Speed EJGene Hem pel Tom Upton HEMPEL AND UPTON Besides being new authors col umn two fathers Gene Hempel Tom Upton two sons Patrick Hem pel age 16 Ashley Upton age 6 enjoy control-line speed competition Gene Tom some building engine work very little flying Pat rick does majority building painting pulls double duty flying Senior Open class airplanes Ashley valuable team helper acts go-for end flight nuts beware will joining ranks shortly have comments questions valuable photos $5 gets published can reached address end column several years general com plaint potential speed fliers has complete lack high quality production engines could compete homebuilt demons have dominated speed circles some bums guilty running homebuilts no since man ufacturers have come through high quality equipment available anyone terested flying speed have compiled list AMA classes competitive production engines currently available few slated production next contest season engines rear exhaust unless otherwise noted steel ABC steel ringed refer type piston cyl inders available /2A 0000-0504 cu Cox TD 049 front rotor side exhaust 0505- 1525 cu inRossi 15 front rotor rear rotor steel ABC Super tigre XIS rear rotor steel ABC Cox 15 front rotor steel some parts inter changeable Rossi B 1526-3004 cu inK&B 29 front rotor ABC can converted rear rotor production K&B parts Supertigre X29 rear rotor ABC OPS 29 front rear rotor ABC new stronger case steel rotor C Patrick Hempel 185-mph record Senior Class C shipK&B 40 engine mini-pipe Continued page 99 44 Model Aviation Records fall BRM meet Allentown September spite wind rain Note least three asymmetric airplanes photo Frank Garzon Other pictures taken Gene Hempel Houston October Perfect weather Houston encouraged setting five national records David Layman preparing launch Dub Jetts model its 18086 mph record flight Class smiles John Shannon after fantastic 20032 mph flight B made him fourth member exclusive over-200-mph club sitting back Monday night trying enjoy game ignore Cosell same time wheels can use couple small screwdrivers remove tire hub makes much easier sand scratching hub hand like use 3M 220 grit Tri-M-Ite Free-Cut Finishing Paper listed Sig catalog cant find locally yours AMA Scale model judges will close enough touch should sand tire again lightly 360 finer grit paper take out obvious scratch marks wont too can see tire photo sanded 220 Most commercial model wheels PB Aeroscale Robart Goldberg new Fox styles name few have molded tire high gloss finish under standable selling product since looks great package types model airplanes Texas Scale Championships held Abilene included CL FF RC scale events exciting success According Jerry Farr combined contests work very well fly UC FF RC scale same field something see Watch next years con test calender 78 going have two days worth Scale Grapevine AMA museum class scale whatever have calling since advent Sport Scale will referred 78-79 rule book Precision Scale action Scale Board Scale Board also adopted rules proposal cycle will allow unlisted flight options necessarily mechanical required before per formed CL Precision Scale Hmmm about P-5l doing Bob Hoover style one-wheel landing annual FAI meeting Paris will already have taken place time read may discuss including FF Scale next WC Proposed US annual FAI meeting Paris will already have taken place time read may discuss including FF Scale next WC Proposed US Mike Stott perennial Nats WC CL Scale ace former editor column taking breather lately keeping busy building large scale display boats Kayot Corp dont count Mike out hell likely come up full slate options turn up 78 Nats Mike Gretz Box 162 Montezuma IA 50171 CL Speed/Hempel/Upton continued page 44 5oIa GIothFilm HOT FUEL PROOF DOPEEXCLUSIVE LOW HEAT AWARD WINNINGCOVERING FOR HIGLOSS AND FLATFOAM & BAtSA FINISHES AVAILABLEFLYING MODELS IN OVER 36 COLORSflexible ble IN BRUSH AND SPRAYfuel pruaf Iightweigbt pflCflH Industries Inc 7060 HOLLYWOOD BLVD. LOS ANGELES CA 90028 rear rotor ABC Supertigre X40 rear rotor ABC OPS 40 front rear rotor ABC 05 Max 40 front rear