instant CyA glues revisited CYANOACRYLATE GLUE months Safe ty column reprint appeared October 1985 issue Model Aviation entirely devoted possible health hazard presented use CyA glue eight years Ive writing col umn have never previously recycled en tire column reason Im doing now cause letters received model ers asked copies October 85 column mentioned January 1988 column such available upon request have readers since before October 1985 apologize repeat ever think following material sufficiently important new AMA members oth ers may have seen previously jus tify rerun go Can use CyA glue pose health hazardor have number articles mod eling magazines club newslet ters have alleged cyanoacrylate stant glues may represent health hazard user column has previously reprinted nu merous accounts readers have related tales sticking various body parts together using such glues now think readers must well aware minor problem what am going address column Back April 1985 issue Model Avia tion quoted excerpts letter Roy McGuckin stated stop using CyA glue because problems experi enced severe lung congestion hivelike itching over body Since publication Roys experiences column numerous other readers have called written describe similar symptoms basis no smoke fire decided try track down allegations symp toms result using CyA glue sent letters three hobby distributors CyA glue Center Occupational Haz ards New York City letters described symptoms modelers outlined let ters asked comments whether symptoms really could result using CyA glue products Letters response mentioned need ADEQUATE VENTILATION using cya noacrylate glue Center Occupational Hazards stated Both common cyanoacry lates methyl-2 ethyl-2-cyanoacrylate credibly irritating causing tearing eyes damage membranes respiratory sys tem hobby distributors cyanoacrylate products sent some information cluded summary study Eastman Kodak Company study 14 individuals delib erately exposed vapors cyanoacrylates results .. ed odor cyanoacrylate perceptible about part per million ppm some subjects range five ppm Following perception odor throat nose irritation usually re ported begin levels about two three ppm range throat nose irritation two 20 ppm Based studies researchers con cluded exposures should probably limited levels three ppm less consistent Material Safety Data Sheet concerning specific brand ethyl-2-cyanoacrylate re ceived Center Occupational Hazards stated supplier recommends Threshold Limit Value TLV two ppm point may well wondering level relates what might expect workshop quote letter C OH highiy unlikely hobbyists work ing ordinary home studio environments can keep exposures below level work very long result overexposure can respiratory irritation sufficient cause much stuffiness discomfort can also leave respiratory tract susceptible colds infec tions readers would well-advised use some exhaust ventilation such working front window exhaust fan working glue Several letters Ive received read ers experienced breathing difficulties after heavy use CyA glue stated doctors skeptical problems result use such glue Apparently lit tle no information medical literature con cerning respiratory irritation resulting use cyanoacrylate glue doctor skeptics might want refer him May 1985 issue Annals Internal Medicine Vol 102 No 5 pages 613 615 featured case re port titled Asthma Rhinitis Due Ethylcy anoacrylate Instant Glue authored several doctors University Cincinnati Medical Center summary case reads follows 32-year-old man developed asthma due cyanoacrylate ester instant glue used building remote-control model alrplanes Typical asthma rhinitis symptoms developed after year using adhesive Delayed onset symptoms consistently related application glue balsa wood Bronchial provocation glue vapors manner simulating home ex posure resulted late asthmatic response rhinorrhea lacrimation Increased bronchial Continued page 16 14 Model Aviation Potential health hazards use Ji NOW TI4AT WI4AT [ CALL MrFTN WALL OF WNDI NI N AMA MEMBERS THE ALL NEW 11th EDITION RadioControl Buyeis Guide IS HOT OFF THE PRESS Hobbyists Guide World Radio Control have visited AMA Museum let Radio Control Buyers Guide take See eight pages full color models photo graphed AMA Museum plus much THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft s os Systems nes ware s Finishing Materials ssories Videos Dealers local hobby shop does stock copies Guide please send request payment $1495 $1195 postage/handling RADIO CONTROL BUYERS GUIDE 14101 Parke Ct Suite G Chantilly VA 22021 may use VISA MasterCard charge payment sending card number expiration date order ASTRO FLIGHT 5VSTFMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ 8920 ChallerrgerCobalt7celI 05 Direct $10621 Challenger CobaS 12 cell 15 Direct $14020 Challenger CobaC 14 cell 25 Direct $1 570 Challenger Cobah 18 cell 40 Direct $19540 Challenger Cobae 24 cell 60 Direct $28471 AsITo DC/DC Super Charger oplo 28 cells Aslro AC/DC Charger current adust Astro DC/DC Charger Antrh Electric Throttle Astro On-Ott Motor Control Electronic AQQESQRL Andernon Power Pole Connector 4 housings / 4 pins Gold Pin Moleo Connector Tarniya Connector Hi-Flee Wire 35 no red & black 16 GajodO Strand Daseyn 30 An Metert Micro Sw6ch Harnesot 3/16 Flat Braid br Soldering Baltenien Heat Shrink Tubing Batteries 25 101 4SOAR 900 & I200SCR Flat Packs 3 br 800AR Flat Packs 4 br 600AR & t200SCR Stacked Packo Geared $ 9771 Geared $11046 Geared $12745 Geared $16145 Geared $18696 Geared 921 671 $8296 $5500 53200 $5596 $3156 $200 /pr $210 /pr $150/pr $200 $1995 $450 5050/9 $150/S $16019 $165/S 1&cFLLS 4 Cell 450 nsA $1950 SCell 4SOmA$2300 450AR $35060 6Cell eOOnsA$2920 7Cell eOOnskS33lh 600AR $3SSeo 6 Cell 900 mA $2580 7 Cell 900 rmh 53365 900SCR 940560 6 Cell lOSOmA $2920 7 Cell t200nA $3315 1200SCR$3SSea eAII packs wired tIat packs t Please specity denired connectort ELECTRIC POWER KITS MMC USro MK IV 68 Span Saih7lane tsr 05 Gear$3796 MMC Electric Plasknp 67 Span Old Timer bOO Gear$2600 Astro Challenger 73 Span Sailplane tOr 05 Gear$3250 EMD Electra GIde II 73 Span Sailplane 12105$3100 EMD Thermic Traveler Sailplane 76 Spun 10105$3100 EMO Sky Knight 44 Span Troiner br 05$2420 EMD Lightning 39 Span Aerobotic Spas Model 10105$2400 MMC Fast Eddie Aerobatic Sport Model tsr 05$2400 Aslro Snorl 57 82400 IT /snTOOOrTO OL Tn 5O0T Torso PPING & HANDLING76 Page CATALOGUE Up $600 add $200$200 pp/lst Class frcc $801 1052000 odd $250when reqsested order $2001 94500 odd $325 $4501 $7000 odd $375 Doer $7000 odd 54SoHOBBY HORN CA Addressees 0446% too Send 3 Moran St [A] MO VSA/MC Ib& Eop Dote nr OBon 2212 Check allowupto3odaynlorWestminster Co 52684 check clearance COD t chargen p1uo $150 893-8311 handling Cash OnlyHrs Mon-Pr SAM 5PM hyper-reactivity methacholine occurred after bronchial challenge persisted several weeks Complete resolution patients asthma symptoms occurred avoidance glue Reversion negative methacholine chal lenge test occurred after six months continued avoidance seek assistance friend doctor interpretation some terms above summary Most Im sure will require definition asthma record Webster states condition ten allergic origin marked continuous paroxysmal labored breathing accompanied wheezing sense constriction chest often attacks coughing gasping According doctor friend rhinitis rhi norrhea merely describe medical jargon runny nose Lacrimation means tearing water ing eyes symptoms experI enced patient case asthmatic condition would appear serious However should note condition nor permanent although took some six months did disappear exposure CyA fumes avoided Some details IM case report may interest follows 32-year-old white man accountant computer representative evaluated because 12-month history asthma Wheezing cough chest tightness dyspnea Shortness breath JP profuse watery rhinorrhea first noticed about year after started using instant glue adhesive building remotecontrol model airplanes glue ethylcy anoacrylate ester solubilized solvent appli cation purposesContinued pctge 18 16 Model Aviation I0 perfectly proporuonwo ror mode. Curtlss Rob 049 EngInes -Channel we. 41 Wingspan ElectrIc Power Optional 2295 OTT 0T03 Very law toll scale aircraft ideally Suited model IlighI 18 appealing old Curtiss RoSin born spruce linen age heautitolly proportinned rusher electric glow engines Easy ton hoild traIner-like pertorotance Flyline Models Catalog 506phone 17031 273-9593 FLYLINE MODELS INC 7PO Box 2136 FaIrfax Virginia22031 USA z~ H0bbY H0 #11 BLADES L31141 $895 per 100 Delivered Check MO Visa MC Products Sold Unconditional Money Back Guarantee Write Complete Poce List Berkeley Trading Co PO Box 26 Berkeley Springs WV 25411 304 258-2773 AVAILABLE IN 4-COLORS. Red Yellow White Black HEAT SHRINKABLE 4 MILTHICK FILM EASY TO FOLLOW INSTRUCTIONS 468Helicopter Tail Rotor Blade Covering 7/8 x 9Wht478Helicopter Main Rotor Blade Covering 2 x 48Red 469Helicopter Tail Rotor Blade Covering 7/8 x 981k479Helicopter Main Rotor Blade Covering 2 x 48Yel 470Helicopter Tail Rotor Blade Covering 7/8x 9Red480Helicopter Main Rotor Blade Covering 2-1/2 x 60Wht 471Helicopter Tail Rotor Blade Covering 7/8x 9Yel481Helicopter Main Rotor Blade Covering 2-1/2 x 6081k 472Helicopter Tail Rotor Blade Covering 1-7/16x 12WhI482Helicopter Main Rotor Blade Covering 2-112x 60Red 473 Helicopter Tail Rotor Blade Covering 1-7/16x 12 81k 483 Helicopter Main Rotor Blade Covering 2-112x 60 Yel 474 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Red 484 Helicopter Main Rotor Blade Covering 3-1/4x 60 WhI 475 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Yel 485 Helicopter Main Rotor Blade Covering 3-114x 60 BIk 476 Helicopter Main Rotor Blade Covering 2 x 48 Wht 486 Helicopter Main Rotor Blade Covering 3-1/4 x 60 Red 477 Heilcopter Main Rotor Blade Covering 2 x 48 81k 487 Helicopter Main Rotor Blade Covering 3-1/4x 60 Yel Box 1063 Lorain Ohio 44055 IA PhonA 216 282-8354 PEANUT SCALE Piper Vagabond Piper Cub Stinsori 125 Out door kits each. $750 ht Indoor kits $795 OUTDOOR PEANUT Super SCale. NEW Micro X Hornet P-3D 5 SPORT SCALE PC-S Porter Taylor Craft Stinson Voyager Rubber CO2 Power Kits each. $850 SPORT MODELS An Embryo Model 18 Span designed wini beginners experts. $850 HARD-TO-FIND ITEMS Early Bird TIssue AntIque AIrcraft*695 TrueOldeJspaneeeTleeuel0ln3coore*695 Japanese TIssue 12 inS cobra*395 Mlcrollte Silver*395 MIcrofilm Glue Solvent Condenser Paper3alieete*410 Plan Semice over 17 Scale Sport Scale ft Peanut Scale Rubber StrIp 020 thru 085each *195 3132 thru 5132each *250 Windar6i *895Mark 1161 . *1295 Complete Une Brown CO Motors Balsa Wood Outdoor & Indoor Sheets ft Strips Add 10% Poetege um Postage *150 COMPLETE CATALOG *150 Shortness breath puffy lips rhinor rhea developed 30 minutes 15 hours after ap plying glue balsa wood confined work area Wheezing dyspnea chest tightness oc curred three five hours later often awakening him night Profuse watery rhinorrhea noted 12 24 hours after exposure patients asthmatic attacks always preceded work model airplanes using stant glue denied having symptoms used other types glues After continued avoidance instant glue free symptoms several months case wondering above state ment glue solubilized applica tion purposes means diluted some manner modeler According authors medical paper state ment clarifies nature product Modelers should attempt dilute cyanoacrylate glue effort prolong shelf life Some other pertinent facts case strong family history allergy asthma positive skin tests grasses feathers no history drug food al lergies smoked pack cigarettes day five years no other hobbies exposure significant occupational allergens case wondering whether symp toms modeler case may have caused something other use CyA should add admitted University Cincinnati General Clinical Research Center tests under controlled conditions tests subjected patient CyA glue vapors built fuselage model under laboratory hood Id last person suggest discon Continued page 20 o cert4 ed otredro o money orders accepted Minimam order 5 0 ackages o 4 Powertolen $3nt per padrape s1 ntnpmne handling CT renidents add 75% sales tan Prices nnbect change withont notice DEALER ISOOINRIES INVITED tcrther intormation dea er anoes send SASE eninetocerd SERMOS RIC SNAP CONNECTORS Cai Coxws Statui Box 16787 Stailfrsrl CT 16915 203322-6294 ROCKET PLANE Only $395 eaGoes up like rocket plus *1/order 5 ft HGlides down like plane Ready Fly e Balsa Wood Hand Crafted THE FLORTO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 18 Model Aviation WITH EASY TO APPLY HELICOPTER BLADE COVERING FIVE SIZES AVAILABLE 7/8 x 9 1-7/1 6x 12 2x 48 2-1 /2x 60 3-1/4x 60 FUN FOR ThE WHOLE FAMILY * flrst pOrn CO3 FF UK Nationals * Legal Pee Wee 20 ie * swlnga Ito 10 props flU rpm * CO3 motor Weighs 11 ounces * MI swings 10- 14 props DUO rpm * MCO3 motor weighta 2I ounces * Iupertlwusttowslght ratio * Fii adjustable pow settings * Charges seconds * Sefeto fly Indoors * Might times appro 2 mm witit tank shown * Multi-tank systems avail RIC n low-cost Industrial CO Swida self-addrssasd stamped envelope *100 ord ng information CARBONIC MOTORS Division Davis Dissel Development PO Box 141 Mllford CT 06406 208477-16709-530 M-F tinue use cyanoacrylate glue because possibility too might suffer some ill ef fects However recommend con sider exhaust fan workshop fan practical respirator double charcoal filter may answer anyone wishing read entire article concerning case study modeler suffered asthma symptoms can obtained Stuart M Brooks MD University Cincinnati Medical Center Mail Location 182 Cincinnati OH 45267 Another reaction reported several readers allegedly result use cyano acrylate glue skin irritation As previously stated modeler said symptoms hivelike itching over body An other reader police officer uses cyanoac rylate vapors job enhance fix finger prints performed airtight tank vapors normally cleared exhaust fan before tank opened letter reported occasion opened tank before exhausting fumes struck full face concen trated CyA fumes As result take sick leave because broken out large red patches over felt time like case terminal itch Nothing did would re lieve severe itching visit dermatol ogist resulted some medication itching lasted five days colleague work recently gave copy article titied Cyanoacrylate Dermatitis appeared medical journal called Contact Der matitis believe British publication abstrsct preceded article stated An outbreak irritant dermatitis cyano acrylate glue among group electronic assem Continued page 22 20 Model Aviation ITSAGAS 020 & 048 CO2 Conversion Kits Motors BATT- CHEKBX Saves Time . Saves Models Install AC Models 3-Level indication receiver battery status press button -%%Precise Rugged Small Light 1/2 ozI Made USA Also custom units other applications Order Today $1495 dealer send check money order topostpaid Protune Corp 914 4626452 PO Box 1508 Poughkeepel NY 12601 NY State residents add sales tax COMPOSITE MA TERIALS CARBON FIBER LAMINATES -CARBON & KEVLAR MATS KEVLAR GRAPHITE FABRICS tSozisqftGLASSCLOTh CARBON & KEVIAR TAPES CARBON FIBER RIBBON GLASS FOAM PANELS GLASS END GRAIN BALSA PANELS CARBON FIBER END GRAIN BALSA PANELS BRAIDED CARBON CORD 074 CARBON FIBER FLEX PLATES SAFET-POXV Epoxy Lwnlnghig Res Send SASE complete liMing products te Aerospace Composite Products PO Box 16621- InvlneCA-92714 714 250-1107 To NOSTALG-Air PO Box 8510 Michigan City Indiana 46360 bly workers described caused vapor ization monomer under conditions low rela tive humidity No further outbreak occurred humidity working environment raised above 55% article Contact Dermatitis summarized symptoms five female workers elec tronics assembly plant experienced initation skin face However unlike pre vious case report patient experi enced problems using CyA glue build models workers aling wires bottom small metal box addi tional use soldering iron article states glue polymerizes sets almost im mediately soldering iron burns ex cess glue produces vapor causes sting ing eyes Although isnt stated article seems use soldering iron may have factor causing skin irritation symptoms example article did state following cyanoacrylates polymerize almost stantaneously presence water As re sult can used immediate contact adhe sives great strength sealants hu mm tissues Because feature would seem impossible could combine proteins polypeptides form covalent bonded hapten-protein complex become aller genic possibility dermatitis should non existent way interpret statement logic dictates what happened shouldnt have hap pened author article went say manufacturer CyA glue ld us although good ventilation recoinContinued page 126 22 Model Aviation Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers uri Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Ii] Ii] II JIIwAIwrrINDLy PRODUCTS WACO UPF7 V5 SCALE 72 12046 OR LARGER SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST 4PO Box 306DeptMA Post Falls ID 83854 208 7739001 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation
Edition: Model Aviation - 1988/07
Page Numbers: 14, 16, 18, 20, 22, 126
instant CyA glues revisited CYANOACRYLATE GLUE months Safe ty column reprint appeared October 1985 issue Model Aviation entirely devoted possible health hazard presented use CyA glue eight years Ive writing col umn have never previously recycled en tire column reason Im doing now cause letters received model ers asked copies October 85 column mentioned January 1988 column such available upon request have readers since before October 1985 apologize repeat ever think following material sufficiently important new AMA members oth ers may have seen previously jus tify rerun go Can use CyA glue pose health hazardor have number articles mod eling magazines club newslet ters have alleged cyanoacrylate stant glues may represent health hazard user column has previously reprinted nu merous accounts readers have related tales sticking various body parts together using such glues now think readers must well aware minor problem what am going address column Back April 1985 issue Model Avia tion quoted excerpts letter Roy McGuckin stated stop using CyA glue because problems experi enced severe lung congestion hivelike itching over body Since publication Roys experiences column numerous other readers have called written describe similar symptoms basis no smoke fire decided try track down allegations symp toms result using CyA glue sent letters three hobby distributors CyA glue Center Occupational Haz ards New York City letters described symptoms modelers outlined let ters asked comments whether symptoms really could result using CyA glue products Letters response mentioned need ADEQUATE VENTILATION using cya noacrylate glue Center Occupational Hazards stated Both common cyanoacry lates methyl-2 ethyl-2-cyanoacrylate credibly irritating causing tearing eyes damage membranes respiratory sys tem hobby distributors cyanoacrylate products sent some information cluded summary study Eastman Kodak Company study 14 individuals delib erately exposed vapors cyanoacrylates results .. ed odor cyanoacrylate perceptible about part per million ppm some subjects range five ppm Following perception odor throat nose irritation usually re ported begin levels about two three ppm range throat nose irritation two 20 ppm Based studies researchers con cluded exposures should probably limited levels three ppm less consistent Material Safety Data Sheet concerning specific brand ethyl-2-cyanoacrylate re ceived Center Occupational Hazards stated supplier recommends Threshold Limit Value TLV two ppm point may well wondering level relates what might expect workshop quote letter C OH highiy unlikely hobbyists work ing ordinary home studio environments can keep exposures below level work very long result overexposure can respiratory irritation sufficient cause much stuffiness discomfort can also leave respiratory tract susceptible colds infec tions readers would well-advised use some exhaust ventilation such working front window exhaust fan working glue Several letters Ive received read ers experienced breathing difficulties after heavy use CyA glue stated doctors skeptical problems result use such glue Apparently lit tle no information medical literature con cerning respiratory irritation resulting use cyanoacrylate glue doctor skeptics might want refer him May 1985 issue Annals Internal Medicine Vol 102 No 5 pages 613 615 featured case re port titled Asthma Rhinitis Due Ethylcy anoacrylate Instant Glue authored several doctors University Cincinnati Medical Center summary case reads follows 32-year-old man developed asthma due cyanoacrylate ester instant glue used building remote-control model alrplanes Typical asthma rhinitis symptoms developed after year using adhesive Delayed onset symptoms consistently related application glue balsa wood Bronchial provocation glue vapors manner simulating home ex posure resulted late asthmatic response rhinorrhea lacrimation Increased bronchial Continued page 16 14 Model Aviation Potential health hazards use Ji NOW TI4AT WI4AT [ CALL MrFTN WALL OF WNDI NI N AMA MEMBERS THE ALL NEW 11th EDITION RadioControl Buyeis Guide IS HOT OFF THE PRESS Hobbyists Guide World Radio Control have visited AMA Museum let Radio Control Buyers Guide take See eight pages full color models photo graphed AMA Museum plus much THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft s os Systems nes ware s Finishing Materials ssories Videos Dealers local hobby shop does stock copies Guide please send request payment $1495 $1195 postage/handling RADIO CONTROL BUYERS GUIDE 14101 Parke Ct Suite G Chantilly VA 22021 may use VISA MasterCard charge payment sending card number expiration date order ASTRO FLIGHT 5VSTFMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ 8920 ChallerrgerCobalt7celI 05 Direct $10621 Challenger CobaS 12 cell 15 Direct $14020 Challenger CobaC 14 cell 25 Direct $1 570 Challenger Cobah 18 cell 40 Direct $19540 Challenger Cobae 24 cell 60 Direct $28471 AsITo DC/DC Super Charger oplo 28 cells Aslro AC/DC Charger current adust Astro DC/DC Charger Antrh Electric Throttle Astro On-Ott Motor Control Electronic AQQESQRL Andernon Power Pole Connector 4 housings / 4 pins Gold Pin Moleo Connector Tarniya Connector Hi-Flee Wire 35 no red & black 16 GajodO Strand Daseyn 30 An Metert Micro Sw6ch Harnesot 3/16 Flat Braid br Soldering Baltenien Heat Shrink Tubing Batteries 25 101 4SOAR 900 & I200SCR Flat Packs 3 br 800AR Flat Packs 4 br 600AR & t200SCR Stacked Packo Geared $ 9771 Geared $11046 Geared $12745 Geared $16145 Geared $18696 Geared 921 671 $8296 $5500 53200 $5596 $3156 $200 /pr $210 /pr $150/pr $200 $1995 $450 5050/9 $150/S $16019 $165/S 1&cFLLS 4 Cell 450 nsA $1950 SCell 4SOmA$2300 450AR $35060 6Cell eOOnsA$2920 7Cell eOOnskS33lh 600AR $3SSeo 6 Cell 900 mA $2580 7 Cell 900 rmh 53365 900SCR 940560 6 Cell lOSOmA $2920 7 Cell t200nA $3315 1200SCR$3SSea eAII packs wired tIat packs t Please specity denired connectort ELECTRIC POWER KITS MMC USro MK IV 68 Span Saih7lane tsr 05 Gear$3796 MMC Electric Plasknp 67 Span Old Timer bOO Gear$2600 Astro Challenger 73 Span Sailplane tOr 05 Gear$3250 EMD Electra GIde II 73 Span Sailplane 12105$3100 EMD Thermic Traveler Sailplane 76 Spun 10105$3100 EMO Sky Knight 44 Span Troiner br 05$2420 EMD Lightning 39 Span Aerobotic Spas Model 10105$2400 MMC Fast Eddie Aerobatic Sport Model tsr 05$2400 Aslro Snorl 57 82400 IT /snTOOOrTO OL Tn 5O0T Torso PPING & HANDLING76 Page CATALOGUE Up $600 add $200$200 pp/lst Class frcc $801 1052000 odd $250when reqsested order $2001 94500 odd $325 $4501 $7000 odd $375 Doer $7000 odd 54SoHOBBY HORN CA Addressees 0446% too Send 3 Moran St [A] MO VSA/MC Ib& Eop Dote nr OBon 2212 Check allowupto3odaynlorWestminster Co 52684 check clearance COD t chargen p1uo $150 893-8311 handling Cash OnlyHrs Mon-Pr SAM 5PM hyper-reactivity methacholine occurred after bronchial challenge persisted several weeks Complete resolution patients asthma symptoms occurred avoidance glue Reversion negative methacholine chal lenge test occurred after six months continued avoidance seek assistance friend doctor interpretation some terms above summary Most Im sure will require definition asthma record Webster states condition ten allergic origin marked continuous paroxysmal labored breathing accompanied wheezing sense constriction chest often attacks coughing gasping According doctor friend rhinitis rhi norrhea merely describe medical jargon runny nose Lacrimation means tearing water ing eyes symptoms experI enced patient case asthmatic condition would appear serious However should note condition nor permanent although took some six months did disappear exposure CyA fumes avoided Some details IM case report may interest follows 32-year-old white man accountant computer representative evaluated because 12-month history asthma Wheezing cough chest tightness dyspnea Shortness breath JP profuse watery rhinorrhea first noticed about year after started using instant glue adhesive building remotecontrol model airplanes glue ethylcy anoacrylate ester solubilized solvent appli cation purposesContinued pctge 18 16 Model Aviation I0 perfectly proporuonwo ror mode. Curtlss Rob 049 EngInes -Channel we. 41 Wingspan ElectrIc Power Optional 2295 OTT 0T03 Very law toll scale aircraft ideally Suited model IlighI 18 appealing old Curtiss RoSin born spruce linen age heautitolly proportinned rusher electric glow engines Easy ton hoild traIner-like pertorotance Flyline Models Catalog 506phone 17031 273-9593 FLYLINE MODELS INC 7PO Box 2136 FaIrfax Virginia22031 USA z~ H0bbY H0 #11 BLADES L31141 $895 per 100 Delivered Check MO Visa