Free Flight Duration Bob Meuser WHAT should weigh building new model nice know weight coming along compared other models comparable size Unfortu nately plans dont list weights youre designing own youre own Roger Schroeder 4111 West 98th St Shawnee Mission KS 66207 has compiling data airframe weights would like have data has able get weighing own models some friends Basically needs Model name class whether Gas Glider Rubberpower whatever b wing area pro jected c weight rubber rubber-powered d rubber weight rubber-powered Further quite essential would weight break down wing stab fuselage assembly etc specific does fuselage weight include rudder op sembly rubber-powered gine gas-engine-powered DT engine-run timers included Also would help would give judgement whether model its components average weight size moderately over under average weight grossly information gets better job hell able Ill present resultsprobably form graphsas soon get Roger will help wont Write Rog er Nats unofficial Free Flight events cou ple dozen unofficial events will held Reno Nats August un der NFFS sponsorship Well try give brief rundown presenting enough rules allow build models omit ting some details flying scoring procedures Rubber-power Autogiro Omithopter Helicopter events will run according AMA rules Indoor events will held August 6 outdoor August 8 Other AMA-rule events include ROW Gas Rubber probably August 9 Cargo August 7 Rubber-power Speed August 8 Team HL Glider August 9 Team Mulvihill August 11 Rules other events follow Dick Korda Open Rubber Rubber-power no size restriction flight 630 August 9 Unlimited Rubber-Powered Biplane No restrictions size weight Smaller wing must have 50% area larger wing ROG required August 7 Embryo Endurance Wing areas Monoplanes 50 sq max Biplanes 70 sq total max 45 sq max largest wing Stab area 50% wing area max Fuselage enclose space 11/4 x 1 inches Wing tail built-up covered both sides tissue No folding props Rubber power ROG tabletop three-point rest Wheels 3/4-in diameter mm Bonuses raised cabin open cockpit windscreen headrest 3-dimensional exhaust pipes 3-D wheel pants August 7 7-11 Rubber Distance Single rubber motor having free length 11 max prop two fixed blades 7-in diameter max direct drive Launch method optional Scored max straight-line distance No score model points back toward takeoff point August 8 Sig Mini-Maxer Model built kit same-size wood may substituted August 9 /2A Payload No span area limit En gine displacement greater 025 050 cu max Dummyhead 3/4-in cube body 3/4 X 2/4-in high x 1-in wide 4 oz mm Clear windows /I6 sq ahead side head Total weight cluding dummy 9 oz mm 15-second en gine run Category 1 2 10 sec Category 3 Other flight rules same AMA Payload August 7 Nostalgia events A A-B C-D will flown NFFS rules Dates unknown John Pond will conduct usual array Old-Timer events August 10 havent heard anything about Indoor Peanut Unlimited Rubber-power Speed events past closed course around poles 20 ft apart Orbiteers San Diego will host unofficial Forty-Niner event Nats warned rules bit different presented before column elsewhere Briefly Max span length 49 Mm fuselage cross section 49 sq cm 765 sq Engine 049 reed-valve direct drive no gears Mm weight 349 grams 123 oz No variable-geometry surfaces ie no auto70 Model Aviation Forty-Niner-class models may use engine-run timers Walt Mooney checking fuel-time remaIning before launching original-design ship San Diego Orbiteers contest Beautiful model has MonoKoted flying surfaces Pactra Formula U finish elsewhere fiberglass cowl wheel pants twin-fins Orbiteers will sponsor event Nats John Oldenkamp photo Impeccably-constructed Bunch Cadet Major Sherman Gillespie kit sold $150 1935 ShIP great flier won meets San Jose CA area mid-Thirties anything Fuel 15% nitro furnished meet Engine-mn timing fuel-volume control onlyno clockwork timers Eye droppers open fuel tanks stuffed glass beads whatever calibrated lengths fuel tubing etc OK Main landing gear have two wheels 25% time-bonus ROG Max 120 seconds seven attempts best three count Flight time under 49 seconds unofficial Fractions seconds dropped Engine run taken greater 15 sec actual run Score flight duration divided engine run multiplied 125 ROG Keeping up changes rules interesting event getting painbut far better stick rules less best far better change whenever change will help early stages life event rather let bad inadequate rules solidify time point needed changes become extremely difficult sell however great need date August 11 info contact John Oldenkamp 3331 Adams Ave San Diego CA 92116 Also mark Thursday August 9 calendar NFFS Symposium awards presentation World-record kite aint RC aint CL looks like Free Flight model its gotta Free Right OK model shown sketch made record flight 9 hr 13 mm 1979 fol lowed up 39 hr 53 mm 1981 Both flights made Seattle Kingdome design appears based series record-breakers built Bill Bigge years ago least principle same hard tow effective CG extension towline model flies conventional wing-first mode towline slacked off gravity force acting effective CG becomes actual CG model flies backwards canard Bigge used rub ber strip rear part bridle order get automatic decrease angle attack increasing tow speed wing- tail-mount regions covered condenser paper act fins Getting areas just right provide directional stability during flight both directions could little tricky maybe designer just lucked out Im bit uncertain actually flew model could have Pinky whoever C Breweror likely team Quite project record likely broken quite spell Third US Indoor Championships Five solid days Indoor flying June 18-22 Michigan State Fair Coliseum Detroit official menu Champs takes place first three days includes AMA events except Helicopter Autogiro Ornithopter included plus Manhattan Cabin Bostonian Peanut Speed Un limited Speed latter two events entail two timed laps around two pylons 20 ft 7 4 2 /3/ Pres/ru* 7 cot 7der7 ser loper Paqona/ rits hdsekwqe t ~b w ecoo k/7 PINKYS FLOATER des/q4ed C i5rewer nil tJLLiJL 4 4 7 39Ar 53 rn/rI 4V/74 9- /ai/r,ounbs 4covered / Axk ~it/r t0Obcnbaoop- a,d hottom 4 %//k dbrd its kite. no its glider Whatever its unique can tiy ong iong time indoors apart Both Peanut Scale Rule 51 AMA Scale included Entry fees pretty steep NFFS-sponsored affair costs $500 day use hall Ceiling height 66 ft Category III addition Champs June 20-22 will Peanut Grand Prix NIMAS Record Trials Indoor events put Doc Martin MIAMA club information about send large SASE Dr J Martin 2180 Tigertail Ave Miami FL 33133 information Champs write J Italiano 1655 Revere Dr Brookfield WI 53005 Ring-wing-things revisited August 1982 column described spin-stabilized ring-wing toy made half beer can Shortly afterward received some clips Robert Liefeld New Mexico State University describing similar things folded up paper plastic made Japan along some notes regarding theory mechanics such gyrostabilized devices June 1983 column showed Lock heeds design concept ring-wing pas senger cargo aircraft October 1983 issue showed photo Free Flight ring-wing model built Bud Overn recently received letter Thomas Harr develping ring-wing model plane part Senior project Califor nia Polytechnic State University would extremely interested learning about anything anyone else has done ringwing flying models Write him 1400 Stafford St No A-4 San Luis Obispo CA 93401 Leave Scale Staffel always inter esting see what club does its spe cial events recent models built new Peck profile kits Senior-Open Bill Hannan won flight 3159 sec flying Stinson Polish markingswouldnt know hed something like thatfollowed Walt Continued page 168 July 1984 71 FF Indoor/Tenny Continued page 165 records held local fliers Just show Jesse manages some own flying another photos shows him Easy B model activity sponsored Ft Worth Plainsmen older FF clubs Southwest activity has grown enough support fairly healthy rental fee site addition Jesse considers group NIMAS Chapter No 1 National Indoor Model Airplane Society Another photo shows isnt just bunch grownupsJohn Chancey dad Don Chancey winding Johns No-Cal Ceveands Pa s MANY NEWI FOR R/C BUFFSR Worlds Largest Gas Plans Assortm INTERNATIONALLY FAMOUS CD QUALITY * AAASTEB MODELS PLANS 54 SDDenroicelle 31 $48-7t Consol Cat PRY5A $42 72 Cor 02U14 L&S $39 ~W 104 Con Cat PBYSA $56 62 Howard Race Ike $40 .. 96 WrisbtNonyRace $48 77 Roams 6170 Fort $35 . 