I %AFLTY lb COMES FIRST RCers must watch out live action TV news teams operating nearbytheir trans mitters operate fre quencies adja centtothel2 MHz RC channels John Preston IT APPEARS got triple whammy safety December issue Model nation did have regular Safety Comes First column also section safety presidents column another safety item involving frequency conflict AMA News section wonderif some myster ious crashes RC Scale aircraft 1980 Nats perhaps result such radio frequency interference caused harmonics generated operation two transmitters shooting down model third differing frequency dissertation merits Safety Committee last months issue ignored members AMA Executive Council council meeting November 15th motion approved form special committee draft document will describe duties composition AMA Safety Committee Bill Mathews District V VP heading up special committee will assisted Pro fessor Arthur Sabin myself As said last months column thoughts subject welcome last months column also mentioned lawsuit result CL fliers electro cution death newspaper clipping concerning lawsuit sent us Arthur Ryan Farmington MI clipping Star nationally distributed tabloid carried headline MODEL PLANES RESPONSIBLE FOR 43 DEATHS went say following Model planes controlled wire lines have responsible least 43 electrocutions according prominent lawyer James B Denman Fort Lauderdale FL recently won $250000 widow son man killed model planes control line touched high tension power line told court Despite dangers manufacturers still refuse make simple design changes could save lives Denman preparing evidence present Consumer Product Safety Commission Anotherand lengthyaccount story appeared Product Safety & Liability Reporter weekly publication Burear National Affairs read latter article just few days after writing last months column wound up following statement Denman said will petition CPSC behalf widow recall hazardous control handlesat very least said has yet determined whether seek ban other components model airplanes best knowledge present date end November no petition has submitted CPSC However another part PSLR article stated James B Denman told PSLR will petition CPSC end year safety rule powered model airplanes equipped handles stainless steel control wires still have month go before end year couple months ago received list Dos Donts pertaining CL flying Larry Miles Misson KS Larry respond ing request such list made earlier column Larrys list will appear future column suggestions made totally different reason could solution electrocution problem said could would because like Larry dont know answer following Ive wondered about possibility using Aramid fibers tire companies presently use control lines tensile strength exceeds steel since single strand would still flexible seems would provide drag reduction also wrote couple manufacturers some time ago suggestion far have received no reply So dont know idea has merit readers work tire companies would like hear would guess Aramid fibers would too stretchy give positive control steel wires afford body knows non-conductive material might work control lines lets hear So much wire-controlled models Lets now change subject wireless control namely RC January 1981 Just Fun column Bill Winter made mention inter ference closing nearby flying site RC field country-owned parkland does have lake attractive RC boaters within mile However Ive no doubt occasionally have problems RC boats have feeling glitches originate non-RC transmissions around 72 MHz frequencies tend forget 72 MHz band solely used modelers other com mercial users some parts country render 72 MHz useless controlling model aircraft county park flying field located about five miles Western Union micro wave relay tower contains whole slew other communications antennas used com panies wishing communicate radio Washington DC area suspect some broadcasters may source interference subject interference RC operation brought attention letter AMA HQ Michael lee Luke Condors RC Club Copies letter have distributed several people including AMA Show Continued page 119 CK 4 gO GOOD HEAVENS MAN WHAT ARE YOU USING FOR CONTROL LINES BANDS ~ 60 Model Aviation 1018 13311 Beach Ave Venice CA 90291 SPORT TRAINER f fl GLIDERSOS MAX 61 FSR AUTHENTIC BLUEPRINTS TELLITE KITS[ Gerua WW II E 7 OLD TIME GAS$10800 delivered Add 6%Fighters send 25 5 RUBBER 3 NORDICRear Exhaust Same Price 1980 catalog 9 COMPETITION GAS Call 408-274-1915 EEE SCIkS S AEEC -EXACT SCALE FUEL DT TIMERS -$1075 RAC Products EEAEXAATIE Model Supply13200_Knightswood Wayscalecraft PO Box 4231 Whittier Cult 90511 San Jose CA 95148 Previous kit purchasers have informed changes Talk about personalized customer service mention just case . Georges Wakefield kit still afew months off seems necessary tooling coming along Despite its flat-bottom airfoil Wake isnt mediocre-performance beginners affair should stack up few percent below sophisticated designs despite its simple construction prototype has yet fail make first-round max George also peddles some crazy stuff like 5/32-in sheet 5/32-in sq strip balsa Pirelli rubber Japanese tissue orthodontic rubberbands fuse DTs 39 per package 75 prop kits fiberglass cloth teflon washers perhaps other stuff cant find locally Check him Champion Model Prod 880 Carmen Ct La Veme CA 