John Preston Safety812 NFirst orehampton St NW Washingion DC ThIs column provided address Items concern regardIng safety aspects model aviation activides Content column however opinIon author does necessarily repmsent offidal position Academy Model Aeronautics Errors judgement Trash can fires Keep empty fuel containers out trash cans Safety Soapbox ERRORS judgement Henry Farrar editor LIDS flyer newsletter Long Island Drone Society recently sent copy page November 11 1931 issue British magazine Aeroplane page contained article titled Errors Judgement Since model airplane crashes result pilot er ror thought appropriate open months column some extracts article would give credit its original author ever no name given Accidents will happen best regulated families old proverb tells us top remember dictum Thomas Carlyle population Great Britain con sists did time thirty-five million people mostly fools wonder accidents far common Also remember dictum Mr Carlyle understand better according fig ures given Captain Lamplugh lecture week ago vast majority accidents ascribed errors judgement phrase error judgement useful covers everything genulne error calculation thoroughiy competent person way down act common tongue would described just plain damned foolishness analyze form accident care fully accident fact caused error judgement aeroplane breaks air has error judgement somewhere Either gentleman slide rule has made error judgement calculations has made something too weak somewhere workmm has erred judgement own work inspector has erred judgement good bad work pilot has committed error judgement diving machine too hard puiling out dive too roughly result has broken something quite strong enough ordinary service ground engineer has charge machine has coupled up something should have coupled has coupled some thing up too tight has broken owner himself has omitted have machine properly overhauled competent person conceiv ably owner may have done rough landing some other time through error judgement estimation speed distance height may have cracked something inside machine nobody could possibly have noticed or lots things might exceed margin error plus minus Thus see argue matter out logically can no such thing acci dent accident must due error somebodys judgement arrive very nice argument about far fool ought protected agasnat own folly far ought protected against errors judgement other people article went discuss just far government British Air Ministry should al lowed go protecting safety pilots correspondence receive both letters related column relate regular job involves product safety Government agency nothing has changed since 1931 Despite job Fed eral Government regulatory agency am strong advocate mandatory rules objec tive safety can achieved voluntarily feel same way about hobby police selves its unlikely Big Brother will step mandate must behave order protect ourselves others accidents Trash can fires last months column dis cussed first incident Im aware model caught fire air much likely event may potentially hazardous reported September 1988 issue Transmitter news letter Belleville Illinois R/C Fliers edi tor Darwin Evelsizer involved fire trash can club flying field Under heading Safety Notes following report News through grapevine tells inci dent clubs other side river modelers need take notice seems modeler put empty almost empty fuel container trash barrel someone decided burn trash wasnt burn ing fast enough strongly enough suit some dumped some fuel As can guess fresh fuel andlor vapors first container got hot enough explode guy stand ing close fire received second- thirddegree burns tried put out fire first guy burned hands rather badly THE MODEL FUEL THAT WE USE WONT VAPORIZE AND EXPLODE AS READILY AS GASOLINE BUT IT STILL WILL DO SO IF YOU PUSH IT HARD ENOUGH bring fuel field plastic jugs dont just throw jug away empty Take thing home put trash container will get burned spoonful two fuel left bottom jug Continued page 16 -I rATS JUST IN CA5 AW E2ROS OF JUXEAENT ARE /ERLooEP/ 14 Model Aviation c$ N -Ii~ fI3 0 Dr f1 m0 j0rj 0 00 T10 000 0 - 0 c0 0- ~~-0 HI ~0 N 0 0 0 pii 2 00 0 ~00 - s 0 C C OCNOCC Cr OoorOo nnoo 000000CC ~ CoCrCCOCCCCCC-CCCC0CrrW- ~- CCC NCCrrCCC NWC t00IbOCn0Cr -CCC -3 CC CCWOCC C flCCflWmCCrOCCC BCCa CCH NOCCCCC~,-n WWCNCCCCDCCIOLCCCCCOXCCCWCCC C0I.O Icc InCCCoCr0r C-COQCCCCC0 o0 6CC-CCCCOCCC0I-*CCCi CCflCWCCNNNOCflCCW CCCCC CCWCCCOOQ S 0000 CCNLCCNOO0WCCN0*OCCANWN0NN CCCC0NNNCrCOCC0 -fl CA fl CflC- CWW * .tfl*CCC -Cr- -n N zocCrNNNN4CUCCCCC 010CrNCCCCCCJN0 pC-CO0NCCNC-CCCCCCCNOCCNfl CC-CCOC-CCCCNNCCNONCCC - -C Cr C C Cr - n NLCCCCC-aCC NOWOO CCC OCC0CCO PNCCNCCCCCNOPC N j p-C Orzin CACCNN7C~CCPW CCA0PN OUCCCCC 0oCCC ----C-=--------CCC~OCC*00 NC-CCNNNNNCCC 0CCOZCCCCCCC jiNCCCC CCCCCCC -CC-0CCCCCCr OC S CCC~0UCNCCOCCCCCCIOCCCC 0 CCCCCCCCCC co.-rpCC F -C-CC COCr CC 3-CC_CCCCN 00CCNC3_CCCCCCCCCC C 0-3 4 C 0CC IoZZC000NCCCCNOOCCC-NCCNNCCCCCCCO -N - CCCCN P C -NC-rNCINCr3-C33-OCr NNC CCCCCN CCCCLCCCCOCCC I I I i -CI 0 jJ h 0-I 24 U U 0 __ o -0 m -I CJ C 3f n C Ca U 40 S p 0 0u -w 10 a CC no CC - Cd0CCC 30 CCNN 0 a0 0 0 0C0C 00 ft ft -s CCWNN~ SSO0CCNNNNN U NCCCC C~44NC CCCCCCN&C CONaN0 CCCCCCCCCCC4OCCCN0CC-COO SCCONCCCNOCC CCCCC=CCCCC~ ON0N0NCCSNCCNCC0N~ 0 4CCCCCC CCNNN400CCCCCN- OCNO0OCOS COCCC NCCCNNN- -g CrCO. C4NNCCN Sftft iIw CC--CCCC U 0NNNCC4CC N0 ~0O993-CCCr99 9S CCdCCCCCC -CCSSCC CCCJ 0CC N0N0C~CC5 0CC- - ON -- ONON ~ CCft CC iCC C CCC CCC 0 CCCC0CCCCCCCC4CCCCOCC 0 NNW 000 CC Nft CCCCCCCC CCCCC 0 CCONNNN ft SN~fA C ICC a ~CCCCCCCCCC C o lAW IA U C~ 0 CCC CC - C -NP v1 cc ft CCCCC& a en os-a 3- en NOCCZ b U & 000CC r C i 0 -- a. 0C1w I U II 0 PU I U II i L p i U I -a 00 0 0- 0 0 0 0 0 0 0 0 C C CCCN~ C CCNCCOCC U N- N -OCCN 0CrN0CCC CC Cr 00 W NCCCC NOONCC NCC NOCO 4NN N N NEW ELECTRIC Fly .. t stand-way-off scale fun ship designed forO5 electric power can perform take-offs touch goes aerobatics beauty yetenjoydocile slowflightforeasy landings Quickand easyto build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-Combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying V weight flat bottom airfoil rudder elevator motor add ailerons too IIAVEY SPECIAL COMBO PRICE $4795 YSTEMS 675 TO WER LANE BASIC KIT $244ORPORATION215~ IL@CTITL Tedqa1e LHC-04 SPRAY ADHESIVE New Spray Adhesive bonds wing skins foam cores laminates balsa sheets works anywhere else ordinary spray adhesives work big exception. works better ond aw guarantee youre completely satisfied LOCTITE5 Spray Adhesive simply return unused portion us along sales receipt well retund money Lightly spray foam 3 Allow core balsa sheet become touch dry .a ~ Lightly spray balsa orottrerwing coveringw / sLiP 5HEET su 4 Place wax paper slip sheet over core leaving /2 leading edge exposed 6 Rub sheeting covering down over until sticks tirmly loam core Place balsa sheet covering ot slip sheet slide balsa correct position Press leading edge down until sticks exposed strip itt covering ve slip sheet Available quality hobby shops everywher& Loctite registered trademark Loctite Corporation first time burned battery working computer backup power sup ply application utilized six-volt batter ies power toss backup wearing watch metal band band came contact battery wiring shorted out batter ies watchband became red hot instantly received third-degree burns ann thumb also got burned grabbed watch pull off second time burned shame watchband shorted out across ba nana plug receptacles power panel flight box also have watchband short across live wires occurred working car incident arc bright voluntarily jerked ann broke connec tion no damage other singed watchband now routinely remove watch performing automobile chores wear ring aware also could cause short across battery terminals Safety Soapbox take time write thank add footnote enjoy reading column However letter agrees what have say Such letter Bob Sexton gan May 1987 got sidetracked Bob recently doing some computer housekeeping discovered unfinished letter 6nally got mailed October 1988 letter took issue couple topics Ive covered previous columns follows First discussion chemicals eyes dangerously understated know Continued page 20 18 Model Aviation trying make point about MEKP cata lyst polyester resinJDP didnt con vey essential safety information first place dont know MEK methyl ethyl ketone solvent ABS plasticJDP harmless eyes dont think should suggest case default comparison MEKP unless have researched infor mation should come capable experienced industrial physician ophthalmologist some accepted reference second place get ANY dustrial household garden other chemical eyes MUST wash Out because odds thousand have no idea what chemicals effect eyes will Washing means 15repeat 15minutes wa ter flowing over eyeball exposed inner surfaces eyelids After during youve got help get medical assistance first thing get washing done promptly holding eyes open flow water using industrial eyewash-fountain assistance another person valuable maybe necessary Certainly home such aid absolutely neces sary because useful water sources probably shower garden hose luck water faucet victim can lie under Help needed because usually dont have enough hands hold eyelids open ma nlpulating water source dont forget might able see too well Lest think Im making federal case chat experienced industrial physi cian eye doctor about sad loss-ofvision cases have treated have countless eases severe damage partial complete blindness because victim Continued page 22 Span85in Length66 Wing area 1213 sq Weight 5 lbs Power035-040 G38-G62 FdWI $21500 plum shIpping *1100 Eveeything scratch kit ml preoje wood pats complete model z DILMXE Nit $28500 plus shipping $1100 Everything feE kit hut wing spars Iustalml wings stab turtle deck hatch S fin wsskteend 1116 helsa MAKES BINLOlIlO GUICKI AK wood foam construction 5eqt~ cowl & pants 2-plsce plug-in wings Foam corn airfoilad tail surfaces No tail brace wires reqaireti FOR MORE INFO OR TO PLACE ORDER CONTACT SPIRIT LAKE HOBBIES Ph 712 336-5S86 1621 Hill Ave Spirit Lake IA 51360 20 Model Aviation ~ TR260 FreucIi Amkivic Duip 1/4 Stand-off Scab Kit Sawtek Nit $10300 plus shipping $1100 CewI pants cane landing gear plans learn cuss tsr shig jg seilacat turtle deck S hatch Tidewater Hobby Enterprises 78S SEAL, SOSIEAFIELDFL ALASI 904 245-4653 AMERICAN QUALITY SUPERIOR PERFORMANCE PRODUCTS YOU CAN NE PRORO OP ILITY STANDARDS AT TIDEWATER ESSARELY RICA RECAUUE TEE * MARUPACTUREIS TSR F] IS TAKE ES TEE FIELD U COMPLETE LINE AVIALABLE AT QUALITY HORNY DROPS PLAYMATE 60 50 OW /695 * 64 URMEDYMETRICAL RIND WINS AREA 0 CHANNEL * 45 CYCLE 0 AR CECLE LITE RESUME 5LB * 0 COMPLETE EUT POLIUNES ALUM UNDIES SEAR MERE S TAIL REEEL HATES FUEL TANK 0 3 MAIN WHEELS ENJOY PERPORMENS LOOPS ROLLS D 0 FLAT SPEND SNAP ROLLS 0 STALL TURNS * EFFORTLESS TUACH ANDUOS AirTime Productions proudly presents THE88 Tn Now can see famous $118000 Tournament Champions RC aerobatic shoot-out own VCR Exdusive7 Coverage Theres nothing else like Twenty worlds top RC pilots flying awesome giantscale models high stakes contest based full-size aerobatic competition rules 1LRCXI Youll thrill flying II meet flyersPrettner Hyde IL~Ai Matt rest star studded field Youll see exciting demos Eagles Aerobatic Team Curtis Youngblood Kalt JR Radio helicopter teams plus Bob Violett jets L Whats youll see whole show fastpaced 45-minute broadcaststyle production thats smooth professional flying itself AirTimes 88 TOC tape youll treasure dont delayorder yours now FI-1 SEND ORDERS TOAVAILABLEONLY BY MAILSPECIFY QUANTITY & FORMAT W 4-6 WEEKS DELIVERY AirTIm Produstiotis 6311 N OConnor Rd LB 148TOC 88 .....LI VHS E BETA TAPES $1995 EA $ Irving TX 75039 IPLEASESENDTAPESTOSHIPPING WITHIN CONT US $250 EA __________I I______________I INAMESHIPPING OUTSIDE CONT US $600 IADDRESSTEXAS RES ADD $160 EA SALES TAX __________I ciDYRTATR&ZIPCHECK OR MO ONLYTOTAL $ L -I thought doesnt smart must OK second point John Im sure have gone long way toward bringing debates over size limits Quarter-Scale/Giant Scale face-toface reality publishing Bill Kincheloes Lethal Threshold discussion July 1987 Safety columnJDP hope reintroduce argument opportunity However close out less endorsing fic tional generality rge models tend fly slower small ones n true large model has very low wing loading pretty low powered also just dont tend fly slower may look slower because size mostly theyre Comparing case Pattern planes Py lon Racers weasel-wording argument least 90% RC planes sport jobs simple Scale models Whether looks 25engined J-3 Cub doesnt usually fly faster quarter-scale Cub Quadra OK perhaps did adequately stress need immediate washing happen suf fer misfortune getting something eye think Bobs letter has corrected miscon ception may have created previous col umn concerning risk injury presented chemicals eye Im going make further comments However subject models size ver sus its hazard think Safety column November 1988 magazine may have graphically illustrated dont have built Giantsized lead sled have potentially lethal wea pon column described incident oc curred 1987 UK threepound model making dead-stick approach landing struck modeler head caused fatal injuryContinued page 14S NIIELECTRICSEMISCALE Radio Control Sport/Trainer Wing Span H7 314 LeONIE 37 112 Weight lreadp tip SN oz WISH Area 530 sq 05 Motor Included DesigneR bp WoOdp Rlanchard Rae Local Dealer PAUL K GUILLOW INC WAKEFIELD MA 01080 22 Model Aviation 0 SCALE PROFILE 0 ESCELLENT TRAINER 0 PUS SPORT PLARE 0 o SR UPAS 0 522 RISC AREA 0 LUTE WEIGHT lQLR 03CRAS 0 o 15 ALL RALSA UREET COASTRUCTOOR 0 SLUR SEAR 0 o SLEC SE SAS RUILDS EAST 0 PULL UIZE ROLLED PLANS 0 0 ALL SURE 0 ULTRA LUTE RIND LOADING FLAT BOTTOM WINO 0 LOOKS LIKE CER FLYS LIKE CUR 0 THE SPOET CUE 0 w W W W Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145
Edition: Model Aviation - 1989/02
Page Numbers: 14, 16, 18, 20, 22, 145
John Preston Safety812 NFirst orehampton St NW Washingion DC ThIs column provided address Items concern regardIng safety aspects model aviation activides Content column however opinIon author does necessarily repmsent offidal position Academy Model Aeronautics Errors judgement Trash can fires Keep empty fuel containers out trash cans Safety Soapbox ERRORS judgement Henry Farrar editor LIDS flyer newsletter Long Island Drone Society recently sent copy page November 11 1931 issue British magazine Aeroplane page contained article titled Errors Judgement Since model airplane crashes result pilot er ror thought appropriate open months column some extracts article would give credit its original author ever no name given Accidents will happen best regulated families old proverb tells us top remember dictum Thomas Carlyle population Great Britain con sists did time thirty-five million people mostly fools wonder accidents far common Also remember dictum Mr Carlyle understand better according fig ures given Captain Lamplugh lecture week ago vast majority accidents ascribed errors judgement phrase error judgement useful covers everything genulne error calculation thoroughiy competent person way down act common tongue would described just plain damned foolishness analyze form accident care fully accident fact caused error judgement aeroplane breaks air has error judgement somewhere Either gentleman slide rule has made error judgement calculations has made something too weak somewhere workmm has erred judgement own work inspector has erred judgement good bad work pilot has committed error judgement diving machine too hard puiling out dive too roughly result has broken something quite strong enough ordinary service ground engineer has charge machine has coupled up something should have coupled has coupled some thing up too tight has broken owner himself has omitted have machine properly overhauled competent person conceiv ably owner may have done rough landing some other time through error judgement estimation speed distance height may have cracked something inside machine nobody could possibly have noticed or lots things might exceed margin error plus minus Thus see argue matter out logically can no such thing acci dent accident must due error somebodys judgement arrive very nice argument about far fool ought protected agasnat own folly far ought protected against errors judgement other people article went discuss just far government British Air Ministry should al lowed go protecting safety pilots correspondence receive both letters related column relate regular job involves product safety Government agency nothing has changed since 1931 Despite job Fed eral Government regulatory agency am strong advocate mandatory rules objec tive safety can achieved voluntarily feel same way about hobby police selves its unlikely Big Brother will step mandate must behave order protect ourselves others accidents Trash can fires last months column dis cussed first incident Im aware model caught fire air much likely event may potentially hazardous reported September 1988 issue Transmitter news letter Belleville Illinois R/C Fliers edi tor Darwin Evelsizer involved fire trash can club flying field Under heading Safety Notes following report News through grapevine tells inci dent clubs other side river modelers need take notice seems modeler put empty almost empty fuel container trash barrel someone decided burn trash wasnt burn ing fast enough strongly enough suit some dumped some fuel As can guess fresh fuel andlor vapors first container got hot enough explode guy stand ing close fire received second- thirddegree burns tried put out fire first guy burned hands rather badly THE MODEL FUEL THAT WE USE WONT VAPORIZE AND EXPLODE AS READILY AS GASOLINE BUT IT STILL WILL DO SO IF YOU PUSH IT HARD ENOUGH bring fuel field plastic jugs dont just throw jug away empty Take thing home put trash container will get burned spoonful two fuel left bottom jug Continued page 16 -I rATS JUST IN CA5 AW E2ROS OF JUXEAENT ARE /ERLooEP/ 14 Model Aviation c$ N -Ii~ fI3 0 Dr f1 m0 j0rj 0 00 T10 000 0 - 0 c0 0- ~~-0 HI ~0 N 0 0 0 pii 2 00 0 ~00 - s 0 C C OCNOCC Cr OoorOo nnoo 000000CC ~ CoCrCCOCCCCCC-CCCC0CrrW- ~- CCC NCCrrCCC NWC t00IbOCn0Cr -CCC -3 CC CCWOCC C flCCflWmCCrOCCC BCCa CCH NOCCCCC~,-n WWCNCCCCDCCIOLCCCCCOXCCCWCCC C0I.O Icc InCCCoCr0r C-COQCCCCC0 o0 6CC-CCCCOCCC0I-*CCCi CCflCWCCNNNOCflCCW CCCCC CCWCCCOOQ S 0000 CCNLCCNOO0WCCN0*OCCANWN0NN CCCC0NNNCrCOCC0 -fl CA fl CflC- CWW * .tfl*CCC -Cr- -n N zocCrNNNN4CUCCCCC 010CrNCCCCCCJN0 pC-CO0NCCNC-CCCCCCCNOCCNfl CC-CCOC-CCCCNNCCNONCCC - -C Cr C C Cr - n NLCCCCC-aCC NOWOO CCC OCC0CCO PNCCNCCCCCNOPC N j p-C Orzin CACCNN7C~CCPW CCA0PN OUCCCCC 0oCCC ----C-=--------CCC~OCC*00 NC-CCNNNNNCCC 0CCOZCCCCCCC jiNCCCC CCCCCCC -CC-0CCCCCCr OC S CCC~0UCNCCOCCCCCCIOCCCC 0 CCCCCCCCCC co.-rpCC F -C-CC COCr CC 3-CC_CCCCN 00CCNC3_CCCCCCCCCC C 0-3 4 C 0CC IoZZC000NCCCCNOOCCC-NCCNNCCCCCCCO -N - CCCCN P C -NC-rNCINCr3-C33-OCr NNC CCCCCN CCCCLCCCCOCCC I I I i -CI 0 jJ h 0-I 24 U U 0 __ o -0 m -I CJ C 3f n C Ca U 40 S p 0 0u -w 10 a CC no CC - Cd0CCC 30 CCNN 0 a0 0 0 0C0C 00 ft ft -s CCWNN~ SSO0CCNNNNN U NCCCC C~44NC CCCCCCN&C CONaN0 CCCCCCCCCCC4OCCCN0CC-COO SCCONCCCNOCC CCCCC=CCCCC~ ON0N0NCCSNCCNCC0N~ 0 4CCCCCC CCNNN400CCCCCN- OCNO0OCOS COCCC NCCCNNN- -g CrCO. C4NNCCN Sftft iIw CC--CCCC U 0NNNCC4CC N0 ~0O993-CCCr99 9S CCdCCCCCC -CCSSCC CCCJ 0CC N0N0C~CC5 0CC- - ON -- ONON ~ CCft CC iCC C CCC CCC 0 CCCC0CCCCCCCC4CCCCOCC 0 NNW 000 CC Nft CCCCCCCC CCCCC 0 CCONNNN ft SN~fA C ICC a ~CCCCCCCCCC C o lAW IA U C~ 0 CCC CC - C -NP v1 cc ft CCCCC& a en os-a 3- en NOCCZ b U & 000CC r C i 0 -- a. 0C1w I U II 0 PU I U II i L p i U I -a 00 0 0- 0 0 0 0 0 0 0 0 C C CCCN~ C CCNCCOCC U N- N -OCCN 0CrN0CCC CC Cr 00 W NCCCC NOONCC NCC NOCO 4NN N N NEW ELECTRIC Fly .. t stand-way-off scale fun ship designed forO5 electric power can perform take-offs touch goes aerobatics beauty yetenjoydocile slowflightforeasy landings Quickand easyto build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-Combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying V weight flat bottom airfoil rudder elevator motor add ailerons too IIAVEY SPECIAL COMBO PRICE $4795 YSTEMS 675 TO WER LANE BASIC KIT $244ORPORATION215~ IL@CTITL Tedqa1e LHC-04 SPRAY ADHESIVE New Spray Adhesive bonds wing skins foam cores laminates balsa sheets works anywhere else ordinary spray adhesives work big exception. works better ond aw guarantee youre completely satisfied LOCTITE5 Spray Adhesive simply return unused portion us along sales receipt well retund money Lightly spray foam 3 Allow core balsa sheet become touch dry .a ~ Lightly spray balsa orottrerwing coveringw / sLiP 5HEET su 4 Place wax paper slip sheet over core leaving /2 leading edge exposed 6 Rub sheeting covering down over until sticks tirmly loam core Place balsa sheet covering ot slip sheet slide balsa correct position Press leading edge down until sticks exposed strip itt covering ve slip sheet Available quality hobby shops everywher& Loctite registered trademark Loctite Corporation first time burned battery working computer backup power sup ply application utilized six-volt batter ies power toss backup wearing watch metal band band came contact battery wiring shorted out batter ies watchband became red hot instantly received third-degree burns ann thumb also got burned grabbed watch pull off second time burned shame watchband shorted out across ba nana plug receptacles power panel flight box also have watchband short across live wires occurred working car incident arc bright voluntarily jerked ann broke connec tion no damage other singed watchband now routinely remove watch performing automobile