Radio Control SOARING Dan Pruss BACK IN May 1981 issue ofModelAviation plans cutest little Sailplanes ever publishedor designed matter dont usually describe Sailpianes cute was Bob Owens Zephyr Spanning 52 weighing five oz radio designed primarily mini hi-starts hand chucking flying darn near space larger its wingspan small flies well big must fly better Bob now has larger version 99-in wingspan Just like original 99 uses Eppler 387 airfoil section has high strength-to-weight ratio open framework weighs 21 ounces Theres good chance youll see plans near future Big isnt always better Remember TwoMeter World Cup champion last year Don Edberg plane quick Two Meter version standard Sagitta Quick meant cutting wings down two meters cranking extra bit dihedral finding himself winning combination Again year Don found himself eleventh hour last years Two-Meter bird knew upgrade So whats fella Simple Take FAI ships F3B World Championships wing pruning number again will make guys wing-in-a-mold school cringe Thats what did time cut through foam ailerons linkages well figure just what Don cut off Bob Owens could build another Zephyr did Don Larry Jolly covers Two Meter World Cup feature article month well let him tell story Gimmicks Frank Kelly Long Beach CA sent 40 Model Aviation latest design Bob Owens double-sized version ZephyrMA May1981 has 1100 sq wing 99 span Double beam spars permit full power zoom launches 12-volt winches Its real winner Photo Bob Owens Figure 1 B A 1/4 x 3/8 Basswood B 1/16 Piano Wire Dick Allens simple effective inexpensive brake Main purpose make spot landings accurate approach speed excessive Adapts models Don Edbergs latest clipped-wing Sagitta/ Hustler Foam wing spoilers ailerons Las Vegas Two-Meter World Cup Chris Adams needed quick epoxy fix gave glue heat treatment sun magnifying glass worked unusual shot Aquila Aquila Mounting Vivitar motorized 110 camera place canopy Frank held camera place using rubberbands added extra servo uses high throttle trip shutter has mounted camera various ways shoot forward side aft gets optical feedback sees flash go off Lets see now. have man-on-man contest four planes launch first take pictures other three get back Fotomat nab forget gimmicks Dick Allen Endicott NY sends sketch what calls Allen Air Brake Dick calls because air stream top wing forces glider against ground prevents bounce brings stop See Figure 1 skid 1/16 wire pushed 4 x x l piece basswood mounted vertically 1/16 diameter hole drilled up center basswood Dicks Paragon mounted plywood fuselage former wings trailing edge slight bend portion wire goes basswood block prevents wire falling out still allows easy removal trial error Dick found skid length 2 work best Dick also points out negative wing incidence 40 respect ground works will model has high positive wing incidence begin youll have vary skid length accordingly still gimmicks visited Kenn Rolin Sailplane Factory calls business looked over supply hardware kits Most Kenns line hard-to-find items Germany have ever looked Graupner WIK Carrera Robbe kits four different kinds spoilers different styles first reaction probably hardware lengths retractable wheels releasable aero packages gadgets Kenn stocks nearly tow hook mixers bellcranks wing blades items separately Canopy latches Continued page 98 June 198241 Unusual photo Frank Kelly shows released chute behind Aquila Site SULA field Cal State Dominquez Hills Cameras natural Sailpianesno oil vibration #3 #4 #6 #8 SIZE #212 #312 #412 #612 #812 SIZE AMT/BAG #212 #312 #412 #612 #812 Remember Aerotrend source fine modeling hardware also offer complete line wood fiber glass field caddies other acces sories Send SASE free catalog todayDEALERS INVITED ERO TREND PRODUCTS 44W Prospect St New Haven CT06515 POWRWINCH perfect ampanion RETRIEVER Both units use special 4pole permanent nianet low current drain 12 volt ootor design also incurpor ates lightweight bit heavy duty welded painted steel fra features adjustable sotor amting plate insure proper drive tension R NCH has 0 Power handle either r unlimited sonsters anything between noid pro tected foot switch operation ed towline drun cunstruction ruired anti-kiting braking can readily disengaad al drus brake retrieval take-up onntrole 2000 feet braided nylon line tow ribban bell-bearing swivel bearing turnaround hub RETR EVER will eliminate losing turn fruency because long turnaraw tus retrieving lines Line crossings due wind shifts using sultiple winches will ne longer problan Best youll have launch-a--minute capability Other features inclnde -free operation due flycasting onde 0 Battery cables heavy duty clips feet braided nylon line ball bearing swivel Guide line aligmnt takeup imxle nd prevent line tangling drive shaft ORIER DIRECT FFCt4 *DAVEY UPmSYSTEMS CORPORATION ONE WOOD LANEMALVERNPA19355 2151644-0692 engine shafts out end case however shaft want use has left-hand thread prop adapter screws onto shaft locked place two cap screws single li-in prop bolt used con sider marginal size engine props will use certainly call six-bolt hub engine has exceptionally blocky look because cooling shroud cast cylinder along cooling fins shroud cant doing us harm its well worth few ounces adds Despite its size engine easily started handled well another power source well suited larger higher-performance models wish thank following firms cooperation Air Tech PO Box 9044 Little Rock AR 72219 Westbend Contempo Hobby Products 11611 Cantara St North Hollywood CA 91605 Magnum II Dynathrus Props Inc 2541 NE 11th Ct Pompano Beach FL 33062 Grish Bros St John IN 46373 JZ Products 25029 So Vermont Ave Harbor City CA 90710 Zinger Roush Manufacturing PO Box 251 Sandy ville OH 44671 Kioritz Jr Titan Top Flite Models Inc 1901 Narragansett Ave Chicago IL 60639 AMA Building/Mankowski Continued page 39 Futaba Corp America2000 Hobby Publications1500 Donations $1000 K&B Manufacturing Midwest Products Dick McCoy Model