g Wa select thol inity f OH Lded fl1t0 Deltas1nc egular meeflop wida 3lue Con n proc end dy est Ut thi playing ticipated local ball club flying iiei n air show fo outs impetition t times sho th using heir pareni njoyable ctators lo{ all-important storage envelope using envelope record data about motor store motor between flights Stan assured can eliminate unknowns pre dict model performance quite well contest has lost because wrong motor used critical time Bud Tenny Box 545 Richardson TX 75080 FF Old-Timer/Haught continued page 52 type spark plug test engine like its sisters has run Herb required breaking After mounting engine stand filled tank recommended 4to-i fuel mixture unleaded gasoline SAE 70 oil Brown long stroke high torque engine normally swings 14-inch prop 6 8 pitch prop sup ply included 12- 13- 14-inch props following usual practice breaking engine light propeller load bolted 12-6 engine hand started easily after clocking three revolutions using Herbs recommended needle setting 2 turns instruction sheet calls short initial runs 5 10 seconds followed cool ing period since engine very tight found engine would run about 15 seconds stopping its own after couple tanks engine would con tinue run until fuel exhausted ran suggested ten tanks through engine rich settings before taking rpm reading tached engine 6400 rpm 12-6 Powerprop 13-5 Rev Up gave same reading final run 14-5 Rev Up indicated 6100 rpm tests run within 20 minutes ele vation 2150 feet temperature 500 F Part breaking-in done evening Flame exhaust parts suggested potential fire hazard closely cowled installations fact no doubt con tributing development accessory exhaust stacks Herb also has avail able did notice two minor faults engine First no built-in rachet sys tem prevent needle valve setting change vibration problem exist ed original Brown solved installing short piece fuel tubing tween needle valve proper needle valve body second item relation sharp edge cam cut prop drive washer scraping movable point could readily corrected stoning slight radius edge cam cut As engine belonged Herb did anything about very good engine good smooth power ease handling Herb also manufactures stocks complete line accessories ignition engines well made-to-order Hurle man engines both singles twins Herbs catalog nice addition library included appropriate cartoons Better get waiting list can fly Bud McNorgans contest next year Very First Thermal Central Indiana Aeromodelers CIA Informer Magazine editorialists remind us now first thermal resulting thrill derived therefrom Well too long ago remember saw young Don Jenkins get first max O&R 23 Playboy Jr last Sun day will remember scene year. now acne gone 5 oclock Clarence Haught Rt 5 Box 16 Coeur dAlene ID 83814 Acorns/Fridenmaker continued page 53 duced people both kids par ents modeling improved clubs standing within community great time doing Scouts have fun building flying Scout leaders have welcomed activi ties kids didnt have invest time planning prizes given just inexpensive ribbons pur 100 Model Aviation chased Scout supply stores pack contest AMA Medal set Club contest Scout parents proud six-foot trophy club wishing foster com munity acceptance would recom mend approaching local Scout groups may several kids potential future club members parents usually community leaders helps obtain keep flying sites minimize complaints etc doesnt take great deal money time Scouts great bunch kids work larger scale may beneficial AMA leadership investigate Scout modeling program national level PR program aimed age group would certainly fit AMAs Youth Program Scout hundred hooked models return would well worth invest ment R ocketeer Lid berg continued page 56 tate plastic windshield side windows after doping completed Mount engine timer wheels nearly ready fly Some photos show model Trexler air wheels wheels looked just right first test glide resulted blow out first landing powered flight took care other wheel Admit tedly Arizona boondocks must se vere test wheels model now has pair Williams l/4 wheels work nicely ROGs Details Add stabilizer platform incidence block hold down dowels wing stab type dether malizer set-up puts fuse closer CG avoiding trim upsets between long short fuses hooks line guide made pieces small paper clip wire snuffler tube also serves hold fuse get hold down rubberband hooked up Assemble model check balance point making sure its near indicated location Before going out fly check wing stab warps steam out necessary steam available put about 3/32 wash-in left main wing panel leading edge up 3/32 keep left wing up climb Try some test glides adding bit file card stock plywood scraps under front rear stab necessary Right turn glide preferable due natural left-turn-under-power tendency