Control Line Aerobatics Wynn Paul JUST recently fortunate have visit Al Rabe spending some time parents nearby Versailles Kentucky Fresh second place 1978 World Champi onships Al usual brimming some new ideas next year principally field engines brought along couple boxes engines including ST 45 Rear Exhaust Max 45 three custom creations built around ST 46 case custom 46 built around Como 40 case During course three hour listening session managed take about four pages notes As may may know Al running couple extremely sophisti cated special-set-up engines last couple years instance ST 46 case ST 60 piston sleeve ring own fabricated crankshaft backplate crank stroked about 1/32 over ST 46 crank also included three tungsten metal insert plugs counter weight additional weight back plate set further crankcase pack crankcase As may have seen pictures engine also has ad ditional case cooling fins machined out aluminum stock welded onto case As have prob ably surmised now engine average bearthe crankshaft alone about $9000 have made Al really has gotten engines going far use 4ist pin clips engines making use roll pin secure prop doesnt get popped prop crucial times such finals Nationals What getting discus sion Al went great amount expense fantastic amount time come up engine would put out horsepower wants Notice said .. s Some us may argue 52-oz plane doesnt need 15 horsepower although its nice get Als case semi-scale planes have history high wing-loading feel detrimental performance Addition ally engines Al has using constant problem need rebuild ing often often mean sometime three times day Al would first say has lots trouble engines Next Al related purchased Max 45 Right out box really good engine said some reluctance since feels puts out power comparable complex Rabe 46-60 super dooper pooper dif ficult item about engine says Al terrific power break four- two-cycle power surge unknown stunters certainly never experienced Fox 35 Max 35 ST 46 Veco 45 Max 45 has high compression ratio very large crank shaft fuel passage helps Schnuerle ported thats three ports stead two engine get its power make positive use power surge Al recommends using lots prop stance Rev-Up 13-6 dont use paddle blade just large diameter ex perience us Rabe readers will remember Al has al ways advocated prop diameter rather blade area other hand Bob Hunt using lot blade area home made three-bladed 11-5 prop Max 40 Either way trying load down engine absorb some brute power available Al feels Max 45 will probably run well except Uni-flow muffler pressure feels fuel draw good ST 46 several other redeeming qualities Max 45 also feels changing tank heights make much greater differ ence ST 46 Max evidently doesnt have tolerance Continued page 103 March1979 45 Focke WuIf 190-0-9 David McClellan has molded balsa fuselage 57-in span weighs 53-az ST 46 Airfoil has 25% upper 22% lower shock gear finished Hobbypoxy paint Flying Sig Chipmunk Dan McClellan took second Junior 1978 Nats Max 35 power Interesting fuselage theme distinguishes Steve Mitchells Australia ST-48 powered Super Roo UItie. Tine Filter System No single filter can equal double filtration performance Sullivan Crap Trap Thats because use two separate filters finer other Larger particles trapped out way corners front filter smaller particles fall similar trap rear filter see-thru Teflon barrel enables know sure filters clean after back flush Never trust valuable model enclosed single filter again Between tank engine insist Crap Trap CT-i .it s $115 Actually less ordinary single filter Between fuel container tank insist Crap Trap CT-P .it s $125 Includes larger fittings need use can trust Matty Sullivan always little things mean much us modelers Have discovered super Sulli-cone fuel tubing yet something else fIdUu~fr PRODUCTS N C 535 OAVISVILLE ROAD OW GROVE PA 19090 215 659-3900 scale control line jets could contact mail Sam Abdow 682 Eastern Ave Fall River MA 02723 Drowning Sorrows Im sure exactly one Murphys Laws must during construction before finishing new scale model will receive numerous unpretty little dents dings bare balsa wood Pencils screwdrivers falling out shirt pockets slipping metal straight edges table corners etc seem have knack messing up pretty work can call hangar rash Ill call aggravation Luckily little trick can some times ease pain dent too huge thin trailing edge balsa actually displaced pushed little water will often re store wood its original shape Ap ply healthy portion water directly dentdont wet down entire area youll deserve warp will undoubtedly get few hours later after water has evaporated balsa has puffed back up shape use some very fine sandpaper finish off surface Dont expect major mi racles try next time find small dent Its