Aero nautic Publications Baltek Corp Carl Gold berg Models Great Planes Distributing Co Sullivan Products World Engines Top Flite Models Pica Products Giezendanner USA Sig Manufacturing Sig Manufacturing Du-Bro Prod Inc Sterling Models Donations $500 MRCModel Rectifier Corp Airborne RC Distributors Dave Brown Products Montgomery Signs Sig Manufactur $22500 plus shiring * TRIrtJCItRY PRICES UNTIL JULY 31 1982 ing Co Swiss-Tex Emblems Byron Originals DN Mallory Distributors Inc Grober Co Donations up $100 Nico Engraving Tatone Products Flyline Models Dakon Hob bies Bernies Craft & Hobby Monogram Models JJ Levine & Associates California Hobby Distributors Wooden Specialty Co Pan American Distributors Crown Coca Cola Bottling Co Felix V Bass & Co Inc Polks Hobbies RC Soaring/Pruss Continued page 41 joiner housings metric wire plus linkage myriad catalog will justice catalog also lists imported kits Scale sport F3B slope fliers catalog costs $3 three bucks well spent Send Sailplane Factory Box 341 Red Lion PA 17356 phone 717 244-4508 Ask 1982 catalog item really caught eye set fittings high-start fitting comprised tapered piece resembles small plumb bob little over inch long high-start rubber stretched over larger end secured place short lock ring about 3/16 long hole exposed endof plumb bob ac commodates attach ring staking towline have ever wrapped fitting come loose knot rubber give out gadget answer model builders once awhile runs non-related Soaring item just has passed Ive run three books first two Frank Ebling compilation kit plans darn near everything has come out model box over past several years includes Sailplanes Pattern ships Free Flight Indoor Outdoor Rubber Control Line etc books great browsing through picking up con struction ideas just reminiscing piece-de- resistance isa book called Build98 Model Aviation HARDWARE NEW FOURMOST PRODUCTS! FOURMOST RECOIL TUBING four foot length super-tough fuel-proof urethane tubing pre-formed FOUR-INCH COIL allows placement field box can aconvenientdistancefromyouraircraft boat After use tubing will retract its earlier space-saving form Prlce$3 95 FG xr~ WE HAVE THE FITTING LARGE SOLUTION ORsmallSize 3/32 0Price $200 1 Tee 1 Elbow 1 union 1 PIng Uc T 4040 24th Ave Forest Grove OR 97116 FO URMOST PROD Teiephone 503 357-2732 ing Flying Indoor ModelAirplanes Its Ron Williams contains over 200 illustrations its great Starting simple Indoor Rubber Stick models book runs gamut sophisticated FAI microfilm jobs ever need support argument model building art form publication fulfills need Its book youll leave out coffee table three books available AMA HQ listed AMA Supply Service form comes renewed license Detroit Sno Fli1982 Report just came Warren Tiahrt Contest Director twelfth count emannual winter bash Sixty-two fliers plowed through white stuff hung around three rounds 6 8 8-mm Precision Duration events Only six maxes logged four six minutes two eight Warren called lift marginal some CDs just pussycats Freezing rain qualified body next year however 300 tempera tures about 10 degree warmer Las Vegas Two-Meter bash experienced week earlier Eighteen flew Unlimited 40 Stand ard four Junior- Seniors braved weekend winners Unlimited Class 1 Ray Hayes Bird Time 1099 2 Troy Lawicki Aquila Grande 1062 3 Gordon Pearson Sagitta-XC 1036 Standard Class 1 Eric Tiahrt Aquila 1050 2 Jim Bohmer NA 981 3 John Humphreys Drifter 854 Best Jr-Sr Stevc Rausch Aquila Grande 927 John Humphreys 854 also best performance Two-Meter Sailplane Get ready big Warren Plohr president League Silent Flight nounced details Thirteenth Annual LSF Tournament will year regional meets again 13 areas have selected date two possibilities Events will Precision Durationsix-minute target times two days followed 10-minute targets Seven rounds totalno throw aways 50-point Out landing score Winches 200 meters turnaround launching Classes Unlimited Two-Meter Sport Scale Entry permitted Unlimited Two-Meter plus Scale Sites date Canfield OH Allison Park PA Redmond WA Philadelphia PA Plainfield IL Deseronto Ontario Canada Anaheim CA Chapel Hill TN Richmond VA Lower Michigan Bakersfield CA Fort Worth TX Cape Coral FL Modesto CA Denver CO pending Boston MA pending annual event supports LSF Talk up Good lift Dan Pruss Rt 1 Box 49D Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 45 three five Master class fliers addi tional time required judge Master class fliers wont bad should able have four rounds weekend using two flight lines still have time couple rounds Sport Scale AMA Contest Board decides non-Aresti events dont qualifr official events received letter Bud Wolfe Scottsdale AZ thanked sending him some Sears Filled Epoxy wasnt available area continued following request Since column puts touch modelers perhaps can find someone help problem know its done havent seen construction article Im talking about buried engine extension shaft prop An extension shaft least foot should good enough have experimented some havent much luck Im talking about easily removed rugged unit -in shaft can mount stock prop spinner also want able use starter prop spinner want have use pulley rope flywheel like boat Ive tried boat universals much luck someone could come up Continued page 104 STERLING MODELS Priced Right 82 tRea1 Sporty Kit F538 Wingspan 40-5/16 Scale 2-1/8 ice $4595 For Radio Contrcl Control Line 1525 Engine Piper Vagabond Kit K7 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power PENNY PINCHER Wingspan 13 GET IN ON ALL THE FUN WITH ANY OF THESE NEAT FULL COLOR GLIDERS YOU CAN ASSEMBLE IN JUST MINUTES $198 EACH CHOOSE ANY ONE OR ALL SIX HELLCATCESSNA 180 MUSTANGSABRE JET PIPER CUB T38 THUNDERBIRD Catalog Request STERLING MODELS BUILDING 3620 tG Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed tOn m p Adirpee City tateZip4 June 198299 FUEL LINE PIPING PROBLEM Size 1/1610Price $150 1 Tee 2 Elbows Pen Bladder Tee
Edition: Model Aviation - 1982/06
