Aero balks 0 Wynn RuI MUFFLER MANIA Precision aerobatics has leading way control-line past five years use mufflers competition Some us no doubt miss classic 2-cycle break Fox 35 whine straight Supertigre 46 Offenhauser-like blast Bill Rutherfords unmuffled Supertigre 60 72 Nats Aside noise deadening qualities practical side muffler use muffler pressure advantages conformance FAI rules generally conceded use tap off muffler directed tank results steady runs throughout pattern Muffler selection process what can find fit rather what best muffler use about 15 various types mufflers time time may may available average stunt flier cases modeler will have words World Champion Les McDonald some cutting fitting get muffler fit engine give too much back pressure' Two brightest stars commercial mufflers recently have appearance Gene Martine Custom Master Muffler Slim Line Muffler Genes muffler being produced shop class machined alumi num bar stock long part body has finned matte finish exhaust tube opening 5/16 inch diameter adapt ers bolt onto engine two bolts muffler Max 35 Fox 35 weighs about 361 grams about 125 oz ST 46 size weighs about 3728 grams muffler delivered pressure fitting hole tapped case Tests Cali fornian Tom Lay showed drop rpm 250 muffler put Max 35 Custom Master Muffler sells $1500 plus postage available Aene Martine Southside Skill Center 2924 Knights Lane East Jackson ville FL 32216 Slim Line Muffler also machined aluminum bar stock resembles overgrown exhaust extension Sizes will fit popular engines mufler has pressure tap hole weight approximately 3/4 1 oz Cost $995 found shops Les McDonald reports has recently using Continued page 89 October 1977 33 Mufflers H Back rowJCM Air Foil large size Bill Scott Custom ST 46 Merco ST 46 Front rowChuck Delano custom chrome plated Adamisin aluminum Max 35 Bill Scott muffler Randy Scotts Stiletto Machined eluminum stock pix Paul Gene Martines Custom Master Mufflers ST 46 Max 35 disassembled tube oldstyle Max muffler duplicate machined Gene 22 hours scratch HIGH POWER ULTRA SONIC CLEANER THE INVADER 1/12th scale metal car revolution car technology Front rear wheel suspension Uses alt standard parts Car designed performance Patents applied cteaner has patented Power Pump circuit nearly doubles power over cleaners same size Required top performance 2 & 4 quart sizes No 175 21 Quart No 176 46 Quart 8 oz Detergent qt Detergent As shown less eng & radio $8850 Chassis factory assembled $76a5 PISTON SETTING TOOL CDX 049 engines HARDENED STEELANODIZED No TRA503$325 $165 $185 $1 95 $342 MUFF-L-IT SERIES Six eight Db reduction noise moat engines Proportional votumne expansion chamber Triple reflective Intermediate chamber Large exhaust ~zzle low back pressure Little loss power Available B C engines No 301 09-19 $749 No 3229- 40$839 No 303 45-80 $949 NEW 1/2A MUFFLER FIts COX 049 engines new uffler gives significant noise reduction ith very little power loss Back facing ozzle No 300A049$549 No 3008051$549 rear eshaut SCIINIERLE ennines pecially dont know what whipping really have watch pilot es tablish point view just what center rotation see relation center rotation airplane looking pilot handle goes past center rotation before plane goes past edge circle whipping plane handle go past center rotation together whip ping plane goes before handle definitely slowing down plane can produce speed-change charts rather easily interest Ill draw up couple Goodyear Slow Rat Another approach might nomograph takes vari ables account directly Interested wrtte W R Lee 3S22 Tamarisk Lane Mis souri City TX 774S9 CL Aerobatics/Paul continued page 33 cannot feel much power loss stated shortens muffler has drilled some large holes end reduce back pressure address manufacturer available shops Slim Line Mufflers 8631 E Roanoke Scottsdale AZ 85257 product review product review product review BLADE ANDAILERON GUIDC PORWIRE Kwik Hinge Slotter Completely universal tool automatically aligns guides blade perfect hinge slots Three hardened steel blades Included two both large small hinges picker cleaning out slotsall fit No 2 X-Acto knife Nylon Alignment Jig Automatic jig features three snap-on guides two large small hinges drill guide hinges ail eron wire Fits 1/8 % balsa makes right size slot hole hinge market Alignment jig attachments cost $125 Replacement