91750 Send buck catalog refunded upon receipt order 1980 Heart Dixie HOD FF Chain pionships held October 4-5 1980 Bill Jenkins won first HOD high-point trophy narrowly nosing out another tough competitor also AMAs secretary-treasurer Jim McNeill George Mulvihill Perryman made usual fine showing firsts Coupe OT Rubber P-30 Jim Lewis back contest trail first A-i second Mulvihill fourths A-2 OT Rubber Jim Davidson also back fold still has winning ways first Peanut seconds Rubber Scale Gas Scale Junior high-point winner David Brown first P-30 second Rubber Supple fifth Rubber Scale Trophies awarded first second third place winner Also contestants received merchandise prize Bob Meuser 4200 Gregory St Oakland CA 94619 FF Sport-SCale/Warner Continued page 57 Society P0 Box 121 South Euclid OH 44121 has magnificent line -in scale drawings Prof WF Kerka bimonthly newsletter nostalgia packets official air race photos great 1929-39 era names Goon Smoothie Jackrabbit Bonzo set blood coursing through veins guarantee getting touch AARS will worthwhile thing have done yourself week Send em $5 join just large SASE particulars Wedell-Williams Will Jr going make somebody winner next FAC Nats enough money left subscribe magazine dealing full-size aircraft would Aeroplane Monthly Out UK Covering recent developments well history publication high-quality usually has three-view drawings very interesting planes commonly found elsewhere LeeRichards Annular Granger Archaeopterix common types like Lockheed Orion DH Fox Moth Color photos occasional slip-in blueprints classic Flight mag azine spice up lot well-written articles historical aircraft war experiences round out presentation particularly like material pre-war British lightplanes yearly subscription rate presently $3640 includes air freight delivery Send subs Aeroplane Month ly IPC Business Press Ltd 205 E 42nd St New York NY 10017 Correction In December 1980 issue MAwe incorrectly attributed design Jack McGillivrays Missel Thrush Rubber Scale ship Bill Noonan Jacks own design bit different scale Bills Thanks Terry Jenkins calling slip attention Anyone tapered spars hear Jim Jones has peddling excellent balsa rubber strippers prop molds several years addition other FF supplies has intro duced gadget cutting tapered balsa strips least three different ways can taper strip crosswise thickness width understand Jims stripper will handle two three isnt bad dont know details interested best check Jim Jones 36631 Ledgestone Mt Clemens MI 48043 Engine Specialites Want have cylinder liner chrome plated honed. cranksht. perhaps some parts Cox 049 including left-handed cranks big pushers simply left-handed like see buddies expressions model climbs wrong direction nk cylinder can whittle out Schnuerle 049 neighborhood Try P & G Metal Shop 301 North Yale Dr Garland TX 75042 214 272-5210 Tell Gene Hempel Bob sent you. Keep em flying Bill Warner 432-C San Vicente Blvd Santa Monica CA 90402 Safety Comes First/Preston Continued page 60 Teamswho might likely experi ence interference on-the-spot TV news teams letter follows AMA Safety People am writing letter regards possible hazard may encountered groups putting model aircraft demonstrations have experienced hazard ourselves doing RC demonstration Luke AFB AZ Pattern ship go down March 1981 119 SPORT SCALE THE PORTERFIELD COLLEGIATE ideal model tar sport scale flyer Its gentle forgiving nature make perfect begin ners yet quite responsive skilled hands balsa construc tion light strong Porterfield can rog grass field climb steeply avoid obstacles Its light wing loading lets land dime give nine cents change Join quiet revolution enjoy Portertield Collegiate neighborhood park school yard Wing span 695 Area 695 sq Weight 4 lbs 3 channel radio Astro 15 can also use Astro 25 15 25 glow engine pert littl pupww n rudder ariu euuIILrol pylon racing ano eruoatic flying Spsi i inches weight 28 oz light weight 3 channel sq 1 1J19 flUTED FLIGHT INC PIONEERS IN SILENT FLIGHT INTRODUCING TIle Arlleri RJL K61 R/C ENGINE RJL Industries now produces renowned engine formerly manufactured Kraft Systems Inc schnuerle ported 61 cubic inch engine provides easy starting high performance longevity Produced finest materials workmanship quality assurance youll proud have aircraft powered K61 FEATURES INCLUDE Schnuerle Ports Boost Port Double Ball Bearings Forged Alloy Piston & Con Rod Bushed Connecting Rod 0- ring Sealed Back Cover 16 HPat 15500 RPM SUGGESTED RETAIL $13995 Muffler Included Send Free Catalog Today R J L INDUSTRIES P0 Box 5654 Pasadena CA 91107 1831 Business Center Dr Duane CA 91010 wreckage ship strike Air Force vehicle parked field ship itself actually struck ground approximately 15 ft front vehicle however due planes high speed resultant wreckage immediately struck vehicle damaging actual hazard contributing factor hazard hazard am writing about cause ship going down planning stage demonstration re quested project officer radio operations 70 80 MHz range shut down demo fact accom plished base personnel However known club local TV stations area would using newer equipment cover event newer equipment being pressed use more TV stations commonly known live action remote TV Basically consists portable TV unit coupled high-powered transmitter make use live-coverage techniques Units transmitting