MC Products Sold Unconditional Money Back Guarantee Write Complete Poce List Berkeley Trading Co PO Box 26 Berkeley Springs WV 25411 304 258-2773 AVAILABLE IN 4-COLORS. Red Yellow White Black HEAT SHRINKABLE 4 MILTHICK FILM EASY TO FOLLOW INSTRUCTIONS 468Helicopter Tail Rotor Blade Covering 7/8 x 9Wht478Helicopter Main Rotor Blade Covering 2 x 48Red 469Helicopter Tail Rotor Blade Covering 7/8 x 981k479Helicopter Main Rotor Blade Covering 2 x 48Yel 470Helicopter Tail Rotor Blade Covering 7/8x 9Red480Helicopter Main Rotor Blade Covering 2-1/2 x 60Wht 471Helicopter Tail Rotor Blade Covering 7/8x 9Yel481Helicopter Main Rotor Blade Covering 2-1/2 x 6081k 472Helicopter Tail Rotor Blade Covering 1-7/16x 12WhI482Helicopter Main Rotor Blade Covering 2-112x 60Red 473 Helicopter Tail Rotor Blade Covering 1-7/16x 12 81k 483 Helicopter Main Rotor Blade Covering 2-112x 60 Yel 474 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Red 484 Helicopter Main Rotor Blade Covering 3-1/4x 60 WhI 475 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Yel 485 Helicopter Main Rotor Blade Covering 3-114x 60 BIk 476 Helicopter Main Rotor Blade Covering 2 x 48 Wht 486 Helicopter Main Rotor Blade Covering 3-1/4 x 60 Red 477 Heilcopter Main Rotor Blade Covering 2 x 48 81k 487 Helicopter Main Rotor Blade Covering 3-1/4x 60 Yel Box 1063 Lorain Ohio 44055 IA PhonA 216 282-8354 PEANUT SCALE Piper Vagabond Piper Cub Stinsori 125 Out door kits each. $750 ht Indoor kits $795 OUTDOOR PEANUT Super SCale. NEW Micro X Hornet P-3D 5 SPORT SCALE PC-S Porter Taylor Craft Stinson Voyager Rubber CO2 Power Kits each. $850 SPORT MODELS An Embryo Model 18 Span designed wini beginners experts. $850 HARD-TO-FIND ITEMS Early Bird TIssue AntIque AIrcraft*695 TrueOldeJspaneeeTleeuel0ln3coore*695 Japanese TIssue 12 inS cobra*395 Mlcrollte Silver*395 MIcrofilm Glue Solvent Condenser Paper3alieete*410 Plan Semice over 17 Scale Sport Scale ft Peanut Scale Rubber StrIp 020 thru 085each *195 3132 thru 5132each *250 Windar6i *895Mark 1161 . *1295 Complete Une Brown CO Motors Balsa Wood Outdoor & Indoor Sheets ft Strips Add 10% Poetege um Postage *150 COMPLETE CATALOG *150 Shortness breath puffy lips rhinor rhea developed 30 minutes 15 hours after ap plying glue balsa wood confined work area Wheezing dyspnea chest tightness oc curred three five hours later often awakening him night Profuse watery rhinorrhea noted 12 24 hours after exposure patients asthmatic attacks always preceded work model airplanes using stant glue denied having symptoms used other types glues After continued avoidance instant glue free symptoms several months case wondering above state ment glue solubilized applica tion purposes means diluted some manner modeler According authors medical paper state ment clarifies nature product Modelers should attempt dilute cyanoacrylate glue effort prolong shelf life Some other pertinent facts case strong family history allergy asthma positive skin tests grasses feathers no history drug food al lergies smoked pack cigarettes day five years no other hobbies exposure significant occupational allergens case wondering whether symp toms modeler case may have caused something other use CyA should add admitted University Cincinnati General Clinical Research Center tests under controlled conditions tests subjected patient CyA glue vapors built fuselage model under laboratory hood Id last person suggest discon Continued page 20 o cert4 ed otredro o money orders accepted Minimam order 5 0 ackages o 4 Powertolen $3nt per padrape s1 ntnpmne handling CT renidents add 75% sales tan Prices nnbect change withont notice DEALER ISOOINRIES INVITED tcrther intormation dea er anoes send SASE eninetocerd SERMOS RIC SNAP CONNECTORS Cai Coxws Statui Box 16787 Stailfrsrl CT 16915 203322-6294 ROCKET PLANE Only $395 eaGoes up like rocket plus *1/order 5 ft HGlides down like plane Ready Fly e Balsa Wood Hand Crafted THE FLORTO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 18 Model Aviation WITH EASY TO APPLY HELICOPTER BLADE COVERING FIVE SIZES AVAILABLE 7/8 x 9 1-7/1 6x 12 2x 48 2-1 /2x 60 3-1/4x 60 FUN FOR ThE WHOLE FAMILY * flrst pOrn CO3 FF UK Nationals * Legal Pee Wee 20 ie * swlnga Ito 10 props flU rpm * CO3 motor Weighs 11 ounces * MI swings 10- 14 props DUO rpm * MCO3 motor weighta 2I ounces * Iupertlwusttowslght ratio * Fii adjustable pow settings * Charges seconds * Sefeto fly Indoors * Might times appro 2 mm witit tank shown * Multi-tank systems avail RIC n low-cost Industrial CO Swida self-addrssasd stamped envelope *100 ord ng information CARBONIC MOTORS Division Davis Dissel Development PO Box 141 Mllford CT 06406 208477-16709-530 M-F tinue use cyanoacrylate glue because possibility too might suffer some ill ef fects However recommend con sider exhaust fan workshop fan practical respirator double charcoal filter may answer anyone wishing read entire article concerning case study modeler suffered asthma symptoms can obtained Stuart M Brooks MD University Cincinnati Medical Center Mail Location 182 Cincinnati OH 45267 Another reaction reported several readers allegedly result use cyano acrylate glue skin irritation As previously stated modeler said symptoms hivelike itching over body An other reader police officer uses cyanoac rylate vapors job enhance fix finger prints performed airtight tank vapors normally cleared exhaust fan before tank opened letter reported occasion opened tank before exhausting fumes struck full face concen trated CyA fumes As result take sick leave because broken out large red patches over felt time like case terminal itch Nothing did would re lieve severe itching visit dermatol ogist resulted some medication itching lasted five days colleague work recently gave copy article titied Cyanoacrylate Dermatitis appeared medical journal called Contact Der matitis believe British publication abstrsct preceded article stated An outbreak irritant dermatitis cyano acrylate glue among group electronic assem Continued page 22 20 Model Aviation ITSAGAS 020 & 048 CO2 Conversion Kits Motors BATT- CHEKBX Saves Time . Saves Models Install AC Models 3-Level indication receiver battery status press button -%%Precise Rugged Small Light 1/2 ozI Made USA Also custom units other applications Order Today $1495 dealer send check money order topostpaid Protune Corp 914 4626452 PO Box 1508 Poughkeepel NY 12601 NY State residents add sales tax COMPOSITE MA TERIALS CARBON FIBER LAMINATES -CARBON & KEVLAR MATS KEVLAR GRAPHITE FABRICS tSozisqftGLASSCLOTh CARBON & KEVIAR TAPES CARBON FIBER RIBBON GLASS FOAM PANELS GLASS END GRAIN BALSA PANELS CARBON FIBER END GRAIN BALSA PANELS BRAIDED CARBON CORD 074 CARBON FIBER FLEX PLATES SAFET-POXV Epoxy Lwnlnghig Res Send SASE complete liMing products te Aerospace Composite Products PO Box 16621- InvlneCA-92714 714 250-1107 To NOSTALG-Air PO Box 8510 Michigan City Indiana 46360 bly workers described caused vapor ization monomer under conditions low rela tive humidity No further outbreak occurred humidity working environment raised above 55% article Contact Dermatitis summarized symptoms five female workers elec tronics assembly plant experienced initation skin face However unlike pre vious case report patient experi enced problems using CyA glue build models workers aling wires bottom small metal box addi tional use soldering iron article states glue polymerizes sets almost im mediately soldering iron burns ex cess glue produces vapor causes sting ing eyes Although isnt stated article seems use soldering iron may have factor causing skin irritation symptoms example article did state following cyanoacrylates polymerize almost stantaneously presence water As re sult can used immediate contact adhe sives great strength sealants hu mm tissues Because feature would seem impossible could combine proteins polypeptides form covalent bonded hapten-protein complex become aller genic possibility dermatitis should non existent way interpret statement logic dictates what happened shouldnt have hap pened author article went say manufacturer CyA glue ld us although good ventilation recoinContinued page 126 22 Model Aviation Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers uri Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Ii] Ii] II JIIwAIwrrINDLy PRODUCTS WACO UPF7 V5 SCALE 72 12046 OR LARGER SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST 4PO Box 306DeptMA Post Falls ID 83854 208 7739001 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation
Edition: Model Aviation - 1988/07
Page Numbers: 14, 16, 18, 20, 22, 126
instant CyA glues revisited CYANOACRYLATE GLUE months Safe ty column reprint appeared October 1985 issue Model Aviation entirely devoted possible health hazard presented use CyA glue eight years Ive writing col umn have never previously recycled en tire column reason Im doing now cause letters received model ers asked copies October 85 column mentioned January 1988 column such available upon request have readers since before October 1985 apologize repeat ever think following material sufficiently important new AMA members oth ers may have seen previously jus tify rerun go Can use CyA glue pose health hazardor have number articles mod eling magazines club newslet ters have alleged cyanoacrylate stant glues may represent health hazard user column has previously reprinted nu merous accounts readers have related tales sticking various body parts together using such glues now think readers must well aware minor problem what am going address column Back April 1985 issue Model Avia tion quoted excerpts letter Roy McGuckin stated stop using CyA glue because problems experi enced severe lung congestion hivelike itching over body Since publication Roys experiences column numerous other readers have called written describe similar symptoms basis no smoke fire decided try track down allegations symp toms result using CyA glue sent letters three hobby distributors CyA glue Center Occupational Haz ards New York City letters described symptoms modelers outlined let ters asked comments whether symptoms really could result using CyA glue products Letters response mentioned need ADEQUATE VENTILATION using cya noacrylate glue Center Occupational Hazards stated Both common cyanoacry lates methyl-2 ethyl-2-cyanoacrylate credibly irritating causing tearing eyes damage membranes respiratory sys tem hobby distributors cyanoacrylate products sent some information cluded summary study Eastman Kodak Company study 14 individuals delib erately exposed vapors cyanoacrylates results .. ed odor cyanoacrylate perceptible about part per million ppm some subjects range five ppm Following perception odor throat nose irritation usually re ported begin levels about two three ppm range throat nose irritation two 20 ppm Based studies researchers con cluded exposures should probably limited levels three ppm less consistent Material Safety Data Sheet concerning specific brand ethyl-2-cyanoacrylate re ceived Center Occupational Hazards stated supplier recommends Threshold Limit Value TLV two ppm point may well wondering level relates what might expect workshop quote letter C OH highiy unlikely hobbyists work ing ordinary home studio environments can keep exposures below level work very long result overexposure can respiratory irritation sufficient cause much stuffiness discomfort can also leave respiratory tract susceptible colds infec tions readers would well-advised use some exhaust ventilation such working front window exhaust fan working glue Several letters Ive received read ers experienced breathing difficulties after heavy use CyA glue stated doctors skeptical problems result use such glue Apparently lit tle no information medical literature con cerning respiratory irritation resulting use cyanoacrylate glue doctor skeptics might want refer him May 1985 issue Annals Internal Medicine Vol 102 No 5 pages 613 615 featured case re port titled Asthma Rhinitis Due Ethylcy anoacrylate Instant Glue authored several doctors University Cincinnati Medical Center summary case reads follows 32-year-old man developed asthma due cyanoacrylate ester instant glue used building remote-control model alrplanes Typical asthma rhinitis symptoms developed after year using adhesive Delayed onset symptoms consistently related application glue balsa wood Bronchial provocation glue vapors manner simulating home ex posure resulted late asthmatic response rhinorrhea lacrimation Increased bronchial Continued page 16 14 Model Aviation Potential health hazards use Ji NOW TI4AT WI4AT [ CALL MrFTN WALL OF WNDI NI N AMA MEMBERS THE ALL NEW 11th EDITION RadioControl Buyeis Guide IS HOT OFF THE PRESS Hobbyists Guide World Radio Control have visited AMA Museum let Radio Control Buyers Guide take See eight pages full color models photo graphed AMA Museum plus much THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft s os Systems nes ware s Finishing Materials ssories Videos Dealers local hobby shop does stock copies Guide please send request payment $1495 $1195 postage/handling RADIO CONTROL BUYERS GUIDE 14101 Parke Ct Suite G Chantilly VA 22021 may use VISA MasterCard charge payment sending card number expiration date order ASTRO FLIGHT 5VSTFMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ 8920 ChallerrgerCobalt7celI 05 Direct $10621 Challenger CobaS 12 cell 15 Direct $14020 Challenger CobaC 14 cell 25 Direct $1 570 Challenger Cobah 18 cell 40 Direct $19540 Challenger Cobae 24 cell 60 Direct $28471 AsITo DC/DC Super Charger oplo 28 cells Aslro AC/DC Charger current adust Astro DC/DC Charger Antrh Electric Throttle Astro On-Ott Motor Control Electronic AQQESQRL Andernon Power Pole Connector 4 housings / 4 pins Gold Pin Moleo Connector Tarniya Connector Hi-Flee Wire 35 no red & black 16 GajodO Strand Daseyn 30 An Metert Micro Sw6ch Harnesot 3/16 Flat Braid br Soldering Baltenien Heat Shrink Tubing Batteries 25 101 4SOAR 900 & I200SCR Flat Packs 3 br 800AR Flat Packs 4 br 600AR & t200SCR Stacked Packo Geared $ 9771 Geared $11046 Geared $12745 Geared $16145 Geared $18696 Geared 921 671 $8296 $5500 53200 $5596 $3156 $200 /pr $210 /pr $150/pr $200 $1995 $450 5050/9 $150/S $16019 $165/S 1&cFLLS 4 Cell 450 nsA $1950 SCell 4SOmA$2300 450AR $35060 6Cell eOOnsA$2920 7Cell eOOnskS33lh 600AR $3SSeo 6 Cell 900 mA $2580 7 Cell 900 rmh 53365 900SCR 940560 6 Cell lOSOmA $2920 7 Cell t200nA $3315 1200SCR$3SSea eAII packs wired tIat packs t Please specity denired connectort ELECTRIC POWER KITS MMC USro MK IV 68 Span Saih7lane tsr 05 Gear$3796 MMC Electric Plasknp 67 Span Old Timer bOO Gear$2600 Astro Challenger 73 Span Sailplane tOr 05 Gear$3250 EMD Electra GIde II 73 Span Sailplane 12105$3100 EMD Thermic Traveler Sailplane 76 Spun 10105$3100 EMO Sky Knight 44 Span Troiner br 05$2420 EMD Lightning 39 Span Aerobotic Spas Model 10105$2400 MMC Fast Eddie Aerobatic Sport Model tsr 05$2400 Aslro Snorl 57 82400 IT /snTOOOrTO OL Tn 5O0T Torso PPING & HANDLING76 Page CATALOGUE Up $600 add $200$200 pp/lst Class frcc $801 1052000 odd $250when reqsested order $2001 94500 odd $325 $4501 $7000 odd $375 Doer $7000 odd 54SoHOBBY HORN CA Addressees 0446% too Send 3 Moran St [A] MO VSA/MC Ib& Eop Dote nr OBon 2212 Check allowupto3odaynlorWestminster Co 52684 check clearance COD t chargen p1uo $150 893-8311 handling Cash OnlyHrs Mon-Pr SAM 5PM hyper-reactivity methacholine occurred after bronchial challenge persisted several weeks Complete resolution patients asthma symptoms occurred avoidance glue Reversion negative methacholine chal lenge test occurred after six months continued avoidance seek assistance friend doctor interpretation some terms above summary Most Im sure will require definition asthma record Webster states condition ten allergic origin marked continuous paroxysmal labored breathing accompanied wheezing sense constriction chest often attacks coughing gasping According doctor friend rhinitis rhi norrhea merely describe medical jargon runny nose Lacrimation means tearing water ing eyes symptoms experI enced patient case asthmatic condition would appear serious However should note condition nor permanent although took some six months did disappear exposure CyA fumes avoided Some details IM case report may interest follows 32-year-old white man accountant computer representative evaluated because 12-month history asthma Wheezing cough chest tightness dyspnea Shortness breath JP profuse watery rhinorrhea first noticed about year after started using instant glue adhesive building remotecontrol model airplanes glue ethylcy anoacrylate ester solubilized solvent appli cation purposesContinued pctge 18 16 Model Aviation I0 perfectly proporuonwo ror mode. Curtlss Rob 049 EngInes -Channel we. 41 Wingspan ElectrIc Power Optional 2295 OTT 0T03 Very law toll scale aircraft ideally Suited model IlighI 18 appealing old Curtiss RoSin born spruce linen age heautitolly proportinned rusher electric glow engines Easy ton hoild traIner-like pertorotance Flyline Models Catalog 506phone 17031 273-9593 FLYLINE MODELS INC 7PO Box 2136 FaIrfax Virginia22031 USA z~ H0bbY H0 #11 BLADES L31141 $895 per 100 Delivered Check MO Visa MC Products Sold Unconditional Money Back Guarantee Write Complete Poce List Berkeley Trading Co PO Box 26 Berkeley Springs WV 25411 304 258-2773 AVAILABLE IN 4-COLORS. Red Yellow White Black HEAT SHRINKABLE 4 MILTHICK FILM EASY TO FOLLOW INSTRUCTIONS 468Helicopter Tail Rotor Blade Covering 7/8 x 9Wht478Helicopter Main Rotor Blade Covering 2 x 48Red 469Helicopter Tail Rotor Blade Covering 7/8 x 981k479Helicopter Main Rotor Blade Covering 2 x 48Yel 470Helicopter Tail Rotor Blade Covering 7/8x 9Red480Helicopter Main Rotor Blade Covering 2-1/2 x 60Wht 471Helicopter Tail Rotor Blade Covering 7/8x 9Yel481Helicopter Main Rotor Blade Covering 2-1/2 x 6081k 472Helicopter Tail Rotor Blade Covering 1-7/16x 12WhI482Helicopter Main Rotor Blade Covering 2-112x 60Red 473 Helicopter Tail Rotor Blade Covering 1-7/16x 12 81k 483 Helicopter Main Rotor Blade Covering 2-112x 60 Yel 474 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Red 484 Helicopter Main Rotor Blade Covering 3-1/4x 60 WhI 475 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Yel 485 Helicopter Main Rotor Blade Covering 3-114x 60 BIk 476 Helicopter Main Rotor Blade Covering 2 x 48 Wht 486 Helicopter Main Rotor Blade Covering 3-1/4 x 60 Red 477 Heilcopter Main Rotor Blade Covering 2 x 48 81k 487 Helicopter Main Rotor Blade Covering 3-1/4x 60 Yel Box 1063 Lorain Ohio 44055 IA PhonA 216 282-8354 PEANUT SCALE Piper Vagabond Piper Cub Stinsori 125 Out door kits each. $750 ht Indoor kits $795 OUTDOOR PEANUT Super SCale. NEW Micro X Hornet P-3D 5 SPORT SCALE PC-S Porter Taylor Craft Stinson Voyager Rubber CO2 Power Kits each. $850 SPORT MODELS An Embryo Model 18 Span designed wini beginners experts. $850 HARD-TO-FIND ITEMS Early Bird TIssue AntIque AIrcraft*695 TrueOldeJspaneeeTleeuel0ln3coore*695 Japanese TIssue 12 inS cobra*395 Mlcrollte Silver*395 MIcrofilm Glue Solvent Condenser Paper3alieete*410 Plan Semice over 17 Scale Sport Scale ft Peanut Scale Rubber StrIp 020 thru 085each *195 3132 thru 5132each *250 Windar6i *895Mark 1161 . *1295 Complete Une Brown CO Motors Balsa Wood Outdoor & Indoor Sheets ft Strips Add 10% Poetege um Postage *150 COMPLETE CATALOG *150 Shortness breath puffy lips rhinor rhea developed 30 minutes 15 hours after ap plying glue balsa wood confined work area Wheezing dyspnea chest tightness oc curred three five hours later often awakening him night Profuse watery rhinorrhea noted 12 24 hours after exposure patients asthmatic attacks always preceded work model airplanes using stant glue denied having symptoms used other types glues After continued avoidance instant glue free symptoms several months case wondering above state ment glue solubilized applica tion purposes means diluted some manner modeler According authors medical paper state ment clarifies nature product Modelers should attempt dilute cyanoacrylate glue effort prolong shelf life Some other pertinent facts case strong family history allergy asthma positive skin tests grasses feathers no history drug food al lergies smoked pack cigarettes day five years no other hobbies exposure significant occupational allergens case wondering whether symp toms modeler case may have caused something other use CyA should add admitted University Cincinnati General Clinical Research Center tests under controlled conditions tests subjected patient CyA glue vapors built fuselage model under laboratory hood Id last person suggest discon Continued page 20 o cert4 ed otredro o money orders accepted Minimam order 5 0 ackages o 4 Powertolen $3nt per padrape s1 ntnpmne handling CT renidents add 75% sales tan Prices nnbect change withont notice DEALER ISOOINRIES INVITED tcrther intormation dea er anoes send SASE eninetocerd SERMOS RIC SNAP CONNECTORS Cai Coxws Statui Box 16787 Stailfrsrl CT 16915 203322-6294 ROCKET PLANE Only $395 eaGoes up like rocket plus *1/order 5 ft HGlides down like plane Ready Fly e Balsa Wood Hand Crafted THE FLORTO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 18 Model Aviation WITH EASY TO APPLY HELICOPTER BLADE COVERING FIVE SIZES AVAILABLE 7/8 x 9 1-7/1 6x 12 2x 48 2-1 /2x 60 3-1/4x 60 FUN FOR ThE WHOLE FAMILY * flrst pOrn CO3 FF UK Nationals * Legal Pee Wee 20 ie * swlnga Ito 10 props flU rpm * CO3 motor Weighs 11 ounces * MI swings 10- 14 props DUO rpm * MCO3 motor weighta 2I ounces * Iupertlwusttowslght ratio * Fii adjustable pow settings * Charges seconds * Sefeto fly Indoors * Might times appro 2 mm witit tank shown * Multi-tank systems avail RIC n low-cost Industrial CO Swida self-addrssasd stamped envelope *100 ord ng information CARBONIC MOTORS Division Davis Dissel Development PO Box 141 Mllford CT 06406 208477-16709-530 M-F tinue use cyanoacrylate glue because possibility too might suffer some ill ef fects However recommend con sider exhaust fan workshop fan practical respirator double charcoal filter may answer anyone wishing read entire article concerning case study modeler suffered asthma symptoms can obtained Stuart M Brooks MD University Cincinnati Medical Center Mail Location 182 Cincinnati OH 45267 Another reaction reported several readers allegedly result use cyano acrylate glue skin irritation As previously stated modeler said symptoms hivelike itching over body An other reader police officer uses cyanoac rylate vapors job enhance fix finger prints performed airtight tank vapors normally cleared exhaust fan before tank opened letter reported occasion opened tank before exhausting fumes struck full face concen trated CyA fumes As result take sick leave because broken out large red patches over felt time like case terminal itch Nothing did would re lieve severe itching visit dermatol ogist resulted some medication itching lasted five days colleague work recently gave copy article titied Cyanoacrylate Dermatitis appeared medical journal called Contact Der matitis believe British publication abstrsct preceded article stated An outbreak irritant dermatitis cyano acrylate glue among group electronic assem Continued page 22 20 Model Aviation ITSAGAS 020 & 048 CO2 Conversion Kits Motors BATT- CHEKBX Saves Time . Saves Models Install AC Models 3-Level indication receiver battery status press button -%%Precise Rugged Small Light 1/2 ozI Made USA Also custom units other applications Order Today $1495 dealer send check money order topostpaid Protune Corp 914 4626452 PO Box 1508 Poughkeepel NY 12601 NY State residents add sales tax COMPOSITE MA TERIALS CARBON FIBER LAMINATES -CARBON & KEVLAR MATS KEVLAR GRAPHITE FABRICS tSozisqftGLASSCLOTh CARBON & KEVIAR TAPES CARBON FIBER RIBBON GLASS FOAM PANELS GLASS END GRAIN BALSA PANELS CARBON FIBER END GRAIN BALSA PANELS BRAIDED CARBON CORD 074 CARBON FIBER FLEX PLATES SAFET-POXV Epoxy Lwnlnghig Res Send SASE complete liMing products te Aerospace Composite Products PO Box 16621- InvlneCA-92714 714 250-1107 To NOSTALG-Air PO Box 8510 Michigan City Indiana 46360 bly workers described caused vapor ization monomer under conditions low rela tive humidity No further outbreak occurred humidity working environment raised above 55% article Contact Dermatitis summarized symptoms five female workers elec tronics assembly plant experienced initation skin face However unlike pre vious case report patient experi enced problems using CyA glue build models workers aling wires bottom small metal box addi tional use soldering iron article states glue polymerizes sets almost im mediately soldering iron burns ex cess glue produces vapor causes sting ing eyes Although isnt stated article seems use soldering iron may have factor causing skin irritation symptoms example article did state following cyanoacrylates polymerize almost stantaneously presence water As re sult can used immediate contact adhe sives great strength sealants hu mm tissues Because feature would seem impossible could combine proteins polypeptides form covalent bonded hapten-protein complex become aller genic possibility dermatitis should non existent way interpret statement logic dictates what happened shouldnt have hap pened author article went say manufacturer CyA glue ld us although good ventilation recoinContinued page 126 22 Model Aviation Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers uri Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Ii] Ii] II JIIwAIwrrINDLy PRODUCTS WACO UPF7 V5 SCALE 72 12046 OR LARGER SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST 4PO Box 306DeptMA Post Falls ID 83854 208 7739001 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation
Edition: Model Aviation - 1988/07
Page Numbers: 14, 16, 18, 20, 22, 126
