NEW QUADRAS Yes some new things Quadra some may surprising First new Quadras coming out factory now equipped Quadras ver sion spring starter has become popular last year still consider starter single useful accessory ever developed Giant Scale engines dont know details under stand Quadra will install starter new engines being manufactured however will provide starters older en gines PK Products PO Box 6226 Hay ward CA 94540 source H&K SuperStarter earlier Quadras several other engines Next Q50 has modified new version designated Q5OS addition starter have some other use ful changes porting has changed Quadra claims 15% power increase result cylinder has rotated carb now same side Q35 will help simplify dropping Q50S plane place Q35 carb still isnt same location least isnt clear around other side spark plug has changed also new physically smaller cuts down height engine just tad changes sound worthwhile Ill try include new version next Big Bangers article news really surprised Quadra now offering glow ignition ver sions both Q35 Q50 once commented glow engine big seemed to just device con verting money exhaust smoke After long talk Quadras Klaus Nowak change opinion ttle Klaus pointed out really aiming glow versions European market gasoline-fueled engines have very popular Since price gasoline European countries much differ ent methanol no real economic advantageas long dont need nitro methane mix Another factor difference life-styles country us live houses usually gar ages almost invariably gasoline-powered devices lawn mowers chainsaws etc Most us used handling gasoline have facilities its storage much higher percentage Euro pean modelers live apartments sel dom have garages cars storage gasoline can problem looked viewpoint glow-ignition Quadras make sense also explains engines like Bully originally designed glow operation later converted ignition sale Some US modelers will interested advantages offered engines despite higher operating costs first advantage about half-pound weight reduction take flywheel ignition system off Next significant crease power output resultant power-to-weight ratio Scale modelers looking Pattern-type per fonnance large model things can valuable think average Giant Scaler country will want stick spark-ignition gasoline-fueled en gine Sixth Annual Tom Sawyer Park Louisville Radio Control Club River City Radio Control Club Tom Saw yer Flying Association sponsoring Sixth Annual Giant Scale Fly-In weekend June 30-July 1 has very popular event past drawing fliers Midwest South site Tom Sawyer Park near Louis ville KY nicest modelflying facilities around lucky enough IMAAs International Miniature Aircraft Association first FFF Fun-Fly Festival 1981 have nice paved strip adjacent grass prefer same three clubs took job running IMAA event did out standing job am sure largest group participants ever handle know what doing Fly-In sure well-mn affair information contact Tom Bennett 3518 Dutchmans Lane Louisville KY 40205 Phone 502 451-5511 Behrens Tripehound Pup plans Sev eral times past columns have mentioned Jerry Behrens reviewed some plans Jerry first Giant Scale enthusiasts make plans projects available others fact two items have available almost eight years Im sure believe Sopwith Pup came first followed 1976 Sopwith Triplane copy Triplane plans dicate revised 1982 Both models quarter-scale designed Q35 Quadra Big Banger readily avaialble midSeventies lots lift available projected weight about 17 lb good performers newer 12 ci four-cycle engines would adequate espe cially can hold weight down around 15 lbs birds going 52 Model Aviation Another beautiful example Jerry Behrens worka Treveleire 2000 Plans revIewed June 82 Ted Fletchera Beechoraft G-17S Staggerwlng lifts off paved strip Tom Sawyer Park near Louisville KY SIxth Annual Giant Scale Fly-In will held June 30-July 11984 fly like Pitts going fly realistically addition scale tailskids high centers gravity ground handling will also realistic ie nonexistent plan package consists two draw ings about 3 ft 5 ft instruction booklet plans themselves de ceptively simple appearance con junction booklet contain some clever techniques Both models designed easy transportation quick assembly disassembly field arent easiest things get quarter-scale Continued page 157 latest-model Quadrathe Q505appears photo left Read Bobs column