cabin model Offsetting portion upper fin should help open up climb turn establish right glide turn Initial power flights done near full power very short runs As get climb glide pat terns sorted out engine runs can made longer sure try some ROGs get feel effects wind speed direction Set up described model leaves ground foot two lays over about 100 left bank spirals up extremely tightly left engine cuts transition right glide occurs little fuss no loss altitude Some tips getting the 020 engine Use Cox Racing Fuel hotter mix Try running engine out head gasket Take time get needle valve setting just rightset nose pointing up 3040o Cornpared 20-second run allowed replica old-timers theres lot fuel available ground adjustments engine run consistent look air leakage needle valve spring can stretched little help seal needle hope enjoy Rocketeer rep lica much An older modeler told thought replica flew better full-scale version After thinking about statement decided check out wing loadings both models full size version weighed 18 oz wing loading 762 oz/sqft replica 5/4 oz has wing loading 473 oz/sq ft writing advertisers mention read about MA March 1978 101 COLORSBrushing Spray choice Hi-Gloaa Metallic Flat Terfectly match 12 SolarIum cobra IIAVEN BLACK ROPIC BLUE POLAR WHITE METALLIC RED DARK RED METALLIC GREEN VlATION YELLOW METALLIC GOLD MIDNITE BLUE FLAT OLIVE DRAB JUNGLE GREEN FLAT CAMOUFLAGE TAN FIERY ORANGE FLAT BLACK FLIGHTALUMINUM FLAT WHITE BRIGHT RED CLEAR patt5 Industries Inc 7060 HOLLYWOOD BOULEVARD LOS ANGELES CALIFORNIA 90028
Edition: Model Aviation - 1978/03
Page Numbers: 53, 100, 101
g Wa select thol inity f OH Lded fl1t0 Deltas1nc egular meeflop wida 3lue Con n proc end dy est Ut thi playing ticipated local ball club flying iiei n air show fo outs impetition t times sho th using heir pareni njoyable ctators lo{ all-important storage envelope using envelope record data about motor store motor between flights Stan assured can eliminate unknowns pre dict model performance quite well contest has lost because wrong motor used critical time Bud Tenny Box 545 Richardson TX 75080 FF Old-Timer/Haught continued page 52 type spark plug test engine like its sisters has run Herb required breaking After mounting engine stand filled tank recommended 4to-i fuel mixture unleaded gasoline SAE 70 oil Brown long stroke high torque engine normally swings 14-inch prop 6 8 pitch prop sup ply included 12- 13- 14-inch props following usual practice breaking engine light propeller load bolted 12-6 engine hand started easily after clocking three revolutions using Herbs recommended needle setting 2 turns instruction sheet calls short initial runs 5 10 seconds followed cool ing period since engine very tight found engine would run about 15 seconds stopping its own after couple tanks engine would con tinue run until fuel exhausted ran suggested ten tanks through engine rich settings before taking rpm reading tached engine 6400 rpm 12-6 Powerprop 13-5 Rev Up gave same reading final run 14-5 Rev Up indicated 6100 rpm tests run within 20 minutes ele vation 2150 feet temperature 500 F Part breaking-in done evening Flame exhaust parts suggested potential fire hazard closely cowled installations fact no doubt con tributing development accessory exhaust stacks Herb also has avail able did notice two minor faults engine First no built-in rachet sys tem prevent needle valve setting change vibration problem exist ed original Brown solved installing short piece fuel tubing tween needle valve proper needle valve body second item relation sharp edge cam cut prop drive washer scraping movable point could readily corrected stoning slight radius edge cam cut As engine belonged Herb did anything about very good engine good smooth power ease handling Herb also manufactures stocks complete line accessories ignition engines well made-to-order Hurle man engines both singles twins Herbs catalog nice addition library included appropriate cartoons Better get waiting list can fly Bud McNorgans contest next year Very First Thermal Central Indiana Aeromodelers CIA Informer Magazine editorialists remind us now first thermal resulting thrill derived therefrom Well too long ago remember saw young Don Jenkins get first max O&R 23 Playboy Jr last Sun day will remember scene year. now acne gone 5 oclock Clarence Haught Rt 5 Box 16 Coeur dAlene ID 83814 Acorns/Fridenmaker continued page 53 duced people both kids par ents modeling improved clubs standing within community great time doing Scouts have fun building flying Scout leaders have welcomed activi ties kids didnt have invest time planning prizes given just inexpensive ribbons pur 100 Model Aviation chased Scout supply stores pack contest AMA Medal set Club contest Scout parents proud six-foot trophy