S Scale 0 Bob Dolly Wischer PROTECT THOSE PLANES 1977 year travel us Two trips coast family van could have damaging scale models rode over short thick truck springs sectional sofa living room springs five-inchthick foam upholstery pad carried van protection models ride regal splendor safe vibration road shocks Four years ago van new carried Douglas M2 Mailplane protection 1600 miles through New England Kit chener-Waterloo Scale Rally Canada its first flight aileron servo locked right turn Douglas spiraled steeply its end thought wires aileron plug crystal ized due vibration carried car wagon planes should protected foam being transported distance Last winter Douglas rebuilt fuselage parts reassembled two new right wing panels constructed new HP 61 FS engine muffler pres sure installed overcome natural slowness plane burdened drag struts wires two wings large wheels Performance much improved Williams Brothers new Golden Age wheels substituted original Smooth Contour wheels saving half pound weight giving 1927 design touch added realism 1400 sq wing 24 Model Aviation Sport Scale Nieuport 27 author modified VK kit rounded fuselage tail feathers altered wing outlines Powered Enva 60 very light its 51 /2-lb gross pair CAP 20 aerobatic planes Rene Fouquereau Jean Rousseau France span 84 in. Rossi 60 power Both models same plane before after prototype painted Continued page 84 Patar 50 Snnrt Scale Jpan Rni~eaii i pwtrpmeli Uchin fijar cnan ic 79 a Rfl trio 1-3/4-equals-1 scale jobs Bob Wischer Ito R Sopwith 1-1/2 Strutter WacoYKS-6and Douglas M2 Mailplane Last remaining proto type Sopwith Paris Air Museum last Mailplane may seen National Air Museum Washington DC OUT- PERFORMS ALL OTHERS AT THE 1976 NATIONALS 1st RC Masters Class 1st NC Advanced let NC Novice 1st NC Sport Scale 1st Formula Pylon 1st Quarter Midget Pylon 1st CL Stunt Open 1st CL Stunt Senior 1st CL Stuns Junior 1st CL Combat Op & Sr let CL Slom Comb Op & Sr 1st CL Carrier II Op Jr Sr let CL Carrier Jr & Sr 1st CL Class D Speed Open 1st CL Class C Speed Jr & Sr let CLCIassB Speed Op & Sr let CL Cl Speed Op Sr Jr 1st CL Formula 40 Open 1st CL Class B Proto Jr 1st FF Class B Open let PP Clam C Open HIGH PERFORMANCE * COMPETITION PROVEN * THIN RIGID BLADES QF HARD MAPLE WOOD * SUPERBLY FINISHED COMPLETELY FUEL PROOF SPECIAL PRO SERIES 2 Foe RC-FREE FLIGHT CONTROL LINE DIAPITCHPRICE 5%3489 63489 733%4119 83%45B129 94566% 77139 10467149 106W 8W149 10BEst159 114677% 7% 7% 8159 11BEW169 11%67169 126179 125W179 1356219 145 6249 1556309 164% 6389 5ll WIDE BLADE 6W EXTRA WIDE SERIES 4008 FOR SPEED NG ADVANCED DESIGN ND 1 IN PYLON RACING LEADING SPEED RECORD HOLDER OP ALL TIMES AC PYLON RACING DIA PITCHPR ICE 5%3Y4129 755%6149 7SN 5%N 6N149 8%6%6%7 7%7%189 96%7 7A7%189 CONTROL LINE SPEEO& RACING DIA PITCH PRICE 4%6A7129 4555%129 6788%149 77A1OA11169 899189 89N 9/N189 8%77%189 912 13219 N NARROW model continued interest model itself fullscale prototype looks like some has worn off already Word has Dick Buck now flying Bob Hiseys ships Toledo Weak Signals field Welcome scale Radio Technique/Myers continued page 79 retain well-known highly-regarded Pro-line fine tuning variety servos offered sys tem has PLS-l great gener al purpose size small light enough satisfactory 1/2A racer yet strong enough control piped-60 pattern model older Pro-line servos compatible new system arent obsolete just because newer system being manufactured Which nice way treat customers Some people want lessless weight smaller dimensions Fig 4 shows Kraft satisfying desire 12 oun ces KPS-18 smaller Cannon Mini Like leather upholstery custom-built car servo feels sounds quality its 30000-rpm motor tiny output wheel jewel work art isnt cheap once again get what pay Ive yet see larger servo pre cise its centering balanced its action Bob Aberle proud owner hes feeling good lets look tie ribbon discussion American manufacturers still offer lot quality plenty variety Before buy ing cheapest thing thats offered give Made America serious thought pay what get what get RC Simulates/Akelewicz continued page 22 RC RSPAMs RSPAM 1/Charioteer rimental Wing span 36 diameter Length 48 Weight 7 10 lbs K&B 40 RSPAM 2/AURIGA Private type 4passenger Wing span modified 42 diameter Length 49 Weight 7 11 lbs K&B 40 Supertigre 46 RSPAM 3/AURIGA II Private type two place Wing span modified 36 diameter Length 411/2 Weight 5 9 lbs K&B 40 Fuselage mainframes thin plywood Balsa No land urethane foam contour No 2 3 Wings urethane foam No 1 2 Styrofoam meat tray ribs capstrips No 3 Covering three colored polymer heat-shrink film RC equipment MRC 5-channel No 3 RS Systems 6-channel No 2 Comments welcome SASE would appreciated would like reply RC Scale/Wischers continued page 24 area 165 ounces per sq ft lightly loaded plane Choosing Contest Model collec tion have four WW planes Sopwith 1 Strutter Bristol M-l monoplane Nieuport 27 Nicuport 17 lightly built Sopwith extremely light detailed plane having wing loading 136 ounces per sq ft planes well Douglas have problem high wind because pepetration poor due over-abundance drag worse handling gusts ground turbulence because low wing loadings airplane has light wing loading its stalling speed same less wind velocity diffi cult handle realistically takeoff landing will lift off short run its landings have no roll-out after touching down result re motely realistic leads conclu sion true realism will-o-the-wisp attainable under ideal conditions sel dom found contests Sailplanes because clean aerodynamically usual ly successful overcoming adverse conditions ballast penetration Under ideal conditions World War planes joy fly cannot sensi bly use Nats hoping lucky flight before easy judges know some flight scores may little half what re quired stake 1977 Nats chance represent US next World Championships needed therefore minimize luck element especially true warned beforehand strong wind could expected Riverside during Twin Stik Trainer 19 30-size engines twin has exceptional single-engine per formance proven docile flying character istiCs long-popular Stik series multichannel kits should make Twin Stik Train er easy handle twin can cluded kit two lightweight aluminum engine mounts nylon blocks preformed landing gear molded nylon steerable nose gear bearing hinges etc Span 54 4-channels $4995 Midwest Products Co 400 5 Indiana St Hobart IN 46342 product review product review product review 84 Model Aviation NEWS FLASH Bob Smith Chatsworth CA set new World Speed Record June 19 Pylon mula Ii 125 RevUp 8%-6% new Pylon Rac ing propl Droduct review product review product review day choice plane subject serious modeler therefore com promise competitive spirit hopes high placing result have often felt choice planes