John Preston Safety025 Comes First C Peppertree Ln Sliver Spring MD 20906 column provided address items concern regarding safety aspects model aviation actMtles Content column however opinion author does necessarily represent official position Academy Model Aeronautics Good mannerssafe flying Statistics prop danger Safe starter Tips CL line clips Three unusual safety tips MANNERS safety opinion polite fly ing directly related safe flying opinion reinforced incident described re cent letter Texas modeler name club Im withholding ensure dont create bad feelings within club members club required fly accordance AMA Safety Code ob serve certain flying field rules Some important rules require pilots announce intentions other fliers such calling out Taking off Landing Dead-stick prior execut ing functions necessary flier enter onto cross runway also must announced acknowledged other pilots letter writer stated once fractions occur penalties may assessed could result removal club particular incident described will relate letter writers own words evening flying Standard-size Sailplane another member flying Pattern plane making low high-speed passes over runway concluded last flight towline landed diagonally across runway As began its retrieval advised other flier would crossing active run way please keep clear said land let know would clear run way responded affirmatively reached about middle runway heard howl approaching model Looking up saw pass overhead about 20-ft altitude traveling about 70 90 mph continued towline retrieval again heard howl approaching Pattern plane Before could move model passed 10 15 ft overhead descending path clipped some tall grass beyond runway proceeded zoom up shred itself passing through some power lines beyond boundary field now wingless fuselage tail assembly engine still full power described ballis tic arc impacted close nearby light indus trial area Before got back pit area Pattern pilot departed salvage wreck age next club meeting reviewed inci dent club officers members present recommended 1 ban low passes over runway 2 refocus members tention existing club rules runway/fly ing conflict pointed out present 30 years modeling Ive wit nessed several injuries death resulting Continued page 16 JLaJ j$4w AWtK dw1rd&QJ 44 f2PW742-te A 4/1/0 Ito- Model Aviation Charles Holden demonstrates safe starter system built field box information device months column Note built-in kneeling pad t4 Functions .......4-6 2 Cycle Engine .....90-1 2 4 Cycle Engine..... 12-16 RC model activities wish see others Furthermore under conditions cident pilot model lost control ear lier would have time evade oncom ing model its specific target also formed officers such accident would cause us great trauma could also result permanent loss field noted some two years ago due safety infractions use field sus pended three months four us worked very long hard develop stronger safety conduct rules better field layout order once again secure permission use field outcome meeting deci sion send offender citation/warning let ter 2 Make request fliers make low passes beyond runway 3 Admonish members pay better attention club rules 4 Ask active control safety officers thoroughly satisfied mea sures accepted majority rule preceding account reminded inci dent involving thoughtlessness occurred years ago field used fly Vir ginia grass runway spring used have field day willing work would attempt repair ravages winter particular occasion field closed flying member operating rented power roller runway try smooth Out bumps Apparently member didnt get message about field being closed showed up fly ignored fact roller op erating runway took off proceeded make low passes over roller its operator Continued page 18 Newt Historically Presentedi qj 87 Cort JN4 Jenny 537 81 OH M5ecltc 86 5 84 Pobber 07 Pt $39r 108 OH Metqetannb 5 oyle GeeBne $32 98 Steer 921 yKeydet g 60 Hacerd Pete Race $35 99 NBlk Widow P61 60 Soporenerine 0dB $24 71 Doog DC3 CAll 89 Soperonerine 068 $35 95 Deag DC3 Cdl 63 Cert Hawk P6E $42 86 Hewk Teoooe 13 94Cott Hark P6E $54t 64 Stool OkyCar 74 Doelifflee 08 11 $48 72 Cor0201 /4 L&0 90 Monocoopo Sped $36t 108 Co 0201/4 L&S 06* 50 Hell Opt Relideg $43160 Oaoglae M3 Meil 107 Aetenca C3 Opt 535 68 Brietol Boildeg Pt oward Bern Ike $40 59 BrwnRece MeLA $ 78 Torn WW Roc 535 101 Grow Boe,t PBP $ 63 Cot Gohk P1 iC $42 69 Lindbg NX21 1$ Coehk P1 iC 554 91 Lindberg NX21 $ 66 DoHen Cowet $24 96 WNWlNoe Re $ 62 HowMrMolligon $35 74 C Helldvr SB2C4 $ 94 Hew Mr Molligen $45 108 PeiekPT-19 Tr $ 43 Boeing P26A Ptr $36 60 Weor ToperWing $ 84 Boeing P26A Pt $48 90 TaperWlr8 $ lOdWaro C6 Cobin$55-75 Wectld Lycerder $ 64 Booh C 178 Steg538100 Weetld Lyceeder $ 96 BeerS C 178 Stag$4951 Pord Trient 4-AT Look 11 Eleotta$3076 Pord Trintr 4-AT 82ork ii Eleocre$40ilhloATi1r4AT$ 62 Stineon T/W 087$1896 Bellente Alrtroi $ 81 Stincon T/W SR7$2693 Loening COAwpk $ Stlnten T/W 581 $38- 58 Grow JO-P Dark $ J 59 BrIstol Pt P28 520 78 Grow J3P Dock $ 118 Bristol Ptt P208 $45 134 Leek Air Eopraee $ 74 Torn Peace $45- 42 took Air Eopreee $ 2*r 56 Cor WorFtk P40 $24 83 Lack Air Eaprees $ 60 vogt Cartel 945 $35 77 WWw 121 RedL $ 80 Vegt Corteir P4U $69 63 C Seekawk P7C1 8 70 Lock Llgkttg P38 $38 94 C Snehowk P7C1 $ 56 Rep SeeBee Aw $24 108 Siker 038 Awpk $ ,* 74 RepSeeBee Ant $39 60 Bonieg 100 Sprrt $ ~2L 70 Prper J3 Cob $29 90 Boeing 100 Sport 5 Pipeci3Colr 83972 NerthrrpGewwo $ eek Hodeor Bwb 538 96 Nertkroir Gewwo $ -63 Grow P6P Hellcat $2890 StincA Law 3/MS 77 Boeing Bl7GPart$3560 OtircA Law 5/M $ 105 Bee 81 TG Port $55150 StirA Low 3/M 68 Wantl Wkirlwind $3278 CrnelCetP8YSA 68 NNevion $3P 104 CcnCetPBSSA $ Awe 68 8 Bonenee VTail $59 65 MCIine Clippee 77 Loerewbe Sedee $25 97 MCIire Clipper $ 72 N 8 25 Bewker 049 62 Cortic NC4 $ 6514 Merooda 826 549 94 Cotti, NC4 $ ortrccce Irrlronro guorrrtoceatonrUo OrrrldOS 1400 50 Up 6125 Pen Aiwoy Add 10% order chipping & in, etc USA Co&McoElcewhecit 15%125Sifkyei riccaiol retelog 0200 linclodec Price Lirti Pice Certion alone 0100 Ilk9 ai foeiar odd $100 9rUOcrwrcro,Pht 5ISPMEST 0555 2161961 31 Experienced builders will enjoy classic model world renowned Spitfire Mk Ix Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear MADE IN THE USA CONTACT YOUR LOCAL DEALER Wing Span88tt Wing Area1270 sqtt Fuselage Length77tt Weight12-14 lbs C EYE NDS GREAT PLANS - FOR GIANTSC ALE BUFFS BLUES CA getting down get protected CA mask Safety Plus mask will eliminate CA fumes epoxy polyester resin vapors air breath Lightweight easy breathing comfortable CA Mask $1595 Paint Mask $2045 See hobby dealer first doesnt have what need order direct Safety Plus PO Box 1173 Dept 12M Clinton Mississippi 39056 Call toll free 1-800-842-7233 Mississippi dial 601-924-%40 VISA MASTERCARD accepted COD add $250 shipping handling included Dealer Inquiries Invited PEu5 16 Model Aviation PROVEN PERFORMANC W ebra engines offer finest German engineering wide range size power applications R/C hobbyist en gines famous reliability lasting perform ance power spare Silverlines no ex ception Another great addition Webra line-up engines feature side exhaust front intake scavenged porting ringed piston ball bearing supported crankshaft TN bar rel type carburetor demand state-of-the-art technology unparalleled performance next engine become part Webra family #WEJO22RCS Silverline 40 muffler #WE1O2ORCS Silverline 61 muffler Engine Size 40 61 OutputRPM-Range HPRPM/mon 902000-1 5500 1452000-14000 650210019991093 9x710x4 1000240022001516 11x711x8 Available hobby stores everywhere 1J Distributed Hobby Dynamics Distributors PO Box 3726 Champaign IL 61826-3726 Phone 1-217-355-0022 , kqnamics 12 wflgspOj~ 4flger 18 wingspan propeller dnoon N A-J Hornet U HistoriciSis folding WingSpan Hand MadeN Ready-to-Fly Balsa Wood Model Airplanes404 Interceptor YES Please RUSH _____ A- Classic 3-Packs include 74 Fighter A-J Hornet & 404 Interceptor Pack $1995 plus $300 shipping & handling Add 5150 2nd-Day UPS Needless say roller operator quickly put end discourteous dangerous activity threatening perform dire deeds flier model used live Virginia morning drove job Maryland would pass sign bridge crossing Potomac River stated Entering Maryland Please Drive Gently Perhaps should adopt same slo gan RC flying activities Please Fly Gently Propellers revisited guess long con tinue use propellers models provide propulsive force am going writing warnings about exposed potential finger Ia cerators During last month mailperson delivered letters reporting four incidents propeller blades parting company hub may recall incident mentioned January 1990 Safety column described letter received Sidney Sharp Sidney run ning 14 x 6 prop 120-cu-in four-stroke engine both blades let loose Fortunately no injury resulted Sidney some suggestions didnt use January column additional reports prop failures lead lieve should have passed Sidney suggested following might consider encouraging read ers write vendor manufacturer incidents such copy AMA HQ AMA might keep file reports number incidents pro duct manufacturer seller would able claim ignorance defect product limitation hoped would im Continued page 20 NEW ~j2VHS-4 HOUR FORMAT ape youve ing finally herell youre new tho hobby just wont learn secret atwood plane construction YOU PLANE VIDEO Presents BUILDING IT RIGHT THE FIRST TI FIRST NO-NONSENSE VIDEO OF WOOD AIRCRAFT CONSTRUCTION APPROX 4 HOURS ON Radio Installation o Straight wing building o Installing hinges 0 Shear webbing o ApplyIng FG cloth OSerno installation Setting up anew radio 0 Built-up tail surfaces C Slab tail surfaces C Aileron installation o Fuel tank installatlo o New engine setup e Fuselage constructit OBUILDING STRAIGH Installing pushrods o Covering film Eliminating warps o Aligning Balancing o Final checkout OFLuS MUCH MORE CREDIT CARD CUSTOMERS Use toll tree number place order Have lIS4 MasterCard VISA ready call OR mail 524BS S & TO PLANE VIDEO MaSterCardRO Box 23125 Des Moines IA 50322 Iowa residents add 4%sales 18003838251 18 Model Aviation DisplcmntBoreStroke WeightProp ccmmmmmozSize Speed 40 & 6i Silverline Engine CityState Zip Send checker money order A-J Manulacloring Inc 0 PO Boo 68132 APortland OR 97265 15031 653-2038 Peifect Stability gyro output reverse switch neutral adjust trimmer precise rudder servo neutral adjustment Airtronics SG-1 Precision Ball Bearing Gyroscope System compact helicopter single axis gyro incorates advanced technological features out standing flight performance ancf maneuverability Designed easy instal lation setup adjustment SG-1 provides superior stability control demand ing fl conditions economically-priced gyro features ball-beanng equipped gimbal regulated gyro motor voltage supply easy mounting connector system convenient gyro setup in-flight onloff operation dual sensitivity precision SG-1 gyro automatically senses movement directs proper command appropriate servo mixer amplifier utilizes automatic power source selector 96252 SG-I Gyro S ecifications Power Supply 4 cell 48 Volt common power 5 Cell 6 Volt separate power Motor Running Current 130 MA DC Amplifier Current 30 MA DC Dimensions Gyroscopel69 x 148 x 169 Mixer Amp244 x 136 x 075 Control Box095 x 134 x 075 Weight Gyroscope254 oz Mixer AmpI09 oz Control Box006 oz Detection Method Hall Effect Sensor SG-1 Gyro offers perfect blend stability per formance compatibility wit Airtronics RIC systems Set Standani RONICS 11 Autry Irvine CA 92718714 83C information about Airtronics quality products please call write address above Geared $ 0771 Geared $11046 Geared $12745 Geared $16145 Geared $16696 Geared $21671 $0296 $5500 $3200 $5556 $3196 H0bbY Horn - hobby specralues ASTRO FLIGHT SYSTEMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ e920 ChalleegerCebae7cell O5Direct $lOe21 CtraltengerCobaltI2cen 15 Direct $14020 ChallengerCobalt 14 CCI 25 Direct $16070 Challenger Cobah 18 eel 40 Direct $19545 ChallengerCobalt 24 cell 60 Direct $28471 Astro Dc/Dc Super Charger up 1028 cells Astro AC/DC Charger current adject Pare DC/DC Charger Astro Electric Throttle Astre OnDO Meter Cenlrsl Electronic AQEQRLE Andereon Power Pole Connector 4 housings /4 pins$200 /pr ctold Pie Moles Connecter$210 /pr Tarniyu Connector$150 /pr Hi-Flee WIre 30 ea red & bled 16 GaJ240 Strand$200 Daveys 3OAnVMetert$1995 Micro Swftch Hameost$450 3/16 Flat Braidloroeldeang Batteries$050/c Heal Shrink Tubing Batteries 20 ter550AR900& 12005CR Flat Packs$150 /5 3 br 800AR Flat Packs$160 / 0 4 tsr 600AR & 1200SCR Stacked Pucko0185/0 SANYO CUT-OFF RATTERY PACKSt S 4Celt 45OrnA$1950 OCell 450mA$2300 450AR $3OOea eCell 600mA$2020 7Cell eOOrnA$3310 SOSAR $355ea 6Col OOOmA$29e0 7Cell 900rnA$33e0 9000CR $4OOeu 6 Cell l200mA $2920 7 Cell l200mA $3310 1 2005CR$395ea packs weed eat packs t Please opecOy desired connectore ELECTRIC POWER KITS MMC Ultra MK IV 60 Span Saliglane 05 Gear$2786 MMC Electric Playboy 67 Span Old flreer bOO Gear$2600 Astro Challenger 73 Span Sailplane bOO Gear$3250 EMO Electra GIde II 73 Span Sailplane ter 00$3100 EMD Therotic Traveler Sailplane 76 Span tsr 05$3100 EMD Sky Knight 44 Span Trainer 1005$2400 EMO Lightning 39 Span Aerebatic Sport Model tsr 05$2400 MMC Fast bridie Aerobatic Sport Model tsr 05$2400 Astro Snort 37$2400 oParrRereoascorrMeoeltorsb OHIPPING & HANOLtNG76 Puge CATALOGUE Up to$600 add$200$2ddyp/lst Class free 0801 $2000 add$250when requested order $2001 $4500 add$325 $4501 $7000 add$375 Over $70Ooadd$450HOBBY HORN CA Addreusees add 6% tue Seed 3 Moron St [A] MO VISA/MC #6 hap Date Box 2212 Check allaw up 30 days tsrWeotminoter Ca 92884 check clearuece COD t charges plus Si 4 8938311 handling Cash OnlyHt0 Mon-Fri 9AM 5PM prove product give printed warnings attorney seller got some sepa rate incident letters would have seller react immediately seller would have react knew anyone lawsuit situation could sub poena AMA records incidents show seller/manufacturer previous knowledge defects doubt aware since 1973 has requirement manufac turers distributors retailers products re port defective products federal govern ment Section 15 consumer Product safety Act states manufacturer consumer product distributed commerce distributor retailer such product obtains informa tion reasonably supports conclusion such product contains defect could create substantial product hazard described subsection a2 shall immediately inform Commission such defect commission referred above Con sumer Product Safety Commission CPSC mentioned last months Safety column question what point does vendor reach conclusion he/she has sold prod uct could create substantial product haz ard opinion single report propel ler blade being shed hub hardly likely convince hypothetical vendor Ive sold whole batch defective props know modeler informed such incident may have experienced several hard land ings prop contacted ground prior its eventually throwing blade other Continued poge 22 20 Model Aviation hand receive several such reports dont think should ignored endorse Sidneys suggestion modelers ex periencing product failure whether prop other item should