Page Numbers: 40, 41, 98, 99
Radio Control SOARING Dan Pruss BACK IN May 1981 issue ofModelAviation plans cutest little Sailplanes ever publishedor designed matter dont usually describe Sailpianes cute was Bob Owens Zephyr Spanning 52 weighing five oz radio designed primarily mini hi-starts hand chucking flying darn near space larger its wingspan small flies well big must fly better Bob now has larger version 99-in wingspan Just like original 99 uses Eppler 387 airfoil section has high strength-to-weight ratio open framework weighs 21 ounces Theres good chance youll see plans near future Big isnt always better Remember TwoMeter World Cup champion last year Don Edberg plane quick Two Meter version standard Sagitta Quick meant cutting wings down two meters cranking extra bit dihedral finding himself winning combination Again year Don found himself eleventh hour last years Two-Meter bird knew upgrade So whats fella Simple Take FAI ships F3B World Championships wing pruning number again will make guys wing-in-a-mold school cringe Thats what did time cut through foam ailerons linkages well figure just what Don cut off Bob Owens could build another Zephyr did Don Larry Jolly covers Two Meter World Cup feature article month well let him tell story Gimmicks Frank Kelly Long Beach CA sent 40 Model Aviation latest design Bob Owens double-sized version ZephyrMA May1981 has 1100 sq wing 99 span Double beam spars permit full power zoom launches 12-volt winches Its real winner Photo Bob Owens Figure 1 B A 1/4 x 3/8 Basswood B 1/16 Piano Wire Dick Allens simple effective inexpensive brake Main purpose make spot landings accurate approach speed excessive Adapts models Don Edbergs latest clipped-wing Sagitta/ Hustler Foam wing spoilers ailerons Las Vegas Two-Meter World Cup Chris Adams needed quick epoxy fix gave glue heat treatment sun magnifying glass worked unusual shot Aquila Aquila Mounting Vivitar motorized 110 camera place canopy Frank held camera place using rubberbands added extra servo uses high throttle trip shutter has mounted camera various ways shoot forward side aft gets optical feedback sees flash go off Lets see now. have man-on-man contest four planes launch first take pictures other three get back Fotomat nab forget gimmicks Dick Allen Endicott NY sends sketch what calls Allen Air Brake Dick calls because air stream top wing forces glider against ground prevents bounce brings stop See Figure 1 skid 1/16 wire pushed 4 x x l piece basswood mounted vertically 1/16 diameter hole drilled up center basswood Dicks Paragon mounted plywood fuselage former wings trailing edge slight bend portion wire goes basswood block prevents wire falling out still allows easy removal trial error Dick found skid length 2 work best Dick also points out negative wing incidence 40 respect ground works will model has high positive wing incidence begin youll have vary skid length accordingly still gimmicks visited Kenn Rolin Sailplane Factory calls business looked over supply hardware kits Most Kenns line hard-to-find items Germany have ever looked Graupner WIK Carrera Robbe kits four different kinds spoilers different styles first reaction probably hardware lengths retractable wheels releasable aero packages gadgets Kenn stocks nearly tow hook mixers bellcranks wing blades items separately Canopy latches Continued page 98 June 198241 Unusual photo Frank Kelly shows released chute behind Aquila Site SULA field Cal State Dominquez Hills Cameras natural Sailpianesno oil vibration #3 #4 #6 #8 SIZE #212 #312 #412 #612 #812 SIZE AMT/BAG #212 #312 #412 #612 #812 Remember Aerotrend source fine modeling hardware also offer complete line wood fiber glass field caddies other acces sories Send SASE free catalog todayDEALERS INVITED ERO TREND PRODUCTS 44W Prospect St New Haven CT06515 POWRWINCH perfect ampanion RETRIEVER Both units use special 4pole permanent nianet low current drain 12 volt ootor design also incurpor ates lightweight bit heavy duty welded painted steel fra features adjustable sotor amting plate insure proper drive tension R NCH has 0 Power handle either r unlimited sonsters anything between noid pro tected foot switch operation ed towline drun cunstruction ruired anti-kiting braking can readily disengaad al drus brake retrieval take-up onntrole 2000 feet braided nylon line tow ribban bell-bearing swivel bearing turnaround hub RETR EVER will eliminate losing turn fruency because long turnaraw tus retrieving lines Line crossings due wind shifts using sultiple winches will ne longer problan Best youll have launch-a--minute capability Other features inclnde -free operation due flycasting onde 0 Battery cables heavy duty clips feet braided nylon line ball bearing swivel Guide line aligmnt takeup imxle nd prevent line tangling drive shaft ORIER DIRECT FFCt4 *DAVEY UPmSYSTEMS CORPORATION ONE WOOD LANEMALVERNPA19355 2151644-0692 engine shafts out end case however shaft want use has left-hand thread prop adapter screws onto shaft locked place two cap screws single li-in prop bolt used con sider marginal size engine props will use certainly call six-bolt hub engine has exceptionally blocky look because cooling shroud cast cylinder along cooling fins shroud cant doing us harm its well worth few ounces adds Despite its size engine easily started handled well another power source well suited larger higher-performance models wish thank following firms cooperation Air Tech PO Box 9044 Little Rock AR 72219 Westbend Contempo Hobby Products 11611 Cantara St North Hollywood CA 91605 Magnum II Dynathrus Props Inc 2541 NE 11th Ct Pompano Beach FL 33062 Grish Bros St John IN 46373 JZ Products 25029 So Vermont Ave Harbor City CA 90710 Zinger Roush Manufacturing PO Box 251 Sandy ville OH 44671 Kioritz Jr Titan Top Flite Models Inc 1901 Narragansett Ave Chicago IL 60639 AMA Building/Mankowski Continued page 39 Futaba Corp America2000 Hobby Publications1500 Donations $1000 K&B Manufacturing Midwest Products