1991 AMA FF NATIONALS NFFS proposed last October Free Flight portion 1991 AMA Nationals held third week June Lawrenceville Illinois AMA Executive Council confirmed date late January surely hope can eventually get point planning annual get-togethers early enough allow year lead time would helpful lot less frustrating concerned rate Lville site dates June 16 through 22 50 havent done already may want make vacation plans now Along normal AMA event schedule NFFS will again sponsor Nostalgia Gas Championships array other Special Events Stir myriad Old Timer events sponsored once again SAM 57 add Flying Aces Club ticket well neat-flying Scale jobs should another great session Free Flight activity See Shopping Mail Former USA FAI Power Team member Norm Poti has offering very successful custommade high-performance fiberglass propellers associated propeller accessories some time now products meticulously fabricated intended use high rpm engines 40s Available rigid prop sizes range 7 through 10 Cadillac props being folder individual fiberglass blades FAI use Since folder quite expensive produce might expect Norm also sells individual components separately offset cost possible subsequent flight damage current molding process includes full length glass strands tip inserts fiberglass cloth prevent splitting fraying blade tips high revolutions Since props molded oversized lengths custom diameters also available entire prop design matter should have configurations own mind Any work latter regard handled confidentially desired price rigid props ranges $7-b unfinished specimens may add another $3 per prop receive finished product complete folder offered $60 components priced accordingly can send SASE complete price listing Personal attention given inquiries address Potis Hangar Products 5695 Marshall Rd Dayton Ohio 45429 Late last fall Lee Campbell decided once again devote full time hobby supply businessCampbells Custom Kits As result steady flow additional products has oozing output vent fine enterprise supports various needs competition Free Flighter Among latest offerings new Class Gas design Dave Platt AB version Russ Hansens famous NFFS Nostalgia Gas eligible T-Bird Daves design easy-to-build 432 sq gassie called Slow Worm intended 09 15 size engines T-Bird 50% enlargement fabled Half-A model originally kitted Midwest Products years past 526 square inch version intended 19 25 size engines type approved Nostalgia Gas events Both kits sport ready-cutout parts incorporate top quality wood throughout particular note small diameter thin-walled flexible latex fuel tubing Lee peddles 60 cents per foot stuff ideally suited use relatively weak-springed toy timer mechanisms knowledge first tubing size has made commercially available modelers some years Its good stuff Slow Worm goes $4998 T-Bird $5998 plus $250 ship UPS domestically address 401 Executive Center Drive H-108 West Palm Beach Florida 33401 Also will want copy quite descriptive catalog additional obtainable products toss another buck item No work room complete Keep em comm Lee AJ s Free Flight Service has announced latest kit venture June 1991 61 ELUi Duration Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 1AA Nostalgia Gas Zeek 144 belonging columnist first find newly planted trees WPAFB few incidents trees could sud denly become afflicted chain saw blight Guy Scott readies rear-finned Satellite 788 official flight WPAFB Model helped Guy win Central Indiana ClubPower Champ category 1990 num ber First place wins throughout sum mer Jim Haught sheety idea built FlA A2 Nordic glider wing allbalsa sheet construction thus desig nated name model NFFS Publications Mgr Fred Terzian second place VzA NosGas T-Bird 1990 USFFC Model short-fused its sixth flightPilot error strikes again Terzian photo producing 440 sq size Don Alberts 1955 AMA Nationals /2A Gas winner SWAT South West Aero Team Albuquerque New Mexico original model 200 sq powered Atwood 049 admittedly influenced CIVY Boy SAN De Hogan designs era 440 size engineered Gene Post reportedly first total three sizes eventually produced AJ year kit complete machine cut parts rolled plans other niceties sells $3495 plus $3 UPS front door addition offer long handled needle valve K&B green head engines keep fingers away nasty spinning props go $2 plus 50 cents postageor buy five once postage free First come first served sez AJ supply limited also will send catalog additional dollar bill address Al s Free Flight Service 4840 E Leisure Fresno California 93727 Al Lidbergs latest super detailed flying scale rubber model plan packet Charles Lindbergs Miles Mohawk 1 1 ft 35 wingspan rendition real looker should whet appetite Rubber Scale buff get lost absorbing histories subject model included Als plan packets no different seems Lindy ducked out England escape incessant publicity following tragedy sons kidnapping As leading aviation figure era choice aircraft builders over world Miles came up twoplace low wing design liking though two aircraft actually built Lindbergs eventually assembled flown utilized craft various missions capitals Europe single Mohawk ultimately pressed military service during World War II sold afterwards become racer Subsequently machine disappeared years reclaimed junkyard Spain 1977 currently being restored display purposes Man some vintage airplanes could talk Anyway plan packet goes usual $6 plus 15% postage care receive order rolled tube recommend postage flat $250 address AA Lidberg Model Plan service 614 E Fordham Dr Tempe Arizona 85283 Its money well spent Reinforced wing spars Norm Poti also contributed following information fabricating indestructible carbonreinforced wing joiner spars use FM FlC power model construction states since current trends FlC wing design towards higher aspect ratios thinner airfoils success such Continued page 183 62 Model Aviation nn P LA Al Lidbergs latest flying scale plan packet subject 35 Miles Mohawk original oneof-a-kind full scale aircraft led Interesting life Lldberg photo High performance fiberglass props Potis Hangar latest construction kit releases Campbells Custom Kits among items revIewed months column HL-2 excellent flierin fact its really too good Ive almost lost twice thermals little 3 1/2-Oz ship flew eight 10 minutes one-third charge chase nearly mile time Ive never charged battery pack 40 percent capacity Normalthat nonthermalduration ranges 145 215 first Scale semiscale model Ive built begs dethermalizer closing wish thank James R Smith reviewing construction sequences making number helpful suggestions References Cynk Jerzy B Polish Aircraft 1893-1 939 Hannan Bill International Peanuts & Pistachios vol 5 Fly Electric FF Duration/Murphy Continued page 62 design highly dependent ability wings handle tremendous bending loads failure Two-piece wings compound problem placing joint maximum load location obviously center wing Since %2 music wire wing joiners utilized good success past decade bench test goal established fabricate spar would successfully bend %2 wire before spar itself might fail Initial tests indicated glues alone would accomplish requirement ultimately technique spiral wrapping structure Kevlar thread developed transferred loads thread making type glues used basically unimportant next step tailor weights thicknesses various materials arrive optimum-strength lowestweight determination An inadvertent field test came about model nosed full power dive 1000 ft up smacked concrete runway WPAFB wing did W THE SUPERIOR GLOW PLUGS FOR AST FLYERS ARE BA CK II Puts sting engine Unique flat-wound spiral coil element high temperature glass-to-metal seal add up faster ignition increased RPM 1 /2A GloBee plugs designed exclusivelyfor 0491051 Cox engines Ask new GB-5RX Speed Plug GB-SR Racing Plug GB-5P Sport Plug local dealer today unavailable locally write call Twinn-K collect pricing delivery information FREE GloBee Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 flutter fold under stress dive examination remains yielded unscathed spar spar removed wing rewrapped Kevlar thread used subsequent wing sketch showing double tapered spar fabrication should rather selfexplanatory actual root tip dimensions depending particular wing panel length airfoil used Note carbon-reinforced basswood sides 12 long help make up joiner box inboard end fabricated spar calculator handy tool compute dimensions various tapered locations step-by-step recommended procedure would first determine required dimensions components including balsa core inboard end balsa core 2 shorter top bottom carbon plates permit pocket receive brass tube joiner wire initial construction step epoxy 4-in length 007 carbon onto end 12-in long 3-in wide sheet / basswood cut four 12in long strips now carbonreinforced basswood width desired root dimension become sides spars Now cut tapered balsa core straight grain 6-7 balsa can sanded shape initial /s square oversized Y16 sq stock depending required dimensions top bottom caps tapered strips 021 thick carbon sheet components trimmed shape spar assembled using cyanoacrylate cement CA After final sanding spiral wrap assembled spar using Kevlar thread pitch /64 root increasing 3A6-in pitch outboard end cement coat retain place Norm states pair finished joiner spars using technique should tip scales 10 11 grams completed spar used construction wing panel upon completion 2-in length Y32 ID brass tubing potted place previously hollow carbon box end using mixture epoxy microballoons Obviously foregoing condensed version how-its done care detailed instructions send SASE Norm will gladly send copy formal uncondensed article total process have space relate word-for-word Norms address found elsewhere column certainly thank him quite informative building tip FF Publications 1990 edition National Free Flight Society Symposia 129-page collection design theory plans photos interest Free Flighters worldwide still available Symposia has published fail annually NFFS since 1968 issue covers various aspects both Indoor Outdoor Free Flight stateof-the-art competition well sport flying Among other items features current issue contains power articles hiUlVIlidli UUMV jj 1/ 1/ scale $795 iJIUV P/H Full figures $1995 plus $4 P/HCivilians 1/3 1/4 scale WWI Barnstormer 1/4 WWII Navy 1/5 WWII USAAF 1/ scales Ask Officers Gentlemen pilots name favorite hobby shop call name dealer nearest ordering direct include check money order MCNISA account number exp date Ohficuts Gmntlmmmn 537-7323 Box 537 RD 2 Hampton NJ 08827 June 1991 183 Mace White Laminating Epoxy & Fiberglass Strong Lightweight No Pin Holes tle e Construction dor BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINTQUART 00/0 Nitromethane 5% Nitromethane$325$495 100/0 Nitromethane$395$535 150/0 Nitrornethan$395$625 25% Nitromethane$495$795 350/0 Nitromethane$595$895 GALLON $995 $1195 $1395 $1595 $2095 $2595 SIG PREMIUM 4-STROKE FUEL 100/a Nitromethane$1325 15% Nitromethane$1525 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtd change nOtiCi See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO. Montezuma IA 50171 U U U I I I U U U U U U U U U U U U U ..u.... U -1 thrust effect winglets Rubber articles rubber energy storage winding stands power calculations Glider articles regard composite structures molding spars FlA wing design numerous other features including 3-views text regard Ten Models-ofthe-Year selected honored NFFS addition complete upto-date listings previous Nationals high time winners since 1922 previous NFFS Top Ten Winners since awards first presented 1970 great issue kudos go Jim Bennett another stellar effort editor can get copy sending $16 plus $2 postage Fred Terzian 4858 Moorpark Ave San Jose California 95129 Send additional $2 non-member NFFS pays belong can also remedy situation sending $15 Nat Comfort 12324 Percival St Chester Virginia 23831 join NFFS renew current annual membership membership also