Duration 0 Bob Meuser jh LIL BOOGER Although has en tered handful contests Glenn Schneiders Lil Booger has already stacked up rather impressive track record first second place six eight meets coot mike 6 StAfl 5011 1flOOtZ CAt1 #zecizb Coot 4 s 1 i ii zz-g 2409 _I .-Coot t 4_______ 11111I Wing5j Lb aut udder o b-grain StaI3 lb oo5 b- grain Fuio lbA-grain 16 A____ I-4 has entered including first Fresno Annual second 1977 Nats Category II Open /2A Gas record Although model exceptionally I 3 8 41 A~JL CC cit 40% chord TE bent down r a5semL1lj light 825 oz careful design con struction has resulted structure has strength rigidity greater much heavier models dont get kind strength-weight ratio making rudder pylon out solid sheet stock example fuselage basically tapered 1/16sheet balsa tube form made wrapping triangular sheets Silkspan 3/4 aluminum tube zero build up end 7/8 diameter other similar method used Phil Klintworth make form Nordic glider tailbooms See column April 1971 American Aircraft Modeler first 7 tapered fuselage designed give maximum tail mo ment arms using 36 sheet hence overhanging fin Formers inserted through seam secured cyano acrylate adhesive seam itself sealed cyanoacrylate dethermal izer cord runs through Nylon tubing sold NFFS Supplies runs through fuselage formers strung tubing like beads before inserted tube engine mount made front section Competition Models tank Fuel tank pen bladder slung between landing skids main structural members built-up pylon plywood formers glued fuselage formers before inserted fuselage tube flat region fuselage py lon thats Seelig minicombo 1 timer installed area under front stab mount reinforced layer 1/64 plywood wrapped around tube entire boom wrapped layer light O6-oz fiberglass tissue ap plied over rudder built up us ing 1/32 sheet over symmetrical ribs wing stab construction some what unusual spars consisting cap strips joined full-length webs joined straight diagonal ribs form torsionally rigid structure leading trailing edge sections attached spars Trailing edges built up entire model covered Esaki Plyspan about Glenn rather enthu siastic .. ne could ever hope Its lighter stronger other coverings takes less dope nearly strong wet dry Although seems trend ward auto-tails AMA-Gas categor ies especially larger ones Glenns does use says model makes good transition glide would add weight tail Stoy Boys Toy Revisited Predictably Stan Stoys Cat Indoor HLG record kicked off bit fuss See December column Stan violated no rule flew un der conditions found us would have done Except after test flight us would have 36 Model Aviation judged extremely turbulent conditions totally unsuitable flying gone home broken existing record second two regardless con ditions would have no fuss has clearly demonstrated potential under normal conditions sev eral years event progress meas ured tenths second doesnt break existing record half minute causing bit fuss Protests submitted protestors made strong point fact ar tificially created updrafts equated Stoys performance intentionally set ting up devices create artificial updrafts Contest Board Chairman equated Stoys performance flying NASAs vertical wind tunnels fact equal updrafts downdrafts ignored fact contestant no part selecting site designing operating air conditioning system Bear mind rulebook does require records set under normal con ditions nor does have thing say re garding either artificial natural up drafts downdrafts turbulence Three months after record perfor mance CB Chairman directed AMA Headquarters withdraw Stoys record rulebook specifies person flights protested shall notified protests invited submit statement before protest acted upon Stoy given rights CB Chairmans action protes ted accordance historical precedent written rules matter turned over FF Contest Board vote Eight eleven board members voted six eight voted knn Sckneider NationaL record AMA Catff IACias Open Oct 7 Second pLczce 197 Nats cunte oo 48 C473% Viaia Prop Cox /i3 cut 588 1sq____ C 13 II accept Stoys record Meanwhile another contest popped up East St Louis Armory Stoy en75515 S Wciqltts 02 425Total Areas 6q *U tulse4 Wine3255 StabBss Airfoils 25 Stab8% W149 88ZOrbttr 475Enqine kirn/Coxo4q Pen bLactder April1978 37 Ms Phyllis Warner holds Bills rubber-powered Madame Elijah Gypsy Moth winner 1976 Flightmasters ROW meet Model quickly converts landplane version real would fly well CO2 Telco Shark Dave Linstrum holding three Driftwoulds Grasshopper HI gliders riIis webs dfaqoeUlLS tered beat mark existed pre vious protested margin 08 sec two-flight total 796 sec detectable turbulence degree would consider abnormal followed two additional tempts both exceeded old re cord 788 sec During two latter attempts no air motion anyone could detect evidence full potential model has yet reached new model previously flown competition used protested flights model chucked height about 30 ft Sin less Cat limit although test flights hit 32 ft-7 ceiling Weather conditions somewhat miser able outside seldom makes good air inside Coots break tradition sev eral important aspects tiny little things Coot 4 rode tur bulence two-flight total 1088 sec has flat span 126 Coot 5 new hair larger having 145-in span weights like models would build 20-ft ceil tng225 240 grams respectively stab area about third normal size 75% flexible trailing edge perhaps new idea has never used successfully CG well forward 40% root chord moved farther forward flights extreme turbulence Stan Stoy expects out competi tion about year going after Masters degree Aeroelasticity watch out Meanwhile well keep eyes Stans brother Mike Dale Frost both have turning scores around 78 sec recently Coot can execute dynamic soaring extreme turbulence models would fall flat empennages big technological breakthrough have ever seen model aviation has predicted theoretically aircraft just right sort flying turbulent air just right sort could advantage ously extract energy air passive aircraft control mechanisms sort can quite unexpected Coot can also repeatibly execute record performances under nor mal conditions icing cake perhaps salt wound depending point view RM Enterprizes Kits RMs president general manager janitor Tom Hut chinson announces two new kits have added RMs already extensive line bringing total up three beginners instead competition-minded free fighters em pasis quality designs ones have good competition potential good track record Balsa supplied Mike Taibis Superior Aircraft Balsa Continued page 94 luiIiIIIIIiIIIIII 4 IIIIIII 7 5/z TI/14 heLICOre12 cut6ootz CAt i t2ec01265 oer rotnl112c12 1457 io Jl At2t2L stevens 13z4 1977 -kand pitc4t Sliced ribs 4dsord er 40% tip Tis~e wrap Condenser paper Ught tissue no dope 38 Model Aviation quare Eagle P30 model UUIHI irom iiiage MOU6IS KIT UOOO KIT TIflU flier uave LII1SUUIJ sq i/B skeet tube 18 Lang wraipeci form FINE QUALITY KITS AND ACCESSORIES 4 GEE BEE RACER 1/32 NORTHROP GAMMA ___ 1/72- BOEING2471/72 MARTIN B lOB 1/72 CURTISS C-46 1/72 SCALE PLASTIC KITS FLYING MODEL ACCESSORIES SCALE PILOTS INE GUNS WHEELS & WHEEL PANTS ENGINE KITS & CYLINDERS SEND 5O FOR ILLUSTRATEDLLAS CATALOG DEPARTMENT MA 181 PAWNEE ST SAN MARCOS Ca 92069 powder utilized commercial painters achieve simulated metallic effects gave authentic distinctive finish maintains translucent quality tissue hallmark rubber models concession use opaque paint accent green trim nose Testors Pla flat green masked sprayed over balsa prepared three coats sanding sealer Cover wing stabilizer chrome yellow Japanese tissue grain run ning parallel spar Follow same procedure fuselage omitting silver course little wedgeshaped area wing center section trailing edge silver like fuselage vertical fin silver Cut registration letters black tis sue Apply clear dope after third coat clear dope Wing letters prefix G appears sta bilizer repeated underside sur faces legend under cabin windows WESTERN CANADA AIRWAYS LTD FORT CHURCHILL under cockpit 14-point News Gothic rub-on type available better art supply stores Fokker script logo ap pears fin nose made handlettering original Fokker style photographic reference photograph ing size turn converted rub-off transfer using INT new 3M product available graphic arts supply houses tail skid made same reed exhaust system slightly tapered cemented place painted dark brown Control horns between stretch ed 2-lb fishing leader has sprayed black made l/32M sheet plywood Surface horns painted dark gray movable surfaces like aile rons elevator rudder delineated 1/32 chart tape ruled black India ink same applies cabin door fuel tank outlines top surface wing Make individual cabin windows windshield 010 clear acetate secured Hot-Stuff equivalent Paint window sills vertical separations light gray cockpit including wing notch painted flat dark gray oil filler cap front cockpit fuel filler cap below cockpit left side fuselage made discarded marking pen caps cut proper length Cockpit coaming made leather thong cemented place yes Hot-Stuff pilot carved balsa given three coats sanding sealer Acrylic artists colors available tubes used apply cosmetic touches Moustache optional Goggles bent fine brass wire dipped clear dope make microfilm lenses Flying Check CG before testing 14 strands lubricated 3/16 Sig Contest rubber limp rubber about 28 long hangs out nose about 9 Break rubber carefully using method suggest about 350-400 turns tests enough provide suffi cient power observe balance turn characteristics Maximum turns have tried about 900 model ROGs real istically flies large circles ex tremely stable never causes appre hension Fokker Universal very satisfy ing model favorites Whether build compete just pleasure has plenty offer FF Duration/Mouser continued page 38 Maverick 260 winner US Free Flight Champs available complete kit including machine-cut parts stripwood $1450 Zingo simple good-performing FAI Power model designed especially free flighter wants sample challenging event also good Class B model built required weight FAI competition available partial kit including curved parts machine-cut high-quality balsa does include stripwood fuselage sides plans plans available Carstens Publications $2 price $1200 Mainstay RM product line Ultimate Dragmaster Nordic A-2 towline glider model intended has rather successful serious com petition since its birth 1971 A-2 goes together rather easily Prices various versions Complete kit $2250 fiberglass boom $2750 par tial kit no plans stripwood $1250 double kit including wood two models box set plans $4000 Since entire RM Enterprises occu pies corner spare bedroom might find kits stocked dealers shelves although stocked few dealers cater higher class discriminating competitionoriented clientele above prices postpaid US UPS used possible possible RM will kit Flying Burrito Brother perhaps Hines Blanchard HLG sometime after summer according chief design T Hutchin son Production manager Rosemary Hut chinson states latest RM proto type 3850-gram 512-cm item called Michael Patrick will definitely put production No Non-Cents Strikes Again Now really getting ridiculous Mike Van Gor der Junior won combined Jr/Sr/ Open Pennyplane event SWOFF Indoor Meet Cincinnati November also established new official records both Pennyplane Novice Pennyplane Junior Category III flight time 10086 records displace two pre viously held Marnie Meuser also made No Non-Cents makes 14 records No Non-Cents nine stand currently construction article appeared July 1977 issue product review product review product review Rear Exhaust Muffler Ingenious new muffler fit 29 35 40 rear-exhaust engines reduces noise 10 12 decibels little no power loss Blends proportional volume ex pansion chamber triple reflective tailcone baffles unit effective heat dissipation Machine-cast aluminum weighs 2 oz easily attached two screws Price $1195 announced price rear ex haust mufflers 15 19 80 engines Tatone Products 1209 Geneva Ave San Francisco CA 94112 product review product review product review 94 Model Aviation BMA Scholarship Contest Boeing Management Association has announced its ninth annual Scholarship Contest Open Contest held Boeing Space Center Kent Washington July 8 9 $2500 scholarships will awarded contestants 18 under Tro phies other prizes awarded events contest open members age 18 under may compete scholarships strictly free-flight contest free-fighter would have fly following CL events run ning scholarship Goodyear Pre cision Aerobatics Profile Navy Carrier Slow Combat FF events include Out door HLG Indoor HLG Easy Bee Towline Glider Unlimited Rubber Outdoor Peanut Scale Gas clear whether Towline Glider event A-l A-2 gliders has A-2 previous years addition FF CL events few Rocket RC events tossed events run ac cording AMA NAR rules addi tion Easy Bee models must have solid motor stick paper covering may have wire bracing AMA NAR MAAC licenses required ap plicable parents squirmy about sending only-begotten 14-year-old oIl own weekend BMA will provide home away home no cost required info write BMA PO Box 3707 Seattle WA 98124 attention Ted Caputo ORGN 4-1800 Mail Stop 17-26 Darryl Stevens Sets Five Records four day November 27 Record Trials Lake Elsinore Cal 15-year-old Darryl set following Junior Category outdoor free flight records Gas ROW Un limited Rubber ROW Ornithopter records 1020 753 respectively set using same model usual Cox 049-051 switcheroo model typical ones Darryl brother Gary have done well quite awhile 300 sq square-tip slabsided pylon ship Two floats used up front single rear suspen ded sub-fin Fuel 65% nitromethane 20% poly propylene oxide 15% oil seems Stevenses have kicked alcohol hab completely Unlimited Rubber ROW model scored 446 smallish Un limited 200 sq rolled-tube fuselage employed Twin fins supported pair foam floats rear single foam float used up front Ornithopter real ornithopter ornipropter unusual design no fixed wing area whole works flap 600 sq bi plane having two 6-by-36-in wings top bottom wings come together separate 75-degree included angle Motor run about minute no glide speak record threeflight score 244 best flight being 55 sec month earlier Orbiteers Annual Elsinore Darryl demolished Cat Junior Helicopter record three -flight total 1324 using Tom Finchs design Darryls score tops records ages categories except mark set 1960 Tom Finch him self Sympo 78 Reminder bear down might barely have time crank out paper 1978 NFFS Symposium Re port Completed reports should hands Editor April 1 have something hopper let Editor name Bob Dodds lives Box 436 Rancho Santa Fe CA 92067 Signs Times minutes December meeting Willamette Oregon Modelers Club moved Bob Stalick substitute P-30 plastic prop rubber power event Rocket Silents Please Meet 1978 Seconded passed recommen ded secretary correspond other Northwest clubs encourage include new event minutes annual meeting Northern California F/F Council motion Oakland Cloud Dus ters include P-30 event sched ule one-year provisional basis Secon ded passed unanimously again Southern California product review product review product review I Hold Trimit vertically & pierce material point fl 2 Hold Trimit 450 angle cot material CURVED MICROOIADE PROTECTS MOOEL~ & TADLETOP T-SOUARE COVER EAD RUNS XETS YOU OTHLY CARRY LONG EDGES TRIMIT P1 MODEL NO YOUR POCKETMORE WODO NICKS Trimit new tool cuts through Mono kote Solarfilm Coverite silk tissue clean razorbladebut lasts far longer multi-faceted blade has superior sharpness durability Underside blade curved material can cut leaving scars balsa delicate work surfaces cluding foam Housed special T-square shaped head runs smoothly along edges model br ruler blade produces straight cuts curved cut blade changes direction tearing material Comes plastic cover carried pocket Price $119 Coverite 2779 Philmont Ave Huntingdon Valley PA 19006 product review product review product review FOR THE PERFECT NOSE JOB [ NYLON BLOCKS For 5/32 wire Consists 2 Nylon Blocks 4 Bolts 4 Nuts 4 Lock Washers Y No 156Si 25 O PRODUCTS INCORPORATED 480 BONNER ROAD WAUCONDA ILL 60084 Free Flight Association includes major free flight clubs area proposes drop Rocket replace P-30 outfit runs