Control Line Scale Bill Boss BIT nostalgia h December86 column spoke about positioning bellcrank lead-outs respect planes center gravity CG made statement said could theoretically away bellcrank could find way route lead-outs through wing fuselage connect directly elevator manner would withstand pull test stresses flight Well didnt take long get response Doug Dalke Oshkosh WI sent note detailing system does fact allow elevator control use bellcrankor least bellcrank commonly think Doug takes us back year 1944 Eagle Model Aircraft Co put out model called Dreamer twin-boom model center pod similar P-38 configuration contained spark coil battery O&R 60 side port powered model features model its Flight Controller rocker arm mechanism mounted elevator flying lines routed through wing some curved tubing aft through rear engine pod elevator rocker arm accompanying sketch shows details system taken copy portion plans provided Doug item partic ularly Scale nature familiar WW earlier planes will recognize rocker arm mechanism elevator rudder control cables attached control flying surfaces Should choose build Precision Scale model vintage planes would expected dupli cate elevator rudder cable rockerarm-type control system receive maximum Fidelity Scale points tail assembly other uses rocker arm Continued page 180 great-looking P-47 L lathe work Jake Chichilitti San Mateo CA What size Youll never guess converted Comet Models rubber-power kit spans 24 usesCox Medallion 09 w/throttie control Weight mere 22oz Jake going donate photo fee AMA Mortgage-Depletion Program Curtiss JN-4 Jenny R Pete Blanchini Yonkers NY fine example modelers attention detail Enya 60-powered craft has full set working turnbuckies pulleys cabling wing support operation tail surfaces Elevator control via rocker arm operation discussed text May1987 73 Eagle lel Aircraft Co put out Druumur arouna 1 u us naa elevator control running flying wires through curved tubes right back rocker arm set elevator accompanying sketches belicranks takeoff rocker arm principle capabilities potential uses reviewed column Ryan PT-22 Sport Scale model Augie Buffalano Ciifton NJ 40-powered has throttle flaps operating features 0 1JJDE 0 o Hedge Hoppin Vol 3 Special Feature WarbirdO Action Tos Model Q Action Interviews Scale 0 JETS British Concorde SST 0 0 aS 0 1 Basic Construction Beginner 107 Mis 4995 2 Basic Flight Training Beginners 65 Mm k 3WorldofModelAviaon 9OMn4495w 4Oshkosh Overvre 55 Mn39 95 5AirplaneFunnies 30Mn W d39950 ScaleMasters 60 Mis4195w 7Warbirds Action 75 Mm Fantastic499S 8 Hedge Hoppin Vol 45 Mn41 9S 09 Which WayisUp 7OMn Ae oba D t0HedgeHoppinVol2 40Mn41950 llHedgeHoppinVol3 30 Mis3495Q e Hoppin Series Feature Variety Avaiaton Topics Full Scale & Model QSPEcILS 0 WW II AAF INTELLIGENCE SUM-O ARY ON JAPANESE AIR COMBAT C ACTICS WIREG PURCHASE OF EDGE HOPPIN VOL 2 OR WAR QBIRDS IN ACTION 0 PA~WU Purchase Basic Con structlon program atw egular pike arid eceive Q VIDEO AT 56% OFF 0 Basic PlIght Train rig 30% off eta SaveW L 0 BUY OR RENT Woe ~ TAPES GET 3RD Q Ozdering Information MI Rentals $1495 Rectal Depoalt Retail Price Tape Rental DuratIon 7 Days After Delivery Date PhoneS CODs Available Payment Check 110 daysl MO. Vlsa/MC Card & ExpPhone. ShippIng 375 Foreign Canada Add 10% TotalD Others 15% II Res Add 7% Tax Academy Aviation R& D PO Box 277 Q Hazel Creat IL 60429 335-0776 0 ~jGFA Z 000000CD@000004Q 180 Model Aviation gave good Nobler top dozen fliers country within week could fly competitively Nats Thats old-fash ioned thats just fashioned right hardest maneuver Surprise Its Hourglass Overhead Eight probably consistently poorly-flown maneuver pattern Lack reference points makes some best look foolish handful fliers seem make look easy. Scariest maneuver Heres Hourglass last corner especially wind really separates men ys. some boys breakfasts Bring lots guts good airplane Finest gentleman Almost exception could put name Stunt flier Ive met couple however typify what being member human fraternity good Stunt flier aboutas well exemplifying term Southern Gentlemen Remel Cooper Dave Hemstrought two class acts just might also blow doors off competition ways disarming Guess kinda lucky today smile faces Most consistently exceptional flier has got Bob Gieseke record nearly untouch able Five Walker Cups World Champion ship over three decades speak themselves exception Bobs near-preeminence Billy Werwage Three Walker Cups two World Championships over four decades equally-impressive record award Mr Stunt two would have armwrestle title Are two Teds best ever Well no entirely subjective title would have go Mr Shirt Stars himself Les McDonald though record certainly impressive three World Championships Walker Cup may ever-so-slightly less substantial Billy Bob subjective elements