Oily Bird flew great Now using Ace pulse-rudder radio system author created distinctive fun-fly bird U Bernard Shulman WHAT IS IT big Delta Dart No its Ace-Dart Oh Whats Ace-Dart An Ace-Dart just what means Take Delta Dart better yet Oily Bird change until its original add Ace Pulse Commander radio have Ace-Dart truth model Oily Bird radio built over Oily Bird drawings dont know Oily Bird model designed Frank Ehling Cox 020 Pee Wee easily built free flight late 1960s published American Modeler Ace-Dart easy build fly Anyone some modeling under belt can build little model very short time flies very well fast tricky thought would small model Also glide much better expected dont think have worry too much about thermals Construction Start wings Cut out Andromeda Strain has nothing ubi quitous Delta Dart sorry about No won der goes together almost easily some giant ROG have yen watch something fly DO goes up postage stamp ribs medium hard 1/16 balsa cut out notches Cut ribs little oversize Pin down 1/8 hard balsa trailing edge hard balsa leading edge Trim five wing ribs size glue place Cut fit 3/s filler wing tip can lam inated layers scrap balsa Continued page 110 42 Model Aviation Cox Pee Wee 02 firewalledand note downthrust wing comes off access everything mean everything Simplest method yet devised RC unaging Ace pulse rudder system gives proportional rudder controlin air dont see wiggling rudder RC Dart/Shulman continued page 42 same thick center ribs build ribs out until about 3/16 thick Allow wings dry dry sand root ribs get proper dihedral 2 under tip Glue dihedral joints well let dry dry notch top ribs /8 sq spruce spars Notch bottom /s X ce spars two layers /8 sq dry cut front wing shown add gussets Sand wing smooth its ready cover stabilizer fin rudder cut medium 3/32 x 3 balsa Glue fin stabilizer allow set Start fuselage cutting two sides 1/16 medium hard balsa right side 3/32 shorter left allow right thrust engine mount Cut engine mount F-i /8 ply wood drill holes engine mounting screws Install blind nuts mount Cut F-2 3/32 balsa Glue F-I F-2 sides Glue sides together /8 sq tail post rear Cut out F-3 3/32 balsa fit space between sides glue place Cut 1/16 balsa vertical grain fit area between F-l F-2 between F-2 F-3 glue place Cut 3/32 balsa nose doublers glue place Glue 1/16 sheet gussets Plank top bottom fuselage 1/16 balsa grain across fuselage Trim sand flush side Cut out actuator mounting plate 1/16 plywood Use /s sq spruce actuator rails glued fuselage sides Make good tight fit actu ator mount actuator mount loose put some glue front mount tighten Drill holes mount actuator mounting screws use small brass bolts nuts actuator can mounted per Ace instructions sew ing button thread copper wire Cut bearing plate plywood glue time Notch tail post torque rod bearing use nylon tubing Bend front torque rod 045 music wire Put wire through plywood bear ing plate tail post tubing slide actuator rails Line up torque rod bearing plate match actuator Put tubing notch tail post torque rod lined up works freely glue bearing plate onto F-3 tubing notch tail post very sure torque rod works absolutely free dry bend up torque rod rudder Covering Finishing Sand parts smooth Hinge fin rudder left over MonoKote strips must work freely Cut install /i dowels wing hold-downs Decide want finish model Mine covered entirely transparent orange MonoKote Silkspan can used cover wing use Silkspan tissue cover just wing rest model should cov ered case Use Sig Lite-Coat thinned down 50/50 solution give model four five coats use clear dope free flight small radio models makes lot lighter much easier repair Dope model until starts shine give front fuselage center wing two three coats Mask tape cabin area finish prefer Bend adjustable yoke 1/32 wire bolt yoke onto rudder Use heat-shrink tubing actuator torque rod should no wire-to-wire touching torque rod hook up Wrap batteries receiver sepa rately foam rubber install fuse lage Use additional small pieces foam rubber pack batteries receiver packs fuselage overdo foam will too tight absorb vibration Bend landing gear 3/32 diame ter wire install wheels Bend add tail skid Bolt Pee Wee landing gear behind onto engine mount Slip actuator place Check out radio operation correct trou ble before fly Install wing check balance Add weight needed nose tail balance CG position plan Check stabilizer incidence place straightedge bottom wing projecting under stabilizer measure distance straight edge front rear stab back stab should /s higher front negative incidence Flying Test glide Ace-Dart transmitter receiver turned glide OK model ready pow ered flight after