IRacing Bill Lee RECEIVED NOTE recently some information about some available products will interest FAI Team Race Goodyear fliers letter accompanying photo came Ian Hutchinson North West Model Sup plies 122 Yorkshire St Rochdale Lan cashire England photo illustrates several items notably fuel shut off finger refueling valve various dif ferent wheels hubs both FAI TR Goodyear applications Prices range around $2 wheels $5 finger valve up $15 fuel cut-off items used Dave Clarkson noted English Team Race competitor columnist Aeromodel ler US Nats last summer Obvi ously price list order form could sending request probably stamped return envelope Ian above address However Ill copy what sent will send stamped self-addressed envelope United States special interest groups formed over last couple years should interest FAT Team Race fliers particular racing fliers general FAI Control Line Society FAICLS started 74 Nats original goal promote FAI control-line flying United States prime movers behind organization Jim Dunkin Bill Wright Continued page 87 1/64 Plywood Insert 0riqnaI Ostline KGL cWEAT LA 4u0aace4 7th Annual #4 4Pre-Season Radio System Check-up pcs Valid until May 151977 FULL TIME TECHNICIANS FACTORY TRAINED ST TEST EQUIPMENT NEW MODERN SHOP ONLY GENUINE FACTORY PARTS SFACTION GUARANTEED r PR-SESO SPSCIAL ONLY $2595 plus posfaqe Perform Transmitter Battery Load Check Perform Transmitter Crystal Frequency Count Perform Receiver Battery Load Check Check Battery Charging Circuit Tune Transmitter R F Check Receiver Sensitivity & Adjust Align Receiver RF IF Stages Check Receiver Logic Align Transmitter Encoder Check Servo Stalled Motor Current Repair parts additional $2595 500 $2095 Less AMA COupon Repair ______ Met Cost Check Servo Mechanics Adjust Servo Centering Perform System Servo Noise Check Shock Test Complete Airborne System Range Check System System Flight Test Necessary AMA Membership Bonus oe Kratt Great Lakes Inc 6787 Wales Ave PO Box 2482 North CantonOhio 44720 BankAmericard Master Charge Weteume feet attached engine mounting bolts come through body engine/fuel tank package can transferred another plane very easily last note have running plane conventional tank set-up move inboard will probably have add wing-tip weight took another half ounce properly trim model dont add weight model may visit out center circle Looks like FAT Trials will St Louis over July 4th holidays se lection process will pick three best pi lots alternates necessarily best team Team members will have fly well will have pit fellow competitors Good pilots arent necessarily good pitmen nor will team entirely compatible AMA HQ note hasnt yet determined wheth er US Combat Team will consist three pilots three pilots plus three pitmen Rules interpretations Remembering what just read about fire would consider plane flyable outboard wing burned off rest plane sound safe fly What think about person being disqualified cause engine blew up crank prop left airplane happened recent combat meet rules say lose part airplane falls off result collision always thought breaking cranks kind act God rather poor misfortune pilot Charlie Johnson 3716 Ingraham St San Diego CA 92109 714 273-6530 CL Racing/Lee Continued page 28 Missouri Glenn Lee Illinois chief self-appointed ultimately suc cessful trouble-maker Doctor Laird Jack son Pennsylvania Over course past couple years FAICLS has become established recognized special-interest groups seemingly important ingredient common special-interest groups good means regular communication its members Thanks primarily efforts Doc Jackson FAICLS com munication medium established publication Gazette news letter has become important source information FAI flier both racing speed Gazette originally tied FAICLS has expanded recently cover speed now also publication NASA North American Speed Association Mem bership either NASA FAICLS will get Gazette part dues eign subscriptions $10 primarily airmail postage Addresses interest FAI Control Line Society Stan Clough Secretary 111 5th Artillery Rd Ft Leavenworth KS 66027 NASA Jill Russell Secretary 4803 Fallon P1 Dallas TX 75227 Gazette 523 Meadowbrook Circle St Davids PA 19087 Sanding Aid very handy way sand new super stunter make home made sanding blocks using 12 hard balsa blocks various grades paper glued stuck sides Try 180 side 100 other long blocks great sanding wing leading edge trailing edge flaps stabs top bottom blocks paper gets worn just peel off old glue new glue right over old trick old Aldrich maybe some newer folk would like try local hobby shop also have what known Tee-Bar piece aluminum extrusion use same way Try self adhesive sandpaper Tee-Bar comes several differ ent sizesturn page April 1977 87 KRAFT ce Jack Yarger Mark Porter 216 499-8310 o fteca4iia/ 4ewcee Missing Persons order clear up some mysteries nearly completed History stunt-1940-1976 writer seeks help locating two stunt champions 40s Robert Bob Daily won open stunt division 1949 Na tionals first utilize I-beam wing construction origi nally Ferndale Michigan W Howard Thombs won Walker Cup 1949 flying according George Aldrich profile biplane about 12 degrees engine offset Thombs originally Warren Ohio later supposed working aircraft company Texas Any information whereAVAILABLE NOW 11916 SOPWITH PUP 2 1917 BRISTOL FIGHTER 3 1931 AVRON TUTOR FILMED ENTIRELY ON LOCATION AT Shuttleworth Collection OLD WARDEN AERODROME BEDFORDSHIRE ENGLAND MOST OF THE FLYING MA CHINES IN THIS UNIQUE COLLECTION ARE THE LAST REMAINING ORIGINAL SPE CIMENS ACTUALLY FLYING ANYWHERE IN THE WORLD abouts two stunters would ap preciated Canada good fortune Dayton Nats have several foreign en trants FAI Team Race team Brian Fairey Ken Parent Canada attended after representing coun try world champs July nota ble aspect TR effort use engine own design con struction RAM Mk III engine first seen world championships Dayton Nats placed second behind team Jed Kusik Larry Jolly US engine ATUENTION AMA CLUBS POLKS EXCLUSIVE WINGS OF HISTORY NOTAVAILABLE ANYWHERE ELSE IN THE USA Super 8mm Home Movies Color Lots action Lots authenticity See legendary 1916 Sopwith Pup WWI Bristol Fighter F2b 1917 Avron Tutor ual flight taking off landing fabulous close-ups showing detailings Natural Color Bristol Fighter film features exciting chase LVG CV1 films must flying buffs film library Remember available Polks SOUND & SILENT VERSIONS Magnetic Sound Versions$3500 Silent VersIon2500 ContaIned 200 ft Spools authentic sound original engines history narration D IS RECOM MENDED FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS. POLKS HOBBY DEPT STORES 314 FIFTH AVE. 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW LI. NY 11554Tel 516-489-1166 TRADE INGUIRIES INVITED WRITE POLKS 346 BERGEN AVE JERSEY CITY NJ 07304 result some four years extensive development effort two Canadians engine conventional design exception three features 1 The two-piece cylinder head consists high silicon content aluminum contrapiston sliding directly aluminum cylinder head contra-piston con trolled differential compression screw drives contra-piston increasing compression draws contra-piston decreasing compression high heat transfer aluminum alloy combined short heat path well finned head con tributes non-critical compression setting 2 The underside piston crown grooved drilled tapped wrist pin held place two 2-56 ton head cap screws allows bypass windows cut higher piston wall would otherwise interfere wrist pin conventional piston 3 The filler valve body cast urethane resin integral brass-tube liner pre-soldered brass pipes two-piece filler valve hard anodized aluminum alloy lapped fit brass liner valve body Cox-style venturi screws valve body also retains cut-out trip spring present time no plans commercial production engine al though raw castings available necessary machining facilities anyone interested informa tion contact Equipe Canada 242 Bellehaven Dr Waterloo Ont Some dimensional particulars Type Single cylinder air cooled Schnuer le loop scavenged two stroke diesel rear rotary drum valve twin ball bear ings Bore 574 Stroke 579 Displacement 2485 cc 1511 cu Bore/stroke ratio 99 14 Weight 165 gins Hints Its strange little things course building new 88 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST R/C BASIC TRAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-RAYand dealers sold themSHALL WE SAY MORE Andreses Aircraft Model Co Inc US Rte 1& North St Topsijeld Mass 01983 8878541 Price $3495 kit per doflar em series great value-for air enthusiastcollector-modeller-and enjoy historic aircraft model obvious newcomer experienced modeler forgets about until construc tion cycle again Ive working past few weeks Scoville Stardust talked about last column few tricks use probably would interest others picked up RC boys least first place saw insetting plywood edges balsa surface See drawing illustration technique Now ask would anyone want inset plywood edge balsa surface Well couple reasons First plywood provides hard edge sand since hard edge find surface lot durable less prone damage Second surprising amount strength gained plywood very small weight penalty Ive used technique balsa thin Ive used tail surfaces Goodyear well such places leading trailing edges wings thicker So get good stuff put together First must determine edge balsa want plywood generally center piece could offset airfoil shape being carved Next need cut slot edge balsa has about Y4 deep accurately cut trick comes easiest way get slot use small circu lar saw drill press saw set just right height cut slot want feed balsa piece through saw blade very slowly keep cutting under control cut slot Ive found normal saw comes Dremel Moto tool too thin tends flex wander over place youre trying cut slot However Ive found similar saw blade thicker 012 has larger mandrel gives very nice smooth cut just right thickness insert piece 1/64 plywood Its made Gyro company should available local hobby shop come four sizes $l 70 t$l85 1$200 1$235 also mandrel required runs 95 different Dremel mandrel cant find product locally local hobby shops Houston does mail-order business carries line saw blades Write G G Model Shop 2522 Times Blvd Hous ton TX 77005 use rel gives slot Another problem run building Scale Racer Rat make Monoline buttons necessary attaching control lines internally model After having tried tech nique could think notable lack success stumbled across method really works quite easy First April 1977 89 IL AC ANNUAL 2 DAYS ONLYSATURDAY & SUNDAY MAY7 MAY8 10 AM -8 PM 11 AM -6 PM SEE IT ALL RADIO CONTROL PLANES COPTERS S U-CONTROL * FREE FLIGHT INDOOR-OUTDOOR DEMONSTRATIONS MODEL AND CRAFT SHOW IGIANT STATIC DISPLAY CONTEST Open public * Over 200 Award SI OVER 250 EXHIBITORS 0 SQ FT CENTER ANAHEIM CALIFORNIA NONSELLING SHOW Th COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT 14 ISSuE LET US KNOW WHERE YOU ARE GOI move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept. Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 Check appropriate boxenclose payment C NEW SUBSCRIPTION C CHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NAME ADDRESS CITY/STATE _______________________________________________ ZIP ________________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 Co2 INSTANT POWER Midget GIANT-SIZE rhis engine will power model pLanes peanut scale up 24 wIng span effortlessly power 45 seconds adjusted run up 5 minutes per charge 002 bulb can charge engines tank 6 10 times Shark manufactured finest pre cision using nylon crank case cylin der piston CfJ2 fuel safe expensive easily available flick prop Shark roars action bulb will give 6 10 flights under ideal condi tions Engine Includes Fuel Tank Propel ler Charging Sun No Batteries Glow Plug Messy iiei utnicirn-to-aet $199 5 Needle Valve No cut hands won about either FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS POLKS HOBBY DEPT STORES 314 FIFTH AVE 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW Ll. NY 11554 Tel 516-489-1166 TRADE INQUIRIES INvITED WRITE POLKS 346 BERGEN AVE. JERSEY cITY-NJ 07304 NEW 1295 FORD TRI MOTOR 1195 Unique because such amazing scale dpt kits relatively ays such-~edglfl MIn4Ied tbin 0urneWctlanne Wail see 01her sprifl9cW rly shown that SN iignly detailed Plastic Parts uulng touch realism-in-miniature NEW MESSERSCHMIi 1 495 ready bolt placeComplete control system less handle lines decals landing gear wheels etc makes building cinch assembly literally minutes can use 049 engine R0 Nifty control line models Theyre easiest ones world assembleall wood no tissue coveringonly 6 9 parts depending model ex cept Biplanes have few Genuine Nylon motor mount THEYRE AT YOUR DEALER GET OVER AND SEE THEM NOW hardware store buy piece Adiameter mild-steel rod Ive seen displays several different local stores rod should easily available almost anywhere price should less $1 Next cut off couple inches chuck up -in electric drill Clamp drill workbench held quite steady Moto Tool put thin cut-off discs drill turning rod very carefully smooth end rod cut-off disc Moto Tool Now put second cut-off disc mandrel