Safety Comes First

John Preston Safety Comes First Preflight checks vital about standard placement RC transmitter con trols Keep kids safe too Practice some emergency flight procedures ATTENTION Helicopter pilots slim mest folders Safety Comes First file drawers titled Helicopters doesnt necessarily mean fly less likely involved accident since Im sure people very much minority comes count flies what recent letter Patrick OConnell modeler King NC described accident sustained Helicopter pilot suggested need special preflight check such models Patricks words what happened follows incident occurred pushrod Helicopters rotor head snapped model flight particular linkage broke controlled forward motion cyclic pitch JDP Helicopter pushrod broke pilot hovering Helicopter pointing directly towards him found unable stop machines forward motion because lacked time get Out its way struck head tail rotor model immediately crashed just few feet away Al though pilot required stitches close wound injury sustained relatively minor able retum field later day collect equipment feel two lessons leamed incident First never fly alone accident occurred pilot alone field main rotor struck him head could have very serious trouble people idea flying someone else common sense However num ber people club myself included often fly alone incident however has changed peoples minds second lesson concems Helicopter mod els themselves Because high degree complexity great number moving parts probable prone mechanical failure fixed-wing aircraft models Perhaps some extra time should spent performing preflight check Helicopter models cut ting safety comers save some money simply asking trouble major reason reprinting Patricks letter Safety column concems suggestion take some extra time preflight check before attempting flight previous column have discussed preflight checklists fixed-wing mod els Ive responded letters requesting such checklists Both maiden flight routine flight checklists available sending SASE However since Im Helicopter flier have no knowledge steps should fol low preflight-check rotary-wing model anyone flies such models would care send such checklist will glad put column benefit others Standardized layout transmitter controls Just few days before sitting down write column read newspaper article about nearcrash scheduled airline flight al legedly caused pilot inadvertently shutting off switch fuel pump As recall ac count airliner descended within 600 ft ground before error discovered rectified occurred inadvertent flipping wrong switch RC transmitter may also source number crashes Over years Ive writing column Ive received numerous reports model ers taking off controls reversed because switches transmitter checked ensure position supposed also witnessed flight model flown well-known Scale modeler shall nameless drop its bombs takeoff pilot mistakenly operated bombrelease switch instead switch retract flaps However dont recall ever seeing hear ing about model crashing because wrong switch operated during flight So perhaps Im barking up wrong tree wonder would worth having standardized locations various switches model aircraft RC transmitters present time have two standard ized layouts primary flight controls Modes II other control levers/switches may found anywhere face sides trans mitter depending its brand model number Does anyone out besides myself think would worthwhile have standard layout say trim levers various other auxiliary control switches transmitters elect respond question might also give some thought placement switches control operations nor mally conducted ground whether such switches should protected cover plate prevent inadvertent operation during flight responsible several columns over Continued page 16 Thu column ii provided eddies Items concern regarding safety aspects model aviation activities Content clnmn however opinion time author des net necessarily represent official position Academy f Model AeronautIcs 14 Model Aviation c/f IIj- NT T CI4EC OUT T14 CIIOPiER.S MOWN PAPTS NOFtOWS ADDS NEW GLO TO YOUR ENGINE Len- Tne KWIK-KLIP III last gb-plugThe KWIK-KLIP Ill features aluminum igni er will ever need buy Its con-battery housing uses standard 1 2V venient portable powersource features1200 mAh rechargeable Nicad Batteryc use replaceable N cad Battery *This battery can replaced will no Never run out power Carry along anlonger hold charge THERES NO extra fully-charged Nicad ifNEED TO DISCARD THE ENTIRE needed simply replace right onUNIT KWIK-KLIP Ill spotcomes its own Bite Tite socket ischarger 125 mA output charger comes LED charge indicator KWIK-KLIP Ill fits stan dard 4-cycle gb-plugs No 396 KWIK-KLIP Ill Charger No397 KWIK-KLIP Ill Without Charger spring-loaded . wont loosen rotate fall off under heavy engine vibration large finger flange provides positive non-slip grip lock onto remove easily gb-plug No pushing. Notwist ing necessary CRAFT SCIENTIFIC INC 2007 New York Aseose Hoe egorSaoe NY 11746 VISA 516 5491571 o Free Price Bastieg Bayieg Gaide Electronic GOODIES INCLUDING NICADS & CHARGERS o Enclosed check Charge C VISA C MC C AMEX Acct 8Eop Card Holders Name Name Address l Potttsrs nnt lncltjded past year Ive described incidents children modelers victims inci dents generally occurred because access workshop letter arrived last month Gerald Rudisail flies Western Carolina Skyhawks following teresting comments subject 1 have RC flier about four years now enjoy column very much ever feel must address very Serious point see more daily responsibility parents respon sibility modelers Time time again see letters column about childrenand babiesbeing injured modeling tools supplies Dont partnts modelers particular have sense responsibility dont keep tools supplies locked up cant close workshop cant watch chil dren carefully have instant glues stant finishes instant battery charging stant ARF flying takes instant lose life maim cripple Please parents modelers Cabbage Patch dolls house workshop children Please treat such Real ize canand willgo anywhere anything unless stopped Most accidents have seen reported column have preventable just little responsibility supervisionand some common sense Lock door put up tools install child gates childproof latches model can rebuilt child cant Thank reason elected use Geralds letter column concerns same subject regular bread-and-butter jobchildrens Continued page 18 PILOT GLASSES Safety Products Modelers Dy Modelers Sunglasses ANSI Z871 approved safety glasses Fits over prescription glasses Extremely light weight additional comfort Free-flow ventilation system temples Wrap around side protection Anti-fog Anti-ultraviolet radiation