ground check radio range sure read instruc tion book came radio Start engine run little rich side Turn transmitter receiver check rudder work ing right right left left Hand launch model allow gain some altitude try some very gentle turns Without overcontrolling try keep Ace-Dart up wind After engine cuts try land near you can dont overcontrol near ground hope enjoy Ace-Dart much did Tra nsA m/R ichs continued page 45 sign having following limita tions wing span over 72 inches glow plug engine size 35 61 cu total fuel capacity 32oz no inflight refueling capability airplane requirements de signed teams have equal chance Pit stops ae also great equalizerthe reason fuel limit plane size limited planes about equal no big lumbering possibly un safe designs leg team allowed two aircraft necessarily same design having two planes same design would permit parts interchange able event crash damage primary plane making unsafe fly backup plane parts may used event both planes dam aged unflyable team will need some fast repairs aircraft will have team num ber plainly visible side fuse lage backup airplane will desig nated beside team number two airplanes wipeout plane will disqualify leg team put rest total team out race Lost time can made up remaining leg teams along way both planes cannot repaired rea sonable time complete flight next check point planes will carried check point time penalty assigned everyone still race Race race winners will total team shortest time ac crued Time between checkpoints what counts actual flying time checkpoints places first take off day made place final landing day clock ticks accidents pit stops comfort stops etc Takeoffs initial starting point will five-minute intervals order chosen drawing word go race director team will start engine take off way Timing plane will start go signal continue until plane lands checkpoint overnight stop leg change Timing stops touch-down within designated landing area takeoffs next morning will first first out order previous days landing 110 ModelAviation ATTENTION RC DEALERS Order tram large slack Kratt radios ServasKratt EnginesAir born unitsPlus accessories T SOUTHWESTERN INC 5725 E Lancaster Ft Worth TX 76112 817-451-7537 Night 4293828 572-1452 REPL-TECH 465O NIC KENZIE H rI WV LM NS VIDA OREGON 9748____________
Edition: Model Aviation - 1978/12
Page Numbers: 42, 110
Oily Bird flew great Now using Ace pulse-rudder radio system author created distinctive fun-fly bird U Bernard Shulman WHAT IS IT big Delta Dart No its Ace-Dart Oh Whats Ace-Dart An Ace-Dart just what means Take Delta Dart better yet Oily Bird change until its original add Ace Pulse Commander radio have Ace-Dart truth model Oily Bird radio built over Oily Bird drawings dont know Oily Bird model designed Frank Ehling Cox 020 Pee Wee easily built free flight late 1960s published American Modeler Ace-Dart easy build fly Anyone some modeling under belt can build little model very short time flies very well fast tricky thought would small model Also glide much better expected dont think have worry too much about thermals Construction Start wings Cut out Andromeda Strain has nothing ubi quitous Delta Dart sorry about No won der goes together almost easily some giant ROG have yen watch something fly DO goes up postage stamp ribs medium hard 1/16 balsa cut out notches Cut ribs little oversize Pin down 1/8 hard balsa trailing edge hard balsa leading edge Trim five wing ribs size glue place Cut fit 3/s filler wing tip can lam inated layers scrap balsa Continued page 110 42 Model Aviation Cox Pee Wee 02 firewalledand note downthrust wing comes off access everything mean everything Simplest method yet devised RC unaging Ace pulse rudder system gives proportional rudder controlin air dont see wiggling rudder RC Dart/Shulman continued page 42 same thick center ribs build ribs out until about 3/16 thick Allow wings dry dry sand root ribs get proper dihedral 2 under tip Glue dihedral joints well let dry dry notch top ribs /8 sq spruce spars Notch bottom /s X ce spars two layers /8 sq dry cut front wing shown add gussets Sand wing smooth its ready cover stabilizer fin rudder cut medium 3/32 x 3 balsa Glue fin stabilizer allow set Start fuselage cutting two sides 1/16 medium hard balsa right side 3/32 shorter left allow right thrust engine mount Cut engine mount F-i /8 ply wood drill holes engine mounting screws Install blind nuts mount Cut F-2 3/32 balsa Glue F-I F-2 sides Glue sides together /8 sq tail post rear Cut out F-3 3/32 balsa fit space between sides glue place Cut 1/16 balsa vertical grain fit area between F-l F-2 between F-2 F-3 glue place Cut 3/32 balsa nose doublers