along first will give about 050 thick cutter drill turning rod make slot about 025 end rod leaving center about 100 in diameter Now go back single cut-off disc cut rod off about 025 beyond slot just made Bingo perfect button use internally connected controls might want smooth bottom slot single disc before cut button off rod abso lutely necessary have have access Unimat-type lathe simply use drill chuck let lathe takethe place drill have found use cut-off discs Moto Tool superior trying use bit lathe Rules changes now have un doubtedly read rules changes have proposed especially pertain Control-Line Racing events Im sure rules change pro posals will meet universal acceptance few have already drawn some fire Let quote letter Tim Gillott best racing competitors have sport December 76 issue MA Racing Advisory Committee RAC has made several rule change recommendations feel betterment control-line racing agreement find two end first CL-78-17 RAC ban internal line hook-ups rac ing planes safety reason dis agree feeling internal systems safe safer external hook-up feel either way adequate long proper care taken further dont take care internal hook-ups wont take better care external ones either feel fol lowing reasons should considered 1 No leadouts and/or line connectors often tangle cause trouble 2 No leadouts continually battered during transport storage times have straightened bent leadout Probably quite few 3 1 internal system inspected time hook up external generally buried permanently cant inspected 12 years racing have never seen line break point exit have 90 Model Aviation fltf LAcrMn3np flLLflfl TIGER MOTH BEGINNERS TOLEDO 23 ANNUAL RADIO CONTROL EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Unquestionably worlds control show its open three great days Plan greatest radio public now attend APRIL 12&3 FRIDAY 9am 6pm SUNDAY9 am 330 pm 197k SATURDAY9am 6pm presented WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 43613 XPAAI IZACIL 4 solid leadouts bent during rough landing causing crash takeoff often taking other planes have also seen line clips/leadouts become tangled same results Neither things can happen properly installed cared internal system conclusion feel no valid reason handicap us have use ternal system banning rac ing After FAI TR safety conscious allows second CL-78-16RAC ban exhaust extensions racing heartily agree megaphones fulllength pipes should outlawed feel minipipes should allowed easily cheaply obtained used anyone since no secret except cut try would also create havoc rear exhaust engines Rat Race especially what constitutes static performance gain Tims concern rules have live example racing fliers should follow Ive said until Im blue face dont contrib ute dont have reason complain about results current rules cycle cross-proposal stage open AMA member may put cross proposals original pro posals passed CLCBs initial vote Obviously Tims concern least pro posal 16 deserves cross proposal hope follows through normal channels open him other AMA members also have CLCB person district talk represents you convince him vote way think WR Lee 3522 Tamarisk Lane Mis souri City TX 77459 ci Aerobatics/Paul Continued page 29 tip weight 1976 airplane has completely removable right wing tip held 4-40 screw Two pegs help lo cate tip its very difficult see separation line between tip wing Columbus Ohio resident always has slickest finished planes Nationals writer good tune fly Joes 38-oz Max-powered light-weight last summer quite thrilling experience feel bantam weight lines after Pampawagon 60-oz beasts Let tell light plane can really change attitude toward pattern High-Power Engine Control-line Carrier event National Champion Carlos Aloises recent entry stunt special prod ucts field has caused ripple inquiry speculation Carlos claims has 58-oz 40 engine powerful ST 46 also has 92-oz 50 engine powerful ST 60 World Champion Les McDonald will soon test 50 states engine basic ally ST 46 has stroked re ported later Hope work Special Interest Groups Control-line now has five special interest groups PAMPA MACA FAI Control-Line Society North American Speed Association CLRPM associated monthly publica April 1977 91 r Bob Galles Midas Beautifully finished ship built magazine plans Spanning 61 in. has built-up wing Supertigre 46
Edition: Model Aviation - 1977/04
Page Numbers: 28, 87, 88, 89, 90, 91
IRacing Bill Lee RECEIVED NOTE recently some information about some available products will interest FAI Team Race Goodyear fliers letter accompanying photo came Ian Hutchinson North West Model Sup plies 122 Yorkshire St Rochdale Lan cashire England photo illustrates several items notably fuel shut off finger refueling valve various dif ferent wheels hubs both FAI TR Goodyear applications Prices range around $2 wheels $5 finger valve up $15 fuel cut-off items used Dave Clarkson noted English Team Race competitor columnist Aeromodel ler US Nats last summer Obvi ously price list order form could sending request probably stamped return envelope Ian above address However Ill copy what sent will send stamped self-addressed envelope United States special interest groups formed over last couple years should interest FAT Team Race fliers particular racing fliers general FAI Control Line Society FAICLS started 74 Nats original goal promote FAI control-line flying United States prime movers behind organization Jim Dunkin Bill Wright Continued page 87 1/64 Plywood Insert 0riqnaI Ostline KGL cWEAT LA 4u0aace4 7th Annual #4 4Pre-Season Radio System Check-up pcs Valid until May 151977 FULL TIME TECHNICIANS FACTORY TRAINED ST TEST EQUIPMENT NEW MODERN SHOP ONLY GENUINE FACTORY PARTS SFACTION GUARANTEED r PR-SESO SPSCIAL ONLY $2595 plus posfaqe Perform Transmitter Battery Load Check Perform Transmitter Crystal Frequency Count Perform Receiver Battery Load Check Check Battery Charging Circuit Tune Transmitter R F Check Receiver Sensitivity & Adjust Align Receiver RF IF Stages Check Receiver Logic Align Transmitter Encoder Check Servo Stalled Motor Current Repair parts additional $2595 500 $2095 Less AMA COupon Repair ______ Met Cost Check Servo Mechanics Adjust Servo Centering Perform System Servo Noise Check Shock Test Complete Airborne System Range Check System System Flight Test Necessary AMA Membership Bonus oe Kratt Great Lakes Inc 6787 Wales Ave PO Box 2482 North CantonOhio 44720 BankAmericard Master Charge Weteume feet attached engine mounting bolts come through body engine/fuel tank package can transferred another plane very easily last note have running plane conventional tank set-up move inboard will probably have add wing-tip weight took another half ounce properly trim model dont add weight model may visit out center circle Looks like FAT Trials will St Louis over July 4th holidays se lection process will pick three best pi lots alternates necessarily best team Team members will have fly well will have pit fellow competitors Good pilots arent necessarily good pitmen nor will team entirely compatible AMA HQ note hasnt yet determined wheth er US Combat Team will consist three pilots three pilots plus three pitmen Rules interpretations Remembering what just read about fire would consider plane flyable outboard wing burned off rest plane sound safe fly What think about person being disqualified cause engine blew up crank prop left airplane happened recent combat meet rules say lose part airplane falls off result collision always thought breaking cranks kind act God rather poor misfortune pilot Charlie Johnson 3716 Ingraham St San Diego CA 92109 714 273-6530 CL Racing/Lee Continued page 28 Missouri Glenn Lee Illinois chief self-appointed ultimately suc cessful trouble-maker Doctor Laird Jack son Pennsylvania Over course past couple years FAICLS has become established recognized special-interest groups seemingly important ingredient common special-interest groups good means regular communication its members Thanks primarily efforts Doc Jackson FAICLS com munication medium established publication Gazette news letter has become important source information FAI flier both racing speed Gazette originally tied FAICLS has expanded recently cover speed now also publication NASA North American Speed Association Mem bership either NASA FAICLS will get Gazette part dues eign subscriptions $10 primarily airmail postage Addresses interest FAI Control Line Society Stan Clough Secretary 111 5th Artillery Rd Ft Leavenworth KS 66027 NASA Jill Russell Secretary 4803 Fallon P1 Dallas TX 75227 Gazette 523 Meadowbrook Circle St Davids PA 19087 Sanding Aid very handy way sand new super stunter make home made sanding blocks using 12 hard balsa blocks various grades paper glued stuck sides Try 180 side 100 other long blocks great sanding wing leading edge trailing edge flaps stabs top bottom blocks paper gets worn just peel off old glue new glue right over old trick old Aldrich maybe some newer folk would like try local hobby shop also have what known Tee-Bar piece aluminum extrusion use same way Try self adhesive sandpaper Tee-Bar comes several differ ent sizesturn page April 1977 87 KRAFT ce Jack Yarger Mark Porter 216 499-8310 o fteca4iia/ 4ewcee Missing Persons order clear up some mysteries nearly completed History stunt-1940-1976 writer seeks help locating two stunt champions 40s Robert Bob Daily won open stunt division 1949 Na tionals first utilize I-beam wing construction origi nally Ferndale Michigan W Howard Thombs won Walker Cup 1949 flying according George Aldrich profile biplane about 12 degrees engine offset Thombs originally Warren Ohio later supposed working aircraft company Texas Any information whereAVAILABLE NOW 11916 SOPWITH PUP 2 1917 BRISTOL FIGHTER 3 1931 AVRON TUTOR FILMED ENTIRELY ON LOCATION AT Shuttleworth Collection OLD WARDEN AERODROME BEDFORDSHIRE ENGLAND MOST OF THE FLYING MA CHINES IN THIS UNIQUE COLLECTION ARE THE LAST REMAINING ORIGINAL SPE CIMENS ACTUALLY FLYING ANYWHERE IN THE WORLD abouts two stunters would ap preciated Canada good fortune Dayton Nats have several foreign en trants FAI Team Race team Brian Fairey Ken Parent Canada attended after representing coun try world champs July nota ble aspect TR effort use engine own design con struction RAM Mk III engine first seen world championships Dayton Nats placed second behind team Jed Kusik Larry Jolly US engine ATUENTION AMA CLUBS POLKS EXCLUSIVE WINGS OF HISTORY NOTAVAILABLE ANYWHERE ELSE IN THE USA Super 8mm Home Movies Color Lots action Lots authenticity See legendary 1916 Sopwith Pup WWI Bristol Fighter F2b 1917 Avron Tutor ual flight taking off landing fabulous close-ups showing detailings Natural Color Bristol Fighter film features exciting chase LVG CV1 films must flying buffs film library Remember available Polks SOUND & SILENT VERSIONS Magnetic Sound Versions$3500 Silent VersIon2500 ContaIned 200 ft Spools authentic sound original engines history narration D IS RECOM MENDED FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS. POLKS HOBBY DEPT STORES 314 FIFTH AVE. 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW LI. NY 11554Tel 516-489-1166 TRADE INGUIRIES INVITED WRITE POLKS 346 BERGEN AVE JERSEY CITY NJ 07304 result some four years extensive development effort two Canadians engine conventional design exception three features 1 The two-piece cylinder head consists high silicon content aluminum contrapiston sliding directly aluminum cylinder head contra-piston con trolled differential compression screw drives contra-piston increasing compression draws contra-piston decreasing compression high heat transfer aluminum alloy combined short heat path well finned head con tributes non-critical compression setting 2 The underside piston crown grooved drilled tapped wrist pin held place two 2-56 ton head cap screws allows bypass windows cut higher piston wall would otherwise interfere wrist pin conventional piston 3 The filler valve body cast urethane resin integral brass-tube liner pre-soldered brass pipes two-piece filler valve hard anodized aluminum alloy lapped fit brass liner valve body Cox-style venturi screws valve body also retains cut-out trip spring present time no plans commercial production engine al though raw castings available necessary machining facilities anyone interested informa tion contact Equipe Canada 242 Bellehaven Dr Waterloo Ont Some dimensional particulars Type Single cylinder air cooled Schnuer le loop scavenged two stroke diesel rear rotary drum valve twin ball bear ings Bore 574 Stroke 579 Displacement 2485 cc 1511 cu Bore/stroke ratio 99 14 Weight 165 gins Hints Its strange little things course building new 88 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST R/C BASIC TRAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-RAYand dealers sold themSHALL WE SAY MORE Andreses Aircraft Model Co Inc US Rte 1& North St Topsijeld Mass 01983 8878541 Price $3495 kit per doflar em series great value-for air enthusiastcollector-modeller-and enjoy historic aircraft model obvious newcomer experienced modeler forgets about until construc tion cycle again Ive working past few weeks Scoville Stardust talked about last