Radio Control Sport Aerobatics Ron Van Putte WHAT Dow Coming Q fuel foaming reducer9 Beats Besides really dont care what its possible get some youre confused youll still less confused baffling problem struck Pattern airplane Supertigre G-60 Bluehead-equipped Phoenix 8 has periodically plagued apparently lean runs attributed variously too lean needle valve setting loose carburetor faulty fuel pump leaky fuel line tank loose back plate bad glow plug spinner rubbing nose cowl clogged fuel filter bad fuel However problem persisted through different engines fuel pumps remem bered what Don Lower said during visit club meeting month ago describing situation sounded much like ended discovery foaming fuel culprit able solve problem using softer mounting setup tank tank installation easy change resort other solutions Before go further lets look bit symptoms problem engine runs hot no matter what needle valve setting will run maximum rpm except first started very frustrating watch engine fry covers wing unburned fuel Sound familiar solution came Fiesta Five Flags Contest Pensacola FL ready line chatting line chief Bob Howze mentioned dreaded flying because knew Doc Edwards performs little surgery throttle BuckerJungmeisterSport Scale entryat Pensacola Fiesta Five Flags Contest 36 Model Aviation Pattern airplane Apparently cause Ed Moorman won Novice class Pensacola Fiesta Five Flags Contest dont often see 2 Sig Kougars Bird Plane ready boxes Pattern meet Sienoer figure white shirt funny hat belongs dieting Master-class flier Steve Helms some unfathomable reason unique custom dustcoveron Don Hawleys KraftKP-7Z transmitter catches lot attention time brings flying field engine would give trouble asked about described problem Luckily encountered same situation found solution went home get some Dow Coming Q foaming reducer solved problem returned added four drops translucent oily-looking stuff gallon fuel virtually tendency foam disappeared engine problem over Thats good news bad news does seem available reason writing find out know rest us can get some product available does good job Apparently Dow Corning makes number foaming reducers starting going up through Q Bob Howze said worked well him Q foaming reducer able get small quantity just after stopped making way Bob said works best model fuels have nitro content about 10% Please let hear anyone can help Out rest us Speaking helping Don Lowe tried help five weeks testing Eglin AFB test range Don several sugges tions improving flying techniques also recommended try flying tuned pipe So picked up OPS muffled pipe Radio South proceeded strap ugly thing beautiful Phoenix 8 easy tune using directions included box pipe engine originally turned 12600 rpm using Macs flow-through muffler swing ing Zingerl 1-7 prop burning home-brew 10% nitro fuel pipe now turns 13700 rpm thats too shabby Some have never used pipe may interested initial impressions about using airplane clearly much faster before vertical performance signifi cantly improved striking change Figure M Top Hat much easier well Youll notice said easier well because always could get respectable scores maneuvers long few small mistakes made However significant pitch heading corrections necessary airplane often ran out airspeed too soon pipe helps situation out lot thing surprised about effects tuned pipe maneuvers much easier looping maneuvers Very little aileron correction required perhaps cause airplane travelling constant speed engine mounted vertically pipe bolted side fuselage above wing Despite ugly blob running down right side fuselage cannot detect significant effects Knife-Edge characteristics expected left rudder would required Continued page 116 CHECK OUT OUR SPORTSCALE 'CLASSICS Careful attention detail ease building quality materials make kits ourfinest NEW LASER 1/4 Scale Scale Sport/Aerobatic 1/2A io Sport ScaleAn outstanding deal n Leo Loudenslagers Laser 200 geared 90 engines ilote Dave Brn laser won $10000 rhia magnificent pre-WW II trainergivea atable predictableTournament Champions prize last year Offered ass nearly pre-built etserobaticerformance Highly detailed preassembled modelsimply add finishing touches youre ready fly p uselageaddato realism takes workout building best available Features Separate detachable wing panels epoxyMilitary decals included No painting required WS 38 glass cowl formed wheelpants hatch & clear canopy Dural landing rea225sqinWt22-24ozEng.O49-1ORadio2-5 gear hardwareand instructionsWS 86 Area 1245sq Wt h PRICE $3495 12-13 lb Eng 91 reduction drive PRICES Builders Kit $19995 Pre-Built $34995 P-63 KING COBRA Scale-Sport-Pylon rhis true sport scale model does double-duty ass quaffermidget racer basicconstruction isslready done foryou including preassembled fuselage & pre-sheeted & sanded foam wing WS 43 Area34Osq Wt 2V2-3 lb Eng 1 5-20 Radio 3-4 Ch Unique removable canopy hatch design Includes photo-instructions PRICE $5995 Wow Schoolyard scale has come age Rotairng retracts require 18O mini servo molded details tough ASA fuselage simple die-cut sheet foam wing balsa tail assemblies P-40 builds quick straight New plastic foam materials perfect new camouflage paints Also includes detailed clear canopy predrilled metal motor mount detailed instructions WS36Area2lssqinWt19-26ozEng 049-1O Radio 2-5 Ch PRICE $3995 0 C L Did know about selection sport compel ition airplanes Send SASE today free catalog Ap Local Dealer May Order Direct Send check money order 554 E FRONTON ST BROWNSVILLE TX 78520 512 541-3867 2 September 1981 37 fine Midwest Jetster2o Dull Dy iiaipn IICCO RI 1V2 ID snewing ioaaing oniyu 02/sq ftlow enough its K&B 35 Axif low RK-208 ducted fan unit make fast snappy performer Photo R Reed F-15 EAGLE Ducted-Fan Twin 40s 1/10 Scale COMING SOON Designed Duane Johnson kit builder want ZLIN Z-50L 1/5 Scale exotic scale performance match thrust weight ratio better 11 machine-cut parts supplied plus hardware clearcanopy Aerobatic Scale Builders Kit Uses RhomAir retracts Designed EAGLE let pumps lavailable Kit will include everything neededal machine-cut balsa/ $4995 eal adaptable other fan units Fantastic performance plywood glass fuse WS 78 Eng 60-90 WS 48 Area 850 sq projected Fuse