biggie US Free Flight Championships annually Taft countrys remaining Cat egory site Incidentally Champs might become four-day affair year New events come go P-30 event clearly winner start Already has national mail-inthe-model meet event Dave Listrum Memorial unofficial events P-30 held two prestigious meets 1977 Nats USFF Champs Plans two Oldenkamp-designed P-30 April 1978 95 STEERABLE NOSE Quality shock nose gear absorbing duty wire 152153Complete 5/32 heavy Nylon Nose Gear Blocks 154Steering Arm No 152 $295 ii Sent IINo 153 5285 vsII StaghIl II No 154 5 75 NOSY Gea VJre 114STEERING ARM ASSEMBLY Nylon steering arm brass bushing I4 set screw fits 5/32 nose gear wire NEW SNAP-ON u. CONNECTOR INCLUDED No 155 $125 cat IE0 NEW/ MUFF-L-IT SERIES REGULAR XIUST Available B end C engines Six eight Db reduction noise engines Proportional volumne axpan sion chamber Large exhaust nozuis tar low beck pressure Littie no loss power 003010979$749 NO3772940$039 903034990$949 *.Ib ro B Mdc 040. No304000919$1085 No 30589 29.4$ ttl95 No304814980$1349 1/2A MUFFLER Fits alt COX 049 engines No 3009049$549 140 300t051$549 models have appeared mags Turkey appeared November 1977 issue MAN Plan No 301 $150 Hotbox July 1977 issue MB Plan No 7773 $100 mentioned fine P-30 kit manufactured Blue Ridge Models January issue Blue Ridge ModelS manufacturer Square Eagle P-30 Coupe de Ville kits sup pliers other free flight specialty items has new address PO Box 429 Skyland North Carolina 28776 hassle obtaining Jetex fuel has too much cope maybe wing stab Jetex model would serve P-30 model Maybe didnt plan way seems Wally Simmers designed pretty good P-30 back about 1940 called Gollywok information P-30 write Harry Steinmetz 4425 Samoset Ave San Diego CA 92117 Manhattan Mail-h Box up favorite Manhattan Formula indoor cabin model First Annual MIAMA Manhat tan Contest First prize expected hopefully trip two Miami including blimp rides deep sea fishing guest-of-honor appearance MIAMA annual banquet Models must arrive Miami no later April 14 1977 better hustle fur ther information write Dr John Martin 3227 Darwin St Miami FL 33133 Briefly rules Wing 20 max projected span 4 chord stab 8 X 3 max length including prop 20 weight less motor 4 gm mm fuselagetype models fuse must enclose box 2 X 2 X 4 windshield 2 sq side windows 1 sq two l-diam wheels covering tissue condenser paper wood prop Bob Meuser 4200 Gregory St Oak land CA 94619 country tremendous resurgence activity especially Peanut scale can traced efforts way bring ing plans kits articles scale meets attention French modelers Re spected loved Jacques sur vived wife Loly shared en thusiasm les peanuts Multi-Engine Madness interesting scale subjects world equipped two powerplants Two motors may double fun Now less adventurous type may search out CLT center-line thrust design such Bratu Cessna Push-pull Sometimes works Ive seen Tom Starks Dornier Pfiel rubber scaler traverse length El Toro Blimp Hangar Santa Ana California flying straight arrow Others including similar speed job have less successful Probably judicious sorting out prop suitability thrust adjustments fore aft would make fairly idea set-up available twins tn-motors fourengined planes however involve pos sibility assymetrical thrust side pulling harder other Years ago Irwin Ohlsson neat twin both ignition engines running off same set points both en gines turning same direction model tractable speed engine perfectly tune other Rubber-powered ships such P-38 seem work well though na celles installations too short store much rubber Controlling tendency side other pull other simply matter keeping track number winds stuffed side upping weak side few turns CO2 craze hit us few years ago reintroduction inexpensive light fairly reliable Brown Junior units first thing Walt Mooney did install pair rubber-type Canadair model running both off tank thought would both run out gas simultaneously negating hair raising prospect mill stopping dead other purred merrily away make long story short problem getting two engines run same speed incredibly difficult always wanting freeze down little throw whole thrust pattern out whack Lets get hassle trying synchronize two glow engines Jack Mc Cracken worked out sliding motormount set up Curtiss Condor two Cox Pee Wees Beautifully machined rig held forward position en gine thrust quit spring pulled back simulutaneously chopped other engine Great idea youre master machinist can work out bugs Despite weight problem Im opinion electric way go multi Flipping switch certainly easier flipping props Sync no big deal unless get some Hot Stuff mo tor bearing did Airspeed rpm being being pretty repeatable motor flight after flight com mon battery source sag down gether keeping thrust pattern con stant youre likely get problem lack experience electric may get hot water Wiring motors series parallel makes difference Dont go motor motor wiring run motors power straight out battery switch power Also plane needs kept light rubber ship want run contrarotating props just reverse leads get reverse-pitch prop later electric December 1977 Flightmasters Jumbo-Peanut Scale meet number entrants prompted addition multi-engine class let imagina tions run free Some unusual 96 Model Aviation FF Sport Scale/Warner continued page 39 writing estaera mention read about MA
Edition: Model Aviation - 1978/04
Page Numbers: 36, 37, 38, 94, 95, 96
Duration 0 Bob Meuser jh LIL BOOGER Although has en tered handful contests Glenn Schneiders Lil Booger has already stacked up rather impressive track record first second place six eight meets coot mike 6 StAfl 5011 1flOOtZ CAt1 #zecizb Coot 4 s 1 i ii zz-g 2409 _I .-Coot t 4_______ 11111I Wing5j Lb aut udder o b-grain StaI3 lb oo5 b- grain Fuio lbA-grain 16 A____ I-4 has entered including first Fresno Annual second 1977 Nats Category II Open /2A Gas record Although model exceptionally I 3 8 41 A~JL CC cit 40% chord TE bent down r a5semL1lj light 825 oz careful design con struction has resulted structure has strength rigidity greater much heavier models dont get kind strength-weight ratio making rudder pylon out solid sheet stock example fuselage basically tapered 1/16sheet balsa tube form made wrapping triangular sheets Silkspan 3/4 aluminum tube zero build up end 7/8 diameter other similar method used Phil Klintworth make form Nordic glider tailbooms See column April 1971 American Aircraft Modeler first 7 tapered fuselage designed give maximum tail mo ment arms using 36 sheet hence overhanging fin Formers inserted through seam secured cyano acrylate adhesive seam itself sealed cyanoacrylate dethermal izer cord runs through Nylon tubing sold NFFS Supplies runs through fuselage formers strung tubing like beads before inserted tube engine mount made front section Competition Models tank Fuel tank pen bladder slung between landing skids main structural members built-up pylon plywood formers glued fuselage formers before inserted fuselage tube flat region fuselage py lon thats Seelig minicombo 1 timer installed area under front stab mount reinforced layer 1/64 plywood wrapped around tube entire boom wrapped layer light O6-oz fiberglass tissue ap plied over rudder built up us ing 1/32 sheet over symmetrical ribs wing stab construction some what unusual spars consisting cap strips joined full-length webs joined straight diagonal ribs form torsionally rigid structure leading trailing edge sections attached spars Trailing edges built up entire model covered Esaki Plyspan about Glenn rather enthu siastic .. ne could ever hope Its lighter stronger other coverings takes less dope nearly strong wet dry Although seems trend ward auto-tails AMA-Gas categor ies especially larger ones Glenns does use says model makes good transition glide would add weight tail Stoy Boys Toy Revisited Predictably Stan Stoys Cat Indoor HLG record kicked off bit fuss See December column Stan violated no rule flew un der conditions found us would have done Except after test flight us would have 36 Model Aviation judged extremely turbulent conditions totally unsuitable flying gone home broken existing record second two regardless con ditions would have no fuss has clearly demonstrated potential under normal conditions sev eral years event progress meas ured tenths second doesnt break existing record half minute causing bit fuss Protests submitted protestors made strong point fact ar tificially created updrafts equated Stoys performance intentionally set ting up devices create artificial updrafts Contest Board Chairman equated Stoys performance flying NASAs vertical wind tunnels fact equal updrafts downdrafts ignored fact contestant no part selecting site designing operating air conditioning system Bear mind rulebook does require records set under normal con ditions nor does have thing say re garding either artificial natural up drafts downdrafts turbulence Three months after record perfor mance CB Chairman directed AMA Headquarters withdraw Stoys record rulebook specifies person flights protested shall notified protests invited submit statement before protest acted upon Stoy given rights CB Chairmans action protes ted accordance historical precedent written rules matter turned over FF Contest Board vote Eight eleven board members voted six eight voted knn Sckneider NationaL record AMA Catff IACias Open Oct 7 Second pLczce 197 Nats cunte oo 48 C473% Viaia Prop Cox /i3 cut 588 1sq____ C 13 II accept Stoys record Meanwhile another contest popped up East St Louis Armory Stoy en75515 S Wciqltts 02 425Total Areas 6q *U tulse4 Wine3255 StabBss Airfoils 25 Stab8% W149 88ZOrbttr 475Enqine kirn/Coxo4q Pen bLactder April1978 37 Ms Phyllis Warner holds Bills rubber-powered Madame Elijah Gypsy Moth winner 1976 Flightmasters ROW meet Model quickly converts landplane version real would fly well CO2 Telco Shark Dave Linstrum holding three Driftwoulds Grasshopper HI gliders riIis webs dfaqoeUlLS tered beat mark existed pre vious protested margin 08 sec two-flight total 796 sec detectable turbulence degree would consider abnormal followed two additional tempts both exceeded old re cord 788 sec During two latter attempts no air motion anyone could detect evidence full potential model has yet reached new model previously flown competition used protested flights model chucked height about 30 ft Sin less Cat limit although test flights hit 32 ft-7 ceiling Weather conditions somewhat miser able outside seldom makes good air inside Coots break tradition sev eral important aspects tiny little things Coot 4 rode tur bulence two-flight total 1088 sec has flat span 126 Coot 5 new hair larger having 145-in span weights like models would build 20-ft ceil tng225 240 grams respectively stab area about third normal size 75% flexible trailing edge perhaps new idea has never used successfully CG well forward 40% root chord moved farther forward flights extreme turbulence Stan Stoy expects out competi tion about year going after Masters degree Aeroelasticity watch out Meanwhile well keep eyes Stans brother Mike Dale Frost both have turning scores around 78 sec recently Coot can execute dynamic soaring extreme turbulence models would fall flat empennages big technological breakthrough have ever seen model aviation has predicted theoretically aircraft just right sort flying turbulent air just right sort could advantage ously extract energy air passive aircraft control mechanisms sort can quite unexpected Coot can also repeatibly execute record performances under nor mal conditions icing cake perhaps salt wound depending point view RM Enterprizes Kits RMs president general manager janitor Tom Hut chinson announces two new kits have added RMs already extensive line bringing total up three beginners instead competition-minded free fighters em pasis quality designs ones have good competition potential good track record Balsa supplied Mike Taibis Superior Aircraft Balsa Continued page 94 luiIiIIIIIiIIIIII 4 IIIIIII 7 5/z TI/14 heLICOre12 cut6ootz CAt i t2ec01265 oer rotnl112c12 1457 io Jl At2t2L stevens 13z4 1977 -kand pitc4t Sliced ribs 4dsord er 40% tip Tis~e wrap Condenser paper Ught tissue no dope 38 Model Aviation quare Eagle P30 model UUIHI irom iiiage MOU6IS KIT UOOO KIT TIflU flier uave LII1SUUIJ sq i/B skeet tube 18 Lang wraipeci form FINE QUALITY KITS AND ACCESSORIES 4 GEE BEE RACER 1/32 NORTHROP GAMMA ___ 1/72- BOEING2471/72 MARTIN B lOB 1/72 CURTISS C-46 1/72 SCALE PLASTIC KITS FLYING MODEL ACCESSORIES SCALE PILOTS INE GUNS WHEELS & WHEEL PANTS ENGINE KITS & CYLINDERS SEND 5O FOR ILLUSTRATEDLLAS CATALOG DEPARTMENT MA 181 PAWNEE ST SAN MARCOS Ca 92069 powder utilized commercial painters achieve simulated metallic effects gave authentic distinctive finish maintains translucent quality tissue hallmark rubber models concession use opaque paint accent green trim nose Testors Pla flat green masked sprayed over balsa prepared three coats sanding sealer Cover wing stabilizer chrome yellow Japanese tissue grain run ning parallel spar Follow same procedure fuselage omitting silver course little wedgeshaped area wing center section trailing edge silver like fuselage vertical fin silver Cut registration letters black tis sue Apply clear dope after third coat clear dope Wing letters prefix G appears sta bilizer repeated underside sur faces legend under cabin windows WESTERN CANADA AIRWAYS LTD FORT CHURCHILL under cockpit 14-point News Gothic rub-on type available better art supply stores Fokker script logo ap pears fin nose made handlettering original Fokker style photographic reference photograph ing size turn converted rub-off transfer using INT new 3M product available graphic arts supply houses tail skid made same reed exhaust system slightly tapered cemented place painted dark brown Control horns between stretch ed 2-lb fishing leader has sprayed black made l/32M sheet plywood Surface horns painted dark gray movable surfaces like aile rons elevator rudder delineated 1/32 chart tape ruled black India ink same applies cabin door fuel tank outlines top surface wing Make individual cabin windows windshield 010 clear acetate secured Hot-Stuff equivalent Paint window sills vertical separations light gray cockpit including wing notch painted flat dark gray oil filler cap front cockpit fuel filler cap below cockpit left side fuselage made discarded marking pen caps cut proper length Cockpit coaming made leather thong cemented place yes Hot-Stuff pilot carved balsa given three coats sanding sealer Acrylic artists colors available tubes used apply cosmetic touches Moustache optional Goggles bent fine brass wire dipped clear dope make microfilm lenses Flying Check CG before testing 14 strands lubricated 3/16 Sig Contest rubber limp rubber about 28 long hangs out nose about 9 Break rubber carefully using method suggest about 350-400 turns tests enough provide suffi cient power observe balance turn characteristics Maximum turns have tried about 900 model ROGs real istically flies large circles ex tremely stable never causes appre hension Fokker Universal very satisfy ing model favorites Whether build compete just pleasure has plenty offer FF Duration/Mouser continued page 38 Maverick 260 winner US Free Flight Champs available complete kit including machine-cut parts stripwood $1450 Zingo simple good-performing FAI Power model designed especially free flighter wants sample challenging event also good Class B model built required weight FAI competition available partial kit including curved parts machine-cut high-quality balsa does include stripwood fuselage sides plans plans available Carstens Publications $2 price $1200 Mainstay RM product line Ultimate Dragmaster Nordic A-2 towline glider model intended has rather successful serious com petition since its birth 1971 A-2 goes together rather easily Prices various versions Complete kit $2250 fiberglass boom $2750 par tial kit no plans stripwood $1250 double kit including wood two models box set plans $4000 Since entire RM Enterprises occu pies corner spare bedroom might find kits stocked dealers shelves although stocked few dealers cater higher class discriminating competitionoriented clientele above prices postpaid US UPS