column few tricks use probably would interest others picked up RC boys least first place saw insetting plywood edges balsa surface See drawing illustration technique Now ask would anyone want inset plywood edge balsa surface Well couple reasons First plywood provides hard edge sand since hard edge find surface lot durable less prone damage Second surprising amount strength gained plywood very small weight penalty Ive used technique balsa thin Ive used tail surfaces Goodyear well such places leading trailing edges wings thicker So get good stuff put together First must determine edge balsa want plywood generally center piece could offset airfoil shape being carved Next need cut slot edge balsa has about Y4 deep accurately cut trick comes easiest way get slot use small circu lar saw drill press saw set just right height cut slot want feed balsa piece through saw blade very slowly keep cutting under control cut slot Ive found normal saw comes Dremel Moto tool too thin tends flex wander over place youre trying cut slot However Ive found similar saw blade thicker 012 has larger mandrel gives very nice smooth cut just right thickness insert piece 1/64 plywood Its made Gyro company should available local hobby shop come four sizes $l 70 t$l85 1$200 1$235 also mandrel required runs 95 different Dremel mandrel cant find product locally local hobby shops Houston does mail-order business carries line saw blades Write G G Model Shop 2522 Times Blvd Hous ton TX 77005 use rel gives slot Another problem run building Scale Racer Rat make Monoline buttons necessary attaching control lines internally model After having tried tech nique could think notable lack success stumbled across method really works quite easy First April 1977 89 IL AC ANNUAL 2 DAYS ONLYSATURDAY & SUNDAY MAY7 MAY8 10 AM -8 PM 11 AM -6 PM SEE IT ALL RADIO CONTROL PLANES COPTERS S U-CONTROL * FREE FLIGHT INDOOR-OUTDOOR DEMONSTRATIONS MODEL AND CRAFT SHOW IGIANT STATIC DISPLAY CONTEST Open public * Over 200 Award SI OVER 250 EXHIBITORS 0 SQ FT CENTER ANAHEIM CALIFORNIA NONSELLING SHOW Th COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT 14 ISSuE LET US KNOW WHERE YOU ARE GOI move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept. Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 Check appropriate boxenclose payment C NEW SUBSCRIPTION C CHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NAME ADDRESS CITY/STATE _______________________________________________ ZIP ________________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 Co2 INSTANT POWER Midget GIANT-SIZE rhis engine will power model pLanes peanut scale up 24 wIng span effortlessly power 45 seconds adjusted run up 5 minutes per charge 002 bulb can charge engines tank 6 10 times Shark manufactured finest pre cision using nylon crank case cylin der piston CfJ2 fuel safe expensive easily available flick prop Shark roars action bulb will give 6 10 flights under ideal condi tions Engine Includes Fuel Tank Propel ler Charging Sun No Batteries Glow Plug Messy iiei utnicirn-to-aet $199 5 Needle Valve No cut hands won about either FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS POLKS HOBBY DEPT STORES 314 FIFTH AVE 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW Ll. NY 11554 Tel 516-489-1166 TRADE INQUIRIES INvITED WRITE POLKS 346 BERGEN AVE. JERSEY cITY-NJ 07304 NEW 1295 FORD TRI MOTOR 1195 Unique because such amazing scale dpt kits relatively ays such-~edglfl MIn4Ied tbin 0urneWctlanne Wail see 01her sprifl9cW rly shown that SN iignly detailed Plastic Parts uulng touch realism-in-miniature NEW MESSERSCHMIi 1 495 ready bolt placeComplete control system less handle lines decals landing gear wheels etc makes building cinch assembly literally minutes can use 049 engine R0 Nifty control line models Theyre easiest ones world assembleall wood no tissue coveringonly 6 9 parts depending model ex cept Biplanes have few Genuine Nylon motor mount THEYRE AT YOUR DEALER GET OVER AND SEE THEM NOW hardware store buy piece Adiameter mild-steel rod Ive seen displays several different local stores rod should easily available almost anywhere price should less $1 Next cut off couple inches chuck up -in electric drill Clamp drill workbench held quite steady Moto Tool put thin cut-off discs drill turning rod very carefully smooth end rod cut-off disc Moto Tool Now put second cut-off disc mandrel along first will give about 050 thick cutter drill turning rod make slot about 025 end rod leaving center about 100 in diameter Now go back single cut-off disc cut rod off about 025 beyond slot just made Bingo perfect button use internally connected controls might want smooth bottom slot single disc before cut button off rod abso lutely necessary have have access Unimat-type lathe simply use drill chuck let lathe takethe place drill have found use cut-off discs Moto Tool superior trying use bit lathe Rules changes now have un doubtedly read rules changes have proposed especially pertain Control-Line Racing events Im sure rules change pro posals will meet universal acceptance few have already drawn some fire Let quote letter Tim Gillott best racing competitors have sport December 76 issue MA Racing Advisory Committee RAC has made several rule change recommendations feel betterment control-line racing agreement find two end first CL-78-17 RAC ban internal line hook-ups rac ing planes safety reason dis agree feeling internal systems safe safer external hook-up feel either way adequate long proper care taken further dont take care internal hook-ups wont take better care external ones either feel fol lowing reasons should considered 1 No leadouts and/or line connectors often tangle cause trouble 2 No leadouts continually battered during transport storage times have straightened bent leadout Probably quite few 3 1 internal system inspected time hook up external generally buried permanently cant inspected 12 years racing have never seen line break point exit have 90 Model Aviation fltf LAcrMn3np flLLflfl TIGER MOTH BEGINNERS TOLEDO 23 ANNUAL RADIO CONTROL EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Unquestionably worlds control show its open three great days Plan greatest radio public now attend APRIL 12&3 FRIDAY 9am 6pm SUNDAY9 am 330 pm 197k SATURDAY9am 6pm presented WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 43613 XPAAI IZACIL 4 solid leadouts bent during rough landing causing crash takeoff often taking other planes have also seen line clips/leadouts become tangled same results Neither things can happen properly installed cared internal system conclusion feel no valid reason handicap us have use ternal system banning rac ing After FAI TR safety conscious allows second CL-78-16RAC ban exhaust extensions racing heartily agree megaphones fulllength pipes should outlawed feel minipipes should allowed easily cheaply obtained used anyone since no secret except cut try would also create havoc rear exhaust engines Rat Race especially what constitutes static performance gain Tims concern rules have live example racing fliers should follow Ive said until Im blue face dont contrib ute dont have reason complain about results current rules cycle cross-proposal stage open AMA member may put cross proposals original pro posals passed CLCBs initial vote Obviously Tims concern least pro posal 16 deserves cross proposal hope follows through normal channels open him other AMA members also have CLCB person district talk represents you convince him vote way think WR Lee 3522 Tamarisk Lane Mis souri City TX 77459 ci Aerobatics/Paul Continued page 29 tip weight 1976 airplane has completely removable right wing tip held 4-40 screw Two pegs help lo cate tip its very difficult see separation line between tip wing Columbus Ohio resident always has slickest finished planes Nationals writer good tune fly Joes 38-oz Max-powered light-weight last summer quite thrilling experience feel bantam weight lines after Pampawagon 60-oz beasts Let tell light plane can really change attitude toward pattern High-Power Engine Control-line Carrier event National Champion Carlos Aloises recent entry stunt special prod ucts field has caused ripple inquiry speculation Carlos claims has 58-oz 40 engine powerful ST 46 also has 92-oz 50 engine powerful ST 60 World Champion Les McDonald will soon test 50 states engine basic ally ST 46 has stroked re ported later Hope work Special Interest Groups Control-line now has five special interest groups PAMPA MACA FAI Control-Line Society North American Speed Association CLRPM associated monthly publica April 1977 91 r Bob Galles Midas Beautifully finished ship built magazine plans Spanning 61 in. has built-up wing Supertigre 46
Edition: Model Aviation - 1977/04
Page Numbers: 28, 87, 88, 89, 90, 91
IRacing Bill Lee RECEIVED NOTE recently some information about some available products will interest FAI Team Race Goodyear fliers letter accompanying photo came Ian Hutchinson North West Model Sup plies 122 Yorkshire St Rochdale Lan cashire England photo illustrates several items notably fuel shut off finger refueling valve various dif ferent wheels hubs both FAI TR Goodyear applications Prices range around $2 wheels $5 finger valve up $15 fuel cut-off items used Dave Clarkson noted English Team Race competitor columnist Aeromodel ler US Nats last summer Obvi ously price list order form could sending request probably stamped return envelope Ian above address However Ill copy what sent will send stamped self-addressed envelope United States special interest groups formed over last couple years should interest FAT Team Race fliers particular racing fliers general FAI Control Line Society FAICLS started 74 Nats original goal promote FAI control-line flying United States prime movers behind organization Jim Dunkin Bill Wright Continued page 87 1/64 Plywood Insert 0riqnaI Ostline KGL cWEAT LA 4u0aace4 7th Annual #4 4Pre-Season Radio System Check-up pcs Valid until May 151977 FULL TIME TECHNICIANS FACTORY TRAINED ST TEST EQUIPMENT NEW MODERN SHOP ONLY GENUINE FACTORY PARTS SFACTION GUARANTEED r PR-SESO SPSCIAL ONLY $2595 plus posfaqe Perform Transmitter Battery Load Check Perform Transmitter Crystal Frequency Count Perform Receiver Battery Load Check Check Battery Charging Circuit Tune Transmitter R F Check Receiver Sensitivity & Adjust Align Receiver RF IF Stages Check Receiver Logic Align Transmitter Encoder Check Servo Stalled Motor Current Repair parts additional $2595 500 $2095 Less AMA COupon Repair ______ Met Cost Check Servo Mechanics Adjust Servo Centering Perform System Servo Noise Check Shock Test Complete Airborne System Range Check System System Flight Test Necessary AMA Membership Bonus oe Kratt Great Lakes Inc 6787 Wales Ave PO Box 2482 North CantonOhio 44720 BankAmericard Master Charge Weteume feet attached engine mounting bolts come through body engine/fuel tank package can transferred another plane very easily last note have running plane conventional tank set-up move inboard will probably have add wing-tip weight took another half ounce properly trim model dont add weight model may visit out center circle Looks like FAT Trials will St Louis over July 4th holidays se lection process will pick three best pi lots alternates necessarily best team Team members will have fly well will have pit fellow competitors Good pilots arent necessarily good pitmen nor will team entirely compatible AMA HQ note hasnt yet determined wheth er US Combat Team will consist three pilots three pilots plus three pitmen Rules interpretations Remembering what just read about fire would consider plane flyable outboard wing burned off rest plane sound safe fly What think about person being disqualified cause engine blew up crank prop left airplane happened recent combat meet rules say lose part airplane falls off result collision always thought breaking cranks kind act God rather poor misfortune pilot Charlie Johnson 3716 Ingraham St San Diego CA 92109 714 273-6530 CL Racing/Lee Continued page 28 Missouri Glenn Lee Illinois chief self-appointed ultimately suc cessful trouble-maker Doctor Laird Jack son Pennsylvania Over course past couple years FAICLS has become established recognized special-interest groups seemingly important ingredient common special-interest groups good means regular communication its members Thanks primarily efforts Doc Jackson FAICLS com munication medium established publication Gazette news letter has become important source information FAI flier both racing speed Gazette originally tied FAICLS has expanded recently cover speed now also publication NASA North American Speed Association Mem bership either NASA FAICLS will get Gazette part dues eign subscriptions $10 primarily airmail postage Addresses interest FAI Control Line Society Stan Clough Secretary 111 5th Artillery Rd Ft Leavenworth KS 66027 NASA Jill Russell Secretary 4803 Fallon P1 Dallas TX 75227 Gazette 523 Meadowbrook Circle St Davids PA 19087 Sanding Aid very handy way sand new super stunter make home made sanding blocks using 12 hard balsa blocks various grades paper glued stuck sides Try 180 side 100 other long blocks great sanding