unique Control Line Stunt mind put Las class himself Les whole package put together magnificent Stilettoesclearly identifiable Las shipsare incredible beauties fact won Las Concours dElegance award Nats finely-honed relationship Stan Powell used good advantage provide spectacular Stunt engines also impression team effort impression projected always gentleman engaged activity desired excel would never compromise integrity sense humor could ever forget shouted waming judges 1979 Walker flyoff entered Four-Laaf Clover howling wind shoulda No whining bitching Las Only consistent performance parts right places knew play game much flying pattern name game Its mans opinion got note Big Art Adamisin indicating has finally satisfied himself new OS 4OFP modified himself viable Stunt power plant now making available sale Art guru lappedpiston OS engines earlier modified 35s considered collectors items today. pt still flying Stunters after hundreds flights Arts modifications extensive cheap asking $130 per copy including impressive example Big Arts custom mufflers Call him 313 291-5079 details Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continued page 73 pnnciple within Scale models said rocker arm principle because what have mind really same operation similar am referring operation what would normally call intermediate bellcrank accompanying sketch also shows series bellcranks D effort illustrate various operations can obtained very simple device bellcranks shown have thing common change direction motion output rod pushing pulling either pushrods direction motion cases represented pairing arrows above below pushrods Also bellcranks shown what appears vertical position can mounted vertically horizontally angle achieve desired operation Bellcrank B probably commonly used change pushrod direc tion required englne compartment opening closing englne throttle throw motor control arm Roberts GS-type bellcrank doesnt match movement engine throttle control arm bellcrank configuration can used operate bomb external fuel tank release mechanism bomb fuel tank mounted under center fuselage directly under main bellcrank case vertical mounting intermediate bellcrank four five inches rear main control unit will allow top pushrod coupled motor control arm main bellcrank lower pushrod can connected bomb tank release mechanism would under main bellcrank platform length height intermediate bellcrank case determined what operation perform model will placed Both B shown have pushrod connect points equal distance center unit therefore amount travel both pushrods will equal Bellcrank C basically same B regarding operation However shown series holes side units center point permit selection different amounts pushrod travel configuration can also used additional force required perform particular operation Operations such lower ing flaps opening cooler doors could require additional force perform operation because airflow onor againstthem during flight insufficient actuating force used airflow against particular surface could prevent its full operation put undue stress models control system have no maglcal formula provide determining what flight stresses might particular control surface design size appropriate bellcrank fit situation matter some experimenta tion anyone out can provide some specific information formulas etc would glad hear him Making bellcranks should pose problems could made easily MONOCOUPE 90A QUARTER SCALE QUADRA-4 CYCLE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 206 941-8248 DAVE rke et ROBELEN S 42 span 15- 25 engines Outstanding small field performance novice 8 expert alike om airfoils top perfotmance quality balsa plywood gned 3 channels Precision machine-cat balsa plywood Playmate 3 ch 50 sportfun fly 1 5-25 2 4 cycle fast assembly hand-cut Itit$4995 Pronto 50 span 1 5-25 2 4 cycle 3 ch. hand-cut kit easily converted tp elec excellent beginner also challenges expert $3995 Available dealer order dIrect Add 52 shipping additional $2 COD ASave COD send check money order TIDEWATER HOBBY ENTERPRISES 26 Sapphire Run Deala FL 32672 5 687-2160 904-245-4653 sheet aluminum about tAsin thick us probably have shop scrap box youre up making own quick look through almost hobby catalog will reveal bellcranks usually made nylon will fit mosi needs Youll find belicranks can used operations shown sketch B C well 600900 1200 versions ofBellcrank D generally used change angle pushrod travel little imagination ingenuity can make find bellcranks almost operation Club reports Jack Stolly Dallas TX informs us Dallas Model Aircraft Association CL club has made great membership come back during past five years now has over 40 members several Scale model ers Once again can report success obtaining good CL flying site city Dallas has provided club site