John Preston KiafetyVoes First d Are CyA glues dan gerous users Some information about PFM adhesive sealant safe electric starters Se curing RC pushrod connectors ALLEGED CyA glue hazards Safe ty Comes First column appeared September 1988 issue Model Aviation stated disagreed allegation CyA cyanoacrylate instant glueEd glue heated 525 Fahrenheit can emit hydrogen cyanide quantity will 10 times threshold limit fatal December 1988 Safety column included excerpts letter industrial chemist opinion conclusively refuted emissions could fatal glue used modeling purposes Two recent letters Bill Rauch Hyattsville MD modeler included articles containing similar allegation together three other alleged health hazards associated use CyA glue articles Bills letters December 1990 issue RIC Report Fall 1990 issue High Flight essentially identical listed four alleged hazards associated use CyA glues Both publications attributed listed hazards SAX publication containing about 3000 pages toxic/dangerous properties industrial chemicals Editors note material RIG Report letter reader magazines editor have requested yet obtained copy publication very much doubt contains alleged hazards form listed two articles two articles appears credit different person finding SAX reference However suspect neither author actually obtained information alleged hazards directly book believe Because language used describe alleged hazards article identical contained report SAM 35 British chapter Society Antique Modelers report appeared November 1989 issue Sam Speaks official publication society find rather disturbing articles alleging serious hazards accurately state source believe so-called SAX book actually book titled Dangerous Properties Industrial Materials N Irving Sax articles sent tome Bill Rauch made appear alleged hazards direct quotes Mr Saxs book first allegation concerning CyA compounds emit fatal hydrogen cyanide gas overheated Getting hot soldering iron covering iron close will Unless Mr Sax modeler doubt would know what covering iron set record straight alleged fatal emissions hydrogen cyanide following verbatim reprint discussion topic appeared December 1988 Safety column CyA glue September 1988 issue mentioned warning notice appeared bulletin board major aircraft manufacturers plant alleged heat super glue temperature 5250 Fahrenheit resulting hydrogen cyanide gas will both 10 times threshold limit fatal column also stated chemist work did believe statement asked readers could verify After reading September column Dr Jim Thomas chemist pharmaceutical research division Parke-Davis responded some objective data issue Jims letter contained calculations much CyA glue would have burned order reach acceptable exposure limit TLV threshold limit value 100 ppm parts per million hydrogen cyanide HCN answer would have burn about 40 drops glue confine resulting vapor enclosure volume cubic meter breathe atmosphere 10 minutes other words warning notice based facts Dr Thomass conclusions based facts stated letter Continued page 13 March 1991 11 column provIded address items concern regardIng safety aspects model aviation actIvities Content column however opinion author does necessarily represent offidal position Academy Model Aeronautics -V pV t4OLt IT o- IDNI YGIU ET $EThINc- CANNON805 581-5061- -RIC SYSTEMS 2828 Cochran St Suite 281 Simi Vattey CA 93065 C-MARK N/C U/C ENGINES SUPERB PRECISION EASYSTARTING ENGINES WITH TRUE R/CTHROTTLEOPERATION RELIABLE LOSPEED IDLE WITH SMOOTH RPM TRANSITION TO HI-SPEED TOP END 061 N/C- 17500 RPM STO GLOW PLUG NOT FURNISHED COMPLETE WITH THROTTLE U-CONTROL ENGINE$4550 WITH STANDARD CARB 6000 -18000RPM INCLUDES 03 N/CTHROTTLE