DoItYourself Soft Engine Mount centerless f irewall novel approach ven erable quest solution prob lem engineinduced airframe noise vibration served au thor well par ticular installation could just what youve looking forE Fred Berman CONFUCIUS ONCE SAID squelch vibration noisemount motor softly Confucius didnt put exactly words Don Lowe Howard Crispen Merle Chip Hyde among others cer tainly have Dutifully heeding advice recently perused magazine ads see whats available commercially found commercial offer ings based Lord mount rubber other elastic material cylinder fas teners glued both ends Usually side quartet such mounts bolted firewall other side supports engineeither rear cover bolts through add-on L-shaped engine mount MK Company solves engine isola tion another waythrough rubber block extension motor mounting flange Hydes have different method stilla separate firewall coupled regular fire wall through fairly thin rubber tube Its ef fectiveness attested Merles having won Quiet Machine award 88 Nats impetus attempt own particular dampener number came way an ac cident caused in-flight receiver bat tery failure Super Kaos nose disfigured plane needed major surgery anyway almost soft systems available require extra space engine compartment fit vibration dampen ers between engine whatever its mounted tightly cowled Kaos simply wasnt space spare necessity became mother yet another soft-serve invention Essentially changed solid firewall %-in-thick live rubber diaphragm bolted engine mount directly Since mod required mere ad ditional space looked like winner assuming function complemented de sign live rubber wasnt first material tried diaphragm Finding suitably pliant material proved maddeningly difficult fact Stealing page 34 Model Aviation Vibration-dampened dolled-up Super Kacs ready fly shown 05 61 ABC engine MK 11 x 7 prop Other firewall no extra modifications required soft engine mounting system consisting engine mount rubber diaphragm clamping frame insert Its shown assembled ready installation Super Kaos centerless firewall shown place dental mirror reveals typical 2-56 blind nut installation back firewall Fuel tank hose connections visible soft engine mounting system shown completely installed airplane ready engine bolted place VENTILATED FIREWALL PLY MOTOR MOUNT BACK-UP PLATE -i PLY lb Hydes manual first inspiration use sheets rubber motorcycle ner tube already patched wasnt ma jor sacrifice However needed three lay ers inner tube rubber thickness wouldnt stay clamped tight en gine danced around excessively run ning Next turned local shoe repair socket head bolts blind nuts bare rubber moat area does vibration dampening /4 //1 4-4O socket head bolts self-locking Iimwwww4I1 --0- --- // // / / sIl0 I H0 I/ III o/ i: r Mount Rectangular Round LIVE RUBBER DIAPHRAGM THICK 8 CLAMPING FRAME -PLY MAYBE 32 SEGMENTED shoponly learn rubber soles no longer used 40-mile round trip local rubber sup ply firm finally turned up right stuffa Y8-in-thick piece live rubber donated company works perfectly Al though have no technical specifications such Durometer index available can assure piece very flexible yet apparently quite tough Also its definitely black smells like rubber live rubber segment cut roll just over 4 wide does super job photos drawing show details application Hardware selection proved interestContinued page 146 0 September 1989 35 e / /2 p DO- IT-YOURSELF SOFT MOTOR MOUNT Designed 4 drawn FRED BERMANApril 1989 two interesting ideas related soft engine mount exerpted authors bag tricks Left Propping Per suader simply piece -in-lD automotive water hose Its primitive its very pretty sure super practical makes easy prop fingers Especially fingers abrasions end hose can attest Right optimum antenna place ment external A-in hole vertical stabilizer %-in-long piece shrink tubing provide super-Spartan antenna anchor HERES UNIQUE TIME PIECE THAT FEATURES FAMILIAR FACE THE ALTIMETER WALL CLOCK Perfect den office Quality quartz movement Full 1 year warranty Four other models available Horizon clock DG clock VOR clock & Airspeed thermometer DEALER ENQUIRIES WELCOME SEND CHEQUE OR MONEY ORDER FOR $3995 UPS TY AIRUNE SUPPLY CO 98-116 PINELLAS BAYWAY TIERRA VERDE FLORIDA 33715 TO ORDER TOLL FREE 1-8008482739 FLORIDA RESIDENTS ADD 6% SALES TAX Radio Technique/Myers Continued page 143 called Positioning relates figure placed box Positioning er rors deduct points raw score order mitigate favorite son judging practices observed certain Eastern Bloc judges world competitions raw scores next subjected IAC/Tarasov/Bauer-Long TBL statistical averaging system produce contestants Final Score Yes requires desktop computerand somebody knowledge able run havent already read AMA 1988-89 