contains two paved two grass circles addition site close proximity toilets phones water concessions particular interest Scale readers fact clubs scale activities ther increase CL Sport Scale event will included 1987 contests first contest will held Saturday Sunday June 20-21 second Southwesterns September 19-20 Both contests will Samuel Garland Park Northwest Highway Garlands Road Dallas TX informa tion contact Jack Stolly 11323 Cotillion Dallas TX 75228 Another major CL contest also being held September 19-20 1987 Raider Roundup 87The Washington State CL Championships Boeing Space Center Kent WA wll include Sport Profile Scale events full qontest details write Dave Mullens Skywriter Editor 15559 Palatine Ave N Seattle WA 98133 Scale Model Research has once agaln expanded its inventory Full Color Documentation Foto Paaks Koku-Fan three-views over 600 new additions now have available over 1400 Foto-Paaks 50000 photos inven tory 3 x 5 full-color photos show details landing gear instrumentation hinges flaps paint schemes markings Most Foto-Psaks have three-views available enable Scale modeler have complete documentation project single package new SMR listing Foto-Paaks threeview drawings send self-addressed envelope Scale Model Research 2334 Ticonderoga Costa Mesa CA 92626 Please send correspondenceand espe cially photosrelating CL Scale BillBoss 77-06 269th St New Hyde Park NY 11040 CL Speed/Hempel Continued page 74 zene generally increased laps required didnt want use benzene hard get generally considered carcinogenic wanted avoid nitro prop possible because cost availability remembered back Sixties benzene fuel choice engine/airplane combination would run straight benezene buming valves run 50/50 benzene white gas give up couple mph company working Say0 th8t tksiw14G Over 600 Items Send *200 current catalog benzene MEK methy ethyl ketone day noticed physical properties similar Idea Jet fuel tried it worked So try MEK sport fuel MEK available paint stores now lot things try gasoline kerosene Coleman fuel methanol MEK nitro methane propylene oxide maybe others Charlie came Houston twice loaded up right sidewinder airplanes test stand accessories dusted off old upright grabbed bunch accessories went Melrose Park day testing Wed mix batch fuel check out test stand find both right metering jet range metering jets suction feed pressurized feed found good fuel mix wed put test flight model suction tank model having pressurized tank cases engine stock Dyna-Jet head stock retainer tailpipe fuel tank pressurizing fitting silver-soldered place plugged piece fuel line use flow-jector used either stock gaso line -type fuels drilled out 0055 other fuels cant tell fuel mixes tried first session bunch two three worthy air test first session produced some bad news May1987 181 VINTAGE -C PLAN3 CONSOLIDATED ~PBY-5ACATALINA 9 FT WING SPAN AIL RIBS B PULL PORMERS SHOWN ON PLANS1 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 6FT WING SPAN MODEL PBY-5A ENGINE COWLS $750 PR Plans $1495 GUN BLISTERS $ 550 PR ADD $300 POSTAGE CATALOGOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMOND BELLEVILLE MICH 48111 USA
Edition: Model Aviation - 1987/05
Page Numbers: 73, 180, 181
Edition: Model Aviation - 1987/05
Page Numbers: 73, 180, 181
Control Line Scale Bill Boss BIT nostalgia h December86 column spoke about positioning bellcrank lead-outs respect planes center gravity CG made statement said could theoretically away bellcrank could find way route lead-outs through wing fuselage connect directly elevator manner would withstand pull test stresses flight Well didnt take long get response Doug Dalke Oshkosh WI sent note detailing system does fact allow elevator control use bellcrankor least bellcrank commonly think Doug takes us back year 1944 Eagle Model Aircraft Co put out model called Dreamer twin-boom model center pod similar P-38 configuration contained spark coil battery O&R 60 side port powered model features model its Flight Controller rocker arm mechanism mounted elevator flying lines routed through wing some curved tubing aft through rear engine pod elevator rocker arm accompanying sketch shows details system taken copy portion plans provided Doug item partic ularly Scale nature familiar WW earlier planes will recognize rocker arm mechanism elevator rudder control cables attached control flying surfaces Should choose build Precision Scale model vintage planes would expected dupli cate elevator rudder cable rockerarm-type control system receive maximum Fidelity Scale points tail assembly other uses rocker arm Continued page 180 great-looking P-47 L lathe work Jake Chichilitti San Mateo CA What size Youll never guess converted Comet Models rubber-power kit spans 24 usesCox Medallion 09 w/throttie control Weight mere 22oz Jake going donate photo