sometimes no chance win satisfaction building possessing flying ship reward enough true plane lightest wing loading Nats highest flight score also true really Sport Scale plane entered AMA Scale protest against pattern-type flights high-flight-score Brandenberg Flying Boat expected fly well unencum bered detail needed AMA scale respect consistent wisely kept grounded during windy gusty fourth round Sports events such platform diving figure skating have advantage over scale contests judges usually persons performers time contest directors may knowledge able hut cannot hope educate team judges have seen contem porary planes airport Present rules limit entries known types modeler privileged build whatever likes has right expect fair judg ing no matter obscure subject should expect judges aware its capabilities Only World Champion ships recently Las Vegas judging consistently high quality Report Paris December meeting Committee Interna tional Aeromodeling CIAM held Paris headquarters FAI deci sion made clears way 1979 change model weight R/C Scale 5 kg 11 lbs 6 kg 1322 lbs Engine size remains same 61 cu maximum brings FAI models nearly alignment 15 lbs permitted under AMA rules actually affects builders now have plan build planes FAI competition effect permits con struction larger planes can have sufficient wing area avoid becom ing proverbial lead sleds past model could kept under 11 pounds limiting its size result wing loadings approached maximum 3276 ounces per sq ft fixed weight electronics engine now becomes smaller percentage gross weight RC CL Scale significant change static flight scoring will come effective immediately complex ity K factor static scoring has de leted fidelity craftsmanship K factors now combined follows 1 FuselageKl0 2 Wing equivalentK 10 3 Tail surface equivalent empennageK9 4 Landing gearK9 5 Propulsion unitsK8 6 Cockpit cabin detailK4 Pattern Scale popular Quickie K & 500 racing event front rotor type en gine incorporates large by-pass 40 iiLpower produced unique machining process special Perry Carburetor coupled exhaust/throttle control linked carbure tor provides instant response slow smooth idle top speedl Squish Band high performance head Exclusive K & B no tension single ring aluminum piston does away long break-in period j like j RE IIIIIa 7 Finish color markingsK 11 8 Special ingenuityK 4 addition reducing judges work load will change scoring method certain types planes previously benefited As example model plane metal fuselage could have awarded high points because prototype complexity points multiplied K factor give ad vantage type plane Under new scoring system fabric-covered fuse lage equal metal because now scored fidelity craftsmanship new arrangement becomes near ly alignment AMA scoring sys tem ideally gives planes equal chance compete regardless prototype age type construction materials used shape replace complexity points pre viously given individual parts plane new complexity bonus RC CL Scale order compensate models complex prototypes inherent disadvantages flight fol lowing bonuses shall awarded form percentage total flight score Wings% Bonus Monoplane0 Biplane single bay5 Biplane double bay10 Triplane15 Quadruplane20 April1978 85 SUREEUEE..F HAZELNUT CATALOG 25c MBH-30 AE RONCA C-3 20% PLAN MODERNISTIC MODELS PO B0X6974ALBUQ NM 87107 quadruplane retracts know past experience plane would need 50% additional flights points would operating under enormous handicap Multi-engine planes likely candidates benefit bonus system Other changes affecting 1978 World Championship England include stipulation cruising speed prototype must stated flight scoring form assure accurate scor ing realism flight RC Scale taxi maneuver now same specified AMA rules except after landing no taxi back hangar dummy pilot now mandatory maxi mum flight points its weight inclu ded model weight number landing circles now reduced its diameter now 25 meters rules now frozen next four years changes can made R C Aerobatics/Va nPutte continued page 23 have seen products few manufacturers several particularly outstanding miniature carburetor designed Ben Tarnofsky Cox Tee Dee 049/051 good ex ample Tarno carburetor has Tee Dee slow down real purr especialNOT TO SCALE CENTERING WIRE ratios K factors complexity bonus percentages totals remaining same Las Vegas Scale Event Word has just arrived Walt Schroder Model ir plane News will no museumtype scale contest 1978 Reasons given extra days work involved burden placed upon Bill Bennett staff conducting contest vir tually lasts two whole weeks Since 1978 Tournament Champions will Standoff Scale models full-size aero batic airplanes Bill feels will still have quite bit offer scale buffs Bill Bennett says very sorry concept dual contest did work out want personally apolo gize scale builders excluding next years contest Bob Wischer Rt 1 S-221 Lapham Peak Road Delefield WI 53018 ly used muffler Davis Diesel Development has diesel conversion kit use Cox 049/ 051 engine conversion requires simple replacement glow head diesel conversion head Iwonder anyone has tried Tee Dee 049/051 Tarno carburetor Davis diesel head surprising new acces sory developed airplanes retractable landing gear Robart A-justo jig Flight Dynamics Inc market main gear retracts Robart also offers three gear set beautifully 2-56 NUT-I- BOLT N N 2 Engines Single Two engines Three engines Four engines Above four Landing gear Fixed Tricycle Fixedone two wheel Retractable tricycle Retractableone two wheel 0 10 15 20 25 0 5 10 10 General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio en gines must per prototype en gines must operate Judges shall decide upon appropriate % bonus ap plied flight score model dur ing static scoring procedure 10% additional points retracting landing gear first glance appear high approximate amount awarded under AMA rules really large percentage could built up some enter prising researcher discovers four-engine STEER WHEEL THREADED PUSH ROD SOLDER NUTS ON EACH SIDE H LENGTH TO SUI SIDE L4 STRIPAILERON HORN WHEN GEAR ISMAX FREE TO SLIDEw-I 3/4 RETRACTED SPOT OF SOLDER TO HOLD HORN ON Modification Rhom nose gear direct pushrod actuation eliminates steering cable hook-up Can placed either side strut firewall installation Idea Jack Aycock 86 Model Aviation 4 E3Y KITS OF WORLD CLASSIC AIRCRAFT FROM O 37141924 9145599419 * 942093444 4494Ud LUTON 940444995599 ,dI 9993 Eg4.d 244544444434494993414. 94441998-429 49944 9l4 1 flY 4~8 944 4444991495 K g4 949444444p49.A big 3014 l4h.gp. flghly 411 p94. Send 25t catalog See yourdeater FLYLINEs classic kits NOW FLYLINE MODELS INC HEINKEL HelOOD TIONALS 41999A4544 p.949. 444b49 549 99 4 III 12 444144 93 954
Edition: Model Aviation - 1978/04