Competition Regulations handbook aka rule book available request AMA HQ wont know much above already exists AMA competition Take word FAI-CAT represents logical exten sion ofnot replacement forthe AMAs book Let close Final Word quoted IAC Official Contest Rules conclusion remember Judge expected grade against standard perfection performance aircraft difficulty performing fig ure basis personal experience given type aircraft considered formulating grade 'Do afraid find fault competitors flying regardless name reputation As Judge job responding advertisers mention read about ModelAviation Soft Mount/Berman Continued page 35 ing improvised clampan overleaf onto firewall rimwas fastened blind nuts eight 2-56 x -in Du-Bro No 311 socket head bolts installation proved entirely adequate strong 61 ABC engine secured aluminum mount 6-32 hard ware 4-40 bolts through soft firewall Vibration dampening does help avert metal fa tigue careful crush rubber diaphragm gently snugging up bolts overtight ening Secured nylon-insert locking nuts 4-40 bolts should still turn against some resistance fully tightened Kaos installation %2-in ply clamp ing frame couldnt inserted firewall cavity due nacelle taper triangular rein forcing gussets solve little dilemma frame sawed diagonally across corners creating very maneuverable segmented member Assembly mount otherwise fully completed fuselage proved bit like brain surgery Use fine ball-end hex drivers must bolts perfect hex cavity Ac tually want brain surgeon next life anyway what harm early start know its later think Theres always something new old bag tricks couple samples Mr Mod recommends 1 Receiver antenna fastening Drill A6-dia hole through vertical stab hole angled rearward Feed end antenna through hole install 3/16-in-long piece 050 heat shrink tubing Nothing could neater 2 perfect propping device I-ft-long length automobile heater hose Since started using Ive probably saved myself dozen bruised fingers wouldve received through leather gloves RC Scale/Guenther Continued page 37 type paint although did use once CL Scale Mustang seemed work well short life model Someone told doesnt hold up well glow fuel surface paint easily marred using lacquer paints wooden sculpture bases Ive made can say takes long time dry thoroughly Polyurethanes Although dont currently use type paint appears popular types around today Polyurethanes seem give good surface coverage too much weight buildup paint surface tough Glow fuel doesnt seem affect properly cured paint surface colors retain brilliance over long time Several brands market some best can found local auto paint store am familiar Vitra-Gard brand made Elliot Paint Varnish Company Chicago IL 60624 As can quickly see completing Scale model proper finish colors volved meets eye suppose reason some modelers shy away Scale Im drawn category own BEETLESuperStar 60 SPIC L34@TH SV/WHO AREA 790 SQ IN/SPAN S7ANGE 10 c& SPEC La4G1H SOVWNG AREA 821 SQ R4/sP*4 sr/NQNE 10 c BASIC KIT $150PREBUILT KIT $395READY TO FINISH KIT $595 FUUEIAGE FOAM CORE FAC1VRYSHRE1IDHONFYVOMBWNO ~ mCLL0ES PATTERN TEK~J 146 Model Aviation
Edition: Model Aviation - 1989/09
Page Numbers: 34, 35, 146
DoItYourself Soft Engine Mount centerless f irewall novel approach ven erable quest solution prob lem engineinduced airframe noise vibration served au thor well par ticular installation could just what youve looking forE Fred Berman CONFUCIUS ONCE SAID squelch vibration noisemount motor softly Confucius didnt put exactly words Don Lowe Howard Crispen Merle Chip Hyde among others cer tainly have Dutifully heeding advice recently perused magazine ads see whats available commercially found commercial offer ings based Lord mount rubber other elastic material cylinder fas teners glued both ends Usually side quartet such mounts bolted firewall other side supports engineeither rear cover bolts through add-on L-shaped engine mount MK Company solves engine isola tion another waythrough rubber block extension motor mounting flange Hydes have different method stilla separate firewall coupled regular fire wall through fairly thin rubber tube Its ef fectiveness attested Merles having won Quiet Machine award 88 Nats impetus attempt own particular dampener number came way an ac cident caused in-flight receiver bat tery failure Super Kaos nose disfigured plane needed major surgery anyway almost soft systems available require extra space engine compartment fit vibration dampen ers between engine whatever its mounted tightly cowled Kaos simply wasnt space spare necessity became mother yet another soft-serve invention Essentially changed solid firewall %-in-thick live rubber diaphragm bolted engine mount directly Since mod required mere ad ditional space