blades available 35 cents Du-Bro Products Inc 480 Bonner Rd Weuconda IL 50084 product review product review product review DuBro Universal MU 795 muffler has used several Nationals qualifiers both Max 35 ST 46 Bob Whitely Rich LeRoy have utilized some slight cutting drilling fitting Air Foil muffler JCM Specialties small size 19-25 package shaped like airfoil will bolt right ST 46 Some modification needed Max Fox Fox No 90222 muffler made Fox 35 course bolts right up Musumeci Connection father son has using its Fox after re moving inside tube creating large chamber Works well cuts weight popular mufflers past couple years has Art Adamisin creation aluminum bar stock However Art injured good hand production has stalled over winter want excellent mufflers would best write Art 22454 Fairfax Taylor MI 48180 mufflers have used Bob Hunt Gene Schaffer Les McDonald Dave Hemstrought Ted Fancher Bill Fitzgerald similarity between Adamisin muffler recent Gene Martine muffler Both excellent products Semco muffler no 202 CL 2940 engines priced $1295 will bolt right up Max ST 46 weight October1977 89 \ ft I AVAILABLE SDDN M,fflae fnr see local hobby dealer t$ 4 RUBBER & CO2 WINNER AT THE 5OthNATS 7 4101 22 I/2 WINGSPAN 5695 about two ounces extension youre looking some nose weight might try standard Supertigre muffler S29B ST 46 weighs about three oz sells $1295 Also newer type OS Max mufflers come engines good nose weight small Tatone will help front-end stability after some cutting hogging fit either Max Fox some areas Enya M-200 muffler ST 46 may still available fairly light item costing about $800 Bill Werwage used some time USA-I Murphy Maxi-muffler $1095 can used desired rather large has asbestos-type covering expands higher engine rpm As best writer can find MAC Silenceair mufflers no longer being imported although may hiding some hobby shops around country may also able find old-style Max mufflers still popular East coast writer has using Merco muffler since 1971 difficult obtain will bolt right up ST 46 experimenting HP-40 engine have Dan Shafer Bill Eybers Bill Werwage could use straight HP muffler rather big heavy could Dan Shafer has cut almost A0yeors ago— p --N *108 Earl Stahls famous 28 WINGSPAN S62 Send free brochure FLYLINE MODELS 2820 DORR AVE FAIRFAX VA 22030 off HP muffler leaving some metal around extension bolt DuBro fins what left Takes little genuity works well Dan Bill Eybers converted old-style Max muffler exhaust extension bolted HP engine Bob Paul muffler has used both Bill Werwage Bob Gieseke Fox Supertigre HP 40 ever Bob has series misfortunes past Spring including ruined apart ment burst water pipe probably will get production until late Fall does get back gear lit tle muffler good Two other examples fine little home made mufflers chrome-plated ones made up Chuck DeLano Indianapolis Dennis Duvall currently using latest semi-scale MIG Bill Scott Cincinnati has created unique little muffler-extension combina tion very effective opened up drilling out holes bottom aluminum extension what its worth writers opin ion new Gene Martine muffler looks like best lot both perform ance delivery machine work beautiful muffler works un sightly Gene aware supply demand problems have hurt K COMPLETE THIS FORM AND ATrACH MAILING LABEL FROM RECENT ISSUE move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept. Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 check appropriate boxenclose payment 0 NEW SUBSCRIPTION 0 CHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NAME ADDRESS CITY/STATE _____________________________________________ ZIP _______________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 some other good products Slim Line muffler will also catch simple small available want Max 35 engine re worked let writer suggest Tom Lay regarding workmanship service communication Bob Whitely Ron Mer rill Vincent Judd Val Britton re ported turn-around service has two three weekswhich bad Tom will modify piston head ven turi needle valve hand-lap piston sleeve precision assemble engine Cost $1000 plus postage plus new parts required Tom also has available T & L custom 40 stunt engine reworked Max 35 displacement 4000037 power similar Supertigre 46 engine will drop right mount holes Max 35 will make overweight 35-size ship flyable information prices above write