Page Numbers: 24, 84, 85, 86
S Scale 0 Bob Dolly Wischer PROTECT THOSE PLANES 1977 year travel us Two trips coast family van could have damaging scale models rode over short thick truck springs sectional sofa living room springs five-inchthick foam upholstery pad carried van protection models ride regal splendor safe vibration road shocks Four years ago van new carried Douglas M2 Mailplane protection 1600 miles through New England Kit chener-Waterloo Scale Rally Canada its first flight aileron servo locked right turn Douglas spiraled steeply its end thought wires aileron plug crystal ized due vibration carried car wagon planes should protected foam being transported distance Last winter Douglas rebuilt fuselage parts reassembled two new right wing panels constructed new HP 61 FS engine muffler pres sure installed overcome natural slowness plane burdened drag struts wires two wings large wheels Performance much improved Williams Brothers new Golden Age wheels substituted original Smooth Contour wheels saving half pound weight giving 1927 design touch added realism 1400 sq wing 24 Model Aviation Sport Scale Nieuport 27 author modified VK kit rounded fuselage tail feathers altered wing outlines Powered Enva 60 very light its 51 /2-lb gross pair CAP 20 aerobatic planes Rene Fouquereau Jean Rousseau France span 84 in. Rossi 60 power Both models same plane before after prototype painted Continued page 84 Patar 50 Snnrt Scale Jpan Rni~eaii i pwtrpmeli Uchin fijar cnan ic 79 a Rfl trio 1-3/4-equals-1 scale jobs Bob Wischer Ito R Sopwith 1-1/2 Strutter WacoYKS-6and Douglas M2 Mailplane Last remaining proto type Sopwith Paris Air Museum last Mailplane may seen National Air Museum Washington DC OUT- PERFORMS ALL OTHERS AT THE 1976 NATIONALS 1st RC Masters Class 1st NC Advanced let NC Novice 1st NC Sport Scale 1st Formula Pylon 1st Quarter Midget Pylon 1st CL Stunt Open 1st CL Stunt Senior 1st CL Stuns Junior 1st CL Combat Op & Sr let CL Slom Comb Op & Sr 1st CL Carrier II Op Jr Sr let CL Carrier Jr & Sr 1st CL Class D Speed Open 1st CL Class C Speed Jr & Sr let CLCIassB Speed Op & Sr let CL Cl Speed Op Sr Jr 1st CL Formula 40 Open 1st CL Class B Proto Jr 1st FF Class B Open let PP Clam C Open HIGH PERFORMANCE * COMPETITION PROVEN * THIN RIGID BLADES QF HARD MAPLE WOOD * SUPERBLY FINISHED COMPLETELY FUEL PROOF SPECIAL PRO SERIES 2 Foe RC-FREE FLIGHT CONTROL LINE DIAPITCHPRICE 5%3489 63489 733%4119 83%45B129 94566% 77139 10467149 106W 8W149 10BEst159 114677% 7% 7% 8159 11BEW169 11%67169 126179 125W179 1356219 145 6249 1556309 164% 6389 5ll WIDE BLADE 6W EXTRA WIDE SERIES 4008 FOR SPEED NG ADVANCED DESIGN ND 1 IN PYLON RACING LEADING SPEED RECORD HOLDER OP ALL TIMES AC PYLON RACING DIA PITCHPR ICE 5%3Y4129 755%6149 7SN 5%N 6N149 8%6%6%7 7%7%189 96%7 7A7%189 CONTROL LINE SPEEO& RACING DIA PITCH PRICE 4%6A7129 4555%129 6788%149 77A1OA11169 899189 89N 9/N189 8%77%189 912 13219 N NARROW model continued interest model itself fullscale prototype looks like some has worn off already Word has Dick Buck now flying Bob Hiseys ships Toledo Weak Signals field Welcome scale Radio Technique/Myers continued page 79 retain well-known highly-regarded Pro-line fine tuning variety servos offered sys tem has PLS-l great gener al purpose size small light enough satisfactory 1/2A racer yet strong enough control piped-60 pattern model older Pro-line servos compatible new system arent obsolete just because newer system being manufactured Which nice way treat customers Some people want lessless weight smaller dimensions Fig 4 shows Kraft satisfying desire 12 oun ces KPS-18 smaller Cannon Mini Like leather upholstery custom-built car servo feels sounds quality its 30000-rpm motor tiny output wheel jewel work art isnt cheap once again get what pay Ive yet see larger servo pre cise its centering balanced its action Bob Aberle proud owner hes feeling good lets look tie ribbon discussion American manufacturers still offer lot quality plenty variety Before buy ing cheapest thing thats offered give Made America serious thought pay what get what get RC Simulates/Akelewicz continued page 22 RC RSPAMs RSPAM 1/Charioteer rimental Wing span 36 diameter Length 48 Weight 7 10 lbs K&B 40 RSPAM 2/AURIGA Private type 4passenger Wing span modified 42 diameter Length 49 Weight 7 11 lbs K&B 40 Supertigre 46 RSPAM 3/AURIGA II Private type two place Wing span modified 36 diameter Length 411/2 Weight 5 9 lbs K&B 40 Fuselage mainframes thin plywood Balsa No land urethane foam contour No 2 3 Wings urethane foam No 1 2 Styrofoam meat tray ribs capstrips No 3 Covering three colored polymer heat-shrink film RC equipment MRC 5-channel No 3 RS Systems 6-channel No 2 Comments welcome SASE would appreciated would like reply RC Scale/Wischers continued page 24 area 165 ounces per sq ft lightly loaded plane Choosing Contest Model collec tion have four WW planes Sopwith 1 Strutter Bristol M-l monoplane Nieuport 27 Nicuport 17 lightly built Sopwith extremely light detailed plane having wing loading 136 ounces per sq ft planes well Douglas have problem high wind because pepetration poor due over-abundance drag worse handling gusts ground turbulence because low wing loadings airplane has light wing loading its stalling speed same less wind velocity diffi cult handle realistically takeoff landing will lift off short run its landings have no roll-out after touching down result re motely realistic leads conclu sion true realism will-o-the-wisp attainable under ideal conditions sel dom found contests Sailplanes because clean aerodynamically usual ly successful overcoming adverse conditions ballast penetration Under ideal conditions World War planes joy fly cannot sensi bly use Nats hoping lucky flight before easy judges know some flight scores may little half what re quired stake 1977 Nats chance represent US next World Championships needed therefore minimize luck element especially true warned beforehand strong wind could expected Riverside during Twin Stik Trainer 19 30-size engines twin has exceptional single-engine per formance proven docile flying character istiCs long-popular Stik series multichannel kits should make Twin Stik Train er easy handle twin can cluded kit two lightweight aluminum engine mounts nylon blocks preformed landing gear molded nylon steerable nose gear bearing hinges etc Span 54 4-channels $4995 Midwest Products Co 400 5 Indiana St Hobart IN 46342 product review product review product review 84 Model Aviation NEWS FLASH Bob Smith Chatsworth CA set new World Speed Record June 19 Pylon mula Ii 125 RevUp 8%-6% new Pylon Rac ing propl Droduct review product review product review day choice plane subject serious modeler therefore com promise competitive spirit hopes high placing result have often felt