chores wear ring aware also could cause short across battery terminals Safety Soapbox take time write thank add footnote enjoy reading column However letter agrees what have say Such letter Bob Sexton gan May 1987 got sidetracked Bob recently doing some computer housekeeping discovered unfinished letter 6nally got mailed October 1988 letter took issue couple topics Ive covered previous columns follows First discussion chemicals eyes dangerously understated know Continued page 20 18 Model Aviation trying make point about MEKP cata lyst polyester resinJDP didnt con vey essential safety information first place dont know MEK methyl ethyl ketone solvent ABS plasticJDP harmless eyes dont think should suggest case default comparison MEKP unless have researched infor mation should come capable experienced industrial physician ophthalmologist some accepted reference second place get ANY dustrial household garden other chemical eyes MUST wash Out because odds thousand have no idea what chemicals effect eyes will Washing means 15repeat 15minutes wa ter flowing over eyeball exposed inner surfaces eyelids After during youve got help get medical assistance first thing get washing done promptly holding eyes open flow water using industrial eyewash-fountain assistance another person valuable maybe necessary Certainly home such aid absolutely neces sary because useful water sources probably shower garden hose luck water faucet victim can lie under Help needed because usually dont have enough hands hold eyelids open ma nlpulating water source dont forget might able see too well Lest think Im making federal case chat experienced industrial physi cian eye doctor about sad loss-ofvision cases have treated have countless eases severe damage partial complete blindness because victim Continued page 22 Span85in Length66 Wing area 1213 sq Weight 5 lbs Power035-040 G38-G62 FdWI $21500 plum shIpping *1100 Eveeything scratch kit ml preoje wood pats complete model z DILMXE Nit $28500 plus shipping $1100 Everything feE kit hut wing spars Iustalml wings stab turtle deck hatch S fin wsskteend 1116 helsa MAKES BINLOlIlO GUICKI AK wood foam construction 5eqt~ cowl & pants 2-plsce plug-in wings Foam corn airfoilad tail surfaces No tail brace wires reqaireti FOR MORE INFO OR TO PLACE ORDER CONTACT SPIRIT LAKE HOBBIES Ph 712 336-5S86 1621 Hill Ave Spirit Lake IA 51360 20 Model Aviation ~ TR260 FreucIi Amkivic Duip 1/4 Stand-off Scab Kit Sawtek Nit $10300 plus shipping $1100 CewI pants cane landing gear plans learn cuss tsr shig jg seilacat turtle deck S hatch Tidewater Hobby Enterprises 78S SEAL, SOSIEAFIELDFL ALASI 904 245-4653 AMERICAN QUALITY SUPERIOR PERFORMANCE PRODUCTS YOU CAN NE PRORO OP ILITY STANDARDS AT TIDEWATER ESSARELY RICA RECAUUE TEE * MARUPACTUREIS TSR F] IS TAKE ES TEE FIELD U COMPLETE LINE AVIALABLE AT QUALITY HORNY DROPS PLAYMATE 60 50 OW /695 * 64 URMEDYMETRICAL RIND WINS AREA 0 CHANNEL * 45 CYCLE 0 AR CECLE LITE RESUME 5LB * 0 COMPLETE EUT POLIUNES ALUM UNDIES SEAR MERE S TAIL REEEL HATES FUEL TANK 0 3 MAIN WHEELS ENJOY PERPORMENS LOOPS ROLLS D 0 FLAT SPEND SNAP ROLLS 0 STALL TURNS * EFFORTLESS TUACH ANDUOS AirTime Productions proudly presents THE88 Tn Now can see famous $118000 Tournament Champions RC aerobatic shoot-out own VCR Exdusive7 Coverage Theres nothing else like Twenty worlds top RC pilots flying awesome giantscale models high stakes contest based full-size aerobatic competition rules 1LRCXI Youll thrill flying II meet flyersPrettner Hyde IL~Ai Matt rest star studded field Youll see exciting demos Eagles Aerobatic Team Curtis Youngblood Kalt JR Radio helicopter teams plus Bob Violett jets L Whats youll see whole show fastpaced 45-minute broadcaststyle production thats smooth professional flying itself AirTimes 88 TOC tape youll treasure dont delayorder yours now FI-1 SEND ORDERS TOAVAILABLEONLY BY MAILSPECIFY QUANTITY & FORMAT W 4-6 WEEKS DELIVERY AirTIm Produstiotis 6311 N OConnor Rd LB 148TOC 88 .....LI VHS E BETA TAPES $1995 EA $ Irving TX 75039 IPLEASESENDTAPESTOSHIPPING WITHIN CONT US $250 EA __________I I______________I INAMESHIPPING OUTSIDE CONT US $600 IADDRESSTEXAS RES ADD $160 EA SALES TAX __________I ciDYRTATR&ZIPCHECK OR MO ONLYTOTAL $ L -I thought doesnt smart must OK second point John Im sure have gone long way toward bringing debates over size limits Quarter-Scale/Giant Scale face-toface reality publishing Bill Kincheloes Lethal Threshold discussion July 1987 Safety columnJDP hope reintroduce argument opportunity However close out less endorsing fic tional generality rge models tend fly slower small ones n true large model has very low wing loading pretty low powered also just dont tend fly slower may look slower because size mostly theyre Comparing case Pattern planes Py lon Racers weasel-wording argument least 90% RC planes sport jobs simple Scale models Whether looks 25engined J-3 Cub doesnt usually fly faster quarter-scale Cub Quadra OK perhaps did adequately stress need immediate washing happen suf fer misfortune getting something eye think Bobs letter has corrected miscon ception may have created previous col umn concerning risk injury presented chemicals eye Im going make further comments However subject models size ver sus its hazard think Safety column November 1988 magazine may have graphically illustrated dont have built Giantsized lead sled have potentially lethal wea pon column described incident oc curred 1987 UK threepound model making dead-stick approach landing struck modeler head caused fatal injuryContinued page 14S NIIELECTRICSEMISCALE Radio Control Sport/Trainer Wing Span H7 314 LeONIE 37 112 Weight lreadp tip SN oz WISH Area 530 sq 05 Motor Included DesigneR bp WoOdp Rlanchard Rae Local Dealer PAUL K GUILLOW INC WAKEFIELD MA 01080 22 Model Aviation 0 SCALE PROFILE 0 ESCELLENT TRAINER 0 PUS SPORT PLARE 0 o SR UPAS 0 522 RISC AREA 0 LUTE WEIGHT lQLR 03CRAS 0 o 15 ALL RALSA UREET COASTRUCTOOR 0 SLUR SEAR 0 o SLEC SE SAS RUILDS EAST 0 PULL UIZE ROLLED PLANS 0 0 ALL SURE 0 ULTRA LUTE RIND LOADING FLAT BOTTOM WINO 0 LOOKS LIKE CER FLYS LIKE CUR 0 THE SPOET CUE 0 w W W W Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145
Edition: Model Aviation - 1989/02
Page Numbers: 14, 16, 18, 20, 22, 145
John Preston Safety812 NFirst orehampton St NW Washingion DC ThIs column provided address Items concern regardIng safety aspects model aviation activides Content column however opinIon author does necessarily repmsent offidal position Academy Model Aeronautics Errors judgement Trash can fires Keep empty fuel containers out trash cans Safety Soapbox ERRORS judgement Henry Farrar editor LIDS flyer newsletter Long Island Drone Society recently sent copy page November 11 1931 issue British magazine Aeroplane page contained article titled Errors Judgement Since model airplane crashes result pilot er ror thought appropriate open months column some extracts article would give credit its original author ever no name given Accidents will happen best regulated families old proverb tells us top remember dictum Thomas Carlyle population Great Britain con sists did time thirty-five million people mostly fools wonder accidents far common Also remember dictum Mr Carlyle understand better according fig ures given Captain Lamplugh lecture week ago vast majority accidents ascribed errors judgement phrase error judgement useful covers everything genulne error calculation thoroughiy competent person way down act common tongue would described just plain damned foolishness analyze form accident care fully accident fact caused error judgement aeroplane breaks air has error judgement somewhere Either gentleman slide rule has made error judgement calculations has made something too weak somewhere workmm has erred judgement own work inspector has erred judgement good bad work pilot has committed error judgement diving machine too hard puiling out dive too roughly result has broken something quite strong enough ordinary service ground engineer has charge machine has coupled up something should have coupled has coupled some thing up too tight has broken owner himself has omitted have machine properly overhauled competent person conceiv ably owner may have done rough landing some other time through error judgement estimation speed distance height may have cracked something inside machine nobody could possibly have noticed or lots things might exceed margin error plus minus Thus see argue matter out logically can no such thing acci dent accident must due error somebodys judgement arrive very nice argument about far fool ought protected agasnat own folly far ought protected against errors judgement other people article went discuss just far government British Air Ministry should al lowed go protecting safety pilots correspondence receive both letters related column relate regular job involves product safety Government agency nothing has changed since 1931 Despite job Fed eral Government regulatory agency am strong advocate mandatory rules objec tive safety can achieved voluntarily feel same way about hobby police selves its unlikely Big Brother will step mandate must behave order protect ourselves others accidents Trash can fires last months column dis cussed first incident Im aware model caught fire air much likely event may potentially hazardous reported September 1988 issue Transmitter news letter Belleville Illinois R/C Fliers edi tor Darwin Evelsizer involved fire trash can club flying field Under heading Safety Notes following report News through grapevine tells inci dent clubs other side river modelers need take notice seems modeler put empty almost empty fuel container trash barrel someone decided burn trash wasnt burn ing fast enough strongly enough suit some dumped some fuel As can guess fresh fuel andlor vapors first container got hot enough explode guy stand ing close fire received second- thirddegree burns tried put out fire first guy burned hands rather badly THE MODEL FUEL THAT WE USE WONT VAPORIZE AND EXPLODE AS READILY AS GASOLINE BUT IT STILL WILL DO SO IF YOU PUSH IT HARD ENOUGH bring fuel field plastic jugs dont just throw jug away empty Take thing home put trash container will get burned spoonful two fuel left bottom jug Continued page 16 -I rATS JUST IN CA5 AW E2ROS OF JUXEAENT ARE /ERLooEP/ 14 Model Aviation c$ N -Ii~ fI3 0 Dr f1 m0 j0rj 0 00 T10 000 0 - 0 c0 0- ~~-0 HI ~0 N 0 0 0 pii 2 00 0 ~00 - s 0 C C OCNOCC Cr OoorOo nnoo 000000CC ~ CoCrCCOCCCCCC-CCCC0CrrW- ~- CCC NCCrrCCC NWC t00IbOCn0Cr -CCC -3 CC CCWOCC C flCCflWmCCrOCCC BCCa CCH NOCCCCC~,-n WWCNCCCCDCCIOLCCCCCOXCCCWCCC C0I.O Icc InCCCoCr0r C-COQCCCCC0 o0 6CC-CCCCOCCC0I-*CCCi CCflCWCCNNNOCflCCW CCCCC CCWCCCOOQ S 0000 CCNLCCNOO0WCCN0*OCCANWN0NN CCCC0NNNCrCOCC0 -fl CA fl CflC- CWW * .tfl*CCC -Cr- -n N zocCrNNNN4CUCCCCC 010CrNCCCCCCJN0 pC-CO0NCCNC-CCCCCCCNOCCNfl CC-CCOC-CCCCNNCCNONCCC - -C Cr C C Cr - n NLCCCCC-aCC NOWOO CCC OCC0CCO PNCCNCCCCCNOPC N j p-C Orzin CACCNN7C~CCPW CCA0PN OUCCCCC 0oCCC ----C-=--------CCC~OCC*00 NC-CCNNNNNCCC 0CCOZCCCCCCC jiNCCCC CCCCCCC -CC-0CCCCCCr OC S CCC~0UCNCCOCCCCCCIOCCCC 0 CCCCCCCCCC co.