Tom Lay T & L Model Specialties P0 Box 6052 Torrance CA 90504 information stunt PAMPA write author Wynn Paul 1640 Maywick Dr Lexing ton KY 40504 FF Duration/Meuser continued page 37 still pretending know what doing threw cat-tail seeds possible di rection seen big-time Wakefielders What didnt hit ground hard bounced blew back face some started going up refirerl engine dropped model onto takeoff board laid nicest thermal could hope Somehow managed pull off fraud three times row other maxerEdward Eliot holds national record event bombed fourth flight mere 105 figured cinched Id have try real hard get flight bad 105 inquired loud voice what would take beat national record pondered thoughtfully whether could get maxes before end contest proceeded put model large downer mere 55 seconds comforted neat model looked landing its wheels dont have try very hard get flight bad 105 Payload Early meet Will Nakashima mentioned about run out material cartoons end Day Three enough last decade No Non-Cents Strikes Again Chalk up another four AMA national records No Non-Cents See construction article June issue Mike Van Gorder age 11 put together flight 931 under Category II ceiling height Second NIMAS International Record Trials West Baden Indiana June As 90 Model Aviation Stahl design __OGA 10% FOR PACKING AND POSTAGE VA RESIDENTS ADD 4% TAX 24 I/5 WINOSPAId 5
Edition: Model Aviation - 1977/10
Page Numbers: 33, 89, 90
Aero balks 0 Wynn RuI MUFFLER MANIA Precision aerobatics has leading way control-line past five years use mufflers competition Some us no doubt miss classic 2-cycle break Fox 35 whine straight Supertigre 46 Offenhauser-like blast Bill Rutherfords unmuffled Supertigre 60 72 Nats Aside noise deadening qualities practical side muffler use muffler pressure advantages conformance FAI rules generally conceded use tap off muffler directed tank results steady runs throughout pattern Muffler selection process what can find fit rather what best muffler use about 15 various types mufflers time time may may available average stunt flier cases modeler will have words World Champion Les McDonald some cutting fitting get muffler fit engine give too much back pressure' Two brightest stars commercial mufflers recently have appearance Gene Martine Custom Master Muffler Slim Line Muffler Genes muffler being produced shop class machined alumi num bar stock long part body has finned matte finish exhaust tube opening 5/16 inch diameter adapt ers bolt onto engine two bolts muffler Max 35 Fox 35 weighs about 361 grams about 125 oz ST 46 size weighs about 3728 grams muffler delivered pressure fitting hole tapped case Tests Cali fornian Tom Lay showed drop rpm 250 muffler put Max 35 Custom Master Muffler sells $1500 plus postage available Aene Martine Southside Skill Center 2924 Knights Lane East Jackson ville FL 32216 Slim Line Muffler also machined aluminum bar stock resembles overgrown exhaust extension Sizes will fit popular engines mufler has pressure tap hole weight approximately 3/4 1 oz Cost $995 found shops Les McDonald reports has recently using Continued page 89 October 1977 33 Mufflers H Back rowJCM Air Foil large size Bill Scott Custom ST 46 Merco ST 46 Front rowChuck Delano custom chrome plated Adamisin aluminum Max 35 Bill Scott muffler Randy Scotts Stiletto Machined eluminum stock pix Paul Gene Martines Custom Master Mufflers ST 46 Max 35 disassembled tube oldstyle Max muffler duplicate machined Gene 22 hours scratch HIGH POWER ULTRA SONIC CLEANER THE INVADER 1/12th scale metal car revolution car technology Front rear wheel suspension Uses alt standard parts Car designed performance Patents applied cteaner has patented Power Pump circuit nearly doubles power over cleaners same size Required top performance 2 & 4 quart sizes No 175 21 Quart No 176 46 Quart 8 oz Detergent qt Detergent As shown less eng & radio $8850 Chassis factory assembled $76a5 PISTON SETTING TOOL CDX 049 engines HARDENED STEELANODIZED No TRA503$325 $165 $185 $1 95 $342 MUFF-L-IT SERIES Six eight Db reduction noise moat engines Proportional votumne expansion chamber Triple reflective Intermediate chamber Large exhaust ~zzle low back pressure Little loss power Available B C engines No 301 09-19 $749 No 3229- 40$839 No 303 45-80 $949 NEW 1/2A MUFFLER FIts COX 049 engines new uffler gives significant noise reduction ith