Control Line Speed Gene Hempel QOPS first item business months column correct drawing appeared column May 1987 issue single-line control system swing ann spacer thickness swing ann shoulder dimension spacer left off original drawing swing arm riding bolt passes through assembly would allow swing arm have very sloppy fit would function properly Also thickness swing arm should 032-in brass shim stock instead 035 specified drawing Please add corrected information old drawings otherwise system will work properly make Check both old new drawings information Great Britains Peter Hallman recently Sep tember 12 1986 made attempt set anew FM CL Speed record Series II Record Classification No 28 classification engines displacement between 251cc 500cc Peter has working very hard pull off would like congratulate him upon accomplishment following information furnished Peter concerning model engine fuel tank record pending formal approval FAI Description Record AUempt Control Line Speed model Series 11Record Classification No 28 Engines 251-500 cubic centimeters record attempt made Esher flying circle Fairmile Common Esher Surrey September 12 1986 engine used Irvine 21R swept volume 348 cubic centimeters model design asymmetric fuselage tail made basswood wing constructed 03mm L72 dural fuel mixture 20% castor oil 60% methanol 20% nitromethane Control two wires linked together tube-and-tape groupers first attempt 04mm wire 69 groupers used second attempt 036mm wire 50 groupers used propeller single-blade type made carbon fiber epoxy resin diameter 156mm first attempt pitch 196mm second attempt pitch 208mm first attempt resulted flight 31151 kph second attempt flight 312228 kph 195 mph engine/pipe model propeller designed made Peter Hailman Engine Irvine 21R Only mods engine raise exhaust 1900 chrome crank pin Intake opens 400 ABDC closes 600 ATDC Transfer 1300 exhaust 1900 Hailmans tankpure suction feed Note soW mounting via sliicone pads Pipe High-volume pipe machined bar Prop Halmax carbon/epoxy 156mm diameter stock N-C numerically-controlled-edby 81 pitch single-blade steel countermachine Multi-cone front section radius rearweight used cone Tail pipe diameter Overall Pan OPS 21 half-pan spar length m Plug centerline maximum Fuel system Venturi 7mm wood diameter mm ntinued pare 172 July1987 69 Great Britains Peter Haiiman has apparently set new FAi Speed record forthe 251-50cc ciass model Power irvine 35cc speed 195 mph column detailed drawing JerryThomas one-line control system appeared May 1987 issue p 74 couple minor errors correct info swing arm CL Speed/Hempel Continued page 69 ram-air-box extension having maximum dia meter 15mm front tank uniflow suction type capacity 28cc Material silver-soldered brass sheet Mount ing utilized silicone rubber tubes Tank feed 12mm model centerline Center venturi 14mm pan centerline Model Laminated basswood fuselage bass wood elevator L72 aluminum alloy wing model hangs lead-out point wing tip thrust line 1 750 nose out Weight model 24 ox received letter John Camp Rochester MI some interesting bits information Johns letter reads saw March issue ModelAviation read column figured thatyou might interested some information Several items interest concern two distri butors supplies home-built aircraft handle exotic items may need sources such carbon fiber uni- bi directional fiberglass Kevlar etc first source Wicks Aircraft Supply 410 Pine St Highland IL 62449 phone number 1-800-221-9425 mere $5 will bring fine catalog Wicks doesnt stock material listed catalog will attempt obtain least thats experience home-built aircrall materials second source Aircraft Spruce Specialty Co 201 W Truslow Box 424 Fuller ton CA 92632 Send $5 fine catalog Aircraft Spruce Specialty seems better source advanced composites Kevlar carbon fiber materials etc least what offered/listed catalog 21 Sport Speed event looks interesting still has same problems other Speed classes fly competitively other Nationals Its kind low-cost FAL Speed class hope helps other modelers information Speed column please mail dont bashful Gene Hempel 301 N Yale Dr Garland TX 75042 45/McClure Continued page 74 tens thousands spectators gave vent screams such never experience againnot worst bombing attacks Second World War witnessed spectacle no doubt re solved avoid anything suggestive flight Heinkel moved op posite 1911 23-year-old budding en trepreneur designed built first air plane Farman-style pusher biplane engine used first go-around plane lacked enough muscle liftoff Shortly afterwards though first ride Etrich Taube monoplane pointed him right direction rental larger engine Heinkel soon controls maiden flight Ten days later spun groundand lucky pulled out wreckage before fuel tank exploded Undaunted young Heinkel hired later year engineer LVG firm World War fame went become chief designer Albatross factory positions other companies Throughout World War chief designer Hansa Brandenburg firm told Heinkel created 40 different airplane designs 30 actually produced Germany Austria included single- multi-engined types seaplanes