frequencies actually adjacent own flying frequencies lies actual hazard transmit devices power output far exceeds power used own equipment adjacent frequency can bleed over enough point flying opera tions endangered case particular accident Clubs AMA demonstration teams should made aware potentially dangerous hazard soon possible avoid type accident occurring accident extremely close being disastrous aircraft airborne -second ship would have impacted upon car airborne another full second would have impacted upon USAF Thunderbird aircraft ship would have flying another direction loss control occurred could very well have flown crowd people estimated 3000-plus Luckily God willing case potential caution identifying hazard exercised organization giving demonstration result can disastrous mentioned above Sincerely yours s Michael S Lee President Luke Condors RC Club wind up months column item seen November 1980 issue British magazine Radio Control Models & Electronicsgives us food thought New Products RC Hobby section magazine write-up fail-safe device put Out Chromatronics mentioned previous column device neutralizes controls retards throttle either interference transmitter mal function occurs statement caught eye opening sentence mandatory conditions granting permit fly model aircraft excess 5-kg 11 lb weight provision fail-safe system stated mandates use fail-safe devices assume must some branch British government end question should consider using such fail-safe devices biggies show team models voluntary basis John Preston 7012 Elvira Court Falls Church VA 22042 Slow Year Blimp/Bruhn Continued page 65 However need reverse electrical polarity after tapering down power-off condition motor could advance opposite rotation Electronic throttles too costly heavy experiment mechanical arrangement reversing potenti ometer rotation conjunction switching polarity looked very complex Again taking expedient route hoped multiple position rotary switch could work enabled small enough stepped power changes direction pair inexpensive 12-position electronic switches modified provide two-step center off two-step reverse polarity independent control motor Actually moving switches appropriate position combinations required connecting control shafts through mechanical servo mixer blended throttle heading functions fact rotary switches positioned linear push-pull action meant travel limited less 1800 order avoid linkage jamming extremes throw Competing against commercial switch contacts necessitated about 1400 rotation cover full five-position sequence Without some compensation combination hard turn full throttle would drive pushrod other past jam limits avoid sliding pushrod/yoke arrangement added switch shafts Packaging sheet balsa cabin along three-channel radio system 24V 450 mAb drive-battery pack ballast made possibly compact serviceable simplest configuration assembly attached underneath gas bag hook end plus mating Velcro pads keep cabin shifting during thrust changes Modeling clay 120 Model Aviation 213/359-0016 Slope Squire Featured R/C SPORTSMAN SaraCen Featured RCM April 1976 Seville$6100 Featured MODEL AVIATION Apr 7 Winterhawk$57 Featured MODEL AVIATION May Hotrock Featured MODEL AVI Simitar 540 Featured RCM Oct 1978 COMPLETE PLANS WING CORE FIBERGLAS FUSELAGE PLYWOOD WING SHEETING CORE FILM WING SHEETING TAPE comes 14 X 60 yd roll $895 XHINGE$189/Pkg N EW EASY-MOUNT K&B 40 L ~dUIB vvrite 20825/z Roscoe Blvd Canoga Park CA 91306 BILL EVANS RIC AIRCRAFT Phone 213 709-0894
Edition: Model Aviation - 1981/03
Page Numbers: 60, 119, 120
I %AFLTY lb COMES FIRST RCers must watch out live action TV news teams operating nearbytheir trans mitters operate fre quencies adja centtothel2 MHz RC channels John Preston IT APPEARS got triple whammy safety December issue Model nation did have regular Safety Comes First column also section safety presidents column another safety item involving frequency conflict AMA News section wonderif some myster ious crashes RC Scale aircraft 1980 Nats perhaps result such radio frequency interference caused harmonics generated operation two transmitters shooting down model third differing frequency dissertation merits Safety Committee last months issue ignored members AMA Executive Council council meeting November 15th motion approved form special committee draft document will describe duties composition AMA Safety Committee Bill Mathews District V VP heading up special committee will assisted Pro fessor Arthur Sabin myself As said last months column thoughts subject welcome last months column also mentioned lawsuit result CL fliers electro cution death newspaper clipping concerning lawsuit sent us Arthur Ryan Farmington MI clipping Star nationally distributed tabloid carried headline MODEL PLANES RESPONSIBLE FOR 43 DEATHS went say following Model planes controlled wire lines have responsible least 43 electrocutions according prominent lawyer James B Denman Fort Lauderdale FL recently won $250000 widow son man killed model planes control line touched high tension power line told court Despite dangers manufacturers still refuse make simple design changes could save lives Denman preparing evidence present Consumer Product Safety Commission Anotherand lengthyaccount story appeared Product Safety & Liability Reporter weekly publication Burear