WITH CHARACTERISTIC enthusiasm Ted Fancher offered write introduc tion article Gid Adkisson Laser t 2reat combination youve followed Nats results last couple years youre likely familiar big red Bud Light Special Laser flown Bob Whitely skin teeth second-place finish 1986 very strong seventh monster winds Lincoln 1987 clearly semiscale Stunter can really fly pattern since Al Rabes magnificent Sea Furys Mustangs has near-to-Scale Stunter competitive Top author winning Bud Light Stunter Bob Whitely beat three national champions 1986 Nats same basic design shown finish 2nd place Above Left Functional exhaust stacks help confine residue bottom fuselage author says prefers Top Flight 13 x 6 props prop different log should kept performance Above Right Gid says despite best efforts fuel has continually seeped during heavy use Conseqently will probably last two-piece airplane 66 Model Aviation highest levels Precision Aerobatics competition Believe ship may best breed date Gids name might little new some predict situation will short-lived guy can fly flew own Bud Light Lincoln inexperiencehe lost Pattern points second flight finals day kept him possibly edging out Mike Rogers prestigious Rookie Year award highest-placing firsttime qualifier Take guy whos whipped Gid Laser Rood As Ted Fancher says Control Line Stunter real aerobatics airplane story came being starts question back 1984 nagging some time kept asking myself todays Stunt planes look like space age works art rather piloted airplanes dont take some examples full-size aerobatic airplanes see can adapt style flying Insistent ques tion though Im true pioneer heart uncertain direction take decision did come easily ever go Super Tigre 46 en gine ST 60 has become well established steady powerful con sistent performer found ST 60 asks proper ring gap seal itll give miles steady running month after contest season ended 1984 nice new engine urge something different big question mark concerning precisely what still mentally wandering around trying find some direction happened stumble upon latest issue Model Airplane News featuring Leo Loudenslagers Laser 200 new Bud Light paint scheme took 10 seconds decide would next project acquired some three-views dug out Ted Fanchers guidelines designing Stunter started smoking batteries calcula tor objective make airplane scalelike possible staying within parameters good Stunt characteris tics project proceeding nicely until diagnosed Hodgkins dis ease spent 1985 flying season recuperating operations radiation treatments finally able finish model et trimmed out just before annualNth~th 1Appt Fresno astonishment able beat three former National Champions pick up pilots choice concourswith out doubt highlight entire mod eling career June 1988 67 muffler made section alumi num tubing lawn chair manifold piece V2-in brass tubing affixed small section Du-Bro muffler extension joints gluedlsealed Plastic Steel landing gear cut down re-bent stock Halco unit held place two 6-32 bolts Bud Light letters stenciled commercially available poster Access needle valve muffler ball-link connectors control hook mounting bolts achieved through alumi- ups over 200 flights logged letters num tubes through side fuselage beginning peel off early version Left The fuselage rudder/fin components point fuselage sides very flimsy finished structure will strong warp resistant Right Wing construction typical D-tube ready-to-cover weight 14 oz its about 2 oz lighter comparable foam wing get accuracy required CL Precision Aerobatics model like wing absolutely must built jig Left The author says used A-justo-jig first time model probably best-aligned fuselage hes ever built Right model number three still its skeletal form cockpit formers will cut down later sit top wing Left Alignment formers should double checked straightedge before installing stringers Structure really complex appears Right point its ready sanding fin rudder stab pinned place glued until after painting Two subsequent versions Bud Light Laser followed incorporating few true-to-scale revisions chang ing basic plan form last presented airplane looks awesome air always draws crowd flight line three have take-apart versions Ia RC have worked well care must taken build tight fits thin film sili cone prevent fuel seepage As level building proficiency required wing tail easy fuselage con struction puts out reach beginners skills Empennage Constructing tail first gives sense projects momen tum Simply build components over plans like make ribs little fat tape piece 220-grit sandpaper workbench sand flush slot control horn does need lined plywood soaking tail wheel mount cyanoacrylate CyA sufficient Total weight em pennage horn should 2/2 oz Wings straightforward proce dure use 1/20 A6 sheeting adhered double-sided type have used Ted Fan chers circular belicrank several years positive control achieves wouldnt consider going back old style machine out Delrin use Sig bushing very thin shim top Dont forget cover center section glass cloth shown building flaps try sticking bottom side workbench doublesided Scotch tape hold down sand shape hearts content before gluing top sheet As flap-to-elevator linkage must detachable bolt-on wings Bend piece thin K&S brass shown solder bolt flap pushrod 2-56 ball link bolted onto tab snap-on por tion attached elevator pushrod after great flying sessions link snaps off firmly did first time Fuselage Heres fun begins con struction techniques become demand ing Lay out longerons sheeting etc build over plans Attach shelv ing nose mark locations nose formers centerlines everything else will become part fuselage Build engine mount module out piece -in-sq maple /2-in sheet balsa 1/ ply laminated cross-grain Re sist temptation use anything heavier Trial fit engine mounts F-i F-2 Continued page 152 68 Model Aviation 332 HASA race AFT28 BALSAH SO BALSASCENT SHEET-STRINGERS SON WITH IYRA SHOOED AREA YAPLYWOODB BALSA A-pCREET - 777 J PBRAMP/ APPHAH CATSCRAP-iT n F-U7YOPPROINY WITS AHAf1 F-IPACICSI F- UYR BALSA COWL BUMP YB EDNA STEETISOHOP OF WINS BA FILLERS FUSELAGETOP VIEWUYRINBERSN CBBSSPIflflCIB PLYWOOD MOONT ABAALUM BRACREY SCALERAB B MLRBPANCA 122 B 8 LB 121K NOERY ATPILOTYR BALSA CMLHASA FIN H RUDOER COWL LIRE MOLDED ARMABLURWED BOLSA UD MOTOR MOUNT ICRNA MAPLE YB ROSA - MM RLRCKYLSTLEANCEYR C CD BALSA T FIL IDA PLY OMOSS BRA NEH IS SB CANOPY YANN CAP TOP AND MOHYRMIICA H-I MAPLE BLODOBALSA BACK IA BALSA SHEET SHELF FAN MOTOR UCLUT AND HAND FOOT OR SB BALSA SiBSANTO AND IYIR BALSASCEETINS -BALSA II--- Y2FL 2SYBDIACRADOACFR CIL ICR BALSABALSASPINNORo aBRACESTACEBCASYARBBIB BASA El-MOYR BARNSCAH AWAY FAN MUANH_____ SGENH PUSTROD CLEAHANENIIYABOLSO _MAPLE __-----r- -~-- NBEET AIMAABTOW BRAFT PASRSBWS --4L_ IYIbiYAROCKS3232 BALSA--H ANYIfCCL7~T B~TI BIRD WITO TRENAD DOUBLER 3CR 01W SHEETSOAR WITH CYDTAILWREEL CA PLyWOODSTRINGERS MORTON STRINGERS TYTO BALSA COWLCROSS STAN USELAGE_SIDE VIEWICR SO ROOD BALSA S HAUALUM1210PLH DOLELEMSSHEET OF S lARD PLYWOORMODEL AVIATION ______LASER REAR COWL FORMER ~IIIILII ROL LINE STUNT MIOBLE FDRMERISOADER AREA ISTYIB TOP B MOTTOM LB ROONT DESIGNED BY GIG ADEISSON IRA YOY MOUBLERSPATS 0C B3B5HTRACING BY JOE DEMARCO ALL BIGHTS BESEBTEB Full-Size Plans Available. See Page 164 YB BALSA WINS122 CENFETING BLOOR TIP PLATELEADOAT 232 PLH CAP LEFTWINGPLAN OR LIRE RLH NEARS-ICR DERIN BELL CT S DO BALSA MEDIAN FIRERALANS YB CENTEBIUB IIDR RABID WIRE LOOWYIONLB MaCBA NBEKT YE121KMACBA SHEET THES BATYRM 6LRCE326 MAPLE OR CENRETIBA RIGHT WING 1232 PLY326 BALSA OR LITE PLY SEAR27 ~ROOT RIB COO BALSAOM BALSA YB CENTETINGI SPEC FICATIONS YB BASIC WIDOV<jAWING AREATOO BA IN STARILIZEB AREASB NO IN AlSO 1216 PLY G IN FRAM CORE SHEETED WIYB 010 OR 220 BALSAFLAP TO ELEGIRTYB MYB MAPLE WEIGHT- TARE APARTDR-PS HZ BALNA MANORDIB3ANKWEIGHT BRE PIECERH TB RZ YB 122 BALNA SHEET BALSA STABILIZER 120 BALSABTTB NBEET SAL SR - LAMINATE i --CRANK ORN ELEV O&R ICR BALSA BRENT L N 3216 DOWEL 121K AL DOME IYMBALSA WING NOTE RIGHT WING ISANON LOCAFIRN SHOOTER THAN TTE LEFF WING SHEET S OF S MODEL AVIATION LASER CONTROL LINE STUNT DESIGNED BY DID ADISISSON TRACING BY JOE DEMARCO ALL RIBHTB RESERVED June 1988 69 CL Navy Carrier/Perry Continued page 149 significant assumption amount drag caused lines compared drag model itself am aware definitive study evaluate drag three-line control system typical Carrier model model significant variable equation wide range designs makes difficult make definitive assumptions Studies performed some years ago indicate line drag threeline system probably accounts over two-thirds total drag models number probably higher may hard some believe substantiated earlier studies analysis based model perform ance Navy Carrier rules mandate use three-line control systems Profile event discussion limited Class II models Class rules require three 015-in-dia lines two 020-in lines 026-in-dia line class II sizes 018 024 033 re spectively quick look cross-sectional area lines gives idea drag differences Including Reynolds number effects caused changing sizes results numbers approximate 15% reduction line drag going two lines 45% reduction going single line line drag reduced 15% line drag ac counts two-thirds total drag given speed total drag reduction would 10% 10% reduction drag doesnt produce 10% increase speed however Drag changes square speed still isnt answer un less model powered constant-thrust jet engine Because models piston engines essentially constant-power machines perform ance increases related cube speed POWER x VELOCITY bottom line change two lines three will result increase top speed 2% 4% depending model results increase score two points high-drag model capable about 320 points three-line control system about eight points average model capable 380-point flight real advantage comes using monoline system Monoline has potential crease scores 20 points assuming low-speed performance can maintained Unfor tunately fortunately depending point view throttle control monoline system READY TO FLY Call 1-800-45-TO FLY *LOW PRICES *EASY TO ASSEMBLE *NO BUILDING *NO PAINTING Piper Cherokee-40 Piper Cherokee-25 FokkerElll-40 Fancy Stick-25 Cessna 172-20 engine includedl $12999 $10899 $11999 $6999 $10899 Eh SUNSHINE HOBBY 17721 South Western Avenue Gardens California 90247 presents some significant technological hurdles low-speed flight likely slow reliable normal three-line control worth Youll have make own de cision question Non-Scale models Ive received some letters about comments made some months ago about Yak-9 P-Si profile kits suita bility Carrier competition letters have made want discuss issue again Yak-9 prototype doesnt qualify carrierbased aircraft nothing rules prohibits its use Carrier competition Yak9 becomes good Bell Airabonita little mo dification way would recom mend using prototype restrictions made actual carrier takeoffs landings designated carrier aircraft apply bonus points section rules Any model meeting basic specifica tions event can used competition re gardless whether represents qualify ing prototype aircraftit may receive bonus points however Although 100-point bonus Class Class II too significant ignore models have flown effectively Pro file Carrier 10 scale bonus points Laser/Atkisson Continued page 68 F-3 make sure fit together properly Tack glue appropriate scraps onto front engine mounts drill mounting holes install blind nuts dont use engine offset Build jig slip F-2 F-3 place temporarily glue crosspieces maintaining alignment go should become intimate right triangle during phase Raise front fu selage let F-3 fit fully place ensure alignment glue F-i F-2 F-3 place Glue wing mounting blocks A-in stab mounting Align wing drill mounting holes Bolt engine place using incidence meter shim needed make sure engine wing stab zero settings Install flap elevator pushrod leave place Remove wing slide C-i through C-4 place Check alignment straightedge install stringers nose cockpit rear fuselage Sheet ROCKET PLANE xP-1 Only Goes up like rocket Glides down like plane Ready Fly a Wood Crafted THE FLORLO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 152 Model Aviation Show Colors BECAUSE WERE PROUD OF THEM take lot pride building model So guess Color paint youre choosing finish take time put paint chip can Perfect Paint color youre buying color want . take guesswork out finishing -0SOSISO Ph 419-797-2208 P0 Box 2480 usky Ohio 44870 6 Modelers U M PChoice - High Quality - Convenient Size st Price Giant Kwik Set Epoxy 16 oz $1395 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add *150 postage Pictorial A-Z Vintage Classic Modd Aeroplane Engines Z vinta en ines Ace Zom over 1000 beautiful photos collated largest independent collections antique engines Available CLAN ENTERPRISES 8-JO Cricket Green Mitcham Surrey England $35 including air post packing insurance DICK DWYER 183 7 Flood Drive San Jose CA 95124- USA nose cockpit /16 balsa Install turtledeck top using hollowed block rolled sheet corresponds turtledeck construction prototype Glue A-in hard balsa stringers shown taper ing /16 thickness tail Make sure use hard balsa bottom area takes quite beating Cover nose cockpit sheeting glass cloth Cut bend Halco landing gear shown Make wheel pants out balsa epoxy onto gear / ply Epoxy throughout Duro plastic steel avallable auto parts hard ware stores have mounted wheel pants way long time no problems fuselage should weigh about 10 oz cockpit 2 oz landing gear Dave Brown wheels should come out 5 oz Muffler needle valve muffler Laser unique still easy con struct manifold small piece Du Bro muffler extension epoxied onto piece -in brass tubing Close up end tubing cut out exhaust hole muffler itself made piece aluminum lawn chair capped both ends stacks made very thin aluminum available hardware storethe type would use duct ing dryer Two pieces wrapped around small X-Acto knife handle ep oxied seam A-in brass tube pres sure tap soldered onto manifold pressure line running over under crankcase manifold muffler connected piece /2-in neoprene tubing needle valve standard ST vari ety cut off slotted Dremel emery disc short piece %2 wire sol dered slot access needle slotted piece A-in brass tubing about 8 long soldered piece music wire through other end brass slips through piece aluminum tubing installed sheeting nose Access 4-40 muffler mounting bolts arranged same fashion en sure alignment remove spraybar venturi bolt engine place A6 aluminum pads drill bits spraybar muffler holes Use fin gers some patience drill through side sheeting finish gluing aluminum tubing Use pencil eraser choke engine Finishing use silkspan-and-nitrate-dope base Super Poxy finishing coats get proper shade red mix three parts orange two parts red Since red has very little covering power prime base coat silver blue three parts blue part black get authentic template Bud Light obtain poster 3-in letters Re duce 5% wings fuse lage reduce height 1% method has cut letters out MonoKote trim seal Super Poxy heavy use always seem peel spots next Laser will masked frisket sprayed Since model almost quarter-scale quarter-scale DGA pilot narrowed shoulders good fit Again Ive seen full-size Bud Light Laser its very small airplane model close generous quarter-scale like brace wires can A2 music wire instead can feed 018 flying wire through attach points back starting point Flying have yet get air planes below 70 oz doesnt seem dampen Lasers flying prowess use 15%-nitro fuel 13 x 6 Top Flite Super M propeller blades thinned down 65-ft lines lead-outs stay pretty far forward rudder very effective small amount offset necessary airplane pulls hard appears fly slowly does because its size Bud Light Laser wasnt created splendid isolation want acknowl edge whove involved First let mention gratitude Ted Fancher help influence over years design goes against some wing power loading ideas think hes little baffled way flies Thanks also go Bob Whitely taking same basic Laser design winning second place 1986 Nats Last least am grateful fellow Clovis Control June 1988 153 #GRATE-SHAPESTM SANDING BLOCKS Long lasting silicon carbide grit aides 10 Long GS 101GS 102G& 103 Combo package #1-GS 101 102 103 $1195 S&H SAVE Six Pack Combo GSa above $2195 S&H Single GS $495 S&H AZ RESIDENTS ADD 50/s TAX products guaranteed ers invited GRATE-SHAPESmi ROUNDS Ask hobby dealer first GS 200 PKG SEND CHECK OR.. MASTER CHARGE MONEY ORDER TO OR VISA ACCEPTFD Sell Rock industries6486 Hwy 179-Suite 108 Sedans AZ 56336 9 long$795 S&H602 284-1806 iI1\ OS104OS 105GS 106 318 & 5/5 900 Vs w1518 450 & 900 Combo package #2-GS 104 105 106 $1195 S&H GRATE-S HAPESmi SQUARES GS 300 PKG 9 long$495 S&H CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 Line Club members have helped design construction engines coaching night Unquestion ably half enjoyment hobby comes friendships camarade rie people share interest en thusiasm hope get much pleasure out building flying Laser have Being competitive Control Line Stunt doing Scale model double fun FF Duration/Murphy Continued page 73 ferred columns promote RC activities types models should no longer clas sified Free Flight true sense term say radio has no place Free Flightfar present number radio-activated model retrieval sys tems commercialty available wide range prices $20 up sophisticated systems top out about $500 Most systems permit case model location thickest cornfields tallest trees turn may totat remedy can satisfactorily retrieve model some consolation using subpar flying sites As long model unaffected type RC control during powered gliding portion official flight would think should matter contestant brought model down blast 12-gauge shotgun pleased him Yes read FAI permitted contestant utilize RC-actuated engine cutoff last summers World Champs com ment whether good bad Remem ber FAI events obviously super-high-tech RC-actuated fuel cutoff just adds long list sophisticated gadgetry contin ues evolve competition program am suppress technology however point time vote no way use such concepts domestic AMA competition supposedly beats its chest support am ateurism entry-level novice competition Therefore opinion long official timer timing flight model should type RC permitted timer walks away thenand should permitted drag Out radios fire arms pet Golden Retriever efforts fa cilitate recapture model Longtime pen pal Lyman Armstrong Yuba City CA swamped about two dozen photographs dissertation recent tics Stockton GMA Gas Model Associa tion Some photos appear issue Ly man joined protest few years ago Rand McNally nominated Yuba City its worst city US Anderson City IN placed tenth RM received much flak over poll think reverted back selling maps af ter Whaddathey knowright Lyman Finishing touches time read winter building projects started last New Years Day should nearing completion might appropriate review possible ap proaches some final steps comple tion new model Lets kick off comment received Joe Wagner Wilmington PA Joe sez refer ring curved-windshield discussion ran February column makes curved windshields out transparent plastic two-liter pop bottles claims material fuel-proof nicely precurved can further reformed compound shape within reason heating hot waterplus fact reliable commercial butyrate sheet go get blue chip recycling another item would otherwise headed city dump Filling little dents gouges depres sions etc balsawood prior doping frame work model receives lots help num ber methods products ageless proced ure adding talcum dope will give good results amount dope limited enough make mixture consistency thick mud However have recently quit using procedure since thick dope seem ingly takes forever dry thoroughly enough permit satisfactory sanding plus mixture will often shrink enough require additional applica tions now get satisfactory results using inex pensive plaster-wall fillers such Franklins Spacklebond DAPs Fastn Final Spackling can found local discount department stores home improvement ar eas find require initial fill compounds shrink crack dry hard fast no timeplus sandable Good stuffi drawback products dry white balsa skin color color-doped models no conse quence cover model thin silk some other transparent coveting ma terial blotches white may undesirable appearance recently mentioned Jerry Fowler during telephone conversation 154 Model Aviation P S Send catalog modelers safety supplies