Dick McCoy Model Aero nautic Publications Baltek Corp Carl Gold berg Models Great Planes Distributing Co Sullivan Products World Engines Top Flite Models Pica Products Giezendanner USA Sig Manufacturing Sig Manufacturing Du-Bro Prod Inc Sterling Models Donations $500 MRCModel Rectifier Corp Airborne RC Distributors Dave Brown Products Montgomery Signs Sig Manufactur $22500 plus shiring * TRIrtJCItRY PRICES UNTIL JULY 31 1982 ing Co Swiss-Tex Emblems Byron Originals DN Mallory Distributors Inc Grober Co Donations up $100 Nico Engraving Tatone Products Flyline Models Dakon Hob bies Bernies Craft & Hobby Monogram Models JJ Levine & Associates California Hobby Distributors Wooden Specialty Co Pan American Distributors Crown Coca Cola Bottling Co Felix V Bass & Co Inc Polks Hobbies RC Soaring/Pruss Continued page 41 joiner housings metric wire plus linkage myriad catalog will justice catalog also lists imported kits Scale sport F3B slope fliers catalog costs $3 three bucks well spent Send Sailplane Factory Box 341 Red Lion PA 17356 phone 717 244-4508 Ask 1982 catalog item really caught eye set fittings high-start fitting comprised tapered piece resembles small plumb bob little over inch long high-start rubber stretched over larger end secured place short lock ring about 3/16 long hole exposed endof plumb bob ac commodates attach ring staking towline have ever wrapped fitting come loose knot rubber give out gadget answer model builders once awhile runs non-related Soaring item just has passed Ive run three books first two Frank Ebling compilation kit plans darn near everything has come out model box over past several years includes Sailplanes Pattern ships Free Flight Indoor Outdoor Rubber Control Line etc books great browsing through picking up con struction ideas just reminiscing piece-de- resistance isa book called Build98 Model Aviation HARDWARE NEW FOURMOST PRODUCTS! FOURMOST RECOIL TUBING four foot length super-tough fuel-proof urethane tubing pre-formed FOUR-INCH COIL allows placement field box can aconvenientdistancefromyouraircraft boat After use tubing will retract its earlier space-saving form Prlce$3 95 FG xr~ WE HAVE THE FITTING LARGE SOLUTION ORsmallSize 3/32 0Price $200 1 Tee 1 Elbow 1 union 1 PIng Uc T 4040 24th Ave Forest Grove OR 97116 FO URMOST PROD Teiephone 503 357-2732 ing Flying Indoor ModelAirplanes Its Ron Williams contains over 200 illustrations its great Starting simple Indoor Rubber Stick models book runs gamut sophisticated FAI microfilm jobs ever need support argument model building art form publication fulfills need Its book youll leave out coffee table three books available AMA HQ listed AMA Supply Service form comes renewed license Detroit Sno Fli1982 Report just came Warren Tiahrt Contest Director twelfth count emannual winter bash Sixty-two fliers plowed through white stuff hung around three rounds 6 8 8-mm Precision Duration events Only six maxes logged four six minutes two eight Warren called lift marginal some CDs just pussycats Freezing rain qualified body next year however 300 tempera tures about 10 degree warmer Las Vegas Two-Meter bash experienced week earlier Eighteen flew Unlimited 40 Stand ard four Junior- Seniors braved weekend winners Unlimited Class 1 Ray Hayes Bird Time 1099 2 Troy Lawicki Aquila Grande 1062 3 Gordon Pearson Sagitta-XC 1036 Standard Class 1 Eric Tiahrt Aquila 1050 2 Jim Bohmer NA 981 3 John Humphreys Drifter 854 Best Jr-Sr Stevc Rausch Aquila Grande 927 John Humphreys 854 also best performance Two-Meter Sailplane Get ready big Warren Plohr president League Silent Flight nounced details Thirteenth Annual LSF Tournament will year regional meets again 13 areas have selected date two possibilities Events will Precision Durationsix-minute target times two days followed 10-minute targets Seven rounds totalno throw aways 50-point Out landing score Winches 200 meters turnaround launching Classes Unlimited Two-Meter Sport Scale Entry permitted Unlimited Two-Meter plus Scale Sites date Canfield OH Allison Park PA Redmond WA Philadelphia PA Plainfield IL Deseronto Ontario Canada Anaheim CA Chapel Hill TN Richmond VA Lower Michigan Bakersfield CA Fort Worth TX Cape Coral FL Modesto CA Denver CO pending Boston MA pending annual event supports LSF Talk up Good lift Dan Pruss Rt 1 Box 49D Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 45 three five Master class fliers addi tional time required judge Master class fliers wont bad should able have four rounds weekend using two flight lines still have time couple rounds Sport Scale AMA Contest Board decides non-Aresti events dont qualifr official events received letter Bud Wolfe Scottsdale AZ thanked sending him some Sears Filled Epoxy wasnt available area continued following request Since column puts touch modelers perhaps can find someone help problem know its done havent seen construction article Im talking about buried engine extension shaft prop An extension shaft least foot should good enough have experimented some havent much luck Im talking about easily removed rugged unit -in shaft can mount stock prop spinner also want able use starter prop spinner want have use pulley rope flywheel like boat Ive tried boat universals much luck someone could come up Continued page 104 STERLING MODELS Priced Right 82 tRea1 Sporty Kit F538 Wingspan 40-5/16 Scale 2-1/8 ice $4595 For Radio Contrcl Control Line 1525 Engine Piper Vagabond Kit K7 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power PENNY PINCHER Wingspan 13 GET IN ON ALL THE FUN WITH ANY OF THESE NEAT FULL COLOR GLIDERS YOU CAN ASSEMBLE IN JUST MINUTES $198 EACH CHOOSE ANY ONE OR ALL SIX HELLCATCESSNA 180 MUSTANGSABRE JET PIPER CUB T38 THUNDERBIRD Catalog Request STERLING MODELS BUILDING 3620 tG Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed tOn m p Adirpee City tateZip4 June 198299 FUEL LINE PIPING PROBLEM Size 1/1610Price $150 1 Tee 2 Elbows Pen Bladder Tee
Edition: Model Aviation - 1982/06