choice planes sometimes no chance win satisfaction building possessing flying ship reward enough true plane lightest wing loading Nats highest flight score also true really Sport Scale plane entered AMA Scale protest against pattern-type flights high-flight-score Brandenberg Flying Boat expected fly well unencum bered detail needed AMA scale respect consistent wisely kept grounded during windy gusty fourth round Sports events such platform diving figure skating have advantage over scale contests judges usually persons performers time contest directors may knowledge able hut cannot hope educate team judges have seen contem porary planes airport Present rules limit entries known types modeler privileged build whatever likes has right expect fair judg ing no matter obscure subject should expect judges aware its capabilities Only World Champion ships recently Las Vegas judging consistently high quality Report Paris December meeting Committee Interna tional Aeromodeling CIAM held Paris headquarters FAI deci sion made clears way 1979 change model weight R/C Scale 5 kg 11 lbs 6 kg 1322 lbs Engine size remains same 61 cu maximum brings FAI models nearly alignment 15 lbs permitted under AMA rules actually affects builders now have plan build planes FAI competition effect permits con struction larger planes can have sufficient wing area avoid becom ing proverbial lead sleds past model could kept under 11 pounds limiting its size result wing loadings approached maximum 3276 ounces per sq ft fixed weight electronics engine now becomes smaller percentage gross weight RC CL Scale significant change static flight scoring will come effective immediately complex ity K factor static scoring has de leted fidelity craftsmanship K factors now combined follows 1 FuselageKl0 2 Wing equivalentK 10 3 Tail surface equivalent empennageK9 4 Landing gearK9 5 Propulsion unitsK8 6 Cockpit cabin detailK4 Pattern Scale popular Quickie K & 500 racing event front rotor type en gine incorporates large by-pass 40 iiLpower produced unique machining process special Perry Carburetor coupled exhaust/throttle control linked carbure tor provides instant response slow smooth idle top speedl Squish Band high performance head Exclusive K & B no tension single ring aluminum piston does away long break-in period j like j RE IIIIIa 7 Finish color markingsK 11 8 Special ingenuityK 4 addition reducing judges work load will change scoring method certain types planes previously benefited As example model plane metal fuselage could have awarded high points because prototype complexity points multiplied K factor give ad vantage type plane Under new scoring system fabric-covered fuse lage equal metal because now scored fidelity craftsmanship new arrangement becomes near ly alignment AMA scoring sys tem ideally gives planes equal chance compete regardless prototype age type construction materials used shape replace complexity points pre viously given individual parts plane new complexity bonus RC CL Scale order compensate models complex prototypes inherent disadvantages flight fol lowing bonuses shall awarded form percentage total flight score Wings% Bonus Monoplane0 Biplane single bay5 Biplane double bay10 Triplane15 Quadruplane20 April1978 85 SUREEUEE..F HAZELNUT CATALOG 25c MBH-30 AE RONCA C-3 20% PLAN MODERNISTIC MODELS PO B0X6974ALBUQ NM 87107 quadruplane retracts know past experience plane would need 50% additional flights points would operating under enormous handicap Multi-engine planes likely candidates benefit bonus system Other changes affecting 1978 World Championship England include stipulation cruising speed prototype must stated flight scoring form assure accurate scor ing realism flight RC Scale taxi maneuver now same specified AMA rules except after landing no taxi back hangar dummy pilot now mandatory maxi mum flight points its weight inclu ded model weight number landing circles now reduced its diameter now 25 meters rules now frozen next four years changes can made R C Aerobatics/Va nPutte continued page 23 have seen products few manufacturers several particularly outstanding miniature carburetor designed Ben Tarnofsky Cox Tee Dee 049/051 good ex ample Tarno carburetor has Tee Dee slow down real purr especialNOT TO SCALE CENTERING WIRE ratios K factors complexity bonus percentages totals remaining same Las Vegas Scale Event Word has just arrived Walt Schroder Model ir plane News will no museumtype scale contest 1978 Reasons given extra days work involved burden placed upon Bill Bennett staff conducting contest vir tually lasts two whole weeks Since 1978 Tournament Champions will Standoff Scale models full-size aero batic airplanes Bill feels will still have quite bit offer scale buffs Bill Bennett says very sorry concept dual contest did work out want personally apolo gize scale builders excluding next years contest Bob Wischer Rt 1 S-221 Lapham Peak Road Delefield WI 53018 ly used muffler Davis Diesel Development has diesel conversion kit use Cox 049/ 051 engine conversion requires simple replacement glow head diesel conversion head Iwonder anyone has tried Tee Dee 049/051 Tarno carburetor Davis diesel head surprising new acces sory developed airplanes retractable landing gear Robart A-justo jig Flight Dynamics Inc market main gear retracts Robart also offers three gear set beautifully 2-56 NUT-I- BOLT N N 2 Engines Single Two engines Three engines Four engines Above four Landing gear Fixed Tricycle Fixedone two wheel Retractable tricycle Retractableone two wheel 0 10 15 20 25 0 5 10 10 General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio en gines must per prototype en gines must operate Judges shall decide upon appropriate % bonus ap plied flight score model dur ing static scoring procedure 10% additional points retracting landing gear first glance appear high approximate amount awarded under AMA rules really large percentage could built up some enter prising researcher discovers four-engine STEER WHEEL THREADED PUSH ROD SOLDER NUTS ON EACH SIDE H LENGTH TO SUI SIDE L4 STRIPAILERON HORN WHEN GEAR ISMAX FREE TO SLIDEw-I 3/4 RETRACTED SPOT OF SOLDER TO HOLD HORN ON Modification Rhom nose gear direct pushrod actuation eliminates steering cable hook-up Can placed either side strut firewall installation Idea Jack Aycock 86 Model Aviation 4 E3Y KITS OF WORLD CLASSIC AIRCRAFT FROM O 37141924 9145599419 * 942093444 4494Ud LUTON 940444995599 ,dI 9993 Eg4.d 244544444434494993414. 94441998-429 49944 9l4 1 flY 4~8 944 4444991495 K g4 949444444p49.A big 3014 l4h.gp. flghly 411 p94. Send 25t catalog See yourdeater FLYLINEs classic kits NOW FLYLINE MODELS INC HEINKEL HelOOD TIONALS 41999A4544 p.949. 444b49 549 99 4 III 12 444144 93 954
Edition: Model Aviation - 1978/04
