This CL Precision Aerobatics model fora 40 comes us Strass bourg France state-of-the-art central Europe appears have qualities perform fully pilots ability AFTER having built several semi-scale Stunt models decided try hand true Precision Aerobatics plane wanted design model would somewhat responsive performing maneuvers patterns required fuselage straight possible parallel its fore aft axis would go through its paces ease planned model around best technical data available really fine aerobatics ship keeping mind kind elegance form shape completed design produced Stilomag represents 17 years aircraft modeling experi ence Engine engine chose HP 40 GCwhich light small easy handle has additional advantage adjustable exhaust outlet moving muffler outside planes rotation line tension maintained less wing tip weight light weight muffler added provide both quiet ness pressure fuel tank Pressurizing fuel tank necessary neutralize differences between normal level flight verted maneuvers found very impor tant because HP 40 GC has tendency sensitive used several other items own design First original carburetor replaced similar type used ST 46 05 40 Secondly aluminum shaft exten sion used type engine use Stilomag its exact placing nose fuselage will course alter needs Wing Tail wing has completely sheeted 3/32 balsa maintain flat surface rather concave look usually occurs open framework wings good deal care needs made selecting good light balsa sheeting type use super-light weighing oz 4 36 sheet sheets butt-glued together make complete wing skin prior covering also chose heavier balsa outer wing construction Before adding wing tip weight imagine outer wing weighs about nner wing Lightening holes added ribs aid overall weight reduction inner wing fitted adjustable leadOut guide outer wing has hole added tip weight model uses 3-in Veco bellcrank special aluminum bellcrank mount shown plans Note bellcrank supported -in aluminum tube lined 52 Model Aviation CONTROL SPECIALrIES ADJUSTABLE LEAD OUT GUIDE II 5/15 TIP SHAPE SOFT BLOCK TDPS BOTTOM CUT DUDS HOLLOW ALL SHEETINA 3/32BALSS1/B BRASS TUBE IIIII 3/BBALSA II IIIIIII MDIBBT II L Ai3A RiDA IIIIBELLDJW5 BODS1S DO TANK IIII II PIANO WIRE10DB TI-HI BRASSIPlIA III PRETLRE D4OTREBRASS _ 4 IIIiIIIII11SLASSCLD*_ OII II I L 40102 II I I I i _____IIIIIIIIII 3/~ISA IIIBLINDS SILUEK SOLDER IIIII IRiSIRiSRiIRORiDIRilIR1KB1KBIIRT RK IRO~jR3 -C~DENCICK NSS/BUSIN_________ _____ /B LOWODEBOA Ri BOOT BIBPA I 31BCARB4AN_________/2BULSAIRD RiG TP I 2 B1 1/lB PLOACOR- -BOA OUTBSARD WINO 1 SHORTER 3132 P15240 WIDE R1B OP RB FAAIgpy RD ARE hARIhLLLflft 1/2 BALSA IK5B LRl K L BI3/EBALSA II LR1 N r I1/15 OSHIETINS I I DEREITO MBA DEDALKEB RUBI BIII III 1RR2jJ\ ITE 3/1K BALSA /1KPLO DGJBLEKS IIEND HIRE KBI F- ~-~-= III RUBI I RUBDIBBALSA 1K BLISS N SILOER DOLDEK 1/B P15240 WIDE 3/32 P1500 WIRE I_YT~ 2B 440 SEOEW.M440 STREW INSERT IK/LON 3I3US/UDLSl/L3/32 PASO WRE 3/B BALSA 3/lEBALSA\\3/1EKALSA -L5~3/32BAL04 K 42SB BALSA IS/372/IBALUMINIUM ___ KALUM~~ti MOUNT 2/ES/lK0401/2 LOSCREWS UBA I/O PLO II____________________I lII6PLOWOOD 1IIJ~--FOB *- 4 40l/2LSOCOEWit- -r~K FIB/INK iIPAO SOLD CUP 5/B SHAFT EUTENSION S 0/ TASK AR EXHAUST-l/FPLY LI \\END HERE21//B BATTOM21 1/TOPLOI140 PIANO WIRE -I 040 BKASD&SILAEK SOLDER SIBBALSAN 20 BALSAI 1/TOPLO4 0 LU lB SCREW UWEELS SElL KKAFTHIF0345N LI 31K SD BALSA3/1KFURELAUE SIDESLj * TILUDMAD *42* DESIGNED B BRAWN NY ORES FERNANDEZ RABA\ 1/15 35 WILLIAMS TAJLWHEOL ALL RIBS I/N OSLOS 1 C I C, N m z C w m C m m m -S V CD -L N CB ALL WOOD IS BALSA UNLESS OTHERWISE SPECIFIED plastic insert reduces friction helps prevent excess play controls mount secured 3/16-in plywood support glued between upper lower wing spars Two 1/32 plywood doublers glued cover both bellcrank support sparsto ensure good strong mounting Note wing built shorter right side outer wing finished weight wing including flaps bellcrank etc including tissue covering paint less 13 oz elevator stabilizer quite thick root helps reduce air speed build up model diving tail surfaces built same manner wing keep mind must kept light must exceed 2 oz including hardware control horn elevator made music wire see plan attached aluminum sliding fork helps making adjustments hatch rear fuselage allows means making adjustments best ratio Stilomag seems 380/450 pushrod made 5/32-in outside diameter aluminum tubing both lighter stiffer music wire Again remind keep tail section light balance point seems best situated 2 behind root