ohn Preston First Safety Cdmes Preflight inspection plane can save LOTS em barrassment later RC pilots would well stay near enough other allow com munication coordination Power fliers would well use hearing pro tectors SOME time ago talked about im portance conducting preflight inspections models An incident witnessed just two days ago prompts mention sub ject again local RC clubs held Scale contest nearby full-scale aero drome served static judges Inorder start flying portion contest early possible Saturday static judging began Fri day afternoon scrutinizing someones pride joy accuracy outline heard extremely loud crunch unmistakably sound model ending its useful days contact terra firma Looking up treat ed sight wing lazily descending out blue postmortem discussion revealed owner shall nameless experienced builder flier brought 1A-scale Steen Skybolt powered Kawasaki engine con test use flight judge s warmer upper familiar term common practice have some fly modelwhich entered contestbefore first contestants flight flight judges normalize scoring Anyway cut long story short models owner finished chores preparing contest decided just enough time left before din ner enjoy flight Unfortunately haste failed insert pin re tains upper wing cabane After normal takeoff remarkable amount up-trim indicated well Skybolts owner elected return immediately landing determine cause trim change However stress fasteners between up per wing interplane struts proved design could handle upper wing parted company rest model point nose-up trim changed violent nose down trim could overcome full up-elevator 30-lb model struck ground such force entire engine buried crash uncomfortably close row hangars parked number classic biplanes incident pointed out im portance preflight checkparticular ly important model happens have complicated rigging has assem bled field few weeks ago received envelope mail Charlie Spear AMA District IV AVP Associate Vice-President envelope contained preflight check lists models printed card approx imately 6 x 9 inches laminated plastic durability note Charlie 0 / stated new member Winston-Salem RC Club receives two preflight cards work shop field box side card Maiden Flight Pre flight list other Routine Preflight list According June issue newsletter circulated District IV VP preflight inspection cards available Charlie about $100 Contact Charles Spear 253 Holly Lane Mocksville NC 27028 suggest drop Charlie note right away Staying subject errant models dropping out sky following ap peared April issue North Dallas RC Clubs newsletter edited Dan Rau David Williford credited author title Close En counter Closest Kind. Have ever hit air plane Have ever thought might get hit model runway truth anybody has flown RC has probably daylight scared out him least once As result us probably us think impor Continued page 14 / TI-lINK WE FOUND ThAT LITTlE BUZ7 IN YOLA EA odel Aviation High film strength lubricant increased power long engine life Detergents cut performance robbing varnish Highest quality ingredients insure top engine performance reliability Gal PriceDrum Price Type Nitro % LubricantFreight PaidFreight-Collect FAI00/0Synthetic$ 675$13995 5550/0Synthetic$ 775$21995 Sc5%Castor$ 775$21995 4 cyl7%Castor$ 850$28995 lOs10%Synthetic$ 895$32995 lOc10%Castor$ 895$32995 RIG120/oSyn & Castor$ 995$34995 iSs15%Synthetic$ 995$34995 20c20%Castor$1395$51995 25s25%Synthetic$1495$52995 4040%iSSyn-SCastor$1995$72995 5050%Synthetic$2395$89595 6060%Synthetic$2695$99595 contIguous US EXCEPT 54 GAL DRUMS MINIMUM ORDER 4 Gal Asst OK DISCOUNTS 24 63 Gal Deduct 5% Asstd OK 64 Gal Orders Deduct 100/0 Asstd OK SHELDONS Hours HOBBY SHOP Mon Wed Fri & Sat 3157 Alum Rock Avenue 530 San Jose California 95127 Thur 9 30-900 M/C VISASun 1200-500 UPS COD $165408 2514787 tance safety Lets see can pick out what went wrong following close encounter Tuesday March 20 Mes quite field rained hard morn ing sun broken out clouds wind blowing lightly crosswind over runway middle second flight stand ing just off runway center left three-quarters way down another gentleman also flying Another fellow set plane engine running runway threequarters way end run way right wind began pick up checked controls ran up engine idled back down glanced over just before ready take off noticed composing him self opened throttle lowwing tail-dragger much horror watched plane roll down runway little lift off right wing high wind caught wing increas ing left bank gaining much altitude air plane headed straight towards fellow left plane missed him inch es taking last fourth transmitter antenna wing impact knocked transmitter ground Stunned knowing what hit him groped fallen transmitter time picked up plane crashed 10 feet behind frequency flag fall en antenna waving proudly wing first plane banked headed like deranged kamakaze pilot flew wildly right past landing downwind lost sight plane once middle excitement managed stay control long enough make final approach landing did plane come close two other pilots After talking pilot kamakaze plane found some answers 1 plane out trim 2 bad crosswind plane took off downwind crosswind 3 Probably important fact three pilots made no attempt stand together too far apart Fliers need stand together conclusion now understand club has defined pilot area Warren Field needed Mes quite help keep pilots flying either end playing chicken Getting hit plane would no fun used agree David author account now Im sure RC pilots should close together flying appears some RC frequencies transmitted two closely-spaced antennas can produce harmonic whatever can shoot down flier third frequency Ap Continued page 16 14 Model Aviation World War isnt Quite Over Yet EINDECKER E-III 34 Channel R/C Systems$3995 Balsa Construction add $2 postage/handirna T6 15TEXb4N11I SNJ 55 Wingspan / 35 45 Engines 101 WIng 2 $04 Cu Enginna GIANT R/C SCALE Moran SAULNIER N * Banotfotty Moldad Fibasgia Fosoingo1S00 Sq AmaBeaat yeas prodoct ts 01 0 d fasot tao YOaRe * 0tallMoIdd Trannpornn Canopythe rogged coost oct se ft thed e Cut parts Both have * Coggad Fibargia Moldad Engin Cowting Coerpete KL $27500a histoty contest sues Easy Ootd sayerS rt tight * Plywood Ftmnwalt Hardosamo Innindadpbs $1000 shippog & OandlrngPlease add $2 postage/handling * Formad V din Landing Gao Lags y cocoon retuededl * Rallad Plan Intoetion reudeets ada aler Inquiries Now Invited $4395 a..s- VIJLTMATEFI Voltmaster very precisely measures transmitter receiver battery voltage under load determine whether battery reaching discharged state Green yellow red scales Indicate go-caution-no go situation Unique features include four voltage ranges including 12V starter batteries Load Engage switch monitor recovery rate cells important parameter deter mining cell condition plus Load Status switch two different loads 200 ma 500 ma can engaged large packs . 1200 mah up . can mon itored validity Less connectors 26K18Voltmaster Kit 26K18CVoitmaster Assembled $2495 $2995 AE E/ Irnj 16 Model Aviation parently does happen trans mitters spaced sufficiently far apart Im qualified give advice phenomenon will contact George M Myers writer MAs column Radio Technique seek advice Certain ly sake safety shouldnt fliers stationed simultaneously op posite ends active runway last account runaway model comes newsletter Flightmasters Model Airplane Club edited Joe Jamell Jr Joe following say under banner Safety Dept Did ever see RC pilot standing astride model running up engine restraining legs against stabilizer no-no recently watched 60-powered Ugly Stick part company its stab bolt through pit area damage several other models before coming rest feet Scratch Ugly Stick add few disgruntled fliers No hurt fortunately story think have say also fortunate stab came off did Seems models stabilizer cannot withstand force generated thrust its own engine isnt airworthy Perhaps other Ugly Stick owners should check security stabilizer choice different glues available use different joints must make course building model could long subject itself Perhaps Ill try future safety column however seems word caution order concern ing simultaneous use adhesive single joint received let ter month Ron Grosbach Enders NE Ron has building models life RC models occupying time over last five six years rather alarming experience relates follows Id like report something happened basement shop few evenings ago gluing short balsa strips wing fill some gaps using some old cyanoacrylate glue gave couple squirts accelerator hurry up drying first time ever used accelerator smell did bother some gaps along side balsa strip minute applied some Ambroid liquid cement seal balsa strip place rubbed finger Almost immediately hit sensation about pass out dont remember smell except Ambroid got back workbench few minutes later left room Later evening felt nauseated next day did feel quite right Continued page 135 N Send $200 complete catalog Ace items available dealer must order direct add $100 handling fee POEOXI11EHIGGINSVILLEMO64037 816484-71211 Letters Editor Continued page 10 pass atong tnans jam i.nipley real conversation piece wherever flies took Toms advice installed TD 051 after two flights 049 already Also give wing negative incidence -in shim trim out Tom Hayden Age 15 E Liverpool OH Glad successful Tom Lazy Duck does have very forgiving flight qualities foam-core structures go together easily quickly SafetylPreson Continued page 16 mild headache mild urinary irritation pounding sensation chest times Today feel better still have headache What effect does use combina tion glues produce Since work some chemists deal toxicity products part jobs consulted about Rons experience unable provide answer readers have solution Id sure appreciate letter Meanwhile perhaps should stay away combination glues Ron used AMA District X VP Jim Scarborough has sent contributions material col umn number occasions latest two newspaper clippings report death model Sailplane flier lived just couple miles Jims home California clipping reads follows Model Glider Flier Plunges Death Rancho PV 58-year-old Torrance man plunged 400 feet down cliff death about 430 pm Sunday maneuvering radio-controlled model glider Rancho Palos Verdes Los Angeles County Emergency Services Detail called recover body man mans body found base dllff seaward end Crenshaw Boulevard Portuguese Bend section Now Kit Form Save easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios \ Free servo reversing Hobby Lobby radios included service work FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled dr easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos AH battery pack 600mAH ft 1200mAH extra Expandable Palos Verdes peninsula Investigators theorize lost footing