Page Numbers: 24, 84, 85, 86
S Scale 0 Bob Dolly Wischer PROTECT THOSE PLANES 1977 year travel us Two trips coast family van could have damaging scale models rode over short thick truck springs sectional sofa living room springs five-inchthick foam upholstery pad carried van protection models ride regal splendor safe vibration road shocks Four years ago van new carried Douglas M2 Mailplane protection 1600 miles through New England Kit chener-Waterloo Scale Rally Canada its first flight aileron servo locked right turn Douglas spiraled steeply its end thought wires aileron plug crystal ized due vibration carried car wagon planes should protected foam being transported distance Last winter Douglas rebuilt fuselage parts reassembled two new right wing panels constructed new HP 61 FS engine muffler pres sure installed overcome natural slowness plane burdened drag struts wires two wings large wheels Performance much improved Williams Brothers new Golden Age wheels substituted original Smooth Contour wheels saving half pound weight giving 1927 design touch added realism 1400 sq wing 24 Model Aviation Sport Scale Nieuport 27 author modified VK kit rounded fuselage tail feathers altered wing outlines Powered Enva 60 very light its 51 /2-lb gross pair CAP 20 aerobatic planes Rene Fouquereau Jean Rousseau France span 84 in. Rossi 60 power Both models same plane before after prototype painted Continued page 84 Patar 50 Snnrt Scale Jpan Rni~eaii i pwtrpmeli Uchin fijar cnan ic 79 a Rfl trio 1-3/4-equals-1 scale jobs Bob Wischer Ito R Sopwith 1-1/2 Strutter WacoYKS-6and Douglas M2 Mailplane Last remaining proto type Sopwith Paris Air Museum last Mailplane may seen National Air Museum Washington DC OUT- PERFORMS ALL OTHERS AT THE 1976 NATIONALS 1st RC Masters Class 1st NC Advanced let NC Novice 1st NC Sport Scale 1st Formula Pylon 1st Quarter Midget Pylon 1st CL Stunt Open 1st CL Stunt Senior 1st CL Stuns Junior 1st CL Combat Op & Sr let CL Slom Comb Op & Sr 1st CL Carrier II Op Jr Sr let CL Carrier Jr & Sr 1st CL Class D Speed Open 1st CL Class C Speed Jr & Sr let CLCIassB Speed Op & Sr let CL Cl Speed Op Sr Jr 1st CL Formula 40 Open 1st CL Class B Proto Jr 1st FF Class B Open let PP Clam C Open HIGH PERFORMANCE * COMPETITION PROVEN * THIN RIGID BLADES QF HARD MAPLE WOOD * SUPERBLY FINISHED COMPLETELY FUEL PROOF SPECIAL PRO SERIES 2 Foe RC-FREE FLIGHT CONTROL LINE DIAPITCHPRICE 5%3489 63489 733%4119 83%45B129 94566% 77139 10467149 106W 8W149 10BEst159 114677% 7% 7% 8159 11BEW169 11%67169 126179 125W179 1356219 145 6249 1556309 164% 6389 5ll WIDE BLADE 6W EXTRA WIDE SERIES 4008 FOR SPEED NG ADVANCED DESIGN ND 1 IN PYLON RACING LEADING SPEED RECORD HOLDER OP ALL TIMES AC PYLON RACING DIA PITCHPR ICE 5%3Y4129 755%6149 7SN 5%N 6N149 8%6%6%7 7%7%189 96%7 7A7%189 CONTROL LINE SPEEO& RACING DIA PITCH PRICE 4%6A7129 4555%129 6788%149 77A1OA11169 899189 89N 9/N189 8%77%189 912 13219 N NARROW model continued interest model itself fullscale prototype looks like some has worn off already Word has Dick Buck now flying Bob Hiseys ships Toledo Weak Signals field Welcome scale Radio Technique/Myers continued page 79 retain well-known highly-regarded Pro-line fine tuning variety servos offered sys tem has PLS-l great gener al purpose size small light enough satisfactory 1/2A racer yet strong enough control piped-60 pattern model older Pro-line servos compatible new system arent obsolete just because newer system being manufactured Which nice way treat customers Some people want lessless weight smaller dimensions Fig 4 shows Kraft satisfying desire 12 oun ces KPS-18 smaller Cannon Mini Like leather upholstery custom-built car servo feels sounds quality its 30000-rpm motor tiny output wheel jewel work art isnt cheap once again get what pay Ive yet see larger servo pre cise its centering balanced its action Bob Aberle proud owner hes feeling good lets look tie ribbon discussion American manufacturers still offer lot quality plenty variety Before buy ing cheapest thing thats offered give Made America serious thought pay what get what get RC Simulates/Akelewicz continued page 22 RC RSPAMs RSPAM 1/Charioteer rimental Wing span 36 diameter Length 48 Weight 7 10 lbs K&B 40 RSPAM 2/AURIGA Private type 4passenger Wing span modified 42 diameter Length 49 Weight 7 11 lbs K&B 40 Supertigre 46 RSPAM 3/AURIGA II Private type two place Wing span modified 36 diameter Length 411/2 Weight 5 9 lbs K&B 40 Fuselage mainframes thin plywood Balsa No land urethane foam contour No 2 3 Wings urethane foam No 1 2 Styrofoam meat tray ribs capstrips No 3 Covering three colored polymer heat-shrink film RC equipment MRC 5-channel No 3 RS Systems 6-channel No 2 Comments welcome SASE would appreciated would like reply RC Scale/Wischers continued page 24 area 165 ounces per sq ft lightly loaded plane Choosing Contest Model collec tion have four WW planes Sopwith 1 Strutter Bristol M-l monoplane Nieuport 27 Nicuport 17 lightly built Sopwith extremely light detailed plane having wing loading 136 ounces per sq ft planes well Douglas have problem high wind because pepetration poor due over-abundance drag worse handling gusts ground turbulence because low wing loadings airplane has light wing loading its stalling speed same less wind velocity diffi cult handle realistically takeoff landing will lift off short run its landings have no roll-out after touching down result re motely realistic leads conclu sion true realism will-o-the-wisp attainable under ideal conditions sel dom found contests Sailplanes because clean aerodynamically usual ly successful overcoming adverse conditions ballast penetration Under ideal conditions World War planes joy fly cannot sensi bly use Nats hoping lucky flight before easy judges know some flight scores may little half what re quired stake 1977 Nats chance represent US next World Championships needed therefore minimize luck element especially true warned beforehand strong wind could expected Riverside during Twin Stik Trainer 19 30-size engines twin has exceptional single-engine per formance proven docile flying character istiCs long-popular Stik series multichannel kits should make Twin Stik Train er easy handle twin can cluded kit two lightweight aluminum engine mounts nylon blocks preformed landing gear molded nylon steerable nose gear bearing hinges etc Span 54 4-channels $4995 Midwest Products Co 400 5 Indiana St Hobart IN 46342 product review product review product review 84 Model Aviation NEWS FLASH Bob Smith Chatsworth CA set new World Speed Record June 19 Pylon mula Ii 125 RevUp 8%-6% new Pylon Rac ing propl Droduct review product review product review day choice plane subject serious modeler therefore com promise competitive spirit hopes high placing result