rotor steel ringed side exhaust HP 40 front rear rotor steel ringed side exhaust D 30056500 cu inOPS 60 rear rotor ABC has new stronger front housing rod backplate assembly OS Max 65 rear rotor side exhaust steel ringed Rossi 65 rear rotor ABC available sometime Spring cannot find engines local hobby shop try following sources Cox Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Rossi Bills Miniature Engines 1325 Carol Dr Memphis TN 38116 Supertigre & 05 Max World Engines 8960 Rossash Ave Cincinnati OH 45236 HPMidwest Models 6926 West 59th St Chicago IL 60638 OPS K&B Shamrock Com petition Imports PO Box 26247 New Orleans LA 70186 K&B K&B Manufacturing 12152 5 Woodruff Ave Downey CA 90241 know just what some doubt ing Thomas types saying Sure sure production engines will never compete homebuilt monsters completely rebuilding Yes will examples suc cess some people have recently David Layman 5600 N Freeway Apt 102 Houston TX 77076 Dub Jett February 1978 99 TRY THESE OTHER CONTEST QUALITY PRODUCTS PROM PACTRA 3005-4000 cu Formula 40 2800-4000 cu inK&B 40 front CATALOG 25c DAVIS 22 D-IKPLAN 1 CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107, KITS S 0 ACCESSORIES BABY ACEP-N UT KITS N BEARINGS BROWN CO-2 ENGINES RE AL JAPANESE TISSUE-PROPS I17 SPAN 4COMPLETE CATALOG 50q IKIT $425MANY HARD TO FIND ITEMS Pee*-haw BOX 2493LA MESA CALIF 92041 4720 Ashbrook Rd Dallas TX have turned 18011 18086 mph respectively stock ST X-15s except chromed liners new heads Dub will chrome fit liners about $18 David will other work Brent Bussell Dallas TX has turned 186 stock X-29 understand Nick Shear 815 Beech Rd Langhorne PA 19047 has done 188 Patrick Hempel holds Senior B record 19264 mph practically stock K&B 40 mini-pipe Charley Anaston Dallas TX has turned 161-mph Formula 40 time very stock X40 could back up record hold Formula 40 record aK&B4ORRat 16181 mph received some photos contest re sults Nick Sher about BRM speed meet held September 24 25 near Allentown PA Nick says weekend rainy windy 670 Saturday 540 Sunday record speeds achieved Quay Barber Cleveland Glen Vansant Quay turned 9371 mph new Jr o record backed up 911 mph using TD 049 equipped new Gb Bee plug own molded high aspect ratio prop Glen blasted Senior Formula 40 15268 mph unable back up Next year right winners class through third place except B proto no entries Nich Sher also attended Dayton OH meet October 9 set new speed record 12157 mph using piped Cox 049 Al Stegans Cleve land OH turned 11837 mph open-faced no pipe prove can done pipe Frank Garzan put respectable 195 mph D speed using OPS 65 mini-pipe Beware because combination meets 78 79 rules October 15 16 saw Texas bunch get together Houston yearly end season contest five new national records established weather perfect 70 800 tem peratures 30% less humidity John Shannon started everything off right nice clean 196-mph B flight beat old 19347-mph record held himself Dub Jett dust hardly cleared Hempel Uptons mula 40 hit 16181 mph break old 15879-mph record backed up 15 minutes later slightly rich 1585mph flight congratulating other Shannon put back-up flight 198 mph really shook air figured John would relax after flight right after lunch put third flight fantastic 20032 mph make him fourth member cov eted 200-mph club John using own DJ529 80% nitro fuel Rev-up 7-11 TWA-type suction tank Sunday Patrick Hempel broke 18230-mph Senior C speed record clean 18530mph flight backed up another 185-mph flight Patrick using very stock K&B40 mini-pipe 7-12 Rev-up bladder fuel system 82% nitro fuel Ross Lewis father Jim couple new comers speed circle set Jr B profile proto record 122 mph backed up 120 mph Sunday afternoon became battle speed record Layman Giertz put screaming 18011 mph flight new record backed up put everything up until about 3 pm Dub Jett turned 18086-mph beat new record Dub blew two back-up attempts slow 174-mph flight lean Layman Gierty preparing battle again kept having problems engine cooling off Dub finally backed-up flight very clean 180 mph claim sixth final record weekend Boy did have fun new rules 1978-1979 have