looked like winner assuming function complemented de sign live rubber wasnt first material tried diaphragm Finding suitably pliant material proved maddeningly difficult fact Stealing page 34 Model Aviation Vibration-dampened dolled-up Super Kacs ready fly shown 05 61 ABC engine MK 11 x 7 prop Other firewall no extra modifications required soft engine mounting system consisting engine mount rubber diaphragm clamping frame insert Its shown assembled ready installation Super Kaos centerless firewall shown place dental mirror reveals typical 2-56 blind nut installation back firewall Fuel tank hose connections visible soft engine mounting system shown completely installed airplane ready engine bolted place VENTILATED FIREWALL PLY MOTOR MOUNT BACK-UP PLATE -i PLY lb Hydes manual first inspiration use sheets rubber motorcycle ner tube already patched wasnt ma jor sacrifice However needed three lay ers inner tube rubber thickness wouldnt stay clamped tight en gine danced around excessively run ning Next turned local shoe repair socket head bolts blind nuts bare rubber moat area does vibration dampening /4 //1 4-4O socket head bolts self-locking Iimwwww4I1 --0- --- // // / / sIl0 I H0 I/ III o/ i: r Mount Rectangular Round LIVE RUBBER DIAPHRAGM THICK 8 CLAMPING FRAME -PLY MAYBE 32 SEGMENTED shoponly learn rubber soles no longer used 40-mile round trip local rubber sup ply firm finally turned up right stuffa Y8-in-thick piece live rubber donated company works perfectly Al though have no technical specifications such Durometer index available can assure piece very flexible yet apparently quite tough Also its definitely black smells like rubber live rubber segment cut roll just over 4 wide does super job photos drawing show details application Hardware selection proved interestContinued page 146 0 September 1989 35 e / /2 p DO- IT-YOURSELF SOFT MOTOR MOUNT Designed 4 drawn FRED BERMANApril 1989 two interesting ideas related soft engine mount exerpted authors bag tricks Left Propping Per suader simply piece -in-lD automotive water hose Its primitive its very pretty sure super practical makes easy prop fingers Especially fingers abrasions end hose can attest Right optimum antenna place ment external A-in hole vertical stabilizer %-in-long piece shrink tubing provide super-Spartan antenna anchor HERES UNIQUE TIME PIECE THAT FEATURES FAMILIAR FACE THE ALTIMETER WALL CLOCK Perfect den office Quality quartz movement Full 1 year warranty Four other models available Horizon clock DG clock VOR clock & Airspeed thermometer DEALER ENQUIRIES WELCOME SEND CHEQUE OR MONEY ORDER FOR $3995 UPS TY AIRUNE SUPPLY CO 98-116 PINELLAS BAYWAY TIERRA VERDE FLORIDA 33715 TO ORDER TOLL FREE 1-8008482739 FLORIDA RESIDENTS ADD 6% SALES TAX Radio Technique/Myers Continued page 143 called Positioning relates figure placed box Positioning er rors deduct points raw score order mitigate favorite son judging practices observed certain Eastern Bloc judges world competitions raw scores next subjected IAC/Tarasov/Bauer-Long TBL statistical averaging system produce contestants Final Score Yes requires desktop computerand somebody knowledge able run havent already read AMA 1988-89 Competition Regulations handbook aka rule book available request AMA HQ wont know much above already exists AMA competition Take word FAI-CAT represents logical exten sion ofnot replacement forthe AMAs book Let close Final Word quoted IAC Official Contest Rules conclusion remember Judge expected grade against standard perfection performance aircraft difficulty performing fig ure basis personal experience given type aircraft considered formulating grade 'Do afraid find fault competitors flying regardless name reputation As Judge job responding advertisers mention read about ModelAviation Soft Mount/Berman Continued page 35 ing improvised clampan overleaf onto firewall rimwas fastened blind nuts eight 2-56 x -in Du-Bro No 311 socket head bolts installation proved entirely adequate strong 61 ABC engine secured aluminum mount 6-32 hard ware 4-40 bolts through soft firewall Vibration dampening does help avert metal fa tigue careful crush rubber diaphragm gently snugging up bolts overtight ening Secured nylon-insert locking nuts 4-40 bolts should still turn against some resistance fully tightened Kaos installation %2-in ply clamp ing frame couldnt inserted firewall cavity due nacelle taper triangular rein forcing gussets solve little dilemma frame sawed diagonally across corners creating very maneuverable segmented member Assembly mount otherwise fully completed fuselage proved bit like brain surgery Use fine ball-end hex drivers must bolts perfect hex cavity Ac tually want brain surgeon next life anyway what harm early start know its later