-rpCC F -C-CC COCr CC 3-CC_CCCCN 00CCNC3_CCCCCCCCCC C 0-3 4 C 0CC IoZZC000NCCCCNOOCCC-NCCNNCCCCCCCO -N - CCCCN P C -NC-rNCINCr3-C33-OCr NNC CCCCCN CCCCLCCCCOCCC I I I i -CI 0 jJ h 0-I 24 U U 0 __ o -0 m -I CJ C 3f n C Ca U 40 S p 0 0u -w 10 a CC no CC - Cd0CCC 30 CCNN 0 a0 0 0 0C0C 00 ft ft -s CCWNN~ SSO0CCNNNNN U NCCCC C~44NC CCCCCCN&C CONaN0 CCCCCCCCCCC4OCCCN0CC-COO SCCONCCCNOCC CCCCC=CCCCC~ ON0N0NCCSNCCNCC0N~ 0 4CCCCCC CCNNN400CCCCCN- OCNO0OCOS COCCC NCCCNNN- -g CrCO. C4NNCCN Sftft iIw CC--CCCC U 0NNNCC4CC N0 ~0O993-CCCr99 9S CCdCCCCCC -CCSSCC CCCJ 0CC N0N0C~CC5 0CC- - ON -- ONON ~ CCft CC iCC C CCC CCC 0 CCCC0CCCCCCCC4CCCCOCC 0 NNW 000 CC Nft CCCCCCCC CCCCC 0 CCONNNN ft SN~fA C ICC a ~CCCCCCCCCC C o lAW IA U C~ 0 CCC CC - C -NP v1 cc ft CCCCC& a en os-a 3- en NOCCZ b U & 000CC r C i 0 -- a. 0C1w I U II 0 PU I U II i L p i U I -a 00 0 0- 0 0 0 0 0 0 0 0 C C CCCN~ C CCNCCOCC U N- N -OCCN 0CrN0CCC CC Cr 00 W NCCCC NOONCC NCC NOCO 4NN N N NEW ELECTRIC Fly .. t stand-way-off scale fun ship designed forO5 electric power can perform take-offs touch goes aerobatics beauty yetenjoydocile slowflightforeasy landings Quickand easyto build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-Combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying V weight flat bottom airfoil rudder elevator motor add ailerons too IIAVEY SPECIAL COMBO PRICE $4795 YSTEMS 675 TO WER LANE BASIC KIT $244ORPORATION215~ IL@CTITL Tedqa1e LHC-04 SPRAY ADHESIVE New Spray Adhesive bonds wing skins foam cores laminates balsa sheets works anywhere else ordinary spray adhesives work big exception. works better ond aw guarantee youre completely satisfied LOCTITE5 Spray Adhesive simply return unused portion us along sales receipt well retund money Lightly spray foam 3 Allow core balsa sheet become touch dry .a ~ Lightly spray balsa orottrerwing coveringw / sLiP 5HEET su 4 Place wax paper slip sheet over core leaving /2 leading edge exposed 6 Rub sheeting covering down over until sticks tirmly loam core Place balsa sheet covering ot slip sheet slide balsa correct position Press leading edge down until sticks exposed strip itt covering ve slip sheet Available quality hobby shops everywher& Loctite registered trademark Loctite Corporation first time burned battery working computer backup power sup ply application utilized six-volt batter ies power toss backup wearing watch metal band band came contact battery wiring shorted out batter ies watchband became red hot instantly received third-degree burns ann thumb also got burned grabbed watch pull off second time burned shame watchband shorted out across ba nana plug receptacles power panel flight box also have watchband short across live wires occurred working car incident arc bright voluntarily jerked ann broke connec tion no damage other singed watchband now routinely remove watch performing automobile chores wear ring aware also could cause short across battery terminals Safety Soapbox take time write thank add footnote enjoy reading column However letter agrees what have say Such letter Bob Sexton gan May 1987 got sidetracked Bob recently doing some computer housekeeping discovered unfinished letter 6nally got mailed October 1988 letter took issue couple topics Ive covered previous columns follows First discussion chemicals eyes dangerously understated know Continued page 20 18 Model Aviation trying make point about MEKP cata lyst polyester resinJDP didnt con vey essential safety information first place dont know MEK methyl ethyl ketone solvent ABS plasticJDP harmless eyes dont think should suggest case default comparison MEKP unless have researched infor mation should come capable experienced industrial physician ophthalmologist some accepted reference second place get ANY dustrial household garden other chemical eyes MUST wash Out because odds thousand have no idea what chemicals effect eyes will Washing means 15repeat 15minutes wa ter flowing over eyeball exposed inner surfaces eyelids After during youve got help get medical assistance first thing get washing done promptly holding eyes open flow water using industrial eyewash-fountain assistance another person valuable maybe necessary Certainly home such aid absolutely neces sary because useful water sources probably shower garden hose luck water faucet victim can lie under Help needed because usually dont have enough hands hold eyelids open ma nlpulating water source dont forget might able see too well Lest think Im making federal case chat experienced industrial physi cian eye doctor about sad loss-ofvision cases have treated have countless eases severe damage partial complete blindness because victim Continued page 22 Span85in Length66 Wing area 1213 sq Weight 5 lbs Power035-040 G38-G62 FdWI $21500 plum shIpping *1100 Eveeything scratch kit ml preoje wood pats complete model z DILMXE Nit $28500 plus shipping $1100 Everything feE kit hut wing spars Iustalml wings stab turtle deck hatch S fin wsskteend 1116 helsa MAKES BINLOlIlO GUICKI AK wood foam construction 5eqt~ cowl & pants 2-plsce plug-in wings Foam corn airfoilad tail surfaces No tail brace wires reqaireti FOR MORE INFO OR TO PLACE ORDER CONTACT SPIRIT LAKE HOBBIES Ph 712 336-5S86 1621 Hill Ave Spirit Lake IA 51360 20 Model Aviation ~ TR260 FreucIi Amkivic Duip 1/4 Stand-off Scab Kit Sawtek Nit $10300 plus shipping $1100 CewI pants cane landing gear plans learn cuss tsr shig jg seilacat turtle deck S hatch Tidewater Hobby Enterprises 78S SEAL, SOSIEAFIELDFL ALASI 904 245-4653 AMERICAN QUALITY SUPERIOR PERFORMANCE PRODUCTS YOU CAN NE PRORO OP ILITY STANDARDS AT TIDEWATER ESSARELY RICA RECAUUE TEE * MARUPACTUREIS TSR F] IS TAKE ES TEE FIELD U COMPLETE LINE AVIALABLE AT QUALITY HORNY DROPS PLAYMATE 60 50 OW /695 * 64 URMEDYMETRICAL RIND WINS AREA 0 CHANNEL * 45 CYCLE 0 AR CECLE LITE RESUME 5LB * 0 COMPLETE EUT POLIUNES ALUM UNDIES SEAR MERE S TAIL REEEL HATES FUEL TANK 0 3 MAIN WHEELS ENJOY PERPORMENS LOOPS ROLLS D 0 FLAT SPEND SNAP ROLLS 0 STALL TURNS * EFFORTLESS TUACH ANDUOS AirTime Productions proudly presents THE88 Tn Now can see famous $118000 Tournament Champions RC aerobatic shoot-out own VCR Exdusive7 Coverage Theres nothing else like Twenty worlds top RC pilots flying awesome giantscale models high stakes contest based full-size aerobatic competition rules 1LRCXI Youll thrill flying II meet flyersPrettner Hyde IL~Ai Matt rest star studded field Youll see exciting demos Eagles Aerobatic Team Curtis Youngblood Kalt JR Radio helicopter teams plus Bob Violett jets L Whats youll see whole show fastpaced 45-minute broadcaststyle production thats smooth professional flying itself AirTimes 88 TOC tape youll treasure dont delayorder yours now FI-1 SEND ORDERS TOAVAILABLEONLY BY MAILSPECIFY QUANTITY & FORMAT W 4-6 WEEKS DELIVERY AirTIm Produstiotis 6311 N OConnor Rd LB 148TOC 88 .....LI VHS E BETA TAPES $1995 EA $ Irving TX 75039 IPLEASESENDTAPESTOSHIPPING WITHIN CONT US $250 EA __________I I______________I INAMESHIPPING OUTSIDE CONT US $600 IADDRESSTEXAS RES ADD $160 EA SALES TAX __________I ciDYRTATR&ZIPCHECK OR MO ONLYTOTAL $ L -I thought doesnt smart must OK second point John Im sure have gone long way toward bringing debates over size limits Quarter-Scale/Giant Scale face-toface reality publishing Bill Kincheloes Lethal Threshold discussion July 1987 Safety columnJDP hope reintroduce argument opportunity However close out less endorsing fic tional generality rge models tend fly slower small ones n true large model has very low wing loading pretty low powered also just dont tend fly slower may look slower because size mostly theyre Comparing case Pattern planes Py lon Racers weasel-wording argument least 90% RC planes sport jobs simple Scale models Whether looks 25engined J-3 Cub doesnt usually fly faster quarter-scale Cub Quadra OK perhaps did adequately stress need immediate washing happen suf fer misfortune getting something eye think Bobs letter has corrected miscon ception may have created previous col umn concerning risk injury presented chemicals eye Im going make further comments However subject models size ver sus its hazard think Safety column November 1988 magazine may have graphically illustrated dont have built Giantsized lead sled have potentially lethal wea pon column described incident oc curred 1987 UK threepound model making dead-stick approach landing struck modeler head caused fatal injuryContinued page 14S NIIELECTRICSEMISCALE Radio Control Sport/Trainer Wing Span H7 314 LeONIE 37 112 Weight lreadp tip SN oz WISH Area 530 sq 05 Motor Included DesigneR bp WoOdp Rlanchard Rae Local Dealer PAUL K GUILLOW INC WAKEFIELD MA 01080 22 Model Aviation 0 SCALE PROFILE 0 ESCELLENT TRAINER 0 PUS SPORT PLARE 0 o SR UPAS 0 522 RISC AREA 0 LUTE WEIGHT lQLR 03CRAS 0 o 15 ALL RALSA UREET COASTRUCTOOR 0 SLUR SEAR 0 o SLEC SE SAS RUILDS EAST 0 PULL UIZE ROLLED PLANS 0 0 ALL SURE 0 ULTRA LUTE RIND LOADING FLAT BOTTOM WINO 0 LOOKS LIKE CER FLYS LIKE CUR 0 THE SPOET CUE 0 w W W W Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145
Edition: Model Aviation - 1989/02
Page Numbers: 14, 16, 18, 20, 22, 145