flying boatsand type meant launched sub marines presumably surfaced 1918 armistice brought German aircraft industry halt Heinkel started small plant make electrical equipment convert leftover army vehicles After four-year hiatus 1922 teamed up Carl Bucker would later gain fame Jungmann Jungmeister aerobatic biplanes found Ernst Heinkel Aircraft Bucker also established factory Sweden now SAAB firm first Ernst Heinkel Aircraft designs cluding 1 low-wing seaplane produced lower cost could have postwar German economy enabled Heinkel survive dis astrous inflation crippling much German industry early Twenties clandestine Luftwaffe started take form Heinkel ready least half-dozen Heinkel designs secretly tested developed Lipetsk between 1925 1930 During same period energetic German designing variety seaplanes including 12 launched catapult ocean liner Bremen speed mail delivery Heinkels 45 arrived Lipetsk response government requirement airplane docile handling ease maintenance structural strength ability carry heavy load design would satisfy criteria obviously experiment risky new idesand Heinkel built new biplane along strictly conventional lines fuselage built welded rectangular steel tubes covered mainly fabric wings wood structure fabric covering engine 600-hp water-cooled V- 12 swung wooden two-bladed fixedpitch propeller Ostensibly 45 ordinary two-place open-cockpit trainer ap parent casual observers eye ever fact decking around rear cockpit innocuous-seeming plane could removed single 30cal machine gun installed built-in ring mounting Testing prototype 45 completed 1932 production begun end year first airplanes delivered summer 1933 flying school Schleissheim Germany planes 660-hp BMW engine gave top speed 155 mph sea level cruising speed 137 mph Empty weight 3800 lb loaded weight 5750 lb same year design adapted dual-purpose reconnaissance plane/ bomber designthe 45b bas ically similar 45 newer version carried 30-cal machine gun nose what camera bay behind observers cockpit built-in racks 22-lb bombs 10 45b first flown 1932 went production late 1933 1934 military preparednessorwhat now beginning Nazi war machinewas stepped up Luftwaffe asking delivery 320 45s autumn 1935something Heinkels factory also busily turning out seaplanes couldnt manage So Nazis turned other companies help realize li censed production goals Heinkel fac tory did however build small number additional 45s including few called 61 Nationalist China war-pilot training facet RussoGerman military cooperation ended fall 1932 much equipment Lipetsk including early 45 planes sent back Germany Some testing continued Russia until summer 1933 escalating tensions between Nazis Soviets aborted well After lengthy negotiations older airplanes handed over Russians 172 Model Aviation RAND NEW TRAINERS WITH RADI ALREADY FLYING01 AND ENGINE INSTALLED-OnIYS300 j FUTABA 4NLw/4S38 SERVOSl OTTS R/C PARADISE 80893512061 660 KAUMANA Dr HILOHi 967201 CARBON MAT SAMPLE 2 OR 5 OZISO YD SEND $100 EACH TO AEROSPACE COMPOSITE PRODUCTS PO Box 16621 Ervine CA 92714 4 4 L4TNES PRECISION INSTRUMEETS MILS MET$LS B00K5 Ch f1iJCMPlELL - COMPLETE CATROOC $200 DLS CD 2220Seloo Rood Spongfo2d 2Coo 4550$ Opa 13 3228562 * SCALE DOCUMENTATION * URINGAL ~NGS OS ____-REPLA-TECH 1987 ~INTRNATIONAL AIRPLANE48500 MC KENZIE HWY CATALOG $250 VIDA OREGON 97488 rest flown back Germany end 1934 about 150 45s service primarily c d variants employed 750-hp BMW VI 73 engine As 1936 began Hem kels design probably com monly used Germanys military air planes 45s used training reconnaissance bombing flying test-bed engine installations summer 1936 saw last 45s go production total 512 built since Heinkel first introduced 70 come out designers own factory July 1936 civil war broke out Spain Germany opportunistically sprang test its new airplanes tactics action first units formed Condor LegionGermans fighting Spanish nationalists supposed civilians reconnaissance squadron six 45c planes March 1937 Spanish Na tionalist air force units deploying still Heinkels c bombers strafing bombing reconnaissance total 40 saw action Spains war although Heinkel 45s gradually replaced higher-performance Henschel Hs-1 26s meantime back Germany 45s used 12 reconnaissance units formed 1937 However progress aviation dooming old biplane Preempted monoplanes larger en gines better streamlining 45 become vanishing breed time Germany attacked Poland September 1939 time number 45s seeing action shrunk about dozen Yet few years later throughout terrible fighting winter 1942-43 45 brought out semi-retire ment brief flare action fall year Germany had shortage planes suitable nighttime harassing raidsagainst front-line troops time ally Soviet Union Several units 45s formed Rossoch river Don route German army toward Stalingrad During long winter then-obsolete warplanes carried 110lb 154-lb incendiary fragmen tation bombs before being retired good following spring Thus ironic quirk fate warplane begun its career under friendly Soviet mantle flew its last actions decade later slipped across Russian lines night attack members