILLET FORMER 1/32 PLYWOOD WING SADDLE SKlI V4SQSPARBRACE1/4 50 LOWER WING SRARS 1/4 X 1/8 BALSA TRAUNG EDGE FOUR LAMINATICtIS X 1/4 SHEET BALSA WING TIPS /2 I/8X /4 DOJRED lOP SRARS 3/16 BALSA ALL RIBS Ignore Don Hes married Cub 4 LAMINATIONS OF H 0 Mt C RI RB 4 LAMINATES OFTE R7 SEARED ASTRO-IS MOTOR SHOWNWITH ELECTRIC POWEROMIT THIS SECTION CW CAN ALSO USE GEARED ASTRO-2AUSE MOTOR CONTROL ORFOR BATTERY COOLING OR GIOW ENGRES OF 20 TO 30OR-OFF SWiTCH ORERATEG BY THRO SERVO RBFILL TO F4 WITH SOFT BALSA FiRENGLASS ORk8 BALSA SHEET PLAS7IC COWL/ FAA/ 3-V2 SPIIRER RA FlF2FAF4LWI/4 GOUaER ------FAF H FLIGHT SATTERIPOSniONED BATTERY BETWEEII FA R5 FOR PRORERSERVO PROF R4I CU WIT* CCCLI ~tES FORERAILS 136 OR 146COOLING T [v33][b-1-10-1-10]]AIR FLOW - IT -F 0 II III/BSIEET AR COOLING4H R3NIT4 C G RAI 316 SHEET 315DOWEL FORARY KEEL R2 BBTTCOOLfrG -_______________ 1hhIiIiIIiiiIiIiiIIIIiIZIZPLASTIC CARORTOO -~%W1f EL COAERS MOTOR MNT-1/22 R RBS I6RIe\,,AThWi B FIT TO FUSELAGE PLY WWIG SACKILE ALL OThERS I/BIF ALOE EE3tE W IGED MARE FiREWALL SCUD ieWITH RNISI-ED WiNG IN HOLES B MONT ENGIPE NVERTEDPLACE 0I5 4A6OR RAC4AL MOWIT REALS B GE4 RORART UNIVERSAL CUJN TANK IIM F I, E WHEELS years ago Model Airplane News basically six-foot gas-powered ghost ship employing rubber modeling Free Flight techniques Power 23 glow engine using three channels control respectable amount speed could cruise two-thirds power would float landings touchand-goes cinch After couple years use hung up remote corner base ment Enter Bill Winter has fascination unique off-beat modeling things time Bill visited shop hed wander over dark corner gaze minutes Spitfire night arrived new geared Astro Flight 15 system going use still plans use Astros six-foot Porterfield kit geared 15 fascinating gadget Bill anxious test out model rash moment said dont try electric system Spitfire months discussed possibilities Would fly would fly Would take off ground way find out next time Bill appeared Two nylon bolts takes set up electric Spitfire flying Charging flight batteries done through lack lower fuselage near wing 24 Model Aviation DOWEL DI 1/4 SI-SET 3/32 PLY IHEORAL BRALS B 1/4 SQUARE RIRI IABS4-EET TOB BOTTOM [4 BALSA ___SCARE7 FULL-SIZE PLANSAVAILABLE SEE PAGE 140 -~2 lB PINE LS 2UNT BLOCKS OVE FOR yR SIC WIRE L S -4 LAMRATCK4S OF — I/S BALSA 1/4 SHEET _______ ____________________V 4 LAMINATICRS OF SOFT L4 V4 BALSAIIDI 3/32 PLY -202 332 PLY L/B SO BALSA STRINGERS T NISHOWN STABILIZERELEV FRFRFOFri WHITEFJSEL GE SID VIEWB1/4 SHEET 1 oKEELS ARE 2 LAMINATILEIS YELLINOF3/16 50 BALSA1/4 STEERABLE /TAt WHEEL FSA --I- [~R BI/2 FlF2F3F4FSPINEOFRFR RAJLS T BALSA LET FORWRFRF7 K V4BALSACUT AWAY OOJBLEB FOB WING AFTFl TIWU FT ARE 3A6 SHEET ASSEMBLY-BALSA FR 13-WIJ FII ARE 1/5 1/4 SHEET HINBS 1/B WIRE flNER / --1/4 -SHEET WEIGHTS GEARED ASTRO-IS4-L2-5I/2 LBS GEARED ASTRO-2564/2-7 LBS GLOW20-305-BLBS installed ready using set Bills Airtronics mini-servos spare XL receiver Since model little bit beefier necessary weighed bit optimum geared Astro 15 fly did amazed can build fine sport airplane either glow engine electric motor will provide conversation piece flying site will somewhat lighter glowengine model will have snappy performance electric however can enjoy benefits silent flight no engine starting problems exhaust mess either Since assume anyone whod tackle project like knows basics building models wont indulge now-glue-this-to-that spiel Instead well take guided tour less-than-obvious things will need know General notes time son built model cyanoacrylate super glues around can save quite bit time little bit weight using Super Jet Hot Stuff etc would highly recommend model has lot surface area use Super Polarized plugs automatic timer built charger make simple foolproof system Note location charging jack Fifteen minutes takes October 1981 25 // ELECTRIC OR GLOW SPORT R/C ISPAN 0 SQ IN AWN BY DON SRULL ITRACING BY JOE OE&IARCO Up up away early test flights minus cowl spinner No heat ing problems found added later theres plenty air circulation MonoKote some other lightweight material covering minimum weight Super Mono Kote also has correct matte colors scalelike finish aware typical fabric covering paint job could add much weight render ship unflyable Astro 15 glow engine Astro 25 extra weight would critical highly recommend book Silent Revolution published Astro Flight contains everything need know about systems sizes weights planes suitable electric power gambled somewhat Spitfire because almost pound heavier recommended gross version shown plans should save ompared prototype Spits generous wing area however yielded wing loading ball park recommended people like Boucher Poling Kopskiall incidentally held crossed fingers until first test flight some special requirements look out going electric system should have fuse have shut-off operated RC Without fuse snagged prop botched takeoff landing could damage motor batteries before get motor turned off means douse amotorcut-offor speed control used inexpensive threeposition switch Astro Flight comes appropriate resistor provides high cruise off motor control operated motor control servo must provide adequate cooling airflow motor batteries follow plans model cooling air exhausted through open cockpit cooling air taken through openings firewall batteries ship never get very hotyou can hold finger end flight Its very important find use right prop electric power Use size instructions recommend start experi ment little find optimum prop particular model general pitch required rather high least 8 in case Spitfire belt drive means unit puts out about half normal rpm twice torque compared ungeared motor means can use large diameter high pitch prop 12-6 found Spit wouldnt take off 12-8 came alive should get better performance 13-8 hadnt tried article written Nor flown geared Astro Flight 25 motor should provide terrific increase performance Gross weight would increase about pound much greater power 25 should fire up Spitfire perhaps yield modest aerobatic capabilities Construction notes Use lightweight balsa throughout except noted fuselage built half shell method top bottom keel pieces laminated plans two pieces 3/16 square balsa strip Bulkheads added next Note side keels also laminated two pieces 3/16 square balsa laminating first dampen wood water use white glue Titebond thinned 50-50 water cement pieces together can also add re stringers half shell plan Remove completed side board complete other side Glue Continued page 114 26 Model Aviation Authors son work pttire iote stanasro wing construction strIngers formers fuselage model gas-powered atfirat cameoutabouta pound heavierthan ne pixrire tueis up oesween nights Connect charger plane car battery set timer 15 minutes walk away Full charge gives about eight minutes flying SCALE WH RADIO CONTROL ROL-UNE EELS FREE-FLIGHT 0000 VINTAGESMOOTHGOLDEN AGENEW sizes21/2CONTOURsizes214BALLOON 3/431/a"23/i"31/ 13341314132/24/z 1/443/i11/43%11/443/3/451/4 154 5 11/2 4 PA 5 3 PA 65/ 21/4 51/4 1 61/2 SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS ALLThJ SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MARCOS CA 9 213 764-1490 I r CakQig 1981 QAeccggoktcg PO BOX R/C GOODIES 3 II 0 VAN NUYS CA 91408 IThis month Es.ie offering SPECIAL PRICES several accessory items RegularI 1prices shown small tvoe BARGAIN PRICES shown heavy typeI V CAPS$895UNIVERSAL SERVO TRAY isibility 2Color CapsV3 match 72 MHz Frec1 Specify size fits I$650 Shipping$279$209 $125 AIR-FLO HINGES21 tray Bantam Cannon \A OA CE3 CE4 CE5 Futaba Kraft KPS12 Midget servos1 ma,Mtg hardware included FREQUENCY FLAGS 051 Golden Bee etc Uses Iron Hinges easy chable holder standard 1/432 glow pluginstall Strips 36 Igpolyester ribbons $219SMALL 1 LARGE 11/2All Freq colors $159$139$159 69 $2500 $169$199 I7S4 ORAdd 75 Shipping Except Caps Calif Residents add inm rn MORE s Tax Catalog 6 USA $170 Foreign 11 l Aviation Would believe Quaker Flash 277 flights May19 92 hours logged time DG Marshall airline man quotes hours flights dream machine powered K&B 35 beefed up stand high times rough ground handling stolen equipment Marshalls station wagon So radios things have ripped off Bill mumbles Rip off everything America fellows its time Sting Don has another no time fly third being covered K&B 61 pumper big cantfind wheels large enough mayputiton floats Don runs rich dont cook keeps light spite going fordura bility pictured spans 7 ft has 1 2-oz tank Throttle back sure bring recliner sun umbrella plenty iced tea maybe 1000 mAh pack dos ferried PBYs San Diego Hawaii 19-hour non-stop night flights Now 86 hasnt flown since 1965 1972 wrote Eighth Sea 290-page thumbnail account career has kept day-by-day diary life racing trophies presented Queen 1977 display Hendon Museum Diaries flight logs licenses other papers donated San Diego Aero-Space Museum hardly notes day week has talk him about airplanes mind becomes alert years ago seems run off memory tape tiny details McArthur recalled bit about old soldiers simply fading away wasnt talking something glorious man like Courtney present circumstances unbear able youd like tell him much appreciated imagine letter addressed him via Warren Shipp Bill Hannan care ModelAviation would please him very much story Among model researchers turned Courtney through channels Don Srull needed color scheme rubber-powered Gannet took Nats sec ond 1923 London Daily Mail sponsored famous British Light Aeroplane Trials Lympne Gannet historic ultralights built major firms Naturally Gloster Gannet Courtneys log books Courtney color blind Bill Winter 4330Alta Vista Dr Fairfax VA 22030 Electric Spitfire/SruII Con fin ued page 26 firewall making sure squared up accurately fuselage Fill nose section between stringers light soft t balsa wing saddle fillets will completed after wing has built Wing Tail Note leading trailing edges wing stab laminated soft balsa strip Moisten strips join thinned white glue fuselage keels Bend stack strips shape right over QUICK N EASY CUT-OUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 No Measuring Needed! TO BUILD 4TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold ladi Tools etc Legs Removable 21 12 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 lifE FANT4STIC NELSON 15 detailed brochure send 25 cents Kus torn Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Ph 714 830-5162 Dealer inquiries invited Dieter Schiuter world famous helicopter designer presents new MinI-5y & Super MIniBoy Show Seration Toledo & Macs Features 25 40 convertible Cyclone fan cooling No heat sinks needed Spinner starting Shaft drive tail rotor Factory researched & developed ChoIpof Rapping hinges Seepav Collective heads Rock table yet fully aerobatic World fv~ois Schluter quality Noi Ccl le9tIve 19995 CollectIve 22995 parts stock World standard metrics sob dealer order direct train UNSEAM Inc 2594 subsidiary MINIATURE AIRCRAFT North Orange Blossom Trail ndo FL 32804 Phone 30514221531 plans using small nails brads hold place dry Since bends gentle laminations will form quite easily After adding ribs wing add upper 1/4 square spar spar laminated two strips alsa Although wing assembled flat bench top spar does bend downward toward tips Wet both pieces water place lamination rib notches glue top lamination sure install 3/32 vertical grain spar webs shown plans add considerable strength wing tail surfaces built up p balsa t balsa tip segments After adding dihedral wing sheeting center section 1/16 sheet balsa can return fuselage complete wing saddle Glue 1/32 ply wing rest fuselage wing place provide proper shape Trim fuselage sheeting necessary get good wing-to-saddle fit Finally add heavy paper 1/16 balsa sheet wing fillet between fuselage ply saddle Dont use usual epoxy putty resin microballoons filletsthis materials too heavy Covering finishing Since trying make everything light possible best way go Super MonoKote similar lightweight covering bottom wing tail fuselage covered flat Dove Gray top plane covered flat Olive Drab upper surfaces camouflaged coat flat tan light earth enamel epoxy Suitable paints include Pactra Military Flats spray can RS Perfect Paint K&B Hobbypoxy Before spraying wipe surface MonoKote thinner acetone remove trace grease oil After camouflage pattern has painted mask spray roundels numbers use masking tape masking markings remove tape adjacent colors will probably lifted off made stencils newspaper just wet paper slide wet stencil place spray Simple worked fine Miscellaneous strnctural details standard called out plan such landing gear mounting blocks wing hold-on dowel nylon bolt nose cowl can built up balsa blocks sheet can make fiberglass keep light vacuum-form out sheet plastic Light cardboard landing gear covers attached landing gear legs silicone glue add final touch ready fly Flying Notes Before flying make sure CG right place wing has no warps wing big dont want slightest warp Reheating covering twisting offending surface simple cure advisable make some fast taxi tests before flight will help get feel airplane before first takeoff Begin takeoff rnn holding up elevator prevent nose-over throttle gunned As soon some speed built up relax neutral plane may fly off itself may require slight bit up elevator help rotation good duration Astro 15 dont indulge steep turns altitude-losing maneu vers Gentle wide turns will retain altitude give maximum flight time taxiing position back pits on-off switch used necessary very effective have motor servo set up full power forward throttle control halfway back gives cruise power full back stick shuts off motor Flying Spitfire beautiful experience Its unique mixture Scale Soaring RC Free Flight Dont look usual gas model performance though wish tear up skies better off usual noisy greasy bombs Im knocking kind flying mind since much RC fun fits category lightly-loaded Scale electric stuff new refreshing change pace dont forget ship also does nice relaxed job sport flying glow engine scale realism something like scale speed appreciated either case sport Spit calm summer evening something behold can build light youll love Big Bangers/BeckmanCrawford Continued page 38 Lauderdale FL 33312 Husky Top Flite Models Inc. l9JI Narragansett Ave Chicago IL 60639 Now lets get notes subjective com ments about four engines tested time Homelite 16 engine currently available directly usable form fairly easy convert several use around country have inquiries about itsince Kirby both use As far Continued page 118 October1981 115 I
Edition: Model Aviation - 1981/10
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 114, 115
NO OCR TEXT NO OCR TEXT would fly Astro 15 did would fly like truck Well cant com pare Spitfire glow-powered Falcon Kadet electric power entirely dif ferent ball game After first five six minutes air time such graceful bird guarantee youll feel new kind modeling thrilldifferent youve experienced before Spectators fellow fliers will stop look just watch faces cut off power altitude glide dead stick turn power last moment go around spectator unmoved other sights busy Sunday walked over knelt close look Spit after seeing fly said under breath Spirit Biggen Hill Perhaps flown real Biggen Hill during Battle Britain Theres something story behind model Back 1973 after son Mark learned fly simple sport RC models wanted build Spitfirea big Spitfire usual heavy RC Scale models type would have beyond capability build fly very light simple version seemed appropriate drew borrowing heavily Earl Stahl rubber-powered Spitfire published Clean lines ample wing area Spitfire makes ideal subject electric Scale WW ii Fine performance glow too 22 Model Aviation Cowl spinner prop removed show simple Installation motor gear drive unit large hole firewall allows cooling air flow past motor battery compartment U L SU6FSU UfUFUII Next tt ransmitter charger whk has ammeter show charge current timer switch fast slow charge box right isa voltage booster clips car battery raises cars 12 volts to24 15-minute charges Alitronics mini servos provide rudder elevator end motor control Servo-operated three-way switch left motor control middle position connects battery motor through dropping resistor cruise speed far right position gives full power 0 po-ouoo e -o lttC COO IT FLOATS U /8 BALSA FILLERS FROM Fl 10 F4 FIBERGLASS OR CARVED BALSA COWUNG GEARED ASTRO 15 ELECTRIC MOTCR WITh BELT DRIVE 3 1/2 SPINNER PLASliC MOTOR MOUNT RING COOLING AIR INTAKES I/B PLYWOOD FIREWALL ON Fl FORMER 3/16 SHEET NOSE KEEL Bill did hear Hank wants Cessna I/4SHEET LEDGE 1/4 SHEET BALSA liPS I/B SQ BALSA STRINGERS DOUBLED AT lOP BOTTOM AND BOTH SIDES CUT CUT THIS SECTION FOR AIR FLON DISCHARGE AFTER CDOUNG ELECMO1OR K SWI1tH TO ELECTRIC MOTOR NYLON BOLT 1/4 BALSATIP AND T EDGE 7 3/16 DOWEL1/32 PIYWOiD 1/16 SHEETON WING CENTER LE ANCHORL E BRACEr SECTiON TOPAND BOTTOM1/8 X 34SHEET D 2 1/32 PLY WQO MINATED 4 STRIPS REINFORCING UPPER AND LONERWEBS 3/32 BALSA FROM LOb THIRD RIB 4 ROBART UNIVERSAL SCALE WHEELS ON 1/8 WIRE V4 X PINE LG MOUNTS I/BX 1/4 BALSA RIBS 1/4 SQ FIN AND RUODER POSTS I/B WIRE JOINS ELEVATORS 1i8 X 1/4 BALSA LAMINATED LE8 T E d K L4X 1/2 BALSA ELEV AND STASIUZER SFRS V4TAILWHEEL ON WIRE 10 FDDEI I/B SHEETBALSA FORMERS 81011 3/16 SHEET FCRMERS FWD FROM FT V8SHEET WING CRADLES FT TO WING LE 1/8 SHEET FILLET FORMER 1/32 PLYWOOD WING SADDLE SKlI V4SQSPARBRACE1/4 50 LOWER WING SRARS 1/4 X 1/8 BALSA TRAUNG EDGE FOUR LAMINATICtIS X 1/4 SHEET BALSA WING TIPS /2 I/8X /4 DOJRED lOP SRARS 3/16 BALSA ALL RIBS Ignore Don Hes married Cub 4 LAMINATIONS OF H 0 Mt C RI RB 4 LAMINATES OFTE R7 SEARED ASTRO-IS MOTOR SHOWNWITH ELECTRIC POWEROMIT THIS SECTION CW CAN ALSO USE GEARED ASTRO-2AUSE MOTOR CONTROL ORFOR BATTERY COOLING OR GIOW ENGRES OF 20 TO 30OR-OFF SWiTCH ORERATEG BY THRO SERVO RBFILL TO F4 WITH SOFT BALSA FiRENGLASS ORk8 BALSA SHEET PLAS7IC COWL/ FAA/ 3-V2 SPIIRER RA FlF2FAF4LWI/4 GOUaER ------FAF H FLIGHT SATTERIPOSniONED BATTERY BETWEEII FA R5 FOR PRORERSERVO PROF R4I CU WIT* CCCLI ~tES FORERAILS 136 OR 146COOLING T [v33][b-1-10-1-10]]AIR FLOW - IT -F 0 II III/BSIEET AR COOLING4H R3NIT4 C G RAI 316 SHEET 315DOWEL FORARY KEEL R2 BBTTCOOLfrG -_______________ 1hhIiIiIIiiiIiIiiIIIIiIZIZPLASTIC CARORTOO -~%W1f EL COAERS MOTOR MNT-1/22 R RBS I6RIe\,,AThWi B FIT TO FUSELAGE PLY WWIG SACKILE ALL OThERS I/BIF ALOE EE3tE W IGED MARE FiREWALL SCUD ieWITH RNISI-ED WiNG IN HOLES B MONT ENGIPE NVERTEDPLACE 0I5 4A6OR RAC4AL MOWIT REALS B GE4 RORART UNIVERSAL CUJN TANK IIM F I, E WHEELS years ago Model Airplane News basically six-foot gas-powered ghost ship employing rubber modeling Free Flight techniques Power 23 glow engine using three channels control respectable amount speed could cruise two-thirds power would float landings touchand-goes cinch After couple years use hung up remote corner base ment Enter Bill Winter has fascination unique off-beat modeling things time Bill visited shop hed wander over dark corner gaze minutes Spitfire night arrived new geared Astro Flight 15 system going use still plans use Astros six-foot Porterfield kit geared 15 fascinating gadget Bill anxious test out model rash moment