Page Numbers: 40, 41, 98, 99
Radio Control SOARING Dan Pruss BACK IN May 1981 issue ofModelAviation plans cutest little Sailplanes ever publishedor designed matter dont usually describe Sailpianes cute was Bob Owens Zephyr Spanning 52 weighing five oz radio designed primarily mini hi-starts hand chucking flying darn near space larger its wingspan small flies well big must fly better Bob now has larger version 99-in wingspan Just like original 99 uses Eppler 387 airfoil section has high strength-to-weight ratio open framework weighs 21 ounces Theres good chance youll see plans near future Big isnt always better Remember TwoMeter World Cup champion last year Don Edberg plane quick Two Meter version standard Sagitta Quick meant cutting wings down two meters cranking extra bit dihedral finding himself winning combination Again year Don found himself eleventh hour last years Two-Meter bird knew upgrade So whats fella Simple Take FAI ships F3B World Championships wing pruning number again will make guys wing-in-a-mold school cringe Thats what did time cut through foam ailerons linkages well figure just what Don cut off Bob Owens could build another Zephyr did Don Larry Jolly covers Two Meter World Cup feature article month well let him tell story Gimmicks Frank Kelly Long Beach CA sent 40 Model Aviation latest design Bob Owens double-sized version ZephyrMA May1981 has 1100 sq wing 99 span Double beam spars permit full power zoom launches 12-volt winches Its real winner Photo Bob Owens Figure 1 B A 1/4 x 3/8 Basswood B 1/16 Piano Wire Dick Allens simple effective inexpensive brake Main purpose make spot landings accurate approach speed excessive Adapts models Don Edbergs latest clipped-wing Sagitta/ Hustler Foam wing spoilers ailerons Las Vegas Two-Meter World Cup Chris Adams needed quick epoxy fix gave glue heat treatment sun magnifying glass worked unusual shot Aquila Aquila Mounting Vivitar motorized 110 camera place canopy Frank held camera place using rubberbands added extra servo uses high throttle trip shutter has mounted camera various ways shoot forward side aft gets optical feedback sees flash go off Lets see now. have man-on-man contest four planes launch first take pictures other three get back Fotomat nab forget gimmicks Dick Allen Endicott NY sends sketch what calls Allen Air Brake Dick calls because air stream top wing forces glider against ground prevents bounce brings stop See Figure 1 skid 1/16 wire pushed 4 x x l piece basswood mounted vertically 1/16 diameter hole drilled up center basswood Dicks Paragon mounted plywood fuselage former wings trailing edge slight bend portion wire goes basswood block prevents wire falling out still allows easy removal trial error Dick found skid length 2 work best Dick also points out negative wing incidence 40 respect ground works will model has high positive wing incidence begin youll have vary skid length accordingly still gimmicks visited Kenn Rolin Sailplane Factory calls business looked over supply hardware kits Most Kenns line hard-to-find items Germany have ever looked Graupner WIK Carrera Robbe kits four different kinds spoilers different styles first reaction probably hardware lengths retractable wheels releasable aero packages gadgets Kenn stocks nearly tow hook mixers bellcranks wing blades items separately Canopy latches Continued page 98 June 198241 Unusual photo Frank Kelly shows released chute behind Aquila Site SULA field Cal State Dominquez Hills Cameras natural Sailpianesno oil vibration #3 #4 #6 #8 SIZE #212 #312 #412 #612 #812 SIZE AMT/BAG #212 #312 #412 #612 #812 Remember Aerotrend source fine modeling hardware also offer complete line wood fiber glass field caddies other acces sories Send SASE free catalog todayDEALERS INVITED ERO TREND PRODUCTS 44W Prospect St New Haven CT06515 POWRWINCH perfect ampanion RETRIEVER Both units use special 4pole permanent nianet low current drain 12 volt ootor design also incurpor ates lightweight bit heavy duty welded painted steel fra features adjustable sotor amting plate insure proper drive tension R NCH has 0 Power handle either r unlimited sonsters anything between noid pro tected foot switch operation ed towline drun cunstruction ruired anti-kiting braking can readily disengaad al drus brake retrieval take-up onntrole 2000 feet braided nylon line tow ribban bell-bearing swivel bearing turnaround hub RETR EVER will eliminate losing turn fruency because long turnaraw tus retrieving lines Line crossings due wind shifts using sultiple winches will ne longer problan Best youll have launch-a--minute capability Other features inclnde -free operation due flycasting onde 0 Battery cables heavy duty clips feet braided nylon line ball bearing swivel Guide line aligmnt takeup imxle nd prevent line tangling drive shaft ORIER DIRECT FFCt4 *DAVEY UPmSYSTEMS CORPORATION ONE WOOD LANEMALVERNPA19355 2151644-0692 engine shafts out end case however shaft want use has left-hand thread prop adapter screws onto shaft locked place two cap screws single li-in prop bolt used con sider marginal size engine props will use certainly call six-bolt hub engine has exceptionally blocky look because cooling shroud cast cylinder along cooling fins shroud cant doing us harm its well worth few ounces adds Despite its size engine easily started handled well another power source well suited larger higher-performance models wish thank following firms cooperation Air Tech PO Box 9044 Little Rock AR 72219 Westbend Contempo Hobby Products 11611 Cantara St North Hollywood CA 91605 Magnum II Dynathrus Props Inc 2541 NE 11th Ct Pompano Beach FL 33062 Grish Bros St John IN 46373 JZ Products 25029 So Vermont Ave Harbor City CA 90710 Zinger Roush Manufacturing PO Box 251 Sandy ville OH 44671 Kioritz Jr Titan Top Flite Models Inc 1901 Narragansett Ave Chicago IL 60639 AMA Building/Mankowski Continued page 39 Futaba Corp America2000 Hobby Publications1500 Donations $1000 K&B Manufacturing