army once trained FF Indoor/Tenny Continued page 75 dates contact Les 995 Mclntire St Boulder CO 80303 phone 303 499-0946 about other guys Tell us about site Flying updates Santa Ana hangar venue Tustin Indoor Model Airplane Club has slightly modified July 4 weekend meet will FAI regional meet full motors addition Labor Day meet will FAI team-selection finals International meet Contest Flemalle Belgium International Indoor event proxy entries invited will held August 1987 details contact F L Van Hauwaert 1 Grand Place Box 524110 Flemalle Belgium Announcement courtesy Bill Hannans Outreach Sheet get order stuff Bill Hannan PO Box Escondido CA 92025 Oakland Cloud Dusters arise Any ex-member Cloud Dusters anyone knowing locate ex-members requested contact George Xenakis 1288 Oak Knoll Drive San Jose CA 95129 phone 408 996-0650 Cloud Dusters holding fiftieth anniversary banquet Saturday evening June 13 1987 Shenanigans Restaurant Oakland CA Hand-Launched Glider tips seldom get feedback info tips IHLG fliers hasnt anything column However have few own listen up discouraging things can see almost perfectly-trimmed IHLG breaking glide tiny stall damps out quickly after losing couple feet altitude Check wings slight warp especially near tip should have equal slight washout negative angie attack both tips What happens minor turbulence causes tip stall slightly breaking glide path Glider should coming slightly nosehigh minimum sink rate kind stall deadly does model lose altitude takes get back step again same reason never warp tip trailing edge down try control turn Tip weight stab tilt rudder can used Just remember Turn generated stab tilt essentially independent model speed tip weight nearly Rudder adjustment very speed-dependent model slows up get step may lose turn stall bracing promised discuss both bracing special bracing setup time certain other concerns have eaten up lot space lot personal time So lets hold bracing theme just examine bracing fixture use field repair complete rig consists fuselage cradle Figure 1 two multiptirpose stands Figure 2 tail boom stand Figure 3 four parts allow install kind wing tail bracing almost size model will see next time Since rig modular will fit very reasonably sized box can take along contest field repair needed limits model size dictated distance between vertical wires Figure 2 distance should least longer widest wing chord expect have height length vertical wires stand must enough raise section wing high need during bracing will see next time big stands set eight inches top wires 7Y2 between wires stand 10 tall 9 wide should accommodate fattest FAI wings work almost size Indoor Stick brave enough build photos shows stands use field repairnote gap built-up tail boom work surface needs fairly flat case FAI model box stands cradle have fastened down dead $1400 U m U battery U U pack. U U .a dead $30000 airplane prevent this. Voltmaster sophisticated precision voltmeter accurate expensive laboratory unit can confident readings gives true Unique features include -Four voltage ranges -Load Engage switch important determining cell condition -Load Status switch two different loads 200 ma 500 ma 26K18 Voltruaster Kit$2795 26K18C Voltmaster Asbld$3795 r k y"- --- first must order direct Astage handling Iiqme catalog $200I II I IPOBw511CUHggmsvdtc Mo L.rnu.rnm uly1987 173
Edition: Model Aviation - 1987/07
Page Numbers: 69, 172, 173
Control Line Speed Gene Hempel QOPS first item business months column correct drawing appeared column May 1987 issue single-line control system swing ann spacer thickness swing ann shoulder dimension spacer left off original drawing swing arm riding bolt passes through assembly would allow swing arm have very sloppy fit would function properly Also thickness swing arm should 032-in brass shim stock instead 035 specified drawing Please add corrected information old drawings otherwise system will work properly make Check both old new drawings information Great Britains Peter Hallman recently Sep tember 12 1986 made attempt set anew FM CL Speed record Series II Record Classification No 28 classification engines displacement between 251cc 500cc Peter has working very hard pull off would like congratulate him upon accomplishment following information furnished Peter concerning model engine fuel tank record pending formal approval FAI Description Record AUempt Control Line Speed model Series 11Record Classification No 28 Engines 251-500 cubic centimeters record attempt made Esher flying circle Fairmile Common Esher Surrey September 12 1986 engine used Irvine 21R swept volume 348 cubic centimeters model design asymmetric fuselage tail made basswood wing constructed 03mm L72 dural fuel mixture 20% castor oil 60% methanol 20% nitromethane Control two wires linked together tube-and-tape groupers first attempt 04mm wire 69 groupers used second attempt 036mm wire 50 groupers used propeller single-blade type made carbon fiber epoxy resin diameter 156mm first attempt pitch 196mm second attempt pitch 208mm first attempt resulted flight 31151 kph second attempt flight 