said dont try electric system Spitfire months discussed possibilities Would fly would fly Would take off ground way find out next time Bill appeared Two nylon bolts takes set up electric Spitfire flying Charging flight batteries done through lack lower fuselage near wing 24 Model Aviation DOWEL DI 1/4 SI-SET 3/32 PLY IHEORAL BRALS B 1/4 SQUARE RIRI IABS4-EET TOB BOTTOM [4 BALSA ___SCARE7 FULL-SIZE PLANSAVAILABLE SEE PAGE 140 -~2 lB PINE LS 2UNT BLOCKS OVE FOR yR SIC WIRE L S -4 LAMRATCK4S OF — I/S BALSA 1/4 SHEET _______ ____________________V 4 LAMINATICRS OF SOFT L4 V4 BALSAIIDI 3/32 PLY -202 332 PLY L/B SO BALSA STRINGERS T NISHOWN STABILIZERELEV FRFRFOFri WHITEFJSEL GE SID VIEWB1/4 SHEET 1 oKEELS ARE 2 LAMINATILEIS YELLINOF3/16 50 BALSA1/4 STEERABLE /TAt WHEEL FSA --I- [~R BI/2 FlF2F3F4FSPINEOFRFR RAJLS T BALSA LET FORWRFRF7 K V4BALSACUT AWAY OOJBLEB FOB WING AFTFl TIWU FT ARE 3A6 SHEET ASSEMBLY-BALSA FR 13-WIJ FII ARE 1/5 1/4 SHEET HINBS 1/B WIRE flNER / --1/4 -SHEET WEIGHTS GEARED ASTRO-IS4-L2-5I/2 LBS GEARED ASTRO-2564/2-7 LBS GLOW20-305-BLBS installed ready using set Bills Airtronics mini-servos spare XL receiver Since model little bit beefier necessary weighed bit optimum geared Astro 15 fly did amazed can build fine sport airplane either glow engine electric motor will provide conversation piece flying site will somewhat lighter glowengine model will have snappy performance electric however can enjoy benefits silent flight no engine starting problems exhaust mess either Since assume anyone whod tackle project like knows basics building models wont indulge now-glue-this-to-that spiel Instead well take guided tour less-than-obvious things will need know General notes time son built model cyanoacrylate super glues around can save quite bit time little bit weight using Super Jet Hot Stuff etc would highly recommend model has lot surface area use Super Polarized plugs automatic timer built charger make simple foolproof system Note location charging jack Fifteen minutes takes October 1981 25 // ELECTRIC OR GLOW SPORT R/C ISPAN 0 SQ IN AWN BY DON SRULL ITRACING BY JOE OE&IARCO Up up away early test flights minus cowl spinner No heat ing problems found added later theres plenty air circulation MonoKote some other lightweight material covering minimum weight Super Mono Kote also has correct matte colors scalelike finish aware typical fabric covering paint job could add much weight render ship unflyable Astro 15 glow engine Astro 25 extra weight would critical highly recommend book Silent Revolution published Astro Flight contains everything need know about systems sizes weights planes suitable electric power gambled somewhat Spitfire because almost pound heavier recommended gross version shown plans should save ompared prototype Spits generous wing area however yielded wing loading ball park recommended people like Boucher Poling Kopskiall incidentally held crossed fingers until first test flight some special requirements look out going electric system should have fuse have shut-off operated RC Without fuse snagged prop botched takeoff landing could damage motor batteries before get motor turned off means douse amotorcut-offor speed control used inexpensive threeposition switch Astro Flight comes appropriate resistor provides high cruise off motor control operated motor control servo must provide adequate cooling airflow motor batteries follow plans model cooling air exhausted through open cockpit cooling air taken through openings firewall batteries ship never get very hotyou can hold finger end flight Its very important find use right prop electric power Use size instructions recommend start experi ment little find optimum prop particular model general pitch required rather high least 8 in case Spitfire belt drive means unit puts out about half normal rpm twice torque compared ungeared motor means can use large diameter high pitch prop 12-6 found Spit wouldnt take off 12-8 came alive should get better performance 13-8 hadnt tried article written Nor flown geared Astro Flight 25 motor should provide terrific increase performance Gross weight would increase about pound much greater power 25 should fire up Spitfire perhaps yield modest aerobatic capabilities Construction notes Use lightweight balsa throughout except noted fuselage built half shell method top bottom keel pieces laminated plans two pieces 3/16 square balsa strip Bulkheads added next Note side keels also laminated two pieces 3/16 square balsa laminating first dampen wood water use white glue Titebond thinned 50-50 water cement pieces together can also add re stringers half shell plan Remove completed side board complete other side Glue Continued page 114 26 Model Aviation Authors son work pttire iote stanasro wing construction strIngers formers fuselage model gas-powered atfirat cameoutabouta pound heavierthan ne pixrire tueis up oesween nights Connect charger plane car battery set timer 15 minutes walk away Full charge gives about eight minutes flying SCALE WH RADIO CONTROL ROL-UNE EELS FREE-FLIGHT 0000 VINTAGESMOOTHGOLDEN AGENEW sizes21/2CONTOURsizes214BALLOON 3/431/a"23/i"31/ 13341314132/24/z 1/443/i11/43%11/443/3/451/4 154 5 11/2 4 PA 5 3 PA 65/ 21/4 51/4 1 61/2 SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS ALLThJ SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MARCOS CA 9 213 764-1490 I r CakQig 1981 QAeccggoktcg PO BOX R/C GOODIES 3 II 0 VAN NUYS CA 91408 IThis month Es.ie offering SPECIAL PRICES several accessory items RegularI 1prices shown small tvoe BARGAIN PRICES shown heavy typeI V CAPS$895UNIVERSAL SERVO TRAY isibility 2Color CapsV3 match 72 MHz Frec1 Specify size fits I$650 Shipping$279$209 $125 AIR-FLO HINGES21 tray Bantam Cannon \A OA CE3 CE4 CE5 Futaba Kraft KPS12 Midget servos1 ma,Mtg hardware included FREQUENCY FLAGS 051 Golden Bee etc Uses Iron Hinges easy chable holder standard 1/432 glow pluginstall Strips 36 Igpolyester ribbons $219SMALL 1 LARGE 11/2All Freq colors $159$139$159 69 $2500 $169$199 I7S4 ORAdd 75 Shipping Except Caps Calif Residents add inm rn MORE s Tax Catalog 6 USA $170 Foreign 11 l Aviation Would believe Quaker Flash 277 flights May19 92 hours logged time DG Marshall airline man quotes hours flights dream machine powered K&B 35 beefed up stand high times rough ground handling stolen equipment Marshalls station wagon So radios things have ripped off Bill mumbles Rip off everything America fellows its time Sting Don has another no time fly third being covered K&B 61 pumper big cantfind wheels large enough mayputiton floats Don runs rich dont cook keeps light spite going fordura bility pictured spans 7 ft has 1 2-oz tank Throttle back sure bring recliner sun umbrella plenty iced tea maybe 1000 mAh pack dos ferried PBYs San Diego Hawaii 19-hour non-stop night flights Now 86 hasnt flown since 1965 1972 wrote Eighth Sea 290-page thumbnail account career has kept day-by-day diary life racing trophies presented Queen 1977 display Hendon Museum Diaries flight logs licenses other papers donated San Diego Aero-Space Museum hardly notes day week has talk him about airplanes mind becomes alert years ago seems run off memory tape tiny details McArthur recalled bit about old soldiers simply fading away wasnt talking something glorious man like Courtney present circumstances unbear able youd like tell him much appreciated imagine letter addressed him via Warren Shipp Bill Hannan care ModelAviation would please him very much story Among model researchers turned Courtney through channels Don Srull needed color scheme rubber-powered Gannet took Nats sec ond 1923 London Daily Mail sponsored famous British Light Aeroplane Trials Lympne Gannet historic ultralights built major firms Naturally Gloster Gannet Courtneys log books Courtney color blind Bill Winter 4330Alta Vista Dr Fairfax VA 22030 Electric Spitfire/SruII Con fin ued page 26 firewall making sure squared up accurately fuselage Fill nose section between stringers light soft t balsa wing saddle fillets will completed after wing has built Wing Tail Note leading trailing edges wing stab laminated soft balsa strip Moisten strips join thinned white glue fuselage keels Bend stack strips shape right over QUICK N EASY CUT-OUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 No Measuring Needed! TO BUILD 4TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold ladi Tools etc Legs Removable 21 12 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 lifE FANT4STIC NELSON 15 detailed brochure send 25 cents Kus torn Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Ph 714 830-5162 Dealer inquiries invited Dieter Schiuter world famous helicopter designer presents new MinI-5y & Super MIniBoy Show Seration Toledo & Macs Features 25 40 convertible Cyclone fan cooling No heat sinks needed Spinner starting Shaft drive tail rotor Factory researched & developed ChoIpof Rapping hinges Seepav Collective heads Rock table yet fully aerobatic World fv~ois Schluter quality Noi Ccl le9tIve 19995 CollectIve 22995 parts stock World standard metrics sob dealer order direct train UNSEAM Inc 2594 subsidiary MINIATURE AIRCRAFT North Orange Blossom Trail ndo FL 32804 Phone 30514221531 plans using small nails brads hold place dry Since bends gentle laminations will form quite easily After adding ribs wing add upper 1/4 square spar spar laminated two strips alsa Although wing assembled flat bench top spar does bend downward toward tips Wet both pieces water place lamination rib notches glue top lamination sure install 3/32 vertical grain spar webs shown plans add considerable strength wing tail surfaces built up p balsa t balsa tip segments After adding dihedral wing sheeting center section 1/16 sheet balsa can return fuselage complete wing saddle Glue 1/32 ply wing rest fuselage wing place provide proper shape Trim fuselage sheeting necessary get good wing-to-saddle fit Finally add heavy paper 1/16 balsa sheet wing fillet between fuselage ply saddle Dont use usual epoxy putty resin microballoons filletsthis materials too heavy Covering finishing Since trying make everything light possible best way go Super MonoKote similar lightweight covering bottom wing tail fuselage covered flat Dove Gray top plane covered flat Olive Drab upper surfaces camouflaged coat flat tan light earth enamel epoxy Suitable paints include Pactra Military Flats spray can RS Perfect Paint K&B Hobbypoxy Before spraying wipe surface MonoKote thinner acetone remove trace grease oil After camouflage pattern has painted mask spray roundels numbers use masking tape masking markings remove tape adjacent colors will probably lifted off made stencils newspaper just wet paper slide wet stencil place spray Simple worked fine Miscellaneous strnctural details standard called out plan such landing gear mounting blocks wing hold-on dowel nylon bolt nose cowl can built up balsa blocks sheet can make fiberglass keep light vacuum-form out sheet plastic Light cardboard landing gear covers attached landing gear legs silicone glue add final touch ready fly Flying Notes Before flying make sure CG right place wing has no warps wing big dont want slightest warp Reheating covering twisting offending surface simple cure advisable make some fast taxi tests before flight will help get feel airplane before first takeoff Begin takeoff rnn holding up elevator prevent nose-over throttle gunned As soon some speed built up relax neutral plane may fly off itself may require slight bit up elevator help rotation good duration Astro 15 dont indulge steep turns altitude-losing maneu vers Gentle wide turns will retain altitude give maximum flight time taxiing position back pits on-off switch used necessary very effective have motor servo set up full power forward throttle control halfway back gives cruise power full back stick shuts off motor Flying Spitfire beautiful experience Its unique mixture Scale Soaring RC Free Flight Dont look usual gas model performance though wish tear up skies better off usual noisy greasy bombs Im knocking kind flying mind since much RC fun fits category lightly-loaded Scale electric stuff new refreshing change pace dont forget ship also does nice relaxed job sport flying glow engine scale realism something like scale speed appreciated either case sport Spit calm summer evening something behold can build light youll love Big Bangers/BeckmanCrawford Continued page 38 Lauderdale FL 33312 Husky Top Flite Models Inc. l9JI Narragansett Ave Chicago IL 60639 Now lets get notes subjective com ments about four engines tested time Homelite 16 engine currently available directly usable form fairly easy convert several use around country have inquiries about itsince Kirby both use As far Continued page 118 October1981 115 I
Edition: Model Aviation - 1981/10
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 114, 115
NO OCR TEXT NO OCR TEXT would fly Astro 15 did would fly like truck Well cant com pare Spitfire glow-powered Falcon Kadet electric power entirely dif ferent ball game After first five six minutes air time such graceful bird guarantee youll feel new kind modeling thrilldifferent youve experienced before Spectators fellow fliers will stop look just watch faces cut off power altitude glide dead stick turn power last moment go around spectator unmoved other sights busy Sunday walked over knelt close look Spit after seeing fly said under breath Spirit Biggen Hill Perhaps flown real Biggen Hill during Battle Britain Theres something story behind model Back 1973 after son Mark learned fly simple sport RC models wanted build Spitfirea big Spitfire usual heavy RC Scale models type would have beyond capability build fly very light simple version seemed appropriate drew borrowing heavily Earl Stahl rubber-powered Spitfire published Clean lines ample wing area Spitfire makes ideal subject electric Scale WW ii Fine performance glow too 22 Model Aviation Cowl spinner prop removed show simple Installation motor gear drive unit large hole firewall allows cooling air flow past motor battery compartment U L SU6FSU UfUFUII Next tt ransmitter charger whk has ammeter show charge current timer switch fast slow charge box right isa voltage booster clips car battery raises cars 12 volts to24 15-minute charges Alitronics mini servos provide rudder elevator end motor control Servo-operated three-way switch left motor control middle position connects battery motor through dropping resistor cruise speed far right position gives full power 0 po-ouoo e -o lttC COO IT FLOATS U /8 BALSA FILLERS FROM Fl 10 F4 FIBERGLASS OR CARVED BALSA COWUNG GEARED ASTRO 15 ELECTRIC MOTCR WITh BELT DRIVE 3 1/2 SPINNER PLASliC MOTOR MOUNT RING COOLING AIR INTAKES I/B PLYWOOD FIREWALL ON Fl FORMER 3/16 SHEET NOSE KEEL Bill did hear Hank wants Cessna I/4SHEET LEDGE 1/4 SHEET BALSA liPS I/B SQ BALSA STRINGERS DOUBLED AT lOP BOTTOM AND BOTH SIDES CUT CUT THIS SECTION FOR AIR FLON DISCHARGE AFTER CDOUNG ELECMO1OR K SWI1tH TO ELECTRIC MOTOR NYLON BOLT 1/4 BALSATIP AND T EDGE 7 3/16 DOWEL1/32 PIYWOiD 1/16 SHEETON WING CENTER LE ANCHORL E BRACEr SECTiON TOPAND BOTTOM1/8 X 34SHEET D 2 1/32 PLY WQO MINATED 4 STRIPS REINFORCING UPPER AND LONERWEBS 3/32 BALSA FROM LOb THIRD RIB 4 ROBART UNIVERSAL SCALE WHEELS ON 1/8 WIRE V4 X PINE LG MOUNTS I/BX 1/4 BALSA RIBS 1/4 SQ FIN AND RUODER POSTS I/B WIRE JOINS ELEVATORS 1i8 X 1/4 BALSA LAMINATED LE8 T E d K L4X 1/2 BALSA ELEV AND STASIUZER SFRS V4TAILWHEEL ON WIRE 10 FDDEI I/B SHEETBALSA FORMERS 81011 3/16 SHEET FCRMERS FWD FROM FT V8SHEET WING CRADLES FT TO WING LE 1/8 SHEET FILLET FORMER 1/32 PLYWOOD WING SADDLE SKlI V4SQSPARBRACE1/4 50 LOWER WING SRARS 1/4 X 1/8 BALSA TRAUNG EDGE FOUR LAMINATICtIS X 1/4 SHEET BALSA WING TIPS /2 I/8X /4 DOJRED lOP SRARS 3/16 BALSA ALL RIBS Ignore Don Hes married Cub 4 LAMINATIONS OF H 0 Mt C RI RB 4 LAMINATES OFTE R7 SEARED ASTRO-IS MOTOR SHOWNWITH ELECTRIC POWEROMIT THIS SECTION CW CAN ALSO USE GEARED ASTRO-2AUSE MOTOR CONTROL ORFOR BATTERY COOLING OR GIOW ENGRES OF 20 TO 30OR-OFF SWiTCH ORERATEG BY THRO SERVO RBFILL TO F4 WITH SOFT BALSA FiRENGLASS ORk8 BALSA SHEET PLAS7IC COWL/ FAA/ 3-V2 SPIIRER RA FlF2FAF4LWI/4 GOUaER ------FAF H FLIGHT SATTERIPOSniONED BATTERY BETWEEII FA R5 FOR PRORERSERVO PROF R4I CU WIT* CCCLI ~tES FORERAILS 136 OR 146COOLING T [v33][b-1-10-1-10]]AIR FLOW - IT -F 0 II III/BSIEET AR COOLING4H R3NIT4 C G RAI 316 SHEET 315DOWEL FORARY KEEL R2 BBTTCOOLfrG -_______________ 1hhIiIiIIiiiIiIiiIIIIiIZIZPLASTIC CARORTOO -~%W1f EL COAERS MOTOR MNT-1/22 R RBS I6RIe\,,AThWi B FIT TO FUSELAGE PLY WWIG SACKILE ALL OThERS I/BIF ALOE EE3tE W IGED MARE FiREWALL SCUD ieWITH RNISI-ED WiNG IN HOLES B MONT ENGIPE NVERTEDPLACE 0I5 4A6OR RAC4AL MOWIT REALS B GE4 RORART UNIVERSAL CUJN TANK IIM F I, E WHEELS years ago Model Airplane News basically six-foot gas-powered ghost ship employing rubber modeling Free Flight techniques Power 23 glow engine using three channels control respectable amount speed could cruise two-thirds power would float landings touchand-goes cinch After couple years use hung up remote corner base ment Enter Bill Winter has fascination unique off-beat modeling things time Bill visited shop hed wander over dark corner gaze minutes Spitfire night arrived new geared Astro Flight 15 system going use still plans use Astros six-foot Porterfield kit geared 15 fascinating gadget Bill anxious test out model rash moment said dont try electric system Spitfire months discussed possibilities Would fly would fly Would take off ground way find out next time Bill appeared Two nylon bolts takes set up electric Spitfire flying Charging flight batteries done through lack lower fuselage near wing 24 Model Aviation DOWEL DI 1/4 SI-SET 3/32 PLY IHEORAL BRALS B 1/4 SQUARE RIRI IABS4-EET TOB BOTTOM [4 BALSA ___SCARE7 FULL-SIZE PLANSAVAILABLE SEE PAGE 140 -~2 lB PINE LS 2UNT BLOCKS OVE FOR yR SIC WIRE L S -4 LAMRATCK4S OF — I/S BALSA 1/4 SHEET _______ ____________________V 4 LAMINATICRS OF SOFT L4 V4 BALSAIIDI 3/32 PLY -202 332 PLY L/B SO BALSA STRINGERS T NISHOWN STABILIZERELEV FRFRFOFri WHITEFJSEL GE SID VIEWB1/4 SHEET 1 oKEELS ARE 2 LAMINATILEIS YELLINOF3/16 50 BALSA1/4 STEERABLE /TAt WHEEL FSA --I- [~R BI/2 FlF2F3F4FSPINEOFRFR RAJLS T BALSA LET FORWRFRF7 K V4BALSACUT AWAY OOJBLEB FOB WING AFTFl TIWU FT ARE 3A6 SHEET ASSEMBLY-BALSA FR 13-WIJ FII ARE 1/5 1/4 SHEET HINBS 1/B WIRE flNER / --1/4 -SHEET WEIGHTS GEARED ASTRO-IS4-L2-5I/2 LBS GEARED ASTRO-2564/2-7 LBS GLOW20-305-BLBS installed ready using set Bills Airtronics mini-servos spare XL receiver Since model little bit beefier necessary weighed bit optimum geared Astro 15 fly did amazed can build fine sport airplane either glow engine electric motor will provide conversation piece flying site will somewhat lighter glowengine model will have snappy performance electric however can enjoy benefits silent flight no engine starting problems exhaust mess either Since assume anyone whod tackle project like knows basics building models wont indulge now-glue-this-to-that spiel Instead well take guided tour less-than-obvious things will need know General notes time son built model cyanoacrylate super glues around can save quite bit time little bit weight using Super Jet Hot