National Affairs read latter article just few days after writing last months column wound up following statement Denman said will petition CPSC behalf widow recall hazardous control handlesat very least said has yet determined whether seek ban other components model airplanes best knowledge present date end November no petition has submitted CPSC However another part PSLR article stated James B Denman told PSLR will petition CPSC end year safety rule powered model airplanes equipped handles stainless steel control wires still have month go before end year couple months ago received list Dos Donts pertaining CL flying Larry Miles Misson KS Larry respond ing request such list made earlier column Larrys list will appear future column suggestions made totally different reason could solution electrocution problem said could would because like Larry dont know answer following Ive wondered about possibility using Aramid fibers tire companies presently use control lines tensile strength exceeds steel since single strand would still flexible seems would provide drag reduction also wrote couple manufacturers some time ago suggestion far have received no reply So dont know idea has merit readers work tire companies would like hear would guess Aramid fibers would too stretchy give positive control steel wires afford body knows non-conductive material might work control lines lets hear So much wire-controlled models Lets now change subject wireless control namely RC January 1981 Just Fun column Bill Winter made mention inter ference closing nearby flying site RC field country-owned parkland does have lake attractive RC boaters within mile However Ive no doubt occasionally have problems RC boats have feeling glitches originate non-RC transmissions around 72 MHz frequencies tend forget 72 MHz band solely used modelers other com mercial users some parts country render 72 MHz useless controlling model aircraft county park flying field located about five miles Western Union micro wave relay tower contains whole slew other communications antennas used com panies wishing communicate radio Washington DC area suspect some broadcasters may source interference subject interference RC operation brought attention letter AMA HQ Michael lee Luke Condors RC Club Copies letter have distributed several people including AMA Show Continued page 119 CK 4 gO GOOD HEAVENS MAN WHAT ARE YOU USING FOR CONTROL LINES BANDS ~ 60 Model Aviation 1018 13311 Beach Ave Venice CA 90291 SPORT TRAINER f fl GLIDERSOS MAX 61 FSR AUTHENTIC BLUEPRINTS TELLITE KITS[ Gerua WW II E 7 OLD TIME GAS$10800 delivered Add 6%Fighters send 25 5 RUBBER 3 NORDICRear Exhaust Same Price 1980 catalog 9 COMPETITION GAS Call 408-274-1915 EEE SCIkS S AEEC -EXACT SCALE FUEL DT TIMERS -$1075 RAC Products EEAEXAATIE Model Supply13200_Knightswood Wayscalecraft PO Box 4231 Whittier Cult 90511 San Jose CA 95148 Previous kit purchasers have informed changes Talk about personalized customer service mention just case . Georges Wakefield kit still afew months off seems necessary tooling coming along Despite its flat-bottom airfoil Wake isnt mediocre-performance beginners affair should stack up few percent below sophisticated designs despite its simple construction prototype has yet fail make first-round max George also peddles some crazy stuff like 5/32-in sheet 5/32-in sq strip balsa Pirelli rubber Japanese tissue orthodontic rubberbands fuse DTs 39 per package 75 prop kits fiberglass cloth teflon washers perhaps other stuff cant find locally Check him Champion Model Prod 880 Carmen Ct La Veme CA 91750 Send buck catalog refunded upon receipt order 1980 Heart Dixie HOD FF Chain pionships held October 4-5 1980 Bill Jenkins won first HOD high-point trophy narrowly nosing out another tough competitor also AMAs secretary-treasurer Jim McNeill George Mulvihill Perryman made usual fine showing firsts Coupe OT Rubber P-30 Jim Lewis back contest trail first A-i second Mulvihill fourths A-2 OT Rubber Jim Davidson also back fold still has winning ways first Peanut seconds Rubber Scale Gas Scale Junior high-point winner David Brown first P-30 second Rubber Supple fifth Rubber Scale Trophies awarded first second third place winner Also contestants received merchandise prize Bob Meuser 4200 Gregory St Oakland CA 94619 FF Sport-SCale/Warner Continued page 57 Society P0 Box 121 South Euclid OH 44121 has magnificent line -in scale drawings Prof WF Kerka bimonthly newsletter nostalgia packets official air race photos great 1929-39 era names Goon Smoothie Jackrabbit Bonzo set blood coursing through veins guarantee getting touch AARS will worthwhile thing have done yourself week Send em $5 join just large SASE particulars Wedell-Williams Will Jr going make somebody winner next FAC Nats enough money left subscribe magazine dealing full-size aircraft would Aeroplane Monthly Out UK Covering recent developments well history publication high-quality usually has three-view drawings very interesting planes commonly found elsewhere LeeRichards Annular Granger Archaeopterix common types like Lockheed Orion DH Fox Moth Color photos occasional slip-in blueprints classic Flight mag azine spice up lot well-written articles historical aircraft war experiences round out presentation particularly like material pre-war British lightplanes yearly subscription