amazing couple months ago said some thing about Nats WC magazine cov erage its relevance modelers werent recent letter Nats competitor Jeff Perez wrote something interesting about thoughts Im sure competition ori ented modelers can relate Jeffs ex periences Before started flying Nats would dwell over Nats coverage magazines hours still magic comes up pages inspiring motivation gave inspira tion want get out become another Stott Gretz Platt Remem ber Lake Charles told wanted whip Stott because hottest thing wheels back got started Well see Thats what Nats coverage does Nationals magic Everything about Nats magic always will believe now competitors inspired whether realize was too Jeff big boys few years ago names like Keith Burnstine Harney Violett Its exciting think guys out right now planning knock us offin friendly way hope Thats what makes competition funwin lose Mike Grerz Box 162 Montezuma IA S0171 IWhen writing advertisers mention read about Model Aviation CL Aerobatics/Paul continued page 45 changing fuel head ST 46 has says Al new airplanes especially ones built Maxs Al making use adjustable height engine blocks approximately / aluminum will allow him infinitely adjust engine height tank seems critical Maxs Getting back crankshaft Max 45 Al pointed out following engines have crankshaft bear ing journal 15 mm Como 40 ST 45 Max 40 Max 45 HP 40 ST 46 has 12 mm journal So what Well what driving large crankshaft diameters allow greater crankshaft fuel passage allows fuel go combustion chamber supposed mean power Bill Werwage also agreed same point talked him back November about new Max engines So what does mean Joe Bellcrank means want try raw power can try Max 45 try 13-6 prop 5- 10-percent fuel wont have mortgage home machine shop can prob ably learn live speeding up plane round maneuvers learn enjoy pull power during March1979103 Does So Much More. Yet Actually Costs Less square eight vertical eight overheads Despite talk about Max 45 Al wants work ST 45 Rear Exhaust engine feels could also very good engine Al started yet getting ready start testing Al also talked about fuel tank con figuration stated last few planes F-S ls 76 77 and78 plus unfinished P-47 has using tank plan top view resembles parallelogram front rear sides tank perpendicular fuselage sides long sides tank running inboard outboard much builds tanks full length wedge similar old style Veco tank long wedge should have very little unused fuel left end flight use rectangular tank such Hancock tank will have fuel left over Al very concerned about use 015 lines very powerful HP-40s Max 40s Since engines produce much power ST 46 Al feels sacrificing some safety using 015 lines despite fact FAT rules allow use 015 lines ST 46 Al anticipates may see flyaways wrecked planes use 015 lines persists powerful 40 size engines few words World Champ Bob Hunt No am building wings Yes am still using Max 40 three-bladed Hunt special prop chance may market prop will very expensive about $3500 will have try about four five before can get right engine plane weight fuel etc combination doesnt mean have buy four five just try couple until find suits three-bladed props take hours make small production layout therefore quite expensive have some specially made up mufflers Max 40 Max 45 $750 resemble Slim Line muffler like used World Championships still have entire line handles landing gear blocks adjustable leadouts adjust able noseweights flap horns control horns pre-bent landing gear etc Write CSC catalog Word just reached Arlie Preszler 1979 Nationals will Lincoln Nebraska Date July 29 August 5 stunt fliers means get ready Oshkosh types winds certain bring along back-up ship Either Arlie Lanny Shorts will prob ably Event Director Na tionals Stunt judges needed con tact PAMPA president Keith Trostle ability good plain-bearing 35s ballbearing 35s 40s available throt tles decide should direct efforts Profile Carrier Three-Line Control Systems univer sally accepted standard Navy Car rier event three-line control system two commercial units available G-S Products Sturdi-Built Both work same principle three lines carry balanced load throttle control achieved moving third line relation elevation lines means throttle control lever top control handle Either brand handle will work either control unit G-S Products system offers greater smoothness range operation stronger Both systems market bellcranks up right inverted configurations re ferring whether bellcrank normally mounted above below bellcrank platform usual method operation 104 Model Aviation 10900 Phillips Drive Upper Marlboro Md 20870 information PA MPA Stunt Wynn Paul 1640 Maywick Drive Lex ington KY 40504 CL Navy Carrier/Perry continued page 46
Edition: Model Aviation - 1979/03