voted results I Drop proto replace profile proto age classes 2 B proto D speed will mini-pipes 3 All Jr Sr classes will mini-pipe next article David Layman will lay line tell go 180 mph speed Gene Hem pel Tom Upton 301 N Yale Garland TX 75042 CL Carrier/Perry continued page 45 above 600 attempt slow model will also cause loss low-speed score scale bonus 10 points now will awarded profile class rules rather liberal Acceptable designs de fined just Class Class II judging less restrictive Three-view drawings must presented no maximum allowable deviation scale classes judge must able see clearly model close repre sentation original airplane no restrictions moveable surfaces long overall outlines wing tail surfaces preserved no re quirement scale-like dihedral land ing gear location rules no changes will make existing models engines obsolete possible change required few profile class models will addition some type cockpit appropriate national markings Any planning build new Profile Car rier model should least consider building model will qualify scale bonus points number kits easily adopted new bonus point rule G-S Products Bearcat Corsair Skyraider excellent kits designed beginning Profile Carrier event old Sterling Mustang good can didate since P-SI D models used Navy takeoff landing trials 1944 Most full-scale carrier airplanes tapered wings scratch-building tapered wing requires cutting out lot different size ribs however numerous kits can used basis tapered-wing profile scale model Goldberg Shoestring swept leading edge Cosmic Wind straight leading edge yield about 360 square inches wing area Sterling Ring master same size category airplanes mild trailing edge taper construction method used Top Flite Flight Streak appropriate Flight Streak uses rectangular wing frame tapered trailing edge flap Sterling Yak-9 smaller may hard find should make good Airabonita minor changes wing tail outlines quite few straight-wing biplanes around earlier days naval aviation Sig Fokker D-VII Spad kits would good place start biplane could built around Harry Higleys Mo-Bipe design As new scale-like profile models developed would like include photos column Send black white glossy prints favorite model will try have photos published ask participation patience limited num ber photos can print month Richard L Perry 5016 Angelita Ave Dayton OH 45424 CL Aerobatics/Paul continued page 43 National PA Champion Junior 1976 Senior1977 Some stunters contend necessary balance props model en gines since cylinder en gine inherently unbalanced Dick Mathis some time ago others have talked recommend rotating prop 180 degrees crankshaft seems vibrating too much pointed out 100 Model Aviation
Edition: Model Aviation - 1978/02
Page Numbers: 44, 99, 100
Speed EJGene Hem pel Tom Upton HEMPEL AND UPTON Besides being new authors col umn two fathers Gene Hempel Tom Upton two sons Patrick Hem pel age 16 Ashley Upton age 6 enjoy control-line speed competition Gene Tom some building engine work very little flying Pat rick does majority building painting pulls double duty flying Senior Open class airplanes Ashley valuable team helper acts go-for end flight nuts beware will joining ranks shortly have comments questions valuable photos $5 gets published can reached address end column several years general com plaint potential speed fliers has complete lack high quality production engines could compete homebuilt demons have dominated speed circles some bums guilty running homebuilts no since man ufacturers have come through high quality equipment available anyone terested flying speed have compiled list AMA classes competitive production engines currently available few slated production next contest season engines rear exhaust unless otherwise noted steel ABC steel ringed refer type piston cyl inders available /2A 0000-0504 cu Cox TD 049 front rotor side exhaust 0505- 1525 cu inRossi 15 front rotor rear rotor steel ABC Super tigre XIS rear rotor steel ABC Cox 15 front rotor steel some parts inter changeable Rossi B 1526-3004 cu inK&B 29 front rotor ABC can converted rear rotor production