NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation
Edition: Model Aviation - 1989/02
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 145, 146, 148
NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation
Edition: Model Aviation - 1989/02
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 145, 146, 148
NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation
Edition: Model Aviation - 1989/02
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 145, 146, 148
NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation
Edition: Model Aviation - 1989/02
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 145, 146, 148
NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation
Edition: Model Aviation - 1989/02
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 145, 146, 148
NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation
Edition: Model Aviation - 1989/02
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 145, 146, 148
NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation
Edition: Model Aviation - 1989/02
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 145, 146, 148
NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation
Edition: Model Aviation - 1989/02
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 145, 146, 148
NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation
Edition: Model Aviation - 1989/02
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 145, 146, 148
NO OCR TEXT NO OCR TEXT Simple striping adds much detail rudder pushrod exits cleanly just above stab stall speed primary trainer yet can fly like aerobatic trainer Protobype requires no interplane cabane struts support wings interchangeable An unexpected bonus models way flying rudder produces nearly pure yaw al no noticeable roll coupling char acteristic makes plane great knifeedge flight axial rolls slip practice Wing panels Begin cutting out 32 wing ribs stage identical NACA 0015 airfoil Additional slots ribs center section spar brace should cut later recommended rib section shown plans used template cut two lA-in aluminum templates drilled holes could used later alignment wing jig placed %2-in balsa rib strips between rib strips bolted together finish shaped belt sander Notches spars leading edge cut fine-toothed razor saw following procedure must done four timesonce wing panel Re member make two right two left pa nels recommended wing jig such A-Justo-Jig Great Planes ver sion used ensure wing built straight procedure outlined ever explains build wing out jig Secure plan sheet work surface both flat soft enough push pins cover waxed paper Pin 14-in-sq balsa bottom spar plans Place ribs spar above plans 26 Model Aviation Protobype shows off its docile nanoiing slowly descends onto asphalt run way Champaign Country RC Club field Alrtronics Spectra SP7P radio Enys 80 four-stroke engine provide excellent combination control features power really put Protobype through its paces Fults nose gear assists precise ground control Its very forgiving not-so-perfect landing happen make inc hatch furnishes easy access fuel tank current version has hatch extending up back firewall Install pilot canopy last avoid damaging Left aluminum main gear located directly behind bottom wing Center Three nylon hold-down bolts wing give ample strength Right long fiberglass cowl T&D Fiberglass Specialties text has part number address makes nice sleek front end I J4 3RLR %2 4iT flL - BL U 7 ruruPi1HgyI Cliff Daley Left Two right two left wing panels constructea over tne plans Using jig simplities alignment gives confidence know ing wing panels will free warps Right As seen four wing panels trimmed ready joined center Left Install center section bracing wing hold-down fillers prior sheeting Right Glue down back edge leading edge sheet ing first glue dry wet sheeting ammonia water apply glue rib tops press sheeting down place align may want place spacer under rear front ribs keep aligned Place top spar rib slots glue both top bottom spar place using Hot Stuff thin cyanoacrylate CyA ad hesive Hold %-in-sq leading edge place glue individual rib making sure ribs remain aligned plans leading edge stays straight similar method glue x A-in trailing edge four wing panels completed trim center sections two wing panels join proper angle found cutting wing fine-toothed ra zor saw along centerline works great Align right left panel over plans epoxy