Midwest Products Dick McCoy Model Aero nautic Publications Baltek Corp Carl Gold berg Models Great Planes Distributing Co Sullivan Products World Engines Top Flite Models Pica Products Giezendanner USA Sig Manufacturing Sig Manufacturing Du-Bro Prod Inc Sterling Models Donations $500 MRCModel Rectifier Corp Airborne RC Distributors Dave Brown Products Montgomery Signs Sig Manufactur $22500 plus shiring * TRIrtJCItRY PRICES UNTIL JULY 31 1982 ing Co Swiss-Tex Emblems Byron Originals DN Mallory Distributors Inc Grober Co Donations up $100 Nico Engraving Tatone Products Flyline Models Dakon Hob bies Bernies Craft & Hobby Monogram Models JJ Levine & Associates California Hobby Distributors Wooden Specialty Co Pan American Distributors Crown Coca Cola Bottling Co Felix V Bass & Co Inc Polks Hobbies RC Soaring/Pruss Continued page 41 joiner housings metric wire plus linkage myriad catalog will justice catalog also lists imported kits Scale sport F3B slope fliers catalog costs $3 three bucks well spent Send Sailplane Factory Box 341 Red Lion PA 17356 phone 717 244-4508 Ask 1982 catalog item really caught eye set fittings high-start fitting comprised tapered piece resembles small plumb bob little over inch long high-start rubber stretched over larger end secured place short lock ring about 3/16 long hole exposed endof plumb bob ac commodates attach ring staking towline have ever wrapped fitting come loose knot rubber give out gadget answer model builders once awhile runs non-related Soaring item just has passed Ive run three books first two Frank Ebling compilation kit plans darn near everything has come out model box over past several years includes Sailplanes Pattern ships Free Flight Indoor Outdoor Rubber Control Line etc books great browsing through picking up con struction ideas just reminiscing piece-de- resistance isa book called Build98 Model Aviation HARDWARE NEW FOURMOST PRODUCTS! FOURMOST RECOIL TUBING four foot length super-tough fuel-proof urethane tubing pre-formed FOUR-INCH COIL allows placement field box can aconvenientdistancefromyouraircraft boat After use tubing will retract its earlier space-saving form Prlce$3 95 FG xr~ WE HAVE THE FITTING LARGE SOLUTION ORsmallSize 3/32 0Price $200 1 Tee 1 Elbow 1 union 1 PIng Uc T 4040 24th Ave Forest Grove OR 97116 FO URMOST PROD Teiephone 503 357-2732 ing Flying Indoor ModelAirplanes Its Ron Williams contains over 200 illustrations its great Starting simple Indoor Rubber Stick models book runs gamut sophisticated FAI microfilm jobs ever need support argument model building art form publication fulfills need Its book youll leave out coffee table three books available AMA HQ listed AMA Supply Service form comes renewed license Detroit Sno Fli1982 Report just came Warren Tiahrt Contest Director twelfth count emannual winter bash Sixty-two fliers plowed through white stuff hung around three rounds 6 8 8-mm Precision Duration events Only six maxes logged four six minutes two eight Warren called lift marginal some CDs just pussycats Freezing rain qualified body next year however 300 tempera tures about 10 degree warmer Las Vegas Two-Meter bash experienced week earlier Eighteen flew Unlimited 40 Stand ard four Junior- Seniors braved weekend winners Unlimited Class 1 Ray Hayes Bird Time 1099 2 Troy Lawicki Aquila Grande 1062 3 Gordon Pearson Sagitta-XC 1036 Standard Class 1 Eric Tiahrt Aquila 1050 2 Jim Bohmer NA 981 3 John Humphreys Drifter 854 Best Jr-Sr Stevc Rausch Aquila Grande 927 John Humphreys 854 also best performance Two-Meter Sailplane Get ready big Warren Plohr president League Silent Flight nounced details Thirteenth Annual LSF Tournament will year regional meets again 13 areas have selected date two possibilities Events will Precision Durationsix-minute target times two days followed 10-minute targets Seven rounds totalno throw aways 50-point Out landing score Winches 200 meters turnaround launching Classes Unlimited Two-Meter Sport Scale Entry permitted Unlimited Two-Meter plus Scale Sites date Canfield OH Allison Park PA Redmond WA Philadelphia PA Plainfield IL Deseronto Ontario Canada Anaheim CA Chapel Hill TN Richmond VA Lower Michigan Bakersfield CA Fort Worth TX Cape Coral FL Modesto CA Denver CO pending Boston MA pending annual event supports LSF Talk up Good lift Dan Pruss Rt 1 Box 49D Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 45 three five Master class fliers addi tional time required judge Master class fliers wont bad should able have four rounds weekend using two flight lines still have time couple rounds Sport Scale AMA Contest Board decides non-Aresti events dont qualifr official events received letter Bud Wolfe Scottsdale AZ thanked sending him some Sears Filled Epoxy wasnt available area continued following request Since column puts touch modelers perhaps can find someone help problem know its done havent seen construction article Im talking about buried engine extension shaft prop An extension shaft least foot should good enough have experimented some havent much luck Im talking about easily removed rugged unit -in shaft can mount stock prop spinner also want able use starter prop spinner want have use pulley rope flywheel like boat Ive tried boat universals much luck someone could come up Continued page 104 STERLING MODELS Priced Right 82 tRea1 Sporty Kit F538 Wingspan 40-5/16 Scale 2-1/8 ice $4595 For Radio Contrcl Control Line 1525 Engine Piper Vagabond Kit K7 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power PENNY PINCHER Wingspan 13 GET IN ON ALL THE FUN WITH ANY OF THESE NEAT FULL COLOR GLIDERS YOU CAN ASSEMBLE IN JUST MINUTES $198 EACH CHOOSE ANY ONE OR ALL SIX HELLCATCESSNA 180 MUSTANGSABRE JET PIPER CUB T38 THUNDERBIRD Catalog Request STERLING MODELS BUILDING 3620 tG Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed tOn m p Adirpee City tateZip4 June 198299 FUEL LINE PIPING PROBLEM Size 1/1610Price $150 1 Tee 2 Elbows Pen Bladder Tee