Stuff etc would highly recommend model has lot surface area use Super Polarized plugs automatic timer built charger make simple foolproof system Note location charging jack Fifteen minutes takes October 1981 25 // ELECTRIC OR GLOW SPORT R/C ISPAN 0 SQ IN AWN BY DON SRULL ITRACING BY JOE OE&IARCO Up up away early test flights minus cowl spinner No heat ing problems found added later theres plenty air circulation MonoKote some other lightweight material covering minimum weight Super Mono Kote also has correct matte colors scalelike finish aware typical fabric covering paint job could add much weight render ship unflyable Astro 15 glow engine Astro 25 extra weight would critical highly recommend book Silent Revolution published Astro Flight contains everything need know about systems sizes weights planes suitable electric power gambled somewhat Spitfire because almost pound heavier recommended gross version shown plans should save ompared prototype Spits generous wing area however yielded wing loading ball park recommended people like Boucher Poling Kopskiall incidentally held crossed fingers until first test flight some special requirements look out going electric system should have fuse have shut-off operated RC Without fuse snagged prop botched takeoff landing could damage motor batteries before get motor turned off means douse amotorcut-offor speed control used inexpensive threeposition switch Astro Flight comes appropriate resistor provides high cruise off motor control operated motor control servo must provide adequate cooling airflow motor batteries follow plans model cooling air exhausted through open cockpit cooling air taken through openings firewall batteries ship never get very hotyou can hold finger end flight Its very important find use right prop electric power Use size instructions recommend start experi ment little find optimum prop particular model general pitch required rather high least 8 in case Spitfire belt drive means unit puts out about half normal rpm twice torque compared ungeared motor means can use large diameter high pitch prop 12-6 found Spit wouldnt take off 12-8 came alive should get better performance 13-8 hadnt tried article written Nor flown geared Astro Flight 25 motor should provide terrific increase performance Gross weight would increase about pound much greater power 25 should fire up Spitfire perhaps yield modest aerobatic capabilities Construction notes Use lightweight balsa throughout except noted fuselage built half shell method top bottom keel pieces laminated plans two pieces 3/16 square balsa strip Bulkheads added next Note side keels also laminated two pieces 3/16 square balsa laminating first dampen wood water use white glue Titebond thinned 50-50 water cement pieces together can also add re stringers half shell plan Remove completed side board complete other side Glue Continued page 114 26 Model Aviation Authors son work pttire iote stanasro wing construction strIngers formers fuselage model gas-powered atfirat cameoutabouta pound heavierthan ne pixrire tueis up oesween nights Connect charger plane car battery set timer 15 minutes walk away Full charge gives about eight minutes flying SCALE WH RADIO CONTROL ROL-UNE EELS FREE-FLIGHT 0000 VINTAGESMOOTHGOLDEN AGENEW sizes21/2CONTOURsizes214BALLOON 3/431/a"23/i"31/ 13341314132/24/z 1/443/i11/43%11/443/3/451/4 154 5 11/2 4 PA 5 3 PA 65/ 21/4 51/4 1 61/2 SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS ALLThJ SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MARCOS CA 9 213 764-1490 I r CakQig 1981 QAeccggoktcg PO BOX R/C GOODIES 3 II 0 VAN NUYS CA 91408 IThis month Es.ie offering SPECIAL PRICES several accessory items RegularI 1prices shown small tvoe BARGAIN PRICES shown heavy typeI V CAPS$895UNIVERSAL SERVO TRAY isibility 2Color CapsV3 match 72 MHz Frec1 Specify size fits I$650 Shipping$279$209 $125 AIR-FLO HINGES21 tray Bantam Cannon \A OA CE3 CE4 CE5 Futaba Kraft KPS12 Midget servos1 ma,Mtg hardware included FREQUENCY FLAGS 051 Golden Bee etc Uses Iron Hinges easy chable holder standard 1/432 glow pluginstall Strips 36 Igpolyester ribbons $219SMALL 1 LARGE 11/2All Freq colors $159$139$159 69 $2500 $169$199 I7S4 ORAdd 75 Shipping Except Caps Calif Residents add inm rn MORE s Tax Catalog 6 USA $170 Foreign 11 l Aviation Would believe Quaker Flash 277 flights May19 92 hours logged time DG Marshall airline man quotes hours flights dream machine powered K&B 35 beefed up stand high times rough ground handling stolen equipment Marshalls station wagon So radios things have ripped off Bill mumbles Rip off everything America fellows its time Sting Don has another no time fly third being covered K&B 61 pumper big cantfind wheels large enough mayputiton floats Don runs rich dont cook keeps light spite going fordura bility pictured spans 7 ft has 1 2-oz tank Throttle back sure bring recliner sun umbrella plenty iced tea maybe 1000 mAh pack dos ferried PBYs San Diego Hawaii 19-hour non-stop night flights Now 86 hasnt flown since 1965 1972 wrote Eighth Sea 290-page thumbnail account career has kept day-by-day diary life racing trophies presented Queen 1977 display Hendon Museum Diaries flight logs licenses other papers donated San Diego Aero-Space Museum hardly notes day week has talk him about airplanes mind becomes alert years ago seems run off memory tape tiny details McArthur recalled bit about old soldiers simply fading away wasnt talking something glorious man like Courtney present circumstances unbear able youd like tell him much appreciated imagine letter addressed him via Warren Shipp Bill Hannan care ModelAviation would please him very much story Among model researchers turned Courtney through channels Don Srull needed color scheme rubber-powered Gannet took Nats sec ond 1923 London Daily Mail sponsored famous British Light Aeroplane Trials Lympne Gannet historic ultralights built major firms Naturally Gloster Gannet Courtneys log books Courtney color blind Bill Winter 4330Alta Vista Dr Fairfax VA 22030 Electric Spitfire/SruII Con fin ued page 26 firewall making sure squared up accurately fuselage Fill nose section between stringers light soft t balsa wing saddle fillets will completed after wing has built Wing Tail Note leading trailing edges wing stab laminated soft balsa strip Moisten strips join thinned white glue fuselage keels Bend stack strips shape right over QUICK N EASY CUT-OUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 No Measuring Needed! TO BUILD 4TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold ladi Tools etc Legs Removable 21 12 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 lifE FANT4STIC NELSON 15 detailed brochure send 25 cents Kus torn Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Ph 714 830-5162 Dealer inquiries invited Dieter Schiuter world famous helicopter designer presents new MinI-5y & Super MIniBoy Show Seration Toledo & Macs Features 25 40 convertible Cyclone fan cooling No heat sinks needed Spinner starting Shaft drive tail rotor Factory researched & developed ChoIpof Rapping hinges Seepav Collective heads Rock table yet fully aerobatic World fv~ois Schluter quality Noi Ccl le9tIve 19995 CollectIve 22995 parts stock World standard metrics sob dealer order direct train UNSEAM Inc 2594 subsidiary MINIATURE AIRCRAFT North Orange Blossom Trail ndo FL 32804 Phone 30514221531 plans using small nails brads hold place dry Since bends gentle laminations will form quite easily After adding ribs wing add upper 1/4 square spar spar laminated two strips alsa Although wing assembled flat bench top spar does bend downward toward tips Wet both pieces water place lamination rib notches glue top lamination sure install 3/32 vertical grain spar webs shown plans add considerable strength wing tail surfaces built up p balsa t balsa tip segments After adding dihedral wing sheeting center section 1/16 sheet balsa can return fuselage complete wing saddle Glue 1/32 ply wing rest fuselage wing place provide proper shape Trim fuselage sheeting necessary get good wing-to-saddle fit Finally add heavy paper 1/16 balsa sheet wing fillet between fuselage ply saddle Dont use usual epoxy putty resin microballoons filletsthis materials too heavy Covering finishing Since trying make everything light possible best way go Super MonoKote similar lightweight covering bottom wing tail fuselage covered flat Dove Gray top plane covered flat Olive Drab upper surfaces camouflaged coat flat tan light earth enamel epoxy Suitable paints include Pactra Military Flats spray can RS Perfect Paint K&B Hobbypoxy Before spraying wipe surface MonoKote thinner acetone remove trace grease oil After camouflage pattern has painted mask spray roundels numbers use masking tape masking markings remove tape adjacent colors will probably lifted off made stencils newspaper just wet paper slide wet stencil place spray Simple worked fine Miscellaneous strnctural details standard called out plan such landing gear mounting blocks wing hold-on dowel nylon bolt nose cowl can built up balsa blocks sheet can make fiberglass keep light vacuum-form out sheet plastic Light cardboard landing gear covers attached landing gear legs silicone glue add final touch ready fly Flying Notes Before flying make sure CG right place wing has no warps wing big dont want slightest warp Reheating covering twisting offending surface simple cure advisable make some fast taxi tests before flight will help get feel airplane before first takeoff Begin takeoff rnn holding up elevator prevent nose-over throttle gunned As soon some speed built up relax neutral plane may fly off itself may require slight bit up elevator help rotation good duration Astro 15 dont indulge steep turns altitude-losing maneu vers Gentle wide turns will retain altitude give maximum flight time taxiing position back pits on-off switch used necessary very effective have motor servo set up full power forward throttle control halfway back gives cruise power full back stick shuts off motor Flying Spitfire beautiful experience Its unique mixture Scale Soaring RC Free Flight Dont look usual gas model performance though wish tear up skies better off usual noisy greasy bombs Im knocking kind flying mind since much RC fun fits category lightly-loaded Scale electric stuff new refreshing change pace dont forget ship also does nice relaxed job sport flying glow engine scale realism something like scale speed appreciated either case sport Spit calm summer evening something behold can build light youll love Big Bangers/BeckmanCrawford Continued page 38 Lauderdale FL 33312 Husky Top Flite Models Inc. l9JI Narragansett Ave Chicago IL 60639 Now lets get notes subjective com ments about four engines tested time Homelite 16 engine currently available directly usable form fairly easy convert several use around country have inquiries about itsince Kirby both use As far Continued page 118 October1981 115 I
Edition: Model Aviation - 1981/10
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 114, 115
NO OCR TEXT NO OCR TEXT would fly Astro 15 did would fly like truck Well cant com pare Spitfire glow-powered Falcon Kadet electric power entirely dif ferent ball game After first five six minutes air time such graceful bird guarantee youll feel new kind modeling thrilldifferent youve experienced before Spectators fellow fliers will stop look just watch faces cut off power altitude glide dead stick turn power last moment go around spectator unmoved other sights busy Sunday walked over knelt close look Spit after seeing fly said under breath Spirit Biggen Hill Perhaps flown real Biggen Hill during Battle Britain Theres something story behind model Back 1973 after son Mark learned fly simple sport RC models wanted build Spitfirea big Spitfire usual heavy RC Scale models type would have beyond capability build fly very light simple version seemed appropriate drew borrowing heavily Earl Stahl rubber-powered Spitfire published Clean lines ample wing area Spitfire makes ideal subject electric Scale WW ii Fine performance glow too 22 Model Aviation Cowl spinner prop removed show simple Installation motor gear drive unit large hole firewall allows cooling air flow past motor battery compartment U L SU6FSU UfUFUII Next tt ransmitter charger whk has ammeter show charge current timer switch fast slow charge box right isa voltage booster clips car battery raises cars 12 volts to24 15-minute charges Alitronics mini servos provide rudder elevator end motor control Servo-operated three-way switch left motor control middle position connects battery motor through dropping resistor cruise speed far right position gives full power 0 po-ouoo e -o lttC COO IT FLOATS U /8 BALSA FILLERS FROM Fl 10 F4 FIBERGLASS OR CARVED BALSA COWUNG GEARED ASTRO 15 ELECTRIC MOTCR WITh BELT DRIVE 3 1/2 SPINNER PLASliC MOTOR MOUNT RING COOLING AIR INTAKES I/B PLYWOOD FIREWALL ON Fl FORMER 3/16 SHEET NOSE KEEL Bill did hear Hank wants Cessna I/4SHEET LEDGE 1/4 SHEET BALSA liPS I/B SQ BALSA STRINGERS DOUBLED AT lOP BOTTOM AND BOTH SIDES CUT CUT THIS SECTION FOR AIR FLON DISCHARGE AFTER CDOUNG ELECMO1OR K SWI1tH TO ELECTRIC MOTOR NYLON BOLT 1/4 BALSATIP AND T EDGE 7 3/16 DOWEL1/32 PIYWOiD 1/16 SHEETON WING CENTER LE ANCHORL E BRACEr SECTiON TOPAND BOTTOM1/8 X 34SHEET D 2 1/32 PLY WQO MINATED 4 STRIPS REINFORCING UPPER AND LONERWEBS 3/32 BALSA FROM LOb THIRD RIB 4 ROBART UNIVERSAL SCALE WHEELS ON 1/8 WIRE V4 X PINE LG MOUNTS I/BX 1/4 BALSA RIBS 1/4 SQ FIN AND RUODER POSTS I/B WIRE JOINS ELEVATORS 1i8 X 1/4 BALSA LAMINATED LE8 T E d K L4X 1/2 BALSA ELEV AND STASIUZER SFRS V4TAILWHEEL ON WIRE 10 FDDEI I/B SHEETBALSA FORMERS 81011 3/16 SHEET FCRMERS FWD FROM FT V8SHEET WING CRADLES FT TO WING LE 1/8 SHEET FILLET FORMER 1/32 PLYWOOD WING SADDLE SKlI V4SQSPARBRACE1/4 50 LOWER WING SRARS 1/4 X 1/8 BALSA TRAUNG EDGE FOUR LAMINATICtIS X 1/4 SHEET BALSA WING TIPS /2 I/8X /4 DOJRED lOP SRARS 3/16 BALSA ALL RIBS Ignore Don Hes married Cub 4 LAMINATIONS OF H 0 Mt C RI RB 4 LAMINATES OFTE R7 SEARED ASTRO-IS MOTOR SHOWNWITH ELECTRIC POWEROMIT THIS SECTION CW CAN ALSO USE GEARED ASTRO-2AUSE MOTOR CONTROL ORFOR BATTERY COOLING OR GIOW ENGRES OF 20 TO 30OR-OFF SWiTCH ORERATEG BY THRO SERVO RBFILL TO F4 WITH SOFT BALSA FiRENGLASS ORk8 BALSA SHEET PLAS7IC COWL/ FAA/ 3-V2 SPIIRER RA FlF2FAF4LWI/4 GOUaER ------FAF H FLIGHT SATTERIPOSniONED BATTERY BETWEEII FA R5 FOR PRORERSERVO PROF R4I CU WIT* CCCLI ~tES FORERAILS 136 OR 146COOLING T [v33][b-1-10-1-10]]AIR FLOW - IT -F 0 II III/BSIEET AR COOLING4H R3NIT4 C G RAI 316 SHEET 315DOWEL FORARY KEEL R2 BBTTCOOLfrG -_______________ 1hhIiIiIIiiiIiIiiIIIIiIZIZPLASTIC CARORTOO -~%W1f EL COAERS MOTOR MNT-1/22 R RBS I6RIe\,,AThWi B FIT TO FUSELAGE PLY WWIG SACKILE ALL OThERS I/BIF ALOE EE3tE W IGED MARE FiREWALL SCUD ieWITH RNISI-ED WiNG IN HOLES B MONT ENGIPE NVERTEDPLACE 0I5 4A6OR RAC4AL MOWIT REALS B GE4 RORART UNIVERSAL CUJN TANK IIM F I, E WHEELS years ago Model Airplane News basically six-foot gas-powered ghost ship employing rubber modeling Free Flight techniques Power 23 glow engine using three channels control respectable amount speed could cruise two-thirds power would float landings touchand-goes cinch After couple years use hung up remote corner base ment Enter Bill Winter has fascination unique off-beat modeling things time Bill visited shop hed wander over dark corner gaze minutes Spitfire night arrived new geared Astro Flight 15 system going use still plans use Astros six-foot Porterfield kit geared 15 fascinating gadget Bill anxious test out model rash moment said dont try electric system Spitfire months discussed possibilities Would fly would fly Would take off ground way find out next time Bill appeared Two nylon bolts takes set up electric Spitfire flying Charging flight batteries done through lack lower fuselage near wing 24 Model Aviation DOWEL DI 1/4 SI-SET 3/32 PLY IHEORAL BRALS B 1/4 SQUARE RIRI IABS4-EET TOB BOTTOM [4 BALSA ___SCARE7 FULL-SIZE PLANSAVAILABLE SEE PAGE 140 -~2 lB PINE LS 2UNT BLOCKS OVE FOR yR SIC WIRE L S -4 LAMRATCK4S OF — I/S BALSA 1/4 SHEET _______ ____________________V 4 LAMINATICRS OF SOFT L4 V4 BALSAIIDI 3/32 PLY -202 332 PLY L/B SO BALSA STRINGERS T NISHOWN STABILIZERELEV FRFRFOFri WHITEFJSEL GE SID VIEWB1/4 SHEET 1 oKEELS ARE 2 LAMINATILEIS YELLINOF3/16 50 BALSA1/4 STEERABLE /TAt WHEEL FSA --I- [~R BI/2 FlF2F3F4FSPINEOFRFR RAJLS T BALSA LET FORWRFRF7 K V4BALSACUT AWAY OOJBLEB FOB WING AFTFl TIWU FT ARE 3A6 SHEET ASSEMBLY-BALSA FR 13-WIJ FII ARE 1/5 1/4 SHEET HINBS 1/B WIRE flNER / --1/4 -SHEET WEIGHTS GEARED ASTRO-IS4-L2-5I/2 LBS GEARED ASTRO-2564/2-7 LBS GLOW20-305-BLBS installed ready using set Bills Airtronics mini-servos spare XL receiver Since model little bit beefier necessary weighed bit optimum geared Astro 15 fly did amazed can build fine sport airplane either glow engine electric motor will provide conversation piece flying site will somewhat lighter glowengine model will have snappy performance electric however can enjoy benefits silent flight no engine starting problems exhaust mess either Since assume anyone whod tackle project like knows basics building models wont indulge now-glue-this-to-that spiel Instead well take guided tour less-than-obvious things will need know General notes time son built model cyanoacrylate super glues around can save quite bit time little bit weight using Super Jet Hot Stuff etc would highly recommend model has lot surface area use Super Polarized plugs automatic timer built charger make simple foolproof system Note location charging jack Fifteen minutes takes October 1981 25 // ELECTRIC OR GLOW SPORT R/C ISPAN 0 SQ IN AWN BY DON SRULL ITRACING BY JOE OE&IARCO Up up away early test flights minus cowl spinner No heat ing problems found added later theres plenty air circulation MonoKote some other lightweight material covering minimum weight Super Mono Kote also has correct matte colors scalelike finish aware typical fabric covering paint job could add much weight render ship unflyable Astro 15 glow engine Astro 25 extra weight would critical highly recommend book Silent Revolution published Astro Flight contains everything need know about systems sizes weights planes suitable electric power gambled somewhat Spitfire because almost pound heavier recommended gross version shown plans should save ompared prototype Spits generous wing area however yielded wing loading ball park recommended people like Boucher Poling Kopskiall incidentally held crossed fingers until first test flight some special requirements look out going electric system should have fuse have shut-off operated RC Without fuse snagged prop botched takeoff landing could damage motor batteries before get motor turned off means douse amotorcut-offor speed control used inexpensive threeposition switch Astro Flight comes appropriate resistor provides high cruise off motor control operated motor control servo must provide adequate cooling airflow motor batteries follow plans model cooling air exhausted through open cockpit cooling air taken through openings firewall batteries ship never get very hotyou can hold finger end flight Its very important find use right prop electric power Use size instructions