very little power loss Back facing ozzle No 300A049$549 No 3008051$549 rear eshaut SCIINIERLE ennines pecially dont know what whipping really have watch pilot es tablish point view just what center rotation see relation center rotation airplane looking pilot handle goes past center rotation before plane goes past edge circle whipping plane handle go past center rotation together whip ping plane goes before handle definitely slowing down plane can produce speed-change charts rather easily interest Ill draw up couple Goodyear Slow Rat Another approach might nomograph takes vari ables account directly Interested wrtte W R Lee 3S22 Tamarisk Lane Mis souri City TX 774S9 CL Aerobatics/Paul continued page 33 cannot feel much power loss stated shortens muffler has drilled some large holes end reduce back pressure address manufacturer available shops Slim Line Mufflers 8631 E Roanoke Scottsdale AZ 85257 product review product review product review BLADE ANDAILERON GUIDC PORWIRE Kwik Hinge Slotter Completely universal tool automatically aligns guides blade perfect hinge slots Three hardened steel blades Included two both large small hinges picker cleaning out slotsall fit No 2 X-Acto knife Nylon Alignment Jig Automatic jig features three snap-on guides two large small hinges drill guide hinges ail eron wire Fits 1/8 % balsa makes right size slot hole hinge market Alignment jig attachments cost $125 Replacement blades available 35 cents Du-Bro Products Inc 480 Bonner Rd Weuconda IL 50084 product review product review product review DuBro Universal MU 795 muffler has used several Nationals qualifiers both Max 35 ST 46 Bob Whitely Rich LeRoy have utilized some slight cutting drilling fitting Air Foil muffler JCM Specialties small size 19-25 package shaped like airfoil will bolt right ST 46 Some modification needed Max Fox Fox No 90222 muffler made Fox 35 course bolts right up Musumeci Connection father son has using its Fox after re moving inside tube creating large chamber Works well cuts weight popular mufflers past couple years has Art Adamisin creation aluminum bar stock However Art injured good hand production has stalled over winter want excellent mufflers would best write Art 22454 Fairfax Taylor MI 48180 mufflers have used Bob Hunt Gene Schaffer Les McDonald Dave Hemstrought Ted Fancher Bill Fitzgerald similarity between Adamisin muffler recent Gene Martine muffler Both excellent products Semco muffler no 202 CL 2940 engines priced $1295 will bolt right up Max ST 46 weight October1977 89 \ ft I AVAILABLE SDDN M,fflae fnr see local hobby dealer t$ 4 RUBBER & CO2 WINNER AT THE 5OthNATS 7 4101 22 I/2 WINGSPAN 5695 about two ounces extension youre looking some nose weight might try standard Supertigre muffler S29B ST 46 weighs about three oz sells $1295 Also newer type OS Max mufflers come engines good nose weight small Tatone will help front-end stability after some cutting hogging fit either Max Fox some areas Enya M-200 muffler ST 46 may still available fairly light item costing about $800 Bill Werwage used some time USA-I Murphy Maxi-muffler $1095 can used desired rather large has asbestos-type covering expands higher engine rpm As best writer can find MAC Silenceair mufflers no longer being imported although may hiding some hobby shops around country may also able find old-style Max mufflers still popular East coast writer has using Merco muffler since 1971 difficult obtain will bolt right up ST 46 experimenting HP-40 engine have Dan Shafer Bill Eybers Bill Werwage could use straight HP muffler rather big heavy could Dan Shafer has cut almost A0yeors ago— p --N *108 Earl Stahls famous 28 WINGSPAN S62 Send free brochure FLYLINE MODELS 2820 DORR AVE FAIRFAX VA 22030 off HP muffler leaving some metal around extension bolt DuBro fins what left Takes little genuity works well Dan Bill Eybers converted old-style Max muffler exhaust extension bolted HP engine Bob Paul muffler has used both Bill Werwage Bob Gieseke Fox Supertigre HP 40 ever Bob has series misfortunes past Spring including ruined apart ment burst water pipe probably will get production until late Fall does get back gear lit tle muffler good Two other examples fine little home made mufflers chrome-plated ones made up Chuck DeLano Indianapolis Dennis Duvall currently using latest semi-scale MIG Bill Scott Cincinnati has created unique little muffler-extension combina tion very effective opened up drilling out holes bottom aluminum extension what its worth writers opin ion new Gene Martine muffler looks like best lot both perform ance delivery machine work beautiful muffler works un sightly Gene aware supply demand problems have hurt K COMPLETE THIS FORM AND ATrACH MAILING LABEL FROM RECENT ISSUE move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept. Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 check appropriate boxenclose payment 0 NEW SUBSCRIPTION 0 CHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NAME ADDRESS CITY/STATE _____________________________________________ ZIP _______________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 some other good products Slim Line muffler will also catch simple small available want Max 35 engine re worked let writer suggest Tom Lay regarding workmanship service communication Bob Whitely Ron Mer rill Vincent Judd Val Britton re ported turn-around service has two three weekswhich bad Tom will modify piston head ven turi needle valve hand-lap piston sleeve precision assemble engine Cost $1000 plus postage plus new parts required Tom also has available T & L custom 40 stunt engine reworked Max 35 displacement 4000037 power similar Supertigre 46 engine will drop right mount holes Max 35 will make overweight 35-size ship flyable information prices above write Tom Lay T & L Model Specialties P0 Box 6052 Torrance CA 90504 information stunt PAMPA write author Wynn Paul 1640 Maywick Dr Lexing ton KY 40504 FF Duration/Meuser continued page 37 still pretending know what doing threw cat-tail seeds possible di rection seen big-time Wakefielders What didnt hit ground hard bounced blew back face some started going up refirerl engine dropped model onto takeoff board laid nicest thermal could hope Somehow managed pull off fraud three times row other maxerEdward Eliot holds national record event bombed fourth flight mere 105 figured cinched Id have try real hard get flight bad 105 inquired loud voice what would take beat national record pondered thoughtfully whether could get maxes before end contest proceeded put model large downer mere 55 seconds comforted neat model looked landing its wheels dont have try very hard get flight bad 105 Payload Early meet Will Nakashima mentioned about run out material cartoons end Day Three enough last decade No Non-Cents Strikes Again Chalk up another four AMA national records No Non-Cents See construction article June issue Mike Van Gorder age 11 put together flight 931 under Category II ceiling height Second NIMAS International Record Trials West Baden Indiana June As 90 Model Aviation Stahl design __OGA 10% FOR PACKING AND POSTAGE VA RESIDENTS ADD 4% TAX 24 I/5 WINOSPAId 5
Edition: Model Aviation - 1977/10
Page Numbers: 33, 89, 90
Aero balks 0 Wynn RuI MUFFLER MANIA Precision aerobatics has leading way control-line past five years use mufflers competition Some us no doubt miss classic 2-cycle break Fox 35 whine straight Supertigre 46 Offenhauser-like blast Bill Rutherfords unmuffled Supertigre 60 72 Nats Aside noise deadening qualities practical side muffler use muffler pressure advantages conformance FAI rules generally conceded use tap off muffler directed tank results steady runs throughout pattern Muffler selection process what can find fit rather what best muffler use about 15 various types mufflers time time may may available average stunt flier cases modeler will have words World Champion Les McDonald some cutting fitting get muffler fit engine give too much back pressure' Two brightest stars commercial mufflers recently have appearance Gene Martine Custom Master Muffler Slim Line Muffler Genes muffler being produced shop class machined alumi num bar stock long part body has finned matte finish exhaust tube opening 5/16 inch diameter adapt ers bolt onto engine two bolts muffler Max 35 Fox 35 weighs about 361 grams about 125 oz ST 46 size weighs about 3728 grams muffler delivered pressure fitting hole tapped case Tests Cali fornian Tom Lay showed drop rpm 250 muffler put Max 35 Custom Master Muffler sells $1500 plus postage available Aene Martine Southside Skill Center 2924 Knights Lane East Jackson ville FL 32216 Slim Line Muffler also machined aluminum bar stock resembles overgrown exhaust extension