think Theres always something new old bag tricks couple samples Mr Mod recommends 1 Receiver antenna fastening Drill A6-dia hole through vertical stab hole angled rearward Feed end antenna through hole install 3/16-in-long piece 050 heat shrink tubing Nothing could neater 2 perfect propping device I-ft-long length automobile heater hose Since started using Ive probably saved myself dozen bruised fingers wouldve received through leather gloves RC Scale/Guenther Continued page 37 type paint although did use once CL Scale Mustang seemed work well short life model Someone told doesnt hold up well glow fuel surface paint easily marred using lacquer paints wooden sculpture bases Ive made can say takes long time dry thoroughly Polyurethanes Although dont currently use type paint appears popular types around today Polyurethanes seem give good surface coverage too much weight buildup paint surface tough Glow fuel doesnt seem affect properly cured paint surface colors retain brilliance over long time Several brands market some best can found local auto paint store am familiar Vitra-Gard brand made Elliot Paint Varnish Company Chicago IL 60624 As can quickly see completing Scale model proper finish colors volved meets eye suppose reason some modelers shy away Scale Im drawn category own BEETLESuperStar 60 SPIC L34@TH SV/WHO AREA 790 SQ IN/SPAN S7ANGE 10 c& SPEC La4G1H SOVWNG AREA 821 SQ R4/sP*4 sr/NQNE 10 c BASIC KIT $150PREBUILT KIT $395READY TO FINISH KIT $595 FUUEIAGE FOAM CORE FAC1VRYSHRE1IDHONFYVOMBWNO ~ mCLL0ES PATTERN TEK~J 146 Model Aviation
Edition: Model Aviation - 1989/09
Page Numbers: 34, 35, 146
DoItYourself Soft Engine Mount centerless f irewall novel approach ven erable quest solution prob lem engineinduced airframe noise vibration served au thor well par ticular installation could just what youve looking forE Fred Berman CONFUCIUS ONCE SAID squelch vibration noisemount motor softly Confucius didnt put exactly words Don Lowe Howard Crispen Merle Chip Hyde among others cer tainly have Dutifully heeding advice recently perused magazine ads see whats available commercially found commercial offer ings based Lord mount rubber other elastic material cylinder fas teners glued both ends Usually side quartet such mounts bolted firewall other side supports engineeither rear cover bolts through add-on L-shaped engine mount MK Company solves engine isola tion another waythrough rubber block extension motor mounting flange Hydes have different method stilla separate firewall coupled regular fire wall through fairly thin rubber tube Its ef fectiveness attested Merles having won Quiet Machine award 88 Nats impetus attempt own particular dampener number came way an ac cident caused in-flight receiver bat tery failure Super Kaos nose disfigured plane needed major surgery anyway almost soft systems available require extra space engine compartment fit vibration dampen ers between engine whatever its mounted tightly cowled Kaos simply wasnt space spare necessity became mother yet another soft-serve invention Essentially changed solid firewall %-in-thick live rubber diaphragm bolted engine mount directly Since mod required mere ad ditional space looked like winner assuming function complemented de sign live rubber wasnt first material tried diaphragm Finding suitably pliant material proved maddeningly difficult fact Stealing page 34 Model Aviation Vibration-dampened dolled-up Super Kacs ready fly shown 05 61 ABC engine MK 11 x 7 prop Other firewall no extra modifications required soft engine mounting system consisting engine mount rubber diaphragm clamping frame insert Its shown assembled ready installation Super Kaos centerless firewall shown place dental mirror reveals typical 2-56 blind nut installation back firewall Fuel tank hose connections visible soft engine mounting system shown completely installed airplane ready engine bolted place VENTILATED FIREWALL PLY MOTOR MOUNT BACK-UP PLATE -i PLY lb Hydes manual first inspiration use sheets rubber motorcycle ner tube already patched wasnt ma jor sacrifice However needed three lay ers inner tube rubber thickness wouldnt stay clamped tight en gine danced around excessively run ning Next turned local shoe repair socket head bolts blind nuts bare rubber moat area does vibration dampening /4 //1 4-4O socket head bolts self-locking Iimwwww4I1 --0- --- // // / / sIl0 I H0 I/ III o/ i: r Mount Rectangular Round LIVE RUBBER DIAPHRAGM THICK 8 CLAMPING FRAME -PLY MAYBE 32 SEGMENTED shoponly learn rubber soles no longer used 40-mile round trip local rubber sup ply firm finally turned up right stuffa Y8-in-thick piece live rubber donated company works perfectly Al though have no technical specifications such Durometer index available can