have often felt choice planes sometimes no chance win satisfaction building possessing flying ship reward enough true plane lightest wing loading Nats highest flight score also true really Sport Scale plane entered AMA Scale protest against pattern-type flights high-flight-score Brandenberg Flying Boat expected fly well unencum bered detail needed AMA scale respect consistent wisely kept grounded during windy gusty fourth round Sports events such platform diving figure skating have advantage over scale contests judges usually persons performers time contest directors may knowledge able hut cannot hope educate team judges have seen contem porary planes airport Present rules limit entries known types modeler privileged build whatever likes has right expect fair judg ing no matter obscure subject should expect judges aware its capabilities Only World Champion ships recently Las Vegas judging consistently high quality Report Paris December meeting Committee Interna tional Aeromodeling CIAM held Paris headquarters FAI deci sion made clears way 1979 change model weight R/C Scale 5 kg 11 lbs 6 kg 1322 lbs Engine size remains same 61 cu maximum brings FAI models nearly alignment 15 lbs permitted under AMA rules actually affects builders now have plan build planes FAI competition effect permits con struction larger planes can have sufficient wing area avoid becom ing proverbial lead sleds past model could kept under 11 pounds limiting its size result wing loadings approached maximum 3276 ounces per sq ft fixed weight electronics engine now becomes smaller percentage gross weight RC CL Scale significant change static flight scoring will come effective immediately complex ity K factor static scoring has de leted fidelity craftsmanship K factors now combined follows 1 FuselageKl0 2 Wing equivalentK 10 3 Tail surface equivalent empennageK9 4 Landing gearK9 5 Propulsion unitsK8 6 Cockpit cabin detailK4 Pattern Scale popular Quickie K & 500 racing event front rotor type en gine incorporates large by-pass 40 iiLpower produced unique machining process special Perry Carburetor coupled exhaust/throttle control linked carbure tor provides instant response slow smooth idle top speedl Squish Band high performance head Exclusive K & B no tension single ring aluminum piston does away long break-in period j like j RE IIIIIa 7 Finish color markingsK 11 8 Special ingenuityK 4 addition reducing judges work load will change scoring method certain types planes previously benefited As example model plane metal fuselage could have awarded high points because prototype complexity points multiplied K factor give ad vantage type plane Under new scoring system fabric-covered fuse lage equal metal because now scored fidelity craftsmanship new arrangement becomes near ly alignment AMA scoring sys tem ideally gives planes equal chance compete regardless prototype age type construction materials used shape replace complexity points pre viously given individual parts plane new complexity bonus RC CL Scale order compensate models complex prototypes inherent disadvantages flight fol lowing bonuses shall awarded form percentage total flight score Wings% Bonus Monoplane0 Biplane single bay5 Biplane double bay10 Triplane15 Quadruplane20 April1978 85 SUREEUEE..F HAZELNUT CATALOG 25c MBH-30 AE RONCA C-3 20% PLAN MODERNISTIC MODELS PO B0X6974ALBUQ NM 87107 quadruplane retracts know past experience plane would need 50% additional flights points would operating under enormous handicap Multi-engine planes likely candidates benefit bonus system Other changes affecting 1978 World Championship England include stipulation cruising speed prototype must stated flight scoring form assure accurate scor ing realism flight RC Scale taxi maneuver now same specified AMA rules except after landing no taxi back hangar dummy pilot now mandatory maxi mum flight points its weight inclu ded model weight number landing circles now reduced its diameter now 25 meters rules now frozen next four years changes can made R C Aerobatics/Va nPutte continued page 23 have seen products few manufacturers several particularly outstanding miniature carburetor designed Ben Tarnofsky Cox Tee Dee 049/051 good ex ample Tarno carburetor has Tee Dee slow down real purr especialNOT TO SCALE CENTERING WIRE ratios K factors complexity bonus percentages totals remaining same Las Vegas Scale Event Word has just arrived Walt Schroder Model ir plane News will no museumtype scale contest 1978 Reasons given extra days work involved burden placed upon Bill Bennett staff conducting contest vir tually lasts two whole weeks Since 1978 Tournament Champions will Standoff Scale models full-size aero batic airplanes Bill feels will still have quite bit offer scale buffs Bill Bennett says very sorry concept dual contest did work out want personally apolo gize scale builders excluding next years contest Bob Wischer Rt 1 S-221 Lapham Peak Road Delefield WI 53018 ly used muffler Davis Diesel Development has diesel conversion kit use Cox 049/ 051 engine conversion requires simple replacement glow head diesel conversion head Iwonder anyone has tried Tee Dee 049/051 Tarno carburetor Davis diesel head surprising new acces sory developed airplanes retractable landing gear Robart A-justo jig Flight Dynamics Inc market main gear retracts Robart also offers three gear set beautifully 2-56 NUT-I- BOLT N N 2 Engines Single Two engines Three engines Four engines Above four Landing gear Fixed Tricycle Fixedone two wheel Retractable tricycle Retractableone two wheel 0 10 15 20 25 0 5 10 10 General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio en gines must per prototype en gines must operate Judges shall decide upon appropriate % bonus ap plied flight score model dur ing static scoring procedure 10% additional points retracting landing gear first glance appear high approximate amount awarded under AMA rules really large percentage could built up some enter prising researcher discovers four-engine STEER WHEEL THREADED PUSH ROD SOLDER NUTS ON EACH SIDE H LENGTH TO SUI SIDE L4 STRIPAILERON HORN WHEN GEAR ISMAX FREE TO SLIDEw-I 3/4 RETRACTED SPOT OF SOLDER TO HOLD HORN ON Modification Rhom nose gear direct pushrod actuation eliminates steering cable hook-up Can placed either side strut firewall installation Idea Jack Aycock 86 Model Aviation 4 E3Y KITS OF WORLD CLASSIC AIRCRAFT FROM O 37141924 9145599419 * 942093444 4494Ud LUTON 940444995599 ,dI 9993 Eg4.d 244544444434494993414. 94441998-429 49944 9l4 1 flY 4~8 944 4444991495 K g4 949444444p49.A big 3014 l4h.gp. flghly 411 p94. Send 25t catalog See yourdeater FLYLINEs classic kits NOW FLYLINE MODELS INC HEINKEL HelOOD TIONALS 41999A4544 p.949. 444b49 549 99 4 III 12 444144 93 954