Edition: Model Aviation - 1988/06
Page Numbers: 66, 67, 68, 69, 152, 153, 154
WITH CHARACTERISTIC enthusiasm Ted Fancher offered write introduc tion article Gid Adkisson Laser t 2reat combination youve followed Nats results last couple years youre likely familiar big red Bud Light Special Laser flown Bob Whitely skin teeth second-place finish 1986 very strong seventh monster winds Lincoln 1987 clearly semiscale Stunter can really fly pattern since Al Rabes magnificent Sea Furys Mustangs has near-to-Scale Stunter competitive Top author winning Bud Light Stunter Bob Whitely beat three national champions 1986 Nats same basic design shown finish 2nd place Above Left Functional exhaust stacks help confine residue bottom fuselage author says prefers Top Flight 13 x 6 props prop different log should kept performance Above Right Gid says despite best efforts fuel has continually seeped during heavy use Conseqently will probably last two-piece airplane 66 Model Aviation highest levels Precision Aerobatics competition Believe ship may best breed date Gids name might little new some predict situation will short-lived guy can fly flew own Bud Light Lincoln inexperiencehe lost Pattern points second flight finals day kept him possibly edging out Mike Rogers prestigious Rookie Year award highest-placing firsttime qualifier Take guy whos whipped Gid Laser Rood As Ted Fancher says Control Line Stunter real aerobatics airplane story came being starts question back 1984 nagging some time kept asking myself todays Stunt planes look like space age works art rather piloted airplanes dont take some examples full-size aerobatic airplanes see can adapt style flying Insistent ques tion though Im true pioneer heart uncertain direction take decision did come easily ever go Super Tigre 46 en gine ST 60 has become well established steady powerful con sistent performer found ST 60 asks proper ring gap seal itll give miles steady running month after contest season ended 1984 nice new engine urge something different big question mark concerning precisely what still mentally wandering around trying find some direction happened stumble upon latest issue Model Airplane News featuring Leo Loudenslagers Laser 200 new Bud Light paint scheme took 10 seconds decide would next project acquired some three-views dug out Ted Fanchers guidelines designing Stunter started smoking batteries calcula tor objective make airplane scalelike possible staying within parameters good Stunt characteris tics project proceeding nicely until diagnosed Hodgkins dis ease spent 1985 flying season recuperating operations radiation treatments finally able finish model et trimmed out just before annualNth~th 1Appt Fresno astonishment able beat three former National Champions pick up pilots choice concourswith out doubt highlight entire mod eling career June 1988 67 muffler made section alumi num tubing lawn chair manifold piece V2-in brass tubing affixed small section Du-Bro muffler extension joints gluedlsealed Plastic Steel landing gear cut down re-bent stock Halco unit held place two 6-32 bolts Bud Light letters stenciled commercially available poster Access needle valve muffler ball-link connectors control hook mounting bolts achieved through alumi- ups over 200 flights logged letters num tubes through side fuselage beginning peel off early version Left The fuselage rudder/fin components point fuselage sides very flimsy finished structure will strong warp resistant Right Wing construction typical D-tube ready-to-cover weight 14 oz its about 2 oz lighter comparable foam wing get accuracy required CL Precision Aerobatics model like wing absolutely must built jig Left The author says used A-justo-jig first time model probably best-aligned fuselage hes ever built Right model number three still its skeletal form cockpit formers will cut down later sit top wing Left Alignment formers should double checked straightedge before installing stringers Structure really complex appears Right point its ready sanding fin rudder stab pinned place glued until after painting Two subsequent versions Bud Light Laser followed incorporating few true-to-scale revisions chang ing basic plan form last presented airplane looks awesome air always draws crowd flight line three have take-apart versions Ia RC have worked well care must taken build tight fits thin film sili cone prevent fuel seepage As level building proficiency required wing tail easy fuselage con struction puts out reach beginners skills Empennage Constructing tail first gives sense projects momen tum Simply build components over plans like make ribs little fat tape piece 220-grit sandpaper workbench sand flush slot control horn does need lined plywood soaking tail wheel mount cyanoacrylate CyA sufficient Total weight em pennage horn should 2/2 oz Wings straightforward proce dure use 1/20 A6 sheeting adhered double-sided type have used Ted Fan chers circular belicrank several years positive control achieves wouldnt consider going back old style machine out Delrin use Sig bushing very thin shim top Dont forget cover center section glass cloth shown building flaps try sticking bottom side workbench doublesided Scotch tape hold down sand shape hearts content before gluing top sheet As flap-to-elevator linkage must detachable bolt-on wings Bend piece thin K&S brass shown solder bolt flap pushrod 2-56 ball link bolted onto tab snap-on por tion attached elevator pushrod after great flying sessions link snaps off firmly did first time Fuselage Heres fun begins con struction techniques become demand ing Lay out longerons sheeting etc build over plans Attach shelv ing nose mark locations nose formers centerlines everything else will become part fuselage Build engine mount module out piece -in-sq maple /2-in sheet balsa 1/ ply laminated cross-grain Re sist temptation use anything heavier Trial fit engine mounts F-i F-2 Continued page 152 68 Model Aviation 332 HASA race AFT28 BALSAH SO BALSASCENT SHEET-STRINGERS SON WITH IYRA SHOOED AREA YAPLYWOODB BALSA A-pCREET - 777 J PBRAMP/ APPHAH CATSCRAP-iT n F-U7YOPPROINY WITS AHAf1 F-IPACICSI F- UYR BALSA COWL BUMP YB EDNA STEETISOHOP OF WINS BA FILLERS FUSELAGETOP VIEWUYRINBERSN CBBSSPIflflCIB PLYWOOD MOONT ABAALUM BRACREY SCALERAB B MLRBPANCA 122 B 8 LB 121K NOERY ATPILOTYR BALSA CMLHASA FIN H RUDOER COWL LIRE MOLDED ARMABLURWED BOLSA UD MOTOR MOUNT ICRNA MAPLE YB ROSA - MM RLRCKYLSTLEANCEYR C CD BALSA T FIL IDA PLY OMOSS BRA NEH IS SB CANOPY YANN CAP TOP AND MOHYRMIICA H-I MAPLE BLODOBALSA BACK IA BALSA SHEET SHELF FAN MOTOR UCLUT AND HAND FOOT OR SB BALSA SiBSANTO AND IYIR BALSASCEETINS -BALSA II--- Y2FL 2SYBDIACRADOACFR CIL ICR BALSABALSASPINNORo aBRACESTACEBCASYARBBIB BASA El-MOYR BARNSCAH AWAY FAN MUANH_____ SGENH PUSTROD CLEAHANENIIYABOLSO _MAPLE __-----r- -~-- NBEET AIMAABTOW BRAFT PASRSBWS --4L_ IYIbiYAROCKS3232 BALSA--H ANYIfCCL7~T B~TI BIRD WITO TRENAD DOUBLER 3CR 01W SHEETSOAR WITH CYDTAILWREEL CA PLyWOODSTRINGERS MORTON STRINGERS TYTO BALSA COWLCROSS STAN USELAGE_SIDE VIEWICR SO ROOD BALSA S HAUALUM1210PLH DOLELEMSSHEET OF S lARD PLYWOORMODEL AVIATION ______LASER REAR COWL FORMER ~IIIILII ROL LINE STUNT MIOBLE FDRMERISOADER AREA ISTYIB TOP B MOTTOM LB ROONT DESIGNED BY GIG ADEISSON IRA YOY MOUBLERSPATS 0C B3B5HTRACING BY JOE DEMARCO ALL BIGHTS BESEBTEB Full-Size Plans Available. See Page 164 YB BALSA WINS122 CENFETING BLOOR TIP PLATELEADOAT 232 PLH CAP LEFTWINGPLAN OR LIRE RLH NEARS-ICR DERIN BELL CT S DO BALSA MEDIAN FIRERALANS YB CENTEBIUB IIDR RABID WIRE LOOWYIONLB MaCBA NBEKT YE121KMACBA SHEET THES BATYRM 6LRCE326 MAPLE OR CENRETIBA RIGHT WING 1232 PLY326 BALSA OR LITE PLY SEAR27 ~ROOT RIB COO BALSAOM BALSA YB CENTETINGI SPEC FICATIONS YB BASIC WIDOV<jAWING AREATOO BA IN STARILIZEB AREASB NO IN AlSO 1216 PLY G IN FRAM CORE SHEETED WIYB 010 OR 220 BALSAFLAP TO ELEGIRTYB MYB MAPLE WEIGHT- TARE APARTDR-PS HZ BALNA MANORDIB3ANKWEIGHT BRE PIECERH TB RZ YB 122 BALNA SHEET BALSA STABILIZER 120 BALSABTTB NBEET SAL SR - LAMINATE i --CRANK ORN ELEV O&R ICR BALSA BRENT L N 3216 DOWEL 121K AL DOME IYMBALSA WING NOTE RIGHT WING ISANON LOCAFIRN SHOOTER THAN TTE LEFF WING SHEET S OF S MODEL AVIATION LASER CONTROL LINE STUNT DESIGNED BY DID ADISISSON TRACING BY JOE DEMARCO ALL RIBHTB RESERVED June 1988 69 CL Navy Carrier/Perry Continued page 149 significant assumption amount drag caused lines compared drag model itself am aware definitive study evaluate drag three-line control system typical Carrier model model significant variable equation wide range designs makes difficult make definitive assumptions Studies performed some years ago indicate line drag threeline system probably accounts over two-thirds total drag models number probably higher may hard some believe substantiated earlier studies analysis based model perform ance Navy Carrier rules mandate use three-line control systems Profile event discussion limited Class II models Class rules require three 015-in-dia lines two 020-in lines 026-in-dia line class II sizes 018 024 033 re spectively quick look cross-sectional area lines gives idea drag differences Including Reynolds number effects caused changing sizes results numbers approximate 15% reduction line drag going two lines 45% reduction going single line line drag reduced 15% line drag ac counts two-thirds total drag given speed total drag reduction would 10% 10% reduction drag doesnt produce 10% increase speed however Drag changes square speed still isnt answer un less model powered constant-thrust jet engine Because models piston engines essentially constant-power machines perform ance increases related cube speed POWER x VELOCITY bottom line change two lines three will result increase top speed 2% 4% depending model results increase score two points high-drag model capable about 320 points three-line control system about eight points average model capable 380-point flight real advantage comes using monoline system Monoline has potential crease scores 20 points assuming low-speed performance can maintained Unfor tunately fortunately depending point view throttle control monoline system READY TO FLY Call 1-800-45-TO FLY *LOW PRICES *EASY TO ASSEMBLE *NO BUILDING *NO PAINTING Piper Cherokee-40 Piper Cherokee-25 FokkerElll-40 Fancy Stick-25 Cessna 172-20 engine includedl $12999 $10899 $11999 $6999 $10899 Eh SUNSHINE HOBBY 17721 South Western Avenue Gardens California 90247 presents some significant technological hurdles low-speed flight likely slow reliable normal three-line control worth Youll have make own de cision question Non-Scale models Ive received some letters about comments made some months ago about Yak-9 P-Si profile kits suita bility Carrier competition letters have made want discuss issue again Yak-9 prototype doesnt qualify carrierbased aircraft nothing rules prohibits its use Carrier competition Yak9 becomes good Bell Airabonita little mo dification way would recom mend using prototype restrictions made actual carrier takeoffs landings designated carrier aircraft apply bonus points section rules Any model meeting basic specifica tions event can used competition re gardless whether represents qualify ing prototype aircraftit may receive bonus points however Although 100-point bonus Class Class II too significant ignore models have flown effectively Pro file Carrier 10 scale bonus points Laser/Atkisson Continued page 68 F-3 make sure fit together properly Tack glue appropriate scraps onto front engine mounts drill mounting holes install blind nuts dont use engine offset Build jig slip F-2 F-3 place temporarily glue crosspieces maintaining alignment go should become intimate right triangle during phase Raise front fu selage let F-3 fit fully place ensure alignment glue F-i F-2 F-3 place Glue wing mounting blocks A-in stab mounting Align wing drill mounting holes Bolt engine place using incidence meter shim needed make sure engine wing stab zero settings Install flap elevator pushrod leave place Remove wing slide C-i through C-4 place Check alignment straightedge install stringers nose cockpit rear fuselage Sheet ROCKET PLANE xP-1 Only Goes up like rocket Glides down like plane Ready Fly a Wood Crafted THE FLORLO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 152 Model Aviation Show Colors BECAUSE WERE PROUD OF THEM take lot pride building model So guess Color paint youre choosing finish take time put paint chip can Perfect Paint color youre buying color want . take guesswork out finishing -0SOSISO Ph 419-797-2208 P0 Box 2480 usky Ohio 44870 6 Modelers U M PChoice - High Quality - Convenient Size st Price Giant Kwik Set Epoxy 16 oz $1395 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add *150 postage Pictorial A-Z Vintage Classic Modd Aeroplane Engines Z vinta en ines Ace Zom over 1000 beautiful photos collated largest independent collections antique engines Available CLAN ENTERPRISES 8-JO Cricket Green Mitcham Surrey England $35 including air post packing insurance DICK DWYER 183 7 Flood Drive San Jose CA 95124- USA nose cockpit /16 balsa Install turtledeck top using hollowed block rolled sheet corresponds turtledeck construction prototype Glue A-in hard balsa stringers shown taper ing /16 thickness tail Make sure use hard balsa bottom area takes quite beating Cover nose cockpit sheeting glass cloth Cut bend Halco landing gear shown Make wheel pants out balsa epoxy onto gear / ply Epoxy throughout Duro plastic steel avallable auto parts hard ware stores have mounted wheel pants way long time no problems fuselage should weigh about 10 oz cockpit 2 oz landing gear Dave Brown wheels should come out 5 oz Muffler needle valve muffler Laser unique still easy con struct manifold small piece Du Bro muffler extension epoxied onto piece -in brass tubing Close up end tubing cut out exhaust hole muffler itself made piece aluminum lawn chair capped both ends stacks made very thin aluminum available hardware storethe type would use duct ing dryer Two pieces wrapped around small X-Acto knife handle ep oxied seam A-in brass tube pres sure tap soldered onto manifold pressure line running over under crankcase manifold muffler connected piece /2-in neoprene tubing needle valve standard ST vari ety cut off slotted Dremel emery disc short piece %2 wire sol dered slot access needle slotted piece A-in brass tubing about 8 long soldered piece music wire through other end brass slips through piece aluminum tubing installed sheeting nose Access 4-40 muffler mounting bolts arranged same fashion en sure alignment remove spraybar venturi bolt engine place A6 aluminum pads drill bits spraybar muffler holes Use fin gers some patience drill through side sheeting finish gluing aluminum tubing Use pencil eraser choke engine Finishing use silkspan-and-nitrate-dope base Super Poxy finishing coats get proper shade red mix three parts orange two parts red Since red has very little covering power prime base coat silver blue three parts blue part black get authentic template Bud Light obtain poster 3-in letters Re duce 5% wings fuse lage reduce height 1% method has cut letters out MonoKote trim seal Super Poxy heavy use always seem peel spots next Laser will masked frisket sprayed Since model almost quarter-scale quarter-scale DGA pilot narrowed shoulders good fit Again Ive seen full-size Bud Light Laser its very small airplane model close generous quarter-scale like brace wires can A2 music wire instead can feed 018 flying wire through attach points