encouraged write vendor and/or AMA HQ However AMA HQ should write AMA Safety Committee hut doesnt appear very active present suggestion would contact AMA Tech nical Director Bob Underwood Bob probably wont like suggesting him recipient letters complaint hut doubt hes going inundated such letters past experience writing column modelers nonmodelers have have strong motiva tion before committing pen paper However urge consider dratting short letter distributor AMA experience incident believe have caused defective product Safe starter Charles Holden joined ranks RCers just two years ago has already built sev eral models field box minimizes enginestarting/propeller accidents see photo elsewhere coluntn field box contains what appears Sul livan starter has mounted slight pressure prop spinner against starter cone energizes motor type starting arrangement has used number CL Speed fliers several years Since behind prop during entire starting op eration chances contacting mini mized Charles has equipped flight box cover unfolds becomes kneeling pad prevent box moving during start ing operation also keeps users knees out mud Charles concluded letter stat ing inquiries made plans kits etc can reached 13750 Dc Foe Ave Sylmar CA 91342 phone 1-818/362-2459 interested suggest drop him line give him call Remote glow plug Connector November 1989 Safety column mentioned engine test stand provision attaching selfcontained Ni-Cd glow plug igniter Ni-Starter0 other brand remote engine column said remote connection selfcontained Ni-Cd starter model itself would good idea since would keep fingers away prop arc also stated wasnt aware such product So much knowledge products market Lloyd Zink wrote informed McDaniel R/C Inc has such product let ter Floyd Yovanovitch told uses marketed Thunder Tiger also conversation Bob McDaniel subject during suggested inform readers Ni-Starter0 should left place attached plug engine af ter engine starts Although Ni-Starter0 locks place weight battery sub jected vibration running engine can pro duce some pretty large stresses Remove start er after engine fires up use remote attach ment want keep battery power plug Safety notes Under title Safety Notes George Wilson sent copies part text recent issue Discovery Flying RC Club newsletter Three safety tips follow Mark Massonis 60-size engine started with22 Model Aviation RED MAX PREMIUM FUELI fuel beginners ft sport flyers should use Avail synthetic castor blend RED MAX 094668563560056614300 RED MAX 5109079574572565120004 RED MAX 10129089584580872524972 ______ RED MAX 12144098392886077228192 _______ RED MAX 1515901070101091482031412 _______ RED MAX RACING FUEL Trophy winner planes boats ft cers two boet blends castor ok up 40% nltro REDMAX2O1745124511701125102543188 RED MAX 251990142013301264119450272 RED MAX 402608193318061716153971708 RED MAX 513183228321231973176685968 RED MAX 6032202395222521231998100228 F RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power 10-4 CYCLE1290 895 845 808 72524972 15-4 CYCLE 1590 1070 1010 914 820 31412 RED MAX HELICOPTER FUEL Extremely smooth running extra dafoemer drk color special heavy oIl hellcptrs l0Helicopter 1340 945 895 858 775 27672 151-Irlicoprer 1640 1120 1060 964 870 34112 RED MAX PERFORMANCE FUEL High flash poInt heavy oil use tuned pipes ductad fan ft other heavy dty app 5 Performance114084579677570122704 _______ ....10 Performance 134094589585877527672 _______ .l5Performance 16401120106096487034112 _______ Power easy starting power Smooth take offs power intricate maneuvers Red Max makes engine Come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs Secret gredients keep engine last ing longer running power fully other _____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better _____wear char acteristics _____other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals No hand ling charge Freight collect drums Deduct 3% prepay Mix sty qty Total qry deter mines price SC orders add 5% sales tax Dealer end club prices avail Accept credit cards checks COD ICOD add $2 per cartonl Personal checks may held until cleared OTYFUEL1 GAL 4 GAL 24 GAL 60 GAL 128 Gel 164 GAL TOTAL $ ordered MIXTUREI DRUMAMT RED MAX FUEL Continued page 107 RED MAX PATTERN FUEL Proven beat fuel pattern engines using pumps tuned pipes S Pattern 1108 810 760 740 666 120804 10 Pattern 1305 910 860 823 740 28372 15 Pattern 1608 1085 1025 929 835 28692 SUPER TIGER 3080 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 1290895845808725 24972 RED MAX DIESEL FUEL Superior diesel beck list popular demand cuatomers Dell Bearings 1767 1326 1290 1164 1060 Diaael6eeiigs 1867 1426 1390 1264 1160 SMOKER FLUID beat smoker fluid 2 4 cycle engines Smoker Fluid1290 895 845 808 725 24972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon boats-cas-hellcoptersspeedpatternscalefl scaie-kevar-lonltbon-st3000 PLEASE PRINT NA5A AAY CTDT Grand Total CITY STATE ZIP CARD TYPE AND MA EXPIRATION DATE EYi Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 14, 16, 18, 20, 22, 107
John Preston Safety025 Comes First C Peppertree Ln Sliver Spring MD 20906 column provided address items concern regarding safety aspects model aviation actMtles Content column however opinion author does necessarily represent official position Academy Model Aeronautics Good mannerssafe flying Statistics prop danger Safe starter Tips CL line clips Three unusual safety tips MANNERS safety opinion polite fly ing directly related safe flying opinion reinforced incident described re cent letter Texas modeler name club Im withholding ensure dont create bad feelings within club members club required fly accordance AMA Safety Code ob serve certain flying field rules Some important rules require pilots announce intentions other fliers such calling out Taking off Landing Dead-stick prior execut ing functions necessary flier enter onto cross runway also must announced acknowledged other pilots letter writer stated once fractions occur penalties may assessed could result removal club particular incident described will relate letter writers own words evening flying Standard-size Sailplane another member flying Pattern plane making low high-speed passes over runway concluded last flight towline landed diagonally across runway As began its retrieval advised other flier would crossing active run way please keep clear said land let know would clear run way responded affirmatively reached about middle runway heard howl approaching model Looking up saw pass overhead about 20-ft altitude traveling about 70 90 mph continued towline retrieval again heard howl approaching Pattern plane Before could move model passed 10 15 ft overhead descending path clipped some tall grass beyond runway proceeded zoom up shred itself passing through some power lines beyond boundary field now wingless fuselage tail assembly engine still full power described ballis tic arc impacted close nearby light indus trial area Before got back pit area Pattern pilot departed salvage wreck age next club meeting reviewed inci dent club officers members present recommended 1 ban low passes over runway 2 refocus members tention existing club rules runway/fly ing conflict pointed out present 30 years modeling Ive wit nessed several injuries death resulting Continued page 16 JLaJ j$4w AWtK dw1rd&QJ 44 f2PW742-te A 4/1/0 Ito- Model Aviation Charles Holden demonstrates safe starter system built field box information device months column Note built-in kneeling pad t4 Functions .......4-6 2 Cycle Engine .....90-1 2 4 Cycle Engine..... 12-16 RC model activities wish see others Furthermore under conditions cident pilot model lost control ear lier would have time evade oncom ing model its specific target also formed officers such accident would cause us great trauma could also result permanent loss field noted some two years ago due safety infractions use field sus pended three months four us worked very long hard develop stronger safety conduct rules better field layout order once again secure permission use field outcome meeting deci sion send offender citation/warning let ter 2 Make request fliers make low passes beyond runway 3 Admonish members pay better attention club rules 4 Ask active control safety officers thoroughly satisfied mea sures accepted majority rule preceding account reminded inci dent involving thoughtlessness occurred years ago field used fly Vir ginia grass runway spring used have field day willing work would attempt repair ravages winter particular occasion field closed flying member operating rented power roller runway try smooth Out bumps Apparently member didnt get message about field being closed showed up fly ignored fact roller op erating runway took off proceeded make low passes over roller its operator Continued page 18 Newt Historically Presentedi qj 87 Cort JN4 Jenny 537 81 OH M5ecltc 86 5 84 Pobber 07 Pt $39r 108 OH Metqetannb 5 oyle GeeBne $32 98 Steer 921 yKeydet g 60 Hacerd Pete Race $35 99 NBlk Widow P61 60 Soporenerine 0dB $24 71 Doog DC3 CAll 89 Soperonerine 068 $35 95 Deag DC3 Cdl 63 Cert Hawk P6E $42 86 Hewk Teoooe 13 94Cott Hark P6E $54t 64 Stool OkyCar 74 Doelifflee 08 11 $48 72 Cor0201 /4 L&0 90 Monocoopo Sped $36t 108 Co 0201/4 L&S 06* 50 Hell Opt Relideg $43160 Oaoglae M3 Meil 107 Aetenca C3 Opt 535 68 Brietol Boildeg Pt oward Bern Ike $40 59 BrwnRece MeLA $ 78 Torn WW Roc 535 101 Grow Boe,t PBP $ 63 Cot Gohk P1 iC $42 69 Lindbg NX21 1$ Coehk P1 iC 554 91 Lindberg NX21 $ 66 DoHen Cowet $24 96 WNWlNoe Re $ 62 HowMrMolligon $35 74 C Helldvr SB2C4 $ 94 Hew Mr Molligen $45 108 PeiekPT-19 Tr $ 43 Boeing P26A Ptr $36 60 Weor ToperWing $ 84 Boeing P26A Pt $48 90 TaperWlr8 $ lOdWaro C6 Cobin$55-75 Wectld Lycerder $ 64 Booh C 178 Steg538100 Weetld Lyceeder $ 96 BeerS C 178 Stag$4951 Pord Trient 4-AT Look 11 Eleotta$3076 Pord Trintr 4-AT 82ork ii Eleocre$40ilhloATi1r4AT$ 62 Stineon T/W 087$1896 Bellente Alrtroi $ 81 Stincon T/W SR7$2693 Loening COAwpk $ Stlnten T/W 581 $38- 58 Grow JO-P Dark $ J 59 BrIstol Pt P28 520 78 Grow J3P Dock $ 118 Bristol Ptt P208 $45 134 Leek Air Eopraee $ 74 Torn Peace $45- 42 took Air Eopreee $ 2*r 56 Cor WorFtk P40 $24 83 Lack Air Eaprees $ 60 vogt Cartel 945 $35 77 WWw 121 RedL $ 80 Vegt Corteir P4U $69 63 C Seekawk P7C1 8 70 Lock Llgkttg P38 $38 94 C Snehowk P7C1 $ 56 Rep SeeBee Aw $24 108 Siker 038 Awpk $ ,* 74 RepSeeBee Ant $39 60 Bonieg 100 Sprrt $ ~2L 70 Prper J3 Cob $29 90 Boeing 100 Sport 5 Pipeci3Colr 83972 NerthrrpGewwo $ eek Hodeor Bwb 538 96 Nertkroir Gewwo $ -63 Grow P6P Hellcat $2890 StincA Law 3/MS 77 Boeing Bl7GPart$3560 OtircA Law 5/M $ 105 Bee 81 TG Port $55150 StirA Low 3/M 68 Wantl Wkirlwind $3278 CrnelCetP8YSA 68 NNevion $3P 104 CcnCetPBSSA $ Awe 68 8 Bonenee VTail $59 65 MCIine Clippee 77 Loerewbe Sedee $25 97 MCIire Clipper $ 72 N 8 25 Bewker 049 62 Cortic NC4 $ 6514 Merooda 826 549 94 Cotti, NC4 $ ortrccce Irrlronro guorrrtoceatonrUo OrrrldOS 1400 50 Up 6125 Pen Aiwoy Add 10% order chipping & in, etc USA Co&McoElcewhecit 15%125Sifkyei riccaiol retelog 0200 linclodec Price Lirti Pice Certion alone 0100 Ilk9 ai foeiar odd $100 9rUOcrwrcro,Pht 5ISPMEST 0555 2161961 31 Experienced builders will enjoy classic model world renowned Spitfire Mk Ix Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear MADE IN THE USA CONTACT YOUR LOCAL DEALER Wing Span88tt Wing Area1270 sqtt Fuselage Length77tt Weight12-14 lbs C EYE NDS GREAT PLANS - FOR GIANTSC ALE BUFFS BLUES CA getting down get protected CA mask Safety Plus mask will eliminate CA fumes epoxy polyester resin vapors air breath Lightweight easy breathing comfortable CA Mask $1595 Paint Mask $2045 See hobby dealer first doesnt have what need order direct Safety Plus PO Box 1173 Dept 12M Clinton Mississippi 39056 Call toll free 1-800-842-7233 Mississippi dial 601-924-%40 VISA MASTERCARD accepted COD add $250 shipping handling included Dealer Inquiries Invited PEu5 16 Model Aviation PROVEN PERFORMANC W ebra engines offer finest German engineering wide range size power applications R/C hobbyist en gines famous reliability lasting perform ance power spare Silverlines no ex ception Another great addition Webra line-up engines feature side exhaust front intake scavenged porting ringed piston ball bearing supported crankshaft TN bar rel type carburetor demand state-of-the-art technology unparalleled performance next engine become part Webra family #WEJO22RCS Silverline 40 muffler #WE1O2ORCS Silverline 61 muffler Engine Size 40 61 OutputRPM-Range HPRPM/mon 902000-1 5500 1452000-14000 650210019991093 9x710x4 1000240022001516 11x711x8 Available hobby stores everywhere 1J Distributed Hobby Dynamics Distributors PO Box 3726 Champaign IL 61826-3726 Phone 1-217-355-0022 , kqnamics 12 wflgspOj~ 4flger 18 wingspan propeller dnoon N A-J Hornet U HistoriciSis folding WingSpan Hand MadeN Ready-to-Fly Balsa Wood Model Airplanes404 Interceptor YES Please RUSH _____ A- Classic 3-Packs include 74 Fighter A-J Hornet & 404 Interceptor Pack $1995 plus $300 shipping & handling Add 5150 2nd-Day UPS Needless say roller operator quickly put end discourteous dangerous activity threatening perform dire deeds flier model used live Virginia morning drove job Maryland would pass sign bridge crossing Potomac River stated Entering Maryland Please Drive Gently Perhaps should adopt same slo gan RC flying activities Please Fly Gently Propellers revisited guess long con tinue use propellers models provide propulsive force am going writing warnings about exposed potential finger Ia cerators During last month mailperson delivered letters reporting four incidents propeller blades parting company hub may recall incident mentioned January 1990 Safety column described letter received Sidney Sharp Sidney run ning 14 x 6 prop 120-cu-in four-stroke engine both blades let loose Fortunately no injury resulted Sidney some suggestions didnt use January column additional reports prop failures lead lieve should have passed Sidney suggested following might consider encouraging read ers write vendor manufacturer incidents such copy AMA HQ AMA might keep file reports number incidents pro duct manufacturer seller would able claim ignorance defect product limitation hoped would im Continued page 20 NEW ~j2VHS-4 HOUR FORMAT ape youve ing finally herell youre new tho hobby just wont learn secret atwood plane construction YOU PLANE VIDEO Presents BUILDING IT RIGHT THE FIRST TI FIRST NO-NONSENSE VIDEO OF WOOD AIRCRAFT CONSTRUCTION APPROX 4 HOURS ON Radio Installation o Straight wing building o Installing hinges 0 Shear webbing o ApplyIng FG cloth OSerno installation Setting up anew radio 0 Built-up tail surfaces C Slab tail surfaces C Aileron installation o Fuel tank installatlo o New engine setup e Fuselage constructit OBUILDING STRAIGH Installing pushrods o Covering film Eliminating warps o Aligning Balancing o Final checkout OFLuS MUCH MORE CREDIT CARD CUSTOMERS Use toll tree number place order Have lIS4 MasterCard VISA ready call OR mail 524BS S & TO PLANE VIDEO MaSterCardRO Box 23125 Des Moines IA 50322 Iowa residents add 4%sales 18003838251 18 Model Aviation