fee AMA Mortgage-Depletion Program Curtiss JN-4 Jenny R Pete Blanchini Yonkers NY fine example modelers attention detail Enya 60-powered craft has full set working turnbuckies pulleys cabling wing support operation tail surfaces Elevator control via rocker arm operation discussed text May1987 73 Eagle lel Aircraft Co put out Druumur arouna 1 u us naa elevator control running flying wires through curved tubes right back rocker arm set elevator accompanying sketches belicranks takeoff rocker arm principle capabilities potential uses reviewed column Ryan PT-22 Sport Scale model Augie Buffalano Ciifton NJ 40-powered has throttle flaps operating features 0 1JJDE 0 o Hedge Hoppin Vol 3 Special Feature WarbirdO Action Tos Model Q Action Interviews Scale 0 JETS British Concorde SST 0 0 aS 0 1 Basic Construction Beginner 107 Mis 4995 2 Basic Flight Training Beginners 65 Mm k 3WorldofModelAviaon 9OMn4495w 4Oshkosh Overvre 55 Mn39 95 5AirplaneFunnies 30Mn W d39950 ScaleMasters 60 Mis4195w 7Warbirds Action 75 Mm Fantastic499S 8 Hedge Hoppin Vol 45 Mn41 9S 09 Which WayisUp 7OMn Ae oba D t0HedgeHoppinVol2 40Mn41950 llHedgeHoppinVol3 30 Mis3495Q e Hoppin Series Feature Variety Avaiaton Topics Full Scale & Model QSPEcILS 0 WW II AAF INTELLIGENCE SUM-O ARY ON JAPANESE AIR COMBAT C ACTICS WIREG PURCHASE OF EDGE HOPPIN VOL 2 OR WAR QBIRDS IN ACTION 0 PA~WU Purchase Basic Con structlon program atw egular pike arid eceive Q VIDEO AT 56% OFF 0 Basic PlIght Train rig 30% off eta SaveW L 0 BUY OR RENT Woe ~ TAPES GET 3RD Q Ozdering Information MI Rentals $1495 Rectal Depoalt Retail Price Tape Rental DuratIon 7 Days After Delivery Date PhoneS CODs Available Payment Check 110 daysl MO. Vlsa/MC Card & ExpPhone. ShippIng 375 Foreign Canada Add 10% TotalD Others 15% II Res Add 7% Tax Academy Aviation R& D PO Box 277 Q Hazel Creat IL 60429 335-0776 0 ~jGFA Z 000000CD@000004Q 180 Model Aviation gave good Nobler top dozen fliers country within week could fly competitively Nats Thats old-fash ioned thats just fashioned right hardest maneuver Surprise Its Hourglass Overhead Eight probably consistently poorly-flown maneuver pattern Lack reference points makes some best look foolish handful fliers seem make look easy. Scariest maneuver Heres Hourglass last corner especially wind really separates men ys. some boys breakfasts Bring lots guts good airplane Finest gentleman Almost exception could put name Stunt flier Ive met couple however typify what being member human fraternity good Stunt flier aboutas well exemplifying term Southern Gentlemen Remel Cooper Dave Hemstrought two class acts just might also blow doors off competition ways disarming Guess kinda lucky today smile faces Most consistently exceptional flier has got Bob Gieseke record nearly untouch able Five Walker Cups World Champion ship over three decades speak themselves exception Bobs near-preeminence Billy Werwage Three Walker Cups two World Championships over four decades equally-impressive record award Mr Stunt two would have armwrestle title Are two Teds best ever Well no entirely subjective title would have go Mr Shirt Stars himself Les McDonald though record certainly impressive three World Championships Walker Cup may ever-so-slightly less substantial Billy Bob subjective elements unique Control Line Stunt mind put Las class himself Les whole package put together magnificent Stilettoesclearly identifiable Las shipsare incredible beauties fact won Las Concours dElegance award Nats finely-honed relationship Stan Powell used good advantage provide spectacular Stunt engines also impression team effort impression projected always gentleman engaged activity desired excel would never compromise integrity sense humor could ever forget shouted waming judges 1979 Walker flyoff entered Four-Laaf Clover howling wind shoulda No whining bitching Las Only consistent performance parts right places knew play game much flying pattern name game Its mans opinion got note Big Art Adamisin indicating has finally satisfied himself new OS 4OFP modified himself viable Stunt power plant now making available sale Art guru lappedpiston OS engines earlier modified 35s considered collectors items today. pt still flying Stunters after hundreds flights Arts modifications extensive cheap asking $130 per copy including impressive example Big Arts custom mufflers Call him 313 291-5079 details Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continued page 73 pnnciple within Scale models said rocker arm principle because what have mind really same operation similar am referring operation what would normally call intermediate bellcrank accompanying sketch also shows series bellcranks D effort illustrate various operations can obtained very simple device bellcranks shown have thing common change direction motion output rod pushing