SatE bnwsflrst w Working foam plastics has potential safety health problems dont report gore modeling-accident accounts Listen what plane trying tell John Preston FOAM plastic building material poses some potential health safety hazards Right outset want understand Styrofoam generic name foamed plasticsit registered trademark later Some long-time readers may remember Safety Comes First addressed subject some two years agobut readers will have us long need know about please forgive repetition thing set address sub ject again letter received during past month Jim Riggle Gladstone OR described some problems associ ated use foam plastic modelbuilding material Jim wrote have word caution also need some advice very excited last week set out cut first set foam wings cutter set up garage cut several pairs before making keeper problem came next evening cutting channels spars minicutter dining room table odor foam little stronger normal didnt think too much about hadnt produced ill effects before About three oclock next morning awoke sound sleep spinning room soon became very seasick called doctor told should take some Dramamine treat symptom probably virus affecting inner ear took Dramamine felt much better late morning talked doctor again said based quick recovery stead virus probably toxic reac tion fumes foam plastic found talking foam manu facturer product styrene expanded-bead foam melted produces phosgene gas Phosgene nerve gas used WW II symptoms phosgene poisoning tight chest coughing dont fit innerear problem guess just way affected id interested know what other gases styrene may produce melted fellow modeler told other day manufacturing process use formaldehyde released cutting process What else hidden Before cutting foam read Foam Wings Alexander RCM found no cautions about gasesnor have seen statements AMA would really appreciate comments subject Before respond Jims questions re garding what gases may released foam plastic during cutting process lets take another look what stated column some two years ago consider Model Aviation official publication AMA think can say AMA has made previous state ments about gases released during cut ting foam wings Safety Comes First column February 1982 issue Model Aviation following say about hazards cutting styrofoam Would believe Styrofoam may hazardous health Before de scribe perhaps should define what mean Styrofoam regis tered trademark Dow Chemical com pany best knowledge foam material used manufacture coffee cups ready-to-fly model aircraft What talking about usually sold large sheets varying thickness very often used home insulationbut may also purchased modelers make foam wing cores sold sheet form usually has paper covering side imprinted name Styrofoam together name manufacturer letter Ben Brackett Cincinnati OH describes what can happen un wary helping schoolteacher friend work up some boat hulls Styrofoam class project came down pre flu symptomsdrunk skunk tired achey everything elevated tempera ture Well make long story short after staying out workshop two days felt okay 15 minutes hot-wire cut ting almost put ear school teacher friend wrote Dow kind enough send enclosed book letContinued page 12 N 4 NOW TF4ATS ONE HECK OF EHAL4T fAg 10 Model Aviation II Although Bens case hazard re sulted cutting Styrofoam using hot wire same problem can occur during sawing shaping grinding operation explanation Bens misfortunes con tained Dow booklet extracts follow Styrofoam brand plastic foam made pushing chemical gas melted plastic making foam cools forms solid lightweight Sty rofoam brand plastic foam know plastic hannless polystyrene gas methyl chloridea chemical gas can represent potential hazard breathe too much Most methyl chloride gas escapes Styrofoam brand plastic foam before work some stays locked cut saw Styrofoam brand plastic foam foam walls broken letting out gas can cause problem too much gas released stays work area Some first signs overexposure methyl chloride gas dizziness stag gering blurred vision Sometimes signs may show up day two later recovery may take several days depending amount exposure Since first results overexposure very similar being drunk person suf fering such effects will have hard time working safely Such person wont able control actions risks injury himself others avoid overexposure methyl chloride gas properly operate main tain equipment exhaust fans Practice good housekeeping keep finished pieces waste storage minimum Have plenty fresh air around operation dont work Styrofoam brand plastic foam small poorly-ventilated area room short human body designed breathe air asked operate environment polluted other gases may function too well concentration pollutants high enough may completely cease function work shops need ventilation Docs yours have exhaust fan So much dissertation two years ago Back present letter Jim Riggle appears Jims symptoms seasickness likely result overexposure methyl chloride gas rather phosgene did con sult two chemical engineers sub ject stated may possible get some phosgene formed during hotwire-cutting process temperature sufficiently high However felt likely such ill effects would result breathing methyl chloride styrene monomer Anyway bottom line avoid concentrations whatever gases released during cutting process ventilating work area last point concerning statement Continued page 14 12 Model Aviation WITH FEATURES YOU THE MODELER WANTED Box-Loc construc tion slots machine cut insure perfect fitfor engine bearers firewall farmers slots guarantee accurate alignment make fuse incredibly strong reduce building time down minutes fact Box-Loc tolerances exact fuse shown held gether rubber bands Thats precision course Box-Loc just reasons choosing Lou Andrews signature series kits Ask experienced modeler Andrews kits have reputation building easily. flying great build See Andrews kits local dealer today ht 44i signature series kits N SPAN 56 CHANNELS 3-4 ENGINE 25-40 Lightweight flat-bottom trainer flies slow stable 35 engIne Build ailerons TRAINERMASTER Thousands mode era can attest th s mode s easy fyng quckbu dng --handsome ooks SPAN 53I CHANNELS 4 ENGINE 35 45 MINIMASTER Get big performance small engines Symmetrical airfoil makes great stunter CHANNELS 4 ENGINE 45-el -I SPORTMASTER Big size fun flyl AErobatic enough used pattern competition Jim Riggles modeler friend formal dehyde released during cutting Sty rofoam believe Jims friend con fusing Styrofoam urea-formaldehyde foam UF foam both used home insulation am aware maldehyde being used during manufac ture Styrofoam UF foam used insulation wall cavities homes has shown give off formaldehyde after its installationwhich may cause eye tin tation respiratory difficulties listed carcinogen ban use UF foam insulate homes instituted US Consumer Product Safety Commission recently overturned US Cir cuit Court procedural grounds Staying subject hot-wire cutting foam products Id like remind another previous Safety Comes First column appeared June 1983 issue Model Aviation column con tained warning accompanied adver tisement hobby supply catalog poly urethane foam boards warning stated hot-wire urethane foam haz ardous gas discharged Im 100% sure composition gas Im told contains hydrogen cyanide As stated previous column isnt best thing breathing desire continue modeling ripe old age Before leaving subject fumes given off modeling products may have material effect well-being alert products sold debonding agents cured CyA glue least contains 90% acetonitrile Merck Index states should avoid breathing vapors chemical compound also may cause skin irritation letter Model Aviation Editor Publisher Carl Wheeley Tom Dixon say about monthly safety column Id like see details column safety month including insurance incident report summaries liability findings etc arc accidents feel vague warnings summaries now given explicit enough truly communicate real risks dangers involved about detailed report about people per manently damaged using Imron paint Since am health care business see risks involved kinds model ing apologize Tom other mod elers feel column prints vague warnings summaries rather in-depth accounts accidents Un fortunately much material receive use write column short details example have no reports concerning people per manently damaged result using Imron similar two-component polyurethane paints Insofar insurance incident report summaries concerned again Continued page 121 14 Model Aviation Box-Loc Construction Makes Building Easy N SPAN 45-52I CHANNELS 4 ENGINE 45-61 All-time favorite bipe because its tremendous performer Easy construction alignment 1OOE P0 BOX 721 URBANA ILcINO LEADER IN SMALL AIRFOIL TECHNOLOGY production 5 years Master Arscrew GIF Series propi equaled performance durability Injection molf nf hi glass-filled nylon consistently well-balanced 5 sizes nes new 10 xS pusher Available through 131 WINDSOR PROPELLER CO 384 TESCONI COURT handing line.the complete line decals available model anywhere youll love being handed major decals Distributors nquiries invited NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01028 TEL 413-525-4110 24 insignia sheets also letters numbers major decals available popular 40 -60sizes plus American Giant Scale size believe majordecals have comprehensive assortment available now -with sizes styles comng time pressure sensitive water transfer Well bet line CONTACT YOUR LOCAL HOeeY SHOP OR WRITE DIRECT Letters Editor ontinued vaae B going try expand program Oceanside School Dis Lrict using Academys guidelines Adopt-A-School project interesting know will very rewarding anyone cares get involved Marlin Kinning Oceanside CA Interested folks might want look ack August 1983 issue page 101 program announcement de fails Academys Public Relations Department can help get program oing area rhose Chopper Ads Though Ive looked tar wide Ive yet tind pictoral advertise ments RC Helicopter manufacturers show machines flying nor mal upright attitude Am overlooking what may obvious tact machines fly hover inverted position Only kidding boys Im getting tired standing head able appreciate what birds look like VJ opisIAJ Reader Barrons letter