rate presently $3640 includes air freight delivery Send subs Aeroplane Month ly IPC Business Press Ltd 205 E 42nd St New York NY 10017 Correction In December 1980 issue MAwe incorrectly attributed design Jack McGillivrays Missel Thrush Rubber Scale ship Bill Noonan Jacks own design bit different scale Bills Thanks Terry Jenkins calling slip attention Anyone tapered spars hear Jim Jones has peddling excellent balsa rubber strippers prop molds several years addition other FF supplies has intro duced gadget cutting tapered balsa strips least three different ways can taper strip crosswise thickness width understand Jims stripper will handle two three isnt bad dont know details interested best check Jim Jones 36631 Ledgestone Mt Clemens MI 48043 Engine Specialites Want have cylinder liner chrome plated honed. cranksht. perhaps some parts Cox 049 including left-handed cranks big pushers simply left-handed like see buddies expressions model climbs wrong direction nk cylinder can whittle out Schnuerle 049 neighborhood Try P & G Metal Shop 301 North Yale Dr Garland TX 75042 214 272-5210 Tell Gene Hempel Bob sent you. Keep em flying Bill Warner 432-C San Vicente Blvd Santa Monica CA 90402 Safety Comes First/Preston Continued page 60 Teamswho might likely experi ence interference on-the-spot TV news teams letter follows AMA Safety People am writing letter regards possible hazard may encountered groups putting model aircraft demonstrations have experienced hazard ourselves doing RC demonstration Luke AFB AZ Pattern ship go down March 1981 119 SPORT SCALE THE PORTERFIELD COLLEGIATE ideal model tar sport scale flyer Its gentle forgiving nature make perfect begin ners yet quite responsive skilled hands balsa construc tion light strong Porterfield can rog grass field climb steeply avoid obstacles Its light wing loading lets land dime give nine cents change Join quiet revolution enjoy Portertield Collegiate neighborhood park school yard Wing span 695 Area 695 sq Weight 4 lbs 3 channel radio Astro 15 can also use Astro 25 15 25 glow engine pert littl pupww n rudder ariu euuIILrol pylon racing ano eruoatic flying Spsi i inches weight 28 oz light weight 3 channel sq 1 1J19 flUTED FLIGHT INC PIONEERS IN SILENT FLIGHT INTRODUCING TIle Arlleri RJL K61 R/C ENGINE RJL Industries now produces renowned engine formerly manufactured Kraft Systems Inc schnuerle ported 61 cubic inch engine provides easy starting high performance longevity Produced finest materials workmanship quality assurance youll proud have aircraft powered K61 FEATURES INCLUDE Schnuerle Ports Boost Port Double Ball Bearings Forged Alloy Piston & Con Rod Bushed Connecting Rod 0- ring Sealed Back Cover 16 HPat 15500 RPM SUGGESTED RETAIL $13995 Muffler Included Send Free Catalog Today R J L INDUSTRIES P0 Box 5654 Pasadena CA 91107 1831 Business Center Dr Duane CA 91010 wreckage ship strike Air Force vehicle parked field ship itself actually struck ground approximately 15 ft front vehicle however due planes high speed resultant wreckage immediately struck vehicle damaging actual hazard contributing factor hazard hazard am writing about cause ship going down planning stage demonstration re quested project officer radio operations 70 80 MHz range shut down demo fact accom plished base personnel However known club local TV stations area would using newer equipment cover event newer equipment being pressed use more TV stations commonly known live action remote TV Basically consists portable TV unit coupled high-powered transmitter make use live-coverage techniques Units transmitting frequencies actually adjacent own flying frequencies lies actual hazard transmit devices power output far exceeds power used own equipment adjacent frequency can bleed over enough point flying opera tions endangered case particular accident Clubs AMA demonstration teams should made aware potentially dangerous hazard soon possible avoid type accident occurring accident extremely close being disastrous aircraft airborne -second ship would have impacted upon car airborne another full second would have impacted upon USAF Thunderbird aircraft ship would have flying another direction loss control occurred could very well have flown crowd people estimated 3000-plus Luckily God willing case potential caution identifying hazard exercised organization giving demonstration result can disastrous mentioned above Sincerely yours s Michael S Lee President Luke Condors RC Club wind up months column item seen November 1980 issue British magazine Radio Control Models & Electronicsgives us food thought New Products RC Hobby section magazine write-up fail-safe device put Out Chromatronics mentioned previous column device neutralizes controls retards throttle either interference transmitter mal function occurs statement caught eye opening sentence mandatory conditions granting permit fly model aircraft excess 5-kg 11 lb weight provision fail-safe system stated mandates use fail-safe devices assume must some branch British government end question should consider using such fail-safe devices biggies show team models voluntary basis John Preston 7012 Elvira Court Falls Church VA 22042 Slow Year Blimp/Bruhn Continued page 65 However need reverse electrical polarity after tapering down power-off condition motor could advance opposite rotation Electronic throttles