DisplcmntBoreStroke WeightProp ccmmmmmozSize Speed 40 & 6i Silverline Engine CityState Zip Send checker money order A-J Manulacloring Inc 0 PO Boo 68132 APortland OR 97265 15031 653-2038 Peifect Stability gyro output reverse switch neutral adjust trimmer precise rudder servo neutral adjustment Airtronics SG-1 Precision Ball Bearing Gyroscope System compact helicopter single axis gyro incorates advanced technological features out standing flight performance ancf maneuverability Designed easy instal lation setup adjustment SG-1 provides superior stability control demand ing fl conditions economically-priced gyro features ball-beanng equipped gimbal regulated gyro motor voltage supply easy mounting connector system convenient gyro setup in-flight onloff operation dual sensitivity precision SG-1 gyro automatically senses movement directs proper command appropriate servo mixer amplifier utilizes automatic power source selector 96252 SG-I Gyro S ecifications Power Supply 4 cell 48 Volt common power 5 Cell 6 Volt separate power Motor Running Current 130 MA DC Amplifier Current 30 MA DC Dimensions Gyroscopel69 x 148 x 169 Mixer Amp244 x 136 x 075 Control Box095 x 134 x 075 Weight Gyroscope254 oz Mixer AmpI09 oz Control Box006 oz Detection Method Hall Effect Sensor SG-1 Gyro offers perfect blend stability per formance compatibility wit Airtronics RIC systems Set Standani RONICS 11 Autry Irvine CA 92718714 83C information about Airtronics quality products please call write address above Geared $ 0771 Geared $11046 Geared $12745 Geared $16145 Geared $16696 Geared $21671 $0296 $5500 $3200 $5556 $3196 H0bbY Horn - hobby specralues ASTRO FLIGHT SYSTEMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ e920 ChalleegerCebae7cell O5Direct $lOe21 CtraltengerCobaltI2cen 15 Direct $14020 ChallengerCobalt 14 CCI 25 Direct $16070 Challenger Cobah 18 eel 40 Direct $19545 ChallengerCobalt 24 cell 60 Direct $28471 Astro Dc/Dc Super Charger up 1028 cells Astro AC/DC Charger current adject Pare DC/DC Charger Astro Electric Throttle Astre OnDO Meter Cenlrsl Electronic AQEQRLE Andereon Power Pole Connector 4 housings /4 pins$200 /pr ctold Pie Moles Connecter$210 /pr Tarniyu Connector$150 /pr Hi-Flee WIre 30 ea red & bled 16 GaJ240 Strand$200 Daveys 3OAnVMetert$1995 Micro Swftch Hameost$450 3/16 Flat Braidloroeldeang Batteries$050/c Heal Shrink Tubing Batteries 20 ter550AR900& 12005CR Flat Packs$150 /5 3 br 800AR Flat Packs$160 / 0 4 tsr 600AR & 1200SCR Stacked Pucko0185/0 SANYO CUT-OFF RATTERY PACKSt S 4Celt 45OrnA$1950 OCell 450mA$2300 450AR $3OOea eCell 600mA$2020 7Cell eOOrnA$3310 SOSAR $355ea 6Col OOOmA$29e0 7Cell 900rnA$33e0 9000CR $4OOeu 6 Cell l200mA $2920 7 Cell l200mA $3310 1 2005CR$395ea packs weed eat packs t Please opecOy desired connectore ELECTRIC POWER KITS MMC Ultra MK IV 60 Span Saliglane 05 Gear$2786 MMC Electric Playboy 67 Span Old flreer bOO Gear$2600 Astro Challenger 73 Span Sailplane bOO Gear$3250 EMO Electra GIde II 73 Span Sailplane ter 00$3100 EMD Therotic Traveler Sailplane 76 Span tsr 05$3100 EMD Sky Knight 44 Span Trainer 1005$2400 EMO Lightning 39 Span Aerebatic Sport Model tsr 05$2400 MMC Fast bridie Aerobatic Sport Model tsr 05$2400 Astro Snort 37$2400 oParrRereoascorrMeoeltorsb OHIPPING & HANOLtNG76 Puge CATALOGUE Up to$600 add$200$2ddyp/lst Class free 0801 $2000 add$250when requested order $2001 $4500 add$325 $4501 $7000 add$375 Over $70Ooadd$450HOBBY HORN CA Addreusees add 6% tue Seed 3 Moron St [A] MO VISA/MC #6 hap Date Box 2212 Check allaw up 30 days tsrWeotminoter Ca 92884 check clearuece COD t charges plus Si 4 8938311 handling Cash OnlyHt0 Mon-Fri 9AM 5PM prove product give printed warnings attorney seller got some sepa rate incident letters would have seller react immediately seller would have react knew anyone lawsuit situation could sub poena AMA records incidents show seller/manufacturer previous knowledge defects doubt aware since 1973 has requirement manufac turers distributors retailers products re port defective products federal govern ment Section 15 consumer Product safety Act states manufacturer consumer product distributed commerce distributor retailer such product obtains informa tion reasonably supports conclusion such product contains defect could create substantial product hazard described subsection a2 shall immediately inform Commission such defect commission referred above Con sumer Product Safety Commission CPSC mentioned last months Safety column question what point does vendor reach conclusion he/she has sold prod uct could create substantial product haz ard opinion single report propel ler blade being shed hub hardly likely convince hypothetical vendor Ive sold whole batch defective props know modeler informed such incident may have experienced several hard land ings prop contacted ground prior its eventually throwing blade other Continued poge 22 20 Model Aviation hand receive several such reports dont think should ignored endorse Sidneys suggestion modelers ex periencing product failure whether prop other item should encouraged write vendor and/or AMA HQ However AMA HQ should write AMA Safety Committee hut doesnt appear very active present suggestion would contact AMA Tech nical Director Bob Underwood Bob probably wont like suggesting him recipient letters complaint hut doubt hes going inundated such letters past experience writing column modelers nonmodelers have have strong motiva tion before committing pen paper However urge consider dratting short letter distributor AMA experience incident believe have caused defective product Safe starter Charles Holden joined ranks RCers just two years ago has already built sev eral models field box minimizes enginestarting/propeller accidents see photo elsewhere coluntn field box contains what appears Sul livan starter has mounted slight pressure prop spinner against starter cone energizes motor type starting arrangement has used number CL Speed fliers several years Since behind prop during entire starting op eration chances contacting mini mized Charles has equipped flight box cover unfolds becomes kneeling pad prevent box moving during start ing operation also keeps users knees out mud Charles concluded letter stat ing inquiries made plans kits etc can reached 13750 Dc Foe Ave Sylmar CA 91342 phone 1-818/362-2459 interested suggest drop him line give him call Remote glow plug Connector November 1989 Safety column mentioned engine test stand provision attaching selfcontained Ni-Cd glow plug igniter Ni-Starter0 other brand remote engine column said remote connection selfcontained Ni-Cd starter model itself would good idea since would keep fingers away prop arc also stated wasnt aware such product So much knowledge products market Lloyd Zink wrote informed McDaniel R/C Inc has such product let ter Floyd Yovanovitch told uses marketed Thunder Tiger also conversation Bob McDaniel subject during suggested inform readers Ni-Starter0 should left place attached plug engine af ter engine starts Although Ni-Starter0 locks place weight battery sub jected vibration running engine can pro duce some pretty large stresses Remove start er after engine fires up use remote attach ment want keep battery power plug Safety notes Under title Safety Notes George Wilson sent copies part text recent issue Discovery Flying RC Club newsletter Three safety tips follow Mark Massonis 60-size engine started with22 Model Aviation RED MAX PREMIUM FUELI fuel beginners ft sport flyers should use Avail synthetic castor blend RED MAX 094668563560056614300 RED MAX 5109079574572565120004 RED MAX 10129089584580872524972 ______ RED MAX 12144098392886077228192 _______ RED MAX 1515901070101091482031412 _______ RED MAX RACING FUEL Trophy winner planes boats ft cers two boet blends castor ok up 40% nltro REDMAX2O1745124511701125102543188 RED MAX 251990142013301264119450272 RED MAX 402608193318061716153971708 RED MAX 513183228321231973176685968 RED MAX 6032202395222521231998100228 F RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power 10-4 CYCLE1290 895 845 808 72524972 15-4 CYCLE 1590 1070 1010 914 820 31412 RED MAX HELICOPTER FUEL Extremely smooth running extra dafoemer drk color special heavy oIl hellcptrs l0Helicopter 1340 945 895 858 775 27672 151-Irlicoprer 1640 1120 1060 964 870 34112 RED MAX PERFORMANCE FUEL High flash poInt heavy oil use tuned pipes ductad fan ft other heavy dty app 5 Performance114084579677570122704 _______ ....10 Performance 134094589585877527672 _______ .l5Performance 16401120106096487034112 _______ Power easy starting power Smooth take offs power intricate maneuvers Red Max makes engine Come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs Secret gredients keep engine last ing longer running power fully other _____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better _____wear char acteristics _____other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals No hand ling charge Freight collect drums Deduct 3% prepay Mix sty qty Total qry deter mines price SC orders add 5% sales tax Dealer end club prices avail Accept credit cards checks COD ICOD add $2 per cartonl Personal checks may held until cleared OTYFUEL1 GAL 4 GAL 24 GAL 60 GAL 128 Gel 164 GAL TOTAL $ ordered MIXTUREI DRUMAMT RED MAX FUEL Continued page 107 RED MAX PATTERN FUEL Proven beat fuel pattern engines using pumps tuned pipes S Pattern 1108 810 760 740 666 120804 10 Pattern 1305 910 860 823 740 28372 15 Pattern 1608 1085 1025 929 835 28692 SUPER TIGER 3080 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 1290895845808725 24972 RED MAX DIESEL FUEL Superior diesel beck list popular demand cuatomers Dell Bearings 1767 1326 1290 1164 1060 Diaael6eeiigs 1867 1426 1390 1264 1160 SMOKER FLUID beat smoker fluid 2 4 cycle engines Smoker Fluid1290 895 845 808 725 24972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon boats-cas-hellcoptersspeedpatternscalefl scaie-kevar-lonltbon-st3000 PLEASE PRINT NA5A AAY CTDT Grand Total CITY STATE ZIP CARD TYPE AND MA EXPIRATION DATE EYi Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 14, 16, 18, 20, 22, 107
John Preston Safety025 Comes First C Peppertree Ln Sliver Spring MD 20906 column provided address items concern regarding safety aspects model aviation actMtles Content column however opinion author does necessarily represent official position Academy Model Aeronautics Good mannerssafe flying Statistics prop danger Safe starter Tips CL line clips Three unusual safety tips MANNERS safety opinion polite fly ing directly related safe flying opinion reinforced incident described re cent letter Texas modeler name club Im withholding ensure dont create bad feelings within club members club required fly accordance AMA Safety Code ob serve certain flying field rules Some important rules require pilots announce intentions other fliers such calling out Taking off Landing Dead-stick prior execut ing functions necessary flier enter onto cross runway also must announced acknowledged other pilots letter writer stated once fractions occur penalties may assessed could result removal club particular incident described will relate letter writers own words evening flying Standard-size Sailplane another member flying Pattern plane making low high-speed passes over runway concluded last flight towline landed diagonally across runway As began its retrieval advised other flier would crossing active run way please keep clear said land let know would clear run way responded affirmatively reached about middle runway heard howl approaching model Looking up saw pass overhead about 20-ft altitude traveling about 70 90 mph continued towline retrieval again heard howl approaching Pattern plane Before could move model passed 10 15 ft overhead descending path clipped some tall grass beyond runway proceeded zoom up shred itself passing through some power lines beyond boundary field now wingless fuselage tail assembly engine still full power described ballis tic arc impacted close nearby light indus trial area Before got back pit area Pattern pilot departed salvage wreck age next club meeting reviewed inci dent club officers members present recommended 1 ban low passes over runway 2 refocus members tention existing club rules runway/fly ing conflict pointed out present 30 years modeling Ive wit nessed several injuries death resulting Continued page 16 JLaJ j$4w AWtK dw1rd&QJ 44 f2PW742-te A 4/1/0 Ito- Model Aviation Charles Holden demonstrates safe starter system built field box information device months column Note built-in kneeling pad t4 Functions .......4-6 2 Cycle Engine .....90-1 2 4 Cycle Engine..... 12-16 RC model activities wish see others Furthermore under conditions cident pilot model lost control ear lier would have time evade oncom ing model its specific target also formed officers such accident would cause us great trauma could also result permanent loss field noted some two years ago due safety infractions use field sus pended three months four us worked very long hard develop stronger safety conduct rules better field layout order once again secure permission use field outcome meeting deci sion send offender citation/warning let ter 2 Make request fliers make low passes beyond runway 3 Admonish members pay better attention club rules 4 Ask active control safety officers thoroughly satisfied mea sures accepted majority rule preceding account reminded inci dent involving thoughtlessness occurred years ago field used fly Vir ginia grass runway spring used have field day willing work would attempt repair ravages winter particular occasion field closed flying member operating rented power roller runway try smooth Out bumps Apparently member didnt get message about field being closed showed up fly ignored fact roller op erating runway took off proceeded make low passes over roller its operator Continued page 18 Newt Historically Presentedi qj 87 Cort JN4 Jenny 537 81 OH M5ecltc 86 5 84 Pobber 07 Pt $39r 108 OH Metqetannb 5 oyle GeeBne $32 98 Steer 921 yKeydet g 60 Hacerd Pete Race $35 99 NBlk Widow P61 60 Soporenerine 0dB $24 71 Doog DC3 CAll 89 Soperonerine 068 $35 95 Deag DC3 Cdl 63 Cert Hawk P6E $42 86 Hewk Teoooe 13 94Cott Hark P6E $54t 64 Stool OkyCar 74 Doelifflee 08 11 $48 72 Cor0201 /4 L&0 90 Monocoopo Sped $36t 108 Co 0201/4 L&S 06* 50 Hell Opt Relideg $43160 Oaoglae M3 Meil 107 Aetenca C3 Opt 535 68 Brietol Boildeg Pt oward Bern Ike $40 59 BrwnRece MeLA $ 78 Torn WW Roc 535 101 Grow Boe,t PBP $ 63 Cot Gohk P1 iC $42 69 Lindbg NX21 1$ Coehk P1 iC 554 91 Lindberg NX21 $ 66 DoHen Cowet $24 96 WNWlNoe Re $ 62 HowMrMolligon $35 74 C Helldvr SB2C4 $ 94 Hew Mr Molligen $45 108 PeiekPT-19 Tr $ 43 Boeing P26A Ptr $36 60 Weor ToperWing $ 84 Boeing P26A Pt $48 90 TaperWlr8 $ lOdWaro C6 Cobin$55-75 Wectld Lycerder $ 64 Booh C 178 Steg538100 Weetld Lyceeder $ 96 BeerS C 178 Stag$4951 Pord Trient 4-AT Look 11 Eleotta$3076 Pord Trintr 4-AT 82ork ii Eleocre$40ilhloATi1r4AT$ 62 Stineon T/W 087$1896 Bellente Alrtroi $ 81 Stincon T/W SR7$2693 Loening COAwpk $ Stlnten T/W 581 $38- 58 Grow JO-P Dark $ J 59 BrIstol Pt P28 520 78 Grow J3P Dock $ 118 Bristol Ptt P208 $45 134 