pulling either pushrods direction motion cases represented pairing arrows above below pushrods Also bellcranks shown what appears vertical position can mounted vertically horizontally angle achieve desired operation Bellcrank B probably commonly used change pushrod direc tion required englne compartment opening closing englne throttle throw motor control arm Roberts GS-type bellcrank doesnt match movement engine throttle control arm bellcrank configuration can used operate bomb external fuel tank release mechanism bomb fuel tank mounted under center fuselage directly under main bellcrank case vertical mounting intermediate bellcrank four five inches rear main control unit will allow top pushrod coupled motor control arm main bellcrank lower pushrod can connected bomb tank release mechanism would under main bellcrank platform length height intermediate bellcrank case determined what operation perform model will placed Both B shown have pushrod connect points equal distance center unit therefore amount travel both pushrods will equal Bellcrank C basically same B regarding operation However shown series holes side units center point permit selection different amounts pushrod travel configuration can also used additional force required perform particular operation Operations such lower ing flaps opening cooler doors could require additional force perform operation because airflow onor againstthem during flight insufficient actuating force used airflow against particular surface could prevent its full operation put undue stress models control system have no maglcal formula provide determining what flight stresses might particular control surface design size appropriate bellcrank fit situation matter some experimenta tion anyone out can provide some specific information formulas etc would glad hear him Making bellcranks should pose problems could made easily MONOCOUPE 90A QUARTER SCALE QUADRA-4 CYCLE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 206 941-8248 DAVE rke et ROBELEN S 42 span 15- 25 engines Outstanding small field performance novice 8 expert alike om airfoils top perfotmance quality balsa plywood gned 3 channels Precision machine-cat balsa plywood Playmate 3 ch 50 sportfun fly 1 5-25 2 4 cycle fast assembly hand-cut Itit$4995 Pronto 50 span 1 5-25 2 4 cycle 3 ch. hand-cut kit easily converted tp elec excellent beginner also challenges expert $3995 Available dealer order dIrect Add 52 shipping additional $2 COD ASave COD send check money order TIDEWATER HOBBY ENTERPRISES 26 Sapphire Run Deala FL 32672 5 687-2160 904-245-4653 sheet aluminum about tAsin thick us probably have shop scrap box youre up making own quick look through almost hobby catalog will reveal bellcranks usually made nylon will fit mosi needs Youll find belicranks can used operations shown sketch B C well 600900 1200 versions ofBellcrank D generally used change angle pushrod travel little imagination ingenuity can make find bellcranks almost operation Club reports Jack Stolly Dallas TX informs us Dallas Model Aircraft Association CL club has made great membership come back during past five years now has over 40 members several Scale model ers Once again can report success obtaining good CL flying site city Dallas has provided club site contains two paved two grass circles addition site close proximity toilets phones water concessions particular interest Scale readers fact clubs scale activities ther increase CL Sport Scale event will included 1987 contests first contest will held Saturday Sunday June 20-21 second Southwesterns September 19-20 Both contests will Samuel Garland Park Northwest Highway Garlands Road Dallas TX informa tion contact Jack Stolly 11323 Cotillion Dallas TX 75228 Another major CL contest also being held September 19-20 1987 Raider Roundup 87The Washington State CL Championships Boeing Space Center Kent WA wll include Sport Profile Scale events full qontest details write Dave Mullens Skywriter Editor 15559 Palatine Ave N Seattle WA 98133 Scale Model Research has once agaln expanded its inventory Full Color Documentation Foto Paaks Koku-Fan three-views over 600 new additions now have available over 1400 Foto-Paaks 50000 photos inven tory 3 x 5 full-color photos show details landing gear instrumentation hinges flaps paint schemes markings Most Foto-Psaks have three-views available enable Scale modeler have complete documentation project single package new SMR listing Foto-Paaks threeview drawings send self-addressed envelope Scale Model Research 2334 Ticonderoga Costa Mesa CA 92626 Please send correspondenceand espe cially photosrelating CL Scale BillBoss 77-06 269th St New Hyde Park NY 11040 CL Speed/Hempel Continued page 74 zene generally increased laps required didnt want use benzene hard get generally considered carcinogenic wanted