watching model glider sailing air currents coming off ocean below other newspaper reported death stated RC pilot re portedly lost footing fell gully trying reach glider after landed down hillside can add warning Slope Soarers care ful both actually flyingtheir models during retrieval operations should land down steep slope Apparently victim incident member AMA TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight character tistics Its predecessors Especially recommended sportsman ad vanced pattern also good choice turn-around pattern Plans construction hints WELLER 3 BLADE PROP very stiff molded fiberglas propellor England Its efficient design atlows substantial reduction noise level actually improving per formance $2000 NEW NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Light strong Low-profile seiflocking 3116 width wont cut silicone couplers Pkg 4 clamps -$295 $11995 wIth large lInear servos $12995 wIth small rotary servos Seed 1St let cemplets cetalsi 509 487-2122 Hear hear have previously mentioned noise generated two-stroke model airplane engines cautioned modelers aware excessive exposure loud noises can cause auditory impair ment hearing loss However until let ter Ed Guzick arrived mail box able provide firsthand account positively il lustrates should protect ears screaming banshees mount front creations Ed following say Ever hear tinnitus dictionary defines sound ears such buzzing ringing whistling caused NEW WING TUBE & SOCKETS Sleeve Puller $795 Bearing Puller $695 NEW 1 dia aluminum alloy tubing plug-In wings Included pair special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long $8g5Iaet ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily damage cone cone expanding brass ring grips sleeve bearing 10 new 60s 17MM rear bearing *Speclal* Bolh $1395 See Dealer Order Direct Include 75 Per Item UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 October1984 135 Full Command Systems 908 E Rosewood Spokane WA 99208 SAILPLANE LAUNCH EQUIPMENT FOR EVERY FIELD S PORTWINCH $2250 * ery tnc1ed $300 QP * ery inc1~sd $350Q9 * $250 qp * * plus shipping source QUIET FLIGHT supplies hi-starts electric motors& reducers bat te r ies pa rachutes tow line drums accessories braided nylon line selected kitsthe PROPHET sailplane kit VISA MASTERCARD hdflDAVEY Pint SYSTEMS U CORPORATION ONE WOOD LANEMALVERNPA19355 215644-06926772 Write call information defect auditory nerve doctor tells no cure exists nct sure exact cause does occur accumulative effects loud noise what goes wrong subject theory seems us prone damage some susceptible others After being around loud noise such skeet shootjng flying models would hear slight buzz later ing would gone morning. warning did realize time day flying field stood next 60 engine poor muffler siarted developed very loud buzzonly time would go away wa about 10 years ago still suffer problem way time Ive seen person using hearing protetors started engine unfortunate must learn mistakes hard way have consulted three doctors two audiologists tried hearing aids audio maskers contacted tin nitus center bottom line hearing down about 90 dB 4 kHz am told will get used However after 10 years sed would suggest especially younger hobbyist buy best hearing protectors can find wish someone given advice followed can add Eds letter say yoji have warned Perhaps big crease popularity four-stroke engines will save some flying sites also some modelers hearing too Have safe month John Preston 1223S Tilden wood Dr Rockvile MD 208S2 FunlWlnter Continued paqe 28 Virginia strips always seem east-west bdrdered nearby south woods patriotic wind course almost always out south fly high can stop shaking low rows scow through turbulent Niagara Falls Miraculously nothing rekitted models really fly didnt seem windy enough make Dave Brown switch model railroads dont want remember what saw want remember ihe Roibe SF 36 motor glider Voila must put hold specs Span 11811 fuselage 5315 area 103844 sq weight 12345 oz power 19 40 two-stroke 29 40 four-stroke air foil Wortman FX 126 1 suppose relatively few us have thrill seeing incredible catalogs Robbe Graupner other continental firms fullcolorsiniply stunning photosthan find National Geographic Few national magazines good Productsplanes boats elec tics accessoriesare painstakingly engineered f6r have terrible time equating German scale things possible pay $600 Sailplane kit Graupner know Kavan scale Continental engine can cost $1600 Remarkable kits worth such money same reasons will never own did Id never dare expose dusty field precarious skills products notable Electric things dont dream competitively priced kits must saidthaf need ask price cant afford Yet bigger German firms business millions Small towns may have two three shops am told fellow fliers have visited stock depth cant ask anything dont have Thanks Doug Pratt spent enthralled afternoon observing remark able Robbe SF 36 poor pictures dont justice least youll know what looks like day using Enya 40 four-cycle now replaced new Enya 45 four-stroker turns Master Airscrew 10-7 12000 rpm Wing panels plug everything engaged except quickly-removable canopy gives access attaching aileron devises bird onboard starter also Robbe weighs 7 lb its size weight vs power climbed well Cruising did fly like motor glider has respectable turn performance also soars easily racked around steeply- banked small-diameter turns fun comes try land Oh boy idle can begin next county skim weed tops couple hundred feet until learn really bleed off speed afid slow up sink nearly impossible get 300-ft strip dont care 6 high Poor Doug planted wheel landing tried hold downthe tail upbut skim- med off ground effect epeating process two three times whbn Doug found thing higher far end ground-skimming en try know would have taken entire 560-ft strip Fredericksburg get slowed up enough taxi turn thing can brought like Pattern job case find hanging shop get home Only crazy man would guess L/D ratio Without big field really must hone slowing up skills beyond familiar cries spoilers Robbe now incorpo rating machine lists about $200 rich blood well worth Let tell Germans serious precise thorough almost hurts Theirs whole different ball game Lots mail about ready-to-fly ship thai went bananas time touched ailerons guy suggested semi-symmetrical airfoil maybe 136 Model Aviation POWR TOW / POWR ZOOM RETRIEVER
Edition: Model Aviation - 1984/10
Page Numbers: 12, 14, 16, 135, 136
ohn Preston First Safety Cdmes Preflight inspection plane can save LOTS em barrassment later RC pilots would well stay near enough other allow com munication coordination Power fliers would well use hearing pro tectors SOME time ago talked about im portance conducting preflight inspections models An incident witnessed just two days ago prompts mention sub ject again local RC clubs held Scale contest nearby full-scale aero drome served static judges Inorder start flying portion contest early possible Saturday static judging began Fri day afternoon scrutinizing someones pride joy accuracy outline heard extremely loud crunch unmistakably sound model ending its useful days contact terra firma Looking up treat ed sight wing lazily descending out blue postmortem discussion revealed owner shall nameless experienced builder flier brought 1A-scale Steen Skybolt powered Kawasaki engine con test use flight judge s warmer upper familiar term common practice have some fly modelwhich entered contestbefore first contestants flight flight judges normalize scoring Anyway cut long story short models owner finished chores preparing contest decided just enough time left before din ner enjoy flight Unfortunately haste failed insert pin re tains upper wing cabane After normal takeoff remarkable amount up-trim indicated well Skybolts owner elected return immediately landing determine cause trim change However stress fasteners between up per wing interplane struts proved design could handle upper wing parted company rest model point nose-up trim changed violent nose down trim could overcome full up-elevator 30-lb model struck ground such force entire engine buried crash uncomfortably close row hangars parked number classic biplanes incident pointed out im portance preflight checkparticular ly important model happens have complicated rigging has assem bled field few weeks ago received envelope mail Charlie Spear AMA District IV AVP Associate Vice-President envelope contained preflight check lists models printed card approx imately 6 x 9 inches laminated plastic durability note Charlie 0 / stated new member Winston-Salem RC Club receives two preflight cards work shop field box side card Maiden Flight Pre flight list other Routine Preflight list According June issue newsletter circulated District IV VP preflight inspection cards available Charlie about $100 Contact Charles Spear 253 Holly Lane Mocksville NC 27028 suggest drop Charlie note right away Staying subject errant models dropping out sky following ap peared April issue North Dallas RC Clubs newsletter edited Dan Rau David Williford credited author title Close En counter Closest Kind. Have ever hit air plane Have ever thought might get hit model runway truth anybody has flown RC has probably daylight scared out him least once As result us probably us think impor Continued page 14 / TI-lINK WE FOUND ThAT LITTlE BUZ7 IN YOLA EA odel Aviation High film strength lubricant increased power long engine life Detergents cut performance robbing varnish Highest quality ingredients insure top engine performance reliability Gal PriceDrum Price Type Nitro % LubricantFreight PaidFreight-Collect FAI00/0Synthetic$ 675$13995 5550/0Synthetic$ 775$21995 Sc5%Castor$ 775$21995 4 cyl7%Castor$ 850$28995 lOs10%Synthetic$ 895$32995 lOc10%Castor$ 895$32995 RIG120/oSyn & Castor$ 995$34995 iSs15%Synthetic$ 995$34995 20c20%Castor$1395$51995 25s25%Synthetic$1495$52995 4040%iSSyn-SCastor$1995$72995 5050%Synthetic$2395$89595 6060%Synthetic$2695$99595 contIguous US EXCEPT 54 GAL DRUMS MINIMUM ORDER 4 Gal Asst OK DISCOUNTS 24 63 Gal Deduct 5% Asstd OK 64 Gal Orders Deduct 100/0 Asstd OK SHELDONS Hours HOBBY SHOP Mon Wed Fri & Sat 3157 Alum Rock Avenue 530 San Jose California 95127 Thur 9 30-900 M/C VISASun 1200-500 UPS COD $165408 2514787 tance safety Lets see can pick out what went wrong following close encounter Tuesday March 20 Mes quite field rained hard morn ing sun broken out clouds wind blowing lightly crosswind over runway middle second flight stand ing just off runway center left three-quarters way down another gentleman also flying Another fellow set plane engine running runway threequarters way end run way right wind began pick up checked controls ran up engine idled back down glanced over just before ready