leading edge Fuselage landing gear fuselage cross section somewhat egg-shaped though canopy low does give impression being squashed Study plan carefully cross section views former locations should aid building little explanation sure place wings horizontal stabilizer exactly shown canopy shaped around form edges cut balsa no seam would show replaced original hubs 2-in wheels new magnesium hubs fashioned myself wheel fairings made light balsa Continued page 121 54 Model Aviation little care cockpit desailingano pilot Igureadds immeasur ably planes appearance Everything counts competition nvrLo engine win niuirier wrong siae- HI4U Uol up Its ad justable position less wing tip weight needed Large air intake helps maintain cool-running engine Muffler pro vides quietness needed fuel tank pressure Prop shaft extender vis cowling removed pressur ized fuel tank Light construction throughout especially tail Pushrod connection control horn shows rear fuselage hatch removed System provides easy adjustments reduced drag anaing gear Talrlngs wheel pants add total impression FAI rules used Europe dont judge appearancebut still counts Engines Parts Accessories Service FOX AIRCRAFT ENGINES throttle #11500 FOX 15 Baffle Piston$ 2495 #11600 FOX 15 Schnuerle-Bushing 95 #11698 FOX l5Schnuerle 2 BB4995 #11900 FOX 193195 #12500 FOX 253195 #13500 FOX 35 Stunt3195 #13799 FOX Combat Special MK-IV 365995 FOX AIRCRAFT ENGINES throttle #21600 FOX l5Schnuerle-Bushing 21698 FOX l5Schnuerle 2DB #21 900 FOX 19 Bushing #22500 FOX 25 Bushing #23899 FOX 36RX w/Muffler5995 #24000 FOX 40 Bushing-Schnuerle 6495 #24100 FOX 40 BB Schnuerle7995 #24500 FOX 45 Bushing-Schnuerle 6495 #24000 FOX 45 BB-Schnuerle7995 #26099 FOX EAGLE7995 #26299 FOX EAGLE II Rear Exhaust12500 #21 200 FOX TWIN 120cc Short Disc 25000 5995 4195 4195 THE FOX 45 BBRC MARK-X CARBURETORS #24051 MK-X Fox 40 45$ #26051 MK-X B Fox 60 Eagle Twin #261 51 MKX C Robart Pumper #26251 MK-X 0 Tuned Pipe 50 Series Fox 19 & 25 Line 501 646-1656 F G CO 5305 TOWSON AVE FORT SMITH ARK 72901 After cone cools clean cone soap water remove flux Repeat pro cedures other cone Thats month guys rest article will appear next Speed column Meanwhile suggest practice Jerrys brazing technique described above critical difficult technique used construct ing Jerrys pipe blades have noticed flier has problems engine runs competition According tests fuel content has big effect long engine runs per tank oil nitro added fuel mixture running time proportionately shortened contrary 2% benzene unleaded gasoline added running time lengthened approximately 5% Stilomags first flight went very well lead-out adjustment center its range -oz outboard wing tip weight added models control response quite good went through its paces usually fly 015-in braided lines 65-ft long future flights will 018-in feel will slightly improve control response Gene Hempel 301 N Yale Dr Garland TX 75042 Stilomag Fernandez Continued page 54 stiffened 1/32 plywood sheet inside both weigh fter filling sanding completed entire model covered Japanese tissue model primed spray-painted several coats paint varnish followed up paste-waxing finished model weighs between 53 54 ounces paint scheme used designed give good refereiice points maneuvers engine its modified exhaust prac tically noiselessyet strong enough give fine account itself props homemade 11 x 6s large HNDRTODN~ 9 0 2 /4 YOLJI. INPOOR 4AtJD-AUJLWV W FROM TYRO MODELS RAYRIflrFMllCFl SPECIFICATIONS Wing Span 485 n Overall Length. Wing Chord 0 n Mn Oeq Wgr Wing Arne og o Engino Srzn g-Og Price $2895 yoor Hobby Onalnt ordering direct please add $2 5Otor5reight handling&inoarance Caligornra reordents odd 6% Salon Tao Manofactorod Tyro Models Thet ore Desryned Fly! StlI Aoel et $4805 PLAYBOY SENI mr t S hendireg -OR53t gh Fast realistic aerobatic kit features ABS wheelpants moulded canopy pre-bent wire Send $2500 plus $500 shipping TLC R/C PRODUCTS Rt 1 Box 282 Prospect VA 23901 P0 Box 3957 Torrance CA 90510 April 1981 121 2495 2495 2495 2495 1995 1iO L.. DR PO BOX 11511 LT2A9o641s6-7781 RUBBER STRIP FAI RUBBER 4 out S flyaff 1979 World Championships used FAI RUBBER Made USA SIZES Y 3/76 1/8 3/32 1/76 1mm 042 thick SPOOLED GROSS WT 1-4 7-V2 LBS PRICE $7250 first spool PPD US Additional spools $7250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additionalspools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog FAI Model Supply a
Edition: Model Aviation - 1981/04
Page Numbers: 52, 53, 54, 121