K&B parts Supertigre X29 rear rotor ABC OPS 29 front rear rotor ABC new stronger case steel rotor C Patrick Hempel 185-mph record Senior Class C shipK&B 40 engine mini-pipe Continued page 99 44 Model Aviation Records fall BRM meet Allentown September spite wind rain Note least three asymmetric airplanes photo Frank Garzon Other pictures taken Gene Hempel Houston October Perfect weather Houston encouraged setting five national records David Layman preparing launch Dub Jetts model its 18086 mph record flight Class smiles John Shannon after fantastic 20032 mph flight B made him fourth member exclusive over-200-mph club sitting back Monday night trying enjoy game ignore Cosell same time wheels can use couple small screwdrivers remove tire hub makes much easier sand scratching hub hand like use 3M 220 grit Tri-M-Ite Free-Cut Finishing Paper listed Sig catalog cant find locally yours AMA Scale model judges will close enough touch should sand tire again lightly 360 finer grit paper take out obvious scratch marks wont too can see tire photo sanded 220 Most commercial model wheels PB Aeroscale Robart Goldberg new Fox styles name few have molded tire high gloss finish under standable selling product since looks great package types model airplanes Texas Scale Championships held Abilene included CL FF RC scale events exciting success According Jerry Farr combined contests work very well fly UC FF RC scale same field something see Watch next years con test calender 78 going have two days worth Scale Grapevine AMA museum class scale whatever have calling since advent Sport Scale will referred 78-79 rule book Precision Scale action Scale Board Scale Board also adopted rules proposal cycle will allow unlisted flight options necessarily mechanical required before per formed CL Precision Scale Hmmm about P-5l doing Bob Hoover style one-wheel landing annual FAI meeting Paris will already have taken place time read may discuss including FF Scale next WC Proposed US annual FAI meeting Paris will already have taken place time read may discuss including FF Scale next WC Proposed US Mike Stott perennial Nats WC CL Scale ace former editor column taking breather lately keeping busy building large scale display boats Kayot Corp dont count Mike out hell likely come up full slate options turn up 78 Nats Mike Gretz Box 162 Montezuma IA 50171 CL Speed/Hempel/Upton continued page 44 5oIa GIothFilm HOT FUEL PROOF DOPEEXCLUSIVE LOW HEAT AWARD WINNINGCOVERING FOR HIGLOSS AND FLATFOAM & BAtSA FINISHES AVAILABLEFLYING MODELS IN OVER 36 COLORSflexible ble IN BRUSH AND SPRAYfuel pruaf Iightweigbt pflCflH Industries Inc 7060 HOLLYWOOD BLVD. LOS ANGELES CA 90028 rear rotor ABC Supertigre X40 rear rotor ABC OPS 40 front rear rotor ABC 05 Max 40 front rear rotor steel ringed side exhaust HP 40 front rear rotor steel ringed side exhaust D 30056500 cu inOPS 60 rear rotor ABC has new stronger front housing rod backplate assembly OS Max 65 rear rotor side exhaust steel ringed Rossi 65 rear rotor ABC available sometime Spring cannot find engines local hobby shop try following sources Cox Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Rossi Bills Miniature Engines 1325 Carol Dr Memphis TN 38116 Supertigre & 05 Max World Engines 8960 Rossash Ave Cincinnati OH 45236 HPMidwest Models 6926 West 59th St Chicago IL 60638 OPS K&B Shamrock Com petition Imports PO Box 26247 New Orleans LA 70186 K&B K&B Manufacturing 12152 5 Woodruff Ave Downey CA 90241 know just what some doubt ing Thomas types saying Sure sure production engines will never compete homebuilt monsters completely rebuilding Yes will examples suc cess some people have recently David Layman 5600 N Freeway Apt 102 Houston TX 77076 Dub Jett February 1978 99 TRY THESE OTHER CONTEST QUALITY PRODUCTS PROM PACTRA 3005-4000 cu Formula 40 2800-4000 cu inK&B 40 front CATALOG 25c DAVIS 22 D-IKPLAN 1 CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107, KITS S 0 ACCESSORIES BABY ACEP-N UT KITS N BEARINGS BROWN CO-2 ENGINES RE AL JAPANESE TISSUE-PROPS I17 SPAN 4COMPLETE CATALOG 50q IKIT $425MANY HARD TO FIND ITEMS Pee*-haw BOX 2493LA