Sizes will fit popular engines mufler has pressure tap hole weight approximately 3/4 1 oz Cost $995 found shops Les McDonald reports has recently using Continued page 89 October 1977 33 Mufflers H Back rowJCM Air Foil large size Bill Scott Custom ST 46 Merco ST 46 Front rowChuck Delano custom chrome plated Adamisin aluminum Max 35 Bill Scott muffler Randy Scotts Stiletto Machined eluminum stock pix Paul Gene Martines Custom Master Mufflers ST 46 Max 35 disassembled tube oldstyle Max muffler duplicate machined Gene 22 hours scratch HIGH POWER ULTRA SONIC CLEANER THE INVADER 1/12th scale metal car revolution car technology Front rear wheel suspension Uses alt standard parts Car designed performance Patents applied cteaner has patented Power Pump circuit nearly doubles power over cleaners same size Required top performance 2 & 4 quart sizes No 175 21 Quart No 176 46 Quart 8 oz Detergent qt Detergent As shown less eng & radio $8850 Chassis factory assembled $76a5 PISTON SETTING TOOL CDX 049 engines HARDENED STEELANODIZED No TRA503$325 $165 $185 $1 95 $342 MUFF-L-IT SERIES Six eight Db reduction noise moat engines Proportional votumne expansion chamber Triple reflective Intermediate chamber Large exhaust ~zzle low back pressure Little loss power Available B C engines No 301 09-19 $749 No 3229- 40$839 No 303 45-80 $949 NEW 1/2A MUFFLER FIts COX 049 engines new uffler gives significant noise reduction ith very little power loss Back facing ozzle No 300A049$549 No 3008051$549 rear eshaut SCIINIERLE ennines pecially dont know what whipping really have watch pilot es tablish point view just what center rotation see relation center rotation airplane looking pilot handle goes past center rotation before plane goes past edge circle whipping plane handle go past center rotation together whip ping plane goes before handle definitely slowing down plane can produce speed-change charts rather easily interest Ill draw up couple Goodyear Slow Rat Another approach might nomograph takes vari ables account directly Interested wrtte W R Lee 3S22 Tamarisk Lane Mis souri City TX 774S9 CL Aerobatics/Paul continued page 33 cannot feel much power loss stated shortens muffler has drilled some large holes end reduce back pressure address manufacturer available shops Slim Line Mufflers 8631 E Roanoke Scottsdale AZ 85257 product review product review product review BLADE ANDAILERON GUIDC PORWIRE Kwik Hinge Slotter Completely universal tool automatically aligns guides blade perfect hinge slots Three hardened steel blades Included two both large small hinges picker cleaning out slotsall fit No 2 X-Acto knife Nylon Alignment Jig Automatic jig features three snap-on guides two large small hinges drill guide hinges ail eron wire Fits 1/8 % balsa makes right size slot hole hinge market Alignment jig attachments cost $125 Replacement blades available 35 cents Du-Bro Products Inc 480 Bonner Rd Weuconda IL 50084 product review product review product review DuBro Universal MU 795 muffler has used several Nationals qualifiers both Max 35 ST 46 Bob Whitely Rich LeRoy have utilized some slight cutting drilling fitting Air Foil muffler JCM Specialties small size 19-25 package shaped like airfoil will bolt right ST 46 Some modification needed Max Fox Fox No 90222 muffler made Fox 35 course bolts right up Musumeci Connection father son has using its Fox after re moving inside tube creating large chamber Works well cuts weight popular mufflers past couple years has Art Adamisin creation aluminum bar stock However Art injured good hand production has stalled over winter want excellent mufflers would best write Art 22454 Fairfax Taylor MI 48180 mufflers have used Bob Hunt Gene Schaffer Les McDonald Dave Hemstrought Ted Fancher Bill Fitzgerald similarity between Adamisin muffler recent Gene Martine muffler Both excellent products Semco muffler no 202 CL 2940 engines priced $1295 will bolt right up Max ST 46 weight October1977 89 \ ft I AVAILABLE SDDN M,fflae fnr see local hobby dealer t$ 4 RUBBER & CO2 WINNER AT THE 5OthNATS 7 4101 22 I/2 WINGSPAN 5695 about two ounces extension youre looking some nose weight might try standard Supertigre muffler S29B ST 46 weighs about three oz sells $1295 Also newer type OS Max mufflers come engines good nose weight small Tatone will help front-end stability after some cutting hogging fit