Edition: Model Aviation - 1982/06
Page Numbers: 40, 41, 98, 99
Radio Control SOARING Dan Pruss BACK IN May 1981 issue ofModelAviation plans cutest little Sailplanes ever publishedor designed matter dont usually describe Sailpianes cute was Bob Owens Zephyr Spanning 52 weighing five oz radio designed primarily mini hi-starts hand chucking flying darn near space larger its wingspan small flies well big must fly better Bob now has larger version 99-in wingspan Just like original 99 uses Eppler 387 airfoil section has high strength-to-weight ratio open framework weighs 21 ounces Theres good chance youll see plans near future Big isnt always better Remember TwoMeter World Cup champion last year Don Edberg plane quick Two Meter version standard Sagitta Quick meant cutting wings down two meters cranking extra bit dihedral finding himself winning combination Again year Don found himself eleventh hour last years Two-Meter bird knew upgrade So whats fella Simple Take FAI ships F3B World Championships wing pruning number again will make guys wing-in-a-mold school cringe Thats what did time cut through foam ailerons linkages well figure just what Don cut off Bob Owens could build another Zephyr did Don Larry Jolly covers Two Meter World Cup feature article month well let him tell story Gimmicks Frank Kelly Long Beach CA sent 40 Model Aviation latest design Bob Owens double-sized version ZephyrMA May1981 has 1100 sq wing 99 span Double beam spars permit full power zoom launches 12-volt winches Its real winner Photo Bob Owens Figure 1 B A 1/4 x 3/8 Basswood B 1/16 Piano Wire Dick Allens simple effective inexpensive brake Main purpose make spot landings accurate approach speed excessive Adapts models Don Edbergs latest clipped-wing Sagitta/ Hustler Foam wing spoilers ailerons Las Vegas Two-Meter World Cup Chris Adams needed quick epoxy fix gave glue heat treatment sun magnifying glass worked unusual shot Aquila Aquila Mounting Vivitar motorized 110 camera place canopy Frank held camera place using rubberbands added extra servo uses high throttle trip shutter has mounted camera various ways shoot forward side aft gets optical feedback sees flash go off Lets see now. have man-on-man contest four planes launch first take pictures other three get back Fotomat nab forget gimmicks Dick Allen Endicott NY sends sketch what calls Allen Air Brake Dick calls because air stream top wing forces glider against ground prevents bounce brings stop See Figure 1 skid 1/16 wire pushed 4 x x l piece basswood mounted vertically 1/16 diameter hole drilled up center basswood Dicks Paragon mounted plywood fuselage former wings trailing edge slight bend portion wire goes basswood block prevents wire falling out still allows easy removal trial error Dick found skid length 2 work best Dick also points out negative wing incidence 40 respect ground works will model has high positive wing incidence begin youll have vary skid length accordingly still gimmicks visited Kenn Rolin Sailplane Factory calls business looked over supply hardware kits Most Kenns line hard-to-find items Germany have ever looked Graupner WIK Carrera Robbe kits four different kinds spoilers different styles first reaction probably hardware lengths retractable wheels releasable aero packages gadgets Kenn stocks nearly tow hook mixers bellcranks wing blades items separately Canopy latches Continued page 98 June 198241 Unusual photo Frank Kelly shows released chute behind Aquila Site SULA field Cal State Dominquez Hills Cameras natural Sailpianesno oil vibration #3 #4 #6 #8 SIZE #212 #312 #412 #612 #812 SIZE AMT/BAG #212 #312 #412 #612 #812 Remember Aerotrend source fine modeling hardware also offer complete line wood fiber glass field caddies other acces sories Send SASE free catalog todayDEALERS INVITED ERO TREND PRODUCTS 44W Prospect St New Haven CT06515 POWRWINCH perfect ampanion RETRIEVER Both units use special 4pole permanent nianet low current drain 12 volt ootor design also incurpor ates lightweight bit heavy duty welded painted steel fra features adjustable sotor amting plate insure proper drive tension R NCH has 0 Power handle either r unlimited sonsters anything between noid pro tected foot switch operation ed towline drun cunstruction ruired anti-kiting braking can readily disengaad al drus brake retrieval take-up onntrole 2000 feet braided nylon line tow ribban bell-bearing swivel bearing turnaround hub RETR EVER will eliminate losing turn fruency because long turnaraw tus retrieving lines Line crossings due wind shifts using sultiple winches will ne longer problan Best youll have launch-a--minute capability Other features inclnde -free operation due flycasting onde 0 Battery cables heavy duty clips feet braided nylon line ball bearing swivel Guide line aligmnt takeup imxle nd prevent line tangling drive shaft ORIER DIRECT FFCt4 *DAVEY UPmSYSTEMS CORPORATION ONE WOOD LANEMALVERNPA19355 2151644-0692 engine shafts out end case however shaft want use has left-hand thread prop adapter screws onto shaft locked place two cap screws single li-in prop bolt used con sider marginal size engine props will use certainly call six-bolt hub engine has exceptionally blocky look because cooling shroud cast cylinder along cooling fins shroud cant doing us harm its well worth few ounces adds Despite its size engine easily started handled well another power source well suited larger higher-performance models wish thank following firms cooperation Air Tech PO Box 9044 Little Rock AR 72219 Westbend Contempo Hobby Products 11611 Cantara St North Hollywood CA 91605 Magnum II Dynathrus Props Inc 2541 NE 11th Ct Pompano Beach FL 33062 Grish Bros St John IN 46373 JZ Products 25029 So Vermont Ave Harbor City CA 90710 Zinger Roush Manufacturing PO Box 251 Sandy ville OH 44671 Kioritz Jr Titan Top Flite Models Inc 1901 Narragansett Ave Chicago IL 60639 AMA Building/Mankowski Continued page 39 Futaba Corp America2000 Hobby Publications1500 Donations $1000 K&B