WITH GLOW HEAD 8 PROP $46 UCONTROL VERSION WITH STANDARD CARB $4215 MUFFLERS ARE STANDARD WITH ALL ENGINES ADD $450 SHIPPING & HANDLING BROCHURE IN USA AND$300 FOREIGN ADD EQUIPMENT SALES TAX IN CA jCASH PRICES SHOWN VISACARDS 6%MORE _____20% DEPOSIT ON COD possible burning usual amount cured CyA could cause instantaneous exposure above TLV 10 times lethal dose noted article usual dissipation phenomena diffusion convection since burned CyA vapors would have hot would reduce local concentration HCN very quickly assuming normally ventilated area Also note cyanosis completely reversible unless death occurs first simply breathing uncontaminated air will reverse symptoms HCN poisoning case anyone wondering potential risk HCN poisoning event whole bottle CyA glue burned say fire home forget other things home present much greater risk producing toxic fumes event fireyour sofa has polyurethane foam stuffing being just could respond own opinion validity other three alleged hazards associated CyA glue However Im mechanical engineer toxicologist chemist So lend credibility what will say have little research Look subject future Safety column Meanwhile recommend avoid prolonged use CyA glue poorly Continued page 16 MIUWMY MODEL CO Old Timer Kits B/C AND FF Hobby Horn discount prices MMC FULL KITS listed Full Kits include cut parts plan strip sheet wood wire window material Kits marked ' have wire landing gear pre-bent 1936 FlyIng Quaker 84$6476 1938 Powerhouse 50*$2996 1937 Long Cabin 18$4716 1939 T Sportater 50$2698 1937 Quaker Flash 67$4556 1940 Buzzard Bombshell 50 span kit*$3596 1937 Air Chief 61$3596 IAQNew Ruler 74 $7116 N LW Thermic 100 GliderEajjaLkjI 100 S p Old Timer Sailplane--modifications shown R/Cl 0 P &WMODEL SERVICE Old Timer kits FF RIG following discount price full kits full kits clude cut pans plan stick sheet wood wire windshield material 1935 Miss America 84$7196 1936 Buccaneer 84$5996 1937 DallaIre 108$7516 1938 Clipper Mk 172$5328 1938 Kioud King 63$4236 1938 Powerhouse 84$5356 1938 Record Breaker 96$6956 1938 Trenton Terror 72$4076 1939 Korda Wake 44$1916 1939 Mercury 72$5836 1939 Zipper 54$5356 1940 Ranger 46$3196 1940 Sailplane 78$6476 1940 So Lonq 50$3036 1941 Brigidier 56$4076 1941 Super Quaker 76$7276 1941 Playboyjr 54$3116 1941 Playboy Sr 76$7276 1941 Brooklyn Dodger 56$4236 SHIElNQ&iArDLJNaB Page 1960 CATALOGUE $800 add h2O0$2 pp/i si Class free 1052000 add ested 1st order $250 $2001 $4500 add $325 $4501 y Horn $7000 add $375 Over $7000 add $450 3 MoAN ST[AI Calif add 625% tax BOX 2212 Send MO VISNMC # &WESTMINSTERCA 92684 Eap Check allow up 4 893-8311 1030 days clearanceHours Mon-Fri 9AM checks March 1991 13 Experienced builders will enjoy classic model world renowned Spitfire MkIX Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear Wing Span88 Wing Area1270 sq Fuselage Length77 Weight12-14 lbs MADE IN THE USA Functions4-6 2 Cycle Engine90-12 4 Cycle Engine12-16 CONTACT YOUR LOCAL DEALER U Hobby Horn hobby specialties ventilated workspace October 1985 Safety column reported such practice can result respiratory problems similar asthma Adhesive sealant Another article December 1990 issue R/C Report subject letter received Greg Namey president Innovative Model Products Greg included letter example adhesive sealant produces sold Hobby Lobby under brand name PFM also included sample competing product known Goop Product Test Report PFM written Gordon Banks appeared December 1990 issue RIC Report Mr Namey took issue several statements test report involves safety Excerpts letter follow As can see Banks advises readers thin PFM gasoline PLEASE Tell readers NEVER use gasoline thinner product other product Gasoline