Leek Air Eopraee $ 74 Torn Peace $45- 42 took Air Eopreee $ 2*r 56 Cor WorFtk P40 $24 83 Lack Air Eaprees $ 60 vogt Cartel 945 $35 77 WWw 121 RedL $ 80 Vegt Corteir P4U $69 63 C Seekawk P7C1 8 70 Lock Llgkttg P38 $38 94 C Snehowk P7C1 $ 56 Rep SeeBee Aw $24 108 Siker 038 Awpk $ ,* 74 RepSeeBee Ant $39 60 Bonieg 100 Sprrt $ ~2L 70 Prper J3 Cob $29 90 Boeing 100 Sport 5 Pipeci3Colr 83972 NerthrrpGewwo $ eek Hodeor Bwb 538 96 Nertkroir Gewwo $ -63 Grow P6P Hellcat $2890 StincA Law 3/MS 77 Boeing Bl7GPart$3560 OtircA Law 5/M $ 105 Bee 81 TG Port $55150 StirA Low 3/M 68 Wantl Wkirlwind $3278 CrnelCetP8YSA 68 NNevion $3P 104 CcnCetPBSSA $ Awe 68 8 Bonenee VTail $59 65 MCIine Clippee 77 Loerewbe Sedee $25 97 MCIire Clipper $ 72 N 8 25 Bewker 049 62 Cortic NC4 $ 6514 Merooda 826 549 94 Cotti, NC4 $ ortrccce Irrlronro guorrrtoceatonrUo OrrrldOS 1400 50 Up 6125 Pen Aiwoy Add 10% order chipping & in, etc USA Co&McoElcewhecit 15%125Sifkyei riccaiol retelog 0200 linclodec Price Lirti Pice Certion alone 0100 Ilk9 ai foeiar odd $100 9rUOcrwrcro,Pht 5ISPMEST 0555 2161961 31 Experienced builders will enjoy classic model world renowned Spitfire Mk Ix Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear MADE IN THE USA CONTACT YOUR LOCAL DEALER Wing Span88tt Wing Area1270 sqtt Fuselage Length77tt Weight12-14 lbs C EYE NDS GREAT PLANS - FOR GIANTSC ALE BUFFS BLUES CA getting down get protected CA mask Safety Plus mask will eliminate CA fumes epoxy polyester resin vapors air breath Lightweight easy breathing comfortable CA Mask $1595 Paint Mask $2045 See hobby dealer first doesnt have what need order direct Safety Plus PO Box 1173 Dept 12M Clinton Mississippi 39056 Call toll free 1-800-842-7233 Mississippi dial 601-924-%40 VISA MASTERCARD accepted COD add $250 shipping handling included Dealer Inquiries Invited PEu5 16 Model Aviation PROVEN PERFORMANC W ebra engines offer finest German engineering wide range size power applications R/C hobbyist en gines famous reliability lasting perform ance power spare Silverlines no ex ception Another great addition Webra line-up engines feature side exhaust front intake scavenged porting ringed piston ball bearing supported crankshaft TN bar rel type carburetor demand state-of-the-art technology unparalleled performance next engine become part Webra family #WEJO22RCS Silverline 40 muffler #WE1O2ORCS Silverline 61 muffler Engine Size 40 61 OutputRPM-Range HPRPM/mon 902000-1 5500 1452000-14000 650210019991093 9x710x4 1000240022001516 11x711x8 Available hobby stores everywhere 1J Distributed Hobby Dynamics Distributors PO Box 3726 Champaign IL 61826-3726 Phone 1-217-355-0022 , kqnamics 12 wflgspOj~ 4flger 18 wingspan propeller dnoon N A-J Hornet U HistoriciSis folding WingSpan Hand MadeN Ready-to-Fly Balsa Wood Model Airplanes404 Interceptor YES Please RUSH _____ A- Classic 3-Packs include 74 Fighter A-J Hornet & 404 Interceptor Pack $1995 plus $300 shipping & handling Add 5150 2nd-Day UPS Needless say roller operator quickly put end discourteous dangerous activity threatening perform dire deeds flier model used live Virginia morning drove job Maryland would pass sign bridge crossing Potomac River stated Entering Maryland Please Drive Gently Perhaps should adopt same slo gan RC flying activities Please Fly Gently Propellers revisited guess long con tinue use propellers models provide propulsive force am going writing warnings about exposed potential finger Ia cerators During last month mailperson delivered letters reporting four incidents propeller blades parting company hub may recall incident mentioned January 1990 Safety column described letter received Sidney Sharp Sidney run ning 14 x 6 prop 120-cu-in four-stroke engine both blades let loose Fortunately no injury resulted Sidney some suggestions didnt use January column additional reports prop failures lead lieve should have passed Sidney suggested following might consider encouraging read ers write vendor manufacturer incidents such copy AMA HQ AMA might keep file reports number incidents pro duct manufacturer seller would able claim ignorance defect product limitation hoped would im Continued page 20 NEW ~j2VHS-4 HOUR FORMAT ape youve ing finally herell youre new tho hobby just wont learn secret atwood plane construction YOU PLANE VIDEO Presents BUILDING IT RIGHT THE FIRST TI FIRST NO-NONSENSE VIDEO OF WOOD AIRCRAFT CONSTRUCTION APPROX 4 HOURS ON Radio Installation o Straight wing building o Installing hinges 0 Shear webbing o ApplyIng FG cloth OSerno installation Setting up anew radio 0 Built-up tail surfaces C Slab tail surfaces C Aileron installation o Fuel tank installatlo o New engine setup e Fuselage constructit OBUILDING STRAIGH Installing pushrods o Covering film Eliminating warps o Aligning Balancing o Final checkout OFLuS MUCH MORE CREDIT CARD CUSTOMERS Use toll tree number place order Have lIS4 MasterCard VISA ready call OR mail 524BS S & TO PLANE VIDEO MaSterCardRO Box 23125 Des Moines IA 50322 Iowa residents add 4%sales 18003838251 18 Model Aviation DisplcmntBoreStroke WeightProp ccmmmmmozSize Speed 40 & 6i Silverline Engine CityState Zip Send checker money order A-J Manulacloring Inc 0 PO Boo 68132 APortland OR 97265 15031 653-2038 Peifect Stability gyro output reverse switch neutral adjust trimmer precise rudder servo neutral adjustment Airtronics SG-1 Precision Ball Bearing Gyroscope System compact helicopter single axis gyro incorates advanced technological features out standing flight performance ancf maneuverability Designed easy instal lation setup adjustment SG-1 provides superior stability control demand ing fl conditions economically-priced gyro features ball-beanng equipped gimbal regulated gyro motor voltage supply easy mounting connector system convenient gyro setup in-flight onloff operation dual sensitivity precision SG-1 gyro automatically senses movement directs proper command appropriate servo mixer amplifier utilizes automatic power source selector 96252 SG-I Gyro S ecifications Power Supply 4 cell 48 Volt common power 5 Cell 6 Volt separate power Motor Running Current 130 MA DC Amplifier Current 30 MA DC Dimensions Gyroscopel69 x 148 x 169 Mixer Amp244 x 136 x 075 Control Box095 x 134 x 075 Weight Gyroscope254 oz Mixer AmpI09 oz Control Box006 oz Detection Method Hall Effect Sensor SG-1 Gyro offers perfect blend stability per formance compatibility wit Airtronics RIC systems Set Standani RONICS 11 Autry Irvine CA 92718714 83C information about Airtronics quality products please call write address above Geared $ 0771 Geared $11046 Geared $12745 Geared $16145 Geared $16696 Geared $21671 $0296 $5500 $3200 $5556 $3196 H0bbY Horn - hobby specralues ASTRO FLIGHT SYSTEMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ e920 ChalleegerCebae7cell O5Direct $lOe21 CtraltengerCobaltI2cen 15 Direct $14020 ChallengerCobalt 14 CCI 25 Direct $16070 Challenger Cobah 18 eel 40 Direct $19545 ChallengerCobalt 24 cell 60 Direct $28471 Astro Dc/Dc Super Charger up 1028 cells Astro AC/DC Charger current adject Pare DC/DC Charger Astro Electric Throttle Astre OnDO Meter Cenlrsl Electronic AQEQRLE Andereon Power Pole Connector 4 housings /4 pins$200 /pr ctold Pie Moles Connecter$210 /pr Tarniyu Connector$150 /pr Hi-Flee WIre 30 ea red & bled 16 GaJ240 Strand$200 Daveys 3OAnVMetert$1995 Micro Swftch Hameost$450 3/16 Flat Braidloroeldeang Batteries$050/c Heal Shrink Tubing Batteries 20 ter550AR900& 12005CR Flat Packs$150 /5 3 br 800AR Flat Packs$160 / 0 4 tsr 600AR & 1200SCR Stacked Pucko0185/0 SANYO CUT-OFF RATTERY PACKSt S 4Celt 45OrnA$1950 OCell 450mA$2300 450AR $3OOea eCell 600mA$2020 7Cell eOOrnA$3310 SOSAR $355ea 6Col OOOmA$29e0 7Cell 900rnA$33e0 9000CR $4OOeu 6 Cell l200mA $2920 7 Cell l200mA $3310 1 2005CR$395ea packs weed eat packs t Please opecOy desired connectore ELECTRIC POWER KITS MMC Ultra MK IV 60 Span Saliglane 05 Gear$2786 MMC Electric Playboy 67 Span Old flreer bOO Gear$2600 Astro Challenger 73 Span Sailplane bOO Gear$3250 EMO Electra GIde II 73 Span Sailplane ter 00$3100 EMD Therotic Traveler Sailplane 76 Span tsr 05$3100 EMD Sky Knight 44 Span Trainer 1005$2400 EMO Lightning 39 Span Aerebatic Sport Model tsr 05$2400 MMC Fast bridie Aerobatic Sport Model tsr 05$2400 Astro Snort 37$2400 oParrRereoascorrMeoeltorsb OHIPPING & HANOLtNG76 Puge CATALOGUE Up to$600 add$200$2ddyp/lst Class free 0801 $2000 add$250when requested order $2001 $4500 add$325 $4501 $7000 add$375 Over $70Ooadd$450HOBBY HORN CA Addreusees add 6% tue Seed 3 Moron St [A] MO VISA/MC #6 hap Date Box 2212 Check allaw up 30 days tsrWeotminoter Ca 92884 check clearuece COD t charges plus Si 4 8938311 handling Cash OnlyHt0 Mon-Fri 9AM 5PM prove product give printed warnings attorney seller got some sepa rate incident letters would have seller react immediately seller would have react knew anyone lawsuit situation could sub poena AMA records incidents show seller/manufacturer previous knowledge defects doubt aware since 1973 has requirement manufac turers distributors retailers products re port defective products federal govern ment Section 15 consumer Product safety Act states manufacturer consumer product distributed commerce distributor retailer such product obtains informa tion reasonably supports conclusion such product contains defect could create substantial product hazard described subsection a2 shall immediately inform Commission such defect commission referred above Con sumer Product Safety Commission CPSC mentioned last months Safety column question what point does vendor reach conclusion he/she has sold prod uct could create substantial product haz ard opinion single report propel ler blade being shed hub hardly likely convince hypothetical vendor Ive sold whole batch defective props know modeler informed such incident may have experienced several hard land ings prop contacted ground prior its eventually throwing blade other Continued poge 22 20 Model Aviation hand receive several such reports dont think should ignored endorse Sidneys suggestion modelers ex periencing product failure whether prop other item should encouraged write vendor and/or AMA HQ However AMA HQ should write AMA Safety Committee hut doesnt appear very active present suggestion would contact AMA Tech nical Director Bob Underwood Bob probably wont like suggesting him recipient letters complaint hut doubt hes going inundated such letters past experience writing column modelers nonmodelers have have strong motiva tion before committing pen paper However urge consider dratting short letter distributor AMA experience incident believe have caused defective product Safe starter Charles Holden joined ranks RCers just two years ago has already built sev eral models field box minimizes enginestarting/propeller accidents see photo elsewhere coluntn field box contains what appears Sul livan starter has mounted slight pressure prop spinner against starter cone energizes motor type starting arrangement has used number CL Speed fliers several years Since behind prop during entire starting op eration chances contacting mini mized Charles has equipped flight box cover unfolds becomes kneeling pad prevent box moving during start ing operation also keeps users knees out mud Charles concluded letter stat ing inquiries made plans kits etc can reached 13750 Dc Foe Ave Sylmar CA 91342 phone 1-818/362-2459 interested suggest drop him line give him call Remote glow plug Connector November 1989 Safety column mentioned engine test stand provision attaching selfcontained Ni-Cd glow plug igniter Ni-Starter0 other brand remote engine column said remote connection selfcontained Ni-Cd starter model itself would good idea since would keep fingers away prop arc also stated wasnt aware such product So much knowledge products market Lloyd Zink wrote informed McDaniel R/C Inc has such product let ter Floyd Yovanovitch told uses marketed Thunder Tiger also conversation Bob McDaniel subject during suggested inform readers Ni-Starter0 should left place attached plug engine af ter engine starts Although Ni-Starter0 locks place weight battery sub jected vibration running engine can pro duce some pretty large stresses Remove start er after engine fires up use remote attach ment want keep battery power plug Safety notes Under title Safety Notes George Wilson sent copies part text recent issue Discovery Flying RC Club newsletter Three safety tips follow Mark Massonis 60-size engine started with22 Model Aviation RED MAX PREMIUM FUELI fuel beginners ft sport flyers should use Avail synthetic castor blend RED MAX 094668563560056614300 RED MAX 5109079574572565120004 RED MAX 10129089584580872524972 ______ RED MAX 12144098392886077228192 _______ RED MAX 1515901070101091482031412 _______ RED MAX RACING FUEL Trophy winner planes boats ft cers two boet blends castor ok up 40% nltro REDMAX2O1745124511701125102543188 RED MAX 251990142013301264119450272 RED MAX 402608193318061716153971708 RED MAX 513183228321231973176685968 RED MAX 6032202395222521231998100228 F RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power 10-4 CYCLE1290 895 845 808 72524972 15-4 CYCLE 1590 1070 1010 914 820 31412 RED MAX HELICOPTER FUEL Extremely smooth running extra dafoemer drk color special heavy oIl hellcptrs l0Helicopter 1340 945 895 858 775 27672 151-Irlicoprer 1640 1120 1060 964 870 34112 RED MAX PERFORMANCE FUEL High flash poInt heavy oil use tuned pipes ductad fan ft other heavy dty app 5 Performance114084579677570122704 _______ ....10 Performance 134094589585877527672 _______ .l5Performance 16401120106096487034112 _______ Power easy starting power Smooth take offs power intricate maneuvers Red Max makes engine Come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs Secret gredients keep engine last ing longer running power fully other _____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better _____wear char acteristics _____other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals No hand ling charge Freight collect drums Deduct 3% prepay Mix sty qty Total qry deter mines price SC orders add 5% sales tax Dealer end club prices avail Accept credit cards checks COD ICOD add $2 per cartonl Personal checks may held until cleared OTYFUEL1 GAL 4 GAL 24 GAL 60 GAL 128 Gel 164 GAL TOTAL $ ordered MIXTUREI DRUMAMT RED MAX FUEL Continued page 107 RED MAX PATTERN FUEL Proven beat fuel pattern engines using pumps tuned pipes S Pattern 1108 810 760 740 666 120804 10 Pattern 1305 910 860 823 740 28372 15 Pattern 1608 1085 1025 929 835 28692 SUPER TIGER 3080 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 1290895845808725 24972 RED MAX DIESEL FUEL Superior diesel beck list popular demand cuatomers Dell Bearings 1767 1326 1290 1164 1060 Diaael6eeiigs 1867 1426 1390 1264 1160 SMOKER FLUID beat smoker fluid 2 4 cycle engines Smoker Fluid1290 895 845 808 725 24972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon boats-cas-hellcoptersspeedpatternscalefl scaie-kevar-lonltbon-st3000 PLEASE PRINT NA5A AAY CTDT Grand Total CITY STATE ZIP CARD TYPE AND MA EXPIRATION DATE EYi Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 14, 16, 18, 20, 22, 107