312228 kph 195 mph engine/pipe model propeller designed made Peter Hailman Engine Irvine 21R Only mods engine raise exhaust 1900 chrome crank pin Intake opens 400 ABDC closes 600 ATDC Transfer 1300 exhaust 1900 Hailmans tankpure suction feed Note soW mounting via sliicone pads Pipe High-volume pipe machined bar Prop Halmax carbon/epoxy 156mm diameter stock N-C numerically-controlled-edby 81 pitch single-blade steel countermachine Multi-cone front section radius rearweight used cone Tail pipe diameter Overall Pan OPS 21 half-pan spar length m Plug centerline maximum Fuel system Venturi 7mm wood diameter mm ntinued pare 172 July1987 69 Great Britains Peter Haiiman has apparently set new FAi Speed record forthe 251-50cc ciass model Power irvine 35cc speed 195 mph column detailed drawing JerryThomas one-line control system appeared May 1987 issue p 74 couple minor errors correct info swing arm CL Speed/Hempel Continued page 69 ram-air-box extension having maximum dia meter 15mm front tank uniflow suction type capacity 28cc Material silver-soldered brass sheet Mount ing utilized silicone rubber tubes Tank feed 12mm model centerline Center venturi 14mm pan centerline Model Laminated basswood fuselage bass wood elevator L72 aluminum alloy wing model hangs lead-out point wing tip thrust line 1 750 nose out Weight model 24 ox received letter John Camp Rochester MI some interesting bits information Johns letter reads saw March issue ModelAviation read column figured thatyou might interested some information Several items interest concern two distri butors supplies home-built aircraft handle exotic items may need sources such carbon fiber uni- bi directional fiberglass Kevlar etc first source Wicks Aircraft Supply 410 Pine St Highland IL 62449 phone number 1-800-221-9425 mere $5 will bring fine catalog Wicks doesnt stock material listed catalog will attempt obtain least thats experience home-built aircrall materials second source Aircraft Spruce Specialty Co 201 W Truslow Box 424 Fuller ton CA 92632 Send $5 fine catalog Aircraft Spruce Specialty seems better source advanced composites Kevlar carbon fiber materials etc least what offered/listed catalog 21 Sport Speed event looks interesting still has same problems other Speed classes fly competitively other Nationals Its kind low-cost FAL Speed class hope helps other modelers information Speed column please mail dont bashful Gene Hempel 301 N Yale Dr Garland TX 75042 45/McClure Continued page 74 tens thousands spectators gave vent screams such never experience againnot worst bombing attacks Second World War witnessed spectacle no doubt re solved avoid anything suggestive flight Heinkel moved op posite 1911 23-year-old budding en trepreneur designed built first air plane Farman-style pusher biplane engine used first go-around plane lacked enough muscle liftoff Shortly afterwards though first ride Etrich Taube monoplane pointed him right direction rental larger engine Heinkel soon controls maiden flight Ten days later spun groundand lucky pulled out wreckage before fuel tank exploded Undaunted young Heinkel hired later year engineer LVG firm World War fame went become chief designer Albatross factory positions other companies Throughout World War chief designer Hansa Brandenburg firm told Heinkel created 40 different airplane designs 30 actually produced Germany Austria included single- multi-engined types seaplanes flying boatsand type meant launched sub marines presumably surfaced 1918 armistice brought German aircraft industry halt Heinkel started small plant make electrical equipment convert leftover army vehicles After four-year hiatus 1922 teamed up Carl Bucker would later gain fame Jungmann Jungmeister aerobatic biplanes found Ernst Heinkel Aircraft Bucker also established factory Sweden now SAAB firm first Ernst Heinkel Aircraft designs cluding 1 low-wing seaplane produced lower cost could have postwar German economy enabled Heinkel survive dis astrous inflation crippling much German industry early Twenties clandestine Luftwaffe started take form Heinkel ready least half-dozen Heinkel designs secretly tested developed Lipetsk between 1925 1930 During same period energetic German designing variety seaplanes including 12 launched catapult ocean liner Bremen speed mail delivery Heinkels 45 arrived Lipetsk response government requirement airplane docile handling ease maintenance structural strength ability carry heavy load design would satisfy criteria obviously experiment risky new idesand Heinkel built new biplane along strictly conventional lines fuselage built welded rectangular steel tubes covered mainly fabric wings wood structure fabric covering engine 600-hp water-cooled V- 12 swung wooden two-bladed fixedpitch propeller Ostensibly 45 ordinary two-place open-cockpit trainer ap parent casual observers eye ever fact decking around rear cockpit innocuous-seeming plane could removed single 30cal machine gun installed built-in ring mounting Testing prototype 45 completed 1932 production begun end year first airplanes delivered summer 1933 flying school