back starting point Flying have yet get air planes below 70 oz doesnt seem dampen Lasers flying prowess use 15%-nitro fuel 13 x 6 Top Flite Super M propeller blades thinned down 65-ft lines lead-outs stay pretty far forward rudder very effective small amount offset necessary airplane pulls hard appears fly slowly does because its size Bud Light Laser wasnt created splendid isolation want acknowl edge whove involved First let mention gratitude Ted Fancher help influence over years design goes against some wing power loading ideas think hes little baffled way flies Thanks also go Bob Whitely taking same basic Laser design winning second place 1986 Nats Last least am grateful fellow Clovis Control June 1988 153 #GRATE-SHAPESTM SANDING BLOCKS Long lasting silicon carbide grit aides 10 Long GS 101GS 102G& 103 Combo package #1-GS 101 102 103 $1195 S&H SAVE Six Pack Combo GSa above $2195 S&H Single GS $495 S&H AZ RESIDENTS ADD 50/s TAX products guaranteed ers invited GRATE-SHAPESmi ROUNDS Ask hobby dealer first GS 200 PKG SEND CHECK OR.. MASTER CHARGE MONEY ORDER TO OR VISA ACCEPTFD Sell Rock industries6486 Hwy 179-Suite 108 Sedans AZ 56336 9 long$795 S&H602 284-1806 iI1\ OS104OS 105GS 106 318 & 5/5 900 Vs w1518 450 & 900 Combo package #2-GS 104 105 106 $1195 S&H GRATE-S HAPESmi SQUARES GS 300 PKG 9 long$495 S&H CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 Line Club members have helped design construction engines coaching night Unquestion ably half enjoyment hobby comes friendships camarade rie people share interest en thusiasm hope get much pleasure out building flying Laser have Being competitive Control Line Stunt doing Scale model double fun FF Duration/Murphy Continued page 73 ferred columns promote RC activities types models should no longer clas sified Free Flight true sense term say radio has no place Free Flightfar present number radio-activated model retrieval sys tems commercialty available wide range prices $20 up sophisticated systems top out about $500 Most systems permit case model location thickest cornfields tallest trees turn may totat remedy can satisfactorily retrieve model some consolation using subpar flying sites As long model unaffected type RC control during powered gliding portion official flight would think should matter contestant brought model down blast 12-gauge shotgun pleased him Yes read FAI permitted contestant utilize RC-actuated engine cutoff last summers World Champs com ment whether good bad Remem ber FAI events obviously super-high-tech RC-actuated fuel cutoff just adds long list sophisticated gadgetry contin ues evolve competition program am suppress technology however point time vote no way use such concepts domestic AMA competition supposedly beats its chest support am ateurism entry-level novice competition Therefore opinion long official timer timing flight model should type RC permitted timer walks away thenand should permitted drag Out radios fire arms pet Golden Retriever efforts fa cilitate recapture model Longtime pen pal Lyman Armstrong Yuba City CA swamped about two dozen photographs dissertation recent tics Stockton GMA Gas Model Associa tion Some photos appear issue Ly man joined protest few years ago Rand McNally nominated Yuba City its worst city US Anderson City IN placed tenth RM received much flak over poll think reverted back selling maps af ter Whaddathey knowright Lyman Finishing touches time read winter building projects started last New Years Day should nearing completion might appropriate review possible ap proaches some final steps comple tion new model Lets kick off comment received Joe Wagner Wilmington PA Joe sez refer ring curved-windshield discussion ran February column makes curved windshields out transparent plastic two-liter pop bottles claims material fuel-proof nicely precurved can further reformed compound shape within reason heating hot waterplus fact reliable commercial butyrate sheet go get blue chip recycling another item would otherwise headed city dump Filling little dents gouges depres sions etc balsawood prior doping frame work model receives lots help num ber methods products ageless proced ure adding talcum dope will give good results amount dope limited enough make mixture consistency thick mud However have recently quit using procedure since thick dope seem ingly takes forever dry thoroughly enough permit satisfactory sanding plus mixture will often shrink enough require additional applica tions now get satisfactory results using inex pensive plaster-wall fillers such Franklins Spacklebond DAPs Fastn Final Spackling can found local discount department stores home improvement ar eas find require initial fill compounds shrink crack dry hard fast no timeplus sandable Good stuffi drawback products dry white balsa skin color color-doped models no conse quence cover model thin silk some other transparent coveting ma terial blotches white may undesirable appearance recently mentioned Jerry Fowler during telephone conversation 154 Model Aviation P S Send catalog modelers safety supplies
Edition: Model Aviation - 1988/06
Page Numbers: 66, 67, 68, 69, 152, 153, 154
WITH CHARACTERISTIC enthusiasm Ted Fancher offered write introduc tion article Gid Adkisson Laser t 2reat combination youve followed Nats results last couple years youre likely familiar big red Bud Light Special Laser flown Bob Whitely skin teeth second-place finish 1986 very strong seventh monster winds Lincoln 1987 clearly semiscale Stunter can really fly pattern since Al Rabes magnificent Sea Furys Mustangs has near-to-Scale Stunter competitive Top author winning Bud Light Stunter Bob Whitely beat three national champions 1986 Nats same basic design shown finish 2nd place Above Left Functional exhaust stacks help confine residue bottom fuselage author says prefers Top Flight 13 x 6 props prop different log should kept performance Above Right Gid says despite best efforts fuel has continually seeped during heavy use Conseqently will probably last two-piece airplane 66 Model Aviation highest levels Precision Aerobatics competition Believe ship may best breed date Gids name might little new some predict situation will short-lived guy can fly flew own Bud Light Lincoln inexperiencehe lost Pattern points second flight finals day kept him possibly edging out Mike Rogers prestigious Rookie Year award highest-placing firsttime qualifier Take guy whos whipped Gid Laser Rood As Ted Fancher says Control Line Stunter real aerobatics airplane story came being starts question back 1984 nagging some time kept asking myself todays Stunt planes look like space age works art rather piloted airplanes dont take some examples full-size aerobatic airplanes see can adapt style flying Insistent ques tion though Im true pioneer heart uncertain direction take decision did come easily ever go Super Tigre 46 en gine ST 60 has become well established steady powerful con sistent performer found ST 60 asks proper ring gap seal itll give miles steady running month after contest season ended 1984 nice new engine urge something different big question mark concerning precisely what still mentally wandering around trying find some direction happened stumble upon latest issue Model Airplane News featuring Leo Loudenslagers Laser 200 new Bud Light paint scheme took 10 seconds decide would next project acquired some three-views dug out Ted Fanchers guidelines designing Stunter started smoking batteries calcula tor objective make airplane scalelike possible staying within parameters good Stunt characteris tics project proceeding nicely until diagnosed Hodgkins dis ease spent 1985 flying season recuperating operations radiation treatments finally able finish model et trimmed out just before annualNth~th 1Appt Fresno astonishment able beat three former National Champions pick up pilots choice concourswith out doubt highlight entire mod eling career June 1988 67 muffler made section alumi num tubing lawn chair manifold piece V2-in brass tubing affixed small section Du-Bro muffler extension joints gluedlsealed Plastic Steel landing gear cut down re-bent stock Halco unit held place two 6-32 bolts Bud Light letters stenciled commercially available poster Access needle valve muffler ball-link connectors control hook mounting bolts achieved through alumi- ups over 200 flights logged letters num tubes through side fuselage beginning peel off early version Left The fuselage rudder/fin components point fuselage sides very flimsy finished structure will strong warp resistant Right Wing construction typical D-tube ready-to-cover weight 14 oz its about 2 oz lighter comparable foam wing get accuracy required CL Precision Aerobatics model like wing absolutely must built jig Left The author says used A-justo-jig first time model probably best-aligned fuselage hes ever built Right model number three still its skeletal form cockpit formers will cut down later sit top wing Left Alignment formers should double checked straightedge before installing stringers Structure really complex appears Right point its ready sanding fin rudder stab pinned place glued until after painting Two subsequent versions Bud Light Laser followed incorporating few true-to-scale revisions chang ing basic plan form last presented airplane looks awesome air always draws crowd flight line three have take-apart versions Ia RC have worked well care must taken build tight fits thin film sili cone prevent fuel seepage As level building proficiency required wing tail easy fuselage con struction puts out reach beginners skills Empennage Constructing tail first gives sense projects momen tum Simply build components over plans like make ribs little fat tape piece 220-grit sandpaper workbench sand flush slot control horn does need lined plywood soaking tail wheel mount cyanoacrylate CyA sufficient Total weight em pennage horn should 2/2 oz Wings straightforward proce dure use 1/20 A6 sheeting adhered double-sided type have used Ted Fan chers circular belicrank several years positive control achieves wouldnt consider going back old style machine out Delrin use Sig bushing very thin shim top Dont forget cover center section glass cloth shown building flaps try sticking bottom side workbench doublesided Scotch tape hold down sand shape hearts content before gluing top sheet As flap-to-elevator linkage must detachable bolt-on wings Bend piece thin K&S brass shown solder bolt flap pushrod 2-56 ball link bolted onto tab snap-on por tion attached elevator pushrod after great flying sessions link snaps off firmly did first time Fuselage Heres fun begins con struction techniques become demand ing Lay out longerons sheeting etc build over plans Attach shelv ing nose mark locations nose formers centerlines everything else will become part fuselage Build engine mount module out piece -in-sq maple /2-in sheet balsa 1/ ply laminated cross-grain Re sist temptation use anything heavier Trial fit engine mounts F-i F-2 Continued page 152 68 Model Aviation 332 HASA race AFT28 BALSAH SO BALSASCENT SHEET-STRINGERS SON WITH IYRA SHOOED AREA YAPLYWOODB BALSA A-pCREET - 777 J PBRAMP/ APPHAH CATSCRAP-iT n F-U7YOPPROINY WITS AHAf1 F-IPACICSI F- UYR BALSA COWL BUMP YB EDNA STEETISOHOP OF WINS BA FILLERS FUSELAGETOP VIEWUYRINBERSN CBBSSPIflflCIB PLYWOOD MOONT ABAALUM BRACREY SCALERAB B MLRBPANCA 122 B 8 LB 121K NOERY ATPILOTYR BALSA CMLHASA FIN H RUDOER COWL LIRE MOLDED ARMABLURWED BOLSA UD MOTOR MOUNT ICRNA MAPLE YB ROSA - MM RLRCKYLSTLEANCEYR C CD BALSA T FIL IDA PLY OMOSS BRA NEH IS SB CANOPY YANN CAP TOP AND MOHYRMIICA H-I MAPLE BLODOBALSA BACK IA BALSA SHEET SHELF FAN MOTOR UCLUT AND HAND FOOT OR SB BALSA SiBSANTO AND IYIR BALSASCEETINS -BALSA II--- Y2FL 2SYBDIACRADOACFR CIL ICR BALSABALSASPINNORo aBRACESTACEBCASYARBBIB BASA El-MOYR BARNSCAH AWAY FAN MUANH_____ SGENH PUSTROD CLEAHANENIIYABOLSO _MAPLE __-----r- -~-- NBEET AIMAABTOW BRAFT PASRSBWS --4L_ IYIbiYAROCKS3232 BALSA--H ANYIfCCL7~T B~TI BIRD WITO TRENAD DOUBLER 3CR 01W SHEETSOAR WITH CYDTAILWREEL CA PLyWOODSTRINGERS MORTON STRINGERS TYTO BALSA COWLCROSS STAN USELAGE_SIDE VIEWICR SO ROOD BALSA S HAUALUM1210PLH DOLELEMSSHEET OF S lARD PLYWOORMODEL AVIATION ______LASER REAR COWL FORMER ~IIIILII ROL LINE STUNT MIOBLE FDRMERISOADER AREA ISTYIB TOP B MOTTOM LB ROONT DESIGNED BY GIG ADEISSON IRA YOY MOUBLERSPATS 0C B3B5HTRACING BY JOE DEMARCO ALL BIGHTS BESEBTEB Full-Size Plans Available. See Page 164 YB BALSA WINS122 CENFETING BLOOR TIP PLATELEADOAT 232 PLH CAP LEFTWINGPLAN OR LIRE RLH NEARS-ICR DERIN BELL CT S DO BALSA MEDIAN FIRERALANS YB CENTEBIUB IIDR RABID WIRE LOOWYIONLB MaCBA NBEKT YE121KMACBA SHEET THES BATYRM 6LRCE326 MAPLE OR CENRETIBA RIGHT WING 1232 PLY326 BALSA OR LITE PLY SEAR27 ~ROOT RIB COO BALSAOM BALSA YB CENTETINGI SPEC FICATIONS YB BASIC WIDOV<jAWING AREATOO BA IN STARILIZEB AREASB NO IN AlSO 1216 PLY G IN FRAM CORE SHEETED WIYB 010 OR 220 BALSAFLAP TO ELEGIRTYB MYB MAPLE WEIGHT- TARE APARTDR-PS HZ BALNA MANORDIB3ANKWEIGHT BRE PIECERH TB RZ YB 122 BALNA SHEET BALSA STABILIZER 120 BALSABTTB NBEET SAL SR - LAMINATE i --CRANK ORN ELEV O&R ICR BALSA BRENT L N 3216 DOWEL 121K AL DOME IYMBALSA WING NOTE RIGHT WING ISANON LOCAFIRN SHOOTER THAN TTE LEFF WING SHEET S OF S MODEL AVIATION LASER CONTROL LINE STUNT DESIGNED BY DID ADISISSON TRACING BY JOE DEMARCO ALL RIBHTB RESERVED June 1988 69 CL Navy Carrier/Perry Continued page 149 significant assumption amount drag caused lines compared drag model itself am aware definitive study evaluate drag three-line control system typical Carrier model model significant variable equation wide range designs makes difficult make definitive assumptions Studies performed some years ago indicate line drag threeline system probably accounts over two-thirds total drag models number probably higher may hard some believe substantiated earlier studies analysis based model perform ance Navy Carrier rules mandate use three-line control systems Profile event discussion limited Class II models Class rules require three 015-in-dia lines two 020-in lines 026-in-dia line class II sizes 018 024 033 re spectively quick look cross-sectional area lines gives idea drag differences Including Reynolds number effects caused changing sizes results numbers approximate 15% reduction line drag going two lines 45% reduction going single line line drag reduced 15% line drag ac counts two-thirds total drag given speed total drag reduction would 10% 10% reduction drag doesnt produce 10% increase speed however Drag changes square speed still isnt answer un less model powered constant-thrust jet engine Because models piston engines essentially constant-power machines perform ance increases related cube speed POWER x VELOCITY bottom line change two lines three will result increase top speed 2% 4% depending model results increase score two points high-drag model capable about 320 points three-line control system about eight points average model capable 380-point flight real advantage comes using monoline system Monoline has potential crease scores 20 points assuming low-speed performance can maintained Unfor tunately fortunately depending point view throttle control monoline system READY TO FLY Call 1-800-45-TO FLY *LOW PRICES *EASY TO ASSEMBLE *NO BUILDING *NO PAINTING Piper Cherokee-40 Piper Cherokee-25 FokkerElll-40 Fancy Stick-25 Cessna 172-20 engine includedl $12999 $10899 $11999 $6999 $10899 Eh SUNSHINE HOBBY 17721 South Western Avenue Gardens California 90247 presents some significant technological hurdles low-speed flight likely slow reliable normal three-line control worth Youll have make own de cision question Non-Scale models Ive received some letters about comments made some months ago about Yak-9 P-Si profile kits suita bility Carrier competition letters have made want discuss issue again Yak-9 prototype doesnt qualify carrierbased aircraft nothing rules prohibits its use Carrier competition Yak9 becomes good Bell Airabonita little mo dification way would recom mend using prototype restrictions made actual carrier takeoffs landings designated carrier aircraft apply bonus points section rules Any model meeting basic specifica tions event can used competition re gardless whether represents qualify ing prototype aircraftit may receive bonus points however Although 100-point bonus Class Class II too significant ignore models have flown effectively Pro file Carrier 10 scale bonus points Laser/Atkisson Continued page 68 F-3 make sure fit together properly Tack glue appropriate scraps onto front engine mounts drill mounting holes install blind nuts dont use engine offset Build jig slip F-2 F-3 place temporarily glue crosspieces maintaining alignment go should become intimate right triangle during phase Raise front fu selage let F-3 fit fully place ensure alignment glue F-i F-2 F-3 place Glue wing mounting blocks A-in stab mounting Align wing drill mounting holes Bolt engine place using incidence meter shim needed make sure engine wing stab zero settings Install flap elevator pushrod leave place Remove wing slide C-i through C-4 place Check alignment straightedge install stringers nose cockpit rear fuselage Sheet ROCKET PLANE xP-1 Only Goes up like rocket Glides down like plane Ready Fly a Wood Crafted THE FLORLO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 152 Model Aviation Show Colors BECAUSE WERE PROUD OF THEM take lot pride building model So guess Color paint youre choosing finish take time put paint chip can Perfect Paint color youre buying color want . take guesswork out finishing -0SOSISO Ph 419-797-2208 P0 Box 2480 usky Ohio 44870 6 Modelers U M PChoice - High Quality - Convenient Size st Price Giant Kwik Set Epoxy 16 oz $1395 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add *150 postage Pictorial A-Z Vintage Classic Modd Aeroplane Engines Z vinta en ines Ace Zom over 1000 beautiful photos collated largest independent collections antique engines Available CLAN ENTERPRISES 8-JO Cricket