Lgth 72 Wt 12 lb PRICE $19995 Eng twin 40s Radio 5-6 Ch PRICE $19995 Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0 Dont floater LET YOUR RIG RtRD PL Quadra other similar engine doesnt quite job heres will 37 Cu engine develops almost 4 hp yet weighs pound over Quadra has power pull Byron Pitts straight upwithout prop reduction also takes no space Quadrait will fit entirely inside cowl Nosen D unexposed stripped chain-saw motor engine manufactured USA miniature aircraft use Comes complete ready run year 100% warranty COMPLFT MODIFIED 37 ENGINE Fact" C S HE HEAD LOCK NEW STANDARD III FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES 1ush twist Its kicked onI Still $2932 Push twist its eff 3WIII stj favorite eff weder heavy wr ai wrjwdivctgdd5OG $7 otsw cnact 30 inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPlainsaNJ07444 CARBON FIBER TAPE,,Friends 005 x 125 wideAEROCLUBOF ISRAEL Join us support Write 25ft50 ft100 ft ational & international $895$1495$2695vents Israeli modelers $100 ph 14702 29th Ave SLOPE ASSOCIATES2317 fl 63dcud Flushing NY 11354 SEATTLE A/A 98103 thing angle attack airplane increases tends take off again course hotter landing worse bounce will going boing boing boing down runway no fun Keep main gear struts vertical landings should improve dramati cally May loops round unless supposed square triangular Ron Van Putte 111 Sleepy Oaks Dr Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 39 higher figure After number flights batteries low bit interference could result suddenly-dead receiver Using long extension cords six seven servos seems asking trouble Since model probably needs additional nose weight would make sense use larger batteries 1 aH 12 aH rating Ferrite beads can also used long extension cords strung red black wires spaced about 10 inches reduce risk interference receiver antenna should kept away extension cords wiring should inspected broken strands solder joints Plugs sockets separated often can additional noise source Forming small parts have vacuumforming small parts Mattel Vac-U-Form toy have become scarce very difficult find Anyone having MonoKote heat gun can get similar results stretchmolding parts made ABS plastic styrene mold carved balsa sanded given serveral coats polyester resin harden surface sanded smooth convenience mold should fastened end hardwood dowel square strip can mounted securely vise otherwise held vertical position molding surface facing upward plastic sheet formed fastened masking tape piece plywood has hole near its center larger mold heat guns warms plastic until begins sag plastic side down plywood holder pressed down over mold held plastic cools After trimming edges part complete best results plywood holder should have hole similar outline mold shape somewhat larger need have exact shape shouldnt greatly oversize also helps warm mold heat gun plastic will cool too quickly upon contact mold permits time stretching operation reduces pressure required Most likely parts candi dates needed quantity example 14 18 rocker amil oumps radial-engine cowl Bob Dolly Wischer Rt 1 S-22lLapham Peak Rd Delafield WI 53018 RC Soaring/Pruss Continued page 41 split buddy requests honored pos sible Half fliers say blue-and-white go field other half go field B same other frequencies day two fliers switch fields Communication CR radio Bob claims two contests have allowed flights per contestant have also allowed schedule didnt start flying crack dawn end sunset Nice care details write Bob Steele 10173 St Joe Road Ft Wayne IN 46815 Egg Face Department line retrieval system reported June 1981 issue Model Aviation credited DCRC group Actually version picture built members DCRC original idea belongs members Valley Forge Signal Seekers Inc Tom Greet Ted Davey devel oped original fall 1978 early 1979 Gerry Cavanaugh also sent some details including fact molded wheel/rim shown June issue much better common bicycle spoke wheel Word retrieval units will available commercially can get further information writing Ted Davey 1 Wood Lane Malvern PA 19355 Gerry Cavanaugh 224 Swedesford Road Malvern PA 19355 Touch Class LSF booth Toledo Level Vs dropped pleasantly sur prised saw Level V forms perma nently mounted walnut plaques presented individuals some forms carried tool boxes years helped revive old stories about done stories Level V Chris Adams Ken Batess Pat Flynn Don Harris Good lift Dan Pruss Rt 2 Box 49D Plainfield IL 60544 118 ModelAviation Modified 37 Package $18995 Roper 19 Still best value big-scale engines4995 19 Factory-demo Special 3495 Props 22 24-10 Now Avail Special 19 Eng 5995 NOTE mounts & hubs same price both engines Send check MO. orwili ship COD ups A. g & handinos enoine Send fr, uiries invited ftute 2 aefter fluctuates rapidly seems indicate well over ampere quite load place 500 maH battery pack Air loads control surfaces would increase current draw a
Edition: Model Aviation - 1981/09
Page Numbers: 36, 37, 116, 118
Radio Control Sport Aerobatics Ron Van Putte WHAT Dow Coming Q fuel foaming reducer9 Beats Besides really dont care what its possible get some youre confused youll still less confused baffling problem struck Pattern airplane Supertigre G-60 Bluehead-equipped Phoenix 8 has periodically plagued apparently lean runs attributed variously too lean needle valve setting loose carburetor faulty fuel pump leaky fuel line tank loose back plate bad glow plug spinner rubbing nose cowl clogged fuel filter bad fuel However problem persisted through different engines fuel pumps remem bered what Don Lower said during visit club meeting month ago describing situation sounded much like ended discovery foaming fuel culprit able solve problem using softer mounting setup tank tank installation easy change resort other solutions Before go further lets look bit symptoms problem engine runs hot no matter what needle valve setting will run maximum rpm except first started very frustrating watch engine fry covers wing unburned fuel Sound familiar solution came Fiesta Five Flags Contest Pensacola FL ready line chatting line chief Bob Howze mentioned dreaded flying because knew Doc Edwards performs little surgery throttle BuckerJungmeisterSport Scale entryat