wing leading edge trailing edge flaps stabs top bottom blocks paper gets worn just peel off old glue new glue right over old trick old Aldrich maybe some newer folk would like try local hobby shop also have what known Tee-Bar piece aluminum extrusion use same way Try self adhesive sandpaper Tee-Bar comes several differ ent sizesturn page April 1977 87 KRAFT ce Jack Yarger Mark Porter 216 499-8310 o fteca4iia/ 4ewcee Missing Persons order clear up some mysteries nearly completed History stunt-1940-1976 writer seeks help locating two stunt champions 40s Robert Bob Daily won open stunt division 1949 Na tionals first utilize I-beam wing construction origi nally Ferndale Michigan W Howard Thombs won Walker Cup 1949 flying according George Aldrich profile biplane about 12 degrees engine offset Thombs originally Warren Ohio later supposed working aircraft company Texas Any information whereAVAILABLE NOW 11916 SOPWITH PUP 2 1917 BRISTOL FIGHTER 3 1931 AVRON TUTOR FILMED ENTIRELY ON LOCATION AT Shuttleworth Collection OLD WARDEN AERODROME BEDFORDSHIRE ENGLAND MOST OF THE FLYING MA CHINES IN THIS UNIQUE COLLECTION ARE THE LAST REMAINING ORIGINAL SPE CIMENS ACTUALLY FLYING ANYWHERE IN THE WORLD abouts two stunters would ap preciated Canada good fortune Dayton Nats have several foreign en trants FAI Team Race team Brian Fairey Ken Parent Canada attended after representing coun try world champs July nota ble aspect TR effort use engine own design con struction RAM Mk III engine first seen world championships Dayton Nats placed second behind team Jed Kusik Larry Jolly US engine ATUENTION AMA CLUBS POLKS EXCLUSIVE WINGS OF HISTORY NOTAVAILABLE ANYWHERE ELSE IN THE USA Super 8mm Home Movies Color Lots action Lots authenticity See legendary 1916 Sopwith Pup WWI Bristol Fighter F2b 1917 Avron Tutor ual flight taking off landing fabulous close-ups showing detailings Natural Color Bristol Fighter film features exciting chase LVG CV1 films must flying buffs film library Remember available Polks SOUND & SILENT VERSIONS Magnetic Sound Versions$3500 Silent VersIon2500 ContaIned 200 ft Spools authentic sound original engines history narration D IS RECOM MENDED FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS. POLKS HOBBY DEPT STORES 314 FIFTH AVE. 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW LI. NY 11554Tel 516-489-1166 TRADE INGUIRIES INVITED WRITE POLKS 346 BERGEN AVE JERSEY CITY NJ 07304 result some four years extensive development effort two Canadians engine conventional design exception three features 1 The two-piece cylinder head consists high silicon content aluminum contrapiston sliding directly aluminum cylinder head contra-piston con trolled differential compression screw drives contra-piston increasing compression draws contra-piston decreasing compression high heat transfer aluminum alloy combined short heat path well finned head con tributes non-critical compression setting 2 The underside piston crown grooved drilled tapped wrist pin held place two 2-56 ton head cap screws allows bypass windows cut higher piston wall would otherwise interfere wrist pin conventional piston 3 The filler valve body cast urethane resin integral brass-tube liner pre-soldered brass pipes two-piece filler valve hard anodized aluminum alloy lapped fit brass liner valve body Cox-style venturi screws valve body also retains cut-out trip spring present time no plans commercial production engine al though raw castings available necessary machining facilities anyone interested informa tion contact Equipe Canada 242 Bellehaven Dr Waterloo Ont Some dimensional particulars Type Single cylinder air cooled Schnuer le loop scavenged two stroke diesel rear rotary drum valve twin ball bear ings Bore 574 Stroke 579 Displacement 2485 cc 1511 cu Bore/stroke ratio 99 14 Weight 165 gins Hints Its strange little things course building new 88 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST R/C BASIC TRAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-RAYand dealers sold themSHALL WE SAY MORE Andreses Aircraft Model Co Inc US Rte 1& North St Topsijeld Mass 01983 8878541 Price $3495 kit per doflar em series great value-for air enthusiastcollector-modeller-and enjoy historic aircraft model obvious newcomer experienced modeler forgets about until construc tion cycle again Ive working past few weeks Scoville Stardust talked about last column few tricks use probably would interest others picked up RC boys least first place saw insetting plywood edges balsa surface See drawing illustration technique Now ask would anyone want inset plywood edge balsa surface Well couple reasons First plywood provides hard edge sand since hard edge find surface lot durable less prone damage Second surprising amount strength gained plywood very small weight penalty Ive used technique balsa thin Ive used tail surfaces Goodyear well such places leading trailing edges wings thicker So get good stuff put together First must determine edge balsa want plywood generally center piece could offset airfoil shape being carved Next need cut slot edge balsa has about Y4 deep accurately cut trick comes easiest way get slot use small circu lar saw drill press saw set just right height cut slot want feed balsa piece through saw blade very slowly keep cutting under control cut slot Ive found normal saw comes Dremel Moto tool too thin tends flex wander over place youre trying cut slot However Ive found similar saw blade thicker 012 has larger mandrel gives very nice smooth cut just right thickness insert piece 1/64 plywood Its made Gyro company should available local hobby shop come four sizes $l 70 t$l85 1$200 1$235 also mandrel required runs 95 different Dremel mandrel cant find product locally local hobby shops Houston does mail-order business carries line saw blades Write G G Model Shop 2522 Times Blvd Hous ton TX 77005 use rel gives slot Another problem run building Scale Racer Rat make Monoline buttons necessary attaching control lines internally model After having tried tech nique could think notable lack success stumbled across method really works quite easy First April 1977 89 IL AC ANNUAL 2 DAYS ONLYSATURDAY & SUNDAY MAY7 MAY8 10 AM -8 PM 11 AM -6 PM SEE IT ALL RADIO CONTROL PLANES COPTERS S U-CONTROL * FREE FLIGHT INDOOR-OUTDOOR DEMONSTRATIONS MODEL AND CRAFT SHOW IGIANT STATIC DISPLAY CONTEST Open public * Over 200 Award SI OVER 250 EXHIBITORS 0 SQ FT CENTER ANAHEIM CALIFORNIA NONSELLING SHOW Th COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT 14 ISSuE LET US KNOW WHERE YOU ARE GOI move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept. Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 Check appropriate boxenclose payment C NEW SUBSCRIPTION C CHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NAME ADDRESS CITY/STATE _______________________________________________ ZIP ________________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 Co2 INSTANT POWER Midget GIANT-SIZE rhis engine will power model pLanes peanut scale up 24 wIng span effortlessly power 45 seconds adjusted run up 5 minutes per charge 002 bulb can charge engines tank 6 10 times Shark manufactured finest pre cision using nylon crank case cylin der piston CfJ2 fuel safe expensive easily available flick prop Shark roars action bulb will give 6 10 flights under ideal condi tions Engine Includes Fuel Tank Propel ler Charging Sun No Batteries Glow Plug Messy iiei utnicirn-to-aet $199 5 Needle Valve No cut hands won about either FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS POLKS HOBBY DEPT STORES 314 FIFTH AVE 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW Ll. NY 11554 Tel 516-489-1166 TRADE INQUIRIES INvITED WRITE POLKS 346 BERGEN AVE. JERSEY cITY-NJ 07304 NEW 1295 FORD TRI MOTOR 1195 Unique because such amazing scale dpt kits relatively ays such-~edglfl MIn4Ied tbin 0urneWctlanne Wail see 01her sprifl9cW rly shown that SN iignly detailed Plastic Parts uulng touch realism-in-miniature NEW MESSERSCHMIi 1 495 ready bolt placeComplete control system less handle lines decals landing gear wheels etc makes building cinch assembly literally minutes can use 049 engine R0 Nifty control line models Theyre easiest ones world assembleall wood no tissue coveringonly 6 9 parts depending model ex cept Biplanes have few Genuine Nylon motor mount THEYRE AT YOUR DEALER GET OVER AND SEE THEM NOW hardware store buy piece Adiameter mild-steel rod Ive seen displays several different local stores rod should easily available almost anywhere price should less $1 Next cut off couple inches chuck up -in electric drill Clamp drill workbench held quite steady Moto Tool put thin cut-off discs drill turning rod very carefully smooth end rod cut-off disc Moto Tool Now put second cut-off disc mandrel along first will give about 050 thick cutter drill turning rod make slot about 025 end rod leaving center about 100 in diameter Now go back single cut-off disc cut rod off about 025 beyond slot just made Bingo perfect button use internally connected controls might want smooth bottom slot single disc before cut button off rod abso lutely necessary have have access Unimat-type lathe simply use drill chuck let lathe takethe place drill have found use cut-off discs Moto Tool superior trying use bit lathe Rules changes now have un doubtedly read rules changes have proposed especially pertain Control-Line Racing events Im sure rules change pro posals will meet universal acceptance few have already drawn some fire Let quote letter Tim Gillott best racing competitors have sport December 76 issue MA Racing Advisory Committee RAC has made several rule change recommendations feel betterment control-line racing agreement find two end first CL-78-17 RAC ban internal line hook-ups rac ing planes safety reason dis agree feeling internal systems safe safer external hook-up feel either way adequate long proper care taken further dont take care internal hook-ups wont take better care external ones either feel fol lowing reasons should considered 1 No leadouts and/or line connectors often tangle cause trouble 2 No leadouts continually battered during transport storage times have straightened bent leadout Probably quite few 3 1 internal system inspected time hook up external generally buried permanently cant inspected 12 years racing have never seen line break point exit have 90 Model Aviation fltf LAcrMn3np flLLflfl TIGER MOTH BEGINNERS TOLEDO 23 ANNUAL RADIO CONTROL EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Unquestionably worlds control show its open three great days Plan greatest radio public now attend APRIL 12&3 FRIDAY 9am 6pm SUNDAY9 am 330 pm 197k SATURDAY9am 6pm presented WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 43613 XPAAI IZACIL 4 solid leadouts bent during rough landing causing crash takeoff often taking other planes have also seen line clips/leadouts become tangled same results Neither things can happen properly installed cared internal system conclusion feel no valid reason handicap us have use ternal system banning rac ing After FAI TR safety conscious allows second CL-78-16RAC ban exhaust extensions racing heartily agree megaphones fulllength pipes should outlawed feel minipipes should allowed easily cheaply obtained used anyone since no secret except cut try would also create havoc rear exhaust engines Rat Race especially what constitutes static performance gain Tims concern rules have live example racing fliers should follow Ive said until Im blue face dont contrib ute dont have reason complain about results current rules cycle cross-proposal stage open AMA member may put cross proposals original pro posals passed CLCBs initial vote Obviously Tims concern least pro posal 16 deserves cross proposal hope follows through normal channels open him other AMA members also have CLCB person district talk represents you convince him vote way think WR Lee 3522 Tamarisk Lane Mis souri City TX 77459 ci Aerobatics/Paul Continued page 29 tip weight 1976 airplane has completely removable right wing tip held 4-40 screw Two pegs help lo cate tip its very difficult see separation line between tip wing Columbus Ohio resident always has slickest finished planes Nationals writer good tune fly Joes 38-oz Max-powered light-weight last summer quite thrilling experience feel bantam weight lines after Pampawagon 60-oz beasts Let tell light plane can really change attitude toward pattern High-Power Engine Control-line Carrier event National Champion Carlos Aloises recent entry stunt special prod ucts field has caused ripple inquiry speculation Carlos claims has 58-oz 40 engine powerful ST 46 also has 92-oz 50 engine powerful ST 60 World Champion Les McDonald will soon test 50 states engine basic ally ST 46 has stroked re ported later Hope work Special Interest Groups Control-line now has five special interest groups PAMPA MACA FAI Control-Line Society North American Speed Association CLRPM associated monthly publica April 1977 91 r Bob Galles Midas Beautifully finished ship built magazine plans Spanning 61 in. has built-up wing Supertigre 46
Edition: Model Aviation - 1977/04
Page Numbers: 28, 87, 88, 89, 90, 91