take off noticed composing him self opened throttle lowwing tail-dragger much horror watched plane roll down runway little lift off right wing high wind caught wing increas ing left bank gaining much altitude air plane headed straight towards fellow left plane missed him inch es taking last fourth transmitter antenna wing impact knocked transmitter ground Stunned knowing what hit him groped fallen transmitter time picked up plane crashed 10 feet behind frequency flag fall en antenna waving proudly wing first plane banked headed like deranged kamakaze pilot flew wildly right past landing downwind lost sight plane once middle excitement managed stay control long enough make final approach landing did plane come close two other pilots After talking pilot kamakaze plane found some answers 1 plane out trim 2 bad crosswind plane took off downwind crosswind 3 Probably important fact three pilots made no attempt stand together too far apart Fliers need stand together conclusion now understand club has defined pilot area Warren Field needed Mes quite help keep pilots flying either end playing chicken Getting hit plane would no fun used agree David author account now Im sure RC pilots should close together flying appears some RC frequencies transmitted two closely-spaced antennas can produce harmonic whatever can shoot down flier third frequency Ap Continued page 16 14 Model Aviation World War isnt Quite Over Yet EINDECKER E-III 34 Channel R/C Systems$3995 Balsa Construction add $2 postage/handirna T6 15TEXb4N11I SNJ 55 Wingspan / 35 45 Engines 101 WIng 2 $04 Cu Enginna GIANT R/C SCALE Moran SAULNIER N * Banotfotty Moldad Fibasgia Fosoingo1S00 Sq AmaBeaat yeas prodoct ts 01 0 d fasot tao YOaRe * 0tallMoIdd Trannpornn Canopythe rogged coost oct se ft thed e Cut parts Both have * Coggad Fibargia Moldad Engin Cowting Coerpete KL $27500a histoty contest sues Easy Ootd sayerS rt tight * Plywood Ftmnwalt Hardosamo Innindadpbs $1000 shippog & OandlrngPlease add $2 postage/handling * Formad V din Landing Gao Lags y cocoon retuededl * Rallad Plan Intoetion reudeets ada aler Inquiries Now Invited $4395 a..s- VIJLTMATEFI Voltmaster very precisely measures transmitter receiver battery voltage under load determine whether battery reaching discharged state Green yellow red scales Indicate go-caution-no go situation Unique features include four voltage ranges including 12V starter batteries Load Engage switch monitor recovery rate cells important parameter deter mining cell condition plus Load Status switch two different loads 200 ma 500 ma can engaged large packs . 1200 mah up . can mon itored validity Less connectors 26K18Voltmaster Kit 26K18CVoitmaster Assembled $2495 $2995 AE E/ Irnj 16 Model Aviation parently does happen trans mitters spaced sufficiently far apart Im qualified give advice phenomenon will contact George M Myers writer MAs column Radio Technique seek advice Certain ly sake safety shouldnt fliers stationed simultaneously op posite ends active runway last account runaway model comes newsletter Flightmasters Model Airplane Club edited Joe Jamell Jr Joe following say under banner Safety Dept Did ever see RC pilot standing astride model running up engine restraining legs against stabilizer no-no recently watched 60-powered Ugly Stick part company its stab bolt through pit area damage several other models before coming rest feet Scratch Ugly Stick add few disgruntled fliers No hurt fortunately story think have say also fortunate stab came off did Seems models stabilizer cannot withstand force generated thrust its own engine isnt airworthy Perhaps other Ugly Stick owners should check security stabilizer choice different glues available use different joints must make course building model could long subject itself Perhaps Ill try future safety column however seems word caution order concern ing simultaneous use adhesive single joint received let ter month Ron Grosbach Enders NE Ron has building models life RC models occupying time over last five six years rather alarming experience relates follows Id like report something happened basement shop few evenings ago gluing short balsa strips wing fill some gaps using some old cyanoacrylate glue gave couple squirts accelerator hurry up drying first time ever used accelerator smell did bother some gaps along side balsa strip minute applied some Ambroid liquid cement seal balsa strip place rubbed finger Almost immediately hit sensation about pass out dont remember smell except Ambroid got back workbench few minutes later left room Later evening felt nauseated next day did feel quite right Continued page 135 N Send $200 complete catalog Ace items available dealer must order direct add $100 handling fee POEOXI11EHIGGINSVILLEMO64037 816484-71211 Letters Editor Continued page 10 pass atong tnans jam i.nipley real conversation piece wherever flies took Toms advice installed TD 051 after two flights 049 already Also give wing negative incidence -in shim trim out Tom Hayden Age 15 E Liverpool OH Glad successful Tom Lazy Duck does have very forgiving flight qualities foam-core structures go together easily quickly SafetylPreson Continued page 16 mild headache mild urinary irritation pounding sensation chest times Today feel better still have headache What effect does use combina tion glues produce Since work some chemists deal toxicity products part jobs consulted about Rons experience unable provide answer readers have solution Id sure appreciate letter Meanwhile perhaps should stay away combination glues Ron used AMA District X VP Jim Scarborough has sent contributions material col umn number occasions latest two newspaper clippings report death model Sailplane flier lived just couple miles Jims home California clipping reads follows Model Glider Flier Plunges Death Rancho PV 58-year-old Torrance man plunged 400 feet down cliff death about 430 pm Sunday maneuvering radio-controlled model glider Rancho Palos Verdes Los Angeles County Emergency Services Detail called recover body man mans body found base dllff seaward end Crenshaw Boulevard Portuguese Bend section Now Kit Form Save easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios \ Free servo reversing Hobby Lobby radios included service work FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled dr easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos AH battery pack 600mAH ft 1200mAH extra Expandable Palos Verdes peninsula Investigators theorize lost footing watching model glider sailing air currents coming off ocean below other newspaper reported death stated RC pilot re portedly lost footing fell gully trying reach glider after landed down hillside can add warning Slope Soarers care ful both actually flyingtheir models during retrieval operations should land down steep slope Apparently victim incident member AMA TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight character tistics Its predecessors Especially recommended sportsman ad vanced pattern also good choice turn-around pattern Plans construction hints WELLER 3 BLADE PROP very stiff molded fiberglas propellor England Its efficient design atlows substantial reduction noise level actually improving per formance $2000 NEW NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Light strong Low-profile seiflocking 3116 width wont cut silicone couplers Pkg 4 clamps -$295 $11995 wIth large lInear servos $12995 wIth small rotary servos Seed 1St let cemplets cetalsi 509 487-2122 Hear hear have previously mentioned noise generated two-stroke model airplane engines cautioned modelers aware excessive exposure loud noises can cause auditory impair ment hearing loss However until let ter Ed Guzick arrived mail box able provide firsthand account positively il lustrates should protect ears screaming banshees mount front creations Ed following say Ever hear tinnitus dictionary defines sound ears such buzzing ringing whistling caused NEW WING TUBE & SOCKETS Sleeve Puller $795 Bearing Puller $695 NEW 1 dia aluminum alloy tubing plug-In wings Included pair special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long $8g5Iaet ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily damage cone cone expanding brass ring grips sleeve bearing 10 new 60s 17MM rear bearing *Speclal* Bolh $1395 See Dealer Order Direct Include 75 Per Item UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 October1984 135 Full Command Systems 908 E Rosewood Spokane WA 99208 SAILPLANE LAUNCH EQUIPMENT FOR EVERY FIELD S PORTWINCH $2250 * ery tnc1ed $300 QP * ery inc1~sd $350Q9 * $250 qp * * plus shipping source QUIET FLIGHT supplies hi-starts electric motors& reducers bat te r ies pa rachutes tow line drums accessories braided nylon line selected kitsthe PROPHET sailplane kit VISA MASTERCARD hdflDAVEY Pint SYSTEMS U CORPORATION ONE WOOD LANEMALVERNPA19355 215644-06926772 Write call information defect auditory nerve doctor tells no cure exists nct sure exact cause does occur accumulative effects loud noise what goes wrong subject theory seems us prone damage some susceptible others After being around loud noise such skeet shootjng flying models would hear slight buzz later ing would gone morning. warning did realize time day flying field stood next 60 engine poor muffler siarted developed very loud buzzonly time would go away wa about 10 years ago still suffer problem way time Ive seen person using hearing protetors started engine unfortunate must learn mistakes hard way have consulted three doctors two audiologists tried hearing aids audio maskers contacted tin nitus center bottom line hearing down about 90 dB 4 kHz am told will get used However after 10 years sed would suggest especially younger hobbyist buy best hearing protectors can find wish someone given advice followed can add Eds letter say yoji have warned Perhaps big crease popularity four-stroke engines will save some flying sites also some modelers hearing too Have safe month John Preston 1223S Tilden wood Dr Rockvile MD 208S2 FunlWlnter Continued paqe 28 Virginia strips always seem east-west bdrdered nearby south woods patriotic wind course almost always out south fly high can stop shaking low rows scow through turbulent Niagara Falls Miraculously nothing rekitted models really fly didnt seem windy enough make Dave Brown switch model railroads dont want remember what saw want remember ihe Roibe SF 36 motor glider Voila must put hold specs Span 11811 fuselage 5315 area 103844 sq weight 12345 oz power 19 40 two-stroke 29 40 four-stroke air foil Wortman FX 126 1 suppose relatively few us have thrill seeing incredible catalogs Robbe Graupner other continental firms fullcolorsiniply stunning photosthan find National Geographic Few national magazines good Productsplanes boats elec tics