brings NFFS Digest ably edited Chris Weinrich keeps informed Free Flight happenings about plus action business end NFFS 1991 big year NFFS takes great step reorganize member-represented structure will want part join now British equivalent NFFS Sympo Free Flight Forum 1990 issue 80-page collection articles plans cartoons photographs includes such topics stall remedies FlA design construction art magnetic soaring history FiB development John ODonnells Tips Win price FFF 90 83 British pounds Checks should made out pounds sterling drawn bank British branch payable Newham Beaumont Spring Cottage Spring Street Epsom Surrey KT17 1UH England Most proceeds sale publication go British FAI Team travel fund says Mr Beaumont Maybe next year Mr Beaumont could make arrangements us foreigners use plastic money such VISA Mastercard would surely entice place orders going futile search British branch bank Percys Junction Indiana USA fitting give equal space Canadian friends drawing attention recent revival Vol Libre Canada bi-monthly issuance contains least 3-view plan detail notes contemporary competition model flown either FAI Open classes together competition reports technica features how-to tips often some lively independent opinions address Canada Free Flight 213 Lakewood Dr Oakville Ontario L6K 1B3 Tel em Duration sent up Newsletter Spotlight happy see Bill Bogart has pumped new lift SCAT clubs newsletter after few months absence mails SCAT buzz-word Southern California Aero Team newsletter called Scatter club somewhat unique its specialty FAI Free Flight its membership roster loaded names associated International Free Flight competition Should interests run along lines may wish keep ear ground accordingly subscribing Scatter its 12 annual issues $15 address Jim Wilson Mgr 11030 Avenue D Redondo Beach California 90277 Another west coast free flight club issues monthly newsletters Oakland Cloud Dusters long-standing organization supports nearly forms Free Flight some RC Assist activity well Herb Robbins current publisher can get newsletter mailings sending $10 Herb 16251 Lilac Lane Los Gatos California 95032-3524 IIIBeD king newsletters caught amusing little tale back Minneapolis Model Aero Club newsletter seems Rubber Scale modeler 184 Model Aviation test flying new model dived hard ground broke off wing Ill d said modeler glued wing back next flight model dived ground both wings broke off Ill d said modeler time minister passing heard modelers exclamation said son shouldnt swear something like happens What should say Praise Lord modeler reattached wings let model go again sure enough smacked ground shattered number pieces Praise Lord shouted modeler pieces leapt up off ground reattached themselves remainder model took off suddenly disappeared overhead Well Ill d said minister So much humor department See downwind FF Sport & Scale/Warner Continued page 64 light mist 3M adhesive back have used typing paper before find effective bit heavy Fibe-Mini comes Leonard Duke Kalamazoo Michigan points out Frank Zaic page 171 Model Glider Design tells us tissue shrinks wetted because fibers get fatter shorter Leonard theorizes perhaps due water being trapped fibers Fibe-Mini miracle fiber drink Japan ks putting water high concentration solute around fibers draws water out fibers osmotic pressure Sort way salty water pulls water out red blood cells osmosis under microscope biology class thinks maybe Metamucil drugstore fiber laxative water cook oatmeal would sources fiber experiment dont work maybe MSG monosodium glutamate found Accent meat tenderizer will Well got 51% fast lab little better half work problem dissolving two teaspoons Metamucil cup water trying four special 4 X 4-in tissue-covered frames made up occasion warped much tried plain tap water tried stronger solution Metamucil done up blender got same warpage remaining test squares used 50% Fibe Mini 50% water solution just snugged paper up warping fragile frame used Fibe-Mini full strength badly warped watershrunk square relaxed paper much went Pringle shape floppy condition dried problem remains find substitute Fibe-Mini other Japanese grocery store Keep experimenting guys Attention WACO lovers think Weaver Aircraft Company produced finest aeroplanes ever worthy name youll Want aware new organization called International WACO Association have premiere issue magazine before 24 pages delight Its glossy mouth-watering picsa Red Cross YKS-7 floats Norway new YMF-5 WACOS shot DH Gipsy six installation YQC-6 fuselage Australia UPF-7 WACO 4 histories Jacobs R-755 engine installation factory print close up photo plus some invaluable sources info WACOs people own em willing share knowledge expertise future quarterly issues good first might find $25 $35 Canada foreign membership worth IWA Aviation Heritage people seem same address PO Box 2065 Terre Haute Indiana 47802 Paul Matts famous WACO 3-view drawings available Aviation Heritage end operation /2in/ft can ordered calling 800/999-0141 UMFIYMF-5 UPF-7 YKS-6 have WACO model airplane pix Larry Ladd model Columnist IWA would love feature em Contact Larry 6547 St Marys Rd Floyds Knobs IN 47119 Annoying little wrinkles corners tissue bridges sharp angle can either anticipated prevented gusseting bracing structure before covering giving Paul Mcllrath treatment Paul says take sharp razor blade cut slit about 3/~ long about 45 ss corner provide stress relief Over period time June 1991 185 fMASIING JMASTEk IL * FINE- LINE CRISP EDGE CUT STRIPING & DESIGN * LOWTACK LEA KPROOF MASKING TAPE * EACH KIT CONTAINS * TWO 72 YD ROLLS POLY MASK % * TWO 36 YD ROLLS VINYL MASK yfeIh * ONE 60 YD ROLL OF FINE LINE MASK f/ * THREE 60 YD ROLLS OF CREPE FINE LINE MASK 2at W *CONORMAL J FRIENPLY THE FAEST QUALITY M4SKING & FINE- LINE TAPE EVER AVAILABLE TO cZIIODELERjS USE WITH NITRATE C CUTYRATE LAG UER EPOXY ENAMEL & POLY-fJ PAINTSSATISFACTION 0L*ARAMTEf 0 M#f SPEAL PRICE SEND 10 TEGHTAPE GMASJINQ TECHAZQgY SNIPE HAFEWLAEO P0 BOX 230 LIVINGSTON NJ 07039 wmnt RecognizedCSA CertifiedAedesson File NoFile No.d Pawr E26226LR25154Prodacte lee Only certified checks money orders accepted Minimum order $1400 three packages 014 Pomerpoles 1*400 tter package $200 Chipping handlingi CT residents odd aztec tao Prices subject change notice DEALER INQUIRIES INVITED Fo further intormation dealer prces send SASE Boniness Cad SERMOS RIC SNAP CONNECTOR8 Inc Cedar Corners Station Box 16787 Stamford CT 06905203 322-6294 NEW Florlo Flyers STUNT WAGON Now Only $6995 Wing Span- 50 Anna 786 sq Length -405 Poorer 25 40 ci Design Weight -3to4 lbs Features maple engine rails band-sawn parts formed music wire landing gear isolated exposed fuel tank compartment strong durable balsa construction throughout Designed ba flown computer redloel Radical design performance conventional construction Boa competition Fun Fly contender Ask Florlo Flyer STUNT WAGON favorite hobby shop first direct orders add $4 SEt-H per kit Z Send free Florio Flyer catalog VISA & Mc accepted PA Residents sdd 8% sales tan Florio Flyer Corp 937 Johnsonburg Rd. St Marys PA 15887 814 834-2586
Edition: Model Aviation - 1991/06
Page Numbers: 61, 62, 183, 184, 185
1991 AMA FF NATIONALS NFFS proposed last October Free Flight portion 1991 AMA Nationals held third week June Lawrenceville Illinois AMA Executive Council confirmed date late January surely hope can eventually get point planning annual get-togethers early enough allow year lead time would helpful lot less frustrating concerned rate Lville site dates June 16 through 22 50 havent done already may want make vacation plans now Along normal AMA event schedule NFFS will again sponsor Nostalgia Gas Championships array other Special Events Stir myriad Old Timer events sponsored once again SAM 57 add Flying Aces Club ticket well neat-flying Scale jobs should another great session Free Flight activity See Shopping Mail Former USA FAI Power Team member Norm Poti has offering very successful custommade high-performance fiberglass propellers associated propeller accessories some time now products meticulously fabricated intended use high rpm engines 40s Available rigid prop sizes range 7 through 10 Cadillac props being folder individual fiberglass blades FAI use Since folder quite expensive produce might expect Norm also sells individual components separately offset cost possible subsequent flight damage current molding process includes full length glass strands tip inserts fiberglass cloth prevent splitting fraying blade tips high revolutions Since props molded oversized lengths custom diameters also available entire prop design matter should have configurations own mind Any work latter regard handled confidentially desired price rigid props ranges $7-b unfinished specimens may add another $3 per prop receive finished product complete folder offered $60 components priced accordingly can send SASE complete price listing Personal attention given inquiries address Potis Hangar Products 5695 Marshall Rd Dayton Ohio 45429 Late last fall Lee Campbell decided once again devote full time hobby supply businessCampbells Custom Kits As result steady flow additional products has oozing output vent fine enterprise supports various needs competition Free Flighter Among latest offerings new Class Gas design Dave Platt AB version Russ Hansens famous NFFS Nostalgia Gas eligible T-Bird Daves design easy-to-build 432 sq gassie called Slow Worm intended 09 15 size engines T-Bird 50% enlargement fabled Half-A model originally kitted Midwest Products years past 526 square inch version intended 19 25 size engines type approved Nostalgia Gas events Both kits sport ready-cutout parts incorporate top quality wood throughout particular note small diameter thin-walled flexible latex fuel tubing Lee peddles 60 cents per foot stuff ideally suited use relatively weak-springed toy timer mechanisms knowledge first tubing size has made commercially available modelers some years Its good stuff Slow Worm goes $4998 T-Bird $5998 plus $250 ship UPS domestically address 401 Executive Center Drive H-108 West Palm Beach Florida 33401 Also will want copy quite descriptive catalog additional obtainable products toss another buck item No work room complete Keep em comm Lee AJ s Free Flight Service has announced latest kit venture June 1991 61 ELUi Duration Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 1AA Nostalgia Gas Zeek 144 belonging columnist first find newly planted trees WPAFB few incidents trees could sud denly become afflicted chain saw blight Guy Scott readies rear-finned Satellite 788 official flight WPAFB Model helped Guy win Central Indiana ClubPower Champ category 1990 num ber First place wins throughout sum mer Jim Haught sheety idea built FlA A2 Nordic glider wing allbalsa sheet construction thus desig nated name model NFFS Publications Mgr Fred Terzian second place VzA NosGas T-Bird 1990 USFFC Model short-fused its sixth flightPilot error strikes again Terzian photo producing 440 sq size Don Alberts 1955 AMA Nationals /2A Gas winner SWAT South West Aero Team Albuquerque New Mexico original model 200 sq powered Atwood 049 admittedly influenced CIVY Boy SAN De Hogan designs era 440 size engineered Gene Post reportedly first total three sizes eventually produced AJ year kit complete machine cut parts rolled plans other niceties sells $3495 plus $3 UPS front door addition offer long handled needle valve K&B green head engines keep fingers away nasty spinning props go $2 plus 50 cents postageor buy five once postage free First come first served sez AJ supply limited also will send catalog additional dollar bill address Al s Free Flight Service 4840 E Leisure Fresno California 93727 Al Lidbergs latest super detailed flying scale rubber model plan packet Charles Lindbergs Miles Mohawk 1 1 ft 35 wingspan rendition real looker should whet appetite Rubber Scale buff get lost absorbing histories subject model included Als