Pensacola Fiesta Five Flags Contest 36 Model Aviation Pattern airplane Apparently cause Ed Moorman won Novice class Pensacola Fiesta Five Flags Contest dont often see 2 Sig Kougars Bird Plane ready boxes Pattern meet Sienoer figure white shirt funny hat belongs dieting Master-class flier Steve Helms some unfathomable reason unique custom dustcoveron Don Hawleys KraftKP-7Z transmitter catches lot attention time brings flying field engine would give trouble asked about described problem Luckily encountered same situation found solution went home get some Dow Coming Q foaming reducer solved problem returned added four drops translucent oily-looking stuff gallon fuel virtually tendency foam disappeared engine problem over Thats good news bad news does seem available reason writing find out know rest us can get some product available does good job Apparently Dow Corning makes number foaming reducers starting going up through Q Bob Howze said worked well him Q foaming reducer able get small quantity just after stopped making way Bob said works best model fuels have nitro content about 10% Please let hear anyone can help Out rest us Speaking helping Don Lowe tried help five weeks testing Eglin AFB test range Don several sugges tions improving flying techniques also recommended try flying tuned pipe So picked up OPS muffled pipe Radio South proceeded strap ugly thing beautiful Phoenix 8 easy tune using directions included box pipe engine originally turned 12600 rpm using Macs flow-through muffler swing ing Zingerl 1-7 prop burning home-brew 10% nitro fuel pipe now turns 13700 rpm thats too shabby Some have never used pipe may interested initial impressions about using airplane clearly much faster before vertical performance signifi cantly improved striking change Figure M Top Hat much easier well Youll notice said easier well because always could get respectable scores maneuvers long few small mistakes made However significant pitch heading corrections necessary airplane often ran out airspeed too soon pipe helps situation out lot thing surprised about effects tuned pipe maneuvers much easier looping maneuvers Very little aileron correction required perhaps cause airplane travelling constant speed engine mounted vertically pipe bolted side fuselage above wing Despite ugly blob running down right side fuselage cannot detect significant effects Knife-Edge characteristics expected left rudder would required Continued page 116 CHECK OUT OUR SPORTSCALE 'CLASSICS Careful attention detail ease building quality materials make kits ourfinest NEW LASER 1/4 Scale Scale Sport/Aerobatic 1/2A io Sport ScaleAn outstanding deal n Leo Loudenslagers Laser 200 geared 90 engines ilote Dave Brn laser won $10000 rhia magnificent pre-WW II trainergivea atable predictableTournament Champions prize last year Offered ass nearly pre-built etserobaticerformance Highly detailed preassembled modelsimply add finishing touches youre ready fly p uselageaddato realism takes workout building best available Features Separate detachable wing panels epoxyMilitary decals included No painting required WS 38 glass cowl formed wheelpants hatch & clear canopy Dural landing rea225sqinWt22-24ozEng.O49-1ORadio2-5 gear hardwareand instructionsWS 86 Area 1245sq Wt h PRICE $3495 12-13 lb Eng 91 reduction drive PRICES Builders Kit $19995 Pre-Built $34995 P-63 KING COBRA Scale-Sport-Pylon rhis true sport scale model does double-duty ass quaffermidget racer basicconstruction isslready done foryou including preassembled fuselage & pre-sheeted & sanded foam wing WS 43 Area34Osq Wt 2V2-3 lb Eng 1 5-20 Radio 3-4 Ch Unique removable canopy hatch design Includes photo-instructions PRICE $5995 Wow Schoolyard scale has come age Rotairng retracts require 18O mini servo molded details tough ASA fuselage simple die-cut sheet foam wing balsa tail assemblies P-40 builds quick straight New plastic foam materials perfect new camouflage paints Also includes detailed clear canopy predrilled metal motor mount detailed instructions WS36Area2lssqinWt19-26ozEng 049-1O Radio 2-5 Ch PRICE $3995 0 C L Did know about selection sport compel ition airplanes Send SASE today free catalog Ap Local Dealer May Order Direct Send check money order 554 E FRONTON ST BROWNSVILLE TX 78520 512 541-3867 2 September 1981 37 fine Midwest Jetster2o Dull Dy iiaipn IICCO RI 1V2 ID snewing ioaaing oniyu 02/sq ftlow enough its K&B 35 Axif low RK-208 ducted fan unit make fast snappy performer Photo R Reed F-15 EAGLE Ducted-Fan Twin 40s 1/10 Scale COMING SOON Designed Duane Johnson kit builder want ZLIN Z-50L 1/5 Scale exotic scale performance match thrust weight ratio better 11 machine-cut parts supplied plus hardware clearcanopy Aerobatic Scale Builders Kit Uses RhomAir retracts Designed EAGLE let pumps lavailable Kit will include everything neededal machine-cut balsa/ $4995 eal adaptable other fan units Fantastic performance plywood glass fuse WS 78 Eng 60-90 WS 48 Area 850 sq projected Fuse Lgth 72 Wt 12 lb PRICE $19995 Eng twin 40s Radio 5-6 Ch PRICE $19995 Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0 Dont floater LET YOUR RIG RtRD PL Quadra other similar engine doesnt quite job heres will 37 Cu engine develops almost 4 hp yet weighs pound over Quadra has power pull Byron Pitts straight upwithout prop reduction also takes no space Quadrait will fit entirely inside cowl Nosen D unexposed stripped chain-saw motor engine manufactured USA miniature aircraft use Comes complete ready run year 100% warranty COMPLFT MODIFIED 37 ENGINE Fact" C S HE HEAD LOCK NEW STANDARD III FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES 1ush twist Its kicked onI Still $2932 Push twist its eff 3WIII stj favorite eff weder heavy wr ai wrjwdivctgdd5OG $7 otsw cnact 30 inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPlainsaNJ07444 CARBON FIBER TAPE,,Friends 005 x 125 wideAEROCLUBOF ISRAEL Join us support Write 25ft50 ft100 ft ational & international $895$1495$2695vents Israeli modelers $100 ph 14702 29th Ave SLOPE ASSOCIATES2317 fl 63dcud Flushing NY 11354 SEATTLE A/A 98103 thing angle attack airplane increases tends take off again course hotter landing worse bounce will going boing boing boing down runway no fun Keep