inspired fhe November 1983 issue two 2dvertisem en ts featured Helicopters fnverted flight Actually inverted Heli Copter flight pretty sensational stuff o can see advertisers want nake Safety/Preston have such reports However will con tact AMA HQ see have anything could value column Please aware insurance claim has yet settled cannot discussed obvious reasons prejudice legal pro ceedings readers out aware detailed accounts modeling-related accidents would appreciate hearing about Despite apparent absence details incidents described column does appear has some positive merit illustrated recent letter Gerald Myers Redway CA Geralds letter re ferred article Lee Taylor titled Land Now appeared Oc tober 1983 column message Lees article cases model will visually warn impending equip ment failure bobble glitch other unprogrammed change flight attitude Geralds letter described first flight Schoolmaster II during noticed developing tendency turn better left right Remembering Lees February 1984 121 -I - U- LL YOU SI-IUT ThAT DOOR. SAFE FLYING IS NO ACCIDENT GIANT FUN SCALE AIRCRAFT Immediate Delivery DEAL ER INQUIRIES WEL COME Send $100 catalogue Spinks Akromaster $20995 Add $1000 postage/handling * 90Span15-l7lbs * Fiberglass Cowl/Pants * Built-up Fuselage * Foam Wing * Quadra Power An Old Favorite Returns lerZ 8/C Channels Two-Meter~.7-.... Powered Glider THE SINBAD 78 78 Wingspan Sq Ares 049 Engines Coantleso teodelers flew Siohads off joto therorals 1940 era II before toe Dethermalizers Now hace lightweight P/C sostewo aod PowerAssist Pod has added Its thermalprooeo ao enttaoce Soatiogl Plan N Patters Set esces Corrptete Ptenn Stn OssenrOn RCG-1betaitee Ports Lsts Add 8200 tOn Ceiling Tore 00kb Foe esObebdo ne ahead crowb New $895 edrrue sbcsing new Plan bets 1903 toed bend t1bOtsrelrndabedn nbdtlStOrdCt WE TECHNICAL SERVICES PO Box 768U-A Atlanta Georgia 30328 USA HO~ Span 788 5mg Area 564 Sq NSOAR glider HOBBY HORN Exclasine l HOBBY HORN KiOl SENSOAR Glider kit high qbaality sit snith Machine cot sanded parts Select qoalinty balsa spruce Detailed plans written nstructrsns Far THERMAL ar SLOPE er 00 ELECTRIC POWER VALUE PRICED 51800 Conbrned Prtas1 tOts plan Nest act Wire Windsor etc Mat Nate way purclsoaed just ltd cartelkits ar plartd-Write cott far pin-icee 1936 Baeeeneer84-SS1 0938 COpper MK t-72-$39 1937 Datlalre Sptsertgt$61 1940 Raesger40 $27 1939 Mereury72-95d 1935 Miss Aererice84---$b9 8941 Pleyboy Jr-14-929 1941 Playboy Sr-80S46 1939 Passer Houee84-543 1940 Saitplase-79-- 974 8940 Sn LosgS0928 1939 Trenton Terror-72-932 1939 Zipper54-949 1939 Korda Wokefield-44- 917 MIDWAY MODEL CO benn-ktts Caesbtned or/strtp 1936 Plying Qaaker-84-$45 1937 Quaker Ftash47539 1937 Long Cabin79542 1937 Air Cbief4104b STRUCKS 1940 79 Span 835 Sq a. rU Ier SEMI-KIT Plan IncI --$3309 N uw_ Combo Putt Kit $6300 5CflLLflfl WHWIm SSO HEINKEL HElOOD 62 SOs $1000 aeeat3ANOlaas.ee~a Up $900 add $150 $800 $2090 add $225 $2901 5d0t9 add $300 $4591 $7900 odd $309 over $7090 add $400 CA Addressees odd 60 tax Send StO Visa/MC#-t-Exp Check allow up 30 dsys cheek clearance COOEwact Charges Hdl ICash OntvtAtl UPS] 4 rage 02AIALUUUC $209 PP/lot Class copy will sent free--teben requested-with order HOBBY HORN nehabby specialtieseo 75173 Moran Street [A] PO Boo 2212 Westminster Ca 92683 7t9 59303tt 8951203 122 Model Aviation message now something strange observed did just thatand managed get down unscathed An exam ination model showed rudder pushrod attachment servos par tially backed out pushrod connector So thanks Lees advice modelers via column model saved poten tial accident averted last word promoting safety RC flying field NEVER turn trans mitter until have checked see frequencies use club has transmitter impound system effectuse time no shortcut safety Just rememberwhen shoot down another fliers model turning transmitter wrong time plane may hit something somebody besides ground Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Fun/Winter Continued oaoe 26 Total land about 200 acres best just mile town truly busy place open public use wander bit Ive mentioned planes Id like build frustra tion allayed guys build themlike Koerners electric-powered Udet Flamingo accompanying photo Heinz built longwinged Connie four electric mo tors Connie true bird sail plane compared DC-7 full-size ones So back Eldon Wilson amused mention electric-powered Connie see has done question done right friend Little George Mcintyre chief pilot Lockheed during Connie series During later years Super Connie referred P-80 jocks granddad day P-SO operator did Im melmann turn takeoff younger guys went ape Author Blue Angels did Bearcats part actand close ground Well George didnt see thing hot about offered wager months pay same thing Connie done George did retire insistence FAA after 33 years said ready anyway Daredevil wing loading power far less favorable P-SO Super Connie emptythis guy would have know Author Don task live Cuban Air Force bought Vegas installed radio loops top instead under nose rec ommended George went Cuba could convince move loop So took Vega up 14000 ft killed engines rolled inverted dead-sticked down 4000 ft get loop bottom demonstrate work rolled out re started landed neral convinced Dead-stick 10000 ft wasnt mentioned just normal life test pilot Little George retired now living Del Rio last log book quit 1 6000 hours still flies Beech Baron So build Connie learn what will thrill crowd Author sure hope doesnt scare wits out Heinz Koerner especially like strange types models picture says Eldon get ting back what matters Strange what am WW strange types latest Loening M-8 Sport Scale 60- 70-in plane easy transport newest Wildcat Fully functional joyed retract system Did good model cheat ing bird-on-a-string capable anything book scheme llke Confederate Air Force VF-41 Ranger back 1940 green tail gray body yellow wings white bands cowltotally scratch Nye three-views Author Nye plans MAN Confederate colonel flies Wildcat fuli-size PXJ Bar 9044 Little ROCke Apknnen 7221Q501 224-8044
Edition: Model Aviation - 1984/02
Page Numbers: 10, 12, 14, 117, 118
SatE bnwsflrst w Working foam plastics has potential safety health problems dont report gore modeling-accident accounts Listen what plane trying tell John Preston FOAM plastic building material poses some potential health safety hazards Right outset want understand Styrofoam generic name foamed plasticsit registered trademark later Some long-time readers may remember Safety Comes First addressed subject some two years agobut readers will have us long need know about please forgive repetition thing set address sub ject again letter received during past month Jim Riggle Gladstone OR described some problems associ ated use foam plastic modelbuilding material Jim wrote have word caution also need some advice very excited last week set out cut first set foam wings cutter set up garage cut several pairs before making keeper problem came next evening cutting channels spars minicutter dining room table odor foam little stronger normal didnt think too much about hadnt produced ill effects before About three oclock next morning awoke sound sleep spinning room soon became very seasick called doctor told should take some Dramamine treat symptom probably virus affecting inner ear took Dramamine felt much better late morning talked doctor again said based quick recovery stead virus probably toxic reac tion fumes foam plastic found talking foam manu facturer product styrene expanded-bead foam melted produces phosgene gas Phosgene nerve gas used WW II symptoms phosgene poisoning tight chest coughing dont fit innerear problem guess just way affected id interested know what other gases styrene may produce melted fellow modeler told other day manufacturing process use formaldehyde released cutting process What else hidden Before cutting foam read Foam Wings Alexander RCM found no cautions about gasesnor have seen statements AMA would really appreciate comments subject Before respond Jims questions re garding what gases may released foam plastic during cutting process lets take another look what stated column some two years ago consider Model Aviation official publication AMA think can say AMA has made previous state ments about gases released during cut ting foam wings Safety Comes First column February 1982 issue Model Aviation following say about hazards cutting styrofoam Would believe Styrofoam may hazardous health Before de scribe perhaps should define what mean Styrofoam regis tered trademark Dow Chemical com pany best knowledge foam material used manufacture coffee cups ready-to-fly model aircraft What talking about usually sold large sheets varying thickness very often used home insulationbut may also purchased modelers make foam wing cores sold sheet form usually has paper covering side imprinted name Styrofoam together name manufacturer letter Ben Brackett Cincinnati OH describes what can happen un wary helping schoolteacher friend work up some boat hulls Styrofoam class project came down pre flu symptomsdrunk skunk tired achey everything elevated tempera ture Well make long story short after staying out workshop two days felt okay 15 minutes hot-wire cut ting almost put ear school teacher friend wrote Dow kind enough send enclosed book letContinued page 12 N 4 NOW TF4ATS ONE HECK OF EHAL4T fAg 10 Model Aviation II Although Bens case hazard re sulted cutting Styrofoam using hot wire same problem can occur during sawing shaping grinding operation explanation Bens misfortunes con tained Dow booklet extracts follow Styrofoam brand plastic foam made pushing chemical gas melted plastic making foam cools forms solid lightweight Sty rofoam brand plastic foam know plastic hannless polystyrene gas methyl chloridea chemical gas can represent potential hazard breathe too much Most methyl chloride gas escapes Styrofoam brand plastic foam before work some stays locked cut saw Styrofoam brand plastic foam foam walls broken letting out gas can cause problem too much gas released stays work area Some first signs overexposure methyl chloride gas dizziness stag gering blurred vision Sometimes signs may show up day two later