used possible possible RM will kit Flying Burrito Brother perhaps Hines Blanchard HLG sometime after summer according chief design T Hutchin son Production manager Rosemary Hut chinson states latest RM proto type 3850-gram 512-cm item called Michael Patrick will definitely put production No Non-Cents Strikes Again Now really getting ridiculous Mike Van Gor der Junior won combined Jr/Sr/ Open Pennyplane event SWOFF Indoor Meet Cincinnati November also established new official records both Pennyplane Novice Pennyplane Junior Category III flight time 10086 records displace two pre viously held Marnie Meuser also made No Non-Cents makes 14 records No Non-Cents nine stand currently construction article appeared July 1977 issue product review product review product review Rear Exhaust Muffler Ingenious new muffler fit 29 35 40 rear-exhaust engines reduces noise 10 12 decibels little no power loss Blends proportional volume ex pansion chamber triple reflective tailcone baffles unit effective heat dissipation Machine-cast aluminum weighs 2 oz easily attached two screws Price $1195 announced price rear ex haust mufflers 15 19 80 engines Tatone Products 1209 Geneva Ave San Francisco CA 94112 product review product review product review 94 Model Aviation BMA Scholarship Contest Boeing Management Association has announced its ninth annual Scholarship Contest Open Contest held Boeing Space Center Kent Washington July 8 9 $2500 scholarships will awarded contestants 18 under Tro phies other prizes awarded events contest open members age 18 under may compete scholarships strictly free-flight contest free-fighter would have fly following CL events run ning scholarship Goodyear Pre cision Aerobatics Profile Navy Carrier Slow Combat FF events include Out door HLG Indoor HLG Easy Bee Towline Glider Unlimited Rubber Outdoor Peanut Scale Gas clear whether Towline Glider event A-l A-2 gliders has A-2 previous years addition FF CL events few Rocket RC events tossed events run ac cording AMA NAR rules addi tion Easy Bee models must have solid motor stick paper covering may have wire bracing AMA NAR MAAC licenses required ap plicable parents squirmy about sending only-begotten 14-year-old oIl own weekend BMA will provide home away home no cost required info write BMA PO Box 3707 Seattle WA 98124 attention Ted Caputo ORGN 4-1800 Mail Stop 17-26 Darryl Stevens Sets Five Records four day November 27 Record Trials Lake Elsinore Cal 15-year-old Darryl set following Junior Category outdoor free flight records Gas ROW Un limited Rubber ROW Ornithopter records 1020 753 respectively set using same model usual Cox 049-051 switcheroo model typical ones Darryl brother Gary have done well quite awhile 300 sq square-tip slabsided pylon ship Two floats used up front single rear suspen ded sub-fin Fuel 65% nitromethane 20% poly propylene oxide 15% oil seems Stevenses have kicked alcohol hab completely Unlimited Rubber ROW model scored 446 smallish Un limited 200 sq rolled-tube fuselage employed Twin fins supported pair foam floats rear single foam float used up front Ornithopter real ornithopter ornipropter unusual design no fixed wing area whole works flap 600 sq bi plane having two 6-by-36-in wings top bottom wings come together separate 75-degree included angle Motor run about minute no glide speak record threeflight score 244 best flight being 55 sec month earlier Orbiteers Annual Elsinore Darryl demolished Cat Junior Helicopter record three -flight total 1324 using Tom Finchs design Darryls score tops records ages categories except mark set 1960 Tom Finch him self Sympo 78 Reminder bear down might barely have time crank out paper 1978 NFFS Symposium Re port Completed reports should hands Editor April 1 have something hopper let Editor name Bob Dodds lives Box 436 Rancho Santa Fe CA 92067 Signs Times minutes December meeting Willamette Oregon Modelers Club moved Bob Stalick substitute P-30 plastic prop rubber power event Rocket Silents Please Meet 1978 Seconded passed recommen ded secretary correspond other Northwest clubs encourage include new event minutes annual meeting Northern California F/F Council motion Oakland Cloud Dus ters include P-30 event sched ule one-year provisional basis Secon ded passed unanimously again Southern California product review product review product review I Hold Trimit vertically & pierce material point fl 2 Hold Trimit 450 angle cot material CURVED MICROOIADE PROTECTS MOOEL~ & TADLETOP T-SOUARE COVER EAD RUNS XETS YOU OTHLY CARRY LONG EDGES TRIMIT P1 MODEL NO YOUR POCKETMORE WODO NICKS Trimit new tool cuts through Mono kote Solarfilm Coverite silk tissue clean razorbladebut lasts far longer multi-faceted blade has superior sharpness durability Underside blade curved material can cut leaving scars balsa delicate work surfaces cluding foam Housed special T-square shaped head runs smoothly along edges model br ruler blade produces straight cuts curved cut blade changes direction tearing material Comes plastic cover carried pocket Price $119 Coverite 2779 Philmont Ave Huntingdon Valley PA 19006 product review product review product review FOR THE PERFECT NOSE JOB [ NYLON BLOCKS For 5/32 wire Consists 2 Nylon Blocks 4 Bolts 4 Nuts 4 Lock Washers Y No 156Si 25 O PRODUCTS INCORPORATED 480 BONNER ROAD WAUCONDA ILL 60084 Free Flight Association includes major free flight clubs area proposes drop Rocket replace P-30 outfit runs biggie US Free Flight Championships annually Taft countrys remaining Cat egory site Incidentally Champs might become four-day affair year New events come go P-30 event clearly winner start Already has national mail-inthe-model meet event Dave Listrum Memorial unofficial events P-30 held two prestigious meets 1977 Nats USFF Champs Plans two Oldenkamp-designed P-30 April 1978 95 STEERABLE NOSE Quality shock nose gear absorbing duty wire 152153Complete 5/32 heavy Nylon Nose Gear Blocks 154Steering Arm No 152 $295 ii Sent IINo 153 5285 vsII StaghIl II No 154 5 75 NOSY Gea VJre 114STEERING ARM ASSEMBLY Nylon steering arm brass bushing I4 set screw fits 5/32 nose gear wire NEW SNAP-ON u. CONNECTOR INCLUDED No 155 $125 cat IE0 NEW/ MUFF-L-IT SERIES REGULAR XIUST Available B end C engines Six eight Db reduction noise engines Proportional volumne axpan sion chamber Large exhaust nozuis tar low beck pressure Littie no loss power 003010979$749 NO3772940$039 903034990$949 *.Ib ro B Mdc 040. No304000919$1085 No 30589 29.4$ ttl95 No304814980$1349 1/2A MUFFLER Fits alt COX 049 engines No 3009049$549 140 300t051$549 models have appeared mags Turkey appeared November 1977 issue MAN Plan No 301 $150 Hotbox July 1977 issue MB Plan No 7773 $100 mentioned fine P-30 kit manufactured Blue Ridge Models January issue Blue Ridge ModelS manufacturer Square Eagle P-30 Coupe de Ville kits sup pliers other free flight specialty items has new address PO Box 429 Skyland North Carolina 28776 hassle obtaining Jetex fuel has too much cope maybe wing stab Jetex model would serve P-30 model Maybe didnt plan way seems Wally Simmers designed pretty good P-30 back about 1940 called Gollywok information P-30 write Harry Steinmetz 4425 Samoset Ave San Diego CA 92117 Manhattan Mail-h Box up favorite Manhattan Formula indoor cabin model First Annual MIAMA Manhat tan Contest First prize expected hopefully trip two Miami including blimp rides deep sea fishing guest-of-honor appearance MIAMA annual banquet Models must arrive Miami no later April 14 1977 better hustle fur ther information write Dr John Martin 3227 Darwin St Miami FL 33133 Briefly rules Wing 20 max projected span 4 chord stab 8 X 3 max length including prop 20 weight less motor 4 gm mm fuselagetype models fuse must enclose box 2 X 2 X 4 windshield 2 sq side windows 1 sq two l-diam wheels covering tissue condenser paper wood prop Bob Meuser 4200 Gregory St Oak land CA 94619 country tremendous resurgence activity especially Peanut scale can traced efforts way bring ing plans kits articles scale meets attention French modelers Re spected loved Jacques sur vived wife Loly shared en thusiasm les peanuts Multi-Engine Madness interesting scale subjects world equipped two powerplants Two motors may double fun Now less adventurous type may search out CLT center-line thrust design such Bratu Cessna Push-pull Sometimes works Ive seen Tom Starks Dornier Pfiel rubber scaler traverse length El Toro Blimp Hangar Santa Ana California flying straight arrow Others including similar speed job have less successful Probably judicious sorting out prop suitability thrust adjustments fore aft would make fairly idea set-up available twins tn-motors fourengined planes however involve pos sibility assymetrical thrust side pulling harder other Years ago Irwin Ohlsson neat twin both ignition engines running off same set points both en gines turning same direction model tractable speed engine perfectly tune other Rubber-powered ships such P-38 seem work well though na celles installations too short store much rubber Controlling tendency side other pull other simply matter keeping track number winds stuffed side upping weak side few turns CO2 craze hit us few years ago reintroduction inexpensive light fairly reliable Brown Junior units first thing Walt Mooney did install pair rubber-type Canadair model running both off tank thought would both run out gas simultaneously negating hair raising prospect mill stopping dead other purred merrily away make long story short problem getting two engines run same speed incredibly difficult always wanting freeze down little throw whole thrust pattern out whack Lets get hassle trying synchronize two glow engines Jack Mc Cracken worked out sliding motormount set up Curtiss Condor two Cox Pee Wees Beautifully machined rig held forward position en gine thrust quit spring pulled back simulutaneously chopped other engine Great idea youre master machinist can work out bugs Despite weight problem Im opinion electric way go multi Flipping switch certainly easier flipping props Sync no big deal unless get some Hot Stuff mo tor bearing did Airspeed rpm being being pretty repeatable motor flight after flight com mon battery source sag down gether keeping thrust pattern con stant youre likely get problem lack experience electric may get hot water Wiring motors series parallel makes difference Dont go motor motor wiring run motors power straight out battery switch power Also plane needs kept light rubber ship want run contrarotating props just reverse leads get reverse-pitch prop later electric December 1977 Flightmasters Jumbo-Peanut Scale meet number entrants prompted addition multi-engine class let imagina tions run free Some unusual 96 Model Aviation FF Sport Scale/Warner continued page 39 writing estaera mention read about MA
Edition: Model Aviation - 1978/04
Page Numbers: 36, 37, 38, 94, 95, 96
Duration 0 Bob Meuser jh LIL BOOGER Although has en tered handful contests Glenn Schneiders Lil Booger has already stacked up rather impressive track record first second place six eight meets coot mike 6 StAfl 5011 1flOOtZ CAt1 #zecizb Coot 4 s 1 i ii zz-g 2409 _I .-Coot t 4_______ 11111I Wing5j Lb aut udder o b-grain StaI3 lb oo5 b- grain Fuio lbA-grain 16 A____ I-4 has entered including first Fresno Annual second 1977 Nats Category II Open /2A Gas record Although model exceptionally I 3 8 41 A~JL CC cit 40% chord TE bent down r a5semL1lj light 825 oz careful design con struction has resulted structure has strength rigidity greater much heavier models dont get kind strength-weight ratio making rudder pylon out solid sheet stock example fuselage basically tapered 1/16sheet balsa tube form made wrapping triangular sheets Silkspan 3/4 aluminum tube zero build up end 7/8 diameter other similar method used Phil Klintworth make form Nordic glider tailbooms See column April 1971 American Aircraft Modeler first 7 tapered fuselage designed give maximum tail mo ment arms using 36 sheet hence overhanging fin Formers inserted through seam secured cyano acrylate adhesive seam itself sealed cyanoacrylate dethermal izer cord runs through Nylon tubing sold NFFS Supplies runs through fuselage formers strung tubing like beads before inserted tube engine mount made front section Competition Models tank Fuel tank pen bladder slung between landing skids main structural members built-up pylon plywood formers glued fuselage formers before inserted fuselage tube flat region fuselage py lon thats Seelig minicombo 1 timer installed area under front stab mount reinforced layer 1/64 plywood wrapped around tube entire boom wrapped layer light O6-oz fiberglass tissue ap plied over rudder built up us ing 1/32 sheet over symmetrical ribs wing stab construction some what unusual spars consisting cap strips joined full-length webs joined straight diagonal ribs form torsionally rigid structure leading trailing edge sections attached spars Trailing edges built up entire model covered Esaki Plyspan about Glenn rather enthu siastic .. ne could ever hope Its lighter stronger other coverings takes less dope nearly strong wet dry Although seems trend ward auto-tails AMA-Gas categor ies especially larger ones Glenns does use says model makes good transition glide would add weight tail Stoy Boys Toy Revisited Predictably Stan Stoys Cat Indoor HLG record kicked off bit fuss See December column Stan violated no rule flew un der conditions found us would have done Except after test flight us would have 36 Model Aviation judged extremely turbulent conditions totally unsuitable flying gone home broken existing record second two regardless con ditions would have no fuss has clearly demonstrated potential under normal conditions sev eral years event progress meas ured tenths second doesnt break existing record half minute causing bit fuss Protests submitted protestors made strong point fact ar tificially created updrafts equated Stoys performance intentionally set ting up devices create artificial updrafts Contest Board Chairman equated Stoys performance flying NASAs vertical wind tunnels fact equal updrafts downdrafts ignored fact contestant no part selecting site designing operating air conditioning system Bear mind rulebook does require records set under normal con ditions nor does have thing say re garding either artificial natural up drafts downdrafts turbulence Three months after record perfor mance CB Chairman directed AMA Headquarters withdraw Stoys record rulebook specifies person flights protested shall notified protests invited submit statement before protest acted upon Stoy given rights CB Chairmans action protes ted accordance historical precedent written rules matter turned over FF Contest Board vote Eight eleven board members voted six eight voted knn Sckneider NationaL record AMA Catff IACias Open Oct 7 Second pLczce 197 Nats cunte oo 48 C473% Viaia Prop Cox /i3 cut 588 1sq____ C 13 II accept Stoys record Meanwhile another contest popped up East St Louis Armory Stoy en75515 S Wciqltts 02 425Total Areas 6q *U tulse4 Wine3255 StabBss Airfoils 25 Stab8% W149 88ZOrbttr 475Enqine kirn/Coxo4q Pen bLactder April1978 37 Ms Phyllis Warner holds Bills rubber-powered Madame Elijah Gypsy Moth winner 1976 Flightmasters ROW meet Model quickly converts landplane version real would fly well CO2 Telco Shark Dave Linstrum holding three Driftwoulds Grasshopper HI gliders riIis webs dfaqoeUlLS tered beat mark existed pre vious protested margin 08 sec two-flight total 796 sec detectable turbulence degree would consider abnormal followed two additional tempts both exceeded old re cord 788 sec During two latter attempts no air motion anyone could detect evidence full potential model has yet reached new model previously flown competition used protested flights model chucked height about 30 ft Sin less Cat limit although test flights hit 32 ft-7 ceiling Weather conditions somewhat miser able outside seldom makes good air inside Coots break tradition sev eral important aspects tiny little things Coot 4 rode tur bulence two-flight total 1088 sec has flat span 126 Coot 5 new hair larger having 145-in span weights like models would build 20-ft ceil tng225 240 grams respectively stab area about third normal size 75% flexible trailing edge