avoid nitro prop possible because cost availability remembered back Sixties benzene fuel choice engine/airplane combination would run straight benezene buming valves run 50/50 benzene white gas give up couple mph company working Say0 th8t tksiw14G Over 600 Items Send *200 current catalog benzene MEK methy ethyl ketone day noticed physical properties similar Idea Jet fuel tried it worked So try MEK sport fuel MEK available paint stores now lot things try gasoline kerosene Coleman fuel methanol MEK nitro methane propylene oxide maybe others Charlie came Houston twice loaded up right sidewinder airplanes test stand accessories dusted off old upright grabbed bunch accessories went Melrose Park day testing Wed mix batch fuel check out test stand find both right metering jet range metering jets suction feed pressurized feed found good fuel mix wed put test flight model suction tank model having pressurized tank cases engine stock Dyna-Jet head stock retainer tailpipe fuel tank pressurizing fitting silver-soldered place plugged piece fuel line use flow-jector used either stock gaso line -type fuels drilled out 0055 other fuels cant tell fuel mixes tried first session bunch two three worthy air test first session produced some bad news May1987 181 VINTAGE -C PLAN3 CONSOLIDATED ~PBY-5ACATALINA 9 FT WING SPAN AIL RIBS B PULL PORMERS SHOWN ON PLANS1 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 6FT WING SPAN MODEL PBY-5A ENGINE COWLS $750 PR Plans $1495 GUN BLISTERS $ 550 PR ADD $300 POSTAGE CATALOGOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMOND BELLEVILLE MICH 48111 USA
Edition: Model Aviation - 1987/05
Page Numbers: 73, 180, 181
Control Line Scale Bill Boss BIT nostalgia h December86 column spoke about positioning bellcrank lead-outs respect planes center gravity CG made statement said could theoretically away bellcrank could find way route lead-outs through wing fuselage connect directly elevator manner would withstand pull test stresses flight Well didnt take long get response Doug Dalke Oshkosh WI sent note detailing system does fact allow elevator control use bellcrankor least bellcrank commonly think Doug takes us back year 1944 Eagle Model Aircraft Co put out model called Dreamer twin-boom model center pod similar P-38 configuration contained spark coil battery O&R 60 side port powered model features model its Flight Controller rocker arm mechanism mounted elevator flying lines routed through wing some curved tubing aft through rear engine pod elevator rocker arm accompanying sketch shows details system taken copy portion plans provided Doug item partic ularly Scale nature familiar WW earlier planes will recognize rocker arm mechanism elevator rudder control cables attached control flying surfaces Should choose build Precision Scale model vintage planes would expected dupli cate elevator rudder cable rockerarm-type control system receive maximum Fidelity Scale points tail assembly other uses rocker arm Continued page 180 great-looking P-47 L lathe work Jake Chichilitti San Mateo CA What size Youll never guess converted Comet Models rubber-power kit spans 24 usesCox Medallion 09 w/throttie control Weight mere 22oz Jake going donate photo fee AMA Mortgage-Depletion Program Curtiss JN-4 Jenny R Pete Blanchini Yonkers NY fine example modelers attention detail Enya 60-powered craft has full set working turnbuckies pulleys cabling wing support operation tail surfaces Elevator control via rocker arm operation discussed text May1987 73 Eagle lel Aircraft Co put out Druumur arouna 1 u us naa elevator control running flying wires through curved tubes right back rocker arm set elevator accompanying sketches belicranks takeoff rocker arm principle capabilities potential uses reviewed column Ryan PT-22 Sport Scale model Augie Buffalano Ciifton NJ 40-powered has throttle flaps operating features 0 1JJDE 0 o Hedge Hoppin Vol 3 Special Feature WarbirdO Action Tos Model Q Action Interviews Scale 0 JETS British Concorde SST 0 0 aS 0 1 Basic Construction Beginner 107 Mis 4995 2 Basic Flight Training Beginners 65 Mm k 3WorldofModelAviaon 9OMn4495w 4Oshkosh Overvre 55 Mn39 95 5AirplaneFunnies 30Mn W d39950 ScaleMasters 60 Mis4195w 7Warbirds Action 75 Mm Fantastic499S 8 Hedge Hoppin Vol 45 Mn41 9S 09 Which WayisUp 7OMn Ae oba D t0HedgeHoppinVol2 40Mn41950 llHedgeHoppinVol3 30 Mis3495Q e Hoppin Series Feature Variety Avaiaton Topics Full Scale & Model QSPEcILS 0 WW II AAF INTELLIGENCE SUM-O ARY ON JAPANESE AIR COMBAT C ACTICS WIREG PURCHASE OF EDGE HOPPIN VOL 2 OR WAR QBIRDS IN ACTION 0 PA~WU Purchase Basic Con structlon program atw egular pike arid eceive Q VIDEO AT 56% OFF 0 Basic PlIght Train rig 30% off eta SaveW L 0 BUY OR RENT Woe ~ TAPES GET 3RD Q Ozdering Information MI Rentals $1495 Rectal Depoalt Retail Price Tape Rental DuratIon 