main gear struts vertical landings should improve dramati cally May loops round unless supposed square triangular Ron Van Putte 111 Sleepy Oaks Dr Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 39 higher figure After number flights batteries low bit interference could result suddenly-dead receiver Using long extension cords six seven servos seems asking trouble Since model probably needs additional nose weight would make sense use larger batteries 1 aH 12 aH rating Ferrite beads can also used long extension cords strung red black wires spaced about 10 inches reduce risk interference receiver antenna should kept away extension cords wiring should inspected broken strands solder joints Plugs sockets separated often can additional noise source Forming small parts have vacuumforming small parts Mattel Vac-U-Form toy have become scarce very difficult find Anyone having MonoKote heat gun can get similar results stretchmolding parts made ABS plastic styrene mold carved balsa sanded given serveral coats polyester resin harden surface sanded smooth convenience mold should fastened end hardwood dowel square strip can mounted securely vise otherwise held vertical position molding surface facing upward plastic sheet formed fastened masking tape piece plywood has hole near its center larger mold heat guns warms plastic until begins sag plastic side down plywood holder pressed down over mold held plastic cools After trimming edges part complete best results plywood holder should have hole similar outline mold shape somewhat larger need have exact shape shouldnt greatly oversize also helps warm mold heat gun plastic will cool too quickly upon contact mold permits time stretching operation reduces pressure required Most likely parts candi dates needed quantity example 14 18 rocker amil oumps radial-engine cowl Bob Dolly Wischer Rt 1 S-22lLapham Peak Rd Delafield WI 53018 RC Soaring/Pruss Continued page 41 split buddy requests honored pos sible Half fliers say blue-and-white go field other half go field B same other frequencies day two fliers switch fields Communication CR radio Bob claims two contests have allowed flights per contestant have also allowed schedule didnt start flying crack dawn end sunset Nice care details write Bob Steele 10173 St Joe Road Ft Wayne IN 46815 Egg Face Department line retrieval system reported June 1981 issue Model Aviation credited DCRC group Actually version picture built members DCRC original idea belongs members Valley Forge Signal Seekers Inc Tom Greet Ted Davey devel oped original fall 1978 early 1979 Gerry Cavanaugh also sent some details including fact molded wheel/rim shown June issue much better common bicycle spoke wheel Word retrieval units will available commercially can get further information writing Ted Davey 1 Wood Lane Malvern PA 19355 Gerry Cavanaugh 224 Swedesford Road Malvern PA 19355 Touch Class LSF booth Toledo Level Vs dropped pleasantly sur prised saw Level V forms perma nently mounted walnut plaques presented individuals some forms carried tool boxes years helped revive old stories about done stories Level V Chris Adams Ken Batess Pat Flynn Don Harris Good lift Dan Pruss Rt 2 Box 49D Plainfield IL 60544 118 ModelAviation Modified 37 Package $18995 Roper 19 Still best value big-scale engines4995 19 Factory-demo Special 3495 Props 22 24-10 Now Avail Special 19 Eng 5995 NOTE mounts & hubs same price both engines Send check MO. orwili ship COD ups A. g & handinos enoine Send fr, uiries invited ftute 2 aefter fluctuates rapidly seems indicate well over ampere quite load place 500 maH battery pack Air loads control surfaces would increase current draw a
Edition: Model Aviation - 1981/09
Page Numbers: 36, 37, 116, 118
Radio Control Sport Aerobatics Ron Van Putte WHAT Dow Coming Q fuel foaming reducer9 Beats Besides really dont care what its possible get some youre confused youll still less confused baffling problem struck Pattern airplane Supertigre G-60 Bluehead-equipped Phoenix 8 has periodically plagued apparently lean runs attributed variously too lean needle valve setting loose carburetor faulty fuel pump leaky fuel line tank loose back plate bad glow plug spinner rubbing nose cowl clogged fuel filter bad fuel However problem persisted through different engines fuel pumps remem bered what Don Lower said during visit club meeting month ago describing situation sounded much like ended discovery foaming fuel culprit able solve problem using softer mounting setup tank tank installation easy change resort other solutions Before go further lets look bit symptoms problem engine runs hot no matter what needle valve setting will run maximum rpm except first started very frustrating watch engine fry covers wing unburned fuel Sound familiar solution came Fiesta Five Flags Contest Pensacola FL ready line chatting line chief Bob Howze mentioned dreaded flying because knew Doc Edwards performs little surgery throttle BuckerJungmeisterSport Scale entryat Pensacola Fiesta Five Flags Contest 36 Model Aviation Pattern airplane Apparently cause Ed Moorman won Novice class Pensacola Fiesta Five Flags Contest dont often see 2 Sig Kougars Bird Plane ready boxes Pattern meet Sienoer figure white shirt funny hat belongs dieting Master-class flier Steve Helms some unfathomable reason unique custom dustcoveron Don Hawleys KraftKP-7Z transmitter catches lot attention time brings flying field engine would give trouble asked about described problem Luckily encountered same situation found solution went home get some Dow Coming Q foaming reducer solved problem returned added four drops translucent oily-looking stuff gallon fuel virtually tendency foam disappeared engine problem over Thats good news bad news does seem available reason writing find out know rest us can get some product available does good job Apparently Dow Corning makes number foaming reducers starting going up through Q Bob Howze said worked well him Q foaming reducer able get small quantity just after stopped making way Bob said works best model fuels have nitro content about 10% Please let hear anyone can help Out rest us Speaking helping Don Lowe tried help five weeks testing Eglin AFB test range Don several sugges tions improving