plan packets no different seems Lindy ducked out England escape incessant publicity following tragedy sons kidnapping As leading aviation figure era choice aircraft builders over world Miles came up twoplace low wing design liking though two aircraft actually built Lindbergs eventually assembled flown utilized craft various missions capitals Europe single Mohawk ultimately pressed military service during World War II sold afterwards become racer Subsequently machine disappeared years reclaimed junkyard Spain 1977 currently being restored display purposes Man some vintage airplanes could talk Anyway plan packet goes usual $6 plus 15% postage care receive order rolled tube recommend postage flat $250 address AA Lidberg Model Plan service 614 E Fordham Dr Tempe Arizona 85283 Its money well spent Reinforced wing spars Norm Poti also contributed following information fabricating indestructible carbonreinforced wing joiner spars use FM FlC power model construction states since current trends FlC wing design towards higher aspect ratios thinner airfoils success such Continued page 183 62 Model Aviation nn P LA Al Lidbergs latest flying scale plan packet subject 35 Miles Mohawk original oneof-a-kind full scale aircraft led Interesting life Lldberg photo High performance fiberglass props Potis Hangar latest construction kit releases Campbells Custom Kits among items revIewed months column HL-2 excellent flierin fact its really too good Ive almost lost twice thermals little 3 1/2-Oz ship flew eight 10 minutes one-third charge chase nearly mile time Ive never charged battery pack 40 percent capacity Normalthat nonthermalduration ranges 145 215 first Scale semiscale model Ive built begs dethermalizer closing wish thank James R Smith reviewing construction sequences making number helpful suggestions References Cynk Jerzy B Polish Aircraft 1893-1 939 Hannan Bill International Peanuts & Pistachios vol 5 Fly Electric FF Duration/Murphy Continued page 62 design highly dependent ability wings handle tremendous bending loads failure Two-piece wings compound problem placing joint maximum load location obviously center wing Since %2 music wire wing joiners utilized good success past decade bench test goal established fabricate spar would successfully bend %2 wire before spar itself might fail Initial tests indicated glues alone would accomplish requirement ultimately technique spiral wrapping structure Kevlar thread developed transferred loads thread making type glues used basically unimportant next step tailor weights thicknesses various materials arrive optimum-strength lowestweight determination An inadvertent field test came about model nosed full power dive 1000 ft up smacked concrete runway WPAFB wing did W THE SUPERIOR GLOW PLUGS FOR AST FLYERS ARE BA CK II Puts sting engine Unique flat-wound spiral coil element high temperature glass-to-metal seal add up faster ignition increased RPM 1 /2A GloBee plugs designed exclusivelyfor 0491051 Cox engines Ask new GB-5RX Speed Plug GB-SR Racing Plug GB-5P Sport Plug local dealer today unavailable locally write call Twinn-K collect pricing delivery information FREE GloBee Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 flutter fold under stress dive examination remains yielded unscathed spar spar removed wing rewrapped Kevlar thread used subsequent wing sketch showing double tapered spar fabrication should rather selfexplanatory actual root tip dimensions depending particular wing panel length airfoil used Note carbon-reinforced basswood sides 12 long help make up joiner box inboard end fabricated spar calculator handy tool compute dimensions various tapered locations step-by-step recommended procedure would first determine required dimensions components including balsa core inboard end balsa core 2 shorter top bottom carbon plates permit pocket receive brass tube joiner wire initial construction step epoxy 4-in length 007 carbon onto end 12-in long 3-in wide sheet / basswood cut four 12in long strips now carbonreinforced basswood width desired root dimension become sides spars Now cut tapered balsa core straight grain 6-7 balsa can sanded shape initial /s square oversized Y16 sq stock depending required dimensions top bottom caps tapered strips 021 thick carbon sheet components trimmed shape spar assembled using cyanoacrylate cement CA After final sanding spiral wrap assembled spar using Kevlar thread pitch /64 root increasing 3A6-in pitch outboard end cement coat retain place Norm states pair finished joiner spars using technique should tip scales 10 11 grams completed spar used construction wing panel upon completion 2-in length Y32 ID brass tubing potted place previously hollow carbon box end using mixture epoxy microballoons Obviously foregoing condensed version how-its done care detailed instructions send SASE Norm will gladly send copy formal uncondensed article total process have space relate word-for-word Norms address found elsewhere column certainly thank him quite informative building tip FF Publications 1990 edition National Free Flight Society Symposia 129-page collection design theory plans photos interest Free Flighters worldwide still available Symposia has published fail annually NFFS since 1968 issue covers various aspects both Indoor Outdoor Free Flight stateof-the-art competition well sport flying Among other items features current issue contains power articles hiUlVIlidli UUMV jj 1/ 1/ scale $795 iJIUV P/H Full figures $1995 plus $4 P/HCivilians 1/3 1/4 scale WWI Barnstormer 1/4 WWII Navy 1/5 WWII USAAF 1/ scales Ask Officers Gentlemen pilots name favorite hobby shop call name dealer nearest ordering direct include check money order MCNISA account number exp date Ohficuts Gmntlmmmn 537-7323 Box 537 RD 2 Hampton NJ 08827 June 1991 183 Mace White Laminating Epoxy & Fiberglass Strong Lightweight No Pin Holes tle e Construction dor BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINTQUART 00/0 Nitromethane 5% Nitromethane$325$495 100/0 Nitromethane$395$535 150/0 Nitrornethan$395$625 25% Nitromethane$495$795 350/0 Nitromethane$595$895 GALLON $995 $1195 $1395 $1595 $2095 $2595 SIG PREMIUM 4-STROKE FUEL 100/a Nitromethane$1325 15% Nitromethane$1525 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtd change nOtiCi See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO. Montezuma IA 50171 U U U I I I U U U U U U U U U U U U U ..u.... U -1 thrust effect winglets Rubber articles rubber energy storage winding stands power calculations Glider articles regard composite structures molding spars FlA wing design numerous other features including 3-views text regard Ten Models-ofthe-Year selected honored NFFS addition complete upto-date listings previous Nationals high time winners since 1922 previous NFFS Top Ten Winners since awards first presented 1970 great issue kudos go Jim Bennett another stellar effort editor can get copy sending $16 plus $2 postage Fred Terzian 4858 Moorpark Ave San Jose California 95129 Send additional $2 non-member NFFS pays belong can also remedy situation sending $15 Nat Comfort 12324 Percival St Chester Virginia 23831 join NFFS renew current annual membership membership also brings NFFS Digest ably edited Chris Weinrich keeps informed Free Flight happenings about plus action business end NFFS 1991 big year NFFS takes great step reorganize member-represented structure will want part join now British equivalent NFFS Sympo Free Flight Forum 1990 issue 80-page collection articles plans cartoons photographs includes such topics stall remedies FlA design construction art magnetic soaring history FiB development John ODonnells Tips Win price FFF 90 83 British pounds Checks should made out pounds sterling drawn bank British branch payable Newham Beaumont Spring Cottage Spring Street Epsom Surrey KT17 1UH England Most proceeds sale publication go British FAI Team travel fund says Mr Beaumont Maybe next year Mr Beaumont could make arrangements us foreigners use plastic money such VISA Mastercard would surely entice place orders going futile search British branch bank Percys Junction Indiana USA fitting give equal space Canadian friends drawing attention recent revival Vol Libre Canada bi-monthly issuance contains least 3-view plan detail notes contemporary competition model flown either FAI Open classes together competition reports technica features how-to tips often some lively independent opinions address Canada Free Flight 213 Lakewood Dr Oakville Ontario L6K 1B3 Tel em Duration sent up Newsletter Spotlight happy see Bill Bogart has pumped new lift SCAT clubs newsletter after few months absence mails SCAT buzz-word Southern California Aero Team newsletter called Scatter club somewhat unique its specialty FAI Free Flight its membership roster loaded names associated International Free Flight competition Should interests run along lines may wish keep ear ground accordingly subscribing Scatter its 12 annual issues $15 address Jim Wilson Mgr 11030 Avenue D Redondo Beach California 90277 Another west coast free flight club issues monthly newsletters Oakland Cloud Dusters long-standing organization supports nearly forms Free Flight some RC Assist activity well Herb Robbins current publisher can get newsletter mailings sending $10 Herb 16251 Lilac Lane Los Gatos California 95032-3524 IIIBeD king newsletters caught amusing little tale back Minneapolis Model Aero Club newsletter seems Rubber Scale modeler 184 Model Aviation test flying new model dived hard ground broke off wing Ill d said modeler glued wing back next flight model dived ground both wings broke off Ill d said modeler time minister passing heard modelers exclamation said son shouldnt swear something like happens What should say Praise Lord modeler reattached wings let model go again sure enough smacked ground shattered number pieces Praise Lord shouted modeler pieces leapt up off ground reattached themselves remainder model took off suddenly disappeared overhead Well Ill d said minister So much humor department See downwind FF Sport & Scale/Warner Continued page 64 light mist 3M adhesive back have used typing paper before find effective bit heavy Fibe-Mini comes Leonard Duke Kalamazoo Michigan points out Frank Zaic page 171 Model Glider Design tells us tissue shrinks wetted because fibers get fatter shorter Leonard theorizes perhaps due water being trapped fibers Fibe-Mini miracle fiber drink Japan ks putting water high concentration solute around fibers draws water out fibers osmotic pressure Sort way salty water pulls water out red blood cells osmosis under microscope biology class thinks maybe Metamucil drugstore fiber laxative water cook oatmeal would sources fiber experiment dont work maybe MSG monosodium glutamate found Accent meat tenderizer will Well got 51% fast lab little better half work problem dissolving two teaspoons Metamucil cup water trying four special 4 X 4-in tissue-covered frames made up occasion warped much tried plain tap water tried stronger solution Metamucil done up blender got same warpage remaining test squares used 50% Fibe Mini 50% water solution just snugged paper up warping fragile frame used Fibe-Mini full strength badly warped watershrunk square relaxed paper much went Pringle shape floppy condition dried problem remains find substitute Fibe-Mini other Japanese grocery store Keep experimenting guys Attention WACO lovers think Weaver Aircraft Company produced finest aeroplanes ever worthy name youll Want aware new organization called International WACO Association have premiere issue magazine before 24 pages delight Its glossy mouth-watering picsa Red Cross YKS-7 floats Norway new YMF-5 WACOS shot DH Gipsy six installation YQC-6 fuselage Australia UPF-7 WACO 4 histories Jacobs R-755 engine installation factory print close up photo plus some invaluable sources info WACOs people own em willing share knowledge expertise future quarterly issues good first might find $25 $35 