Contml Line Scale Bill Boss ONE pleasing sights respect model airplanes upon takeoff see landing gear retract model climbs altitude after flight see gear extend plane its final approach toward touchdown time gear retraction employed adven turous modelers today various ready-made reliable systems gear-retraction feature has become commonplace however part retract operation can really troublesomethat closing wheel well doors employed model have chosen Such case Charles Hanson Zion IL has chosen Top Flite P-39 Airacobra installing retracts first time Charles wrote asking might some ready solution form pre vious publication general information to close wheel well cover doors did find anything previously published did send him information accomplished closing cover doors own Top Flite P-39 accompanying photos show innerdoor operating mechanism used main landing gear identified PIX-A letters B C part shown main part mechanism made A-in brass channel A-in brass tubing A-in piano wire Operation unit simple As wheel retracting enters wheel well tire pushes units extended arm upward doing pulls inner door closed wheel completes its travel wheel well Start construction bending piece piano wire Z shape seen PIX-A height Z should approximately 1 end pro jects open wheel well should about 1 / long other end should about A-in long will inserted one-in piece A-in ID brass tubing soldered will eventually mounted hardwood piece shown D A-in motor mount material will nicely piece brass channel now pre pared drilling series about five /6 clearance holes starting end channel spaced about / apart holes completed cut channel off length 1 channel now soldered Z-shaped wire about 450 shown Also added time piece tubing between piano wire brass channel additional support prevent flexing channel during operation unit finished mounted hardwood mount D accomplished drilling clearance hole through hardwood Place unit through hole secure soldering washer place shown PIX-A Please note sure movement within wood mount completely free landing gear already installed put retracted position Position completed unit piano wire projecting wheel well will lie lower half wheel proper position found cut off hard wood mount fits snugly between ribs shown can now tack-ce ment D place will epoxied place later next step make mount Continued page 164 Beautiful graceful Bills Top Filte P-ag L above circles gear up flaps down 8-lb model powered Enys 60X very stable gear up down Retracting gear Including good wheel well door closure good extra Scale points well being crowd-pleaser other three pictures show details Bill gets good Inner wheel well door closure parts made materials usually found modelers shop local hobby shop Theres Information column SPACER Auaust 1984 71 THIS FUEL FEATURE& ORUST PREVENTiON AGENTS ODETERGENTS OLUBRICAllON WITH HIGH FLASH POINTS eWETTING AGENTS FOR MOPE EFFICIENT AND DEPENDABLE FUEL FLOW OANli-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF UDS Avalabre FAI 5 10 15 25 & e0% Nifro-Methane Contents Formulated synthetic lubricants Also oaiIabe castor DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT competihan fu fast becoming THE CHOICE Mth top protesionals first cash product Contact us price structures ordering information Manufacturers Major Brand Distributors Model Engines Kits Radios Accessories SUPER K Fuels brand KINGS RADIO CONTROL HOBBIES U INTERNATIONAL 3960 west 16 Ave Hlaleah Florida 33042 305 557-2024 promising area improvement ap pears propellers became convinced key achieving sealevel performance getting airplanes fly fast enough feel air thick home Since felt engines already near peak output opted com bine less diameter pitch seemed work well used 11 x 7W Zinger got improved performance im mediately Unfortunately got performance wanted both ships flying 49 51 second laps resulting difficulty precise maneuvering Going longer lines mitigate speed increase will require horsepowerand unfortunately horsepower left town same ship lift Turning extra diameter pitch will problem home Te sum up can fly Stunt Reno Thats good news bad news competitively youll have make compensations Most com pensations will have done during construction allow lighter weight will turn require B Less airspeed fly competitivelywhich turn will require C Less horsepower what certainly will have Maximize lift potential using full-span flaps Reduce lift requirements giving up 20-point finish gain 50 flying points instead Have follow ing available find yourself unable get performance need 1 Larger venturi intakes 2 Access nitro methane 3 Props pitch 4 Consider using solid lines drag reduction will result less required horsepower dry mountain air should make comparatively trouble-free things considered think Reno Nats will exciting years Id also willing bet once get taste super-light wing loadings us will able stand old lead sleds Mines going weigh under 40 ounces OS 45F5R about yours Ted Fancher 158 Flying Cloud Isle Foster City CA 94409 CL ScaleIBoss Continued