recovery may take several days depending amount exposure Since first results overexposure very similar being drunk person suf fering such effects will have hard time working safely Such person wont able control actions risks injury himself others avoid overexposure methyl chloride gas properly operate main tain equipment exhaust fans Practice good housekeeping keep finished pieces waste storage minimum Have plenty fresh air around operation dont work Styrofoam brand plastic foam small poorly-ventilated area room short human body designed breathe air asked operate environment polluted other gases may function too well concentration pollutants high enough may completely cease function work shops need ventilation Docs yours have exhaust fan So much dissertation two years ago Back present letter Jim Riggle appears Jims symptoms seasickness likely result overexposure methyl chloride gas rather phosgene did con sult two chemical engineers sub ject stated may possible get some phosgene formed during hotwire-cutting process temperature sufficiently high However felt likely such ill effects would result breathing methyl chloride styrene monomer Anyway bottom line avoid concentrations whatever gases released during cutting process ventilating work area last point concerning statement Continued page 14 12 Model Aviation WITH FEATURES YOU THE MODELER WANTED Box-Loc construc tion slots machine cut insure perfect fitfor engine bearers firewall farmers slots guarantee accurate alignment make fuse incredibly strong reduce building time down minutes fact Box-Loc tolerances exact fuse shown held gether rubber bands Thats precision course Box-Loc just reasons choosing Lou Andrews signature series kits Ask experienced modeler Andrews kits have reputation building easily. flying great build See Andrews kits local dealer today ht 44i signature series kits N SPAN 56 CHANNELS 3-4 ENGINE 25-40 Lightweight flat-bottom trainer flies slow stable 35 engIne Build ailerons TRAINERMASTER Thousands mode era can attest th s mode s easy fyng quckbu dng --handsome ooks SPAN 53I CHANNELS 4 ENGINE 35 45 MINIMASTER Get big performance small engines Symmetrical airfoil makes great stunter CHANNELS 4 ENGINE 45-el -I SPORTMASTER Big size fun flyl AErobatic enough used pattern competition Jim Riggles modeler friend formal dehyde released during cutting Sty rofoam believe Jims friend con fusing Styrofoam urea-formaldehyde foam UF foam both used home insulation am aware maldehyde being used during manufac ture Styrofoam UF foam used insulation wall cavities homes has shown give off formaldehyde after its installationwhich may cause eye tin tation respiratory difficulties listed carcinogen ban use UF foam insulate homes instituted US Consumer Product Safety Commission recently overturned US Cir cuit Court procedural grounds Staying subject hot-wire cutting foam products Id like remind another previous Safety Comes First column appeared June 1983 issue Model Aviation column con tained warning accompanied adver tisement hobby supply catalog poly urethane foam boards warning stated hot-wire urethane foam haz ardous gas discharged Im 100% sure composition gas Im told contains hydrogen cyanide As stated previous column isnt best thing breathing desire continue modeling ripe old age Before leaving subject fumes given off modeling products may have material effect well-being alert products sold debonding agents cured CyA glue least contains 90% acetonitrile Merck Index states should avoid breathing vapors chemical compound also may cause skin irritation letter Model Aviation Editor Publisher Carl Wheeley Tom Dixon say about monthly safety column Id like see details column safety month including insurance incident report summaries liability findings etc arc accidents feel vague warnings summaries now given explicit enough truly communicate real risks dangers involved about detailed report about people per manently damaged using Imron paint Since am health care business see risks involved kinds model ing apologize Tom other mod elers feel column prints vague warnings summaries rather in-depth accounts accidents Un fortunately much material receive use write column short details example have no reports concerning people per manently damaged result using Imron similar two-component polyurethane paints Insofar insurance incident report summaries concerned again Continued page 121 14 Model Aviation Box-Loc Construction Makes Building Easy N SPAN 45-52I CHANNELS 4 ENGINE 45-61 All-time favorite bipe because its tremendous performer Easy construction alignment 1OOE P0 BOX 721 URBANA ILcINO LEADER IN SMALL AIRFOIL TECHNOLOGY production 5 years Master Arscrew GIF Series propi equaled performance durability Injection molf nf hi glass-filled nylon consistently well-balanced 5 sizes nes new 10 xS pusher Available through 131 WINDSOR PROPELLER CO 384 TESCONI COURT handing line.the complete line decals available model anywhere youll love being handed major decals Distributors nquiries invited NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01028 TEL 413-525-4110 24 insignia sheets also letters numbers major decals available popular 40 -60sizes plus American Giant Scale size believe majordecals have comprehensive assortment available now -with sizes styles comng time pressure sensitive water transfer Well bet line CONTACT YOUR LOCAL HOeeY SHOP OR WRITE DIRECT Letters Editor ontinued vaae B going try expand program Oceanside School Dis Lrict using Academys guidelines Adopt-A-School project interesting know will very rewarding anyone cares get involved Marlin Kinning Oceanside CA Interested folks might want look ack August 1983 issue page 101 program announcement de fails Academys Public Relations Department can help get program oing area rhose Chopper Ads Though Ive looked tar wide Ive yet tind pictoral advertise ments RC Helicopter manufacturers show machines flying nor mal upright attitude Am overlooking what may obvious tact machines fly hover inverted position Only kidding boys Im getting tired standing head able appreciate what birds look like VJ opisIAJ Reader Barrons letter inspired fhe November 1983 issue two 2dvertisem en ts featured Helicopters fnverted flight Actually inverted Heli Copter flight pretty sensational stuff o can see advertisers want nake Safety/Preston have such reports However will con tact AMA HQ see have anything could value column Please aware insurance claim has yet settled cannot discussed obvious reasons prejudice legal pro ceedings readers out aware detailed accounts modeling-related accidents would appreciate hearing about Despite apparent absence details incidents described column does appear has some positive merit illustrated recent letter Gerald Myers Redway CA Geralds letter re ferred article Lee Taylor titled Land Now appeared Oc tober 1983 column message Lees article cases model will visually warn impending equip ment failure bobble glitch other unprogrammed change flight attitude Geralds letter described first flight Schoolmaster II during noticed developing tendency turn better left right Remembering Lees February 1984 121 -I - U- LL YOU SI-IUT ThAT DOOR. SAFE FLYING IS NO ACCIDENT GIANT FUN SCALE AIRCRAFT Immediate Delivery DEAL ER INQUIRIES WEL COME Send $100 catalogue Spinks Akromaster $20995 Add $1000 postage/handling * 90Span15-l7lbs * Fiberglass Cowl/Pants * Built-up Fuselage * Foam Wing * Quadra Power An Old Favorite Returns lerZ 8/C Channels Two-Meter~.7-.... Powered Glider THE SINBAD 78 78 Wingspan Sq Ares 049 Engines Coantleso teodelers flew Siohads off joto therorals 1940 era II before toe Dethermalizers Now hace lightweight P/C sostewo aod PowerAssist Pod has added Its thermalprooeo ao enttaoce Soatiogl Plan N Patters Set esces Corrptete Ptenn Stn OssenrOn RCG-1betaitee Ports Lsts Add 8200 tOn Ceiling Tore 00kb Foe esObebdo ne ahead crowb New $895 edrrue sbcsing new Plan bets 1903 toed bend t1bOtsrelrndabedn nbdtlStOrdCt WE TECHNICAL SERVICES PO Box 768U-A Atlanta Georgia 30328 USA HO~ Span 788 5mg Area 564 Sq NSOAR glider HOBBY HORN Exclasine l HOBBY HORN KiOl SENSOAR Glider kit high qbaality sit snith Machine cot sanded parts Select qoalinty balsa spruce Detailed plans written nstructrsns Far THERMAL ar SLOPE er 00 ELECTRIC POWER VALUE PRICED 51800 Conbrned Prtas1 tOts plan Nest act Wire Windsor etc Mat Nate way purclsoaed just ltd cartelkits ar plartd-Write cott far pin-icee 1936 Baeeeneer84-SS1 0938 COpper MK t-72-$39 1937 Datlalre Sptsertgt$61 1940 Raesger40 $27 1939 Mereury72-95d 1935 Miss Aererice84---$b9 8941 Pleyboy Jr-14-929 1941 Playboy Sr-80S46 1939 Passer Houee84-543 1940 Saitplase-79-- 974 8940 Sn LosgS0928 1939 Trenton Terror-72-932 1939 Zipper54-949 1939 Korda Wokefield-44- 917 MIDWAY MODEL CO benn-ktts Caesbtned or/strtp 1936 Plying Qaaker-84-$45 1937 Quaker Ftash47539 1937 Long Cabin79542 1937 Air Cbief4104b STRUCKS 1940 79 Span 835 Sq a. rU Ier SEMI-KIT Plan IncI --$3309 N uw_ Combo Putt Kit $6300 5CflLLflfl WHWIm SSO HEINKEL HElOOD 62 SOs $1000 aeeat3ANOlaas.ee~a Up $900 add $150 $800 $2090 add $225 $2901 5d0t9 add $300 $4591 $7900 odd $309 over $7090 add $400 CA Addressees odd 60 tax Send StO Visa/MC#-t-Exp Check allow up 30 dsys cheek clearance COOEwact Charges Hdl ICash OntvtAtl UPS] 4 rage 02AIALUUUC $209 PP/lot Class copy will sent free--teben requested-with order HOBBY HORN nehabby specialtieseo 75173 Moran Street [A] PO Boo 2212 Westminster Ca 92683 7t9 59303tt 8951203 122 Model Aviation message now something strange observed did just thatand managed get down unscathed An exam ination model showed rudder pushrod attachment servos par tially backed out pushrod connector So thanks Lees advice modelers via column model saved poten tial accident averted last word promoting safety RC flying field NEVER turn trans mitter until have checked see frequencies use club has transmitter impound system effectuse time no shortcut safety Just rememberwhen shoot down another fliers model turning transmitter wrong time plane may hit something somebody besides ground Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Fun/Winter Continued oaoe 26 Total land about 200 acres best just mile town truly busy place