Radio Control Helicopters Larry Jolly READ ON because month will cover recent Toledo show take look John Gorhams biggest project Starting next month am initiating new division column devoted novice Helicopter flier having problems have specific questions please write questions will form bulk material new section Toledo 1985 Once again took part mass exodus Toledo OH see firsthand new products made just hobby consumer customary manufactur ers show latest designs year certainly followed precedent counted no fewer five new machines several new fuselages rotor heads Instead going through manufac turers line will discuss highlights come mind visit Miniature Aircraft booth proved Dieter Schluter has very busy past Dieter has shown us prefers market machines modular concept designs set mechanics markets sport cabin designs several fuselages rotor heads complement basic unit year machine called Champion shows much what would expect Schluter design also encompasses some new concepts seen before company knowledge Champion Dieters first rugged Again plan report in-depth machine utilize movable swashplate future issue collective pitch achieved Gorham Model Products showed changing swashplates position verti- well-established line OMP/Hirobo sport cally rather via usual method models well own Jet Ranger sliding wire grooved shaft Hughes 500 fuselages GMP Cobra both methods work moving Also shown Hirobos new Agusta 109 swashplate simplffies collective mixing DDF rotorhead blade arm makes multi-bladed Johns booth saw best pitch gauge heads snap suspect have ever seen John intends market reason Champion sports style proves universally acceptable collective-pitch mechanism see works other designs As soon accessories also include some very nice can get access Ill cover method multi-bladed heads Champion also using pitch gauge sports underslung flybar single Morley Helicopters England blade-axle passing through yoke Ill now available frn Morley Southeast cover Champion in-depth future market Hughes 300 Bell 47 issue Also shown scale fuselages Agusta 1091 believe Morley MBB BKl 17 Long Ranger designs 40-size engines little California Model Imports showed Agusta sports retracts looks very good new 60-size sport aerobatic design known have ordered Ill keep posted Fox uses components details well-known R-22 design including Apparently World Helicopters Ques transmission main frames tail boom tar nearly box should also sports new Bell-Hiller head available soon cooling system stylish cabin Hobby Shack now imports Kavan machine appears well thought out Continued page 141 Soviet Mu 24 HInd D gunship 3-view model form Gorham Model Products crew stands behind monster model R show Its size left John Gorham flies cloudy afternoon 75-pound machine prototype target drone US armed forces DO know Larry does model building flying Airwoif TV show dont thinks RC Airwoif model must most-seen RC model world used show last season details about column month July1985 51 RC Helicopters/Jolly Continued page 51 line look forward seeing something new Toledo saw several Scale machines static competition no less four Airwolf/Heim 22s very nice Jet Ranger excellent Hind Mil 24d constructed Mike Robbins Toledo always great show year no exception wish would move later year cold weather something else months photos During recent visit OMP able view new prototype Gorham MF-1 target drone machine 10-ft-long range word awesome Intended training aid armed services drone features 22-hp engine weighs 75 pounds fuselage one-fifth scale Mu 24 Hind D typical type operated Soviets As can seen photos MF-l fliesand does very well Im sure wish John well projectand way dont look local hobby shop month also have some pictures personal Airwolf model fea tures own fiberglass fuselage Heim retracts GMP Competitor mechanics rotorhead prototype flybarless design GMP engine OS 60 FSR-H has proved excel lent power li-lb machine particular model has approximately 40 hours failures speaks well components used off-the-shelf items months three-view large Soviet military helicopter design Mil 24 goes back late Sixties United States already realizing potential armed military machine Indeed era Bell came up successful Cobra design Soviets took little longer get gunship service Hind D has proved capable dealing machines Mil 24 very large 56 ft length also very fast Hind cruises 175 mph range holds two world speed records its class Because Hind features articulated rotorhead nimble its US counterparts can however transport squad eight troops scene battle offer standoff protection well definite tankbusting capabilities no wonder NATO concerned rapid develop ment deployment formidable weapon no kit Hind D however have one-twelth scale fuselage available youre planning conquest western Europe BCNU Lariy Jolly 5501 W Como Santa Ana CA 92703 WART Program/Bennett Continued page 54 wing area taken straight plans consider portion wing either passing through fuselage blanketed fuselage high wing Count area sticking out breeze area given square feet multiply 144 convert square inches airframe weight includes absolutely everything carried aloft exception rubber convert ounces grams multiply 29 Usually given plans accompanying article can worked out see Nitty-Gritty glide ratio consists distance traveled horizontally foot verti cal drop