page 71 inner wheel well cover door Note inner door has small U-shaped connec tor inner door oper ating arm will attached 0-80 screw something equivalent size see PIX-C operating arm connector made 010 brass shim stock has holes drilled appropriate size con nection operating arm attach ment inner door nylon hinges operating ann connector sheet brass E outer door attached A6 flathead aluminum rivets brass sheet outer door used soldering door main landing gear leg After inner door mounted retract gear hold inner door closed masking tape other means now ready make inner door operating arm marked B pho tos arm made piece A6 piano wire about seven inches long started making connector-end will mated U-shaped connector already inner door end-connector made piece soft brass tubing about Y-in long about two-thirds its length flattened squeezing pair pliers Solder end wire drill clearance hole flattened portion 0-80 screw other connecting device Now bend shape wire will clear retracted wheel can also mated inner door operating-arm connector appropriate hole brass channel unit have arm bent proper shape see PIX-B -C general shape place 3/-in-long tubing spacer arm 90 0 bend atContinued page 16 164 Model Aviation specially formulated chemically balanced fuel top performance minimum engine wear weather condition fly stuut should belong PAMPA Write PAMPA Pro Stunt Headquarters 9 Union Avenue Little Ferry NJ 07643 tach arm both ends now ready first gear extension see system works OK works well first time thats great may have adjust shape operating arm slightly important fin ished unit operate very freelyno binding rubbing allowed satisfied works well attach operating arm permanent ly both ends door-end screw cotter pin other end small piece brass tubing soldered place last item installed very lightly tensioned spring C will assure full opening door upon gear extension spring mounted tubing spacer wing rib shown PIX-B spring will also prevent door being pushed closed airflow during flight prior retraction thing remaining done attach wheel well outer door main gear leg epoxy hardwood mount between ribs shown PIX Please note few dimensions have given writeup because idea cover door opera tion shown P-39 could applied size model similar landing gear operation Next month Ill have few words sketch nose gear cover-door operation Contest activity July 21 22 1984 countrys biggest Control Line contests will take place contest Clevelands 47th Jr Air Races run annually Division Recrea tion Cleveland Aeromodel Socie ty Nine circles eight paved grass will available 30 events flown Precision Sport Scale included events full details about great contest write Cleveland Aeromodel Society PO Box 16091 Cleveland OH l16 Attn Jr Air Races 84 Fuel tanks recently-received brochure Carolina-Taffinder 8345 Delhi Road Charleston Heights SC 29405 conmined details about great variety fuel STINSON VOYAGER Wing Span 68 Engine Size 35 40 Balsa Ply & Hardwood Construction Detailed Plans Instruction Booklet 3-5 ENTERPRISES 0 Box 82 Belmont Ontario NOL 180 Phone 1 519-6444375 tanks tanks depicted brochure Racing Stunt model application sufficient number designs permit selection Scale model projects drawing included tank design cludes details such width length capacity brochure also includes listing special fuel mixtures would meet almost flying needs copy brochure write Carolina Taffinder address given previously Bill Boss 77-06 269th St New Hyde Park NY 11040 CL SpeedIHem psi Continued page 72 too could have seen workman ship involved Yes passed pull test worried about rest plane small meet Pennsylvania after repairing overlooked leak fuel tank match solder successful flighta Junior D Speed record about 155 mph Hair-raising Another youngster area kept trying fly Jet peers down him doubt ever flew planes successfully thank goodness try discourage Id wanted about 4 years older What Im pointing Speed major consideration must given keeping out younger modelers some eventsfor safetys sake addition should let beat brains out trying cope event theyre psychologically/physio logically prepared Cost must remembered factor too Dont en courage younger fliers get events can horrepdously expen sive Tell us about expense Gene Well lets look what speed events have now Ive prepared table showing events restrictions com ments Editors note table has separated letter illustrations first part column previous letter mentioned should Standard Class Modi fied Standard Class Unlimited Class Maybe world ready yet Ill relent bit Lets have Standard Class Unlimited Class Standard Class would use ex isting Speed rules following ad ditions Standard fuel No tuned pipes Two-line control systems new Unlimited Class would allow just about anything except gaseous boosts tetranitromethane metal bladed props proposed new events restrictions Standard Class EventRestrictions Formula 21Juniors Formula 40Senior-Open 166 Model Aviation NtL5 FULL LINE METAL SPECIALISTS $8950
Edition: Model Aviation - 1984/08