accessoriesare painstakingly engineered f6r have terrible time equating German scale things possible pay $600 Sailplane kit Graupner know Kavan scale Continental engine can cost $1600 Remarkable kits worth such money same reasons will never own did Id never dare expose dusty field precarious skills products notable Electric things dont dream competitively priced kits must saidthaf need ask price cant afford Yet bigger German firms business millions Small towns may have two three shops am told fellow fliers have visited stock depth cant ask anything dont have Thanks Doug Pratt spent enthralled afternoon observing remark able Robbe SF 36 poor pictures dont justice least youll know what looks like day using Enya 40 four-cycle now replaced new Enya 45 four-stroker turns Master Airscrew 10-7 12000 rpm Wing panels plug everything engaged except quickly-removable canopy gives access attaching aileron devises bird onboard starter also Robbe weighs 7 lb its size weight vs power climbed well Cruising did fly like motor glider has respectable turn performance also soars easily racked around steeply- banked small-diameter turns fun comes try land Oh boy idle can begin next county skim weed tops couple hundred feet until learn really bleed off speed afid slow up sink nearly impossible get 300-ft strip dont care 6 high Poor Doug planted wheel landing tried hold downthe tail upbut skim- med off ground effect epeating process two three times whbn Doug found thing higher far end ground-skimming en try know would have taken entire 560-ft strip Fredericksburg get slowed up enough taxi turn thing can brought like Pattern job case find hanging shop get home Only crazy man would guess L/D ratio Without big field really must hone slowing up skills beyond familiar cries spoilers Robbe now incorpo rating machine lists about $200 rich blood well worth Let tell Germans serious precise thorough almost hurts Theirs whole different ball game Lots mail about ready-to-fly ship thai went bananas time touched ailerons guy suggested semi-symmetrical airfoil maybe 136 Model Aviation POWR TOW / POWR ZOOM RETRIEVER
Edition: Model Aviation - 1984/10
Page Numbers: 12, 14, 16, 135, 136
ohn Preston First Safety Cdmes Preflight inspection plane can save LOTS em barrassment later RC pilots would well stay near enough other allow com munication coordination Power fliers would well use hearing pro tectors SOME time ago talked about im portance conducting preflight inspections models An incident witnessed just two days ago prompts mention sub ject again local RC clubs held Scale contest nearby full-scale aero drome served static judges Inorder start flying portion contest early possible Saturday static judging began Fri day afternoon scrutinizing someones pride joy accuracy outline heard extremely loud crunch unmistakably sound model ending its useful days contact terra firma Looking up treat ed sight wing lazily descending out blue postmortem discussion revealed owner shall nameless experienced builder flier brought 1A-scale Steen Skybolt powered Kawasaki engine con test use flight judge s warmer upper familiar term common practice have some fly modelwhich entered contestbefore first contestants flight flight judges normalize scoring Anyway cut long story short models owner finished chores preparing contest decided just enough time left before din ner enjoy flight Unfortunately haste failed insert pin re tains upper wing cabane After normal takeoff remarkable amount up-trim indicated well Skybolts owner elected return immediately landing determine cause trim change However stress fasteners between up per wing interplane struts proved design could handle upper wing parted company rest model point nose-up trim changed violent nose down trim could overcome full up-elevator 30-lb model struck ground such force entire engine buried crash uncomfortably close row hangars parked number classic biplanes incident pointed out im portance preflight checkparticular ly important model happens have complicated rigging has assem bled field few weeks ago received envelope mail Charlie Spear AMA District IV AVP Associate Vice-President envelope contained preflight check lists models printed card approx imately 6 x 9 inches laminated plastic durability note Charlie 0 / stated new member Winston-Salem RC Club receives two preflight cards work shop field box side card Maiden Flight Pre flight list other Routine Preflight list According June issue newsletter circulated District IV VP preflight inspection cards available Charlie about $100 Contact Charles Spear 253 Holly Lane Mocksville NC 27028 suggest drop Charlie note right away Staying subject errant models dropping out sky following ap peared April issue North Dallas RC Clubs newsletter edited Dan Rau David Williford credited author title Close En counter Closest Kind. Have ever hit air plane Have ever thought might get hit model runway truth anybody has flown RC has probably daylight scared out him least once As result us probably us think impor Continued page 14 / TI-lINK WE FOUND ThAT LITTlE BUZ7 IN YOLA EA odel Aviation High film strength lubricant increased power long engine life Detergents cut performance robbing varnish Highest quality ingredients insure top engine performance reliability Gal PriceDrum Price Type Nitro % LubricantFreight PaidFreight-Collect FAI00/0Synthetic$ 675$13995 5550/0Synthetic$ 775$21995 Sc5%Castor$ 775$21995 4 cyl7%Castor$ 850$28995 lOs10%Synthetic$ 895$32995 lOc10%Castor$ 895$32995 RIG120/oSyn & Castor$ 995$34995 iSs15%Synthetic$ 995$34995 20c20%Castor$1395$51995 25s25%Synthetic$1495$52995 4040%iSSyn-SCastor$1995$72995 5050%Synthetic$2395$89595 6060%Synthetic$2695$99595 contIguous US EXCEPT 54 GAL DRUMS MINIMUM ORDER 4 Gal Asst OK DISCOUNTS 24 63 Gal Deduct 5% Asstd OK 64 Gal Orders Deduct 100/0 Asstd OK SHELDONS Hours HOBBY SHOP Mon Wed Fri & Sat 3157 Alum Rock Avenue 530 San Jose California 95127 Thur 9 30-900 M/C VISASun 1200-500 UPS COD $165408 2514787 tance safety Lets see can pick out what went wrong following close encounter Tuesday March 20 Mes quite field rained hard morn ing sun broken out clouds wind blowing lightly crosswind over runway middle second flight stand ing just off runway center left three-quarters way down another gentleman also flying Another fellow set plane engine running runway threequarters way end run way right wind began pick up checked controls ran up engine idled back down glanced over just before ready take off noticed composing him self opened throttle lowwing tail-dragger much horror watched plane roll down runway little lift off right wing high wind caught wing increas ing left bank gaining much altitude air plane headed straight towards fellow left plane missed him inch es taking last fourth transmitter antenna wing impact knocked transmitter ground Stunned knowing what hit him groped fallen transmitter time picked up plane crashed 10 feet behind frequency flag fall en antenna waving proudly wing first plane banked headed like deranged kamakaze pilot flew wildly right past landing downwind lost sight plane once middle excitement managed stay control long enough make final approach landing did plane come close two other pilots After talking pilot kamakaze plane found some answers 1 plane out trim 2 bad crosswind plane took off downwind crosswind 3 Probably important fact three pilots made no attempt stand together too far apart Fliers need stand together conclusion now understand club has defined pilot area Warren Field needed Mes quite help keep pilots flying either end playing chicken Getting hit plane would no fun used agree David author account now Im sure RC pilots should close together flying appears some RC frequencies transmitted two closely-spaced antennas can produce harmonic whatever can shoot down flier third frequency Ap Continued page 16 14 Model Aviation World War isnt Quite Over Yet EINDECKER E-III 34 Channel R/C Systems$3995 Balsa Construction add $2 postage/handirna T6 15TEXb4N11I SNJ 55 Wingspan / 35 45 Engines 101 WIng 2 $04 Cu Enginna GIANT R/C SCALE Moran SAULNIER N * Banotfotty Moldad Fibasgia Fosoingo1S00 Sq AmaBeaat yeas prodoct ts 01 0 d fasot tao YOaRe * 0tallMoIdd Trannpornn Canopythe rogged coost oct se ft thed e Cut parts Both have * Coggad Fibargia Moldad Engin Cowting Coerpete KL $27500a histoty contest sues Easy Ootd sayerS rt tight * Plywood Ftmnwalt Hardosamo Innindadpbs $1000 shippog & OandlrngPlease add $2 postage/handling * Formad V din Landing Gao Lags y cocoon retuededl * Rallad Plan Intoetion reudeets ada aler Inquiries Now Invited $4395 a..s- VIJLTMATEFI Voltmaster very precisely measures transmitter receiver battery voltage under load determine whether battery reaching discharged state Green yellow red scales Indicate go-caution-no go situation Unique features include four voltage ranges including 12V starter batteries Load Engage switch monitor recovery rate cells important parameter deter mining cell condition plus Load Status switch two different loads 200 ma 500 ma can engaged large packs . 1200 mah up . can mon itored validity Less connectors 26K18Voltmaster Kit 26K18CVoitmaster Assembled $2495 $2995 AE E/ Irnj 16 Model Aviation parently does happen trans mitters spaced sufficiently far apart Im qualified give advice phenomenon will contact George M Myers writer MAs column Radio Technique seek advice Certain ly sake safety shouldnt fliers stationed simultaneously op posite ends active runway last account runaway model comes newsletter Flightmasters Model Airplane Club edited Joe Jamell Jr Joe following say under banner Safety Dept Did ever see RC pilot standing astride model running up engine restraining legs against stabilizer no-no recently watched 60-powered Ugly Stick part company its stab bolt through pit area damage several other models before coming rest feet Scratch Ugly Stick add few disgruntled fliers No hurt fortunately story think have say also fortunate stab came off did Seems models stabilizer cannot withstand force generated thrust its own engine isnt airworthy Perhaps other Ugly Stick owners should check security stabilizer choice different glues available use different joints must make course building model could long subject itself Perhaps Ill try future safety column however seems word caution order concern ing simultaneous use adhesive single joint received let ter month Ron Grosbach Enders NE Ron has building models life RC models occupying time over last five six years rather alarming experience relates follows Id like report something happened basement shop few evenings ago gluing short balsa strips wing fill some gaps using some old cyanoacrylate glue gave couple squirts accelerator hurry up drying first time ever used accelerator smell