Canada foreign membership worth IWA Aviation Heritage people seem same address PO Box 2065 Terre Haute Indiana 47802 Paul Matts famous WACO 3-view drawings available Aviation Heritage end operation /2in/ft can ordered calling 800/999-0141 UMFIYMF-5 UPF-7 YKS-6 have WACO model airplane pix Larry Ladd model Columnist IWA would love feature em Contact Larry 6547 St Marys Rd Floyds Knobs IN 47119 Annoying little wrinkles corners tissue bridges sharp angle can either anticipated prevented gusseting bracing structure before covering giving Paul Mcllrath treatment Paul says take sharp razor blade cut slit about 3/~ long about 45 ss corner provide stress relief Over period time June 1991 185 fMASIING JMASTEk IL * FINE- LINE CRISP EDGE CUT STRIPING & DESIGN * LOWTACK LEA KPROOF MASKING TAPE * EACH KIT CONTAINS * TWO 72 YD ROLLS POLY MASK % * TWO 36 YD ROLLS VINYL MASK yfeIh * ONE 60 YD ROLL OF FINE LINE MASK f/ * THREE 60 YD ROLLS OF CREPE FINE LINE MASK 2at W *CONORMAL J FRIENPLY THE FAEST QUALITY M4SKING & FINE- LINE TAPE EVER AVAILABLE TO cZIIODELERjS USE WITH NITRATE C CUTYRATE LAG UER EPOXY ENAMEL & POLY-fJ PAINTSSATISFACTION 0L*ARAMTEf 0 M#f SPEAL PRICE SEND 10 TEGHTAPE GMASJINQ TECHAZQgY SNIPE HAFEWLAEO P0 BOX 230 LIVINGSTON NJ 07039 wmnt RecognizedCSA CertifiedAedesson File NoFile No.d Pawr E26226LR25154Prodacte lee Only certified checks money orders accepted Minimum order $1400 three packages 014 Pomerpoles 1*400 tter package $200 Chipping handlingi CT residents odd aztec tao Prices subject change notice DEALER INQUIRIES INVITED Fo further intormation dealer prces send SASE Boniness Cad SERMOS RIC SNAP CONNECTOR8 Inc Cedar Corners Station Box 16787 Stamford CT 06905203 322-6294 NEW Florlo Flyers STUNT WAGON Now Only $6995 Wing Span- 50 Anna 786 sq Length -405 Poorer 25 40 ci Design Weight -3to4 lbs Features maple engine rails band-sawn parts formed music wire landing gear isolated exposed fuel tank compartment strong durable balsa construction throughout Designed ba flown computer redloel Radical design performance conventional construction Boa competition Fun Fly contender Ask Florlo Flyer STUNT WAGON favorite hobby shop first direct orders add $4 SEt-H per kit Z Send free Florio Flyer catalog VISA & Mc accepted PA Residents sdd 8% sales tan Florio Flyer Corp 937 Johnsonburg Rd. St Marys PA 15887 814 834-2586
Edition: Model Aviation - 1991/06
Page Numbers: 61, 62, 183, 184, 185
1991 AMA FF NATIONALS NFFS proposed last October Free Flight portion 1991 AMA Nationals held third week June Lawrenceville Illinois AMA Executive Council confirmed date late January surely hope can eventually get point planning annual get-togethers early enough allow year lead time would helpful lot less frustrating concerned rate Lville site dates June 16 through 22 50 havent done already may want make vacation plans now Along normal AMA event schedule NFFS will again sponsor Nostalgia Gas Championships array other Special Events Stir myriad Old Timer events sponsored once again SAM 57 add Flying Aces Club ticket well neat-flying Scale jobs should another great session Free Flight activity See Shopping Mail Former USA FAI Power Team member Norm Poti has offering very successful custommade high-performance fiberglass propellers associated propeller accessories some time now products meticulously fabricated intended use high rpm engines 40s Available rigid prop sizes range 7 through 10 Cadillac props being folder individual fiberglass blades FAI use Since folder quite expensive produce might expect Norm also sells individual components separately offset cost possible subsequent flight damage current molding process includes full length glass strands tip inserts fiberglass cloth prevent splitting fraying blade tips high revolutions Since props molded oversized lengths custom diameters also available entire prop design matter should have configurations own mind Any work latter regard handled confidentially desired price rigid props ranges $7-b unfinished specimens may add another $3 per prop receive finished product complete folder offered $60 components priced accordingly can send SASE complete price listing Personal attention given inquiries address Potis Hangar Products 5695 Marshall Rd Dayton Ohio 45429 Late last fall Lee Campbell decided once again devote full time hobby supply businessCampbells Custom Kits As result steady flow additional products has oozing output vent fine enterprise supports various needs competition Free Flighter Among latest offerings new Class Gas design Dave Platt AB version Russ Hansens famous NFFS Nostalgia Gas eligible T-Bird Daves design easy-to-build 432 sq gassie called Slow Worm intended 09 15 size engines T-Bird 50% enlargement fabled Half-A model originally kitted Midwest Products years past 526 square inch version intended 19 25 size engines type approved Nostalgia Gas events Both kits sport ready-cutout parts incorporate top quality wood throughout particular note small diameter thin-walled flexible latex fuel tubing Lee peddles 60 cents per foot stuff ideally suited use relatively weak-springed toy timer mechanisms knowledge first tubing size has made commercially available modelers some years Its good stuff Slow Worm goes $4998 T-Bird $5998 plus $250 ship UPS domestically address 401 Executive Center Drive H-108 West Palm Beach Florida 33401 Also will want copy quite descriptive catalog additional obtainable products toss another buck item No work room complete Keep em comm Lee AJ s Free Flight Service has announced latest kit venture June 1991 61 ELUi Duration Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 1AA Nostalgia Gas Zeek 144 belonging columnist first find newly planted trees WPAFB few incidents trees could sud denly become afflicted chain saw blight Guy Scott readies rear-finned Satellite 788 official flight WPAFB Model helped Guy win Central Indiana ClubPower Champ category 1990 num ber First place wins throughout sum mer Jim Haught sheety idea built FlA A2 Nordic glider wing allbalsa sheet construction thus desig nated name model NFFS Publications Mgr Fred Terzian second place VzA NosGas T-Bird 1990 USFFC Model short-fused its sixth flightPilot error strikes again Terzian photo producing 440 sq size Don Alberts 1955 AMA Nationals /2A Gas winner SWAT South West Aero Team Albuquerque New Mexico original model 200 sq powered Atwood 049 admittedly influenced CIVY Boy SAN De Hogan designs era 440 size engineered Gene Post reportedly first total three sizes eventually produced AJ year kit complete machine cut parts rolled plans other niceties sells $3495 plus $3 UPS front door addition offer long handled needle valve K&B green head engines keep fingers away nasty spinning props go $2 plus 50 cents postageor buy five once postage free First come first served sez AJ supply limited also will send catalog additional dollar bill address Al s Free Flight Service 4840 E Leisure Fresno California 93727 Al Lidbergs latest super detailed flying scale rubber model plan packet Charles Lindbergs Miles Mohawk 1 1 ft 35 wingspan rendition real looker should whet appetite Rubber Scale buff get lost absorbing histories subject model included Als plan packets no different seems Lindy ducked out England escape incessant publicity following tragedy sons kidnapping As leading aviation figure era choice aircraft builders over world Miles came up twoplace low wing design liking though two aircraft actually built Lindbergs eventually assembled flown utilized craft various missions capitals Europe single Mohawk ultimately pressed military service during World War II sold afterwards become racer Subsequently machine disappeared years reclaimed junkyard Spain 1977 currently being restored display purposes Man some vintage airplanes could talk Anyway plan packet goes usual $6 plus 15% postage care receive order rolled tube recommend postage flat $250 address AA Lidberg Model Plan service 614 E Fordham Dr Tempe Arizona 85283 Its money well spent Reinforced wing spars Norm Poti also contributed following information fabricating indestructible carbonreinforced wing joiner spars use FM FlC power model construction states since current trends FlC wing design towards higher aspect ratios thinner airfoils success such Continued page 183 62 Model Aviation nn P LA Al Lidbergs latest flying scale plan packet subject 35 Miles Mohawk original oneof-a-kind full scale aircraft led Interesting life Lldberg photo High performance fiberglass props Potis Hangar latest construction kit releases Campbells Custom Kits among items revIewed months column HL-2 excellent flierin fact its really too good Ive almost lost twice thermals little 3 1/2-Oz ship flew eight 10 minutes one-third charge chase nearly mile time Ive never charged battery pack 40 percent capacity Normalthat nonthermalduration ranges 145 215 first Scale semiscale model Ive built begs dethermalizer closing wish thank James R Smith reviewing construction sequences making number helpful suggestions References Cynk Jerzy B Polish Aircraft 1893-1 939 Hannan Bill International Peanuts & Pistachios vol 5 Fly Electric FF Duration/Murphy Continued page 62 design highly dependent ability wings handle tremendous bending loads failure Two-piece wings compound problem placing joint maximum load location obviously center wing Since %2 music wire wing joiners utilized good success past decade bench test goal established fabricate spar would successfully bend %2 wire before spar itself might fail Initial tests indicated glues alone would accomplish requirement ultimately technique spiral wrapping structure Kevlar thread developed transferred loads thread making type glues used basically unimportant next step tailor weights thicknesses various materials arrive optimum-strength lowestweight determination An inadvertent field test came about model nosed full power dive 1000 ft up smacked concrete runway WPAFB wing did W THE SUPERIOR GLOW PLUGS FOR AST FLYERS ARE BA CK II Puts sting engine Unique flat-wound spiral coil element high temperature glass-to-metal seal add up faster ignition increased RPM 1 /2A GloBee plugs designed exclusivelyfor 0491051 Cox engines Ask new GB-5RX Speed Plug GB-SR Racing Plug GB-5P Sport Plug local dealer today unavailable locally write call Twinn-K collect pricing delivery information FREE GloBee Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 flutter fold under stress dive examination remains yielded unscathed spar spar removed wing rewrapped Kevlar thread used subsequent wing sketch showing double tapered spar fabrication should rather selfexplanatory actual root tip dimensions depending particular wing panel length airfoil used Note carbon-reinforced basswood sides 12 long help make up joiner box inboard end fabricated spar calculator handy tool compute dimensions various tapered locations step-by-step recommended procedure would first determine required dimensions components including balsa core inboard end balsa core 2 shorter top bottom carbon plates permit pocket receive brass tube joiner wire initial construction step epoxy 4-in length 007 carbon onto end 12-in long 3-in wide sheet / basswood cut four 12in long strips now carbonreinforced basswood width desired root dimension become sides spars Now cut tapered balsa core straight grain 6-7 balsa can sanded shape initial /s square oversized Y16 sq stock depending required dimensions top bottom caps tapered strips 021 thick carbon sheet components trimmed shape spar assembled using cyanoacrylate cement CA After final sanding spiral wrap assembled spar using Kevlar thread pitch /64 root increasing 3A6-in pitch outboard end cement coat retain place Norm states pair finished joiner spars using technique should tip scales 10 11 grams completed spar used construction wing panel upon completion 2-in length Y32 ID brass tubing potted place previously hollow carbon box end using mixture epoxy microballoons Obviously foregoing