John Preston Safety025 Comes First C Peppertree Ln Sliver Spring MD 20906 column provided address items concern regarding safety aspects model aviation actMtles Content column however opinion author does necessarily represent official position Academy Model Aeronautics Good mannerssafe flying Statistics prop danger Safe starter Tips CL line clips Three unusual safety tips MANNERS safety opinion polite fly ing directly related safe flying opinion reinforced incident described re cent letter Texas modeler name club Im withholding ensure dont create bad feelings within club members club required fly accordance AMA Safety Code ob serve certain flying field rules Some important rules require pilots announce intentions other fliers such calling out Taking off Landing Dead-stick prior execut ing functions necessary flier enter onto cross runway also must announced acknowledged other pilots letter writer stated once fractions occur penalties may assessed could result removal club particular incident described will relate letter writers own words evening flying Standard-size Sailplane another member flying Pattern plane making low high-speed passes over runway concluded last flight towline landed diagonally across runway As began its retrieval advised other flier would crossing active run way please keep clear said land let know would clear run way responded affirmatively reached about middle runway heard howl approaching model Looking up saw pass overhead about 20-ft altitude traveling about 70 90 mph continued towline retrieval again heard howl approaching Pattern plane Before could move model passed 10 15 ft overhead descending path clipped some tall grass beyond runway proceeded zoom up shred itself passing through some power lines beyond boundary field now wingless fuselage tail assembly engine still full power described ballis tic arc impacted close nearby light indus trial area Before got back pit area Pattern pilot departed salvage wreck age next club meeting reviewed inci dent club officers members present recommended 1 ban low passes over runway 2 refocus members tention existing club rules runway/fly ing conflict pointed out present 30 years modeling Ive wit nessed several injuries death resulting Continued page 16 JLaJ j$4w AWtK dw1rd&QJ 44 f2PW742-te A 4/1/0 Ito- Model Aviation Charles Holden demonstrates safe starter system built field box information device months column Note built-in kneeling pad t4 Functions .......4-6 2 Cycle Engine .....90-1 2 4 Cycle Engine..... 12-16 RC model activities wish see others Furthermore under conditions cident pilot model lost control ear lier would have time evade oncom ing model its specific target also formed officers such accident would cause us great trauma could also result permanent loss field noted some two years ago due safety infractions use field sus pended three months four us worked very long hard develop stronger safety conduct rules better field layout order once again secure permission use field outcome meeting deci sion send offender citation/warning let ter 2 Make request fliers make low passes beyond runway 3 Admonish members pay better attention club rules 4 Ask active control safety officers thoroughly satisfied mea sures accepted majority rule preceding account reminded inci dent involving thoughtlessness occurred years ago field used fly Vir ginia grass runway spring used have field day willing work would attempt repair ravages winter particular occasion field closed flying member operating rented power roller runway try smooth Out bumps Apparently member didnt get message about field being closed showed up fly ignored fact roller op erating runway took off proceeded make low passes over roller its operator Continued page 18 Newt Historically Presentedi qj 87 Cort JN4 Jenny 537 81 OH M5ecltc 86 5 84 Pobber 07 Pt $39r 108 OH Metqetannb 5 oyle GeeBne $32 98 Steer 921 yKeydet g 60 Hacerd Pete Race $35 99 NBlk Widow P61 60 Soporenerine 0dB $24 71 Doog DC3 CAll 89 Soperonerine 068 $35 95 Deag DC3 Cdl 63 Cert Hawk P6E $42 86 Hewk Teoooe 13 94Cott Hark P6E $54t 64 Stool OkyCar 74 Doelifflee 08 11 $48 72 Cor0201 /4 L&0 90 Monocoopo Sped $36t 108 Co 0201/4 L&S 06* 50 Hell Opt Relideg $43160 Oaoglae M3 Meil 107 Aetenca C3 Opt 535 68 Brietol Boildeg Pt oward Bern Ike $40 59 BrwnRece MeLA $ 78 Torn WW Roc 535 101 Grow Boe,t PBP $ 63 Cot Gohk P1 iC $42 69 Lindbg NX21 1$ Coehk P1 iC 554 91 Lindberg NX21 $ 66 DoHen Cowet $24 96 WNWlNoe Re $ 62 HowMrMolligon $35 74 C Helldvr SB2C4 $ 94 Hew Mr Molligen $45 108 PeiekPT-19 Tr $ 43 Boeing P26A Ptr $36 60 Weor ToperWing $ 84 Boeing P26A Pt $48 90 TaperWlr8 $ lOdWaro C6 Cobin$55-75 Wectld Lycerder $ 64 Booh C 178 Steg538100 Weetld Lyceeder $ 96 BeerS C 178 Stag$4951 Pord Trient 4-AT Look 11 Eleotta$3076 Pord Trintr 4-AT 82ork ii Eleocre$40ilhloATi1r4AT$ 62 Stineon T/W 087$1896 Bellente Alrtroi $ 81 Stincon T/W SR7$2693 Loening COAwpk $ Stlnten T/W 581 $38- 58 Grow JO-P Dark $ J 59 BrIstol Pt P28 520 78 Grow J3P Dock $ 118 Bristol Ptt P208 $45 134 Leek Air Eopraee $ 74 Torn Peace $45- 42 took Air Eopreee $ 2*r 56 Cor WorFtk P40 $24 83 Lack Air Eaprees $ 60 vogt Cartel 945 $35 77 WWw 121 RedL $ 80 Vegt Corteir P4U $69 63 C Seekawk P7C1 8 70 Lock Llgkttg P38 $38 94 C Snehowk P7C1 $ 56 Rep SeeBee Aw $24 108 Siker 038 Awpk $ ,* 74 RepSeeBee Ant $39 60 Bonieg 100 Sprrt $ ~2L 70 Prper J3 Cob $29 90 Boeing 100 Sport 5 Pipeci3Colr 83972 NerthrrpGewwo $ eek Hodeor Bwb 538 96 Nertkroir Gewwo $ -63 Grow P6P Hellcat $2890 StincA Law 3/MS 77 Boeing Bl7GPart$3560 OtircA Law 5/M $ 105 Bee 81 TG Port $55150 StirA Low 3/M 68 Wantl Wkirlwind $3278 CrnelCetP8YSA 68 NNevion $3P 104 CcnCetPBSSA $ Awe 68 8 Bonenee VTail $59 65 MCIine Clippee 77 Loerewbe Sedee $25 97 MCIire Clipper $ 72 N 8 25 Bewker 049 62 Cortic NC4 $ 6514 Merooda 826 549 94 Cotti, NC4 $ ortrccce Irrlronro guorrrtoceatonrUo OrrrldOS 1400 50 Up 6125 Pen Aiwoy Add 10% order chipping & in, etc USA Co&McoElcewhecit 15%125Sifkyei riccaiol retelog 0200 linclodec Price Lirti Pice Certion alone 0100 Ilk9 ai foeiar odd $100 9rUOcrwrcro,Pht 5ISPMEST 0555 2161961 31 Experienced builders will enjoy classic model world renowned Spitfire Mk Ix Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear MADE IN THE USA CONTACT YOUR LOCAL DEALER Wing Span88tt Wing Area1270 sqtt Fuselage Length77tt Weight12-14 lbs C EYE NDS GREAT PLANS - FOR GIANTSC ALE BUFFS BLUES CA getting down get protected CA mask Safety Plus mask will eliminate CA fumes epoxy polyester resin vapors air breath Lightweight easy breathing comfortable CA Mask $1595 Paint Mask $2045 See hobby dealer first doesnt have what need order direct Safety Plus PO Box 1173 Dept 12M Clinton Mississippi 39056 Call toll free 1-800-842-7233 Mississippi dial 601-924-%40 VISA MASTERCARD accepted COD add $250 shipping handling included Dealer Inquiries Invited PEu5 16 Model Aviation PROVEN PERFORMANC W ebra engines offer finest German engineering wide range size power applications R/C hobbyist en gines famous reliability lasting perform ance power spare Silverlines no ex ception Another great addition Webra line-up engines feature side exhaust front intake scavenged porting ringed piston ball bearing supported crankshaft TN bar rel type carburetor demand state-of-the-art technology unparalleled performance next engine become part Webra family #WEJO22RCS Silverline 40 muffler #WE1O2ORCS Silverline 61 muffler Engine Size 40 61 OutputRPM-Range HPRPM/mon 902000-1 5500 1452000-14000 650210019991093 9x710x4 1000240022001516 11x711x8 Available hobby stores everywhere 1J Distributed Hobby Dynamics Distributors PO Box 3726 Champaign IL 61826-3726 Phone 1-217-355-0022 , kqnamics 12 wflgspOj~ 4flger 18 wingspan propeller dnoon N A-J Hornet U HistoriciSis folding WingSpan Hand MadeN Ready-to-Fly Balsa Wood Model Airplanes404 Interceptor YES Please RUSH _____ A- Classic 3-Packs include 74 Fighter A-J Hornet & 404 Interceptor Pack $1995 plus $300 shipping & handling Add 5150 2nd-Day UPS Needless say roller operator quickly put end discourteous dangerous activity threatening perform dire deeds flier model used live Virginia morning drove job Maryland would pass sign bridge crossing Potomac River stated Entering Maryland Please Drive Gently Perhaps should adopt same slo gan RC flying activities Please Fly Gently Propellers revisited guess long con tinue use propellers models provide propulsive force am going writing warnings about exposed potential finger Ia cerators During last month mailperson delivered letters reporting four incidents propeller blades parting company hub may recall incident mentioned January 1990 Safety column described letter received Sidney Sharp Sidney run ning 14 x 6 prop 120-cu-in four-stroke engine both blades let loose Fortunately no injury resulted Sidney some suggestions didnt use January column additional reports prop failures lead lieve should have passed Sidney suggested following might consider encouraging read ers write vendor manufacturer incidents such copy AMA HQ AMA might keep file reports number incidents pro duct manufacturer seller would able claim ignorance defect product limitation hoped would im Continued page 20 NEW ~j2VHS-4 HOUR FORMAT ape youve ing finally herell youre new tho hobby just wont learn secret atwood plane construction YOU PLANE VIDEO Presents BUILDING IT RIGHT THE FIRST TI FIRST NO-NONSENSE VIDEO OF WOOD AIRCRAFT CONSTRUCTION APPROX 4 HOURS ON Radio Installation o Straight wing building o Installing hinges 0 Shear webbing o ApplyIng FG cloth OSerno installation Setting up anew radio 0 Built-up tail surfaces C Slab tail surfaces C Aileron installation o Fuel tank installatlo o New engine setup e Fuselage constructit OBUILDING STRAIGH Installing pushrods o Covering film Eliminating warps o Aligning Balancing o Final checkout OFLuS MUCH MORE CREDIT CARD CUSTOMERS Use toll tree number place order Have lIS4 MasterCard VISA ready call OR mail 524BS S & TO PLANE VIDEO MaSterCardRO Box 23125 Des Moines IA 50322 Iowa residents add 4%sales 18003838251 18 Model Aviation DisplcmntBoreStroke WeightProp ccmmmmmozSize Speed 40 & 6i Silverline Engine CityState Zip Send checker money order A-J Manulacloring Inc 0 PO Boo 68132 APortland OR 97265 15031 653-2038 Peifect Stability gyro output reverse switch neutral adjust trimmer precise rudder servo neutral adjustment Airtronics SG-1 Precision Ball Bearing Gyroscope System compact helicopter single axis gyro incorates advanced technological features out standing flight performance ancf maneuverability Designed easy instal lation setup adjustment SG-1 provides superior stability control demand ing fl conditions economically-priced gyro features ball-beanng equipped gimbal regulated gyro motor voltage supply easy mounting connector system convenient gyro setup in-flight onloff operation dual sensitivity precision SG-1 gyro automatically senses movement directs proper command appropriate servo mixer amplifier utilizes automatic power source selector 96252 SG-I Gyro S ecifications Power Supply 4 cell 48 Volt common power 5 Cell 6 Volt separate power Motor Running Current 130 MA DC Amplifier Current 30 MA DC Dimensions Gyroscopel69 x 148 x 169 Mixer Amp244 x 136 x 075 Control Box095 x 134 x 075 Weight Gyroscope254 oz Mixer AmpI09 oz Control Box006 oz Detection Method Hall Effect Sensor SG-1 Gyro offers perfect blend stability per formance compatibility wit Airtronics RIC systems Set Standani RONICS 11 Autry Irvine CA 92718714 83C information about Airtronics quality products please call write address above Geared $ 0771 Geared $11046 Geared $12745 Geared $16145 Geared $16696 Geared $21671 $0296 $5500 $3200 $5556 $3196 H0bbY Horn - hobby specralues ASTRO FLIGHT SYSTEMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ e920 ChalleegerCebae7cell O5Direct $lOe21 CtraltengerCobaltI2cen 15 Direct $14020 ChallengerCobalt 14 CCI 25 Direct $16070 Challenger Cobah 18 eel 40 Direct $19545 ChallengerCobalt 24 cell 60 Direct $28471 Astro Dc/Dc Super Charger up 1028 cells Astro AC/DC Charger current adject Pare DC/DC Charger Astro Electric Throttle Astre OnDO Meter Cenlrsl Electronic AQEQRLE Andereon Power Pole Connector 4 housings /4 pins$200 /pr ctold Pie Moles Connecter$210 /pr Tarniyu Connector$150 /pr Hi-Flee WIre 30 ea red & bled 16 GaJ240 Strand$200 Daveys 3OAnVMetert$1995 Micro Swftch Hameost$450 3/16 Flat Braidloroeldeang Batteries$050/c Heal Shrink Tubing Batteries 20 ter550AR900& 12005CR Flat Packs$150 /5 3 br 800AR Flat Packs$160 / 0 4 tsr 600AR & 1200SCR Stacked Pucko0185/0 SANYO CUT-OFF RATTERY PACKSt S 4Celt 45OrnA$1950 OCell 450mA$2300 450AR $3OOea eCell 600mA$2020 7Cell eOOrnA$3310 SOSAR $355ea 6Col OOOmA$29e0 7Cell 900rnA$33e0 9000CR $4OOeu 6 Cell l200mA $2920 7 Cell l200mA $3310 1 2005CR$395ea packs weed eat packs t Please opecOy desired connectore ELECTRIC POWER KITS MMC Ultra MK IV 60 Span Saliglane 05 Gear$2786 MMC Electric Playboy 67 Span Old flreer bOO Gear$2600 Astro Challenger 73 Span Sailplane bOO Gear$3250 EMO Electra GIde II 73 Span Sailplane ter 00$3100 EMD Therotic Traveler Sailplane 76 Span tsr 05$3100 EMD Sky Knight 44 Span Trainer 1005$2400 EMO Lightning 39 Span Aerebatic Sport Model tsr 05$2400 MMC Fast bridie Aerobatic Sport Model tsr 05$2400 Astro Snort 37$2400 oParrRereoascorrMeoeltorsb OHIPPING & HANOLtNG76 Puge CATALOGUE Up to$600 add$200$2ddyp/lst Class free 0801 $2000 add$250when requested order $2001 $4500 add$325 $4501 $7000 add$375 Over $70Ooadd$450HOBBY HORN CA Addreusees add 6% tue Seed 3 Moron St [A] MO VISA/MC #6 hap Date Box 2212 Check allaw up 30 days tsrWeotminoter Ca 92884 check clearuece COD t charges plus Si 4 8938311 handling Cash OnlyHt0 Mon-Fri 9AM 5PM prove product give printed warnings attorney seller got some sepa rate incident letters would have seller react immediately seller would have react knew anyone lawsuit situation could sub poena AMA records incidents show seller/manufacturer previous knowledge defects doubt aware since 1973 has requirement manufac turers distributors retailers products re port defective products federal govern ment Section 15 consumer Product safety Act states manufacturer consumer product distributed commerce distributor retailer such product obtains informa tion reasonably supports conclusion such product contains defect could create substantial product hazard described subsection a2 shall immediately inform Commission such defect commission referred above Con sumer Product Safety Commission CPSC mentioned last months Safety column question what point does vendor reach conclusion he/she has sold prod uct could create substantial product haz ard opinion single report propel ler blade being shed hub hardly likely convince hypothetical vendor Ive sold whole batch defective props know modeler informed such incident may have experienced several hard land ings prop contacted ground prior its eventually throwing blade other Continued poge 22 20 Model Aviation hand receive several such reports dont think should ignored endorse Sidneys suggestion modelers ex periencing product failure whether prop other