Page Numbers: 45, 103, 104
Control Line Aerobatics Wynn Paul JUST recently fortunate have visit Al Rabe spending some time parents nearby Versailles Kentucky Fresh second place 1978 World Champi onships Al usual brimming some new ideas next year principally field engines brought along couple boxes engines including ST 45 Rear Exhaust Max 45 three custom creations built around ST 46 case custom 46 built around Como 40 case During course three hour listening session managed take about four pages notes As may may know Al running couple extremely sophisti cated special-set-up engines last couple years instance ST 46 case ST 60 piston sleeve ring own fabricated crankshaft backplate crank stroked about 1/32 over ST 46 crank also included three tungsten metal insert plugs counter weight additional weight back plate set further crankcase pack crankcase As may have seen pictures engine also has ad ditional case cooling fins machined out aluminum stock welded onto case As have prob ably surmised now engine average bearthe crankshaft alone about $9000 have made Al really has gotten engines going far use 4ist pin clips engines making use roll pin secure prop doesnt get popped prop crucial times such finals Nationals What getting discus sion Al went great amount expense fantastic amount time come up engine would put out horsepower wants Notice said .. s Some us may argue 52-oz plane doesnt need 15 horsepower although its nice get Als case semi-scale planes have history high wing-loading feel detrimental performance Addition ally engines Al has using constant problem need rebuild ing often often mean sometime three times day Al would first say has lots trouble engines Next Al related purchased Max 45 Right out box really good engine said some reluctance since feels puts out power comparable complex Rabe 46-60 super dooper pooper dif ficult item about engine says Al terrific power break four- two-cycle power surge unknown stunters certainly never experienced Fox 35 Max 35 ST 46 Veco 45 Max 45 has high compression ratio very large crank shaft fuel passage helps Schnuerle ported thats three ports stead two engine get its power make positive use power surge Al recommends using lots prop stance Rev-Up 13-6 dont use paddle blade just large diameter ex perience us Rabe readers will remember Al has al ways advocated prop diameter rather blade area other hand Bob Hunt using lot blade area home made three-bladed 11-5 prop Max 40 Either way trying load down engine absorb some brute power available Al feels Max 45 will probably run well except Uni-flow muffler pressure feels fuel draw good ST 46 several other redeeming qualities Max 45 also feels changing tank heights make much greater differ ence ST 46 Max evidently doesnt have tolerance Continued page 103 March1979 45 Focke WuIf 190-0-9 David McClellan has molded balsa fuselage 57-in span weighs 53-az ST 46 Airfoil has 25% upper 22% lower shock gear finished Hobbypoxy paint Flying Sig Chipmunk Dan McClellan took second Junior 1978 Nats Max 35 power Interesting fuselage theme distinguishes Steve Mitchells Australia ST-48 powered Super Roo UItie. Tine Filter System No single filter can equal double filtration performance Sullivan Crap Trap Thats because use two separate filters finer other Larger particles trapped out way corners front filter smaller particles fall similar trap rear filter see-thru Teflon barrel enables know sure filters clean after back flush Never trust valuable model enclosed single filter again Between tank engine insist Crap Trap CT-i .it s $115 Actually less ordinary single filter Between fuel container tank insist Crap Trap CT-P .it s $125 Includes larger fittings need use can trust Matty Sullivan always little things mean much us modelers Have discovered super Sulli-cone fuel tubing yet something else fIdUu~fr PRODUCTS N C 535 OAVISVILLE ROAD OW GROVE PA 19090 215 659-3900 scale control line jets could contact mail Sam Abdow 682 Eastern Ave Fall River MA 02723 Drowning Sorrows Im sure exactly one Murphys Laws must during construction before finishing new scale model will receive numerous unpretty little dents dings bare balsa wood Pencils screwdrivers falling out shirt pockets slipping metal straight edges table corners etc seem have knack messing up pretty work can call hangar rash Ill call aggravation Luckily little trick can some times ease pain dent too huge thin trailing edge balsa actually displaced pushed little water will often re store wood its original shape Ap ply healthy portion water directly dentdont wet down entire area youll deserve warp will undoubtedly get few hours later after water has evaporated balsa has puffed back up shape use some very fine sandpaper finish off surface Dont expect major mi racles try next time find