condensed version how-its done care detailed instructions send SASE Norm will gladly send copy formal uncondensed article total process have space relate word-for-word Norms address found elsewhere column certainly thank him quite informative building tip FF Publications 1990 edition National Free Flight Society Symposia 129-page collection design theory plans photos interest Free Flighters worldwide still available Symposia has published fail annually NFFS since 1968 issue covers various aspects both Indoor Outdoor Free Flight stateof-the-art competition well sport flying Among other items features current issue contains power articles hiUlVIlidli UUMV jj 1/ 1/ scale $795 iJIUV P/H Full figures $1995 plus $4 P/HCivilians 1/3 1/4 scale WWI Barnstormer 1/4 WWII Navy 1/5 WWII USAAF 1/ scales Ask Officers Gentlemen pilots name favorite hobby shop call name dealer nearest ordering direct include check money order MCNISA account number exp date Ohficuts Gmntlmmmn 537-7323 Box 537 RD 2 Hampton NJ 08827 June 1991 183 Mace White Laminating Epoxy & Fiberglass Strong Lightweight No Pin Holes tle e Construction dor BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINTQUART 00/0 Nitromethane 5% Nitromethane$325$495 100/0 Nitromethane$395$535 150/0 Nitrornethan$395$625 25% Nitromethane$495$795 350/0 Nitromethane$595$895 GALLON $995 $1195 $1395 $1595 $2095 $2595 SIG PREMIUM 4-STROKE FUEL 100/a Nitromethane$1325 15% Nitromethane$1525 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtd change nOtiCi See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO. Montezuma IA 50171 U U U I I I U U U U U U U U U U U U U ..u.... U -1 thrust effect winglets Rubber articles rubber energy storage winding stands power calculations Glider articles regard composite structures molding spars FlA wing design numerous other features including 3-views text regard Ten Models-ofthe-Year selected honored NFFS addition complete upto-date listings previous Nationals high time winners since 1922 previous NFFS Top Ten Winners since awards first presented 1970 great issue kudos go Jim Bennett another stellar effort editor can get copy sending $16 plus $2 postage Fred Terzian 4858 Moorpark Ave San Jose California 95129 Send additional $2 non-member NFFS pays belong can also remedy situation sending $15 Nat Comfort 12324 Percival St Chester Virginia 23831 join NFFS renew current annual membership membership also brings NFFS Digest ably edited Chris Weinrich keeps informed Free Flight happenings about plus action business end NFFS 1991 big year NFFS takes great step reorganize member-represented structure will want part join now British equivalent NFFS Sympo Free Flight Forum 1990 issue 80-page collection articles plans cartoons photographs includes such topics stall remedies FlA design construction art magnetic soaring history FiB development John ODonnells Tips Win price FFF 90 83 British pounds Checks should made out pounds sterling drawn bank British branch payable Newham Beaumont Spring Cottage Spring Street Epsom Surrey KT17 1UH England Most proceeds sale publication go British FAI Team travel fund says Mr Beaumont Maybe next year Mr Beaumont could make arrangements us foreigners use plastic money such VISA Mastercard would surely entice place orders going futile search British branch bank Percys Junction Indiana USA fitting give equal space Canadian friends drawing attention recent revival Vol Libre Canada bi-monthly issuance contains least 3-view plan detail notes contemporary competition model flown either FAI Open classes together competition reports technica features how-to tips often some lively independent opinions address Canada Free Flight 213 Lakewood Dr Oakville Ontario L6K 1B3 Tel em Duration sent up Newsletter Spotlight happy see Bill Bogart has pumped new lift SCAT clubs newsletter after few months absence mails SCAT buzz-word Southern California Aero Team newsletter called Scatter club somewhat unique its specialty FAI Free Flight its membership roster loaded names associated International Free Flight competition Should interests run along lines may wish keep ear ground accordingly subscribing Scatter its 12 annual issues $15 address Jim Wilson Mgr 11030 Avenue D Redondo Beach California 90277 Another west coast free flight club issues monthly newsletters Oakland Cloud Dusters long-standing organization supports nearly forms Free Flight some RC Assist activity well Herb Robbins current publisher can get newsletter mailings sending $10 Herb 16251 Lilac Lane Los Gatos California 95032-3524 IIIBeD king newsletters caught amusing little tale back Minneapolis Model Aero Club newsletter seems Rubber Scale modeler 184 Model Aviation test flying new model dived hard ground broke off wing Ill d said modeler glued wing back next flight model dived ground both wings broke off Ill d said modeler time minister passing heard modelers exclamation said son shouldnt swear something like happens What should say Praise Lord modeler reattached wings let model go again sure enough smacked ground shattered number pieces Praise Lord shouted modeler pieces leapt up off ground reattached themselves remainder model took off suddenly disappeared overhead Well Ill d said minister So much humor department See downwind FF Sport & Scale/Warner Continued page 64 light mist 3M adhesive back have used typing paper before find effective bit heavy Fibe-Mini comes Leonard Duke Kalamazoo Michigan points out Frank Zaic page 171 Model Glider Design tells us tissue shrinks wetted because fibers get fatter shorter Leonard theorizes perhaps due water being trapped fibers Fibe-Mini miracle fiber drink Japan ks putting water high concentration solute around fibers draws water out fibers osmotic pressure Sort way salty water pulls water out red blood cells osmosis under microscope biology class thinks maybe Metamucil drugstore fiber laxative water cook oatmeal would sources fiber experiment dont work maybe MSG monosodium glutamate found Accent meat tenderizer will Well got 51% fast lab little better half work problem dissolving two teaspoons Metamucil cup water trying four special 4 X 4-in tissue-covered frames made up occasion warped much tried plain tap water tried stronger solution Metamucil done up blender got same warpage remaining test squares used 50% Fibe Mini 50% water solution just snugged paper up warping fragile frame used Fibe-Mini full strength badly warped watershrunk square relaxed paper much went Pringle shape floppy condition dried problem remains find substitute Fibe-Mini other Japanese grocery store Keep experimenting guys Attention WACO lovers think Weaver Aircraft Company produced finest aeroplanes ever worthy name youll Want aware new organization called International WACO Association have premiere issue magazine before 24 pages delight Its glossy mouth-watering picsa Red Cross YKS-7 floats Norway new YMF-5 WACOS shot DH Gipsy six installation YQC-6 fuselage Australia UPF-7 WACO 4 histories Jacobs R-755 engine installation factory print close up photo plus some invaluable sources info WACOs people own em willing share knowledge expertise future quarterly issues good first might find $25 $35 Canada foreign membership worth IWA Aviation Heritage people seem same address PO Box 2065 Terre Haute Indiana 47802 Paul Matts famous WACO 3-view drawings available Aviation Heritage end operation /2in/ft can ordered calling 800/999-0141 UMFIYMF-5 UPF-7 YKS-6 have WACO model airplane pix Larry Ladd model Columnist IWA would love feature em Contact Larry 6547 St Marys Rd Floyds Knobs IN 47119 Annoying little wrinkles corners tissue bridges sharp angle can either anticipated prevented gusseting bracing structure before covering giving Paul Mcllrath treatment Paul says take sharp razor blade cut slit about 3/~ long about 45 ss corner provide stress relief Over period time June 1991 185 fMASIING JMASTEk IL * FINE- LINE CRISP EDGE CUT STRIPING & DESIGN * LOWTACK LEA KPROOF MASKING TAPE * EACH KIT CONTAINS * TWO 72 YD ROLLS POLY MASK % * TWO 36 YD ROLLS VINYL MASK yfeIh * ONE 60 YD ROLL OF FINE LINE MASK f/ * THREE 60 YD ROLLS OF CREPE FINE LINE MASK 2at W *CONORMAL J FRIENPLY THE FAEST QUALITY M4SKING & FINE- LINE TAPE EVER AVAILABLE TO cZIIODELERjS USE WITH NITRATE C CUTYRATE LAG UER EPOXY ENAMEL & POLY-fJ PAINTSSATISFACTION 0L*ARAMTEf 0 M#f SPEAL PRICE SEND 10 TEGHTAPE GMASJINQ TECHAZQgY SNIPE HAFEWLAEO P0 BOX 230 LIVINGSTON NJ 07039 wmnt RecognizedCSA CertifiedAedesson File NoFile No.d Pawr E26226LR25154Prodacte lee Only certified checks money orders accepted Minimum order $1400 three packages 014 Pomerpoles 1*400 tter package $200 Chipping handlingi CT residents odd aztec tao Prices subject change notice DEALER INQUIRIES INVITED Fo further intormation dealer prces send SASE Boniness Cad SERMOS RIC SNAP CONNECTOR8 Inc Cedar Corners Station Box 16787 Stamford CT 06905203 322-6294 NEW Florlo Flyers STUNT WAGON Now Only $6995 Wing Span- 50 Anna 786 sq Length -405 Poorer 25 40 ci Design Weight -3to4 lbs Features maple engine rails band-sawn parts formed music wire landing gear isolated exposed fuel tank compartment strong durable balsa construction throughout Designed ba flown computer redloel Radical design performance conventional construction Boa competition Fun Fly contender Ask Florlo Flyer STUNT WAGON favorite hobby shop first direct orders add $4 SEt-H per kit Z Send free Florio Flyer catalog VISA & Mc accepted PA Residents sdd 8% sales tan Florio Flyer Corp 937 Johnsonburg Rd. St Marys PA 15887 814 834-2586
Edition: Model Aviation - 1991/06
Page Numbers: 61, 62, 183, 184, 185
1991 AMA FF NATIONALS NFFS proposed last October Free Flight portion 1991 AMA Nationals held third week June Lawrenceville Illinois AMA Executive Council confirmed date late January surely hope can eventually get point planning annual get-togethers early enough allow year lead time would helpful lot less frustrating concerned rate Lville site dates June 16 through 22 50 havent done already may want make vacation plans now Along normal AMA event schedule NFFS will again sponsor Nostalgia Gas Championships array other Special Events Stir myriad Old Timer events sponsored once again SAM 57 add Flying Aces Club ticket well neat-flying Scale jobs should another great session Free Flight activity See Shopping Mail Former USA FAI Power Team member Norm Poti has offering very successful custommade high-performance fiberglass propellers associated propeller accessories some time now products meticulously fabricated intended use high rpm engines 40s Available rigid prop sizes range 7 through 10 Cadillac props being folder individual fiberglass blades FAI use Since folder quite expensive produce might expect Norm also sells individual components separately offset cost possible subsequent flight damage current molding process includes full length glass strands tip inserts fiberglass cloth prevent splitting fraying blade tips high revolutions Since props molded oversized lengths custom diameters also available entire prop design matter should have configurations own mind Any work latter regard handled confidentially desired price rigid props ranges $7-b unfinished specimens may add another $3 per prop receive finished product complete folder offered $60 components priced accordingly can send SASE complete price listing Personal attention given inquiries address Potis Hangar Products 5695 Marshall Rd Dayton Ohio 45429 Late last fall Lee Campbell decided once again devote full time hobby supply businessCampbells Custom Kits As result steady flow additional products has oozing output vent fine enterprise supports various needs competition Free Flighter Among latest offerings new Class Gas design Dave Platt AB version Russ Hansens famous NFFS Nostalgia Gas eligible T-Bird Daves design easy-to-build 432 sq gassie called Slow Worm intended 09 15 size engines T-Bird 50% enlargement fabled Half-A model originally kitted Midwest