52 W-Wnrsl2l Red L 836 103 Roe 8-170 En $55 77W-We,lSi Rod L $48 60 Doers 046A Ohs $32 84 Pobber 07 FIr $39 108 Sikor 5-38 Anrpb $49 60 Howard Pete 8oce $32 60 toe 100 Sport $36 70 Bayles Gee-Boa $32 90 Roe 100 Sport 60 Doporwarion S6R 034 90 StinsALoro Wins $56avSoperwarina S6R $32 tO Martin 74 t4M-1 $39 62 Cort 9owk P-6E $42 758-Poe 0400 Snnrb $ 94 CorHwb P6E Pt $54 10$ HPge 0400 Row $49 62 Lockheed Vega $24 65 toChina Clipper $ 74 Doolittles GB 11 $42 97 toChino Clipper $ 95 Mnnaoocpe Sport $36 60 West Whirlwind $24 $0 Hall Spr Roildos $43- 60 Ryan t4anion 7 Aeranco C3 Spt $35 68 BRononon VTol $39 61 l3aoslas 030 Ohs $32 77 Loscowbe Sedan $ 132 ISnoslas 038 Ok $49 73 N Mitch Bowb $49 94 Pose Cort Rarer $45 65 toMarnodor 826 $49 71 Mortin 810 Bowk $29 81 OH Mosqoito Rb $ 78 Torners WW Ran $351 lOt OH f4osqoBowb $ 64 Cor Goslrk 91 1C3 $39 98 Stoar PTl7Kaydet $56e rGoslb P11C2 $54r 99NRlb Widow P61 $69 66 DeHan Cornat Rae $24 71 Dons DC3 Iron $ 62 HowMrMolligan $35 95 Dons OC3 Iron $55 4 Honctor Mollison 045 06 Hawks Teonco 13 $22 63 Boeing P-26A Ptr $36 lOt Cnr0201/4 L&S $49 84 Boeing P-26A FIr $48 60 Dootlos M-2 Mail $24 69 Wona C-6 Cabin $36 68 Bristol Bolidos Ptr $30 64 Baocb C17B Stos $30 59 BrownRacetosLA $54 96Beaob C17B Stas $49 107 Grow Bearet POP $54e 55 bob 11 Eleetra $30 73 Tranel Air 6000 $24 82 nob 11 Elentro $40 107 Mnrt MB-i Boo $44 2 Stinena T/W SB7 $16 91 Lindberss NX21 1 $39 81 Stinson T/W SR7 $24 108 PairobPTl9 Sr 122 Stinson T/W S87 $38 90 Waco Topar-Wins $39 istol Ptr P2-B $20 75 Wastld Lysandar $22 B Bristol PS- P2-B $22 100 Westld Lysonder $49 - lit Briatnl Pt P2-B $45 57 Ford Trintr 4-AT $38 4 T-L Ensco Spec $45 76 Per4 Trirntr 4-AT $45 3 Obyranbet XPSP-l $20 lid Pnrd Trintr 4-AT $59 6 Car Warbb P40 $24 84 Ben-Joyce OPJ-2 $56 B Look Lighteg P38 $38 93 Loening C2Anrpb $69 6 Rep Sna-Boe An $24 58 GronrJ2P Dock $39 4 RapSea-B Anrpb $39 7t GronJ2-P Dock $56 106 Pipnr J-3 Cob $35 59 Gotba G-lV Boor $23 B Lack Hodson Bnrb $38 117 Gotbo 0-lY ton $39 63 Grow P6P Hellcat $28 68 Bron-Winble Bird $45 55 Heath Roby Boll $24 54 Cort Swift XP934 $28 Sold Tkrc Dealers Prices sokiect cha ge once resre toescorea sclnenee oraL steen rL 1700 Others 6- 12 Pass Inc1 SOc Up Add 10% orders ebippins & ins. etr USA Con & Mao Elsewbere its 15% 125% o Piotoriol cotnIns $200 linclodes Price List Price sartion alone $100 air foreign add $100 LEVELAND MODEL & SUPPLY Co amass t octoeaonroaoa-s sast rensa--sttsce late ______________ t0307B DOIT AVI CLBVRLANO OHIO 44102 Scale model John has twice set Junior Indoor HLG record Boys Ranch moving other kinds Indoor flying also Trophies anyone Attractive trophies plaques fairly inexpensiveif can generate artwork necessary make tractive plates according Don Chancey plaque shown last photo has stained-wood base black-and-silver plate plate produced using ScotchCal 3-M cat No 8005 printed negative positive artwork depend ing whether want light dark lines printing done photosensitive mate rial exposed using ultraviolet light developed coating exposed mate rial single-step developer followed water rinse approximate cost 3 x 6 plate $1 plate shown aluminum-based sensitized plastic available also Both kinds material available several colors Suitable artwork plates can include photos have half-toned using 65-line screen Bud Tenny PO Box 545 Richardson lx 75080 FF Duration/Meuser Continued Daoe 71 Mooneys Citabria Len Piddles Zlin best flight far Terry Allens winning flight Junior 4538 seconds posted Cessna wouldnt have guessed models would fly long So appears four Pecks profiles good fliers score depends whos doing flying what hes flying So whats new Ken Johnson fink Making stay up half night say sound asleep Joanne roars tell going some thing about model Ornithopters telly knew Johnson since the country builds Ornithop ters pluralhe has built something like 120 So stagger out after disgusting thing about new suitless swim straps ladies disgusting because lasted about five minutes up pops Ken birds interesting model biplane upper lower wings flapping out phase flew very smoothly did fair job presen tation could have done lot better same length time about five min utes guess Id liked have seen some close-ups mechanisms slow motion some Kens exotic birdshe has flaps everything including tail wasted lost time showing thopters crashing Ken tried fly outdoors wind Still well worth watching program Eye Hollywood NFFS awards 1984 NFFS National Free Flight Society has awarded annually past 15 years 10 Model Year awards has recently insti tuted Free flight Hall Fame Awards NFFS has also reinstated its Distinguished Service Awards have dormant decade have no information give yet dope other two follows Model Year Awards 1984 International Classes FlA Nordic Walt Ghio Bandit FlB Wakefield An selmo Zeri Rara Avis FlC Power Sil vano Lustrati 1-520-A AMA Power Small Ron St Jean structureless foam composite SFC concept Large Sal Taibi Starduster 900 Hand-Launched Glider Martyn Cow ley Goldrush Indoor Bernard Hunt Tan dem Two EZB Unlimited Rubber Mik Mikkelson Unlimiter Scale Bill Noonan Armstrong-Whitworth Ape Special George Xenakis Lothar D6ring recording thermal-detectors Free Flight Hall Fame awards 1984 have awarded Ed Lidgard Creater flier championship-quality models Paul PlecanA prolific designer flying models special attention scale details Ken WillardCreated model de signs significance early author creative articles awards will presented recip ients Reno Nats NFFS Sym posium will held Thursday August 9 730 pm Reno Coliseum Some Model Year awardees will have models display will 168 Model Aviation HALF SHOT Heed held rechargeable glowhead energizer hA engines Small etoud carry year shirt peckot Makes dry cell batteries power lesing wires thiag 01 past Can charged upto Stimes Uses DUBRO YeA KWIK-KLIP ter positive coneectofe glowbead $0 day uncofsditlOaal guarantee pIes limited warrasty op year Complete instructions aed charger Available dealer order direct Visa aed Mastercard accepted Add $150 postage latrodoctory price $5996 Without charger $1800 b &btee PO ka 192 Oacede MI 48750 517 7294549 Mekieg Leleare lime Enloyable SEE HOT STUFFVIDEO-TIPS VHS CASSETTES #S 1 2 CLIP THIS COUPON SEND $5500 check MO GET BOTH VHS TAPES PLUS 1 EA 2 oz HOT STUFF 2 oz SUPER T 3 oz HOT SHOT OFFER GOOD IN US ONLY THRU JUNE 84 PO BOX 836 jp3j SIMICA 93062 805 522-0062 FAI RUBBER Sizes 1/4 3116 18 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA Calif residents add 6% sales taxi Coupe VIII $2386 plus UPS Finished prop Very very complete SEND 500 FOR 1984/1985 CATALOG FA Model Supply Browns ILLUSION WINDY WEATHER FLYER major obstacle consistent 10s pattern flying has always windy weather Dave Brown set out design plane would minimize effect buffety turbulent air result ultra Custom kit includes custom made lightweight epoxy fiber glass fuse belly pan Hand picked lightweightbalsa sheeting wing stab Dave Brown pushrods OB 80 mount Rocket city aileron links necessary machine cut ed parts Photo illustrated instructions Daves airplane reference subtle changes create smooth flying high performance pat tern plane. weather See dealers today discuss drawings photos stories about will appear NFFS Symposium Report will available Nats mail order Hedge yeur bets Im guy Murphy talking about conjured up Murphys First Law anything can go wrong will go wrong dont fly whole lot reactions fine-tuned firmware headhone has softened bit make mistakesbut lot younger people fly lot fre quently smart ones hedge bets spare parts minimum complex gadgetry check lists winding tubes fail-safe procedures hardware others dont waste time such nonsense some win lot stuff However doubt win much would theyd pay attention Murphys First Law long run think lose contests models smart ones forget light fuses use timers timers sometimes fail sometimes back up fuses worst thing about timers forgetting turn have fix too Some guys Joe Bilgri example simply remove start stop levers DT dethermalizer timers let run reset fore launching model forget reset timer better short DT no DT After losing cherished model lack turning DT timer worked out simple scheme now use whenever pos sible lot like rigs Towline Glider fliers use start DT timer towline releases its simplest form wire piece heavy nylon monofilament line stuck through hole timer mount such way prevent escapement working big red flag tied end thing will serve reminder youre supposed pull out before launching model another form works like using commercial mechanical timer Tatone-type having start-stop lever loosen up lever flops freely Attach spring rubberband to pull position Arrange pull-pin hold off position can figure out rest story figure macho sporting lose models contests dont have figure fixes Ive suggested too much trouble dont read foregoing item Bob Meuser 4200 Gregory St Oakland CA 94619 CL Scale/Boss continued oaae 72 three volts placed across lights lit switch advanced Position No 2 lights turned off power 15 volts placed across bomb bay door motor-drive causing bomb bay doors opened doors fully opened Open limit-switch actuated motor drive turned off point bomb bay Closed limit-switch still closed Advancing rotary switch Position No 3 causes bomb bay door closed circuit actuated doors completely closed Closed door limitswitch open once again turning circuit off Advancing rotary switch time puts switch fourth Off position cycle can now repeated On-Off switch shown wiring sketch essential can eliminated desired used means turning off bomb bay motor-drive circuit prevent operation during times model static display Please note voltages battery sup ply shown wiring sketch operation three-volt grain-of-wheat bulbs homemade geared-motor drive bomb bay door operation should de cide use idea will have adjust battery supply voltage required devices will operating Clarification February March 1984 columns detailed Electric Servo Operating System CL Scale models spoke about use two different types insulated lines Pylon Brand Sullivan Products 018 lines other 027 stainless steel fishing leader pictures written material described July 1984 169 44 sleek Illusion Refinements include half-hidden pipe easy service yet re duces dragso larger plane flies same speed lower wing loading higher wing location lessens effect turbulence reduced stab anhedral minimizes up down pitching crosswinds higher wing taper ratio improves aileron response
Edition: Model Aviation - 1984/07