details interesting new features modelplus recent developments Quadra Jerry Behrens has brought planes plans sells Toledo regular basis several yaars above Sorry say health prob lems will keep him away year Bob reviews Sopwith Pup Triplane plans monthsays theyre still great designs LARGEST RUBBERBAND POWERED AIRCRAFT WORLDS READY TO FLYDesigned Hal Pappy de Bolt ONO BUILDINGOVER 6 FOOT 46 Gollath _________________ ii King Condor SPECIFICATIONS S S S 0 FOR KIDS AGES 10 80 Guaranteed Absolutely Amaze Its Superior Flying Ability DEALERS INQUIRIES INVITED WINGSPAN S l3GOLI*TH WHISIWINO AIRCRAFT INC PATENT STNAINO 4/ Made Durable Injection Molded Foam Plastic CHECK MO lI4I ACCEPTED z.xMASTERCARD PO BOX 589 -A Wing Span -6 ft 2 Wing Area -629 sq Length -4 ft Bin Powerpant 12 Strands Rubberband Totaling 28 feet Length Propeller -2 Blade 16 Diameter Folding Gross Weight 1 Pounds Altitude Maximum 75 ft Distance Max Zero Wind Adjustable Rudder Trim $2995 ADD $400 FOR SHIPPING INCLUDESHANDLING IIFREE PILOTMichigan Residents LJ COURSE AND LICENSEAdd 4% Sales Tax GOLIATH WHIRLWIND AIRCRAFT INC Lathrup Village Michigan 48076 313540-0231 June 1984 53 flair correctly autorotate safely As far reliability concerned Su perior really holds up blades tend stay track after hardest pullouts would recommend machine anyone looking high-quality general sportcompetition Helicopter careful atten tion should give hours flight before parts start wear As final comment disap pointed aerobatic qualities Superior find ironic machine has done well several contests around world Although Ewald Heim wins Helicopter competitions Europe Star-Ranger common see Superiors finishing close tail second third positions possible am doing something wrong Superioror maybe FAI judges looking something fast-flying acrobats Next month will review Futaba 7GH Helicopter radio discuss van ous features make Helicopter radio what Until next monthBCNU Larry Jolly 5501 W Como Santa Ana CA 92703 RC Giant Scale/Beckman Continued page 53 aircraft lots wings wires Construction basic rugged good selections readily-available spruce pine replacing balsa needed strength arent really beginners models experienced modeler beginner some experienced help will have no trouble some ways building models now will easier first designed days didnt have Giant Scale accessories hinges horns wheels etc avail able now Jerry shows two different airfoils plans semi-symmetrical sport wing obviously scale other undercambered scale air foil latter looks little thick havent researched Im probably wrong sport wing required good flying Most aircraft designs onequarter scale will fly much like real ones have scale outlines airfoils would expect sport wing fly little faster little less floaty big gest advantage sport wing will little easier build has room mounting servos like WW designs wings things two hard beat Im trying find time build Triplane Plans $20 includes shipping plans rolled tube Par tial kits available $130 Pup $140 Triplane Send Behrens Plan Ser vice 3 1-27 Healy Ave Far Rockaway NY 11619 Bryon Fun-Fly Festival Byron Originals hosting Giant Scale Fun-Fly Festival r mmmmmm~rn1 IMode~ Catalog I II II Hundreds unusual tools borrowed Jewelr UGunsmilhing Clock Making professional IModel Making trades NOW AVAiLABLE TO YOU BY MAIL guaranteedI 6II ~thisorsendur couponname address MICROMARK Box 5112 LX ast Main St Clinton NJ 08809 NAME EADDRESS CITY __________________________________________________________ STATE ______ ZIP mJ b third year row annual IMAA Fun-Fly Festival 1984 will held Los Angeles August 16-19 Byron event will same week end three days August 17-19 Anyone attended first two Ida Grove events knows kind facilities provided year Byron nouncement talks about paved runway scale hanger scale tower radar checking flight speed Christen Eagles will hand again last year event provides nice alternative modelers Midwest cannot make trek Los Angeles plan go make motel reservations early few accommodations Ida Grove itself expect up 60 miles away Campers motor homes can probably get space Ida Grove dont crash plane week before Without plane fly part show will just another duespaying spectator behind ropes Bob Beckman 8248 Holly Grove Ct Manassas VA 22110 Props/Hostetler Continued ae 59 length blade Photo 21 shows cross section prop blade sev eral pointsfrom near hub within 3/8 