John Preston Safety812 NFirst orehampton St NW Washingion DC ThIs column provided address Items concern regardIng safety aspects model aviation activides Content column however opinIon author does necessarily repmsent offidal position Academy Model Aeronautics Errors judgement Trash can fires Keep empty fuel containers out trash cans Safety Soapbox ERRORS judgement Henry Farrar editor LIDS flyer newsletter Long Island Drone Society recently sent copy page November 11 1931 issue British magazine Aeroplane page contained article titled Errors Judgement Since model airplane crashes result pilot er ror thought appropriate open months column some extracts article would give credit its original author ever no name given Accidents will happen best regulated families old proverb tells us top remember dictum Thomas Carlyle population Great Britain con sists did time thirty-five million people mostly fools wonder accidents far common Also remember dictum Mr Carlyle understand better according fig ures given Captain Lamplugh lecture week ago vast majority accidents ascribed errors judgement phrase error judgement useful covers everything genulne error calculation thoroughiy competent person way down act common tongue would described just plain damned foolishness analyze form accident care fully accident fact caused error judgement aeroplane breaks air has error judgement somewhere Either gentleman slide rule has made error judgement calculations has made something too weak somewhere workmm has erred judgement own work inspector has erred judgement good bad work pilot has committed error judgement diving machine too hard puiling out dive too roughly result has broken something quite strong enough ordinary service ground engineer has charge machine has coupled up something should have coupled has coupled some thing up too tight has broken owner himself has omitted have machine properly overhauled competent person conceiv ably owner may have done rough landing some other time through error judgement estimation speed distance height may have cracked something inside machine nobody could possibly have noticed or lots things might exceed margin error plus minus Thus see argue matter out logically can no such thing acci dent accident must due error somebodys judgement arrive very nice argument about far fool ought protected agasnat own folly far ought protected against errors judgement other people article went discuss just far government British Air Ministry should al lowed go protecting safety pilots correspondence receive both letters related column relate regular job involves product safety Government agency nothing has changed since 1931 Despite job Fed eral Government regulatory agency am strong advocate mandatory rules objec tive safety can achieved voluntarily feel same way about hobby police selves its unlikely Big Brother will step mandate must behave order protect ourselves others accidents Trash can fires last months column dis cussed first incident Im aware model caught fire air much likely event may potentially hazardous reported September 1988 issue Transmitter news letter Belleville Illinois R/C Fliers edi tor Darwin Evelsizer involved fire trash can club flying field Under heading Safety Notes following report News through grapevine tells inci dent clubs other side river modelers need take notice seems modeler put empty almost empty fuel container trash barrel someone decided burn trash wasnt burn ing fast enough strongly enough suit some dumped some fuel As can guess fresh fuel andlor vapors first container got hot enough explode guy stand ing close fire received second- thirddegree burns tried put out fire first guy burned hands rather badly THE MODEL FUEL THAT WE USE WONT VAPORIZE AND EXPLODE AS READILY AS GASOLINE BUT IT STILL WILL DO SO IF YOU PUSH IT HARD ENOUGH bring fuel field plastic jugs dont just throw jug away empty Take thing home put trash container will get burned spoonful two fuel left bottom jug Continued page 16 -I rATS JUST IN CA5 AW E2ROS OF JUXEAENT ARE /ERLooEP/ 14 Model Aviation c$ N -Ii~ fI3 0 Dr f1 m0 j0rj 0 00 T10 000 0 - 0 c0 0- ~~-0 HI ~0 N 0 0 0 pii 2 00 0 ~00 - s 0 C C OCNOCC Cr OoorOo nnoo 000000CC ~ CoCrCCOCCCCCC-CCCC0CrrW- ~- CCC NCCrrCCC NWC t00IbOCn0Cr -CCC -3 CC CCWOCC C flCCflWmCCrOCCC BCCa CCH NOCCCCC~,-n WWCNCCCCDCCIOLCCCCCOXCCCWCCC C0I.O Icc InCCCoCr0r C-COQCCCCC0 o0 6CC-CCCCOCCC0I-*CCCi CCflCWCCNNNOCflCCW CCCCC CCWCCCOOQ S 0000 CCNLCCNOO0WCCN0*OCCANWN0NN CCCC0NNNCrCOCC0 -fl CA fl CflC- CWW * .tfl*CCC -Cr- -n N zocCrNNNN4CUCCCCC 010CrNCCCCCCJN0 pC-CO0NCCNC-CCCCCCCNOCCNfl CC-CCOC-CCCCNNCCNONCCC - -C Cr C C Cr - n NLCCCCC-aCC NOWOO CCC OCC0CCO PNCCNCCCCCNOPC N j p-C Orzin CACCNN7C~CCPW CCA0PN OUCCCCC 0oCCC ----C-=--------CCC~OCC*00 NC-CCNNNNNCCC 0CCOZCCCCCCC jiNCCCC CCCCCCC -CC-0CCCCCCr OC S CCC~0UCNCCOCCCCCCIOCCCC 0 CCCCCCCCCC co.-rpCC F -C-CC COCr CC 3-CC_CCCCN 00CCNC3_CCCCCCCCCC C 0-3 4 C 0CC IoZZC000NCCCCNOOCCC-NCCNNCCCCCCCO -N - CCCCN P C -NC-rNCINCr3-C33-OCr NNC CCCCCN CCCCLCCCCOCCC I I I i -CI 0 jJ h 0-I 24 U U 0 __ o -0 m -I CJ C 3f n C Ca U 40 S p 0 0u -w 10 a CC no CC - Cd0CCC 30 CCNN 0 a0 0 0 0C0C 00 ft ft -s CCWNN~ SSO0CCNNNNN U NCCCC C~44NC CCCCCCN&C CONaN0 CCCCCCCCCCC4OCCCN0CC-COO SCCONCCCNOCC CCCCC=CCCCC~ ON0N0NCCSNCCNCC0N~ 0 4CCCCCC CCNNN400CCCCCN- OCNO0OCOS COCCC NCCCNNN- -g CrCO. C4NNCCN Sftft iIw CC--CCCC U 0NNNCC4CC N0 ~0O993-CCCr99 9S CCdCCCCCC -CCSSCC CCCJ 0CC N0N0C~CC5 0CC- - ON -- ONON ~ CCft CC iCC C CCC CCC 0 CCCC0CCCCCCCC4CCCCOCC 0 NNW 000 CC Nft CCCCCCCC CCCCC 0 CCONNNN ft SN~fA C ICC a ~CCCCCCCCCC C o lAW IA U C~ 0 CCC CC - C -NP v1 cc ft CCCCC& a en os-a 3- en NOCCZ b U & 000CC r C i 0 -- a. 0C1w I U II 0 PU I U II i L p i U I -a 00 0 0- 0 0 0 0 0 0 0 0 C C CCCN~ C CCNCCOCC U N- N -OCCN 0CrN0CCC CC Cr 00 W NCCCC NOONCC NCC NOCO 4NN N N NEW ELECTRIC Fly .. t stand-way-off scale fun ship designed forO5 electric power can perform take-offs touch goes aerobatics beauty yetenjoydocile slowflightforeasy landings Quickand easyto build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-Combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying V weight flat bottom airfoil rudder elevator motor add ailerons too IIAVEY SPECIAL COMBO PRICE $4795 YSTEMS 675 TO WER LANE BASIC KIT $244ORPORATION215~ IL@CTITL Tedqa1e LHC-04 SPRAY ADHESIVE New Spray Adhesive bonds wing skins foam cores laminates balsa sheets works anywhere else ordinary spray adhesives work big exception. works better ond aw guarantee youre completely satisfied LOCTITE5 Spray Adhesive simply return unused portion us along sales receipt well retund money Lightly spray foam 3 Allow core balsa sheet become touch dry .a ~ Lightly spray balsa orottrerwing coveringw / sLiP 5HEET su 4 Place wax paper slip sheet over core leaving /2 leading edge exposed 6 Rub sheeting covering down over until sticks tirmly loam core Place balsa sheet covering ot slip sheet slide balsa correct position Press leading edge down until sticks exposed strip itt covering ve slip sheet Available quality hobby shops everywher& Loctite registered trademark Loctite Corporation first time burned battery working computer backup power sup ply application utilized six-volt batter ies power toss backup wearing watch metal band band came contact battery wiring shorted out batter ies watchband became red hot instantly received third-degree burns ann thumb also got burned grabbed watch pull off second time burned shame watchband shorted out across ba nana plug receptacles power panel flight box also have watchband short across live wires occurred working car incident arc bright voluntarily jerked ann broke connec tion no damage other singed watchband now routinely remove watch performing automobile chores wear ring aware also could cause short across battery terminals Safety Soapbox take time write thank add footnote enjoy reading column However letter agrees what have say Such letter Bob Sexton gan May 1987 got sidetracked Bob recently doing some computer housekeeping discovered unfinished letter 6nally got mailed October 1988 letter took issue couple topics Ive covered previous columns follows First discussion chemicals eyes dangerously understated know Continued page 20 18 Model Aviation trying make point about MEKP cata lyst polyester resinJDP didnt con vey essential safety information first place dont know MEK methyl ethyl ketone solvent ABS plasticJDP harmless eyes dont think should suggest case default comparison MEKP unless have researched infor mation should come capable experienced industrial physician ophthalmologist some accepted reference second place get ANY dustrial household garden other chemical eyes MUST wash Out because odds thousand have no idea what chemicals effect eyes will Washing means 15repeat 15minutes wa ter flowing over eyeball exposed inner surfaces eyelids After during youve got help get medical assistance first thing get washing done promptly holding eyes open flow water using industrial eyewash-fountain assistance another person valuable maybe necessary Certainly home such aid absolutely neces sary because useful water sources probably shower garden hose luck water faucet victim can lie under Help needed because usually dont have enough hands hold eyelids open ma nlpulating water source dont forget might able see too well Lest think Im making federal case chat experienced industrial physi cian eye doctor about sad loss-ofvision cases have treated have countless eases severe damage partial complete blindness because victim Continued page 22 Span85in Length66 Wing area 1213 sq Weight 5 lbs Power035-040 G38-G62 FdWI $21500 plum shIpping *1100 Eveeything scratch kit ml preoje wood pats complete model z DILMXE Nit $28500 plus shipping $1100 Everything feE kit hut wing spars Iustalml wings stab turtle deck hatch S fin wsskteend 1116 helsa MAKES BINLOlIlO GUICKI AK wood foam construction 5eqt~ cowl & pants 2-plsce plug-in wings Foam corn airfoilad tail surfaces No tail brace wires reqaireti FOR MORE INFO OR TO PLACE ORDER CONTACT SPIRIT LAKE HOBBIES Ph 712 336-5S86 1621 Hill Ave Spirit Lake IA 51360 20 Model Aviation ~ TR260 FreucIi Amkivic Duip 1/4 Stand-off Scab Kit Sawtek Nit $10300 plus shipping $1100 CewI pants cane landing gear plans learn cuss tsr shig jg seilacat turtle deck S hatch Tidewater Hobby Enterprises 78S SEAL, SOSIEAFIELDFL ALASI 904 245-4653 AMERICAN QUALITY SUPERIOR PERFORMANCE PRODUCTS YOU CAN NE PRORO OP ILITY STANDARDS AT TIDEWATER ESSARELY RICA RECAUUE TEE * MARUPACTUREIS TSR F] IS TAKE ES TEE FIELD U COMPLETE LINE AVIALABLE AT QUALITY HORNY DROPS PLAYMATE 60 50 OW /695 * 64 URMEDYMETRICAL RIND WINS AREA 0 CHANNEL * 45 CYCLE 0 AR CECLE LITE RESUME 5LB * 0 COMPLETE EUT POLIUNES ALUM UNDIES SEAR MERE S TAIL REEEL HATES FUEL TANK 0 3 MAIN WHEELS ENJOY PERPORMENS LOOPS ROLLS D 0 FLAT SPEND SNAP ROLLS 0 STALL TURNS * EFFORTLESS TUACH ANDUOS AirTime Productions proudly presents THE88 Tn Now can see famous $118000 Tournament Champions RC aerobatic shoot-out own VCR Exdusive7 Coverage Theres nothing else like Twenty worlds top RC pilots flying awesome giantscale models high stakes contest based full-size aerobatic competition rules 1LRCXI Youll thrill flying II meet flyersPrettner Hyde IL~Ai Matt rest star studded field Youll see exciting demos Eagles Aerobatic Team Curtis Youngblood Kalt JR Radio helicopter teams plus Bob Violett jets L Whats youll see whole show fastpaced 45-minute broadcaststyle production thats smooth professional flying itself AirTimes 88 TOC tape youll treasure dont delayorder yours now FI-1 SEND ORDERS TOAVAILABLEONLY BY MAILSPECIFY QUANTITY & FORMAT W 4-6 WEEKS DELIVERY AirTIm Produstiotis 6311 N OConnor Rd LB 148TOC 88 .....LI VHS E BETA TAPES $1995 EA $ Irving TX 75039 IPLEASESENDTAPESTOSHIPPING WITHIN CONT US $250 EA __________I I______________I INAMESHIPPING OUTSIDE CONT US $600 IADDRESSTEXAS RES ADD $160 EA SALES TAX __________I ciDYRTATR&ZIPCHECK OR MO ONLYTOTAL $ L -I thought doesnt smart must OK second point John Im sure have gone long way toward bringing debates over size limits Quarter-Scale/Giant Scale face-toface reality publishing Bill Kincheloes Lethal Threshold discussion July 1987 Safety columnJDP hope reintroduce argument opportunity However close out less endorsing fic tional generality rge models tend fly slower small ones n true large model has very low wing loading pretty low powered also just dont tend fly slower may look slower because size mostly theyre Comparing case Pattern planes Py lon Racers weasel-wording argument least 90% RC planes sport jobs simple Scale models Whether looks 25engined J-3 Cub doesnt usually fly faster quarter-scale Cub Quadra OK perhaps did adequately stress need immediate washing happen suf fer misfortune getting something eye think Bobs letter has corrected miscon ception may have created previous col umn concerning risk injury presented chemicals eye Im going make further comments However subject models size ver sus its hazard think Safety column November 1988 magazine may have graphically illustrated dont have built Giantsized lead sled have potentially lethal wea pon column described incident oc curred 1987 UK threepound model making dead-stick approach landing struck modeler head caused fatal injuryContinued page 14S NIIELECTRICSEMISCALE Radio Control Sport/Trainer Wing Span H7 314 LeONIE 37 112 Weight lreadp tip SN oz WISH Area 530 sq 05 Motor Included DesigneR bp WoOdp Rlanchard Rae Local Dealer PAUL K GUILLOW INC WAKEFIELD MA 01080 22 Model Aviation 0 SCALE PROFILE 0 ESCELLENT TRAINER 0 PUS SPORT PLARE 0 o SR UPAS 0 522 RISC AREA 0 LUTE WEIGHT lQLR 03CRAS 0 o 15 ALL RALSA UREET COASTRUCTOOR 0 SLUR SEAR 0 o SLEC SE SAS RUILDS EAST 0 PULL UIZE ROLLED PLANS 0 0 ALL SURE 0 ULTRA LUTE RIND LOADING FLAT BOTTOM WINO 0 LOOKS LIKE CER FLYS LIKE CUR 0 THE SPOET CUE 0 w W W W Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145