instant CyA glues revisited CYANOACRYLATE GLUE months Safe ty column reprint appeared October 1985 issue Model Aviation entirely devoted possible health hazard presented use CyA glue eight years Ive writing col umn have never previously recycled en tire column reason Im doing now cause letters received model ers asked copies October 85 column mentioned January 1988 column such available upon request have readers since before October 1985 apologize repeat ever think following material sufficiently important new AMA members oth ers may have seen previously jus tify rerun go Can use CyA glue pose health hazardor have number articles mod eling magazines club newslet ters have alleged cyanoacrylate stant glues may represent health hazard user column has previously reprinted nu merous accounts readers have related tales sticking various body parts together using such glues now think readers must well aware minor problem what am going address column Back April 1985 issue Model Avia tion quoted excerpts letter Roy McGuckin stated stop using CyA glue because problems experi enced severe lung congestion hivelike itching over body Since publication Roys experiences column numerous other readers have called written describe similar symptoms basis no smoke fire decided try track down allegations symp toms result using CyA glue sent letters three hobby distributors CyA glue Center Occupational Haz ards New York City letters described symptoms modelers outlined let ters asked comments whether symptoms really could result using CyA glue products Letters response mentioned need ADEQUATE VENTILATION using cya noacrylate glue Center Occupational Hazards stated Both common cyanoacry lates methyl-2 ethyl-2-cyanoacrylate credibly irritating causing tearing eyes damage membranes respiratory sys tem hobby distributors cyanoacrylate products sent some information cluded summary study Eastman Kodak Company study 14 individuals delib erately exposed vapors cyanoacrylates results .. ed odor cyanoacrylate perceptible about part per million ppm some subjects range five ppm Following perception odor throat nose irritation usually re ported begin levels about two three ppm range throat nose irritation two 20 ppm Based studies researchers con cluded exposures should probably limited levels three ppm less consistent Material Safety Data Sheet concerning specific brand ethyl-2-cyanoacrylate re ceived Center Occupational Hazards stated supplier recommends Threshold Limit Value TLV two ppm point may well wondering level relates what might expect workshop quote letter C OH highiy unlikely hobbyists work ing ordinary home studio environments can keep exposures below level work very long result overexposure can respiratory irritation sufficient cause much stuffiness discomfort can also leave respiratory tract susceptible colds infec tions readers would well-advised use some exhaust ventilation such working front window exhaust fan working glue Several letters Ive received read ers experienced breathing difficulties after heavy use CyA glue stated doctors skeptical problems result use such glue Apparently lit tle no information medical literature con cerning respiratory irritation resulting use cyanoacrylate glue doctor skeptics might want refer him May 1985 issue Annals Internal Medicine Vol 102 No 5 pages 613 615 featured case re port titled Asthma Rhinitis Due Ethylcy anoacrylate Instant Glue authored several doctors University Cincinnati Medical Center summary case reads follows 32-year-old man developed asthma due cyanoacrylate ester instant glue used building remote-control model alrplanes Typical asthma rhinitis symptoms developed after year using adhesive Delayed onset symptoms consistently related application glue balsa wood Bronchial provocation glue vapors manner simulating home ex posure resulted late asthmatic response rhinorrhea lacrimation Increased bronchial Continued page 16 14 Model Aviation Potential health hazards use Ji NOW TI4AT WI4AT [ CALL MrFTN WALL OF WNDI NI N AMA MEMBERS THE ALL NEW 11th EDITION RadioControl Buyeis Guide IS HOT OFF THE PRESS Hobbyists Guide World Radio Control have visited AMA Museum let Radio Control Buyers Guide take See eight pages full color models photo graphed AMA Museum plus much THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft s os Systems nes ware s Finishing Materials ssories Videos Dealers local hobby shop does stock copies Guide please send request payment $1495 $1195 postage/handling RADIO CONTROL BUYERS GUIDE 14101 Parke Ct Suite G Chantilly VA 22021 may use VISA MasterCard charge payment sending card number expiration date order ASTRO FLIGHT 5VSTFMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ 8920 ChallerrgerCobalt7celI 05 Direct $10621 Challenger CobaS 12 cell 15 Direct $14020 Challenger CobaC 14 cell 25 Direct $1 570 Challenger Cobah 18 cell 40 Direct $19540 Challenger Cobae 24 cell 60 Direct $28471 AsITo DC/DC Super Charger oplo 28 cells Aslro AC/DC Charger current adust Astro DC/DC Charger Antrh Electric Throttle Astro On-Ott Motor Control Electronic AQQESQRL Andernon Power Pole Connector 4 housings / 4 pins Gold Pin Moleo Connector Tarniya Connector Hi-Flee Wire 35 no red & black 16 GajodO Strand Daseyn 30 An Metert Micro Sw6ch Harnesot 3/16 Flat Braid br Soldering Baltenien Heat Shrink Tubing Batteries 25 101 4SOAR 900 & I200SCR Flat Packs 3 br 800AR Flat Packs 4 br 600AR & t200SCR Stacked Packo Geared $ 9771 Geared $11046 Geared $12745 Geared $16145 Geared $18696 Geared 921 671 $8296 $5500 53200 $5596 $3156 $200 /pr $210 /pr $150/pr $200 $1995 $450 5050/9 $150/S $16019 $165/S 1&cFLLS 4 Cell 450 nsA $1950 SCell 4SOmA$2300 450AR $35060 6Cell eOOnsA$2920 7Cell eOOnskS33lh 600AR $3SSeo 6 Cell 900 mA $2580 7 Cell 900 rmh 53365 900SCR 940560 6 Cell lOSOmA $2920 7 Cell t200nA $3315 1200SCR$3SSea eAII packs wired tIat packs t Please specity denired connectort ELECTRIC POWER KITS MMC USro MK IV 68 Span Saih7lane tsr 05 Gear$3796 MMC Electric Plasknp 67 Span Old Timer bOO Gear$2600 Astro Challenger 73 Span Sailplane tOr 05 Gear$3250 EMD Electra GIde II 73 Span Sailplane 12105$3100 EMD Thermic Traveler Sailplane 76 Spun 10105$3100 EMO Sky Knight 44 Span Troiner br 05$2420 EMD Lightning 39 Span Aerobotic Spas Model 10105$2400 MMC Fast Eddie Aerobatic Sport Model tsr 05$2400 Aslro Snorl 57 82400 IT /snTOOOrTO OL Tn 5O0T Torso PPING & HANDLING76 Page CATALOGUE Up $600 add $200$200 pp/lst Class frcc $801 1052000 odd $250when reqsested order $2001 94500 odd $325 $4501 $7000 odd $375 Doer $7000 odd 54SoHOBBY HORN CA Addressees 0446% too Send 3 Moran St [A] MO VSA/MC Ib& Eop Dote nr OBon 2212 Check allowupto3odaynlorWestminster Co 52684 check clearance COD t chargen p1uo $150 893-8311 handling Cash OnlyHrs Mon-Pr SAM 5PM hyper-reactivity methacholine occurred after bronchial challenge persisted several weeks Complete resolution patients asthma symptoms occurred avoidance glue Reversion negative methacholine chal lenge test occurred after six months continued avoidance seek assistance friend doctor interpretation some terms above summary Most Im sure will require definition asthma record Webster states condition ten allergic origin marked continuous paroxysmal labored breathing accompanied wheezing sense constriction chest often attacks coughing gasping According doctor friend rhinitis rhi norrhea merely describe medical jargon runny nose Lacrimation means tearing water ing eyes symptoms experI enced patient case asthmatic condition would appear serious However should note condition nor permanent although took some six months did disappear exposure CyA fumes avoided Some details IM case report may interest follows 32-year-old white man accountant computer representative evaluated because 12-month history asthma Wheezing cough chest tightness dyspnea Shortness breath JP profuse watery rhinorrhea first noticed about year after started using instant glue adhesive building remotecontrol model airplanes glue ethylcy anoacrylate ester solubilized solvent appli cation purposesContinued pctge 18 16 Model Aviation I0 perfectly proporuonwo ror mode. Curtlss Rob 049 EngInes -Channel we. 41 Wingspan ElectrIc Power Optional 2295 OTT 0T03 Very law toll scale aircraft ideally Suited model IlighI 18 appealing old Curtiss RoSin born spruce linen age heautitolly proportinned rusher electric glow engines Easy ton hoild traIner-like pertorotance Flyline Models Catalog 506phone 17031 273-9593 FLYLINE MODELS INC 7PO Box 2136 FaIrfax Virginia22031 USA z~ H0bbY H0 #11 BLADES L31141 $895 per 100 Delivered Check MO Visa MC Products Sold Unconditional Money Back Guarantee Write Complete Poce List Berkeley Trading Co PO Box 26 Berkeley Springs WV 25411 304 258-2773 AVAILABLE IN 4-COLORS. Red Yellow White Black HEAT SHRINKABLE 4 MILTHICK FILM EASY TO FOLLOW INSTRUCTIONS 468Helicopter Tail Rotor Blade Covering 7/8 x 9Wht478Helicopter Main Rotor Blade Covering 2 x 48Red 469Helicopter Tail Rotor Blade Covering 7/8 x 981k479Helicopter Main Rotor Blade Covering 2 x 48Yel 470Helicopter Tail Rotor Blade Covering 7/8x 9Red480Helicopter Main Rotor Blade Covering 2-1/2 x 60Wht 471Helicopter Tail Rotor Blade Covering 7/8x 9Yel481Helicopter Main Rotor Blade Covering 2-1/2 x 6081k 472Helicopter Tail Rotor Blade Covering 1-7/16x 12WhI482Helicopter Main Rotor Blade Covering 2-112x 60Red 473 Helicopter Tail Rotor Blade Covering 1-7/16x 12 81k 483 Helicopter Main Rotor Blade Covering 2-112x 60 Yel 474 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Red 484 Helicopter Main Rotor Blade Covering 3-1/4x 60 WhI 475 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Yel 485 Helicopter Main Rotor Blade Covering 3-114x 60 BIk 476 Helicopter Main Rotor Blade Covering 2 x 48 Wht 486 Helicopter Main Rotor Blade Covering 3-1/4 x 60 Red 477 Heilcopter Main Rotor Blade Covering 2 x 48 81k 487 Helicopter Main Rotor Blade Covering 3-1/4x 60 Yel Box 1063 Lorain Ohio 44055 IA PhonA 216 282-8354 PEANUT SCALE Piper Vagabond Piper Cub Stinsori 125 Out door kits each. $750 ht Indoor kits $795 OUTDOOR PEANUT Super SCale. NEW Micro X Hornet P-3D 5 SPORT SCALE PC-S Porter Taylor Craft Stinson Voyager Rubber CO2 Power Kits each. $850 SPORT MODELS An Embryo Model 18 Span designed wini beginners experts. $850 HARD-TO-FIND ITEMS Early Bird TIssue AntIque AIrcraft*695 TrueOldeJspaneeeTleeuel0ln3coore*695 Japanese TIssue 12 inS cobra*395 Mlcrollte Silver*395 MIcrofilm Glue Solvent Condenser Paper3alieete*410 Plan Semice over 17 Scale Sport Scale ft Peanut Scale Rubber StrIp 020 thru 085each *195 3132 thru 5132each *250 Windar6i *895Mark 1161 . *1295 Complete Une Brown CO Motors Balsa Wood Outdoor & Indoor Sheets ft Strips Add 10% Poetege um Postage *150 COMPLETE CATALOG *150 Shortness breath puffy lips rhinor rhea developed 30 minutes 15 hours after ap plying glue balsa wood confined work area Wheezing dyspnea chest tightness oc curred three five hours later often awakening him night Profuse watery rhinorrhea noted 12 24 hours after exposure patients asthmatic attacks always preceded work model airplanes using stant glue denied having symptoms used other types glues After continued avoidance instant glue free symptoms several months case wondering above state ment glue solubilized applica tion purposes means diluted some manner modeler According authors medical paper state ment clarifies nature product Modelers should attempt dilute cyanoacrylate glue effort prolong shelf life Some other pertinent facts case strong family history allergy asthma positive skin tests grasses feathers no history drug food al lergies smoked pack cigarettes day five years no other hobbies exposure significant occupational allergens case wondering whether symp toms modeler case may have caused something other use CyA should add admitted University Cincinnati General Clinical Research Center tests under controlled conditions tests subjected patient CyA glue vapors built fuselage model under laboratory hood Id last person suggest discon Continued page 20 o cert4 ed otredro o money orders accepted Minimam order 5 0 ackages o 4 Powertolen $3nt per padrape s1 ntnpmne handling CT renidents add 75% sales tan Prices nnbect change withont notice DEALER ISOOINRIES INVITED tcrther intormation dea er anoes send SASE eninetocerd SERMOS RIC SNAP CONNECTORS Cai Coxws Statui Box 16787 Stailfrsrl CT 16915 203322-6294 ROCKET PLANE Only $395 eaGoes up like rocket plus *1/order 5 ft HGlides down like plane Ready Fly e Balsa Wood Hand Crafted THE FLORTO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 18 Model Aviation WITH EASY TO APPLY HELICOPTER BLADE COVERING FIVE SIZES AVAILABLE 7/8 x 9 1-7/1 6x 12 2x 48 2-1 /2x 60 3-1/4x 60 FUN FOR ThE WHOLE FAMILY * flrst pOrn CO3 FF UK Nationals * Legal Pee Wee 20 ie * swlnga Ito 10 props flU rpm * CO3 motor Weighs 11 ounces * MI swings 10- 14 props DUO rpm * MCO3 motor weighta 