small dent Its amazing couple months ago said some thing about Nats WC magazine cov erage its relevance modelers werent recent letter Nats competitor Jeff Perez wrote something interesting about thoughts Im sure competition ori ented modelers can relate Jeffs ex periences Before started flying Nats would dwell over Nats coverage magazines hours still magic comes up pages inspiring motivation gave inspira tion want get out become another Stott Gretz Platt Remem ber Lake Charles told wanted whip Stott because hottest thing wheels back got started Well see Thats what Nats coverage does Nationals magic Everything about Nats magic always will believe now competitors inspired whether realize was too Jeff big boys few years ago names like Keith Burnstine Harney Violett Its exciting think guys out right now planning knock us offin friendly way hope Thats what makes competition funwin lose Mike Grerz Box 162 Montezuma IA S0171 IWhen writing advertisers mention read about Model Aviation CL Aerobatics/Paul continued page 45 changing fuel head ST 46 has says Al new airplanes especially ones built Maxs Al making use adjustable height engine blocks approximately / aluminum will allow him infinitely adjust engine height tank seems critical Maxs Getting back crankshaft Max 45 Al pointed out following engines have crankshaft bear ing journal 15 mm Como 40 ST 45 Max 40 Max 45 HP 40 ST 46 has 12 mm journal So what Well what driving large crankshaft diameters allow greater crankshaft fuel passage allows fuel go combustion chamber supposed mean power Bill Werwage also agreed same point talked him back November about new Max engines So what does mean Joe Bellcrank means want try raw power can try Max 45 try 13-6 prop 5- 10-percent fuel wont have mortgage home machine shop can prob ably learn live speeding up plane round maneuvers learn enjoy pull power during March1979103 Does So Much More. Yet Actually Costs Less square eight vertical eight overheads Despite talk about Max 45 Al wants work ST 45 Rear Exhaust engine feels could also very good engine Al started yet getting ready start testing Al also talked about fuel tank con figuration stated last few planes F-S ls 76 77 and78 plus unfinished P-47 has using tank plan top view resembles parallelogram front rear sides tank perpendicular fuselage sides long sides tank running inboard outboard much builds tanks full length wedge similar old style Veco tank long wedge should have very little unused fuel left end flight use rectangular tank such Hancock tank will have fuel left over Al very concerned about use 015 lines very powerful HP-40s Max 40s Since engines produce much power ST 46 Al feels sacrificing some safety using 015 lines despite fact FAT rules allow use 015 lines ST 46 Al anticipates may see flyaways wrecked planes use 015 lines persists powerful 40 size engines few words World Champ Bob Hunt No am building wings Yes am still using Max 40 three-bladed Hunt special prop chance may market prop will very expensive about $3500 will have try about four five before can get right engine plane weight fuel etc combination doesnt mean have buy four five just try couple until find suits three-bladed props take hours make small production layout therefore quite expensive have some specially made up mufflers Max 40 Max 45 $750 resemble Slim Line muffler like used World Championships still have entire line handles landing gear blocks adjustable leadouts adjust able noseweights flap horns control horns pre-bent landing gear etc Write CSC catalog Word just reached Arlie Preszler 1979 Nationals will Lincoln Nebraska Date July 29 August 5 stunt fliers means get ready Oshkosh types winds certain bring along back-up ship Either Arlie Lanny Shorts will prob ably Event Director Na tionals Stunt judges needed con tact PAMPA president Keith Trostle ability good plain-bearing 35s ballbearing 35s 40s available throt tles decide should direct efforts Profile Carrier Three-Line Control Systems univer sally accepted standard Navy Car rier event three-line control system two commercial units available G-S Products Sturdi-Built Both work same principle three lines carry balanced load throttle control achieved moving third line relation elevation lines means throttle control lever top control handle Either brand handle will work either control unit G-S Products system offers greater smoothness range operation stronger Both systems market bellcranks up right inverted configurations re ferring whether bellcrank normally mounted above below bellcrank platform usual method operation 104 Model Aviation 10900 Phillips Drive Upper Marlboro Md 20870 information PA MPA Stunt Wynn Paul 1640 Maywick Drive Lex ington KY 40504 CL Navy Carrier/Perry continued page 46
Edition: Model Aviation - 1979/03