Page Numbers: 70, 71, 168, 169
Free Flight Duration Bob Meuser WHAT should weigh building new model nice know weight coming along compared other models comparable size Unfortu nately plans dont list weights youre designing own youre own Roger Schroeder 4111 West 98th St Shawnee Mission KS 66207 has compiling data airframe weights would like have data has able get weighing own models some friends Basically needs Model name class whether Gas Glider Rubberpower whatever b wing area pro jected c weight rubber rubber-powered d rubber weight rubber-powered Further quite essential would weight break down wing stab fuselage assembly etc specific does fuselage weight include rudder op sembly rubber-powered gine gas-engine-powered DT engine-run timers included Also would help would give judgement whether model its components average weight size moderately over under average weight grossly information gets better job hell able Ill present resultsprobably form graphsas soon get Roger will help wont Write Rog er Nats unofficial Free Flight events cou ple dozen unofficial events will held Reno Nats August un der NFFS sponsorship Well try give brief rundown presenting enough rules allow build models omit ting some details flying scoring procedures Rubber-power Autogiro Omithopter Helicopter events will run according AMA rules Indoor events will held August 6 outdoor August 8 Other AMA-rule events include ROW Gas Rubber probably August 9 Cargo August 7 Rubber-power Speed August 8 Team HL Glider August 9 Team Mulvihill August 11 Rules other events follow Dick Korda Open Rubber Rubber-power no size restriction flight 630 August 9 Unlimited Rubber-Powered Biplane No restrictions size weight Smaller wing must have 50% area larger wing ROG required August 7 Embryo Endurance Wing areas Monoplanes 50 sq max Biplanes 70 sq total max 45 sq max largest wing Stab area 50% wing area max Fuselage enclose space 11/4 x 1 inches Wing tail built-up covered both sides tissue No folding props Rubber power ROG tabletop three-point rest Wheels 3/4-in diameter mm Bonuses raised cabin open cockpit windscreen headrest 3-dimensional exhaust pipes 3-D wheel pants August 7 7-11 Rubber Distance Single rubber motor having free length 11 max prop two fixed blades 7-in diameter max direct drive Launch method optional Scored max straight-line distance No score model points back toward takeoff point August 8 Sig Mini-Maxer Model built kit same-size wood may substituted August 9 /2A Payload No span area limit En gine displacement greater 025 050 cu max Dummyhead 3/4-in cube body 3/4 X 2/4-in high x 1-in wide 4 oz mm Clear windows /I6 sq ahead side head Total weight cluding dummy 9 oz mm 15-second en gine run Category 1 2 10 sec Category 3 Other flight rules same AMA Payload August 7 Nostalgia events A A-B C-D will flown NFFS rules Dates unknown John Pond will conduct usual array Old-Timer events August 10 havent heard anything about Indoor Peanut Unlimited Rubber-power Speed events past closed course around poles 20 ft apart Orbiteers San Diego will host unofficial Forty-Niner event Nats warned rules bit different presented before column elsewhere Briefly Max span length 49 Mm fuselage cross section 49 sq cm 765 sq Engine 049 reed-valve direct drive no gears Mm weight 349 grams 123 oz No variable-geometry surfaces ie no auto70 Model Aviation Forty-Niner-class models may use engine-run timers Walt Mooney checking fuel-time remaIning before launching original-design ship San Diego Orbiteers contest Beautiful model has MonoKoted flying surfaces Pactra Formula U finish elsewhere fiberglass cowl wheel pants twin-fins Orbiteers will sponsor event Nats John Oldenkamp photo Impeccably-constructed Bunch Cadet Major Sherman Gillespie kit sold $150 1935 ShIP great flier won meets San Jose CA area mid-Thirties anything Fuel 15% nitro furnished meet Engine-mn timing fuel-volume control onlyno clockwork timers Eye droppers open fuel tanks stuffed glass beads whatever calibrated lengths fuel tubing etc OK Main landing gear have two wheels 25% time-bonus ROG Max 120 seconds seven attempts best three count Flight time under 49 seconds unofficial Fractions seconds dropped Engine run taken greater 15 sec actual run Score flight duration divided engine run multiplied 125 ROG Keeping up changes rules interesting event getting painbut far better stick rules less best far better change whenever change will help early stages life event rather let bad inadequate rules solidify time point needed changes become extremely difficult sell however great need date August 11 info contact John Oldenkamp 3331 Adams Ave San Diego CA 92116 Also mark Thursday August 9 calendar NFFS Symposium awards presentation World-record kite aint RC aint CL looks like Free Flight model its gotta Free Right OK model shown sketch made record flight 9 hr 13 mm 1979 fol lowed up 39 hr 53 mm 1981 Both flights made Seattle Kingdome design appears based series record-breakers built Bill Bigge years ago least principle same hard tow effective CG extension towline model flies conventional wing-first mode towline slacked off gravity force acting effective CG becomes actual CG model flies backwards canard Bigge used rub ber strip rear part bridle order get automatic decrease angle attack increasing tow speed wing- tail-mount regions covered condenser paper act fins Getting areas just right provide directional stability during flight both directions could little tricky maybe designer just lucked out Im bit uncertain actually flew model could have Pinky whoever C Breweror likely team Quite project record likely broken quite spell Third US Indoor Championships Five solid days Indoor flying June 18-22 Michigan State Fair Coliseum Detroit official menu Champs takes place first three days includes AMA events except Helicopter Autogiro Ornithopter included plus Manhattan Cabin Bostonian Peanut Speed Un limited Speed latter two events entail two timed laps around two pylons 20 ft 7 4 2 /3/ Pres/ru* 7 cot 7der7 ser loper Paqona/ rits hdsekwqe t ~b w ecoo k/7 PINKYS FLOATER des/q4ed C i5rewer nil tJLLiJL 4 4 7 39Ar 53 rn/rI 4V/74 9- /ai/r,ounbs 4covered / Axk ~it/r t0Obcnbaoop- a,d hottom 4 %//k dbrd its kite. no its glider Whatever its unique can tiy ong iong time indoors apart Both Peanut Scale Rule 51 AMA Scale included Entry fees pretty steep NFFS-sponsored affair costs $500 day use hall Ceiling height 66 ft Category III addition Champs June 20-22 will Peanut Grand Prix NIMAS Record Trials Indoor events put Doc Martin MIAMA club information about send large SASE Dr J Martin 2180 Tigertail Ave Miami FL 33133 information Champs write J Italiano 1655 Revere Dr Brookfield WI 53005 Ring-wing-things revisited August 1982 column described spin-stabilized ring-wing toy made half beer can Shortly afterward received some clips Robert Liefeld New Mexico State University describing similar things folded up paper plastic made Japan along some notes regarding theory mechanics such gyrostabilized devices June 1983 column showed Lock heeds design concept ring-wing pas senger cargo aircraft October 1983 issue showed photo Free Flight ring-wing model built Bud Overn recently received letter Thomas Harr develping ring-wing model plane part Senior project Califor nia Polytechnic State University would extremely interested learning about anything anyone else has done ringwing flying models Write him 1400 Stafford St No A-4 San Luis Obispo CA 93401 Leave Scale Staffel always inter esting see what club does its spe cial events recent models built new Peck profile kits Senior-Open Bill Hannan won flight 3159 sec flying Stinson Polish markingswouldnt know hed something like thatfollowed Walt Continued page 168 July 1984 71 FF Indoor/Tenny Continued page 165 records held local fliers Just show Jesse manages some own flying another photos shows him Easy B model activity sponsored Ft Worth Plainsmen older FF clubs Southwest activity has grown enough support fairly healthy rental fee site addition Jesse considers group NIMAS Chapter No 1 National Indoor Model Airplane Society Another photo shows isnt just bunch grownupsJohn Chancey dad Don Chancey winding Johns No-Cal Ceveands Pa s MANY NEWI FOR R/C BUFFSR Worlds Largest Gas Plans Assortm INTERNATIONALLY FAMOUS CD QUALITY * AAASTEB MODELS PLANS 54 SDDenroicelle 31 $48-7t Consol Cat PRY5A $42 72 Cor 02U14 L&S $39 ~W 104 Con Cat PBYSA $56 62 Howard Race Ike $40 .. 96 WrisbtNonyRace $48 77 Roams 6170 Fort $35 . 