2I ounces * Iupertlwusttowslght ratio * Fii adjustable pow settings * Charges seconds * Sefeto fly Indoors * Might times appro 2 mm witit tank shown * Multi-tank systems avail RIC n low-cost Industrial CO Swida self-addrssasd stamped envelope *100 ord ng information CARBONIC MOTORS Division Davis Dissel Development PO Box 141 Mllford CT 06406 208477-16709-530 M-F tinue use cyanoacrylate glue because possibility too might suffer some ill ef fects However recommend con sider exhaust fan workshop fan practical respirator double charcoal filter may answer anyone wishing read entire article concerning case study modeler suffered asthma symptoms can obtained Stuart M Brooks MD University Cincinnati Medical Center Mail Location 182 Cincinnati OH 45267 Another reaction reported several readers allegedly result use cyano acrylate glue skin irritation As previously stated modeler said symptoms hivelike itching over body An other reader police officer uses cyanoac rylate vapors job enhance fix finger prints performed airtight tank vapors normally cleared exhaust fan before tank opened letter reported occasion opened tank before exhausting fumes struck full face concen trated CyA fumes As result take sick leave because broken out large red patches over felt time like case terminal itch Nothing did would re lieve severe itching visit dermatol ogist resulted some medication itching lasted five days colleague work recently gave copy article titied Cyanoacrylate Dermatitis appeared medical journal called Contact Der matitis believe British publication abstrsct preceded article stated An outbreak irritant dermatitis cyano acrylate glue among group electronic assem Continued page 22 20 Model Aviation ITSAGAS 020 & 048 CO2 Conversion Kits Motors BATT- CHEKBX Saves Time . Saves Models Install AC Models 3-Level indication receiver battery status press button -%%Precise Rugged Small Light 1/2 ozI Made USA Also custom units other applications Order Today $1495 dealer send check money order topostpaid Protune Corp 914 4626452 PO Box 1508 Poughkeepel NY 12601 NY State residents add sales tax COMPOSITE MA TERIALS CARBON FIBER LAMINATES -CARBON & KEVLAR MATS KEVLAR GRAPHITE FABRICS tSozisqftGLASSCLOTh CARBON & KEVIAR TAPES CARBON FIBER RIBBON GLASS FOAM PANELS GLASS END GRAIN BALSA PANELS CARBON FIBER END GRAIN BALSA PANELS BRAIDED CARBON CORD 074 CARBON FIBER FLEX PLATES SAFET-POXV Epoxy Lwnlnghig Res Send SASE complete liMing products te Aerospace Composite Products PO Box 16621- InvlneCA-92714 714 250-1107 To NOSTALG-Air PO Box 8510 Michigan City Indiana 46360 bly workers described caused vapor ization monomer under conditions low rela tive humidity No further outbreak occurred humidity working environment raised above 55% article Contact Dermatitis summarized symptoms five female workers elec tronics assembly plant experienced initation skin face However unlike pre vious case report patient experi enced problems using CyA glue build models workers aling wires bottom small metal box addi tional use soldering iron article states glue polymerizes sets almost im mediately soldering iron burns ex cess glue produces vapor causes sting ing eyes Although isnt stated article seems use soldering iron may have factor causing skin irritation symptoms example article did state following cyanoacrylates polymerize almost stantaneously presence water As re sult can used immediate contact adhe sives great strength sealants hu mm tissues Because feature would seem impossible could combine proteins polypeptides form covalent bonded hapten-protein complex become aller genic possibility dermatitis should non existent way interpret statement logic dictates what happened shouldnt have hap pened author article went say manufacturer CyA glue ld us although good ventilation recoinContinued page 126 22 Model Aviation Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers uri Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Ii] Ii] II JIIwAIwrrINDLy PRODUCTS WACO UPF7 V5 SCALE 72 12046 OR LARGER SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST 4PO Box 306DeptMA Post Falls ID 83854 208 7739001 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation
Edition: Model Aviation - 1988/07
Page Numbers: 14, 16, 18, 20, 22, 126
instant CyA glues revisited CYANOACRYLATE GLUE months Safe ty column reprint appeared October 1985 issue Model Aviation entirely devoted possible health hazard presented use CyA glue eight years Ive writing col umn have never previously recycled en tire column reason Im doing now cause letters received model ers asked copies October 85 column mentioned January 1988 column such available upon request have readers since before October 1985 apologize repeat ever think following material sufficiently important new AMA members oth ers may have seen previously jus tify rerun go Can use CyA glue pose health hazardor have number articles mod eling magazines club newslet ters have alleged cyanoacrylate stant glues may represent health hazard user column has previously reprinted nu merous accounts readers have related tales sticking various body parts together using such glues now think readers must well aware minor problem what am going address column Back April 1985 issue Model Avia tion quoted excerpts letter Roy McGuckin stated stop using CyA glue because problems experi enced severe lung congestion hivelike itching over body Since publication Roys experiences column numerous other readers have called written describe similar symptoms basis no smoke fire decided try track down allegations symp toms result using CyA glue sent letters three hobby distributors CyA glue Center Occupational Haz ards New York City letters described symptoms modelers outlined let ters asked comments whether symptoms really could result using CyA glue products Letters response mentioned need ADEQUATE VENTILATION using cya noacrylate glue Center Occupational Hazards stated Both common cyanoacry lates methyl-2 ethyl-2-cyanoacrylate credibly irritating causing tearing eyes damage membranes respiratory sys tem hobby distributors cyanoacrylate products sent some information cluded summary study Eastman Kodak Company study 14 individuals delib erately exposed vapors cyanoacrylates results .. ed odor cyanoacrylate perceptible about part per million ppm some subjects range five ppm Following perception odor throat nose irritation usually re ported begin levels about two three ppm range throat nose irritation two 20 ppm Based studies researchers con cluded exposures should probably limited levels three ppm less consistent Material Safety Data Sheet concerning specific brand ethyl-2-cyanoacrylate re ceived Center Occupational Hazards stated supplier recommends Threshold Limit Value TLV two ppm point may well wondering level relates what might expect workshop quote letter C OH highiy unlikely hobbyists work ing ordinary home studio environments can keep exposures below level work very long result overexposure can respiratory irritation sufficient cause much stuffiness discomfort can also leave respiratory tract susceptible colds infec tions readers would well-advised use some exhaust ventilation such working front window exhaust fan working glue Several letters Ive received read ers experienced breathing difficulties after heavy use CyA glue stated doctors skeptical problems result use such glue Apparently lit tle no information medical literature con cerning respiratory irritation resulting use cyanoacrylate glue doctor skeptics might want refer him May 1985 issue Annals Internal Medicine Vol 102 No 5 pages 613 615 featured case re port titled Asthma Rhinitis Due Ethylcy anoacrylate Instant Glue authored several doctors University Cincinnati Medical Center summary case reads follows 32-year-old man developed asthma due cyanoacrylate ester instant glue used building remote-control model alrplanes Typical asthma rhinitis symptoms developed after year using adhesive Delayed onset symptoms consistently related application glue balsa wood Bronchial provocation glue vapors manner simulating home ex posure resulted late asthmatic response rhinorrhea lacrimation Increased bronchial Continued page 16 14 Model Aviation Potential health hazards use Ji NOW TI4AT WI4AT [ CALL MrFTN WALL OF WNDI NI N AMA MEMBERS THE ALL NEW 11th EDITION RadioControl Buyeis Guide IS HOT OFF THE PRESS Hobbyists Guide World Radio Control have visited AMA Museum let Radio Control Buyers Guide take See eight pages full color models photo graphed AMA Museum plus much THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft s os Systems nes ware s Finishing Materials ssories Videos Dealers local hobby shop does stock copies Guide please send request payment $1495 $1195 postage/handling RADIO CONTROL BUYERS GUIDE 14101 Parke Ct Suite G Chantilly VA 22021 may use VISA MasterCard charge payment sending card number expiration date order ASTRO FLIGHT 5VSTFMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ 8920 ChallerrgerCobalt7celI 05 Direct $10621 Challenger CobaS 12 cell 15 Direct $14020 Challenger CobaC 14 cell 25 Direct $1 570 Challenger Cobah 18 cell 40 Direct $19540 Challenger Cobae 24 cell 60 Direct $28471 AsITo DC/DC Super Charger oplo 28 cells Aslro AC/DC Charger current adust Astro DC/DC Charger Antrh Electric Throttle Astro On-Ott Motor Control Electronic AQQESQRL Andernon Power Pole Connector 4 housings / 4 pins Gold Pin Moleo Connector Tarniya Connector Hi-Flee Wire 35 no red & black 16 GajodO Strand Daseyn 30 An Metert Micro Sw6ch Harnesot 3/16 Flat Braid br Soldering Baltenien Heat Shrink Tubing Batteries 25 101 4SOAR 900 & I200SCR Flat Packs 3 br 800AR Flat Packs 4 br 600AR & t200SCR Stacked Packo Geared $ 9771 Geared $11046 Geared $12745 Geared $16145 Geared $18696 Geared 921 671 $8296 $5500 53200 $5596 $3156 $200 /pr $210 /pr $150/pr $200 $1995 $450 5050/9 $150/S $16019 $165/S 1&cFLLS 4 Cell 450 nsA $1950 SCell 4SOmA$2300 450AR $35060 6Cell eOOnsA$2920 7Cell eOOnskS33lh 600AR $3SSeo 6 Cell 900 mA $2580 7 Cell 900 rmh 53365 900SCR 940560 6 Cell lOSOmA $2920 7 Cell t200nA $3315 1200SCR$3SSea eAII packs wired tIat packs t Please specity denired connectort ELECTRIC POWER KITS MMC USro MK IV 68 Span Saih7lane tsr 05 Gear$3796 MMC Electric Plasknp 67 Span Old Timer bOO Gear$2600 Astro Challenger 73 Span Sailplane tOr 05 Gear$3250 EMD Electra GIde II 73 Span Sailplane 12105$3100 EMD Thermic Traveler Sailplane 76 Spun 10105$3100 EMO Sky Knight 44 Span Troiner br 05$2420 EMD Lightning 39 Span Aerobotic Spas Model 10105$2400 MMC Fast Eddie Aerobatic Sport Model tsr 05$2400 Aslro Snorl 57 82400 IT /snTOOOrTO OL Tn 5O0T Torso PPING & HANDLING76 Page CATALOGUE Up $600 add $200$200 pp/lst Class frcc $801 1052000 odd $250when reqsested order $2001 94500 odd $325 $4501 $7000 odd $375 Doer $7000 odd 54SoHOBBY HORN CA Addressees 0446% too Send 3 Moran St [A] MO VSA/MC Ib& Eop Dote nr OBon 2212 Check allowupto3odaynlorWestminster Co 52684 check clearance COD t chargen p1uo $150 893-8311 handling Cash OnlyHrs Mon-Pr SAM 5PM hyper-reactivity methacholine occurred after bronchial challenge persisted several weeks Complete resolution patients asthma symptoms occurred avoidance glue Reversion negative methacholine chal lenge test occurred after six months continued avoidance seek assistance friend doctor interpretation some terms above summary Most Im sure will require definition asthma record Webster states condition ten allergic origin marked continuous paroxysmal labored breathing accompanied wheezing sense constriction chest often attacks coughing gasping According doctor friend rhinitis rhi norrhea merely describe medical jargon runny nose Lacrimation means tearing water ing eyes symptoms experI enced patient case asthmatic condition would appear serious However should note condition nor permanent although took some six months did disappear exposure CyA fumes avoided Some details IM case report may interest follows 32-year-old white man accountant computer representative evaluated because 12-month history asthma Wheezing cough chest tightness dyspnea Shortness breath JP profuse watery rhinorrhea first noticed about year after started using instant glue adhesive building remotecontrol model airplanes glue ethylcy anoacrylate ester solubilized solvent appli cation purposesContinued pctge 18 16 Model Aviation I0 perfectly proporuonwo ror mode. Curtlss Rob 049 EngInes -Channel we. 41 Wingspan ElectrIc Power Optional 2295 OTT 0T03 Very law toll scale aircraft ideally Suited model IlighI 18 appealing old Curtiss RoSin born spruce linen age heautitolly proportinned rusher electric glow engines Easy ton hoild traIner-like pertorotance Flyline Models Catalog 506phone 17031 273-9593 FLYLINE MODELS INC 7PO Box 2136 FaIrfax Virginia22031 USA z~ H0bbY H0 #11 BLADES L31141 $895 per 100 Delivered Check MO Visa MC Products Sold