Schleissheim Germany planes 660-hp BMW engine gave top speed 155 mph sea level cruising speed 137 mph Empty weight 3800 lb loaded weight 5750 lb same year design adapted dual-purpose reconnaissance plane/ bomber designthe 45b bas ically similar 45 newer version carried 30-cal machine gun nose what camera bay behind observers cockpit built-in racks 22-lb bombs 10 45b first flown 1932 went production late 1933 1934 military preparednessorwhat now beginning Nazi war machinewas stepped up Luftwaffe asking delivery 320 45s autumn 1935something Heinkels factory also busily turning out seaplanes couldnt manage So Nazis turned other companies help realize li censed production goals Heinkel fac tory did however build small number additional 45s including few called 61 Nationalist China war-pilot training facet RussoGerman military cooperation ended fall 1932 much equipment Lipetsk including early 45 planes sent back Germany Some testing continued Russia until summer 1933 escalating tensions between Nazis Soviets aborted well After lengthy negotiations older airplanes handed over Russians 172 Model Aviation RAND NEW TRAINERS WITH RADI ALREADY FLYING01 AND ENGINE INSTALLED-OnIYS300 j FUTABA 4NLw/4S38 SERVOSl OTTS R/C PARADISE 80893512061 660 KAUMANA Dr HILOHi 967201 CARBON MAT SAMPLE 2 OR 5 OZISO YD SEND $100 EACH TO AEROSPACE COMPOSITE PRODUCTS PO Box 16621 Ervine CA 92714 4 4 L4TNES PRECISION INSTRUMEETS MILS MET$LS B00K5 Ch f1iJCMPlELL - COMPLETE CATROOC $200 DLS CD 2220Seloo Rood Spongfo2d 2Coo 4550$ Opa 13 3228562 * SCALE DOCUMENTATION * URINGAL ~NGS OS ____-REPLA-TECH 1987 ~INTRNATIONAL AIRPLANE48500 MC KENZIE HWY CATALOG $250 VIDA OREGON 97488 rest flown back Germany end 1934 about 150 45s service primarily c d variants employed 750-hp BMW VI 73 engine As 1936 began Hem kels design probably com monly used Germanys military air planes 45s used training reconnaissance bombing flying test-bed engine installations summer 1936 saw last 45s go production total 512 built since Heinkel first introduced 70 come out designers own factory July 1936 civil war broke out Spain Germany opportunistically sprang test its new airplanes tactics action first units formed Condor LegionGermans fighting Spanish nationalists supposed civilians reconnaissance squadron six 45c planes March 1937 Spanish Na tionalist air force units deploying still Heinkels c bombers strafing bombing reconnaissance total 40 saw action Spains war although Heinkel 45s gradually replaced higher-performance Henschel Hs-1 26s meantime back Germany 45s used 12 reconnaissance units formed 1937 However progress aviation dooming old biplane Preempted monoplanes larger en gines better streamlining 45 become vanishing breed time Germany attacked Poland September 1939 time number 45s seeing action shrunk about dozen Yet few years later throughout terrible fighting winter 1942-43 45 brought out semi-retire ment brief flare action fall year Germany had shortage planes suitable nighttime harassing raidsagainst front-line troops time ally Soviet Union Several units 45s formed Rossoch river Don route German army toward Stalingrad During long winter then-obsolete warplanes carried 110lb 154-lb incendiary fragmen tation bombs before being retired good following spring Thus ironic quirk fate warplane begun its career under friendly Soviet mantle flew its last actions decade later slipped across Russian lines night attack members army once trained FF Indoor/Tenny Continued page 75 dates contact Les 995 Mclntire St Boulder CO 80303 phone 303 499-0946 about other guys Tell us about site Flying updates Santa Ana hangar venue Tustin Indoor Model Airplane Club has slightly modified July 4 weekend meet will FAI regional meet full motors addition Labor Day meet will FAI team-selection finals International meet Contest Flemalle Belgium International Indoor event proxy entries invited will held August 1987 details contact F L Van Hauwaert 1 Grand Place Box 524110 Flemalle Belgium Announcement courtesy Bill Hannans Outreach Sheet get order stuff Bill Hannan PO Box Escondido CA 92025 Oakland Cloud Dusters arise Any ex-member Cloud Dusters anyone knowing locate ex-members requested contact George Xenakis 1288 Oak Knoll Drive San Jose CA 95129 phone 408 996-0650 Cloud Dusters holding fiftieth anniversary banquet Saturday evening June 13 1987 Shenanigans Restaurant Oakland CA Hand-Launched Glider tips seldom get feedback info tips IHLG fliers hasnt anything column However have few own listen up discouraging things can see almost perfectly-trimmed IHLG breaking glide tiny stall damps out quickly after losing couple feet altitude Check wings slight warp especially near tip should have equal slight washout negative angie attack both tips What happens minor turbulence causes tip stall slightly breaking glide path Glider should coming slightly nosehigh minimum sink rate kind stall deadly does model lose altitude takes get back step again same reason never warp tip trailing edge down try control turn Tip weight stab tilt rudder can used Just remember Turn generated stab tilt essentially independent