52 W-Wnrsl2l Red L 836 103 Roe 8-170 En $55 77W-We,lSi Rod L $48 60 Doers 046A Ohs $32 84 Pobber 07 FIr $39 108 Sikor 5-38 Anrpb $49 60 Howard Pete 8oce $32 60 toe 100 Sport $36 70 Bayles Gee-Boa $32 90 Roe 100 Sport 60 Doporwarion S6R 034 90 StinsALoro Wins $56avSoperwarina S6R $32 tO Martin 74 t4M-1 $39 62 Cort 9owk P-6E $42 758-Poe 0400 Snnrb $ 94 CorHwb P6E Pt $54 10$ HPge 0400 Row $49 62 Lockheed Vega $24 65 toChina Clipper $ 74 Doolittles GB 11 $42 97 toChino Clipper $ 95 Mnnaoocpe Sport $36 60 West Whirlwind $24 $0 Hall Spr Roildos $43- 60 Ryan t4anion 7 Aeranco C3 Spt $35 68 BRononon VTol $39 61 l3aoslas 030 Ohs $32 77 Loscowbe Sedan $ 132 ISnoslas 038 Ok $49 73 N Mitch Bowb $49 94 Pose Cort Rarer $45 65 toMarnodor 826 $49 71 Mortin 810 Bowk $29 81 OH Mosqoito Rb $ 78 Torners WW Ran $351 lOt OH f4osqoBowb $ 64 Cor Goslrk 91 1C3 $39 98 Stoar PTl7Kaydet $56e rGoslb P11C2 $54r 99NRlb Widow P61 $69 66 DeHan Cornat Rae $24 71 Dons DC3 Iron $ 62 HowMrMolligan $35 95 Dons OC3 Iron $55 4 Honctor Mollison 045 06 Hawks Teonco 13 $22 63 Boeing P-26A Ptr $36 lOt Cnr0201/4 L&S $49 84 Boeing P-26A FIr $48 60 Dootlos M-2 Mail $24 69 Wona C-6 Cabin $36 68 Bristol Bolidos Ptr $30 64 Baocb C17B Stos $30 59 BrownRacetosLA $54 96Beaob C17B Stas $49 107 Grow Bearet POP $54e 55 bob 11 Eleetra $30 73 Tranel Air 6000 $24 82 nob 11 Elentro $40 107 Mnrt MB-i Boo $44 2 Stinena T/W SB7 $16 91 Lindberss NX21 1 $39 81 Stinson T/W SR7 $24 108 PairobPTl9 Sr 122 Stinson T/W S87 $38 90 Waco Topar-Wins $39 istol Ptr P2-B $20 75 Wastld Lysandar $22 B Bristol PS- P2-B $22 100 Westld Lysonder $49 - lit Briatnl Pt P2-B $45 57 Ford Trintr 4-AT $38 4 T-L Ensco Spec $45 76 Per4 Trirntr 4-AT $45 3 Obyranbet XPSP-l $20 lid Pnrd Trintr 4-AT $59 6 Car Warbb P40 $24 84 Ben-Joyce OPJ-2 $56 B Look Lighteg P38 $38 93 Loening C2Anrpb $69 6 Rep Sna-Boe An $24 58 GronrJ2P Dock $39 4 RapSea-B Anrpb $39 7t GronJ2-P Dock $56 106 Pipnr J-3 Cob $35 59 Gotba G-lV Boor $23 B Lack Hodson Bnrb $38 117 Gotbo 0-lY ton $39 63 Grow P6P Hellcat $28 68 Bron-Winble Bird $45 55 Heath Roby Boll $24 54 Cort Swift XP934 $28 Sold Tkrc Dealers Prices sokiect cha ge once resre toescorea sclnenee oraL steen rL 1700 Others 6- 12 Pass Inc1 SOc Up Add 10% orders ebippins & ins. etr USA Con & Mao Elsewbere its 15% 125% o Piotoriol cotnIns $200 linclodes Price List Price sartion alone $100 air foreign add $100 LEVELAND MODEL & SUPPLY Co amass t octoeaonroaoa-s sast rensa--sttsce late ______________ t0307B DOIT AVI CLBVRLANO OHIO 44102 Scale model John has twice set Junior Indoor HLG record Boys Ranch moving other kinds Indoor flying also Trophies anyone Attractive trophies plaques fairly inexpensiveif can generate artwork necessary make tractive plates according Don Chancey plaque shown last photo has stained-wood base black-and-silver plate plate produced using ScotchCal 3-M cat No 8005 printed negative positive artwork depend ing whether want light dark lines printing done photosensitive mate rial exposed using ultraviolet light developed coating exposed mate rial single-step developer followed water rinse approximate cost 3 x 6 plate $1 plate shown aluminum-based sensitized plastic available also Both kinds material available several colors Suitable artwork plates can include photos have half-toned using 65-line screen Bud Tenny PO Box 545 Richardson lx 75080 FF Duration/Meuser Continued Daoe 71 Mooneys Citabria Len Piddles Zlin best flight far Terry Allens winning flight Junior 4538 seconds posted Cessna wouldnt have guessed models would fly long So appears four Pecks profiles good fliers score depends whos doing flying what hes flying So whats new Ken Johnson fink Making stay up half night say sound asleep Joanne roars tell going some thing about model Ornithopters telly knew Johnson since the country builds Ornithop ters pluralhe has built something like 120 So stagger out after disgusting thing about new suitless swim straps ladies disgusting because lasted about five minutes up pops Ken birds interesting model biplane upper lower wings flapping out phase flew very smoothly did fair job presen tation could have done lot better same length time about five min utes guess Id liked have seen some close-ups mechanisms slow motion some Kens exotic birdshe has flaps everything including tail wasted lost time showing thopters crashing Ken tried fly outdoors wind Still well worth watching program Eye Hollywood NFFS awards 1984 NFFS National Free Flight Society has awarded annually past 15 years 10 Model Year awards has recently insti tuted Free flight Hall Fame Awards NFFS has also reinstated its Distinguished Service Awards have dormant decade have no information give yet dope other two follows Model Year Awards 1984 International Classes FlA Nordic Walt Ghio Bandit FlB Wakefield An selmo Zeri Rara Avis FlC Power Sil vano Lustrati 1-520-A AMA Power Small Ron St Jean structureless foam composite SFC concept Large Sal Taibi Starduster 900 Hand-Launched Glider Martyn Cow ley Goldrush Indoor Bernard Hunt Tan dem Two EZB Unlimited Rubber Mik Mikkelson Unlimiter Scale Bill Noonan Armstrong-Whitworth Ape Special George Xenakis Lothar D6ring recording thermal-detectors Free Flight Hall Fame awards 1984 have awarded Ed Lidgard Creater flier championship-quality models Paul PlecanA prolific designer flying models special attention scale details Ken WillardCreated model de signs significance early author creative articles awards will presented recip ients Reno Nats NFFS Sym posium will held Thursday August 9 730 pm Reno Coliseum Some Model Year awardees will have models display will 168 Model Aviation HALF SHOT Heed held rechargeable glowhead energizer hA engines Small etoud carry year shirt peckot Makes dry cell batteries power lesing wires thiag 01 past Can charged upto Stimes Uses DUBRO YeA KWIK-KLIP ter positive coneectofe glowbead $0 day uncofsditlOaal guarantee pIes limited warrasty op year Complete instructions aed charger Available dealer order direct Visa aed Mastercard accepted Add $150 postage latrodoctory price $5996 Without charger $1800 b &btee PO ka 192 Oacede MI 48750 517 7294549 Mekieg Leleare lime Enloyable SEE HOT STUFFVIDEO-TIPS VHS CASSETTES #S 1 2 CLIP THIS COUPON SEND $5500 check MO GET BOTH VHS TAPES PLUS 1 EA 2 oz HOT STUFF 2 oz SUPER T 3 oz HOT SHOT OFFER GOOD IN US ONLY THRU JUNE 84 PO BOX 836 jp3j SIMICA 93062 805 522-0062 FAI RUBBER Sizes 1/4 3116 18 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA Calif residents add 6% sales taxi Coupe VIII $2386 plus UPS Finished prop Very very complete SEND 500 FOR 1984/1985 CATALOG FA Model Supply Browns ILLUSION WINDY WEATHER FLYER major obstacle consistent 10s pattern flying has always windy weather Dave Brown set out design plane would minimize effect buffety turbulent air result ultra Custom kit includes custom made lightweight epoxy fiber glass fuse belly pan Hand picked lightweightbalsa sheeting wing stab Dave Brown pushrods OB 80 mount Rocket city aileron links necessary machine cut ed parts Photo illustrated instructions Daves airplane reference subtle changes create smooth flying high performance pat tern plane. weather See dealers today discuss drawings photos stories about will appear NFFS Symposium Report will available Nats mail order Hedge yeur bets Im guy Murphy talking about conjured up Murphys First Law anything can go wrong will go wrong dont fly whole lot reactions fine-tuned firmware headhone has softened bit make mistakesbut lot younger people fly lot fre quently smart ones hedge bets spare parts minimum complex gadgetry check lists winding tubes fail-safe procedures hardware others dont waste time such nonsense some win lot stuff However doubt win much would theyd pay attention Murphys First Law long run think lose contests models smart ones forget light fuses use timers timers sometimes fail sometimes back up fuses worst thing about timers forgetting turn have fix too Some guys Joe Bilgri example simply remove start stop levers DT dethermalizer timers let run reset fore launching model forget reset timer better short DT no DT After losing cherished model lack turning DT timer worked out simple scheme now use whenever pos sible lot like rigs Towline Glider fliers use start DT timer towline releases its simplest form wire piece heavy nylon monofilament line stuck through hole timer mount such way prevent escapement working big red flag tied end thing will serve reminder youre supposed pull out before launching model another form works like using commercial mechanical timer Tatone-type having start-stop lever loosen up lever flops freely Attach spring rubberband to pull position Arrange pull-pin hold off position can figure out rest story figure macho sporting lose models contests dont have figure fixes Ive suggested too much trouble dont read foregoing item Bob Meuser 4200 Gregory St Oakland CA 94619 CL Scale/Boss continued oaae 72 three volts placed across lights lit switch advanced Position No 2 lights turned off power 15 volts placed across bomb bay door motor-drive causing bomb bay doors opened doors fully opened Open limit-switch actuated motor drive turned off point bomb bay Closed limit-switch still closed Advancing rotary switch Position No 3 causes bomb bay door closed circuit actuated doors completely closed Closed door limitswitch open once again turning circuit off Advancing rotary switch time puts switch fourth Off position cycle can now repeated On-Off switch shown wiring sketch essential can eliminated desired used means turning off bomb bay motor-drive circuit prevent operation during times model static display Please note voltages battery sup ply shown wiring sketch operation three-volt grain-of-wheat bulbs homemade geared-motor drive bomb bay door operation should de cide use idea will have adjust battery supply voltage required devices will operating Clarification February March 1984 columns detailed Electric Servo Operating System CL Scale models spoke about use two different types insulated lines Pylon Brand Sullivan Products 018 lines other 027 stainless steel fishing leader pictures written material described July 1984 169 44 sleek Illusion Refinements include half-hidden pipe easy service yet re duces dragso larger plane flies same speed lower wing loading higher wing location lessens effect turbulence reduced stab anhedral minimizes up down pitching crosswinds higher wing taper ratio improves aileron response
Edition: Model Aviation - 1984/07
