TWO Stunt fliers have gained moderate notoriety lately using homemade three-hiaded props Bob Hunt won 1978 World Championships using own three-blader made Rev-Up 12-5 blades also competed finished sixth 1979 Nationals type prop Gene Martine also made up several three-bladed props use HP-40s Max 40s What want stress both men excellent machinists thousands dollars worth machine tools disposal Bobs father Jim machinist small parts produ cer trade Gene machine shop teacher school possesses exceptional skills arerage stuotfi jer should attempt put together three-bladed prop Considerable skill safety consciousness required machine front backplates homemade three-blade prop fitting three blades together balancing prop very exacting opinion few other qualified persons United States could successfully safely construct three-bladed prop dont antici pate Bob Gene putting products up sale too dangerous too expensive although Bob has stated three bladers got broken takeoff shearing off blades hub assembly did come apart its worth risk questionable several Expert stunt pilots actually large increase performance using three-blade prop Certainly takes very strong engine pull three bladers So have drill press Hobby Lathe dont try build own trick prop youre asking trouble Switching back positive side street Mike Mustain has suggestion concerning Supertigre 46 spray bar assembly Citing need better fuel flow better needle setting Mike advises since spray bar Tigre designed sprinkler system fuel atomized too soon relocated needle valve utilized fliers use drilling length spray bar No 53 bit fuel flow will constant spray bar venturi hole drill spray bar hole same No 53 drill Pass 53 drill through spray bar lengthwise again several times remove burrs venturi hole treads inside spray bar will damaged drill Mike says modification will add power engine will greatly aid setting needle valve will assist obtaining one-flip starts Second place Nats finisher Bill Werwage tried needle valve trick has said does help setting needle valve reauest has come infomition wbit nrt support equipment used fliers support equipment meant handles lines clips electri cal hookup fuel transfer tachometers Lets start important lines clips handles Line thickness govemed rules might want try some solid lines since reduced diameter less drag Just certain 1oop ends per AMA rule book best clips use one- piece Pylon clips item No SU-LC-122 110 pounds test clips strong wont slip although have never seen other type line clip fail some handles market plus will see lot handmade individuals usually fit hand Probably seen old E-Z-Just small large still available hobby shops although no longer produced reason no longer produced lawsuit brought against firm family boy electrocuted flying near overhead electric lines decided against manufacturer handle must certain check cable time time instances cable breaking 38 Model Aviation Stuntwagon 30 deBolt design 1949 built Doug Dahlke has 44-in wing powered authentic K&B Greenhead 23 Seems short coupled combat models become Continued page 123 Larry Lauer Ole Red affectionately named ii ing two-dollar coin Hunt foam wing Max 40 FSR uniflow tank Martine muffler assume lots red color scheme Tenth 1979 Nats Jim Casale Spectrum Foam wing spans 58 in56oz Max45 FSRandgorgeouslyfinished AeroGloss throttle response around idle Future columns will describe fuel meters on-off pressure systems use exhaust slide want wait fuel meter like shown photo available Harry Higley 433 Arquilla Dr Glenwood IL 60425 Richard L Perry 5016 Angelita Ave Day ton OH 45424 CL Aerobatics/Paul continued page 38 outlet plastic handle Richard Byron has cables tested local college said broke around 100 pounds pull very good still some Control Specialties In-flite adjustable handles available although Bob Hunt now working Flying Models high density foam handle has wide spacing very good cable George Aldrich handle designed George after used years good light weight handle cable very strong Georges handles several colors plastic part handle Fox makes steel handle large wooden grip handle has two line spacing positions wooden grip real handful can sanded carved conform hand Bob Baron designed handle has magazines two occasions MAN August 1970 ModelAviation April 1977 adjustable handle basis marketed Gene Martine Custom Master Products Jacksonville Fla handle favorite USA team member Gene Schaffer well several other Eastern fliers Sullivan Products also has plastic handle nine adjustments may fit -- hand want build own handle certain pull-test well before using electrical equipment get everything plain old 1 volt battery two alligator clips using Du-Bro Kwik Gb go-plug connector No DU-KG-147 using awet cell Wet cells usually 2 volts need recharging will blow out weak plug whats sense having weak plug anyway Getting very popular now Fusite GloBee Fireplug Charger costs about $3995 retail has ammeter built rechargeable will show plug flooded bumt out seems last long time between charges number fliers build unit flight box has ammeter can test plug usually have two 1-volt cells wet cell built types units Tatone makes nifty hand-on con nector eliminates wires called Pocket Booster Prather makes starting battery com