Page Numbers: 71, 164, 166
Contml Line Scale Bill Boss ONE pleasing sights respect model airplanes upon takeoff see landing gear retract model climbs altitude after flight see gear extend plane its final approach toward touchdown time gear retraction employed adven turous modelers today various ready-made reliable systems gear-retraction feature has become commonplace however part retract operation can really troublesomethat closing wheel well doors employed model have chosen Such case Charles Hanson Zion IL has chosen Top Flite P-39 Airacobra installing retracts first time Charles wrote asking might some ready solution form pre vious publication general information to close wheel well cover doors did find anything previously published did send him information accomplished closing cover doors own Top Flite P-39 accompanying photos show innerdoor operating mechanism used main landing gear identified PIX-A letters B C part shown main part mechanism made A-in brass channel A-in brass tubing A-in piano wire Operation unit simple As wheel retracting enters wheel well tire pushes units extended arm upward doing pulls inner door closed wheel completes its travel wheel well Start construction bending piece piano wire Z shape seen PIX-A height Z should approximately 1 end pro jects open wheel well should about 1 / long other end should about A-in long will inserted one-in piece A-in ID brass tubing soldered will eventually mounted hardwood piece shown D A-in motor mount material will nicely piece brass channel now pre pared drilling series about five /6 clearance holes starting end channel spaced about / apart holes completed cut channel off length 1 channel now soldered Z-shaped wire about 450 shown Also added time piece tubing between piano wire brass channel additional support prevent flexing channel during operation unit finished mounted hardwood mount D accomplished drilling clearance hole through hardwood Place unit through hole secure soldering washer place shown PIX-A Please note sure movement within wood mount completely free landing gear already installed put retracted position Position completed unit piano wire projecting wheel well will lie lower half wheel proper position found cut off hard wood mount fits snugly between ribs shown can now tack-ce ment D place will epoxied place later next step make mount Continued page 164 Beautiful graceful Bills Top Filte P-ag L above circles gear up flaps down 8-lb model powered Enys 60X very stable gear up down Retracting gear Including good wheel well door closure good extra Scale points well being crowd-pleaser other three pictures show details Bill gets good Inner wheel well door closure parts made materials usually found modelers shop local hobby shop Theres Information column SPACER Auaust 1984 71 THIS FUEL FEATURE& ORUST PREVENTiON AGENTS ODETERGENTS OLUBRICAllON WITH HIGH FLASH POINTS eWETTING AGENTS FOR MOPE EFFICIENT AND DEPENDABLE FUEL FLOW OANli-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF UDS Avalabre FAI 5 10 15 25 & e0% Nifro-Methane Contents Formulated synthetic lubricants Also oaiIabe castor DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT competihan fu fast becoming THE CHOICE Mth top protesionals first cash product Contact us price structures ordering information Manufacturers Major Brand Distributors Model Engines Kits Radios Accessories SUPER K Fuels brand KINGS RADIO CONTROL HOBBIES U INTERNATIONAL 3960 west 16 Ave Hlaleah Florida 33042 305 557-2024 promising area improvement ap pears propellers became convinced key achieving sealevel performance getting airplanes fly fast enough feel air thick home Since felt engines already near peak output opted com bine less diameter pitch seemed work well used 11 x 7W Zinger got improved performance im mediately Unfortunately got performance wanted both ships flying 49 51 second laps resulting difficulty precise maneuvering Going longer lines mitigate speed increase will require horsepowerand unfortunately horsepower left town same ship lift Turning extra diameter pitch will problem home Te sum up can fly Stunt Reno Thats good news bad news competitively youll have make compensations Most com pensations will have done during construction allow lighter weight will turn require B Less airspeed fly competitivelywhich turn will require C Less horsepower what certainly will have Maximize lift potential using full-span flaps Reduce lift requirements giving up 20-point finish gain 50 flying points instead Have follow ing available find yourself unable get performance need 1 Larger venturi intakes 2 Access nitro methane 3 Props pitch 4 Consider using solid lines drag reduction will result less required horsepower dry mountain air should make comparatively trouble-free things considered think Reno Nats will exciting years Id also willing bet once get taste super-light wing loadings us will able stand old lead sleds Mines going weigh under 40 ounces OS 45F5R about yours Ted Fancher 158 Flying Cloud Isle Foster City CA 94409 