Page Numbers: 70, 71, 168, 169
Free Flight Duration Bob Meuser WHAT should weigh building new model nice know weight coming along compared other models comparable size Unfortu nately plans dont list weights youre designing own youre own Roger Schroeder 4111 West 98th St Shawnee Mission KS 66207 has compiling data airframe weights would like have data has able get weighing own models some friends Basically needs Model name class whether Gas Glider Rubberpower whatever b wing area pro jected c weight rubber rubber-powered d rubber weight rubber-powered Further quite essential would weight break down wing stab fuselage assembly etc specific does fuselage weight include rudder op sembly rubber-powered gine gas-engine-powered DT engine-run timers included Also would help would give judgement whether model its components average weight size moderately over under average weight grossly information gets better job hell able Ill present resultsprobably form graphsas soon get Roger will help wont Write Rog er Nats unofficial Free Flight events cou ple dozen unofficial events will held Reno Nats August un der NFFS sponsorship Well try give brief rundown presenting enough rules allow build models omit ting some details flying scoring procedures Rubber-power Autogiro Omithopter Helicopter events will run according AMA rules Indoor events will held August 6 outdoor August 8 Other AMA-rule events include ROW Gas Rubber probably August 9 Cargo August 7 Rubber-power Speed August 8 Team HL Glider August 9 Team Mulvihill August 11 Rules other events follow Dick Korda Open Rubber Rubber-power no size restriction flight 630 August 9 Unlimited Rubber-Powered Biplane No restrictions size weight Smaller wing must have 50% area larger wing ROG required August 7 Embryo Endurance Wing areas Monoplanes 50 sq max Biplanes 70 sq total max 45 sq max largest wing Stab area 50% wing area max Fuselage enclose space 11/4 x 1 inches Wing tail built-up covered both sides tissue No folding props Rubber power ROG tabletop three-point rest Wheels 3/4-in diameter mm Bonuses raised cabin open cockpit windscreen headrest 3-dimensional exhaust pipes 3-D wheel pants August 7 7-11 Rubber Distance Single rubber motor having free length 11 max prop two fixed blades 7-in diameter max direct drive Launch method optional Scored max straight-line distance No score model points back toward takeoff point August 8 Sig Mini-Maxer Model built kit same-size wood may substituted August 9 /2A Payload No span area limit En gine displacement greater 025 050 cu max Dummyhead 3/4-in cube body 3/4 X 2/4-in high x 1-in wide 4 oz mm Clear windows /I6 sq ahead side head Total weight cluding dummy 9 oz mm 15-second en gine run Category 1 2 10 sec Category 3 Other flight rules same AMA Payload August 7 Nostalgia events A A-B C-D will flown NFFS rules Dates unknown John Pond will conduct usual array Old-Timer events August 10 havent heard anything about Indoor Peanut Unlimited Rubber-power Speed events past closed course around poles 20 ft apart Orbiteers San Diego will host unofficial Forty-Niner event Nats warned rules bit different presented before column elsewhere Briefly Max span length 49 Mm fuselage cross section 49 sq cm 765 sq Engine 049 reed-valve direct drive no gears Mm weight 349 grams 123 oz No variable-geometry surfaces ie no auto70 Model Aviation Forty-Niner-class models may use engine-run timers Walt Mooney checking fuel-time remaIning before launching original-design ship San Diego Orbiteers contest Beautiful model has MonoKoted flying surfaces Pactra Formula U finish elsewhere fiberglass cowl wheel pants twin-fins Orbiteers will sponsor event Nats John Oldenkamp photo Impeccably-constructed Bunch Cadet Major Sherman Gillespie kit sold $150 1935 ShIP great flier won meets San Jose CA area mid-Thirties anything Fuel 15% nitro furnished meet Engine-mn timing fuel-volume control onlyno clockwork timers Eye droppers open fuel tanks stuffed glass beads whatever calibrated lengths fuel tubing etc OK Main landing gear have two wheels 25% time-bonus ROG Max 120 seconds seven attempts best three count Flight time under 49 seconds unofficial Fractions seconds dropped Engine run taken greater 15 sec actual run Score flight duration divided engine run multiplied 125 ROG Keeping up changes rules interesting event getting painbut far better stick rules less best far better change whenever change will help early stages life event rather let bad inadequate rules solidify time point needed changes become extremely difficult sell however great need date August 11 info contact John Oldenkamp 3331 Adams Ave San Diego CA 92116 Also mark Thursday August 9 calendar NFFS Symposium awards presentation World-record kite aint RC aint CL looks like Free Flight model its gotta Free Right OK model shown sketch made record flight 9 hr 13 mm 1979 fol lowed up 39 hr 53 mm 1981 Both flights made Seattle Kingdome design appears based series record-breakers built Bill Bigge years ago least principle same hard tow effective CG extension towline model flies conventional wing-first mode towline slacked off gravity force acting effective CG becomes actual CG model flies backwards canard Bigge used rub ber strip rear part bridle order get automatic decrease angle attack increasing tow speed wing- tail-mount regions covered condenser paper act fins Getting areas just right provide directional stability during flight both directions could little tricky maybe designer just lucked out Im bit uncertain actually flew model could have Pinky whoever C Breweror likely team Quite project record likely broken quite spell Third US Indoor Championships Five solid days Indoor flying June 18-22 Michigan State Fair Coliseum Detroit official menu Champs takes place first three days includes AMA events except Helicopter Autogiro Ornithopter included plus Manhattan Cabin Bostonian Peanut Speed Un limited Speed latter two events entail two timed laps around two pylons 20 ft 7 4 2 /3/ Pres/ru* 7 cot 7der7 ser loper Paqona/ rits hdsekwqe t ~b w ecoo k/7 PINKYS FLOATER des/q4ed C i5rewer nil tJLLiJL 4 4 7 39Ar 53 rn/rI 4V/74 9- /ai/r,ounbs 4covered / Axk ~it/r t0Obcnbaoop- a,d hottom 4 %//k dbrd its kite. no its glider Whatever its unique can tiy ong iong time indoors apart Both Peanut Scale Rule 51 AMA Scale included Entry fees pretty steep NFFS-sponsored affair costs $500 day use hall Ceiling height 66 ft Category III addition Champs June 20-22 will Peanut Grand Prix NIMAS Record Trials Indoor events put Doc Martin MIAMA club information about send large SASE Dr J Martin 2180 Tigertail Ave Miami FL 33133 information Champs write J Italiano 1655 Revere Dr Brookfield WI 53005 Ring-wing-things revisited August 1982 column described spin-stabilized ring-wing toy made half beer can Shortly afterward received some clips Robert Liefeld New Mexico State University describing similar things folded up paper plastic made Japan along some notes regarding theory mechanics such gyrostabilized devices June 1983 column showed Lock heeds design concept ring-wing pas senger cargo aircraft October 1983 issue showed photo Free Flight ring-wing model built Bud Overn recently received letter Thomas Harr develping ring-wing model plane part Senior project Califor nia Polytechnic State University would extremely interested learning about anything anyone else has done ringwing flying models Write him 1400 Stafford St No A-4 San Luis Obispo CA 93401 Leave Scale Staffel always inter esting see what club does its spe cial events recent models built new Peck profile kits Senior-Open Bill Hannan won flight 3159 sec flying Stinson Polish markingswouldnt know hed something like thatfollowed Walt Continued page 168 July 1984 71 FF Indoor/Tenny Continued page 165 records held local fliers Just show Jesse manages some own flying another photos shows him Easy B model activity sponsored Ft Worth Plainsmen older FF clubs Southwest activity has grown enough support fairly healthy rental fee site addition Jesse considers group NIMAS Chapter No 1 National Indoor Model Airplane Society Another photo shows isnt just bunch grownupsJohn Chancey dad Don Chancey winding Johns No-Cal Ceveands Pa s MANY NEWI FOR R/C BUFFSR Worlds Largest Gas Plans Assortm INTERNATIONALLY FAMOUS CD QUALITY * AAASTEB MODELS PLANS 54 SDDenroicelle 31 $48-7t Consol Cat PRY5A $42 72 Cor 02U14 L&S $39 ~W 104 Con Cat PBYSA $56 62 Howard Race Ike $40 .. 96 WrisbtNonyRace $48 77 Roams 6170 Fort $35 . 