Edition: Model Aviation - 1989/02
Page Numbers: 14, 16, 18, 20, 22, 145
John Preston Safety812 NFirst orehampton St NW Washingion DC ThIs column provided address Items concern regardIng safety aspects model aviation activides Content column however opinIon author does necessarily repmsent offidal position Academy Model Aeronautics Errors judgement Trash can fires Keep empty fuel containers out trash cans Safety Soapbox ERRORS judgement Henry Farrar editor LIDS flyer newsletter Long Island Drone Society recently sent copy page November 11 1931 issue British magazine Aeroplane page contained article titled Errors Judgement Since model airplane crashes result pilot er ror thought appropriate open months column some extracts article would give credit its original author ever no name given Accidents will happen best regulated families old proverb tells us top remember dictum Thomas Carlyle population Great Britain con sists did time thirty-five million people mostly fools wonder accidents far common Also remember dictum Mr Carlyle understand better according fig ures given Captain Lamplugh lecture week ago vast majority accidents ascribed errors judgement phrase error judgement useful covers everything genulne error calculation thoroughiy competent person way down act common tongue would described just plain damned foolishness analyze form accident care fully accident fact caused error judgement aeroplane breaks air has error judgement somewhere Either gentleman slide rule has made error judgement calculations has made something too weak somewhere workmm has erred judgement own work inspector has erred judgement good bad work pilot has committed error judgement diving machine too hard puiling out dive too roughly result has broken something quite strong enough ordinary service ground engineer has charge machine has coupled up something should have coupled has coupled some thing up too tight has broken owner himself has omitted have machine properly overhauled competent person conceiv ably owner may have done rough landing some other time through error judgement estimation speed distance height may have cracked something inside machine nobody could possibly have noticed or lots things might exceed margin error plus minus Thus see argue matter out logically can no such thing acci dent accident must due error somebodys judgement arrive very nice argument about far fool ought protected agasnat own folly far ought protected against errors judgement other people article went discuss just far government British Air Ministry should al lowed go protecting safety pilots correspondence receive both letters related column relate regular job involves product safety Government agency nothing has changed since 1931 Despite job Fed eral Government regulatory agency am strong advocate mandatory rules objec tive safety can achieved voluntarily feel same way about hobby police selves its unlikely Big Brother will step mandate must behave order protect ourselves others accidents Trash can fires last months column dis cussed first incident Im aware model caught fire air much likely event may potentially hazardous reported September 1988 issue Transmitter news letter Belleville Illinois R/C Fliers edi tor Darwin Evelsizer involved fire trash can club flying field Under heading Safety Notes following report News through grapevine tells inci dent clubs other side river modelers need take notice seems modeler put empty almost empty fuel container trash barrel someone decided burn trash wasnt burn ing fast enough strongly enough suit some dumped some fuel As can guess fresh fuel andlor vapors first container got hot enough explode guy stand ing close fire received second- thirddegree burns tried put out fire first guy burned hands rather badly THE MODEL FUEL THAT WE USE WONT VAPORIZE AND EXPLODE AS READILY AS GASOLINE BUT IT STILL WILL DO SO IF YOU PUSH IT HARD ENOUGH bring fuel field plastic jugs dont just throw jug away empty Take thing home put trash container will get burned spoonful two fuel left bottom jug Continued page 16 -I rATS JUST IN CA5 AW E2ROS OF JUXEAENT ARE /ERLooEP/ 14 Model Aviation c$ N -Ii~ fI3 0 Dr f1 m0 j0rj 0 00 T10 000 0 - 0 c0 0- ~~-0 HI ~0 N 0 0 0 pii 2 00 0 ~00 - s 0 C C OCNOCC Cr OoorOo nnoo 000000CC ~ CoCrCCOCCCCCC-CCCC0CrrW- ~- CCC NCCrrCCC NWC t00IbOCn0Cr -CCC -3 CC CCWOCC C flCCflWmCCrOCCC BCCa CCH NOCCCCC~,-n WWCNCCCCDCCIOLCCCCCOXCCCWCCC C0I.O Icc InCCCoCr0r C-COQCCCCC0 o0 6CC-CCCCOCCC0I-*CCCi CCflCWCCNNNOCflCCW CCCCC CCWCCCOOQ S 0000 CCNLCCNOO0WCCN0*OCCANWN0NN CCCC0NNNCrCOCC0 -fl CA fl CflC- CWW * .tfl*CCC -Cr- -n N zocCrNNNN4CUCCCCC 010CrNCCCCCCJN0 pC-CO0NCCNC-CCCCCCCNOCCNfl CC-CCOC-CCCCNNCCNONCCC - -C Cr C C Cr - n NLCCCCC-aCC NOWOO CCC OCC0CCO PNCCNCCCCCNOPC N j p-C Orzin CACCNN7C~CCPW CCA0PN OUCCCCC 0oCCC ----C-=--------CCC~OCC*00 NC-CCNNNNNCCC 0CCOZCCCCCCC jiNCCCC CCCCCCC -CC-0CCCCCCr OC S CCC~0UCNCCOCCCCCCIOCCCC 0 CCCCCCCCCC co.-rpCC F -C-CC COCr CC 3-CC_CCCCN 00CCNC3_CCCCCCCCCC C 0-3 4 C 0CC IoZZC000NCCCCNOOCCC-NCCNNCCCCCCCO -N - CCCCN P C -NC-rNCINCr3-C33-OCr NNC CCCCCN CCCCLCCCCOCCC I I I i -CI 0 jJ h 0-I 24 U U 0 __ o -0 m -I CJ C 3f n C Ca U 40 S p 0 0u -w 10 a CC no CC - Cd0CCC 30 CCNN 0 a0 0 0 0C0C 00 ft ft -s CCWNN~ SSO0CCNNNNN U NCCCC C~44NC CCCCCCN&C CONaN0 CCCCCCCCCCC4OCCCN0CC-COO SCCONCCCNOCC CCCCC=CCCCC~ ON0N0NCCSNCCNCC0N~ 0 4CCCCCC CCNNN400CCCCCN- OCNO0OCOS COCCC NCCCNNN- -g CrCO. C4NNCCN Sftft iIw CC--CCCC U 0NNNCC4CC N0 ~0O993-CCCr99 9S CCdCCCCCC -CCSSCC CCCJ 0CC N0N0C~CC5 0CC- - ON -- ONON ~ CCft CC iCC C CCC CCC 0 CCCC0CCCCCCCC4CCCCOCC 0 NNW 000 CC Nft CCCCCCCC CCCCC 0 CCONNNN ft SN~fA C ICC a ~CCCCCCCCCC C o lAW IA U C~ 0 CCC CC - C -NP v1 cc ft CCCCC& a en os-a 3- en NOCCZ b U & 000CC r C i 0 -- a. 0C1w I U II 0 PU I U II i L p i U I -a 00 0 0- 0 0 0 0 0 0 0 0 C C CCCN~ C CCNCCOCC U N- N -OCCN 0CrN0CCC CC Cr 00 W NCCCC NOONCC NCC NOCO 4NN N N NEW ELECTRIC Fly .. t stand-way-off scale fun ship designed forO5 electric power can perform take-offs touch goes aerobatics beauty yetenjoydocile slowflightforeasy landings Quickand easyto build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-Combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying V weight flat bottom airfoil rudder elevator motor add ailerons too IIAVEY SPECIAL COMBO PRICE $4795 YSTEMS 675 TO WER LANE BASIC KIT $244ORPORATION215~ IL@CTITL Tedqa1e LHC-04 SPRAY ADHESIVE New Spray Adhesive bonds wing skins foam cores laminates balsa sheets works anywhere else ordinary spray adhesives work big exception. works better ond aw guarantee youre completely satisfied LOCTITE5 Spray Adhesive simply return unused portion us along sales receipt well retund money Lightly spray foam 3 Allow core balsa sheet become touch dry .a ~ Lightly spray balsa orottrerwing coveringw / sLiP 5HEET su 4 Place wax paper slip sheet over core leaving /2 leading edge exposed 6 Rub sheeting covering down over until sticks tirmly loam core Place balsa sheet covering ot slip sheet slide balsa correct position Press leading edge down until sticks exposed strip itt covering ve slip sheet Available quality hobby shops everywher& Loctite registered trademark Loctite Corporation first time burned battery working computer backup power sup ply application utilized six-volt batter ies power toss backup wearing watch metal band band came contact battery wiring shorted out batter ies watchband became red hot instantly received third-degree burns ann thumb also got burned grabbed watch pull off second time burned shame watchband shorted out across ba nana plug receptacles power panel flight box also have watchband short across live wires occurred working car incident arc bright voluntarily jerked ann broke connec tion no damage other singed watchband now routinely remove watch performing automobile chores wear ring aware also could cause short across battery terminals Safety Soapbox take time write thank add footnote enjoy reading column However letter agrees what have say Such letter Bob Sexton gan May 1987 got sidetracked Bob recently doing some computer housekeeping discovered unfinished letter 6nally got mailed October 1988 letter took issue couple topics Ive covered previous columns follows First discussion chemicals eyes dangerously understated know Continued page 20 18 Model Aviation trying make point about MEKP cata lyst polyester resinJDP didnt con vey essential safety information first place dont know MEK methyl ethyl ketone solvent ABS plasticJDP harmless eyes dont think should suggest case default comparison MEKP unless have researched infor mation should come capable experienced industrial physician ophthalmologist some accepted reference second place get ANY dustrial household garden other chemical eyes MUST wash Out because odds thousand have no idea what chemicals effect eyes will Washing means 15repeat 15minutes wa ter flowing over eyeball exposed inner surfaces eyelids After during youve got help get medical assistance first thing get washing done promptly holding eyes open flow water using industrial eyewash-fountain assistance another person valuable maybe necessary Certainly home such aid absolutely neces sary because useful water sources probably shower garden hose luck water faucet victim can lie under Help needed because usually dont have