did bother some gaps along side balsa strip minute applied some Ambroid liquid cement seal balsa strip place rubbed finger Almost immediately hit sensation about pass out dont remember smell except Ambroid got back workbench few minutes later left room Later evening felt nauseated next day did feel quite right Continued page 135 N Send $200 complete catalog Ace items available dealer must order direct add $100 handling fee POEOXI11EHIGGINSVILLEMO64037 816484-71211 Letters Editor Continued page 10 pass atong tnans jam i.nipley real conversation piece wherever flies took Toms advice installed TD 051 after two flights 049 already Also give wing negative incidence -in shim trim out Tom Hayden Age 15 E Liverpool OH Glad successful Tom Lazy Duck does have very forgiving flight qualities foam-core structures go together easily quickly SafetylPreson Continued page 16 mild headache mild urinary irritation pounding sensation chest times Today feel better still have headache What effect does use combina tion glues produce Since work some chemists deal toxicity products part jobs consulted about Rons experience unable provide answer readers have solution Id sure appreciate letter Meanwhile perhaps should stay away combination glues Ron used AMA District X VP Jim Scarborough has sent contributions material col umn number occasions latest two newspaper clippings report death model Sailplane flier lived just couple miles Jims home California clipping reads follows Model Glider Flier Plunges Death Rancho PV 58-year-old Torrance man plunged 400 feet down cliff death about 430 pm Sunday maneuvering radio-controlled model glider Rancho Palos Verdes Los Angeles County Emergency Services Detail called recover body man mans body found base dllff seaward end Crenshaw Boulevard Portuguese Bend section Now Kit Form Save easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios \ Free servo reversing Hobby Lobby radios included service work FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled dr easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos AH battery pack 600mAH ft 1200mAH extra Expandable Palos Verdes peninsula Investigators theorize lost footing watching model glider sailing air currents coming off ocean below other newspaper reported death stated RC pilot re portedly lost footing fell gully trying reach glider after landed down hillside can add warning Slope Soarers care ful both actually flyingtheir models during retrieval operations should land down steep slope Apparently victim incident member AMA TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight character tistics Its predecessors Especially recommended sportsman ad vanced pattern also good choice turn-around pattern Plans construction hints WELLER 3 BLADE PROP very stiff molded fiberglas propellor England Its efficient design atlows substantial reduction noise level actually improving per formance $2000 NEW NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Light strong Low-profile seiflocking 3116 width wont cut silicone couplers Pkg 4 clamps -$295 $11995 wIth large lInear servos $12995 wIth small rotary servos Seed 1St let cemplets cetalsi 509 487-2122 Hear hear have previously mentioned noise generated two-stroke model airplane engines cautioned modelers aware excessive exposure loud noises can cause auditory impair ment hearing loss However until let ter Ed Guzick arrived mail box able provide firsthand account positively il lustrates should protect ears screaming banshees mount front creations Ed following say Ever hear tinnitus dictionary defines sound ears such buzzing ringing whistling caused NEW WING TUBE & SOCKETS Sleeve Puller $795 Bearing Puller $695 NEW 1 dia aluminum alloy tubing plug-In wings Included pair special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long $8g5Iaet ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily damage cone cone expanding brass ring grips sleeve bearing 10 new 60s 17MM rear bearing *Speclal* Bolh $1395 See Dealer Order Direct Include 75 Per Item UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 October1984 135 Full Command Systems 908 E Rosewood Spokane WA 99208 SAILPLANE LAUNCH EQUIPMENT FOR EVERY FIELD S PORTWINCH $2250 * ery tnc1ed $300 QP * ery inc1~sd $350Q9 * $250 qp * * plus shipping source QUIET FLIGHT supplies hi-starts electric motors& reducers bat te r ies pa rachutes tow line drums accessories braided nylon line selected kitsthe PROPHET sailplane kit VISA MASTERCARD hdflDAVEY Pint SYSTEMS U CORPORATION ONE WOOD LANEMALVERNPA19355 215644-06926772 Write call information defect auditory nerve doctor tells no cure exists nct sure exact cause does occur accumulative effects loud noise what goes wrong subject theory seems us prone damage some susceptible others After being around loud noise such skeet shootjng flying models would hear slight buzz later ing would gone morning. warning did realize time day flying field stood next 60 engine poor muffler siarted developed very loud buzzonly time would go away wa about 10 years ago still suffer problem way time Ive seen person using hearing protetors started engine unfortunate must learn mistakes hard way have consulted three doctors two audiologists tried hearing aids audio maskers contacted tin nitus center bottom line hearing down about 90 dB 4 kHz am told will get used However after 10 years sed would suggest especially younger hobbyist buy best hearing protectors can find wish someone given advice followed can add Eds letter say yoji have warned Perhaps big crease popularity four-stroke engines will save some flying sites also some modelers hearing too Have safe month John Preston 1223S Tilden wood Dr Rockvile MD 208S2 FunlWlnter Continued paqe 28 Virginia strips always seem east-west bdrdered nearby south woods patriotic wind course almost always out south fly high can stop shaking low rows scow through turbulent Niagara Falls Miraculously nothing rekitted models really fly didnt seem windy enough make Dave Brown switch model railroads dont want remember what saw want remember ihe Roibe SF 36 motor glider Voila must put hold specs Span 11811 fuselage 5315 area 103844 sq weight 12345 oz power 19 40 two-stroke 29 40 four-stroke air foil Wortman FX 126 1 suppose relatively few us have thrill seeing incredible catalogs Robbe Graupner other continental firms fullcolorsiniply stunning photosthan find National Geographic Few national magazines good Productsplanes boats elec tics accessoriesare painstakingly engineered f6r have terrible time equating German scale things possible pay $600 Sailplane kit Graupner know Kavan scale Continental engine can cost $1600 Remarkable kits worth such money same reasons will never own did Id never dare expose dusty field precarious skills products notable Electric things dont dream competitively priced kits must saidthaf need ask price cant afford Yet bigger German firms business millions Small towns may have two three shops am told fellow fliers have visited stock depth cant ask anything dont have Thanks Doug Pratt spent enthralled afternoon observing remark able Robbe SF 36 poor pictures dont justice least youll know what looks like day using Enya 40 four-cycle now replaced new Enya 45 four-stroker turns Master Airscrew 10-7 12000 rpm Wing panels plug everything engaged except quickly-removable canopy gives access attaching aileron devises bird onboard starter also Robbe weighs 7 lb its size weight vs power climbed well Cruising did fly like motor glider has respectable turn performance also soars easily racked around steeply- banked small-diameter turns fun comes try land Oh boy idle can begin next county skim weed tops couple hundred feet until learn really bleed off speed afid slow up sink nearly impossible get 300-ft strip dont care 6 high Poor Doug planted wheel landing tried hold downthe tail upbut skim- med off ground effect epeating process two three times whbn Doug found thing higher far end ground-skimming en try know would have taken entire 560-ft strip Fredericksburg get slowed up enough taxi turn thing can brought like Pattern job case find hanging shop get home Only crazy man would guess L/D ratio Without big field really must hone slowing up skills beyond familiar cries spoilers Robbe now incorpo rating machine lists about $200 rich blood well worth Let tell Germans serious precise thorough almost hurts Theirs whole different ball game Lots mail about ready-to-fly ship thai went bananas time touched ailerons guy suggested semi-symmetrical airfoil maybe 136 Model Aviation POWR TOW / POWR ZOOM RETRIEVER
Edition: Model Aviation - 1984/10
Page Numbers: 12, 14, 16, 135, 136
ohn Preston First Safety Cdmes Preflight inspection plane can save LOTS em barrassment later RC pilots would well stay near enough other allow com munication coordination Power fliers would well use hearing pro tectors SOME time ago talked about im portance conducting preflight inspections models An incident witnessed just two days ago prompts mention sub ject again local RC clubs held Scale contest nearby full-scale aero drome served static judges Inorder start flying portion contest early possible Saturday static judging began Fri day afternoon scrutinizing someones pride joy accuracy outline heard extremely loud crunch unmistakably sound model ending its useful days contact terra firma Looking up treat ed sight wing lazily descending out blue postmortem discussion revealed owner shall nameless experienced builder flier brought 1A-scale Steen Skybolt powered Kawasaki engine con test use flight judge s warmer upper familiar term common practice have some fly modelwhich entered contestbefore first contestants flight flight judges normalize scoring Anyway cut long story short models owner finished chores preparing contest decided just enough time left before din ner enjoy flight Unfortunately haste failed insert pin re tains upper wing cabane After normal takeoff remarkable amount up-trim indicated well Skybolts owner elected return immediately landing determine cause trim change However stress fasteners between up per wing interplane struts proved design could handle upper wing parted company rest model point nose-up trim changed violent nose down trim could overcome full up-elevator 30-lb model struck ground such force entire engine buried crash uncomfortably close row hangars parked number classic biplanes incident pointed out im portance preflight checkparticular ly important model happens have complicated rigging has assem bled field few weeks ago received envelope mail Charlie Spear AMA District IV AVP Associate Vice-President envelope contained preflight check lists models printed card approx imately 6 x 9 inches laminated plastic durability note Charlie 0 / stated new