model speed tip weight nearly Rudder adjustment very speed-dependent model slows up get step may lose turn stall bracing promised discuss both bracing special bracing setup time certain other concerns have eaten up lot space lot personal time So lets hold bracing theme just examine bracing fixture use field repair complete rig consists fuselage cradle Figure 1 two multiptirpose stands Figure 2 tail boom stand Figure 3 four parts allow install kind wing tail bracing almost size model will see next time Since rig modular will fit very reasonably sized box can take along contest field repair needed limits model size dictated distance between vertical wires Figure 2 distance should least longer widest wing chord expect have height length vertical wires stand must enough raise section wing high need during bracing will see next time big stands set eight inches top wires 7Y2 between wires stand 10 tall 9 wide should accommodate fattest FAI wings work almost size Indoor Stick brave enough build photos shows stands use field repairnote gap built-up tail boom work surface needs fairly flat case FAI model box stands cradle have fastened down dead $1400 U m U battery U U pack. U U .a dead $30000 airplane prevent this. Voltmaster sophisticated precision voltmeter accurate expensive laboratory unit can confident readings gives true Unique features include -Four voltage ranges -Load Engage switch important determining cell condition -Load Status switch two different loads 200 ma 500 ma 26K18 Voltruaster Kit$2795 26K18C Voltmaster Asbld$3795 r k y"- --- first must order direct Astage handling Iiqme catalog $200I II I IPOBw511CUHggmsvdtc Mo L.rnu.rnm uly1987 173
Edition: Model Aviation - 1987/07
Page Numbers: 69, 172, 173
Control Line Speed Gene Hempel QOPS first item business months column correct drawing appeared column May 1987 issue single-line control system swing ann spacer thickness swing ann shoulder dimension spacer left off original drawing swing arm riding bolt passes through assembly would allow swing arm have very sloppy fit would function properly Also thickness swing arm should 032-in brass shim stock instead 035 specified drawing Please add corrected information old drawings otherwise system will work properly make Check both old new drawings information Great Britains Peter Hallman recently Sep tember 12 1986 made attempt set anew FM CL Speed record Series II Record Classification No 28 classification engines displacement between 251cc 500cc Peter has working very hard pull off would like congratulate him upon accomplishment following information furnished Peter concerning model engine fuel tank record pending formal approval FAI Description Record AUempt Control Line Speed model Series 11Record Classification No 28 Engines 251-500 cubic centimeters record attempt made Esher flying circle Fairmile Common Esher Surrey September 12 1986 engine used Irvine 21R swept volume 348 cubic centimeters model design asymmetric fuselage tail made basswood wing constructed 03mm L72 dural fuel mixture 20% castor oil 60% methanol 20% nitromethane Control two wires linked together tube-and-tape groupers first attempt 04mm wire 69 groupers used second attempt 036mm wire 50 groupers used propeller single-blade type made carbon fiber epoxy resin diameter 156mm first attempt pitch 196mm second attempt pitch 208mm first attempt resulted flight 31151 kph second attempt flight 312228 kph 195 mph engine/pipe model propeller designed made Peter Hailman Engine Irvine 21R Only mods engine raise exhaust 1900 chrome crank pin Intake opens 400 ABDC closes 600 ATDC Transfer 1300 exhaust 1900 Hailmans tankpure suction feed Note soW mounting via sliicone pads Pipe High-volume pipe machined bar Prop Halmax carbon/epoxy 156mm diameter stock N-C numerically-controlled-edby 81 pitch single-blade steel countermachine Multi-cone front section radius rearweight used cone Tail pipe diameter Overall Pan OPS 21 half-pan spar length m Plug centerline maximum Fuel system Venturi 7mm wood diameter mm ntinued pare 172 July1987 69 Great Britains Peter Haiiman has apparently set new FAi Speed record forthe 251-50cc ciass model Power irvine 35cc speed 195 mph column detailed drawing JerryThomas one-line control system appeared May 1987 issue p 74 couple minor errors correct info swing arm CL Speed/Hempel Continued page 69 ram-air-box extension having maximum dia meter 15mm front tank uniflow suction type capacity 28cc Material silver-soldered brass sheet Mount ing utilized silicone rubber tubes Tank feed 12mm model centerline Center venturi 14mm pan centerline Model Laminated basswood fuselage bass wood elevator L72 aluminum alloy wing model hangs lead-out point wing tip thrust line 1 750 nose out Weight model 24 ox received letter John Camp Rochester MI some interesting bits information Johns letter reads saw March issue ModelAviation read column figured thatyou might interested some information Several items interest concern two distri butors supplies home-built aircraft handle exotic items may need sources such carbon fiber uni- bi directional