either Max Fox some areas Enya M-200 muffler ST 46 may still available fairly light item costing about $800 Bill Werwage used some time USA-I Murphy Maxi-muffler $1095 can used desired rather large has asbestos-type covering expands higher engine rpm As best writer can find MAC Silenceair mufflers no longer being imported although may hiding some hobby shops around country may also able find old-style Max mufflers still popular East coast writer has using Merco muffler since 1971 difficult obtain will bolt right up ST 46 experimenting HP-40 engine have Dan Shafer Bill Eybers Bill Werwage could use straight HP muffler rather big heavy could Dan Shafer has cut almost A0yeors ago— p --N *108 Earl Stahls famous 28 WINGSPAN S62 Send free brochure FLYLINE MODELS 2820 DORR AVE FAIRFAX VA 22030 off HP muffler leaving some metal around extension bolt DuBro fins what left Takes little genuity works well Dan Bill Eybers converted old-style Max muffler exhaust extension bolted HP engine Bob Paul muffler has used both Bill Werwage Bob Gieseke Fox Supertigre HP 40 ever Bob has series misfortunes past Spring including ruined apart ment burst water pipe probably will get production until late Fall does get back gear lit tle muffler good Two other examples fine little home made mufflers chrome-plated ones made up Chuck DeLano Indianapolis Dennis Duvall currently using latest semi-scale MIG Bill Scott Cincinnati has created unique little muffler-extension combina tion very effective opened up drilling out holes bottom aluminum extension what its worth writers opin ion new Gene Martine muffler looks like best lot both perform ance delivery machine work beautiful muffler works un sightly Gene aware supply demand problems have hurt K COMPLETE THIS FORM AND ATrACH MAILING LABEL FROM RECENT ISSUE move please let us know advancesix weeks re quired change address Attach current MA mailing label check appropriate box mail Subscription Dept. Model Aviation 815 Fifteenth St. NW. Washington DC. 20005 check appropriate boxenclose payment 0 NEW SUBSCRIPTION 0 CHANGE OF ADDRESS Non-AMA subscription rates $1200 12 months Canada United States possession elsewhere $1400 NAME ADDRESS CITY/STATE _____________________________________________ ZIP _______________ MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 some other good products Slim Line muffler will also catch simple small available want Max 35 engine re worked let writer suggest Tom Lay regarding workmanship service communication Bob Whitely Ron Mer rill Vincent Judd Val Britton re ported turn-around service has two three weekswhich bad Tom will modify piston head ven turi needle valve hand-lap piston sleeve precision assemble engine Cost $1000 plus postage plus new parts required Tom also has available T & L custom 40 stunt engine reworked Max 35 displacement 4000037 power similar Supertigre 46 engine will drop right mount holes Max 35 will make overweight 35-size ship flyable information prices above write Tom Lay T & L Model Specialties P0 Box 6052 Torrance CA 90504 information stunt PAMPA write author Wynn Paul 1640 Maywick Dr Lexing ton KY 40504 FF Duration/Meuser continued page 37 still pretending know what doing threw cat-tail seeds possible di rection seen big-time Wakefielders What didnt hit ground hard bounced blew back face some started going up refirerl engine dropped model onto takeoff board laid nicest thermal could hope Somehow managed pull off fraud three times row other maxerEdward Eliot holds national record event bombed fourth flight mere 105 figured cinched Id have try real hard get flight bad 105 inquired loud voice what would take beat national record pondered thoughtfully whether could get maxes before end contest proceeded put model large downer mere 55 seconds comforted neat model looked landing its wheels dont have try very hard get flight bad 105 Payload Early meet Will Nakashima mentioned about run out material cartoons end Day Three enough last decade No Non-Cents Strikes Again Chalk up another four AMA national records No Non-Cents See construction article June issue Mike Van Gorder age 11 put together flight 931 under Category II ceiling height Second NIMAS International Record Trials West Baden Indiana June As 90 Model Aviation Stahl design __OGA 10% FOR PACKING AND POSTAGE VA RESIDENTS ADD 4% TAX 24 I/5 WINOSPAId 5