too costly heavy experiment mechanical arrangement reversing potenti ometer rotation conjunction switching polarity looked very complex Again taking expedient route hoped multiple position rotary switch could work enabled small enough stepped power changes direction pair inexpensive 12-position electronic switches modified provide two-step center off two-step reverse polarity independent control motor Actually moving switches appropriate position combinations required connecting control shafts through mechanical servo mixer blended throttle heading functions fact rotary switches positioned linear push-pull action meant travel limited less 1800 order avoid linkage jamming extremes throw Competing against commercial switch contacts necessitated about 1400 rotation cover full five-position sequence Without some compensation combination hard turn full throttle would drive pushrod other past jam limits avoid sliding pushrod/yoke arrangement added switch shafts Packaging sheet balsa cabin along three-channel radio system 24V 450 mAb drive-battery pack ballast made possibly compact serviceable simplest configuration assembly attached underneath gas bag hook end plus mating Velcro pads keep cabin shifting during thrust changes Modeling clay 120 Model Aviation 213/359-0016 Slope Squire Featured R/C SPORTSMAN SaraCen Featured RCM April 1976 Seville$6100 Featured MODEL AVIATION Apr 7 Winterhawk$57 Featured MODEL AVIATION May Hotrock Featured MODEL AVI Simitar 540 Featured RCM Oct 1978 COMPLETE PLANS WING CORE FIBERGLAS FUSELAGE PLYWOOD WING SHEETING CORE FILM WING SHEETING TAPE comes 14 X 60 yd roll $895 XHINGE$189/Pkg N EW EASY-MOUNT K&B 40 L ~dUIB vvrite 20825/z Roscoe Blvd Canoga Park CA 91306 BILL EVANS RIC AIRCRAFT Phone 213 709-0894
Edition: Model Aviation - 1981/03
Page Numbers: 60, 119, 120
I %AFLTY lb COMES FIRST RCers must watch out live action TV news teams operating nearbytheir trans mitters operate fre quencies adja centtothel2 MHz RC channels John Preston IT APPEARS got triple whammy safety December issue Model nation did have regular Safety Comes First column also section safety presidents column another safety item involving frequency conflict AMA News section wonderif some myster ious crashes RC Scale aircraft 1980 Nats perhaps result such radio frequency interference caused harmonics generated operation two transmitters shooting down model third differing frequency dissertation merits Safety Committee last months issue ignored members AMA Executive Council council meeting November 15th motion approved form special committee draft document will describe duties composition AMA Safety Committee Bill Mathews District V VP heading up special committee will assisted Pro fessor Arthur Sabin myself As said last months column thoughts subject welcome last months column also mentioned lawsuit result CL fliers electro cution death newspaper clipping concerning lawsuit sent us Arthur Ryan Farmington MI clipping Star nationally distributed tabloid carried headline MODEL PLANES RESPONSIBLE FOR 43 DEATHS went say following Model planes controlled wire lines have responsible least 43 electrocutions according prominent lawyer James B Denman Fort Lauderdale FL recently won $250000 widow son man killed model planes control line touched high tension power line told court Despite dangers manufacturers still refuse make simple design changes could save lives Denman preparing evidence present Consumer Product Safety Commission Anotherand lengthyaccount story appeared Product Safety & Liability Reporter weekly publication Burear National Affairs read latter article just few days after writing last months column wound up following statement Denman said will petition CPSC behalf widow recall hazardous control handlesat very least said has yet determined whether seek ban other components model airplanes best knowledge present date end November no petition has submitted CPSC However another part PSLR article stated James B Denman told PSLR will petition CPSC end year safety rule powered model airplanes equipped handles stainless steel control wires still have month go before end year couple months ago received list Dos Donts pertaining CL flying Larry Miles Misson KS Larry respond ing request such list made earlier column Larrys list will appear future column suggestions made totally different reason could solution electrocution problem said could would because like Larry dont know answer following Ive wondered about possibility using Aramid fibers tire companies presently use control lines tensile strength exceeds steel since single strand would still flexible seems would provide drag reduction also wrote couple manufacturers some time ago suggestion far have received no reply So dont know idea has merit readers work tire companies would like hear would guess Aramid fibers would too stretchy give positive control steel wires afford body knows non-conductive material might work control lines lets hear So much wire-controlled models Lets now change subject wireless control namely RC January 1981 Just Fun column Bill Winter made mention inter ference closing nearby flying site RC field country-owned parkland does have lake attractive RC boaters within mile However Ive no doubt occasionally have problems RC boats have feeling glitches originate non-RC transmissions