52 W-Wnrsl2l Red L 836 103 Roe 8-170 En $55 77W-We,lSi Rod L $48 60 Doers 046A Ohs $32 84 Pobber 07 FIr $39 108 Sikor 5-38 Anrpb $49 60 Howard Pete 8oce $32 60 toe 100 Sport $36 70 Bayles Gee-Boa $32 90 Roe 100 Sport 60 Doporwarion S6R 034 90 StinsALoro Wins $56avSoperwarina S6R $32 tO Martin 74 t4M-1 $39 62 Cort 9owk P-6E $42 758-Poe 0400 Snnrb $ 94 CorHwb P6E Pt $54 10$ HPge 0400 Row $49 62 Lockheed Vega $24 65 toChina Clipper $ 74 Doolittles GB 11 $42 97 toChino Clipper $ 95 Mnnaoocpe Sport $36 60 West Whirlwind $24 $0 Hall Spr Roildos $43- 60 Ryan t4anion 7 Aeranco C3 Spt $35 68 BRononon VTol $39 61 l3aoslas 030 Ohs $32 77 Loscowbe Sedan $ 132 ISnoslas 038 Ok $49 73 N Mitch Bowb $49 94 Pose Cort Rarer $45 65 toMarnodor 826 $49 71 Mortin 810 Bowk $29 81 OH Mosqoito Rb $ 78 Torners WW Ran $351 lOt OH f4osqoBowb $ 64 Cor Goslrk 91 1C3 $39 98 Stoar PTl7Kaydet $56e rGoslb P11C2 $54r 99NRlb Widow P61 $69 66 DeHan Cornat Rae $24 71 Dons DC3 Iron $ 62 HowMrMolligan $35 95 Dons OC3 Iron $55 4 Honctor Mollison 045 06 Hawks Teonco 13 $22 63 Boeing P-26A Ptr $36 lOt Cnr0201/4 L&S $49 84 Boeing P-26A FIr $48 60 Dootlos M-2 Mail $24 69 Wona C-6 Cabin $36 68 Bristol Bolidos Ptr $30 64 Baocb C17B Stos $30 59 BrownRacetosLA $54 96Beaob C17B Stas $49 107 Grow Bearet POP $54e 55 bob 11 Eleetra $30 73 Tranel Air 6000 $24 82 nob 11 Elentro $40 107 Mnrt MB-i Boo $44 2 Stinena T/W SB7 $16 91 Lindberss NX21 1 $39 81 Stinson T/W SR7 $24 108 PairobPTl9 Sr 122 Stinson T/W S87 $38 90 Waco Topar-Wins $39 istol Ptr P2-B $20 75 Wastld Lysandar $22 B Bristol PS- P2-B $22 100 Westld Lysonder $49 - lit Briatnl Pt P2-B $45 57 Ford Trintr 4-AT $38 4 T-L Ensco Spec $45 76 Per4 Trirntr 4-AT $45 3 Obyranbet XPSP-l $20 lid Pnrd Trintr 4-AT $59 6 Car Warbb P40 $24 84 Ben-Joyce OPJ-2 $56 B Look Lighteg P38 $38 93 Loening C2Anrpb $69 6 Rep Sna-Boe An $24 58 GronrJ2P Dock $39 4 RapSea-B Anrpb $39 7t GronJ2-P Dock $56 106 Pipnr J-3 Cob $35 59 Gotba G-lV Boor $23 B Lack Hodson Bnrb $38 117 Gotbo 0-lY ton $39 63 Grow P6P Hellcat $28 68 Bron-Winble Bird $45 55 Heath Roby Boll $24 54 Cort Swift XP934 $28 Sold Tkrc Dealers Prices sokiect cha ge once resre toescorea sclnenee oraL steen rL 1700 Others 6- 12 Pass Inc1 SOc Up Add 10% orders ebippins & ins. etr USA Con & Mao Elsewbere its 15% 125% o Piotoriol cotnIns $200 linclodes Price List Price sartion alone $100 air foreign add $100 LEVELAND MODEL & SUPPLY Co amass t octoeaonroaoa-s sast rensa--sttsce late ______________ t0307B DOIT AVI CLBVRLANO OHIO 44102 Scale model John has twice set Junior Indoor HLG record Boys Ranch moving other kinds Indoor flying also Trophies anyone Attractive trophies plaques fairly inexpensiveif can generate artwork necessary make tractive plates according Don Chancey plaque shown last photo has stained-wood base black-and-silver plate plate produced using ScotchCal 3-M cat No 8005 printed negative positive artwork depend ing whether want light dark lines printing done photosensitive mate rial exposed using ultraviolet light developed coating exposed mate rial single-step developer followed water rinse approximate cost 3 x 6 plate $1 plate shown aluminum-based sensitized plastic available also Both kinds material available several colors Suitable artwork plates can include photos have half-toned using 65-line screen Bud Tenny PO Box 545 Richardson lx 75080 FF Duration/Meuser Continued Daoe 71 Mooneys Citabria Len Piddles Zlin best flight far Terry Allens winning flight Junior 4538 seconds posted Cessna wouldnt have guessed models would fly long So appears four Pecks profiles good fliers score depends whos doing flying what hes flying So whats new Ken Johnson fink Making stay up half night say sound asleep Joanne roars tell going some thing about model Ornithopters telly knew Johnson since the country builds Ornithop ters pluralhe has built something like 120 So stagger out after disgusting thing about new suitless swim straps ladies disgusting because lasted about five minutes up pops Ken birds interesting model biplane upper lower wings flapping out phase flew very smoothly did fair job presen tation could have done lot better same length time about five min utes guess Id liked have seen some close-ups mechanisms slow motion some Kens exotic birdshe has flaps everything including tail wasted lost time showing thopters crashing Ken tried fly outdoors wind Still well worth watching program Eye Hollywood NFFS awards 1984 NFFS National Free Flight Society has awarded annually past 15 years 10 Model Year awards has recently insti tuted Free flight Hall Fame Awards NFFS has also reinstated its Distinguished Service Awards have dormant decade have no information give yet dope other two follows Model Year Awards 1984 International Classes FlA Nordic Walt Ghio Bandit FlB Wakefield An selmo Zeri Rara Avis FlC Power Sil vano Lustrati 1-520-A AMA Power Small Ron St Jean structureless foam composite SFC concept Large Sal Taibi Starduster 900 Hand-Launched Glider Martyn Cow ley Goldrush Indoor Bernard Hunt Tan dem Two EZB Unlimited Rubber Mik Mikkelson Unlimiter Scale Bill Noonan Armstrong-Whitworth Ape Special George Xenakis Lothar D6ring recording thermal-detectors Free Flight Hall Fame awards 1984 have awarded Ed Lidgard Creater flier championship-quality models Paul PlecanA prolific designer flying models special attention scale details Ken WillardCreated model de signs significance early author creative articles awards will presented recip ients Reno Nats NFFS Sym posium will held Thursday August 9 730 pm Reno Coliseum Some Model Year awardees will have models display will 168 Model Aviation HALF SHOT Heed held rechargeable glowhead energizer hA engines Small etoud carry year shirt peckot Makes dry cell batteries power lesing wires thiag 01 past Can charged upto Stimes Uses DUBRO YeA KWIK-KLIP ter positive coneectofe glowbead $0 day uncofsditlOaal guarantee pIes limited warrasty op year Complete instructions aed charger Available dealer order direct Visa aed Mastercard accepted Add $150 postage latrodoctory price $5996 Without charger $1800 b &btee PO ka 192 Oacede MI 48750 517 7294549 Mekieg Leleare lime Enloyable SEE HOT STUFFVIDEO-TIPS VHS CASSETTES #S 1 2 CLIP THIS COUPON SEND $5500 check MO GET BOTH VHS TAPES PLUS 1 EA 2 oz HOT STUFF 2 oz SUPER T 3 oz HOT SHOT OFFER GOOD IN US ONLY THRU JUNE 84 PO BOX 836 jp3j SIMICA 93062 805 522-0062 FAI RUBBER Sizes 1/4 3116 18 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA Calif residents add 6% sales taxi Coupe VIII $2386 plus UPS Finished prop Very very complete SEND 500 FOR 1984/1985 CATALOG FA Model Supply Browns ILLUSION WINDY WEATHER FLYER major obstacle consistent 10s pattern flying has always windy weather Dave Brown set out design plane would minimize effect buffety turbulent air result ultra Custom kit includes custom made lightweight epoxy fiber glass fuse belly pan Hand picked lightweightbalsa sheeting wing stab Dave Brown pushrods OB 80 mount Rocket city aileron links necessary machine cut ed parts Photo illustrated instructions Daves airplane reference subtle changes create smooth flying high performance pat tern plane. weather See dealers today discuss drawings photos stories about will appear NFFS Symposium Report will available Nats mail order Hedge yeur bets Im guy Murphy talking about conjured up Murphys First Law anything can go wrong will go wrong dont fly whole lot reactions fine-tuned firmware headhone has softened bit make mistakesbut lot younger people fly lot fre quently smart ones hedge bets spare parts minimum complex gadgetry check lists winding tubes fail-safe procedures hardware others dont waste time such nonsense some win lot stuff However doubt win much would theyd pay attention Murphys First Law long run think lose contests models smart ones forget light fuses use timers timers sometimes fail sometimes back up fuses worst thing about timers forgetting turn have fix too Some guys Joe Bilgri example simply remove start stop levers DT dethermalizer timers let run reset fore launching model forget reset timer better short DT no DT After losing cherished model lack turning DT timer worked out simple scheme now use whenever pos sible lot like rigs Towline Glider fliers use start DT timer towline releases its simplest form wire piece heavy nylon monofilament line stuck through hole timer mount such way prevent escapement working big red flag tied end thing will serve reminder youre supposed pull out before launching model another form works like using commercial mechanical timer Tatone-type having start-stop lever loosen up lever flops freely Attach spring rubberband to pull position Arrange pull-pin hold off position can figure out rest story figure macho sporting lose models contests dont have figure fixes Ive suggested too much trouble dont read foregoing item Bob Meuser 4200 Gregory St Oakland CA 94619 CL Scale/Boss continued oaae 72 three volts placed across lights lit switch advanced Position No 2 lights turned off power 15 volts placed across bomb bay door motor-drive causing bomb bay doors opened doors fully opened Open limit-switch actuated motor drive turned off point bomb bay Closed limit-switch still closed Advancing rotary switch Position No 3 causes bomb bay door closed circuit actuated doors completely closed Closed door limitswitch open once again turning circuit off Advancing rotary switch time puts switch fourth Off position cycle can now repeated On-Off switch shown wiring sketch essential can eliminated desired used means turning off bomb bay motor-drive circuit prevent operation during times model static display Please note voltages battery sup ply shown wiring sketch operation three-volt grain-of-wheat bulbs homemade geared-motor drive bomb bay door operation should de cide use idea will have adjust battery supply voltage required devices will operating Clarification February March 1984 columns detailed Electric Servo Operating System CL Scale models spoke about use two different types insulated lines Pylon Brand Sullivan Products 018 lines other 027 stainless steel fishing leader pictures written material described July 1984 169 44 sleek Illusion Refinements include half-hidden pipe easy service yet re duces dragso larger plane flies same speed lower wing loading higher wing location lessens effect turbulence reduced stab anhedral minimizes up down pitching crosswinds higher wing taper ratio improves aileron response