bination called has NiCad battery plug tester battery tester together about $2995 other units available should check local hobby store catalogs Another item getting fuel gallon can fuel tank will see guys using old fashioned fuel bulb various types plastic fuel bottles squeeze bulbs ete Some use manual feed fuel pumps attached cans few use electric fuel pumps Just remember some synthetic fuels will attack parts plastic fuel pumps reduce putty Lastly number fliers use tachometer set rpms engines ground trusting ears partners tojudge engine speed Bob Baron swears Heathkit tach just Gene Martine likes Royal Pro-Tach uses Under dlffering weather humidlty condltions FUN SCALE SE RI EScf , ANG 40 new super quiet K&B 40 R/C muffler requirao no exhaust plugs fittings adsgstcrn Muffler uneolsined fit exhaust stack end cover exposed holes Just bolt on.thatn iti Will reduce noise 10 12 dacbeln little no tom pmn u Noiw cancelled interposing noufld wanes Radl cal tree flow enpennion dumber angled blow enbeust emey front lusalegs us amy attach sHag pronision pressure fitting Also snellinle lot ENYA 20 35 40 48 06 MAX 30 35 40 SUPER TIORE 021 35 46 Add 8100 extra eaa engines apacify type MountIng strep ncraw included Dealers Distributors InvitedOnly catalogNo3061395 calNo 35455 Shunt Beam 115600 catr4o 30453 Long Beam 2.S0O Add $1 25 postage handling CA residentsadd 6% tax ga a cast Aluminum K & 5 40 RIC Engine Mounts 01 006 8pp00 JuSt th aug n thu mount thu probably good idea use tachometer suggest obtain copies available catalogs includlng used Radlo Control take time go through carefully information stunt orPAMPA con tact Wynn Paul 1640 Maywick Drivn Lexing ton KY 40504 Arado 68-F/McClure continued page 45 plant first devoted construction furniture small boats although Stinnes intended again build aircraft time acquisition Thereafter 1924 very competent aircraft designer kg Walter Rethel resigned Fokker Netherlands joined Stinnes Wamemtlde Apparently name Arado officially adopted until 1925 Rethel designated Chief Engineer point great interest note same Walter Rethel years later Chief Engineer Bayerische Flugzeugwerke AG later being Messerschmitt AG great responsibility creation historic Bf 109 produced fighter time relation Arado initial location Warne mude may recalled first Heinkel plant also located 1929 Arado design bureau under Rethel produced several machines among noteworthy SDi SD2 SD-3 fighter biplanes SSD1 float fighter fighter designs prototypes led creation Arado Ar 64 immediate predecessor first Luftwaffe December1979 123 Quiet Power Taone Makes Easy
Edition: Model Aviation - 1979/12
Page Numbers: 38, 123
TWO Stunt fliers have gained moderate notoriety lately using homemade three-hiaded props Bob Hunt won 1978 World Championships using own three-blader made Rev-Up 12-5 blades also competed finished sixth 1979 Nationals type prop Gene Martine also made up several three-bladed props use HP-40s Max 40s What want stress both men excellent machinists thousands dollars worth machine tools disposal Bobs father Jim machinist small parts produ cer trade Gene machine shop teacher school possesses exceptional skills arerage stuotfi jer should attempt put together three-bladed prop Considerable skill safety consciousness required machine front backplates homemade three-blade prop fitting three blades together balancing prop very exacting opinion few other qualified persons United States could successfully safely construct three-bladed prop dont antici pate Bob Gene putting products up sale too dangerous too expensive although Bob has stated three bladers got broken takeoff shearing off blades hub assembly did come apart its worth risk questionable several Expert stunt pilots actually large increase performance using three-blade prop Certainly takes very strong engine pull three bladers So have drill press Hobby Lathe dont try build own trick prop youre asking trouble Switching back positive side street Mike Mustain has suggestion concerning Supertigre 46 spray bar assembly Citing need better fuel flow better needle setting Mike advises since spray bar Tigre designed sprinkler system fuel atomized too soon relocated needle valve utilized fliers use drilling length spray bar No 53 bit fuel flow will constant spray bar venturi hole drill spray bar hole same No 53 drill Pass 53 drill through spray bar lengthwise again several times remove burrs venturi hole treads inside spray bar will damaged drill Mike says modification will add power engine will greatly aid setting needle valve will assist obtaining one-flip starts Second place Nats finisher Bill Werwage tried needle valve trick has said does help setting needle valve reauest has come infomition wbit nrt support equipment used fliers support equipment meant handles lines clips electri cal hookup fuel transfer tachometers Lets start important lines clips handles Line thickness govemed rules might want try some solid lines since reduced diameter less drag Just certain 1oop ends per AMA rule book best clips use one- piece Pylon clips item No SU-LC-122 110 pounds test clips strong wont slip although have never seen other type line clip fail some handles market plus will see lot handmade individuals usually fit hand