tip sections similar Clark Y airfoil Note back side prop flat leading edge trailing edge point though appears curved finished propeller appearance curve due changing pitch degrees different sta tions about 25 deg near hub 9 deg tip Duplicating other props Directly meas ure diameter blade width thickness hub Set prop its trailing edge flat surface Photo 22 Use two pieces stiff paper card stock equal square 90-deg corners guides measure dimen sions measuring distance between cards various points along prop blade record re sults Transfer information leading edge prop blank A2 B2 sketches Trace profile prop transfer prop blank proceed Step 3 want emphasize con struction information means introduce very interesting area Giant Scale modeling Actually mak ing prop much easier explain ing reading little practice wrn able com plete prop less 45 mm hope enjoy fascinating area modeling much FF Old-Timers/Haught Continued page 61 Mills PA 16875 Martin tells miniature lightweight ignition coils have well-received has encouraged him expand line latest additions metal AAA battery boxes recharga ble AAA batteries firm also has charger AAA batteries pro vides longer battery service money well keeping all-up flying weight minimum system has differ ence between competitive model dog Snuffy Other users Gettig system have reported good results meContinued page 160 June 1984 157 ROM M icro Mark Small Tool Specialists
Edition: Model Aviation - 1984/06
Page Numbers: 52, 53, 157
NEW QUADRAS Yes some new things Quadra some may surprising First new Quadras coming out factory now equipped Quadras ver sion spring starter has become popular last year still consider starter single useful accessory ever developed Giant Scale engines dont know details under stand Quadra will install starter new engines being manufactured however will provide starters older en gines PK Products PO Box 6226 Hay ward CA 94540 source H&K SuperStarter earlier Quadras several other engines Next Q50 has modified new version designated Q5OS addition starter have some other use ful changes porting has changed Quadra claims 15% power increase result cylinder has rotated carb now same side Q35 will help simplify dropping Q50S plane place Q35 carb still isnt same location least isnt clear around other side spark plug has changed also new physically smaller cuts down height engine just tad changes sound worthwhile Ill try include new version next Big Bangers article news really surprised Quadra now offering glow ignition ver sions both Q35 Q50 once commented glow engine big seemed to just device con verting money exhaust smoke After long talk Quadras Klaus Nowak change opinion ttle Klaus pointed out really aiming glow versions European market gasoline-fueled engines have very popular Since price gasoline European countries much differ ent methanol no real economic advantageas long dont need nitro methane mix Another factor difference life-styles country us live houses usually gar ages almost invariably gasoline-powered devices lawn mowers chainsaws etc Most us used handling gasoline have facilities its storage much higher percentage Euro pean modelers live apartments sel dom have garages cars storage gasoline can problem looked viewpoint glow-ignition Quadras make sense also explains engines like Bully originally designed glow operation later converted ignition sale Some US modelers will interested advantages offered engines despite higher operating costs first advantage about half-pound weight reduction take flywheel ignition system off Next significant crease power output resultant power-to-weight ratio Scale modelers looking Pattern-type per fonnance large model things can valuable think average Giant Scaler country will want stick spark-ignition gasoline-fueled en gine Sixth Annual Tom Sawyer Park Louisville Radio Control Club River City Radio Control Club Tom Saw yer Flying Association sponsoring Sixth Annual Giant Scale Fly-In weekend June 30-July 1 has very popular event past drawing fliers Midwest South site Tom Sawyer Park near Louis ville KY nicest modelflying facilities around lucky enough IMAAs International Miniature Aircraft Association first FFF Fun-Fly Festival 1981 have nice paved strip adjacent grass prefer same three clubs took job running IMAA event did out standing job am sure largest group participants ever handle know what doing Fly-In