MESA CALIF 92041 4720 Ashbrook Rd Dallas TX have turned 18011 18086 mph respectively stock ST X-15s except chromed liners new heads Dub will chrome fit liners about $18 David will other work Brent Bussell Dallas TX has turned 186 stock X-29 understand Nick Shear 815 Beech Rd Langhorne PA 19047 has done 188 Patrick Hempel holds Senior B record 19264 mph practically stock K&B 40 mini-pipe Charley Anaston Dallas TX has turned 161-mph Formula 40 time very stock X40 could back up record hold Formula 40 record aK&B4ORRat 16181 mph received some photos contest re sults Nick Sher about BRM speed meet held September 24 25 near Allentown PA Nick says weekend rainy windy 670 Saturday 540 Sunday record speeds achieved Quay Barber Cleveland Glen Vansant Quay turned 9371 mph new Jr o record backed up 911 mph using TD 049 equipped new Gb Bee plug own molded high aspect ratio prop Glen blasted Senior Formula 40 15268 mph unable back up Next year right winners class through third place except B proto no entries Nich Sher also attended Dayton OH meet October 9 set new speed record 12157 mph using piped Cox 049 Al Stegans Cleve land OH turned 11837 mph open-faced no pipe prove can done pipe Frank Garzan put respectable 195 mph D speed using OPS 65 mini-pipe Beware because combination meets 78 79 rules October 15 16 saw Texas bunch get together Houston yearly end season contest five new national records established weather perfect 70 800 tem peratures 30% less humidity John Shannon started everything off right nice clean 196-mph B flight beat old 19347-mph record held himself Dub Jett dust hardly cleared Hempel Uptons mula 40 hit 16181 mph break old 15879-mph record backed up 15 minutes later slightly rich 1585mph flight congratulating other Shannon put back-up flight 198 mph really shook air figured John would relax after flight right after lunch put third flight fantastic 20032 mph make him fourth member cov eted 200-mph club John using own DJ529 80% nitro fuel Rev-up 7-11 TWA-type suction tank Sunday Patrick Hempel broke 18230-mph Senior C speed record clean 18530mph flight backed up another 185-mph flight Patrick using very stock K&B40 mini-pipe 7-12 Rev-up bladder fuel system 82% nitro fuel Ross Lewis father Jim couple new comers speed circle set Jr B profile proto record 122 mph backed up 120 mph Sunday afternoon became battle speed record Layman Giertz put screaming 18011 mph flight new record backed up put everything up until about 3 pm Dub Jett turned 18086-mph beat new record Dub blew two back-up attempts slow 174-mph flight lean Layman Gierty preparing battle again kept having problems engine cooling off Dub finally backed-up flight very clean 180 mph claim sixth final record weekend Boy did have fun new rules 1978-1979 have voted results I Drop proto replace profile proto age classes 2 B proto D speed will mini-pipes 3 All Jr Sr classes will mini-pipe next article David Layman will lay line tell go 180 mph speed Gene Hem pel Tom Upton 301 N Yale Garland TX 75042 CL Carrier/Perry continued page 45 above 600 attempt slow model will also cause loss low-speed score scale bonus 10 points now will awarded profile class rules rather liberal Acceptable designs de fined just Class Class II judging less restrictive Three-view drawings must presented no maximum allowable deviation scale classes judge must able see clearly model close repre sentation original airplane no restrictions moveable surfaces long overall outlines wing tail surfaces preserved no re quirement scale-like dihedral land ing gear location rules no changes will make existing models engines obsolete possible change required few profile class models will addition some type cockpit appropriate national markings Any planning build new Profile Car rier model should least consider building model will qualify scale bonus points number kits easily adopted new bonus point rule G-S Products Bearcat Corsair Skyraider excellent kits designed beginning Profile Carrier event old Sterling Mustang good can didate since P-SI D models used Navy takeoff landing trials 1944 Most full-scale carrier airplanes