Green Mitcham Surrey England $35 including air post packing insurance DICK DWYER 183 7 Flood Drive San Jose CA 95124- USA nose cockpit /16 balsa Install turtledeck top using hollowed block rolled sheet corresponds turtledeck construction prototype Glue A-in hard balsa stringers shown taper ing /16 thickness tail Make sure use hard balsa bottom area takes quite beating Cover nose cockpit sheeting glass cloth Cut bend Halco landing gear shown Make wheel pants out balsa epoxy onto gear / ply Epoxy throughout Duro plastic steel avallable auto parts hard ware stores have mounted wheel pants way long time no problems fuselage should weigh about 10 oz cockpit 2 oz landing gear Dave Brown wheels should come out 5 oz Muffler needle valve muffler Laser unique still easy con struct manifold small piece Du Bro muffler extension epoxied onto piece -in brass tubing Close up end tubing cut out exhaust hole muffler itself made piece aluminum lawn chair capped both ends stacks made very thin aluminum available hardware storethe type would use duct ing dryer Two pieces wrapped around small X-Acto knife handle ep oxied seam A-in brass tube pres sure tap soldered onto manifold pressure line running over under crankcase manifold muffler connected piece /2-in neoprene tubing needle valve standard ST vari ety cut off slotted Dremel emery disc short piece %2 wire sol dered slot access needle slotted piece A-in brass tubing about 8 long soldered piece music wire through other end brass slips through piece aluminum tubing installed sheeting nose Access 4-40 muffler mounting bolts arranged same fashion en sure alignment remove spraybar venturi bolt engine place A6 aluminum pads drill bits spraybar muffler holes Use fin gers some patience drill through side sheeting finish gluing aluminum tubing Use pencil eraser choke engine Finishing use silkspan-and-nitrate-dope base Super Poxy finishing coats get proper shade red mix three parts orange two parts red Since red has very little covering power prime base coat silver blue three parts blue part black get authentic template Bud Light obtain poster 3-in letters Re duce 5% wings fuse lage reduce height 1% method has cut letters out MonoKote trim seal Super Poxy heavy use always seem peel spots next Laser will masked frisket sprayed Since model almost quarter-scale quarter-scale DGA pilot narrowed shoulders good fit Again Ive seen full-size Bud Light Laser its very small airplane model close generous quarter-scale like brace wires can A2 music wire instead can feed 018 flying wire through attach points back starting point Flying have yet get air planes below 70 oz doesnt seem dampen Lasers flying prowess use 15%-nitro fuel 13 x 6 Top Flite Super M propeller blades thinned down 65-ft lines lead-outs stay pretty far forward rudder very effective small amount offset necessary airplane pulls hard appears fly slowly does because its size Bud Light Laser wasnt created splendid isolation want acknowl edge whove involved First let mention gratitude Ted Fancher help influence over years design goes against some wing power loading ideas think hes little baffled way flies Thanks also go Bob Whitely taking same basic Laser design winning second place 1986 Nats Last least am grateful fellow Clovis Control June 1988 153 #GRATE-SHAPESTM SANDING BLOCKS Long lasting silicon carbide grit aides 10 Long GS 101GS 102G& 103 Combo package #1-GS 101 102 103 $1195 S&H SAVE Six Pack Combo GSa above $2195 S&H Single GS $495 S&H AZ RESIDENTS ADD 50/s TAX products guaranteed ers invited GRATE-SHAPESmi ROUNDS Ask hobby dealer first GS 200 PKG SEND CHECK OR.. MASTER CHARGE MONEY ORDER TO OR VISA ACCEPTFD Sell Rock industries6486 Hwy 179-Suite 108 Sedans AZ 56336 9 long$795 S&H602 284-1806 iI1\ OS104OS 105GS 106 318 & 5/5 900 Vs w1518 450 & 900 Combo package #2-GS 104 105 106 $1195 S&H GRATE-S HAPESmi SQUARES GS 300 PKG 9 long$495 S&H CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 Line Club members have helped design construction engines coaching night Unquestion ably half enjoyment hobby comes friendships camarade rie people share interest en thusiasm hope get much pleasure out building flying Laser have Being competitive Control Line Stunt doing Scale model double fun FF Duration/Murphy Continued page 73 ferred columns promote RC activities types models should no longer clas sified Free Flight true sense term say radio has no place Free Flightfar present number radio-activated model retrieval sys tems commercialty available wide range prices $20 up sophisticated systems top out about $500 Most systems permit case model location thickest cornfields tallest trees turn may totat remedy can satisfactorily retrieve model some consolation using subpar flying sites As long model unaffected type RC control during powered gliding portion official flight would think should matter contestant brought model down blast 12-gauge shotgun pleased him Yes read FAI permitted contestant utilize RC-actuated engine cutoff last summers World Champs com ment whether good bad Remem ber FAI events obviously super-high-tech RC-actuated fuel cutoff just adds long list sophisticated gadgetry contin ues evolve competition program am suppress technology however point time vote no way use such concepts domestic AMA competition supposedly beats its chest support am ateurism entry-level novice competition Therefore opinion long official timer timing flight model should type RC permitted timer walks away thenand should permitted drag Out radios fire arms pet Golden Retriever efforts fa cilitate recapture model Longtime pen pal Lyman Armstrong Yuba City CA swamped about two dozen photographs dissertation recent tics Stockton GMA Gas Model Associa tion Some photos appear issue Ly man joined protest few years ago Rand McNally nominated Yuba City its worst city US Anderson City IN placed tenth RM received much flak over poll think reverted back selling maps af ter Whaddathey knowright Lyman Finishing touches time read winter building projects started last New Years Day should nearing completion might appropriate review possible ap proaches some final steps comple tion new model Lets kick off comment received Joe Wagner Wilmington PA Joe sez refer ring curved-windshield discussion ran February column makes curved windshields out transparent plastic two-liter pop bottles claims material fuel-proof nicely precurved can further reformed compound shape within reason heating hot waterplus fact reliable commercial butyrate sheet go get blue chip recycling another item would otherwise headed city dump Filling little dents gouges depres sions etc balsawood prior doping frame work model receives lots help num ber methods products ageless proced ure adding talcum dope will give good results amount dope limited enough make mixture consistency thick mud However have recently quit using procedure since thick dope seem ingly takes forever dry thoroughly enough permit satisfactory sanding plus mixture will often shrink enough require additional applica tions now get satisfactory results using inex pensive plaster-wall fillers such Franklins Spacklebond DAPs Fastn Final Spackling can found local discount department stores home improvement ar eas find require initial fill compounds shrink crack dry hard fast no timeplus sandable Good stuffi drawback products dry white balsa skin color color-doped models no conse quence cover model thin silk some other transparent coveting ma terial blotches white may undesirable appearance recently mentioned Jerry Fowler during telephone conversation 154 Model Aviation P S Send catalog modelers safety supplies
Edition: Model Aviation - 1988/06
Page Numbers: 66, 67, 68, 69, 152, 153, 154
WITH CHARACTERISTIC enthusiasm Ted Fancher offered write introduc tion article Gid Adkisson Laser t 2reat combination youve followed Nats results last couple years youre likely familiar big red Bud Light Special Laser flown Bob Whitely skin teeth second-place finish 1986 very strong seventh monster winds Lincoln 1987 clearly semiscale Stunter can really fly pattern since Al Rabes magnificent Sea Furys Mustangs has near-to-Scale Stunter competitive Top author winning Bud Light Stunter Bob Whitely beat three national champions 1986 Nats same basic design shown finish 2nd place Above Left Functional exhaust stacks help confine residue bottom fuselage author says prefers Top Flight 13 x 6 props prop different log should kept performance Above Right Gid says despite best efforts fuel has continually seeped during heavy use Conseqently will probably last two-piece airplane 66 Model Aviation highest levels Precision Aerobatics competition Believe ship may best breed date Gids name might little new some predict situation will short-lived guy can fly flew own Bud Light Lincoln inexperiencehe lost Pattern points second flight finals day kept him possibly edging out Mike Rogers prestigious Rookie Year award highest-placing firsttime qualifier Take guy whos whipped Gid Laser Rood As Ted Fancher says Control Line Stunter real aerobatics airplane story came being starts question back 1984 nagging some time kept asking myself todays Stunt planes look like space age works art rather piloted airplanes dont take some examples full-size aerobatic airplanes see can adapt style flying Insistent ques tion though Im true pioneer heart uncertain direction take decision did come easily ever go Super Tigre 46 en gine ST 60 has become well established steady powerful con sistent performer found ST 60 asks proper ring gap seal itll give miles steady running month after contest season ended 1984 nice new engine urge something different big question mark concerning precisely what still mentally wandering around trying find some direction happened stumble upon latest issue Model Airplane News featuring Leo Loudenslagers Laser 200 new Bud Light paint scheme took 10 seconds decide would next project acquired some three-views dug out Ted Fanchers guidelines designing Stunter started smoking batteries calcula tor objective make airplane scalelike possible staying within parameters good Stunt characteris tics project proceeding nicely until diagnosed Hodgkins dis ease spent 1985 flying season recuperating operations radiation treatments finally able finish model et trimmed out just before annualNth~th 1Appt Fresno astonishment able beat three former National Champions pick up pilots choice concourswith out doubt highlight entire mod eling career June 1988 67 muffler made section alumi num tubing lawn chair manifold piece V2-in brass tubing affixed small section Du-Bro muffler extension joints gluedlsealed Plastic Steel landing gear cut down re-bent stock Halco unit held place two 6-32 bolts Bud Light letters stenciled commercially available poster Access needle valve muffler ball-link connectors control hook mounting bolts achieved through alumi- ups over 200 flights logged letters num tubes through side fuselage beginning peel off early version Left The fuselage rudder/fin components point fuselage sides very flimsy finished structure will strong warp resistant Right Wing construction typical D-tube ready-to-cover weight 14 oz its about 2 oz lighter comparable foam wing get accuracy required CL Precision Aerobatics model like wing absolutely must built jig Left The author says used A-justo-jig first time model probably best-aligned fuselage hes ever built Right model number three still its skeletal form cockpit formers will cut down later sit top wing Left Alignment formers should double checked straightedge before installing stringers Structure really complex appears Right point its ready sanding fin rudder stab pinned place glued until after painting Two subsequent versions Bud Light Laser followed incorporating few true-to-scale revisions chang ing basic plan form last presented airplane looks awesome air always draws crowd flight line three have take-apart versions Ia RC have worked well care must taken build tight fits thin film sili cone prevent fuel seepage As level building proficiency required wing tail easy fuselage con struction puts out reach beginners skills Empennage Constructing tail first gives sense projects momen tum Simply build components over plans like make ribs little fat tape piece 220-grit sandpaper workbench sand flush slot control horn does need lined plywood soaking tail wheel mount cyanoacrylate CyA sufficient Total weight em pennage horn should 2/2 oz Wings straightforward proce dure use 1/20 A6 sheeting adhered double-sided type have used Ted Fan chers circular belicrank several years positive control achieves wouldnt consider going back old style machine out Delrin use Sig bushing very thin shim top Dont forget cover center section glass cloth shown building flaps try sticking bottom side workbench doublesided Scotch tape hold down sand shape hearts content before gluing top sheet As flap-to-elevator linkage must detachable bolt-on wings Bend piece thin K&S brass shown solder bolt flap pushrod 2-56 ball link bolted onto tab snap-on por tion attached elevator pushrod after great flying sessions link snaps off firmly did first time Fuselage Heres fun begins con struction techniques become demand ing Lay out longerons sheeting etc build over plans Attach shelv ing nose mark locations nose formers centerlines everything else will become part fuselage Build engine mount module out piece -in-sq maple /2-in sheet balsa 1/ ply laminated cross-grain Re sist temptation use anything heavier Trial fit engine mounts F-i F-2 Continued page 152 68 Model Aviation 332 HASA race AFT28 BALSAH SO BALSASCENT SHEET-STRINGERS SON WITH IYRA SHOOED AREA YAPLYWOODB BALSA A-pCREET - 777 J PBRAMP/ APPHAH CATSCRAP-iT n F-U7YOPPROINY WITS AHAf1 F-IPACICSI F- UYR BALSA COWL BUMP YB EDNA STEETISOHOP OF WINS BA FILLERS FUSELAGETOP VIEWUYRINBERSN CBBSSPIflflCIB PLYWOOD MOONT ABAALUM BRACREY SCALERAB B MLRBPANCA 122 B 8 LB 121K NOERY ATPILOTYR BALSA CMLHASA FIN H RUDOER COWL LIRE MOLDED ARMABLURWED BOLSA UD MOTOR MOUNT ICRNA MAPLE YB ROSA - MM RLRCKYLSTLEANCEYR C CD BALSA T FIL IDA PLY OMOSS BRA NEH IS SB CANOPY YANN CAP TOP AND MOHYRMIICA H-I MAPLE BLODOBALSA BACK IA BALSA SHEET SHELF FAN MOTOR UCLUT AND HAND FOOT OR SB BALSA SiBSANTO AND IYIR BALSASCEETINS -BALSA II--- Y2FL 2SYBDIACRADOACFR CIL ICR BALSABALSASPINNORo aBRACESTACEBCASYARBBIB BASA El-MOYR BARNSCAH AWAY FAN MUANH_____ SGENH PUSTROD CLEAHANENIIYABOLSO _MAPLE __-----r- -~-- NBEET AIMAABTOW BRAFT PASRSBWS --4L_ IYIbiYAROCKS3232 BALSA--H ANYIfCCL7~T B~TI BIRD WITO TRENAD DOUBLER 3CR 01W SHEETSOAR WITH CYDTAILWREEL CA PLyWOODSTRINGERS MORTON STRINGERS TYTO BALSA COWLCROSS STAN USELAGE_SIDE VIEWICR SO ROOD BALSA S HAUALUM1210PLH DOLELEMSSHEET OF S lARD PLYWOORMODEL AVIATION ______LASER REAR COWL FORMER ~IIIILII ROL LINE STUNT MIOBLE FDRMERISOADER AREA ISTYIB TOP B MOTTOM LB ROONT DESIGNED BY GIG ADEISSON IRA YOY MOUBLERSPATS 0C B3B5HTRACING BY JOE DEMARCO ALL BIGHTS BESEBTEB Full-Size Plans Available. See Page 164 YB BALSA WINS122 CENFETING BLOOR TIP PLATELEADOAT 232 PLH CAP LEFTWINGPLAN OR LIRE RLH NEARS-ICR DERIN BELL CT S DO BALSA MEDIAN FIRERALANS YB CENTEBIUB IIDR RABID WIRE LOOWYIONLB MaCBA NBEKT YE121KMACBA SHEET THES BATYRM 6LRCE326 MAPLE OR CENRETIBA RIGHT WING 1232 PLY326 BALSA OR LITE PLY SEAR27 ~ROOT RIB COO BALSAOM BALSA YB CENTETINGI SPEC FICATIONS YB BASIC WIDOV<jAWING AREATOO BA IN STARILIZEB AREASB NO IN AlSO 1216 PLY G IN FRAM CORE SHEETED WIYB 010 OR 220 BALSAFLAP TO ELEGIRTYB MYB MAPLE WEIGHT- TARE APARTDR-PS HZ BALNA MANORDIB3ANKWEIGHT BRE PIECERH TB RZ YB 122 BALNA SHEET BALSA STABILIZER 120 BALSABTTB NBEET SAL SR - LAMINATE i --CRANK ORN ELEV O&R ICR BALSA BRENT L N 3216 DOWEL 121K AL DOME IYMBALSA WING NOTE RIGHT WING ISANON LOCAFIRN SHOOTER THAN TTE LEFF WING SHEET S OF S MODEL AVIATION LASER CONTROL LINE STUNT DESIGNED BY DID ADISISSON TRACING BY JOE DEMARCO ALL RIBHTB RESERVED June 1988 69 CL Navy Carrier/Perry Continued page 149 significant assumption amount drag caused lines compared drag model itself am aware definitive study evaluate drag three-line control system typical Carrier model model significant variable equation wide range designs makes difficult make definitive assumptions Studies performed some years ago indicate line drag threeline system probably accounts over two-thirds total drag models number probably higher may hard some believe substantiated earlier studies analysis based model perform ance Navy Carrier rules mandate use three-line control systems Profile event discussion limited Class II models Class rules require three 015-in-dia lines two 020-in lines 026-in-dia line class II sizes 018 024 033 re spectively quick look cross-sectional area lines gives idea drag differences Including Reynolds number effects caused changing sizes results numbers approximate 15% reduction line drag going two lines 45% reduction going single line line drag reduced 15% line drag ac counts two-thirds total drag given speed total drag reduction would 10% 10% reduction drag doesnt produce 10% increase speed however Drag changes square speed still isnt answer un less model powered constant-thrust jet engine Because models piston engines essentially constant-power machines perform ance increases related cube speed POWER x VELOCITY bottom line change two lines three will result increase top speed 2% 4% depending model results increase score two points high-drag model capable about 320 points three-line control system about eight points average model capable 380-point flight real advantage comes using monoline system Monoline has potential crease scores 20 points assuming low-speed performance can maintained Unfor tunately fortunately depending point view throttle control monoline system READY TO FLY Call 1-800-45-TO FLY *LOW PRICES *EASY TO ASSEMBLE *NO BUILDING *NO PAINTING Piper Cherokee-40 Piper Cherokee-25 FokkerElll-40 Fancy Stick-25 Cessna 172-20 engine includedl $12999 $10899 $11999 $6999 $10899 Eh SUNSHINE HOBBY 17721 South Western Avenue Gardens California 90247 presents some significant technological hurdles low-speed flight likely slow reliable normal three-line control worth Youll have make own de cision question Non-Scale models Ive received some letters about comments made some months ago about Yak-9 P-Si profile kits suita bility Carrier competition letters have made want discuss issue again Yak-9 prototype doesnt qualify carrierbased aircraft nothing rules prohibits its use Carrier competition Yak9 becomes good Bell Airabonita little mo dification way would recom mend using prototype restrictions made actual carrier takeoffs landings designated carrier aircraft apply bonus points section rules Any model meeting basic specifica tions event can used competition re gardless whether represents qualify ing prototype aircraftit may receive bonus points however Although 100-point bonus Class Class II too significant ignore models have flown effectively Pro file Carrier 10 scale bonus points Laser/Atkisson Continued page 68 F-3 make sure fit together properly Tack glue appropriate scraps onto front engine mounts drill mounting holes install blind nuts dont use engine offset Build jig slip F-2 F-3 place temporarily glue crosspieces maintaining alignment go should become intimate right triangle during phase Raise front fu selage let F-3 fit fully place ensure alignment glue F-i F-2 F-3 place Glue wing mounting blocks A-in stab mounting Align wing drill mounting holes Bolt engine place using incidence meter shim needed make sure engine wing stab zero settings Install flap elevator pushrod leave place Remove wing slide C-i through C-4 place Check alignment straightedge install stringers nose cockpit rear fuselage Sheet ROCKET PLANE xP-1 Only Goes up like rocket Glides down like plane Ready Fly a Wood Crafted THE FLORLO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 152 Model Aviation Show Colors BECAUSE WERE PROUD OF THEM take lot pride building model So guess Color paint youre choosing finish take time put paint chip can Perfect Paint color youre buying color want . take guesswork out finishing -0SOSISO Ph 419-797-2208 P0 Box 2480 usky Ohio 44870 6 Modelers U M PChoice - High Quality - Convenient Size st Price Giant Kwik Set Epoxy 16 oz $1395 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add *150 postage Pictorial A-Z Vintage Classic Modd Aeroplane Engines Z vinta en ines Ace Zom over 1000 beautiful photos collated largest independent collections antique engines Available CLAN ENTERPRISES 8-JO Cricket Green Mitcham Surrey England $35 including air post packing insurance DICK DWYER 183 7 Flood Drive San Jose CA 95124- USA nose cockpit /16 balsa Install turtledeck top using hollowed block rolled sheet corresponds turtledeck construction prototype Glue A-in hard balsa stringers shown taper ing /16 thickness tail Make sure use hard balsa bottom area takes quite beating Cover nose cockpit sheeting glass cloth Cut bend Halco landing gear shown Make wheel pants out balsa epoxy onto gear / ply Epoxy throughout Duro plastic steel avallable auto parts hard ware stores have mounted wheel pants way long time no problems fuselage should weigh about 10 oz cockpit 2 oz landing gear Dave Brown wheels should come out 5 oz Muffler needle valve muffler Laser unique still easy con struct manifold small piece Du Bro muffler extension epoxied onto piece -in brass tubing Close up end tubing cut out exhaust hole muffler itself made piece aluminum lawn chair capped both ends stacks made very thin aluminum available hardware storethe type would use duct ing dryer Two pieces wrapped around small X-Acto knife handle ep oxied seam A-in brass tube pres sure tap soldered onto manifold pressure line running over under crankcase manifold muffler connected piece /2-in neoprene tubing needle valve standard ST vari ety cut off slotted Dremel emery disc short piece %2 wire sol dered slot access needle slotted piece A-in brass tubing about 8 long soldered piece music wire through other end brass slips through piece aluminum tubing installed sheeting nose Access 4-40 muffler mounting bolts arranged same fashion en sure alignment remove spraybar venturi bolt engine place A6 aluminum pads drill bits spraybar muffler holes Use fin gers some patience drill through side sheeting finish gluing aluminum tubing Use pencil eraser choke engine Finishing use silkspan-and-nitrate-dope base Super Poxy finishing coats get proper shade red mix three parts orange two parts red Since red has very little covering power prime base coat silver blue three parts blue part black get authentic template Bud Light obtain poster 3-in letters Re duce 5% wings fuse lage reduce height 1% method has cut letters out MonoKote trim seal Super Poxy heavy use always seem peel spots next Laser will masked frisket sprayed Since model almost quarter-scale quarter-scale DGA pilot narrowed shoulders good fit Again Ive seen full-size Bud Light Laser its very small airplane model close generous quarter-scale like brace wires can A2 music wire instead can feed 018 flying wire through attach points back starting point Flying have yet get air planes below 70 oz doesnt seem dampen Lasers flying prowess use 15%-nitro fuel 13 x 6 Top Flite Super M propeller blades thinned down 65-ft lines lead-outs stay pretty far forward rudder very effective small amount offset necessary airplane pulls hard appears fly slowly does because its size Bud Light Laser wasnt created splendid isolation want acknowl edge whove involved First let mention gratitude Ted Fancher help influence over years design goes against some wing power loading ideas think hes little baffled way flies Thanks also go Bob Whitely taking same basic Laser design winning second place 1986 Nats Last least am grateful fellow Clovis Control June 1988 153 #GRATE-SHAPESTM SANDING BLOCKS Long lasting silicon carbide grit aides 10 Long GS 101GS 102G& 103 Combo package #1-GS 101 102 103 $1195 S&H SAVE Six Pack Combo GSa above $2195 S&H Single GS $495 S&H AZ RESIDENTS ADD 50/s TAX products guaranteed ers invited GRATE-SHAPESmi ROUNDS Ask hobby dealer first GS 200 PKG SEND CHECK OR.. MASTER CHARGE MONEY ORDER TO OR VISA ACCEPTFD Sell Rock industries6486 Hwy 179-Suite 108 Sedans AZ 56336 9 long$795 S&H602 284-1806 iI1\ OS104OS 105GS 106 318 & 5/5 900 Vs w1518 450 & 900 Combo package #2-GS 104 105 106 $1195 S&H GRATE-S HAPESmi SQUARES GS 300 PKG 9 long$495 S&H CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 Line Club members have helped design construction engines coaching night Unquestion ably half enjoyment hobby comes friendships camarade rie people share interest en thusiasm hope get much pleasure out building flying Laser have Being competitive Control Line Stunt doing Scale model double fun FF Duration/Murphy Continued page 73 ferred columns promote RC activities types models should no longer clas sified Free Flight true sense term say radio has no place Free Flightfar present number radio-activated model retrieval sys tems commercialty available wide range prices $20 up sophisticated systems top out about $500 Most systems permit case model location thickest cornfields tallest trees turn may totat remedy can satisfactorily retrieve model some consolation using subpar flying sites As long model unaffected type RC control during powered gliding portion official flight would think should matter contestant brought model down blast 12-gauge shotgun pleased him Yes read FAI permitted contestant utilize RC-actuated engine cutoff last summers World Champs com ment whether good bad Remem ber FAI events obviously super-high-tech RC-actuated fuel cutoff just adds long list sophisticated gadgetry contin ues evolve competition program am suppress technology however point time vote no way use such concepts domestic AMA competition supposedly beats its chest support am ateurism entry-level novice competition Therefore opinion long official timer timing flight model should type RC permitted timer walks away thenand should permitted drag Out radios fire arms pet Golden Retriever efforts fa cilitate recapture model Longtime pen pal Lyman Armstrong Yuba City CA swamped about two dozen photographs dissertation recent tics Stockton GMA Gas Model Associa tion Some photos appear issue Ly man joined protest few years ago Rand McNally nominated Yuba City its worst city US Anderson City IN placed tenth RM received much flak over poll think reverted back selling maps af ter Whaddathey knowright Lyman Finishing touches time read winter building projects started last New Years Day should nearing completion might appropriate review possible ap proaches some final steps comple tion new model Lets kick off comment received Joe Wagner Wilmington PA Joe sez refer ring curved-windshield discussion ran February column makes curved windshields out transparent plastic two-liter pop bottles claims material fuel-proof nicely precurved can further reformed compound shape within reason heating hot waterplus fact reliable commercial butyrate sheet go get blue chip recycling another item would otherwise headed city dump Filling little dents gouges depres sions etc balsawood prior doping frame work model receives lots help num ber methods products ageless proced ure adding talcum dope will give good results amount dope limited enough make mixture consistency thick mud However have recently quit using procedure since thick dope seem ingly takes forever dry thoroughly enough permit satisfactory sanding plus mixture will often shrink enough require additional applica tions now get satisfactory results using inex pensive plaster-wall fillers such Franklins Spacklebond DAPs Fastn Final Spackling can found local discount department stores home improvement ar eas find require initial fill compounds shrink crack dry hard fast no timeplus sandable Good stuffi drawback products dry white balsa skin color color-doped models no conse quence cover model thin silk some other transparent coveting ma terial blotches white may undesirable appearance recently mentioned Jerry Fowler during telephone conversation 154 Model Aviation P S Send catalog modelers safety supplies
Edition: Model Aviation - 1988/06
Page Numbers: 66, 67, 68, 69, 152, 153, 154
WITH CHARACTERISTIC enthusiasm Ted Fancher offered write introduc tion article Gid Adkisson Laser t 2reat combination youve followed Nats results last couple years youre likely familiar big red Bud Light Special Laser flown Bob Whitely skin teeth second-place finish 1986 very strong seventh monster winds Lincoln 1987 clearly semiscale Stunter can really fly pattern since Al Rabes magnificent Sea Furys Mustangs has near-to-Scale Stunter competitive Top author winning Bud Light Stunter Bob Whitely beat three national champions 1986 Nats same basic design shown finish 2nd place Above Left Functional exhaust stacks help confine residue bottom fuselage author says prefers Top Flight 13 x 6 props prop different log should kept performance Above Right Gid says despite best efforts fuel has continually seeped during heavy use Conseqently will probably last two-piece airplane 66 Model Aviation highest levels Precision Aerobatics competition Believe ship may best breed date Gids name might little new some predict situation will short-lived guy can fly flew own Bud Light Lincoln inexperiencehe lost Pattern points second flight finals day kept him possibly edging out Mike Rogers prestigious Rookie Year award highest-placing firsttime qualifier Take guy whos whipped Gid Laser Rood As Ted Fancher says Control Line Stunter real aerobatics airplane story came being starts question back 1984 nagging some time kept asking myself todays Stunt planes look like space age works art rather piloted airplanes dont take some examples full-size aerobatic airplanes see can adapt style flying Insistent ques tion though Im true pioneer heart uncertain direction take decision did come easily ever go Super Tigre 46 en gine ST 60 has become well established steady powerful con sistent performer found ST 60 asks proper ring gap seal itll give miles steady running month after contest season ended 1984 nice new engine urge something different big question mark concerning precisely what still mentally wandering around trying find some direction happened stumble upon latest issue Model Airplane News featuring Leo Loudenslagers Laser 200 new Bud Light paint scheme took 10 seconds decide would next project acquired some three-views dug out Ted Fanchers guidelines designing Stunter started smoking batteries calcula tor objective make airplane scalelike possible staying within parameters good Stunt characteris tics project proceeding nicely until diagnosed Hodgkins dis ease spent 1985 flying season recuperating operations radiation treatments finally able finish model et trimmed out just before annualNth~th 1Appt Fresno astonishment able beat three former National Champions pick up pilots choice concourswith out doubt highlight entire mod eling career June 1988 67 muffler made section alumi num tubing lawn chair manifold piece V2-in brass tubing affixed small section Du-Bro muffler extension joints gluedlsealed Plastic Steel landing gear cut down re-bent stock Halco unit held place two 6-32 bolts Bud Light letters stenciled commercially available poster Access needle valve muffler ball-link connectors control hook mounting bolts achieved through alumi- ups over 200 flights logged letters num tubes through side fuselage beginning peel off early version Left The fuselage rudder/fin components point fuselage sides very flimsy finished structure will strong warp resistant Right Wing construction typical D-tube ready-to-cover weight 14 oz its about 2 oz lighter comparable foam wing get accuracy required CL Precision Aerobatics model like wing absolutely must built jig Left The author says used A-justo-jig first time model probably best-aligned fuselage hes ever built Right model number three still its skeletal form cockpit formers will cut down later sit top wing Left Alignment formers should double checked straightedge before installing stringers Structure really complex appears Right point its ready sanding fin rudder stab pinned place glued until after painting Two subsequent versions Bud Light Laser followed incorporating few true-to-scale revisions chang ing basic plan form last presented airplane looks awesome air always draws crowd flight line three have take-apart versions Ia RC have worked well care must taken build tight fits thin film sili cone prevent fuel seepage As level building proficiency required wing tail easy fuselage con struction puts out reach beginners skills Empennage Constructing tail first gives sense projects momen tum Simply build components over plans like make ribs little fat tape piece 220-grit sandpaper workbench sand flush slot control horn does need lined plywood soaking tail wheel mount cyanoacrylate CyA sufficient Total weight em pennage horn should 2/2 oz Wings straightforward proce dure use 1/20 A6 sheeting adhered double-sided type have used Ted Fan chers circular belicrank several years positive control achieves wouldnt consider going back old style machine out Delrin use Sig bushing very thin shim top Dont forget cover center section glass cloth shown building flaps try sticking bottom side workbench doublesided Scotch tape hold down sand shape hearts content before gluing top sheet As flap-to-elevator linkage must detachable bolt-on wings Bend piece thin K&S brass shown solder bolt flap pushrod 2-56 ball link bolted onto tab snap-on por tion attached elevator pushrod after great flying sessions link snaps off firmly did first time Fuselage Heres fun begins con struction techniques become demand ing Lay out longerons sheeting etc build over plans Attach shelv ing nose mark locations nose formers centerlines everything else will become part fuselage Build engine mount module out piece -in-sq maple /2-in sheet balsa 1/ ply laminated cross-grain Re sist temptation use anything heavier Trial fit engine mounts F-i F-2 Continued page 152 68 Model Aviation 332 HASA race AFT28 BALSAH SO BALSASCENT SHEET-STRINGERS SON WITH IYRA SHOOED AREA YAPLYWOODB BALSA A-pCREET - 777 J PBRAMP/ APPHAH CATSCRAP-iT n F-U7YOPPROINY WITS AHAf1 F-IPACICSI F- UYR BALSA COWL BUMP YB EDNA STEETISOHOP OF WINS BA FILLERS FUSELAGETOP VIEWUYRINBERSN CBBSSPIflflCIB PLYWOOD MOONT ABAALUM BRACREY SCALERAB B MLRBPANCA 122 B 8 LB 121K NOERY ATPILOTYR BALSA CMLHASA FIN H RUDOER COWL LIRE MOLDED ARMABLURWED BOLSA UD MOTOR MOUNT ICRNA MAPLE YB ROSA - MM RLRCKYLSTLEANCEYR C CD BALSA T FIL IDA PLY OMOSS BRA NEH IS SB CANOPY YANN CAP TOP AND MOHYRMIICA H-I MAPLE BLODOBALSA BACK IA BALSA SHEET SHELF FAN MOTOR UCLUT AND HAND FOOT OR SB BALSA SiBSANTO AND IYIR BALSASCEETINS -BALSA II--- Y2FL 2SYBDIACRADOACFR CIL ICR BALSABALSASPINNORo aBRACESTACEBCASYARBBIB BASA El-MOYR BARNSCAH AWAY FAN MUANH_____ SGENH PUSTROD CLEAHANENIIYABOLSO _MAPLE __-----r- -~-- NBEET AIMAABTOW BRAFT PASRSBWS --4L_ IYIbiYAROCKS3232 BALSA--H ANYIfCCL7~T B~TI BIRD WITO TRENAD DOUBLER 3CR 01W SHEETSOAR WITH CYDTAILWREEL CA PLyWOODSTRINGERS MORTON STRINGERS TYTO BALSA COWLCROSS STAN USELAGE_SIDE VIEWICR SO ROOD BALSA S HAUALUM1210PLH DOLELEMSSHEET OF S lARD PLYWOORMODEL AVIATION ______LASER REAR COWL FORMER ~IIIILII ROL LINE STUNT MIOBLE FDRMERISOADER AREA ISTYIB TOP B MOTTOM LB ROONT DESIGNED BY GIG ADEISSON IRA YOY MOUBLERSPATS 0C B3B5HTRACING BY JOE DEMARCO ALL BIGHTS BESEBTEB Full-Size Plans Available. See Page 164 YB BALSA WINS122 CENFETING BLOOR TIP PLATELEADOAT 232 PLH CAP LEFTWINGPLAN OR LIRE RLH NEARS-ICR DERIN BELL CT S DO BALSA MEDIAN FIRERALANS YB CENTEBIUB IIDR RABID WIRE LOOWYIONLB MaCBA NBEKT YE121KMACBA SHEET THES BATYRM 6LRCE326 MAPLE OR CENRETIBA RIGHT WING 1232 PLY326 BALSA OR LITE PLY SEAR27 ~ROOT RIB COO BALSAOM BALSA YB CENTETINGI SPEC FICATIONS YB BASIC WIDOV<jAWING AREATOO BA IN