member Winston-Salem RC Club receives two preflight cards work shop field box side card Maiden Flight Pre flight list other Routine Preflight list According June issue newsletter circulated District IV VP preflight inspection cards available Charlie about $100 Contact Charles Spear 253 Holly Lane Mocksville NC 27028 suggest drop Charlie note right away Staying subject errant models dropping out sky following ap peared April issue North Dallas RC Clubs newsletter edited Dan Rau David Williford credited author title Close En counter Closest Kind. Have ever hit air plane Have ever thought might get hit model runway truth anybody has flown RC has probably daylight scared out him least once As result us probably us think impor Continued page 14 / TI-lINK WE FOUND ThAT LITTlE BUZ7 IN YOLA EA odel Aviation High film strength lubricant increased power long engine life Detergents cut performance robbing varnish Highest quality ingredients insure top engine performance reliability Gal PriceDrum Price Type Nitro % LubricantFreight PaidFreight-Collect FAI00/0Synthetic$ 675$13995 5550/0Synthetic$ 775$21995 Sc5%Castor$ 775$21995 4 cyl7%Castor$ 850$28995 lOs10%Synthetic$ 895$32995 lOc10%Castor$ 895$32995 RIG120/oSyn & Castor$ 995$34995 iSs15%Synthetic$ 995$34995 20c20%Castor$1395$51995 25s25%Synthetic$1495$52995 4040%iSSyn-SCastor$1995$72995 5050%Synthetic$2395$89595 6060%Synthetic$2695$99595 contIguous US EXCEPT 54 GAL DRUMS MINIMUM ORDER 4 Gal Asst OK DISCOUNTS 24 63 Gal Deduct 5% Asstd OK 64 Gal Orders Deduct 100/0 Asstd OK SHELDONS Hours HOBBY SHOP Mon Wed Fri & Sat 3157 Alum Rock Avenue 530 San Jose California 95127 Thur 9 30-900 M/C VISASun 1200-500 UPS COD $165408 2514787 tance safety Lets see can pick out what went wrong following close encounter Tuesday March 20 Mes quite field rained hard morn ing sun broken out clouds wind blowing lightly crosswind over runway middle second flight stand ing just off runway center left three-quarters way down another gentleman also flying Another fellow set plane engine running runway threequarters way end run way right wind began pick up checked controls ran up engine idled back down glanced over just before ready take off noticed composing him self opened throttle lowwing tail-dragger much horror watched plane roll down runway little lift off right wing high wind caught wing increas ing left bank gaining much altitude air plane headed straight towards fellow left plane missed him inch es taking last fourth transmitter antenna wing impact knocked transmitter ground Stunned knowing what hit him groped fallen transmitter time picked up plane crashed 10 feet behind frequency flag fall en antenna waving proudly wing first plane banked headed like deranged kamakaze pilot flew wildly right past landing downwind lost sight plane once middle excitement managed stay control long enough make final approach landing did plane come close two other pilots After talking pilot kamakaze plane found some answers 1 plane out trim 2 bad crosswind plane took off downwind crosswind 3 Probably important fact three pilots made no attempt stand together too far apart Fliers need stand together conclusion now understand club has defined pilot area Warren Field needed Mes quite help keep pilots flying either end playing chicken Getting hit plane would no fun used agree David author account now Im sure RC pilots should close together flying appears some RC frequencies transmitted two closely-spaced antennas can produce harmonic whatever can shoot down flier third frequency Ap Continued page 16 14 Model Aviation World War isnt Quite Over Yet EINDECKER E-III 34 Channel R/C Systems$3995 Balsa Construction add $2 postage/handirna T6 15TEXb4N11I SNJ 55 Wingspan / 35 45 Engines 101 WIng 2 $04 Cu Enginna GIANT R/C SCALE Moran SAULNIER N * Banotfotty Moldad Fibasgia Fosoingo1S00 Sq AmaBeaat yeas prodoct ts 01 0 d fasot tao YOaRe * 0tallMoIdd Trannpornn Canopythe rogged coost oct se ft thed e Cut parts Both have * Coggad Fibargia Moldad Engin Cowting Coerpete KL $27500a histoty contest sues Easy Ootd sayerS rt tight * Plywood Ftmnwalt Hardosamo Innindadpbs $1000 shippog & OandlrngPlease add $2 postage/handling * Formad V din Landing Gao Lags y cocoon retuededl * Rallad Plan Intoetion reudeets ada aler Inquiries Now Invited $4395 a..s- VIJLTMATEFI Voltmaster very precisely measures transmitter receiver battery voltage under load determine whether battery reaching discharged state Green yellow red scales Indicate go-caution-no go situation Unique features include four voltage ranges including 12V starter batteries Load Engage switch monitor recovery rate cells important parameter deter mining cell condition plus Load Status switch two different loads 200 ma 500 ma can engaged large packs . 1200 mah up . can mon itored validity Less connectors 26K18Voltmaster Kit 26K18CVoitmaster Assembled $2495 $2995 AE E/ Irnj 16 Model Aviation parently does happen trans mitters spaced sufficiently far apart Im qualified give advice phenomenon will contact George M Myers writer MAs column Radio Technique seek advice Certain ly sake safety shouldnt fliers stationed simultaneously op posite ends active runway last account runaway model comes newsletter Flightmasters Model Airplane Club edited Joe Jamell Jr Joe following say under banner Safety Dept Did ever see RC pilot standing astride model running up engine restraining legs against stabilizer no-no recently watched 60-powered Ugly Stick part company its stab bolt through pit area damage several other models before coming rest feet Scratch Ugly Stick add few disgruntled fliers No hurt fortunately story think have say also fortunate stab came off did Seems models stabilizer cannot withstand force generated thrust its own engine isnt airworthy Perhaps other Ugly Stick owners should check security stabilizer choice different glues available use different joints must make course building model could long subject itself Perhaps Ill try future safety column however seems word caution order concern ing simultaneous use adhesive single joint received let ter month Ron Grosbach Enders NE Ron has building models life RC models occupying time over last five six years rather alarming experience relates follows Id like report something happened basement shop few evenings ago gluing short balsa strips wing fill some gaps using some old cyanoacrylate glue gave couple squirts accelerator hurry up drying first time ever used accelerator smell did bother some gaps along side balsa strip minute applied some Ambroid liquid cement seal balsa strip place rubbed finger Almost immediately hit sensation about pass out dont remember smell except Ambroid got back workbench few minutes later left room Later evening felt nauseated next day did feel quite right Continued page 135 N Send $200 complete catalog Ace items available dealer must order direct add $100 handling fee POEOXI11EHIGGINSVILLEMO64037 816484-71211 Letters Editor Continued page 10 pass atong tnans jam i.nipley real conversation piece wherever flies took Toms advice installed TD 051 after two flights 049 already Also give wing negative incidence -in shim trim out Tom Hayden Age 15 E Liverpool OH Glad successful Tom Lazy Duck does have very forgiving flight qualities foam-core structures go together easily quickly SafetylPreson Continued page 16 mild headache mild urinary irritation pounding sensation chest times Today feel better still have headache What effect does use combina tion glues produce Since work some chemists deal toxicity products part jobs consulted about Rons experience unable provide answer readers have solution Id sure appreciate letter Meanwhile perhaps should stay away combination glues Ron used AMA District X VP Jim Scarborough has sent contributions material col umn number occasions latest two newspaper clippings report death model Sailplane flier lived just couple miles Jims home California clipping reads follows Model Glider Flier Plunges Death Rancho PV 58-year-old Torrance man plunged 400 feet down cliff death about 430 pm Sunday maneuvering radio-controlled model glider Rancho Palos Verdes Los Angeles County Emergency Services Detail called recover body man mans body found base dllff seaward end Crenshaw Boulevard Portuguese Bend section Now Kit Form Save easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios \ Free servo reversing Hobby Lobby radios included service work FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled dr easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos AH battery pack 600mAH ft 1200mAH extra Expandable Palos Verdes peninsula Investigators theorize lost footing watching model glider sailing air currents coming off ocean below other newspaper reported death stated RC pilot re portedly lost footing fell gully trying reach glider after landed down hillside can add warning Slope Soarers care ful both actually flyingtheir models during retrieval operations should land down steep slope Apparently victim incident member AMA TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight character tistics Its predecessors Especially recommended sportsman ad vanced pattern also good choice turn-around pattern Plans construction hints WELLER 3 BLADE PROP very stiff molded fiberglas propellor England Its efficient design atlows substantial reduction noise level actually improving per formance $2000 NEW NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Light strong Low-profile seiflocking 3116 width wont cut silicone couplers Pkg 4 clamps -$295 $11995 wIth large lInear servos $12995 wIth small rotary servos Seed 1St let cemplets cetalsi 509 487-2122 Hear hear have previously mentioned noise generated two-stroke model airplane engines cautioned modelers aware excessive exposure loud noises can cause auditory impair ment hearing loss However until let ter Ed Guzick arrived mail box able provide firsthand account positively il lustrates should protect ears screaming banshees mount front creations Ed following say Ever hear tinnitus dictionary defines sound ears such buzzing ringing whistling caused NEW WING TUBE & SOCKETS Sleeve Puller $795 Bearing Puller $695 NEW 1 dia aluminum alloy tubing plug-In wings Included pair special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long $8g5Iaet ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily damage cone cone expanding brass ring grips sleeve bearing 10 new 60s 17MM rear bearing *Speclal* Bolh $1395 See Dealer Order Direct Include 75 Per Item UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 October1984 135 Full Command Systems 908 E Rosewood Spokane WA 99208 SAILPLANE LAUNCH EQUIPMENT FOR EVERY FIELD S PORTWINCH $2250 * ery tnc1ed $300 QP * ery inc1~sd $350Q9 * $250 qp * * plus shipping