open public use wander bit Ive mentioned planes Id like build frustra tion allayed guys build themlike Koerners electric-powered Udet Flamingo accompanying photo Heinz built longwinged Connie four electric mo tors Connie true bird sail plane compared DC-7 full-size ones So back Eldon Wilson amused mention electric-powered Connie see has done question done right friend Little George Mcintyre chief pilot Lockheed during Connie series During later years Super Connie referred P-80 jocks granddad day P-SO operator did Im melmann turn takeoff younger guys went ape Author Blue Angels did Bearcats part actand close ground Well George didnt see thing hot about offered wager months pay same thing Connie done George did retire insistence FAA after 33 years said ready anyway Daredevil wing loading power far less favorable P-SO Super Connie emptythis guy would have know Author Don task live Cuban Air Force bought Vegas installed radio loops top instead under nose rec ommended George went Cuba could convince move loop So took Vega up 14000 ft killed engines rolled inverted dead-sticked down 4000 ft get loop bottom demonstrate work rolled out re started landed neral convinced Dead-stick 10000 ft wasnt mentioned just normal life test pilot Little George retired now living Del Rio last log book quit 1 6000 hours still flies Beech Baron So build Connie learn what will thrill crowd Author sure hope doesnt scare wits out Heinz Koerner especially like strange types models picture says Eldon get ting back what matters Strange what am WW strange types latest Loening M-8 Sport Scale 60- 70-in plane easy transport newest Wildcat Fully functional joyed retract system Did good model cheat ing bird-on-a-string capable anything book scheme llke Confederate Air Force VF-41 Ranger back 1940 green tail gray body yellow wings white bands cowltotally scratch Nye three-views Author Nye plans MAN Confederate colonel flies Wildcat fuli-size PXJ Bar 9044 Little ROCke Apknnen 7221Q501 224-8044
Edition: Model Aviation - 1984/02
Page Numbers: 10, 12, 14, 117, 118
SatE bnwsflrst w Working foam plastics has potential safety health problems dont report gore modeling-accident accounts Listen what plane trying tell John Preston FOAM plastic building material poses some potential health safety hazards Right outset want understand Styrofoam generic name foamed plasticsit registered trademark later Some long-time readers may remember Safety Comes First addressed subject some two years agobut readers will have us long need know about please forgive repetition thing set address sub ject again letter received during past month Jim Riggle Gladstone OR described some problems associ ated use foam plastic modelbuilding material Jim wrote have word caution also need some advice very excited last week set out cut first set foam wings cutter set up garage cut several pairs before making keeper problem came next evening cutting channels spars minicutter dining room table odor foam little stronger normal didnt think too much about hadnt produced ill effects before About three oclock next morning awoke sound sleep spinning room soon became very seasick called doctor told should take some Dramamine treat symptom probably virus affecting inner ear took Dramamine felt much better late morning talked doctor again said based quick recovery stead virus probably toxic reac tion fumes foam plastic found talking foam manu facturer product styrene expanded-bead foam melted produces phosgene gas Phosgene nerve gas used WW II symptoms phosgene poisoning tight chest coughing dont fit innerear problem guess just way affected id interested know what other gases styrene may produce melted fellow modeler told other day manufacturing process use formaldehyde released cutting process What else hidden Before cutting foam read Foam Wings Alexander RCM found no cautions about gasesnor have seen statements AMA would really appreciate comments subject Before respond Jims questions re garding what gases may released foam plastic during cutting process lets take another look what stated column some two years ago consider Model Aviation official publication AMA think can say AMA has made previous state ments about gases released during cut ting foam wings Safety Comes First column February 1982 issue Model Aviation following say about hazards cutting styrofoam Would believe Styrofoam may hazardous health Before de scribe perhaps should define what mean Styrofoam regis tered trademark Dow Chemical com pany best knowledge foam material used manufacture coffee cups ready-to-fly model aircraft What talking about usually sold large sheets varying thickness very often used home insulationbut may also purchased modelers make foam wing cores sold sheet form usually has paper covering side imprinted name Styrofoam together name manufacturer letter Ben Brackett Cincinnati OH describes what can happen un wary helping schoolteacher friend work up some boat hulls Styrofoam class project came down pre flu symptomsdrunk skunk tired achey everything elevated tempera ture Well make long story short after staying out workshop two days felt okay 15 minutes hot-wire cut ting almost put ear school teacher friend wrote Dow kind enough send enclosed book letContinued page 12 N 4 NOW TF4ATS ONE HECK OF EHAL4T fAg 10 Model Aviation II Although Bens case hazard re sulted cutting Styrofoam using hot wire same problem can occur during sawing shaping grinding operation explanation Bens misfortunes con tained Dow booklet extracts follow Styrofoam brand plastic foam made pushing chemical gas melted plastic making foam cools forms solid lightweight Sty rofoam brand plastic foam know plastic hannless polystyrene gas methyl chloridea chemical gas can represent potential hazard breathe too much Most methyl chloride gas escapes Styrofoam brand plastic foam before work some stays locked cut saw Styrofoam brand plastic foam foam walls broken letting out gas can cause problem too much gas released stays work area Some first signs overexposure methyl chloride gas dizziness stag gering blurred vision Sometimes signs may show up day two later recovery may take several days depending amount exposure Since first results overexposure very similar being drunk person suf fering such effects will have hard time working safely Such person wont able control actions risks injury himself others avoid overexposure methyl chloride gas properly operate main tain equipment exhaust fans Practice good housekeeping keep finished pieces waste storage minimum Have plenty fresh air around operation dont work Styrofoam brand plastic foam small poorly-ventilated area room short human body designed breathe air asked operate environment polluted other gases may function too well concentration pollutants high enough may completely cease function work shops need ventilation Docs yours have exhaust fan So much dissertation two years ago Back present letter Jim Riggle appears Jims symptoms seasickness likely result overexposure methyl chloride gas rather phosgene did con sult two chemical engineers sub ject stated may possible get some phosgene formed during hotwire-cutting process temperature sufficiently high However felt likely such ill effects would result breathing methyl chloride styrene monomer Anyway bottom line avoid concentrations whatever gases released during cutting process ventilating work area last point concerning statement Continued page 14 12 Model Aviation WITH FEATURES YOU THE MODELER WANTED Box-Loc construc tion slots machine cut insure perfect fitfor engine bearers firewall farmers slots guarantee accurate alignment make fuse incredibly strong reduce building time down minutes fact Box-Loc tolerances exact fuse shown held gether rubber bands Thats precision course Box-Loc just reasons choosing Lou Andrews signature series kits Ask experienced modeler Andrews kits have reputation building easily. flying great build See Andrews kits local dealer today ht 44i signature series kits N SPAN 56 CHANNELS 3-4 ENGINE 25-40 Lightweight flat-bottom trainer flies slow stable 35 engIne Build ailerons TRAINERMASTER Thousands mode era can attest th s mode s easy fyng quckbu dng --handsome ooks SPAN 53I CHANNELS 4 ENGINE 35 45 MINIMASTER Get big performance small engines Symmetrical airfoil makes great stunter CHANNELS 4 ENGINE 45-el -I SPORTMASTER Big size fun flyl AErobatic enough used pattern competition Jim Riggles modeler friend formal dehyde released during cutting Sty rofoam believe Jims friend con fusing Styrofoam urea-formaldehyde foam UF foam both used home insulation am aware maldehyde being used during manufac ture Styrofoam UF foam used insulation wall cavities homes has shown give off formaldehyde after its installationwhich may cause eye tin tation respiratory difficulties listed carcinogen ban use UF foam insulate homes instituted US Consumer Product Safety Commission recently overturned US Cir cuit Court procedural grounds Staying subject hot-wire cutting foam products Id like remind another previous Safety Comes First column appeared June 1983 issue Model Aviation column con tained warning accompanied adver tisement hobby supply catalog poly urethane foam boards warning stated hot-wire urethane foam haz ardous gas discharged Im 100% sure composition gas Im told contains hydrogen cyanide As stated previous column isnt best thing breathing desire continue modeling ripe old age Before leaving subject fumes given off modeling products may have material effect well-being alert products sold debonding agents cured CyA glue least contains 90% acetonitrile Merck Index states should avoid breathing vapors chemical compound also may cause skin irritation letter Model Aviation Editor Publisher Carl Wheeley Tom Dixon say about monthly safety column Id like see details column safety month including insurance incident report summaries liability findings etc arc accidents feel vague warnings summaries now given explicit enough truly communicate real risks dangers involved about detailed report about people per manently damaged using Imron paint Since am health care business see risks involved kinds model ing apologize Tom other mod elers feel column prints