STARILIZEB AREASB NO IN AlSO 1216 PLY G IN FRAM CORE SHEETED WIYB 010 OR 220 BALSAFLAP TO ELEGIRTYB MYB MAPLE WEIGHT- TARE APARTDR-PS HZ BALNA MANORDIB3ANKWEIGHT BRE PIECERH TB RZ YB 122 BALNA SHEET BALSA STABILIZER 120 BALSABTTB NBEET SAL SR - LAMINATE i --CRANK ORN ELEV O&R ICR BALSA BRENT L N 3216 DOWEL 121K AL DOME IYMBALSA WING NOTE RIGHT WING ISANON LOCAFIRN SHOOTER THAN TTE LEFF WING SHEET S OF S MODEL AVIATION LASER CONTROL LINE STUNT DESIGNED BY DID ADISISSON TRACING BY JOE DEMARCO ALL RIBHTB RESERVED June 1988 69 CL Navy Carrier/Perry Continued page 149 significant assumption amount drag caused lines compared drag model itself am aware definitive study evaluate drag three-line control system typical Carrier model model significant variable equation wide range designs makes difficult make definitive assumptions Studies performed some years ago indicate line drag threeline system probably accounts over two-thirds total drag models number probably higher may hard some believe substantiated earlier studies analysis based model perform ance Navy Carrier rules mandate use three-line control systems Profile event discussion limited Class II models Class rules require three 015-in-dia lines two 020-in lines 026-in-dia line class II sizes 018 024 033 re spectively quick look cross-sectional area lines gives idea drag differences Including Reynolds number effects caused changing sizes results numbers approximate 15% reduction line drag going two lines 45% reduction going single line line drag reduced 15% line drag ac counts two-thirds total drag given speed total drag reduction would 10% 10% reduction drag doesnt produce 10% increase speed however Drag changes square speed still isnt answer un less model powered constant-thrust jet engine Because models piston engines essentially constant-power machines perform ance increases related cube speed POWER x VELOCITY bottom line change two lines three will result increase top speed 2% 4% depending model results increase score two points high-drag model capable about 320 points three-line control system about eight points average model capable 380-point flight real advantage comes using monoline system Monoline has potential crease scores 20 points assuming low-speed performance can maintained Unfor tunately fortunately depending point view throttle control monoline system READY TO FLY Call 1-800-45-TO FLY *LOW PRICES *EASY TO ASSEMBLE *NO BUILDING *NO PAINTING Piper Cherokee-40 Piper Cherokee-25 FokkerElll-40 Fancy Stick-25 Cessna 172-20 engine includedl $12999 $10899 $11999 $6999 $10899 Eh SUNSHINE HOBBY 17721 South Western Avenue Gardens California 90247 presents some significant technological hurdles low-speed flight likely slow reliable normal three-line control worth Youll have make own de cision question Non-Scale models Ive received some letters about comments made some months ago about Yak-9 P-Si profile kits suita bility Carrier competition letters have made want discuss issue again Yak-9 prototype doesnt qualify carrierbased aircraft nothing rules prohibits its use Carrier competition Yak9 becomes good Bell Airabonita little mo dification way would recom mend using prototype restrictions made actual carrier takeoffs landings designated carrier aircraft apply bonus points section rules Any model meeting basic specifica tions event can used competition re gardless whether represents qualify ing prototype aircraftit may receive bonus points however Although 100-point bonus Class Class II too significant ignore models have flown effectively Pro file Carrier 10 scale bonus points Laser/Atkisson Continued page 68 F-3 make sure fit together properly Tack glue appropriate scraps onto front engine mounts drill mounting holes install blind nuts dont use engine offset Build jig slip F-2 F-3 place temporarily glue crosspieces maintaining alignment go should become intimate right triangle during phase Raise front fu selage let F-3 fit fully place ensure alignment glue F-i F-2 F-3 place Glue wing mounting blocks A-in stab mounting Align wing drill mounting holes Bolt engine place using incidence meter shim needed make sure engine wing stab zero settings Install flap elevator pushrod leave place Remove wing slide C-i through C-4 place Check alignment straightedge install stringers nose cockpit rear fuselage Sheet ROCKET PLANE xP-1 Only Goes up like rocket Glides down like plane Ready Fly a Wood Crafted THE FLORLO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 152 Model Aviation Show Colors BECAUSE WERE PROUD OF THEM take lot pride building model So guess Color paint youre choosing finish take time put paint chip can Perfect Paint color youre buying color want . take guesswork out finishing -0SOSISO Ph 419-797-2208 P0 Box 2480 usky Ohio 44870 6 Modelers U M PChoice - High Quality - Convenient Size st Price Giant Kwik Set Epoxy 16 oz $1395 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add *150 postage Pictorial A-Z Vintage Classic Modd Aeroplane Engines Z vinta en ines Ace Zom over 1000 beautiful photos collated largest independent collections antique engines Available CLAN ENTERPRISES 8-JO Cricket Green Mitcham Surrey England $35 including air post packing insurance DICK DWYER 183 7 Flood Drive San Jose CA 95124- USA nose cockpit /16 balsa Install turtledeck top using hollowed block rolled sheet corresponds turtledeck construction prototype Glue A-in hard balsa stringers shown taper ing /16 thickness tail Make sure use hard balsa bottom area takes quite beating Cover nose cockpit sheeting glass cloth Cut bend Halco landing gear shown Make wheel pants out balsa epoxy onto gear / ply Epoxy throughout Duro plastic steel avallable auto parts hard ware stores have mounted wheel pants way long time no problems fuselage should weigh about 10 oz cockpit 2 oz landing gear Dave Brown wheels should come out 5 oz Muffler needle valve muffler Laser unique still easy con struct manifold small piece Du Bro muffler extension epoxied onto piece -in brass tubing Close up end tubing cut out exhaust hole muffler itself made piece aluminum lawn chair capped both ends stacks made very thin aluminum available hardware storethe type would use duct ing dryer Two pieces wrapped around small X-Acto knife handle ep oxied seam A-in brass tube pres sure tap soldered onto manifold pressure line running over under crankcase manifold muffler connected piece /2-in neoprene tubing needle valve standard ST vari ety cut off slotted Dremel emery disc short piece %2 wire sol dered slot access needle slotted piece A-in brass tubing about 8 long soldered piece music wire through other end brass slips through piece aluminum tubing installed sheeting nose Access 4-40 muffler mounting bolts arranged same fashion en sure alignment remove spraybar venturi bolt engine place A6 aluminum pads drill bits spraybar muffler holes Use fin gers some patience drill through side sheeting finish gluing aluminum tubing Use pencil eraser choke engine Finishing use silkspan-and-nitrate-dope base Super Poxy finishing coats get proper shade red mix three parts orange two parts red Since red has very little covering power prime base coat silver blue three parts blue part black get authentic template Bud Light obtain poster 3-in letters Re duce 5% wings fuse lage reduce height 1% method has cut letters out MonoKote trim seal Super Poxy heavy use always seem peel spots next Laser will masked frisket sprayed Since model almost quarter-scale quarter-scale DGA pilot narrowed shoulders good fit Again Ive seen full-size Bud Light Laser its very small airplane model close generous quarter-scale like brace wires can A2 music wire instead can feed 018 flying wire through attach points back starting point Flying have yet get air planes below 70 oz doesnt seem dampen Lasers flying prowess use 15%-nitro fuel 13 x 6 Top Flite Super M propeller blades thinned down 65-ft lines lead-outs stay pretty far forward rudder very effective small amount offset necessary airplane pulls hard appears fly slowly does because its size Bud Light Laser wasnt created splendid isolation want acknowl edge whove involved First let mention gratitude Ted Fancher help influence over years design goes against some wing power loading ideas think hes little baffled way flies Thanks also go Bob Whitely taking same basic Laser design winning second place 1986 Nats Last least am grateful fellow Clovis Control June 1988 153 #GRATE-SHAPESTM SANDING BLOCKS Long lasting silicon carbide grit aides 10 Long GS 101GS 102G& 103 Combo package #1-GS 101 102 103 $1195 S&H SAVE Six Pack Combo GSa above $2195 S&H Single GS $495 S&H AZ RESIDENTS ADD 50/s TAX products guaranteed ers invited GRATE-SHAPESmi ROUNDS Ask hobby dealer first GS 200 PKG SEND CHECK OR.. MASTER CHARGE MONEY ORDER TO OR VISA ACCEPTFD Sell Rock industries6486 Hwy 179-Suite 108 Sedans AZ 56336 9 long$795 S&H602 284-1806 iI1\ OS104OS 105GS 106 318 & 5/5 900 Vs w1518 450 & 900 Combo package #2-GS 104 105 106 $1195 S&H GRATE-S HAPESmi SQUARES GS 300 PKG 9 long$495 S&H CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 Line Club members have helped design construction engines coaching night Unquestion ably half enjoyment hobby comes friendships camarade rie people share interest en thusiasm hope get much pleasure out building flying Laser have Being competitive Control Line Stunt doing Scale model double fun FF Duration/Murphy Continued page 73 ferred columns promote RC activities types models should no longer clas sified Free Flight true sense term say radio has no place Free Flightfar present number radio-activated model retrieval sys tems commercialty available wide range prices $20 up sophisticated systems top out about $500 Most systems permit case model location thickest cornfields tallest trees turn may totat remedy can satisfactorily retrieve model some consolation using subpar flying sites As long model unaffected type RC control during powered gliding portion official flight would think should matter contestant brought model down blast 12-gauge shotgun pleased him Yes read FAI permitted contestant utilize RC-actuated engine cutoff last summers World Champs com ment whether good bad Remem ber FAI events obviously super-high-tech RC-actuated fuel cutoff just adds long list sophisticated gadgetry contin ues evolve competition program am suppress technology however point time vote no way use such concepts domestic AMA competition supposedly beats its chest support am ateurism entry-level novice competition Therefore opinion long official timer timing flight model should type RC permitted timer walks away thenand should permitted drag Out radios fire arms pet Golden Retriever efforts fa cilitate recapture model Longtime pen pal Lyman Armstrong Yuba City CA swamped about two dozen photographs dissertation recent tics Stockton GMA Gas Model Associa tion Some photos appear issue Ly man joined protest few years ago Rand McNally nominated Yuba City its worst city US Anderson City IN placed tenth RM received much flak over poll think reverted back selling maps af ter Whaddathey knowright Lyman Finishing touches time read winter building projects started last New Years Day should nearing completion might appropriate review possible ap proaches some final steps comple tion new model Lets kick off comment received Joe Wagner Wilmington PA Joe sez refer ring curved-windshield discussion ran February column makes curved windshields out transparent plastic two-liter pop bottles claims material fuel-proof nicely precurved can further reformed compound shape within reason heating hot waterplus fact reliable commercial butyrate sheet go get blue chip recycling another item would otherwise headed city dump Filling little dents gouges depres sions etc balsawood prior doping frame work model receives lots help num ber methods products ageless proced ure adding talcum dope will give good results amount dope limited enough make mixture consistency thick mud However have recently quit using procedure since thick dope seem ingly takes forever dry thoroughly enough permit satisfactory sanding plus mixture will often shrink enough require additional applica tions now get satisfactory results using inex pensive plaster-wall fillers such Franklins Spacklebond DAPs Fastn Final Spackling can found local discount department stores home improvement ar eas find require initial fill compounds shrink crack dry hard fast no timeplus sandable Good stuffi drawback products dry white balsa skin color color-doped models no conse quence cover model thin silk some other transparent coveting ma terial blotches white may undesirable appearance recently mentioned Jerry Fowler during telephone conversation 154 Model Aviation P S Send catalog modelers safety supplies
Edition: Model Aviation - 1988/06
Page Numbers: 66, 67, 68, 69, 152, 153, 154
WITH CHARACTERISTIC enthusiasm Ted Fancher offered write introduc tion article Gid Adkisson Laser t 2reat combination youve followed Nats results last couple years youre likely familiar big red Bud Light Special Laser flown Bob Whitely skin teeth second-place finish 1986 very strong seventh monster winds Lincoln 1987 clearly semiscale Stunter can really fly pattern since Al Rabes magnificent Sea Furys Mustangs has near-to-Scale Stunter competitive Top author winning Bud Light Stunter Bob Whitely beat three national champions 1986 Nats same basic design shown finish 2nd place Above Left Functional exhaust stacks help confine residue bottom fuselage author says prefers Top Flight 13 x 6 props prop different log should kept performance Above Right Gid says despite best efforts fuel has continually seeped during heavy use Conseqently will probably last two-piece airplane 66 Model Aviation highest levels Precision Aerobatics competition Believe ship may best breed date Gids name might little new some predict situation will short-lived guy can fly flew own Bud Light Lincoln inexperiencehe lost Pattern points second flight finals day kept him possibly edging out Mike Rogers prestigious Rookie Year award highest-placing firsttime qualifier Take guy whos whipped Gid Laser Rood As Ted Fancher says Control Line Stunter real aerobatics airplane story came being starts question back 1984 nagging some time kept asking myself todays Stunt planes look like space age works art rather piloted airplanes dont take some examples full-size aerobatic airplanes see can adapt style flying Insistent ques tion though Im true pioneer heart uncertain direction take decision did come easily ever go Super Tigre 46 en gine ST 60 has become well established steady powerful con sistent performer found ST 60 asks proper ring gap seal itll give miles steady running month after contest season ended 1984 nice new engine urge something different big question mark concerning precisely what still mentally wandering around trying find some direction happened stumble upon latest issue Model Airplane News featuring Leo Loudenslagers Laser 200 new Bud Light paint scheme took 10 seconds decide would next project acquired some three-views dug out Ted Fanchers guidelines designing Stunter started smoking batteries calcula tor objective make airplane scalelike possible staying within parameters good Stunt characteris tics project proceeding nicely until diagnosed Hodgkins dis ease spent 1985 flying season recuperating operations radiation treatments finally able finish model et trimmed out just before annualNth~th 1Appt Fresno astonishment able beat three former National Champions pick up pilots choice concourswith out doubt highlight entire mod eling career June 1988 67 muffler made section alumi num tubing lawn chair manifold piece V2-in brass tubing affixed small section Du-Bro muffler extension joints gluedlsealed Plastic Steel landing gear cut down re-bent stock Halco unit held place two 6-32 bolts Bud Light letters stenciled commercially available poster Access needle valve muffler ball-link connectors control hook mounting bolts achieved through alumi- ups over 200 flights logged letters num tubes through side fuselage beginning peel off early version Left The fuselage rudder/fin components point fuselage sides very flimsy finished structure will strong warp resistant Right Wing construction typical D-tube ready-to-cover weight 14 oz its about 2 oz lighter comparable foam wing get accuracy required CL Precision Aerobatics model like wing absolutely must built jig Left The author says used A-justo-jig first time model probably best-aligned fuselage hes ever built Right model number three still its skeletal form cockpit formers will cut down later sit top wing Left Alignment formers should double checked straightedge before installing stringers Structure really complex appears Right point its ready sanding fin rudder stab pinned place glued until after painting Two subsequent versions Bud Light Laser followed incorporating few true-to-scale revisions chang ing basic plan form last presented airplane looks awesome air always draws crowd flight line three have take-apart versions Ia RC have worked well care must taken build tight fits thin film sili cone prevent fuel seepage As level building proficiency required wing tail easy fuselage con struction puts out reach beginners skills Empennage Constructing tail first gives sense projects momen tum Simply build components over plans like make ribs little fat tape piece 220-grit sandpaper workbench sand flush slot control horn does need lined plywood soaking tail wheel mount cyanoacrylate CyA sufficient Total weight em pennage horn should 2/2 oz Wings straightforward proce dure use 1/20 A6 sheeting adhered double-sided type have used Ted Fan chers circular belicrank several years positive control achieves wouldnt consider going back old style machine out Delrin use Sig bushing very thin shim top Dont forget cover center section glass cloth shown building flaps try sticking bottom side workbench doublesided