CL ScaleIBoss Continued page 71 inner wheel well cover door Note inner door has small U-shaped connec tor inner door oper ating arm will attached 0-80 screw something equivalent size see PIX-C operating arm connector made 010 brass shim stock has holes drilled appropriate size con nection operating arm attach ment inner door nylon hinges operating ann connector sheet brass E outer door attached A6 flathead aluminum rivets brass sheet outer door used soldering door main landing gear leg After inner door mounted retract gear hold inner door closed masking tape other means now ready make inner door operating arm marked B pho tos arm made piece A6 piano wire about seven inches long started making connector-end will mated U-shaped connector already inner door end-connector made piece soft brass tubing about Y-in long about two-thirds its length flattened squeezing pair pliers Solder end wire drill clearance hole flattened portion 0-80 screw other connecting device Now bend shape wire will clear retracted wheel can also mated inner door operating-arm connector appropriate hole brass channel unit have arm bent proper shape see PIX-B -C general shape place 3/-in-long tubing spacer arm 90 0 bend atContinued page 16 164 Model Aviation specially formulated chemically balanced fuel top performance minimum engine wear weather condition fly stuut should belong PAMPA Write PAMPA Pro Stunt Headquarters 9 Union Avenue Little Ferry NJ 07643 tach arm both ends now ready first gear extension see system works OK works well first time thats great may have adjust shape operating arm slightly important fin ished unit operate very freelyno binding rubbing allowed satisfied works well attach operating arm permanent ly both ends door-end screw cotter pin other end small piece brass tubing soldered place last item installed very lightly tensioned spring C will assure full opening door upon gear extension spring mounted tubing spacer wing rib shown PIX-B spring will also prevent door being pushed closed airflow during flight prior retraction thing remaining done attach wheel well outer door main gear leg epoxy hardwood mount between ribs shown PIX Please note few dimensions have given writeup because idea cover door opera tion shown P-39 could applied size model similar landing gear operation Next month Ill have few words sketch nose gear cover-door operation Contest activity July 21 22 1984 countrys biggest Control Line contests will take place contest Clevelands 47th Jr Air Races run annually Division Recrea tion Cleveland Aeromodel Socie ty Nine circles eight paved grass will available 30 events flown Precision Sport Scale included events full details about great contest write Cleveland Aeromodel Society PO Box 16091 Cleveland OH l16 Attn Jr Air Races 84 Fuel tanks recently-received brochure Carolina-Taffinder 8345 Delhi Road Charleston Heights SC 29405 conmined details about great variety fuel STINSON VOYAGER Wing Span 68 Engine Size 35 40 Balsa Ply & Hardwood Construction Detailed Plans Instruction Booklet 3-5 ENTERPRISES 0 Box 82 Belmont Ontario NOL 180 Phone 1 519-6444375 tanks tanks depicted brochure Racing Stunt model application sufficient number designs permit selection Scale model projects drawing included tank design cludes details such width length capacity brochure also includes listing special fuel mixtures would meet almost flying needs copy brochure write Carolina Taffinder address given previously Bill Boss 77-06 269th St New Hyde Park NY 11040 CL SpeedIHem psi Continued page 72 too could have seen workman ship involved Yes passed pull test worried about rest plane small meet Pennsylvania after repairing overlooked leak fuel tank match solder successful flighta Junior D Speed record about 155 mph Hair-raising Another youngster area kept trying fly Jet peers down him doubt ever flew planes successfully thank goodness try discourage Id wanted about 4 years older What Im pointing Speed major consideration must given keeping out younger modelers some eventsfor safetys sake addition should let beat brains out trying cope event theyre psychologically/physio logically prepared Cost must remembered factor too Dont en courage younger fliers get events can horrepdously expen sive Tell us about expense Gene Well lets look what speed events have now Ive prepared table showing events restrictions com ments Editors note table has separated letter illustrations first part column previous letter mentioned should Standard Class Modi fied Standard Class Unlimited Class Maybe world ready yet Ill relent bit Lets have Standard Class Unlimited Class Standard Class would use ex isting Speed rules following ad ditions Standard fuel No tuned pipes Two-line control systems new Unlimited Class would allow just about anything except gaseous boosts tetranitromethane metal bladed props proposed new events restrictions Standard Class EventRestrictions Formula 21Juniors Formula 40Senior-Open 166 Model Aviation NtL5 FULL LINE METAL SPECIALISTS $8950
Edition: Model Aviation - 1984/08