recommend start experi ment little find optimum prop particular model general pitch required rather high least 8 in case Spitfire belt drive means unit puts out about half normal rpm twice torque compared ungeared motor means can use large diameter high pitch prop 12-6 found Spit wouldnt take off 12-8 came alive should get better performance 13-8 hadnt tried article written Nor flown geared Astro Flight 25 motor should provide terrific increase performance Gross weight would increase about pound much greater power 25 should fire up Spitfire perhaps yield modest aerobatic capabilities Construction notes Use lightweight balsa throughout except noted fuselage built half shell method top bottom keel pieces laminated plans two pieces 3/16 square balsa strip Bulkheads added next Note side keels also laminated two pieces 3/16 square balsa laminating first dampen wood water use white glue Titebond thinned 50-50 water cement pieces together can also add re stringers half shell plan Remove completed side board complete other side Glue Continued page 114 26 Model Aviation Authors son work pttire iote stanasro wing construction strIngers formers fuselage model gas-powered atfirat cameoutabouta pound heavierthan ne pixrire tueis up oesween nights Connect charger plane car battery set timer 15 minutes walk away Full charge gives about eight minutes flying SCALE WH RADIO CONTROL ROL-UNE EELS FREE-FLIGHT 0000 VINTAGESMOOTHGOLDEN AGENEW sizes21/2CONTOURsizes214BALLOON 3/431/a"23/i"31/ 13341314132/24/z 1/443/i11/43%11/443/3/451/4 154 5 11/2 4 PA 5 3 PA 65/ 21/4 51/4 1 61/2 SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS ALLThJ SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MARCOS CA 9 213 764-1490 I r CakQig 1981 QAeccggoktcg PO BOX R/C GOODIES 3 II 0 VAN NUYS CA 91408 IThis month Es.ie offering SPECIAL PRICES several accessory items RegularI 1prices shown small tvoe BARGAIN PRICES shown heavy typeI V CAPS$895UNIVERSAL SERVO TRAY isibility 2Color CapsV3 match 72 MHz Frec1 Specify size fits I$650 Shipping$279$209 $125 AIR-FLO HINGES21 tray Bantam Cannon \A OA CE3 CE4 CE5 Futaba Kraft KPS12 Midget servos1 ma,Mtg hardware included FREQUENCY FLAGS 051 Golden Bee etc Uses Iron Hinges easy chable holder standard 1/432 glow pluginstall Strips 36 Igpolyester ribbons $219SMALL 1 LARGE 11/2All Freq colors $159$139$159 69 $2500 $169$199 I7S4 ORAdd 75 Shipping Except Caps Calif Residents add inm rn MORE s Tax Catalog 6 USA $170 Foreign 11 l Aviation Would believe Quaker Flash 277 flights May19 92 hours logged time DG Marshall airline man quotes hours flights dream machine powered K&B 35 beefed up stand high times rough ground handling stolen equipment Marshalls station wagon So radios things have ripped off Bill mumbles Rip off everything America fellows its time Sting Don has another no time fly third being covered K&B 61 pumper big cantfind wheels large enough mayputiton floats Don runs rich dont cook keeps light spite going fordura bility pictured spans 7 ft has 1 2-oz tank Throttle back sure bring recliner sun umbrella plenty iced tea maybe 1000 mAh pack dos ferried PBYs San Diego Hawaii 19-hour non-stop night flights Now 86 hasnt flown since 1965 1972 wrote Eighth Sea 290-page thumbnail account career has kept day-by-day diary life racing trophies presented Queen 1977 display Hendon Museum Diaries flight logs licenses other papers donated San Diego Aero-Space Museum hardly notes day week has talk him about airplanes mind becomes alert years ago seems run off memory tape tiny details McArthur recalled bit about old soldiers simply fading away wasnt talking something glorious man like Courtney present circumstances unbear able youd like tell him much appreciated imagine letter addressed him via Warren Shipp Bill Hannan care ModelAviation would please him very much story Among model researchers turned Courtney through channels Don Srull needed color scheme rubber-powered Gannet took Nats sec ond 1923 London Daily Mail sponsored famous British Light Aeroplane Trials Lympne Gannet historic ultralights built major firms Naturally Gloster Gannet Courtneys log books Courtney color blind Bill Winter 4330Alta Vista Dr Fairfax VA 22030 Electric Spitfire/SruII Con fin ued page 26 firewall making sure squared up accurately fuselage Fill nose section between stringers light soft t balsa wing saddle fillets will completed after wing has built Wing Tail Note leading trailing edges wing stab laminated soft balsa strip Moisten strips join thinned white glue fuselage keels Bend stack strips shape right over QUICK N EASY CUT-OUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 No Measuring Needed! TO BUILD 4TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold ladi Tools etc Legs Removable 21 12 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 lifE FANT4STIC NELSON 15 detailed brochure send 25 cents Kus torn Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Ph 714 830-5162 Dealer inquiries invited Dieter Schiuter world famous helicopter designer presents new MinI-5y & Super MIniBoy Show Seration Toledo & Macs Features 25 40 convertible Cyclone fan cooling No heat sinks needed Spinner starting Shaft drive tail rotor Factory researched & developed ChoIpof Rapping hinges Seepav Collective heads Rock table yet fully aerobatic World fv~ois Schluter quality Noi Ccl le9tIve 19995 CollectIve 22995 parts stock World standard metrics sob dealer order direct train UNSEAM Inc 2594 subsidiary MINIATURE AIRCRAFT North Orange Blossom Trail ndo FL 32804 Phone 30514221531 plans using small nails brads hold place dry Since bends gentle laminations will form quite easily After adding ribs wing add upper 1/4 square spar spar laminated two strips alsa Although wing assembled flat bench top spar does bend downward toward tips Wet both pieces water place lamination rib notches glue top lamination sure install 3/32 vertical grain spar webs shown plans add considerable strength wing tail surfaces built up p balsa t balsa tip segments After adding dihedral wing sheeting center section 1/16 sheet balsa can return fuselage complete wing saddle Glue 1/32 ply wing rest fuselage wing place provide proper shape Trim fuselage sheeting necessary get good wing-to-saddle fit Finally add heavy paper 1/16 balsa sheet wing fillet between fuselage ply saddle Dont use usual epoxy putty resin microballoons filletsthis materials too heavy Covering finishing Since trying make everything light possible best way go Super MonoKote similar lightweight covering bottom wing tail fuselage covered flat Dove Gray top plane covered flat Olive Drab upper surfaces camouflaged coat flat tan light earth enamel epoxy Suitable paints include Pactra Military Flats spray can RS Perfect Paint K&B Hobbypoxy Before spraying wipe surface MonoKote thinner acetone remove trace grease oil After camouflage pattern has painted mask spray roundels numbers use masking tape masking markings remove tape adjacent colors will probably lifted off made stencils newspaper just wet paper slide wet stencil place spray Simple worked fine Miscellaneous strnctural details standard called out plan such landing gear mounting blocks wing hold-on dowel nylon bolt nose cowl can built up balsa blocks sheet can make fiberglass keep light vacuum-form out sheet plastic Light cardboard landing gear covers attached landing gear legs silicone glue add final touch ready fly Flying Notes Before flying make sure CG right place wing has no warps wing big dont want slightest warp Reheating covering twisting offending surface simple cure advisable make some fast taxi tests before flight will help get feel airplane before first takeoff Begin takeoff rnn holding up elevator prevent nose-over throttle gunned As soon some speed built up relax neutral plane may fly off itself may require slight bit up elevator help rotation good duration Astro 15 dont indulge steep turns altitude-losing maneu vers Gentle wide turns will retain altitude give maximum flight time taxiing position back pits on-off switch used necessary very effective have motor servo set up full power forward throttle control halfway back gives cruise power full back stick shuts off motor Flying Spitfire beautiful experience Its unique mixture Scale Soaring RC Free Flight Dont look usual gas model performance though wish tear up skies better off usual noisy greasy bombs Im knocking kind flying mind since much RC fun fits category lightly-loaded Scale electric stuff new refreshing change pace dont forget ship also does nice relaxed job sport flying glow engine scale realism something like scale speed appreciated either case sport Spit calm summer evening something behold can build light youll love Big Bangers/BeckmanCrawford Continued page 38 Lauderdale FL 33312 Husky Top Flite Models Inc. l9JI Narragansett Ave Chicago IL 60639 Now lets get notes subjective com ments about four engines tested time Homelite 16 engine currently available directly usable form fairly easy convert several use around country have inquiries about itsince Kirby both use As far Continued page 118 October1981 115 I
Edition: Model Aviation - 1981/10
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 114, 115
NO OCR TEXT NO OCR TEXT would fly Astro 15 did would fly like truck Well cant com pare Spitfire glow-powered Falcon Kadet electric power entirely dif ferent ball game After first five six minutes air time such graceful bird guarantee youll feel new kind modeling thrilldifferent youve experienced before Spectators fellow fliers will stop look just watch faces cut off power altitude glide dead stick turn power last moment go around spectator unmoved other sights busy Sunday walked over knelt close look Spit after seeing fly said under breath Spirit Biggen Hill Perhaps flown real Biggen Hill during Battle Britain Theres something story behind model Back 1973 after son Mark learned fly simple sport RC models wanted build Spitfirea big Spitfire usual heavy RC Scale models type would have beyond capability build fly very light simple version seemed appropriate drew borrowing heavily Earl Stahl rubber-powered Spitfire published Clean lines ample wing area Spitfire makes ideal subject electric Scale WW ii Fine performance glow too 22 Model Aviation Cowl spinner prop removed show simple Installation motor gear drive unit large hole firewall allows cooling air flow past motor battery compartment U L SU6FSU UfUFUII Next tt ransmitter charger whk has ammeter show charge current timer switch fast slow charge box right isa voltage booster clips car battery raises cars 12 volts to24 15-minute charges Alitronics mini servos provide rudder elevator end motor control Servo-operated three-way switch left motor control middle position connects battery motor through dropping resistor cruise speed far right position gives full power 0 po-ouoo e -o lttC COO IT FLOATS U /8 BALSA FILLERS FROM Fl 10 F4 FIBERGLASS OR CARVED BALSA COWUNG GEARED ASTRO 15 ELECTRIC MOTCR WITh BELT DRIVE 3 1/2 SPINNER PLASliC MOTOR MOUNT RING COOLING AIR INTAKES I/B PLYWOOD FIREWALL ON Fl FORMER 3/16 SHEET NOSE KEEL Bill did hear Hank wants Cessna I/4SHEET LEDGE 1/4 SHEET BALSA liPS I/B SQ BALSA STRINGERS DOUBLED AT lOP BOTTOM AND BOTH SIDES CUT CUT THIS SECTION FOR AIR FLON DISCHARGE AFTER CDOUNG ELECMO1OR K SWI1tH TO ELECTRIC MOTOR NYLON BOLT 1/4 BALSATIP AND T EDGE 7 3/16 DOWEL1/32 PIYWOiD 1/16 SHEETON WING CENTER LE ANCHORL E BRACEr SECTiON TOPAND BOTTOM1/8 X 34SHEET D 2 1/32 PLY WQO MINATED 4 STRIPS REINFORCING UPPER AND LONERWEBS 3/32 BALSA FROM LOb THIRD RIB 4 ROBART UNIVERSAL SCALE WHEELS ON 1/8 WIRE V4 X PINE LG MOUNTS I/BX 1/4 BALSA RIBS 1/4 SQ FIN AND RUODER POSTS I/B WIRE JOINS ELEVATORS 1i8 X 1/4 BALSA LAMINATED LE8 T E d K L4X 1/2 BALSA ELEV AND STASIUZER SFRS V4TAILWHEEL ON WIRE 10 FDDEI I/B SHEETBALSA FORMERS 81011 3/16 SHEET FCRMERS FWD FROM FT V8SHEET WING CRADLES FT TO WING LE 1/8 SHEET FILLET FORMER 1/32 PLYWOOD WING SADDLE SKlI V4SQSPARBRACE1/4 50 LOWER WING SRARS 1/4 X 1/8 BALSA TRAUNG EDGE FOUR LAMINATICtIS X 1/4 SHEET BALSA WING TIPS /2 I/8X /4 DOJRED lOP SRARS 3/16 BALSA ALL RIBS Ignore Don Hes married Cub 4 LAMINATIONS OF H 0 Mt C RI RB 4 LAMINATES OFTE R7 SEARED ASTRO-IS MOTOR SHOWNWITH ELECTRIC POWEROMIT THIS SECTION CW CAN ALSO USE GEARED ASTRO-2AUSE MOTOR CONTROL ORFOR BATTERY COOLING OR GIOW ENGRES OF 20 TO 30OR-OFF SWiTCH ORERATEG BY THRO SERVO RBFILL TO F4 WITH SOFT BALSA FiRENGLASS ORk8 BALSA SHEET PLAS7IC COWL/ FAA/ 3-V2 SPIIRER RA FlF2FAF4LWI/4 GOUaER ------FAF H FLIGHT SATTERIPOSniONED BATTERY BETWEEII FA R5 FOR PRORERSERVO PROF R4I CU WIT* CCCLI ~tES FORERAILS 136 OR 146COOLING T [v33][b-1-10-1-10]]AIR FLOW - IT -F 0 II III/BSIEET AR COOLING4H R3NIT4 C G RAI 316 SHEET 315DOWEL FORARY KEEL R2 BBTTCOOLfrG -_______________ 1hhIiIiIIiiiIiIiiIIIIiIZIZPLASTIC CARORTOO -~%W1f EL COAERS MOTOR MNT-1/22 R RBS I6RIe\,,AThWi B FIT TO FUSELAGE PLY WWIG SACKILE ALL OThERS I/BIF ALOE EE3tE W IGED MARE FiREWALL SCUD ieWITH RNISI-ED WiNG IN HOLES B MONT ENGIPE NVERTEDPLACE 0I5 4A6OR RAC4AL MOWIT REALS B GE4 RORART UNIVERSAL CUJN TANK IIM F I, E WHEELS years ago Model Airplane News basically six-foot gas-powered ghost ship employing rubber modeling Free Flight techniques Power 23 glow engine using three channels control respectable amount speed could cruise two-thirds power would float landings touchand-goes cinch After couple years use hung up remote corner base ment Enter Bill Winter has fascination unique off-beat modeling things time Bill visited shop hed wander over dark corner gaze minutes Spitfire night arrived new geared Astro Flight 15 system going use still plans use Astros six-foot Porterfield kit geared 15 fascinating gadget Bill anxious test out model rash moment said dont try electric system Spitfire months discussed possibilities Would fly would fly Would take off ground way find out next time Bill appeared Two nylon bolts takes set up electric Spitfire flying Charging flight batteries done through lack lower fuselage near wing 24 Model Aviation DOWEL DI 1/4 SI-SET 3/32 PLY IHEORAL BRALS B 1/4 SQUARE RIRI IABS4-EET TOB BOTTOM [4 BALSA ___SCARE7 FULL-SIZE PLANSAVAILABLE SEE PAGE 140 -~2 lB PINE LS 2UNT BLOCKS OVE FOR yR SIC WIRE L S -4 LAMRATCK4S OF — I/S BALSA 1/4 SHEET _______ ____________________V 4 LAMINATICRS OF SOFT L4 V4 BALSAIIDI 3/32 PLY -202 332 PLY L/B SO BALSA STRINGERS T NISHOWN STABILIZERELEV FRFRFOFri WHITEFJSEL GE SID VIEWB1/4 SHEET 1 oKEELS ARE 2 LAMINATILEIS YELLINOF3/16 50 BALSA1/4 STEERABLE /TAt WHEEL FSA --I- [~R BI/2 FlF2F3F4FSPINEOFRFR RAJLS T BALSA LET FORWRFRF7 K V4BALSACUT AWAY OOJBLEB FOB WING AFTFl TIWU FT ARE 3A6 SHEET ASSEMBLY-BALSA FR 13-WIJ FII ARE 1/5 1/4 SHEET HINBS 1/B WIRE flNER / --1/4 -SHEET WEIGHTS GEARED ASTRO-IS4-L2-5I/2 LBS GEARED ASTRO-2564/2-7 LBS GLOW20-305-BLBS installed ready using set Bills Airtronics mini-servos spare XL receiver Since model little bit beefier necessary weighed bit optimum geared Astro 15 fly did amazed can build fine sport airplane either glow engine electric motor will provide conversation piece flying site will somewhat lighter glowengine model will have snappy performance electric however can enjoy benefits silent flight no engine starting problems exhaust mess either Since assume anyone whod tackle project like knows basics building models wont indulge now-glue-this-to-that spiel Instead well take guided tour less-than-obvious things will need know General notes time son built model cyanoacrylate super glues around can save quite bit time little bit weight using Super Jet Hot Stuff etc would highly recommend model has lot surface area use Super Polarized plugs automatic timer built charger make simple foolproof system Note location charging jack Fifteen minutes takes October 1981 25 // ELECTRIC OR GLOW SPORT R/C ISPAN 0 SQ IN AWN BY DON SRULL ITRACING BY JOE OE&IARCO Up up away early test flights minus cowl spinner No heat ing problems found added later theres plenty air circulation MonoKote some other lightweight material covering minimum weight Super Mono Kote also has correct matte colors scalelike finish aware typical fabric covering paint job could add much weight render ship unflyable Astro 15 glow engine Astro 25 extra weight would critical highly recommend book Silent Revolution published Astro Flight contains everything need know about systems sizes weights planes suitable electric power gambled somewhat Spitfire because almost pound heavier recommended gross version shown plans should save ompared prototype Spits generous wing area however yielded wing loading ball park recommended people like Boucher Poling Kopskiall incidentally held crossed fingers until first test flight some special requirements look out going electric system should have fuse have shut-off operated RC Without fuse snagged prop botched takeoff landing could damage motor batteries before get motor turned off means douse amotorcut-offor speed control used inexpensive threeposition switch Astro Flight comes appropriate resistor provides high cruise off motor control operated motor control servo must provide adequate cooling airflow motor batteries follow plans model cooling air exhausted through open cockpit cooling air taken through openings firewall batteries ship never get very hotyou can hold finger end flight Its very important find use right prop electric power Use size instructions recommend start experi ment little find optimum prop particular model general pitch required rather high least 8 in case Spitfire belt drive means unit puts out about half normal rpm twice torque compared ungeared motor means can use large diameter high pitch prop 12-6 found Spit wouldnt take off 12-8 came alive should get better performance 13-8 hadnt tried article written Nor flown geared Astro Flight 25 motor should provide terrific increase performance Gross weight would increase about pound much greater power 25 should fire up Spitfire perhaps yield modest aerobatic capabilities Construction notes Use lightweight balsa throughout except noted fuselage built half shell method top bottom keel pieces laminated plans two pieces 3/16 square balsa strip Bulkheads added next Note side keels also laminated two pieces 3/16 square balsa laminating first dampen wood water use white glue Titebond thinned 50-50 water cement pieces together can also add re stringers half shell plan Remove completed side board complete other side Glue Continued page 114 26 Model Aviation Authors son work pttire iote stanasro wing construction strIngers formers fuselage model gas-powered atfirat cameoutabouta pound heavierthan ne pixrire tueis up oesween nights Connect charger plane car battery set timer 15 minutes walk away Full charge gives about eight minutes flying SCALE WH RADIO CONTROL ROL-UNE EELS FREE-FLIGHT 0000 VINTAGESMOOTHGOLDEN AGENEW sizes21/2CONTOURsizes214BALLOON 3/431/a"23/i"31/ 13341314132/24/z 1/443/i11/43%11/443/3/451/4 154 5 11/2 4 PA 5 3 PA 65/ 21/4 51/4 1 61/2 SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS ALLThJ SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MARCOS CA 9 213 764-1490 I r CakQig 1981 QAeccggoktcg PO BOX R/C GOODIES 3 II 0 VAN NUYS CA 91408 IThis month Es.ie