flammable its explosive As serious enough Mr Banks adds PS end article saying PFM Goop NOT TRUE Try test yourself piece sheet met al Put blob Goop blob PFM sheet metal take outside Put lighted match blob Goop will almost ignite before get near PFM will burn As matter fact PFM will extinguish burning Goop accordance above instructions attempted ignite blob PFM no success However Goop lived up warning its package DANGEREXTREMELY FLAMMABLE VAPORS MAY CAUSE FLASH FIRE PFM certainly Goop different package Furthermore would agree Greg Namey Dont use gasoline thinner anything Safe starters revisited According Jim Bocckinfuso two recent Safety columns gave some Free Flight Power modelers quite chuckle Following Jims recent letter Enjoy column though its RC oriented havent flying RC much last five years since progressed Free Flight Anyway just wanted let know gave Free Flight boys good chuckle March November issues talked about new discovery recently designed invented such-andsuch RC modeler called starter stand obvious have never Free Flight Power event last 20 years because use method starting engines Remember no throttle Free Flight model use engines up 60 size started full 16 Model Aviation Power easy starting power smooth take off s power intricate maneuvers Red Max makes engine come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs secret gredients keep engine last ing longer running power fully other ____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better wear charGrandacteristics Totalthan other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals Freight col act drums Deduct 3% prepay Mix qty Total qty determines price SC orders add 5% sales tax Dealer club prices avail Accept credit cards checks COD COD add $3 per carton Personal checks may held until cleared UPS Hazardous charge $500 per carton OTYFUELiGAL 4GAL24GAL6OGAL128GaI 54GAL TOTALS ordered MIXTUREDRUM AMT RED MAX PREMIUM FUEL l beginners ft sport flyers should use Avail synthetic castor blend RED MAXO94568563560056614300 RED MAX 5 1 090 795 745 725 651 20004 _______ RED MAX 10 1290 895 845 806 725 24972 _______ .REO MAX 12 1440 983 928 860 772 28192 ______ RED MAX 15 1590 1070 1010 914 620 31412 _______ RED MAX RACING FUEL Trophy winner planes boens ft cars two boat blends castor ok up 40% nitro -RED MAX 201745124511701125102543186 REDMAX251900142013301264119450272 REDMAX4O2608193316081716153971708 REDMAXSO3163228321231973176885968 RED MAX 6032202395222521231998100228 RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power ...104 CYCLE120089584580872524972 15-4CYCLE1500 1070 101091482031412 RED MAX HELICOPTER FUEL Extremely smooth running extra defoamer drk color special heavy oil helicptrs ..10 Helicopter134094589585877527672 .15Helicopter1640 1120 106098487034112 _______ RED MAX PERFORMANCE FUEL High flash point heavy oil use tuned pipes ducted fan ft other heavy dty app 5 Perlormance114084579577570122704 _______ 10 Performance134094589585877527672 -______ 15 Performance16401120100098487034112 _______ RED MAX FUEL Continued page 69 RED MAX PATTERN FUEL Proven best fuel pattern engines usIng pumps tuned pipes 5 Pattern1105810760740666 $20504 10 Pattern1305910860623740 25372 15 Pattern1605 1085 102592983528692 SUPER TIGER 3000 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 120089584580872524972 RED MAX DIESEL FUEL Superior diesel back list popular demand customers Ball Bearings 1767 1326 1290 1184 1060 DiesPirr8ktgs 1867 1426 1390 1284 1160 SMOKER FLUID best smoker fluid 2 end 4 cycle engInes Smoker Fluid129089584580872524972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon PLEASE PRINT NA 5A F CITY STATE ZIP CARD TYPE AND NA EXPIRATION