Edition: Model Aviation - 1978/04
Page Numbers: 24, 84, 85, 86
S Scale 0 Bob Dolly Wischer PROTECT THOSE PLANES 1977 year travel us Two trips coast family van could have damaging scale models rode over short thick truck springs sectional sofa living room springs five-inchthick foam upholstery pad carried van protection models ride regal splendor safe vibration road shocks Four years ago van new carried Douglas M2 Mailplane protection 1600 miles through New England Kit chener-Waterloo Scale Rally Canada its first flight aileron servo locked right turn Douglas spiraled steeply its end thought wires aileron plug crystal ized due vibration carried car wagon planes should protected foam being transported distance Last winter Douglas rebuilt fuselage parts reassembled two new right wing panels constructed new HP 61 FS engine muffler pres sure installed overcome natural slowness plane burdened drag struts wires two wings large wheels Performance much improved Williams Brothers new Golden Age wheels substituted original Smooth Contour wheels saving half pound weight giving 1927 design touch added realism 1400 sq wing 24 Model Aviation Sport Scale Nieuport 27 author modified VK kit rounded fuselage tail feathers altered wing outlines Powered Enva 60 very light its 51 /2-lb gross pair CAP 20 aerobatic planes Rene Fouquereau Jean Rousseau France span 84 in. Rossi 60 power Both models same plane before after prototype painted Continued page 84 Patar 50 Snnrt Scale Jpan Rni~eaii i pwtrpmeli Uchin fijar cnan ic 79 a Rfl trio 1-3/4-equals-1 scale jobs Bob Wischer Ito R Sopwith 1-1/2 Strutter WacoYKS-6and Douglas M2 Mailplane Last remaining proto type Sopwith Paris Air Museum last Mailplane may seen National Air Museum Washington DC OUT- PERFORMS ALL OTHERS AT THE 1976 NATIONALS 1st RC Masters Class 1st NC Advanced let NC Novice 1st NC Sport Scale 1st Formula Pylon 1st Quarter Midget Pylon 1st CL Stunt Open 1st CL Stunt Senior 1st CL Stuns Junior 1st CL Combat Op & Sr let CL Slom Comb Op & Sr 1st CL Carrier II Op Jr Sr let CL Carrier Jr & Sr 1st CL Class D Speed Open 1st CL Class C Speed Jr & Sr let CLCIassB Speed Op & Sr let CL Cl Speed Op Sr Jr 1st CL Formula 40 Open 1st CL Class B Proto Jr 1st FF Class B Open let PP Clam C Open HIGH PERFORMANCE * COMPETITION PROVEN * THIN RIGID BLADES QF HARD MAPLE WOOD * SUPERBLY FINISHED COMPLETELY FUEL PROOF SPECIAL PRO SERIES 2 Foe RC-FREE FLIGHT CONTROL LINE DIAPITCHPRICE 5%3489 63489 733%4119 83%45B129 94566% 77139 10467149 106W 8W149 10BEst159 114677% 7% 7% 8159 11BEW169 11%67169 126179 125W179 1356219 145 6249 1556309 164% 6389 5ll WIDE BLADE 6W EXTRA WIDE SERIES 4008 FOR SPEED NG ADVANCED DESIGN ND 1 IN PYLON RACING LEADING SPEED RECORD HOLDER OP ALL TIMES AC PYLON RACING DIA PITCHPR ICE 5%3Y4129 755%6149 7SN 5%N 6N149 8%6%6%7 7%7%189 96%7 7A7%189 CONTROL LINE SPEEO& RACING DIA PITCH PRICE 4%6A7129 4555%129 6788%149 77A1OA11169 899189 89N 9/N189 8%77%189 912 13219 N NARROW model continued interest model itself fullscale prototype looks like some has worn off already Word has Dick Buck now flying Bob Hiseys ships Toledo Weak Signals field Welcome scale Radio Technique/Myers continued page 79 retain well-known highly-regarded Pro-line fine tuning variety servos offered sys tem has PLS-l great gener al purpose size small light enough satisfactory 1/2A racer yet strong enough control piped-60 pattern model older Pro-line servos compatible new system arent obsolete just because newer system being manufactured Which nice way treat customers Some people want lessless weight smaller dimensions Fig 4 shows Kraft satisfying desire 12 oun ces KPS-18 smaller Cannon Mini Like leather upholstery custom-built car servo feels sounds quality its 30000-rpm motor tiny output wheel jewel work art isnt cheap once again get what pay Ive yet see larger servo pre cise its centering balanced its action Bob Aberle proud owner hes feeling good lets look tie ribbon discussion American manufacturers still offer lot quality plenty variety Before buy ing cheapest thing thats offered give Made America serious thought pay what get what get RC Simulates/Akelewicz continued page 22 RC RSPAMs RSPAM 1/Charioteer rimental Wing span 36 diameter Length 48 Weight 7 10 lbs K&B 40 RSPAM 2/AURIGA Private type 4passenger Wing span modified 42 diameter Length 49 Weight 7 11 lbs K&B 40 Supertigre 46 RSPAM 3/AURIGA II Private type two place Wing span modified 36 diameter Length 411/2 Weight 5 9 lbs K&B 40 Fuselage mainframes thin plywood Balsa No land urethane foam contour No 2 3 Wings urethane foam No 1 2 Styrofoam meat tray ribs capstrips No 3 Covering three colored polymer heat-shrink film RC equipment MRC 5-channel No 3 RS Systems 6-channel No 2 Comments welcome SASE would appreciated would like reply RC Scale/Wischers continued page 24 area 165 ounces per sq ft lightly loaded plane Choosing Contest Model collec tion have four WW planes Sopwith 1 Strutter Bristol M-l monoplane Nieuport 27 Nicuport 17 lightly built Sopwith extremely light detailed plane having wing loading 136 ounces per sq ft planes well Douglas have problem high wind because pepetration poor due over-abundance drag worse handling gusts ground turbulence because low wing loadings airplane has light wing loading its stalling speed same less wind velocity diffi cult handle realistically takeoff landing will lift off short run its landings have no roll-out after touching down result re motely realistic leads conclu sion true realism will-o-the-wisp attainable under ideal conditions sel dom found contests Sailplanes because clean aerodynamically usual ly successful overcoming adverse conditions ballast penetration Under ideal conditions World War planes joy fly cannot sensi bly use Nats hoping lucky flight before easy judges know some flight scores may little half what re quired stake 1977 Nats chance represent US next World Championships needed therefore minimize luck element especially true warned beforehand strong wind could expected Riverside during Twin Stik Trainer 19 30-size engines twin has exceptional single-engine per formance proven docile flying character istiCs long-popular Stik series multichannel kits should make Twin Stik Train er easy handle twin can cluded kit two lightweight aluminum engine mounts nylon blocks preformed landing gear molded nylon steerable nose gear bearing hinges etc Span 54 4-channels $4995 Midwest Products Co 400 5 Indiana St Hobart IN 46342 product review product review product review 84 Model Aviation NEWS FLASH Bob Smith Chatsworth CA set new World Speed Record June 19 Pylon mula Ii 125 RevUp 8%-6% new Pylon Rac ing propl Droduct review product review product review day choice plane subject serious modeler therefore com promise competitive spirit hopes