together center joint Align position A-in-sq hard wood spar cut slots four ribs center wing assembly shown plans Glue spar place both top bottom Note center brace will used servo mount should check appropriate fit servo wing prior cutting Cut shape leading edge filler wing hold-down bolts step will pre vent hold-down bolts crushing leading edge sheeting Cut /16 x 2-in balsa leading edge sheeting shape glue edge wing Wet balsa little ammonia curve down over ribs Butt join glue balsa center like manner cut glue /16 X 1-in balsa trailing edge sheeting Cut glue wing webbing shown plans Finish sheeting center section wing Mark location servo area can cut out later Sand trailing edge taper % matching contour ribs trailing edge sheeting Cut glue cap strips top bot 28 Model Aviation Left Small hardwood mounting blocks used keep aileron servos bottoming out inside wing Above Use Scotch 77 spray tack balsa sides fuselage drawing together cut ting both sides once can ensure duplicate fuselage sides GA SO OABOOASOO SHAH OGOHES RIB SECTIONHORIZONTAL STABILrZER MAKE 32- 3/32 BALSAI/4 BALSA 00000 ELEVATOR /4 SHEET BALSA TOP AND BOTTOM FUSELAGE DOUBLER 1/16 PLY MAKE FOUR 500 WIND HOLD DOWN SH HAROWOOK MAKE WING HOCK 00MB SALTS11 N S _____-u DOUBLER-3/35 BALSA m FINOSE GEARF-S GB PLO PROTOBYPE 0 0j BLOCk-I/4 PLY HOST GE -IGR BALSALGLNLLGEAR LOCATION F-AF-A TOPI-S/H AlAsBEMARHARABOBHU I/B BALSA VB BALSAMID FUSELAGEII\J \JABBOBAHEEWB DOUBLERBROWSBIATHELEB TT BI/A HLT-BAHE A'EHAHNIHAMAX ECASHI 0 Left Prepare right left fuselage sides firewall farmers plywood doublers prior assembling fuselage Right guarantee square fuselage glue farmers 900 angles sides Trim excess material off front after glue has set thoroughly Left The rear fuselage treated /4-in-sq balsa sticks prior bringing rear fuselage together Right Epoxy should used glue both horizontal vertical stabilizers Check correct needed alignment during epoxys curing time torn Cut glue shape wing tips Cut out hole sheeting servo Cut taper trailing edge aileron torque rod wedges rear wing hold-down Recess front edges ailerons ac commodate torque rods Install rods Du-Bros strip aileron assembly #104 works well carefully glue place epoxy Add 4-in-wide strip fiberglass cloth center section wing like use thin CyA glue fiberglass strong fast bond Cut fit aileron stock wing remembering cut % x 1 /2-in aileron stock down 1-in width Round off both corners front edge aileron allow its motion Drill hole torque rod tempo rarily install hinges aileron ensure proper gapless fit Trim fiberglass cloth servo hole trial fit servo hardware wing Recess servo wing deeply possible Follow same procedure bot tom wing sand wing leading edges wing tips final shape Protobype uses aileron servo wing Y connector used electri cally couple two servos together Fuselage will need four 3 x x 42-in longer balsa sheets fuselage sides Butt glue two pieces 3 x / x 42-in balsa together lengthwise make side glue joint will become fuse lage centerline Cut fuselage out plans trace outline balsa fuselage sides prefer cut fuselage outline Ie gear 30 Model Aviation Left Install pushrods servos take advantage straight runs ability secure pushrod housing along length fuselage Right hatch first shaped hollowed Install fuel tank locate fuel filler remote glow plug connector Left The Enya 80 four-stroke fits nicely 450 rotation vertical really hauls model around Its best use remote glow plug connector engine Right Enya 45CX engine geared pump proved super two-cycle powerhouse Protobype plans use Scotch 77 spray tack glue two uncut fuselage sides together fuselage plan tack glued uncut fuse lage sides both sides cut out tog ether Sand edgesof fuselage sides final shape keeping identical After separating sides mark left right Cut fuselage doublers piece %2-in plywood can use three separate pieces side shown plans one-piece doubler can cut 6in-wide piece plywood lightening holes easy cut using hole saw tached drill Glue plywood doublers inside fuselage sides shown plans Cut glue horizontal sta bilizer doublers rear fuselage Cut out fuselage formers F-i F-2 F-3 F4 F-5 Trial fit formers fus elage Glue formers place using plans guide Use epoxy firewall Align sides formers carefully en sure formers 900 fuse lage sides Check see everything straight both front rear fus elage Cut glue A-in-sq balsa sticks inside fuselage sides behind former F-5 rear the aircraft Fit