Edition: Model Aviation - 1984/07
Page Numbers: 70, 71, 168, 169
Free Flight Duration Bob Meuser WHAT should weigh building new model nice know weight coming along compared other models comparable size Unfortu nately plans dont list weights youre designing own youre own Roger Schroeder 4111 West 98th St Shawnee Mission KS 66207 has compiling data airframe weights would like have data has able get weighing own models some friends Basically needs Model name class whether Gas Glider Rubberpower whatever b wing area pro jected c weight rubber rubber-powered d rubber weight rubber-powered Further quite essential would weight break down wing stab fuselage assembly etc specific does fuselage weight include rudder op sembly rubber-powered gine gas-engine-powered DT engine-run timers included Also would help would give judgement whether model its components average weight size moderately over under average weight grossly information gets better job hell able Ill present resultsprobably form graphsas soon get Roger will help wont Write Rog er Nats unofficial Free Flight events cou ple dozen unofficial events will held Reno Nats August un der NFFS sponsorship Well try give brief rundown presenting enough rules allow build models omit ting some details flying scoring procedures Rubber-power Autogiro Omithopter Helicopter events will run according AMA rules Indoor events will held August 6 outdoor August 8 Other AMA-rule events include ROW Gas Rubber probably August 9 Cargo August 7 Rubber-power Speed August 8 Team HL Glider August 9 Team Mulvihill August 11 Rules other events follow Dick Korda Open Rubber Rubber-power no size restriction flight 630 August 9 Unlimited Rubber-Powered Biplane No restrictions size weight Smaller wing must have 50% area larger wing ROG required August 7 Embryo Endurance Wing areas Monoplanes 50 sq max Biplanes 70 sq total max 45 sq max largest wing Stab area 50% wing area max Fuselage enclose space 11/4 x 1 inches Wing tail built-up covered both sides tissue No folding props Rubber power ROG tabletop three-point rest Wheels 3/4-in diameter mm Bonuses raised cabin open cockpit windscreen headrest 3-dimensional exhaust pipes 3-D wheel pants August 7 7-11 Rubber Distance Single rubber motor having free length 11 max prop two fixed blades 7-in diameter max direct drive Launch method optional Scored max straight-line distance No score model points back toward takeoff point August 8 Sig Mini-Maxer Model built kit same-size wood may substituted August 9 /2A Payload No span area limit En gine displacement greater 025 050 cu max Dummyhead 3/4-in cube body 3/4 X 2/4-in high x 1-in wide 4 oz mm Clear windows /I6 sq ahead side head Total weight cluding dummy 9 oz mm 15-second en gine run Category 1 2 10 sec Category 3 Other flight rules same AMA Payload August 7 Nostalgia events A A-B C-D will flown NFFS rules Dates unknown John Pond will conduct usual array Old-Timer events August 10 havent heard anything about Indoor Peanut Unlimited Rubber-power Speed events past closed course around poles 20 ft apart Orbiteers San Diego will host unofficial Forty-Niner event Nats warned rules bit different presented before column elsewhere Briefly Max span length 49 Mm fuselage cross section 49 sq cm 765 sq Engine 049 reed-valve direct drive no gears Mm weight 349 grams 123 oz No variable-geometry surfaces ie no auto70 Model Aviation Forty-Niner-class models may use engine-run timers Walt Mooney checking fuel-time remaIning before launching original-design ship San Diego Orbiteers contest Beautiful model has MonoKoted flying surfaces Pactra Formula U finish elsewhere fiberglass cowl wheel pants twin-fins Orbiteers will sponsor event Nats John Oldenkamp photo Impeccably-constructed Bunch Cadet Major Sherman Gillespie kit sold $150 1935 ShIP great flier won meets San Jose CA area mid-Thirties anything Fuel 15% nitro furnished meet Engine-mn timing fuel-volume control onlyno clockwork timers Eye droppers open fuel tanks stuffed glass beads whatever calibrated lengths fuel tubing etc OK Main landing gear have two wheels 25% time-bonus ROG Max 120 seconds seven attempts best three count Flight time under 49 seconds unofficial Fractions seconds dropped Engine run taken greater 15 sec actual run Score flight duration divided engine run multiplied 125 ROG Keeping up changes rules interesting event getting painbut far better stick rules less best far better change whenever change will help early stages life event rather let bad inadequate rules solidify time point needed changes become extremely difficult sell however great need date August 11 info contact John Oldenkamp 3331 Adams Ave San Diego CA 92116 Also mark Thursday August 9 calendar NFFS Symposium awards presentation World-record kite aint RC aint CL looks like Free Flight model its gotta Free Right OK model shown sketch made record flight 9 hr 13 mm 1979 fol lowed up 39 hr 53 mm 1981 Both flights made Seattle Kingdome design appears based series record-breakers built Bill Bigge years ago least principle same hard tow effective CG extension towline model flies conventional wing-first mode towline slacked off gravity force acting effective CG becomes actual CG model flies backwards canard Bigge used rub ber strip rear part bridle order get automatic decrease angle attack increasing tow speed wing- tail-mount regions covered condenser paper act fins Getting areas just right provide directional stability during flight both directions could little tricky maybe designer just lucked out Im bit uncertain actually flew model could have Pinky whoever C Breweror likely team Quite project record likely broken quite spell Third US Indoor Championships Five solid days Indoor flying June 18-22 Michigan State Fair Coliseum Detroit official menu Champs takes place first three days includes AMA events except Helicopter Autogiro Ornithopter included plus Manhattan Cabin Bostonian Peanut Speed Un limited Speed latter two events entail two timed laps around two pylons 20 ft 7 4 2 /3/ Pres/ru* 7 cot 7der7 ser loper Paqona/ rits hdsekwqe t ~b w ecoo k/7 PINKYS FLOATER des/q4ed C i5rewer nil tJLLiJL 4 4 7 39Ar 53 rn/rI 4V/74 9- /ai/r,ounbs 4covered / Axk ~it/r t0Obcnbaoop- a,d hottom 4 %//k dbrd its kite. no its glider Whatever its unique can tiy ong iong time indoors apart Both Peanut Scale Rule 51 AMA Scale included Entry fees pretty steep NFFS-sponsored affair costs $500 day use hall Ceiling height 66 ft Category III addition Champs June 20-22 will Peanut Grand Prix NIMAS Record Trials Indoor events put Doc Martin MIAMA club information about send large SASE Dr J Martin 2180 Tigertail Ave Miami FL 33133 information Champs write J Italiano 1655 Revere Dr Brookfield WI 53005 Ring-wing-things revisited August 1982 column described spin-stabilized ring-wing toy made half beer can Shortly afterward received some clips Robert Liefeld New Mexico State University describing similar things folded up paper plastic made Japan along some notes regarding theory mechanics such gyrostabilized devices June 1983 column showed Lock heeds design concept ring-wing pas senger cargo aircraft October 1983 issue showed photo Free Flight ring-wing model built Bud Overn recently received letter Thomas Harr develping ring-wing model plane part Senior project Califor nia Polytechnic State University would extremely interested learning about anything anyone else has done ringwing flying models Write him 1400 Stafford St No A-4 San Luis Obispo CA 93401 Leave Scale Staffel always inter esting see what club does its spe cial events recent models built new Peck profile kits Senior-Open Bill Hannan won flight 3159 sec flying Stinson Polish markingswouldnt know hed something like thatfollowed Walt Continued page 168 July 1984 71 FF Indoor/Tenny Continued page 165 records held local fliers Just show Jesse manages some own flying another photos shows him Easy B model activity sponsored Ft Worth Plainsmen older FF clubs Southwest activity has grown enough support fairly healthy rental fee site addition Jesse considers group NIMAS Chapter No 1 National Indoor Model Airplane Society Another photo shows isnt just bunch grownupsJohn Chancey dad Don Chancey winding Johns No-Cal Ceveands Pa s MANY NEWI FOR R/C BUFFSR Worlds Largest Gas Plans Assortm INTERNATIONALLY FAMOUS CD QUALITY * AAASTEB MODELS PLANS 54 SDDenroicelle 31 $48-7t Consol Cat PRY5A $42 72 Cor 02U14 L&S $39 ~W 104 Con Cat PBYSA $56 62 Howard Race Ike $40 .. 96 WrisbtNonyRace $48 77 Roams 6170 Fort $35 . 