Page Numbers: 71, 164, 166
Contml Line Scale Bill Boss ONE pleasing sights respect model airplanes upon takeoff see landing gear retract model climbs altitude after flight see gear extend plane its final approach toward touchdown time gear retraction employed adven turous modelers today various ready-made reliable systems gear-retraction feature has become commonplace however part retract operation can really troublesomethat closing wheel well doors employed model have chosen Such case Charles Hanson Zion IL has chosen Top Flite P-39 Airacobra installing retracts first time Charles wrote asking might some ready solution form pre vious publication general information to close wheel well cover doors did find anything previously published did send him information accomplished closing cover doors own Top Flite P-39 accompanying photos show innerdoor operating mechanism used main landing gear identified PIX-A letters B C part shown main part mechanism made A-in brass channel A-in brass tubing A-in piano wire Operation unit simple As wheel retracting enters wheel well tire pushes units extended arm upward doing pulls inner door closed wheel completes its travel wheel well Start construction bending piece piano wire Z shape seen PIX-A height Z should approximately 1 end pro jects open wheel well should about 1 / long other end should about A-in long will inserted one-in piece A-in ID brass tubing soldered will eventually mounted hardwood piece shown D A-in motor mount material will nicely piece brass channel now pre pared drilling series about five /6 clearance holes starting end channel spaced about / apart holes completed cut channel off length 1 channel now soldered Z-shaped wire about 450 shown Also added time piece tubing between piano wire brass channel additional support prevent flexing channel during operation unit finished mounted hardwood mount D accomplished drilling clearance hole through hardwood Place unit through hole secure soldering washer place shown PIX-A Please note sure movement within wood mount completely free landing gear already installed put retracted position Position completed unit piano wire projecting wheel well will lie lower half wheel proper position found cut off hard wood mount fits snugly between ribs shown can now tack-ce ment D place will epoxied place later next step make mount Continued page 164 Beautiful graceful Bills Top Filte P-ag L above circles gear up flaps down 8-lb model powered Enys 60X very stable gear up down Retracting gear Including good wheel well door closure good extra Scale points well being crowd-pleaser other three pictures show details Bill gets good Inner wheel well door closure parts made materials usually found modelers shop local hobby shop Theres Information column SPACER Auaust 1984 71 THIS FUEL FEATURE& ORUST PREVENTiON AGENTS ODETERGENTS OLUBRICAllON WITH HIGH FLASH POINTS eWETTING AGENTS FOR MOPE EFFICIENT AND DEPENDABLE FUEL FLOW OANli-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF UDS Avalabre FAI 5 10 15 25 & e0% Nifro-Methane Contents Formulated synthetic lubricants Also oaiIabe castor DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT competihan fu fast becoming THE CHOICE Mth top protesionals first cash product Contact us price structures ordering information Manufacturers Major Brand Distributors Model Engines Kits Radios Accessories SUPER K Fuels brand KINGS RADIO CONTROL HOBBIES U INTERNATIONAL 3960 west 16 Ave Hlaleah Florida 33042 305 557-2024 promising area improvement ap pears propellers became convinced key achieving sealevel performance getting airplanes fly fast enough feel air thick home Since felt engines already near peak output opted com bine less diameter pitch seemed work well used 11 x 7W Zinger got improved performance im mediately Unfortunately got performance wanted both ships flying 49 51 second laps resulting difficulty precise maneuvering Going longer lines mitigate speed increase will require horsepowerand unfortunately horsepower left town same ship lift Turning extra diameter pitch will problem home Te sum up can fly Stunt Reno Thats good news bad news competitively youll have make compensations Most com pensations will have done during construction allow lighter weight will turn require B Less airspeed fly competitivelywhich turn will require C Less horsepower what certainly will have Maximize lift potential using full-span flaps Reduce lift requirements giving up 20-point finish gain 50 flying points instead Have follow ing available find yourself unable get performance need 1 Larger venturi intakes 2 Access nitro methane 3 Props pitch 4 Consider using solid lines drag reduction will result less required horsepower dry mountain air should make comparatively trouble-free things considered think Reno Nats will exciting years Id also willing bet once get taste super-light wing loadings us will able stand old lead sleds Mines going weigh under 40 ounces OS 45F5R about yours Ted Fancher 158 Flying Cloud Isle