vague warnings summaries rather in-depth accounts accidents Un fortunately much material receive use write column short details example have no reports concerning people per manently damaged result using Imron similar two-component polyurethane paints Insofar insurance incident report summaries concerned again Continued page 121 14 Model Aviation Box-Loc Construction Makes Building Easy N SPAN 45-52I CHANNELS 4 ENGINE 45-61 All-time favorite bipe because its tremendous performer Easy construction alignment 1OOE P0 BOX 721 URBANA ILcINO LEADER IN SMALL AIRFOIL TECHNOLOGY production 5 years Master Arscrew GIF Series propi equaled performance durability Injection molf nf hi glass-filled nylon consistently well-balanced 5 sizes nes new 10 xS pusher Available through 131 WINDSOR PROPELLER CO 384 TESCONI COURT handing line.the complete line decals available model anywhere youll love being handed major decals Distributors nquiries invited NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01028 TEL 413-525-4110 24 insignia sheets also letters numbers major decals available popular 40 -60sizes plus American Giant Scale size believe majordecals have comprehensive assortment available now -with sizes styles comng time pressure sensitive water transfer Well bet line CONTACT YOUR LOCAL HOeeY SHOP OR WRITE DIRECT Letters Editor ontinued vaae B going try expand program Oceanside School Dis Lrict using Academys guidelines Adopt-A-School project interesting know will very rewarding anyone cares get involved Marlin Kinning Oceanside CA Interested folks might want look ack August 1983 issue page 101 program announcement de fails Academys Public Relations Department can help get program oing area rhose Chopper Ads Though Ive looked tar wide Ive yet tind pictoral advertise ments RC Helicopter manufacturers show machines flying nor mal upright attitude Am overlooking what may obvious tact machines fly hover inverted position Only kidding boys Im getting tired standing head able appreciate what birds look like VJ opisIAJ Reader Barrons letter inspired fhe November 1983 issue two 2dvertisem en ts featured Helicopters fnverted flight Actually inverted Heli Copter flight pretty sensational stuff o can see advertisers want nake Safety/Preston have such reports However will con tact AMA HQ see have anything could value column Please aware insurance claim has yet settled cannot discussed obvious reasons prejudice legal pro ceedings readers out aware detailed accounts modeling-related accidents would appreciate hearing about Despite apparent absence details incidents described column does appear has some positive merit illustrated recent letter Gerald Myers Redway CA Geralds letter re ferred article Lee Taylor titled Land Now appeared Oc tober 1983 column message Lees article cases model will visually warn impending equip ment failure bobble glitch other unprogrammed change flight attitude Geralds letter described first flight Schoolmaster II during noticed developing tendency turn better left right Remembering Lees February 1984 121 -I - U- LL YOU SI-IUT ThAT DOOR. SAFE FLYING IS NO ACCIDENT GIANT FUN SCALE AIRCRAFT Immediate Delivery DEAL ER INQUIRIES WEL COME Send $100 catalogue Spinks Akromaster $20995 Add $1000 postage/handling * 90Span15-l7lbs * Fiberglass Cowl/Pants * Built-up Fuselage * Foam Wing * Quadra Power An Old Favorite Returns lerZ 8/C Channels Two-Meter~.7-.... Powered Glider THE SINBAD 78 78 Wingspan Sq Ares 049 Engines Coantleso teodelers flew Siohads off joto therorals 1940 era II before toe Dethermalizers Now hace lightweight P/C sostewo aod PowerAssist Pod has added Its thermalprooeo ao enttaoce Soatiogl Plan N Patters Set esces Corrptete Ptenn Stn OssenrOn RCG-1betaitee Ports Lsts Add 8200 tOn Ceiling Tore 00kb Foe esObebdo ne ahead crowb New $895 edrrue sbcsing new Plan bets 1903 toed bend t1bOtsrelrndabedn nbdtlStOrdCt WE TECHNICAL SERVICES PO Box 768U-A Atlanta Georgia 30328 USA HO~ Span 788 5mg Area 564 Sq NSOAR glider HOBBY HORN Exclasine l HOBBY HORN KiOl SENSOAR Glider kit high qbaality sit snith Machine cot sanded parts Select qoalinty balsa spruce Detailed plans written nstructrsns Far THERMAL ar SLOPE er 00 ELECTRIC POWER VALUE PRICED 51800 Conbrned Prtas1 tOts plan Nest act Wire Windsor etc Mat Nate way purclsoaed just ltd cartelkits ar plartd-Write cott far pin-icee 1936 Baeeeneer84-SS1 0938 COpper MK t-72-$39 1937 Datlalre Sptsertgt$61 1940 Raesger40 $27 1939 Mereury72-95d 1935 Miss Aererice84---$b9 8941 Pleyboy Jr-14-929 1941 Playboy Sr-80S46 1939 Passer Houee84-543 1940 Saitplase-79-- 974 8940 Sn LosgS0928 1939 Trenton Terror-72-932 1939 Zipper54-949 1939 Korda Wokefield-44- 917 MIDWAY MODEL CO benn-ktts Caesbtned or/strtp 1936 Plying Qaaker-84-$45 1937 Quaker Ftash47539 1937 Long Cabin79542 1937 Air Cbief4104b STRUCKS 1940 79 Span 835 Sq a. rU Ier SEMI-KIT Plan IncI --$3309 N uw_ Combo Putt Kit $6300 5CflLLflfl WHWIm SSO HEINKEL HElOOD 62 SOs $1000 aeeat3ANOlaas.ee~a Up $900 add $150 $800 $2090 add $225 $2901 5d0t9 add $300 $4591 $7900 odd $309 over $7090 add $400 CA Addressees odd 60 tax Send StO Visa/MC#-t-Exp Check allow up 30 dsys cheek clearance COOEwact Charges Hdl ICash OntvtAtl UPS] 4 rage 02AIALUUUC $209 PP/lot Class copy will sent free--teben requested-with order HOBBY HORN nehabby specialtieseo 75173 Moran Street [A] PO Boo 2212 Westminster Ca 92683 7t9 59303tt 8951203 122 Model Aviation message now something strange observed did just thatand managed get down unscathed An exam ination model showed rudder pushrod attachment servos par tially backed out pushrod connector So thanks Lees advice modelers via column model saved poten tial accident averted last word promoting safety RC flying field NEVER turn trans mitter until have checked see frequencies use club has transmitter impound system effectuse time no shortcut safety Just rememberwhen shoot down another fliers model turning transmitter wrong time plane may hit something somebody besides ground Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Fun/Winter Continued oaoe 26 Total land about 200 acres best just mile town truly busy place open public use wander bit Ive mentioned planes Id like build frustra tion allayed guys build themlike Koerners electric-powered Udet Flamingo accompanying photo Heinz built longwinged Connie four electric mo tors Connie true bird sail plane compared DC-7 full-size ones So back Eldon Wilson amused mention electric-powered Connie see has done question done right friend Little George Mcintyre chief pilot Lockheed during Connie series During later years Super Connie referred P-80 jocks granddad day P-SO operator did Im melmann turn takeoff younger guys went ape Author Blue Angels did Bearcats part actand close ground Well George didnt see thing hot about offered wager months pay same thing Connie done George did retire insistence FAA after 33 years said ready anyway Daredevil wing loading power far less favorable P-SO Super Connie emptythis guy would have know Author Don task live Cuban Air Force bought Vegas installed radio loops top instead under nose rec ommended George went Cuba could convince move loop So took Vega up 14000 ft killed engines rolled inverted dead-sticked down 4000 ft get loop bottom demonstrate work rolled out re started landed neral convinced Dead-stick 10000 ft wasnt mentioned just normal life test pilot Little George retired now living Del Rio last log book quit 1 6000 hours still flies Beech Baron So build Connie learn what will thrill crowd Author sure hope doesnt scare wits out Heinz Koerner especially like strange types models picture says Eldon get ting back what matters Strange what am WW strange types latest Loening M-8 Sport Scale 60- 70-in plane easy transport newest Wildcat Fully functional joyed retract system Did good model cheat ing bird-on-a-string capable anything book scheme llke Confederate Air Force VF-41 Ranger back 1940 green tail gray body yellow wings white bands cowltotally scratch Nye three-views Author Nye plans MAN Confederate colonel flies Wildcat fuli-size PXJ Bar 9044 Little ROCke Apknnen 7221Q501 224-8044
Edition: Model Aviation - 1984/02
Page Numbers: 10, 12, 14, 117, 118
SatE bnwsflrst w Working foam plastics has potential safety health problems dont report gore modeling-accident accounts Listen what plane trying tell John Preston FOAM plastic building material poses some potential health safety hazards Right outset want understand Styrofoam generic name foamed plasticsit registered trademark later Some long-time readers may remember Safety Comes First addressed subject some two years agobut readers will have us long need know about please forgive repetition thing set address sub ject again letter received during past month Jim Riggle Gladstone OR described some problems associ ated use foam plastic modelbuilding material Jim wrote have word caution also need some advice very excited last week set out cut first set foam wings cutter set up garage cut several pairs before making keeper problem came next evening cutting channels spars minicutter dining room table odor foam little stronger normal didnt think too much about hadnt produced ill effects before About three oclock next morning awoke sound sleep spinning room soon became very seasick called doctor told should take some Dramamine treat symptom probably virus affecting inner ear took Dramamine felt much better late morning talked doctor again said based quick recovery stead virus probably toxic reac tion fumes foam plastic found talking foam manu facturer product styrene expanded-bead foam melted produces phosgene gas Phosgene nerve gas used WW II symptoms phosgene poisoning tight chest coughing dont fit innerear problem guess just way affected id interested know what other gases styrene may produce melted fellow modeler told other day manufacturing process use formaldehyde released cutting process What else hidden Before cutting foam read Foam Wings Alexander RCM found no cautions about gasesnor have seen statements AMA would really appreciate comments subject Before respond Jims questions re garding what gases may released foam plastic during cutting process lets take another look what stated