sure well-mn affair information contact Tom Bennett 3518 Dutchmans Lane Louisville KY 40205 Phone 502 451-5511 Behrens Tripehound Pup plans Sev eral times past columns have mentioned Jerry Behrens reviewed some plans Jerry first Giant Scale enthusiasts make plans projects available others fact two items have available almost eight years Im sure believe Sopwith Pup came first followed 1976 Sopwith Triplane copy Triplane plans dicate revised 1982 Both models quarter-scale designed Q35 Quadra Big Banger readily avaialble midSeventies lots lift available projected weight about 17 lb good performers newer 12 ci four-cycle engines would adequate espe cially can hold weight down around 15 lbs birds going 52 Model Aviation Another beautiful example Jerry Behrens worka Treveleire 2000 Plans revIewed June 82 Ted Fletchera Beechoraft G-17S Staggerwlng lifts off paved strip Tom Sawyer Park near Louisville KY SIxth Annual Giant Scale Fly-In will held June 30-July 11984 fly like Pitts going fly realistically addition scale tailskids high centers gravity ground handling will also realistic ie nonexistent plan package consists two draw ings about 3 ft 5 ft instruction booklet plans themselves de ceptively simple appearance con junction booklet contain some clever techniques Both models designed easy transportation quick assembly disassembly field arent easiest things get quarter-scale Continued page 157 latest-model Quadrathe Q505appears photo left Read Bobs column details interesting new features modelplus recent developments Quadra Jerry Behrens has brought planes plans sells Toledo regular basis several yaars above Sorry say health prob lems will keep him away year Bob reviews Sopwith Pup Triplane plans monthsays theyre still great designs LARGEST RUBBERBAND POWERED AIRCRAFT WORLDS READY TO FLYDesigned Hal Pappy de Bolt ONO BUILDINGOVER 6 FOOT 46 Gollath _________________ ii King Condor SPECIFICATIONS S S S 0 FOR KIDS AGES 10 80 Guaranteed Absolutely Amaze Its Superior Flying Ability DEALERS INQUIRIES INVITED WINGSPAN S l3GOLI*TH WHISIWINO AIRCRAFT INC PATENT STNAINO 4/ Made Durable Injection Molded Foam Plastic CHECK MO lI4I ACCEPTED z.xMASTERCARD PO BOX 589 -A Wing Span -6 ft 2 Wing Area -629 sq Length -4 ft Bin Powerpant 12 Strands Rubberband Totaling 28 feet Length Propeller -2 Blade 16 Diameter Folding Gross Weight 1 Pounds Altitude Maximum 75 ft Distance Max Zero Wind Adjustable Rudder Trim $2995 ADD $400 FOR SHIPPING INCLUDESHANDLING IIFREE PILOTMichigan Residents LJ COURSE AND LICENSEAdd 4% Sales Tax GOLIATH WHIRLWIND AIRCRAFT INC Lathrup Village Michigan 48076 313540-0231 June 1984 53 flair correctly autorotate safely As far reliability concerned Su perior really holds up blades tend stay track after hardest pullouts would recommend machine anyone looking high-quality general sportcompetition Helicopter careful atten tion should give hours flight before parts start wear As final comment disap pointed aerobatic qualities Superior find ironic machine has done well several contests around world Although Ewald Heim wins Helicopter competitions Europe Star-Ranger common see Superiors finishing close tail second third positions possible am doing something wrong Superioror maybe FAI judges looking something fast-flying acrobats Next month will review Futaba 7GH Helicopter radio discuss van ous features make Helicopter radio what Until next monthBCNU Larry Jolly 5501 W Como Santa Ana CA 92703 RC Giant Scale/Beckman Continued page 53 aircraft lots wings wires Construction basic rugged good selections readily-available spruce pine replacing balsa needed strength arent really beginners models experienced modeler beginner some experienced help will have no trouble some ways building models now will easier first designed days didnt have Giant Scale accessories hinges horns wheels etc avail able now Jerry shows two different airfoils plans semi-symmetrical sport wing obviously scale other undercambered scale air foil latter looks little thick havent researched Im probably wrong sport wing required good flying Most aircraft designs onequarter scale will fly much like real ones have scale outlines airfoils would expect sport wing fly little faster little less floaty big gest advantage sport wing will little easier build has room mounting servos like WW designs wings things two hard beat Im trying find time build