Scotch tape hold down sand shape hearts content before gluing top sheet As flap-to-elevator linkage must detachable bolt-on wings Bend piece thin K&S brass shown solder bolt flap pushrod 2-56 ball link bolted onto tab snap-on por tion attached elevator pushrod after great flying sessions link snaps off firmly did first time Fuselage Heres fun begins con struction techniques become demand ing Lay out longerons sheeting etc build over plans Attach shelv ing nose mark locations nose formers centerlines everything else will become part fuselage Build engine mount module out piece -in-sq maple /2-in sheet balsa 1/ ply laminated cross-grain Re sist temptation use anything heavier Trial fit engine mounts F-i F-2 Continued page 152 68 Model Aviation 332 HASA race AFT28 BALSAH SO BALSASCENT SHEET-STRINGERS SON WITH IYRA SHOOED AREA YAPLYWOODB BALSA A-pCREET - 777 J PBRAMP/ APPHAH CATSCRAP-iT n F-U7YOPPROINY WITS AHAf1 F-IPACICSI F- UYR BALSA COWL BUMP YB EDNA STEETISOHOP OF WINS BA FILLERS FUSELAGETOP VIEWUYRINBERSN CBBSSPIflflCIB PLYWOOD MOONT ABAALUM BRACREY SCALERAB B MLRBPANCA 122 B 8 LB 121K NOERY ATPILOTYR BALSA CMLHASA FIN H RUDOER COWL LIRE MOLDED ARMABLURWED BOLSA UD MOTOR MOUNT ICRNA MAPLE YB ROSA - MM RLRCKYLSTLEANCEYR C CD BALSA T FIL IDA PLY OMOSS BRA NEH IS SB CANOPY YANN CAP TOP AND MOHYRMIICA H-I MAPLE BLODOBALSA BACK IA BALSA SHEET SHELF FAN MOTOR UCLUT AND HAND FOOT OR SB BALSA SiBSANTO AND IYIR BALSASCEETINS -BALSA II--- Y2FL 2SYBDIACRADOACFR CIL ICR BALSABALSASPINNORo aBRACESTACEBCASYARBBIB BASA El-MOYR BARNSCAH AWAY FAN MUANH_____ SGENH PUSTROD CLEAHANENIIYABOLSO _MAPLE __-----r- -~-- NBEET AIMAABTOW BRAFT PASRSBWS --4L_ IYIbiYAROCKS3232 BALSA--H ANYIfCCL7~T B~TI BIRD WITO TRENAD DOUBLER 3CR 01W SHEETSOAR WITH CYDTAILWREEL CA PLyWOODSTRINGERS MORTON STRINGERS TYTO BALSA COWLCROSS STAN USELAGE_SIDE VIEWICR SO ROOD BALSA S HAUALUM1210PLH DOLELEMSSHEET OF S lARD PLYWOORMODEL AVIATION ______LASER REAR COWL FORMER ~IIIILII ROL LINE STUNT MIOBLE FDRMERISOADER AREA ISTYIB TOP B MOTTOM LB ROONT DESIGNED BY GIG ADEISSON IRA YOY MOUBLERSPATS 0C B3B5HTRACING BY JOE DEMARCO ALL BIGHTS BESEBTEB Full-Size Plans Available. See Page 164 YB BALSA WINS122 CENFETING BLOOR TIP PLATELEADOAT 232 PLH CAP LEFTWINGPLAN OR LIRE RLH NEARS-ICR DERIN BELL CT S DO BALSA MEDIAN FIRERALANS YB CENTEBIUB IIDR RABID WIRE LOOWYIONLB MaCBA NBEKT YE121KMACBA SHEET THES BATYRM 6LRCE326 MAPLE OR CENRETIBA RIGHT WING 1232 PLY326 BALSA OR LITE PLY SEAR27 ~ROOT RIB COO BALSAOM BALSA YB CENTETINGI SPEC FICATIONS YB BASIC WIDOV<jAWING AREATOO BA IN STARILIZEB AREASB NO IN AlSO 1216 PLY G IN FRAM CORE SHEETED WIYB 010 OR 220 BALSAFLAP TO ELEGIRTYB MYB MAPLE WEIGHT- TARE APARTDR-PS HZ BALNA MANORDIB3ANKWEIGHT BRE PIECERH TB RZ YB 122 BALNA SHEET BALSA STABILIZER 120 BALSABTTB NBEET SAL SR - LAMINATE i --CRANK ORN ELEV O&R ICR BALSA BRENT L N 3216 DOWEL 121K AL DOME IYMBALSA WING NOTE RIGHT WING ISANON LOCAFIRN SHOOTER THAN TTE LEFF WING SHEET S OF S MODEL AVIATION LASER CONTROL LINE STUNT DESIGNED BY DID ADISISSON TRACING BY JOE DEMARCO ALL RIBHTB RESERVED June 1988 69 CL Navy Carrier/Perry Continued page 149 significant assumption amount drag caused lines compared drag model itself am aware definitive study evaluate drag three-line control system typical Carrier model model significant variable equation wide range designs makes difficult make definitive assumptions Studies performed some years ago indicate line drag threeline system probably accounts over two-thirds total drag models number probably higher may hard some believe substantiated earlier studies analysis based model perform ance Navy Carrier rules mandate use three-line control systems Profile event discussion limited Class II models Class rules require three 015-in-dia lines two 020-in lines 026-in-dia line class II sizes 018 024 033 re spectively quick look cross-sectional area lines gives idea drag differences Including Reynolds number effects caused changing sizes results numbers approximate 15% reduction line drag going two lines 45% reduction going single line line drag reduced 15% line drag ac counts two-thirds total drag given speed total drag reduction would 10% 10% reduction drag doesnt produce 10% increase speed however Drag changes square speed still isnt answer un less model powered constant-thrust jet engine Because models piston engines essentially constant-power machines perform ance increases related cube speed POWER x VELOCITY bottom line change two lines three will result increase top speed 2% 4% depending model results increase score two points high-drag model capable about 320 points three-line control system about eight points average model capable 380-point flight real advantage comes using monoline system Monoline has potential crease scores 20 points assuming low-speed performance can maintained Unfor tunately fortunately depending point view throttle control monoline system READY TO FLY Call 1-800-45-TO FLY *LOW PRICES *EASY TO ASSEMBLE *NO BUILDING *NO PAINTING Piper Cherokee-40 Piper Cherokee-25 FokkerElll-40 Fancy Stick-25 Cessna 172-20 engine includedl $12999 $10899 $11999 $6999 $10899 Eh SUNSHINE HOBBY 17721 South Western Avenue Gardens California 90247 presents some significant technological hurdles low-speed flight likely slow reliable normal three-line control worth Youll have make own de cision question Non-Scale models Ive received some letters about comments made some months ago about Yak-9 P-Si profile kits suita bility Carrier competition letters have made want discuss issue again Yak-9 prototype doesnt qualify carrierbased aircraft nothing rules prohibits its use Carrier competition Yak9 becomes good Bell Airabonita little mo dification way would recom mend using prototype restrictions made actual carrier takeoffs landings designated carrier aircraft apply bonus points section rules Any model meeting basic specifica tions event can used competition re gardless whether represents qualify ing prototype aircraftit may receive bonus points however Although 100-point bonus Class Class II too significant ignore models have flown effectively Pro file Carrier 10 scale bonus points Laser/Atkisson Continued page 68 F-3 make sure fit together properly Tack glue appropriate scraps onto front engine mounts drill mounting holes install blind nuts dont use engine offset Build jig slip F-2 F-3 place temporarily glue crosspieces maintaining alignment go should become intimate right triangle during phase Raise front fu selage let F-3 fit fully place ensure alignment glue F-i F-2 F-3 place Glue wing mounting blocks A-in stab mounting Align wing drill mounting holes Bolt engine place using incidence meter shim needed make sure engine wing stab zero settings Install flap elevator pushrod leave place Remove wing slide C-i through C-4 place Check alignment straightedge install stringers nose cockpit rear fuselage Sheet ROCKET PLANE xP-1 Only Goes up like rocket Glides down like plane Ready Fly a Wood Crafted THE FLORLO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 152 Model Aviation Show Colors BECAUSE WERE PROUD OF THEM take lot pride building model So guess Color paint youre choosing finish take time put paint chip can Perfect Paint color youre buying color want . take guesswork out finishing -0SOSISO Ph 419-797-2208 P0 Box 2480 usky Ohio 44870 6 Modelers U M PChoice - High Quality - Convenient Size st Price Giant Kwik Set Epoxy 16 oz $1395 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add *150 postage Pictorial A-Z Vintage Classic Modd Aeroplane Engines Z vinta en ines Ace Zom over 1000 beautiful photos collated largest independent collections antique engines Available CLAN ENTERPRISES 8-JO Cricket Green Mitcham Surrey England $35 including air post packing insurance DICK DWYER 183 7 Flood Drive San Jose CA 95124- USA nose cockpit /16 balsa Install turtledeck top using hollowed block rolled sheet corresponds turtledeck construction prototype Glue A-in hard balsa stringers shown taper ing /16 thickness tail Make sure use hard balsa bottom area takes quite beating Cover nose cockpit sheeting glass cloth Cut bend Halco landing gear shown Make wheel pants out balsa epoxy onto gear / ply Epoxy throughout Duro plastic steel avallable auto parts hard ware stores have mounted wheel pants way long time no problems fuselage should weigh about 10 oz cockpit 2 oz landing gear Dave Brown wheels should come out 5 oz Muffler needle valve muffler Laser unique still easy con struct manifold small piece Du Bro muffler extension epoxied onto piece -in brass tubing Close up end tubing cut out exhaust hole muffler itself made piece aluminum lawn chair capped both ends stacks made very thin aluminum available hardware storethe type would use duct ing dryer Two pieces wrapped around small X-Acto knife handle ep oxied seam A-in brass tube pres sure tap soldered onto manifold pressure line running over under crankcase manifold muffler connected piece /2-in neoprene tubing needle valve standard ST vari ety cut off slotted Dremel emery disc short piece %2 wire sol dered slot access needle slotted piece A-in brass tubing about 8 long soldered piece music wire through other end brass slips through piece aluminum tubing installed sheeting nose Access 4-40 muffler mounting bolts arranged same fashion en sure alignment remove spraybar venturi bolt engine place A6 aluminum pads drill bits spraybar muffler holes Use fin gers some patience drill through side sheeting finish gluing aluminum tubing Use pencil eraser choke engine Finishing use silkspan-and-nitrate-dope base Super Poxy finishing coats get proper shade red mix three parts orange two parts red Since red has very little covering power prime base coat silver blue three parts blue part black get authentic template Bud Light obtain poster 3-in letters Re duce 5% wings fuse lage reduce height 1% method has cut letters out MonoKote trim seal Super Poxy heavy use always seem peel spots next Laser will masked frisket sprayed Since model almost quarter-scale quarter-scale DGA pilot narrowed shoulders good fit Again Ive seen full-size Bud Light Laser its very small airplane model close generous quarter-scale like brace wires can A2 music wire instead can feed 018 flying wire through attach points back starting point Flying have yet get air planes below 70 oz doesnt seem dampen Lasers flying prowess use 15%-nitro fuel 13 x 6 Top Flite Super M propeller blades thinned down 65-ft lines lead-outs stay pretty far forward rudder very effective small amount offset necessary airplane pulls hard appears fly slowly does because its size Bud Light Laser wasnt created splendid isolation want acknowl edge whove involved First let mention gratitude Ted Fancher help influence over years design goes against some wing power loading ideas think hes little baffled way flies Thanks also go Bob Whitely taking same basic Laser design winning second place 1986 Nats Last least am grateful fellow Clovis Control June 1988 153 #GRATE-SHAPESTM SANDING BLOCKS Long lasting silicon carbide grit aides 10 Long GS 101GS 102G& 103 Combo package #1-GS 101 102 103 $1195 S&H SAVE Six Pack Combo GSa above $2195 S&H Single GS $495 S&H AZ RESIDENTS ADD 50/s TAX products guaranteed ers invited GRATE-SHAPESmi ROUNDS Ask hobby dealer first GS 200 PKG SEND CHECK OR.. MASTER CHARGE MONEY ORDER TO OR VISA ACCEPTFD Sell Rock industries6486 Hwy 179-Suite 108 Sedans AZ 56336 9 long$795 S&H602 284-1806 iI1\ OS104OS 105GS 106 318 & 5/5 900 Vs w1518 450 & 900 Combo package #2-GS 104 105 106 $1195 S&H GRATE-S HAPESmi SQUARES GS 300 PKG 9 long$495 S&H CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 Line Club members have helped design construction engines coaching night Unquestion ably half enjoyment hobby comes friendships camarade rie people share interest en thusiasm hope get much pleasure out building flying Laser have Being competitive Control Line Stunt doing Scale model double fun FF Duration/Murphy Continued page 73 ferred columns promote RC activities types models should no longer clas sified Free Flight true sense term say radio has no place Free Flightfar present number radio-activated model retrieval sys tems commercialty available wide range prices $20 up sophisticated systems top out about $500 Most systems permit case model location thickest cornfields tallest trees turn may totat remedy can satisfactorily retrieve model some consolation using subpar flying sites As long model unaffected type RC control during powered gliding portion official flight would think should matter contestant brought model down blast 12-gauge shotgun pleased him Yes read FAI permitted contestant utilize RC-actuated engine cutoff last summers World Champs com ment whether good bad Remem ber FAI events obviously super-high-tech RC-actuated fuel cutoff just adds long list sophisticated gadgetry contin ues evolve competition program am suppress technology however point time vote no way use such concepts domestic AMA competition supposedly beats its chest support am ateurism entry-level novice competition Therefore opinion long official timer timing flight model should type RC permitted timer walks away thenand should permitted drag Out radios fire arms pet Golden Retriever efforts fa cilitate recapture model Longtime pen pal Lyman Armstrong Yuba City CA swamped about two dozen photographs dissertation recent tics Stockton GMA Gas Model Associa tion Some photos appear issue Ly man joined protest few years ago Rand McNally nominated Yuba City its worst city US Anderson City IN placed tenth RM received much flak over poll think reverted back selling maps af ter Whaddathey knowright Lyman Finishing touches time read winter building projects started last New Years Day should nearing completion might appropriate review possible ap proaches some final steps comple tion new model Lets kick off comment received Joe Wagner Wilmington PA Joe sez refer ring curved-windshield discussion ran February column makes curved windshields out transparent plastic two-liter pop bottles claims material fuel-proof nicely precurved can further reformed compound shape within reason heating hot waterplus fact reliable commercial butyrate sheet go get blue chip recycling another item would otherwise headed city dump Filling little dents gouges depres sions etc balsawood prior doping frame work model receives lots help num ber methods products ageless proced ure adding talcum dope will give good results amount dope limited enough make mixture consistency thick mud However have recently quit using procedure since thick dope seem ingly takes forever dry thoroughly enough permit satisfactory sanding plus mixture will often shrink enough require additional applica tions now get satisfactory results using inex pensive plaster-wall fillers such Franklins Spacklebond DAPs Fastn Final Spackling can found local discount department stores home improvement ar eas find require initial fill compounds shrink crack dry hard fast no timeplus sandable Good stuffi drawback products dry white balsa skin color color-doped models no conse quence cover model thin silk some other transparent coveting ma terial blotches white may undesirable appearance recently mentioned Jerry Fowler during telephone conversation 154 Model Aviation P S Send catalog modelers safety supplies
Edition: Model Aviation - 1988/06
Page Numbers: 66, 67, 68, 69, 152, 153, 154