offering SPECIAL PRICES several accessory items RegularI 1prices shown small tvoe BARGAIN PRICES shown heavy typeI V CAPS$895UNIVERSAL SERVO TRAY isibility 2Color CapsV3 match 72 MHz Frec1 Specify size fits I$650 Shipping$279$209 $125 AIR-FLO HINGES21 tray Bantam Cannon \A OA CE3 CE4 CE5 Futaba Kraft KPS12 Midget servos1 ma,Mtg hardware included FREQUENCY FLAGS 051 Golden Bee etc Uses Iron Hinges easy chable holder standard 1/432 glow pluginstall Strips 36 Igpolyester ribbons $219SMALL 1 LARGE 11/2All Freq colors $159$139$159 69 $2500 $169$199 I7S4 ORAdd 75 Shipping Except Caps Calif Residents add inm rn MORE s Tax Catalog 6 USA $170 Foreign 11 l Aviation Would believe Quaker Flash 277 flights May19 92 hours logged time DG Marshall airline man quotes hours flights dream machine powered K&B 35 beefed up stand high times rough ground handling stolen equipment Marshalls station wagon So radios things have ripped off Bill mumbles Rip off everything America fellows its time Sting Don has another no time fly third being covered K&B 61 pumper big cantfind wheels large enough mayputiton floats Don runs rich dont cook keeps light spite going fordura bility pictured spans 7 ft has 1 2-oz tank Throttle back sure bring recliner sun umbrella plenty iced tea maybe 1000 mAh pack dos ferried PBYs San Diego Hawaii 19-hour non-stop night flights Now 86 hasnt flown since 1965 1972 wrote Eighth Sea 290-page thumbnail account career has kept day-by-day diary life racing trophies presented Queen 1977 display Hendon Museum Diaries flight logs licenses other papers donated San Diego Aero-Space Museum hardly notes day week has talk him about airplanes mind becomes alert years ago seems run off memory tape tiny details McArthur recalled bit about old soldiers simply fading away wasnt talking something glorious man like Courtney present circumstances unbear able youd like tell him much appreciated imagine letter addressed him via Warren Shipp Bill Hannan care ModelAviation would please him very much story Among model researchers turned Courtney through channels Don Srull needed color scheme rubber-powered Gannet took Nats sec ond 1923 London Daily Mail sponsored famous British Light Aeroplane Trials Lympne Gannet historic ultralights built major firms Naturally Gloster Gannet Courtneys log books Courtney color blind Bill Winter 4330Alta Vista Dr Fairfax VA 22030 Electric Spitfire/SruII Con fin ued page 26 firewall making sure squared up accurately fuselage Fill nose section between stringers light soft t balsa wing saddle fillets will completed after wing has built Wing Tail Note leading trailing edges wing stab laminated soft balsa strip Moisten strips join thinned white glue fuselage keels Bend stack strips shape right over QUICK N EASY CUT-OUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 No Measuring Needed! TO BUILD 4TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold ladi Tools etc Legs Removable 21 12 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 lifE FANT4STIC NELSON 15 detailed brochure send 25 cents Kus torn Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Ph 714 830-5162 Dealer inquiries invited Dieter Schiuter world famous helicopter designer presents new MinI-5y & Super MIniBoy Show Seration Toledo & Macs Features 25 40 convertible Cyclone fan cooling No heat sinks needed Spinner starting Shaft drive tail rotor Factory researched & developed ChoIpof Rapping hinges Seepav Collective heads Rock table yet fully aerobatic World fv~ois Schluter quality Noi Ccl le9tIve 19995 CollectIve 22995 parts stock World standard metrics sob dealer order direct train UNSEAM Inc 2594 subsidiary MINIATURE AIRCRAFT North Orange Blossom Trail ndo FL 32804 Phone 30514221531 plans using small nails brads hold place dry Since bends gentle laminations will form quite easily After adding ribs wing add upper 1/4 square spar spar laminated two strips alsa Although wing assembled flat bench top spar does bend downward toward tips Wet both pieces water place lamination rib notches glue top lamination sure install 3/32 vertical grain spar webs shown plans add considerable strength wing tail surfaces built up p balsa t balsa tip segments After adding dihedral wing sheeting center section 1/16 sheet balsa can return fuselage complete wing saddle Glue 1/32 ply wing rest fuselage wing place provide proper shape Trim fuselage sheeting necessary get good wing-to-saddle fit Finally add heavy paper 1/16 balsa sheet wing fillet between fuselage ply saddle Dont use usual epoxy putty resin microballoons filletsthis materials too heavy Covering finishing Since trying make everything light possible best way go Super MonoKote similar lightweight covering bottom wing tail fuselage covered flat Dove Gray top plane covered flat Olive Drab upper surfaces camouflaged coat flat tan light earth enamel epoxy Suitable paints include Pactra Military Flats spray can RS Perfect Paint K&B Hobbypoxy Before spraying wipe surface MonoKote thinner acetone remove trace grease oil After camouflage pattern has painted mask spray roundels numbers use masking tape masking markings remove tape adjacent colors will probably lifted off made stencils newspaper just wet paper slide wet stencil place spray Simple worked fine Miscellaneous strnctural details standard called out plan such landing gear mounting blocks wing hold-on dowel nylon bolt nose cowl can built up balsa blocks sheet can make fiberglass keep light vacuum-form out sheet plastic Light cardboard landing gear covers attached landing gear legs silicone glue add final touch ready fly Flying Notes Before flying make sure CG right place wing has no warps wing big dont want slightest warp Reheating covering twisting offending surface simple cure advisable make some fast taxi tests before flight will help get feel airplane before first takeoff Begin takeoff rnn holding up elevator prevent nose-over throttle gunned As soon some speed built up relax neutral plane may fly off itself may require slight bit up elevator help rotation good duration Astro 15 dont indulge steep turns altitude-losing maneu vers Gentle wide turns will retain altitude give maximum flight time taxiing position back pits on-off switch used necessary very effective have motor servo set up full power forward throttle control halfway back gives cruise power full back stick shuts off motor Flying Spitfire beautiful experience Its unique mixture Scale Soaring RC Free Flight Dont look usual gas model performance though wish tear up skies better off usual noisy greasy bombs Im knocking kind flying mind since much RC fun fits category lightly-loaded Scale electric stuff new refreshing change pace dont forget ship also does nice relaxed job sport flying glow engine scale realism something like scale speed appreciated either case sport Spit calm summer evening something behold can build light youll love Big Bangers/BeckmanCrawford Continued page 38 Lauderdale FL 33312 Husky Top Flite Models Inc. l9JI Narragansett Ave Chicago IL 60639 Now lets get notes subjective com ments about four engines tested time Homelite 16 engine currently available directly usable form fairly easy convert several use around country have inquiries about itsince Kirby both use As far Continued page 118 October1981 115 I
Edition: Model Aviation - 1981/10
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 114, 115
NO OCR TEXT NO OCR TEXT would fly Astro 15 did would fly like truck Well cant com pare Spitfire glow-powered Falcon Kadet electric power entirely dif ferent ball game After first five six minutes air time such graceful bird guarantee youll feel new kind modeling thrilldifferent youve experienced before Spectators fellow fliers will stop look just watch faces cut off power altitude glide dead stick turn power last moment go around spectator unmoved other sights busy Sunday walked over knelt close look Spit after seeing fly said under breath Spirit Biggen Hill Perhaps flown real Biggen Hill during Battle Britain Theres something story behind model Back 1973 after son Mark learned fly simple sport RC models wanted build Spitfirea big Spitfire usual heavy RC Scale models type would have beyond capability build fly very light simple version seemed appropriate drew borrowing heavily Earl Stahl rubber-powered Spitfire published Clean lines ample wing area Spitfire makes ideal subject electric Scale WW ii Fine performance glow too 22 Model Aviation Cowl spinner prop removed show simple Installation motor gear drive unit large hole firewall allows cooling air flow past motor battery compartment U L SU6FSU UfUFUII Next tt ransmitter charger whk has ammeter show charge current timer switch fast slow charge box right isa voltage booster clips car battery raises cars 12 volts to24 15-minute charges Alitronics mini servos provide rudder elevator end motor control Servo-operated three-way switch left motor control middle position connects battery motor through dropping resistor cruise speed far right position gives full power 0 po-ouoo e -o lttC COO IT FLOATS U /8 BALSA FILLERS FROM Fl 10 F4 FIBERGLASS OR CARVED BALSA COWUNG GEARED ASTRO 15 ELECTRIC MOTCR WITh BELT DRIVE 3 1/2 SPINNER PLASliC MOTOR MOUNT RING COOLING AIR INTAKES I/B PLYWOOD FIREWALL ON Fl FORMER 3/16 SHEET NOSE KEEL Bill did hear Hank wants Cessna I/4SHEET LEDGE 1/4 SHEET BALSA liPS I/B SQ BALSA STRINGERS DOUBLED AT lOP BOTTOM AND BOTH SIDES CUT CUT THIS SECTION FOR AIR FLON DISCHARGE AFTER CDOUNG ELECMO1OR K SWI1tH TO ELECTRIC MOTOR NYLON BOLT 1/4 BALSATIP AND T EDGE 7 3/16 DOWEL1/32 PIYWOiD 1/16 SHEETON WING CENTER LE ANCHORL E BRACEr SECTiON TOPAND BOTTOM1/8 X 34SHEET D 2 1/32 PLY WQO MINATED 4 STRIPS REINFORCING UPPER AND LONERWEBS 3/32 BALSA FROM LOb THIRD RIB 4 ROBART UNIVERSAL SCALE WHEELS ON 1/8 WIRE V4 X PINE LG MOUNTS I/BX 1/4 BALSA RIBS 1/4 SQ FIN AND RUODER POSTS I/B WIRE JOINS ELEVATORS 1i8 X 1/4 BALSA LAMINATED LE8 T E d K L4X 1/2 BALSA ELEV AND STASIUZER SFRS V4TAILWHEEL ON WIRE 10 FDDEI I/B SHEETBALSA FORMERS 81011 3/16 SHEET FCRMERS FWD FROM FT V8SHEET WING CRADLES FT TO WING LE 1/8 SHEET FILLET FORMER 1/32 PLYWOOD WING SADDLE SKlI V4SQSPARBRACE1/4 50 LOWER WING SRARS 1/4 X 1/8 BALSA TRAUNG EDGE FOUR LAMINATICtIS X 1/4 SHEET BALSA WING TIPS /2 I/8X /4 DOJRED lOP SRARS 3/16 BALSA ALL RIBS Ignore Don Hes married Cub 4 LAMINATIONS OF H 0 Mt C RI RB 4 LAMINATES OFTE R7 SEARED ASTRO-IS MOTOR SHOWNWITH ELECTRIC POWEROMIT THIS SECTION CW CAN ALSO USE GEARED ASTRO-2AUSE MOTOR CONTROL ORFOR BATTERY COOLING OR GIOW ENGRES OF 20 TO 30OR-OFF SWiTCH ORERATEG BY THRO SERVO RBFILL TO F4 WITH SOFT BALSA FiRENGLASS ORk8 BALSA SHEET PLAS7IC COWL/ FAA/ 3-V2 SPIIRER RA FlF2FAF4LWI/4 GOUaER ------FAF H FLIGHT SATTERIPOSniONED BATTERY BETWEEII FA R5 FOR PRORERSERVO PROF R4I CU WIT* CCCLI ~tES FORERAILS 136 OR 146COOLING T [v33][b-1-10-1-10]]AIR FLOW - IT -F 0 II III/BSIEET AR COOLING4H R3NIT4 C G RAI 316 SHEET 315DOWEL FORARY KEEL R2 BBTTCOOLfrG -_______________ 1hhIiIiIIiiiIiIiiIIIIiIZIZPLASTIC CARORTOO -~%W1f EL COAERS MOTOR MNT-1/22 R RBS I6RIe\,,AThWi B FIT TO FUSELAGE PLY WWIG SACKILE ALL OThERS I/BIF ALOE EE3tE W IGED MARE FiREWALL SCUD ieWITH RNISI-ED WiNG IN HOLES B MONT ENGIPE NVERTEDPLACE 0I5 4A6OR RAC4AL MOWIT REALS B GE4 RORART UNIVERSAL CUJN TANK IIM F I, E WHEELS years ago Model Airplane News basically six-foot gas-powered ghost ship employing rubber modeling Free Flight techniques Power 23 glow engine using three channels control respectable amount speed could cruise two-thirds power would float landings touchand-goes cinch After couple years use hung up remote corner base ment Enter Bill Winter has fascination unique off-beat modeling things time Bill visited shop hed wander over dark corner gaze minutes Spitfire night arrived new geared Astro Flight 15 system going use still plans use Astros six-foot Porterfield kit geared 15 fascinating gadget Bill anxious test out model rash moment said dont try electric system Spitfire months discussed possibilities Would fly would fly Would take off ground way find out next time Bill appeared Two nylon bolts takes set up electric Spitfire flying Charging flight batteries done through lack lower fuselage near wing 24 Model Aviation DOWEL DI 1/4 SI-SET 3/32 PLY IHEORAL BRALS B 1/4 SQUARE RIRI IABS4-EET TOB BOTTOM [4 BALSA ___SCARE7 FULL-SIZE PLANSAVAILABLE SEE PAGE 140 -~2 lB PINE LS 2UNT BLOCKS OVE FOR yR SIC WIRE L S -4 LAMRATCK4S OF — I/S BALSA 1/4 SHEET _______ ____________________V 4 LAMINATICRS OF SOFT L4 V4 BALSAIIDI 3/32 PLY -202 332 PLY L/B SO BALSA STRINGERS T NISHOWN STABILIZERELEV FRFRFOFri WHITEFJSEL GE SID VIEWB1/4 SHEET 1 oKEELS ARE 2 LAMINATILEIS YELLINOF3/16 50 BALSA1/4 STEERABLE /TAt WHEEL FSA --I- [~R BI/2 FlF2F3F4FSPINEOFRFR RAJLS T BALSA LET FORWRFRF7 K V4BALSACUT AWAY OOJBLEB FOB WING AFTFl TIWU FT ARE 3A6 SHEET ASSEMBLY-BALSA FR 13-WIJ FII ARE 1/5 1/4 SHEET HINBS 1/B WIRE flNER / --1/4 -SHEET WEIGHTS GEARED ASTRO-IS4-L2-5I/2 LBS GEARED ASTRO-2564/2-7 LBS GLOW20-305-BLBS installed ready using set Bills Airtronics mini-servos spare XL receiver Since model little bit beefier necessary weighed bit optimum geared Astro 15 fly did amazed can build fine sport airplane either glow engine electric motor will provide conversation piece flying site will somewhat lighter glowengine model will have snappy performance electric however can enjoy benefits silent flight no engine starting problems exhaust mess either Since assume anyone whod tackle project like knows basics building models wont indulge now-glue-this-to-that spiel Instead well take guided tour less-than-obvious things will need know General notes time son built model cyanoacrylate super glues around can save quite bit time little bit weight using Super Jet Hot Stuff etc would highly recommend model has lot surface area use Super Polarized plugs automatic timer built charger make simple foolproof system Note location charging jack Fifteen minutes takes October 1981 25 // ELECTRIC OR GLOW SPORT R/C ISPAN 0 SQ IN AWN BY DON SRULL ITRACING BY JOE OE&IARCO Up up away early test flights minus cowl spinner No heat ing problems found added later theres plenty air circulation MonoKote some other lightweight material covering minimum weight Super Mono Kote also has correct matte colors scalelike finish aware typical fabric covering paint job could add much weight render ship unflyable Astro 15 glow engine Astro 25 extra weight would critical highly recommend book Silent Revolution published Astro Flight contains everything need know about systems sizes weights planes suitable electric power gambled somewhat Spitfire because almost pound heavier recommended gross version shown plans should save ompared prototype Spits generous wing area however yielded wing loading ball park recommended people like Boucher Poling Kopskiall incidentally held crossed fingers until first test flight some special requirements look out going electric system should have fuse have shut-off operated RC Without fuse snagged prop botched takeoff landing could damage motor batteries before get motor turned off means douse amotorcut-offor speed control used inexpensive threeposition switch Astro Flight comes appropriate resistor provides high cruise off motor control operated motor control servo must provide adequate cooling airflow motor batteries follow plans model cooling air exhausted through open cockpit cooling air taken through openings firewall batteries ship never get very hotyou can hold finger end flight Its very important find use right prop electric power Use size instructions recommend start experi ment little find optimum prop particular model general pitch required rather high least 8 in case Spitfire belt drive means unit puts out about half normal rpm twice torque compared ungeared motor means can use large diameter high pitch prop 12-6 found Spit wouldnt take off 12-8 came alive should get better performance 13-8 hadnt tried article written Nor flown geared Astro Flight 25 motor should provide terrific increase performance Gross weight would increase about pound much greater power 25 should fire up Spitfire perhaps yield modest aerobatic capabilities Construction notes Use lightweight balsa throughout except noted fuselage built half shell method top bottom keel pieces laminated plans two pieces 3/16 square balsa strip Bulkheads added next Note side keels also laminated two pieces 3/16 square balsa laminating first dampen wood water use white glue Titebond thinned 50-50 water cement pieces together can also add re stringers half shell plan Remove completed side board complete other side Glue Continued page 114 26 Model Aviation Authors son work pttire iote stanasro wing construction strIngers formers fuselage model gas-powered atfirat cameoutabouta pound heavierthan ne pixrire tueis up oesween nights Connect charger plane car battery set timer 15 minutes walk away Full charge gives about eight minutes flying SCALE WH RADIO CONTROL ROL-UNE EELS FREE-FLIGHT 0000 VINTAGESMOOTHGOLDEN AGENEW sizes21/2CONTOURsizes214BALLOON 3/431/a"23/i"31/ 13341314132/24/z 1/443/i11/43%11/443/3/451/4 154 5 11/2 4 PA 5 3 PA 65/ 21/4 51/4 1 61/2 SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS ALLThJ SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MARCOS CA 9 213 764-1490 I r CakQig 1981 QAeccggoktcg PO BOX R/C GOODIES 3 II 0 VAN NUYS CA 91408 IThis month Es.ie offering SPECIAL PRICES several accessory items RegularI 1prices shown small tvoe BARGAIN PRICES shown heavy typeI V CAPS$895UNIVERSAL SERVO TRAY isibility 2Color CapsV3 match 72 MHz Frec1 Specify size fits I$650 Shipping$279$209 $125 AIR-FLO HINGES21 tray Bantam Cannon \A OA CE3 CE4 CE5 Futaba Kraft KPS12 Midget servos1 ma,Mtg hardware included FREQUENCY FLAGS 051 Golden Bee etc Uses Iron Hinges easy chable holder standard 1/432 glow pluginstall Strips 36 Igpolyester ribbons $219SMALL 1 LARGE 11/2All Freq colors $159$139$159 69 $2500 $169$199 I7S4 ORAdd 75 Shipping Except Caps Calif Residents add inm rn MORE s Tax Catalog 6 USA $170 Foreign 11 l Aviation Would believe Quaker Flash 277 flights May19 92 hours logged time DG Marshall airline man quotes hours flights dream machine powered K&B 35 beefed up stand high times rough ground handling stolen equipment Marshalls station wagon So radios things have ripped off Bill mumbles Rip off everything America fellows its time Sting Don has another no time fly third being covered K&B 61 pumper big cantfind wheels large enough mayputiton floats Don runs rich dont cook keeps light spite going fordura bility pictured spans 7 ft has 1 2-oz tank Throttle back sure bring recliner sun umbrella plenty iced tea maybe 1000 mAh pack dos ferried PBYs San Diego Hawaii 19-hour non-stop night flights Now 86 hasnt flown since 1965 1972 wrote Eighth Sea 290-page thumbnail account career has kept day-by-day diary life racing trophies presented Queen 1977 display Hendon Museum Diaries flight logs licenses other papers donated San Diego Aero-Space Museum hardly notes day week has talk him about airplanes mind becomes alert years ago seems run off memory tape tiny details McArthur recalled bit about old soldiers simply fading away wasnt talking something glorious man like