Edition: Model Aviation - 1981/04
Page Numbers: 52, 53, 54, 121
This CL Precision Aerobatics model fora 40 comes us Strass bourg France state-of-the-art central Europe appears have qualities perform fully pilots ability AFTER having built several semi-scale Stunt models decided try hand true Precision Aerobatics plane wanted design model would somewhat responsive performing maneuvers patterns required fuselage straight possible parallel its fore aft axis would go through its paces ease planned model around best technical data available really fine aerobatics ship keeping mind kind elegance form shape completed design produced Stilomag represents 17 years aircraft modeling experi ence Engine engine chose HP 40 GCwhich light small easy handle has additional advantage adjustable exhaust outlet moving muffler outside planes rotation line tension maintained less wing tip weight light weight muffler added provide both quiet ness pressure fuel tank Pressurizing fuel tank necessary neutralize differences between normal level flight verted maneuvers found very impor tant because HP 40 GC has tendency sensitive used several other items own design First original carburetor replaced similar type used ST 46 05 40 Secondly aluminum shaft exten sion used type engine use Stilomag its exact placing nose fuselage will course alter needs Wing Tail wing has completely sheeted 3/32 balsa maintain flat surface rather concave look usually occurs open framework wings good deal care needs made selecting good light balsa sheeting type use super-light weighing oz 4 36 sheet sheets butt-glued together make complete wing skin prior covering also chose heavier balsa outer wing construction Before adding wing tip weight imagine outer wing weighs about nner wing Lightening holes added ribs aid overall weight reduction inner wing fitted adjustable leadOut guide outer wing has hole added tip weight model uses 3-in Veco bellcrank special aluminum bellcrank mount shown plans Note bellcrank supported -in aluminum tube lined 52 Model Aviation CONTROL SPECIALrIES ADJUSTABLE LEAD OUT GUIDE II 5/15 TIP SHAPE SOFT BLOCK TDPS BOTTOM CUT DUDS HOLLOW ALL SHEETINA 3/32BALSS1/B BRASS TUBE IIIII 3/BBALSA II IIIIIII MDIBBT II L Ai3A RiDA IIIIBELLDJW5 BODS1S DO TANK IIII II PIANO WIRE10DB TI-HI BRASSIPlIA III PRETLRE D4OTREBRASS _ 4 IIIiIIIII11SLASSCLD*_ OII II I L 40102 II I I I i _____IIIIIIIIII 3/~ISA IIIBLINDS SILUEK SOLDER IIIII IRiSIRiSRiIRORiDIRilIR1KB1KBIIRT RK IRO~jR3 -C~DENCICK NSS/BUSIN_________ _____ /B LOWODEBOA Ri BOOT BIBPA I 31BCARB4AN_________/2BULSAIRD RiG TP I 2 B1 1/lB PLOACOR- -BOA OUTBSARD WINO 1 SHORTER 3132 P15240 WIDE R1B OP RB FAAIgpy RD ARE hARIhLLLflft 1/2 BALSA IK5B LRl K L BI3/EBALSA II LR1 N r I1/15 OSHIETINS I I DEREITO MBA DEDALKEB RUBI BIII III 1RR2jJ\ ITE 3/1K BALSA /1KPLO DGJBLEKS IIEND HIRE KBI F- ~-~-= III RUBI I RUBDIBBALSA 1K BLISS N SILOER DOLDEK 1/B P15240 WIDE 3/32 P1500 WIRE I_YT~ 2B 440 SEOEW.M440 STREW INSERT IK/LON 3I3US/UDLSl/L3/32 PASO WRE 3/B BALSA 3/lEBALSA\\3/1EKALSA -L5~3/32BAL04 K 42SB BALSA IS/372/IBALUMINIUM ___ KALUM~~ti MOUNT 2/ES/lK0401/2 LOSCREWS UBA I/O PLO II____________________I lII6PLOWOOD 1IIJ~--FOB *- 4 40l/2LSOCOEWit- -r~K FIB/INK iIPAO SOLD CUP 5/B SHAFT EUTENSION S 0/ TASK AR EXHAUST-l/FPLY LI \\END HERE21//B BATTOM21 1/TOPLOI140 PIANO WIRE -I 040 BKASD&SILAEK SOLDER SIBBALSAN 20 BALSAI 1/TOPLO4 0 LU lB SCREW UWEELS SElL KKAFTHIF0345N LI 31K SD BALSA3/1KFURELAUE SIDESLj * TILUDMAD *42* DESIGNED B BRAWN NY ORES FERNANDEZ RABA\ 1/15 35 WILLIAMS TAJLWHEOL ALL RIBS I/N OSLOS 1 C I C, N m z C w m C m m m -S V CD -L N CB ALL WOOD IS BALSA UNLESS OTHERWISE SPECIFIED plastic insert reduces friction helps prevent excess play controls mount secured 3/16-in plywood support glued between upper lower wing spars Two 1/32 plywood doublers glued cover both bellcrank support sparsto ensure good strong mounting Note wing built shorter right side outer wing finished weight wing including flaps bellcrank etc including tissue covering paint less 13 oz elevator stabilizer quite thick root helps reduce air speed build up model diving tail surfaces built same manner wing keep mind must kept light must exceed 2 oz including hardware control horn elevator made music wire see plan attached aluminum sliding fork helps making adjustments hatch rear fuselage allows means making adjustments best ratio Stilomag seems 380/450 pushrod made 5/32-in outside diameter aluminum tubing both lighter stiffer music wire Again remind keep