fiberglass Kevlar etc first source Wicks Aircraft Supply 410 Pine St Highland IL 62449 phone number 1-800-221-9425 mere $5 will bring fine catalog Wicks doesnt stock material listed catalog will attempt obtain least thats experience home-built aircrall materials second source Aircraft Spruce Specialty Co 201 W Truslow Box 424 Fuller ton CA 92632 Send $5 fine catalog Aircraft Spruce Specialty seems better source advanced composites Kevlar carbon fiber materials etc least what offered/listed catalog 21 Sport Speed event looks interesting still has same problems other Speed classes fly competitively other Nationals Its kind low-cost FAL Speed class hope helps other modelers information Speed column please mail dont bashful Gene Hempel 301 N Yale Dr Garland TX 75042 45/McClure Continued page 74 tens thousands spectators gave vent screams such never experience againnot worst bombing attacks Second World War witnessed spectacle no doubt re solved avoid anything suggestive flight Heinkel moved op posite 1911 23-year-old budding en trepreneur designed built first air plane Farman-style pusher biplane engine used first go-around plane lacked enough muscle liftoff Shortly afterwards though first ride Etrich Taube monoplane pointed him right direction rental larger engine Heinkel soon controls maiden flight Ten days later spun groundand lucky pulled out wreckage before fuel tank exploded Undaunted young Heinkel hired later year engineer LVG firm World War fame went become chief designer Albatross factory positions other companies Throughout World War chief designer Hansa Brandenburg firm told Heinkel created 40 different airplane designs 30 actually produced Germany Austria included single- multi-engined types seaplanes flying boatsand type meant launched sub marines presumably surfaced 1918 armistice brought German aircraft industry halt Heinkel started small plant make electrical equipment convert leftover army vehicles After four-year hiatus 1922 teamed up Carl Bucker would later gain fame Jungmann Jungmeister aerobatic biplanes found Ernst Heinkel Aircraft Bucker also established factory Sweden now SAAB firm first Ernst Heinkel Aircraft designs cluding 1 low-wing seaplane produced lower cost could have postwar German economy enabled Heinkel survive dis astrous inflation crippling much German industry early Twenties clandestine Luftwaffe started take form Heinkel ready least half-dozen Heinkel designs secretly tested developed Lipetsk between 1925 1930 During same period energetic German designing variety seaplanes including 12 launched catapult ocean liner Bremen speed mail delivery Heinkels 45 arrived Lipetsk response government requirement airplane docile handling ease maintenance structural strength ability carry heavy load design would satisfy criteria obviously experiment risky new idesand Heinkel built new biplane along strictly conventional lines fuselage built welded rectangular steel tubes covered mainly fabric wings wood structure fabric covering engine 600-hp water-cooled V- 12 swung wooden two-bladed fixedpitch propeller Ostensibly 45 ordinary two-place open-cockpit trainer ap parent casual observers eye ever fact decking around rear cockpit innocuous-seeming plane could removed single 30cal machine gun installed built-in ring mounting Testing prototype 45 completed 1932 production begun end year first airplanes delivered summer 1933 flying school Schleissheim Germany planes 660-hp BMW engine gave top speed 155 mph sea level cruising speed 137 mph Empty weight 3800 lb loaded weight 5750 lb same year design adapted dual-purpose reconnaissance plane/ bomber designthe 45b bas ically similar 45 newer version carried 30-cal machine gun nose what camera bay behind observers cockpit built-in racks 22-lb bombs 10 45b first flown 1932 went production late 1933 1934 military preparednessorwhat now beginning Nazi war machinewas stepped up Luftwaffe asking delivery 320 45s autumn 1935something Heinkels factory also busily turning out seaplanes couldnt manage So Nazis turned other companies help realize li censed production goals Heinkel fac tory did however build small number additional 45s including few called 61 Nationalist China war-pilot training facet RussoGerman military cooperation ended fall 1932 much equipment Lipetsk including early 45 planes sent back Germany Some testing continued Russia until summer 1933 escalating tensions between Nazis Soviets aborted well After lengthy negotiations older airplanes handed over Russians 172 Model Aviation RAND NEW TRAINERS WITH RADI ALREADY FLYING01 AND ENGINE INSTALLED-OnIYS300 j FUTABA 4NLw/4S38 SERVOSl OTTS R/C PARADISE 80893512061 660 KAUMANA Dr HILOHi 967201 CARBON MAT SAMPLE 2 OR 5 OZISO YD SEND $100 EACH TO AEROSPACE COMPOSITE PRODUCTS PO Box 16621 Ervine CA 92714 4 4 L4TNES PRECISION INSTRUMEETS MILS MET$LS B00K5 Ch f1iJCMPlELL - COMPLETE CATROOC $200 DLS CD 2220Seloo Rood Spongfo2d 2Coo 4550$ Opa 13 3228562 * SCALE DOCUMENTATION * URINGAL ~NGS OS ____-REPLA-TECH 1987 ~INTRNATIONAL AIRPLANE48500 MC KENZIE HWY CATALOG $250 VIDA OREGON 97488 rest flown back