enough hands hold eyelids open ma nlpulating water source dont forget might able see too well Lest think Im making federal case chat experienced industrial physi cian eye doctor about sad loss-ofvision cases have treated have countless eases severe damage partial complete blindness because victim Continued page 22 Span85in Length66 Wing area 1213 sq Weight 5 lbs Power035-040 G38-G62 FdWI $21500 plum shIpping *1100 Eveeything scratch kit ml preoje wood pats complete model z DILMXE Nit $28500 plus shipping $1100 Everything feE kit hut wing spars Iustalml wings stab turtle deck hatch S fin wsskteend 1116 helsa MAKES BINLOlIlO GUICKI AK wood foam construction 5eqt~ cowl & pants 2-plsce plug-in wings Foam corn airfoilad tail surfaces No tail brace wires reqaireti FOR MORE INFO OR TO PLACE ORDER CONTACT SPIRIT LAKE HOBBIES Ph 712 336-5S86 1621 Hill Ave Spirit Lake IA 51360 20 Model Aviation ~ TR260 FreucIi Amkivic Duip 1/4 Stand-off Scab Kit Sawtek Nit $10300 plus shipping $1100 CewI pants cane landing gear plans learn cuss tsr shig jg seilacat turtle deck S hatch Tidewater Hobby Enterprises 78S SEAL, SOSIEAFIELDFL ALASI 904 245-4653 AMERICAN QUALITY SUPERIOR PERFORMANCE PRODUCTS YOU CAN NE PRORO OP ILITY STANDARDS AT TIDEWATER ESSARELY RICA RECAUUE TEE * MARUPACTUREIS TSR F] IS TAKE ES TEE FIELD U COMPLETE LINE AVIALABLE AT QUALITY HORNY DROPS PLAYMATE 60 50 OW /695 * 64 URMEDYMETRICAL RIND WINS AREA 0 CHANNEL * 45 CYCLE 0 AR CECLE LITE RESUME 5LB * 0 COMPLETE EUT POLIUNES ALUM UNDIES SEAR MERE S TAIL REEEL HATES FUEL TANK 0 3 MAIN WHEELS ENJOY PERPORMENS LOOPS ROLLS D 0 FLAT SPEND SNAP ROLLS 0 STALL TURNS * EFFORTLESS TUACH ANDUOS AirTime Productions proudly presents THE88 Tn Now can see famous $118000 Tournament Champions RC aerobatic shoot-out own VCR Exdusive7 Coverage Theres nothing else like Twenty worlds top RC pilots flying awesome giantscale models high stakes contest based full-size aerobatic competition rules 1LRCXI Youll thrill flying II meet flyersPrettner Hyde IL~Ai Matt rest star studded field Youll see exciting demos Eagles Aerobatic Team Curtis Youngblood Kalt JR Radio helicopter teams plus Bob Violett jets L Whats youll see whole show fastpaced 45-minute broadcaststyle production thats smooth professional flying itself AirTimes 88 TOC tape youll treasure dont delayorder yours now FI-1 SEND ORDERS TOAVAILABLEONLY BY MAILSPECIFY QUANTITY & FORMAT W 4-6 WEEKS DELIVERY AirTIm Produstiotis 6311 N OConnor Rd LB 148TOC 88 .....LI VHS E BETA TAPES $1995 EA $ Irving TX 75039 IPLEASESENDTAPESTOSHIPPING WITHIN CONT US $250 EA __________I I______________I INAMESHIPPING OUTSIDE CONT US $600 IADDRESSTEXAS RES ADD $160 EA SALES TAX __________I ciDYRTATR&ZIPCHECK OR MO ONLYTOTAL $ L -I thought doesnt smart must OK second point John Im sure have gone long way toward bringing debates over size limits Quarter-Scale/Giant Scale face-toface reality publishing Bill Kincheloes Lethal Threshold discussion July 1987 Safety columnJDP hope reintroduce argument opportunity However close out less endorsing fic tional generality rge models tend fly slower small ones n true large model has very low wing loading pretty low powered also just dont tend fly slower may look slower because size mostly theyre Comparing case Pattern planes Py lon Racers weasel-wording argument least 90% RC planes sport jobs simple Scale models Whether looks 25engined J-3 Cub doesnt usually fly faster quarter-scale Cub Quadra OK perhaps did adequately stress need immediate washing happen suf fer misfortune getting something eye think Bobs letter has corrected miscon ception may have created previous col umn concerning risk injury presented chemicals eye Im going make further comments However subject models size ver sus its hazard think Safety column November 1988 magazine may have graphically illustrated dont have built Giantsized lead sled have potentially lethal wea pon column described incident oc curred 1987 UK threepound model making dead-stick approach landing struck modeler head caused fatal injuryContinued page 14S NIIELECTRICSEMISCALE Radio Control Sport/Trainer Wing Span H7 314 LeONIE 37 112 Weight lreadp tip SN oz WISH Area 530 sq 05 Motor Included DesigneR bp WoOdp Rlanchard Rae Local Dealer PAUL K GUILLOW INC WAKEFIELD MA 01080 22 Model Aviation 0 SCALE PROFILE 0 ESCELLENT TRAINER 0 PUS SPORT PLARE 0 o SR UPAS 0 522 RISC AREA 0 LUTE WEIGHT lQLR 03CRAS 0 o 15 ALL RALSA UREET COASTRUCTOOR 0 SLUR SEAR 0 o SLEC SE SAS RUILDS EAST 0 PULL UIZE ROLLED PLANS 0 0 ALL SURE 0 ULTRA LUTE RIND LOADING FLAT BOTTOM WINO 0 LOOKS LIKE CER FLYS LIKE CUR 0 THE SPOET CUE 0 w W W W Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145
Edition: Model Aviation - 1989/02
Page Numbers: 14, 16, 18, 20, 22, 145
John Preston Safety812 NFirst orehampton St NW Washingion DC ThIs column provided address Items concern regardIng safety aspects model aviation activides Content column however opinIon author does necessarily repmsent offidal position Academy Model Aeronautics Errors judgement Trash can fires Keep empty fuel containers out trash cans Safety Soapbox ERRORS judgement Henry Farrar editor LIDS flyer newsletter Long Island Drone Society recently sent copy page November 11 1931 issue British magazine Aeroplane page contained article titled Errors Judgement Since model airplane crashes result pilot er ror thought appropriate open months column some extracts article would give credit its original author ever no name given Accidents will happen best regulated families old proverb tells us top remember dictum Thomas Carlyle population Great Britain con sists did time thirty-five million people mostly fools wonder accidents far common Also remember dictum Mr Carlyle understand better according fig ures given Captain Lamplugh lecture week ago vast majority accidents ascribed errors judgement phrase error judgement useful covers everything genulne error calculation thoroughiy competent person way down act common tongue would described just plain damned foolishness analyze form accident care fully accident fact caused error judgement aeroplane breaks air has error judgement somewhere Either gentleman slide rule has made error judgement calculations has made something too weak somewhere workmm has erred judgement own work inspector has erred judgement good bad work pilot has committed error judgement diving machine too hard puiling out dive too roughly result has broken something quite strong enough ordinary service ground engineer has charge machine has coupled up something should have coupled has coupled some thing up too tight has broken owner himself has omitted have machine properly overhauled competent person conceiv ably owner may have done rough landing some other time through error judgement estimation speed distance height may have cracked something inside machine nobody could possibly have noticed or lots things might exceed margin error plus minus Thus see argue matter out logically can no such thing acci dent accident must due error somebodys judgement arrive very nice argument about far fool ought protected agasnat own folly far ought protected against errors judgement other people article went discuss just far government British Air Ministry should al lowed go protecting safety pilots correspondence receive both letters related column relate regular job involves product safety Government agency nothing has changed since 1931 Despite job Fed eral Government regulatory agency am strong advocate mandatory rules objec tive safety can achieved voluntarily feel same way about hobby police selves its unlikely Big Brother will step mandate must behave order protect ourselves others accidents Trash can fires last months column dis cussed first incident Im aware model caught fire air much likely event may potentially hazardous reported September 1988 issue Transmitter news letter Belleville Illinois R/C Fliers edi tor Darwin Evelsizer involved fire trash can club flying field Under heading Safety Notes following report News through grapevine tells inci dent clubs other side river modelers need take notice seems modeler put empty almost empty fuel container trash barrel someone decided burn trash wasnt burn ing fast enough strongly enough suit some dumped some fuel As can guess fresh fuel andlor vapors first container got hot enough explode guy stand ing close fire received second- thirddegree burns tried put out fire first guy burned hands rather badly THE MODEL FUEL THAT WE USE WONT VAPORIZE AND EXPLODE AS READILY AS GASOLINE BUT IT STILL WILL DO SO IF YOU PUSH IT HARD ENOUGH bring fuel field plastic jugs dont just throw jug away empty Take thing home put trash container will get burned spoonful two fuel left bottom jug Continued page 16 -I rATS JUST IN CA5 AW E2ROS OF JUXEAENT ARE /ERLooEP/ 14 Model Aviation c$ N -Ii~ fI3 0 Dr f1 m0 j0rj 0 00 T10 000 0 - 0 c0 0- ~~-0 HI ~0 N 0 0 0 pii 2 00 0 ~00 - s 0 C C OCNOCC Cr OoorOo nnoo 000000CC ~ CoCrCCOCCCCCC-CCCC0CrrW- ~- CCC NCCrrCCC NWC t00IbOCn0Cr -CCC -3 CC CCWOCC C flCCflWmCCrOCCC BCCa CCH NOCCCCC~,-n WWCNCCCCDCCIOLCCCCCOXCCCWCCC C0I.O Icc InCCCoCr0r C-COQCCCCC0 o0 6CC-CCCCOCCC0I-*CCCi CCflCWCCNNNOCflCCW CCCCC CCWCCCOOQ S 0000 CCNLCCNOO0WCCN0*OCCANWN0NN CCCC0NNNCrCOCC0 -fl CA fl CflC- CWW * .tfl*CCC -Cr- -n N zocCrNNNN4CUCCCCC 010CrNCCCCCCJN0 pC-CO0NCCNC-CCCCCCCNOCCNfl CC-CCOC-CCCCNNCCNONCCC - -C Cr C C Cr - n NLCCCCC-aCC NOWOO CCC OCC0CCO PNCCNCCCCCNOPC N j p-C Orzin CACCNN7C~CCPW CCA0PN OUCCCCC 0oCCC ----C-=--------CCC~OCC*00 NC-CCNNNNNCCC 0CCOZCCCCCCC jiNCCCC CCCCCCC -CC-0CCCCCCr OC S CCC~0UCNCCOCCCCCCIOCCCC 0 CCCCCCCCCC co.