assure piece very flexible yet apparently quite tough Also its definitely black smells like rubber live rubber segment cut roll just over 4 wide does super job photos drawing show details application Hardware selection proved interestContinued page 146 0 September 1989 35 e / /2 p DO- IT-YOURSELF SOFT MOTOR MOUNT Designed 4 drawn FRED BERMANApril 1989 two interesting ideas related soft engine mount exerpted authors bag tricks Left Propping Per suader simply piece -in-lD automotive water hose Its primitive its very pretty sure super practical makes easy prop fingers Especially fingers abrasions end hose can attest Right optimum antenna place ment external A-in hole vertical stabilizer %-in-long piece shrink tubing provide super-Spartan antenna anchor HERES UNIQUE TIME PIECE THAT FEATURES FAMILIAR FACE THE ALTIMETER WALL CLOCK Perfect den office Quality quartz movement Full 1 year warranty Four other models available Horizon clock DG clock VOR clock & Airspeed thermometer DEALER ENQUIRIES WELCOME SEND CHEQUE OR MONEY ORDER FOR $3995 UPS TY AIRUNE SUPPLY CO 98-116 PINELLAS BAYWAY TIERRA VERDE FLORIDA 33715 TO ORDER TOLL FREE 1-8008482739 FLORIDA RESIDENTS ADD 6% SALES TAX Radio Technique/Myers Continued page 143 called Positioning relates figure placed box Positioning er rors deduct points raw score order mitigate favorite son judging practices observed certain Eastern Bloc judges world competitions raw scores next subjected IAC/Tarasov/Bauer-Long TBL statistical averaging system produce contestants Final Score Yes requires desktop computerand somebody knowledge able run havent already read AMA 1988-89 Competition Regulations handbook aka rule book available request AMA HQ wont know much above already exists AMA competition Take word FAI-CAT represents logical exten sion ofnot replacement forthe AMAs book Let close Final Word quoted IAC Official Contest Rules conclusion remember Judge expected grade against standard perfection performance aircraft difficulty performing fig ure basis personal experience given type aircraft considered formulating grade 'Do afraid find fault competitors flying regardless name reputation As Judge job responding advertisers mention read about ModelAviation Soft Mount/Berman Continued page 35 ing improvised clampan overleaf onto firewall rimwas fastened blind nuts eight 2-56 x -in Du-Bro No 311 socket head bolts installation proved entirely adequate strong 61 ABC engine secured aluminum mount 6-32 hard ware 4-40 bolts through soft firewall Vibration dampening does help avert metal fa tigue careful crush rubber diaphragm gently snugging up bolts overtight ening Secured nylon-insert locking nuts 4-40 bolts should still turn against some resistance fully tightened Kaos installation %2-in ply clamp ing frame couldnt inserted firewall cavity due nacelle taper triangular rein forcing gussets solve little dilemma frame sawed diagonally across corners creating very maneuverable segmented member Assembly mount otherwise fully completed fuselage proved bit like brain surgery Use fine ball-end hex drivers must bolts perfect hex cavity Ac tually want brain surgeon next life anyway what harm early start know its later think Theres always something new old bag tricks couple samples Mr Mod recommends 1 Receiver antenna fastening Drill A6-dia hole through vertical stab hole angled rearward Feed end antenna through hole install 3/16-in-long piece 050 heat shrink tubing Nothing could neater 2 perfect propping device I-ft-long length automobile heater hose Since started using Ive probably saved myself dozen bruised fingers wouldve received through leather gloves RC Scale/Guenther Continued page 37 type paint although did use once CL Scale Mustang seemed work well short life model Someone told doesnt hold up well glow fuel surface paint easily marred using lacquer paints wooden sculpture bases Ive made can say takes long time dry thoroughly Polyurethanes Although dont currently use type paint appears popular types around today Polyurethanes seem give good surface coverage too much weight buildup paint surface tough Glow fuel doesnt seem affect properly cured paint surface colors retain brilliance over long time Several brands market some best can found local auto paint store am familiar Vitra-Gard brand made Elliot Paint Varnish Company Chicago IL 60624 As can quickly see completing Scale model proper finish colors volved meets eye suppose reason some modelers shy away Scale Im drawn category own BEETLESuperStar 60 SPIC L34@TH SV/WHO AREA 790 SQ IN/SPAN S7ANGE 10 c& SPEC La4G1H SOVWNG AREA 821 SQ R4/sP*4 sr/NQNE 10 c BASIC KIT $150PREBUILT KIT $395READY TO FINISH KIT $595 FUUEIAGE FOAM CORE FAC1VRYSHRE1IDHONFYVOMBWNO ~ mCLL0ES PATTERN TEK~J 146 Model Aviation