Page Numbers: 45, 103, 104
Control Line Aerobatics Wynn Paul JUST recently fortunate have visit Al Rabe spending some time parents nearby Versailles Kentucky Fresh second place 1978 World Champi onships Al usual brimming some new ideas next year principally field engines brought along couple boxes engines including ST 45 Rear Exhaust Max 45 three custom creations built around ST 46 case custom 46 built around Como 40 case During course three hour listening session managed take about four pages notes As may may know Al running couple extremely sophisti cated special-set-up engines last couple years instance ST 46 case ST 60 piston sleeve ring own fabricated crankshaft backplate crank stroked about 1/32 over ST 46 crank also included three tungsten metal insert plugs counter weight additional weight back plate set further crankcase pack crankcase As may have seen pictures engine also has ad ditional case cooling fins machined out aluminum stock welded onto case As have prob ably surmised now engine average bearthe crankshaft alone about $9000 have made Al really has gotten engines going far use 4ist pin clips engines making use roll pin secure prop doesnt get popped prop crucial times such finals Nationals What getting discus sion Al went great amount expense fantastic amount time come up engine would put out horsepower wants Notice said .. s Some us may argue 52-oz plane doesnt need 15 horsepower although its nice get Als case semi-scale planes have history high wing-loading feel detrimental performance Addition ally engines Al has using constant problem need rebuild ing often often mean sometime three times day Al would first say has lots trouble engines Next Al related purchased Max 45 Right out box really good engine said some reluctance since feels puts out power comparable complex Rabe 46-60 super dooper pooper dif ficult item about engine says Al terrific power break four- two-cycle power surge unknown stunters certainly never experienced Fox 35 Max 35 ST 46 Veco 45 Max 45 has high compression ratio very large crank shaft fuel passage helps Schnuerle ported thats three ports stead two engine get its power make positive use power surge Al recommends using lots prop stance Rev-Up 13-6 dont use paddle blade just large diameter ex perience us Rabe readers will remember Al has al ways advocated prop diameter rather blade area other hand Bob Hunt using lot blade area home made three-bladed 11-5 prop Max 40 Either way trying load down engine absorb some brute power available Al feels Max 45 will probably run well except Uni-flow muffler pressure feels fuel draw good ST 46 several other redeeming qualities Max 45 also feels changing tank heights make much greater differ ence ST 46 Max evidently doesnt have tolerance Continued page 103 March1979 45 Focke WuIf 190-0-9 David McClellan has molded balsa fuselage 57-in span weighs 53-az ST 46 Airfoil has 25% upper 22% lower shock gear finished Hobbypoxy paint Flying Sig Chipmunk Dan McClellan took second Junior 1978 Nats Max 35 power Interesting fuselage theme distinguishes Steve Mitchells Australia ST-48 powered Super Roo UItie. Tine Filter System No single filter can equal double filtration performance Sullivan Crap Trap Thats because use two separate filters finer other Larger particles trapped out way corners front filter smaller particles fall similar trap rear filter see-thru Teflon barrel enables know sure filters clean after back flush Never trust valuable model enclosed single filter again Between tank engine insist Crap Trap CT-i .it s $115 Actually less ordinary single filter Between fuel container tank insist Crap Trap CT-P .it s $125 Includes larger fittings need use can trust Matty Sullivan always little things mean much us modelers Have discovered super Sulli-cone fuel tubing yet something else fIdUu~fr PRODUCTS N C 535 OAVISVILLE ROAD OW GROVE PA 19090 215 659-3900 scale control line jets could contact mail Sam Abdow 682 Eastern Ave Fall River MA 02723 Drowning Sorrows Im sure exactly one Murphys Laws must during construction before finishing new scale model will receive numerous unpretty little dents dings bare balsa wood Pencils screwdrivers falling out shirt pockets slipping metal straight edges table corners etc seem have knack messing up pretty work can call hangar rash Ill call aggravation Luckily little trick can some times ease pain dent too huge thin trailing edge balsa actually displaced pushed little water will often re store wood its original shape Ap ply healthy portion water directly dentdont wet down entire area youll deserve warp will undoubtedly get few hours later after water has evaporated balsa has puffed back up shape use some very fine sandpaper finish off surface Dont expect major mi