tail section light balance point seems best situated 2 behind root leading edge Fuselage landing gear fuselage cross section somewhat egg-shaped though canopy low does give impression being squashed Study plan carefully cross section views former locations should aid building little explanation sure place wings horizontal stabilizer exactly shown canopy shaped around form edges cut balsa no seam would show replaced original hubs 2-in wheels new magnesium hubs fashioned myself wheel fairings made light balsa Continued page 121 54 Model Aviation little care cockpit desailingano pilot Igureadds immeasur ably planes appearance Everything counts competition nvrLo engine win niuirier wrong siae- HI4U Uol up Its ad justable position less wing tip weight needed Large air intake helps maintain cool-running engine Muffler pro vides quietness needed fuel tank pressure Prop shaft extender vis cowling removed pressur ized fuel tank Light construction throughout especially tail Pushrod connection control horn shows rear fuselage hatch removed System provides easy adjustments reduced drag anaing gear Talrlngs wheel pants add total impression FAI rules used Europe dont judge appearancebut still counts Engines Parts Accessories Service FOX AIRCRAFT ENGINES throttle #11500 FOX 15 Baffle Piston$ 2495 #11600 FOX 15 Schnuerle-Bushing 95 #11698 FOX l5Schnuerle 2 BB4995 #11900 FOX 193195 #12500 FOX 253195 #13500 FOX 35 Stunt3195 #13799 FOX Combat Special MK-IV 365995 FOX AIRCRAFT ENGINES throttle #21600 FOX l5Schnuerle-Bushing 21698 FOX l5Schnuerle 2DB #21 900 FOX 19 Bushing #22500 FOX 25 Bushing #23899 FOX 36RX w/Muffler5995 #24000 FOX 40 Bushing-Schnuerle 6495 #24100 FOX 40 BB Schnuerle7995 #24500 FOX 45 Bushing-Schnuerle 6495 #24000 FOX 45 BB-Schnuerle7995 #26099 FOX EAGLE7995 #26299 FOX EAGLE II Rear Exhaust12500 #21 200 FOX TWIN 120cc Short Disc 25000 5995 4195 4195 THE FOX 45 BBRC MARK-X CARBURETORS #24051 MK-X Fox 40 45$ #26051 MK-X B Fox 60 Eagle Twin #261 51 MKX C Robart Pumper #26251 MK-X 0 Tuned Pipe 50 Series Fox 19 & 25 Line 501 646-1656 F G CO 5305 TOWSON AVE FORT SMITH ARK 72901 After cone cools clean cone soap water remove flux Repeat pro cedures other cone Thats month guys rest article will appear next Speed column Meanwhile suggest practice Jerrys brazing technique described above critical difficult technique used construct ing Jerrys pipe blades have noticed flier has problems engine runs competition According tests fuel content has big effect long engine runs per tank oil nitro added fuel mixture running time proportionately shortened contrary 2% benzene unleaded gasoline added running time lengthened approximately 5% Stilomags first flight went very well lead-out adjustment center its range -oz outboard wing tip weight added models control response quite good went through its paces usually fly 015-in braided lines 65-ft long future flights will 018-in feel will slightly improve control response Gene Hempel 301 N Yale Dr Garland TX 75042 Stilomag Fernandez Continued page 54 stiffened 1/32 plywood sheet inside both weigh fter filling sanding completed entire model covered Japanese tissue model primed spray-painted several coats paint varnish followed up paste-waxing finished model weighs between 53 54 ounces paint scheme used designed give good refereiice points maneuvers engine its modified exhaust prac tically noiselessyet strong enough give fine account itself props homemade 11 x 6s large HNDRTODN~ 9 0 2 /4 YOLJI. INPOOR 4AtJD-AUJLWV W FROM TYRO MODELS RAYRIflrFMllCFl SPECIFICATIONS Wing Span 485 n Overall Length. Wing Chord 0 n Mn Oeq Wgr Wing Arne og o Engino Srzn g-Og Price $2895 yoor Hobby Onalnt ordering direct please add $2 5Otor5reight handling&inoarance Caligornra reordents odd 6% Salon Tao Manofactorod Tyro Models Thet ore Desryned Fly! StlI Aoel et $4805 PLAYBOY SENI mr t S hendireg -OR53t gh Fast realistic aerobatic kit features ABS wheelpants moulded canopy pre-bent wire Send $2500 plus $500 shipping TLC R/C PRODUCTS Rt 1 Box 282 Prospect VA 23901 P0 Box 3957 Torrance CA 90510 April 1981 121 2495 2495 2495 2495 1995 1iO L.. DR PO BOX 11511 LT2A9o641s6-7781 RUBBER STRIP FAI RUBBER 4 out S flyaff 1979 World Championships used FAI RUBBER Made USA SIZES Y 3/76 1/8 3/32 1/76 1mm 042 thick SPOOLED GROSS WT 1-4 7-V2 LBS PRICE $7250 first spool PPD US Additional spools $7250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additionalspools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog FAI Model Supply a