WITH CHARACTERISTIC enthusiasm Ted Fancher offered write introduc tion article Gid Adkisson Laser t 2reat combination youve followed Nats results last couple years youre likely familiar big red Bud Light Special Laser flown Bob Whitely skin teeth second-place finish 1986 very strong seventh monster winds Lincoln 1987 clearly semiscale Stunter can really fly pattern since Al Rabes magnificent Sea Furys Mustangs has near-to-Scale Stunter competitive Top author winning Bud Light Stunter Bob Whitely beat three national champions 1986 Nats same basic design shown finish 2nd place Above Left Functional exhaust stacks help confine residue bottom fuselage author says prefers Top Flight 13 x 6 props prop different log should kept performance Above Right Gid says despite best efforts fuel has continually seeped during heavy use Conseqently will probably last two-piece airplane 66 Model Aviation highest levels Precision Aerobatics competition Believe ship may best breed date Gids name might little new some predict situation will short-lived guy can fly flew own Bud Light Lincoln inexperiencehe lost Pattern points second flight finals day kept him possibly edging out Mike Rogers prestigious Rookie Year award highest-placing firsttime qualifier Take guy whos whipped Gid Laser Rood As Ted Fancher says Control Line Stunter real aerobatics airplane story came being starts question back 1984 nagging some time kept asking myself todays Stunt planes look like space age works art rather piloted airplanes dont take some examples full-size aerobatic airplanes see can adapt style flying Insistent ques tion though Im true pioneer heart uncertain direction take decision did come easily ever go Super Tigre 46 en gine ST 60 has become well established steady powerful con sistent performer found ST 60 asks proper ring gap seal itll give miles steady running month after contest season ended 1984 nice new engine urge something different big question mark concerning precisely what still mentally wandering around trying find some direction happened stumble upon latest issue Model Airplane News featuring Leo Loudenslagers Laser 200 new Bud Light paint scheme took 10 seconds decide would next project acquired some three-views dug out Ted Fanchers guidelines designing Stunter started smoking batteries calcula tor objective make airplane scalelike possible staying within parameters good Stunt characteris tics project proceeding nicely until diagnosed Hodgkins dis ease spent 1985 flying season recuperating operations radiation treatments finally able finish model et trimmed out just before annualNth~th 1Appt Fresno astonishment able beat three former National Champions pick up pilots choice concourswith out doubt highlight entire mod eling career June 1988 67 muffler made section alumi num tubing lawn chair manifold piece V2-in brass tubing affixed small section Du-Bro muffler extension joints gluedlsealed Plastic Steel landing gear cut down re-bent stock Halco unit held place two 6-32 bolts Bud Light letters stenciled commercially available poster Access needle valve muffler ball-link connectors control hook mounting bolts achieved through alumi- ups over 200 flights logged letters num tubes through side fuselage beginning peel off early version Left The fuselage rudder/fin components point fuselage sides very flimsy finished structure will strong warp resistant Right Wing construction typical D-tube ready-to-cover weight 14 oz its about 2 oz lighter comparable foam wing get accuracy required CL Precision Aerobatics model like wing absolutely must built jig Left The author says used A-justo-jig first time model probably best-aligned fuselage hes ever built Right model number three still its skeletal form cockpit formers will cut down later sit top wing Left Alignment formers should double checked straightedge before installing stringers Structure really complex appears Right point its ready sanding fin rudder stab pinned place glued until after painting Two subsequent versions Bud Light Laser followed incorporating few true-to-scale revisions chang ing basic plan form last presented airplane looks awesome air always draws crowd flight line three have take-apart versions Ia RC have worked well care must taken build tight fits thin film sili cone prevent fuel seepage As level building proficiency required wing tail easy fuselage con struction puts out reach beginners skills Empennage Constructing tail first gives sense projects momen tum Simply build components over plans like make ribs little fat tape piece 220-grit sandpaper workbench sand flush slot control horn does need lined plywood soaking tail wheel mount cyanoacrylate CyA sufficient Total weight em pennage horn should 2/2 oz Wings straightforward proce dure use 1/20 A6 sheeting adhered double-sided type have used Ted Fan chers circular belicrank several years positive control achieves wouldnt consider going back old style machine out Delrin use Sig bushing very thin shim top Dont forget cover center section glass cloth shown building flaps try sticking bottom side workbench doublesided Scotch tape hold down sand shape hearts content before gluing top sheet As flap-to-elevator linkage must detachable bolt-on wings Bend piece thin K&S brass shown solder bolt flap pushrod 2-56 ball link bolted onto tab snap-on por tion attached elevator pushrod after great flying sessions link snaps off firmly did first time Fuselage Heres fun begins con struction techniques become demand ing Lay out longerons sheeting etc build over plans Attach shelv ing nose mark locations nose formers centerlines everything else will become part fuselage Build engine mount module out piece -in-sq maple /2-in sheet balsa 1/ ply laminated cross-grain Re sist temptation use anything heavier Trial fit engine mounts F-i F-2 Continued page 152 68 Model Aviation 332 HASA race AFT28 BALSAH SO BALSASCENT SHEET-STRINGERS SON WITH IYRA SHOOED AREA YAPLYWOODB BALSA A-pCREET - 777 J PBRAMP/ APPHAH CATSCRAP-iT n F-U7YOPPROINY WITS AHAf1 F-IPACICSI F- UYR BALSA COWL BUMP YB EDNA STEETISOHOP OF WINS BA FILLERS FUSELAGETOP VIEWUYRINBERSN CBBSSPIflflCIB PLYWOOD MOONT ABAALUM BRACREY SCALERAB B MLRBPANCA 122 B 8 LB 121K NOERY ATPILOTYR BALSA CMLHASA FIN H RUDOER COWL LIRE MOLDED ARMABLURWED BOLSA UD MOTOR MOUNT ICRNA MAPLE YB ROSA - MM RLRCKYLSTLEANCEYR C CD BALSA T FIL IDA PLY OMOSS BRA NEH IS SB CANOPY YANN CAP TOP AND MOHYRMIICA H-I MAPLE BLODOBALSA BACK IA BALSA SHEET SHELF FAN MOTOR UCLUT AND HAND FOOT OR SB BALSA SiBSANTO AND IYIR BALSASCEETINS -BALSA II--- Y2FL 2SYBDIACRADOACFR CIL ICR BALSABALSASPINNORo aBRACESTACEBCASYARBBIB BASA El-MOYR BARNSCAH AWAY FAN MUANH_____ SGENH PUSTROD CLEAHANENIIYABOLSO _MAPLE __-----r- -~-- NBEET AIMAABTOW BRAFT PASRSBWS --4L_ IYIbiYAROCKS3232 BALSA--H ANYIfCCL7~T B~TI BIRD WITO TRENAD DOUBLER 3CR 01W SHEETSOAR WITH CYDTAILWREEL CA PLyWOODSTRINGERS MORTON STRINGERS TYTO BALSA COWLCROSS STAN USELAGE_SIDE VIEWICR SO ROOD BALSA S HAUALUM1210PLH DOLELEMSSHEET OF S lARD PLYWOORMODEL AVIATION ______LASER REAR COWL FORMER ~IIIILII ROL LINE STUNT MIOBLE FDRMERISOADER AREA ISTYIB TOP B MOTTOM LB ROONT DESIGNED BY GIG ADEISSON IRA YOY MOUBLERSPATS 0C B3B5HTRACING BY JOE DEMARCO ALL BIGHTS BESEBTEB Full-Size Plans Available. See Page 164 YB BALSA WINS122 CENFETING BLOOR TIP PLATELEADOAT 232 PLH CAP LEFTWINGPLAN OR LIRE RLH NEARS-ICR DERIN BELL CT S DO BALSA MEDIAN FIRERALANS YB CENTEBIUB IIDR RABID WIRE LOOWYIONLB MaCBA NBEKT YE121KMACBA SHEET THES BATYRM 6LRCE326 MAPLE OR CENRETIBA RIGHT WING 1232 PLY326 BALSA OR LITE PLY SEAR27 ~ROOT RIB COO BALSAOM BALSA YB CENTETINGI SPEC FICATIONS YB BASIC WIDOV<jAWING AREATOO BA IN STARILIZEB AREASB NO IN AlSO 1216 PLY G IN FRAM CORE SHEETED WIYB 010 OR 220 BALSAFLAP TO ELEGIRTYB MYB MAPLE WEIGHT- TARE APARTDR-PS HZ BALNA MANORDIB3ANKWEIGHT BRE PIECERH TB RZ YB 122 BALNA SHEET BALSA STABILIZER 120 BALSABTTB NBEET SAL SR - LAMINATE i --CRANK ORN ELEV O&R ICR BALSA BRENT L N 3216 DOWEL 121K AL DOME IYMBALSA WING NOTE RIGHT WING ISANON LOCAFIRN SHOOTER THAN TTE LEFF WING SHEET S OF S MODEL AVIATION LASER CONTROL LINE STUNT DESIGNED BY DID ADISISSON TRACING BY JOE DEMARCO ALL RIBHTB RESERVED June 1988 69 CL Navy Carrier/Perry Continued page 149 significant assumption amount drag caused lines compared drag model itself am aware definitive study evaluate drag three-line control system typical Carrier model model significant variable equation wide range designs makes difficult make definitive assumptions Studies performed some years ago indicate line drag threeline system probably accounts over two-thirds total drag models number probably higher may hard some believe substantiated earlier studies analysis based model perform ance Navy Carrier rules mandate use three-line control systems Profile event discussion limited Class II models Class rules require three 015-in-dia lines two 020-in lines 026-in-dia line class II sizes 018 024 033 re spectively quick look cross-sectional area lines gives idea drag differences Including Reynolds number effects caused changing sizes results numbers approximate 15% reduction line drag going two lines 45% reduction going single line line drag reduced 15% line drag ac counts two-thirds total drag given speed total drag reduction would 10% 10% reduction drag doesnt produce 10% increase speed however Drag changes square speed still isnt answer un less model powered constant-thrust jet engine Because models piston engines essentially constant-power machines perform ance increases related cube speed POWER x VELOCITY bottom line change two lines three will result increase top speed 2% 4% depending model results increase score two points high-drag model capable about 320 points three-line control system about eight points average model capable 380-point flight real advantage comes using monoline system Monoline has potential crease scores 20 points assuming low-speed performance can maintained Unfor tunately fortunately depending point view throttle control monoline system READY TO FLY Call 1-800-45-TO FLY *LOW PRICES *EASY TO ASSEMBLE *NO BUILDING *NO PAINTING Piper Cherokee-40 Piper Cherokee-25 FokkerElll-40 Fancy Stick-25 Cessna 172-20 engine includedl $12999 $10899 $11999 $6999 $10899 Eh SUNSHINE HOBBY 17721 South Western Avenue Gardens California 90247 presents some significant technological hurdles low-speed flight likely slow reliable normal three-line control worth Youll have make own de cision question Non-Scale models Ive received some letters about comments made some months ago about Yak-9 P-Si profile kits suita bility Carrier competition letters have made want discuss issue again Yak-9 prototype doesnt qualify carrierbased aircraft nothing rules prohibits its use Carrier competition Yak9 becomes good Bell Airabonita little mo dification way would recom mend using prototype restrictions made actual carrier takeoffs landings designated carrier aircraft apply bonus points section rules Any model meeting basic specifica tions event can used competition re gardless whether represents qualify ing prototype aircraftit may receive bonus points however Although 100-point bonus Class Class II too significant ignore models have flown effectively Pro file Carrier 10 scale bonus points Laser/Atkisson Continued page 68 F-3 make sure fit together properly Tack glue appropriate scraps onto front engine mounts drill mounting holes install blind nuts dont use engine offset Build jig slip F-2 F-3 place temporarily glue crosspieces maintaining alignment go should become intimate right triangle during phase Raise front fu selage let F-3 fit fully place ensure alignment glue F-i F-2 F-3 place Glue wing mounting blocks A-in stab mounting Align wing drill mounting holes Bolt engine place using incidence meter shim needed make sure engine wing stab zero settings Install flap elevator pushrod leave place Remove wing slide C-i through C-4 place Check alignment straightedge install stringers nose cockpit rear fuselage Sheet ROCKET PLANE xP-1 Only Goes up like rocket Glides down like plane Ready Fly a Wood Crafted THE FLORLO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 152 Model Aviation Show Colors BECAUSE WERE PROUD OF THEM take lot pride building model So guess Color paint youre choosing finish take time put paint chip can Perfect Paint color youre buying color want . take guesswork out finishing -0SOSISO Ph 419-797-2208 P0 Box 2480 usky Ohio 44870 6 Modelers U M PChoice - High Quality - Convenient Size st Price Giant Kwik Set Epoxy 16 oz $1395 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 dealer call 513-385-7398 order direct add *150 postage Pictorial A-Z Vintage Classic Modd Aeroplane Engines Z vinta en ines Ace Zom over 1000 beautiful photos collated largest independent collections antique engines Available CLAN ENTERPRISES 8-JO Cricket Green Mitcham Surrey England $35 including air post packing insurance DICK DWYER 183 7 Flood Drive San Jose CA 95124- USA nose cockpit /16 balsa Install turtledeck top using hollowed block rolled sheet corresponds turtledeck construction prototype Glue A-in hard balsa stringers shown taper ing /16 thickness tail Make sure use hard balsa bottom area takes quite beating Cover nose cockpit sheeting glass cloth Cut bend Halco landing gear shown Make wheel pants out balsa epoxy onto gear / ply Epoxy throughout Duro plastic steel avallable auto parts hard ware stores have mounted wheel pants way long time no problems fuselage should weigh about 10 oz cockpit 2 oz landing gear Dave Brown wheels should come out 5 oz Muffler needle valve muffler Laser unique still easy con struct manifold small piece Du Bro muffler extension epoxied onto piece -in brass tubing Close up end tubing cut out exhaust hole muffler itself made piece aluminum lawn chair capped both ends stacks made very thin aluminum available hardware storethe type would use duct ing dryer Two pieces wrapped around small X-Acto knife handle ep oxied seam A-in brass tube pres sure tap soldered onto manifold pressure line running over under crankcase manifold muffler connected piece /2-in neoprene tubing needle valve standard ST vari ety cut off slotted Dremel emery disc short piece %2 wire sol dered slot access needle slotted piece A-in brass tubing about 8 long soldered piece music wire through other end brass slips through piece aluminum tubing installed sheeting nose Access 4-40 muffler mounting bolts arranged same fashion en sure alignment remove spraybar venturi bolt engine place A6 aluminum pads drill bits spraybar muffler holes Use fin gers some patience drill through side sheeting finish gluing aluminum tubing Use pencil eraser choke engine Finishing use silkspan-and-nitrate-dope base Super Poxy finishing coats get proper shade red mix three parts orange two parts red Since red has very little covering power prime base coat silver blue three parts blue part black get authentic template Bud Light obtain poster 3-in letters Re duce 5% wings fuse lage reduce height 1% method has cut letters out MonoKote trim seal Super Poxy heavy use always seem peel spots next Laser will masked frisket sprayed Since model almost quarter-scale quarter-scale DGA pilot narrowed shoulders good fit Again Ive seen full-size Bud Light Laser its very small airplane model close generous quarter-scale like brace wires can A2 music wire instead can feed 018 flying wire through attach points back starting point Flying have yet get air planes below 70 oz doesnt seem dampen Lasers flying prowess use 15%-nitro fuel 13 x 6 Top Flite Super M propeller blades thinned down 65-ft lines lead-outs stay pretty far forward rudder very effective small amount offset necessary airplane pulls hard appears fly slowly does because its size Bud Light Laser wasnt created splendid isolation want acknowl edge whove involved First let mention gratitude Ted Fancher help influence over years design goes against some wing power loading ideas think hes little baffled way flies Thanks also go Bob Whitely taking same basic Laser design winning second place 1986 Nats Last least am grateful fellow Clovis Control June 1988 153 #GRATE-SHAPESTM SANDING BLOCKS Long lasting silicon carbide grit aides 10 Long GS 101GS 102G& 103 Combo package #1-GS 101 102 103 $1195 S&H SAVE Six Pack Combo GSa above $2195 S&H Single GS $495 S&H AZ RESIDENTS ADD 50/s TAX products guaranteed ers invited GRATE-SHAPESmi ROUNDS Ask hobby dealer first GS 200 PKG SEND CHECK OR.. MASTER CHARGE MONEY ORDER TO OR VISA ACCEPTFD Sell Rock industries6486 Hwy 179-Suite 108 Sedans AZ 56336 9 long$795 S&H602 284-1806 iI1\ OS104OS 105GS 106 318 & 5/5 900 Vs w1518 450 & 900 Combo package #2-GS 104 105 106 $1195 S&H GRATE-S HAPESmi SQUARES GS 300 PKG 9 long$495 S&H CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 Line Club members have helped design construction engines coaching night Unquestion ably half enjoyment hobby comes friendships camarade rie people share interest en thusiasm hope get much pleasure out building flying Laser have Being competitive Control Line Stunt doing Scale model double fun FF Duration/Murphy Continued page 73 ferred columns promote RC activities types models should no longer clas sified Free Flight true sense term say radio has no place Free Flightfar present number radio-activated model retrieval sys tems commercialty available wide range prices $20 up sophisticated systems top out about $500 Most systems permit case model location thickest cornfields tallest trees turn may totat remedy can satisfactorily retrieve model some consolation using subpar flying sites As long model unaffected type RC control during powered gliding portion official flight would think should matter contestant brought model down blast 12-gauge shotgun pleased him Yes read FAI permitted contestant utilize RC-actuated engine cutoff last summers World Champs com ment whether good bad Remem ber FAI events obviously super-high-tech RC-actuated fuel cutoff just adds long list sophisticated gadgetry contin ues evolve competition program am suppress technology however point time vote no way use such concepts domestic AMA competition supposedly beats its chest support am ateurism entry-level novice competition Therefore opinion long official timer timing flight model should type RC permitted timer walks away thenand should permitted drag Out radios fire arms pet Golden Retriever efforts fa cilitate recapture model Longtime pen pal Lyman Armstrong Yuba City CA swamped about two dozen photographs dissertation recent tics Stockton GMA Gas Model Associa tion Some photos appear issue Ly man joined protest few years ago Rand McNally nominated Yuba City its worst city US Anderson City IN placed tenth RM received much flak over poll think reverted back selling maps af ter Whaddathey knowright Lyman Finishing touches time read winter building projects started last New Years Day should nearing completion might appropriate review possible ap proaches some final steps comple tion new model Lets kick off comment received Joe Wagner Wilmington PA Joe sez refer ring curved-windshield discussion ran February column makes curved windshields out transparent plastic two-liter pop bottles claims material fuel-proof nicely precurved can further reformed compound shape within reason heating hot waterplus fact reliable commercial butyrate sheet go get blue chip recycling another item would otherwise headed city dump Filling little dents gouges depres sions etc balsawood prior doping frame work model receives lots help num ber methods products ageless proced ure adding talcum dope will give good results amount dope limited enough make mixture consistency thick mud However have recently quit using procedure since thick dope seem ingly takes forever dry thoroughly enough permit satisfactory sanding plus mixture will often shrink enough require additional applica tions now get satisfactory results using inex pensive plaster-wall fillers such Franklins Spacklebond DAPs Fastn Final Spackling can found local discount department stores home improvement ar eas find require initial fill compounds shrink crack dry hard fast no timeplus sandable Good stuffi drawback products dry white balsa skin color color-doped models no conse quence cover model thin silk some other transparent coveting ma terial blotches white may undesirable appearance recently mentioned Jerry Fowler during telephone conversation 154 Model Aviation P S Send catalog modelers safety supplies