Unconditional Money Back Guarantee Write Complete Poce List Berkeley Trading Co PO Box 26 Berkeley Springs WV 25411 304 258-2773 AVAILABLE IN 4-COLORS. Red Yellow White Black HEAT SHRINKABLE 4 MILTHICK FILM EASY TO FOLLOW INSTRUCTIONS 468Helicopter Tail Rotor Blade Covering 7/8 x 9Wht478Helicopter Main Rotor Blade Covering 2 x 48Red 469Helicopter Tail Rotor Blade Covering 7/8 x 981k479Helicopter Main Rotor Blade Covering 2 x 48Yel 470Helicopter Tail Rotor Blade Covering 7/8x 9Red480Helicopter Main Rotor Blade Covering 2-1/2 x 60Wht 471Helicopter Tail Rotor Blade Covering 7/8x 9Yel481Helicopter Main Rotor Blade Covering 2-1/2 x 6081k 472Helicopter Tail Rotor Blade Covering 1-7/16x 12WhI482Helicopter Main Rotor Blade Covering 2-112x 60Red 473 Helicopter Tail Rotor Blade Covering 1-7/16x 12 81k 483 Helicopter Main Rotor Blade Covering 2-112x 60 Yel 474 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Red 484 Helicopter Main Rotor Blade Covering 3-1/4x 60 WhI 475 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Yel 485 Helicopter Main Rotor Blade Covering 3-114x 60 BIk 476 Helicopter Main Rotor Blade Covering 2 x 48 Wht 486 Helicopter Main Rotor Blade Covering 3-1/4 x 60 Red 477 Heilcopter Main Rotor Blade Covering 2 x 48 81k 487 Helicopter Main Rotor Blade Covering 3-1/4x 60 Yel Box 1063 Lorain Ohio 44055 IA PhonA 216 282-8354 PEANUT SCALE Piper Vagabond Piper Cub Stinsori 125 Out door kits each. $750 ht Indoor kits $795 OUTDOOR PEANUT Super SCale. NEW Micro X Hornet P-3D 5 SPORT SCALE PC-S Porter Taylor Craft Stinson Voyager Rubber CO2 Power Kits each. $850 SPORT MODELS An Embryo Model 18 Span designed wini beginners experts. $850 HARD-TO-FIND ITEMS Early Bird TIssue AntIque AIrcraft*695 TrueOldeJspaneeeTleeuel0ln3coore*695 Japanese TIssue 12 inS cobra*395 Mlcrollte Silver*395 MIcrofilm Glue Solvent Condenser Paper3alieete*410 Plan Semice over 17 Scale Sport Scale ft Peanut Scale Rubber StrIp 020 thru 085each *195 3132 thru 5132each *250 Windar6i *895Mark 1161 . *1295 Complete Une Brown CO Motors Balsa Wood Outdoor & Indoor Sheets ft Strips Add 10% Poetege um Postage *150 COMPLETE CATALOG *150 Shortness breath puffy lips rhinor rhea developed 30 minutes 15 hours after ap plying glue balsa wood confined work area Wheezing dyspnea chest tightness oc curred three five hours later often awakening him night Profuse watery rhinorrhea noted 12 24 hours after exposure patients asthmatic attacks always preceded work model airplanes using stant glue denied having symptoms used other types glues After continued avoidance instant glue free symptoms several months case wondering above state ment glue solubilized applica tion purposes means diluted some manner modeler According authors medical paper state ment clarifies nature product Modelers should attempt dilute cyanoacrylate glue effort prolong shelf life Some other pertinent facts case strong family history allergy asthma positive skin tests grasses feathers no history drug food al lergies smoked pack cigarettes day five years no other hobbies exposure significant occupational allergens case wondering whether symp toms modeler case may have caused something other use CyA should add admitted University Cincinnati General Clinical Research Center tests under controlled conditions tests subjected patient CyA glue vapors built fuselage model under laboratory hood Id last person suggest discon Continued page 20 o cert4 ed otredro o money orders accepted Minimam order 5 0 ackages o 4 Powertolen $3nt per padrape s1 ntnpmne handling CT renidents add 75% sales tan Prices nnbect change withont notice DEALER ISOOINRIES INVITED tcrther intormation dea er anoes send SASE eninetocerd SERMOS RIC SNAP CONNECTORS Cai Coxws Statui Box 16787 Stailfrsrl CT 16915 203322-6294 ROCKET PLANE Only $395 eaGoes up like rocket plus *1/order 5 ft HGlides down like plane Ready Fly e Balsa Wood Hand Crafted THE FLORTO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 18 Model Aviation WITH EASY TO APPLY HELICOPTER BLADE COVERING FIVE SIZES AVAILABLE 7/8 x 9 1-7/1 6x 12 2x 48 2-1 /2x 60 3-1/4x 60 FUN FOR ThE WHOLE FAMILY * flrst pOrn CO3 FF UK Nationals * Legal Pee Wee 20 ie * swlnga Ito 10 props flU rpm * CO3 motor Weighs 11 ounces * MI swings 10- 14 props DUO rpm * MCO3 motor weighta 2I ounces * Iupertlwusttowslght ratio * Fii adjustable pow settings * Charges seconds * Sefeto fly Indoors * Might times appro 2 mm witit tank shown * Multi-tank systems avail RIC n low-cost Industrial CO Swida self-addrssasd stamped envelope *100 ord ng information CARBONIC MOTORS Division Davis Dissel Development PO Box 141 Mllford CT 06406 208477-16709-530 M-F tinue use cyanoacrylate glue because possibility too might suffer some ill ef fects However recommend con sider exhaust fan workshop fan practical respirator double charcoal filter may answer anyone wishing read entire article concerning case study modeler suffered asthma symptoms can obtained Stuart M Brooks MD University Cincinnati Medical Center Mail Location 182 Cincinnati OH 45267 Another reaction reported several readers allegedly result use cyano acrylate glue skin irritation As previously stated modeler said symptoms hivelike itching over body An other reader police officer uses cyanoac rylate vapors job enhance fix finger prints performed airtight tank vapors normally cleared exhaust fan before tank opened letter reported occasion opened tank before exhausting fumes struck full face concen trated CyA fumes As result take sick leave because broken out large red patches over felt time like case terminal itch Nothing did would re lieve severe itching visit dermatol ogist resulted some medication itching lasted five days colleague work recently gave copy article titied Cyanoacrylate Dermatitis appeared medical journal called Contact Der matitis believe British publication abstrsct preceded article stated An outbreak irritant dermatitis cyano acrylate glue among group electronic assem Continued page 22 20 Model Aviation ITSAGAS 020 & 048 CO2 Conversion Kits Motors BATT- CHEKBX Saves Time . Saves Models Install AC Models 3-Level indication receiver battery status press button -%%Precise Rugged Small Light 1/2 ozI Made USA Also custom units other applications Order Today $1495 dealer send check money order topostpaid Protune Corp 914 4626452 PO Box 1508 Poughkeepel NY 12601 NY State residents add sales tax COMPOSITE MA TERIALS CARBON FIBER LAMINATES -CARBON & KEVLAR MATS KEVLAR GRAPHITE FABRICS tSozisqftGLASSCLOTh CARBON & KEVIAR TAPES CARBON FIBER RIBBON GLASS FOAM PANELS GLASS END GRAIN BALSA PANELS CARBON FIBER END GRAIN BALSA PANELS BRAIDED CARBON CORD 074 CARBON FIBER FLEX PLATES SAFET-POXV Epoxy Lwnlnghig Res Send SASE complete liMing products te Aerospace Composite Products PO Box 16621- InvlneCA-92714 714 250-1107 To NOSTALG-Air PO Box 8510 Michigan City Indiana 46360 bly workers described caused vapor ization monomer under conditions low rela tive humidity No further outbreak occurred humidity working environment raised above 55% article Contact Dermatitis summarized symptoms five female workers elec tronics assembly plant experienced initation skin face However unlike pre vious case report patient experi enced problems using CyA glue build models workers aling wires bottom small metal box addi tional use soldering iron article states glue polymerizes sets almost im mediately soldering iron burns ex cess glue produces vapor causes sting ing eyes Although isnt stated article seems use soldering iron may have factor causing skin irritation symptoms example article did state following cyanoacrylates polymerize almost stantaneously presence water As re sult can used immediate contact adhe sives great strength sealants hu mm tissues Because feature would seem impossible could combine proteins polypeptides form covalent bonded hapten-protein complex become aller genic possibility dermatitis should non existent way interpret statement logic dictates what happened shouldnt have hap pened author article went say manufacturer CyA glue ld us although good ventilation recoinContinued page 126 22 Model Aviation Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers uri Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Ii] Ii] II JIIwAIwrrINDLy PRODUCTS WACO UPF7 V5 SCALE 72 12046 OR LARGER SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST 4PO Box 306DeptMA Post Falls ID 83854 208 7739001 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation
Edition: Model Aviation - 1988/07
Page Numbers: 14, 16, 18, 20, 22, 126
instant CyA glues revisited CYANOACRYLATE GLUE months Safe ty column reprint appeared October 1985 issue Model Aviation entirely devoted possible health hazard presented use CyA glue eight years Ive writing col umn have never previously recycled en tire column reason Im doing now cause letters received model ers asked copies October 85 column mentioned January 1988 column such available upon request have readers since before October 1985 apologize repeat ever think following material sufficiently important new AMA members oth ers may have seen previously jus tify rerun go Can use CyA glue pose health hazardor have number articles mod eling magazines club newslet ters have alleged cyanoacrylate stant glues may represent health hazard user column has previously reprinted nu merous accounts readers have related tales sticking various body parts together using such glues now think readers must well aware minor problem what am going address column Back April 1985 issue Model Avia tion quoted excerpts letter Roy McGuckin stated stop using CyA glue because problems experi enced severe lung congestion hivelike itching over body Since publication Roys experiences column numerous other readers have called written describe similar symptoms basis no smoke fire decided try track down allegations symp toms result using CyA glue sent letters three hobby distributors CyA glue Center Occupational Haz ards New York City letters described symptoms modelers outlined let ters asked comments whether symptoms really could result using CyA glue products Letters response mentioned need ADEQUATE VENTILATION using cya noacrylate glue Center Occupational Hazards stated Both common cyanoacry lates methyl-2 ethyl-2-cyanoacrylate credibly irritating causing tearing eyes damage membranes respiratory sys tem hobby distributors cyanoacrylate products sent some information cluded summary study Eastman Kodak Company study 14 individuals delib erately exposed vapors cyanoacrylates results .. ed odor cyanoacrylate perceptible about part per million ppm some subjects range five ppm Following perception odor throat nose irritation usually re ported begin levels about two three ppm range throat nose irritation two 20 ppm Based studies researchers con cluded exposures should probably limited levels three ppm less consistent Material Safety Data Sheet concerning specific brand ethyl-2-cyanoacrylate re ceived Center Occupational Hazards stated supplier recommends Threshold Limit Value TLV two ppm point may well wondering level relates what might expect workshop quote letter C OH highiy unlikely hobbyists work ing ordinary home studio environments can keep exposures below level work very long result overexposure can respiratory irritation sufficient cause much stuffiness discomfort can also leave respiratory tract susceptible colds infec tions readers would well-advised use some exhaust ventilation such working front window exhaust fan working glue Several letters Ive received read ers experienced breathing difficulties after heavy use CyA glue stated doctors skeptical problems result use such glue Apparently lit tle no information medical literature con cerning respiratory irritation resulting use cyanoacrylate glue doctor skeptics might want refer him May 1985 issue Annals Internal Medicine Vol 102 No 5 pages 613 615 featured case re port titled Asthma Rhinitis Due Ethylcy anoacrylate Instant Glue authored several doctors University Cincinnati Medical Center summary case reads follows 32-year-old man developed asthma due cyanoacrylate ester instant glue used building remote-control model alrplanes Typical asthma rhinitis symptoms developed after year using adhesive Delayed onset symptoms consistently related application glue balsa wood Bronchial provocation glue vapors manner simulating home ex posure resulted late asthmatic response rhinorrhea lacrimation Increased bronchial Continued page 16 14 Model Aviation Potential health hazards use Ji NOW TI4AT WI4AT [ CALL MrFTN WALL OF WNDI NI N AMA MEMBERS THE ALL NEW 11th EDITION RadioControl Buyeis Guide IS HOT OFF THE PRESS Hobbyists Guide World Radio Control have visited AMA Museum let Radio Control Buyers Guide take See eight pages full color models photo graphed AMA Museum plus much THERES NO OTHER SOURCE LIKE IT Thousands photos