flying techniques also recommended try flying tuned pipe So picked up OPS muffled pipe Radio South proceeded strap ugly thing beautiful Phoenix 8 easy tune using directions included box pipe engine originally turned 12600 rpm using Macs flow-through muffler swing ing Zingerl 1-7 prop burning home-brew 10% nitro fuel pipe now turns 13700 rpm thats too shabby Some have never used pipe may interested initial impressions about using airplane clearly much faster before vertical performance signifi cantly improved striking change Figure M Top Hat much easier well Youll notice said easier well because always could get respectable scores maneuvers long few small mistakes made However significant pitch heading corrections necessary airplane often ran out airspeed too soon pipe helps situation out lot thing surprised about effects tuned pipe maneuvers much easier looping maneuvers Very little aileron correction required perhaps cause airplane travelling constant speed engine mounted vertically pipe bolted side fuselage above wing Despite ugly blob running down right side fuselage cannot detect significant effects Knife-Edge characteristics expected left rudder would required Continued page 116 CHECK OUT OUR SPORTSCALE 'CLASSICS Careful attention detail ease building quality materials make kits ourfinest NEW LASER 1/4 Scale Scale Sport/Aerobatic 1/2A io Sport ScaleAn outstanding deal n Leo Loudenslagers Laser 200 geared 90 engines ilote Dave Brn laser won $10000 rhia magnificent pre-WW II trainergivea atable predictableTournament Champions prize last year Offered ass nearly pre-built etserobaticerformance Highly detailed preassembled modelsimply add finishing touches youre ready fly p uselageaddato realism takes workout building best available Features Separate detachable wing panels epoxyMilitary decals included No painting required WS 38 glass cowl formed wheelpants hatch & clear canopy Dural landing rea225sqinWt22-24ozEng.O49-1ORadio2-5 gear hardwareand instructionsWS 86 Area 1245sq Wt h PRICE $3495 12-13 lb Eng 91 reduction drive PRICES Builders Kit $19995 Pre-Built $34995 P-63 KING COBRA Scale-Sport-Pylon rhis true sport scale model does double-duty ass quaffermidget racer basicconstruction isslready done foryou including preassembled fuselage & pre-sheeted & sanded foam wing WS 43 Area34Osq Wt 2V2-3 lb Eng 1 5-20 Radio 3-4 Ch Unique removable canopy hatch design Includes photo-instructions PRICE $5995 Wow Schoolyard scale has come age Rotairng retracts require 18O mini servo molded details tough ASA fuselage simple die-cut sheet foam wing balsa tail assemblies P-40 builds quick straight New plastic foam materials perfect new camouflage paints Also includes detailed clear canopy predrilled metal motor mount detailed instructions WS36Area2lssqinWt19-26ozEng 049-1O Radio 2-5 Ch PRICE $3995 0 C L Did know about selection sport compel ition airplanes Send SASE today free catalog Ap Local Dealer May Order Direct Send check money order 554 E FRONTON ST BROWNSVILLE TX 78520 512 541-3867 2 September 1981 37 fine Midwest Jetster2o Dull Dy iiaipn IICCO RI 1V2 ID snewing ioaaing oniyu 02/sq ftlow enough its K&B 35 Axif low RK-208 ducted fan unit make fast snappy performer Photo R Reed F-15 EAGLE Ducted-Fan Twin 40s 1/10 Scale COMING SOON Designed Duane Johnson kit builder want ZLIN Z-50L 1/5 Scale exotic scale performance match thrust weight ratio better 11 machine-cut parts supplied plus hardware clearcanopy Aerobatic Scale Builders Kit Uses RhomAir retracts Designed EAGLE let pumps lavailable Kit will include everything neededal machine-cut balsa/ $4995 eal adaptable other fan units Fantastic performance plywood glass fuse WS 78 Eng 60-90 WS 48 Area 850 sq projected Fuse Lgth 72 Wt 12 lb PRICE $19995 Eng twin 40s Radio 5-6 Ch PRICE $19995 Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0 Dont floater LET YOUR RIG RtRD PL Quadra other similar engine doesnt quite job heres will 37 Cu engine develops almost 4 hp yet weighs pound over Quadra has power pull Byron Pitts straight upwithout prop reduction also takes no space Quadrait will fit entirely inside cowl Nosen D unexposed stripped chain-saw motor engine manufactured USA miniature aircraft use Comes complete ready run year 100% warranty COMPLFT MODIFIED 37 ENGINE Fact" C S HE HEAD LOCK NEW STANDARD III FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES 1ush twist Its kicked onI Still $2932 Push twist its eff 3WIII stj favorite eff weder heavy wr ai wrjwdivctgdd5OG $7 otsw cnact 30 inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPlainsaNJ07444 CARBON FIBER TAPE,,Friends 005 x 125 wideAEROCLUBOF ISRAEL Join us support Write 25ft50 ft100 ft ational & international $895$1495$2695vents Israeli modelers $100 ph 14702 29th Ave SLOPE ASSOCIATES2317 fl 63dcud Flushing NY 11354 SEATTLE A/A 98103 thing angle attack airplane increases tends take off again course hotter landing worse bounce will going boing boing boing down runway no fun Keep main gear struts vertical landings should improve dramati cally May loops round unless supposed square triangular Ron Van Putte 111 Sleepy Oaks Dr Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 39 higher figure After number flights batteries low bit interference could result suddenly-dead receiver Using long extension cords six seven servos seems asking trouble Since model probably needs additional nose weight would make sense use larger batteries 1 aH 12 aH rating Ferrite beads can also used long extension cords strung red black wires spaced about 10 inches reduce risk interference receiver antenna should kept away extension cords wiring should inspected broken strands solder joints Plugs sockets separated often can additional noise source Forming small parts have vacuumforming small parts Mattel Vac-U-Form toy have become scarce very difficult find Anyone having MonoKote heat gun can get similar results stretchmolding parts made ABS plastic styrene mold carved balsa sanded given serveral coats polyester resin harden surface sanded smooth convenience mold should fastened end hardwood dowel square strip can mounted securely vise otherwise held vertical position molding surface facing upward plastic sheet formed fastened masking