7 Days After Delivery Date PhoneS CODs Available Payment Check 110 daysl MO. Vlsa/MC Card & ExpPhone. ShippIng 375 Foreign Canada Add 10% TotalD Others 15% II Res Add 7% Tax Academy Aviation R& D PO Box 277 Q Hazel Creat IL 60429 335-0776 0 ~jGFA Z 000000CD@000004Q 180 Model Aviation gave good Nobler top dozen fliers country within week could fly competitively Nats Thats old-fash ioned thats just fashioned right hardest maneuver Surprise Its Hourglass Overhead Eight probably consistently poorly-flown maneuver pattern Lack reference points makes some best look foolish handful fliers seem make look easy. Scariest maneuver Heres Hourglass last corner especially wind really separates men ys. some boys breakfasts Bring lots guts good airplane Finest gentleman Almost exception could put name Stunt flier Ive met couple however typify what being member human fraternity good Stunt flier aboutas well exemplifying term Southern Gentlemen Remel Cooper Dave Hemstrought two class acts just might also blow doors off competition ways disarming Guess kinda lucky today smile faces Most consistently exceptional flier has got Bob Gieseke record nearly untouch able Five Walker Cups World Champion ship over three decades speak themselves exception Bobs near-preeminence Billy Werwage Three Walker Cups two World Championships over four decades equally-impressive record award Mr Stunt two would have armwrestle title Are two Teds best ever Well no entirely subjective title would have go Mr Shirt Stars himself Les McDonald though record certainly impressive three World Championships Walker Cup may ever-so-slightly less substantial Billy Bob subjective elements unique Control Line Stunt mind put Las class himself Les whole package put together magnificent Stilettoesclearly identifiable Las shipsare incredible beauties fact won Las Concours dElegance award Nats finely-honed relationship Stan Powell used good advantage provide spectacular Stunt engines also impression team effort impression projected always gentleman engaged activity desired excel would never compromise integrity sense humor could ever forget shouted waming judges 1979 Walker flyoff entered Four-Laaf Clover howling wind shoulda No whining bitching Las Only consistent performance parts right places knew play game much flying pattern name game Its mans opinion got note Big Art Adamisin indicating has finally satisfied himself new OS 4OFP modified himself viable Stunt power plant now making available sale Art guru lappedpiston OS engines earlier modified 35s considered collectors items today. pt still flying Stunters after hundreds flights Arts modifications extensive cheap asking $130 per copy including impressive example Big Arts custom mufflers Call him 313 291-5079 details Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continued page 73 pnnciple within Scale models said rocker arm principle because what have mind really same operation similar am referring operation what would normally call intermediate bellcrank accompanying sketch also shows series bellcranks D effort illustrate various operations can obtained very simple device bellcranks shown have thing common change direction motion output rod pushing pulling either pushrods direction motion cases represented pairing arrows above below pushrods Also bellcranks shown what appears vertical position can mounted vertically horizontally angle achieve desired operation Bellcrank B probably commonly used change pushrod direc tion required englne compartment opening closing englne throttle throw motor control arm Roberts GS-type bellcrank doesnt match movement engine throttle control arm bellcrank configuration can used operate bomb external fuel tank release mechanism bomb fuel tank mounted under center fuselage directly under main bellcrank case vertical mounting intermediate bellcrank four five inches rear main control unit will allow top pushrod coupled motor control arm main bellcrank lower pushrod can connected bomb tank release mechanism would under main bellcrank platform length height intermediate bellcrank case determined what operation perform model will placed Both B shown have pushrod connect points equal distance center unit therefore amount travel both pushrods will equal Bellcrank C basically same B regarding operation However shown series holes side units center point permit selection different amounts pushrod travel configuration can also used additional force required perform particular operation Operations such lower ing flaps opening cooler doors could require additional force perform operation because airflow onor againstthem during flight insufficient actuating force used airflow against particular surface could prevent its full operation put undue stress models control system have no maglcal formula provide