Edition: Model Aviation - 1981/04
Page Numbers: 52, 53, 54, 121
This CL Precision Aerobatics model fora 40 comes us Strass bourg France state-of-the-art central Europe appears have qualities perform fully pilots ability AFTER having built several semi-scale Stunt models decided try hand true Precision Aerobatics plane wanted design model would somewhat responsive performing maneuvers patterns required fuselage straight possible parallel its fore aft axis would go through its paces ease planned model around best technical data available really fine aerobatics ship keeping mind kind elegance form shape completed design produced Stilomag represents 17 years aircraft modeling experi ence Engine engine chose HP 40 GCwhich light small easy handle has additional advantage adjustable exhaust outlet moving muffler outside planes rotation line tension maintained less wing tip weight light weight muffler added provide both quiet ness pressure fuel tank Pressurizing fuel tank necessary neutralize differences between normal level flight verted maneuvers found very impor tant because HP 40 GC has tendency sensitive used several other items own design First original carburetor replaced similar type used ST 46 05 40 Secondly aluminum shaft exten sion used type engine use Stilomag its exact placing nose fuselage will course alter needs Wing Tail wing has completely sheeted 3/32 balsa maintain flat surface rather concave look usually occurs open framework wings good deal care needs made selecting good light balsa sheeting type use super-light weighing oz 4 36 sheet sheets butt-glued together make complete wing skin prior covering also chose heavier balsa outer wing construction Before adding wing tip weight imagine outer wing weighs about nner wing Lightening holes added ribs aid overall weight reduction inner wing fitted adjustable leadOut guide outer wing has hole added tip weight model uses 3-in Veco bellcrank special aluminum bellcrank mount shown plans Note bellcrank supported -in aluminum tube lined 52 Model Aviation CONTROL SPECIALrIES ADJUSTABLE LEAD OUT GUIDE II 5/15 TIP SHAPE SOFT BLOCK TDPS BOTTOM CUT DUDS HOLLOW ALL SHEETINA 3/32BALSS1/B BRASS TUBE IIIII 3/BBALSA II IIIIIII MDIBBT II L Ai3A RiDA IIIIBELLDJW5 BODS1S DO TANK IIII II PIANO WIRE10DB TI-HI BRASSIPlIA III PRETLRE D4OTREBRASS _ 4 IIIiIIIII11SLASSCLD*_ OII II I L 40102 II I I I i _____IIIIIIIIII 3/~ISA IIIBLINDS SILUEK SOLDER IIIII IRiSIRiSRiIRORiDIRilIR1KB1KBIIRT RK IRO~jR3 -C~DENCICK NSS/BUSIN_________ _____ /B LOWODEBOA Ri BOOT BIBPA I 31BCARB4AN_________/2BULSAIRD RiG TP I 2 B1 1/lB PLOACOR- -BOA OUTBSARD WINO 1 SHORTER 3132 P15240 WIDE R1B OP RB FAAIgpy RD ARE hARIhLLLflft 1/2 BALSA IK5B LRl K L BI3/EBALSA II LR1 N r I1/15 OSHIETINS I I DEREITO MBA DEDALKEB RUBI BIII III 1RR2jJ\ ITE 3/1K BALSA /1KPLO DGJBLEKS IIEND HIRE KBI F- ~-~-= III RUBI I RUBDIBBALSA 1K BLISS N SILOER DOLDEK 1/B P15240 WIDE 3/32 P1500 WIRE I_YT~ 2B 440 SEOEW.M440 STREW INSERT IK/LON 3I3US/UDLSl/L3/32 PASO WRE 3/B BALSA 3/lEBALSA\\3/1EKALSA -L5~3/32BAL04 K 42SB BALSA IS/372/IBALUMINIUM ___ KALUM~~ti MOUNT 2/ES/lK0401/2 LOSCREWS UBA I/O PLO II____________________I lII6PLOWOOD 1IIJ~--FOB *- 4 40l/2LSOCOEWit- -r~K FIB/INK iIPAO SOLD CUP 5/B SHAFT EUTENSION S 0/ TASK AR EXHAUST-l/FPLY LI \\END HERE21//B BATTOM21 1/TOPLOI140 PIANO WIRE -I 040 BKASD&SILAEK SOLDER SIBBALSAN 20 BALSAI 1/TOPLO4 0 LU lB SCREW UWEELS SElL KKAFTHIF0345N LI 31K SD BALSA3/1KFURELAUE SIDESLj * TILUDMAD *42* DESIGNED B BRAWN NY ORES FERNANDEZ RABA\ 1/15 35 WILLIAMS TAJLWHEOL ALL RIBS I/N OSLOS 1 C I C, N m z C w m C m m m -S V CD -L N CB ALL WOOD IS BALSA UNLESS OTHERWISE SPECIFIED plastic insert reduces friction helps prevent excess play controls mount secured 3/16-in plywood support glued between upper lower wing spars Two 1/32 plywood doublers glued cover both bellcrank support sparsto ensure good strong mounting Note wing built shorter right side outer wing finished weight wing including flaps bellcrank etc including tissue covering paint less 13 oz elevator stabilizer quite thick root helps reduce air speed build up model diving tail surfaces built same manner wing keep mind must kept light must exceed 2 oz including hardware control horn elevator made music wire see plan attached aluminum sliding fork helps making adjustments hatch rear fuselage allows means making adjustments best ratio Stilomag seems 380/450 pushrod made 5/32-in outside diameter aluminum tubing both lighter stiffer music wire Again remind keep