IRacing Bill Lee RECEIVED NOTE recently some information about some available products will interest FAI Team Race Goodyear fliers letter accompanying photo came Ian Hutchinson North West Model Sup plies 122 Yorkshire St Rochdale Lan cashire England photo illustrates several items notably fuel shut off finger refueling valve various dif ferent wheels hubs both FAI TR Goodyear applications Prices range around $2 wheels $5 finger valve up $15 fuel cut-off items used Dave Clarkson noted English Team Race competitor columnist Aeromodel ler US Nats last summer Obvi ously price list order form could sending request probably stamped return envelope Ian above address However Ill copy what sent will send stamped self-addressed envelope United States special interest groups formed over last couple years should interest FAT Team Race fliers particular racing fliers general FAI Control Line Society FAICLS started 74 Nats original goal promote FAI control-line flying United States prime movers behind organization Jim Dunkin Bill Wright Continued page 87 1/64 Plywood Insert 0riqnaI Ostline KGL cWEAT LA 4u0aace4 7th Annual #4 4Pre-Season Radio System Check-up pcs Valid until May 151977 FULL TIME TECHNICIANS FACTORY TRAINED ST TEST EQUIPMENT NEW MODERN SHOP ONLY GENUINE FACTORY PARTS SFACTION GUARANTEED r PR-SESO SPSCIAL ONLY $2595 plus posfaqe Perform Transmitter Battery Load Check Perform Transmitter Crystal Frequency Count Perform Receiver Battery Load Check Check Battery Charging Circuit Tune Transmitter R F Check Receiver Sensitivity & Adjust Align Receiver RF IF Stages Check Receiver Logic Align Transmitter Encoder Check Servo Stalled Motor Current Repair parts additional $2595 500 $2095 Less AMA COupon Repair ______ Met Cost Check Servo Mechanics Adjust Servo Centering Perform System Servo Noise Check Shock Test Complete Airborne System Range Check System System Flight Test Necessary AMA Membership Bonus oe Kratt Great Lakes Inc 6787 Wales Ave PO Box 2482 North CantonOhio 44720 BankAmericard Master Charge Weteume feet attached engine mounting bolts come through body engine/fuel tank package can transferred another plane very easily last note have running plane conventional tank set-up move inboard will probably have add wing-tip weight took another half ounce properly trim model dont add weight model may visit out center circle Looks like FAT Trials will St Louis over July 4th holidays se lection process will pick three best pi lots alternates necessarily best team Team members will have fly well will have pit fellow competitors Good pilots arent necessarily good pitmen nor will team entirely compatible AMA HQ note hasnt yet determined wheth er US Combat Team will consist three pilots three pilots plus three pitmen Rules interpretations Remembering what just read about fire would consider plane flyable outboard wing burned off rest plane sound safe fly What think about person being disqualified cause engine blew up crank prop left airplane happened recent combat meet rules say lose part airplane falls off result collision always thought breaking cranks kind act God rather poor misfortune pilot Charlie Johnson 3716 Ingraham St San Diego CA 92109 714 273-6530 CL Racing/Lee Continued page 28 Missouri Glenn Lee Illinois chief self-appointed ultimately suc cessful trouble-maker Doctor Laird Jack son Pennsylvania Over course past couple years FAICLS has become established recognized special-interest groups seemingly important ingredient common special-interest groups good means regular communication its members Thanks primarily efforts Doc Jackson FAICLS com munication medium established publication Gazette news letter has become important source information FAI flier both racing speed Gazette originally tied FAICLS has expanded recently cover speed now also publication NASA North American Speed Association Mem bership either NASA FAICLS will get Gazette part dues eign subscriptions $10 primarily airmail postage Addresses interest FAI Control Line Society Stan Clough Secretary 111 5th Artillery Rd Ft Leavenworth KS 66027 NASA Jill Russell Secretary 4803 Fallon P1 Dallas TX 75227 Gazette 523 Meadowbrook Circle St Davids PA 19087 Sanding Aid very handy way sand new super stunter make home made sanding blocks using 12 hard balsa blocks various grades paper glued stuck sides Try 180 side 100 other long blocks great sanding wing leading edge trailing edge flaps stabs top bottom blocks paper gets worn just peel off old glue new glue right over old trick old Aldrich maybe some newer folk would like try local hobby shop also have what known Tee-Bar piece aluminum extrusion use same way Try self adhesive sandpaper Tee-Bar comes several differ ent sizesturn page April 1977 87 KRAFT ce Jack Yarger Mark Porter 216 499-8310 o fteca4iia/ 4ewcee Missing Persons order clear up some mysteries nearly completed History stunt-1940-1976 writer seeks help locating two stunt champions 40s Robert Bob Daily won open stunt division 1949 Na tionals first utilize I-beam wing construction origi nally Ferndale Michigan W Howard Thombs won Walker Cup 1949 flying according George Aldrich profile biplane about 12 degrees engine offset Thombs originally Warren Ohio later supposed working aircraft company Texas Any information whereAVAILABLE NOW 11916 SOPWITH PUP 2 1917 BRISTOL FIGHTER 3 1931 AVRON TUTOR FILMED ENTIRELY ON LOCATION AT Shuttleworth Collection OLD WARDEN AERODROME BEDFORDSHIRE ENGLAND MOST OF THE FLYING MA CHINES IN THIS UNIQUE COLLECTION ARE THE LAST REMAINING ORIGINAL SPE CIMENS ACTUALLY FLYING ANYWHERE IN THE WORLD abouts two stunters would ap preciated Canada good fortune Dayton Nats have several foreign en trants FAI Team Race team Brian Fairey Ken Parent Canada attended after representing coun try world champs July nota ble aspect TR effort use engine own design con struction RAM Mk III engine first seen world championships Dayton Nats placed second behind team Jed Kusik Larry Jolly US engine ATUENTION AMA CLUBS POLKS EXCLUSIVE WINGS OF HISTORY NOTAVAILABLE ANYWHERE ELSE IN THE USA Super 8mm Home Movies Color Lots action Lots authenticity See legendary 1916 Sopwith Pup WWI Bristol Fighter F2b 1917 Avron Tutor ual flight taking off landing fabulous close-ups showing detailings Natural Color Bristol Fighter film features exciting chase LVG CV1 films must flying buffs film library Remember available Polks SOUND & SILENT VERSIONS Magnetic Sound Versions$3500 Silent VersIon2500 ContaIned 200 ft Spools authentic sound original engines history narration D IS RECOM MENDED FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS. POLKS HOBBY DEPT STORES 314 FIFTH AVE. 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW LI. NY 11554Tel 516-489-1166 TRADE INGUIRIES INVITED WRITE POLKS 346 BERGEN AVE JERSEY CITY NJ 07304 result some four years extensive development effort two Canadians engine conventional design exception three features 1 The two-piece cylinder head consists high silicon content aluminum contrapiston sliding directly aluminum cylinder head contra-piston con trolled differential compression screw drives contra-piston increasing compression draws contra-piston decreasing compression high heat transfer aluminum alloy combined short heat path well finned head con tributes non-critical compression setting 2 The underside piston crown grooved drilled tapped wrist pin held place two 2-56 ton head cap screws allows bypass windows cut higher piston wall would otherwise interfere wrist pin conventional piston 3 The filler valve body cast urethane resin integral brass-tube liner pre-soldered brass pipes two-piece filler valve hard anodized aluminum alloy lapped fit brass liner valve body Cox-style venturi screws valve body also retains cut-out trip spring present time no plans commercial production engine al though raw castings available necessary machining facilities anyone interested informa tion contact Equipe Canada 242 Bellehaven Dr Waterloo Ont Some dimensional particulars Type Single cylinder air cooled Schnuer le loop scavenged two stroke diesel rear rotary drum valve twin ball bear ings Bore 574 Stroke 579 Displacement 2485 cc 1511 cu Bore/stroke ratio 99 14 Weight 165 gins Hints Its strange little things course building new 88 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST R/C BASIC TRAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-RAYand dealers sold themSHALL WE SAY MORE Andreses Aircraft Model Co Inc US Rte 1& North St Topsijeld Mass 01983 8878541 Price $3495 kit per doflar em series great value-for air enthusiastcollector-modeller-and enjoy historic aircraft model obvious newcomer experienced modeler forgets about until construc tion cycle again Ive working past few weeks Scoville Stardust talked about last column few tricks use probably would interest others picked up RC boys least first place saw insetting plywood edges balsa surface See drawing illustration technique Now ask would anyone want inset plywood edge balsa surface Well couple reasons First plywood provides hard edge sand since hard edge find surface lot durable less prone damage Second surprising amount strength gained plywood very small weight penalty Ive used technique balsa thin Ive used tail surfaces Goodyear well such places leading trailing edges wings thicker So get good stuff put together First must determine edge balsa want plywood generally center piece could offset airfoil shape being carved Next need cut slot edge balsa has about Y4 deep accurately cut trick comes easiest way get slot use small circu lar saw drill press saw set just right height cut slot want feed balsa piece through saw blade very slowly keep cutting under control cut slot Ive found normal saw comes Dremel Moto tool too thin tends flex wander over place youre trying cut slot However Ive found similar saw blade thicker 012 has larger mandrel gives very nice smooth cut just right thickness insert piece 1/64 plywood Its made Gyro company should available local hobby shop come four sizes $l 70 t$l85 1$200 1$235 also mandrel required runs 95 different Dremel mandrel cant find product locally local hobby shops Houston does mail-order business carries line saw blades Write G G Model Shop 2522 Times Blvd Hous ton TX 77005 use rel gives slot Another problem run building Scale Racer Rat make Monoline buttons necessary attaching control lines internally model After having tried tech nique could think notable lack success stumbled across method really works quite easy First April 1977 89 IL AC ANNUAL 2 DAYS ONLYSATURDAY & SUNDAY MAY7 MAY8 10 AM -8 PM 11 AM -6 PM SEE IT ALL RADIO CONTROL PLANES COPTERS S U-CONTROL * FREE FLIGHT INDOOR-OUTDOOR DEMONSTRATIONS MODEL AND CRAFT SHOW IGIANT STATIC DISPLAY CONTEST Open public * Over 200 Award SI OVER 250 EXHIBITORS 0 SQ FT CENTER ANAHEIM CALIFORNIA NONSELLING SHOW Th COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT 14 ISSuE LET US KNOW WHERE YOU ARE GOI move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept. Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 Check appropriate boxenclose payment C NEW SUBSCRIPTION C CHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NAME ADDRESS CITY/STATE _______________________________________________ ZIP ________________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 Co2 INSTANT POWER Midget GIANT-SIZE rhis engine will power model pLanes peanut scale up 24 wIng span effortlessly power 45 seconds adjusted run up 5 minutes per charge 002 bulb can charge engines tank 6 10 times Shark manufactured finest pre cision using nylon crank case cylin der piston CfJ2 fuel safe expensive easily available flick prop Shark roars action bulb will give 6 10 flights under ideal condi tions Engine Includes Fuel Tank Propel ler Charging Sun No Batteries Glow Plug Messy iiei utnicirn-to-aet $199 5 Needle Valve No cut hands won about either FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS POLKS HOBBY DEPT STORES 314 FIFTH AVE 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW Ll. NY 11554 Tel 516-489-1166 TRADE INQUIRIES INvITED WRITE POLKS 346 BERGEN AVE. JERSEY cITY-NJ 07304 NEW 1295 FORD TRI MOTOR 1195 Unique because such amazing scale dpt kits relatively ays such-~edglfl MIn4Ied tbin 0urneWctlanne Wail see 01her sprifl9cW rly shown that SN iignly detailed Plastic Parts uulng touch realism-in-miniature NEW MESSERSCHMIi 1 495 ready bolt placeComplete control system less handle lines decals landing gear wheels etc makes building cinch assembly literally minutes can use 049 engine R0 Nifty control line models Theyre easiest ones world assembleall wood no tissue coveringonly 6 9 parts depending model ex cept Biplanes have few Genuine Nylon motor mount THEYRE AT YOUR DEALER GET OVER AND SEE THEM NOW hardware store buy piece Adiameter mild-steel rod Ive seen displays several different local stores rod should easily available almost anywhere price should less $1 Next cut off couple inches chuck up -in electric drill Clamp drill workbench held quite steady Moto Tool put thin cut-off discs drill turning rod very carefully smooth end rod cut-off disc Moto Tool Now put second cut-off disc