tape piece plywood has hole near its center larger mold heat guns warms plastic until begins sag plastic side down plywood holder pressed down over mold held plastic cools After trimming edges part complete best results plywood holder should have hole similar outline mold shape somewhat larger need have exact shape shouldnt greatly oversize also helps warm mold heat gun plastic will cool too quickly upon contact mold permits time stretching operation reduces pressure required Most likely parts candi dates needed quantity example 14 18 rocker amil oumps radial-engine cowl Bob Dolly Wischer Rt 1 S-22lLapham Peak Rd Delafield WI 53018 RC Soaring/Pruss Continued page 41 split buddy requests honored pos sible Half fliers say blue-and-white go field other half go field B same other frequencies day two fliers switch fields Communication CR radio Bob claims two contests have allowed flights per contestant have also allowed schedule didnt start flying crack dawn end sunset Nice care details write Bob Steele 10173 St Joe Road Ft Wayne IN 46815 Egg Face Department line retrieval system reported June 1981 issue Model Aviation credited DCRC group Actually version picture built members DCRC original idea belongs members Valley Forge Signal Seekers Inc Tom Greet Ted Davey devel oped original fall 1978 early 1979 Gerry Cavanaugh also sent some details including fact molded wheel/rim shown June issue much better common bicycle spoke wheel Word retrieval units will available commercially can get further information writing Ted Davey 1 Wood Lane Malvern PA 19355 Gerry Cavanaugh 224 Swedesford Road Malvern PA 19355 Touch Class LSF booth Toledo Level Vs dropped pleasantly sur prised saw Level V forms perma nently mounted walnut plaques presented individuals some forms carried tool boxes years helped revive old stories about done stories Level V Chris Adams Ken Batess Pat Flynn Don Harris Good lift Dan Pruss Rt 2 Box 49D Plainfield IL 60544 118 ModelAviation Modified 37 Package $18995 Roper 19 Still best value big-scale engines4995 19 Factory-demo Special 3495 Props 22 24-10 Now Avail Special 19 Eng 5995 NOTE mounts & hubs same price both engines Send check MO. orwili ship COD ups A. g & handinos enoine Send fr, uiries invited ftute 2 aefter fluctuates rapidly seems indicate well over ampere quite load place 500 maH battery pack Air loads control surfaces would increase current draw a
Edition: Model Aviation - 1981/09
Page Numbers: 36, 37, 116, 118
Radio Control Sport Aerobatics Ron Van Putte WHAT Dow Coming Q fuel foaming reducer9 Beats Besides really dont care what its possible get some youre confused youll still less confused baffling problem struck Pattern airplane Supertigre G-60 Bluehead-equipped Phoenix 8 has periodically plagued apparently lean runs attributed variously too lean needle valve setting loose carburetor faulty fuel pump leaky fuel line tank loose back plate bad glow plug spinner rubbing nose cowl clogged fuel filter bad fuel However problem persisted through different engines fuel pumps remem bered what Don Lower said during visit club meeting month ago describing situation sounded much like ended discovery foaming fuel culprit able solve problem using softer mounting setup tank tank installation easy change resort other solutions Before go further lets look bit symptoms problem engine runs hot no matter what needle valve setting will run maximum rpm except first started very frustrating watch engine fry covers wing unburned fuel Sound familiar solution came Fiesta Five Flags Contest Pensacola FL ready line chatting line chief Bob Howze mentioned dreaded flying because knew Doc Edwards performs little surgery throttle BuckerJungmeisterSport Scale entryat Pensacola Fiesta Five Flags Contest 36 Model Aviation Pattern airplane Apparently cause Ed Moorman won Novice class Pensacola Fiesta Five Flags Contest dont often see 2 Sig Kougars Bird Plane ready boxes Pattern meet Sienoer figure white shirt funny hat belongs dieting Master-class flier Steve Helms some unfathomable reason unique custom dustcoveron Don Hawleys KraftKP-7Z transmitter catches lot attention time brings flying field engine would give trouble asked about described problem Luckily encountered same situation found solution went home get some Dow Coming Q foaming reducer solved problem returned added four drops translucent oily-looking stuff gallon fuel virtually tendency foam disappeared engine problem over Thats good news bad news does seem available reason writing find out know rest us can get some product available does good job Apparently Dow Corning makes number foaming reducers starting going up through Q Bob Howze said worked well him Q foaming reducer able get small quantity just after stopped making way Bob said works best model fuels have nitro content about 10% Please let hear anyone can help Out rest us Speaking helping Don Lowe tried help five weeks testing Eglin AFB test range Don several sugges tions improving flying techniques also recommended try flying tuned pipe So picked up OPS muffled pipe Radio South proceeded strap ugly thing beautiful Phoenix 8 easy tune using directions included box pipe engine originally turned 12600 rpm using Macs flow-through muffler swing ing Zingerl 1-7 prop burning home-brew 10% nitro fuel pipe now turns 13700 rpm thats too shabby Some have never used pipe may interested initial impressions about using airplane clearly much faster before vertical performance signifi cantly improved striking change Figure M Top Hat much easier well Youll notice said easier well because always could get respectable scores maneuvers long few small mistakes made However significant pitch heading corrections necessary airplane often ran out airspeed too soon pipe helps situation out lot thing surprised about effects tuned pipe maneuvers much easier looping maneuvers Very little aileron correction required perhaps cause airplane travelling constant speed engine mounted vertically pipe bolted side fuselage above wing Despite ugly blob running down right side fuselage cannot detect significant effects Knife-Edge characteristics expected left rudder would required Continued page 116 CHECK OUT OUR SPORTSCALE 'CLASSICS Careful attention