Available clear gray mirror caseincluded Clear$1095 Gray$1195Ask about Mirror$1495club discounts Ask about other safety products 1BC Halan Fire Extinguisher $1495 Shipping handling add $275 Visa Mastercard accepted NO CODs Send cashiers check money order Safety Plus 1I iPO Box 1173 AlIKEClinton MS 39056 601 924-9640 16 Model Aviation III 6$3395 DIGITAL 5 00 MULTIMETER DCV ACV CD DISPLAY DCV IOAI 8 INPUT OHMS LOAD PROTECTION iM 0 BATTERY INDICATION BATTERY INCLUDED Sport plane both LAND WATER Designed Mr Sunday Filer himself airplane created enjoy tremendous thrill beauty flying off water .but Seamaster 40 elegant flying boat few minutes install landing gear remove tip floats converts Seamaster nicest looking land planes youve pleasure fly off hard surface grass Seamaster has some best manners plane around Its high lift wing provides slow predictable flight plus its quick get up on-the-step break water water mode Also water pylon mounted engine T-tail stabilizer stay out spray accelerating retractable water rud der prevents unwanted weather vaneing makes water handling snap steerable nose gear fumished handles chores ground mode charac teristics combine make plane Sport Trainer category docile enough novice agile enough Sunday Flier Typical Ace R/O quality crisply die-cut balsa lite ply parts complete hardware easy assembly sensible engineering clear plans photo illustrated assembly manual Ace R/O 116 W 196t St. PO Son sliMs HiggionvIle MO 64037816 584 7121 odered rect add $200 handing complete Catalog $200 safety cases parents underestimate childrens capabilities accident may result example takes seconds infant baby walker scoot over stairway perhaps see Dad going work shops basements Did Dad close door basement stairs Perhaps intend ing retum immediately just stated takes seconds - However accidents result carelessness lack responsibility Sometimes just plain misread clues accident occurs because made genuine mistake retum subject airplanes story told several years ago modeling friend comes mind concems mistake made piloting WW Il-era military aircraft early career despite fact couple drinks told story sup posed true event occurred shortly after friend eamed pilots wings piloting aircraft 1 forget what type was diffi cult impossible recover spin However possible recover aircraft inverted spin Flight instructors warned students about aircrafts peculiar ities1 telling spin should develop bail outunless spin verted case recovery technique taught cut long story short friend did get aircraft spin after briefly attempting recovery decided instructors correct would have bail out So slid back canopy released harness prepared climb out cockpit However no climbing necessary minute freed harness Continued page 20 18 Model Aviation CLEVELANDS GIANT MANY NEW FOR R/C BUFFS Oneigned Ao Ba, Motoo Flying Model Folloonro BoiIlUp Proooeype Pootoo Wood ond Fob,o R-pIic 9,jld-o o- TI,,15 ,Id, Yo, New HiBooinally PreenBedI 87CooOJN4Joooy$578108 Moeqolo Bb $42 84 Foklo 07 F,$392 10959 Moq, Bo b $55 70 Boyle Gee-Boo $322 9$ Sleor PT17Koy6OI $5660 Oooood Pole Boon $322 99 N81kWdoo P61$69 60 Sopeonooooo S6n t24 71 Doog DC 3 1C471 $35 89 So pel01olino 068 $352 95 Doog DC 3 1C471 ass 53 Cool Hocok P61 $42 86 Hookteoooo 13 $32 94 Col Hood 9-69 $$4 64 Slol Sky Ce$18 74 Doolilolee 0$ 11 $48 72 Co 0231/4 LOS $46 95 Mooooope $po $36 139 Co 0201/4 LOS $0680 Poll Spr Bolidog $43 60 Dooglo M 2 Mod $24 107 AeconOn C-S Op $35 68 B oI Blidog F, $30 02 Hooood Boon Ike $4559B oBoco ML $54 789oon, W-W Ro $35 107 Goo Beool PBF $54 * O3CoGohk FlIC $42 OPLiodbegNX211$28 94 C Cohk Fl C S54ol 91 Lindbego NO 211 $39 8600901 Coool Boo $24 96W NW No Boo $48 92 HooMMoIIjgO0 $25 74 C Helido SB2C 6855 94 HoooMoMolligoo$4510890 oh P919 Tr $59 63 Boeing F26A Fl$36OOWooo Dope W 09 $36 84 Booog P-26A Pr$4890 Wooo Tepe W 09048 69 Wooo C-6 Ceblo$3675 Wn,l 4 Lycoodoc $32 64 Boooh C17-B Slog$38100 WoelId Lyeode $49 96 Boech C17B Slog$49257 Pod T6nl 4-AT $36 - $5 Lok 11 Bloolco$3076 Pod 510111 4-AT$48 B3 Lok 11 Eleollo$40114 Ford 5111 4-AT $65 251i0en T/W Sf7$1896 Bniloooe Ajoooi$40 81 511000 9/W Sf7$3693 Loooiog C-2Aroph $49o- o 22 011000 0/W Sf7 $3858 Groo J2-P $ook 59 81101 Pr P2-n$2978 Goo 33-F $ook$56 118 B1loI Fl 92DB$45ol 124 Lock Al 1090, $48740onO, Peoo$45 62 look Al Eopce,$24 56 Coo Wehb P40$2493 Lock Al topree$36 60 VogI Co,ei P40$3377 WWn, 121 BndL $48 80 V0gl Co,ei P40$8963 C Seohocol F7C-1$45 78 Look Li$hlng P38 $3894 C Seohoonk FTC-I 557- 56 BepSee-Bee An$24108 Siko 0-38 Ao91o $49 74 Bep$oo-Boe An$3960 Boniog 190 Spool $36 70 Piper 3-3 Cob$2990 Boeing 100 Spol $49o 106 Pipel J-3 Cob839s72 Nooohop Gonono $48 98Leob Hodeon Bob $3896 Noolhoon Gonno $73 63 Goon P69 Hellool $2890 0li0oA Looo 3/M $58 77 Boeing BI7GFol$3$60 00 ne Looo3 M $42 103 Boo B-170 Pool$55lOOS no Looo 3 M $82 68 Weell Wirioloniod$3278 Coneo CoO PBY5A 842 48 N Ano Noolon$39lO4ConCo PBY5A$36y 68 BOononee V-Toil$3P65 M Ck no C non865 77 Looonbe Sedeo $2597 M Ch oe CI ppn$79 72 NA B-25 Bonboo $4942 Co I, NC 4 $39 65 MMqeodn 8-34 $4994 Cool, NC 4 5$49 00000 0300 lOOlOOnKO8003mW 003 03000 OLo4 Ooeo 1230 pOlo,6 73 Pole 001 50oUp Add 0% 00 oil ordr fo hipp ng & n eon USA Con & PAooOiagbEgJLL% 13358 o,1 PinOOliOl onleleg 1205 linolodo Pole L,oI Pooc 10 ooeen 0010 tI 09 bye gn odd $100 CLEVELANDMODEL&SUPPLY Co OCCOED t PoCCOEBon 080MB USC OH 5000 001$ 93B71 OBTUOIT AVECLEVELAND OHIO 44802 0008 0 0001 0 _________ NWI R1IIT RADIO CONTROL P-Si MUSTANG 10 25 TO 45 ENGINES WING SPAN 55 2995 THIS IS THE SIXTH RELEASE OF OUR INCREASINGLY POPULAR EASY-BUILD SHORT KITS THE REALISTIC LOOKING MUSTANG FLIES LIKE DREAM WITH PLENTY OF WING AND TAIL AREA FOR FULL-RANGE POSITIVE CONTROL AS WITH ALL OUR SHORT-KITS THE MUSTANG IS DESIGNED AROUND FOAM WING AND BOX FRAME FUSELAGE FOR SIMPLE AND STURDY CONSTRUCTION WE FURNISH THE ESSENTIAL PARTS ALONG WITH EASY-TO-FOLLOW PLANS AND LET THE BUILDER SELECT HIS OWN WOOD AND ADDITIONAL HARD WARE SHORT KIT INCLUDES PRECISION CUT ARCOFOAM WING CORES ABS HIGH-IMPACT COWLING AND BELLY COOLER FORMED WING GUN PORTS AND EXHAUST CRYSTAL CLEAR CANOPY WITH FRAMEWORK PLYWOOD FIREWALL O LANDING GEAR STRAPS BLOCKS AND SCREWS O FORMED STEEL ENGINE MOUNT CONTROL SURFACE HINGES CLEAR PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES BILL OF MATERIALS NO BALSA INCLUDEDI ORDERING SEND CHECK OR MONEY ORDER FOR 2550 PLUS 450 POSTAGE CANADIANS ADD 650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD Ei/ SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 0350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE CATALOG FREE WITH ORDER A77 PHONE wjivry/qr815-459-0417 AA * WE ARE SHOOTING DOWN-% 4 ~STOM CUT CONTEST DALSA HIGH BALSA PRICESAll Sheets Piece ed Close Tolerances WITH SUPER QUALITYIAAA Grade Dried ped 100% PINE STICKS 34 BALSA TRIANGLES 36 Satisfaction Guaranteed Direct Only BALU SHEETS W 4 30 1/16233 3/32240 1/8243 3/16249 114 266 1/32337 1/20337 1/183374931 3/323- 6837 1/8 3 56 7146 3/163 62 8366 1/4 3 73 9661 6/163 86 3/8 38812471 1/2 r3110156 3/4 3166 1/164687648 3/324709466 1/8 48010666 1/1649312276 3/8 4166 226 1/2 r4226 261 MATCIED SHEETS 43 3/334100 1/84108 3/164120 1/44131 BALSA STICKS 36 45 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/8 1/808 1/8 1/41116 1/8 3/81218 1/8 1/21824 3/183/161116 3/16 3/817 3/16 1/22220 1/4 1/41624 1/4 3/81926 1/4 1/22130 1/4 3/43444 1/4 140 6/185/162128 3/8 3/82737 3/8 1/23246 3/8 3/44266 3/8 162 1/2 1/23863 1/2 3/44662 1/2 166 6/8 6/640 3/4 3/467 BALSA HOT LINE Cml 1506 745-6394 10.