column some two years ago consider Model Aviation official publication AMA think can say AMA has made previous state ments about gases released during cut ting foam wings Safety Comes First column February 1982 issue Model Aviation following say about hazards cutting styrofoam Would believe Styrofoam may hazardous health Before de scribe perhaps should define what mean Styrofoam regis tered trademark Dow Chemical com pany best knowledge foam material used manufacture coffee cups ready-to-fly model aircraft What talking about usually sold large sheets varying thickness very often used home insulationbut may also purchased modelers make foam wing cores sold sheet form usually has paper covering side imprinted name Styrofoam together name manufacturer letter Ben Brackett Cincinnati OH describes what can happen un wary helping schoolteacher friend work up some boat hulls Styrofoam class project came down pre flu symptomsdrunk skunk tired achey everything elevated tempera ture Well make long story short after staying out workshop two days felt okay 15 minutes hot-wire cut ting almost put ear school teacher friend wrote Dow kind enough send enclosed book letContinued page 12 N 4 NOW TF4ATS ONE HECK OF EHAL4T fAg 10 Model Aviation II Although Bens case hazard re sulted cutting Styrofoam using hot wire same problem can occur during sawing shaping grinding operation explanation Bens misfortunes con tained Dow booklet extracts follow Styrofoam brand plastic foam made pushing chemical gas melted plastic making foam cools forms solid lightweight Sty rofoam brand plastic foam know plastic hannless polystyrene gas methyl chloridea chemical gas can represent potential hazard breathe too much Most methyl chloride gas escapes Styrofoam brand plastic foam before work some stays locked cut saw Styrofoam brand plastic foam foam walls broken letting out gas can cause problem too much gas released stays work area Some first signs overexposure methyl chloride gas dizziness stag gering blurred vision Sometimes signs may show up day two later recovery may take several days depending amount exposure Since first results overexposure very similar being drunk person suf fering such effects will have hard time working safely Such person wont able control actions risks injury himself others avoid overexposure methyl chloride gas properly operate main tain equipment exhaust fans Practice good housekeeping keep finished pieces waste storage minimum Have plenty fresh air around operation dont work Styrofoam brand plastic foam small poorly-ventilated area room short human body designed breathe air asked operate environment polluted other gases may function too well concentration pollutants high enough may completely cease function work shops need ventilation Docs yours have exhaust fan So much dissertation two years ago Back present letter Jim Riggle appears Jims symptoms seasickness likely result overexposure methyl chloride gas rather phosgene did con sult two chemical engineers sub ject stated may possible get some phosgene formed during hotwire-cutting process temperature sufficiently high However felt likely such ill effects would result breathing methyl chloride styrene monomer Anyway bottom line avoid concentrations whatever gases released during cutting process ventilating work area last point concerning statement Continued page 14 12 Model Aviation WITH FEATURES YOU THE MODELER WANTED Box-Loc construc tion slots machine cut insure perfect fitfor engine bearers firewall farmers slots guarantee accurate alignment make fuse incredibly strong reduce building time down minutes fact Box-Loc tolerances exact fuse shown held gether rubber bands Thats precision course Box-Loc just reasons choosing Lou Andrews signature series kits Ask experienced modeler Andrews kits have reputation building easily. flying great build See Andrews kits local dealer today ht 44i signature series kits N SPAN 56 CHANNELS 3-4 ENGINE 25-40 Lightweight flat-bottom trainer flies slow stable 35 engIne Build ailerons TRAINERMASTER Thousands mode era can attest th s mode s easy fyng quckbu dng --handsome ooks SPAN 53I CHANNELS 4 ENGINE 35 45 MINIMASTER Get big performance small engines Symmetrical airfoil makes great stunter CHANNELS 4 ENGINE 45-el -I SPORTMASTER Big size fun flyl AErobatic enough used pattern competition Jim Riggles modeler friend formal dehyde released during cutting Sty rofoam believe Jims friend con fusing Styrofoam urea-formaldehyde foam UF foam both used home insulation am aware maldehyde being used during manufac ture Styrofoam UF foam used insulation wall cavities homes has shown give off formaldehyde after its installationwhich may cause eye tin tation respiratory difficulties listed carcinogen ban use UF foam insulate homes instituted US Consumer Product Safety Commission recently overturned US Cir cuit Court procedural grounds Staying subject hot-wire cutting foam products Id like remind another previous Safety Comes First column appeared June 1983 issue Model Aviation column con tained warning accompanied adver tisement hobby supply catalog poly urethane foam boards warning stated hot-wire urethane foam haz ardous gas discharged Im 100% sure composition gas Im told contains hydrogen cyanide As stated previous column isnt best thing breathing desire continue modeling ripe old age Before leaving subject fumes given off modeling products may have material effect well-being alert products sold debonding agents cured CyA glue least contains 90% acetonitrile Merck Index states should avoid breathing vapors chemical compound also may cause skin irritation letter Model Aviation Editor Publisher Carl Wheeley Tom Dixon say about monthly safety column Id like see details column safety month including insurance incident report summaries liability findings etc arc accidents feel vague warnings summaries now given explicit enough truly communicate real risks dangers involved about detailed report about people per manently damaged using Imron paint Since am health care business see risks involved kinds model ing apologize Tom other mod elers feel column prints vague warnings summaries rather in-depth accounts accidents Un fortunately much material receive use write column short details example have no reports concerning people per manently damaged result using Imron similar two-component polyurethane paints Insofar insurance incident report summaries concerned again Continued page 121 14 Model Aviation Box-Loc Construction Makes Building Easy N SPAN 45-52I CHANNELS 4 ENGINE 45-61 All-time favorite bipe because its tremendous performer Easy construction alignment 1OOE P0 BOX 721 URBANA ILcINO LEADER IN SMALL AIRFOIL TECHNOLOGY production 5 years Master Arscrew GIF Series propi equaled performance durability Injection molf nf hi glass-filled nylon consistently well-balanced 5 sizes nes new 10 xS pusher Available through 131 WINDSOR PROPELLER CO 384 TESCONI COURT handing line.the complete line decals available model anywhere youll love being handed major decals Distributors nquiries invited NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01028 TEL 413-525-4110 24 insignia sheets also letters numbers major decals available popular 40 -60sizes plus American Giant Scale size believe majordecals have comprehensive assortment available now -with sizes styles comng time pressure sensitive water transfer Well bet line CONTACT YOUR LOCAL HOeeY SHOP OR WRITE DIRECT Letters Editor ontinued vaae B going try expand program Oceanside School Dis Lrict using Academys guidelines Adopt-A-School project interesting know will very rewarding anyone cares get involved Marlin Kinning Oceanside CA Interested folks might want look ack August 1983 issue page 101 program announcement de fails Academys Public Relations Department can help get program oing area rhose Chopper Ads Though Ive looked tar wide Ive yet tind pictoral advertise ments RC Helicopter manufacturers show machines flying nor mal upright attitude Am overlooking what may obvious tact machines fly hover inverted position Only kidding boys Im getting tired standing head able appreciate what birds look like VJ opisIAJ Reader Barrons letter inspired fhe November 1983 issue two 2dvertisem en ts featured Helicopters fnverted flight Actually inverted Heli Copter flight pretty sensational stuff o can see advertisers want nake Safety/Preston have such reports However will con tact AMA HQ see have anything could value column Please aware insurance claim has yet settled cannot discussed obvious reasons prejudice legal pro ceedings readers out aware detailed accounts modeling-related accidents would appreciate hearing about Despite apparent absence details incidents described column does appear has some positive merit illustrated recent letter Gerald Myers Redway CA Geralds letter re ferred article Lee Taylor titled Land Now appeared Oc tober 1983 column message Lees article cases model will visually warn impending equip ment failure bobble glitch other unprogrammed change flight attitude Geralds letter described first flight Schoolmaster II during noticed developing tendency turn better left right Remembering Lees February 1984 121 -I - U- LL YOU SI-IUT ThAT DOOR. SAFE FLYING IS NO ACCIDENT GIANT FUN SCALE AIRCRAFT Immediate Delivery DEAL ER INQUIRIES WEL COME Send $100 catalogue Spinks Akromaster $20995 Add $1000 postage/handling * 90Span15-l7lbs * Fiberglass Cowl/Pants * Built-up Fuselage * Foam Wing * Quadra Power An Old Favorite Returns lerZ 8/C Channels Two-Meter~.7-.... Powered Glider THE SINBAD 78 78 Wingspan Sq Ares 049 Engines Coantleso teodelers flew Siohads off joto therorals 1940 era II before toe Dethermalizers Now hace lightweight P/C sostewo aod PowerAssist Pod has added Its thermalprooeo ao enttaoce Soatiogl Plan N Patters Set esces Corrptete Ptenn Stn OssenrOn RCG-1betaitee Ports Lsts Add 8200 tOn Ceiling Tore 00kb Foe esObebdo ne ahead crowb New $895 edrrue sbcsing new Plan bets 1903 toed bend t1bOtsrelrndabedn nbdtlStOrdCt WE TECHNICAL SERVICES PO Box 768U-A Atlanta Georgia 30328 USA HO~ Span 788 5mg Area 564 Sq NSOAR glider HOBBY HORN Exclasine l HOBBY HORN KiOl SENSOAR Glider kit high qbaality sit snith