detail ease building quality materials make kits ourfinest NEW LASER 1/4 Scale Scale Sport/Aerobatic 1/2A io Sport ScaleAn outstanding deal n Leo Loudenslagers Laser 200 geared 90 engines ilote Dave Brn laser won $10000 rhia magnificent pre-WW II trainergivea atable predictableTournament Champions prize last year Offered ass nearly pre-built etserobaticerformance Highly detailed preassembled modelsimply add finishing touches youre ready fly p uselageaddato realism takes workout building best available Features Separate detachable wing panels epoxyMilitary decals included No painting required WS 38 glass cowl formed wheelpants hatch & clear canopy Dural landing rea225sqinWt22-24ozEng.O49-1ORadio2-5 gear hardwareand instructionsWS 86 Area 1245sq Wt h PRICE $3495 12-13 lb Eng 91 reduction drive PRICES Builders Kit $19995 Pre-Built $34995 P-63 KING COBRA Scale-Sport-Pylon rhis true sport scale model does double-duty ass quaffermidget racer basicconstruction isslready done foryou including preassembled fuselage & pre-sheeted & sanded foam wing WS 43 Area34Osq Wt 2V2-3 lb Eng 1 5-20 Radio 3-4 Ch Unique removable canopy hatch design Includes photo-instructions PRICE $5995 Wow Schoolyard scale has come age Rotairng retracts require 18O mini servo molded details tough ASA fuselage simple die-cut sheet foam wing balsa tail assemblies P-40 builds quick straight New plastic foam materials perfect new camouflage paints Also includes detailed clear canopy predrilled metal motor mount detailed instructions WS36Area2lssqinWt19-26ozEng 049-1O Radio 2-5 Ch PRICE $3995 0 C L Did know about selection sport compel ition airplanes Send SASE today free catalog Ap Local Dealer May Order Direct Send check money order 554 E FRONTON ST BROWNSVILLE TX 78520 512 541-3867 2 September 1981 37 fine Midwest Jetster2o Dull Dy iiaipn IICCO RI 1V2 ID snewing ioaaing oniyu 02/sq ftlow enough its K&B 35 Axif low RK-208 ducted fan unit make fast snappy performer Photo R Reed F-15 EAGLE Ducted-Fan Twin 40s 1/10 Scale COMING SOON Designed Duane Johnson kit builder want ZLIN Z-50L 1/5 Scale exotic scale performance match thrust weight ratio better 11 machine-cut parts supplied plus hardware clearcanopy Aerobatic Scale Builders Kit Uses RhomAir retracts Designed EAGLE let pumps lavailable Kit will include everything neededal machine-cut balsa/ $4995 eal adaptable other fan units Fantastic performance plywood glass fuse WS 78 Eng 60-90 WS 48 Area 850 sq projected Fuse Lgth 72 Wt 12 lb PRICE $19995 Eng twin 40s Radio 5-6 Ch PRICE $19995 Flying As new installations range check radioand check movement direc tion surfaces engine running everything working perfectly its time test flight trim flight prefer call Onestep handles very well ground As conventional-gear airplanes downwind turns difficult Tracking takeoff excel lent wind lift-off rather rapid cause light wing loading ready 15 full throttle climb-out about 450 angle ground Half throttle provides best cruise outermost holes rudder elevator horns used control response quite gentle classic vertical spiral dive must done deliberately holding down elevator Landings quite slow application back stick increasing throw control sur faces rolls snaps may done Inverted flight possible requires lots forward stick As well being solid stable trainer Onestep will hold its own fun flys can bounced precision landings will loop very tightly need can carry its own weight payload model good first step Schneider Races/Berliner Continued page 35 obviously-faster Passaleva 551 took off just after Biard finished lap expecting blast Englishman Out race soaking Savoia received capsized trials affected glue its propeller wooden laminations began separate Passaleva forced throttle back keep vibration manage able leveL prop somehow hung together 1 hours finished almost two minutes behind winner Biard other Italians well back Biard averaged record 1457 mph Passaleva 1426 mph Zanetti 133 mph Corgnolino 124 mph progress stimulated increasingly com petitive prestigious Schneider Trophy pushed four finishers speeds higher existing record set just year before next racethe seventh series would held Cowes England autumn 1923 would see first serious entry United States end era standard modified produc tion seaplanes would dominate Schneider would race racing aircraft would also second half story would stick memories aviation enthusiasts throughout world because races brought spotlight some exciting pure-speed aircraft would ever seen RC AerobaticsNan Putte Continued page 37 maintain Knife-Edge airplane rolled 900 clockwise didnt happen Surprisingly bit right rudder required last point Four-Point Roll before Does pipe cause fuel consumed Definitely Supertigre G-60 used burn about 10 oz fuel complete Expert class Pattern flight now goes through about 14 oz computes about nine Pattern flights per gallon fuel Its good thing make own fuel bottom line dont like looks fuel consumption piped engine like way makes Expert pattern easier well still dont think benefits warrant use tuned pipe Novice Advanced classes flying field yesterday asked advice experienced flier problem easy solve began wonder werent few experienced fliers out same difficulty mention beginners RC flying What prob lem couldnt keep airplane bounc ing unless performed perfect landing two things wrong landing gear setup either would have caused bouncy landings First airplane sat nose-high landing gear type setup guarantees difficulty landings because wing positive angle attack lift will generated long airplane moving means airplane will attempt take off again its landed hot higher angle airplane sits slower speed will try take off again best way eliminate problem set up airplane fuselage sits parallel runway slightly nose-down nose slightly down lift killed airplane rotates onto nose gear model tends stick runway However excessive nose-down attitude will cause airplane impossible take off smoothly since will difficult rotate nose up until model moving very fast airplane looks like hound scent landings may easy takeoffs will very abrupt second problem flier angled main gear struts back because liked look way Unfortunately gear struts angled hack airplane tends squat landing cause