- 6pm Centrel Time LONE STAR MODELS 1623 57th St Lubbock TX 79412 1/41/4 3/83/8 1/21/2 3/43/4 1 1 BALSA PLANKS 11 12 13 14 11/23 11/24 22 23 24 33 34 TAPERED SHEETS 1/42 1/43 3/82 3/83 1/23 LONE STAR EPOXY 9,Let--BOB Ore696 16,696 30,698 LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32366 1/8367 3/16376 1/4386 3/83116 1/23139 3/43220 300 1/16478 3/32491 1/84100 3/164117 1/44138 3/84207 688 1/34282 36 65TBAILNG EDGE36 851/4132 666/1611/439 983/811/346 1201/2270 INSTANTGLUE 1 k298 1 298 2, Thick550 2e Thin660 _____________________________________________ / a serious modeler want performance must try 4-6 lb balsa 48 HARD M4P6EIS 1/61/81317 1/43/840 1/81/41623I 3/83/846 1/93/62027 3/81/366 3/163/161724 3/83/466 3/16 3/82332 1/23/466 3/161/22040 1/4 142637 1/43/82042I BIRCH DO WELS36 1/41/23447 1/800 3/83/63752 1 1/414 6/1626 SPRIJCE STICKS 36 48 3/832 1/9 1/815 1/8 1/41624 1/8 3/82029 3PLYBIRCH48 3/163/16251/6412525 1/4 1/4311/3212426 1/4 3/820601/1612420 3/8 3/84663/1/812450 3/8 1/20570/ 1/2 1/26088I 1/2 3/498U/ SPRUCE TRIANGLES 36 3/83/845 1/21/261 3/43/477 LITEPLY 48 1/86166 1/812300 SPLSBIRCH48 3/3212570 1/812686 3/1612666 1/412600 SHOOVED LO MOUNTS 1319868 3/83/4/1/8/40 3/83/4/6/32/40 1/33/4/3/16/46 26 20 26 46 55 36 66 166 200 298 276 360 226 325 436 498 BASSWOOD45 3/163/1626 3/161/420 3/163/838 3/161/249 3/163/466 1/41/442 1/43/849 1/43/480 3/83/866 3/81/270 3/6 3/498 1/21/298 1/23/4100 BUNDLE DEALS 20-1/6320685 201/164201020 203/32 336846 163/32436966 161/8320716 101/8420676 163/16320900 103/16420810 101/4336620 101/4436698 103/8320866 63/8420625 61/2320540 61/2436866 103/32449845 61/8449485 63/16440595 61/4440625 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO WacceplV/sa Master Card persoa1 check, COO 4-1/8% Ia iTeas US crrency Minim,m Order 01000 mm ~I v wu ] matically ejected cockpit Almost immediately realized mistake made prayed God give him another chance save aircraft Did guess mistake aircraft inverted spin could have recov ered realized time Too late Uncle Sam lost perfectly good airplane because mistake Im sure us could relate experience because made mis take something happened wish would have happened Lets hope fly model according AMA Safety Code never over spectators make error judge ment pride will injured Emergency ProceduresPractice Planfling title appeared head article Accident Prevention safety brochure put out FAA directed full-scale private pi lots enclosed letter John Hunton architect AMA HQ building John also sent two designs safety logo see Safety column August 1987 issue MA will discussed further next months column article FAA brochure discussed emergency landings result partial complete engine failure Since such failures uncommon model fliers thought subject emergency procedures worthwhile topic column times have observed experi enced yourself engine sag completely die during climbout after model has just taken off happens timeright So what correct countermeasure prevent destruc tion model no single answer question since depends type model Continued page 22 ROUSH KITS TaylorCraft FuN spin 1GW Aa 1670 C8pped 84 A. 1300 Power 76 12 Cu Ply 2 lb. $9995 Super Sport 120 5pm 73 Aces 960 Power 766012 eu m $9995 Super Kwik Fli Span 70 Ages 927 Power 76901209 Ifl $8995 Everyday Seals P61 Span 76 Aie8 830 Power 76 12 CU /fl $9995 Jr Sticks Span 72 Aim 1080 Power 769012 eu $6995 Coming Soon 80 AT-S Prices Include shipping Direct Sales Onlye Sand $1 Catalog ROUSH MFG 1726 Dywood Ut SE Caste Ohio 44707 2104644610 L IORE POWER WITH LESS NOIS four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELiZE Send self-addressed stamped enve lope $100 information call 203-877-1670 between 730 pm 930 pm EST Mon-Fri DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 064O tein quiet combustion chnolo since 1976 20 Model Aviation v Horn Old Timer1 7tI born 440dd S4/LAaZOs8 GAS MODEL 1 991 BROOKLYN DODGER 56 Cabin 5055NEWEST5 Retail $52955INTRODUCTORY PRICE* $3900 1938 Record Breaker 96 $6956 1939 Zipper 50$5356 1938 Kloud King 63 $14236 1991 Brigidier 56 $9076 1941 Super Quaker 78 $2276 19140 So Long 58$3836 1936 Buccaneer 89 $5996 1938 Clipper MKI 72$Il1 56 1937 Dallaire 108 $7516 1935 Miss America 814 $7196 1941 Playboy Sr 80 $5116 1941 Playboy Jr 54 $3116 1938 Powerhouse 89 $53 56 1998 Sailplane 78 $8076 1938 Trenton Terror 72 $0076 1948 Ranger 06$3196 1939 Korda Wake 1414 $1916 1939 Mercur 72 $5836 kits qualify SAM events FE & Rid feature highest quality machine cut & sanded parts Superior Competition sheet strip wood wire & window material Plans orig FE models easil convertible Sch Rid KITS Sailplanes Electric power Gas fiSEy Horn SENSOAR Glider 78 $1888 Midway Model GNOME R/C Hand Launch Glider$214O8 Jolly Models FLINGER R/C HLG 58 Span$21400 Midway Model FAST EDDIE Aerobatic /85 Elec$1988 Jolly Models ELECTRICUS Electric Glider 85s$3258 Leisore PLAYBOY SR 67 Gear 05 Elect $3088 Astro ASTRO SPORT 37 Direct 85 Elect$2250 Leisure WASP 37 Direct 81 Electrics$2255 Midway ULTRA MK IV 86 Geared 09 EP $3980 Midway FLYING QUAKER 89 98-14514 stroke $61476 Oks/Midway DENNY JR 72 Alum Cowel$6396 14k Midwa BUZZARD BOMBSHELL 721196 FULL LINE F ELYS arts val SHIP ING & HANDLI 04 Page CA S Up $880 add $158 $280 PP/tat Class $881 $2050 add $225 copy will sent $2001 $14505 add $380 freewhen requested $9581 $7008 add $350 order over $7080 add $908 HOBBY HORN CA Addressees add 6% taX 15173 Moran St [A] Send MO VisafMC#vEwp PO Boa 2212 Check allow up 30 Westminster Ca 92689 days CK clearance 17114 8938311 COD Ewact Charges plus $158 Hdl Cash Only [Aft Hrs 719 8951283] YOU flying high model engine problem occurs terrain Sur rounding runway model flying field chances Murphys Law full force will seldom have enough airspeed return runway make landing wind judge may may possible answer Practice previous Safety columns Ive discussed flight training programs clubs