item should encouraged write vendor and/or AMA HQ However AMA HQ should write AMA Safety Committee hut doesnt appear very active present suggestion would contact AMA Tech nical Director Bob Underwood Bob probably wont like suggesting him recipient letters complaint hut doubt hes going inundated such letters past experience writing column modelers nonmodelers have have strong motiva tion before committing pen paper However urge consider dratting short letter distributor AMA experience incident believe have caused defective product Safe starter Charles Holden joined ranks RCers just two years ago has already built sev eral models field box minimizes enginestarting/propeller accidents see photo elsewhere coluntn field box contains what appears Sul livan starter has mounted slight pressure prop spinner against starter cone energizes motor type starting arrangement has used number CL Speed fliers several years Since behind prop during entire starting op eration chances contacting mini mized Charles has equipped flight box cover unfolds becomes kneeling pad prevent box moving during start ing operation also keeps users knees out mud Charles concluded letter stat ing inquiries made plans kits etc can reached 13750 Dc Foe Ave Sylmar CA 91342 phone 1-818/362-2459 interested suggest drop him line give him call Remote glow plug Connector November 1989 Safety column mentioned engine test stand provision attaching selfcontained Ni-Cd glow plug igniter Ni-Starter0 other brand remote engine column said remote connection selfcontained Ni-Cd starter model itself would good idea since would keep fingers away prop arc also stated wasnt aware such product So much knowledge products market Lloyd Zink wrote informed McDaniel R/C Inc has such product let ter Floyd Yovanovitch told uses marketed Thunder Tiger also conversation Bob McDaniel subject during suggested inform readers Ni-Starter0 should left place attached plug engine af ter engine starts Although Ni-Starter0 locks place weight battery sub jected vibration running engine can pro duce some pretty large stresses Remove start er after engine fires up use remote attach ment want keep battery power plug Safety notes Under title Safety Notes George Wilson sent copies part text recent issue Discovery Flying RC Club newsletter Three safety tips follow Mark Massonis 60-size engine started with22 Model Aviation RED MAX PREMIUM FUELI fuel beginners ft sport flyers should use Avail synthetic castor blend RED MAX 094668563560056614300 RED MAX 5109079574572565120004 RED MAX 10129089584580872524972 ______ RED MAX 12144098392886077228192 _______ RED MAX 1515901070101091482031412 _______ RED MAX RACING FUEL Trophy winner planes boats ft cers two boet blends castor ok up 40% nltro REDMAX2O1745124511701125102543188 RED MAX 251990142013301264119450272 RED MAX 402608193318061716153971708 RED MAX 513183228321231973176685968 RED MAX 6032202395222521231998100228 F RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power 10-4 CYCLE1290 895 845 808 72524972 15-4 CYCLE 1590 1070 1010 914 820 31412 RED MAX HELICOPTER FUEL Extremely smooth running extra dafoemer drk color special heavy oIl hellcptrs l0Helicopter 1340 945 895 858 775 27672 151-Irlicoprer 1640 1120 1060 964 870 34112 RED MAX PERFORMANCE FUEL High flash poInt heavy oil use tuned pipes ductad fan ft other heavy dty app 5 Performance114084579677570122704 _______ ....10 Performance 134094589585877527672 _______ .l5Performance 16401120106096487034112 _______ Power easy starting power Smooth take offs power intricate maneuvers Red Max makes engine Come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs Secret gredients keep engine last ing longer running power fully other _____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better _____wear char acteristics _____other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals No hand ling charge Freight collect drums Deduct 3% prepay Mix sty qty Total qry deter mines price SC orders add 5% sales tax Dealer end club prices avail Accept credit cards checks COD ICOD add $2 per cartonl Personal checks may held until cleared OTYFUEL1 GAL 4 GAL 24 GAL 60 GAL 128 Gel 164 GAL TOTAL $ ordered MIXTUREI DRUMAMT RED MAX FUEL Continued page 107 RED MAX PATTERN FUEL Proven beat fuel pattern engines using pumps tuned pipes S Pattern 1108 810 760 740 666 120804 10 Pattern 1305 910 860 823 740 28372 15 Pattern 1608 1085 1025 929 835 28692 SUPER TIGER 3080 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 1290895845808725 24972 RED MAX DIESEL FUEL Superior diesel beck list popular demand cuatomers Dell Bearings 1767 1326 1290 1164 1060 Diaael6eeiigs 1867 1426 1390 1264 1160 SMOKER FLUID beat smoker fluid 2 4 cycle engines Smoker Fluid1290 895 845 808 725 24972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon boats-cas-hellcoptersspeedpatternscalefl scaie-kevar-lonltbon-st3000 PLEASE PRINT NA5A AAY CTDT Grand Total CITY STATE ZIP CARD TYPE AND MA EXPIRATION DATE EYi Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 14, 16, 18, 20, 22, 107
John Preston Safety025 Comes First C Peppertree Ln Sliver Spring MD 20906 column provided address items concern regarding safety aspects model aviation actMtles Content column however opinion author does necessarily represent official position Academy Model Aeronautics Good mannerssafe flying Statistics prop danger Safe starter Tips CL line clips Three unusual safety tips MANNERS safety opinion polite fly ing directly related safe flying opinion reinforced incident described re cent letter Texas modeler name club Im withholding ensure dont create bad feelings within club members club required fly accordance AMA Safety Code ob serve certain flying field rules Some important rules require pilots announce intentions other fliers such calling out Taking off Landing Dead-stick prior execut ing functions necessary flier enter onto cross runway also must announced acknowledged other pilots letter writer stated once fractions occur penalties may assessed could result removal club particular incident described will relate letter writers own words evening flying Standard-size Sailplane another member flying Pattern plane making low high-speed passes over runway concluded last flight towline landed diagonally across runway As began its retrieval advised other flier would crossing active run way please keep clear said land let know would clear run way responded affirmatively reached about middle runway heard howl approaching model Looking up saw pass overhead about 20-ft altitude traveling about 70 90 mph continued towline retrieval again heard howl approaching Pattern plane Before could move model passed 10 15 ft overhead descending path clipped some tall grass beyond runway proceeded zoom up shred itself passing through some power lines beyond boundary field now wingless fuselage tail assembly engine still full power described ballis tic arc impacted close nearby light indus trial area Before got back pit area Pattern pilot departed salvage wreck age next club meeting reviewed inci dent club officers members present recommended 1 ban low passes over runway 2 refocus members tention existing club rules runway/fly ing conflict pointed out present 30 years modeling Ive wit nessed several injuries death resulting Continued page 16 JLaJ j$4w AWtK dw1rd&QJ 44 f2PW742-te A 4/1/0 Ito- Model Aviation Charles Holden demonstrates safe starter system built field box information device months column Note built-in kneeling pad t4 Functions .......4-6 2 Cycle Engine .....90-1 2 4 Cycle Engine..... 12-16 RC model activities wish see others Furthermore under conditions cident pilot model lost control ear lier would have time evade oncom ing model its specific target also formed officers such accident would cause us great trauma could also result permanent loss field noted some two years ago due safety infractions use field sus pended three months four us worked very long hard develop stronger safety conduct rules better field layout order once again secure permission use field outcome meeting deci sion send offender citation/warning let ter 2 Make request fliers make low passes beyond runway 3 Admonish members pay better attention club rules 4 Ask active control safety officers thoroughly satisfied mea sures accepted majority rule preceding account reminded inci dent involving thoughtlessness occurred years ago field used fly Vir ginia grass runway spring used have field day willing work would attempt repair ravages winter particular occasion field closed flying member operating rented power roller runway try smooth Out bumps Apparently member didnt get message about field being closed showed up fly ignored fact roller op erating runway took off proceeded make low passes over roller its operator Continued page 18 Newt Historically Presentedi qj 87 Cort JN4 Jenny 537 81 OH M5ecltc 86 5 84 Pobber 07 Pt $39r 108 OH Metqetannb 5 oyle GeeBne $32 98 Steer 921 yKeydet g 60 Hacerd Pete Race $35 99 NBlk Widow P61 60 Soporenerine 0dB $24 71 Doog DC3 CAll 89 Soperonerine 068 $35 95 Deag DC3 Cdl 63 Cert Hawk P6E $42 86 Hewk Teoooe 13 94Cott Hark P6E $54t 64 Stool OkyCar 74 Doelifflee 08 11 $48 72 Cor0201 /4 L&0 90 Monocoopo Sped $36t 108 Co 0201/4 L&S 06* 50 Hell Opt Relideg $43160 Oaoglae M3 Meil 107 Aetenca C3 Opt 535 68 Brietol Boildeg Pt oward Bern Ike $40 59 BrwnRece MeLA $ 78 Torn WW Roc 535 101 Grow Boe,t PBP $ 63 Cot Gohk P1 iC $42 69 Lindbg NX21 1$ Coehk P1 iC 554 91 Lindberg NX21 $ 66 DoHen Cowet $24 96 WNWlNoe Re $ 62 HowMrMolligon $35 74 C Helldvr SB2C4 $ 94 Hew Mr Molligen $45 108 PeiekPT-19 Tr $ 43 Boeing P26A Ptr $36 60 Weor ToperWing $ 84 Boeing P26A Pt $48 90 TaperWlr8 $ lOdWaro C6 Cobin$55-75 Wectld Lycerder $ 64 Booh C 178 Steg538100 Weetld Lyceeder $ 96 BeerS C 178 Stag$4951 Pord Trient 4-AT Look 11 Eleotta$3076 Pord Trintr 4-AT 82ork ii Eleocre$40ilhloATi1r4AT$ 62 Stineon T/W 087$1896 Bellente Alrtroi $ 81 Stincon T/W SR7$2693 Loening COAwpk $ Stlnten T/W 581 $38- 58 Grow JO-P Dark $ J 59 BrIstol Pt P28 520 78 Grow J3P Dock $ 118 Bristol Ptt P208 $45 134 Leek Air Eopraee $ 74 Torn Peace $45- 42 took Air Eopreee $ 2*r 56 Cor WorFtk P40 $24 83 Lack Air Eaprees $ 60 vogt Cartel 945 $35 77 WWw 121 RedL $ 80 Vegt Corteir P4U $69 63 C Seekawk P7C1 8 70 Lock Llgkttg P38 $38 94 C Snehowk P7C1 $ 56 Rep SeeBee Aw $24 108 Siker 038 Awpk $ ,* 74 RepSeeBee Ant $39 60 Bonieg 100 Sprrt $ ~2L 70 Prper J3 Cob $29 90 Boeing 100 Sport 5 Pipeci3Colr 83972 NerthrrpGewwo $ eek Hodeor Bwb 538 96 Nertkroir Gewwo $ -63 Grow P6P Hellcat $2890 StincA Law 3/MS 77 Boeing Bl7GPart$3560 OtircA Law 5/M $ 105 Bee 81 TG Port $55150 StirA Low 3/M 68 Wantl Wkirlwind $3278 CrnelCetP8YSA 68 NNevion $3P 104 CcnCetPBSSA $ Awe 68 8 Bonenee VTail $59 65 MCIine Clippee 77 Loerewbe Sedee $25 97 MCIire Clipper $ 72 N 8 25 Bewker 049 62 Cortic NC4 $ 6514 Merooda 826 549 94 Cotti, NC4 $ ortrccce Irrlronro guorrrtoceatonrUo OrrrldOS 1400 50 Up 6125 Pen Aiwoy Add 10% order chipping & in, etc USA Co&McoElcewhecit 15%125Sifkyei riccaiol retelog 0200 linclodec Price Lirti Pice Certion alone 0100 Ilk9 ai foeiar odd $100 9rUOcrwrcro,Pht 5ISPMEST 0555 2161961 31 Experienced builders will enjoy classic model world renowned Spitfire Mk Ix Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear MADE IN THE USA CONTACT YOUR LOCAL DEALER Wing Span88tt Wing Area1270 sqtt Fuselage Length77tt Weight12-14 lbs C EYE NDS GREAT PLANS - FOR GIANTSC ALE BUFFS BLUES CA getting down get protected CA mask Safety Plus mask will eliminate CA fumes epoxy polyester resin vapors air breath Lightweight easy breathing comfortable CA Mask $1595 Paint Mask $2045 See hobby dealer first doesnt have what need order direct Safety Plus PO Box 1173 Dept 12M Clinton Mississippi 39056 Call toll free 1-800-842-7233 Mississippi dial 601-924-%40 VISA MASTERCARD accepted COD add $250 shipping handling included Dealer Inquiries Invited PEu5 16 Model Aviation PROVEN PERFORMANC W ebra engines offer finest German engineering wide range size power applications R/C hobbyist en gines famous reliability lasting perform ance power spare Silverlines no ex ception Another great addition Webra line-up engines feature side exhaust front intake scavenged porting ringed piston ball bearing supported crankshaft TN bar rel type carburetor demand state-of-the-art technology unparalleled performance next engine become part Webra family #WEJO22RCS Silverline 40 muffler #WE1O2ORCS Silverline 61 muffler Engine Size 40 61 OutputRPM-Range HPRPM/mon 902000-1 5500 1452000-14000 650210019991093 9x710x4 1000240022001516 11x711x8 Available hobby stores everywhere 1J Distributed Hobby Dynamics Distributors PO Box 3726 Champaign IL 61826-3726 Phone 1-217-355-0022 , kqnamics 12 wflgspOj~ 4flger 18 wingspan propeller dnoon N A-J Hornet U HistoriciSis folding WingSpan Hand MadeN Ready-to-Fly Balsa Wood Model Airplanes404 Interceptor YES Please RUSH _____ A- Classic 3-Packs include 74 Fighter A-J Hornet & 404 Interceptor Pack $1995 plus $300 shipping & handling Add 5150 2nd-Day UPS Needless say roller operator quickly put end discourteous dangerous activity threatening perform dire deeds flier model used live Virginia morning drove job Maryland would pass sign bridge crossing Potomac River stated Entering Maryland Please Drive Gently Perhaps should adopt same slo gan RC flying activities Please Fly Gently Propellers revisited guess long con tinue use propellers models provide propulsive force am going writing warnings about exposed potential finger Ia cerators During last month mailperson delivered letters reporting four incidents propeller blades parting company hub may recall incident mentioned January 1990 Safety column described letter received Sidney Sharp Sidney run ning 14 x 6 prop 120-cu-in four-stroke engine both blades let loose Fortunately no injury resulted Sidney some suggestions didnt use January column additional reports prop failures lead lieve should have passed Sidney suggested following might consider encouraging read ers write vendor manufacturer incidents such copy AMA HQ AMA might keep file reports number incidents pro duct manufacturer seller would able claim ignorance defect product limitation hoped would im Continued page 20 NEW ~j2VHS-4 HOUR FORMAT ape youve ing finally herell youre new tho hobby just wont learn secret atwood plane construction YOU PLANE VIDEO Presents BUILDING IT RIGHT THE FIRST TI FIRST NO-NONSENSE VIDEO OF WOOD AIRCRAFT CONSTRUCTION APPROX 4 HOURS ON Radio Installation o Straight wing building o Installing hinges 0 Shear webbing o ApplyIng FG cloth OSerno installation Setting up anew radio 0 Built-up tail surfaces C Slab tail surfaces C Aileron installation o Fuel tank installatlo o New engine setup e Fuselage constructit OBUILDING STRAIGH Installing pushrods o Covering film Eliminating warps o Aligning Balancing o Final checkout OFLuS MUCH MORE CREDIT CARD CUSTOMERS Use toll tree number place order Have lIS4 MasterCard VISA ready call OR mail 524BS S & TO PLANE VIDEO MaSterCardRO Box 23125 Des Moines IA 50322 Iowa residents add 4%sales 18003838251 18 Model Aviation