perhaps new idea has never used successfully CG well forward 40% root chord moved farther forward flights extreme turbulence Stan Stoy expects out competi tion about year going after Masters degree Aeroelasticity watch out Meanwhile well keep eyes Stans brother Mike Dale Frost both have turning scores around 78 sec recently Coot can execute dynamic soaring extreme turbulence models would fall flat empennages big technological breakthrough have ever seen model aviation has predicted theoretically aircraft just right sort flying turbulent air just right sort could advantage ously extract energy air passive aircraft control mechanisms sort can quite unexpected Coot can also repeatibly execute record performances under nor mal conditions icing cake perhaps salt wound depending point view RM Enterprizes Kits RMs president general manager janitor Tom Hut chinson announces two new kits have added RMs already extensive line bringing total up three beginners instead competition-minded free fighters em pasis quality designs ones have good competition potential good track record Balsa supplied Mike Taibis Superior Aircraft Balsa Continued page 94 luiIiIIIIIiIIIIII 4 IIIIIII 7 5/z TI/14 heLICOre12 cut6ootz CAt i t2ec01265 oer rotnl112c12 1457 io Jl At2t2L stevens 13z4 1977 -kand pitc4t Sliced ribs 4dsord er 40% tip Tis~e wrap Condenser paper Ught tissue no dope 38 Model Aviation quare Eagle P30 model UUIHI irom iiiage MOU6IS KIT UOOO KIT TIflU flier uave LII1SUUIJ sq i/B skeet tube 18 Lang wraipeci form FINE QUALITY KITS AND ACCESSORIES 4 GEE BEE RACER 1/32 NORTHROP GAMMA ___ 1/72- BOEING2471/72 MARTIN B lOB 1/72 CURTISS C-46 1/72 SCALE PLASTIC KITS FLYING MODEL ACCESSORIES SCALE PILOTS INE GUNS WHEELS & WHEEL PANTS ENGINE KITS & CYLINDERS SEND 5O FOR ILLUSTRATEDLLAS CATALOG DEPARTMENT MA 181 PAWNEE ST SAN MARCOS Ca 92069 powder utilized commercial painters achieve simulated metallic effects gave authentic distinctive finish maintains translucent quality tissue hallmark rubber models concession use opaque paint accent green trim nose Testors Pla flat green masked sprayed over balsa prepared three coats sanding sealer Cover wing stabilizer chrome yellow Japanese tissue grain run ning parallel spar Follow same procedure fuselage omitting silver course little wedgeshaped area wing center section trailing edge silver like fuselage vertical fin silver Cut registration letters black tis sue Apply clear dope after third coat clear dope Wing letters prefix G appears sta bilizer repeated underside sur faces legend under cabin windows WESTERN CANADA AIRWAYS LTD FORT CHURCHILL under cockpit 14-point News Gothic rub-on type available better art supply stores Fokker script logo ap pears fin nose made handlettering original Fokker style photographic reference photograph ing size turn converted rub-off transfer using INT new 3M product available graphic arts supply houses tail skid made same reed exhaust system slightly tapered cemented place painted dark brown Control horns between stretch ed 2-lb fishing leader has sprayed black made l/32M sheet plywood Surface horns painted dark gray movable surfaces like aile rons elevator rudder delineated 1/32 chart tape ruled black India ink same applies cabin door fuel tank outlines top surface wing Make individual cabin windows windshield 010 clear acetate secured Hot-Stuff equivalent Paint window sills vertical separations light gray cockpit including wing notch painted flat dark gray oil filler cap front cockpit fuel filler cap below cockpit left side fuselage made discarded marking pen caps cut proper length Cockpit coaming made leather thong cemented place yes Hot-Stuff pilot carved balsa given three coats sanding sealer Acrylic artists colors available tubes used apply cosmetic touches Moustache optional Goggles bent fine brass wire dipped clear dope make microfilm lenses Flying Check CG before testing 14 strands lubricated 3/16 Sig Contest rubber limp rubber about 28 long hangs out nose about 9 Break rubber carefully using method suggest about 350-400 turns tests enough provide suffi cient power observe balance turn characteristics Maximum turns have tried about 900 model ROGs real istically flies large circles ex tremely stable never causes appre hension Fokker Universal very satisfy ing model favorites Whether build compete just pleasure has plenty offer FF Duration/Mouser continued page 38 Maverick 260 winner US Free Flight Champs available complete kit including machine-cut parts stripwood $1450 Zingo simple good-performing FAI Power model designed especially free flighter wants sample challenging event also good Class B model built required weight FAI competition available partial kit including curved parts machine-cut high-quality balsa does include stripwood fuselage sides plans plans available Carstens Publications $2 price $1200 Mainstay RM product line Ultimate Dragmaster Nordic A-2 towline glider model intended has rather successful serious com petition since its birth 1971 A-2 goes together rather easily Prices various versions Complete kit $2250 fiberglass boom $2750 par tial kit no plans stripwood $1250 double kit including wood two models box set plans $4000 Since entire RM Enterprises occu pies corner spare bedroom might find kits stocked dealers shelves although stocked few dealers cater higher class discriminating competitionoriented clientele above prices postpaid US UPS used possible possible RM will kit Flying Burrito Brother perhaps Hines Blanchard HLG sometime after summer according chief design T Hutchin son Production manager Rosemary Hut chinson states latest RM proto type 3850-gram 512-cm item called Michael Patrick will definitely put production No Non-Cents Strikes Again Now really getting ridiculous Mike Van Gor der Junior won combined Jr/Sr/ Open Pennyplane event SWOFF Indoor Meet Cincinnati November also established new official records both Pennyplane Novice Pennyplane Junior Category III flight time 10086 records displace two pre viously held Marnie Meuser also made No Non-Cents makes 14 records No Non-Cents nine stand currently construction article appeared July 1977 issue product review product review product review Rear Exhaust Muffler Ingenious new muffler fit 29 35 40 rear-exhaust engines reduces noise 10 12 decibels little no power loss Blends proportional volume ex pansion chamber triple reflective tailcone baffles unit effective heat dissipation Machine-cast aluminum weighs 2 oz easily attached two screws Price $1195 announced price rear ex haust mufflers 15 19 80 engines Tatone Products 1209 Geneva Ave San Francisco CA 94112 product review product review product review 94 Model Aviation BMA Scholarship Contest Boeing Management Association has announced its ninth annual Scholarship Contest Open Contest held Boeing Space Center Kent Washington July 8 9 $2500 scholarships will awarded contestants 18 under Tro phies other prizes awarded events contest open members age 18 under may compete scholarships strictly free-flight contest free-fighter would have fly following CL events run ning scholarship Goodyear Pre cision Aerobatics Profile Navy Carrier Slow Combat FF events include Out door HLG Indoor HLG Easy Bee Towline Glider Unlimited Rubber Outdoor Peanut Scale Gas clear whether Towline Glider event A-l A-2 gliders has A-2 previous years addition FF CL events few Rocket RC events tossed events run ac cording AMA NAR rules addi tion Easy Bee models must have solid motor stick paper covering may have wire bracing AMA NAR MAAC licenses required ap plicable parents squirmy about sending only-begotten 14-year-old oIl own weekend BMA will provide home away home no cost required info write BMA PO Box 3707 Seattle WA 98124 attention Ted Caputo ORGN 4-1800 Mail Stop 17-26 Darryl Stevens Sets Five Records four day November 27 Record Trials Lake Elsinore Cal 15-year-old Darryl set following Junior Category outdoor free flight records Gas ROW Un limited Rubber ROW Ornithopter records 1020 753 respectively set using same model usual Cox 049-051 switcheroo model typical ones Darryl brother Gary have done well quite awhile 300 sq square-tip slabsided pylon ship Two floats used up front single rear suspen ded sub-fin Fuel 65% nitromethane 20% poly propylene oxide 15% oil seems Stevenses have kicked alcohol hab completely Unlimited Rubber ROW model scored 446 smallish Un limited 200 sq rolled-tube fuselage employed Twin fins supported pair foam floats rear single foam float used up front Ornithopter real ornithopter ornipropter unusual design no fixed wing area whole works flap 600 sq bi plane having two 6-by-36-in wings top bottom wings come together separate 75-degree included angle Motor run about minute no glide speak record threeflight score 244 best flight being 55 sec month earlier Orbiteers Annual Elsinore Darryl demolished Cat Junior Helicopter record three -flight total 1324 using Tom Finchs design Darryls score tops records ages categories except mark set 1960 Tom Finch him self Sympo 78 Reminder bear down might barely have time crank out paper 1978 NFFS Symposium Re port Completed reports should hands Editor April 1 have something hopper let Editor name Bob Dodds lives Box 436 Rancho Santa Fe CA 92067 Signs Times minutes December meeting Willamette Oregon Modelers Club moved Bob Stalick substitute P-30 plastic prop rubber power event Rocket Silents Please Meet 1978 Seconded passed recommen ded secretary correspond other Northwest clubs encourage include new event minutes annual meeting Northern California F/F Council motion Oakland Cloud Dus ters include P-30 event sched ule one-year provisional basis Secon ded passed unanimously again Southern California product review product review product review I Hold Trimit vertically & pierce material point fl 2 Hold Trimit 450 angle cot material CURVED MICROOIADE PROTECTS MOOEL~ & TADLETOP T-SOUARE COVER EAD RUNS XETS YOU OTHLY CARRY LONG EDGES TRIMIT P1 MODEL NO YOUR POCKETMORE WODO NICKS Trimit new tool cuts through Mono kote Solarfilm Coverite silk tissue clean razorbladebut lasts far longer multi-faceted blade has superior sharpness durability Underside blade curved material can cut leaving scars balsa delicate work surfaces cluding foam Housed special T-square shaped head runs smoothly along edges model br ruler blade produces straight cuts curved cut blade changes direction tearing material Comes plastic cover carried pocket Price $119 Coverite 2779 Philmont Ave Huntingdon Valley PA 19006 product review product review product review FOR THE PERFECT NOSE JOB [ NYLON BLOCKS For 5/32 wire Consists 2 Nylon Blocks 4 Bolts 4 Nuts 4 Lock Washers Y No 156Si 25 O PRODUCTS INCORPORATED 480 BONNER ROAD WAUCONDA ILL 60084 Free Flight Association includes major free flight clubs area proposes drop Rocket replace P-30 outfit runs biggie US Free Flight Championships annually Taft countrys remaining Cat egory site Incidentally Champs might become four-day affair year New events come go P-30 event clearly winner start Already has national mail-inthe-model meet event Dave Listrum Memorial unofficial events P-30 held two prestigious meets 1977 Nats USFF Champs Plans two Oldenkamp-designed P-30 April 1978 95 STEERABLE NOSE Quality shock nose gear absorbing duty wire 152153Complete 5/32 heavy Nylon Nose Gear Blocks 154Steering Arm No 152 $295 ii Sent IINo 153 5285 vsII StaghIl II No 154 5 75 NOSY Gea VJre 114STEERING ARM ASSEMBLY Nylon steering arm brass bushing I4 set screw fits 5/32 nose gear wire NEW SNAP-ON u. CONNECTOR INCLUDED No 155 $125 cat IE0 NEW/ MUFF-L-IT SERIES REGULAR XIUST Available B end C engines Six eight Db reduction noise engines Proportional volumne axpan sion chamber Large exhaust nozuis tar low beck pressure Littie no loss power 003010979$749 NO3772940$039 903034990$949 *.Ib ro B Mdc 040. No304000919$1085 No 30589 29.4$ ttl95 No304814980$1349 1/2A MUFFLER Fits alt COX 049 engines No 3009049$549 140 300t051$549 models have appeared mags Turkey appeared November 1977 issue MAN Plan No 301 $150 Hotbox July 1977 issue MB Plan No 7773 $100 mentioned fine P-30 kit manufactured Blue Ridge Models January issue Blue Ridge ModelS manufacturer Square Eagle P-30 Coupe de Ville kits sup pliers other free flight specialty items has new address PO Box 429 Skyland North Carolina 28776 hassle obtaining Jetex fuel has too much cope maybe wing stab Jetex model would serve P-30 model Maybe didnt plan way seems Wally Simmers designed pretty good P-30 back about 1940 called Gollywok information P-30 write Harry Steinmetz 4425 Samoset Ave San Diego CA 92117 Manhattan Mail-h Box up favorite Manhattan Formula indoor cabin model First Annual MIAMA Manhat tan Contest First prize expected hopefully trip two Miami including blimp rides deep sea fishing guest-of-honor appearance MIAMA annual banquet Models must arrive Miami no later April 14 1977 better hustle fur ther information write Dr John Martin 3227 Darwin St Miami FL 33133 Briefly rules Wing 20 max projected span 4 chord stab 8 X 3 max length including prop 20 weight less motor 4 gm mm fuselagetype models fuse must enclose box 2 X 2 X 4 windshield 2 sq side windows 1 sq two l-diam wheels covering tissue condenser paper wood prop Bob Meuser 4200 Gregory St Oak land CA 94619 country tremendous resurgence activity especially Peanut scale can traced efforts way bring ing plans kits articles scale meets attention French modelers Re spected loved Jacques sur vived wife Loly shared en thusiasm les peanuts Multi-Engine Madness interesting scale subjects world equipped two powerplants Two motors may double fun Now less adventurous type may search out CLT center-line thrust design such Bratu Cessna Push-pull Sometimes works Ive seen Tom Starks Dornier Pfiel rubber scaler traverse length El Toro Blimp Hangar Santa Ana California flying straight arrow Others including similar speed job have less successful Probably judicious sorting out prop suitability thrust adjustments fore aft would make fairly idea set-up available twins tn-motors fourengined planes however involve pos sibility assymetrical thrust side pulling harder other Years ago Irwin Ohlsson neat twin both ignition engines running off same set points both en gines turning same direction model tractable speed engine perfectly tune other Rubber-powered ships such P-38 seem work well though na celles installations too short store much rubber Controlling tendency side other pull other simply matter keeping track number winds stuffed side upping weak side few turns CO2 craze hit us few years ago reintroduction inexpensive light fairly reliable Brown Junior units first thing Walt Mooney did install pair rubber-type Canadair model running both off tank thought would both run out gas simultaneously negating hair raising prospect mill stopping dead other purred merrily away make long story short problem getting two engines run same speed incredibly difficult always wanting freeze down little throw whole thrust pattern out whack Lets get hassle trying synchronize two glow engines Jack Mc Cracken worked out sliding motormount set up Curtiss Condor two Cox Pee Wees Beautifully machined rig held forward position en gine thrust quit spring pulled back simulutaneously chopped other engine Great idea youre master machinist can work out bugs Despite weight problem Im opinion electric way go multi Flipping switch certainly easier flipping props Sync no big deal unless get some Hot Stuff mo tor bearing did Airspeed rpm being being pretty repeatable motor flight after flight com mon battery source sag down gether keeping thrust pattern con stant youre likely get problem lack experience electric may get hot water Wiring motors series parallel makes difference Dont go motor motor wiring run motors power straight out battery switch power Also plane needs kept light rubber ship want run contrarotating props just reverse leads get reverse-pitch prop later electric December 1977 Flightmasters Jumbo-Peanut Scale meet number entrants prompted addition multi-engine class let imagina tions run free Some unusual 96 Model Aviation FF Sport Scale/Warner continued page 39 writing estaera mention read about MA
Edition: Model Aviation - 1978/04