Imagine test-gliding finished well-trimmed model height 6 ft launch perfect model travels say 18 ft horizontally fore hits ground G 18/6 3 G value reflects two separate qualities lift drag airfoils speeds trim settings us employ lift coefficient pretty close 10 However drag can vary over wide range depending cleanliness configuration also models size models Jumbo Scale size range list configurations cor responding G values given G Table have worked out either using drag coefficient ooncepts have set in-flight observations use table search among configu rations until find something cor responds cleanliness model pick out proper G factor Also see Nitty-Gritty additional G advice Rubber weight R need known point virtues WART program presents automatically wide range rubber motors everything light motor trimming purposes all-out heavyweight motor contest work program assumes possible range rubber weight values between limits 7% 33% have choice concerns increments ofRthat examined queried What step R should enter 5 R values used computation will 5gm apart find best way use feature home-in final answer choosing progressively finer increments design becomes seriously considered choose too fine increment early stages design tends produce avalanche data difficult handle table generated running pro gram supplies estimated duration motor possibility sense can simply choose printout motorduration combination like catch program assumes rubber being used effectively worrying Continued page 144 DGA DESIGNS /0 Full Body Pilot Kit eLightest Pilot available Lifeiike vinyl la tex rubber parts Easy assemble finish eBulid either barnstormer sportsman pilot Kit contains pilot head hands boots helmet cap goggles full templates easy instructions Fuliy positionable & moveable oSome simple sewing required WeightPrice 1/6 Scale2 oz$ 795 lI4Scale4oz$ 995 1/3ScaieSoz*$1695 Weightmay vary depending material used construction DGA DESIGNS Bust Pilot Kit Weight 1/6 Scale 75 oz 1/4 Scale 1Soz 1/3 Scale 225 oz Price 595 795 $1495 sLightest bust pilot available sLifelike vinyl latex rubber parts sEasy assemble finish eBuild either barnstormer sportsman pilot skit contains pilot head helmet cap goggles jacket instructions See deaier order direct Add $100 shipping direct orders Send $100 current cataiog Dealers inquiries invited NYS Residents add 7 percent sales tax Send Check MO Allow 3 weeks check clearSorry-No COD 5 3 NION PNRFORMANCE 0*50 LAUNeNEE CLINERS ENOM CIGNYWEIGOT ALUMINUM NEVERACE CANS Two FULL SIZE PATTERNS TOOK CUOICELLOSTNATEE *ONITIONAL PATTEENN NION tACO ON Sb PACE PICE EBb SOUTOE*STENN P0 NONO tOOLErOB. oENB July1985 141
Edition: Model Aviation - 1985/07
Page Numbers: 51, 141
Radio Control Helicopters Larry Jolly READ ON because month will cover recent Toledo show take look John Gorhams biggest project Starting next month am initiating new division column devoted novice Helicopter flier having problems have specific questions please write questions will form bulk material new section Toledo 1985 Once again took part mass exodus Toledo OH see firsthand new products made just hobby consumer customary manufactur ers show latest designs year certainly followed precedent counted no fewer five new machines several new fuselages rotor heads Instead going through manufac turers line will discuss highlights come mind visit Miniature Aircraft booth proved Dieter Schluter has very busy past Dieter has shown us prefers market machines modular concept designs set mechanics markets sport cabin designs several fuselages rotor heads complement basic unit year machine called Champion shows much what would expect Schluter design also encompasses some new concepts seen before company knowledge Champion Dieters first rugged Again plan report in-depth machine utilize movable swashplate future issue collective pitch achieved Gorham Model Products showed changing swashplates position verti- well-established line OMP/Hirobo sport cally rather via usual method models well own Jet Ranger sliding wire grooved shaft Hughes 500 fuselages GMP Cobra both methods work moving Also shown Hirobos new Agusta 109 swashplate simplffies collective mixing DDF rotorhead blade arm makes multi-bladed Johns booth saw best pitch gauge heads snap suspect have ever seen John intends market reason Champion sports style proves universally acceptable collective-pitch mechanism see works other designs As soon accessories also include some very nice can get access Ill cover method multi-bladed heads Champion also using pitch gauge sports underslung flybar single Morley Helicopters England blade-axle passing through yoke Ill now available frn Morley Southeast cover Champion in-depth future market Hughes 300 Bell 47 issue Also shown scale fuselages Agusta 1091 believe Morley MBB BKl 17 Long Ranger designs 40-size engines little California Model Imports showed Agusta sports retracts looks very good new 60-size sport aerobatic design known have ordered Ill keep posted Fox uses components details well-known R-22 design including Apparently World Helicopters Ques transmission main frames tail boom tar nearly box should also sports new Bell-Hiller head available soon cooling system stylish cabin Hobby Shack now imports Kavan machine appears well thought out Continued page 141 Soviet Mu 24 HInd D gunship 3-view model form Gorham