high placing result have often felt choice planes sometimes no chance win satisfaction building possessing flying ship reward enough true plane lightest wing loading Nats highest flight score also true really Sport Scale plane entered AMA Scale protest against pattern-type flights high-flight-score Brandenberg Flying Boat expected fly well unencum bered detail needed AMA scale respect consistent wisely kept grounded during windy gusty fourth round Sports events such platform diving figure skating have advantage over scale contests judges usually persons performers time contest directors may knowledge able hut cannot hope educate team judges have seen contem porary planes airport Present rules limit entries known types modeler privileged build whatever likes has right expect fair judg ing no matter obscure subject should expect judges aware its capabilities Only World Champion ships recently Las Vegas judging consistently high quality Report Paris December meeting Committee Interna tional Aeromodeling CIAM held Paris headquarters FAI deci sion made clears way 1979 change model weight R/C Scale 5 kg 11 lbs 6 kg 1322 lbs Engine size remains same 61 cu maximum brings FAI models nearly alignment 15 lbs permitted under AMA rules actually affects builders now have plan build planes FAI competition effect permits con struction larger planes can have sufficient wing area avoid becom ing proverbial lead sleds past model could kept under 11 pounds limiting its size result wing loadings approached maximum 3276 ounces per sq ft fixed weight electronics engine now becomes smaller percentage gross weight RC CL Scale significant change static flight scoring will come effective immediately complex ity K factor static scoring has de leted fidelity craftsmanship K factors now combined follows 1 FuselageKl0 2 Wing equivalentK 10 3 Tail surface equivalent empennageK9 4 Landing gearK9 5 Propulsion unitsK8 6 Cockpit cabin detailK4 Pattern Scale popular Quickie K & 500 racing event front rotor type en gine incorporates large by-pass 40 iiLpower produced unique machining process special Perry Carburetor coupled exhaust/throttle control linked carbure tor provides instant response slow smooth idle top speedl Squish Band high performance head Exclusive K & B no tension single ring aluminum piston does away long break-in period j like j RE IIIIIa 7 Finish color markingsK 11 8 Special ingenuityK 4 addition reducing judges work load will change scoring method certain types planes previously benefited As example model plane metal fuselage could have awarded high points because prototype complexity points multiplied K factor give ad vantage type plane Under new scoring system fabric-covered fuse lage equal metal because now scored fidelity craftsmanship new arrangement becomes near ly alignment AMA scoring sys tem ideally gives planes equal chance compete regardless prototype age type construction materials used shape replace complexity points pre viously given individual parts plane new complexity bonus RC CL Scale order compensate models complex prototypes inherent disadvantages flight fol lowing bonuses shall awarded form percentage total flight score Wings% Bonus Monoplane0 Biplane single bay5 Biplane double bay10 Triplane15 Quadruplane20 April1978 85 SUREEUEE..F HAZELNUT CATALOG 25c MBH-30 AE RONCA C-3 20% PLAN MODERNISTIC MODELS PO B0X6974ALBUQ NM 87107 quadruplane retracts know past experience plane would need 50% additional flights points would operating under enormous handicap Multi-engine planes likely candidates benefit bonus system Other changes affecting 1978 World Championship England include stipulation cruising speed prototype must stated flight scoring form assure accurate scor ing realism flight RC Scale taxi maneuver now same specified AMA rules except after landing no taxi back hangar dummy pilot now mandatory maxi mum flight points its weight inclu ded model weight number landing circles now reduced its diameter now 25 meters rules now frozen next four years changes can made R C Aerobatics/Va nPutte continued page 23 have seen products few manufacturers several particularly outstanding miniature carburetor designed Ben Tarnofsky Cox Tee Dee 049/051 good ex ample Tarno carburetor has Tee Dee slow down real purr especialNOT TO SCALE CENTERING WIRE ratios K factors complexity bonus percentages totals remaining same Las Vegas Scale Event Word has just arrived Walt Schroder Model ir plane News will no museumtype scale contest 1978 Reasons given extra days work involved burden placed upon Bill Bennett staff conducting contest vir tually lasts two whole weeks Since 1978 Tournament Champions will Standoff Scale models full-size aero batic airplanes Bill feels will still have quite bit offer scale buffs Bill Bennett says very sorry concept dual contest did work out want personally apolo gize scale builders excluding next years contest Bob Wischer Rt 1 S-221 Lapham Peak Road Delefield WI 53018 ly used muffler Davis Diesel Development has diesel conversion kit use Cox 049/ 051 engine conversion requires simple replacement glow head diesel conversion head Iwonder anyone has tried Tee Dee 049/051 Tarno carburetor Davis diesel head surprising new acces sory developed airplanes retractable landing gear Robart A-justo jig Flight Dynamics Inc market main gear retracts Robart also offers three gear set beautifully 2-56 NUT-I- BOLT N N 2 Engines Single Two engines Three engines Four engines Above four Landing gear Fixed Tricycle Fixedone two wheel Retractable tricycle Retractableone two wheel 0 10 15 20 25 0 5 10 10 General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio en gines must per prototype en gines must operate Judges shall decide upon appropriate % bonus ap plied flight score model dur ing static scoring procedure 10% additional points retracting landing gear first glance appear high approximate amount awarded under AMA rules really large percentage could built up some enter prising researcher discovers four-engine STEER WHEEL THREADED PUSH ROD SOLDER NUTS ON EACH SIDE H LENGTH TO SUI SIDE L4 STRIPAILERON HORN WHEN GEAR ISMAX FREE TO SLIDEw-I 3/4 RETRACTED SPOT OF SOLDER TO HOLD HORN ON Modification Rhom nose gear direct pushrod actuation eliminates steering cable hook-up Can placed either side strut firewall installation Idea Jack Aycock 86 Model Aviation 4 E3Y KITS OF WORLD CLASSIC AIRCRAFT FROM O 37141924 9145599419 * 942093444 4494Ud LUTON 940444995599 ,dI 9993 Eg4.d 244544444434494993414. 94441998-429 49944 9l4 1 flY 4~8 944 4444991495 K g4 949444444p49.A big 3014 l4h.gp. flghly 411 p94. Send 25t catalog See yourdeater FLYLINEs classic kits NOW FLYLINE MODELS INC HEINKEL HelOOD TIONALS 41999A4544 p.949. 444b49 549 99 4 III 12 444144 93 954