DisplcmntBoreStroke WeightProp ccmmmmmozSize Speed 40 & 6i Silverline Engine CityState Zip Send checker money order A-J Manulacloring Inc 0 PO Boo 68132 APortland OR 97265 15031 653-2038 Peifect Stability gyro output reverse switch neutral adjust trimmer precise rudder servo neutral adjustment Airtronics SG-1 Precision Ball Bearing Gyroscope System compact helicopter single axis gyro incorates advanced technological features out standing flight performance ancf maneuverability Designed easy instal lation setup adjustment SG-1 provides superior stability control demand ing fl conditions economically-priced gyro features ball-beanng equipped gimbal regulated gyro motor voltage supply easy mounting connector system convenient gyro setup in-flight onloff operation dual sensitivity precision SG-1 gyro automatically senses movement directs proper command appropriate servo mixer amplifier utilizes automatic power source selector 96252 SG-I Gyro S ecifications Power Supply 4 cell 48 Volt common power 5 Cell 6 Volt separate power Motor Running Current 130 MA DC Amplifier Current 30 MA DC Dimensions Gyroscopel69 x 148 x 169 Mixer Amp244 x 136 x 075 Control Box095 x 134 x 075 Weight Gyroscope254 oz Mixer AmpI09 oz Control Box006 oz Detection Method Hall Effect Sensor SG-1 Gyro offers perfect blend stability per formance compatibility wit Airtronics RIC systems Set Standani RONICS 11 Autry Irvine CA 92718714 83C information about Airtronics quality products please call write address above Geared $ 0771 Geared $11046 Geared $12745 Geared $16145 Geared $16696 Geared $21671 $0296 $5500 $3200 $5556 $3196 H0bbY Horn - hobby specralues ASTRO FLIGHT SYSTEMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ e920 ChalleegerCebae7cell O5Direct $lOe21 CtraltengerCobaltI2cen 15 Direct $14020 ChallengerCobalt 14 CCI 25 Direct $16070 Challenger Cobah 18 eel 40 Direct $19545 ChallengerCobalt 24 cell 60 Direct $28471 Astro Dc/Dc Super Charger up 1028 cells Astro AC/DC Charger current adject Pare DC/DC Charger Astro Electric Throttle Astre OnDO Meter Cenlrsl Electronic AQEQRLE Andereon Power Pole Connector 4 housings /4 pins$200 /pr ctold Pie Moles Connecter$210 /pr Tarniyu Connector$150 /pr Hi-Flee WIre 30 ea red & bled 16 GaJ240 Strand$200 Daveys 3OAnVMetert$1995 Micro Swftch Hameost$450 3/16 Flat Braidloroeldeang Batteries$050/c Heal Shrink Tubing Batteries 20 ter550AR900& 12005CR Flat Packs$150 /5 3 br 800AR Flat Packs$160 / 0 4 tsr 600AR & 1200SCR Stacked Pucko0185/0 SANYO CUT-OFF RATTERY PACKSt S 4Celt 45OrnA$1950 OCell 450mA$2300 450AR $3OOea eCell 600mA$2020 7Cell eOOrnA$3310 SOSAR $355ea 6Col OOOmA$29e0 7Cell 900rnA$33e0 9000CR $4OOeu 6 Cell l200mA $2920 7 Cell l200mA $3310 1 2005CR$395ea packs weed eat packs t Please opecOy desired connectore ELECTRIC POWER KITS MMC Ultra MK IV 60 Span Saliglane 05 Gear$2786 MMC Electric Playboy 67 Span Old flreer bOO Gear$2600 Astro Challenger 73 Span Sailplane bOO Gear$3250 EMO Electra GIde II 73 Span Sailplane ter 00$3100 EMD Therotic Traveler Sailplane 76 Span tsr 05$3100 EMD Sky Knight 44 Span Trainer 1005$2400 EMO Lightning 39 Span Aerebatic Sport Model tsr 05$2400 MMC Fast bridie Aerobatic Sport Model tsr 05$2400 Astro Snort 37$2400 oParrRereoascorrMeoeltorsb OHIPPING & HANOLtNG76 Puge CATALOGUE Up to$600 add$200$2ddyp/lst Class free 0801 $2000 add$250when requested order $2001 $4500 add$325 $4501 $7000 add$375 Over $70Ooadd$450HOBBY HORN CA Addreusees add 6% tue Seed 3 Moron St [A] MO VISA/MC #6 hap Date Box 2212 Check allaw up 30 days tsrWeotminoter Ca 92884 check clearuece COD t charges plus Si 4 8938311 handling Cash OnlyHt0 Mon-Fri 9AM 5PM prove product give printed warnings attorney seller got some sepa rate incident letters would have seller react immediately seller would have react knew anyone lawsuit situation could sub poena AMA records incidents show seller/manufacturer previous knowledge defects doubt aware since 1973 has requirement manufac turers distributors retailers products re port defective products federal govern ment Section 15 consumer Product safety Act states manufacturer consumer product distributed commerce distributor retailer such product obtains informa tion reasonably supports conclusion such product contains defect could create substantial product hazard described subsection a2 shall immediately inform Commission such defect commission referred above Con sumer Product Safety Commission CPSC mentioned last months Safety column question what point does vendor reach conclusion he/she has sold prod uct could create substantial product haz ard opinion single report propel ler blade being shed hub hardly likely convince hypothetical vendor Ive sold whole batch defective props know modeler informed such incident may have experienced several hard land ings prop contacted ground prior its eventually throwing blade other Continued poge 22 20 Model Aviation hand receive several such reports dont think should ignored endorse Sidneys suggestion modelers ex periencing product failure whether prop other item should encouraged write vendor and/or AMA HQ However AMA HQ should write AMA Safety Committee hut doesnt appear very active present suggestion would contact AMA Tech nical Director Bob Underwood Bob probably wont like suggesting him recipient letters complaint hut doubt hes going inundated such letters past experience writing column modelers nonmodelers have have strong motiva tion before committing pen paper However urge consider dratting short letter distributor AMA experience incident believe have caused defective product Safe starter Charles Holden joined ranks RCers just two years ago has already built sev eral models field box minimizes enginestarting/propeller accidents see photo elsewhere coluntn field box contains what appears Sul livan starter has mounted slight pressure prop spinner against starter cone energizes motor type starting arrangement has used number CL Speed fliers several years Since behind prop during entire starting op eration chances contacting mini mized Charles has equipped flight box cover unfolds becomes kneeling pad prevent box moving during start ing operation also keeps users knees out mud Charles concluded letter stat ing inquiries made plans kits etc can reached 13750 Dc Foe Ave Sylmar CA 91342 phone 1-818/362-2459 interested suggest drop him line give him call Remote glow plug Connector November 1989 Safety column mentioned engine test stand provision attaching selfcontained Ni-Cd glow plug igniter Ni-Starter0 other brand remote engine column said remote connection selfcontained Ni-Cd starter model itself would good idea since would keep fingers away prop arc also stated wasnt aware such product So much knowledge products market Lloyd Zink wrote informed McDaniel R/C Inc has such product let ter Floyd Yovanovitch told uses marketed Thunder Tiger also conversation Bob McDaniel subject during suggested inform readers Ni-Starter0 should left place attached plug engine af ter engine starts Although Ni-Starter0 locks place weight battery sub jected vibration running engine can pro duce some pretty large stresses Remove start er after engine fires up use remote attach ment want keep battery power plug Safety notes Under title Safety Notes George Wilson sent copies part text recent issue Discovery Flying RC Club newsletter Three safety tips follow Mark Massonis 60-size engine started with22 Model Aviation RED MAX PREMIUM FUELI fuel beginners ft sport flyers should use Avail synthetic castor blend RED MAX 094668563560056614300 RED MAX 5109079574572565120004 RED MAX 10129089584580872524972 ______ RED MAX 12144098392886077228192 _______ RED MAX 1515901070101091482031412 _______ RED MAX RACING FUEL Trophy winner planes boats ft cers two boet blends castor ok up 40% nltro REDMAX2O1745124511701125102543188 RED MAX 251990142013301264119450272 RED MAX 402608193318061716153971708 RED MAX 513183228321231973176685968 RED MAX 6032202395222521231998100228 F RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power 10-4 CYCLE1290 895 845 808 72524972 15-4 CYCLE 1590 1070 1010 914 820 31412 RED MAX HELICOPTER FUEL Extremely smooth running extra dafoemer drk color special heavy oIl hellcptrs l0Helicopter 1340 945 895 858 775 27672 151-Irlicoprer 1640 1120 1060 964 870 34112 RED MAX PERFORMANCE FUEL High flash poInt heavy oil use tuned pipes ductad fan ft other heavy dty app 5 Performance114084579677570122704 _______ ....10 Performance 134094589585877527672 _______ .l5Performance 16401120106096487034112 _______ Power easy starting power Smooth take offs power intricate maneuvers Red Max makes engine Come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs Secret gredients keep engine last ing longer running power fully other _____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better _____wear char acteristics _____other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals No hand ling charge Freight collect drums Deduct 3% prepay Mix sty qty Total qry deter mines price SC orders add 5% sales tax Dealer end club prices avail Accept credit cards checks COD ICOD add $2 per cartonl Personal checks may held until cleared OTYFUEL1 GAL 4 GAL 24 GAL 60 GAL 128 Gel 164 GAL TOTAL $ ordered MIXTUREI DRUMAMT RED MAX FUEL Continued page 107 RED MAX PATTERN FUEL Proven beat fuel pattern engines using pumps tuned pipes S Pattern 1108 810 760 740 666 120804 10 Pattern 1305 910 860 823 740 28372 15 Pattern 1608 1085 1025 929 835 28692 SUPER TIGER 3080 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 1290895845808725 24972 RED MAX DIESEL FUEL Superior diesel beck list popular demand cuatomers Dell Bearings 1767 1326 1290 1164 1060 Diaael6eeiigs 1867 1426 1390 1264 1160 SMOKER FLUID beat smoker fluid 2 4 cycle engines Smoker Fluid1290 895 845 808 725 24972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon boats-cas-hellcoptersspeedpatternscalefl scaie-kevar-lonltbon-st3000 PLEASE PRINT NA5A AAY CTDT Grand Total CITY STATE ZIP CARD TYPE AND MA EXPIRATION DATE EYi Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 14, 16, 18, 20, 22, 107
John Preston Safety025 Comes First C Peppertree Ln Sliver Spring MD 20906 column provided address items concern regarding safety aspects model aviation actMtles Content column however opinion author does necessarily represent official position Academy Model Aeronautics Good mannerssafe flying Statistics prop danger Safe starter Tips CL line clips Three unusual safety tips MANNERS safety opinion polite fly ing directly related safe flying opinion reinforced incident described re cent letter Texas modeler name club Im withholding ensure dont create bad feelings within club members club required fly accordance AMA Safety Code ob serve certain flying field rules Some important rules require pilots announce intentions other fliers such calling out Taking off Landing Dead-stick prior execut ing functions necessary flier enter onto cross runway also must announced acknowledged other pilots letter writer stated once fractions occur penalties may assessed could result removal club particular incident described will relate letter writers own words evening flying Standard-size Sailplane another member flying Pattern plane making low high-speed passes over runway concluded last flight towline landed diagonally across runway As began its retrieval advised other flier would crossing active run way please keep clear said land let know would clear run way responded affirmatively reached about middle runway heard howl approaching model Looking up saw pass overhead about 20-ft altitude traveling about 70 90 mph continued towline retrieval again heard howl approaching Pattern plane Before could move model passed 10 15 ft overhead descending path clipped some tall grass beyond runway proceeded zoom up shred itself passing through some power lines beyond boundary field now wingless fuselage tail assembly engine still full power described ballis tic arc impacted close nearby light indus trial area Before got back pit area Pattern pilot departed salvage wreck age next club meeting reviewed inci dent club officers members present recommended 1 ban low passes over runway 2 refocus members tention existing club rules runway/fly ing conflict pointed out present 30 years modeling Ive wit nessed several injuries death resulting Continued page 16 JLaJ j$4w AWtK dw1rd&QJ 44 f2PW742-te A 4/1/0 Ito- Model Aviation Charles Holden demonstrates safe starter system built field box information device months column Note built-in kneeling pad t4 Functions .......4-6 2 Cycle Engine .....90-1 2 4 Cycle Engine..... 12-16 RC model activities wish see others Furthermore under conditions cident pilot model lost control ear lier would have time evade oncom ing model its specific target also formed officers such accident would cause us great trauma could also result permanent loss field noted some two years ago due safety infractions use field sus pended three months four us worked very long hard develop stronger safety conduct rules better field layout order once again secure permission use field outcome meeting deci sion send offender citation/warning let ter 2 Make request fliers make low passes beyond runway 3 Admonish members pay better attention club rules 4 Ask active control safety officers thoroughly satisfied mea sures accepted majority rule preceding account reminded inci dent involving thoughtlessness occurred years ago field used fly Vir ginia grass runway spring used have field day willing work would attempt repair ravages winter particular occasion field closed flying member operating rented power roller runway try smooth Out bumps Apparently member didnt get message about field being closed showed up fly ignored fact roller op erating runway took off proceeded make low passes over roller its operator Continued page 18 Newt Historically Presentedi qj 87 Cort JN4 Jenny 537 81 OH M5ecltc 86 5 84 Pobber 07 Pt $39r 108 OH Metqetannb 5 oyle GeeBne $32 98 Steer 921 yKeydet g 60 Hacerd Pete Race $35 99 NBlk Widow P61 60 Soporenerine 0dB $24 71 Doog DC3 CAll 89 Soperonerine 068 $35 95 Deag DC3 Cdl 63 Cert Hawk P6E $42 86 Hewk Teoooe 13 94Cott Hark P6E $54t 64 Stool OkyCar 74 Doelifflee 08 11 $48 72 Cor0201 /4 L&0 90 Monocoopo Sped $36t 108 Co 0201/4 L&S 06* 50 Hell Opt Relideg $43160 Oaoglae M3 Meil 107 Aetenca C3 Opt 535 68 Brietol Boildeg Pt oward Bern Ike $40 59 BrwnRece MeLA $ 78 Torn WW Roc 535 101 Grow Boe,t PBP $ 63 Cot Gohk P1 iC $42 69 Lindbg NX21 1$ Coehk P1 iC 554 91 Lindberg NX21 $ 66 DoHen Cowet $24 96 WNWlNoe Re $ 62 HowMrMolligon $35 74 C Helldvr SB2C4 $ 94 Hew Mr Molligen $45 108 PeiekPT-19 Tr $ 43 Boeing P26A Ptr $36 60 Weor ToperWing $ 84 Boeing P26A Pt $48 90 TaperWlr8 $ lOdWaro C6 Cobin$55-75 Wectld Lycerder $ 64 Booh C 178 Steg538100 Weetld Lyceeder $ 96 BeerS C 178 Stag$4951 Pord Trient 4-AT Look 11 Eleotta$3076 Pord Trintr 4-AT 82ork ii Eleocre$40ilhloATi1r4AT$ 62 Stineon T/W 087$1896 Bellente Alrtroi $ 81 Stincon T/W SR7$2693 Loening COAwpk $ Stlnten T/W 581 $38- 58 Grow JO-P Dark $ J 59 BrIstol Pt P28 520 78 Grow J3P Dock $ 118 Bristol Ptt