DATE WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHUTS 36 48 30 BALSA SlICKS iS 48 1/16233 3/32 x 240 1/8o243 3/16x249 1/4x256 1/32x337 1/20x337 1/16o3374931 3/32x3445837 1/8o3557445 3/16x3638455 1/4x3759861 5/16x387115 3/8x39012871 1/2x3114160 3/4x3170200 1/16x4587848 3/32 x 4729756 1/8x48210966 3/16x49612675 1/4x411513984 3/8o4170235144 1/2x4235273200 MATCHEDSHUTS42 1324100 184/08 3/84120 /44131 1/16x1/410 hiSs3/811 1/16x1/215 3/32x1/412 3/32x3/813 3/32x1/217 1/8x1/809 1/8x1/41218 1/8x3/81319 1/Bo1/21824 3/16x3/161219 3/16x3/81821 3/16x1/22231 1/41/41826 1/4x3/82128 1/4x1/22232 1/4x3/43445 1/4x14257 5/16x5/162330 3/Bo3/82939 3/81/23349 3/8x3/44458 3/Bo18473 1/2x1/23855 1/2x3/44866 1/2a16082 5/8 a5/85270 3/4x3/47598 w BALM TRIANOLES 36 4425 383830 2235 343445 55 BALSA PLANKS 36 80 432 9 4283 11/243302 11/244398 22231 23338 244478 33815 344715 TAPERED SHUTS36 1/42 05 14385 38288 38308 123/20 LONE STAN EPOZY 9ozList 999 Sm/n600 15 rn/n600 30 rn/n600 iii i u f2il A OM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade e Kiln Dried ped 100% serious modeler want performance LIGHT 4-6 LB WOOD36 1/22362 1/20362 1/18362 3/32374 1/8381 3/183108 1/43128 3/83188 1/23190 3/43300 13425 1/18488 3/324119 1/84138 3/184187 1/44188 3/844285 1/24388 TRAILING EDGE 36 1/4132 5/184/1/439 3/841/246 1/2210 INSTPJ4TGiUE 1 07 Thick300 1 07 Th/n300 207 Th/ck550 207 Th/n550 must try 4-6 lb balsa * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 1/81/81725 1/841/42026 11843/82232 311643/182834 1/4 1/43450 1/4 3/84055 1/4 41/24085 3/843/84989 3/6 1/26077 1/24 1/28688 1/243/47897 SPRUCE TRDANGL ES 36 3/83/847 1/21/284 3/4 43/4 BASSWOOD45 31183/1826 3/1841/430 3/163/838 3/161/246 31163/460 1/41/442 1/443/849 1/43/480 3/83/860 3/81/270 3/83/490 121/290 123/4100 RUNDLEMALS 20-1/16336699 20-1/1 6o4x361035 20-3/32x3x36875 1 5-3/32o4x36956 15-1/8336750 10-1 /8o4x36695 16-3/163369A0 10-3/1 6x436835 10-1 /4x338655 10-1/44361060 1 0-3/8x336890 6-3/8x436655 5-1 /2x3x36540 6-1/2x4x361110 1 0-3/32x448885 6-1/8448500 6-3/16tt4x48600 6-1/444448645 HARD MAPLE 1 4 3/8 3/83/8 3/8 1 2 3/8 34 1234 16 40 45 50 58 88 uIRCHOOWELS 36 1809 31611 14/4 51625 3/832 3PiVEICH48 1I64x12835 1132x12475 1116812476 1/8x12486 SPL V3IRCU 48 3/32x12700 118x12776 3/16x12626 114x12625 3I8x12725 81 11212900 LJYEPLY48GROOVED L8 MOUNTS 03 hchea 118x61753/83/41/8AS 1/3x12360 1/46276jSx3/45/32l 1l4x12s1/2o3/4/3/16/50 LONE STAR MODELS Cont ling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57th St Lubbock IX 79412 St8te8 accept VISA MasterCard persona checks COD 6% tan Texas US currency on/y Mm wood order $1000 A Vp Safety/Preston Continued page 16 speed realize average RCer thinks use 049s rubber-powered planes its shame because real knowledge advancement always within ranks specialty groups within RC usually typical Sunday RC sport flier Although take offense statement know true Ive both sides fence years purpose publishing Jims letter twofold First again emphasize strongly feel about safety advantage offered engine starting device puts behind prop arc Safe Start Adapter 1/91 column Kranldng 11/90 column Charlie Holdens version 3/90 column dont have reach over prop adjust mixture less likely risk finger hand injury record during past few months Bill Nelsons Kranldngs has regularly set up used Northern Virginia RC Club flying field has received very positive comments second reason publishing Jims letter concerns comment real knowledge advancement always within ranks specialty groups happen fit such rank group has developed kind new safetyrelated device Id like share readers column apologize non-RC modelers like Jim feel column RC oriented reason letters sustain column