club wishing foster com munity acceptance would recom mend approaching local Scout groups may several kids potential future club members parents usually community leaders helps obtain keep flying sites minimize complaints etc doesnt take great deal money time Scouts great bunch kids work larger scale may beneficial AMA leadership investigate Scout modeling program national level PR program aimed age group would certainly fit AMAs Youth Program Scout hundred hooked models return would well worth invest ment R ocketeer Lid berg continued page 56 tate plastic windshield side windows after doping completed Mount engine timer wheels nearly ready fly Some photos show model Trexler air wheels wheels looked just right first test glide resulted blow out first landing powered flight took care other wheel Admit tedly Arizona boondocks must se vere test wheels model now has pair Williams l/4 wheels work nicely ROGs Details Add stabilizer platform incidence block hold down dowels wing stab type dether malizer set-up puts fuse closer CG avoiding trim upsets between long short fuses hooks line guide made pieces small paper clip wire snuffler tube also serves hold fuse get hold down rubberband hooked up Assemble model check balance point making sure its near indicated location Before going out fly check wing stab warps steam out necessary steam available put about 3/32 wash-in left main wing panel leading edge up 3/32 keep left wing up climb Try some test glides adding bit file card stock plywood scraps under front rear stab necessary Right turn glide preferable due natural left-turn-under-power tendency cabin model Offsetting portion upper fin should help open up climb turn establish right glide turn Initial power flights done near full power very short runs As get climb glide pat terns sorted out engine runs can made longer sure try some ROGs get feel effects wind speed direction Set up described model leaves ground foot two lays over about 100 left bank spirals up extremely tightly left engine cuts transition right glide occurs little fuss no loss altitude Some tips getting the 020 engine Use Cox Racing Fuel hotter mix Try running engine out head gasket Take time get needle valve setting just rightset nose pointing up 3040o Cornpared 20-second run allowed replica old-timers theres lot fuel available ground adjustments engine run consistent look air leakage needle valve spring can stretched little help seal needle hope enjoy Rocketeer rep lica much An older modeler told thought replica flew better full-scale version After thinking about statement decided check out wing loadings both models full size version weighed 18 oz wing loading 762 oz/sqft replica 5/4 oz has wing loading 473 oz/sq ft writing advertisers mention read about MA March 1978 101 COLORSBrushing Spray choice Hi-Gloaa Metallic Flat Terfectly match 12 SolarIum cobra IIAVEN BLACK ROPIC BLUE POLAR WHITE METALLIC RED DARK RED METALLIC GREEN VlATION YELLOW METALLIC GOLD MIDNITE BLUE FLAT OLIVE DRAB JUNGLE GREEN FLAT CAMOUFLAGE TAN FIERY ORANGE FLAT BLACK FLIGHTALUMINUM FLAT WHITE BRIGHT RED CLEAR patt5 Industries Inc 7060 HOLLYWOOD BOULEVARD LOS ANGELES CALIFORNIA 90028
Edition: Model Aviation - 1978/03
Page Numbers: 53, 100, 101
g Wa select thol inity f OH Lded fl1t0 Deltas1nc egular meeflop wida 3lue Con n proc end dy est Ut thi playing ticipated local ball club flying iiei n air show fo outs impetition t times sho th using heir pareni njoyable ctators lo{ all-important storage envelope using envelope record data about motor store motor between flights Stan assured can eliminate unknowns pre dict model performance quite well contest has lost because wrong motor used critical time Bud Tenny Box 545 Richardson TX 75080 FF Old-Timer/Haught continued page 52 type spark plug test engine like its sisters has run Herb required breaking After mounting engine stand filled tank recommended 4to-i fuel mixture unleaded gasoline SAE 70 oil Brown long stroke high torque engine normally swings 14-inch prop 6 8 pitch prop sup ply included 12- 13- 14-inch props following usual practice breaking engine light propeller load bolted 12-6 engine hand started easily after clocking three revolutions using Herbs recommended needle setting 2 turns instruction sheet calls short initial runs 5 10 seconds followed cool ing period since engine very tight found engine would run about 15 seconds stopping its own after couple tanks engine would con tinue run until fuel exhausted ran suggested ten tanks through engine rich settings before taking rpm reading tached engine 6400 rpm 12-6 Powerprop 13-5 Rev Up gave same reading final run 14-5 Rev Up indicated 6100 rpm tests run within 20 minutes ele vation 2150 feet temperature 500 F Part breaking-in done evening Flame exhaust parts suggested