Triplane Plans $20 includes shipping plans rolled tube Par tial kits available $130 Pup $140 Triplane Send Behrens Plan Ser vice 3 1-27 Healy Ave Far Rockaway NY 11619 Bryon Fun-Fly Festival Byron Originals hosting Giant Scale Fun-Fly Festival r mmmmmm~rn1 IMode~ Catalog I II II Hundreds unusual tools borrowed Jewelr UGunsmilhing Clock Making professional IModel Making trades NOW AVAiLABLE TO YOU BY MAIL guaranteedI 6II ~thisorsendur couponname address MICROMARK Box 5112 LX ast Main St Clinton NJ 08809 NAME EADDRESS CITY __________________________________________________________ STATE ______ ZIP mJ b third year row annual IMAA Fun-Fly Festival 1984 will held Los Angeles August 16-19 Byron event will same week end three days August 17-19 Anyone attended first two Ida Grove events knows kind facilities provided year Byron nouncement talks about paved runway scale hanger scale tower radar checking flight speed Christen Eagles will hand again last year event provides nice alternative modelers Midwest cannot make trek Los Angeles plan go make motel reservations early few accommodations Ida Grove itself expect up 60 miles away Campers motor homes can probably get space Ida Grove dont crash plane week before Without plane fly part show will just another duespaying spectator behind ropes Bob Beckman 8248 Holly Grove Ct Manassas VA 22110 Props/Hostetler Continued ae 59 length blade Photo 21 shows cross section prop blade sev eral pointsfrom near hub within 3/8 tip sections similar Clark Y airfoil Note back side prop flat leading edge trailing edge point though appears curved finished propeller appearance curve due changing pitch degrees different sta tions about 25 deg near hub 9 deg tip Duplicating other props Directly meas ure diameter blade width thickness hub Set prop its trailing edge flat surface Photo 22 Use two pieces stiff paper card stock equal square 90-deg corners guides measure dimen sions measuring distance between cards various points along prop blade record re sults Transfer information leading edge prop blank A2 B2 sketches Trace profile prop transfer prop blank proceed Step 3 want emphasize con struction information means introduce very interesting area Giant Scale modeling Actually mak ing prop much easier explain ing reading little practice wrn able com plete prop less 45 mm hope enjoy fascinating area modeling much FF Old-Timers/Haught Continued page 61 Mills PA 16875 Martin tells miniature lightweight ignition coils have well-received has encouraged him expand line latest additions metal AAA battery boxes recharga ble AAA batteries firm also has charger AAA batteries pro vides longer battery service money well keeping all-up flying weight minimum system has differ ence between competitive model dog Snuffy Other users Gettig system have reported good results meContinued page 160 June 1984 157 ROM M icro Mark Small Tool Specialists
Edition: Model Aviation - 1984/06
Page Numbers: 52, 53, 157
NEW QUADRAS Yes some new things Quadra some may surprising First new Quadras coming out factory now equipped Quadras ver sion spring starter has become popular last year still consider starter single useful accessory ever developed Giant Scale engines dont know details under stand Quadra will install starter new engines being manufactured however will provide starters older en gines PK Products PO Box 6226 Hay ward CA 94540 source H&K SuperStarter earlier Quadras several other engines Next Q50 has modified new version designated Q5OS addition starter have some other use ful changes porting has changed Quadra claims 15% power increase result cylinder has rotated carb now same side Q35 will help simplify dropping Q50S plane place Q35 carb still isnt same location least isnt clear around other side spark plug has changed also new physically smaller cuts down height engine just tad changes sound worthwhile Ill try include new version next Big Bangers article news really surprised Quadra now offering glow ignition ver sions both Q35 Q50 once commented glow engine big seemed to just device con verting money exhaust smoke After long talk Quadras Klaus Nowak change opinion ttle Klaus pointed out really aiming glow versions European market gasoline-fueled engines have very popular Since price gasoline European countries much differ ent methanol no real economic advantageas long dont need nitro methane