Products years past 526 square inch version intended 19 25 size engines type approved Nostalgia Gas events Both kits sport ready-cutout parts incorporate top quality wood throughout particular note small diameter thin-walled flexible latex fuel tubing Lee peddles 60 cents per foot stuff ideally suited use relatively weak-springed toy timer mechanisms knowledge first tubing size has made commercially available modelers some years Its good stuff Slow Worm goes $4998 T-Bird $5998 plus $250 ship UPS domestically address 401 Executive Center Drive H-108 West Palm Beach Florida 33401 Also will want copy quite descriptive catalog additional obtainable products toss another buck item No work room complete Keep em comm Lee AJ s Free Flight Service has announced latest kit venture June 1991 61 ELUi Duration Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 1AA Nostalgia Gas Zeek 144 belonging columnist first find newly planted trees WPAFB few incidents trees could sud denly become afflicted chain saw blight Guy Scott readies rear-finned Satellite 788 official flight WPAFB Model helped Guy win Central Indiana ClubPower Champ category 1990 num ber First place wins throughout sum mer Jim Haught sheety idea built FlA A2 Nordic glider wing allbalsa sheet construction thus desig nated name model NFFS Publications Mgr Fred Terzian second place VzA NosGas T-Bird 1990 USFFC Model short-fused its sixth flightPilot error strikes again Terzian photo producing 440 sq size Don Alberts 1955 AMA Nationals /2A Gas winner SWAT South West Aero Team Albuquerque New Mexico original model 200 sq powered Atwood 049 admittedly influenced CIVY Boy SAN De Hogan designs era 440 size engineered Gene Post reportedly first total three sizes eventually produced AJ year kit complete machine cut parts rolled plans other niceties sells $3495 plus $3 UPS front door addition offer long handled needle valve K&B green head engines keep fingers away nasty spinning props go $2 plus 50 cents postageor buy five once postage free First come first served sez AJ supply limited also will send catalog additional dollar bill address Al s Free Flight Service 4840 E Leisure Fresno California 93727 Al Lidbergs latest super detailed flying scale rubber model plan packet Charles Lindbergs Miles Mohawk 1 1 ft 35 wingspan rendition real looker should whet appetite Rubber Scale buff get lost absorbing histories subject model included Als plan packets no different seems Lindy ducked out England escape incessant publicity following tragedy sons kidnapping As leading aviation figure era choice aircraft builders over world Miles came up twoplace low wing design liking though two aircraft actually built Lindbergs eventually assembled flown utilized craft various missions capitals Europe single Mohawk ultimately pressed military service during World War II sold afterwards become racer Subsequently machine disappeared years reclaimed junkyard Spain 1977 currently being restored display purposes Man some vintage airplanes could talk Anyway plan packet goes usual $6 plus 15% postage care receive order rolled tube recommend postage flat $250 address AA Lidberg Model Plan service 614 E Fordham Dr Tempe Arizona 85283 Its money well spent Reinforced wing spars Norm Poti also contributed following information fabricating indestructible carbonreinforced wing joiner spars use FM FlC power model construction states since current trends FlC wing design towards higher aspect ratios thinner airfoils success such Continued page 183 62 Model Aviation nn P LA Al Lidbergs latest flying scale plan packet subject 35 Miles Mohawk original oneof-a-kind full scale aircraft led Interesting life Lldberg photo High performance fiberglass props Potis Hangar latest construction kit releases Campbells Custom Kits among items revIewed months column HL-2 excellent flierin fact its really too good Ive almost lost twice thermals little 3 1/2-Oz ship flew eight 10 minutes one-third charge chase nearly mile time Ive never charged battery pack 40 percent capacity Normalthat nonthermalduration ranges 145 215 first Scale semiscale model Ive built begs dethermalizer closing wish thank James R Smith reviewing construction sequences making number helpful suggestions References Cynk Jerzy B Polish Aircraft 1893-1 939 Hannan Bill International Peanuts & Pistachios vol 5 Fly Electric FF Duration/Murphy Continued page 62 design highly dependent ability wings handle tremendous bending loads failure Two-piece wings compound problem placing joint maximum load location obviously center wing Since %2 music wire wing joiners utilized good success past decade bench test goal established fabricate spar would successfully bend %2 wire before spar itself might fail Initial tests indicated glues alone would accomplish requirement ultimately technique spiral wrapping structure Kevlar thread developed transferred loads thread making type glues used basically unimportant next step tailor weights thicknesses various materials arrive optimum-strength lowestweight determination An inadvertent field test came about model nosed full power dive 1000 ft up smacked concrete runway WPAFB wing did W THE SUPERIOR GLOW PLUGS FOR AST FLYERS ARE BA CK II Puts sting engine Unique flat-wound spiral coil element high temperature glass-to-metal seal add up faster ignition increased RPM 1 /2A GloBee plugs designed exclusivelyfor 0491051 Cox engines Ask new GB-5RX Speed Plug GB-SR Racing Plug GB-5P Sport Plug local dealer today unavailable locally write call Twinn-K collect pricing delivery information FREE GloBee Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 flutter fold under stress dive examination remains yielded unscathed spar spar removed wing rewrapped Kevlar thread used subsequent wing sketch showing double tapered spar fabrication should rather selfexplanatory actual root tip dimensions depending particular wing panel length airfoil used Note carbon-reinforced basswood sides 12 long help make up joiner box inboard end fabricated spar calculator handy tool compute dimensions various tapered locations step-by-step recommended procedure would first determine required dimensions components including balsa core inboard end balsa core 2 shorter top bottom carbon plates permit pocket receive brass tube joiner wire initial construction step epoxy 4-in length 007 carbon onto end 12-in long 3-in wide sheet / basswood cut four 12in long strips now carbonreinforced basswood width desired root dimension become sides spars Now cut tapered balsa core straight grain 6-7 balsa can sanded shape initial /s square oversized Y16 sq stock depending required dimensions top bottom caps tapered strips 021 thick carbon sheet components trimmed shape spar assembled using cyanoacrylate cement CA After final sanding spiral wrap assembled spar using Kevlar thread pitch /64 root increasing 3A6-in pitch outboard end cement coat retain place Norm states pair finished joiner spars using technique should tip scales 10 11 grams completed spar used construction wing panel upon completion 2-in length Y32 ID brass tubing potted place previously hollow carbon box end using mixture epoxy microballoons Obviously foregoing condensed version how-its done care detailed instructions send SASE Norm will gladly send copy formal uncondensed article total process have space relate word-for-word Norms address found elsewhere column certainly thank him quite informative building tip FF Publications 1990 edition National Free Flight Society Symposia 129-page collection design theory plans photos interest Free Flighters worldwide still available Symposia has published fail annually NFFS since 1968 issue covers various aspects both Indoor Outdoor Free Flight stateof-the-art competition well sport flying Among other items features current issue contains power articles hiUlVIlidli UUMV jj 1/ 1/ scale $795 iJIUV P/H Full figures $1995 plus $4 P/HCivilians 1/3 1/4 scale WWI Barnstormer 1/4 WWII Navy 1/5 WWII USAAF 1/ scales Ask Officers Gentlemen pilots name favorite hobby shop call name dealer nearest ordering direct include check money order MCNISA account number exp date Ohficuts Gmntlmmmn 537-7323 Box 537 RD 2 Hampton NJ 08827 June 1991 183 Mace White Laminating Epoxy & Fiberglass Strong Lightweight No Pin Holes tle e Construction dor BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINTQUART 00/0 Nitromethane 5% Nitromethane$325$495 100/0 Nitromethane$395$535 150/0 Nitrornethan$395$625 25% Nitromethane$495$795 350/0 Nitromethane$595$895 GALLON $995 $1195 $1395 $1595 $2095 $2595 SIG PREMIUM 4-STROKE FUEL 100/a Nitromethane$1325 15% Nitromethane$1525 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtd change nOtiCi See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO. Montezuma IA 50171 U U U I I I U U U U U U U U U U U U U ..u.... U -1 thrust effect winglets Rubber articles rubber energy storage winding stands power calculations Glider articles regard composite structures molding spars FlA wing design numerous other features including 3-views text regard Ten Models-ofthe-Year selected honored NFFS addition complete upto-date listings previous Nationals high time winners since 1922 previous NFFS Top Ten Winners since awards first presented 1970 great issue kudos go Jim Bennett another stellar effort editor can get copy sending $16 plus $2 postage Fred Terzian 4858 Moorpark Ave San Jose California 95129 Send additional $2 non-member NFFS pays belong can also remedy situation sending $15 Nat Comfort 12324 Percival St Chester Virginia 23831 join NFFS renew current annual membership membership also brings NFFS Digest ably edited Chris Weinrich keeps informed Free Flight happenings about plus action business end NFFS 1991 big year NFFS takes great step reorganize member-represented structure will want part join now British equivalent NFFS Sympo Free Flight Forum 1990 issue 80-page collection articles plans cartoons photographs includes such topics stall remedies FlA design construction art magnetic soaring history FiB development John ODonnells Tips Win price FFF 90 83 British pounds Checks should made out pounds sterling drawn bank British branch payable Newham Beaumont Spring Cottage Spring Street Epsom Surrey KT17 1UH England Most proceeds sale publication go British FAI Team travel fund says Mr Beaumont Maybe next year Mr Beaumont could make arrangements us foreigners use plastic money such VISA Mastercard would surely entice place orders going futile search British branch bank Percys Junction Indiana USA fitting give equal space Canadian friends drawing attention recent revival Vol Libre Canada bi-monthly issuance contains least 3-view plan detail notes contemporary competition model flown either FAI Open classes together competition reports technica features how-to tips often some lively independent opinions address Canada Free Flight 213 Lakewood Dr Oakville Ontario L6K 1B3 Tel em Duration sent up Newsletter Spotlight happy see Bill Bogart has pumped new lift SCAT clubs newsletter after few months absence mails SCAT buzz-word Southern California Aero Team newsletter called Scatter club somewhat unique its specialty FAI Free Flight its membership roster loaded names associated International Free Flight competition Should interests run along lines may wish keep ear ground accordingly subscribing Scatter its 12 annual issues $15 address Jim Wilson Mgr 11030 Avenue D Redondo Beach California 90277 Another west coast free flight club issues monthly newsletters Oakland Cloud Dusters long-standing organization supports nearly forms Free Flight some RC Assist activity well Herb Robbins current publisher can get newsletter mailings sending $10 Herb 16251 Lilac Lane Los Gatos California 95032-3524 IIIBeD king newsletters caught amusing little tale back Minneapolis Model Aero Club newsletter seems Rubber Scale modeler 184 Model Aviation test flying new model dived hard ground broke off wing Ill d said modeler