source QUIET FLIGHT supplies hi-starts electric motors& reducers bat te r ies pa rachutes tow line drums accessories braided nylon line selected kitsthe PROPHET sailplane kit VISA MASTERCARD hdflDAVEY Pint SYSTEMS U CORPORATION ONE WOOD LANEMALVERNPA19355 215644-06926772 Write call information defect auditory nerve doctor tells no cure exists nct sure exact cause does occur accumulative effects loud noise what goes wrong subject theory seems us prone damage some susceptible others After being around loud noise such skeet shootjng flying models would hear slight buzz later ing would gone morning. warning did realize time day flying field stood next 60 engine poor muffler siarted developed very loud buzzonly time would go away wa about 10 years ago still suffer problem way time Ive seen person using hearing protetors started engine unfortunate must learn mistakes hard way have consulted three doctors two audiologists tried hearing aids audio maskers contacted tin nitus center bottom line hearing down about 90 dB 4 kHz am told will get used However after 10 years sed would suggest especially younger hobbyist buy best hearing protectors can find wish someone given advice followed can add Eds letter say yoji have warned Perhaps big crease popularity four-stroke engines will save some flying sites also some modelers hearing too Have safe month John Preston 1223S Tilden wood Dr Rockvile MD 208S2 FunlWlnter Continued paqe 28 Virginia strips always seem east-west bdrdered nearby south woods patriotic wind course almost always out south fly high can stop shaking low rows scow through turbulent Niagara Falls Miraculously nothing rekitted models really fly didnt seem windy enough make Dave Brown switch model railroads dont want remember what saw want remember ihe Roibe SF 36 motor glider Voila must put hold specs Span 11811 fuselage 5315 area 103844 sq weight 12345 oz power 19 40 two-stroke 29 40 four-stroke air foil Wortman FX 126 1 suppose relatively few us have thrill seeing incredible catalogs Robbe Graupner other continental firms fullcolorsiniply stunning photosthan find National Geographic Few national magazines good Productsplanes boats elec tics accessoriesare painstakingly engineered f6r have terrible time equating German scale things possible pay $600 Sailplane kit Graupner know Kavan scale Continental engine can cost $1600 Remarkable kits worth such money same reasons will never own did Id never dare expose dusty field precarious skills products notable Electric things dont dream competitively priced kits must saidthaf need ask price cant afford Yet bigger German firms business millions Small towns may have two three shops am told fellow fliers have visited stock depth cant ask anything dont have Thanks Doug Pratt spent enthralled afternoon observing remark able Robbe SF 36 poor pictures dont justice least youll know what looks like day using Enya 40 four-cycle now replaced new Enya 45 four-stroker turns Master Airscrew 10-7 12000 rpm Wing panels plug everything engaged except quickly-removable canopy gives access attaching aileron devises bird onboard starter also Robbe weighs 7 lb its size weight vs power climbed well Cruising did fly like motor glider has respectable turn performance also soars easily racked around steeply- banked small-diameter turns fun comes try land Oh boy idle can begin next county skim weed tops couple hundred feet until learn really bleed off speed afid slow up sink nearly impossible get 300-ft strip dont care 6 high Poor Doug planted wheel landing tried hold downthe tail upbut skim- med off ground effect epeating process two three times whbn Doug found thing higher far end ground-skimming en try know would have taken entire 560-ft strip Fredericksburg get slowed up enough taxi turn thing can brought like Pattern job case find hanging shop get home Only crazy man would guess L/D ratio Without big field really must hone slowing up skills beyond familiar cries spoilers Robbe now incorpo rating machine lists about $200 rich blood well worth Let tell Germans serious precise thorough almost hurts Theirs whole different ball game Lots mail about ready-to-fly ship thai went bananas time touched ailerons guy suggested semi-symmetrical airfoil maybe 136 Model Aviation POWR TOW / POWR ZOOM RETRIEVER
Edition: Model Aviation - 1984/10
Page Numbers: 12, 14, 16, 135, 136
ohn Preston First Safety Cdmes Preflight inspection plane can save LOTS em barrassment later RC pilots would well stay near enough other allow com munication coordination Power fliers would well use hearing pro tectors SOME time ago talked about im portance conducting preflight inspections models An incident witnessed just two days ago prompts mention sub ject again local RC clubs held Scale contest nearby full-scale aero drome served static judges Inorder start flying portion contest early possible Saturday static judging began Fri day afternoon scrutinizing someones pride joy accuracy outline heard extremely loud crunch unmistakably sound model ending its useful days contact terra firma Looking up treat ed sight wing lazily descending out blue postmortem discussion revealed owner shall nameless experienced builder flier brought 1A-scale Steen Skybolt powered Kawasaki engine con test use flight judge s warmer upper familiar term common practice have some fly modelwhich entered contestbefore first contestants flight flight judges normalize scoring Anyway cut long story short models owner finished chores preparing contest decided just enough time left before din ner enjoy flight Unfortunately haste failed insert pin re tains upper wing cabane After normal takeoff remarkable amount up-trim indicated well Skybolts owner elected return immediately landing determine cause trim change However stress fasteners between up per wing interplane struts proved design could handle upper wing parted company rest model point nose-up trim changed violent nose down trim could overcome full up-elevator 30-lb model struck ground such force entire engine buried crash uncomfortably close row hangars parked number classic biplanes incident pointed out im portance preflight checkparticular ly important model happens have complicated rigging has assem bled field few weeks ago received envelope mail Charlie Spear AMA District IV AVP Associate Vice-President envelope contained preflight check lists models printed card approx imately 6 x 9 inches laminated plastic durability note Charlie 0 / stated new member Winston-Salem RC Club receives two preflight cards work shop field box side card Maiden Flight Pre flight list other Routine Preflight list According June issue newsletter circulated District IV VP preflight inspection cards available Charlie about $100 Contact Charles Spear 253 Holly Lane Mocksville NC 27028 suggest drop Charlie note right away Staying subject errant models dropping out sky following ap peared April issue North Dallas RC Clubs newsletter edited Dan Rau David Williford credited author title Close En counter Closest Kind. Have ever hit air plane Have ever thought might get hit model runway truth anybody has flown RC has probably daylight scared out him least once As result us probably us think impor Continued page 14 / TI-lINK WE FOUND ThAT LITTlE BUZ7 IN YOLA EA odel Aviation High film strength lubricant increased power long engine life Detergents cut performance robbing varnish Highest quality ingredients insure top engine performance reliability Gal PriceDrum Price Type Nitro % LubricantFreight PaidFreight-Collect FAI00/0Synthetic$ 675$13995 5550/0Synthetic$ 775$21995 Sc5%Castor$ 775$21995 4 cyl7%Castor$ 850$28995 lOs10%Synthetic$ 895$32995 lOc10%Castor$ 895$32995 RIG120/oSyn & Castor$ 995$34995 iSs15%Synthetic$ 995$34995 20c20%Castor$1395$51995 25s25%Synthetic$1495$52995 4040%iSSyn-SCastor$1995$72995 5050%Synthetic$2395$89595 6060%Synthetic$2695$99595 contIguous US EXCEPT 54 GAL DRUMS MINIMUM ORDER 4 Gal Asst OK DISCOUNTS 24 63 Gal Deduct 5% Asstd OK 64 Gal Orders Deduct 100/0 Asstd OK SHELDONS Hours HOBBY SHOP Mon Wed Fri & Sat 3157 Alum Rock Avenue 530 San Jose California 95127 Thur 9 30-900 M/C VISASun 1200-500 UPS COD $165408 2514787 tance safety Lets see can pick out what went wrong following close encounter Tuesday March 20 Mes quite field rained hard morn ing sun broken out clouds wind blowing lightly crosswind over runway middle second flight stand ing just off runway center left three-quarters way down another gentleman also flying Another fellow set plane engine running runway threequarters way end run way right wind began pick up checked controls ran up engine idled back down glanced over just before ready take off noticed composing him self opened throttle lowwing tail-dragger much horror watched plane roll down runway little lift off right wing high wind caught wing increas ing left bank gaining much altitude air plane headed straight towards fellow left plane missed him inch es taking last fourth transmitter antenna wing impact knocked transmitter ground Stunned knowing what hit him groped fallen transmitter time picked up plane crashed 10 feet behind frequency flag fall en antenna waving proudly wing first plane banked headed like deranged kamakaze pilot flew wildly right past landing downwind lost sight plane once middle excitement managed stay control long enough make final approach landing did plane come close two other pilots After talking pilot kamakaze plane found some answers 1 plane out trim 2 bad crosswind plane took off downwind crosswind 3 Probably important fact three pilots made no attempt stand together too far apart Fliers need stand together conclusion now understand club has defined pilot area Warren Field needed Mes quite help keep pilots flying either end playing chicken Getting hit plane would no fun used agree David author account now Im sure RC pilots should close together flying appears some RC frequencies transmitted two closely-spaced antennas can produce harmonic whatever can shoot down flier third frequency Ap Continued page 16 14 Model Aviation World War isnt Quite Over Yet EINDECKER E-III 34 Channel R/C Systems$3995 Balsa Construction add $2 postage/handirna T6 15TEXb4N11I SNJ 55 Wingspan / 35 45 Engines 101 WIng 2 $04 Cu Enginna GIANT R/C SCALE Moran SAULNIER N * Banotfotty Moldad Fibasgia Fosoingo1S00 Sq AmaBeaat yeas prodoct ts 01 0 d fasot tao YOaRe * 0tallMoIdd Trannpornn Canopythe rogged coost oct se ft thed e Cut parts Both have * Coggad Fibargia Moldad Engin Cowting Coerpete KL $27500a histoty contest sues Easy Ootd sayerS rt tight * Plywood Ftmnwalt Hardosamo Innindadpbs $1000 shippog & OandlrngPlease add $2 postage/handling * Formad V din Landing Gao Lags y cocoon retuededl * Rallad Plan Intoetion reudeets ada aler Inquiries Now Invited $4395 a..s- VIJLTMATEFI Voltmaster very precisely measures transmitter receiver battery voltage under load determine whether battery reaching discharged state Green yellow red scales Indicate go-caution-no go situation Unique features include four voltage ranges including 12V starter batteries Load Engage switch monitor recovery rate cells important parameter deter mining cell condition plus Load Status switch two different loads 200 ma 500 ma can engaged large packs . 