Page Numbers: 36, 37, 38, 94, 95, 96
Duration 0 Bob Meuser jh LIL BOOGER Although has en tered handful contests Glenn Schneiders Lil Booger has already stacked up rather impressive track record first second place six eight meets coot mike 6 StAfl 5011 1flOOtZ CAt1 #zecizb Coot 4 s 1 i ii zz-g 2409 _I .-Coot t 4_______ 11111I Wing5j Lb aut udder o b-grain StaI3 lb oo5 b- grain Fuio lbA-grain 16 A____ I-4 has entered including first Fresno Annual second 1977 Nats Category II Open /2A Gas record Although model exceptionally I 3 8 41 A~JL CC cit 40% chord TE bent down r a5semL1lj light 825 oz careful design con struction has resulted structure has strength rigidity greater much heavier models dont get kind strength-weight ratio making rudder pylon out solid sheet stock example fuselage basically tapered 1/16sheet balsa tube form made wrapping triangular sheets Silkspan 3/4 aluminum tube zero build up end 7/8 diameter other similar method used Phil Klintworth make form Nordic glider tailbooms See column April 1971 American Aircraft Modeler first 7 tapered fuselage designed give maximum tail mo ment arms using 36 sheet hence overhanging fin Formers inserted through seam secured cyano acrylate adhesive seam itself sealed cyanoacrylate dethermal izer cord runs through Nylon tubing sold NFFS Supplies runs through fuselage formers strung tubing like beads before inserted tube engine mount made front section Competition Models tank Fuel tank pen bladder slung between landing skids main structural members built-up pylon plywood formers glued fuselage formers before inserted fuselage tube flat region fuselage py lon thats Seelig minicombo 1 timer installed area under front stab mount reinforced layer 1/64 plywood wrapped around tube entire boom wrapped layer light O6-oz fiberglass tissue ap plied over rudder built up us ing 1/32 sheet over symmetrical ribs wing stab construction some what unusual spars consisting cap strips joined full-length webs joined straight diagonal ribs form torsionally rigid structure leading trailing edge sections attached spars Trailing edges built up entire model covered Esaki Plyspan about Glenn rather enthu siastic .. ne could ever hope Its lighter stronger other coverings takes less dope nearly strong wet dry Although seems trend ward auto-tails AMA-Gas categor ies especially larger ones Glenns does use says model makes good transition glide would add weight tail Stoy Boys Toy Revisited Predictably Stan Stoys Cat Indoor HLG record kicked off bit fuss See December column Stan violated no rule flew un der conditions found us would have done Except after test flight us would have 36 Model Aviation judged extremely turbulent conditions totally unsuitable flying gone home broken existing record second two regardless con ditions would have no fuss has clearly demonstrated potential under normal conditions sev eral years event progress meas ured tenths second doesnt break existing record half minute causing bit fuss Protests submitted protestors made strong point fact ar tificially created updrafts equated Stoys performance intentionally set ting up devices create artificial updrafts Contest Board Chairman equated Stoys performance flying NASAs vertical wind tunnels fact equal updrafts downdrafts ignored fact contestant no part selecting site designing operating air conditioning system Bear mind rulebook does require records set under normal con ditions nor does have thing say re garding either artificial natural up drafts downdrafts turbulence Three months after record perfor mance CB Chairman directed AMA Headquarters withdraw Stoys record rulebook specifies person flights protested shall notified protests invited submit statement before protest acted upon Stoy given rights CB Chairmans action protes ted accordance historical precedent written rules matter turned over FF Contest Board vote Eight eleven board members voted six eight voted knn Sckneider NationaL record AMA Catff IACias Open Oct 7 Second pLczce 197 Nats cunte oo 48 C473% Viaia Prop Cox /i3 cut 588 1sq____ C 13 II accept Stoys record Meanwhile another contest popped up East St Louis Armory Stoy en75515 S Wciqltts 02 425Total Areas 6q *U tulse4 Wine3255 StabBss Airfoils 25 Stab8% W149 88ZOrbttr 475Enqine kirn/Coxo4q Pen bLactder April1978 37 Ms Phyllis Warner holds Bills rubber-powered Madame Elijah Gypsy Moth winner 1976 Flightmasters ROW meet Model quickly converts landplane version real would fly well CO2 Telco Shark Dave Linstrum holding three Driftwoulds Grasshopper HI gliders riIis webs dfaqoeUlLS tered beat mark existed pre vious protested margin 08 sec two-flight total 796 sec detectable turbulence degree would consider abnormal followed two additional tempts both exceeded old re cord 788 sec During two latter attempts no air motion anyone could detect evidence full potential model has yet reached new model previously flown competition used protested flights model chucked height about 30 ft Sin less Cat limit although test flights hit 32 ft-7 ceiling Weather conditions somewhat miser able outside seldom makes good air inside Coots break tradition sev eral important aspects tiny little things Coot 4 rode tur bulence two-flight total 1088 sec has flat span 126 Coot 5 new hair larger having 145-in span weights like models would build 20-ft ceil tng225 240 grams respectively stab area about third normal size 75% flexible trailing edge perhaps new idea has never used successfully CG well forward 40% root chord moved farther forward flights extreme turbulence Stan Stoy expects out competi tion about year going after Masters degree Aeroelasticity watch out Meanwhile well keep eyes Stans brother Mike Dale Frost both have turning scores around 78 sec recently Coot can execute dynamic soaring extreme turbulence models would fall flat empennages big technological breakthrough have ever seen model aviation has predicted theoretically aircraft just right sort flying turbulent air just right sort could advantage ously extract energy air passive aircraft control mechanisms sort can quite unexpected Coot can also repeatibly execute record performances under nor mal conditions icing cake perhaps salt wound depending point view RM Enterprizes Kits RMs president general manager janitor Tom Hut chinson announces two new kits have added RMs already extensive line bringing total up three beginners instead competition-minded free fighters em pasis quality designs ones have good competition potential good track record Balsa supplied Mike Taibis Superior Aircraft Balsa Continued page 94 luiIiIIIIIiIIIIII 4 IIIIIII 7 5/z TI/14 heLICOre12 cut6ootz CAt i t2ec01265 oer rotnl112c12 1457 io Jl At2t2L stevens 13z4 1977 -kand pitc4t Sliced ribs 4dsord er 40% tip Tis~e wrap Condenser paper Ught tissue no dope 38 Model Aviation quare Eagle P30 model UUIHI irom iiiage MOU6IS KIT UOOO KIT TIflU flier uave LII1SUUIJ sq i/B skeet tube 18 Lang wraipeci form FINE QUALITY KITS AND ACCESSORIES 4 GEE BEE RACER 1/32 NORTHROP GAMMA ___ 1/72- BOEING2471/72 MARTIN B lOB 1/72 CURTISS C-46 1/72 SCALE PLASTIC KITS FLYING MODEL ACCESSORIES SCALE PILOTS INE GUNS WHEELS & WHEEL PANTS ENGINE KITS & CYLINDERS SEND 5O FOR ILLUSTRATEDLLAS CATALOG DEPARTMENT MA 181 PAWNEE ST SAN MARCOS Ca 92069 powder utilized commercial painters achieve simulated metallic effects gave authentic distinctive finish maintains translucent quality tissue hallmark rubber models concession use opaque paint accent green trim nose Testors Pla flat green masked sprayed over balsa prepared three coats sanding sealer Cover wing stabilizer chrome yellow Japanese tissue grain run ning parallel spar Follow same procedure fuselage omitting silver course little wedgeshaped area wing center section trailing edge silver like fuselage vertical fin silver Cut registration letters black tis sue Apply clear dope after third coat clear dope Wing letters prefix G appears sta bilizer repeated underside sur faces legend under cabin windows WESTERN CANADA AIRWAYS LTD FORT CHURCHILL under cockpit 14-point News Gothic rub-on type available better art supply stores Fokker script logo ap pears fin nose made handlettering original Fokker style photographic reference photograph ing size turn converted rub-off transfer using INT new 3M product available graphic arts supply houses tail skid made same reed exhaust system slightly tapered cemented place painted dark brown Control horns between stretch ed 2-lb fishing leader has sprayed black made l/32M sheet plywood Surface horns painted dark gray movable surfaces like aile rons elevator rudder delineated 1/32 chart tape ruled black India ink same applies cabin door fuel tank outlines top surface wing Make individual cabin windows windshield 010 clear acetate secured Hot-Stuff equivalent Paint window sills vertical separations light gray cockpit including wing notch painted flat dark gray oil filler cap front cockpit fuel filler cap below cockpit left side fuselage made discarded marking pen caps cut proper length Cockpit coaming made leather thong cemented place yes Hot-Stuff pilot carved balsa given three coats sanding sealer Acrylic artists colors available tubes used apply cosmetic touches Moustache optional Goggles bent fine brass wire dipped clear dope make microfilm lenses Flying Check CG before testing 14 strands lubricated 3/16 Sig Contest rubber limp rubber about 28 long hangs out nose about 9 Break rubber carefully using method suggest about 350-400 turns tests enough provide suffi cient power observe balance turn characteristics Maximum turns have tried about 900 model ROGs real istically flies large circles ex tremely stable never causes appre hension Fokker Universal very satisfy ing model favorites Whether build compete just pleasure has plenty offer FF Duration/Mouser continued page 38 Maverick 260 winner US Free Flight Champs available complete kit including machine-cut parts stripwood $1450 Zingo simple good-performing FAI Power model designed especially free flighter wants sample challenging event also good Class B model built required weight FAI competition available partial kit including curved parts machine-cut high-quality balsa does include stripwood fuselage sides plans plans available Carstens Publications $2 price $1200 Mainstay RM product line Ultimate Dragmaster Nordic A-2 towline glider model intended has rather successful serious com petition since its birth 1971 A-2 goes together rather easily Prices various versions Complete kit $2250 fiberglass boom $2750 par tial kit no plans stripwood $1250 double kit including wood two models box set plans $4000 Since entire RM Enterprises occu pies corner spare bedroom might find kits stocked dealers shelves although stocked few dealers cater higher class discriminating competitionoriented clientele above prices postpaid US UPS used possible possible RM will kit Flying Burrito Brother perhaps Hines Blanchard HLG sometime after summer according chief design T Hutchin son Production manager Rosemary Hut chinson states latest RM proto type 3850-gram 512-cm item called Michael Patrick will definitely put production No Non-Cents Strikes Again Now really getting ridiculous Mike Van Gor der Junior won combined Jr/Sr/ Open Pennyplane event SWOFF Indoor Meet Cincinnati November also established new official records both Pennyplane Novice Pennyplane Junior Category III flight time 10086 records displace two pre viously held Marnie Meuser also made No Non-Cents makes 14 records No Non-Cents nine stand currently construction article appeared July 1977 issue product review product review product review Rear Exhaust Muffler Ingenious new muffler fit 29 35 40 rear-exhaust engines reduces noise 10 12 decibels little no power loss Blends proportional volume ex pansion chamber triple reflective tailcone baffles unit effective heat dissipation Machine-cast aluminum weighs 2 oz easily attached two screws Price $1195 announced price rear ex haust mufflers 15 19 80 engines Tatone Products 1209 Geneva Ave San Francisco CA 94112 product review product review product review 94 Model Aviation BMA Scholarship Contest Boeing Management Association has announced its ninth annual Scholarship Contest Open Contest held Boeing Space Center Kent Washington July 8 9 $2500 scholarships will awarded contestants 18 under Tro phies other prizes awarded events contest open members age 18 under may compete scholarships strictly free-flight contest free-fighter would have fly following CL events run ning scholarship Goodyear Pre cision Aerobatics Profile Navy Carrier Slow Combat FF events include Out door HLG Indoor HLG Easy Bee Towline Glider Unlimited Rubber Outdoor Peanut Scale Gas clear whether Towline Glider event A-l A-2 gliders has A-2 previous years addition FF CL events few Rocket RC events tossed events run ac cording AMA NAR rules addi tion Easy Bee models must have solid motor stick paper covering may have wire bracing AMA NAR MAAC licenses required ap plicable parents squirmy about sending only-begotten 14-year-old oIl own weekend BMA will provide home away home no cost required info write BMA PO Box 3707 Seattle WA 98124 attention Ted Caputo ORGN 4-1800 Mail Stop 17-26 Darryl Stevens Sets Five Records four day November 27 Record Trials Lake Elsinore Cal 15-year-old Darryl set following Junior Category outdoor free flight records Gas ROW Un limited Rubber ROW Ornithopter records 1020 753 respectively set using same model usual Cox 049-051 switcheroo model typical ones Darryl brother Gary have done well quite awhile 300 sq square-tip slabsided pylon ship Two floats used up front single rear suspen ded sub-fin Fuel 65% nitromethane 20% poly propylene oxide 15% oil seems Stevenses have kicked alcohol hab completely Unlimited Rubber ROW model scored 446 smallish Un limited 200 sq rolled-tube fuselage employed Twin fins supported pair foam floats rear single foam float used up front Ornithopter real ornithopter ornipropter unusual design no fixed wing area whole works flap 600 sq bi plane having two 6-by-36-in wings top bottom wings come together separate 75-degree included angle Motor run about minute no glide speak record threeflight score 244 best flight being 55 sec month earlier Orbiteers Annual Elsinore Darryl demolished Cat Junior Helicopter record three -flight total 1324 using Tom Finchs design Darryls score tops records ages categories except mark set 1960 Tom Finch him self Sympo 78 Reminder bear down might barely have time crank out paper 1978 NFFS Symposium Re port Completed reports should hands Editor April 1 have something hopper let Editor name Bob Dodds lives Box 436 Rancho Santa Fe CA 92067 Signs Times minutes December meeting Willamette Oregon Modelers Club moved Bob Stalick substitute P-30 plastic prop rubber power event Rocket Silents Please Meet 1978 Seconded passed recommen ded secretary correspond other Northwest clubs encourage include new event minutes annual meeting Northern California F/F Council motion Oakland Cloud Dus ters include P-30 event sched ule one-year provisional basis Secon ded passed unanimously again Southern California product review product review product review I Hold Trimit vertically & pierce material point fl 2 Hold Trimit 450 angle cot material CURVED MICROOIADE PROTECTS MOOEL~ & TADLETOP T-SOUARE COVER EAD RUNS XETS YOU OTHLY CARRY LONG EDGES TRIMIT P1 MODEL NO YOUR POCKETMORE WODO NICKS Trimit new tool cuts through Mono kote Solarfilm Coverite silk tissue clean razorbladebut lasts far longer multi-faceted blade has superior sharpness durability Underside blade curved material can cut leaving scars balsa delicate work surfaces cluding foam Housed special T-square shaped head runs smoothly along edges model br ruler blade produces straight cuts curved cut blade changes direction tearing material Comes plastic cover carried pocket Price $119 Coverite 2779 Philmont Ave Huntingdon Valley PA 19006 product review product review product review FOR THE PERFECT NOSE JOB [ NYLON BLOCKS For 5/32 wire Consists 2 Nylon Blocks 4 Bolts 4 Nuts 4 Lock Washers Y No 156Si 25 O PRODUCTS INCORPORATED 480 BONNER ROAD WAUCONDA ILL 60084 Free Flight Association includes major free flight clubs area proposes