Machine cot sanded parts Select qoalinty balsa spruce Detailed plans written nstructrsns Far THERMAL ar SLOPE er 00 ELECTRIC POWER VALUE PRICED 51800 Conbrned Prtas1 tOts plan Nest act Wire Windsor etc Mat Nate way purclsoaed just ltd cartelkits ar plartd-Write cott far pin-icee 1936 Baeeeneer84-SS1 0938 COpper MK t-72-$39 1937 Datlalre Sptsertgt$61 1940 Raesger40 $27 1939 Mereury72-95d 1935 Miss Aererice84---$b9 8941 Pleyboy Jr-14-929 1941 Playboy Sr-80S46 1939 Passer Houee84-543 1940 Saitplase-79-- 974 8940 Sn LosgS0928 1939 Trenton Terror-72-932 1939 Zipper54-949 1939 Korda Wokefield-44- 917 MIDWAY MODEL CO benn-ktts Caesbtned or/strtp 1936 Plying Qaaker-84-$45 1937 Quaker Ftash47539 1937 Long Cabin79542 1937 Air Cbief4104b STRUCKS 1940 79 Span 835 Sq a. rU Ier SEMI-KIT Plan IncI --$3309 N uw_ Combo Putt Kit $6300 5CflLLflfl WHWIm SSO HEINKEL HElOOD 62 SOs $1000 aeeat3ANOlaas.ee~a Up $900 add $150 $800 $2090 add $225 $2901 5d0t9 add $300 $4591 $7900 odd $309 over $7090 add $400 CA Addressees odd 60 tax Send StO Visa/MC#-t-Exp Check allow up 30 dsys cheek clearance COOEwact Charges Hdl ICash OntvtAtl UPS] 4 rage 02AIALUUUC $209 PP/lot Class copy will sent free--teben requested-with order HOBBY HORN nehabby specialtieseo 75173 Moran Street [A] PO Boo 2212 Westminster Ca 92683 7t9 59303tt 8951203 122 Model Aviation message now something strange observed did just thatand managed get down unscathed An exam ination model showed rudder pushrod attachment servos par tially backed out pushrod connector So thanks Lees advice modelers via column model saved poten tial accident averted last word promoting safety RC flying field NEVER turn trans mitter until have checked see frequencies use club has transmitter impound system effectuse time no shortcut safety Just rememberwhen shoot down another fliers model turning transmitter wrong time plane may hit something somebody besides ground Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Fun/Winter Continued oaoe 26 Total land about 200 acres best just mile town truly busy place open public use wander bit Ive mentioned planes Id like build frustra tion allayed guys build themlike Koerners electric-powered Udet Flamingo accompanying photo Heinz built longwinged Connie four electric mo tors Connie true bird sail plane compared DC-7 full-size ones So back Eldon Wilson amused mention electric-powered Connie see has done question done right friend Little George Mcintyre chief pilot Lockheed during Connie series During later years Super Connie referred P-80 jocks granddad day P-SO operator did Im melmann turn takeoff younger guys went ape Author Blue Angels did Bearcats part actand close ground Well George didnt see thing hot about offered wager months pay same thing Connie done George did retire insistence FAA after 33 years said ready anyway Daredevil wing loading power far less favorable P-SO Super Connie emptythis guy would have know Author Don task live Cuban Air Force bought Vegas installed radio loops top instead under nose rec ommended George went Cuba could convince move loop So took Vega up 14000 ft killed engines rolled inverted dead-sticked down 4000 ft get loop bottom demonstrate work rolled out re started landed neral convinced Dead-stick 10000 ft wasnt mentioned just normal life test pilot Little George retired now living Del Rio last log book quit 1 6000 hours still flies Beech Baron So build Connie learn what will thrill crowd Author sure hope doesnt scare wits out Heinz Koerner especially like strange types models picture says Eldon get ting back what matters Strange what am WW strange types latest Loening M-8 Sport Scale 60- 70-in plane easy transport newest Wildcat Fully functional joyed retract system Did good model cheat ing bird-on-a-string capable anything book scheme llke Confederate Air Force VF-41 Ranger back 1940 green tail gray body yellow wings white bands cowltotally scratch Nye three-views Author Nye plans MAN Confederate colonel flies Wildcat fuli-size PXJ Bar 9044 Little ROCke Apknnen 7221Q501 224-8044
Edition: Model Aviation - 1984/02
Page Numbers: 10, 12, 14, 117, 118
SatE bnwsflrst w Working foam plastics has potential safety health problems dont report gore modeling-accident accounts Listen what plane trying tell John Preston FOAM plastic building material poses some potential health safety hazards Right outset want understand Styrofoam generic name foamed plasticsit registered trademark later Some long-time readers may remember Safety Comes First addressed subject some two years agobut readers will have us long need know about please forgive repetition thing set address sub ject again letter received during past month Jim Riggle Gladstone OR described some problems associ ated use foam plastic modelbuilding material Jim wrote have word caution also need some advice very excited last week set out cut first set foam wings cutter set up garage cut several pairs before making keeper problem came next evening cutting channels spars minicutter dining room table odor foam little stronger normal didnt think too much about hadnt produced ill effects before About three oclock next morning awoke sound sleep spinning room soon became very seasick called doctor told should take some Dramamine treat symptom probably virus affecting inner ear took Dramamine felt much better late morning talked doctor again said based quick recovery stead virus probably toxic reac tion fumes foam plastic found talking foam manu facturer product styrene expanded-bead foam melted produces phosgene gas Phosgene nerve gas used WW II symptoms phosgene poisoning tight chest coughing dont fit innerear problem guess just way affected id interested know what other gases styrene may produce melted fellow modeler told other day manufacturing process use formaldehyde released cutting process What else hidden Before cutting foam read Foam Wings Alexander RCM found no cautions about gasesnor have seen statements AMA would really appreciate comments subject Before respond Jims questions re garding what gases may released foam plastic during cutting process lets take another look what stated column some two years ago consider Model Aviation official publication AMA think can say AMA has made previous state ments about gases released during cut ting foam wings Safety Comes First column February 1982 issue Model Aviation following say about hazards cutting styrofoam Would believe Styrofoam may hazardous health Before de scribe perhaps should define what mean Styrofoam regis tered trademark Dow Chemical com pany best knowledge foam material used manufacture coffee cups ready-to-fly model aircraft What talking about usually sold large sheets varying thickness very often used home insulationbut may also purchased modelers make foam wing cores sold sheet form usually has paper covering side imprinted name Styrofoam together name manufacturer letter Ben Brackett Cincinnati OH describes what can happen un wary helping schoolteacher friend work up some boat hulls Styrofoam class project came down pre flu symptomsdrunk skunk tired achey everything elevated tempera ture Well make long story short after staying out workshop two days felt okay 15 minutes hot-wire cut ting almost put ear school teacher friend wrote Dow kind enough send enclosed book letContinued page 12 N 4 NOW TF4ATS ONE HECK OF EHAL4T fAg 10 Model Aviation II Although Bens case hazard re sulted cutting Styrofoam using hot wire same problem can occur during sawing shaping grinding operation explanation Bens misfortunes con tained Dow booklet extracts follow Styrofoam brand plastic foam made pushing chemical gas melted plastic making foam cools forms solid lightweight Sty rofoam brand plastic foam know plastic hannless polystyrene gas methyl chloridea chemical gas can represent potential hazard breathe too much Most methyl chloride gas escapes Styrofoam brand plastic foam before work some stays locked cut saw Styrofoam brand plastic foam foam walls broken letting out gas can cause problem too much gas released stays work area Some first signs overexposure methyl chloride gas dizziness stag gering blurred vision Sometimes signs may show up day two later recovery may take several days depending amount exposure Since first results overexposure very similar being drunk person suf fering such effects will have hard time working safely Such person wont able control actions risks injury himself others avoid overexposure methyl chloride gas properly operate main tain equipment exhaust fans Practice good housekeeping keep finished pieces waste storage minimum Have plenty fresh air around operation dont work Styrofoam brand plastic foam small poorly-ventilated area room short human body designed breathe air asked operate environment polluted other gases may function too well concentration pollutants high enough may completely cease function work shops need ventilation Docs yours have exhaust fan So much dissertation two years ago Back present letter Jim Riggle appears Jims symptoms seasickness likely result overexposure methyl chloride gas rather phosgene did con sult two chemical engineers sub ject stated may possible get some phosgene formed during hotwire-cutting process temperature sufficiently high However felt likely such ill effects would result breathing methyl chloride styrene monomer Anyway bottom line avoid concentrations whatever gases released during cutting process ventilating work area last point concerning statement Continued page 14 12 Model Aviation WITH FEATURES YOU THE MODELER WANTED Box-Loc construc tion slots machine cut insure perfect fitfor engine bearers firewall farmers slots guarantee accurate alignment make fuse incredibly strong reduce building time down minutes fact Box-Loc tolerances exact fuse shown held gether rubber bands Thats precision course Box-Loc just reasons choosing Lou Andrews signature series kits Ask experienced modeler Andrews kits have reputation building easily. flying great build See Andrews kits local dealer today ht 44i signature series kits N SPAN 56 CHANNELS 3-4 ENGINE 25-40 Lightweight flat-bottom trainer flies slow stable 35 engIne Build ailerons TRAINERMASTER Thousands mode era can attest