potential fire hazard closely cowled installations fact no doubt con tributing development accessory exhaust stacks Herb also has avail able did notice two minor faults engine First no built-in rachet sys tem prevent needle valve setting change vibration problem exist ed original Brown solved installing short piece fuel tubing tween needle valve proper needle valve body second item relation sharp edge cam cut prop drive washer scraping movable point could readily corrected stoning slight radius edge cam cut As engine belonged Herb did anything about very good engine good smooth power ease handling Herb also manufactures stocks complete line accessories ignition engines well made-to-order Hurle man engines both singles twins Herbs catalog nice addition library included appropriate cartoons Better get waiting list can fly Bud McNorgans contest next year Very First Thermal Central Indiana Aeromodelers CIA Informer Magazine editorialists remind us now first thermal resulting thrill derived therefrom Well too long ago remember saw young Don Jenkins get first max O&R 23 Playboy Jr last Sun day will remember scene year. now acne gone 5 oclock Clarence Haught Rt 5 Box 16 Coeur dAlene ID 83814 Acorns/Fridenmaker continued page 53 duced people both kids par ents modeling improved clubs standing within community great time doing Scouts have fun building flying Scout leaders have welcomed activi ties kids didnt have invest time planning prizes given just inexpensive ribbons pur 100 Model Aviation chased Scout supply stores pack contest AMA Medal set Club contest Scout parents proud six-foot trophy club wishing foster com munity acceptance would recom mend approaching local Scout groups may several kids potential future club members parents usually community leaders helps obtain keep flying sites minimize complaints etc doesnt take great deal money time Scouts great bunch kids work larger scale may beneficial AMA leadership investigate Scout modeling program national level PR program aimed age group would certainly fit AMAs Youth Program Scout hundred hooked models return would well worth invest ment R ocketeer Lid berg continued page 56 tate plastic windshield side windows after doping completed Mount engine timer wheels nearly ready fly Some photos show model Trexler air wheels wheels looked just right first test glide resulted blow out first landing powered flight took care other wheel Admit tedly Arizona boondocks must se vere test wheels model now has pair Williams l/4 wheels work nicely ROGs Details Add stabilizer platform incidence block hold down dowels wing stab type dether malizer set-up puts fuse closer CG avoiding trim upsets between long short fuses hooks line guide made pieces small paper clip wire snuffler tube also serves hold fuse get hold down rubberband hooked up Assemble model check balance point making sure its near indicated location Before going out fly check wing stab warps steam out necessary steam available put about 3/32 wash-in left main wing panel leading edge up 3/32 keep left wing up climb Try some test glides adding bit file card stock plywood scraps under front rear stab necessary Right turn glide preferable due natural left-turn-under-power tendency cabin model Offsetting portion upper fin should help open up climb turn establish right glide turn Initial power flights done near full power very short runs As get climb glide pat terns sorted out engine runs can made longer sure try some ROGs get feel effects wind speed direction Set up described model leaves ground foot two lays over about 100 left bank spirals up extremely tightly left engine cuts transition right glide occurs little fuss no loss altitude Some tips getting the 020 engine Use Cox Racing Fuel hotter mix Try running engine out head gasket Take time get needle valve setting just rightset nose pointing up 3040o Cornpared 20-second run allowed replica old-timers theres lot fuel available ground adjustments engine run consistent look air leakage needle valve spring can stretched little help seal needle hope enjoy Rocketeer rep lica much An older modeler told thought replica flew better full-scale version After thinking about statement decided check out wing loadings both models full size version weighed 18 oz wing loading 762 oz/sqft replica 5/4 oz has wing loading 473 oz/sq ft writing advertisers mention read about MA March 1978 101 COLORSBrushing Spray choice Hi-Gloaa Metallic Flat Terfectly match 12 SolarIum cobra IIAVEN BLACK ROPIC BLUE POLAR WHITE METALLIC RED DARK RED METALLIC GREEN VlATION YELLOW METALLIC GOLD MIDNITE BLUE FLAT OLIVE DRAB JUNGLE GREEN FLAT CAMOUFLAGE TAN FIERY ORANGE FLAT BLACK FLIGHTALUMINUM FLAT WHITE BRIGHT RED CLEAR patt5 Industries Inc 7060 HOLLYWOOD BOULEVARD LOS ANGELES CALIFORNIA 90028