Germany end 1934 about 150 45s service primarily c d variants employed 750-hp BMW VI 73 engine As 1936 began Hem kels design probably com monly used Germanys military air planes 45s used training reconnaissance bombing flying test-bed engine installations summer 1936 saw last 45s go production total 512 built since Heinkel first introduced 70 come out designers own factory July 1936 civil war broke out Spain Germany opportunistically sprang test its new airplanes tactics action first units formed Condor LegionGermans fighting Spanish nationalists supposed civilians reconnaissance squadron six 45c planes March 1937 Spanish Na tionalist air force units deploying still Heinkels c bombers strafing bombing reconnaissance total 40 saw action Spains war although Heinkel 45s gradually replaced higher-performance Henschel Hs-1 26s meantime back Germany 45s used 12 reconnaissance units formed 1937 However progress aviation dooming old biplane Preempted monoplanes larger en gines better streamlining 45 become vanishing breed time Germany attacked Poland September 1939 time number 45s seeing action shrunk about dozen Yet few years later throughout terrible fighting winter 1942-43 45 brought out semi-retire ment brief flare action fall year Germany had shortage planes suitable nighttime harassing raidsagainst front-line troops time ally Soviet Union Several units 45s formed Rossoch river Don route German army toward Stalingrad During long winter then-obsolete warplanes carried 110lb 154-lb incendiary fragmen tation bombs before being retired good following spring Thus ironic quirk fate warplane begun its career under friendly Soviet mantle flew its last actions decade later slipped across Russian lines night attack members army once trained FF Indoor/Tenny Continued page 75 dates contact Les 995 Mclntire St Boulder CO 80303 phone 303 499-0946 about other guys Tell us about site Flying updates Santa Ana hangar venue Tustin Indoor Model Airplane Club has slightly modified July 4 weekend meet will FAI regional meet full motors addition Labor Day meet will FAI team-selection finals International meet Contest Flemalle Belgium International Indoor event proxy entries invited will held August 1987 details contact F L Van Hauwaert 1 Grand Place Box 524110 Flemalle Belgium Announcement courtesy Bill Hannans Outreach Sheet get order stuff Bill Hannan PO Box Escondido CA 92025 Oakland Cloud Dusters arise Any ex-member Cloud Dusters anyone knowing locate ex-members requested contact George Xenakis 1288 Oak Knoll Drive San Jose CA 95129 phone 408 996-0650 Cloud Dusters holding fiftieth anniversary banquet Saturday evening June 13 1987 Shenanigans Restaurant Oakland CA Hand-Launched Glider tips seldom get feedback info tips IHLG fliers hasnt anything column However have few own listen up discouraging things can see almost perfectly-trimmed IHLG breaking glide tiny stall damps out quickly after losing couple feet altitude Check wings slight warp especially near tip should have equal slight washout negative angie attack both tips What happens minor turbulence causes tip stall slightly breaking glide path Glider should coming slightly nosehigh minimum sink rate kind stall deadly does model lose altitude takes get back step again same reason never warp tip trailing edge down try control turn Tip weight stab tilt rudder can used Just remember Turn generated stab tilt essentially independent model speed tip weight nearly Rudder adjustment very speed-dependent model slows up get step may lose turn stall bracing promised discuss both bracing special bracing setup time certain other concerns have eaten up lot space lot personal time So lets hold bracing theme just examine bracing fixture use field repair complete rig consists fuselage cradle Figure 1 two multiptirpose stands Figure 2 tail boom stand Figure 3 four parts allow install kind wing tail bracing almost size model will see next time Since rig modular will fit very reasonably sized box can take along contest field repair needed limits model size dictated distance between vertical wires Figure 2 distance should least longer widest wing chord expect have height length vertical wires stand must enough raise section wing high need during bracing will see next time big stands set eight inches top wires 7Y2 between wires stand 10 tall 9 wide should accommodate fattest FAI wings work almost size Indoor Stick brave enough build photos shows stands use field repairnote gap built-up tail boom work surface needs fairly flat case FAI model box stands cradle have fastened down dead $1400 U m U battery U U pack. U U .a dead $30000 airplane prevent this. Voltmaster sophisticated precision voltmeter accurate expensive laboratory unit can confident readings gives true Unique features include -Four voltage ranges -Load Engage switch important determining cell condition -Load Status switch two different loads 200 ma 500 ma 26K18 Voltruaster Kit$2795 26K18C Voltmaster Asbld$3795 r k y"- --- first must order direct Astage handling Iiqme catalog $200I II I IPOBw511CUHggmsvdtc Mo L.rnu.rnm uly1987 173