tail section light balance point seems best situated 2 behind root leading edge Fuselage landing gear fuselage cross section somewhat egg-shaped though canopy low does give impression being squashed Study plan carefully cross section views former locations should aid building little explanation sure place wings horizontal stabilizer exactly shown canopy shaped around form edges cut balsa no seam would show replaced original hubs 2-in wheels new magnesium hubs fashioned myself wheel fairings made light balsa Continued page 121 54 Model Aviation little care cockpit desailingano pilot Igureadds immeasur ably planes appearance Everything counts competition nvrLo engine win niuirier wrong siae- HI4U Uol up Its ad justable position less wing tip weight needed Large air intake helps maintain cool-running engine Muffler pro vides quietness needed fuel tank pressure Prop shaft extender vis cowling removed pressur ized fuel tank Light construction throughout especially tail Pushrod connection control horn shows rear fuselage hatch removed System provides easy adjustments reduced drag anaing gear Talrlngs wheel pants add total impression FAI rules used Europe dont judge appearancebut still counts Engines Parts Accessories Service FOX AIRCRAFT ENGINES throttle #11500 FOX 15 Baffle Piston$ 2495 #11600 FOX 15 Schnuerle-Bushing 95 #11698 FOX l5Schnuerle 2 BB4995 #11900 FOX 193195 #12500 FOX 253195 #13500 FOX 35 Stunt3195 #13799 FOX Combat Special MK-IV 365995 FOX AIRCRAFT ENGINES throttle #21600 FOX l5Schnuerle-Bushing 21698 FOX l5Schnuerle 2DB #21 900 FOX 19 Bushing #22500 FOX 25 Bushing #23899 FOX 36RX w/Muffler5995 #24000 FOX 40 Bushing-Schnuerle 6495 #24100 FOX 40 BB Schnuerle7995 #24500 FOX 45 Bushing-Schnuerle 6495 #24000 FOX 45 BB-Schnuerle7995 #26099 FOX EAGLE7995 #26299 FOX EAGLE II Rear Exhaust12500 #21 200 FOX TWIN 120cc Short Disc 25000 5995 4195 4195 THE FOX 45 BBRC MARK-X CARBURETORS #24051 MK-X Fox 40 45$ #26051 MK-X B Fox 60 Eagle Twin #261 51 MKX C Robart Pumper #26251 MK-X 0 Tuned Pipe 50 Series Fox 19 & 25 Line 501 646-1656 F G CO 5305 TOWSON AVE FORT SMITH ARK 72901 After cone cools clean cone soap water remove flux Repeat pro cedures other cone Thats month guys rest article will appear next Speed column Meanwhile suggest practice Jerrys brazing technique described above critical difficult technique used construct ing Jerrys pipe blades have noticed flier has problems engine runs competition According tests fuel content has big effect long engine runs per tank oil nitro added fuel mixture running time proportionately shortened contrary 2% benzene unleaded gasoline added running time lengthened approximately 5% Stilomags first flight went very well lead-out adjustment center its range -oz outboard wing tip weight added models control response quite good went through its paces usually fly 015-in braided lines 65-ft long future flights will 018-in feel will slightly improve control response Gene Hempel 301 N Yale Dr Garland TX 75042 Stilomag Fernandez Continued page 54 stiffened 1/32 plywood sheet inside both weigh fter filling sanding completed entire model covered Japanese tissue model primed spray-painted several coats paint varnish followed up paste-waxing finished model weighs between 53 54 ounces paint scheme used designed give good refereiice points maneuvers engine its modified exhaust prac tically noiselessyet strong enough give fine account itself props homemade 11 x 6s large HNDRTODN~ 9 0 2 /4 YOLJI. INPOOR 4AtJD-AUJLWV W FROM TYRO MODELS RAYRIflrFMllCFl SPECIFICATIONS Wing Span 485 n Overall Length. Wing Chord 0 n Mn Oeq Wgr Wing Arne og o Engino Srzn g-Og Price $2895 yoor Hobby Onalnt ordering direct please add $2 5Otor5reight handling&inoarance Caligornra reordents odd 6% Salon Tao Manofactorod Tyro Models Thet ore Desryned Fly! StlI Aoel et $4805 PLAYBOY SENI mr t S hendireg -OR53t gh Fast realistic aerobatic kit features ABS wheelpants moulded canopy pre-bent wire Send $2500 plus $500 shipping TLC R/C PRODUCTS Rt 1 Box 282 Prospect VA 23901 P0 Box 3957 Torrance CA 90510 April 1981 121 2495 2495 2495 2495 1995 1iO L.. DR PO BOX 11511 LT2A9o641s6-7781 RUBBER STRIP FAI RUBBER 4 out S flyaff 1979 World Championships used FAI RUBBER Made USA SIZES Y 3/76 1/8 3/32 1/76 1mm 042 thick SPOOLED GROSS WT 1-4 7-V2 LBS PRICE $7250 first spool PPD US Additional spools $7250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additionalspools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog FAI Model Supply a