drop Rocket replace P-30 outfit runs biggie US Free Flight Championships annually Taft countrys remaining Cat egory site Incidentally Champs might become four-day affair year New events come go P-30 event clearly winner start Already has national mail-inthe-model meet event Dave Listrum Memorial unofficial events P-30 held two prestigious meets 1977 Nats USFF Champs Plans two Oldenkamp-designed P-30 April 1978 95 STEERABLE NOSE Quality shock nose gear absorbing duty wire 152153Complete 5/32 heavy Nylon Nose Gear Blocks 154Steering Arm No 152 $295 ii Sent IINo 153 5285 vsII StaghIl II No 154 5 75 NOSY Gea VJre 114STEERING ARM ASSEMBLY Nylon steering arm brass bushing I4 set screw fits 5/32 nose gear wire NEW SNAP-ON u. CONNECTOR INCLUDED No 155 $125 cat IE0 NEW/ MUFF-L-IT SERIES REGULAR XIUST Available B end C engines Six eight Db reduction noise engines Proportional volumne axpan sion chamber Large exhaust nozuis tar low beck pressure Littie no loss power 003010979$749 NO3772940$039 903034990$949 *.Ib ro B Mdc 040. No304000919$1085 No 30589 29.4$ ttl95 No304814980$1349 1/2A MUFFLER Fits alt COX 049 engines No 3009049$549 140 300t051$549 models have appeared mags Turkey appeared November 1977 issue MAN Plan No 301 $150 Hotbox July 1977 issue MB Plan No 7773 $100 mentioned fine P-30 kit manufactured Blue Ridge Models January issue Blue Ridge ModelS manufacturer Square Eagle P-30 Coupe de Ville kits sup pliers other free flight specialty items has new address PO Box 429 Skyland North Carolina 28776 hassle obtaining Jetex fuel has too much cope maybe wing stab Jetex model would serve P-30 model Maybe didnt plan way seems Wally Simmers designed pretty good P-30 back about 1940 called Gollywok information P-30 write Harry Steinmetz 4425 Samoset Ave San Diego CA 92117 Manhattan Mail-h Box up favorite Manhattan Formula indoor cabin model First Annual MIAMA Manhat tan Contest First prize expected hopefully trip two Miami including blimp rides deep sea fishing guest-of-honor appearance MIAMA annual banquet Models must arrive Miami no later April 14 1977 better hustle fur ther information write Dr John Martin 3227 Darwin St Miami FL 33133 Briefly rules Wing 20 max projected span 4 chord stab 8 X 3 max length including prop 20 weight less motor 4 gm mm fuselagetype models fuse must enclose box 2 X 2 X 4 windshield 2 sq side windows 1 sq two l-diam wheels covering tissue condenser paper wood prop Bob Meuser 4200 Gregory St Oak land CA 94619 country tremendous resurgence activity especially Peanut scale can traced efforts way bring ing plans kits articles scale meets attention French modelers Re spected loved Jacques sur vived wife Loly shared en thusiasm les peanuts Multi-Engine Madness interesting scale subjects world equipped two powerplants Two motors may double fun Now less adventurous type may search out CLT center-line thrust design such Bratu Cessna Push-pull Sometimes works Ive seen Tom Starks Dornier Pfiel rubber scaler traverse length El Toro Blimp Hangar Santa Ana California flying straight arrow Others including similar speed job have less successful Probably judicious sorting out prop suitability thrust adjustments fore aft would make fairly idea set-up available twins tn-motors fourengined planes however involve pos sibility assymetrical thrust side pulling harder other Years ago Irwin Ohlsson neat twin both ignition engines running off same set points both en gines turning same direction model tractable speed engine perfectly tune other Rubber-powered ships such P-38 seem work well though na celles installations too short store much rubber Controlling tendency side other pull other simply matter keeping track number winds stuffed side upping weak side few turns CO2 craze hit us few years ago reintroduction inexpensive light fairly reliable Brown Junior units first thing Walt Mooney did install pair rubber-type Canadair model running both off tank thought would both run out gas simultaneously negating hair raising prospect mill stopping dead other purred merrily away make long story short problem getting two engines run same speed incredibly difficult always wanting freeze down little throw whole thrust pattern out whack Lets get hassle trying synchronize two glow engines Jack Mc Cracken worked out sliding motormount set up Curtiss Condor two Cox Pee Wees Beautifully machined rig held forward position en gine thrust quit spring pulled back simulutaneously chopped other engine Great idea youre master machinist can work out bugs Despite weight problem Im opinion electric way go multi Flipping switch certainly easier flipping props Sync no big deal unless get some Hot Stuff mo tor bearing did Airspeed rpm being being pretty repeatable motor flight after flight com mon battery source sag down gether keeping thrust pattern con stant youre likely get problem lack experience electric may get hot water Wiring motors series parallel makes difference Dont go motor motor wiring run motors power straight out battery switch power Also plane needs kept light rubber ship want run contrarotating props just reverse leads get reverse-pitch prop later electric December 1977 Flightmasters Jumbo-Peanut Scale meet number entrants prompted addition multi-engine class let imagina tions run free Some unusual 96 Model Aviation FF Sport Scale/Warner continued page 39 writing estaera mention read about MA
Edition: Model Aviation - 1978/04
Page Numbers: 36, 37, 38, 94, 95, 96
Duration 0 Bob Meuser jh LIL BOOGER Although has en tered handful contests Glenn Schneiders Lil Booger has already stacked up rather impressive track record first second place six eight meets coot mike 6 StAfl 5011 1flOOtZ CAt1 #zecizb Coot 4 s 1 i ii zz-g 2409 _I .-Coot t 4_______ 11111I Wing5j Lb aut udder o b-grain StaI3 lb oo5 b- grain Fuio lbA-grain 16 A____ I-4 has entered including first Fresno Annual second 1977 Nats Category II Open /2A Gas record Although model exceptionally I 3 8 41 A~JL CC cit 40% chord TE bent down r a5semL1lj light 825 oz careful design con struction has resulted structure has strength rigidity greater much heavier models dont get kind strength-weight ratio making rudder pylon out solid sheet stock example fuselage basically tapered 1/16sheet balsa tube form made wrapping triangular sheets Silkspan 3/4 aluminum tube zero build up end 7/8 diameter other similar method used Phil Klintworth make form Nordic glider tailbooms See column April 1971 American Aircraft Modeler first 7 tapered fuselage designed give maximum tail mo ment arms using 36 sheet hence overhanging fin Formers inserted through seam secured cyano acrylate adhesive seam itself sealed cyanoacrylate dethermal izer cord runs through Nylon tubing sold NFFS Supplies runs through fuselage formers strung tubing like beads before inserted tube engine mount made front section Competition Models tank Fuel tank pen bladder slung between landing skids main structural members built-up pylon plywood formers glued fuselage formers before inserted fuselage tube flat region fuselage py lon thats Seelig minicombo 1 timer installed area under front stab mount reinforced layer 1/64 plywood wrapped around tube entire boom wrapped layer light O6-oz fiberglass tissue ap plied over rudder built up us ing 1/32 sheet over symmetrical ribs wing stab construction some what unusual spars consisting cap strips joined full-length webs joined straight diagonal ribs form torsionally rigid structure leading trailing edge sections attached spars Trailing edges built up entire model covered Esaki Plyspan about Glenn rather enthu siastic .. ne could ever hope Its lighter stronger other coverings takes less dope nearly strong wet dry Although seems trend ward auto-tails AMA-Gas categor ies especially larger ones Glenns does use says model makes good transition glide would add weight tail Stoy Boys Toy Revisited Predictably Stan Stoys Cat Indoor HLG record kicked off bit fuss See December column Stan violated no rule flew un der conditions found us would have done Except after test flight us would have 36 Model Aviation judged extremely turbulent conditions totally unsuitable flying gone home broken existing record second two regardless con ditions would have no fuss has clearly demonstrated potential under normal conditions sev eral years event progress meas ured tenths second doesnt break existing record half minute causing bit fuss Protests submitted protestors made strong point fact ar tificially created updrafts equated Stoys performance intentionally set ting up devices create artificial updrafts Contest Board Chairman equated Stoys performance flying NASAs vertical wind tunnels fact equal updrafts downdrafts ignored fact contestant no part selecting site designing operating air conditioning system Bear mind rulebook does require records set under normal con ditions nor does have thing say re garding either artificial natural up drafts downdrafts turbulence Three months after record perfor mance CB Chairman directed AMA Headquarters withdraw Stoys record rulebook specifies person flights protested shall notified protests invited submit statement before protest acted upon Stoy given rights CB Chairmans action protes ted accordance historical precedent written rules matter turned over FF Contest Board vote Eight eleven board members voted six eight voted knn Sckneider NationaL record AMA Catff IACias Open Oct 7 Second pLczce 197 Nats cunte oo 48 C473% Viaia Prop Cox /i3 cut 588 1sq____ C 13 II accept Stoys record Meanwhile another contest popped up East St Louis Armory Stoy en75515 S Wciqltts 02 425Total Areas 6q *U tulse4 Wine3255 StabBss Airfoils 25 Stab8% W149 88ZOrbttr 475Enqine kirn/Coxo4q Pen bLactder April1978 37 Ms Phyllis Warner holds Bills rubber-powered Madame Elijah Gypsy Moth winner 1976 Flightmasters ROW meet Model quickly converts landplane version real would fly well CO2 Telco Shark Dave Linstrum holding three Driftwoulds Grasshopper HI gliders riIis webs dfaqoeUlLS tered beat mark existed pre vious protested margin 08 sec two-flight total 796 sec detectable turbulence degree would consider abnormal followed two additional tempts both exceeded old re cord 788 sec During two latter attempts no air motion anyone could detect evidence full potential model has yet reached new model previously flown competition used protested flights model chucked height about 30 ft Sin less Cat limit although test flights hit 32 ft-7 ceiling Weather conditions somewhat miser able outside seldom makes good air inside Coots break tradition sev eral important aspects tiny little things Coot 4 rode tur bulence two-flight total 1088 sec has flat span 126 Coot 5 new hair larger having 145-in span weights like models would build 20-ft ceil tng225 240 grams respectively stab area about third normal size 75% flexible trailing edge perhaps new idea has never used successfully CG well forward 40% root chord moved farther forward flights extreme turbulence Stan Stoy expects out competi tion about year going after Masters degree Aeroelasticity watch out Meanwhile well keep eyes Stans brother Mike Dale Frost both have turning scores around 78 sec recently Coot can execute dynamic soaring extreme turbulence models would fall flat empennages big technological breakthrough have ever seen model aviation has predicted theoretically aircraft just right sort flying turbulent air just right sort could advantage ously extract energy air passive aircraft control mechanisms sort can quite unexpected Coot can also repeatibly execute record performances under nor mal conditions icing cake perhaps salt wound depending point view RM Enterprizes Kits RMs president general manager janitor Tom Hut chinson announces two new kits have added RMs already extensive line bringing total up three beginners instead competition-minded free fighters em pasis quality designs ones have good competition potential good track record Balsa supplied Mike Taibis Superior Aircraft Balsa Continued page 94 luiIiIIIIIiIIIIII 4 IIIIIII 7 5/z TI/14 heLICOre12 cut6ootz CAt i t2ec01265 oer rotnl112c12 1457 io Jl At2t2L stevens 13z4 1977 -kand pitc4t Sliced ribs 4dsord er 40% tip Tis~e wrap Condenser paper Ught tissue no dope 38 Model Aviation quare Eagle P30 model UUIHI irom iiiage MOU6IS KIT UOOO KIT TIflU flier uave LII1SUUIJ sq i/B skeet tube 18 Lang wraipeci form FINE QUALITY KITS AND ACCESSORIES 4 GEE BEE RACER 1/32 NORTHROP GAMMA ___ 1/72- BOEING2471/72 MARTIN B lOB 1/72 CURTISS C-46 1/72 SCALE PLASTIC KITS FLYING MODEL ACCESSORIES SCALE PILOTS INE GUNS WHEELS & WHEEL PANTS ENGINE KITS & CYLINDERS SEND 5O FOR ILLUSTRATEDLLAS CATALOG DEPARTMENT MA 181 PAWNEE ST SAN MARCOS Ca 92069 powder utilized commercial painters achieve simulated metallic effects gave authentic distinctive finish maintains translucent quality tissue hallmark rubber models concession use opaque paint accent green trim nose Testors Pla flat green masked sprayed over balsa prepared three coats sanding sealer Cover wing stabilizer chrome yellow Japanese tissue grain run ning parallel spar Follow same procedure fuselage omitting silver course little wedgeshaped area wing center section trailing edge silver like fuselage vertical fin silver Cut registration letters black tis sue Apply clear dope after third coat clear dope Wing letters prefix G appears sta bilizer repeated underside sur faces legend under cabin windows WESTERN CANADA AIRWAYS LTD FORT CHURCHILL under cockpit 14-point News Gothic rub-on type available better art supply stores Fokker script logo ap pears fin nose made handlettering original Fokker style photographic reference photograph ing size turn converted rub-off transfer using INT new 3M product available graphic arts supply houses tail skid made same reed exhaust system slightly tapered cemented place painted dark brown Control horns between stretch ed 2-lb fishing leader has sprayed black made l/32M sheet plywood Surface horns painted dark gray movable surfaces like aile rons elevator rudder delineated 1/32 chart tape ruled black India ink same applies cabin door fuel tank outlines top surface wing Make individual cabin windows windshield 010 clear acetate secured Hot-Stuff equivalent Paint window sills vertical separations light gray cockpit including wing notch painted flat dark gray oil filler cap front cockpit fuel filler cap below cockpit left side fuselage made discarded marking pen caps cut proper length Cockpit coaming made leather thong cemented place yes Hot-Stuff pilot carved balsa given three coats sanding sealer Acrylic artists colors available tubes used apply cosmetic touches Moustache optional Goggles bent fine brass wire dipped clear dope make microfilm lenses Flying Check CG before testing 14 strands lubricated 3/16 Sig Contest rubber limp rubber about 28 long hangs out nose about 9 Break rubber carefully using method suggest about 350-400 turns tests enough provide suffi cient power observe balance turn characteristics Maximum turns have tried about 900 model ROGs real istically flies large circles ex tremely stable never causes appre hension Fokker Universal very satisfy ing model favorites Whether build compete just pleasure has plenty offer FF Duration/Mouser continued page 38 Maverick 260 winner US Free Flight Champs available complete kit including machine-cut parts stripwood $1450 Zingo simple good-performing FAI Power model designed especially free flighter wants sample challenging event also good Class B model built required weight FAI competition available partial kit including curved parts machine-cut high-quality balsa does include stripwood fuselage sides plans plans available Carstens Publications $2 price $1200 Mainstay RM product line Ultimate Dragmaster Nordic A-2 towline glider model intended has rather successful serious com petition since its birth 1971 A-2 goes together rather easily Prices various versions Complete kit $2250 fiberglass boom $2750 par tial kit no plans stripwood $1250 double kit including wood two models box set plans $4000 Since entire RM Enterprises occu pies corner spare bedroom might find kits stocked dealers shelves although stocked few dealers cater higher class discriminating competitionoriented