Courtney present circumstances unbear able youd like tell him much appreciated imagine letter addressed him via Warren Shipp Bill Hannan care ModelAviation would please him very much story Among model researchers turned Courtney through channels Don Srull needed color scheme rubber-powered Gannet took Nats sec ond 1923 London Daily Mail sponsored famous British Light Aeroplane Trials Lympne Gannet historic ultralights built major firms Naturally Gloster Gannet Courtneys log books Courtney color blind Bill Winter 4330Alta Vista Dr Fairfax VA 22030 Electric Spitfire/SruII Con fin ued page 26 firewall making sure squared up accurately fuselage Fill nose section between stringers light soft t balsa wing saddle fillets will completed after wing has built Wing Tail Note leading trailing edges wing stab laminated soft balsa strip Moisten strips join thinned white glue fuselage keels Bend stack strips shape right over QUICK N EASY CUT-OUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 No Measuring Needed! TO BUILD 4TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold ladi Tools etc Legs Removable 21 12 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 lifE FANT4STIC NELSON 15 detailed brochure send 25 cents Kus torn Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Ph 714 830-5162 Dealer inquiries invited Dieter Schiuter world famous helicopter designer presents new MinI-5y & Super MIniBoy Show Seration Toledo & Macs Features 25 40 convertible Cyclone fan cooling No heat sinks needed Spinner starting Shaft drive tail rotor Factory researched & developed ChoIpof Rapping hinges Seepav Collective heads Rock table yet fully aerobatic World fv~ois Schluter quality Noi Ccl le9tIve 19995 CollectIve 22995 parts stock World standard metrics sob dealer order direct train UNSEAM Inc 2594 subsidiary MINIATURE AIRCRAFT North Orange Blossom Trail ndo FL 32804 Phone 30514221531 plans using small nails brads hold place dry Since bends gentle laminations will form quite easily After adding ribs wing add upper 1/4 square spar spar laminated two strips alsa Although wing assembled flat bench top spar does bend downward toward tips Wet both pieces water place lamination rib notches glue top lamination sure install 3/32 vertical grain spar webs shown plans add considerable strength wing tail surfaces built up p balsa t balsa tip segments After adding dihedral wing sheeting center section 1/16 sheet balsa can return fuselage complete wing saddle Glue 1/32 ply wing rest fuselage wing place provide proper shape Trim fuselage sheeting necessary get good wing-to-saddle fit Finally add heavy paper 1/16 balsa sheet wing fillet between fuselage ply saddle Dont use usual epoxy putty resin microballoons filletsthis materials too heavy Covering finishing Since trying make everything light possible best way go Super MonoKote similar lightweight covering bottom wing tail fuselage covered flat Dove Gray top plane covered flat Olive Drab upper surfaces camouflaged coat flat tan light earth enamel epoxy Suitable paints include Pactra Military Flats spray can RS Perfect Paint K&B Hobbypoxy Before spraying wipe surface MonoKote thinner acetone remove trace grease oil After camouflage pattern has painted mask spray roundels numbers use masking tape masking markings remove tape adjacent colors will probably lifted off made stencils newspaper just wet paper slide wet stencil place spray Simple worked fine Miscellaneous strnctural details standard called out plan such landing gear mounting blocks wing hold-on dowel nylon bolt nose cowl can built up balsa blocks sheet can make fiberglass keep light vacuum-form out sheet plastic Light cardboard landing gear covers attached landing gear legs silicone glue add final touch ready fly Flying Notes Before flying make sure CG right place wing has no warps wing big dont want slightest warp Reheating covering twisting offending surface simple cure advisable make some fast taxi tests before flight will help get feel airplane before first takeoff Begin takeoff rnn holding up elevator prevent nose-over throttle gunned As soon some speed built up relax neutral plane may fly off itself may require slight bit up elevator help rotation good duration Astro 15 dont indulge steep turns altitude-losing maneu vers Gentle wide turns will retain altitude give maximum flight time taxiing position back pits on-off switch used necessary very effective have motor servo set up full power forward throttle control halfway back gives cruise power full back stick shuts off motor Flying Spitfire beautiful experience Its unique mixture Scale Soaring RC Free Flight Dont look usual gas model performance though wish tear up skies better off usual noisy greasy bombs Im knocking kind flying mind since much RC fun fits category lightly-loaded Scale electric stuff new refreshing change pace dont forget ship also does nice relaxed job sport flying glow engine scale realism something like scale speed appreciated either case sport Spit calm summer evening something behold can build light youll love Big Bangers/BeckmanCrawford Continued page 38 Lauderdale FL 33312 Husky Top Flite Models Inc. l9JI Narragansett Ave Chicago IL 60639 Now lets get notes subjective com ments about four engines tested time Homelite 16 engine currently available directly usable form fairly easy convert several use around country have inquiries about itsince Kirby both use As far Continued page 118 October1981 115 I
Edition: Model Aviation - 1981/10
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 114, 115
NO OCR TEXT NO OCR TEXT would fly Astro 15 did would fly like truck Well cant com pare Spitfire glow-powered Falcon Kadet electric power entirely dif ferent ball game After first five six minutes air time such graceful bird guarantee youll feel new kind modeling thrilldifferent youve experienced before Spectators fellow fliers will stop look just watch faces cut off power altitude glide dead stick turn power last moment go around spectator unmoved other sights busy Sunday walked over knelt close look Spit after seeing fly said under breath Spirit Biggen Hill Perhaps flown real Biggen Hill during Battle Britain Theres something story behind model Back 1973 after son Mark learned fly simple sport RC models wanted build Spitfirea big Spitfire usual heavy RC Scale models type would have beyond capability build fly very light simple version seemed appropriate drew borrowing heavily Earl Stahl rubber-powered Spitfire published Clean lines ample wing area Spitfire makes ideal subject electric Scale WW ii Fine performance glow too 22 Model Aviation Cowl spinner prop removed show simple Installation motor gear drive unit large hole firewall allows cooling air flow past motor battery compartment U L SU6FSU UfUFUII Next tt ransmitter charger whk has ammeter show charge current timer switch fast slow charge box right isa voltage booster clips car battery raises cars 12 volts to24 15-minute charges Alitronics mini servos provide rudder elevator end motor control Servo-operated three-way switch left motor control middle position connects battery motor through dropping resistor cruise speed far right position gives full power 0 po-ouoo e -o lttC COO IT FLOATS U /8 BALSA FILLERS FROM Fl 10 F4 FIBERGLASS OR CARVED BALSA COWUNG GEARED ASTRO 15 ELECTRIC MOTCR WITh BELT DRIVE 3 1/2 SPINNER PLASliC MOTOR MOUNT RING COOLING AIR INTAKES I/B PLYWOOD FIREWALL ON Fl FORMER 3/16 SHEET NOSE KEEL Bill did hear Hank wants Cessna I/4SHEET LEDGE 1/4 SHEET BALSA liPS I/B SQ BALSA STRINGERS DOUBLED AT lOP BOTTOM AND BOTH SIDES CUT CUT THIS SECTION FOR AIR FLON DISCHARGE AFTER CDOUNG ELECMO1OR K SWI1tH TO ELECTRIC MOTOR NYLON BOLT 1/4 BALSATIP AND T EDGE 7 3/16 DOWEL1/32 PIYWOiD 1/16 SHEETON WING CENTER LE ANCHORL E BRACEr SECTiON TOPAND BOTTOM1/8 X 34SHEET D 2 1/32 PLY WQO MINATED 4 STRIPS REINFORCING UPPER AND LONERWEBS 3/32 BALSA FROM LOb THIRD RIB 4 ROBART UNIVERSAL SCALE WHEELS ON 1/8 WIRE V4 X PINE LG MOUNTS I/BX 1/4 BALSA RIBS 1/4 SQ FIN AND RUODER POSTS I/B WIRE JOINS ELEVATORS 1i8 X 1/4 BALSA LAMINATED LE8 T E d K L4X 1/2 BALSA ELEV AND STASIUZER SFRS V4TAILWHEEL ON WIRE 10 FDDEI I/B SHEETBALSA FORMERS 81011 3/16 SHEET FCRMERS FWD FROM FT V8SHEET WING CRADLES FT TO WING LE 1/8 SHEET FILLET FORMER 1/32 PLYWOOD WING SADDLE SKlI V4SQSPARBRACE1/4 50 LOWER WING SRARS 1/4 X 1/8 BALSA TRAUNG EDGE FOUR LAMINATICtIS X 1/4 SHEET BALSA WING TIPS /2 I/8X /4 DOJRED lOP SRARS 3/16 BALSA ALL RIBS Ignore Don Hes married Cub 4 LAMINATIONS OF H 0 Mt C RI RB 4 LAMINATES OFTE R7 SEARED ASTRO-IS MOTOR SHOWNWITH ELECTRIC POWEROMIT THIS SECTION CW CAN ALSO USE GEARED ASTRO-2AUSE MOTOR CONTROL ORFOR BATTERY COOLING OR GIOW ENGRES OF 20 TO 30OR-OFF SWiTCH ORERATEG BY THRO SERVO RBFILL TO F4 WITH SOFT BALSA FiRENGLASS ORk8 BALSA SHEET PLAS7IC COWL/ FAA/ 3-V2 SPIIRER RA FlF2FAF4LWI/4 GOUaER ------FAF H FLIGHT SATTERIPOSniONED BATTERY BETWEEII FA R5 FOR PRORERSERVO PROF R4I CU WIT* CCCLI ~tES FORERAILS 136 OR 146COOLING T [v33][b-1-10-1-10]]AIR FLOW - IT -F 0 II III/BSIEET AR COOLING4H R3NIT4 C G RAI 316 SHEET 315DOWEL FORARY KEEL R2 BBTTCOOLfrG -_______________ 1hhIiIiIIiiiIiIiiIIIIiIZIZPLASTIC CARORTOO -~%W1f EL COAERS MOTOR MNT-1/22 R RBS I6RIe\,,AThWi B FIT TO FUSELAGE PLY WWIG SACKILE ALL OThERS I/BIF ALOE EE3tE W IGED MARE FiREWALL SCUD ieWITH RNISI-ED WiNG IN HOLES B MONT ENGIPE NVERTEDPLACE 0I5 4A6OR RAC4AL MOWIT REALS B GE4 RORART UNIVERSAL CUJN TANK IIM F I, E WHEELS years ago Model Airplane News basically six-foot gas-powered ghost ship employing rubber modeling Free Flight techniques Power 23 glow engine using three channels control respectable amount speed could cruise two-thirds power would float landings touchand-goes cinch After couple years use hung up remote corner base ment Enter Bill Winter has fascination unique off-beat modeling things time Bill visited shop hed wander over dark corner gaze minutes Spitfire night arrived new geared Astro Flight 15 system going use still plans use Astros six-foot Porterfield kit geared 15 fascinating gadget Bill anxious test out model rash moment said dont try electric system Spitfire months discussed possibilities Would fly would fly Would take off ground way find out next time Bill appeared Two nylon bolts takes set up electric Spitfire flying Charging flight batteries done through lack lower fuselage near wing 24 Model Aviation DOWEL DI 1/4 SI-SET 3/32 PLY IHEORAL BRALS B 1/4 SQUARE RIRI IABS4-EET TOB BOTTOM [4 BALSA ___SCARE7 FULL-SIZE PLANSAVAILABLE SEE PAGE 140 -~2 lB PINE LS 2UNT BLOCKS OVE FOR yR SIC WIRE L S -4 LAMRATCK4S OF — I/S BALSA 1/4 SHEET _______ ____________________V 4 LAMINATICRS OF SOFT L4 V4 BALSAIIDI 3/32 PLY -202 332 PLY L/B SO BALSA STRINGERS T NISHOWN STABILIZERELEV FRFRFOFri WHITEFJSEL GE SID VIEWB1/4 SHEET 1 oKEELS ARE 2 LAMINATILEIS YELLINOF3/16 50 BALSA1/4 STEERABLE /TAt WHEEL FSA --I- [~R BI/2 FlF2F3F4FSPINEOFRFR RAJLS T BALSA LET FORWRFRF7 K V4BALSACUT AWAY OOJBLEB FOB WING AFTFl TIWU FT ARE 3A6 SHEET ASSEMBLY-BALSA FR 13-WIJ FII ARE 1/5 1/4 SHEET HINBS 1/B WIRE flNER / --1/4 -SHEET WEIGHTS GEARED ASTRO-IS4-L2-5I/2 LBS GEARED ASTRO-2564/2-7 LBS GLOW20-305-BLBS installed ready using set Bills Airtronics mini-servos spare XL receiver Since model little bit beefier necessary weighed bit optimum geared Astro 15 fly did amazed can build fine sport airplane either glow engine electric motor will provide conversation piece flying site will somewhat lighter glowengine model will have snappy performance electric however can enjoy benefits silent flight no engine starting problems exhaust mess either Since assume anyone whod tackle project like knows basics building models wont indulge now-glue-this-to-that spiel Instead well take guided tour less-than-obvious things will need know General notes time son built model cyanoacrylate super glues around can save quite bit time little bit weight using Super Jet Hot Stuff etc would highly recommend model has lot surface area use Super Polarized plugs automatic timer built charger make simple foolproof system Note location charging jack Fifteen minutes takes October 1981 25 // ELECTRIC OR GLOW SPORT R/C ISPAN 0 SQ IN AWN BY DON SRULL ITRACING BY JOE OE&IARCO Up up away early test flights minus cowl spinner No heat ing problems found added later theres plenty air circulation MonoKote some other lightweight material covering minimum weight Super Mono Kote also has correct matte colors scalelike finish aware typical fabric covering paint job could add much weight render ship unflyable Astro 15 glow engine Astro 25 extra weight would critical highly recommend book Silent Revolution published Astro Flight contains everything need know about systems sizes weights planes suitable electric power gambled somewhat Spitfire because almost pound heavier recommended gross version shown plans should save ompared prototype Spits generous wing area however yielded wing loading ball park recommended people like Boucher Poling Kopskiall incidentally held crossed fingers until first test flight some special requirements look out going electric system should have fuse have shut-off operated RC Without fuse snagged prop botched takeoff landing could damage motor batteries before get motor turned off means douse amotorcut-offor speed control used inexpensive threeposition switch Astro Flight comes appropriate resistor provides high cruise off motor control operated motor control servo must provide adequate cooling airflow motor batteries follow plans model cooling air exhausted through open cockpit cooling air taken through openings firewall batteries ship never get very hotyou can hold finger end flight Its very important find use right prop electric power Use size instructions recommend start experi ment little find optimum prop particular model general pitch required rather high least 8 in case Spitfire belt drive means unit puts out about half normal rpm twice torque compared ungeared motor means can use large diameter high pitch prop 12-6 found Spit wouldnt take off 12-8 came alive should get better performance 13-8 hadnt tried article written Nor flown geared Astro Flight 25 motor should provide terrific increase performance Gross weight would increase about pound much greater power 25 should fire up Spitfire perhaps yield modest aerobatic capabilities Construction notes Use lightweight balsa throughout except noted fuselage built half shell method top bottom keel pieces laminated plans two pieces 3/16 square balsa strip Bulkheads added next Note side keels also laminated two pieces 3/16 square balsa laminating first dampen wood water use white glue Titebond thinned 50-50 water cement pieces together can also add re stringers half shell plan Remove completed side board complete other side Glue Continued page 114 26 Model Aviation Authors son work pttire iote stanasro wing construction strIngers formers fuselage model gas-powered atfirat cameoutabouta pound heavierthan ne pixrire tueis up oesween nights Connect charger plane car battery set timer 15 minutes walk away Full charge gives about eight minutes flying SCALE WH RADIO CONTROL ROL-UNE EELS FREE-FLIGHT 0000 VINTAGESMOOTHGOLDEN AGENEW sizes21/2CONTOURsizes214BALLOON 3/431/a"23/i"31/ 13341314132/24/z 1/443/i11/43%11/443/3/451/4 154 5 11/2 4 PA 5 3 PA 65/ 21/4 51/4 1 61/2 SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS ALLThJ SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MARCOS CA 9 213 764-1490 I r CakQig 1981 QAeccggoktcg PO BOX R/C GOODIES 3 II 0 VAN NUYS CA 91408 IThis month Es.ie offering SPECIAL PRICES several accessory items RegularI 1prices shown small tvoe BARGAIN PRICES shown heavy typeI V CAPS$895UNIVERSAL SERVO TRAY isibility 2Color CapsV3 match 72 MHz Frec1 Specify size fits I$650 Shipping$279$209 $125 AIR-FLO HINGES21 tray Bantam Cannon \A OA CE3 CE4 CE5 Futaba Kraft KPS12 Midget servos1 ma,Mtg hardware included FREQUENCY FLAGS 051 Golden Bee etc Uses Iron Hinges easy chable holder standard 1/432 glow pluginstall Strips 36 Igpolyester ribbons $219SMALL 1 LARGE 11/2All Freq colors $159$139$159 69 $2500 $169$199 I7S4 ORAdd 75 Shipping Except Caps Calif Residents add inm rn MORE s Tax Catalog 6 USA $170 Foreign 11 l Aviation Would believe Quaker Flash 277 flights May19 92 hours logged time DG Marshall airline man quotes hours flights dream machine powered K&B 35 beefed up stand high times rough ground handling stolen equipment Marshalls station wagon So radios things have ripped off Bill mumbles Rip off everything America fellows its time Sting Don has another no time fly third being covered K&B 61 pumper big cantfind wheels large enough mayputiton floats Don runs rich dont cook keeps light spite going fordura bility pictured spans 7 ft has 1 2-oz tank Throttle back sure bring recliner sun umbrella plenty iced tea maybe 1000 mAh pack dos ferried PBYs San Diego Hawaii 19-hour non-stop night flights Now 86 hasnt flown since 1965 1972 wrote Eighth Sea 290-page thumbnail account career has kept day-by-day diary life racing trophies presented Queen 1977 display Hendon Museum Diaries flight logs licenses other papers donated San Diego Aero-Space Museum hardly notes day week has talk him about airplanes mind becomes alert years ago seems run off memory tape tiny details McArthur recalled bit about old soldiers simply fading away wasnt talking something glorious man like Courtney present circumstances unbear able youd like tell him much appreciated imagine letter addressed him via Warren Shipp Bill Hannan care ModelAviation would please him very much story Among model researchers turned Courtney through channels Don Srull needed color scheme rubber-powered Gannet took Nats sec ond 1923 London Daily Mail sponsored famous British Light Aeroplane Trials Lympne Gannet historic ultralights built major firms Naturally Gloster Gannet Courtneys log books Courtney color blind Bill Winter 4330Alta Vista Dr Fairfax VA 22030 Electric Spitfire/SruII Con fin ued page 26 firewall making sure squared up accurately fuselage Fill nose section between stringers light soft t balsa wing saddle fillets will completed after wing has built Wing Tail Note leading trailing edges wing stab laminated soft balsa strip Moisten strips join thinned white glue fuselage keels Bend stack strips shape right over QUICK N EASY CUT-OUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 No Measuring Needed! TO BUILD 4TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold ladi Tools etc Legs Removable 21 12 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 lifE FANT4STIC NELSON 15 detailed brochure send 25 cents Kus torn Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Ph 714 830-5162 Dealer inquiries invited Dieter Schiuter world famous helicopter designer presents new MinI-5y & Super MIniBoy Show Seration Toledo & Macs Features 25 40 convertible Cyclone fan cooling No heat sinks needed Spinner starting Shaft drive tail rotor Factory researched & developed ChoIpof Rapping hinges Seepav Collective heads Rock table yet fully aerobatic World fv~ois Schluter quality Noi Ccl le9tIve 19995 CollectIve 22995 parts stock World standard metrics sob dealer order direct train UNSEAM Inc 2594 subsidiary