vertical load landing causes strut bend further back up nose gear doesnt same Continued page 118 * 30% STAND OFF SCALE SIZE * 92 WINGSPAN SO IN * WEIGHT 15 21 LBS * FiBERGLAS COWL LFANTS * GuADRA ENGINE * AVAILABLE NOW *PRICE6dOrI95 1/4 Scale d War K #RCQS-7 Plan Set $2495 80A Wingspan 24 Cu Engines Wgt 10% lbs wia radio 3-5 Channels R/C FOKKER TRIPLANE DR-i IIRCQS-e Plan Set $2495 70 Span maneuverable flys limited ares tie ds Prices tor Complete Plans Sub Assembly ano Detailed Parts Lists Add $200 Mailing Tube Send BroChure Details new designs & great thin9s come Send $100 retundable tor information 5 6 Model AVIaTIon THE WORLDS FIRST ADJUSTABLE HAND SANDEREXTRA HANDS THE DUPLICATOR MKI IPat PendingModel Aircraft Covering Tool Just duplicator does followingModel No 36 Pat No 33867271 Creates accurate 180 round patterns last breakthrough hit Toledo edges wings 118 fhru 112in make covering easyMacs Dallas stabs rudders,# 1116 incruments fast novicePasadena shows fuselage etc luded tool ert Duplicates roundsAC Make own Works types angles up 1 v I/ number sizes monokote order direcl $1995 semi-rounds curve patterns intinite covering material . dealer deep 34 oz fiberglass plus $200 shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add foot cottection N J LIND COMPANY youtt wonder got atong them2912 Walker Lee Alamitos CA 90720Distributors inquiries incited U U 1or Outstanding Big Scale Aerobatics r Ohio S SSm 66I0-S6. 0 Dont floater LET YOUR RIG RtRD PL Quadra other similar engine doesnt quite job heres will 37 Cu engine develops almost 4 hp yet weighs pound over Quadra has power pull Byron Pitts straight upwithout prop reduction also takes no space Quadrait will fit entirely inside cowl Nosen D unexposed stripped chain-saw motor engine manufactured USA miniature aircraft use Comes complete ready run year 100% warranty COMPLFT MODIFIED 37 ENGINE Fact" C S HE HEAD LOCK NEW STANDARD III FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES 1ush twist Its kicked onI Still $2932 Push twist its eff 3WIII stj favorite eff weder heavy wr ai wrjwdivctgdd5OG $7 otsw cnact 30 inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPlainsaNJ07444 CARBON FIBER TAPE,,Friends 005 x 125 wideAEROCLUBOF ISRAEL Join us support Write 25ft50 ft100 ft ational & international $895$1495$2695vents Israeli modelers $100 ph 14702 29th Ave SLOPE ASSOCIATES2317 fl 63dcud Flushing NY 11354 SEATTLE A/A 98103 thing angle attack airplane increases tends take off again course hotter landing worse bounce will going boing boing boing down runway no fun Keep main gear struts vertical landings should improve dramati cally May loops round unless supposed square triangular Ron Van Putte 111 Sleepy Oaks Dr Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 39 higher figure After number flights batteries low bit interference could result suddenly-dead receiver Using long extension cords six seven servos seems asking trouble Since model probably needs additional nose weight would make sense use larger batteries 1 aH 12 aH rating Ferrite beads can also used long extension cords strung red black wires spaced about 10 inches reduce risk interference receiver antenna should kept away extension cords wiring should inspected broken strands solder joints Plugs sockets separated often can additional noise source Forming small parts have vacuumforming small parts Mattel Vac-U-Form toy have become scarce very difficult find Anyone having MonoKote heat gun can get similar results stretchmolding parts made ABS plastic styrene mold carved balsa sanded given serveral coats polyester resin harden surface sanded smooth convenience mold should fastened end hardwood dowel square strip can mounted securely vise otherwise held vertical position molding surface facing upward plastic sheet formed fastened masking tape piece plywood has hole near its center larger mold heat guns warms plastic until begins sag plastic side down plywood holder pressed down over mold held plastic cools After trimming edges part complete best results plywood holder should have hole similar outline mold shape somewhat larger need have exact shape shouldnt greatly oversize also helps warm mold heat gun plastic will cool too quickly upon contact mold permits time stretching operation reduces pressure required Most likely parts candi dates needed quantity example 14 18 rocker amil oumps radial-engine cowl Bob Dolly Wischer Rt 1 S-22lLapham Peak Rd Delafield WI 53018 RC Soaring/Pruss Continued page 41 split buddy requests honored pos sible Half fliers say blue-and-white go field other half go field B same other frequencies day two fliers switch fields Communication CR radio Bob claims two contests have allowed flights per contestant have also allowed schedule didnt start flying crack dawn end sunset Nice care details write Bob Steele 10173 St Joe Road Ft Wayne IN 46815 Egg Face Department line retrieval system reported June 1981 issue Model Aviation credited DCRC group Actually version picture built members DCRC original idea belongs members Valley Forge Signal Seekers Inc Tom Greet Ted Davey devel oped original fall 1978 early 1979 Gerry Cavanaugh also sent some details including fact molded wheel/rim shown June issue much better common bicycle spoke wheel Word retrieval units will available commercially can get further information writing Ted Davey 1 Wood Lane Malvern PA 19355 Gerry Cavanaugh 224 Swedesford Road Malvern PA 19355 Touch Class LSF booth Toledo Level Vs dropped pleasantly sur prised saw Level V forms perma nently mounted walnut plaques presented individuals some forms carried tool boxes years helped revive old stories about done stories Level V Chris Adams Ken Batess Pat Flynn Don Harris Good lift Dan Pruss Rt 2 Box 49D Plainfield IL 60544 118 ModelAviation Modified 37 Package $18995 Roper 19 Still best value big-scale engines4995 19 Factory-demo Special 3495 Props 22 24-10 Now Avail Special 19 Eng 5995 NOTE mounts & hubs same price both engines Send check MO. orwili ship COD ups A. g & handinos enoine Send fr, uiries invited ftute 2 aefter fluctuates rapidly seems indicate well over ampere quite load place 500 maH battery pack Air loads control surfaces would increase current draw a