glue place Glue 1/16 sheet gussets Plank top bottom fuselage 1/16 balsa grain across fuselage Trim sand flush side Cut out actuator mounting plate 1/16 plywood Use /s sq spruce actuator rails glued fuselage sides Make good tight fit actu ator mount actuator mount loose put some glue front mount tighten Drill holes mount actuator mounting screws use small brass bolts nuts actuator can mounted per Ace instructions sew ing button thread copper wire Cut bearing plate plywood glue time Notch tail post torque rod bearing use nylon tubing Bend front torque rod 045 music wire Put wire through plywood bear ing plate tail post tubing slide actuator rails Line up torque rod bearing plate match actuator Put tubing notch tail post torque rod lined up works freely glue bearing plate onto F-3 tubing notch tail post very sure torque rod works absolutely free dry bend up torque rod rudder Covering Finishing Sand parts smooth Hinge fin rudder left over MonoKote strips must work freely Cut install /i dowels wing hold-downs Decide want finish model Mine covered entirely transparent orange MonoKote Silkspan can used cover wing use Silkspan tissue cover just wing rest model should cov ered case Use Sig Lite-Coat thinned down 50/50 solution give model four five coats use clear dope free flight small radio models makes lot lighter much easier repair Dope model until starts shine give front fuselage center wing two three coats Mask tape cabin area finish prefer Bend adjustable yoke 1/32 wire bolt yoke onto rudder Use heat-shrink tubing actuator torque rod should no wire-to-wire touching torque rod hook up Wrap batteries receiver sepa rately foam rubber install fuse lage Use additional small pieces foam rubber pack batteries receiver packs fuselage overdo foam will too tight absorb vibration Bend landing gear 3/32 diame ter wire install wheels Bend add tail skid Bolt Pee Wee landing gear behind onto engine mount Slip actuator place Check out radio operation correct trou ble before fly Install wing check balance Add weight needed nose tail balance CG position plan Check stabilizer incidence place straightedge bottom wing projecting under stabilizer measure distance straight edge front rear stab back stab should /s higher front negative incidence Flying Test glide Ace-Dart transmitter receiver turned glide OK model ready pow ered flight after ground check radio range sure read instruc tion book came radio Start engine run little rich side Turn transmitter receiver check rudder work ing right right left left Hand launch model allow gain some altitude try some very gentle turns Without overcontrolling try keep Ace-Dart up wind After engine cuts try land near you can dont overcontrol near ground hope enjoy Ace-Dart much did Tra nsA m/R ichs continued page 45 sign having following limita tions wing span over 72 inches glow plug engine size 35 61 cu total fuel capacity 32oz no inflight refueling capability airplane requirements de signed teams have equal chance Pit stops ae also great equalizerthe reason fuel limit plane size limited planes about equal no big lumbering possibly un safe designs leg team allowed two aircraft necessarily same design having two planes same design would permit parts interchange able event crash damage primary plane making unsafe fly backup plane parts may used event both planes dam aged unflyable team will need some fast repairs aircraft will have team num ber plainly visible side fuse lage backup airplane will desig nated beside team number two airplanes wipeout plane will disqualify leg team put rest total team out race Lost time can made up remaining leg teams along way both planes cannot repaired rea sonable time complete flight next check point planes will carried check point time penalty assigned everyone still race Race race winners will total team shortest time ac crued Time between checkpoints what counts actual flying time checkpoints places first take off day made place final landing day clock ticks accidents pit stops comfort stops etc Takeoffs initial starting point will five-minute intervals order chosen drawing word go race director team will start engine take off way Timing plane will start go signal continue until plane lands checkpoint overnight stop leg change Timing stops touch-down within designated landing area takeoffs next morning will first first out order previous days landing 110 ModelAviation ATTENTION RC DEALERS Order tram large slack Kratt radios ServasKratt EnginesAir born unitsPlus accessories T SOUTHWESTERN INC 5725 E Lancaster Ft Worth TX 76112 817-451-7537 Night 4293828 572-1452 REPL-TECH 465O NIC KENZIE H rI WV LM NS VIDA OREGON 9748____________