1200 mah up . can mon itored validity Less connectors 26K18Voltmaster Kit 26K18CVoitmaster Assembled $2495 $2995 AE E/ Irnj 16 Model Aviation parently does happen trans mitters spaced sufficiently far apart Im qualified give advice phenomenon will contact George M Myers writer MAs column Radio Technique seek advice Certain ly sake safety shouldnt fliers stationed simultaneously op posite ends active runway last account runaway model comes newsletter Flightmasters Model Airplane Club edited Joe Jamell Jr Joe following say under banner Safety Dept Did ever see RC pilot standing astride model running up engine restraining legs against stabilizer no-no recently watched 60-powered Ugly Stick part company its stab bolt through pit area damage several other models before coming rest feet Scratch Ugly Stick add few disgruntled fliers No hurt fortunately story think have say also fortunate stab came off did Seems models stabilizer cannot withstand force generated thrust its own engine isnt airworthy Perhaps other Ugly Stick owners should check security stabilizer choice different glues available use different joints must make course building model could long subject itself Perhaps Ill try future safety column however seems word caution order concern ing simultaneous use adhesive single joint received let ter month Ron Grosbach Enders NE Ron has building models life RC models occupying time over last five six years rather alarming experience relates follows Id like report something happened basement shop few evenings ago gluing short balsa strips wing fill some gaps using some old cyanoacrylate glue gave couple squirts accelerator hurry up drying first time ever used accelerator smell did bother some gaps along side balsa strip minute applied some Ambroid liquid cement seal balsa strip place rubbed finger Almost immediately hit sensation about pass out dont remember smell except Ambroid got back workbench few minutes later left room Later evening felt nauseated next day did feel quite right Continued page 135 N Send $200 complete catalog Ace items available dealer must order direct add $100 handling fee POEOXI11EHIGGINSVILLEMO64037 816484-71211 Letters Editor Continued page 10 pass atong tnans jam i.nipley real conversation piece wherever flies took Toms advice installed TD 051 after two flights 049 already Also give wing negative incidence -in shim trim out Tom Hayden Age 15 E Liverpool OH Glad successful Tom Lazy Duck does have very forgiving flight qualities foam-core structures go together easily quickly SafetylPreson Continued page 16 mild headache mild urinary irritation pounding sensation chest times Today feel better still have headache What effect does use combina tion glues produce Since work some chemists deal toxicity products part jobs consulted about Rons experience unable provide answer readers have solution Id sure appreciate letter Meanwhile perhaps should stay away combination glues Ron used AMA District X VP Jim Scarborough has sent contributions material col umn number occasions latest two newspaper clippings report death model Sailplane flier lived just couple miles Jims home California clipping reads follows Model Glider Flier Plunges Death Rancho PV 58-year-old Torrance man plunged 400 feet down cliff death about 430 pm Sunday maneuvering radio-controlled model glider Rancho Palos Verdes Los Angeles County Emergency Services Detail called recover body man mans body found base dllff seaward end Crenshaw Boulevard Portuguese Bend section Now Kit Form Save easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios \ Free servo reversing Hobby Lobby radios included service work FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled dr easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos AH battery pack 600mAH ft 1200mAH extra Expandable Palos Verdes peninsula Investigators theorize lost footing watching model glider sailing air currents coming off ocean below other newspaper reported death stated RC pilot re portedly lost footing fell gully trying reach glider after landed down hillside can add warning Slope Soarers care ful both actually flyingtheir models during retrieval operations should land down steep slope Apparently victim incident member AMA TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight character tistics Its predecessors Especially recommended sportsman ad vanced pattern also good choice turn-around pattern Plans construction hints WELLER 3 BLADE PROP very stiff molded fiberglas propellor England Its efficient design atlows substantial reduction noise level actually improving per formance $2000 NEW NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Light strong Low-profile seiflocking 3116 width wont cut silicone couplers Pkg 4 clamps -$295 $11995 wIth large lInear servos $12995 wIth small rotary servos Seed 1St let cemplets cetalsi 509 487-2122 Hear hear have previously mentioned noise generated two-stroke model airplane engines cautioned modelers aware excessive exposure loud noises can cause auditory impair ment hearing loss However until let ter Ed Guzick arrived mail box able provide firsthand account positively il lustrates should protect ears screaming banshees mount front creations Ed following say Ever hear tinnitus dictionary defines sound ears such buzzing ringing whistling caused NEW WING TUBE & SOCKETS Sleeve Puller $795 Bearing Puller $695 NEW 1 dia aluminum alloy tubing plug-In wings Included pair special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long $8g5Iaet ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily damage cone cone expanding brass ring grips sleeve bearing 10 new 60s 17MM rear bearing *Speclal* Bolh $1395 See Dealer Order Direct Include 75 Per Item UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 October1984 135 Full Command Systems 908 E Rosewood Spokane WA 99208 SAILPLANE LAUNCH EQUIPMENT FOR EVERY FIELD S PORTWINCH $2250 * ery tnc1ed $300 QP * ery inc1~sd $350Q9 * $250 qp * * plus shipping source QUIET FLIGHT supplies hi-starts electric motors& reducers bat te r ies pa rachutes tow line drums accessories braided nylon line selected kitsthe PROPHET sailplane kit VISA MASTERCARD hdflDAVEY Pint SYSTEMS U CORPORATION ONE WOOD LANEMALVERNPA19355 215644-06926772 Write call information defect auditory nerve doctor tells no cure exists nct sure exact cause does occur accumulative effects loud noise what goes wrong subject theory seems us prone damage some susceptible others After being around loud noise such skeet shootjng flying models would hear slight buzz later ing would gone morning. warning did realize time day flying field stood next 60 engine poor muffler siarted developed very loud buzzonly time would go away wa about 10 years ago still suffer problem way time Ive seen person using hearing protetors started engine unfortunate must learn mistakes hard way have consulted three doctors two audiologists tried hearing aids audio maskers contacted tin nitus center bottom line hearing down about 90 dB 4 kHz am told will get used However after 10 years sed would suggest especially younger hobbyist buy best hearing protectors can find wish someone given advice followed can add Eds letter say yoji have warned Perhaps big crease popularity four-stroke engines will save some flying sites also some modelers hearing too Have safe month John Preston 1223S Tilden wood Dr Rockvile MD 208S2 FunlWlnter Continued paqe 28 Virginia strips always seem east-west bdrdered nearby south woods patriotic wind course almost always out south fly high can stop shaking low rows scow through turbulent Niagara Falls Miraculously nothing rekitted models really fly didnt seem windy enough make Dave Brown switch model railroads dont want remember what saw want remember ihe Roibe SF 36 motor glider Voila must put hold specs Span 11811 fuselage 5315 area 103844 sq weight 12345 oz power 19 40 two-stroke 29 40 four-stroke air foil Wortman FX 126 1 suppose relatively few us have thrill seeing incredible catalogs Robbe Graupner other continental firms fullcolorsiniply stunning photosthan find National Geographic Few national magazines good Productsplanes boats elec tics accessoriesare painstakingly engineered f6r have terrible time equating German scale things possible pay $600 Sailplane kit Graupner know Kavan scale Continental engine can cost $1600 Remarkable kits worth such money same reasons will never own did Id never dare expose dusty field precarious skills products notable Electric things dont dream competitively priced kits must saidthaf need ask price cant afford Yet bigger German firms business millions Small towns may have two three shops am told fellow fliers have visited stock depth cant ask anything dont have Thanks Doug Pratt spent enthralled afternoon observing remark able Robbe SF 36 poor pictures dont justice least youll know what looks like day using Enya 40 four-cycle now replaced new Enya 45 four-stroker turns Master Airscrew 10-7 12000 rpm Wing panels plug everything engaged except quickly-removable canopy gives access attaching aileron devises bird onboard starter also Robbe weighs 7 lb its size weight vs power climbed well Cruising did fly like motor glider has respectable turn performance also soars easily racked around steeply- banked small-diameter turns fun comes try land Oh boy idle can begin next county skim weed tops couple hundred feet until learn really bleed off speed afid slow up sink nearly impossible get 300-ft strip dont care 6 high Poor Doug planted wheel landing tried hold downthe tail upbut skim- med off ground effect epeating process two three times whbn Doug found thing higher far end ground-skimming en try know would have taken entire 560-ft strip Fredericksburg get slowed up enough taxi turn thing can brought like Pattern job case find hanging shop get home Only crazy man would guess L/D ratio Without big field really must hone slowing up skills beyond familiar cries spoilers Robbe now incorpo rating machine lists about $200 rich blood well worth Let tell Germans serious precise thorough almost hurts Theirs whole different ball game Lots mail about ready-to-fly ship thai went bananas time touched ailerons guy suggested semi-symmetrical airfoil maybe 136 Model Aviation POWR TOW / POWR ZOOM RETRIEVER