conduct benefit new members have never flown RC model However dont recall struction handle emergencies flight training programs have sent Im suggesting instructors should shut off engine students model just clears fenee end runway immediately after takeoff However seems fledgling RCer would benefit given some instruction make deadstick landing after instructor closes throttle safe aft iujde airplanes glideeven 747s Some just glide better others better mean will travel greater distance given altitude So pays know early life model will behave glide situation may inadvertently face should engine suddenly become quiet suggestion would teach beginners make dead-stick approach Have stu dent begin normal traffic pattern approach see picture Approach Rectangular Circuit FAI Scale rules page 118 current AMA rule book model passes front pilot its beginning upwind leg have him close throttle suggest engine brought idle rather stopped completely since may needed again maneuver Continued page 138 TRIM KNIFE Trim Knife designed precisely edge trim excess cover ing material model Can used outside edges slraighl curved Blade can set 1/16 1/4 simple adjustment screw Trim Knife will make perfect overlap butt seams Works coverirg malerials 6 blades Trim Knife 501 includes 6 blades $900 Trim Knifn Plsles 5 per pack $300 22 Model Aviation NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs 19 oz Introductory Price $15495 Travel Air 04000 D4D Span 785 Length 5675 Wing Loading 15 lbs 21 oz Clip Wing Span 695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 13 lbs z Introductory Price $15495 1/5 Sport Scale Miniature Aircraft Highly Prefab Kit Form Featuring UL TRALOK Construction Techniques Super Fast Assembly Suitable 90 2 Cycle 2 Cubic Inch Gas Quarter Scale Travel Air 2000 23 lbs Travel Air 40009925 lbs Mark 4JB Special Convertible ow Wing IS lbs plan 2 versions 78 Biplane 18 lbs Fokker D-VlI 88 German WWI Fighter Biplane 23 lbs Waco UPF-7 iplane 23 lbs Sopwith Tripehound 80 WWI Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kIts complete contaIn fiberglass parts preformed landIng gear cabanes machIned & dl cut wood full hardware package Plans Included wIth comprehensIve construc sIan manual contaIning photoa addItIonal drawlnga Full rIggIng kIts requirIng lIttla akIll IncludadAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add *iO shipping charge Allow 4 weeks delivery Checks MO payable Behrlan Corp fastest service send Postal Mortey Order bank cheqk No COD orders Call write information NV State reaiderta add appropriate seles tea * ITT 7DAJIIlr internotched self-aligning goof-proof assembly method Construction fast simple UI-i 1I&tIIjLI1 will able frame airplane about 25 hours Air Kit Experts Jerry Behrens Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 Safety/Preston Continued page 22 botched may also prudent student very skilled have him deliberately start dead-stick approach little high figuring first dead-stick landing will really landing merely pass down center line runway altitude 50 ft Practice makes perfect dont settle just successful attempt Have student repeat approaches until comfortable knowing model will perform true emergency None above discussion answers ques tion attempt return runway engine dies climbout recommenda tion would always avoid turn hack runway possible Ive seen lot models re-kit themselves attempted However knowing glide performance model will help make correct decision such circumstances Have another safe month Joht Preson 2812 Northampton St NW Washington DC 20015 Sea Loon/Lennon Continued page 38 bly hull wing booms horizontal tail plane necessity drawing provides dimensional detail blocks styro foam Install four servos the hull attach five clevis-and-pushrod assem blies flap aileron rudder ele vator horns protruding wing center Section underside Install wing hull Pushrods aileron elevator rudder pass through opening provided bulkhead H3 flap pushrod passes through bulkheads H3 H4 wing may bolted hull pushrods installed con nectors appropriate servos Position wing-hull assembly fixture keel resting full-length board Install booms cementing liberally wing align Add horizontal tail plane shown cement cement has set install rudder elevator pushrods booms front connection rudder horn made right-angle bend /32-dia music wire pushrods Attach rudder elevator devises booms appropriate horns Connect rudder L-bends cutdown elevator rear devises rudder elevator horns Adjust threaded couplings forward rudder elevator devises rudders elevators neutral position forward horns vertical Add lower boom cover B 12 cover MonoKote nacelle installed its slot wing liberally cemented after pulling engine servo extension wiring forward hull Add wing-strut balsa block fairings install upper lower wing skins ribs fill gap between flap inboard ends holes ribs Ae flap torque rod should fit closely rods prevent leakage Sealing Use silicone seal wing-to hull connections below wing hull openings sealed covering MonoKote after adjusting servopush rod connections see photo slit MonoKote will permit receiver batterycharging jack pulled out charging Masking tape will seal slit hull cover installed over MonoKote seal Landing Gear removable tricycle landing gear shown photos drawings optional Its installation does significantly alter center-of-gravity CG location landing gear legs enter sockets melt bit solder can filed provide firm yet easily removable connection Exhaust Manifold Tatone 09- 19 ends threaded 2 56 accept 2 56 nuts shown nacelle top view Use No2 lock washers under nuts However possess Dremel drill drill press better method hand Drill No 50 tap 2- 56 bosses side engine exhaust OS Max 15 RC -in deep Drill corresponding holes lower half engine inverted manifold permits bolting half manifold directly engine 2 56 bolts li-in long No 2 lock washers upper half manifold installed holes normal attachment method plugged short 4 40 bolts after being tapped 4 40 threads brass exhaust tube held manifold small self-tapping screw supplied Goldberg flat hold-downs inserted 6 hole drilled through both manifold tube Bending brass tube exhaust does impinge wing requires heated red-hot bent very carefully avoid buckling Now youve built Sea Loon youre ready try first launching Wait day water quiet barely ripplingand watch break free waters bond Youre going enjoy flying boat Radio Technique/Myers Continued page 41 second training sessionReview Fun damentals means student should maneuver least once As instructor looking confidence student can keep airplane upright level he/she understands turns Continued page 140 138 Model Aviation Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000