Manufacturing Midwest Products Dick McCoy Model Aero nautic Publications Baltek Corp Carl Gold berg Models Great Planes Distributing Co Sullivan Products World Engines Top Flite Models Pica Products Giezendanner USA Sig Manufacturing Sig Manufacturing Du-Bro Prod Inc Sterling Models Donations $500 MRCModel Rectifier Corp Airborne RC Distributors Dave Brown Products Montgomery Signs Sig Manufactur $22500 plus shiring * TRIrtJCItRY PRICES UNTIL JULY 31 1982 ing Co Swiss-Tex Emblems Byron Originals DN Mallory Distributors Inc Grober Co Donations up $100 Nico Engraving Tatone Products Flyline Models Dakon Hob bies Bernies Craft & Hobby Monogram Models JJ Levine & Associates California Hobby Distributors Wooden Specialty Co Pan American Distributors Crown Coca Cola Bottling Co Felix V Bass & Co Inc Polks Hobbies RC Soaring/Pruss Continued page 41 joiner housings metric wire plus linkage myriad catalog will justice catalog also lists imported kits Scale sport F3B slope fliers catalog costs $3 three bucks well spent Send Sailplane Factory Box 341 Red Lion PA 17356 phone 717 244-4508 Ask 1982 catalog item really caught eye set fittings high-start fitting comprised tapered piece resembles small plumb bob little over inch long high-start rubber stretched over larger end secured place short lock ring about 3/16 long hole exposed endof plumb bob ac commodates attach ring staking towline have ever wrapped fitting come loose knot rubber give out gadget answer model builders once awhile runs non-related Soaring item just has passed Ive run three books first two Frank Ebling compilation kit plans darn near everything has come out model box over past several years includes Sailplanes Pattern ships Free Flight Indoor Outdoor Rubber Control Line etc books great browsing through picking up con struction ideas just reminiscing piece-de- resistance isa book called Build98 Model Aviation HARDWARE NEW FOURMOST PRODUCTS! FOURMOST RECOIL TUBING four foot length super-tough fuel-proof urethane tubing pre-formed FOUR-INCH COIL allows placement field box can aconvenientdistancefromyouraircraft boat After use tubing will retract its earlier space-saving form Prlce$3 95 FG xr~ WE HAVE THE FITTING LARGE SOLUTION ORsmallSize 3/32 0Price $200 1 Tee 1 Elbow 1 union 1 PIng Uc T 4040 24th Ave Forest Grove OR 97116 FO URMOST PROD Teiephone 503 357-2732 ing Flying Indoor ModelAirplanes Its Ron Williams contains over 200 illustrations its great Starting simple Indoor Rubber Stick models book runs gamut sophisticated FAI microfilm jobs ever need support argument model building art form publication fulfills need Its book youll leave out coffee table three books available AMA HQ listed AMA Supply Service form comes renewed license Detroit Sno Fli1982 Report just came Warren Tiahrt Contest Director twelfth count emannual winter bash Sixty-two fliers plowed through white stuff hung around three rounds 6 8 8-mm Precision Duration events Only six maxes logged four six minutes two eight Warren called lift marginal some CDs just pussycats Freezing rain qualified body next year however 300 tempera tures about 10 degree warmer Las Vegas Two-Meter bash experienced week earlier Eighteen flew Unlimited 40 Stand ard four Junior- Seniors braved weekend winners Unlimited Class 1 Ray Hayes Bird Time 1099 2 Troy Lawicki Aquila Grande 1062 3 Gordon Pearson Sagitta-XC 1036 Standard Class 1 Eric Tiahrt Aquila 1050 2 Jim Bohmer NA 981 3 John Humphreys Drifter 854 Best Jr-Sr Stevc Rausch Aquila Grande 927 John Humphreys 854 also best performance Two-Meter Sailplane Get ready big Warren Plohr president League Silent Flight nounced details Thirteenth Annual LSF Tournament will year regional meets again 13 areas have selected date two possibilities Events will Precision Durationsix-minute target times two days followed 10-minute targets Seven rounds totalno throw aways 50-point Out landing score Winches 200 meters turnaround launching Classes Unlimited Two-Meter Sport Scale Entry permitted Unlimited Two-Meter plus Scale Sites date Canfield OH Allison Park PA Redmond WA Philadelphia PA Plainfield IL Deseronto Ontario Canada Anaheim CA Chapel Hill TN Richmond VA Lower Michigan Bakersfield CA Fort Worth TX Cape Coral FL Modesto CA Denver CO pending Boston MA pending annual event supports LSF Talk up Good lift Dan Pruss Rt 1 Box 49D Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 45 three five Master class fliers addi tional time required judge Master class fliers wont bad should able have four rounds weekend using two flight lines still have time couple rounds Sport Scale AMA Contest Board decides non-Aresti events dont qualifr official events received letter Bud Wolfe Scottsdale AZ thanked sending him some Sears Filled Epoxy wasnt available area continued following request Since column puts touch modelers perhaps can find someone help problem know its done havent seen construction article Im talking about buried engine extension shaft prop An extension shaft least foot should good enough have experimented some havent much luck Im talking about easily removed rugged unit -in shaft can mount stock prop spinner also want able use starter prop spinner want have use pulley rope flywheel like boat Ive tried boat universals much luck someone could come up Continued page 104 STERLING MODELS Priced Right 82 tRea1 Sporty Kit F538 Wingspan 40-5/16 Scale 2-1/8 ice $4595 For Radio Contrcl Control Line 1525 Engine Piper Vagabond Kit K7 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power PENNY PINCHER Wingspan 13 GET IN ON ALL THE FUN WITH ANY OF THESE NEAT FULL COLOR GLIDERS YOU CAN ASSEMBLE IN JUST MINUTES $198 EACH CHOOSE ANY ONE OR ALL SIX HELLCATCESSNA 180 MUSTANGSABRE JET PIPER CUB T38 THUNDERBIRD Catalog Request STERLING MODELS BUILDING 3620 tG Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed tOn m p Adirpee City tateZip4 June 198299 FUEL LINE PIPING PROBLEM Size 1/1610Price $150 1 Tee 2 Elbows Pen Bladder Tee