clientele above prices postpaid US UPS used possible possible RM will kit Flying Burrito Brother perhaps Hines Blanchard HLG sometime after summer according chief design T Hutchin son Production manager Rosemary Hut chinson states latest RM proto type 3850-gram 512-cm item called Michael Patrick will definitely put production No Non-Cents Strikes Again Now really getting ridiculous Mike Van Gor der Junior won combined Jr/Sr/ Open Pennyplane event SWOFF Indoor Meet Cincinnati November also established new official records both Pennyplane Novice Pennyplane Junior Category III flight time 10086 records displace two pre viously held Marnie Meuser also made No Non-Cents makes 14 records No Non-Cents nine stand currently construction article appeared July 1977 issue product review product review product review Rear Exhaust Muffler Ingenious new muffler fit 29 35 40 rear-exhaust engines reduces noise 10 12 decibels little no power loss Blends proportional volume ex pansion chamber triple reflective tailcone baffles unit effective heat dissipation Machine-cast aluminum weighs 2 oz easily attached two screws Price $1195 announced price rear ex haust mufflers 15 19 80 engines Tatone Products 1209 Geneva Ave San Francisco CA 94112 product review product review product review 94 Model Aviation BMA Scholarship Contest Boeing Management Association has announced its ninth annual Scholarship Contest Open Contest held Boeing Space Center Kent Washington July 8 9 $2500 scholarships will awarded contestants 18 under Tro phies other prizes awarded events contest open members age 18 under may compete scholarships strictly free-flight contest free-fighter would have fly following CL events run ning scholarship Goodyear Pre cision Aerobatics Profile Navy Carrier Slow Combat FF events include Out door HLG Indoor HLG Easy Bee Towline Glider Unlimited Rubber Outdoor Peanut Scale Gas clear whether Towline Glider event A-l A-2 gliders has A-2 previous years addition FF CL events few Rocket RC events tossed events run ac cording AMA NAR rules addi tion Easy Bee models must have solid motor stick paper covering may have wire bracing AMA NAR MAAC licenses required ap plicable parents squirmy about sending only-begotten 14-year-old oIl own weekend BMA will provide home away home no cost required info write BMA PO Box 3707 Seattle WA 98124 attention Ted Caputo ORGN 4-1800 Mail Stop 17-26 Darryl Stevens Sets Five Records four day November 27 Record Trials Lake Elsinore Cal 15-year-old Darryl set following Junior Category outdoor free flight records Gas ROW Un limited Rubber ROW Ornithopter records 1020 753 respectively set using same model usual Cox 049-051 switcheroo model typical ones Darryl brother Gary have done well quite awhile 300 sq square-tip slabsided pylon ship Two floats used up front single rear suspen ded sub-fin Fuel 65% nitromethane 20% poly propylene oxide 15% oil seems Stevenses have kicked alcohol hab completely Unlimited Rubber ROW model scored 446 smallish Un limited 200 sq rolled-tube fuselage employed Twin fins supported pair foam floats rear single foam float used up front Ornithopter real ornithopter ornipropter unusual design no fixed wing area whole works flap 600 sq bi plane having two 6-by-36-in wings top bottom wings come together separate 75-degree included angle Motor run about minute no glide speak record threeflight score 244 best flight being 55 sec month earlier Orbiteers Annual Elsinore Darryl demolished Cat Junior Helicopter record three -flight total 1324 using Tom Finchs design Darryls score tops records ages categories except mark set 1960 Tom Finch him self Sympo 78 Reminder bear down might barely have time crank out paper 1978 NFFS Symposium Re port Completed reports should hands Editor April 1 have something hopper let Editor name Bob Dodds lives Box 436 Rancho Santa Fe CA 92067 Signs Times minutes December meeting Willamette Oregon Modelers Club moved Bob Stalick substitute P-30 plastic prop rubber power event Rocket Silents Please Meet 1978 Seconded passed recommen ded secretary correspond other Northwest clubs encourage include new event minutes annual meeting Northern California F/F Council motion Oakland Cloud Dus ters include P-30 event sched ule one-year provisional basis Secon ded passed unanimously again Southern California product review product review product review I Hold Trimit vertically & pierce material point fl 2 Hold Trimit 450 angle cot material CURVED MICROOIADE PROTECTS MOOEL~ & TADLETOP T-SOUARE COVER EAD RUNS XETS YOU OTHLY CARRY LONG EDGES TRIMIT P1 MODEL NO YOUR POCKETMORE WODO NICKS Trimit new tool cuts through Mono kote Solarfilm Coverite silk tissue clean razorbladebut lasts far longer multi-faceted blade has superior sharpness durability Underside blade curved material can cut leaving scars balsa delicate work surfaces cluding foam Housed special T-square shaped head runs smoothly along edges model br ruler blade produces straight cuts curved cut blade changes direction tearing material Comes plastic cover carried pocket Price $119 Coverite 2779 Philmont Ave Huntingdon Valley PA 19006 product review product review product review FOR THE PERFECT NOSE JOB [ NYLON BLOCKS For 5/32 wire Consists 2 Nylon Blocks 4 Bolts 4 Nuts 4 Lock Washers Y No 156Si 25 O PRODUCTS INCORPORATED 480 BONNER ROAD WAUCONDA ILL 60084 Free Flight Association includes major free flight clubs area proposes drop Rocket replace P-30 outfit runs biggie US Free Flight Championships annually Taft countrys remaining Cat egory site Incidentally Champs might become four-day affair year New events come go P-30 event clearly winner start Already has national mail-inthe-model meet event Dave Listrum Memorial unofficial events P-30 held two prestigious meets 1977 Nats USFF Champs Plans two Oldenkamp-designed P-30 April 1978 95 STEERABLE NOSE Quality shock nose gear absorbing duty wire 152153Complete 5/32 heavy Nylon Nose Gear Blocks 154Steering Arm No 152 $295 ii Sent IINo 153 5285 vsII StaghIl II No 154 5 75 NOSY Gea VJre 114STEERING ARM ASSEMBLY Nylon steering arm brass bushing I4 set screw fits 5/32 nose gear wire NEW SNAP-ON u. CONNECTOR INCLUDED No 155 $125 cat IE0 NEW/ MUFF-L-IT SERIES REGULAR XIUST Available B end C engines Six eight Db reduction noise engines Proportional volumne axpan sion chamber Large exhaust nozuis tar low beck pressure Littie no loss power 003010979$749 NO3772940$039 903034990$949 *.Ib ro B Mdc 040. No304000919$1085 No 30589 29.4$ ttl95 No304814980$1349 1/2A MUFFLER Fits alt COX 049 engines No 3009049$549 140 300t051$549 models have appeared mags Turkey appeared November 1977 issue MAN Plan No 301 $150 Hotbox July 1977 issue MB Plan No 7773 $100 mentioned fine P-30 kit manufactured Blue Ridge Models January issue Blue Ridge ModelS manufacturer Square Eagle P-30 Coupe de Ville kits sup pliers other free flight specialty items has new address PO Box 429 Skyland North Carolina 28776 hassle obtaining Jetex fuel has too much cope maybe wing stab Jetex model would serve P-30 model Maybe didnt plan way seems Wally Simmers designed pretty good P-30 back about 1940 called Gollywok information P-30 write Harry Steinmetz 4425 Samoset Ave San Diego CA 92117 Manhattan Mail-h Box up favorite Manhattan Formula indoor cabin model First Annual MIAMA Manhat tan Contest First prize expected hopefully trip two Miami including blimp rides deep sea fishing guest-of-honor appearance MIAMA annual banquet Models must arrive Miami no later April 14 1977 better hustle fur ther information write Dr John Martin 3227 Darwin St Miami FL 33133 Briefly rules Wing 20 max projected span 4 chord stab 8 X 3 max length including prop 20 weight less motor 4 gm mm fuselagetype models fuse must enclose box 2 X 2 X 4 windshield 2 sq side windows 1 sq two l-diam wheels covering tissue condenser paper wood prop Bob Meuser 4200 Gregory St Oak land CA 94619 country tremendous resurgence activity especially Peanut scale can traced efforts way bring ing plans kits articles scale meets attention French modelers Re spected loved Jacques sur vived wife Loly shared en thusiasm les peanuts Multi-Engine Madness interesting scale subjects world equipped two powerplants Two motors may double fun Now less adventurous type may search out CLT center-line thrust design such Bratu Cessna Push-pull Sometimes works Ive seen Tom Starks Dornier Pfiel rubber scaler traverse length El Toro Blimp Hangar Santa Ana California flying straight arrow Others including similar speed job have less successful Probably judicious sorting out prop suitability thrust adjustments fore aft would make fairly idea set-up available twins tn-motors fourengined planes however involve pos sibility assymetrical thrust side pulling harder other Years ago Irwin Ohlsson neat twin both ignition engines running off same set points both en gines turning same direction model tractable speed engine perfectly tune other Rubber-powered ships such P-38 seem work well though na celles installations too short store much rubber Controlling tendency side other pull other simply matter keeping track number winds stuffed side upping weak side few turns CO2 craze hit us few years ago reintroduction inexpensive light fairly reliable Brown Junior units first thing Walt Mooney did install pair rubber-type Canadair model running both off tank thought would both run out gas simultaneously negating hair raising prospect mill stopping dead other purred merrily away make long story short problem getting two engines run same speed incredibly difficult always wanting freeze down little throw whole thrust pattern out whack Lets get hassle trying synchronize two glow engines Jack Mc Cracken worked out sliding motormount set up Curtiss Condor two Cox Pee Wees Beautifully machined rig held forward position en gine thrust quit spring pulled back simulutaneously chopped other engine Great idea youre master machinist can work out bugs Despite weight problem Im opinion electric way go multi Flipping switch certainly easier flipping props Sync no big deal unless get some Hot Stuff mo tor bearing did Airspeed rpm being being pretty repeatable motor flight after flight com mon battery source sag down gether keeping thrust pattern con stant youre likely get problem lack experience electric may get hot water Wiring motors series parallel makes difference Dont go motor motor wiring run motors power straight out battery switch power Also plane needs kept light rubber ship want run contrarotating props just reverse leads get reverse-pitch prop later electric December 1977 Flightmasters Jumbo-Peanut Scale meet number entrants prompted addition multi-engine class let imagina tions run free Some unusual 96 Model Aviation FF Sport Scale/Warner continued page 39 writing estaera mention read about MA
Edition: Model Aviation - 1978/04
Page Numbers: 36, 37, 38, 94, 95, 96
Duration 0 Bob Meuser jh LIL BOOGER Although has en tered handful contests Glenn Schneiders Lil Booger has already stacked up rather impressive track record first second place six eight meets coot mike 6 StAfl 5011 1flOOtZ CAt1 #zecizb Coot 4 s 1 i ii zz-g 2409 _I .-Coot t 4_______ 11111I Wing5j Lb aut udder o b-grain StaI3 lb oo5 b- grain Fuio lbA-grain 16 A____ I-4 has entered including first Fresno Annual second 1977 Nats Category II Open /2A Gas record Although model exceptionally I 3 8 41 A~JL CC cit 40% chord TE bent down r a5semL1lj light 825 oz careful design con struction has resulted structure has strength rigidity greater much heavier models dont get kind strength-weight ratio making rudder pylon out solid sheet stock example fuselage basically tapered 1/16sheet balsa tube form made wrapping triangular sheets Silkspan 3/4 aluminum tube zero build up end 7/8 diameter other similar method used Phil Klintworth make form Nordic glider tailbooms See column April 1971 American Aircraft Modeler first 7 tapered fuselage designed give maximum tail mo ment arms using 36 sheet hence overhanging fin Formers inserted through seam secured cyano acrylate adhesive seam itself sealed cyanoacrylate dethermal izer cord runs through Nylon tubing sold NFFS Supplies runs through fuselage formers strung tubing like beads before inserted tube engine mount made front section Competition Models tank Fuel tank pen bladder slung between landing skids main structural members built-up pylon plywood formers glued fuselage formers before inserted fuselage tube flat region fuselage py lon thats Seelig minicombo 1 timer installed area under front stab mount reinforced layer 1/64 plywood wrapped around tube entire boom wrapped layer light O6-oz fiberglass tissue ap plied over rudder built up us ing 1/32 sheet over symmetrical ribs wing stab construction some what unusual spars consisting cap strips joined full-length webs joined straight diagonal ribs form torsionally rigid structure leading trailing edge sections attached spars Trailing edges built up entire model covered Esaki Plyspan about Glenn rather enthu siastic .. ne could ever hope Its lighter stronger other coverings takes less dope nearly strong wet dry Although seems trend ward auto-tails AMA-Gas categor ies especially larger ones Glenns does use says model makes good transition glide would add weight tail Stoy Boys Toy Revisited Predictably Stan Stoys Cat Indoor HLG record kicked off bit fuss See December column Stan violated no rule flew un der conditions found us would have done Except after test flight us would have 36 Model Aviation judged extremely turbulent conditions totally unsuitable flying gone home broken existing record second two regardless con ditions would have no fuss has clearly demonstrated potential under normal conditions sev eral years event progress meas ured tenths second doesnt break existing record half minute causing bit fuss Protests submitted protestors made strong point fact ar tificially created updrafts equated Stoys performance intentionally set ting up devices create artificial updrafts Contest Board Chairman equated Stoys performance flying NASAs vertical wind tunnels fact equal updrafts downdrafts ignored fact contestant no part selecting site designing operating air conditioning system Bear mind rulebook does require records set under normal con ditions nor does have thing say re garding either artificial natural up drafts downdrafts turbulence Three months after record perfor mance CB Chairman directed AMA Headquarters withdraw Stoys record rulebook specifies person flights protested shall notified protests invited submit statement before protest acted upon Stoy given rights CB Chairmans action protes ted accordance historical precedent written rules matter turned over FF Contest Board vote Eight eleven board members voted six eight voted knn Sckneider NationaL record AMA Catff IACias Open Oct 7 Second pLczce 197 Nats cunte oo 48 C473% Viaia Prop Cox /i3 cut 588 1sq____ C 13 II accept Stoys record Meanwhile another contest popped up East St Louis Armory Stoy en75515 S Wciqltts 02 425Total Areas 6q *U tulse4 Wine3255 StabBss Airfoils 25 Stab8% W149 88ZOrbttr 475Enqine kirn/Coxo4q Pen bLactder April1978 37 Ms Phyllis Warner holds Bills rubber-powered Madame Elijah Gypsy Moth winner 1976 Flightmasters ROW meet Model quickly converts landplane version real would fly well CO2 Telco Shark Dave Linstrum holding three Driftwoulds Grasshopper HI gliders riIis webs dfaqoeUlLS tered beat mark existed pre vious protested margin 08 sec two-flight total 796 sec detectable turbulence degree would consider abnormal followed two additional tempts both exceeded old re cord 788 sec During two latter attempts no air motion anyone could detect evidence full potential model has yet reached new model previously flown competition used protested flights model chucked height about 30 ft Sin less Cat limit although test flights hit 32 ft-7 ceiling Weather conditions somewhat miser able outside seldom makes good air inside Coots break tradition sev eral important aspects tiny little things Coot 4 rode tur bulence two-flight total 1088 sec has flat span 126 Coot 5 new hair larger having 145-in span weights like models would build 20-ft ceil tng225 240 grams respectively stab area about third