mix Another factor difference life-styles country us live houses usually gar ages almost invariably gasoline-powered devices lawn mowers chainsaws etc Most us used handling gasoline have facilities its storage much higher percentage Euro pean modelers live apartments sel dom have garages cars storage gasoline can problem looked viewpoint glow-ignition Quadras make sense also explains engines like Bully originally designed glow operation later converted ignition sale Some US modelers will interested advantages offered engines despite higher operating costs first advantage about half-pound weight reduction take flywheel ignition system off Next significant crease power output resultant power-to-weight ratio Scale modelers looking Pattern-type per fonnance large model things can valuable think average Giant Scaler country will want stick spark-ignition gasoline-fueled en gine Sixth Annual Tom Sawyer Park Louisville Radio Control Club River City Radio Control Club Tom Saw yer Flying Association sponsoring Sixth Annual Giant Scale Fly-In weekend June 30-July 1 has very popular event past drawing fliers Midwest South site Tom Sawyer Park near Louis ville KY nicest modelflying facilities around lucky enough IMAAs International Miniature Aircraft Association first FFF Fun-Fly Festival 1981 have nice paved strip adjacent grass prefer same three clubs took job running IMAA event did out standing job am sure largest group participants ever handle know what doing Fly-In sure well-mn affair information contact Tom Bennett 3518 Dutchmans Lane Louisville KY 40205 Phone 502 451-5511 Behrens Tripehound Pup plans Sev eral times past columns have mentioned Jerry Behrens reviewed some plans Jerry first Giant Scale enthusiasts make plans projects available others fact two items have available almost eight years Im sure believe Sopwith Pup came first followed 1976 Sopwith Triplane copy Triplane plans dicate revised 1982 Both models quarter-scale designed Q35 Quadra Big Banger readily avaialble midSeventies lots lift available projected weight about 17 lb good performers newer 12 ci four-cycle engines would adequate espe cially can hold weight down around 15 lbs birds going 52 Model Aviation Another beautiful example Jerry Behrens worka Treveleire 2000 Plans revIewed June 82 Ted Fletchera Beechoraft G-17S Staggerwlng lifts off paved strip Tom Sawyer Park near Louisville KY SIxth Annual Giant Scale Fly-In will held June 30-July 11984 fly like Pitts going fly realistically addition scale tailskids high centers gravity ground handling will also realistic ie nonexistent plan package consists two draw ings about 3 ft 5 ft instruction booklet plans themselves de ceptively simple appearance con junction booklet contain some clever techniques Both models designed easy transportation quick assembly disassembly field arent easiest things get quarter-scale Continued page 157 latest-model Quadrathe Q505appears photo left Read Bobs column details interesting new features modelplus recent developments Quadra Jerry Behrens has brought planes plans sells Toledo regular basis several yaars above Sorry say health prob lems will keep him away year Bob reviews Sopwith Pup Triplane plans monthsays theyre still great designs LARGEST RUBBERBAND POWERED AIRCRAFT WORLDS READY TO FLYDesigned Hal Pappy de Bolt ONO BUILDINGOVER 6 FOOT 46 Gollath _________________ ii King Condor SPECIFICATIONS S S S 0 FOR KIDS AGES 10 80 Guaranteed Absolutely Amaze Its Superior Flying Ability DEALERS INQUIRIES INVITED WINGSPAN S l3GOLI*TH WHISIWINO AIRCRAFT INC PATENT STNAINO 4/ Made Durable Injection Molded Foam Plastic CHECK MO lI4I ACCEPTED z.xMASTERCARD PO BOX 589 -A Wing Span -6 ft 2 Wing Area -629 sq Length -4 ft Bin Powerpant 12 Strands Rubberband Totaling 28 feet Length Propeller -2 Blade 16 Diameter Folding Gross Weight 1 Pounds Altitude Maximum 75 ft Distance Max Zero Wind Adjustable Rudder Trim $2995 ADD $400 FOR SHIPPING INCLUDESHANDLING IIFREE PILOTMichigan Residents LJ COURSE AND LICENSEAdd 4% Sales Tax GOLIATH WHIRLWIND AIRCRAFT INC Lathrup Village Michigan 48076 313540-0231 June 1984 53 flair correctly autorotate safely As far reliability concerned Su perior really holds up blades tend stay track after hardest pullouts would recommend machine anyone looking high-quality general sportcompetition Helicopter careful atten tion should give hours flight