Model Products crew stands behind monster model R show Its size left John Gorham flies cloudy afternoon 75-pound machine prototype target drone US armed forces DO know Larry does model building flying Airwoif TV show dont thinks RC Airwoif model must most-seen RC model world used show last season details about column month July1985 51 RC Helicopters/Jolly Continued page 51 line look forward seeing something new Toledo saw several Scale machines static competition no less four Airwolf/Heim 22s very nice Jet Ranger excellent Hind Mil 24d constructed Mike Robbins Toledo always great show year no exception wish would move later year cold weather something else months photos During recent visit OMP able view new prototype Gorham MF-1 target drone machine 10-ft-long range word awesome Intended training aid armed services drone features 22-hp engine weighs 75 pounds fuselage one-fifth scale Mu 24 Hind D typical type operated Soviets As can seen photos MF-l fliesand does very well Im sure wish John well projectand way dont look local hobby shop month also have some pictures personal Airwolf model fea tures own fiberglass fuselage Heim retracts GMP Competitor mechanics rotorhead prototype flybarless design GMP engine OS 60 FSR-H has proved excel lent power li-lb machine particular model has approximately 40 hours failures speaks well components used off-the-shelf items months three-view large Soviet military helicopter design Mil 24 goes back late Sixties United States already realizing potential armed military machine Indeed era Bell came up successful Cobra design Soviets took little longer get gunship service Hind D has proved capable dealing machines Mil 24 very large 56 ft length also very fast Hind cruises 175 mph range holds two world speed records its class Because Hind features articulated rotorhead nimble its US counterparts can however transport squad eight troops scene battle offer standoff protection well definite tankbusting capabilities no wonder NATO concerned rapid develop ment deployment formidable weapon no kit Hind D however have one-twelth scale fuselage available youre planning conquest western Europe BCNU Lariy Jolly 5501 W Como Santa Ana CA 92703 WART Program/Bennett Continued page 54 wing area taken straight plans consider portion wing either passing through fuselage blanketed fuselage high wing Count area sticking out breeze area given square feet multiply 144 convert square inches airframe weight includes absolutely everything carried aloft exception rubber convert ounces grams multiply 29 Usually given plans accompanying article can worked out see Nitty-Gritty glide ratio consists distance traveled horizontally foot verti cal drop Imagine test-gliding finished well-trimmed model height 6 ft launch perfect model travels say 18 ft horizontally fore hits ground G 18/6 3 G value reflects two separate qualities lift drag airfoils speeds trim settings us employ lift coefficient pretty close 10 However drag can vary over wide range depending cleanliness configuration also models size models Jumbo Scale size range list configurations cor responding G values given G Table have worked out either using drag coefficient ooncepts have set in-flight observations use table search among configu rations until find something cor responds cleanliness model pick out proper G factor Also see Nitty-Gritty additional G advice Rubber weight R need known point virtues WART program presents automatically wide range rubber motors everything light motor trimming purposes all-out heavyweight motor contest work program assumes possible range rubber weight values between limits 7% 33% have choice concerns increments ofRthat examined queried What step R should enter 5 R values used computation will 5gm apart find best way use feature home-in final answer choosing progressively finer increments design becomes seriously considered choose too fine increment early stages design tends produce avalanche data difficult handle table generated running pro gram supplies estimated duration motor possibility sense can simply choose printout motorduration combination like catch program assumes rubber being used effectively worrying Continued page 144 DGA DESIGNS /0 Full Body Pilot Kit eLightest Pilot available Lifeiike vinyl la tex rubber parts Easy assemble finish eBulid either barnstormer sportsman pilot Kit contains pilot head hands boots helmet cap goggles full templates easy instructions Fuliy positionable & moveable oSome simple sewing required WeightPrice 1/6 Scale2 oz$ 795 lI4Scale4oz$ 995 1/3ScaieSoz*$1695 Weightmay vary depending material used construction DGA DESIGNS Bust Pilot Kit Weight 1/6 Scale 75 oz 1/4 Scale 1Soz 1/3 Scale 225 oz Price 595 795 $1495 sLightest bust pilot available sLifelike vinyl latex rubber parts sEasy assemble finish eBuild either barnstormer sportsman pilot skit contains pilot head helmet cap goggles jacket instructions See deaier order direct Add $100 shipping direct orders Send $100 current cataiog Dealers inquiries invited NYS Residents add 7 percent sales tax Send Check MO Allow 3 weeks check clearSorry-No COD 5 3 NION PNRFORMANCE 0*50 LAUNeNEE CLINERS ENOM CIGNYWEIGOT ALUMINUM NEVERACE CANS Two FULL SIZE PATTERNS TOOK CUOICELLOSTNATEE *ONITIONAL PATTEENN NION tACO ON Sb PACE PICE EBb SOUTOE*STENN P0 NONO tOOLErOB. oENB July1985 141