Probably seen old E-Z-Just small large still available hobby shops although no longer produced reason no longer produced lawsuit brought against firm family boy electrocuted flying near overhead electric lines decided against manufacturer handle must certain check cable time time instances cable breaking 38 Model Aviation Stuntwagon 30 deBolt design 1949 built Doug Dahlke has 44-in wing powered authentic K&B Greenhead 23 Seems short coupled combat models become Continued page 123 Larry Lauer Ole Red affectionately named ii ing two-dollar coin Hunt foam wing Max 40 FSR uniflow tank Martine muffler assume lots red color scheme Tenth 1979 Nats Jim Casale Spectrum Foam wing spans 58 in56oz Max45 FSRandgorgeouslyfinished AeroGloss throttle response around idle Future columns will describe fuel meters on-off pressure systems use exhaust slide want wait fuel meter like shown photo available Harry Higley 433 Arquilla Dr Glenwood IL 60425 Richard L Perry 5016 Angelita Ave Day ton OH 45424 CL Aerobatics/Paul continued page 38 outlet plastic handle Richard Byron has cables tested local college said broke around 100 pounds pull very good still some Control Specialties In-flite adjustable handles available although Bob Hunt now working Flying Models high density foam handle has wide spacing very good cable George Aldrich handle designed George after used years good light weight handle cable very strong Georges handles several colors plastic part handle Fox makes steel handle large wooden grip handle has two line spacing positions wooden grip real handful can sanded carved conform hand Bob Baron designed handle has magazines two occasions MAN August 1970 ModelAviation April 1977 adjustable handle basis marketed Gene Martine Custom Master Products Jacksonville Fla handle favorite USA team member Gene Schaffer well several other Eastern fliers Sullivan Products also has plastic handle nine adjustments may fit -- hand want build own handle certain pull-test well before using electrical equipment get everything plain old 1 volt battery two alligator clips using Du-Bro Kwik Gb go-plug connector No DU-KG-147 using awet cell Wet cells usually 2 volts need recharging will blow out weak plug whats sense having weak plug anyway Getting very popular now Fusite GloBee Fireplug Charger costs about $3995 retail has ammeter built rechargeable will show plug flooded bumt out seems last long time between charges number fliers build unit flight box has ammeter can test plug usually have two 1-volt cells wet cell built types units Tatone makes nifty hand-on con nector eliminates wires called Pocket Booster Prather makes starting battery com bination called has NiCad battery plug tester battery tester together about $2995 other units available should check local hobby store catalogs Another item getting fuel gallon can fuel tank will see guys using old fashioned fuel bulb various types plastic fuel bottles squeeze bulbs ete Some use manual feed fuel pumps attached cans few use electric fuel pumps Just remember some synthetic fuels will attack parts plastic fuel pumps reduce putty Lastly number fliers use tachometer set rpms engines ground trusting ears partners tojudge engine speed Bob Baron swears Heathkit tach just Gene Martine likes Royal Pro-Tach uses Under dlffering weather humidlty condltions FUN SCALE SE RI EScf , ANG 40 new super quiet K&B 40 R/C muffler requirao no exhaust plugs fittings adsgstcrn Muffler uneolsined fit exhaust stack end cover exposed holes Just bolt on.thatn iti Will reduce noise 10 12 dacbeln little no tom pmn u Noiw cancelled interposing noufld wanes Radl cal tree flow enpennion dumber angled blow enbeust emey front lusalegs us amy attach sHag pronision pressure fitting Also snellinle lot ENYA 20 35 40 48 06 MAX 30 35 40 SUPER TIORE 021 35 46 Add 8100 extra eaa engines apacify type MountIng strep ncraw included Dealers Distributors InvitedOnly catalogNo3061395 calNo 35455 Shunt Beam 115600 catr4o 30453 Long Beam 2.S0O Add $1 25 postage handling CA residentsadd 6% tax ga a cast Aluminum K & 5 40 RIC Engine Mounts 01 006 8pp00 JuSt th aug n thu mount thu probably good idea use tachometer suggest obtain copies available catalogs includlng used Radlo Control take time go through carefully information stunt orPAMPA con tact Wynn Paul 1640 Maywick Drivn Lexing ton KY 40504 Arado 68-F/McClure continued page 45 plant first devoted construction furniture small boats although Stinnes intended again build aircraft time acquisition Thereafter 1924 very competent aircraft designer kg Walter Rethel resigned Fokker Netherlands joined Stinnes Wamemtlde Apparently name Arado officially adopted until 1925 Rethel designated Chief Engineer point great interest note same Walter Rethel years later Chief Engineer Bayerische Flugzeugwerke AG later being Messerschmitt AG great responsibility creation historic Bf 109 produced fighter time relation Arado initial location Warne mude may recalled first Heinkel plant also located 1929 Arado design bureau under Rethel produced several machines among noteworthy SDi SD2 SD-3 fighter biplanes SSD1 float fighter fighter designs prototypes led creation Arado Ar 64 immediate predecessor first Luftwaffe December1979 123 Quiet Power Taone Makes Easy