Foster City CA 94409 CL ScaleIBoss Continued page 71 inner wheel well cover door Note inner door has small U-shaped connec tor inner door oper ating arm will attached 0-80 screw something equivalent size see PIX-C operating arm connector made 010 brass shim stock has holes drilled appropriate size con nection operating arm attach ment inner door nylon hinges operating ann connector sheet brass E outer door attached A6 flathead aluminum rivets brass sheet outer door used soldering door main landing gear leg After inner door mounted retract gear hold inner door closed masking tape other means now ready make inner door operating arm marked B pho tos arm made piece A6 piano wire about seven inches long started making connector-end will mated U-shaped connector already inner door end-connector made piece soft brass tubing about Y-in long about two-thirds its length flattened squeezing pair pliers Solder end wire drill clearance hole flattened portion 0-80 screw other connecting device Now bend shape wire will clear retracted wheel can also mated inner door operating-arm connector appropriate hole brass channel unit have arm bent proper shape see PIX-B -C general shape place 3/-in-long tubing spacer arm 90 0 bend atContinued page 16 164 Model Aviation specially formulated chemically balanced fuel top performance minimum engine wear weather condition fly stuut should belong PAMPA Write PAMPA Pro Stunt Headquarters 9 Union Avenue Little Ferry NJ 07643 tach arm both ends now ready first gear extension see system works OK works well first time thats great may have adjust shape operating arm slightly important fin ished unit operate very freelyno binding rubbing allowed satisfied works well attach operating arm permanent ly both ends door-end screw cotter pin other end small piece brass tubing soldered place last item installed very lightly tensioned spring C will assure full opening door upon gear extension spring mounted tubing spacer wing rib shown PIX-B spring will also prevent door being pushed closed airflow during flight prior retraction thing remaining done attach wheel well outer door main gear leg epoxy hardwood mount between ribs shown PIX Please note few dimensions have given writeup because idea cover door opera tion shown P-39 could applied size model similar landing gear operation Next month Ill have few words sketch nose gear cover-door operation Contest activity July 21 22 1984 countrys biggest Control Line contests will take place contest Clevelands 47th Jr Air Races run annually Division Recrea tion Cleveland Aeromodel Socie ty Nine circles eight paved grass will available 30 events flown Precision Sport Scale included events full details about great contest write Cleveland Aeromodel Society PO Box 16091 Cleveland OH l16 Attn Jr Air Races 84 Fuel tanks recently-received brochure Carolina-Taffinder 8345 Delhi Road Charleston Heights SC 29405 conmined details about great variety fuel STINSON VOYAGER Wing Span 68 Engine Size 35 40 Balsa Ply & Hardwood Construction Detailed Plans Instruction Booklet 3-5 ENTERPRISES 0 Box 82 Belmont Ontario NOL 180 Phone 1 519-6444375 tanks tanks depicted brochure Racing Stunt model application sufficient number designs permit selection Scale model projects drawing included tank design cludes details such width length capacity brochure also includes listing special fuel mixtures would meet almost flying needs copy brochure write Carolina Taffinder address given previously Bill Boss 77-06 269th St New Hyde Park NY 11040 CL SpeedIHem psi Continued page 72 too could have seen workman ship involved Yes passed pull test worried about rest plane small meet Pennsylvania after repairing overlooked leak fuel tank match solder successful flighta Junior D Speed record about 155 mph Hair-raising Another youngster area kept trying fly Jet peers down him doubt ever flew planes successfully thank goodness try discourage Id wanted about 4 years older What Im pointing Speed major consideration must given keeping out younger modelers some eventsfor safetys sake addition should let beat brains out trying cope event theyre psychologically/physio logically prepared Cost must remembered factor too Dont en courage younger fliers get events can horrepdously expen sive Tell us about expense Gene Well lets look what speed events have now Ive prepared table showing events restrictions com ments Editors note table has separated letter illustrations first part column previous letter mentioned should Standard Class Modi fied Standard Class Unlimited Class Maybe world ready yet Ill relent bit Lets have Standard Class Unlimited Class Standard Class would use ex isting Speed rules following ad ditions Standard fuel No tuned pipes Two-line control systems new Unlimited Class would allow just about anything except gaseous boosts tetranitromethane metal bladed props proposed new events restrictions Standard Class EventRestrictions Formula 21Juniors Formula 40Senior-Open 166 Model Aviation NtL5 FULL LINE METAL SPECIALISTS $8950