mandrel along first will give about 050 thick cutter drill turning rod make slot about 025 end rod leaving center about 100 in diameter Now go back single cut-off disc cut rod off about 025 beyond slot just made Bingo perfect button use internally connected controls might want smooth bottom slot single disc before cut button off rod abso lutely necessary have have access Unimat-type lathe simply use drill chuck let lathe takethe place drill have found use cut-off discs Moto Tool superior trying use bit lathe Rules changes now have un doubtedly read rules changes have proposed especially pertain Control-Line Racing events Im sure rules change pro posals will meet universal acceptance few have already drawn some fire Let quote letter Tim Gillott best racing competitors have sport December 76 issue MA Racing Advisory Committee RAC has made several rule change recommendations feel betterment control-line racing agreement find two end first CL-78-17 RAC ban internal line hook-ups rac ing planes safety reason dis agree feeling internal systems safe safer external hook-up feel either way adequate long proper care taken further dont take care internal hook-ups wont take better care external ones either feel fol lowing reasons should considered 1 No leadouts and/or line connectors often tangle cause trouble 2 No leadouts continually battered during transport storage times have straightened bent leadout Probably quite few 3 1 internal system inspected time hook up external generally buried permanently cant inspected 12 years racing have never seen line break point exit have 90 Model Aviation fltf LAcrMn3np flLLflfl TIGER MOTH BEGINNERS TOLEDO 23 ANNUAL RADIO CONTROL EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Unquestionably worlds control show its open three great days Plan greatest radio public now attend APRIL 12&3 FRIDAY 9am 6pm SUNDAY9 am 330 pm 197k SATURDAY9am 6pm presented WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 43613 XPAAI IZACIL 4 solid leadouts bent during rough landing causing crash takeoff often taking other planes have also seen line clips/leadouts become tangled same results Neither things can happen properly installed cared internal system conclusion feel no valid reason handicap us have use ternal system banning rac ing After FAI TR safety conscious allows second CL-78-16RAC ban exhaust extensions racing heartily agree megaphones fulllength pipes should outlawed feel minipipes should allowed easily cheaply obtained used anyone since no secret except cut try would also create havoc rear exhaust engines Rat Race especially what constitutes static performance gain Tims concern rules have live example racing fliers should follow Ive said until Im blue face dont contrib ute dont have reason complain about results current rules cycle cross-proposal stage open AMA member may put cross proposals original pro posals passed CLCBs initial vote Obviously Tims concern least pro posal 16 deserves cross proposal hope follows through normal channels open him other AMA members also have CLCB person district talk represents you convince him vote way think WR Lee 3522 Tamarisk Lane Mis souri City TX 77459 ci Aerobatics/Paul Continued page 29 tip weight 1976 airplane has completely removable right wing tip held 4-40 screw Two pegs help lo cate tip its very difficult see separation line between tip wing Columbus Ohio resident always has slickest finished planes Nationals writer good tune fly Joes 38-oz Max-powered light-weight last summer quite thrilling experience feel bantam weight lines after Pampawagon 60-oz beasts Let tell light plane can really change attitude toward pattern High-Power Engine Control-line Carrier event National Champion Carlos Aloises recent entry stunt special prod ucts field has caused ripple inquiry speculation Carlos claims has 58-oz 40 engine powerful ST 46 also has 92-oz 50 engine powerful ST 60 World Champion Les McDonald will soon test 50 states engine basic ally ST 46 has stroked re ported later Hope work Special Interest Groups Control-line now has five special interest groups PAMPA MACA FAI Control-Line Society North American Speed Association CLRPM associated monthly publica April 1977 91 r Bob Galles Midas Beautifully finished ship built magazine plans Spanning 61 in. has built-up wing Supertigre 46
Edition: Model Aviation - 1977/04
Page Numbers: 28, 87, 88, 89, 90, 91
IRacing Bill Lee RECEIVED NOTE recently some information about some available products will interest FAI Team Race Goodyear fliers letter accompanying photo came Ian Hutchinson North West Model Sup plies 122 Yorkshire St Rochdale Lan cashire England photo illustrates several items notably fuel shut off finger refueling valve various dif ferent wheels hubs both FAI TR Goodyear applications Prices range around $2 wheels $5 finger valve up $15 fuel cut-off items used Dave Clarkson noted English Team Race competitor columnist Aeromodel ler US Nats last summer Obvi ously price list order form could sending request probably stamped return envelope Ian above address However Ill copy what sent will send stamped self-addressed envelope United States special interest groups formed over last couple years should interest FAT Team Race fliers particular racing fliers general FAI Control Line Society FAICLS started 74 Nats original goal promote FAI control-line flying United States prime movers behind organization Jim Dunkin Bill Wright Continued page 87 1/64 Plywood Insert 0riqnaI Ostline KGL cWEAT LA 4u0aace4 7th Annual #4 4Pre-Season Radio System Check-up pcs Valid until May 151977 FULL TIME TECHNICIANS FACTORY TRAINED ST TEST EQUIPMENT NEW MODERN SHOP ONLY GENUINE FACTORY PARTS SFACTION GUARANTEED r PR-SESO SPSCIAL ONLY $2595 plus posfaqe Perform Transmitter Battery Load Check Perform Transmitter Crystal Frequency Count Perform Receiver Battery Load Check Check Battery Charging Circuit Tune Transmitter R F Check Receiver Sensitivity & Adjust Align Receiver RF IF Stages Check Receiver Logic Align Transmitter Encoder Check Servo Stalled Motor Current Repair parts additional $2595 500 $2095 Less AMA COupon Repair ______ Met Cost Check Servo Mechanics Adjust Servo Centering Perform System Servo Noise Check Shock Test Complete Airborne System Range Check System System Flight Test Necessary AMA Membership Bonus oe Kratt Great Lakes Inc 6787 Wales Ave PO Box 2482 North CantonOhio 44720 BankAmericard Master Charge Weteume feet attached engine mounting bolts come through body engine/fuel tank package can transferred another plane very easily last note have running plane conventional tank set-up move inboard will probably have add wing-tip weight took another half ounce properly trim model dont add weight model may visit out center circle Looks like FAT Trials will St Louis over July 4th holidays se lection process will pick three best pi lots alternates necessarily best team Team members will have fly well will have pit fellow competitors Good pilots arent necessarily good pitmen nor will team entirely compatible AMA HQ note hasnt yet determined wheth er US Combat Team will consist three pilots three pilots plus three pitmen Rules interpretations Remembering what just read about fire would consider plane flyable outboard wing burned off rest plane sound safe fly What think about person being disqualified cause engine blew up crank prop left airplane happened recent combat meet rules say lose part airplane falls off result collision always thought breaking cranks kind act God rather poor misfortune pilot Charlie Johnson 3716 Ingraham St San Diego CA 92109 714 273-6530 CL Racing/Lee Continued page 28 Missouri Glenn Lee Illinois chief self-appointed ultimately suc cessful trouble-maker Doctor Laird Jack son Pennsylvania Over course past couple years FAICLS has become established recognized special-interest groups seemingly important ingredient common special-interest groups good means regular communication its members Thanks primarily efforts Doc Jackson FAICLS com munication medium established publication Gazette news letter has become important source information FAI flier both racing speed Gazette originally tied FAICLS has expanded recently cover speed now also publication NASA North American Speed Association Mem bership either NASA FAICLS will get Gazette part dues eign subscriptions $10 primarily airmail postage Addresses interest FAI Control Line Society Stan Clough Secretary 111 5th Artillery Rd Ft Leavenworth KS 66027 NASA Jill Russell Secretary 4803 Fallon P1 Dallas TX 75227 Gazette 523 Meadowbrook Circle St Davids PA 19087 Sanding Aid very handy way sand new super stunter make home made sanding blocks using 12 hard balsa blocks various grades paper glued stuck sides Try 180 side 100 other long blocks great sanding wing leading edge trailing edge flaps stabs top bottom blocks paper gets worn just peel off old glue new glue right over old trick old Aldrich maybe some newer folk would like try local hobby shop also have what known Tee-Bar piece aluminum extrusion use same way Try self adhesive sandpaper Tee-Bar comes several differ ent sizesturn page April 1977 87 KRAFT ce Jack Yarger Mark Porter 216 499-8310 o fteca4iia/ 4ewcee Missing Persons order clear up some mysteries nearly completed History stunt-1940-1976 writer seeks help locating two stunt champions 40s Robert Bob Daily won open stunt division 1949 Na tionals first utilize I-beam wing construction origi nally Ferndale Michigan W Howard Thombs won Walker Cup 1949 flying according George Aldrich profile biplane about 12 degrees engine offset Thombs originally Warren Ohio later supposed working aircraft company Texas Any information whereAVAILABLE NOW 11916 SOPWITH PUP 2 1917 BRISTOL FIGHTER 3 1931 AVRON TUTOR FILMED ENTIRELY ON LOCATION AT Shuttleworth Collection OLD WARDEN AERODROME BEDFORDSHIRE ENGLAND MOST OF THE FLYING MA CHINES IN THIS UNIQUE COLLECTION ARE THE LAST REMAINING ORIGINAL SPE CIMENS ACTUALLY FLYING ANYWHERE IN THE WORLD abouts two stunters would ap preciated Canada good fortune Dayton Nats have several foreign en trants FAI Team Race team Brian Fairey Ken Parent Canada attended after representing coun try world champs July nota ble aspect TR effort use engine own design con struction RAM Mk III engine first seen world championships Dayton Nats placed second behind team Jed Kusik Larry Jolly US engine ATUENTION AMA CLUBS POLKS EXCLUSIVE WINGS OF HISTORY NOTAVAILABLE ANYWHERE ELSE IN THE USA Super 8mm Home Movies Color Lots action Lots authenticity See legendary 1916 Sopwith Pup WWI Bristol Fighter F2b 1917 Avron Tutor ual flight taking off landing fabulous close-ups showing detailings Natural Color Bristol Fighter film features exciting chase LVG CV1 films must flying buffs film library Remember available Polks SOUND & SILENT VERSIONS Magnetic Sound Versions$3500 Silent VersIon2500 ContaIned 200 ft Spools authentic sound original engines history narration D IS RECOM MENDED FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS. POLKS HOBBY DEPT STORES 314 FIFTH AVE. 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW LI. NY 11554Tel 516-489-1166 TRADE INGUIRIES INVITED WRITE POLKS 346 BERGEN AVE JERSEY CITY NJ 07304 result some four years extensive development effort two Canadians engine conventional design exception three features 1 The two-piece cylinder head consists high silicon content aluminum contrapiston sliding directly aluminum cylinder head contra-piston con trolled differential compression screw drives contra-piston increasing compression draws contra-piston decreasing compression high heat transfer aluminum alloy combined short heat path well finned head con tributes non-critical compression setting 2 The underside piston crown grooved drilled tapped wrist pin held place two 2-56 ton head cap screws allows bypass windows cut higher piston wall would otherwise interfere wrist pin conventional piston 3 The filler valve body cast urethane resin integral brass-tube liner pre-soldered brass pipes two-piece filler valve hard anodized aluminum alloy lapped fit brass liner valve body Cox-style venturi screws valve body also retains cut-out trip spring present time no plans commercial production engine al though raw castings available necessary machining facilities anyone interested informa tion contact Equipe Canada 242 Bellehaven Dr Waterloo Ont Some dimensional particulars Type Single cylinder air cooled Schnuer le loop scavenged two stroke diesel rear rotary drum valve twin ball bear ings Bore 574 Stroke 579 Displacement 2485 cc 1511 cu Bore/stroke ratio 99 14 Weight 165 gins Hints Its strange little things course building new 88 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST R/C BASIC TRAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-RAYand dealers sold themSHALL WE SAY MORE Andreses Aircraft Model Co Inc US Rte 1& North St Topsijeld Mass 01983 8878541 Price $3495 kit per doflar em series great value-for air enthusiastcollector-modeller-and enjoy historic aircraft model obvious newcomer experienced modeler forgets about until construc tion cycle again Ive working past few weeks Scoville Stardust talked about