John Preston Safety Comes First Preflight checks vital about standard placement RC transmitter con trols Keep kids safe too Practice some emergency flight procedures ATTENTION Helicopter pilots slim mest folders Safety Comes First file drawers titled Helicopters doesnt necessarily mean fly less likely involved accident since Im sure people very much minority comes count flies what recent letter Patrick OConnell modeler King NC described accident sustained Helicopter pilot suggested need special preflight check such models Patricks words what happened follows incident occurred pushrod Helicopters rotor head snapped model flight particular linkage broke controlled forward motion cyclic pitch JDP Helicopter pushrod broke pilot hovering Helicopter pointing directly towards him found unable stop machines forward motion because lacked time get Out its way struck head tail rotor model immediately crashed just few feet away Al though pilot required stitches close wound injury sustained relatively minor able retum field later day collect equipment feel two lessons leamed incident First never fly alone accident occurred pilot alone field main rotor struck him head could have very serious trouble people idea flying someone else common sense However num ber people club myself included often fly alone incident however has changed peoples minds second lesson concems Helicopter mod els themselves Because high degree complexity great number moving parts probable prone mechanical failure fixed-wing aircraft models Perhaps some extra time should spent performing preflight check Helicopter models cut ting safety comers save some money simply asking trouble major reason reprinting Patricks letter Safety column concems suggestion take some extra time preflight check before attempting flight previous column have discussed preflight checklists fixed-wing mod els Ive responded letters requesting such checklists Both maiden flight routine flight checklists available sending SASE However since Im Helicopter flier have no knowledge steps should fol low preflight-check rotary-wing model anyone flies such models would care send such checklist will glad put column benefit others Standardized layout transmitter controls Just few days before sitting down write column read newspaper article about nearcrash scheduled airline flight al legedly caused pilot inadvertently shutting off switch fuel pump As recall ac count airliner descended within 600 ft ground before error discovered rectified occurred inadvertent flipping wrong switch RC transmitter may also source number crashes Over years Ive writing column Ive received numerous reports model ers taking off controls reversed because switches transmitter checked ensure position supposed also witnessed flight model flown well-known Scale modeler shall nameless drop its bombs takeoff pilot mistakenly operated bombrelease switch instead switch retract flaps However dont recall ever seeing hear ing about model crashing because wrong switch operated during flight So perhaps Im barking up wrong tree wonder would worth having standardized locations various switches model aircraft RC transmitters present time have two standard ized layouts primary flight controls Modes II other control levers/switches may found anywhere face sides trans mitter depending its brand model number Does anyone out besides myself think would worthwhile have standard layout say trim levers various other auxiliary control switches transmitters elect respond question might also give some thought placement switches control operations nor mally conducted ground whether such switches should protected cover plate prevent inadvertent operation during flight responsible several columns over Continued page 16 Thu column ii provided eddies Items concern regarding safety aspects model aviation activities Content clnmn however opinion time author des net necessarily represent official position Academy f Model AeronautIcs 14 Model Aviation c/f IIj- NT T CI4EC OUT T14 CIIOPiER.S MOWN PAPTS NOFtOWS ADDS NEW GLO TO YOUR ENGINE Len- Tne KWIK-KLIP III last gb-plugThe KWIK-KLIP Ill features aluminum igni er will ever need buy Its con-battery housing uses standard 1 2V venient portable powersource features1200 mAh rechargeable Nicad Batteryc use replaceable N cad Battery *This battery can replaced will no Never run out power Carry along anlonger hold charge THERES NO extra fully-charged Nicad ifNEED TO DISCARD THE ENTIRE needed simply replace right onUNIT KWIK-KLIP Ill spotcomes its own Bite Tite socket ischarger 125 mA output charger comes LED charge indicator KWIK-KLIP Ill fits stan dard 4-cycle gb-plugs No 396 KWIK-KLIP Ill Charger No397 KWIK-KLIP Ill Without Charger spring-loaded . wont loosen rotate fall off under heavy engine vibration large finger flange provides positive non-slip grip lock onto remove easily gb-plug No pushing. Notwist ing necessary CRAFT SCIENTIFIC INC 2007 New York Aseose Hoe egorSaoe NY 11746 VISA 516 5491571 o Free Price Bastieg Bayieg Gaide Electronic GOODIES INCLUDING NICADS & CHARGERS o Enclosed check Charge C VISA C MC C AMEX Acct 8Eop Card Holders Name Name Address l Potttsrs nnt lncltjded past year Ive described incidents children modelers victims inci dents generally occurred because access workshop letter arrived last month Gerald Rudisail flies Western Carolina Skyhawks following teresting comments subject 1 have RC flier about four years now enjoy column very much ever feel must address very Serious point see more daily responsibility parents respon sibility modelers Time time again see letters column about childrenand babiesbeing injured modeling tools supplies Dont partnts modelers particular have sense responsibility dont keep tools supplies locked up cant close workshop cant watch chil dren carefully have instant glues stant finishes instant battery charging stant ARF flying takes instant lose life maim cripple Please parents modelers Cabbage Patch dolls house workshop children Please treat such Real ize canand willgo anywhere anything unless stopped Most accidents have seen reported column have preventable just little responsibility supervisionand some common sense Lock door put up tools install child gates childproof latches model can rebuilt child cant Thank reason elected use Geralds letter column concerns same subject regular bread-and-butter jobchildrens Continued page 18 PILOT GLASSES Safety Products Modelers Dy Modelers Sunglasses ANSI Z871 approved safety glasses Fits over prescription glasses Extremely light weight additional comfort Free-flow ventilation system temples Wrap around side protection Anti-fog Anti-ultraviolet radiation Available