52 W-Wnrsl2l Red L 836 103 Roe 8-170 En $55 77W-We,lSi Rod L $48 60 Doers 046A Ohs $32 84 Pobber 07 FIr $39 108 Sikor 5-38 Anrpb $49 60 Howard Pete 8oce $32 60 toe 100 Sport $36 70 Bayles Gee-Boa $32 90 Roe 100 Sport 60 Doporwarion S6R 034 90 StinsALoro Wins $56avSoperwarina S6R $32 tO Martin 74 t4M-1 $39 62 Cort 9owk P-6E $42 758-Poe 0400 Snnrb $ 94 CorHwb P6E Pt $54 10$ HPge 0400 Row $49 62 Lockheed Vega $24 65 toChina Clipper $ 74 Doolittles GB 11 $42 97 toChino Clipper $ 95 Mnnaoocpe Sport $36 60 West Whirlwind $24 $0 Hall Spr Roildos $43- 60 Ryan t4anion 7 Aeranco C3 Spt $35 68 BRononon VTol $39 61 l3aoslas 030 Ohs $32 77 Loscowbe Sedan $ 132 ISnoslas 038 Ok $49 73 N Mitch Bowb $49 94 Pose Cort Rarer $45 65 toMarnodor 826 $49 71 Mortin 810 Bowk $29 81 OH Mosqoito Rb $ 78 Torners WW Ran $351 lOt OH f4osqoBowb $ 64 Cor Goslrk 91 1C3 $39 98 Stoar PTl7Kaydet $56e rGoslb P11C2 $54r 99NRlb Widow P61 $69 66 DeHan Cornat Rae $24 71 Dons DC3 Iron $ 62 HowMrMolligan $35 95 Dons OC3 Iron $55 4 Honctor Mollison 045 06 Hawks Teonco 13 $22 63 Boeing P-26A Ptr $36 lOt Cnr0201/4 L&S $49 84 Boeing P-26A FIr $48 60 Dootlos M-2 Mail $24 69 Wona C-6 Cabin $36 68 Bristol Bolidos Ptr $30 64 Baocb C17B Stos $30 59 BrownRacetosLA $54 96Beaob C17B Stas $49 107 Grow Bearet POP $54e 55 bob 11 Eleetra $30 73 Tranel Air 6000 $24 82 nob 11 Elentro $40 107 Mnrt MB-i Boo $44 2 Stinena T/W SB7 $16 91 Lindberss NX21 1 $39 81 Stinson T/W SR7 $24 108 PairobPTl9 Sr 122 Stinson T/W S87 $38 90 Waco Topar-Wins $39 istol Ptr P2-B $20 75 Wastld Lysandar $22 B Bristol PS- P2-B $22 100 Westld Lysonder $49 - lit Briatnl Pt P2-B $45 57 Ford Trintr 4-AT $38 4 T-L Ensco Spec $45 76 Per4 Trirntr 4-AT $45 3 Obyranbet XPSP-l $20 lid Pnrd Trintr 4-AT $59 6 Car Warbb P40 $24 84 Ben-Joyce OPJ-2 $56 B Look Lighteg P38 $38 93 Loening C2Anrpb $69 6 Rep Sna-Boe An $24 58 GronrJ2P Dock $39 4 RapSea-B Anrpb $39 7t GronJ2-P Dock $56 106 Pipnr J-3 Cob $35 59 Gotba G-lV Boor $23 B Lack Hodson Bnrb $38 117 Gotbo 0-lY ton $39 63 Grow P6P Hellcat $28 68 Bron-Winble Bird $45 55 Heath Roby Boll $24 54 Cort Swift XP934 $28 Sold Tkrc Dealers Prices sokiect cha ge once resre toescorea sclnenee oraL steen rL 1700 Others 6- 12 Pass Inc1 SOc Up Add 10% orders ebippins & ins. etr USA Con & Mao Elsewbere its 15% 125% o Piotoriol cotnIns $200 linclodes Price List Price sartion alone $100 air foreign add $100 LEVELAND MODEL & SUPPLY Co amass t octoeaonroaoa-s sast rensa--sttsce late ______________ t0307B DOIT AVI CLBVRLANO OHIO 44102 Scale model John has twice set Junior Indoor HLG record Boys Ranch moving other kinds Indoor flying also Trophies anyone Attractive trophies plaques fairly inexpensiveif can generate artwork necessary make tractive plates according Don Chancey plaque shown last photo has stained-wood base black-and-silver plate plate produced using ScotchCal 3-M cat No 8005 printed negative positive artwork depend ing whether want light dark lines printing done photosensitive mate rial exposed using ultraviolet light developed coating exposed mate rial single-step developer followed water rinse approximate cost 3 x 6 plate $1 plate shown aluminum-based sensitized plastic available also Both kinds material available several colors Suitable artwork plates can include photos have half-toned using 65-line screen Bud Tenny PO Box 545 Richardson lx 75080 FF Duration/Meuser Continued Daoe 71 Mooneys Citabria Len Piddles Zlin best flight far Terry Allens winning flight Junior 4538 seconds posted Cessna wouldnt have guessed models would fly long So appears four Pecks profiles good fliers score depends whos doing flying what hes flying So whats new Ken Johnson fink Making stay up half night say sound asleep Joanne roars tell going some thing about model Ornithopters telly knew Johnson since the country builds Ornithop ters pluralhe has built something like 120 So stagger out after disgusting thing about new suitless swim straps ladies disgusting because lasted about five minutes up pops Ken birds interesting model biplane upper lower wings flapping out phase flew very smoothly did fair job presen tation could have done lot better same length time about five min utes guess Id liked have seen some close-ups mechanisms slow motion some Kens exotic birdshe has flaps everything including tail wasted lost time showing thopters crashing Ken tried fly outdoors wind Still well worth watching program Eye Hollywood NFFS awards 1984 NFFS National Free Flight Society has awarded annually past 15 years 10 Model Year awards has recently insti tuted Free flight Hall Fame Awards NFFS has also reinstated its Distinguished Service Awards have dormant decade have no information give yet dope other two follows Model Year Awards 1984 International Classes FlA Nordic Walt Ghio Bandit FlB Wakefield An selmo Zeri Rara Avis FlC Power Sil vano Lustrati 1-520-A AMA Power Small Ron St Jean structureless foam composite SFC concept Large Sal Taibi Starduster 900 Hand-Launched Glider Martyn Cow ley Goldrush Indoor Bernard Hunt Tan dem Two EZB Unlimited Rubber Mik Mikkelson Unlimiter Scale Bill Noonan Armstrong-Whitworth Ape Special George Xenakis Lothar D6ring recording thermal-detectors Free Flight Hall Fame awards 1984 have awarded Ed Lidgard Creater flier championship-quality models Paul PlecanA prolific designer flying models special attention scale details Ken WillardCreated model de signs significance early author creative articles awards will presented recip ients Reno Nats NFFS Sym posium will held Thursday August 9 730 pm Reno Coliseum Some Model Year awardees will have models display will 168 Model Aviation HALF SHOT Heed held rechargeable glowhead energizer hA engines Small etoud carry year shirt peckot Makes dry cell batteries power lesing wires thiag 01 past Can charged upto Stimes Uses DUBRO YeA KWIK-KLIP ter positive coneectofe glowbead $0 day uncofsditlOaal guarantee pIes limited warrasty op year Complete instructions aed charger Available dealer order direct Visa aed Mastercard accepted Add $150 postage latrodoctory price $5996 Without charger $1800 b &btee PO ka 192 Oacede MI 48750 517 7294549 Mekieg Leleare lime Enloyable SEE HOT STUFFVIDEO-TIPS VHS CASSETTES #S 1 2 CLIP THIS COUPON SEND $5500 check MO GET BOTH VHS TAPES PLUS 1 EA 2 oz HOT STUFF 2 oz SUPER T 3 oz HOT SHOT OFFER GOOD IN US ONLY THRU JUNE 84 PO BOX 836 jp3j SIMICA 93062 805 522-0062 FAI RUBBER Sizes 1/4 3116 18 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA Calif residents add 6% sales taxi Coupe VIII $2386 plus UPS Finished prop Very very complete SEND 500 FOR 1984/1985 CATALOG FA Model Supply Browns ILLUSION WINDY WEATHER FLYER major obstacle consistent 10s pattern flying has always windy weather Dave Brown set out design plane would minimize effect buffety turbulent air result ultra Custom kit includes custom made lightweight epoxy fiber glass fuse belly pan Hand picked lightweightbalsa sheeting wing stab Dave Brown pushrods OB 80 mount Rocket city aileron links necessary machine cut ed parts Photo illustrated instructions Daves airplane reference subtle changes create smooth flying high performance pat tern plane. weather See dealers today discuss drawings photos stories about will appear NFFS Symposium Report will available Nats mail order Hedge yeur bets Im guy Murphy talking about conjured up Murphys First Law anything can go wrong will go wrong dont fly whole lot reactions fine-tuned firmware headhone has softened bit make mistakesbut lot younger people fly lot fre quently smart ones hedge bets spare parts minimum complex gadgetry check lists winding tubes fail-safe procedures hardware others dont waste time such nonsense some win lot stuff However doubt win much would theyd pay attention Murphys First Law long run think lose contests models smart ones forget light fuses use timers timers sometimes fail sometimes back up fuses worst thing about timers forgetting turn have fix too Some guys Joe Bilgri example simply remove start stop levers DT dethermalizer timers let run reset fore launching model forget reset timer better short DT no DT After losing cherished model lack turning DT timer worked out simple scheme now use whenever pos sible lot like rigs Towline Glider fliers use start DT timer towline releases its simplest form wire piece heavy nylon monofilament line stuck through hole timer mount such way prevent escapement working big red flag tied end thing will serve reminder youre supposed pull out before launching model another form works like using commercial mechanical timer Tatone-type having start-stop lever loosen up lever flops freely Attach spring rubberband to pull position Arrange pull-pin hold off position can figure out rest story figure macho sporting lose models contests dont have figure fixes Ive suggested too much trouble dont read foregoing item Bob Meuser 4200 Gregory St Oakland CA 94619 CL Scale/Boss continued oaae 72 three volts placed across lights lit switch advanced Position No 2 lights turned off power 15 volts placed across bomb bay door motor-drive causing bomb bay doors opened doors fully opened Open limit-switch actuated motor drive turned off point bomb bay Closed limit-switch still closed Advancing rotary switch Position No 3 causes bomb bay door closed circuit actuated doors completely closed Closed door limitswitch open once again turning circuit off Advancing rotary switch time puts switch fourth Off position cycle can now repeated On-Off switch shown wiring sketch essential can eliminated desired used means turning off bomb bay motor-drive circuit prevent operation during times model static display Please note voltages battery sup ply shown wiring sketch operation three-volt grain-of-wheat bulbs homemade geared-motor drive bomb bay door operation should de cide use idea will have adjust battery supply voltage required devices will operating Clarification February March 1984 columns detailed Electric Servo Operating System CL Scale models spoke about use two different types insulated lines Pylon Brand Sullivan Products 018 lines other 027 stainless steel fishing leader pictures written material described July 1984 169 44 sleek Illusion Refinements include half-hidden pipe easy service yet re duces dragso larger plane flies same speed lower wing loading higher wing location lessens effect turbulence reduced stab anhedral minimizes up down pitching crosswinds higher wing taper ratio improves aileron response