tapered wings scratch-building tapered wing requires cutting out lot different size ribs however numerous kits can used basis tapered-wing profile scale model Goldberg Shoestring swept leading edge Cosmic Wind straight leading edge yield about 360 square inches wing area Sterling Ring master same size category airplanes mild trailing edge taper construction method used Top Flite Flight Streak appropriate Flight Streak uses rectangular wing frame tapered trailing edge flap Sterling Yak-9 smaller may hard find should make good Airabonita minor changes wing tail outlines quite few straight-wing biplanes around earlier days naval aviation Sig Fokker D-VII Spad kits would good place start biplane could built around Harry Higleys Mo-Bipe design As new scale-like profile models developed would like include photos column Send black white glossy prints favorite model will try have photos published ask participation patience limited num ber photos can print month Richard L Perry 5016 Angelita Ave Dayton OH 45424 CL Aerobatics/Paul continued page 43 National PA Champion Junior 1976 Senior1977 Some stunters contend necessary balance props model en gines since cylinder en gine inherently unbalanced Dick Mathis some time ago others have talked recommend rotating prop 180 degrees crankshaft seems vibrating too much pointed out 100 Model Aviation
Edition: Model Aviation - 1978/02
Page Numbers: 44, 99, 100
Speed EJGene Hem pel Tom Upton HEMPEL AND UPTON Besides being new authors col umn two fathers Gene Hempel Tom Upton two sons Patrick Hem pel age 16 Ashley Upton age 6 enjoy control-line speed competition Gene Tom some building engine work very little flying Pat rick does majority building painting pulls double duty flying Senior Open class airplanes Ashley valuable team helper acts go-for end flight nuts beware will joining ranks shortly have comments questions valuable photos $5 gets published can reached address end column several years general com plaint potential speed fliers has complete lack high quality production engines could compete homebuilt demons have dominated speed circles some bums guilty running homebuilts no since man ufacturers have come through high quality equipment available anyone terested flying speed have compiled list AMA classes competitive production engines currently available few slated production next contest season engines rear exhaust unless otherwise noted steel ABC steel ringed refer type piston cyl inders available /2A 0000-0504 cu Cox TD 049 front rotor side exhaust 0505- 1525 cu inRossi 15 front rotor rear rotor steel ABC Super tigre XIS rear rotor steel ABC Cox 15 front rotor steel some parts inter changeable Rossi B 1526-3004 cu inK&B 29 front rotor ABC can converted rear rotor production K&B parts Supertigre X29 rear rotor ABC OPS 29 front rear rotor ABC new stronger case steel rotor C Patrick Hempel 185-mph record Senior Class C shipK&B 40 engine mini-pipe Continued page 99 44 Model Aviation Records fall BRM meet Allentown September spite wind rain Note least three asymmetric airplanes photo Frank Garzon Other pictures taken Gene Hempel Houston October Perfect weather Houston encouraged setting five national records David Layman preparing launch Dub Jetts model its 18086 mph record flight Class smiles John Shannon after fantastic 20032 mph flight B made him fourth member exclusive over-200-mph club sitting back Monday night trying enjoy game ignore Cosell same time wheels can use couple small screwdrivers remove tire hub makes much easier sand scratching hub hand like use 3M 220 grit Tri-M-Ite Free-Cut Finishing Paper listed Sig catalog cant find locally yours AMA Scale model judges will close enough touch should sand tire again lightly 360 finer grit paper take out obvious scratch marks wont too can see tire photo sanded 220 Most commercial model wheels PB Aeroscale Robart Goldberg new Fox styles name few have molded tire high gloss finish under standable selling product since looks great package types model airplanes Texas Scale Championships held Abilene included CL FF RC scale events exciting success According