come RCers Yes Jim absolutely correct have FF Power event last 20 years Try last 30 years think last such event attended Chobham Common England before emigrated US believe flying site now countrys motorways Push-nut fasteners Im sure Im using correct terminology what call push-nut fastener similar star lockwasher internal teeth bite shank unthreaded bolt retain place failure such fastener pushrod connector subject following letter Lee Bernhardt refers device star washer Lees letter included what looked like E-Z Connector believe brand X variety crash resulting metal star washer falling off pushrod connector causing loss elevator control am sure reason happening reusing pushrod connector after previous installation star washer Installation star washer definitely removal said washer removes some metal pushrod connector results loose star washer installation connector us reused inspected reinstallation star washer did want come off thought OK However vibration experienced during use wore away connector shaft sufficiently allow washer fall off enclosed connector washer ones failed Eagle 63 crashed logged approximately 30 flights lesson learned never reuse pushrod connector has previously installed metal star washer Also feel connector installation star washer safe washer should installed snug against servo arm should inspected regular intervals signs looseness looseness observed both connector washer should replaced Reminder As write still 1990 However time read will well 1991 some radios could unusable AMA-sanctioned competition flying fields mandate use narrow-band equipment safety measure other hand perhaps have paying attention offers being made manufacturers update older equipment meet 1991 narrow-band specifications havent already done have equipment updated legal safe 1991 March 1991 69 BALSA HOT LINE Cell 308 745 6384 lOem6 pm Central Time
Edition: Model Aviation - 1991/03
Page Numbers: 11, 13, 16, 69
John Preston KiafetyVoes First d Are CyA glues dan gerous users Some information about PFM adhesive sealant safe electric starters Se curing RC pushrod connectors ALLEGED CyA glue hazards Safe ty Comes First column appeared September 1988 issue Model Aviation stated disagreed allegation CyA cyanoacrylate instant glueEd glue heated 525 Fahrenheit can emit hydrogen cyanide quantity will 10 times threshold limit fatal December 1988 Safety column included excerpts letter industrial chemist opinion conclusively refuted emissions could fatal glue used modeling purposes Two recent letters Bill Rauch Hyattsville MD modeler included articles containing similar allegation together three other alleged health hazards associated use CyA glue articles Bills letters December 1990 issue RIC Report Fall 1990 issue High Flight essentially identical listed four alleged hazards associated use CyA glues Both publications attributed listed hazards SAX publication containing about 3000 pages toxic/dangerous properties industrial chemicals Editors note material RIG Report letter reader magazines editor have requested yet obtained copy publication very much doubt contains alleged hazards form listed two articles two articles appears credit different person finding SAX reference However suspect neither author actually obtained information alleged hazards directly book believe Because language used describe alleged hazards article identical contained report SAM 35 British chapter Society Antique Modelers report appeared November 1989 issue Sam Speaks official publication society find rather disturbing articles alleging serious hazards accurately state source believe so-called SAX book actually book titled Dangerous Properties Industrial Materials N