glued wing back next flight model dived ground both wings broke off Ill d said modeler time minister passing heard modelers exclamation said son shouldnt swear something like happens What should say Praise Lord modeler reattached wings let model go again sure enough smacked ground shattered number pieces Praise Lord shouted modeler pieces leapt up off ground reattached themselves remainder model took off suddenly disappeared overhead Well Ill d said minister So much humor department See downwind FF Sport & Scale/Warner Continued page 64 light mist 3M adhesive back have used typing paper before find effective bit heavy Fibe-Mini comes Leonard Duke Kalamazoo Michigan points out Frank Zaic page 171 Model Glider Design tells us tissue shrinks wetted because fibers get fatter shorter Leonard theorizes perhaps due water being trapped fibers Fibe-Mini miracle fiber drink Japan ks putting water high concentration solute around fibers draws water out fibers osmotic pressure Sort way salty water pulls water out red blood cells osmosis under microscope biology class thinks maybe Metamucil drugstore fiber laxative water cook oatmeal would sources fiber experiment dont work maybe MSG monosodium glutamate found Accent meat tenderizer will Well got 51% fast lab little better half work problem dissolving two teaspoons Metamucil cup water trying four special 4 X 4-in tissue-covered frames made up occasion warped much tried plain tap water tried stronger solution Metamucil done up blender got same warpage remaining test squares used 50% Fibe Mini 50% water solution just snugged paper up warping fragile frame used Fibe-Mini full strength badly warped watershrunk square relaxed paper much went Pringle shape floppy condition dried problem remains find substitute Fibe-Mini other Japanese grocery store Keep experimenting guys Attention WACO lovers think Weaver Aircraft Company produced finest aeroplanes ever worthy name youll Want aware new organization called International WACO Association have premiere issue magazine before 24 pages delight Its glossy mouth-watering picsa Red Cross YKS-7 floats Norway new YMF-5 WACOS shot DH Gipsy six installation YQC-6 fuselage Australia UPF-7 WACO 4 histories Jacobs R-755 engine installation factory print close up photo plus some invaluable sources info WACOs people own em willing share knowledge expertise future quarterly issues good first might find $25 $35 Canada foreign membership worth IWA Aviation Heritage people seem same address PO Box 2065 Terre Haute Indiana 47802 Paul Matts famous WACO 3-view drawings available Aviation Heritage end operation /2in/ft can ordered calling 800/999-0141 UMFIYMF-5 UPF-7 YKS-6 have WACO model airplane pix Larry Ladd model Columnist IWA would love feature em Contact Larry 6547 St Marys Rd Floyds Knobs IN 47119 Annoying little wrinkles corners tissue bridges sharp angle can either anticipated prevented gusseting bracing structure before covering giving Paul Mcllrath treatment Paul says take sharp razor blade cut slit about 3/~ long about 45 ss corner provide stress relief Over period time June 1991 185 fMASIING JMASTEk IL * FINE- LINE CRISP EDGE CUT STRIPING & DESIGN * LOWTACK LEA KPROOF MASKING TAPE * EACH KIT CONTAINS * TWO 72 YD ROLLS POLY MASK % * TWO 36 YD ROLLS VINYL MASK yfeIh * ONE 60 YD ROLL OF FINE LINE MASK f/ * THREE 60 YD ROLLS OF CREPE FINE LINE MASK 2at W *CONORMAL J FRIENPLY THE FAEST QUALITY M4SKING & FINE- LINE TAPE EVER AVAILABLE TO cZIIODELERjS USE WITH NITRATE C CUTYRATE LAG UER EPOXY ENAMEL & POLY-fJ PAINTSSATISFACTION 0L*ARAMTEf 0 M#f SPEAL PRICE SEND 10 TEGHTAPE GMASJINQ TECHAZQgY SNIPE HAFEWLAEO P0 BOX 230 LIVINGSTON NJ 07039 wmnt RecognizedCSA CertifiedAedesson File NoFile No.d Pawr E26226LR25154Prodacte lee Only certified checks money orders accepted Minimum order $1400 three packages 014 Pomerpoles 1*400 tter package $200 Chipping handlingi CT residents odd aztec tao Prices subject change notice DEALER INQUIRIES INVITED Fo further intormation dealer prces send SASE Boniness Cad SERMOS RIC SNAP CONNECTOR8 Inc Cedar Corners Station Box 16787 Stamford CT 06905203 322-6294 NEW Florlo Flyers STUNT WAGON Now Only $6995 Wing Span- 50 Anna 786 sq Length -405 Poorer 25 40 ci Design Weight -3to4 lbs Features maple engine rails band-sawn parts formed music wire landing gear isolated exposed fuel tank compartment strong durable balsa construction throughout Designed ba flown computer redloel Radical design performance conventional construction Boa competition Fun Fly contender Ask Florlo Flyer STUNT WAGON favorite hobby shop first direct orders add $4 SEt-H per kit Z Send free Florio Flyer catalog VISA & Mc accepted PA Residents sdd 8% sales tan Florio Flyer Corp 937 Johnsonburg Rd. St Marys PA 15887 814 834-2586
Edition: Model Aviation - 1991/06
Page Numbers: 61, 62, 183, 184, 185
1991 AMA FF NATIONALS NFFS proposed last October Free Flight portion 1991 AMA Nationals held third week June Lawrenceville Illinois AMA Executive Council confirmed date late January surely hope can eventually get point planning annual get-togethers early enough allow year lead time would helpful lot less frustrating concerned rate Lville site dates June 16 through 22 50 havent done already may want make vacation plans now Along normal AMA event schedule NFFS will again sponsor Nostalgia Gas Championships array other Special Events Stir myriad Old Timer events sponsored once again SAM 57 add Flying Aces Club ticket well neat-flying Scale jobs should another great session Free Flight activity See Shopping Mail Former USA FAI Power Team member Norm Poti has offering very successful custommade high-performance fiberglass propellers associated propeller accessories some time now products meticulously fabricated intended use high rpm engines 40s Available rigid prop sizes range 7 through 10 Cadillac props being folder individual fiberglass blades FAI use Since folder quite expensive produce might expect Norm also sells individual components separately offset cost possible subsequent flight damage current molding process includes full length glass strands tip inserts fiberglass cloth prevent splitting fraying blade tips high revolutions Since props molded oversized lengths custom diameters also available entire prop design matter should have configurations own mind Any work latter regard handled confidentially desired price rigid props ranges $7-b unfinished specimens may add another $3 per prop receive finished product complete folder offered $60 components priced accordingly can send SASE complete price listing Personal attention given inquiries address Potis Hangar Products 5695 Marshall Rd Dayton Ohio 45429 Late last fall Lee Campbell decided once again devote full time hobby supply businessCampbells Custom Kits As result steady flow additional products has oozing output vent fine enterprise supports various needs competition Free Flighter Among latest offerings new Class Gas design Dave Platt AB version Russ Hansens famous NFFS Nostalgia Gas eligible T-Bird Daves design easy-to-build 432 sq gassie called Slow Worm intended 09 15 size engines T-Bird 50% enlargement fabled Half-A model originally kitted Midwest Products years past 526 square inch version intended 19 25 size engines type approved Nostalgia Gas events Both kits sport ready-cutout parts incorporate top quality wood throughout particular note small diameter thin-walled flexible latex fuel tubing Lee peddles 60 cents per foot stuff ideally suited use relatively weak-springed toy timer mechanisms knowledge first tubing size has made commercially available modelers some years Its good stuff Slow Worm goes $4998 T-Bird $5998 plus $250 ship UPS domestically address 401 Executive Center Drive H-108 West Palm Beach Florida 33401 Also will want copy quite descriptive catalog additional obtainable products toss another buck item No work room complete Keep em comm Lee AJ s Free Flight Service has announced latest kit venture June 1991 61 ELUi Duration Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 1AA Nostalgia Gas Zeek 144 belonging columnist first find newly planted trees WPAFB few incidents trees could sud denly become afflicted chain saw blight Guy Scott readies rear-finned Satellite 788 official flight WPAFB Model helped Guy win Central Indiana ClubPower Champ category 1990 num ber First place wins throughout sum mer Jim Haught sheety idea built FlA A2 Nordic glider wing allbalsa sheet construction thus desig nated name model NFFS Publications Mgr Fred Terzian second place VzA NosGas T-Bird 1990 USFFC Model short-fused its sixth flightPilot error strikes again Terzian photo producing 440 sq size Don Alberts 1955 AMA Nationals /2A Gas winner SWAT South West Aero Team Albuquerque New Mexico original model 200 sq powered Atwood 049 admittedly influenced CIVY Boy SAN De Hogan designs era 440 size engineered Gene Post reportedly first total three sizes eventually produced AJ year kit complete machine cut parts rolled plans other niceties sells $3495 plus $3 UPS front door addition offer long handled needle valve K&B green head engines keep fingers away nasty spinning props go $2 plus 50 cents postageor buy five once postage free First come first served sez AJ supply limited also will send catalog additional dollar bill address Al s Free Flight Service 4840 E Leisure Fresno California 93727 Al Lidbergs latest super detailed flying scale rubber model plan packet Charles Lindbergs Miles Mohawk 1 1 ft 35 wingspan rendition real looker should whet appetite Rubber Scale buff get lost absorbing histories subject model included Als plan packets no different seems Lindy ducked out England escape incessant publicity following tragedy sons kidnapping As leading aviation figure era choice aircraft builders over world Miles came up twoplace low wing design liking though two aircraft actually built Lindbergs eventually assembled flown utilized craft various missions capitals Europe single Mohawk ultimately pressed military service during World War II sold afterwards become racer Subsequently machine disappeared years reclaimed junkyard Spain 1977 currently being restored display purposes Man some vintage airplanes could talk Anyway plan packet goes usual $6 plus 15% postage care receive order rolled tube recommend postage flat $250 address AA Lidberg Model Plan service 614 E Fordham Dr Tempe Arizona 85283 Its money well spent Reinforced wing spars Norm Poti also contributed following information fabricating indestructible carbonreinforced wing joiner spars use FM FlC power model construction states since current trends FlC wing design towards higher aspect ratios thinner airfoils success such Continued page 183 62 Model Aviation nn P LA Al Lidbergs latest flying scale plan packet subject 35 Miles Mohawk original oneof-a-kind full scale aircraft led Interesting life Lldberg photo High performance fiberglass props Potis Hangar latest construction kit releases Campbells Custom Kits among items revIewed months column HL-2 excellent flierin fact its really too good Ive almost lost twice thermals little 3 1/2-Oz ship flew eight 10 minutes one-third charge chase nearly mile time Ive never charged battery pack 40 percent capacity Normalthat nonthermalduration ranges 145 215 first Scale semiscale model Ive built begs dethermalizer closing wish thank James R Smith reviewing construction sequences making number helpful suggestions References Cynk Jerzy B Polish Aircraft 1893-1 939 Hannan Bill International Peanuts & Pistachios vol 5 Fly Electric FF Duration/Murphy Continued page 62 design highly dependent ability wings handle tremendous bending loads failure Two-piece wings compound problem placing joint maximum load location obviously center wing Since %2 music wire wing joiners utilized good success past decade bench test goal established fabricate spar would successfully bend %2 wire before spar itself might fail Initial tests indicated glues alone