around 72 MHz frequencies tend forget 72 MHz band solely used modelers other com mercial users some parts country render 72 MHz useless controlling model aircraft county park flying field located about five miles Western Union micro wave relay tower contains whole slew other communications antennas used com panies wishing communicate radio Washington DC area suspect some broadcasters may source interference subject interference RC operation brought attention letter AMA HQ Michael lee Luke Condors RC Club Copies letter have distributed several people including AMA Show Continued page 119 CK 4 gO GOOD HEAVENS MAN WHAT ARE YOU USING FOR CONTROL LINES BANDS ~ 60 Model Aviation 1018 13311 Beach Ave Venice CA 90291 SPORT TRAINER f fl GLIDERSOS MAX 61 FSR AUTHENTIC BLUEPRINTS TELLITE KITS[ Gerua WW II E 7 OLD TIME GAS$10800 delivered Add 6%Fighters send 25 5 RUBBER 3 NORDICRear Exhaust Same Price 1980 catalog 9 COMPETITION GAS Call 408-274-1915 EEE SCIkS S AEEC -EXACT SCALE FUEL DT TIMERS -$1075 RAC Products EEAEXAATIE Model Supply13200_Knightswood Wayscalecraft PO Box 4231 Whittier Cult 90511 San Jose CA 95148 Previous kit purchasers have informed changes Talk about personalized customer service mention just case . Georges Wakefield kit still afew months off seems necessary tooling coming along Despite its flat-bottom airfoil Wake isnt mediocre-performance beginners affair should stack up few percent below sophisticated designs despite its simple construction prototype has yet fail make first-round max George also peddles some crazy stuff like 5/32-in sheet 5/32-in sq strip balsa Pirelli rubber Japanese tissue orthodontic rubberbands fuse DTs 39 per package 75 prop kits fiberglass cloth teflon washers perhaps other stuff cant find locally Check him Champion Model Prod 880 Carmen Ct La Veme CA 91750 Send buck catalog refunded upon receipt order 1980 Heart Dixie HOD FF Chain pionships held October 4-5 1980 Bill Jenkins won first HOD high-point trophy narrowly nosing out another tough competitor also AMAs secretary-treasurer Jim McNeill George Mulvihill Perryman made usual fine showing firsts Coupe OT Rubber P-30 Jim Lewis back contest trail first A-i second Mulvihill fourths A-2 OT Rubber Jim Davidson also back fold still has winning ways first Peanut seconds Rubber Scale Gas Scale Junior high-point winner David Brown first P-30 second Rubber Supple fifth Rubber Scale Trophies awarded first second third place winner Also contestants received merchandise prize Bob Meuser 4200 Gregory St Oakland CA 94619 FF Sport-SCale/Warner Continued page 57 Society P0 Box 121 South Euclid OH 44121 has magnificent line -in scale drawings Prof WF Kerka bimonthly newsletter nostalgia packets official air race photos great 1929-39 era names Goon Smoothie Jackrabbit Bonzo set blood coursing through veins guarantee getting touch AARS will worthwhile thing have done yourself week Send em $5 join just large SASE particulars Wedell-Williams Will Jr going make somebody winner next FAC Nats enough money left subscribe magazine dealing full-size aircraft would Aeroplane Monthly Out UK Covering recent developments well history publication high-quality usually has three-view drawings very interesting planes commonly found elsewhere LeeRichards Annular Granger Archaeopterix common types like Lockheed Orion DH Fox Moth Color photos occasional slip-in blueprints classic Flight mag azine spice up lot well-written articles historical aircraft war experiences round out presentation particularly like material pre-war British lightplanes yearly subscription rate presently $3640 includes air freight delivery Send subs Aeroplane Month ly IPC Business Press Ltd 205 E 42nd St New York NY 10017 Correction In December 1980 issue MAwe incorrectly attributed design Jack McGillivrays Missel Thrush Rubber Scale ship Bill Noonan Jacks own design bit different scale Bills Thanks Terry Jenkins calling slip attention Anyone tapered spars hear Jim Jones has peddling excellent balsa rubber strippers prop molds several years addition other FF supplies has intro duced gadget cutting tapered balsa strips least three different ways can taper strip crosswise thickness width understand Jims stripper will handle two three isnt bad dont know details interested best check Jim Jones 36631 Ledgestone Mt Clemens MI 48043 Engine Specialites Want have cylinder liner chrome plated honed. cranksht. perhaps some parts Cox 049 including left-handed cranks big pushers simply left-handed like see buddies expressions model climbs wrong direction nk cylinder can whittle out Schnuerle 049 neighborhood Try P & G Metal Shop 301 North Yale Dr Garland TX 75042 214 272-5210 Tell Gene Hempel Bob sent you. Keep em flying Bill Warner 432-C San Vicente Blvd Santa Monica CA 90402 Safety Comes First/Preston Continued page 60 Teamswho might likely experi ence interference on-the-spot TV news teams letter follows AMA Safety People am writing letter regards possible hazard may encountered groups putting model aircraft demonstrations have experienced hazard ourselves doing RC demonstration Luke AFB AZ Pattern ship go down March 1981 119 SPORT SCALE THE PORTERFIELD COLLEGIATE ideal model tar sport scale flyer Its gentle forgiving nature make perfect begin ners yet quite responsive skilled hands balsa construc tion light strong Porterfield