Irving Sax articles sent tome Bill Rauch made appear alleged hazards direct quotes Mr Saxs book first allegation concerning CyA compounds emit fatal hydrogen cyanide gas overheated Getting hot soldering iron covering iron close will Unless Mr Sax modeler doubt would know what covering iron set record straight alleged fatal emissions hydrogen cyanide following verbatim reprint discussion topic appeared December 1988 Safety column CyA glue September 1988 issue mentioned warning notice appeared bulletin board major aircraft manufacturers plant alleged heat super glue temperature 5250 Fahrenheit resulting hydrogen cyanide gas will both 10 times threshold limit fatal column also stated chemist work did believe statement asked readers could verify After reading September column Dr Jim Thomas chemist pharmaceutical research division Parke-Davis responded some objective data issue Jims letter contained calculations much CyA glue would have burned order reach acceptable exposure limit TLV threshold limit value 100 ppm parts per million hydrogen cyanide HCN answer would have burn about 40 drops glue confine resulting vapor enclosure volume cubic meter breathe atmosphere 10 minutes other words warning notice based facts Dr Thomass conclusions based facts stated letter Continued page 13 March 1991 11 column provIded address items concern regardIng safety aspects model aviation actIvities Content column however opinion author does necessarily represent offidal position Academy Model Aeronautics -V pV t4OLt IT o- IDNI YGIU ET $EThINc- CANNON805 581-5061- -RIC SYSTEMS 2828 Cochran St Suite 281 Simi Vattey CA 93065 C-MARK N/C U/C ENGINES SUPERB PRECISION EASYSTARTING ENGINES WITH TRUE R/CTHROTTLEOPERATION RELIABLE LOSPEED IDLE WITH SMOOTH RPM TRANSITION TO HI-SPEED TOP END 061 N/C- 17500 RPM STO GLOW PLUG NOT FURNISHED COMPLETE WITH THROTTLE U-CONTROL ENGINE$4550 WITH STANDARD CARB 6000 -18000RPM INCLUDES 03 N/CTHROTTLE WITH GLOW HEAD 8 PROP $46 UCONTROL VERSION WITH STANDARD CARB $4215 MUFFLERS ARE STANDARD WITH ALL ENGINES ADD $450 SHIPPING & HANDLING BROCHURE IN USA AND$300 FOREIGN ADD EQUIPMENT SALES TAX IN CA jCASH PRICES SHOWN VISACARDS 6%MORE _____20% DEPOSIT ON COD possible burning usual amount cured CyA could cause instantaneous exposure above TLV 10 times lethal dose noted article usual dissipation phenomena diffusion convection since burned CyA vapors would have hot would reduce local concentration HCN very quickly assuming normally ventilated area Also note cyanosis completely reversible unless death occurs first simply breathing uncontaminated air will reverse symptoms HCN poisoning case anyone wondering potential risk HCN poisoning event whole bottle CyA glue burned say fire home forget other things home present much greater risk producing toxic fumes event fireyour sofa has polyurethane foam stuffing being just could respond own opinion validity other three alleged hazards associated CyA glue However Im mechanical engineer toxicologist chemist So lend credibility what will say have little research Look subject future Safety column Meanwhile recommend avoid prolonged use CyA glue poorly Continued page 16 MIUWMY MODEL CO Old Timer Kits B/C AND FF Hobby Horn discount prices MMC FULL KITS listed Full Kits include cut parts plan strip sheet wood wire window material Kits marked ' have wire landing gear pre-bent 1936 FlyIng Quaker 84$6476 1938 Powerhouse 50*$2996 1937 Long Cabin 18$4716 1939 T Sportater 50$2698 1937 Quaker Flash 67$4556 1940 Buzzard Bombshell 50 span kit*$3596 1937 Air Chief 61$3596 IAQNew Ruler 74 $7116 N LW Thermic 100 GliderEajjaLkjI 100 S p Old Timer Sailplane--modifications shown R/Cl 0 P &WMODEL SERVICE Old