-rpCC F -C-CC COCr CC 3-CC_CCCCN 00CCNC3_CCCCCCCCCC C 0-3 4 C 0CC IoZZC000NCCCCNOOCCC-NCCNNCCCCCCCO -N - CCCCN P C -NC-rNCINCr3-C33-OCr NNC CCCCCN CCCCLCCCCOCCC I I I i -CI 0 jJ h 0-I 24 U U 0 __ o -0 m -I CJ C 3f n C Ca U 40 S p 0 0u -w 10 a CC no CC - Cd0CCC 30 CCNN 0 a0 0 0 0C0C 00 ft ft -s CCWNN~ SSO0CCNNNNN U NCCCC C~44NC CCCCCCN&C CONaN0 CCCCCCCCCCC4OCCCN0CC-COO SCCONCCCNOCC CCCCC=CCCCC~ ON0N0NCCSNCCNCC0N~ 0 4CCCCCC CCNNN400CCCCCN- OCNO0OCOS COCCC NCCCNNN- -g CrCO. C4NNCCN Sftft iIw CC--CCCC U 0NNNCC4CC N0 ~0O993-CCCr99 9S CCdCCCCCC -CCSSCC CCCJ 0CC N0N0C~CC5 0CC- - ON -- ONON ~ CCft CC iCC C CCC CCC 0 CCCC0CCCCCCCC4CCCCOCC 0 NNW 000 CC Nft CCCCCCCC CCCCC 0 CCONNNN ft SN~fA C ICC a ~CCCCCCCCCC C o lAW IA U C~ 0 CCC CC - C -NP v1 cc ft CCCCC& a en os-a 3- en NOCCZ b U & 000CC r C i 0 -- a. 0C1w I U II 0 PU I U II i L p i U I -a 00 0 0- 0 0 0 0 0 0 0 0 C C CCCN~ C CCNCCOCC U N- N -OCCN 0CrN0CCC CC Cr 00 W NCCCC NOONCC NCC NOCO 4NN N N NEW ELECTRIC Fly .. t stand-way-off scale fun ship designed forO5 electric power can perform take-offs touch goes aerobatics beauty yetenjoydocile slowflightforeasy landings Quickand easyto build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-Combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying V weight flat bottom airfoil rudder elevator motor add ailerons too IIAVEY SPECIAL COMBO PRICE $4795 YSTEMS 675 TO WER LANE BASIC KIT $244ORPORATION215~ IL@CTITL Tedqa1e LHC-04 SPRAY ADHESIVE New Spray Adhesive bonds wing skins foam cores laminates balsa sheets works anywhere else ordinary spray adhesives work big exception. works better ond aw guarantee youre completely satisfied LOCTITE5 Spray Adhesive simply return unused portion us along sales receipt well retund money Lightly spray foam 3 Allow core balsa sheet become touch dry .a ~ Lightly spray balsa orottrerwing coveringw / sLiP 5HEET su 4 Place wax paper slip sheet over core leaving /2 leading edge exposed 6 Rub sheeting covering down over until sticks tirmly loam core Place balsa sheet covering ot slip sheet slide balsa correct position Press leading edge down until sticks exposed strip itt covering ve slip sheet Available quality hobby shops everywher& Loctite registered trademark Loctite Corporation first time burned battery working computer backup power sup ply application utilized six-volt batter ies power toss backup wearing watch metal band band came contact battery wiring shorted out batter ies watchband became red hot instantly received third-degree burns ann thumb also got burned grabbed watch pull off second time burned shame watchband shorted out across ba nana plug receptacles power panel flight box also have watchband short across live wires occurred working car incident arc bright voluntarily jerked ann broke connec tion no damage other singed watchband now routinely remove watch performing automobile chores wear ring aware also could cause short across battery terminals Safety Soapbox take time write thank add footnote enjoy reading column However letter agrees what have say Such letter Bob Sexton gan May 1987 got sidetracked Bob recently doing some computer housekeeping discovered unfinished letter 6nally got mailed October 1988 letter took issue couple topics Ive covered previous columns follows First discussion chemicals eyes dangerously understated know Continued page 20 18 Model Aviation trying make point about MEKP cata lyst polyester resinJDP didnt con vey essential safety information first place dont know MEK methyl ethyl ketone solvent ABS plasticJDP harmless eyes dont think should suggest case default comparison MEKP unless have researched infor mation should come capable experienced industrial physician ophthalmologist some accepted reference second place get ANY dustrial household garden other chemical eyes MUST wash Out because odds thousand have no idea what chemicals effect eyes will Washing means 15repeat 15minutes wa ter flowing over eyeball exposed inner surfaces eyelids After during youve got help get medical assistance first thing get washing done promptly holding eyes open flow water using industrial eyewash-fountain assistance another person valuable maybe necessary Certainly home such aid absolutely neces sary because useful water sources probably shower garden hose luck water faucet victim can lie under Help needed because usually dont have enough hands hold eyelids open ma nlpulating water source dont forget might able see too well Lest think Im making federal case chat experienced industrial physi cian eye doctor about sad loss-ofvision cases have treated have countless eases severe damage partial complete blindness because victim Continued page 22 Span85in Length66 Wing area 1213 sq Weight 5 lbs Power035-040 G38-G62 FdWI $21500 plum shIpping *1100 Eveeything scratch kit ml preoje wood pats complete model z DILMXE Nit $28500 plus shipping $1100 Everything feE kit hut wing spars Iustalml wings stab turtle deck hatch S fin wsskteend 1116 helsa MAKES BINLOlIlO GUICKI AK wood foam construction 5eqt~ cowl & pants 2-plsce plug-in wings Foam corn airfoilad tail surfaces No tail brace wires reqaireti FOR MORE INFO OR TO PLACE ORDER CONTACT SPIRIT LAKE HOBBIES Ph 712 336-5S86 1621 Hill Ave Spirit Lake IA 51360 20 Model Aviation ~ TR260 FreucIi Amkivic Duip 1/4 Stand-off Scab Kit Sawtek Nit $10300 plus shipping $1100 CewI pants cane landing gear plans learn cuss tsr shig jg seilacat turtle deck S hatch Tidewater Hobby Enterprises 78S SEAL, SOSIEAFIELDFL ALASI 904 245-4653 AMERICAN QUALITY SUPERIOR PERFORMANCE PRODUCTS YOU CAN NE PRORO OP ILITY STANDARDS AT TIDEWATER ESSARELY RICA RECAUUE TEE * MARUPACTUREIS TSR F] IS TAKE ES TEE FIELD U COMPLETE LINE AVIALABLE AT QUALITY HORNY DROPS PLAYMATE 60 50 OW /695 * 64 URMEDYMETRICAL RIND WINS AREA 0 CHANNEL * 45 CYCLE 0 AR CECLE LITE RESUME 5LB * 0 COMPLETE EUT POLIUNES ALUM UNDIES SEAR MERE S TAIL REEEL HATES FUEL TANK 0 3 MAIN WHEELS ENJOY PERPORMENS LOOPS ROLLS D 0 FLAT SPEND SNAP ROLLS 0 STALL TURNS * EFFORTLESS TUACH ANDUOS AirTime Productions proudly presents THE88 Tn Now can see famous $118000 Tournament Champions RC aerobatic shoot-out own VCR Exdusive7 Coverage Theres nothing else like Twenty worlds top RC pilots flying awesome giantscale models high stakes contest based full-size aerobatic competition rules 1LRCXI Youll thrill flying II meet flyersPrettner Hyde IL~Ai Matt rest star studded field Youll see exciting demos Eagles Aerobatic Team Curtis Youngblood Kalt JR Radio helicopter teams plus Bob Violett jets L Whats youll see whole show fastpaced 45-minute broadcaststyle production thats smooth professional flying itself AirTimes 88 TOC tape youll treasure dont delayorder yours now FI-1 SEND ORDERS TOAVAILABLEONLY BY MAILSPECIFY QUANTITY & FORMAT W 4-6 WEEKS DELIVERY AirTIm Produstiotis 6311 N OConnor Rd LB 148TOC 88 .....LI VHS E BETA TAPES $1995 EA $ Irving TX 75039 IPLEASESENDTAPESTOSHIPPING WITHIN CONT US $250 EA __________I I______________I INAMESHIPPING OUTSIDE CONT US $600 IADDRESSTEXAS RES ADD $160 EA SALES TAX __________I ciDYRTATR&ZIPCHECK OR MO ONLYTOTAL $ L -I thought doesnt smart must OK second point John Im sure have gone long way toward bringing debates over size limits Quarter-Scale/Giant Scale face-toface reality publishing Bill Kincheloes Lethal Threshold discussion July 1987 Safety columnJDP hope reintroduce argument opportunity However close out less endorsing fic tional generality rge models tend fly slower small ones n true large model has very low wing loading pretty low powered also just dont tend fly slower may look slower because size mostly theyre Comparing case Pattern planes Py lon Racers weasel-wording argument least 90% RC planes sport jobs simple Scale models Whether looks 25engined J-3 Cub doesnt usually fly faster quarter-scale Cub Quadra OK perhaps did adequately stress need immediate washing happen suf fer misfortune getting something eye think Bobs letter has corrected miscon ception may have created previous col umn concerning risk injury presented chemicals eye Im going make further comments However subject models size ver sus its hazard think Safety column November 1988 magazine may have graphically illustrated dont have built Giantsized lead sled have potentially lethal wea pon column described incident oc curred 1987 UK threepound model making dead-stick approach landing struck modeler head caused fatal injuryContinued page 14S NIIELECTRICSEMISCALE Radio Control Sport/Trainer Wing Span H7 314 LeONIE 37 112 Weight lreadp tip SN oz WISH Area 530 sq 05 Motor Included DesigneR bp WoOdp Rlanchard Rae Local Dealer PAUL K GUILLOW INC WAKEFIELD MA 01080 22 Model Aviation 0 SCALE PROFILE 0 ESCELLENT TRAINER 0 PUS SPORT PLARE 0 o SR UPAS 0 522 RISC AREA 0 LUTE WEIGHT lQLR 03CRAS 0 o 15 ALL RALSA UREET COASTRUCTOOR 0 SLUR SEAR 0 o SLEC SE SAS RUILDS EAST 0 PULL UIZE ROLLED PLANS 0 0 ALL SURE 0 ULTRA LUTE RIND LOADING FLAT BOTTOM WINO 0 LOOKS LIKE CER FLYS LIKE CUR 0 THE SPOET CUE 0 w W W W Safety/Preston Continued page 22 Today can go step further drawing attention recent Federal Government deci sion ban lawn darts familiar products supplied part outdoor game set about foot long weigh about third pound generally have blunt metal tip about 1A in diameter have plas tic fins game intended played grass hence name darts thrown circular target placed ground about 30 ft thrower rationale suggest dropped vertically about 13 ft producing velocity 29 ft/sec such product could penetrate person s skull products known have killed three children lieved have caused about 650 serious injuries per year over last 10 years lawn dart travelling 29 ft/sec has kine tic energy 39 ft-lb Thats lot less 57 ft-lb figure wrote July 1987 column mentioned Lethal Thresh old item Protobype/Daley Continued page 31 firewall recommended same size triangle stock also used around other formers added strength Cut trial fit horizontal stabilizer slot rear fuselage Align adjust stab until centered 900 fuselage sides its tips equidistant front fuselage three adjustments right glue stab place epoxy Sheet top fuselage %2-in balsa Cut trial fit vertical stabi lizer Again alignment critical must 900 horizontal stab perfectly line centerline fuselage Use epoxy glue place Cut trial fit temporarily hinge el evator rudder Working bot tom fuselage define pushrod ex its install guides elevator rudder Fasten pushrod guides several locations along length Sheet bottom fuselage %2-balsa Cut shape trial fit hatch front fuselage recommended make structure removable such method shown plans de sign facilitates access fuel tank bat tery receiver hatch should rounded shape F-i leading edge top wing cowl fits over firewall sand hatch lightly avoid making undersized Trial fit canopy top hatch canopy should last items fastened help prevent being scratched otherwise damaged Final Assembly Trial fit Enya engine mount hold assembly up firewall determine its desired loca tion Ensure sufficient clearance muffler found Enya 80 fourcycle Enya 45 CX geared pump fit best 450 sideways mounting position engine rotated 450 right viewed rear model model requires no right thrust downthrust centerline engine gov erued configuration cowling used first prototype models used Sig Kadet MKII cowl Sig Manufac turing four-cycle installation best use fiberglass cowl SK-1FC avail able T & D Fiberglass Specialties 30925 Block Garden City MI 48135 Phone 313 421-6358 Mark firewall placement holes blind nuts will installed Drill holes install blind nuts Temporarily attach engine fire wall work out routing throt tle nose wheel steering pushrods standard nose wheel gear can installed engine mount holes providedor nose gear block mounted underueath engine Trial fit fuel tank decide will route fuel tubing Drill holes firewall pushrods fuel tubing remote fueler such Du-Bro Kwik-Fill Fuel Valve Robart Superfueler II Ultra Fueler used determine its lo cation trial fit time Also re mote glow plug device used highly recommended four-cycle Enya en gine installation due its glow plug loca tion now good time consider lo cation February 1989 145