can rog grass field climb steeply avoid obstacles Its light wing loading lets land dime give nine cents change Join quiet revolution enjoy Portertield Collegiate neighborhood park school yard Wing span 695 Area 695 sq Weight 4 lbs 3 channel radio Astro 15 can also use Astro 25 15 25 glow engine pert littl pupww n rudder ariu euuIILrol pylon racing ano eruoatic flying Spsi i inches weight 28 oz light weight 3 channel sq 1 1J19 flUTED FLIGHT INC PIONEERS IN SILENT FLIGHT INTRODUCING TIle Arlleri RJL K61 R/C ENGINE RJL Industries now produces renowned engine formerly manufactured Kraft Systems Inc schnuerle ported 61 cubic inch engine provides easy starting high performance longevity Produced finest materials workmanship quality assurance youll proud have aircraft powered K61 FEATURES INCLUDE Schnuerle Ports Boost Port Double Ball Bearings Forged Alloy Piston & Con Rod Bushed Connecting Rod 0- ring Sealed Back Cover 16 HPat 15500 RPM SUGGESTED RETAIL $13995 Muffler Included Send Free Catalog Today R J L INDUSTRIES P0 Box 5654 Pasadena CA 91107 1831 Business Center Dr Duane CA 91010 wreckage ship strike Air Force vehicle parked field ship itself actually struck ground approximately 15 ft front vehicle however due planes high speed resultant wreckage immediately struck vehicle damaging actual hazard contributing factor hazard hazard am writing about cause ship going down planning stage demonstration re quested project officer radio operations 70 80 MHz range shut down demo fact accom plished base personnel However known club local TV stations area would using newer equipment cover event newer equipment being pressed use more TV stations commonly known live action remote TV Basically consists portable TV unit coupled high-powered transmitter make use live-coverage techniques Units transmitting frequencies actually adjacent own flying frequencies lies actual hazard transmit devices power output far exceeds power used own equipment adjacent frequency can bleed over enough point flying opera tions endangered case particular accident Clubs AMA demonstration teams should made aware potentially dangerous hazard soon possible avoid type accident occurring accident extremely close being disastrous aircraft airborne -second ship would have impacted upon car airborne another full second would have impacted upon USAF Thunderbird aircraft ship would have flying another direction loss control occurred could very well have flown crowd people estimated 3000-plus Luckily God willing case potential caution identifying hazard exercised organization giving demonstration result can disastrous mentioned above Sincerely yours s Michael S Lee President Luke Condors RC Club wind up months column item seen November 1980 issue British magazine Radio Control Models & Electronicsgives us food thought New Products RC Hobby section magazine write-up fail-safe device put Out Chromatronics mentioned previous column device neutralizes controls retards throttle either interference transmitter mal function occurs statement caught eye opening sentence mandatory conditions granting permit fly model aircraft excess 5-kg 11 lb weight provision fail-safe system stated mandates use fail-safe devices assume must some branch British government end question should consider using such fail-safe devices biggies show team models voluntary basis John Preston 7012 Elvira Court Falls Church VA 22042 Slow Year Blimp/Bruhn Continued page 65 However need reverse electrical polarity after tapering down power-off condition motor could advance opposite rotation Electronic throttles too costly heavy experiment mechanical arrangement reversing potenti ometer rotation conjunction switching polarity looked very complex Again taking expedient route hoped multiple position rotary switch could work enabled small enough stepped power changes direction pair inexpensive 12-position electronic switches modified provide two-step center off two-step reverse polarity independent control motor Actually moving switches appropriate position combinations required connecting control shafts through mechanical servo mixer blended throttle heading functions fact rotary switches positioned linear push-pull action meant travel limited less 1800 order avoid linkage jamming extremes throw Competing against commercial switch contacts necessitated about 1400 rotation cover full five-position sequence Without some compensation combination hard turn full throttle would drive pushrod other past jam limits avoid sliding pushrod/yoke arrangement added switch shafts Packaging sheet balsa cabin along three-channel radio system 24V 450 mAb drive-battery pack ballast made possibly compact serviceable simplest configuration assembly attached underneath gas bag hook end plus mating Velcro pads keep cabin shifting during thrust changes Modeling clay 120 Model Aviation 213/359-0016 Slope Squire Featured R/C SPORTSMAN SaraCen Featured RCM April 1976 Seville$6100 Featured MODEL AVIATION Apr 7 Winterhawk$57 Featured MODEL AVIATION May Hotrock Featured MODEL AVI Simitar 540 Featured RCM Oct 1978 COMPLETE PLANS WING CORE FIBERGLAS FUSELAGE PLYWOOD WING SHEETING CORE FILM WING SHEETING TAPE comes 14 X 60 yd roll $895 XHINGE$189/Pkg N EW EASY-MOUNT K&B 40 L ~dUIB vvrite 20825/z Roscoe Blvd Canoga Park CA 91306 BILL EVANS RIC AIRCRAFT Phone 213 709-0894