Jerry Farr combined contests work very well fly UC FF RC scale same field something see Watch next years con test calender 78 going have two days worth Scale Grapevine AMA museum class scale whatever have calling since advent Sport Scale will referred 78-79 rule book Precision Scale action Scale Board Scale Board also adopted rules proposal cycle will allow unlisted flight options necessarily mechanical required before per formed CL Precision Scale Hmmm about P-5l doing Bob Hoover style one-wheel landing annual FAI meeting Paris will already have taken place time read may discuss including FF Scale next WC Proposed US annual FAI meeting Paris will already have taken place time read may discuss including FF Scale next WC Proposed US Mike Stott perennial Nats WC CL Scale ace former editor column taking breather lately keeping busy building large scale display boats Kayot Corp dont count Mike out hell likely come up full slate options turn up 78 Nats Mike Gretz Box 162 Montezuma IA 50171 CL Speed/Hempel/Upton continued page 44 5oIa GIothFilm HOT FUEL PROOF DOPEEXCLUSIVE LOW HEAT AWARD WINNINGCOVERING FOR HIGLOSS AND FLATFOAM & BAtSA FINISHES AVAILABLEFLYING MODELS IN OVER 36 COLORSflexible ble IN BRUSH AND SPRAYfuel pruaf Iightweigbt pflCflH Industries Inc 7060 HOLLYWOOD BLVD. LOS ANGELES CA 90028 rear rotor ABC Supertigre X40 rear rotor ABC OPS 40 front rear rotor ABC 05 Max 40 front rear rotor steel ringed side exhaust HP 40 front rear rotor steel ringed side exhaust D 30056500 cu inOPS 60 rear rotor ABC has new stronger front housing rod backplate assembly OS Max 65 rear rotor side exhaust steel ringed Rossi 65 rear rotor ABC available sometime Spring cannot find engines local hobby shop try following sources Cox Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Rossi Bills Miniature Engines 1325 Carol Dr Memphis TN 38116 Supertigre & 05 Max World Engines 8960 Rossash Ave Cincinnati OH 45236 HPMidwest Models 6926 West 59th St Chicago IL 60638 OPS K&B Shamrock Com petition Imports PO Box 26247 New Orleans LA 70186 K&B K&B Manufacturing 12152 5 Woodruff Ave Downey CA 90241 know just what some doubt ing Thomas types saying Sure sure production engines will never compete homebuilt monsters completely rebuilding Yes will examples suc cess some people have recently David Layman 5600 N Freeway Apt 102 Houston TX 77076 Dub Jett February 1978 99 TRY THESE OTHER CONTEST QUALITY PRODUCTS PROM PACTRA 3005-4000 cu Formula 40 2800-4000 cu inK&B 40 front CATALOG 25c DAVIS 22 D-IKPLAN 1 CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107, KITS S 0 ACCESSORIES BABY ACEP-N UT KITS N BEARINGS BROWN CO-2 ENGINES RE AL JAPANESE TISSUE-PROPS I17 SPAN 4COMPLETE CATALOG 50q IKIT $425MANY HARD TO FIND ITEMS Pee*-haw BOX 2493LA MESA CALIF 92041 4720 Ashbrook Rd Dallas TX have turned 18011 18086 mph respectively stock ST X-15s except chromed liners new heads Dub will chrome fit liners about $18 David will other work Brent Bussell Dallas TX has turned 186 stock X-29 understand Nick Shear 815 Beech Rd Langhorne PA 19047 has done 188 Patrick Hempel holds Senior B record 19264 mph practically stock K&B 40 mini-pipe Charley Anaston Dallas TX has turned 161-mph Formula 40 time very stock X40 could back up record hold Formula 40 record aK&B4ORRat 16181 mph received some photos contest re sults Nick Sher about BRM speed meet held September 24 25 near Allentown PA Nick says weekend rainy windy 670 Saturday 540 Sunday record speeds achieved Quay Barber Cleveland Glen Vansant Quay turned 9371 mph new Jr o record backed up 911 mph using TD 049 equipped new Gb Bee plug own molded high aspect ratio prop Glen blasted Senior Formula 40 15268 mph unable back up Next year right winners class through third place except B proto no entries Nich Sher also attended Dayton OH meet October 9 set new speed record 12157 mph using piped Cox 049 Al Stegans Cleve land OH turned 11837 mph open-faced no pipe prove can done pipe Frank Garzan put respectable 195 mph D speed using OPS 65 mini-pipe Beware because combination meets 78 79 rules October 15 16 saw Texas bunch get together Houston