last column few tricks use probably would interest others picked up RC boys least first place saw insetting plywood edges balsa surface See drawing illustration technique Now ask would anyone want inset plywood edge balsa surface Well couple reasons First plywood provides hard edge sand since hard edge find surface lot durable less prone damage Second surprising amount strength gained plywood very small weight penalty Ive used technique balsa thin Ive used tail surfaces Goodyear well such places leading trailing edges wings thicker So get good stuff put together First must determine edge balsa want plywood generally center piece could offset airfoil shape being carved Next need cut slot edge balsa has about Y4 deep accurately cut trick comes easiest way get slot use small circu lar saw drill press saw set just right height cut slot want feed balsa piece through saw blade very slowly keep cutting under control cut slot Ive found normal saw comes Dremel Moto tool too thin tends flex wander over place youre trying cut slot However Ive found similar saw blade thicker 012 has larger mandrel gives very nice smooth cut just right thickness insert piece 1/64 plywood Its made Gyro company should available local hobby shop come four sizes $l 70 t$l85 1$200 1$235 also mandrel required runs 95 different Dremel mandrel cant find product locally local hobby shops Houston does mail-order business carries line saw blades Write G G Model Shop 2522 Times Blvd Hous ton TX 77005 use rel gives slot Another problem run building Scale Racer Rat make Monoline buttons necessary attaching control lines internally model After having tried tech nique could think notable lack success stumbled across method really works quite easy First April 1977 89 IL AC ANNUAL 2 DAYS ONLYSATURDAY & SUNDAY MAY7 MAY8 10 AM -8 PM 11 AM -6 PM SEE IT ALL RADIO CONTROL PLANES COPTERS S U-CONTROL * FREE FLIGHT INDOOR-OUTDOOR DEMONSTRATIONS MODEL AND CRAFT SHOW IGIANT STATIC DISPLAY CONTEST Open public * Over 200 Award SI OVER 250 EXHIBITORS 0 SQ FT CENTER ANAHEIM CALIFORNIA NONSELLING SHOW Th COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT 14 ISSuE LET US KNOW WHERE YOU ARE GOI move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept. Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 Check appropriate boxenclose payment C NEW SUBSCRIPTION C CHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NAME ADDRESS CITY/STATE _______________________________________________ ZIP ________________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 Co2 INSTANT POWER Midget GIANT-SIZE rhis engine will power model pLanes peanut scale up 24 wIng span effortlessly power 45 seconds adjusted run up 5 minutes per charge 002 bulb can charge engines tank 6 10 times Shark manufactured finest pre cision using nylon crank case cylin der piston CfJ2 fuel safe expensive easily available flick prop Shark roars action bulb will give 6 10 flights under ideal condi tions Engine Includes Fuel Tank Propel ler Charging Sun No Batteries Glow Plug Messy iiei utnicirn-to-aet $199 5 Needle Valve No cut hands won about either FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS POLKS HOBBY DEPT STORES 314 FIFTH AVE 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW Ll. NY 11554 Tel 516-489-1166 TRADE INQUIRIES INvITED WRITE POLKS 346 BERGEN AVE. JERSEY cITY-NJ 07304 NEW 1295 FORD TRI MOTOR 1195 Unique because such amazing scale dpt kits relatively ays such-~edglfl MIn4Ied tbin 0urneWctlanne Wail see 01her sprifl9cW rly shown that SN iignly detailed Plastic Parts uulng touch realism-in-miniature NEW MESSERSCHMIi 1 495 ready bolt placeComplete control system less handle lines decals landing gear wheels etc makes building cinch assembly literally minutes can use 049 engine R0 Nifty control line models Theyre easiest ones world assembleall wood no tissue coveringonly 6 9 parts depending model ex cept Biplanes have few Genuine Nylon motor mount THEYRE AT YOUR DEALER GET OVER AND SEE THEM NOW hardware store buy piece Adiameter mild-steel rod Ive seen displays several different local stores rod should easily available almost anywhere price should less $1 Next cut off couple inches chuck up -in electric drill Clamp drill workbench held quite steady Moto Tool put thin cut-off discs drill turning rod very carefully smooth end rod cut-off disc Moto Tool Now put second cut-off disc mandrel along first will give about 050 thick cutter drill turning rod make slot about 025 end rod leaving center about 100 in diameter Now go back single cut-off disc cut rod off about 025 beyond slot just made Bingo perfect button use internally connected controls might want smooth bottom slot single disc before cut button off rod abso lutely necessary have have access Unimat-type lathe simply use drill chuck let lathe takethe place drill have found use cut-off discs Moto Tool superior trying use bit lathe Rules changes now have un doubtedly read rules changes have proposed especially pertain Control-Line Racing events Im sure rules change pro posals will meet universal acceptance few have already drawn some fire Let quote letter Tim Gillott best racing competitors have sport December 76 issue MA Racing Advisory Committee RAC has made several rule change recommendations feel betterment control-line racing agreement find two end first CL-78-17 RAC ban internal line hook-ups rac ing planes safety reason dis agree feeling internal systems safe safer external hook-up feel either way adequate long proper care taken further dont take care internal hook-ups wont take better care external ones either feel fol lowing reasons should considered 1 No leadouts and/or line connectors often tangle cause trouble 2 No leadouts continually battered during transport storage times have straightened bent leadout Probably quite few 3 1 internal system inspected time hook up external generally buried permanently cant inspected 12 years racing have never seen line break point exit have 90 Model Aviation fltf LAcrMn3np flLLflfl TIGER MOTH BEGINNERS TOLEDO 23 ANNUAL RADIO CONTROL EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Unquestionably worlds control show its open three great days Plan greatest radio public now attend APRIL 12&3 FRIDAY 9am 6pm SUNDAY9 am 330 pm 197k SATURDAY9am 6pm presented WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 43613 XPAAI IZACIL 4 solid leadouts bent during rough landing causing crash takeoff often taking other planes have also seen line clips/leadouts become tangled same results Neither things can happen properly installed cared internal system conclusion feel no valid reason handicap us have use ternal system banning rac ing After FAI TR safety conscious allows second CL-78-16RAC ban exhaust extensions racing heartily agree megaphones fulllength pipes should outlawed feel minipipes should allowed easily cheaply obtained used anyone since no secret except cut try would also create havoc rear exhaust engines Rat Race especially what constitutes static performance gain Tims concern rules have live example racing fliers should follow Ive said until Im blue face dont contrib ute dont have reason complain about results current rules cycle cross-proposal stage open AMA member may put cross proposals original pro posals passed CLCBs initial vote Obviously Tims concern least pro posal 16 deserves cross proposal hope follows through normal channels open him other AMA members also have CLCB person district talk represents you convince him vote way think WR Lee 3522 Tamarisk Lane Mis souri City TX 77459 ci Aerobatics/Paul Continued page 29 tip weight 1976 airplane has completely removable right wing tip held 4-40 screw Two pegs help lo cate tip its very difficult see separation line between tip wing Columbus Ohio resident always has slickest finished planes Nationals writer good tune fly Joes 38-oz Max-powered light-weight last summer quite thrilling experience feel bantam weight lines after Pampawagon 60-oz beasts Let tell light plane can really change attitude toward pattern High-Power Engine Control-line Carrier event National Champion Carlos Aloises recent entry stunt special prod ucts field has caused ripple inquiry speculation Carlos claims has 58-oz 40 engine powerful ST 46 also has 92-oz 50 engine powerful ST 60 World Champion Les McDonald will soon test 50 states engine basic ally ST 46 has stroked re ported later Hope work Special Interest Groups Control-line now has five special interest groups PAMPA MACA FAI Control-Line Society North American Speed Association CLRPM associated monthly publica April 1977 91 r Bob Galles Midas Beautifully finished ship built magazine plans Spanning 61 in. has built-up wing Supertigre 46
Edition: Model Aviation - 1977/04
Page Numbers: 28, 87, 88, 89, 90, 91
IRacing Bill Lee RECEIVED NOTE recently some information about some available products will interest FAI Team Race Goodyear fliers letter accompanying photo came Ian Hutchinson North West Model Sup plies 122 Yorkshire St Rochdale Lan cashire England photo illustrates several items notably fuel shut off finger refueling valve various dif ferent wheels hubs both FAI TR Goodyear applications Prices range around $2 wheels $5 finger valve up $15 fuel cut-off items used Dave Clarkson noted English Team Race competitor columnist Aeromodel ler US Nats last summer Obvi ously price list order form could sending request probably stamped return envelope Ian above address However Ill copy what sent will send stamped self-addressed envelope United States special interest groups formed over last couple years should interest FAT Team Race fliers particular racing fliers general FAI Control Line Society FAICLS started 74 Nats original goal promote FAI control-line flying United States prime movers behind organization Jim Dunkin Bill Wright Continued page 87 1/64 Plywood Insert 0riqnaI Ostline KGL cWEAT LA 4u0aace4 7th Annual #4 4Pre-Season Radio System Check-up pcs Valid until May 151977 FULL TIME TECHNICIANS FACTORY TRAINED ST TEST EQUIPMENT NEW MODERN SHOP ONLY GENUINE FACTORY PARTS SFACTION GUARANTEED r PR-SESO SPSCIAL ONLY $2595 plus posfaqe Perform Transmitter Battery Load Check Perform Transmitter Crystal Frequency Count Perform Receiver Battery Load Check Check Battery Charging Circuit Tune Transmitter R F Check Receiver Sensitivity & Adjust Align Receiver RF IF Stages Check Receiver Logic Align Transmitter Encoder Check Servo Stalled Motor Current Repair parts additional $2595 500 $2095 Less AMA COupon Repair ______ Met Cost Check Servo Mechanics Adjust Servo Centering Perform System Servo Noise Check Shock Test Complete Airborne System Range Check System System Flight Test Necessary AMA Membership Bonus oe Kratt Great Lakes Inc 6787 Wales Ave PO Box 2482 North CantonOhio 44720 BankAmericard Master Charge Weteume feet attached engine mounting bolts come through body engine/fuel tank package can transferred another plane very easily last note have running plane conventional tank set-up move inboard will probably have add wing-tip weight took another half ounce properly trim model dont add weight model may visit out center circle Looks like FAT Trials will St Louis over July 4th holidays se lection process will pick three best pi lots alternates necessarily best team Team members will have fly well will have pit fellow competitors Good pilots arent necessarily good pitmen nor will team entirely compatible AMA HQ note hasnt yet determined wheth er US Combat Team will consist three pilots three pilots plus three pitmen Rules interpretations Remembering what just read about fire would consider plane flyable outboard wing burned off rest plane sound safe fly What think about person being disqualified cause engine blew up crank prop left airplane happened recent combat meet rules say lose part airplane falls off result collision always thought breaking cranks kind act God rather poor misfortune pilot Charlie Johnson 3716 Ingraham St San Diego CA 92109 714 273-6530 CL Racing/Lee Continued page 28 Missouri Glenn Lee Illinois chief self-appointed ultimately suc cessful trouble-maker Doctor Laird Jack son Pennsylvania Over course past couple years FAICLS has become established recognized special-interest groups seemingly important ingredient common special-interest groups good means regular communication its members Thanks primarily efforts Doc Jackson FAICLS com munication medium established publication Gazette news letter has become important source information FAI flier both racing speed Gazette originally tied FAICLS has expanded recently cover speed now also publication NASA North American Speed Association Mem bership either NASA FAICLS will get Gazette part dues eign subscriptions $10 primarily airmail postage Addresses interest FAI Control Line Society Stan Clough Secretary 111 5th Artillery Rd Ft Leavenworth KS 66027 NASA Jill Russell Secretary 4803 Fallon P1 Dallas TX 75227 Gazette 523 Meadowbrook Circle St Davids PA 19087 Sanding Aid very handy way sand new super stunter make home made sanding blocks using 12 hard balsa blocks various grades paper glued stuck sides Try 180 side 100 other long blocks