lengthwise pieces first fill vertical sticks Bring rear fuselage sides tog ether Taper A-in-sq sticks just disappear rearmost part fuselage satisfied alignment glue together CyA Install A-in-sq horizontal balsa crosspieces locations vertical sticks previously glued fuselage sides Cut install landing gear block secure -in triangle stock stall -in triangle stock rear Continued page 145 February 1989 31 completed wing fuselage just prior final sanding covering result will airplane large performance envelope doesnt look like everyone elses model Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145 * Quality hand-cut kit complete plans rigging scale control setup wire parts pre-bent custom hardware included parts individually identified packaged Complete decals * Engine sizes 26 50 FS 25 TS * Wing unit removes four screws less 3 minutes flying wires left intact * Superb flight characteristics *15900 VISA erCard y Order Michigan raaidents add 4% aalea tax Add $550 P&H US orders $1500 foreign video Catalog *1500 post mci vHs/Beta Regular Catalog choice Mini-Plan Hand-Cut Quality Affordable Price AERODROME MODELS LTD 2623 S Miller Rd __ SaginawM148603 517 781-3000 Other Kits Available Aero-Pacer Baby -Pacer Gipsy Moth Flybaby Flybeby Combo Hawker Hurricane Jester Hold cowl engine deter must recessed Cut trim cowl final fit secure small screws firewall sides Final sand hatch shape Install hardwood wing hold-down blocks shown plans Trial fit top wing fuselage Check incidence top wing zero 0 degrees inci dence using horizontal stabilizer ref erence dont have incidence ter measure set leading trailing edges equal distance fuselage centerline Sand fuselage wing cradle needed achieve 00 Align wing fuselage centered right left wing tips measure equal distances tips horizontal stabilizer wing properly aligned fuselage drill Y6-in pilot holes loca tions shown plans through wing hold-down blocks Remove wing drill holes wing 4-20 ny lon bolts holes wing hold-down block accept 4-20 blind nuts Follow same procedure bottom wing place wing one-degree positive cidence leading edge wing er trailing edge main gear aluminum should 334 4 wide fuselage about 12 wide wheels Two-inch light weight wheels used hard-surfaced runways grass runways least 2m wheels recommended Trial fit aluminum landing gear fuselage bot tom just behind trailing edge wing Check balance point model determine best locations ser vos receiver battety switch charging jack plan shows approximate loca tion components however can repositioned make model bal ance point shown plans satisfied balance install servos maldng sure sufficient clearance wing servos Remove hardware engine Brush epoxy fuel-proof dope inside tank compartment firewall Sand wings fuselage final shape glue canopy After final sanding Protobype will ready cover Covering can use commercial heat-shrink material used MonoKote Black Baron Metalfiake various edi tions model both worked great trim scheme up photos show several varieties model completed reinstall hardware radio gear engine Glue hinges install wing seating tape set throws elevator rudder ailerons Aileron total throw should % rudder throw should 1 elevator throw should set 34 Make final check balance point Radio Airtronics Spectra SP7P Radio installed model narrowband FM/PCM radio has features could desire including servo reversing adjustable throw volume aileron eleva tor rudder adjustable low throttle radio allows almost coupling/mixing could want has snap roll button offers both linear ex ponential control action has dual rates Other nice features plug-in transmit ter battery plug-in radio frequency mo dule radio features audible alarm sounds voltage drops below safety margins also provides fail-safe mode can preset defaulted recent best command system now has 1991-rated receiverours per formed flawlessly Engine Enya engines used Pro tobype distributed United States Altech Marketing ads no doubt have seen 45-size two-cycle Schnuerle-ported chrome-liner engine geared fuel pump engine rated 13 horsepower weighs 127 oz muffler real per former highly recommend two-cycle operation 80-size fourcycle engine claims 11 horsepower weighs 207 oz great power-toweight ratio four-cycle Both engines perform extremely well Protobype models local hobby shop should 146 Model Aviation Made USAAs design alternative could raise the top wing 2 add extra doubler Curtiss Jennyand balsa fuselage sides convert design cabin model DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust - BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Pice #108-1A scale NEW 595 #10&A/s scale 695 #lO51/s scale. 