before parts start wear As final comment disap pointed aerobatic qualities Superior find ironic machine has done well several contests around world Although Ewald Heim wins Helicopter competitions Europe Star-Ranger common see Superiors finishing close tail second third positions possible am doing something wrong Superioror maybe FAI judges looking something fast-flying acrobats Next month will review Futaba 7GH Helicopter radio discuss van ous features make Helicopter radio what Until next monthBCNU Larry Jolly 5501 W Como Santa Ana CA 92703 RC Giant Scale/Beckman Continued page 53 aircraft lots wings wires Construction basic rugged good selections readily-available spruce pine replacing balsa needed strength arent really beginners models experienced modeler beginner some experienced help will have no trouble some ways building models now will easier first designed days didnt have Giant Scale accessories hinges horns wheels etc avail able now Jerry shows two different airfoils plans semi-symmetrical sport wing obviously scale other undercambered scale air foil latter looks little thick havent researched Im probably wrong sport wing required good flying Most aircraft designs onequarter scale will fly much like real ones have scale outlines airfoils would expect sport wing fly little faster little less floaty big gest advantage sport wing will little easier build has room mounting servos like WW designs wings things two hard beat Im trying find time build Triplane Plans $20 includes shipping plans rolled tube Par tial kits available $130 Pup $140 Triplane Send Behrens Plan Ser vice 3 1-27 Healy Ave Far Rockaway NY 11619 Bryon Fun-Fly Festival Byron Originals hosting Giant Scale Fun-Fly Festival r mmmmmm~rn1 IMode~ Catalog I II II Hundreds unusual tools borrowed Jewelr UGunsmilhing Clock Making professional IModel Making trades NOW AVAiLABLE TO YOU BY MAIL guaranteedI 6II ~thisorsendur couponname address MICROMARK Box 5112 LX ast Main St Clinton NJ 08809 NAME EADDRESS CITY __________________________________________________________ STATE ______ ZIP mJ b third year row annual IMAA Fun-Fly Festival 1984 will held Los Angeles August 16-19 Byron event will same week end three days August 17-19 Anyone attended first two Ida Grove events knows kind facilities provided year Byron nouncement talks about paved runway scale hanger scale tower radar checking flight speed Christen Eagles will hand again last year event provides nice alternative modelers Midwest cannot make trek Los Angeles plan go make motel reservations early few accommodations Ida Grove itself expect up 60 miles away Campers motor homes can probably get space Ida Grove dont crash plane week before Without plane fly part show will just another duespaying spectator behind ropes Bob Beckman 8248 Holly Grove Ct Manassas VA 22110 Props/Hostetler Continued ae 59 length blade Photo 21 shows cross section prop blade sev eral pointsfrom near hub within 3/8 tip sections similar Clark Y airfoil Note back side prop flat leading edge trailing edge point though appears curved finished propeller appearance curve due changing pitch degrees different sta tions about 25 deg near hub 9 deg tip Duplicating other props Directly meas ure diameter blade width thickness hub Set prop its trailing edge flat surface Photo 22 Use two pieces stiff paper card stock equal square 90-deg corners guides measure dimen sions measuring distance between cards various points along prop blade record re sults Transfer information leading edge prop blank A2 B2 sketches Trace profile prop transfer prop blank proceed Step 3 want emphasize con struction information means introduce very interesting area Giant Scale modeling Actually mak ing prop much easier explain ing reading little practice wrn able com plete prop less 45 mm hope enjoy fascinating area modeling much FF Old-Timers/Haught Continued page 61 Mills PA 16875 Martin tells miniature lightweight ignition coils have well-received has encouraged him expand line latest additions metal AAA battery boxes recharga ble AAA batteries firm also has charger AAA batteries pro vides longer battery service money well keeping all-up flying weight minimum system has differ ence between competitive model dog Snuffy Other users Gettig system have reported good results meContinued page 160 June 1984 157 ROM M icro Mark Small Tool Specialists