clear gray mirror caseincluded Clear$1095 Gray$1195Ask about Mirror$1495club discounts Ask about other safety products 1BC Halan Fire Extinguisher $1495 Shipping handling add $275 Visa Mastercard accepted NO CODs Send cashiers check money order Safety Plus 1I iPO Box 1173 AlIKEClinton MS 39056 601 924-9640 16 Model Aviation III 6$3395 DIGITAL 5 00 MULTIMETER DCV ACV CD DISPLAY DCV IOAI 8 INPUT OHMS LOAD PROTECTION iM 0 BATTERY INDICATION BATTERY INCLUDED Sport plane both LAND WATER Designed Mr Sunday Filer himself airplane created enjoy tremendous thrill beauty flying off water .but Seamaster 40 elegant flying boat few minutes install landing gear remove tip floats converts Seamaster nicest looking land planes youve pleasure fly off hard surface grass Seamaster has some best manners plane around Its high lift wing provides slow predictable flight plus its quick get up on-the-step break water water mode Also water pylon mounted engine T-tail stabilizer stay out spray accelerating retractable water rud der prevents unwanted weather vaneing makes water handling snap steerable nose gear fumished handles chores ground mode charac teristics combine make plane Sport Trainer category docile enough novice agile enough Sunday Flier Typical Ace R/O quality crisply die-cut balsa lite ply parts complete hardware easy assembly sensible engineering clear plans photo illustrated assembly manual Ace R/O 116 W 196t St. PO Son sliMs HiggionvIle MO 64037816 584 7121 odered rect add $200 handing complete Catalog $200 safety cases parents underestimate childrens capabilities accident may result example takes seconds infant baby walker scoot over stairway perhaps see Dad going work shops basements Did Dad close door basement stairs Perhaps intend ing retum immediately just stated takes seconds - However accidents result carelessness lack responsibility Sometimes just plain misread clues accident occurs because made genuine mistake retum subject airplanes story told several years ago modeling friend comes mind concems mistake made piloting WW Il-era military aircraft early career despite fact couple drinks told story sup posed true event occurred shortly after friend eamed pilots wings piloting aircraft 1 forget what type was diffi cult impossible recover spin However possible recover aircraft inverted spin Flight instructors warned students about aircrafts peculiar ities1 telling spin should develop bail outunless spin verted case recovery technique taught cut long story short friend did get aircraft spin after briefly attempting recovery decided instructors correct would have bail out So slid back canopy released harness prepared climb out cockpit However no climbing necessary minute freed harness Continued page 20 18 Model Aviation CLEVELANDS GIANT MANY NEW FOR R/C BUFFS Oneigned Ao Ba, Motoo Flying Model Folloonro BoiIlUp Proooeype Pootoo Wood ond Fob,o R-pIic 9,jld-o o- TI,,15 ,Id, Yo, New HiBooinally PreenBedI 87CooOJN4Joooy$578108 Moeqolo Bb $42 84 Foklo 07 F,$392 10959 Moq, Bo b $55 70 Boyle Gee-Boo $322 9$ Sleor PT17Koy6OI $5660 Oooood Pole Boon $322 99 N81kWdoo P61$69 60 Sopeonooooo S6n t24 71 Doog DC 3 1C471 $35 89 So pel01olino 068 $352 95 Doog DC 3 1C471 ass 53 Cool Hocok P61 $42 86 Hookteoooo 13 $32 94 Col Hood 9-69 $$4 64 Slol Sky Ce$18 74 Doolilolee 0$ 11 $48 72 Co 0231/4 LOS $46 95 Mooooope $po $36 139 Co 0201/4 LOS $0680 Poll Spr Bolidog $43 60 Dooglo M 2 Mod $24 107 AeconOn C-S Op $35 68 B oI Blidog F, $30 02 Hooood Boon Ike $4559B oBoco ML $54 789oon, W-W Ro $35 107 Goo Beool PBF $54 * O3CoGohk FlIC $42 OPLiodbegNX211$28 94 C Cohk Fl C S54ol 91 Lindbego NO 211 $39 8600901 Coool Boo $24 96W NW No Boo $48 92 HooMMoIIjgO0 $25 74 C Helido SB2C 6855 94 HoooMoMolligoo$4510890 oh P919 Tr $59 63 Boeing F26A Fl$36OOWooo Dope W 09 $36 84 Booog P-26A Pr$4890 Wooo Tepe W 09048 69 Wooo C-6 Ceblo$3675 Wn,l 4 Lycoodoc $32 64 Boooh C17-B Slog$38100 WoelId Lyeode $49 96 Boech C17B Slog$49257 Pod T6nl 4-AT $36 - $5 Lok 11 Bloolco$3076 Pod 510111 4-AT$48 B3 Lok 11 Eleollo$40114 Ford 5111 4-AT $65 251i0en T/W Sf7$1896 Bniloooe Ajoooi$40 81 511000 9/W Sf7$3693 Loooiog C-2Aroph $49o- o 22 011000 0/W Sf7 $3858 Groo J2-P $ook 59 81101 Pr P2-n$2978 Goo 33-F $ook$56 118 B1loI Fl 92DB$45ol 124 Lock Al 1090, $48740onO, Peoo$45 62 look Al Eopce,$24 56 Coo Wehb P40$2493 Lock Al topree$36 60 VogI Co,ei P40$3377 WWn, 121 BndL $48 80 V0gl Co,ei P40$8963 C Seohocol F7C-1$45 78 Look Li$hlng P38 $3894 C Seohoonk FTC-I 557- 56 BepSee-Bee An$24108 Siko 0-38 Ao91o $49 74 Bep$oo-Boe An$3960 Boniog 190 Spool $36 70 Piper 3-3 Cob$2990 Boeing 100 Spol $49o 106 Pipel J-3 Cob839s72 Nooohop Gonono $48 98Leob Hodeon Bob $3896 Noolhoon Gonno $73 63 Goon P69 Hellool $2890 0li0oA Looo 3/M $58 77 Boeing BI7GFol$3$60 00 ne Looo3 M $42 103 Boo B-170 Pool$55lOOS no Looo 3 M $82 68 Weell Wirioloniod$3278 Coneo CoO PBY5A 842 48 N Ano Noolon$39lO4ConCo PBY5A$36y 68 BOononee V-Toil$3P65 M Ck no C non865 77 Looonbe Sedeo $2597 M Ch oe CI ppn$79 72 NA B-25 Bonboo $4942 Co I, NC 4 $39 65 MMqeodn 8-34 $4994 Cool, NC 4 5$49 00000 0300 lOOlOOnKO8003mW 003 03000 OLo4 Ooeo 1230 pOlo,6 73 Pole 001 50oUp Add 0% 00 oil ordr fo hipp ng & n eon USA Con & PAooOiagbEgJLL% 13358 o,1 PinOOliOl onleleg 1205 linolodo Pole L,oI Pooc 10 ooeen 0010 tI 09 bye gn odd $100 CLEVELANDMODEL&SUPPLY Co OCCOED t PoCCOEBon 080MB USC OH 5000 001$ 93B71 OBTUOIT AVECLEVELAND OHIO 44802 0008 0 0001 0 _________ NWI R1IIT RADIO CONTROL P-Si MUSTANG 10 25 TO 45 ENGINES WING SPAN 55 2995 THIS IS THE SIXTH RELEASE OF OUR INCREASINGLY POPULAR EASY-BUILD SHORT KITS THE REALISTIC LOOKING MUSTANG FLIES LIKE DREAM WITH PLENTY OF WING AND TAIL AREA FOR FULL-RANGE POSITIVE CONTROL AS WITH ALL OUR SHORT-KITS THE MUSTANG IS DESIGNED AROUND FOAM WING AND BOX FRAME FUSELAGE FOR SIMPLE AND STURDY CONSTRUCTION WE FURNISH THE ESSENTIAL PARTS ALONG WITH EASY-TO-FOLLOW PLANS AND LET THE BUILDER SELECT HIS OWN WOOD AND ADDITIONAL HARD WARE SHORT KIT INCLUDES PRECISION CUT ARCOFOAM WING CORES ABS HIGH-IMPACT COWLING AND BELLY COOLER FORMED WING GUN PORTS AND EXHAUST CRYSTAL CLEAR CANOPY WITH FRAMEWORK PLYWOOD FIREWALL O LANDING GEAR STRAPS BLOCKS AND SCREWS O FORMED STEEL ENGINE MOUNT CONTROL SURFACE HINGES CLEAR PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES BILL OF MATERIALS NO BALSA INCLUDEDI ORDERING SEND CHECK OR MONEY ORDER FOR 2550 PLUS 450 POSTAGE CANADIANS ADD 650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD Ei/ SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 0350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE CATALOG FREE WITH ORDER A77 PHONE wjivry/qr815-459-0417 AA * WE ARE SHOOTING DOWN-% 4 ~STOM CUT CONTEST DALSA HIGH BALSA PRICESAll Sheets Piece ed Close Tolerances WITH SUPER QUALITYIAAA Grade Dried ped 100% PINE STICKS 34 BALSA TRIANGLES 36 Satisfaction Guaranteed Direct Only BALU SHEETS W 4 30 1/16233 3/32240 1/8243 3/16249 114 266 1/32337 1/20337 1/183374931 3/323- 6837 1/8 3 56 7146 3/163 62 8366 1/4 3 73 9661 6/163 86 3/8 38812471 1/2 r3110156 3/4 3166 1/164687648 3/324709466 1/8 48010666 1/1649312276 3/8 4166 226 1/2 r4226 261 MATCIED SHEETS 43 3/334100 1/84108 3/164120 1/44131 BALSA STICKS 36 45 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/8 1/808 1/8 1/41116 1/8 3/81218 1/8 1/21824 3/183/161116 3/16 3/817 3/16 1/22220 1/4 1/41624 1/4 3/81926 1/4 1/22130 1/4 3/43444 1/4 140 6/185/162128 3/8 3/82737 3/8 1/23246 3/8 3/44266 3/8 162 1/2 1/23863 1/2 3/44662 1/2 166 6/8 6/640 3/4 3/467 BALSA HOT LINE Cml 1506 745-6394 10.