descriptions up-to-date information Aircraft s os Systems nes ware s Finishing Materials ssories Videos Dealers local hobby shop does stock copies Guide please send request payment $1495 $1195 postage/handling RADIO CONTROL BUYERS GUIDE 14101 Parke Ct Suite G Chantilly VA 22021 may use VISA MasterCard charge payment sending card number expiration date order ASTRO FLIGHT 5VSTFMS Challenger Cobalt 4 cell 020 Direct $ 7645 Challenger Cobalt 5 cell 035 Direct $ 8920 ChallerrgerCobalt7celI 05 Direct $10621 Challenger CobaS 12 cell 15 Direct $14020 Challenger CobaC 14 cell 25 Direct $1 570 Challenger Cobah 18 cell 40 Direct $19540 Challenger Cobae 24 cell 60 Direct $28471 AsITo DC/DC Super Charger oplo 28 cells Aslro AC/DC Charger current adust Astro DC/DC Charger Antrh Electric Throttle Astro On-Ott Motor Control Electronic AQQESQRL Andernon Power Pole Connector 4 housings / 4 pins Gold Pin Moleo Connector Tarniya Connector Hi-Flee Wire 35 no red & black 16 GajodO Strand Daseyn 30 An Metert Micro Sw6ch Harnesot 3/16 Flat Braid br Soldering Baltenien Heat Shrink Tubing Batteries 25 101 4SOAR 900 & I200SCR Flat Packs 3 br 800AR Flat Packs 4 br 600AR & t200SCR Stacked Packo Geared $ 9771 Geared $11046 Geared $12745 Geared $16145 Geared $18696 Geared 921 671 $8296 $5500 53200 $5596 $3156 $200 /pr $210 /pr $150/pr $200 $1995 $450 5050/9 $150/S $16019 $165/S 1&cFLLS 4 Cell 450 nsA $1950 SCell 4SOmA$2300 450AR $35060 6Cell eOOnsA$2920 7Cell eOOnskS33lh 600AR $3SSeo 6 Cell 900 mA $2580 7 Cell 900 rmh 53365 900SCR 940560 6 Cell lOSOmA $2920 7 Cell t200nA $3315 1200SCR$3SSea eAII packs wired tIat packs t Please specity denired connectort ELECTRIC POWER KITS MMC USro MK IV 68 Span Saih7lane tsr 05 Gear$3796 MMC Electric Plasknp 67 Span Old Timer bOO Gear$2600 Astro Challenger 73 Span Sailplane tOr 05 Gear$3250 EMD Electra GIde II 73 Span Sailplane 12105$3100 EMD Thermic Traveler Sailplane 76 Spun 10105$3100 EMO Sky Knight 44 Span Troiner br 05$2420 EMD Lightning 39 Span Aerobotic Spas Model 10105$2400 MMC Fast Eddie Aerobatic Sport Model tsr 05$2400 Aslro Snorl 57 82400 IT /snTOOOrTO OL Tn 5O0T Torso PPING & HANDLING76 Page CATALOGUE Up $600 add $200$200 pp/lst Class frcc $801 1052000 odd $250when reqsested order $2001 94500 odd $325 $4501 $7000 odd $375 Doer $7000 odd 54SoHOBBY HORN CA Addressees 0446% too Send 3 Moran St [A] MO VSA/MC Ib& Eop Dote nr OBon 2212 Check allowupto3odaynlorWestminster Co 52684 check clearance COD t chargen p1uo $150 893-8311 handling Cash OnlyHrs Mon-Pr SAM 5PM hyper-reactivity methacholine occurred after bronchial challenge persisted several weeks Complete resolution patients asthma symptoms occurred avoidance glue Reversion negative methacholine chal lenge test occurred after six months continued avoidance seek assistance friend doctor interpretation some terms above summary Most Im sure will require definition asthma record Webster states condition ten allergic origin marked continuous paroxysmal labored breathing accompanied wheezing sense constriction chest often attacks coughing gasping According doctor friend rhinitis rhi norrhea merely describe medical jargon runny nose Lacrimation means tearing water ing eyes symptoms experI enced patient case asthmatic condition would appear serious However should note condition nor permanent although took some six months did disappear exposure CyA fumes avoided Some details IM case report may interest follows 32-year-old white man accountant computer representative evaluated because 12-month history asthma Wheezing cough chest tightness dyspnea Shortness breath JP profuse watery rhinorrhea first noticed about year after started using instant glue adhesive building remotecontrol model airplanes glue ethylcy anoacrylate ester solubilized solvent appli cation purposesContinued pctge 18 16 Model Aviation I0 perfectly proporuonwo ror mode. Curtlss Rob 049 EngInes -Channel we. 41 Wingspan ElectrIc Power Optional 2295 OTT 0T03 Very law toll scale aircraft ideally Suited model IlighI 18 appealing old Curtiss RoSin born spruce linen age heautitolly proportinned rusher electric glow engines Easy ton hoild traIner-like pertorotance Flyline Models Catalog 506phone 17031 273-9593 FLYLINE MODELS INC 7PO Box 2136 FaIrfax Virginia22031 USA z~ H0bbY H0 #11 BLADES L31141 $895 per 100 Delivered Check MO Visa MC Products Sold Unconditional Money Back Guarantee Write Complete Poce List Berkeley Trading Co PO Box 26 Berkeley Springs WV 25411 304 258-2773 AVAILABLE IN 4-COLORS. Red Yellow White Black HEAT SHRINKABLE 4 MILTHICK FILM EASY TO FOLLOW INSTRUCTIONS 468Helicopter Tail Rotor Blade Covering 7/8 x 9Wht478Helicopter Main Rotor Blade Covering 2 x 48Red 469Helicopter Tail Rotor Blade Covering 7/8 x 981k479Helicopter Main Rotor Blade Covering 2 x 48Yel 470Helicopter Tail Rotor Blade Covering 7/8x 9Red480Helicopter Main Rotor Blade Covering 2-1/2 x 60Wht 471Helicopter Tail Rotor Blade Covering 7/8x 9Yel481Helicopter Main Rotor Blade Covering 2-1/2 x 6081k 472Helicopter Tail Rotor Blade Covering 1-7/16x 12WhI482Helicopter Main Rotor Blade Covering 2-112x 60Red 473 Helicopter Tail Rotor Blade Covering 1-7/16x 12 81k 483 Helicopter Main Rotor Blade Covering 2-112x 60 Yel 474 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Red 484 Helicopter Main Rotor Blade Covering 3-1/4x 60 WhI 475 Helicopter Tail Rotor Blade Covering 1-7/16x 12 Yel 485 Helicopter Main Rotor Blade Covering 3-114x 60 BIk 476 Helicopter Main Rotor Blade Covering 2 x 48 Wht 486 Helicopter Main Rotor Blade Covering 3-1/4 x 60 Red 477 Heilcopter Main Rotor Blade Covering 2 x 48 81k 487 Helicopter Main Rotor Blade Covering 3-1/4x 60 Yel Box 1063 Lorain Ohio 44055 IA PhonA 216 282-8354 PEANUT SCALE Piper Vagabond Piper Cub Stinsori 125 Out door kits each. $750 ht Indoor kits $795 OUTDOOR PEANUT Super SCale. NEW Micro X Hornet P-3D 5 SPORT SCALE PC-S Porter Taylor Craft Stinson Voyager Rubber CO2 Power Kits each. $850 SPORT MODELS An Embryo Model 18 Span designed wini beginners experts. $850 HARD-TO-FIND ITEMS Early Bird TIssue AntIque AIrcraft*695 TrueOldeJspaneeeTleeuel0ln3coore*695 Japanese TIssue 12 inS cobra*395 Mlcrollte Silver*395 MIcrofilm Glue Solvent Condenser Paper3alieete*410 Plan Semice over 17 Scale Sport Scale ft Peanut Scale Rubber StrIp 020 thru 085each *195 3132 thru 5132each *250 Windar6i *895Mark 1161 . *1295 Complete Une Brown CO Motors Balsa Wood Outdoor & Indoor Sheets ft Strips Add 10% Poetege um Postage *150 COMPLETE CATALOG *150 Shortness breath puffy lips rhinor rhea developed 30 minutes 15 hours after ap plying glue balsa wood confined work area Wheezing dyspnea chest tightness oc curred three five hours later often awakening him night Profuse watery rhinorrhea noted 12 24 hours after exposure patients asthmatic attacks always preceded work model airplanes using stant glue denied having symptoms used other types glues After continued avoidance instant glue free symptoms several months case wondering above state ment glue solubilized applica tion purposes means diluted some manner modeler According authors medical paper state ment clarifies nature product Modelers should attempt dilute cyanoacrylate glue effort prolong shelf life Some other pertinent facts case strong family history allergy asthma positive skin tests grasses feathers no history drug food al lergies smoked pack cigarettes day five years no other hobbies exposure significant occupational allergens case wondering whether symp toms modeler case may have caused something other use CyA should add admitted University Cincinnati General Clinical Research Center tests under controlled conditions tests subjected patient CyA glue vapors built fuselage model under laboratory hood Id last person suggest discon Continued page 20 o cert4 ed otredro o money orders accepted Minimam order 5 0 ackages o 4 Powertolen $3nt per padrape s1 ntnpmne handling CT renidents add 75% sales tan Prices nnbect change withont notice DEALER ISOOINRIES INVITED tcrther intormation dea er anoes send SASE eninetocerd SERMOS RIC SNAP CONNECTORS Cai Coxws Statui Box 16787 Stailfrsrl CT 16915 203322-6294 ROCKET PLANE Only $395 eaGoes up like rocket plus *1/order 5 ft HGlides down like plane Ready Fly e Balsa Wood Hand Crafted THE FLORTO FLYER P37 Johnsonburg Rd 814 834-2586St Marys PA 15857 18 Model Aviation WITH EASY TO APPLY HELICOPTER BLADE COVERING FIVE SIZES AVAILABLE 7/8 x 9 1-7/1 6x 12 2x 48 2-1 /2x 60 3-1/4x 60 FUN FOR ThE WHOLE FAMILY * flrst pOrn CO3 FF UK Nationals * Legal Pee Wee 20 ie * swlnga Ito 10 props flU rpm * CO3 motor Weighs 11 ounces * MI swings 10- 14 props DUO rpm * MCO3 motor weighta 2I ounces * Iupertlwusttowslght ratio * Fii adjustable pow settings * Charges seconds * Sefeto fly Indoors * Might times appro 2 mm witit tank shown * Multi-tank systems avail RIC n low-cost Industrial CO Swida self-addrssasd stamped envelope *100 ord ng information CARBONIC MOTORS Division Davis Dissel Development PO Box 141 Mllford CT 06406 208477-16709-530 M-F tinue use cyanoacrylate glue because possibility too might suffer some ill ef fects However recommend con sider exhaust fan workshop fan practical respirator double charcoal filter may answer anyone wishing read entire article concerning case study modeler suffered asthma symptoms can obtained Stuart M Brooks MD University Cincinnati Medical Center Mail Location 182 Cincinnati OH 45267 Another reaction reported several readers allegedly result use cyano acrylate glue skin irritation As previously stated modeler said symptoms hivelike itching over body An other reader police officer uses cyanoac rylate vapors job enhance fix finger prints performed airtight tank vapors normally cleared exhaust fan before tank opened letter reported occasion opened tank before exhausting fumes struck full face concen trated CyA fumes As result take sick leave because broken out large red patches over felt time like case terminal itch Nothing did would re lieve severe itching visit dermatol ogist resulted some medication itching lasted five days colleague work recently gave copy article titied Cyanoacrylate Dermatitis appeared medical journal called Contact Der matitis believe British publication abstrsct preceded article stated An outbreak irritant dermatitis cyano acrylate glue among group electronic assem Continued page 22 20 Model Aviation ITSAGAS 020 & 048 CO2 Conversion Kits Motors BATT- CHEKBX Saves Time . Saves Models Install AC Models 3-Level indication receiver battery status press button -%%Precise Rugged Small Light 1/2 ozI Made USA Also custom units other applications Order Today $1495 dealer send check money order topostpaid Protune Corp 914 4626452 PO Box 1508 Poughkeepel NY 12601 NY State residents add sales tax COMPOSITE MA TERIALS CARBON FIBER LAMINATES -CARBON & KEVLAR MATS KEVLAR GRAPHITE FABRICS tSozisqftGLASSCLOTh CARBON & KEVIAR TAPES CARBON FIBER RIBBON GLASS FOAM PANELS GLASS END GRAIN BALSA PANELS CARBON FIBER END GRAIN BALSA PANELS BRAIDED CARBON CORD 074 CARBON FIBER FLEX PLATES SAFET-POXV Epoxy Lwnlnghig Res Send SASE complete liMing products te Aerospace Composite Products PO Box 16621- InvlneCA-92714 714 250-1107 To NOSTALG-Air PO Box 8510 Michigan City Indiana 46360 bly workers described caused vapor ization monomer under conditions low rela tive humidity No further outbreak occurred humidity working environment raised above 55% article Contact Dermatitis summarized symptoms five female workers elec tronics assembly plant experienced initation skin face However unlike pre vious case report patient experi enced problems using CyA glue build models workers aling wires bottom small metal box addi tional use soldering iron article states glue polymerizes sets almost im mediately soldering iron burns ex cess glue produces vapor causes sting ing eyes Although isnt stated article seems use soldering iron may have factor causing skin irritation symptoms example article did state following cyanoacrylates polymerize almost stantaneously presence water As re sult can used immediate contact adhe sives great strength sealants hu mm tissues Because feature would seem impossible could combine proteins polypeptides form covalent bonded hapten-protein complex become aller genic possibility dermatitis should non existent way interpret statement logic dictates what happened shouldnt have hap pened author article went say manufacturer CyA glue ld us although good ventilation recoinContinued page 126 22 Model Aviation Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers uri Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Ii] Ii] II JIIwAIwrrINDLy PRODUCTS WACO UPF7 V5 SCALE 72 12046 OR LARGER SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST 4PO Box 306DeptMA Post Falls ID 83854 208 7739001 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. 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