yearly end season contest five new national records established weather perfect 70 800 tem peratures 30% less humidity John Shannon started everything off right nice clean 196-mph B flight beat old 19347-mph record held himself Dub Jett dust hardly cleared Hempel Uptons mula 40 hit 16181 mph break old 15879-mph record backed up 15 minutes later slightly rich 1585mph flight congratulating other Shannon put back-up flight 198 mph really shook air figured John would relax after flight right after lunch put third flight fantastic 20032 mph make him fourth member cov eted 200-mph club John using own DJ529 80% nitro fuel Rev-up 7-11 TWA-type suction tank Sunday Patrick Hempel broke 18230-mph Senior C speed record clean 18530mph flight backed up another 185-mph flight Patrick using very stock K&B40 mini-pipe 7-12 Rev-up bladder fuel system 82% nitro fuel Ross Lewis father Jim couple new comers speed circle set Jr B profile proto record 122 mph backed up 120 mph Sunday afternoon became battle speed record Layman Giertz put screaming 18011 mph flight new record backed up put everything up until about 3 pm Dub Jett turned 18086-mph beat new record Dub blew two back-up attempts slow 174-mph flight lean Layman Gierty preparing battle again kept having problems engine cooling off Dub finally backed-up flight very clean 180 mph claim sixth final record weekend Boy did have fun new rules 1978-1979 have voted results I Drop proto replace profile proto age classes 2 B proto D speed will mini-pipes 3 All Jr Sr classes will mini-pipe next article David Layman will lay line tell go 180 mph speed Gene Hem pel Tom Upton 301 N Yale Garland TX 75042 CL Carrier/Perry continued page 45 above 600 attempt slow model will also cause loss low-speed score scale bonus 10 points now will awarded profile class rules rather liberal Acceptable designs de fined just Class Class II judging less restrictive Three-view drawings must presented no maximum allowable deviation scale classes judge must able see clearly model close repre sentation original airplane no restrictions moveable surfaces long overall outlines wing tail surfaces preserved no re quirement scale-like dihedral land ing gear location rules no changes will make existing models engines obsolete possible change required few profile class models will addition some type cockpit appropriate national markings Any planning build new Profile Car rier model should least consider building model will qualify scale bonus points number kits easily adopted new bonus point rule G-S Products Bearcat Corsair Skyraider excellent kits designed beginning Profile Carrier event old Sterling Mustang good can didate since P-SI D models used Navy takeoff landing trials 1944 Most full-scale carrier airplanes tapered wings scratch-building tapered wing requires cutting out lot different size ribs however numerous kits can used basis tapered-wing profile scale model Goldberg Shoestring swept leading edge Cosmic Wind straight leading edge yield about 360 square inches wing area Sterling Ring master same size category airplanes mild trailing edge taper construction method used Top Flite Flight Streak appropriate Flight Streak uses rectangular wing frame tapered trailing edge flap Sterling Yak-9 smaller may hard find should make good Airabonita minor changes wing tail outlines quite few straight-wing biplanes around earlier days naval aviation Sig Fokker D-VII Spad kits would good place start biplane could built around Harry Higleys Mo-Bipe design As new scale-like profile models developed would like include photos column Send black white glossy prints favorite model will try have photos published ask participation patience limited num ber photos can print month Richard L Perry 5016 Angelita Ave Dayton OH 45424 CL Aerobatics/Paul continued page 43 National PA Champion Junior 1976 Senior1977 Some stunters contend necessary balance props model en gines since cylinder en gine inherently unbalanced Dick Mathis some time ago others have talked recommend rotating prop 180 degrees crankshaft seems vibrating too much pointed out 100 Model Aviation