- 6pm Centrel Time LONE STAR MODELS 1623 57th St Lubbock TX 79412 1/41/4 3/83/8 1/21/2 3/43/4 1 1 BALSA PLANKS 11 12 13 14 11/23 11/24 22 23 24 33 34 TAPERED SHEETS 1/42 1/43 3/82 3/83 1/23 LONE STAR EPOXY 9,Let--BOB Ore696 16,696 30,698 LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32366 1/8367 3/16376 1/4386 3/83116 1/23139 3/43220 300 1/16478 3/32491 1/84100 3/164117 1/44138 3/84207 688 1/34282 36 65TBAILNG EDGE36 851/4132 666/1611/439 983/811/346 1201/2270 INSTANTGLUE 1 k298 1 298 2, Thick550 2e Thin660 _____________________________________________ / a serious modeler want performance must try 4-6 lb balsa 48 HARD M4P6EIS 1/61/81317 1/43/840 1/81/41623I 3/83/846 1/93/62027 3/81/366 3/163/161724 3/83/466 3/16 3/82332 1/23/466 3/161/22040 1/4 142637 1/43/82042I BIRCH DO WELS36 1/41/23447 1/800 3/83/63752 1 1/414 6/1626 SPRIJCE STICKS 36 48 3/832 1/9 1/815 1/8 1/41624 1/8 3/82029 3PLYBIRCH48 3/163/16251/6412525 1/4 1/4311/3212426 1/4 3/820601/1612420 3/8 3/84663/1/812450 3/8 1/20570/ 1/2 1/26088I 1/2 3/498U/ SPRUCE TRIANGLES 36 3/83/845 1/21/261 3/43/477 LITEPLY 48 1/86166 1/812300 SPLSBIRCH48 3/3212570 1/812686 3/1612666 1/412600 SHOOVED LO MOUNTS 1319868 3/83/4/1/8/40 3/83/4/6/32/40 1/33/4/3/16/46 26 20 26 46 55 36 66 166 200 298 276 360 226 325 436 498 BASSWOOD45 3/163/1626 3/161/420 3/163/838 3/161/249 3/163/466 1/41/442 1/43/849 1/43/480 3/83/866 3/81/270 3/6 3/498 1/21/298 1/23/4100 BUNDLE DEALS 20-1/6320685 201/164201020 203/32 336846 163/32436966 161/8320716 101/8420676 163/16320900 103/16420810 101/4336620 101/4436698 103/8320866 63/8420625 61/2320540 61/2436866 103/32449845 61/8449485 63/16440595 61/4440625 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO WacceplV/sa Master Card persoa1 check, COO 4-1/8% Ia iTeas US crrency Minim,m Order 01000 mm ~I v wu ] matically ejected cockpit Almost immediately realized mistake made prayed God give him another chance save aircraft Did guess mistake aircraft inverted spin could have recov ered realized time Too late Uncle Sam lost perfectly good airplane because mistake Im sure us could relate experience because made mis take something happened wish would have happened Lets hope fly model according AMA Safety Code never over spectators make error judge ment pride will injured Emergency ProceduresPractice Planfling title appeared head article Accident Prevention safety brochure put out FAA directed full-scale private pi lots enclosed letter John Hunton architect AMA HQ building John also sent two designs safety logo see Safety column August 1987 issue MA will discussed further next months column article FAA brochure discussed emergency landings result partial complete engine failure Since such failures uncommon model fliers thought subject emergency procedures worthwhile topic column times have observed experi enced yourself engine sag completely die during climbout after model has just taken off happens timeright So what correct countermeasure prevent destruc tion model no single answer question since depends type model Continued page 22 ROUSH KITS TaylorCraft FuN spin 1GW Aa 1670 C8pped 84 A. 1300 Power 76 12 Cu Ply 2 lb. $9995 Super Sport 120 5pm 73 Aces 960 Power 766012 eu m $9995 Super Kwik Fli Span 70 Ages 927 Power 76901209 Ifl $8995 Everyday Seals P61 Span 76 Aie8 830 Power 76 12 CU /fl $9995 Jr Sticks Span 72 Aim 1080 Power 769012 eu $6995 Coming Soon 80 AT-S Prices Include shipping Direct Sales Onlye Sand $1 Catalog ROUSH MFG 1726 Dywood Ut SE Caste Ohio 44707 2104644610 L IORE POWER WITH LESS NOIS four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELiZE Send self-addressed stamped enve lope $100 information call 203-877-1670 between 730 pm 930 pm EST Mon-Fri DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 064O tein quiet combustion chnolo since 1976 20 Model Aviation v Horn Old Timer1 7tI born 440dd S4/LAaZOs8 GAS MODEL 1 991 BROOKLYN DODGER 56 Cabin 5055NEWEST5 Retail $52955INTRODUCTORY PRICE* $3900 1938 Record Breaker 96 $6956 1939 Zipper 50$5356 1938 Kloud King 63 $14236 1991 Brigidier 56 $9076 1941 Super Quaker 78 $2276 19140 So Long 58$3836 1936 Buccaneer 89 $5996 1938 Clipper MKI 72$Il1 56 1937 Dallaire 108 $7516 1935 Miss America 814 $7196 1941 Playboy Sr 80 $5116 1941 Playboy Jr 54 $3116 1938 Powerhouse 89 $53 56 1998 Sailplane 78 $8076 1938 Trenton Terror 72 $0076 1948 Ranger 06$3196 1939 Korda Wake 1414 $1916 1939 Mercur 72 $5836 kits qualify SAM events FE & Rid feature highest quality machine cut & sanded parts Superior Competition sheet strip wood wire & window material Plans orig FE models easil convertible Sch Rid KITS Sailplanes Electric power Gas fiSEy Horn SENSOAR Glider 78 $1888 Midway Model GNOME R/C Hand Launch Glider$214O8 Jolly Models FLINGER R/C HLG 58 Span$21400 Midway Model FAST EDDIE Aerobatic /85 Elec$1988 Jolly Models ELECTRICUS Electric Glider 85s$3258 Leisore PLAYBOY SR 67 Gear 05 Elect $3088 Astro ASTRO SPORT 37 Direct 85 Elect$2250 Leisure WASP 37 Direct 81 Electrics$2255 Midway ULTRA MK IV 86 Geared 09 EP $3980 Midway FLYING QUAKER 89 98-14514 stroke $61476 Oks/Midway DENNY JR 72 Alum Cowel$6396 14k Midwa BUZZARD BOMBSHELL 721196 FULL LINE F ELYS arts val SHIP ING & HANDLI 04 Page CA S Up $880 add $158 $280 PP/tat Class $881 $2050 add $225 copy will sent $2001 $14505 add $380 freewhen requested $9581 $7008 add $350 order over $7080 add $908 HOBBY HORN CA Addressees add 6% taX 15173 Moran St [A] Send MO VisafMC#vEwp PO Boa 2212 Check allow up 30 Westminster Ca 92689 days CK clearance 17114 8938311 COD Ewact Charges plus $158 Hdl Cash Only [Aft Hrs 719 8951283] YOU flying high model engine problem occurs terrain Sur rounding runway model flying field chances Murphys Law full force will seldom have enough airspeed return runway make landing wind judge may may possible answer Practice previous Safety columns Ive discussed flight training programs clubs conduct