determining what flight stresses might particular control surface design size appropriate bellcrank fit situation matter some experimenta tion anyone out can provide some specific information formulas etc would glad hear him Making bellcranks should pose problems could made easily MONOCOUPE 90A QUARTER SCALE QUADRA-4 CYCLE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 206 941-8248 DAVE rke et ROBELEN S 42 span 15- 25 engines Outstanding small field performance novice 8 expert alike om airfoils top perfotmance quality balsa plywood gned 3 channels Precision machine-cat balsa plywood Playmate 3 ch 50 sportfun fly 1 5-25 2 4 cycle fast assembly hand-cut Itit$4995 Pronto 50 span 1 5-25 2 4 cycle 3 ch. hand-cut kit easily converted tp elec excellent beginner also challenges expert $3995 Available dealer order dIrect Add 52 shipping additional $2 COD ASave COD send check money order TIDEWATER HOBBY ENTERPRISES 26 Sapphire Run Deala FL 32672 5 687-2160 904-245-4653 sheet aluminum about tAsin thick us probably have shop scrap box youre up making own quick look through almost hobby catalog will reveal bellcranks usually made nylon will fit mosi needs Youll find belicranks can used operations shown sketch B C well 600900 1200 versions ofBellcrank D generally used change angle pushrod travel little imagination ingenuity can make find bellcranks almost operation Club reports Jack Stolly Dallas TX informs us Dallas Model Aircraft Association CL club has made great membership come back during past five years now has over 40 members several Scale model ers Once again can report success obtaining good CL flying site city Dallas has provided club site contains two paved two grass circles addition site close proximity toilets phones water concessions particular interest Scale readers fact clubs scale activities ther increase CL Sport Scale event will included 1987 contests first contest will held Saturday Sunday June 20-21 second Southwesterns September 19-20 Both contests will Samuel Garland Park Northwest Highway Garlands Road Dallas TX informa tion contact Jack Stolly 11323 Cotillion Dallas TX 75228 Another major CL contest also being held September 19-20 1987 Raider Roundup 87The Washington State CL Championships Boeing Space Center Kent WA wll include Sport Profile Scale events full qontest details write Dave Mullens Skywriter Editor 15559 Palatine Ave N Seattle WA 98133 Scale Model Research has once agaln expanded its inventory Full Color Documentation Foto Paaks Koku-Fan three-views over 600 new additions now have available over 1400 Foto-Paaks 50000 photos inven tory 3 x 5 full-color photos show details landing gear instrumentation hinges flaps paint schemes markings Most Foto-Psaks have three-views available enable Scale modeler have complete documentation project single package new SMR listing Foto-Paaks threeview drawings send self-addressed envelope Scale Model Research 2334 Ticonderoga Costa Mesa CA 92626 Please send correspondenceand espe cially photosrelating CL Scale BillBoss 77-06 269th St New Hyde Park NY 11040 CL Speed/Hempel Continued page 74 zene generally increased laps required didnt want use benzene hard get generally considered carcinogenic wanted avoid nitro prop possible because cost availability remembered back Sixties benzene fuel choice engine/airplane combination would run straight benezene buming valves run 50/50 benzene white gas give up couple mph company working Say0 th8t tksiw14G Over 600 Items Send *200 current catalog benzene MEK methy ethyl ketone day noticed physical properties similar Idea Jet fuel tried it worked So try MEK sport fuel MEK available paint stores now lot things try gasoline kerosene Coleman fuel methanol MEK nitro methane propylene oxide maybe others Charlie came Houston twice loaded up right sidewinder airplanes test stand accessories dusted off old upright grabbed bunch accessories went Melrose Park day testing Wed mix batch fuel check out test stand find both right metering jet range metering jets suction feed pressurized feed found good fuel mix wed put test flight model suction tank model having pressurized tank cases engine stock Dyna-Jet head stock retainer tailpipe fuel tank pressurizing fitting silver-soldered place plugged piece fuel line use flow-jector used either stock gaso line -type fuels drilled out 0055 other fuels cant tell fuel mixes tried first session bunch two three worthy air test first session produced some bad news May1987 181 VINTAGE -C PLAN3 CONSOLIDATED ~PBY-5ACATALINA 9 FT WING SPAN AIL RIBS B PULL PORMERS SHOWN ON PLANS1 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 6FT WING SPAN MODEL PBY-5A ENGINE COWLS $750 PR Plans $1495 GUN BLISTERS $ 550 PR ADD $300 POSTAGE CATALOGOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMOND BELLEVILLE MICH 48111 USA