would accomplish requirement ultimately technique spiral wrapping structure Kevlar thread developed transferred loads thread making type glues used basically unimportant next step tailor weights thicknesses various materials arrive optimum-strength lowestweight determination An inadvertent field test came about model nosed full power dive 1000 ft up smacked concrete runway WPAFB wing did W THE SUPERIOR GLOW PLUGS FOR AST FLYERS ARE BA CK II Puts sting engine Unique flat-wound spiral coil element high temperature glass-to-metal seal add up faster ignition increased RPM 1 /2A GloBee plugs designed exclusivelyfor 0491051 Cox engines Ask new GB-5RX Speed Plug GB-SR Racing Plug GB-5P Sport Plug local dealer today unavailable locally write call Twinn-K collect pricing delivery information FREE GloBee Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 flutter fold under stress dive examination remains yielded unscathed spar spar removed wing rewrapped Kevlar thread used subsequent wing sketch showing double tapered spar fabrication should rather selfexplanatory actual root tip dimensions depending particular wing panel length airfoil used Note carbon-reinforced basswood sides 12 long help make up joiner box inboard end fabricated spar calculator handy tool compute dimensions various tapered locations step-by-step recommended procedure would first determine required dimensions components including balsa core inboard end balsa core 2 shorter top bottom carbon plates permit pocket receive brass tube joiner wire initial construction step epoxy 4-in length 007 carbon onto end 12-in long 3-in wide sheet / basswood cut four 12in long strips now carbonreinforced basswood width desired root dimension become sides spars Now cut tapered balsa core straight grain 6-7 balsa can sanded shape initial /s square oversized Y16 sq stock depending required dimensions top bottom caps tapered strips 021 thick carbon sheet components trimmed shape spar assembled using cyanoacrylate cement CA After final sanding spiral wrap assembled spar using Kevlar thread pitch /64 root increasing 3A6-in pitch outboard end cement coat retain place Norm states pair finished joiner spars using technique should tip scales 10 11 grams completed spar used construction wing panel upon completion 2-in length Y32 ID brass tubing potted place previously hollow carbon box end using mixture epoxy microballoons Obviously foregoing condensed version how-its done care detailed instructions send SASE Norm will gladly send copy formal uncondensed article total process have space relate word-for-word Norms address found elsewhere column certainly thank him quite informative building tip FF Publications 1990 edition National Free Flight Society Symposia 129-page collection design theory plans photos interest Free Flighters worldwide still available Symposia has published fail annually NFFS since 1968 issue covers various aspects both Indoor Outdoor Free Flight stateof-the-art competition well sport flying Among other items features current issue contains power articles hiUlVIlidli UUMV jj 1/ 1/ scale $795 iJIUV P/H Full figures $1995 plus $4 P/HCivilians 1/3 1/4 scale WWI Barnstormer 1/4 WWII Navy 1/5 WWII USAAF 1/ scales Ask Officers Gentlemen pilots name favorite hobby shop call name dealer nearest ordering direct include check money order MCNISA account number exp date Ohficuts Gmntlmmmn 537-7323 Box 537 RD 2 Hampton NJ 08827 June 1991 183 Mace White Laminating Epoxy & Fiberglass Strong Lightweight No Pin Holes tle e Construction dor BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINTQUART 00/0 Nitromethane 5% Nitromethane$325$495 100/0 Nitromethane$395$535 150/0 Nitrornethan$395$625 25% Nitromethane$495$795 350/0 Nitromethane$595$895 GALLON $995 $1195 $1395 $1595 $2095 $2595 SIG PREMIUM 4-STROKE FUEL 100/a Nitromethane$1325 15% Nitromethane$1525 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtd change nOtiCi See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO. Montezuma IA 50171 U U U I I I U U U U U U U U U U U U U ..u.... U -1 thrust effect winglets Rubber articles rubber energy storage winding stands power calculations Glider articles regard composite structures molding spars FlA wing design numerous other features including 3-views text regard Ten Models-ofthe-Year selected honored NFFS addition complete upto-date listings previous Nationals high time winners since 1922 previous NFFS Top Ten Winners since awards first presented 1970 great issue kudos go Jim Bennett another stellar effort editor can get copy sending $16 plus $2 postage Fred Terzian 4858 Moorpark Ave San Jose California 95129 Send additional $2 non-member NFFS pays belong can also remedy situation sending $15 Nat Comfort 12324 Percival St Chester Virginia 23831 join NFFS renew current annual membership membership also brings NFFS Digest ably edited Chris Weinrich keeps informed Free Flight happenings about plus action business end NFFS 1991 big year NFFS takes great step reorganize member-represented structure will want part join now British equivalent NFFS Sympo Free Flight Forum 1990 issue 80-page collection articles plans cartoons photographs includes such topics stall remedies FlA design construction art magnetic soaring history FiB development John ODonnells Tips Win price FFF 90 83 British pounds Checks should made out pounds sterling drawn bank British branch payable Newham Beaumont Spring Cottage Spring Street Epsom Surrey KT17 1UH England Most proceeds sale publication go British FAI Team travel fund says Mr Beaumont Maybe next year Mr Beaumont could make arrangements us foreigners use plastic money such VISA Mastercard would surely entice place orders going futile search British branch bank Percys Junction Indiana USA fitting give equal space Canadian friends drawing attention recent revival Vol Libre Canada bi-monthly issuance contains least 3-view plan detail notes contemporary competition model flown either FAI Open classes together competition reports technica features how-to tips often some lively independent opinions address Canada Free Flight 213 Lakewood Dr Oakville Ontario L6K 1B3 Tel em Duration sent up Newsletter Spotlight happy see Bill Bogart has pumped new lift SCAT clubs newsletter after few months absence mails SCAT buzz-word Southern California Aero Team newsletter called Scatter club somewhat unique its specialty FAI Free Flight its membership roster loaded names associated International Free Flight competition Should interests run along lines may wish keep ear ground accordingly subscribing Scatter its 12 annual issues $15 address Jim Wilson Mgr 11030 Avenue D Redondo Beach California 90277 Another west coast free flight club issues monthly newsletters Oakland Cloud Dusters long-standing organization supports nearly forms Free Flight some RC Assist activity well Herb Robbins current publisher can get newsletter mailings sending $10 Herb 16251 Lilac Lane Los Gatos California 95032-3524 IIIBeD king newsletters caught amusing little tale back Minneapolis Model Aero Club newsletter seems Rubber Scale modeler 184 Model Aviation test flying new model dived hard ground broke off wing Ill d said modeler glued wing back next flight model dived ground both wings broke off Ill d said modeler time minister passing heard modelers exclamation said son shouldnt swear something like happens What should say Praise Lord modeler reattached wings let model go again sure enough smacked ground shattered number pieces Praise Lord shouted modeler pieces leapt up off ground reattached themselves remainder model took off suddenly disappeared overhead Well Ill d said minister So much humor department See downwind FF Sport & Scale/Warner Continued page 64 light mist 3M adhesive back have used typing paper before find effective bit heavy Fibe-Mini comes Leonard Duke Kalamazoo Michigan points out Frank Zaic page 171 Model Glider Design tells us tissue shrinks wetted because fibers get fatter shorter Leonard theorizes perhaps due water being trapped fibers Fibe-Mini miracle fiber drink Japan ks putting water high concentration solute around fibers draws water out fibers osmotic pressure Sort way salty water pulls water out red blood cells osmosis under microscope biology class thinks maybe Metamucil drugstore fiber laxative water cook oatmeal would sources fiber experiment dont work maybe MSG monosodium glutamate found Accent meat tenderizer will Well got 51% fast lab little better half work problem dissolving two teaspoons Metamucil cup water trying four special 4 X 4-in tissue-covered frames made up occasion warped much tried plain tap water tried stronger solution Metamucil done up blender got same warpage remaining test squares used 50% Fibe Mini 50% water solution just snugged paper up warping fragile frame used Fibe-Mini full strength badly warped watershrunk square relaxed paper much went Pringle shape floppy condition dried problem remains find substitute Fibe-Mini other Japanese grocery store Keep experimenting guys Attention WACO lovers think Weaver Aircraft Company produced finest aeroplanes ever worthy name youll Want aware new organization called International WACO Association have premiere issue magazine before 24 pages delight Its glossy mouth-watering picsa Red Cross YKS-7 floats Norway new YMF-5 WACOS shot DH Gipsy six installation YQC-6 fuselage Australia UPF-7 WACO 4 histories Jacobs R-755 engine installation factory print close up photo plus some invaluable sources info WACOs people own em willing share knowledge expertise future quarterly issues good first might find $25 $35 Canada foreign membership worth IWA Aviation Heritage people seem same address PO Box 2065 Terre Haute Indiana 47802 Paul Matts famous WACO 3-view drawings available Aviation Heritage end operation /2in/ft can ordered calling 800/999-0141 UMFIYMF-5 UPF-7 YKS-6 have WACO model airplane pix Larry Ladd model Columnist IWA would love feature em Contact Larry 6547 St Marys Rd Floyds Knobs IN 47119 Annoying little wrinkles corners tissue bridges sharp angle can either anticipated prevented gusseting bracing structure before covering giving Paul Mcllrath treatment Paul says take sharp razor blade cut slit about 3/~ long about 45 ss corner provide stress relief Over period time June 1991 185 fMASIING JMASTEk IL * FINE- LINE CRISP EDGE CUT STRIPING & DESIGN * LOWTACK LEA KPROOF MASKING TAPE * EACH KIT CONTAINS * TWO 72 YD ROLLS POLY MASK % * TWO 36 YD ROLLS VINYL MASK yfeIh * ONE 60 YD ROLL OF FINE LINE MASK f/ * THREE 60 YD ROLLS OF CREPE FINE LINE MASK 2at W *CONORMAL J FRIENPLY THE FAEST QUALITY M4SKING & FINE- LINE TAPE EVER AVAILABLE TO cZIIODELERjS USE WITH NITRATE C CUTYRATE LAG UER EPOXY ENAMEL & POLY-fJ PAINTSSATISFACTION 0L*ARAMTEf 0 M#f SPEAL PRICE SEND 10 TEGHTAPE GMASJINQ TECHAZQgY SNIPE HAFEWLAEO P0 BOX 230 LIVINGSTON NJ 07039 wmnt RecognizedCSA CertifiedAedesson File NoFile No.d Pawr E26226LR25154Prodacte lee Only certified checks money orders accepted Minimum order $1400 three packages 014 Pomerpoles 1*400 tter package $200 Chipping handlingi CT residents odd aztec tao Prices subject change notice DEALER INQUIRIES INVITED Fo further intormation dealer prces send SASE Boniness Cad SERMOS RIC SNAP CONNECTOR8 Inc Cedar Corners Station Box 16787 Stamford CT 06905203 322-6294 NEW Florlo Flyers STUNT WAGON Now Only $6995 Wing Span- 50 Anna 786 sq Length -405 Poorer 25 40 ci Design Weight -3to4 lbs Features maple engine rails band-sawn parts formed music wire landing gear isolated exposed fuel tank compartment strong durable balsa construction throughout Designed ba flown computer redloel Radical design performance conventional construction Boa competition Fun Fly contender Ask Florlo Flyer STUNT WAGON favorite hobby shop first direct orders add $4 SEt-H per kit Z Send free Florio Flyer catalog VISA & Mc accepted PA Residents sdd 8% sales tan Florio Flyer Corp 937 Johnsonburg Rd. St Marys PA 15887 814 834-2586