benefit new members have never flown RC model However dont recall struction handle emergencies flight training programs have sent Im suggesting instructors should shut off engine students model just clears fenee end runway immediately after takeoff However seems fledgling RCer would benefit given some instruction make deadstick landing after instructor closes throttle safe aft iujde airplanes glideeven 747s Some just glide better others better mean will travel greater distance given altitude So pays know early life model will behave glide situation may inadvertently face should engine suddenly become quiet suggestion would teach beginners make dead-stick approach Have stu dent begin normal traffic pattern approach see picture Approach Rectangular Circuit FAI Scale rules page 118 current AMA rule book model passes front pilot its beginning upwind leg have him close throttle suggest engine brought idle rather stopped completely since may needed again maneuver Continued page 138 TRIM KNIFE Trim Knife designed precisely edge trim excess cover ing material model Can used outside edges slraighl curved Blade can set 1/16 1/4 simple adjustment screw Trim Knife will make perfect overlap butt seams Works coverirg malerials 6 blades Trim Knife 501 includes 6 blades $900 Trim Knifn Plsles 5 per pack $300 22 Model Aviation NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs 19 oz Introductory Price $15495 Travel Air 04000 D4D Span 785 Length 5675 Wing Loading 15 lbs 21 oz Clip Wing Span 695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 13 lbs z Introductory Price $15495 1/5 Sport Scale Miniature Aircraft Highly Prefab Kit Form Featuring UL TRALOK Construction Techniques Super Fast Assembly Suitable 90 2 Cycle 2 Cubic Inch Gas Quarter Scale Travel Air 2000 23 lbs Travel Air 40009925 lbs Mark 4JB Special Convertible ow Wing IS lbs plan 2 versions 78 Biplane 18 lbs Fokker D-VlI 88 German WWI Fighter Biplane 23 lbs Waco UPF-7 iplane 23 lbs Sopwith Tripehound 80 WWI Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kIts complete contaIn fiberglass parts preformed landIng gear cabanes machIned & dl cut wood full hardware package Plans Included wIth comprehensIve construc sIan manual contaIning photoa addItIonal drawlnga Full rIggIng kIts requirIng lIttla akIll IncludadAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add *iO shipping charge Allow 4 weeks delivery Checks MO payable Behrlan Corp fastest service send Postal Mortey Order bank cheqk No COD orders Call write information NV State reaiderta add appropriate seles tea * ITT 7DAJIIlr internotched self-aligning goof-proof assembly method Construction fast simple UI-i 1I&tIIjLI1 will able frame airplane about 25 hours Air Kit Experts Jerry Behrens Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 Safety/Preston Continued page 22 botched may also prudent student very skilled have him deliberately start dead-stick approach little high figuring first dead-stick landing will really landing merely pass down center line runway altitude 50 ft Practice makes perfect dont settle just successful attempt Have student repeat approaches until comfortable knowing model will perform true emergency None above discussion answers ques tion attempt return runway engine dies climbout recommenda tion would always avoid turn hack runway possible Ive seen lot models re-kit themselves attempted However knowing glide performance model will help make correct decision such circumstances Have another safe month Joht Preson 2812 Northampton St NW Washington DC 20015 Sea Loon/Lennon Continued page 38 bly hull wing booms horizontal tail plane necessity drawing provides dimensional detail blocks styro foam Install four servos the hull attach five clevis-and-pushrod assem blies flap aileron rudder ele vator horns protruding wing center Section underside Install wing hull Pushrods aileron elevator rudder pass through opening provided bulkhead H3 flap pushrod passes through bulkheads H3 H4 wing may bolted hull pushrods installed con nectors appropriate servos Position wing-hull assembly fixture keel resting full-length board Install booms cementing liberally wing align Add horizontal tail plane shown cement cement has set install rudder elevator pushrods booms front connection rudder horn made right-angle bend /32-dia music wire pushrods Attach rudder elevator devises booms appropriate horns Connect rudder L-bends cutdown elevator rear devises rudder elevator horns Adjust threaded couplings forward rudder elevator devises rudders elevators neutral position forward horns vertical Add lower boom cover B 12 cover MonoKote nacelle installed its slot wing liberally cemented after pulling engine servo extension wiring forward hull Add wing-strut balsa block fairings install upper lower wing skins ribs fill gap between flap inboard ends holes ribs Ae flap torque rod should fit closely rods prevent leakage Sealing Use silicone seal wing-to hull connections below wing hull openings sealed covering MonoKote after adjusting servopush rod connections see photo slit MonoKote will permit receiver batterycharging jack pulled out charging Masking tape will seal slit hull cover installed over MonoKote seal Landing Gear removable tricycle landing gear shown photos drawings optional Its installation does significantly alter center-of-gravity CG location landing gear legs enter sockets melt bit solder can filed provide firm yet easily removable connection Exhaust Manifold Tatone 09- 19 ends threaded 2 56 accept 2 56 nuts shown nacelle top view Use No2 lock washers under nuts However possess Dremel drill drill press better method hand Drill No 50 tap 2- 56 bosses side engine exhaust OS Max 15 RC -in deep Drill corresponding holes lower half engine inverted manifold permits bolting half manifold directly engine 2 56 bolts li-in long No 2 lock washers upper half manifold installed holes normal attachment method plugged short 4 40 bolts after being tapped 4 40 threads brass exhaust tube held manifold small self-tapping screw supplied Goldberg flat hold-downs inserted 6 hole drilled through both manifold tube Bending brass tube exhaust does impinge wing requires heated red-hot bent very carefully avoid buckling Now youve built Sea Loon youre ready try first launching Wait day water quiet barely ripplingand watch break free waters bond Youre going enjoy flying boat Radio Technique/Myers Continued page 41 second training sessionReview Fun damentals means student should maneuver least once As instructor looking confidence student can keep airplane upright level he/she understands turns Continued page 140 138 Model Aviation Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000