MINIATURE AIRCRAFT North Orange Blossom Trail ndo FL 32804 Phone 30514221531 plans using small nails brads hold place dry Since bends gentle laminations will form quite easily After adding ribs wing add upper 1/4 square spar spar laminated two strips alsa Although wing assembled flat bench top spar does bend downward toward tips Wet both pieces water place lamination rib notches glue top lamination sure install 3/32 vertical grain spar webs shown plans add considerable strength wing tail surfaces built up p balsa t balsa tip segments After adding dihedral wing sheeting center section 1/16 sheet balsa can return fuselage complete wing saddle Glue 1/32 ply wing rest fuselage wing place provide proper shape Trim fuselage sheeting necessary get good wing-to-saddle fit Finally add heavy paper 1/16 balsa sheet wing fillet between fuselage ply saddle Dont use usual epoxy putty resin microballoons filletsthis materials too heavy Covering finishing Since trying make everything light possible best way go Super MonoKote similar lightweight covering bottom wing tail fuselage covered flat Dove Gray top plane covered flat Olive Drab upper surfaces camouflaged coat flat tan light earth enamel epoxy Suitable paints include Pactra Military Flats spray can RS Perfect Paint K&B Hobbypoxy Before spraying wipe surface MonoKote thinner acetone remove trace grease oil After camouflage pattern has painted mask spray roundels numbers use masking tape masking markings remove tape adjacent colors will probably lifted off made stencils newspaper just wet paper slide wet stencil place spray Simple worked fine Miscellaneous strnctural details standard called out plan such landing gear mounting blocks wing hold-on dowel nylon bolt nose cowl can built up balsa blocks sheet can make fiberglass keep light vacuum-form out sheet plastic Light cardboard landing gear covers attached landing gear legs silicone glue add final touch ready fly Flying Notes Before flying make sure CG right place wing has no warps wing big dont want slightest warp Reheating covering twisting offending surface simple cure advisable make some fast taxi tests before flight will help get feel airplane before first takeoff Begin takeoff rnn holding up elevator prevent nose-over throttle gunned As soon some speed built up relax neutral plane may fly off itself may require slight bit up elevator help rotation good duration Astro 15 dont indulge steep turns altitude-losing maneu vers Gentle wide turns will retain altitude give maximum flight time taxiing position back pits on-off switch used necessary very effective have motor servo set up full power forward throttle control halfway back gives cruise power full back stick shuts off motor Flying Spitfire beautiful experience Its unique mixture Scale Soaring RC Free Flight Dont look usual gas model performance though wish tear up skies better off usual noisy greasy bombs Im knocking kind flying mind since much RC fun fits category lightly-loaded Scale electric stuff new refreshing change pace dont forget ship also does nice relaxed job sport flying glow engine scale realism something like scale speed appreciated either case sport Spit calm summer evening something behold can build light youll love Big Bangers/BeckmanCrawford Continued page 38 Lauderdale FL 33312 Husky Top Flite Models Inc. l9JI Narragansett Ave Chicago IL 60639 Now lets get notes subjective com ments about four engines tested time Homelite 16 engine currently available directly usable form fairly easy convert several use around country have inquiries about itsince Kirby both use As far Continued page 118 October1981 115 I
Edition: Model Aviation - 1981/10
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 114, 115
NO OCR TEXT NO OCR TEXT would fly Astro 15 did would fly like truck Well cant com pare Spitfire glow-powered Falcon Kadet electric power entirely dif ferent ball game After first five six minutes air time such graceful bird guarantee youll feel new kind modeling thrilldifferent youve experienced before Spectators fellow fliers will stop look just watch faces cut off power altitude glide dead stick turn power last moment go around spectator unmoved other sights busy Sunday walked over knelt close look Spit after seeing fly said under breath Spirit Biggen Hill Perhaps flown real Biggen Hill during Battle Britain Theres something story behind model Back 1973 after son Mark learned fly simple sport RC models wanted build Spitfirea big Spitfire usual heavy RC Scale models type would have beyond capability build fly very light simple version seemed appropriate drew borrowing heavily Earl Stahl rubber-powered Spitfire published Clean lines ample wing area Spitfire makes ideal subject electric Scale WW ii Fine performance glow too 22 Model Aviation Cowl spinner prop removed show simple Installation motor gear drive unit large hole firewall allows cooling air flow past motor battery compartment U L SU6FSU UfUFUII Next tt ransmitter charger whk has ammeter show charge current timer switch fast slow charge box right isa voltage booster clips car battery raises cars 12 volts to24 15-minute charges Alitronics mini servos provide rudder elevator end motor control Servo-operated three-way switch left motor control middle position connects battery motor through dropping resistor cruise speed far right position gives full power 0 po-ouoo e -o lttC COO IT FLOATS U /8 BALSA FILLERS FROM Fl 10 F4 FIBERGLASS OR CARVED BALSA COWUNG GEARED ASTRO 15 ELECTRIC MOTCR WITh BELT DRIVE 3 1/2 SPINNER PLASliC MOTOR MOUNT RING COOLING AIR INTAKES I/B PLYWOOD FIREWALL ON Fl FORMER 3/16 SHEET NOSE KEEL Bill did hear Hank wants Cessna I/4SHEET LEDGE 1/4 SHEET BALSA liPS I/B SQ BALSA STRINGERS DOUBLED AT lOP BOTTOM AND BOTH SIDES CUT CUT THIS SECTION FOR AIR FLON DISCHARGE AFTER CDOUNG ELECMO1OR K SWI1tH TO ELECTRIC MOTOR NYLON BOLT 1/4 BALSATIP AND T EDGE 7 3/16 DOWEL1/32 PIYWOiD 1/16 SHEETON WING CENTER LE ANCHORL E BRACEr SECTiON TOPAND BOTTOM1/8 X 34SHEET D 2 1/32 PLY WQO MINATED 4 STRIPS REINFORCING UPPER AND LONERWEBS 3/32 BALSA FROM LOb THIRD RIB 4 ROBART UNIVERSAL SCALE WHEELS ON 1/8 WIRE V4 X PINE LG MOUNTS I/BX 1/4 BALSA RIBS 1/4 SQ FIN AND RUODER POSTS I/B WIRE JOINS ELEVATORS 1i8 X 1/4 BALSA LAMINATED LE8 T E d K L4X 1/2 BALSA ELEV AND STASIUZER SFRS V4TAILWHEEL ON WIRE 10 FDDEI I/B SHEETBALSA FORMERS 81011 3/16 SHEET FCRMERS FWD FROM FT V8SHEET WING CRADLES FT TO WING LE 1/8 SHEET FILLET FORMER 1/32 PLYWOOD WING SADDLE SKlI V4SQSPARBRACE1/4 50 LOWER WING SRARS 1/4 X 1/8 BALSA TRAUNG EDGE FOUR LAMINATICtIS X 1/4 SHEET BALSA WING TIPS /2 I/8X /4 DOJRED lOP SRARS 3/16 BALSA ALL RIBS Ignore Don Hes married Cub 4 LAMINATIONS OF H 0 Mt C RI RB 4 LAMINATES OFTE R7 SEARED ASTRO-IS MOTOR SHOWNWITH ELECTRIC POWEROMIT THIS SECTION CW CAN ALSO USE GEARED ASTRO-2AUSE MOTOR CONTROL ORFOR BATTERY COOLING OR GIOW ENGRES OF 20 TO 30OR-OFF SWiTCH ORERATEG BY THRO SERVO RBFILL TO F4 WITH SOFT BALSA FiRENGLASS ORk8 BALSA SHEET PLAS7IC COWL/ FAA/ 3-V2 SPIIRER RA FlF2FAF4LWI/4 GOUaER ------FAF H FLIGHT SATTERIPOSniONED BATTERY BETWEEII FA R5 FOR PRORERSERVO PROF R4I CU WIT* CCCLI ~tES FORERAILS 136 OR 146COOLING T [v33][b-1-10-1-10]]AIR FLOW - IT -F 0 II III/BSIEET AR COOLING4H R3NIT4 C G RAI 316 SHEET 315DOWEL FORARY KEEL R2 BBTTCOOLfrG -_______________ 1hhIiIiIIiiiIiIiiIIIIiIZIZPLASTIC CARORTOO -~%W1f EL COAERS MOTOR MNT-1/22 R RBS I6RIe\,,AThWi B FIT TO FUSELAGE PLY WWIG SACKILE ALL OThERS I/BIF ALOE EE3tE W IGED MARE FiREWALL SCUD ieWITH RNISI-ED WiNG IN HOLES B MONT ENGIPE NVERTEDPLACE 0I5 4A6OR RAC4AL MOWIT REALS B GE4 RORART UNIVERSAL CUJN TANK IIM F I, E WHEELS years ago Model Airplane News basically six-foot gas-powered ghost ship employing rubber modeling Free Flight techniques Power 23 glow engine using three channels control respectable amount speed could cruise two-thirds power would float landings touchand-goes cinch After couple years use hung up remote corner base ment Enter Bill Winter has fascination unique off-beat modeling things time Bill visited shop hed wander over dark corner gaze minutes Spitfire night arrived new geared Astro Flight 15 system going use still plans use Astros six-foot Porterfield kit geared 15 fascinating gadget Bill anxious test out model rash moment said dont try electric system Spitfire months discussed possibilities Would fly would fly Would take off ground way find out next time Bill appeared Two nylon bolts takes set up electric Spitfire flying Charging flight batteries done through lack lower fuselage near wing 24 Model Aviation DOWEL DI 1/4 SI-SET 3/32 PLY IHEORAL BRALS B 1/4 SQUARE RIRI IABS4-EET TOB BOTTOM [4 BALSA ___SCARE7 FULL-SIZE PLANSAVAILABLE SEE PAGE 140 -~2 lB PINE LS 2UNT BLOCKS OVE FOR yR SIC WIRE L S -4 LAMRATCK4S OF — I/S BALSA 1/4 SHEET _______ ____________________V 4 LAMINATICRS OF SOFT L4 V4 BALSAIIDI 3/32 PLY -202 332 PLY L/B SO BALSA STRINGERS T NISHOWN STABILIZERELEV FRFRFOFri WHITEFJSEL GE SID VIEWB1/4 SHEET 1 oKEELS ARE 2 LAMINATILEIS YELLINOF3/16 50 BALSA1/4 STEERABLE /TAt WHEEL FSA --I- [~R BI/2 FlF2F3F4FSPINEOFRFR RAJLS T BALSA LET FORWRFRF7 K V4BALSACUT AWAY OOJBLEB FOB WING AFTFl TIWU FT ARE 3A6 SHEET ASSEMBLY-BALSA FR 13-WIJ FII ARE 1/5 1/4 SHEET HINBS 1/B WIRE flNER / --1/4 -SHEET WEIGHTS GEARED ASTRO-IS4-L2-5I/2 LBS GEARED ASTRO-2564/2-7 LBS GLOW20-305-BLBS installed ready using set Bills Airtronics mini-servos spare XL receiver Since model little bit beefier necessary weighed bit optimum geared Astro 15 fly did amazed can build fine sport airplane either glow engine electric motor will provide conversation piece flying site will somewhat lighter glowengine model will have snappy performance electric however can enjoy benefits silent flight no engine starting problems exhaust mess either Since assume anyone whod tackle project like knows basics building models wont indulge now-glue-this-to-that spiel Instead well take guided tour less-than-obvious things will need know General notes time son built model cyanoacrylate super glues around can save quite bit time little bit weight using Super Jet Hot Stuff etc would highly recommend model has lot surface area use Super Polarized plugs automatic timer built charger make simple foolproof system Note location charging jack Fifteen minutes takes October 1981 25 // ELECTRIC OR GLOW SPORT R/C ISPAN 0 SQ IN AWN BY DON SRULL ITRACING BY JOE OE&IARCO Up up away early test flights minus cowl spinner No heat ing problems found added later theres plenty air circulation MonoKote some other lightweight material covering minimum weight Super Mono Kote also has correct matte colors scalelike finish aware typical fabric covering paint job could add much weight render ship unflyable Astro 15 glow engine Astro 25 extra weight would critical highly recommend book Silent Revolution published Astro Flight contains everything need know about systems sizes weights planes suitable electric power gambled somewhat Spitfire because almost pound heavier recommended gross version shown plans should save ompared prototype Spits generous wing area however yielded wing loading ball park recommended people like Boucher Poling Kopskiall incidentally held crossed fingers until first test flight some special requirements look out going electric system should have fuse have shut-off operated RC Without fuse snagged prop botched takeoff landing could damage motor batteries before get motor turned off means douse amotorcut-offor speed control used inexpensive threeposition switch Astro Flight comes appropriate resistor provides high cruise off motor control operated motor control servo must provide adequate cooling airflow motor batteries follow plans model cooling air exhausted through open cockpit cooling air taken through openings firewall batteries ship never get very hotyou can hold finger end flight Its very important find use right prop electric power Use size instructions recommend start experi ment little find optimum prop particular model general pitch required rather high least 8 in case Spitfire belt drive means unit puts out about half normal rpm twice torque compared ungeared motor means can use large diameter high pitch prop 12-6 found Spit wouldnt take off 12-8 came alive should get better performance 13-8 hadnt tried article written Nor flown geared Astro Flight 25 motor should provide terrific increase performance Gross weight would increase about pound much greater power 25 should fire up Spitfire perhaps yield modest aerobatic capabilities Construction notes Use lightweight balsa throughout except noted fuselage built half shell method top bottom keel pieces laminated plans two pieces 3/16 square balsa strip Bulkheads added next Note side keels also laminated two pieces 3/16 square balsa laminating first dampen wood water use white glue Titebond thinned 50-50 water cement pieces together can also add re stringers half shell plan Remove completed side board complete other side Glue Continued page 114 26 Model Aviation Authors son work pttire iote stanasro wing construction strIngers formers fuselage model gas-powered atfirat cameoutabouta pound heavierthan ne pixrire tueis up oesween nights Connect charger plane car battery set timer 15 minutes walk away Full charge gives about eight minutes flying SCALE WH RADIO CONTROL ROL-UNE EELS FREE-FLIGHT 0000 VINTAGESMOOTHGOLDEN AGENEW sizes21/2CONTOURsizes214BALLOON 3/431/a"23/i"31/ 13341314132/24/z 1/443/i11/43%11/443/3/451/4 154 5 11/2 4 PA 5 3 PA 65/ 21/4 51/4 1 61/2 SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS ALLThJ SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MARCOS CA 9 213 764-1490 I r CakQig 1981 QAeccggoktcg PO BOX R/C GOODIES 3 II 0 VAN NUYS CA 91408 IThis month Es.ie offering SPECIAL PRICES several accessory items RegularI 1prices shown small tvoe BARGAIN PRICES shown heavy typeI V CAPS$895UNIVERSAL SERVO TRAY isibility 2Color CapsV3 match 72 MHz Frec1 Specify size fits I$650 Shipping$279$209 $125 AIR-FLO HINGES21 tray Bantam Cannon \A OA CE3 CE4 CE5 Futaba Kraft KPS12 Midget servos1 ma,Mtg hardware included FREQUENCY FLAGS 051 Golden Bee etc Uses Iron Hinges easy chable holder standard 1/432 glow pluginstall Strips 36 Igpolyester ribbons $219SMALL 1 LARGE 11/2All Freq colors $159$139$159 69 $2500 $169$199 I7S4 ORAdd 75 Shipping Except Caps Calif Residents add inm rn MORE s Tax Catalog 6 USA $170 Foreign 11 l Aviation Would believe Quaker Flash 277 flights May19 92 hours logged time DG Marshall airline man quotes hours flights dream machine powered K&B 35 beefed up stand high times rough ground handling stolen equipment Marshalls station wagon So radios things have ripped off Bill mumbles Rip off everything America fellows its time Sting Don has another no time fly third being covered K&B 61 pumper big cantfind wheels large enough mayputiton floats Don runs rich dont cook keeps light spite going fordura bility pictured spans 7 ft has 1 2-oz tank Throttle back sure bring recliner sun umbrella plenty iced tea maybe 1000 mAh pack dos ferried PBYs San Diego Hawaii 19-hour non-stop night flights Now 86 hasnt flown since 1965 1972 wrote Eighth Sea 290-page thumbnail account career has kept day-by-day diary life racing trophies presented Queen 1977 display Hendon Museum Diaries flight logs licenses other papers donated San Diego Aero-Space Museum hardly notes day week has talk him about airplanes mind becomes alert years ago seems run off memory tape tiny details McArthur recalled bit about old soldiers simply fading away wasnt talking something glorious man like Courtney present circumstances unbear able youd like tell him much appreciated imagine letter addressed him via Warren Shipp Bill Hannan care ModelAviation would please him very much story Among model researchers turned Courtney through channels Don Srull needed color scheme rubber-powered Gannet took Nats sec ond 1923 London Daily Mail sponsored famous British Light Aeroplane Trials Lympne Gannet historic ultralights built major firms Naturally Gloster Gannet Courtneys log books Courtney color blind Bill Winter 4330Alta Vista Dr Fairfax VA 22030 Electric Spitfire/SruII Con fin ued page 26 firewall making sure squared up accurately fuselage Fill nose section between stringers light soft t balsa wing saddle fillets will completed after wing has built Wing Tail Note leading trailing edges wing stab laminated soft balsa strip Moisten strips join thinned white glue fuselage keels Bend stack strips shape right over QUICK N EASY CUT-OUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 No Measuring Needed! TO BUILD 4TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold ladi Tools etc Legs Removable 21 12 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 lifE FANT4STIC NELSON 15 detailed brochure send 25 cents Kus torn Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Ph 714 830-5162 Dealer inquiries invited Dieter Schiuter world famous helicopter designer presents new MinI-5y & Super MIniBoy Show Seration Toledo & Macs Features 25 40 convertible Cyclone fan cooling No heat sinks needed Spinner starting Shaft drive tail rotor Factory researched & developed ChoIpof Rapping hinges Seepav Collective heads Rock table yet fully aerobatic World fv~ois Schluter quality Noi Ccl le9tIve 19995 CollectIve 22995 parts stock World standard metrics sob dealer order direct train UNSEAM Inc 2594 subsidiary MINIATURE AIRCRAFT North Orange Blossom Trail ndo FL 32804 Phone 30514221531 plans using small nails brads hold place dry Since bends gentle laminations will form quite easily After adding ribs wing add upper 1/4 square spar spar laminated two strips alsa Although wing assembled flat bench top spar does bend downward toward tips Wet both pieces water place lamination rib notches glue top lamination sure install 3/32 vertical grain spar webs shown plans add considerable strength wing tail surfaces built up p balsa t balsa tip segments After adding dihedral wing sheeting center section 1/16 sheet balsa can return fuselage complete wing saddle Glue 1/32 ply wing rest fuselage wing place provide proper shape Trim fuselage sheeting necessary get good wing-to-saddle fit Finally add heavy paper 1/16 balsa sheet wing fillet between fuselage ply saddle Dont use usual epoxy putty resin microballoons filletsthis materials too heavy Covering finishing Since trying make everything light possible best way go Super MonoKote similar lightweight covering bottom wing tail fuselage covered flat Dove Gray top plane covered flat Olive Drab upper surfaces camouflaged coat flat tan light earth enamel epoxy Suitable paints include Pactra Military Flats spray can RS Perfect Paint K&B Hobbypoxy Before spraying wipe surface MonoKote thinner acetone remove trace grease oil After camouflage pattern has painted mask spray roundels numbers use masking tape masking markings remove tape adjacent colors will probably lifted off made stencils newspaper just wet paper slide wet stencil place spray Simple worked fine Miscellaneous strnctural details standard called out plan such landing gear mounting blocks wing hold-on dowel nylon bolt nose cowl can built up balsa blocks sheet can make fiberglass keep light vacuum-form out sheet plastic Light cardboard landing gear covers attached landing gear legs silicone glue add final touch ready fly Flying Notes Before flying make sure CG right place wing has no warps wing big dont want slightest warp Reheating covering twisting offending surface simple cure advisable make some fast taxi tests before flight will help get feel airplane before first takeoff Begin takeoff rnn holding up elevator prevent nose-over throttle gunned As soon some speed built up relax neutral plane may fly off itself may require slight bit up elevator help rotation good duration Astro 15 dont indulge steep turns altitude-losing maneu vers Gentle wide turns will retain altitude give maximum flight time taxiing position back pits on-off switch used necessary very effective have motor servo set up full power forward throttle control halfway back gives cruise power full back stick shuts off motor Flying Spitfire beautiful experience Its unique mixture Scale Soaring RC Free Flight Dont look usual gas model performance though wish tear up skies better off usual noisy greasy bombs Im knocking kind flying mind since much RC fun fits category lightly-loaded Scale electric stuff new refreshing change pace dont forget ship also does nice relaxed job sport flying glow engine scale realism something like scale speed appreciated either case sport Spit calm summer evening something behold can build light youll love Big Bangers/BeckmanCrawford Continued page 38 Lauderdale FL 33312 Husky Top Flite Models Inc. l9JI Narragansett Ave Chicago IL 60639 Now lets get notes subjective com ments about four engines tested time Homelite 16 engine currently available directly usable form fairly easy convert several use around country have inquiries about itsince Kirby both use As far Continued page 118 October1981 115 I