795 #10414 scale. 895 #1031/3 scale 1495 Flight Protobype recommended flier early intermediate-level skills Handling characteristics determined adjustments control surface throws can gentle like bi plane can docile trainer aero batic capable handling sure Protobype will provide hours pleasure both building flying Good Flying Radio Technique/Myers Continued page 35 JET PILOT KIT Pilot has molded jet helmet Contains face mask oxygen hose Extreme ly Realistic Weighs less io #3081R scale595 #3071/i scale695 ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7% tax Send check money order CODS OK Send $100 catalog doesnt remove dissolved matet-ial like alcohol salt know domestic water chlorinated fluoridated contains rust algae pipes silt source sometimes carries lot used detergents chlorine can boiled away fluoride detergents can removed distillation filter can handle rest decided boil off dissolved gases use filter produce water might injure battery So far battery hasnt blown bubbles still starts model engines might good idea have such filter look wayit has better just plain tap water idea might have some merit road Alaska suspended matter like silt Giardia cysts WhY need RC channels FULL BODY PILOT KIT Contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble finish Some simple seining required Fully positionable tool pIG #206lA scale895 #2051/ scale995 #204-h scale1095 #2031/3 scale1695 simple * Same sewing required See Dealer add Dollar direct order handling have some disagreements right now official position AMA will sanction use 50 aircraft-only channels January 1 1991 AMA must prevent loss channels nonmodeling users have receiving reports unex plalned interferences new channels give up half what weve got through ne glect subsequently encounter increasing interference channels using will few years think cant lose themthink again FCC has just reassigned 2 MHz piece Amateur two-meter band Land Mobile Ser vice due underutilization Ive told before USE-IT-OR-LOSE-IT SIT UATION am unhappy AMAs Frequency Com mittee Executive Council failed say thing about using 30 7S MHz channels surface-use-only onesin 1991 understand AMA AMYA ROAR etc therefore doesnt sanction events fact remains AMA got chan nels depend AMA keep 30 after listed 1988 Academy Model Aeronautics Member ship Manual see page 10 thereof cares ask Sailboat people regularly operate chan nels simultaneously standing closer gether other hobby group except some Sallplane competitors As example Sat urday morning Hecksher Park pond sall supports 12 heats 12 boats three hours means 12 RC channels continu ous simultaneous use morning Thats RC activity youll ever see alrport cluding Mile Square LA cant share frequencies like alr plane people ask Thats customary set ting up regatta require competitors have least two sets interchangeable crystals modules simplili race matrixing sall dozen boats time matrix heats objective having skip per sail agalnst other skipper present 75MHz switchable synthesizer would boon RC sailboat fraternity hear people asking can still legally swap crystals 27 75 MHz radios make matrices cant Well youd better know recently FCC has REFUSING TO TYPE ACCEPT new radios interchangeable crystals No matter read law thats real world Ven dors cant import radios arent Type Ac cepted So looks like future crystal swapping will have done bootieg able obtain either GE1TING AIRBORNE VOLUME 4 ALL ABOUT BUILDING FLYING COVERING ENGINES AND MORE GETTING AIRBORNE VOLUME ONE has over 400 large detaIled photographs Includes topic lIke selectIng radio radio control works learning fly wIthout Instructor learning wIth Instructor learn basic maneuvers like landing Other chapters explain about ARFs field equIpment operating engines assembling airplane easy learning control Installations much Cat Number BOKOOO$1295 GETTING AIRBORNE VOLUME TWO includes topics like building strength appearance alignment New plastic film covering techniques developed experts beginner explain get nicad batteries rebuild servo engine airframe Additional Installations topics shown much Cat Number BOKOlO$1295 HARRY B HIGLEY SONS INC P 0 sox 522 GLENWOOD ILL 60425 GETTING AIRBORNE 1~ii VOWNE II 148 Model Aviation