th s mode s easy fyng quckbu dng --handsome ooks SPAN 53I CHANNELS 4 ENGINE 35 45 MINIMASTER Get big performance small engines Symmetrical airfoil makes great stunter CHANNELS 4 ENGINE 45-el -I SPORTMASTER Big size fun flyl AErobatic enough used pattern competition Jim Riggles modeler friend formal dehyde released during cutting Sty rofoam believe Jims friend con fusing Styrofoam urea-formaldehyde foam UF foam both used home insulation am aware maldehyde being used during manufac ture Styrofoam UF foam used insulation wall cavities homes has shown give off formaldehyde after its installationwhich may cause eye tin tation respiratory difficulties listed carcinogen ban use UF foam insulate homes instituted US Consumer Product Safety Commission recently overturned US Cir cuit Court procedural grounds Staying subject hot-wire cutting foam products Id like remind another previous Safety Comes First column appeared June 1983 issue Model Aviation column con tained warning accompanied adver tisement hobby supply catalog poly urethane foam boards warning stated hot-wire urethane foam haz ardous gas discharged Im 100% sure composition gas Im told contains hydrogen cyanide As stated previous column isnt best thing breathing desire continue modeling ripe old age Before leaving subject fumes given off modeling products may have material effect well-being alert products sold debonding agents cured CyA glue least contains 90% acetonitrile Merck Index states should avoid breathing vapors chemical compound also may cause skin irritation letter Model Aviation Editor Publisher Carl Wheeley Tom Dixon say about monthly safety column Id like see details column safety month including insurance incident report summaries liability findings etc arc accidents feel vague warnings summaries now given explicit enough truly communicate real risks dangers involved about detailed report about people per manently damaged using Imron paint Since am health care business see risks involved kinds model ing apologize Tom other mod elers feel column prints vague warnings summaries rather in-depth accounts accidents Un fortunately much material receive use write column short details example have no reports concerning people per manently damaged result using Imron similar two-component polyurethane paints Insofar insurance incident report summaries concerned again Continued page 121 14 Model Aviation Box-Loc Construction Makes Building Easy N SPAN 45-52I CHANNELS 4 ENGINE 45-61 All-time favorite bipe because its tremendous performer Easy construction alignment 1OOE P0 BOX 721 URBANA ILcINO LEADER IN SMALL AIRFOIL TECHNOLOGY production 5 years Master Arscrew GIF Series propi equaled performance durability Injection molf nf hi glass-filled nylon consistently well-balanced 5 sizes nes new 10 xS pusher Available through 131 WINDSOR PROPELLER CO 384 TESCONI COURT handing line.the complete line decals available model anywhere youll love being handed major decals Distributors nquiries invited NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST LONOMEADOW MA 01028 TEL 413-525-4110 24 insignia sheets also letters numbers major decals available popular 40 -60sizes plus American Giant Scale size believe majordecals have comprehensive assortment available now -with sizes styles comng time pressure sensitive water transfer Well bet line CONTACT YOUR LOCAL HOeeY SHOP OR WRITE DIRECT Letters Editor ontinued vaae B going try expand program Oceanside School Dis Lrict using Academys guidelines Adopt-A-School project interesting know will very rewarding anyone cares get involved Marlin Kinning Oceanside CA Interested folks might want look ack August 1983 issue page 101 program announcement de fails Academys Public Relations Department can help get program oing area rhose Chopper Ads Though Ive looked tar wide Ive yet tind pictoral advertise ments RC Helicopter manufacturers show machines flying nor mal upright attitude Am overlooking what may obvious tact machines fly hover inverted position Only kidding boys Im getting tired standing head able appreciate what birds look like VJ opisIAJ Reader Barrons letter inspired fhe November 1983 issue two 2dvertisem en ts featured Helicopters fnverted flight Actually inverted Heli Copter flight pretty sensational stuff o can see advertisers want nake Safety/Preston have such reports However will con tact AMA HQ see have anything could value column Please aware insurance claim has yet settled cannot discussed obvious reasons prejudice legal pro ceedings readers out aware detailed accounts modeling-related accidents would appreciate hearing about Despite apparent absence details incidents described column does appear has some positive merit illustrated recent letter Gerald Myers Redway CA Geralds letter re ferred article Lee Taylor titled Land Now appeared Oc tober 1983 column message Lees article cases model will visually warn impending equip ment failure bobble glitch other unprogrammed change flight attitude Geralds letter described first flight Schoolmaster II during noticed developing tendency turn better left right Remembering Lees February 1984 121 -I - U- LL YOU SI-IUT ThAT DOOR. SAFE FLYING IS NO ACCIDENT GIANT FUN SCALE AIRCRAFT Immediate Delivery DEAL ER INQUIRIES WEL COME Send $100 catalogue Spinks Akromaster $20995 Add $1000 postage/handling * 90Span15-l7lbs * Fiberglass Cowl/Pants * Built-up Fuselage * Foam Wing * Quadra Power An Old Favorite Returns lerZ 8/C Channels Two-Meter~.7-.... Powered Glider THE SINBAD 78 78 Wingspan Sq Ares 049 Engines Coantleso teodelers flew Siohads off joto therorals 1940 era II before toe Dethermalizers Now hace lightweight P/C sostewo aod PowerAssist Pod has added Its thermalprooeo ao enttaoce Soatiogl Plan N Patters Set esces Corrptete Ptenn Stn OssenrOn RCG-1betaitee Ports Lsts Add 8200 tOn Ceiling Tore 00kb Foe esObebdo ne ahead crowb New $895 edrrue sbcsing new Plan bets 1903 toed bend t1bOtsrelrndabedn nbdtlStOrdCt WE TECHNICAL SERVICES PO Box 768U-A Atlanta Georgia 30328 USA HO~ Span 788 5mg Area 564 Sq NSOAR glider HOBBY HORN Exclasine l HOBBY HORN KiOl SENSOAR Glider kit high qbaality sit snith Machine cot sanded parts Select qoalinty balsa spruce Detailed plans written nstructrsns Far THERMAL ar SLOPE er 00 ELECTRIC POWER VALUE PRICED 51800 Conbrned Prtas1 tOts plan Nest act Wire Windsor etc Mat Nate way purclsoaed just ltd cartelkits ar plartd-Write cott far pin-icee 1936 Baeeeneer84-SS1 0938 COpper MK t-72-$39 1937 Datlalre Sptsertgt$61 1940 Raesger40 $27 1939 Mereury72-95d 1935 Miss Aererice84---$b9 8941 Pleyboy Jr-14-929 1941 Playboy Sr-80S46 1939 Passer Houee84-543 1940 Saitplase-79-- 974 8940 Sn LosgS0928 1939 Trenton Terror-72-932 1939 Zipper54-949 1939 Korda Wokefield-44- 917 MIDWAY MODEL CO benn-ktts Caesbtned or/strtp 1936 Plying Qaaker-84-$45 1937 Quaker Ftash47539 1937 Long Cabin79542 1937 Air Cbief4104b STRUCKS 1940 79 Span 835 Sq a. rU Ier SEMI-KIT Plan IncI --$3309 N uw_ Combo Putt Kit $6300 5CflLLflfl WHWIm SSO HEINKEL HElOOD 62 SOs $1000 aeeat3ANOlaas.ee~a Up $900 add $150 $800 $2090 add $225 $2901 5d0t9 add $300 $4591 $7900 odd $309 over $7090 add $400 CA Addressees odd 60 tax Send StO Visa/MC#-t-Exp Check allow up 30 dsys cheek clearance COOEwact Charges Hdl ICash OntvtAtl UPS] 4 rage 02AIALUUUC $209 PP/lot Class copy will sent free--teben requested-with order HOBBY HORN nehabby specialtieseo 75173 Moran Street [A] PO Boo 2212 Westminster Ca 92683 7t9 59303tt 8951203 122 Model Aviation message now something strange observed did just thatand managed get down unscathed An exam ination model showed rudder pushrod attachment servos par tially backed out pushrod connector So thanks Lees advice modelers via column model saved poten tial accident averted last word promoting safety RC flying field NEVER turn trans mitter until have checked see frequencies use club has transmitter impound system effectuse time no shortcut safety Just rememberwhen shoot down another fliers model turning transmitter wrong time plane may hit something somebody besides ground Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston VA 22090 Fun/Winter Continued oaoe 26 Total land about 200 acres best just mile town truly busy place open public use wander bit Ive mentioned planes Id like build frustra tion allayed guys build themlike Koerners electric-powered Udet Flamingo accompanying photo Heinz built longwinged Connie four electric mo tors Connie true bird sail plane compared DC-7 full-size ones So back Eldon Wilson amused mention electric-powered Connie see has done question done right friend Little George Mcintyre chief pilot Lockheed during Connie series During later years Super Connie referred P-80 jocks granddad day P-SO operator did Im melmann turn takeoff younger guys went ape Author Blue Angels did Bearcats part actand close ground Well George didnt see thing hot about offered wager months pay same thing Connie done George did retire insistence FAA after 33 years said ready anyway Daredevil wing loading power far less favorable P-SO Super Connie emptythis guy would have know Author Don task live Cuban Air Force bought Vegas installed radio loops top instead under nose rec ommended George went Cuba could convince move loop So took Vega up 14000 ft killed engines rolled inverted dead-sticked down 4000 ft get loop bottom demonstrate work rolled out re started landed neral convinced Dead-stick 10000 ft wasnt mentioned just normal life test pilot Little George retired now living Del Rio last log book quit 1 6000 hours still flies Beech Baron So build Connie learn what will thrill crowd Author sure hope doesnt scare wits out Heinz Koerner especially like strange types models picture says Eldon get ting back what matters Strange what am WW strange types latest Loening M-8 Sport Scale 60- 70-in plane easy transport newest Wildcat Fully functional joyed retract system Did good model cheat ing bird-on-a-string capable anything book scheme llke Confederate Air Force VF-41 Ranger back 1940 green tail gray body yellow wings white bands cowltotally scratch Nye three-views Author Nye plans MAN Confederate colonel flies Wildcat fuli-size PXJ Bar 9044 Little ROCke Apknnen 7221Q501 224-8044