Edition: Model Aviation - 1981/10
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 114, 115
NO OCR TEXT NO OCR TEXT would fly Astro 15 did would fly like truck Well cant com pare Spitfire glow-powered Falcon Kadet electric power entirely dif ferent ball game After first five six minutes air time such graceful bird guarantee youll feel new kind modeling thrilldifferent youve experienced before Spectators fellow fliers will stop look just watch faces cut off power altitude glide dead stick turn power last moment go around spectator unmoved other sights busy Sunday walked over knelt close look Spit after seeing fly said under breath Spirit Biggen Hill Perhaps flown real Biggen Hill during Battle Britain Theres something story behind model Back 1973 after son Mark learned fly simple sport RC models wanted build Spitfirea big Spitfire usual heavy RC Scale models type would have beyond capability build fly very light simple version seemed appropriate drew borrowing heavily Earl Stahl rubber-powered Spitfire published Clean lines ample wing area Spitfire makes ideal subject electric Scale WW ii Fine performance glow too 22 Model Aviation Cowl spinner prop removed show simple Installation motor gear drive unit large hole firewall allows cooling air flow past motor battery compartment U L SU6FSU UfUFUII Next tt ransmitter charger whk has ammeter show charge current timer switch fast slow charge box right isa voltage booster clips car battery raises cars 12 volts to24 15-minute charges Alitronics mini servos provide rudder elevator end motor control Servo-operated three-way switch left motor control middle position connects battery motor through dropping resistor cruise speed far right position gives full power 0 po-ouoo e -o lttC COO IT FLOATS U /8 BALSA FILLERS FROM Fl 10 F4 FIBERGLASS OR CARVED BALSA COWUNG GEARED ASTRO 15 ELECTRIC MOTCR WITh BELT DRIVE 3 1/2 SPINNER PLASliC MOTOR MOUNT RING COOLING AIR INTAKES I/B PLYWOOD FIREWALL ON Fl FORMER 3/16 SHEET NOSE KEEL Bill did hear Hank wants Cessna I/4SHEET LEDGE 1/4 SHEET BALSA liPS I/B SQ BALSA STRINGERS DOUBLED AT lOP BOTTOM AND BOTH SIDES CUT CUT THIS SECTION FOR AIR FLON DISCHARGE AFTER CDOUNG ELECMO1OR K SWI1tH TO ELECTRIC MOTOR NYLON BOLT 1/4 BALSATIP AND T EDGE 7 3/16 DOWEL1/32 PIYWOiD 1/16 SHEETON WING CENTER LE ANCHORL E BRACEr SECTiON TOPAND BOTTOM1/8 X 34SHEET D 2 1/32 PLY WQO MINATED 4 STRIPS REINFORCING UPPER AND LONERWEBS 3/32 BALSA FROM LOb THIRD RIB 4 ROBART UNIVERSAL SCALE WHEELS ON 1/8 WIRE V4 X PINE LG MOUNTS I/BX 1/4 BALSA RIBS 1/4 SQ FIN AND RUODER POSTS I/B WIRE JOINS ELEVATORS 1i8 X 1/4 BALSA LAMINATED LE8 T E d K L4X 1/2 BALSA ELEV AND STASIUZER SFRS V4TAILWHEEL ON WIRE 10 FDDEI I/B SHEETBALSA FORMERS 81011 3/16 SHEET FCRMERS FWD FROM FT V8SHEET WING CRADLES FT TO WING LE 1/8 SHEET FILLET FORMER 1/32 PLYWOOD WING SADDLE SKlI V4SQSPARBRACE1/4 50 LOWER WING SRARS 1/4 X 1/8 BALSA TRAUNG EDGE FOUR LAMINATICtIS X 1/4 SHEET BALSA WING TIPS /2 I/8X /4 DOJRED lOP SRARS 3/16 BALSA ALL RIBS Ignore Don Hes married Cub 4 LAMINATIONS OF H 0 Mt C RI RB 4 LAMINATES OFTE R7 SEARED ASTRO-IS MOTOR SHOWNWITH ELECTRIC POWEROMIT THIS SECTION CW CAN ALSO USE GEARED ASTRO-2AUSE MOTOR CONTROL ORFOR BATTERY COOLING OR GIOW ENGRES OF 20 TO 30OR-OFF SWiTCH ORERATEG BY THRO SERVO RBFILL TO F4 WITH SOFT BALSA FiRENGLASS ORk8 BALSA SHEET PLAS7IC COWL/ FAA/ 3-V2 SPIIRER RA FlF2FAF4LWI/4 GOUaER ------FAF H FLIGHT SATTERIPOSniONED BATTERY BETWEEII FA R5 FOR PRORERSERVO PROF R4I CU WIT* CCCLI ~tES FORERAILS 136 OR 146COOLING T [v33][b-1-10-1-10]]AIR FLOW - IT -F 0 II III/BSIEET AR COOLING4H R3NIT4 C G RAI 316 SHEET 315DOWEL FORARY KEEL R2 BBTTCOOLfrG -_______________ 1hhIiIiIIiiiIiIiiIIIIiIZIZPLASTIC CARORTOO -~%W1f EL COAERS MOTOR MNT-1/22 R RBS I6RIe\,,AThWi B FIT TO FUSELAGE PLY WWIG SACKILE ALL OThERS I/BIF ALOE EE3tE W IGED MARE FiREWALL SCUD ieWITH RNISI-ED WiNG IN HOLES B MONT ENGIPE NVERTEDPLACE 0I5 4A6OR RAC4AL MOWIT REALS B GE4 RORART UNIVERSAL CUJN TANK IIM F I, E WHEELS years ago Model Airplane News basically six-foot gas-powered ghost ship employing rubber modeling Free Flight techniques Power 23 glow engine using three channels control respectable amount speed could cruise two-thirds power would float landings touchand-goes cinch After couple years use hung up remote corner base ment Enter Bill Winter has fascination unique off-beat modeling things time Bill visited shop hed wander over dark corner gaze minutes Spitfire night arrived new geared Astro Flight 15 system going use still plans use Astros six-foot Porterfield kit geared 15 fascinating gadget Bill anxious test out model rash moment said dont try electric system Spitfire months discussed possibilities Would fly would fly Would take off ground way find out next time Bill appeared Two nylon bolts takes set up electric Spitfire flying Charging flight batteries done through lack lower fuselage near wing 24 Model Aviation DOWEL DI 1/4 SI-SET 3/32 PLY IHEORAL BRALS B 1/4 SQUARE RIRI IABS4-EET TOB BOTTOM [4 BALSA ___SCARE7 FULL-SIZE PLANSAVAILABLE SEE PAGE 140 -~2 lB PINE LS 2UNT BLOCKS OVE FOR yR SIC WIRE L S -4 LAMRATCK4S OF — I/S BALSA 1/4 SHEET _______ ____________________V 4 LAMINATICRS OF SOFT L4 V4 BALSAIIDI 3/32 PLY -202 332 PLY L/B SO BALSA STRINGERS T NISHOWN STABILIZERELEV FRFRFOFri WHITEFJSEL GE SID VIEWB1/4 SHEET 1 oKEELS ARE 2 LAMINATILEIS YELLINOF3/16 50 BALSA1/4 STEERABLE /TAt WHEEL FSA --I- [~R BI/2 FlF2F3F4FSPINEOFRFR RAJLS T BALSA LET FORWRFRF7 K V4BALSACUT AWAY OOJBLEB FOB WING AFTFl TIWU FT ARE 3A6 SHEET ASSEMBLY-BALSA FR 13-WIJ FII ARE 1/5 1/4 SHEET HINBS 1/B WIRE flNER / --1/4 -SHEET WEIGHTS GEARED ASTRO-IS4-L2-5I/2 LBS GEARED ASTRO-2564/2-7 LBS GLOW20-305-BLBS installed ready using set Bills Airtronics mini-servos spare XL receiver Since model little bit beefier necessary weighed bit optimum geared Astro 15 fly did amazed can build fine sport airplane either glow engine electric motor will provide conversation piece flying site will somewhat lighter glowengine model will have snappy performance electric however can enjoy benefits silent flight no engine starting problems exhaust mess either Since assume anyone whod tackle project like knows basics building models wont indulge now-glue-this-to-that spiel Instead well take guided tour less-than-obvious things will need know General notes time son built model cyanoacrylate super glues around can save quite bit time little bit weight using Super Jet Hot Stuff etc would highly recommend model has lot surface area use Super Polarized plugs automatic timer built charger make simple foolproof system Note location charging jack Fifteen minutes takes October 1981 25 // ELECTRIC OR GLOW SPORT R/C ISPAN 0 SQ IN AWN BY DON SRULL ITRACING BY JOE OE&IARCO Up up away early test flights minus cowl spinner No heat ing problems found added later theres plenty air circulation MonoKote some other lightweight material covering minimum weight Super Mono Kote also has correct matte colors scalelike finish aware typical fabric covering paint job could add much weight render ship unflyable Astro 15 glow engine Astro 25 extra weight would critical highly recommend book Silent Revolution published Astro Flight contains everything need know about systems sizes weights planes suitable electric power gambled somewhat Spitfire because almost pound heavier recommended gross version shown plans should save ompared prototype Spits generous wing area however yielded wing loading ball park recommended people like Boucher Poling Kopskiall incidentally held crossed fingers until first test flight some special requirements look out going electric system should have fuse have shut-off operated RC Without fuse snagged prop botched takeoff landing could damage motor batteries before get motor turned off means douse amotorcut-offor speed control used inexpensive threeposition switch Astro Flight comes appropriate resistor provides high cruise off motor control operated motor control servo must provide adequate cooling airflow motor batteries follow plans model cooling air exhausted through open cockpit cooling air taken through openings firewall batteries ship never get very hotyou can hold finger end flight Its very important find use right prop electric power Use size instructions recommend start experi ment little find optimum prop particular model general pitch required rather high least 8 in case Spitfire belt drive means unit puts out about half normal rpm twice torque compared ungeared motor means can use large diameter high pitch prop 12-6 found Spit wouldnt take off 12-8 came alive should get better performance 13-8 hadnt tried article written Nor flown geared Astro Flight 25 motor should provide terrific increase performance Gross weight would increase about pound much greater power 25 should fire up Spitfire perhaps yield modest aerobatic capabilities Construction notes Use lightweight balsa throughout except noted fuselage built half shell method top bottom keel pieces laminated plans two pieces 3/16 square balsa strip Bulkheads added next Note side keels also laminated two pieces 3/16 square balsa laminating first dampen wood water use white glue Titebond thinned 50-50 water cement pieces together can also add re stringers half shell plan Remove completed side board complete other side Glue Continued page 114 26 Model Aviation Authors son work pttire iote stanasro wing construction strIngers formers fuselage model gas-powered atfirat cameoutabouta pound heavierthan ne pixrire tueis up oesween nights Connect charger plane car battery set timer 15 minutes walk away Full charge gives about eight minutes flying SCALE WH RADIO CONTROL ROL-UNE EELS FREE-FLIGHT 0000 VINTAGESMOOTHGOLDEN AGENEW sizes21/2CONTOURsizes214BALLOON 3/431/a"23/i"31/ 13341314132/24/z 1/443/i11/43%11/443/3/451/4 154 5 11/2 4 PA 5 3 PA 65/ 21/4 51/4 1 61/2 SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS ALLThJ SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST SAN MARCOS CA 9 213 764-1490 I r CakQig 1981 QAeccggoktcg PO BOX R/C GOODIES 3 II 0 VAN NUYS CA 91408 IThis month Es.ie offering SPECIAL PRICES several accessory items RegularI 1prices shown small tvoe BARGAIN PRICES shown heavy typeI V CAPS$895UNIVERSAL SERVO TRAY isibility 2Color CapsV3 match 72 MHz Frec1 Specify size fits I$650 Shipping$279$209 $125 AIR-FLO HINGES21 tray Bantam Cannon \A OA CE3 CE4 CE5 Futaba Kraft KPS12 Midget servos1 ma,Mtg hardware included FREQUENCY FLAGS 051 Golden Bee etc Uses Iron Hinges easy chable holder standard 1/432 glow pluginstall Strips 36 Igpolyester ribbons $219SMALL 1 LARGE 11/2All Freq colors $159$139$159 69 $2500 $169$199 I7S4 ORAdd 75 Shipping Except Caps Calif Residents add inm rn MORE s Tax Catalog 6 USA $170 Foreign 11 l Aviation Would believe Quaker Flash 277 flights May19 92 hours logged time DG Marshall airline man quotes hours flights dream machine powered K&B 35 beefed up stand high times rough ground handling stolen equipment Marshalls station wagon So radios things have ripped off Bill mumbles Rip off everything America fellows its time Sting Don has another no time fly third being covered K&B 61 pumper big cantfind wheels large enough mayputiton floats Don runs rich dont cook keeps light spite going fordura bility pictured spans 7 ft has 1 2-oz tank Throttle back sure bring recliner sun umbrella plenty iced tea maybe 1000 mAh pack dos ferried PBYs San Diego Hawaii 19-hour non-stop night flights Now 86 hasnt flown since 1965 1972 wrote Eighth Sea 290-page thumbnail account career has kept day-by-day diary life racing trophies presented Queen 1977 display Hendon Museum Diaries flight logs licenses other papers donated San Diego Aero-Space Museum hardly notes day week has talk him about airplanes mind becomes alert years ago seems run off memory tape tiny details McArthur recalled bit about old soldiers simply fading away wasnt talking something glorious man like Courtney present circumstances unbear able youd like tell him much appreciated imagine letter addressed him via Warren Shipp Bill Hannan care ModelAviation would please him very much story Among model researchers turned Courtney through channels Don Srull needed color scheme rubber-powered Gannet took Nats sec ond 1923 London Daily Mail sponsored famous British Light Aeroplane Trials Lympne Gannet historic ultralights built major firms Naturally Gloster Gannet Courtneys log books Courtney color blind Bill Winter 4330Alta Vista Dr Fairfax VA 22030 Electric Spitfire/SruII Con fin ued page 26 firewall making sure squared up accurately fuselage Fill nose section between stringers light soft t balsa wing saddle fillets will completed after wing has built Wing Tail Note leading trailing edges wing stab laminated soft balsa strip Moisten strips join thinned white glue fuselage keels Bend stack strips shape right over QUICK N EASY CUT-OUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 No Measuring Needed! TO BUILD 4TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold ladi Tools etc Legs Removable 21 12 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 lifE FANT4STIC NELSON 15 detailed brochure send 25 cents Kus torn Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Ph 714 830-5162 Dealer inquiries invited Dieter Schiuter world famous helicopter designer presents new MinI-5y & Super MIniBoy Show Seration Toledo & Macs Features 25 40 convertible Cyclone fan cooling No heat sinks needed Spinner starting Shaft drive tail rotor Factory researched & developed ChoIpof Rapping hinges Seepav Collective heads Rock table yet fully aerobatic World fv~ois Schluter quality Noi Ccl le9tIve 19995 CollectIve 22995 parts stock World standard metrics sob dealer order direct train UNSEAM Inc 2594 subsidiary MINIATURE AIRCRAFT North Orange Blossom Trail ndo FL 32804 Phone 30514221531 plans using small nails brads hold place dry Since bends gentle laminations will form quite easily After adding ribs wing add upper 1/4 square spar spar laminated two strips alsa Although wing assembled flat bench top spar does bend downward toward tips Wet both pieces water place lamination rib notches glue top lamination sure install 3/32 vertical grain spar webs shown plans add considerable strength wing tail surfaces built up p balsa t balsa tip segments After adding dihedral wing sheeting center section 1/16 sheet balsa can return fuselage complete wing saddle Glue 1/32 ply wing rest fuselage wing place provide proper shape Trim fuselage sheeting necessary get good wing-to-saddle fit Finally add heavy paper 1/16 balsa sheet wing fillet between fuselage ply saddle Dont use usual epoxy putty resin microballoons filletsthis materials too heavy Covering finishing Since trying make everything light possible best way go Super MonoKote similar lightweight covering bottom wing tail fuselage covered flat Dove Gray top plane covered flat Olive Drab upper surfaces camouflaged coat flat tan light earth enamel epoxy Suitable paints include Pactra Military Flats spray can RS Perfect Paint K&B Hobbypoxy Before spraying wipe surface MonoKote thinner acetone remove trace grease oil After camouflage pattern has painted mask spray roundels numbers use masking tape masking markings remove tape adjacent colors will probably lifted off made stencils newspaper just wet paper slide wet stencil place spray Simple worked fine Miscellaneous strnctural details standard called out plan such landing gear mounting blocks wing hold-on dowel nylon bolt nose cowl can built up balsa blocks sheet can make fiberglass keep light vacuum-form out sheet plastic Light cardboard landing gear covers attached landing gear legs silicone glue add final touch ready fly Flying Notes Before flying make sure CG right place wing has no warps wing big dont want slightest warp Reheating covering twisting offending surface simple cure advisable make some fast taxi tests before flight will help get feel airplane before first takeoff Begin takeoff rnn holding up elevator prevent nose-over throttle gunned As soon some speed built up relax neutral plane may fly off itself may require slight bit up elevator help rotation good duration Astro 15 dont indulge steep turns altitude-losing maneu vers Gentle wide turns will retain altitude give maximum flight time taxiing position back pits on-off switch used necessary very effective have motor servo set up full power forward throttle control halfway back gives cruise power full back stick shuts off motor Flying Spitfire beautiful experience Its unique mixture Scale Soaring RC Free Flight Dont look usual gas model performance though wish tear up skies better off usual noisy greasy bombs Im knocking kind flying mind since much RC fun fits category lightly-loaded Scale electric stuff new refreshing change pace dont forget ship also does nice relaxed job sport flying glow engine scale realism something like scale speed appreciated either case sport Spit calm summer evening something behold can build light youll love Big Bangers/BeckmanCrawford Continued page 38 Lauderdale FL 33312 Husky Top Flite Models Inc. l9JI Narragansett Ave Chicago IL 60639 Now lets get notes subjective com ments about four engines tested time Homelite 16 engine currently available directly usable form fairly easy convert several use around country have inquiries about itsince Kirby both use As far Continued page 118 October1981 115 I