great sanding wing leading edge trailing edge flaps stabs top bottom blocks paper gets worn just peel off old glue new glue right over old trick old Aldrich maybe some newer folk would like try local hobby shop also have what known Tee-Bar piece aluminum extrusion use same way Try self adhesive sandpaper Tee-Bar comes several differ ent sizesturn page April 1977 87 KRAFT ce Jack Yarger Mark Porter 216 499-8310 o fteca4iia/ 4ewcee Missing Persons order clear up some mysteries nearly completed History stunt-1940-1976 writer seeks help locating two stunt champions 40s Robert Bob Daily won open stunt division 1949 Na tionals first utilize I-beam wing construction origi nally Ferndale Michigan W Howard Thombs won Walker Cup 1949 flying according George Aldrich profile biplane about 12 degrees engine offset Thombs originally Warren Ohio later supposed working aircraft company Texas Any information whereAVAILABLE NOW 11916 SOPWITH PUP 2 1917 BRISTOL FIGHTER 3 1931 AVRON TUTOR FILMED ENTIRELY ON LOCATION AT Shuttleworth Collection OLD WARDEN AERODROME BEDFORDSHIRE ENGLAND MOST OF THE FLYING MA CHINES IN THIS UNIQUE COLLECTION ARE THE LAST REMAINING ORIGINAL SPE CIMENS ACTUALLY FLYING ANYWHERE IN THE WORLD abouts two stunters would ap preciated Canada good fortune Dayton Nats have several foreign en trants FAI Team Race team Brian Fairey Ken Parent Canada attended after representing coun try world champs July nota ble aspect TR effort use engine own design con struction RAM Mk III engine first seen world championships Dayton Nats placed second behind team Jed Kusik Larry Jolly US engine ATUENTION AMA CLUBS POLKS EXCLUSIVE WINGS OF HISTORY NOTAVAILABLE ANYWHERE ELSE IN THE USA Super 8mm Home Movies Color Lots action Lots authenticity See legendary 1916 Sopwith Pup WWI Bristol Fighter F2b 1917 Avron Tutor ual flight taking off landing fabulous close-ups showing detailings Natural Color Bristol Fighter film features exciting chase LVG CV1 films must flying buffs film library Remember available Polks SOUND & SILENT VERSIONS Magnetic Sound Versions$3500 Silent VersIon2500 ContaIned 200 ft Spools authentic sound original engines history narration D IS RECOM MENDED FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS. POLKS HOBBY DEPT STORES 314 FIFTH AVE. 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW LI. NY 11554Tel 516-489-1166 TRADE INGUIRIES INVITED WRITE POLKS 346 BERGEN AVE JERSEY CITY NJ 07304 result some four years extensive development effort two Canadians engine conventional design exception three features 1 The two-piece cylinder head consists high silicon content aluminum contrapiston sliding directly aluminum cylinder head contra-piston con trolled differential compression screw drives contra-piston increasing compression draws contra-piston decreasing compression high heat transfer aluminum alloy combined short heat path well finned head con tributes non-critical compression setting 2 The underside piston crown grooved drilled tapped wrist pin held place two 2-56 ton head cap screws allows bypass windows cut higher piston wall would otherwise interfere wrist pin conventional piston 3 The filler valve body cast urethane resin integral brass-tube liner pre-soldered brass pipes two-piece filler valve hard anodized aluminum alloy lapped fit brass liner valve body Cox-style venturi screws valve body also retains cut-out trip spring present time no plans commercial production engine al though raw castings available necessary machining facilities anyone interested informa tion contact Equipe Canada 242 Bellehaven Dr Waterloo Ont Some dimensional particulars Type Single cylinder air cooled Schnuer le loop scavenged two stroke diesel rear rotary drum valve twin ball bear ings Bore 574 Stroke 579 Displacement 2485 cc 1511 cu Bore/stroke ratio 99 14 Weight 165 gins Hints Its strange little things course building new 88 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST R/C BASIC TRAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-RAYand dealers sold themSHALL WE SAY MORE Andreses Aircraft Model Co Inc US Rte 1& North St Topsijeld Mass 01983 8878541 Price $3495 kit per doflar em series great value-for air enthusiastcollector-modeller-and enjoy historic aircraft model obvious newcomer experienced modeler forgets about until construc tion cycle again Ive working past few weeks Scoville Stardust talked about last column few tricks use probably would interest others picked up RC boys least first place saw insetting plywood edges balsa surface See drawing illustration technique Now ask would anyone want inset plywood edge balsa surface Well couple reasons First plywood provides hard edge sand since hard edge find surface lot durable less prone damage Second surprising amount strength gained plywood very small weight penalty Ive used technique balsa thin Ive used tail surfaces Goodyear well such places leading trailing edges wings thicker So get good stuff put together First must determine edge balsa want plywood generally center piece could offset airfoil shape being carved Next need cut slot edge balsa has about Y4 deep accurately cut trick comes easiest way get slot use small circu lar saw drill press saw set just right height cut slot want feed balsa piece through saw blade very slowly keep cutting under control cut slot Ive found normal saw comes Dremel Moto tool too thin tends flex wander over place youre trying cut slot However Ive found similar saw blade thicker 012 has larger mandrel gives very nice smooth cut just right thickness insert piece 1/64 plywood Its made Gyro company should available local hobby shop come four sizes $l 70 t$l85 1$200 1$235 also mandrel required runs 95 different Dremel mandrel cant find product locally local hobby shops Houston does mail-order business carries line saw blades Write G G Model Shop 2522 Times Blvd Hous ton TX 77005 use rel gives slot Another problem run building Scale Racer Rat make Monoline buttons necessary attaching control lines internally model After having tried tech nique could think notable lack success stumbled across method really works quite easy First April 1977 89 IL AC ANNUAL 2 DAYS ONLYSATURDAY & SUNDAY MAY7 MAY8 10 AM -8 PM 11 AM -6 PM SEE IT ALL RADIO CONTROL PLANES COPTERS S U-CONTROL * FREE FLIGHT INDOOR-OUTDOOR DEMONSTRATIONS MODEL AND CRAFT SHOW IGIANT STATIC DISPLAY CONTEST Open public * Over 200 Award SI OVER 250 EXHIBITORS 0 SQ FT CENTER ANAHEIM CALIFORNIA NONSELLING SHOW Th COMPLETE THIS FORM AND ATTACH MAILING LABEL FROM RECENT 14 ISSuE LET US KNOW WHERE YOU ARE GOI move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept. Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 Check appropriate boxenclose payment C NEW SUBSCRIPTION C CHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NAME ADDRESS CITY/STATE _______________________________________________ ZIP ________________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 Co2 INSTANT POWER Midget GIANT-SIZE rhis engine will power model pLanes peanut scale up 24 wIng span effortlessly power 45 seconds adjusted run up 5 minutes per charge 002 bulb can charge engines tank 6 10 times Shark manufactured finest pre cision using nylon crank case cylin der piston CfJ2 fuel safe expensive easily available flick prop Shark roars action bulb will give 6 10 flights under ideal condi tions Engine Includes Fuel Tank Propel ler Charging Sun No Batteries Glow Plug Messy iiei utnicirn-to-aet $199 5 Needle Valve No cut hands won about either FLYING MODEL AIRPLANE CATALOG$150 PLASTIC MODEL KITS CATALOG$150 SEND POSTPAID MAIL ORDERS TO FIFTH AVENUE ADDRESS POLKS HOBBY DEPT STORES 314 FIFTH AVE 47 Y 10001 Tel 212-279-9034 2072 FRONT ST EAST MEADOW Ll. NY 11554 Tel 516-489-1166 TRADE INQUIRIES INvITED WRITE POLKS 346 BERGEN AVE. JERSEY cITY-NJ 07304 NEW 1295 FORD TRI MOTOR 1195 Unique because such amazing scale dpt kits relatively ays such-~edglfl MIn4Ied tbin 0urneWctlanne Wail see 01her sprifl9cW rly shown that SN iignly detailed Plastic Parts uulng touch realism-in-miniature NEW MESSERSCHMIi 1 495 ready bolt placeComplete control system less handle lines decals landing gear wheels etc makes building cinch assembly literally minutes can use 049 engine R0 Nifty control line models Theyre easiest ones world assembleall wood no tissue coveringonly 6 9 parts depending model ex cept Biplanes have few Genuine Nylon motor mount THEYRE AT YOUR DEALER GET OVER AND SEE THEM NOW hardware store buy piece Adiameter mild-steel rod Ive seen displays several different local stores rod should easily available almost anywhere price should less $1 Next cut off couple inches chuck up -in electric drill Clamp drill workbench held quite steady Moto Tool put thin cut-off discs drill turning rod very carefully smooth end rod cut-off disc Moto Tool Now put second cut-off disc mandrel along first will give about 050 thick cutter drill turning rod make slot about 025 end rod leaving center about 100 in diameter Now go back single cut-off disc cut rod off about 025 beyond slot just made Bingo perfect button use internally connected controls might want smooth bottom slot single disc before cut button off rod abso lutely necessary have have access Unimat-type lathe simply use drill chuck let lathe takethe place drill have found use cut-off discs Moto Tool superior trying use bit lathe Rules changes now have un doubtedly read rules changes have proposed especially pertain Control-Line Racing events Im sure rules change pro posals will meet universal acceptance few have already drawn some fire Let quote letter Tim Gillott best racing competitors have sport December 76 issue MA Racing Advisory Committee RAC has made several rule change recommendations feel betterment control-line racing agreement find two end first CL-78-17 RAC ban internal line hook-ups rac ing planes safety reason dis agree feeling internal systems safe safer external hook-up feel either way adequate long proper care taken further dont take care internal hook-ups wont take better care external ones either feel fol lowing reasons should considered 1 No leadouts and/or line connectors often tangle cause trouble 2 No leadouts continually battered during transport storage times have straightened bent leadout Probably quite few 3 1 internal system inspected time hook up external generally buried permanently cant inspected 12 years racing have never seen line break point exit have 90 Model Aviation fltf LAcrMn3np flLLflfl TIGER MOTH BEGINNERS TOLEDO 23 ANNUAL RADIO CONTROL EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Unquestionably worlds control show its open three great days Plan greatest radio public now attend APRIL 12&3 FRIDAY 9am 6pm SUNDAY9 am 330 pm 197k SATURDAY9am 6pm presented WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 43613 XPAAI IZACIL 4 solid leadouts bent during rough landing causing crash takeoff often taking other planes have also seen line clips/leadouts become tangled same results Neither things can happen properly installed cared internal system conclusion feel no valid reason handicap us have use ternal system banning rac ing After FAI TR safety conscious allows second CL-78-16RAC ban exhaust extensions racing heartily agree megaphones fulllength pipes should outlawed feel minipipes should allowed easily cheaply obtained used anyone since no secret except cut try would also create havoc rear exhaust engines Rat Race especially what constitutes static performance gain Tims concern rules have live example racing fliers should follow Ive said until Im blue face dont contrib ute dont have reason complain about results current rules cycle cross-proposal stage open AMA member may put cross proposals original pro posals passed CLCBs initial vote Obviously Tims concern least pro posal 16 deserves cross proposal hope follows through normal channels open him other AMA members also have CLCB person district talk represents you convince him vote way think WR Lee 3522 Tamarisk Lane Mis souri City TX 77459 ci Aerobatics/Paul Continued page 29 tip weight 1976 airplane has completely removable right wing tip held 4-40 screw Two pegs help lo cate tip its very difficult see separation line between tip wing Columbus Ohio resident always has slickest finished planes Nationals writer good tune fly Joes 38-oz Max-powered light-weight last summer quite thrilling experience feel bantam weight lines after Pampawagon 60-oz beasts Let tell light plane can really change attitude toward pattern High-Power Engine Control-line Carrier event National Champion Carlos Aloises recent entry stunt special prod ucts field has caused ripple inquiry speculation Carlos claims has 58-oz 40 engine powerful ST 46 also has 92-oz 50 engine powerful ST 60 World Champion Les McDonald will soon test 50 states engine basic ally ST 46 has stroked re ported later Hope work Special Interest Groups Control-line now has five special interest groups PAMPA MACA FAI Control-Line Society North American Speed Association CLRPM associated monthly publica April 1977 91 r Bob Galles Midas Beautifully finished ship built magazine plans Spanning 61 in. has built-up wing Supertigre 46