racles try next time find small dent Its amazing couple months ago said some thing about Nats WC magazine cov erage its relevance modelers werent recent letter Nats competitor Jeff Perez wrote something interesting about thoughts Im sure competition ori ented modelers can relate Jeffs ex periences Before started flying Nats would dwell over Nats coverage magazines hours still magic comes up pages inspiring motivation gave inspira tion want get out become another Stott Gretz Platt Remem ber Lake Charles told wanted whip Stott because hottest thing wheels back got started Well see Thats what Nats coverage does Nationals magic Everything about Nats magic always will believe now competitors inspired whether realize was too Jeff big boys few years ago names like Keith Burnstine Harney Violett Its exciting think guys out right now planning knock us offin friendly way hope Thats what makes competition funwin lose Mike Grerz Box 162 Montezuma IA S0171 IWhen writing advertisers mention read about Model Aviation CL Aerobatics/Paul continued page 45 changing fuel head ST 46 has says Al new airplanes especially ones built Maxs Al making use adjustable height engine blocks approximately / aluminum will allow him infinitely adjust engine height tank seems critical Maxs Getting back crankshaft Max 45 Al pointed out following engines have crankshaft bear ing journal 15 mm Como 40 ST 45 Max 40 Max 45 HP 40 ST 46 has 12 mm journal So what Well what driving large crankshaft diameters allow greater crankshaft fuel passage allows fuel go combustion chamber supposed mean power Bill Werwage also agreed same point talked him back November about new Max engines So what does mean Joe Bellcrank means want try raw power can try Max 45 try 13-6 prop 5- 10-percent fuel wont have mortgage home machine shop can prob ably learn live speeding up plane round maneuvers learn enjoy pull power during March1979103 Does So Much More. Yet Actually Costs Less square eight vertical eight overheads Despite talk about Max 45 Al wants work ST 45 Rear Exhaust engine feels could also very good engine Al started yet getting ready start testing Al also talked about fuel tank con figuration stated last few planes F-S ls 76 77 and78 plus unfinished P-47 has using tank plan top view resembles parallelogram front rear sides tank perpendicular fuselage sides long sides tank running inboard outboard much builds tanks full length wedge similar old style Veco tank long wedge should have very little unused fuel left end flight use rectangular tank such Hancock tank will have fuel left over Al very concerned about use 015 lines very powerful HP-40s Max 40s Since engines produce much power ST 46 Al feels sacrificing some safety using 015 lines despite fact FAT rules allow use 015 lines ST 46 Al anticipates may see flyaways wrecked planes use 015 lines persists powerful 40 size engines few words World Champ Bob Hunt No am building wings Yes am still using Max 40 three-bladed Hunt special prop chance may market prop will very expensive about $3500 will have try about four five before can get right engine plane weight fuel etc combination doesnt mean have buy four five just try couple until find suits three-bladed props take hours make small production layout therefore quite expensive have some specially made up mufflers Max 40 Max 45 $750 resemble Slim Line muffler like used World Championships still have entire line handles landing gear blocks adjustable leadouts adjust able noseweights flap horns control horns pre-bent landing gear etc Write CSC catalog Word just reached Arlie Preszler 1979 Nationals will Lincoln Nebraska Date July 29 August 5 stunt fliers means get ready Oshkosh types winds certain bring along back-up ship Either Arlie Lanny Shorts will prob ably Event Director Na tionals Stunt judges needed con tact PAMPA president Keith Trostle ability good plain-bearing 35s ballbearing 35s 40s available throt tles decide should direct efforts Profile Carrier Three-Line Control Systems univer sally accepted standard Navy Car rier event three-line control system two commercial units available G-S Products Sturdi-Built Both work same principle three lines carry balanced load throttle control achieved moving third line relation elevation lines means throttle control lever top control handle Either brand handle will work either control unit G-S Products system offers greater smoothness range operation stronger Both systems market bellcranks up right inverted configurations re ferring whether bellcrank normally mounted above below bellcrank platform usual method operation 104 Model Aviation 10900 Phillips Drive Upper Marlboro Md 20870 information PA MPA Stunt Wynn Paul 1640 Maywick Drive Lex ington KY 40504 CL Navy Carrier/Perry continued page 46