Edition: Model Aviation - 1981/04
Page Numbers: 52, 53, 54, 121
This CL Precision Aerobatics model fora 40 comes us Strass bourg France state-of-the-art central Europe appears have qualities perform fully pilots ability AFTER having built several semi-scale Stunt models decided try hand true Precision Aerobatics plane wanted design model would somewhat responsive performing maneuvers patterns required fuselage straight possible parallel its fore aft axis would go through its paces ease planned model around best technical data available really fine aerobatics ship keeping mind kind elegance form shape completed design produced Stilomag represents 17 years aircraft modeling experi ence Engine engine chose HP 40 GCwhich light small easy handle has additional advantage adjustable exhaust outlet moving muffler outside planes rotation line tension maintained less wing tip weight light weight muffler added provide both quiet ness pressure fuel tank Pressurizing fuel tank necessary neutralize differences between normal level flight verted maneuvers found very impor tant because HP 40 GC has tendency sensitive used several other items own design First original carburetor replaced similar type used ST 46 05 40 Secondly aluminum shaft exten sion used type engine use Stilomag its exact placing nose fuselage will course alter needs Wing Tail wing has completely sheeted 3/32 balsa maintain flat surface rather concave look usually occurs open framework wings good deal care needs made selecting good light balsa sheeting type use super-light weighing oz 4 36 sheet sheets butt-glued together make complete wing skin prior covering also chose heavier balsa outer wing construction Before adding wing tip weight imagine outer wing weighs about nner wing Lightening holes added ribs aid overall weight reduction inner wing fitted adjustable leadOut guide outer wing has hole added tip weight model uses 3-in Veco bellcrank special aluminum bellcrank mount shown plans Note bellcrank supported -in aluminum tube lined 52 Model Aviation CONTROL SPECIALrIES ADJUSTABLE LEAD OUT GUIDE II 5/15 TIP SHAPE SOFT BLOCK TDPS BOTTOM CUT DUDS HOLLOW ALL SHEETINA 3/32BALSS1/B BRASS TUBE IIIII 3/BBALSA II IIIIIII MDIBBT II L Ai3A RiDA IIIIBELLDJW5 BODS1S DO TANK IIII II PIANO WIRE10DB TI-HI BRASSIPlIA III PRETLRE D4OTREBRASS _ 4 IIIiIIIII11SLASSCLD*_ OII II I L 40102 II I I I i _____IIIIIIIIII 3/~ISA IIIBLINDS SILUEK SOLDER IIIII IRiSIRiSRiIRORiDIRilIR1KB1KBIIRT RK IRO~jR3 -C~DENCICK NSS/BUSIN_________ _____ /B LOWODEBOA Ri BOOT BIBPA I 31BCARB4AN_________/2BULSAIRD RiG TP I 2 B1 1/lB PLOACOR- -BOA OUTBSARD WINO 1 SHORTER 3132 P15240 WIDE R1B OP RB FAAIgpy RD ARE hARIhLLLflft 1/2 BALSA IK5B LRl K L BI3/EBALSA II LR1 N r I1/15 OSHIETINS I I DEREITO MBA DEDALKEB RUBI BIII III 1RR2jJ\ ITE 3/1K BALSA /1KPLO DGJBLEKS IIEND HIRE KBI F- ~-~-= III RUBI I RUBDIBBALSA 1K BLISS N SILOER DOLDEK 1/B P15240 WIDE 3/32 P1500 WIRE I_YT~ 2B 440 SEOEW.M440 STREW INSERT IK/LON 3I3US/UDLSl/L3/32 PASO WRE 3/B BALSA 3/lEBALSA\\3/1EKALSA -L5~3/32BAL04 K 42SB BALSA IS/372/IBALUMINIUM ___ KALUM~~ti MOUNT 2/ES/lK0401/2 LOSCREWS UBA I/O PLO II____________________I lII6PLOWOOD 1IIJ~--FOB *- 4 40l/2LSOCOEWit- -r~K FIB/INK iIPAO SOLD CUP 5/B SHAFT EUTENSION S 0/ TASK AR EXHAUST-l/FPLY LI \\END HERE21//B BATTOM21 1/TOPLOI140 PIANO WIRE -I 040 BKASD&SILAEK SOLDER SIBBALSAN 20 BALSAI 1/TOPLO4 0 LU lB SCREW UWEELS SElL KKAFTHIF0345N LI 31K SD BALSA3/1KFURELAUE SIDESLj * TILUDMAD *42* DESIGNED B BRAWN NY ORES FERNANDEZ RABA\ 1/15 35 WILLIAMS TAJLWHEOL ALL RIBS I/N OSLOS 1 C I C, N m z C w m C m m m -S V CD -L N CB ALL WOOD IS BALSA UNLESS OTHERWISE SPECIFIED plastic insert reduces friction helps prevent excess play controls mount secured 3/16-in plywood support glued between upper lower wing spars Two 1/32 plywood doublers glued cover both bellcrank support sparsto ensure good strong mounting Note wing built shorter right side outer wing finished weight wing including flaps bellcrank etc including tissue covering paint less 13 oz elevator stabilizer quite thick root helps reduce air speed build up model diving tail surfaces built same manner wing keep mind must kept light must exceed 2 oz including hardware control horn elevator made music wire see plan attached aluminum sliding fork helps making adjustments hatch rear fuselage allows means making adjustments best ratio Stilomag seems 380/450 pushrod made 5/32-in outside diameter aluminum tubing both lighter stiffer music wire Again remind keep