P208 $45 134 Leek Air Eopraee $ 74 Torn Peace $45- 42 took Air Eopreee $ 2*r 56 Cor WorFtk P40 $24 83 Lack Air Eaprees $ 60 vogt Cartel 945 $35 77 WWw 121 RedL $ 80 Vegt Corteir P4U $69 63 C Seekawk P7C1 8 70 Lock Llgkttg P38 $38 94 C Snehowk P7C1 $ 56 Rep SeeBee Aw $24 108 Siker 038 Awpk $ ,* 74 RepSeeBee Ant $39 60 Bonieg 100 Sprrt $ ~2L 70 Prper J3 Cob $29 90 Boeing 100 Sport 5 Pipeci3Colr 83972 NerthrrpGewwo $ eek Hodeor Bwb 538 96 Nertkroir Gewwo $ -63 Grow P6P Hellcat $2890 StincA Law 3/MS 77 Boeing Bl7GPart$3560 OtircA Law 5/M $ 105 Bee 81 TG Port $55150 StirA Low 3/M 68 Wantl Wkirlwind $3278 CrnelCetP8YSA 68 NNevion $3P 104 CcnCetPBSSA $ Awe 68 8 Bonenee VTail $59 65 MCIine Clippee 77 Loerewbe Sedee $25 97 MCIire Clipper $ 72 N 8 25 Bewker 049 62 Cortic NC4 $ 6514 Merooda 826 549 94 Cotti, NC4 $ ortrccce Irrlronro guorrrtoceatonrUo OrrrldOS 1400 50 Up 6125 Pen Aiwoy Add 10% order chipping & in, etc USA Co&McoElcewhecit 15%125Sifkyei riccaiol retelog 0200 linclodec Price Lirti Pice Certion alone 0100 Ilk9 ai foeiar odd $100 9rUOcrwrcro,Pht 5ISPMEST 0555 2161961 31 Experienced builders will enjoy classic model world renowned Spitfire Mk Ix Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear MADE IN THE USA CONTACT YOUR LOCAL DEALER Wing Span88tt Wing Area1270 sqtt Fuselage Length77tt Weight12-14 lbs C EYE NDS GREAT PLANS - FOR GIANTSC ALE BUFFS BLUES CA getting down get protected CA mask Safety Plus mask will eliminate CA fumes epoxy polyester resin vapors air breath Lightweight easy breathing comfortable CA Mask $1595 Paint Mask $2045 See hobby dealer first doesnt have what need order direct Safety Plus PO Box 1173 Dept 12M Clinton Mississippi 39056 Call toll free 1-800-842-7233 Mississippi dial 601-924-%40 VISA MASTERCARD accepted COD add $250 shipping handling included Dealer Inquiries Invited PEu5 16 Model Aviation PROVEN PERFORMANC W ebra engines offer finest German engineering wide range size power applications R/C hobbyist en gines famous reliability lasting perform ance power spare Silverlines no ex ception Another great addition Webra line-up engines feature side exhaust front intake scavenged porting ringed piston ball bearing supported crankshaft TN bar rel type carburetor demand state-of-the-art technology unparalleled performance next engine become part Webra family #WEJO22RCS Silverline 40 muffler #WE1O2ORCS Silverline 61 muffler Engine Size 40 61 OutputRPM-Range HPRPM/mon 902000-1 5500 1452000-14000 650210019991093 9x710x4 1000240022001516 11x711x8 Available hobby stores everywhere 1J Distributed Hobby Dynamics Distributors PO Box 3726 Champaign IL 61826-3726 Phone 1-217-355-0022 , kqnamics 12 wflgspOj~ 4flger 18 wingspan propeller dnoon N A-J Hornet U HistoriciSis folding WingSpan Hand MadeN Ready-to-Fly Balsa Wood Model Airplanes404 Interceptor YES Please RUSH _____ A- Classic 3-Packs include 74 Fighter A-J Hornet & 404 Interceptor Pack $1995 plus $300 shipping & handling Add 5150 2nd-Day UPS Needless say roller operator quickly put end discourteous dangerous activity threatening perform dire deeds flier model used live Virginia morning drove job Maryland would pass sign bridge crossing Potomac River stated Entering Maryland Please Drive Gently Perhaps should adopt same slo gan RC flying activities Please Fly Gently Propellers revisited guess long con tinue use propellers models provide propulsive force am going writing warnings about exposed potential finger Ia cerators During last month mailperson delivered letters reporting four incidents propeller blades parting company hub may recall incident mentioned January 1990 Safety column described letter received Sidney Sharp Sidney run ning 14 x 6 prop 120-cu-in four-stroke engine both blades let loose Fortunately no injury resulted Sidney some suggestions didnt use January column additional reports prop failures lead lieve should have passed Sidney suggested following might consider encouraging read ers write vendor manufacturer incidents such copy AMA HQ AMA might keep file reports number incidents pro duct manufacturer seller would able claim ignorance defect product limitation hoped would im Continued page 20 NEW ~j2VHS-4 HOUR FORMAT ape youve ing finally herell youre new tho hobby just wont learn secret atwood plane construction YOU PLANE VIDEO Presents BUILDING IT RIGHT THE FIRST TI FIRST NO-NONSENSE VIDEO OF WOOD AIRCRAFT CONSTRUCTION APPROX 4 HOURS ON Radio Installation o Straight wing building o Installing hinges 0 Shear webbing o ApplyIng FG cloth OSerno installation Setting up anew radio 0 Built-up tail surfaces C Slab tail surfaces C Aileron installation o Fuel tank installatlo o New engine setup e Fuselage constructit OBUILDING STRAIGH Installing pushrods o Covering film Eliminating warps o Aligning Balancing o Final checkout OFLuS MUCH MORE CREDIT CARD CUSTOMERS Use toll tree number place order Have lIS4 MasterCard VISA ready call OR mail 524BS S & TO PLANE VIDEO MaSterCardRO Box 23125 Des Moines IA 50322 Iowa residents add 4%sales 18003838251 18 Model Aviation DisplcmntBoreStroke WeightProp ccmmmmmozSize Speed 40 & 6i Silverline Engine CityState Zip Send checker money order A-J Manulacloring Inc 0 PO Boo 68132 APortland OR 97265 15031 653-2038 Peifect Stability gyro output reverse switch neutral adjust trimmer precise rudder servo neutral adjustment Airtronics SG-1 Precision Ball Bearing Gyroscope System compact helicopter single axis gyro incorates advanced technological features out standing flight performance ancf maneuverability Designed easy instal lation setup adjustment SG-1 provides superior stability control demand ing fl conditions economically-priced gyro features ball-beanng equipped gimbal regulated gyro motor voltage supply easy mounting connector system convenient gyro setup in-flight onloff operation dual sensitivity precision SG-1 gyro automatically senses movement directs proper command appropriate servo mixer amplifier utilizes automatic power source selector 96252 SG-I Gyro S ecifications Power Supply 4 cell 48 Volt common power 5 Cell 6 Volt separate power Motor Running Current 130 MA DC Amplifier Current 30 MA DC Dimensions Gyroscopel69 x 148 x 169 Mixer Amp244 x 136 x 075 Control Box095 x 134 x 075 Weight Gyroscope254 oz Mixer AmpI09 oz Control Box006 oz Detection Method Hall Effect Sensor SG-1 Gyro offers perfect blend stability per formance compatibility wit Airtronics RIC systems Set Standani RONICS 11 Autry Irvine CA 92718714 83C information about Airtronics quality products please call write address above Geared $ 0771 Geared $11046 Geared $12745 Geared $16145 Geared $16696 Geared $21671 $0296 $5500 $3200 $5556 $3196 H0bbY Horn - hobby specralues ASTRO FLIGHT SYSTEMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ e920 ChalleegerCebae7cell O5Direct $lOe21 CtraltengerCobaltI2cen 15 Direct $14020 ChallengerCobalt 14 CCI 25 Direct $16070 Challenger Cobah 18 eel 40 Direct $19545 ChallengerCobalt 24 cell 60 Direct $28471 Astro Dc/Dc Super Charger up 1028 cells Astro AC/DC Charger current adject Pare DC/DC Charger Astro Electric Throttle Astre OnDO Meter Cenlrsl Electronic AQEQRLE Andereon Power Pole Connector 4 housings /4 pins$200 /pr ctold Pie Moles Connecter$210 /pr Tarniyu Connector$150 /pr Hi-Flee WIre 30 ea red & bled 16 GaJ240 Strand$200 Daveys 3OAnVMetert$1995 Micro Swftch Hameost$450 3/16 Flat Braidloroeldeang Batteries$050/c Heal Shrink Tubing Batteries 20 ter550AR900& 12005CR Flat Packs$150 /5 3 br 800AR Flat Packs$160 / 0 4 tsr 600AR & 1200SCR Stacked Pucko0185/0 SANYO CUT-OFF RATTERY PACKSt S 4Celt 45OrnA$1950 OCell 450mA$2300 450AR $3OOea eCell 600mA$2020 7Cell eOOrnA$3310 SOSAR $355ea 6Col OOOmA$29e0 7Cell 900rnA$33e0 9000CR $4OOeu 6 Cell l200mA $2920 7 Cell l200mA $3310 1 2005CR$395ea packs weed eat packs t Please opecOy desired connectore ELECTRIC POWER KITS MMC Ultra MK IV 60 Span Saliglane 05 Gear$2786 MMC Electric Playboy 67 Span Old flreer bOO Gear$2600 Astro Challenger 73 Span Sailplane bOO Gear$3250 EMO Electra GIde II 73 Span Sailplane ter 00$3100 EMD Therotic Traveler Sailplane 76 Span tsr 05$3100 EMD Sky Knight 44 Span Trainer 1005$2400 EMO Lightning 39 Span Aerebatic Sport Model tsr 05$2400 MMC Fast bridie Aerobatic Sport Model tsr 05$2400 Astro Snort 37$2400 oParrRereoascorrMeoeltorsb OHIPPING & HANOLtNG76 Puge CATALOGUE Up to$600 add$200$2ddyp/lst Class free 0801 $2000 add$250when requested order $2001 $4500 add$325 $4501 $7000 add$375 Over $70Ooadd$450HOBBY HORN CA Addreusees add 6% tue Seed 3 Moron St [A] MO VISA/MC #6 hap Date Box 2212 Check allaw up 30 days tsrWeotminoter Ca 92884 check clearuece COD t charges plus Si 4 8938311 handling Cash OnlyHt0 Mon-Fri 9AM 5PM prove product give printed warnings attorney seller got some sepa rate incident letters would have seller react immediately seller would have react knew anyone lawsuit situation could sub poena AMA records incidents show seller/manufacturer previous knowledge defects doubt aware since 1973 has requirement manufac turers distributors retailers products re port defective products federal govern ment Section 15 consumer Product safety Act states manufacturer consumer product distributed commerce distributor retailer such product obtains informa tion reasonably supports conclusion such product contains defect could create substantial product hazard described subsection a2 shall immediately inform Commission such defect commission referred above Con sumer Product Safety Commission CPSC mentioned last months Safety column question what point does vendor reach conclusion he/she has sold prod uct could create substantial product haz ard opinion single report propel ler blade being shed hub hardly likely convince hypothetical vendor Ive sold whole batch defective props know modeler informed such incident may have experienced several hard land ings prop contacted ground prior its eventually throwing blade other Continued poge 22 20 Model Aviation hand receive several such reports dont think should ignored endorse Sidneys suggestion modelers ex periencing product failure whether prop other item should encouraged write vendor and/or AMA HQ However AMA HQ should write AMA Safety Committee hut doesnt appear very active present suggestion would contact AMA Tech nical Director Bob Underwood Bob probably wont like suggesting him recipient letters complaint hut doubt hes going inundated such letters past experience writing column modelers nonmodelers have have strong motiva tion before committing pen paper However urge consider dratting short letter distributor AMA experience incident believe have caused defective product Safe starter Charles Holden joined ranks RCers just two years ago has already built sev eral models field box minimizes enginestarting/propeller accidents see photo elsewhere coluntn field box contains what appears Sul livan starter has mounted slight pressure prop spinner against starter cone energizes motor type starting arrangement has used number CL Speed fliers several years Since behind prop during entire starting op eration chances contacting mini mized Charles has equipped flight box cover unfolds becomes kneeling pad prevent box moving during start ing operation also keeps users knees out mud Charles concluded letter stat ing inquiries made plans kits etc can reached 13750 Dc Foe Ave Sylmar CA 91342 phone 1-818/362-2459 interested suggest drop him line give him call Remote glow plug Connector November 1989 Safety column mentioned engine test stand provision attaching selfcontained Ni-Cd glow plug igniter Ni-Starter0 other brand remote engine column said remote connection selfcontained Ni-Cd starter model itself would good idea since would keep fingers away prop arc also stated wasnt aware such product So much knowledge products market Lloyd Zink wrote informed McDaniel R/C Inc has such product let ter Floyd Yovanovitch told uses marketed Thunder Tiger also conversation Bob McDaniel subject during suggested inform readers Ni-Starter0 should left place attached plug engine af ter engine starts Although Ni-Starter0 locks place weight battery sub jected vibration running engine can pro duce some pretty large stresses Remove start er after engine fires up use remote attach ment want keep battery power plug Safety notes Under title Safety Notes George Wilson sent copies part text recent issue Discovery Flying RC Club newsletter Three safety tips follow Mark Massonis 60-size engine started with22 Model Aviation RED MAX PREMIUM FUELI fuel beginners ft sport flyers should use Avail synthetic castor blend RED MAX 094668563560056614300 RED MAX 5109079574572565120004 RED MAX 10129089584580872524972 ______ RED MAX 12144098392886077228192 _______ RED MAX 1515901070101091482031412 _______ RED MAX RACING FUEL Trophy winner planes boats ft cers two boet blends castor ok up 40% nltro REDMAX2O1745124511701125102543188 RED MAX 251990142013301264119450272 RED MAX 402608193318061716153971708 RED MAX 513183228321231973176685968 RED MAX 6032202395222521231998100228 F RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power 10-4 CYCLE1290 895 845 808 72524972 15-4 CYCLE 1590 1070 1010 914 820 31412 RED MAX HELICOPTER FUEL Extremely smooth running extra dafoemer drk color special heavy oIl hellcptrs l0Helicopter 1340 945 895 858 775 27672 151-Irlicoprer 1640 1120 1060 964 870 34112 RED MAX PERFORMANCE FUEL High flash poInt heavy oil use tuned pipes ductad fan ft other heavy dty app 5 Performance114084579677570122704 _______ ....10 Performance 134094589585877527672 _______ .l5Performance 16401120106096487034112 _______ Power easy starting power Smooth take offs power intricate maneuvers Red Max makes engine Come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs Secret gredients keep engine last ing longer running power fully other _____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better _____wear char acteristics _____other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals No hand ling charge Freight collect drums Deduct 3% prepay Mix sty qty Total qry deter mines price SC orders add 5% sales tax Dealer end club prices avail Accept credit cards checks COD ICOD add $2 per cartonl Personal checks may held until cleared OTYFUEL1 GAL 4 GAL 24 GAL 60 GAL 128 Gel 164 GAL TOTAL $ ordered MIXTUREI DRUMAMT RED MAX FUEL Continued page 107 RED MAX PATTERN FUEL Proven beat fuel pattern engines using pumps tuned pipes S Pattern 1108 810 760 740 666 120804 10 Pattern 1305 910 860 823 740 28372 15 Pattern 1608 1085 1025 929 835 28692 SUPER TIGER 3080 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 1290895845808725 24972 RED MAX DIESEL FUEL Superior diesel beck list popular demand cuatomers Dell Bearings 1767 1326 1290 1164 1060 Diaael6eeiigs 1867 1426 1390 1264 1160 SMOKER FLUID beat smoker fluid 2 4 cycle engines Smoker Fluid1290 895 845 808 725 24972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon boats-cas-hellcoptersspeedpatternscalefl scaie-kevar-lonltbon-st3000 PLEASE PRINT NA5A AAY CTDT Grand Total CITY STATE ZIP CARD TYPE AND MA EXPIRATION DATE EYi Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107