normal size 75% flexible trailing edge perhaps new idea has never used successfully CG well forward 40% root chord moved farther forward flights extreme turbulence Stan Stoy expects out competi tion about year going after Masters degree Aeroelasticity watch out Meanwhile well keep eyes Stans brother Mike Dale Frost both have turning scores around 78 sec recently Coot can execute dynamic soaring extreme turbulence models would fall flat empennages big technological breakthrough have ever seen model aviation has predicted theoretically aircraft just right sort flying turbulent air just right sort could advantage ously extract energy air passive aircraft control mechanisms sort can quite unexpected Coot can also repeatibly execute record performances under nor mal conditions icing cake perhaps salt wound depending point view RM Enterprizes Kits RMs president general manager janitor Tom Hut chinson announces two new kits have added RMs already extensive line bringing total up three beginners instead competition-minded free fighters em pasis quality designs ones have good competition potential good track record Balsa supplied Mike Taibis Superior Aircraft Balsa Continued page 94 luiIiIIIIIiIIIIII 4 IIIIIII 7 5/z TI/14 heLICOre12 cut6ootz CAt i t2ec01265 oer rotnl112c12 1457 io Jl At2t2L stevens 13z4 1977 -kand pitc4t Sliced ribs 4dsord er 40% tip Tis~e wrap Condenser paper Ught tissue no dope 38 Model Aviation quare Eagle P30 model UUIHI irom iiiage MOU6IS KIT UOOO KIT TIflU flier uave LII1SUUIJ sq i/B skeet tube 18 Lang wraipeci form FINE QUALITY KITS AND ACCESSORIES 4 GEE BEE RACER 1/32 NORTHROP GAMMA ___ 1/72- BOEING2471/72 MARTIN B lOB 1/72 CURTISS C-46 1/72 SCALE PLASTIC KITS FLYING MODEL ACCESSORIES SCALE PILOTS INE GUNS WHEELS & WHEEL PANTS ENGINE KITS & CYLINDERS SEND 5O FOR ILLUSTRATEDLLAS CATALOG DEPARTMENT MA 181 PAWNEE ST SAN MARCOS Ca 92069 powder utilized commercial painters achieve simulated metallic effects gave authentic distinctive finish maintains translucent quality tissue hallmark rubber models concession use opaque paint accent green trim nose Testors Pla flat green masked sprayed over balsa prepared three coats sanding sealer Cover wing stabilizer chrome yellow Japanese tissue grain run ning parallel spar Follow same procedure fuselage omitting silver course little wedgeshaped area wing center section trailing edge silver like fuselage vertical fin silver Cut registration letters black tis sue Apply clear dope after third coat clear dope Wing letters prefix G appears sta bilizer repeated underside sur faces legend under cabin windows WESTERN CANADA AIRWAYS LTD FORT CHURCHILL under cockpit 14-point News Gothic rub-on type available better art supply stores Fokker script logo ap pears fin nose made handlettering original Fokker style photographic reference photograph ing size turn converted rub-off transfer using INT new 3M product available graphic arts supply houses tail skid made same reed exhaust system slightly tapered cemented place painted dark brown Control horns between stretch ed 2-lb fishing leader has sprayed black made l/32M sheet plywood Surface horns painted dark gray movable surfaces like aile rons elevator rudder delineated 1/32 chart tape ruled black India ink same applies cabin door fuel tank outlines top surface wing Make individual cabin windows windshield 010 clear acetate secured Hot-Stuff equivalent Paint window sills vertical separations light gray cockpit including wing notch painted flat dark gray oil filler cap front cockpit fuel filler cap below cockpit left side fuselage made discarded marking pen caps cut proper length Cockpit coaming made leather thong cemented place yes Hot-Stuff pilot carved balsa given three coats sanding sealer Acrylic artists colors available tubes used apply cosmetic touches Moustache optional Goggles bent fine brass wire dipped clear dope make microfilm lenses Flying Check CG before testing 14 strands lubricated 3/16 Sig Contest rubber limp rubber about 28 long hangs out nose about 9 Break rubber carefully using method suggest about 350-400 turns tests enough provide suffi cient power observe balance turn characteristics Maximum turns have tried about 900 model ROGs real istically flies large circles ex tremely stable never causes appre hension Fokker Universal very satisfy ing model favorites Whether build compete just pleasure has plenty offer FF Duration/Mouser continued page 38 Maverick 260 winner US Free Flight Champs available complete kit including machine-cut parts stripwood $1450 Zingo simple good-performing FAI Power model designed especially free flighter wants sample challenging event also good Class B model built required weight FAI competition available partial kit including curved parts machine-cut high-quality balsa does include stripwood fuselage sides plans plans available Carstens Publications $2 price $1200 Mainstay RM product line Ultimate Dragmaster Nordic A-2 towline glider model intended has rather successful serious com petition since its birth 1971 A-2 goes together rather easily Prices various versions Complete kit $2250 fiberglass boom $2750 par tial kit no plans stripwood $1250 double kit including wood two models box set plans $4000 Since entire RM Enterprises occu pies corner spare bedroom might find kits stocked dealers shelves although stocked few dealers cater higher class discriminating competitionoriented clientele above prices postpaid US UPS used possible possible RM will kit Flying Burrito Brother perhaps Hines Blanchard HLG sometime after summer according chief design T Hutchin son Production manager Rosemary Hut chinson states latest RM proto type 3850-gram 512-cm item called Michael Patrick will definitely put production No Non-Cents Strikes Again Now really getting ridiculous Mike Van Gor der Junior won combined Jr/Sr/ Open Pennyplane event SWOFF Indoor Meet Cincinnati November also established new official records both Pennyplane Novice Pennyplane Junior Category III flight time 10086 records displace two pre viously held Marnie Meuser also made No Non-Cents makes 14 records No Non-Cents nine stand currently construction article appeared July 1977 issue product review product review product review Rear Exhaust Muffler Ingenious new muffler fit 29 35 40 rear-exhaust engines reduces noise 10 12 decibels little no power loss Blends proportional volume ex pansion chamber triple reflective tailcone baffles unit effective heat dissipation Machine-cast aluminum weighs 2 oz easily attached two screws Price $1195 announced price rear ex haust mufflers 15 19 80 engines Tatone Products 1209 Geneva Ave San Francisco CA 94112 product review product review product review 94 Model Aviation BMA Scholarship Contest Boeing Management Association has announced its ninth annual Scholarship Contest Open Contest held Boeing Space Center Kent Washington July 8 9 $2500 scholarships will awarded contestants 18 under Tro phies other prizes awarded events contest open members age 18 under may compete scholarships strictly free-flight contest free-fighter would have fly following CL events run ning scholarship Goodyear Pre cision Aerobatics Profile Navy Carrier Slow Combat FF events include Out door HLG Indoor HLG Easy Bee Towline Glider Unlimited Rubber Outdoor Peanut Scale Gas clear whether Towline Glider event A-l A-2 gliders has A-2 previous years addition FF CL events few Rocket RC events tossed events run ac cording AMA NAR rules addi tion Easy Bee models must have solid motor stick paper covering may have wire bracing AMA NAR MAAC licenses required ap plicable parents squirmy about sending only-begotten 14-year-old oIl own weekend BMA will provide home away home no cost required info write BMA PO Box 3707 Seattle WA 98124 attention Ted Caputo ORGN 4-1800 Mail Stop 17-26 Darryl Stevens Sets Five Records four day November 27 Record Trials Lake Elsinore Cal 15-year-old Darryl set following Junior Category outdoor free flight records Gas ROW Un limited Rubber ROW Ornithopter records 1020 753 respectively set using same model usual Cox 049-051 switcheroo model typical ones Darryl brother Gary have done well quite awhile 300 sq square-tip slabsided pylon ship Two floats used up front single rear suspen ded sub-fin Fuel 65% nitromethane 20% poly propylene oxide 15% oil seems Stevenses have kicked alcohol hab completely Unlimited Rubber ROW model scored 446 smallish Un limited 200 sq rolled-tube fuselage employed Twin fins supported pair foam floats rear single foam float used up front Ornithopter real ornithopter ornipropter unusual design no fixed wing area whole works flap 600 sq bi plane having two 6-by-36-in wings top bottom wings come together separate 75-degree included angle Motor run about minute no glide speak record threeflight score 244 best flight being 55 sec month earlier Orbiteers Annual Elsinore Darryl demolished Cat Junior Helicopter record three -flight total 1324 using Tom Finchs design Darryls score tops records ages categories except mark set 1960 Tom Finch him self Sympo 78 Reminder bear down might barely have time crank out paper 1978 NFFS Symposium Re port Completed reports should hands Editor April 1 have something hopper let Editor name Bob Dodds lives Box 436 Rancho Santa Fe CA 92067 Signs Times minutes December meeting Willamette Oregon Modelers Club moved Bob Stalick substitute P-30 plastic prop rubber power event Rocket Silents Please Meet 1978 Seconded passed recommen ded secretary correspond other Northwest clubs encourage include new event minutes annual meeting Northern California F/F Council motion Oakland Cloud Dus ters include P-30 event sched ule one-year provisional basis Secon ded passed unanimously again Southern California product review product review product review I Hold Trimit vertically & pierce material point fl 2 Hold Trimit 450 angle cot material CURVED MICROOIADE PROTECTS MOOEL~ & TADLETOP T-SOUARE COVER EAD RUNS XETS YOU OTHLY CARRY LONG EDGES TRIMIT P1 MODEL NO YOUR POCKETMORE WODO NICKS Trimit new tool cuts through Mono kote Solarfilm Coverite silk tissue clean razorbladebut lasts far longer multi-faceted blade has superior sharpness durability Underside blade curved material can cut leaving scars balsa delicate work surfaces cluding foam Housed special T-square shaped head runs smoothly along edges model br ruler blade produces straight cuts curved cut blade changes direction tearing material Comes plastic cover carried pocket Price $119 Coverite 2779 Philmont Ave Huntingdon Valley PA 19006 product review product review product review FOR THE PERFECT NOSE JOB [ NYLON BLOCKS For 5/32 wire Consists 2 Nylon Blocks 4 Bolts 4 Nuts 4 Lock Washers Y No 156Si 25 O PRODUCTS INCORPORATED 480 BONNER ROAD WAUCONDA ILL 60084 Free Flight Association includes major free flight clubs area proposes drop Rocket replace P-30 outfit runs biggie US Free Flight Championships annually Taft countrys remaining Cat egory site Incidentally Champs might become four-day affair year New events come go P-30 event clearly winner start Already has national mail-inthe-model meet event Dave Listrum Memorial unofficial events P-30 held two prestigious meets 1977 Nats USFF Champs Plans two Oldenkamp-designed P-30 April 1978 95 STEERABLE NOSE Quality shock nose gear absorbing duty wire 152153Complete 5/32 heavy Nylon Nose Gear Blocks 154Steering Arm No 152 $295 ii Sent IINo 153 5285 vsII StaghIl II No 154 5 75 NOSY Gea VJre 114STEERING ARM ASSEMBLY Nylon steering arm brass bushing I4 set screw fits 5/32 nose gear wire NEW SNAP-ON u. CONNECTOR INCLUDED No 155 $125 cat IE0 NEW/ MUFF-L-IT SERIES REGULAR XIUST Available B end C engines Six eight Db reduction noise engines Proportional volumne axpan sion chamber Large exhaust nozuis tar low beck pressure Littie no loss power 003010979$749 NO3772940$039 903034990$949 *.Ib ro B Mdc 040. No304000919$1085 No 30589 29.4$ ttl95 No304814980$1349 1/2A MUFFLER Fits alt COX 049 engines No 3009049$549 140 300t051$549 models have appeared mags Turkey appeared November 1977 issue MAN Plan No 301 $150 Hotbox July 1977 issue MB Plan No 7773 $100 mentioned fine P-30 kit manufactured Blue Ridge Models January issue Blue Ridge ModelS manufacturer Square Eagle P-30 Coupe de Ville kits sup pliers other free flight specialty items has new address PO Box 429 Skyland North Carolina 28776 hassle obtaining Jetex fuel has too much cope maybe wing stab Jetex model would serve P-30 model Maybe didnt plan way seems Wally Simmers designed pretty good P-30 back about 1940 called Gollywok information P-30 write Harry Steinmetz 4425 Samoset Ave San Diego CA 92117 Manhattan Mail-h Box up favorite Manhattan Formula indoor cabin model First Annual MIAMA Manhat tan Contest First prize expected hopefully trip two Miami including blimp rides deep sea fishing guest-of-honor appearance MIAMA annual banquet Models must arrive Miami no later April 14 1977 better hustle fur ther information write Dr John Martin 3227 Darwin St Miami FL 33133 Briefly rules Wing 20 max projected span 4 chord stab 8 X 3 max length including prop 20 weight less motor 4 gm mm fuselagetype models fuse must enclose box 2 X 2 X 4 windshield 2 sq side windows 1 sq two l-diam wheels covering tissue condenser paper wood prop Bob Meuser 4200 Gregory St Oak land CA 94619 country tremendous resurgence activity especially Peanut scale can traced efforts way bring ing plans kits articles scale meets attention French modelers Re spected loved Jacques sur vived wife Loly shared en thusiasm les peanuts Multi-Engine Madness interesting scale subjects world equipped two powerplants Two motors may double fun Now less adventurous type may search out CLT center-line thrust design such Bratu Cessna Push-pull Sometimes works Ive seen Tom Starks Dornier Pfiel rubber scaler traverse length El Toro Blimp Hangar Santa Ana California flying straight arrow Others including similar speed job have less successful Probably judicious sorting out prop suitability thrust adjustments fore aft would make fairly idea set-up available twins tn-motors fourengined planes however involve pos sibility assymetrical thrust side pulling harder other Years ago Irwin Ohlsson neat twin both ignition engines running off same set points both en gines turning same direction model tractable speed engine perfectly tune other Rubber-powered ships such P-38 seem work well though na celles installations too short store much rubber Controlling tendency side other pull other simply matter keeping track number winds stuffed side upping weak side few turns CO2 craze hit us few years ago reintroduction inexpensive light fairly reliable Brown Junior units first thing Walt Mooney did install pair rubber-type Canadair model running both off tank thought would both run out gas simultaneously negating hair raising prospect mill stopping dead other purred merrily away make long story short problem getting two engines run same speed incredibly difficult always wanting freeze down little throw whole thrust pattern out whack Lets get hassle trying synchronize two glow engines Jack Mc Cracken worked out sliding motormount set up Curtiss Condor two Cox Pee Wees Beautifully machined rig held forward position en gine thrust quit spring pulled back simulutaneously chopped other engine Great idea youre master machinist can work out bugs Despite weight problem Im opinion electric way go multi Flipping switch certainly easier flipping props Sync no big deal unless get some Hot Stuff mo tor bearing did Airspeed rpm being being pretty repeatable motor flight after flight com mon battery source sag down gether keeping thrust pattern con stant youre likely get problem lack experience electric may get hot water Wiring motors series parallel makes difference Dont go motor motor wiring run motors power straight out battery switch power Also plane needs kept light rubber ship want run contrarotating props just reverse leads get reverse-pitch prop later electric December 1977 Flightmasters Jumbo-Peanut Scale meet number entrants prompted addition multi-engine class let imagina tions run free Some unusual 96 Model Aviation FF Sport Scale/Warner continued page 39 writing estaera mention read about MA