tail section light balance point seems best situated 2 behind root leading edge Fuselage landing gear fuselage cross section somewhat egg-shaped though canopy low does give impression being squashed Study plan carefully cross section views former locations should aid building little explanation sure place wings horizontal stabilizer exactly shown canopy shaped around form edges cut balsa no seam would show replaced original hubs 2-in wheels new magnesium hubs fashioned myself wheel fairings made light balsa Continued page 121 54 Model Aviation little care cockpit desailingano pilot Igureadds immeasur ably planes appearance Everything counts competition nvrLo engine win niuirier wrong siae- HI4U Uol up Its ad justable position less wing tip weight needed Large air intake helps maintain cool-running engine Muffler pro vides quietness needed fuel tank pressure Prop shaft extender vis cowling removed pressur ized fuel tank Light construction throughout especially tail Pushrod connection control horn shows rear fuselage hatch removed System provides easy adjustments reduced drag anaing gear Talrlngs wheel pants add total impression FAI rules used Europe dont judge appearancebut still counts Engines Parts Accessories Service FOX AIRCRAFT ENGINES throttle #11500 FOX 15 Baffle Piston$ 2495 #11600 FOX 15 Schnuerle-Bushing 95 #11698 FOX l5Schnuerle 2 BB4995 #11900 FOX 193195 #12500 FOX 253195 #13500 FOX 35 Stunt3195 #13799 FOX Combat Special MK-IV 365995 FOX AIRCRAFT ENGINES throttle #21600 FOX l5Schnuerle-Bushing 21698 FOX l5Schnuerle 2DB #21 900 FOX 19 Bushing #22500 FOX 25 Bushing #23899 FOX 36RX w/Muffler5995 #24000 FOX 40 Bushing-Schnuerle 6495 #24100 FOX 40 BB Schnuerle7995 #24500 FOX 45 Bushing-Schnuerle 6495 #24000 FOX 45 BB-Schnuerle7995 #26099 FOX EAGLE7995 #26299 FOX EAGLE II Rear Exhaust12500 #21 200 FOX TWIN 120cc Short Disc 25000 5995 4195 4195 THE FOX 45 BBRC MARK-X CARBURETORS #24051 MK-X Fox 40 45$ #26051 MK-X B Fox 60 Eagle Twin #261 51 MKX C Robart Pumper #26251 MK-X 0 Tuned Pipe 50 Series Fox 19 & 25 Line 501 646-1656 F G CO 5305 TOWSON AVE FORT SMITH ARK 72901 After cone cools clean cone soap water remove flux Repeat pro cedures other cone Thats month guys rest article will appear next Speed column Meanwhile suggest practice Jerrys brazing technique described above critical difficult technique used construct ing Jerrys pipe blades have noticed flier has problems engine runs competition According tests fuel content has big effect long engine runs per tank oil nitro added fuel mixture running time proportionately shortened contrary 2% benzene unleaded gasoline added running time lengthened approximately 5% Stilomags first flight went very well lead-out adjustment center its range -oz outboard wing tip weight added models control response quite good went through its paces usually fly 015-in braided lines 65-ft long future flights will 018-in feel will slightly improve control response Gene Hempel 301 N Yale Dr Garland TX 75042 Stilomag Fernandez Continued page 54 stiffened 1/32 plywood sheet inside both weigh fter filling sanding completed entire model covered Japanese tissue model primed spray-painted several coats paint varnish followed up paste-waxing finished model weighs between 53 54 ounces paint scheme used designed give good refereiice points maneuvers engine its modified exhaust prac tically noiselessyet strong enough give fine account itself props homemade 11 x 6s large HNDRTODN~ 9 0 2 /4 YOLJI. INPOOR 4AtJD-AUJLWV W FROM TYRO MODELS RAYRIflrFMllCFl SPECIFICATIONS Wing Span 485 n Overall Length. Wing Chord 0 n Mn Oeq Wgr Wing Arne og o Engino Srzn g-Og Price $2895 yoor Hobby Onalnt ordering direct please add $2 5Otor5reight handling&inoarance Caligornra reordents odd 6% Salon Tao Manofactorod Tyro Models Thet ore Desryned Fly! StlI Aoel et $4805 PLAYBOY SENI mr t S hendireg -OR53t gh Fast realistic aerobatic kit features ABS wheelpants moulded canopy pre-bent wire Send $2500 plus $500 shipping TLC R/C PRODUCTS Rt 1 Box 282 Prospect VA 23901 P0 Box 3957 Torrance CA 90510 April 1981 121 2495 2495 2495 2495 1995 1iO L.. DR PO BOX 11511 LT2A9o641s6-7781 RUBBER STRIP FAI RUBBER 4 out S flyaff 1979 World Championships used FAI RUBBER Made USA SIZES Y 3/76 1/8 3/32 1/76 1mm 042 thick SPOOLED GROSS WT 1-4 7-V2 LBS PRICE $7250 first spool PPD US Additional spools $7250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additionalspools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog FAI Model Supply a