Timer kits FF RIG following discount price full kits full kits clude cut pans plan stick sheet wood wire windshield material 1935 Miss America 84$7196 1936 Buccaneer 84$5996 1937 DallaIre 108$7516 1938 Clipper Mk 172$5328 1938 Kioud King 63$4236 1938 Powerhouse 84$5356 1938 Record Breaker 96$6956 1938 Trenton Terror 72$4076 1939 Korda Wake 44$1916 1939 Mercury 72$5836 1939 Zipper 54$5356 1940 Ranger 46$3196 1940 Sailplane 78$6476 1940 So Lonq 50$3036 1941 Brigidier 56$4076 1941 Super Quaker 76$7276 1941 Playboyjr 54$3116 1941 Playboy Sr 76$7276 1941 Brooklyn Dodger 56$4236 SHIElNQ&iArDLJNaB Page 1960 CATALOGUE $800 add h2O0$2 pp/i si Class free 1052000 add ested 1st order $250 $2001 $4500 add $325 $4501 y Horn $7000 add $375 Over $7000 add $450 3 MoAN ST[AI Calif add 625% tax BOX 2212 Send MO VISNMC # &WESTMINSTERCA 92684 Eap Check allow up 4 893-8311 1030 days clearanceHours Mon-Fri 9AM checks March 1991 13 Experienced builders will enjoy classic model world renowned Spitfire MkIX Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear Wing Span88 Wing Area1270 sq Fuselage Length77 Weight12-14 lbs MADE IN THE USA Functions4-6 2 Cycle Engine90-12 4 Cycle Engine12-16 CONTACT YOUR LOCAL DEALER U Hobby Horn hobby specialties ventilated workspace October 1985 Safety column reported such practice can result respiratory problems similar asthma Adhesive sealant Another article December 1990 issue R/C Report subject letter received Greg Namey president Innovative Model Products Greg included letter example adhesive sealant produces sold Hobby Lobby under brand name PFM also included sample competing product known Goop Product Test Report PFM written Gordon Banks appeared December 1990 issue RIC Report Mr Namey took issue several statements test report involves safety Excerpts letter follow As can see Banks advises readers thin PFM gasoline PLEASE Tell readers NEVER use gasoline thinner product other product Gasoline flammable its explosive As serious enough Mr Banks adds PS end article saying PFM Goop NOT TRUE Try test yourself piece sheet met al Put blob Goop blob PFM sheet metal take outside Put lighted match blob Goop will almost ignite before get near PFM will burn As matter fact PFM will extinguish burning Goop accordance above instructions attempted ignite blob PFM no success However Goop lived up warning its package DANGEREXTREMELY FLAMMABLE VAPORS MAY CAUSE FLASH FIRE PFM certainly Goop different package Furthermore would agree Greg Namey Dont use gasoline thinner anything Safe starters revisited According Jim Bocckinfuso two recent Safety columns gave some Free Flight Power modelers quite chuckle Following Jims recent letter Enjoy column though its RC oriented havent flying RC much last five years since progressed Free Flight Anyway just wanted let know gave Free Flight boys good chuckle March November issues talked about new discovery recently designed invented such-andsuch RC modeler called starter stand obvious have never Free Flight Power event last 20 years because use method starting engines Remember no throttle Free Flight model use engines up 60 size started full 16 Model Aviation Power easy starting power smooth take off s power intricate maneuvers Red Max makes engine come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs secret gredients keep engine last ing longer running power fully other ____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better wear charGrandacteristics Totalthan other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals Freight col act drums Deduct 3% prepay Mix qty Total qty determines price SC orders add 5% sales tax Dealer club prices avail Accept credit cards checks COD COD add $3 per carton Personal checks may held until cleared UPS Hazardous charge $500 per carton OTYFUELiGAL 4GAL24GAL6OGAL128GaI 54GAL TOTALS ordered MIXTUREDRUM AMT RED MAX PREMIUM FUEL l beginners ft sport flyers should use Avail synthetic castor blend RED MAXO94568563560056614300 RED MAX 5 1 090 795 745 725 651 20004 _______ RED MAX 10 1290 895 845 806 725 24972 _______ .REO MAX 12 1440 983 928 860 772 28192 ______ RED MAX 15 1590 1070 1010 914 620 31412 _______ RED MAX RACING FUEL Trophy winner planes boens ft cars two boat blends castor ok up 40% nitro -RED MAX 201745124511701125102543186 REDMAX251900142013301264119450272 REDMAX4O2608193316081716153971708 REDMAXSO3163228321231973176885968 RED MAX 6032202395222521231998100228 RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power ...104 CYCLE120089584580872524972 15-4CYCLE1500 1070 101091482031412 RED MAX HELICOPTER FUEL Extremely smooth running extra defoamer drk color special heavy oil helicptrs ..10 Helicopter134094589585877527672 .15Helicopter1640 1120 106098487034112 _______ RED MAX PERFORMANCE FUEL High flash point heavy oil use tuned pipes ducted fan ft other heavy dty app 5 Perlormance114084579577570122704 _______ 10 Performance134094589585877527672 -______ 15 Performance16401120100098487034112 _______ RED MAX FUEL Continued page 69 RED MAX PATTERN FUEL Proven best fuel pattern engines usIng pumps tuned pipes 5 Pattern1105810760740666 $20504 10 Pattern1305910860623740 25372 15 Pattern1605 1085 102592983528692 SUPER TIGER 3000 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 120089584580872524972 RED MAX DIESEL FUEL Superior diesel back list popular demand customers Ball Bearings 1767 1326 1290 1184 1060 DiesPirr8ktgs 1867 1426 1390 1284 1160 SMOKER FLUID best smoker fluid 2 end 4 cycle engInes Smoker Fluid129089584580872524972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon PLEASE PRINT NA 5A F CITY STATE ZIP CARD TYPE AND NA EXPIRATION DATE WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHUTS 36 48 30 BALSA SlICKS iS 48 1/16233 3/32 x 240 1/8o243 3/16x249 1/4x256 1/32x337 1/20x337 1/16o3374931 3/32x3445837 1/8o3557445 3/16x3638455 1/4x3759861 5/16x387115 3/8x39012871 1/2x3114160 3/4x3170200 1/16x4587848 3/32 x 4729756 1/8x48210966 3/16x49612675 1/4x411513984 3/8o4170235144 1/2x4235273200 MATCHEDSHUTS42 1324100 184/08 3/84120 /44131 1/16x1/410 hiSs3/811 1/16x1/215 3/32x1/412 3/32x3/813 3/32x1/217 1/8x1/809 1/8x1/41218 1/8x3/81319 1/Bo1/21824 3/16x3/161219 3/16x3/81821 3/16x1/22231 1/41/41826 1/4x3/82128 1/4x1/22232 1/4x3/43445 1/4x14257 5/16x5/162330 3/Bo3/82939 3/81/23349 3/8x3/44458 3/Bo18473 1/2x1/23855 1/2x3/44866 1/2a16082 5/8 a5/85270 3/4x3/47598 w BALM TRIANOLES 36 4425 383830 2235 343445 55 BALSA PLANKS 36 80 432 9 4283 11/243302 11/244398 22231 23338 244478 33815 344715 TAPERED SHUTS36 1/42 05 14385 38288 38308 123/20 LONE STAN EPOZY 9ozList 999 Sm/n600 15 rn/n600 30 rn/n600 iii i u f2il A OM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade e Kiln Dried ped 100% serious modeler want performance LIGHT 4-6 LB WOOD36 1/22362 1/20362 1/18362 3/32374 1/8381 3/183108 1/43128 3/83188 1/23190 3/43300 13425 1/18488 3/324119 1/84138 3/184187 1/44188 3/844285 1/24388 TRAILING EDGE 36 1/4132 5/184/1/439 3/841/246 1/2210 INSTPJ4TGiUE 1 07 Thick300 1 07 Th/n300 207 Th/ck550 207 Th/n550 must try 4-6 lb balsa * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 1/81/81725 1/841/42026 11843/82232 311643/182834 1/4 1/43450 1/4 3/84055 1/4 41/24085 3/843/84989 3/6 1/26077 1/24 1/28688 1/243/47897 SPRUCE TRDANGL ES 36 3/83/847 1/21/284 3/4 43/4 BASSWOOD45 31183/1826 3/1841/430 3/163/838 3/161/246 31163/460 1/41/442 1/443/849 1/43/480 3/83/860 3/81/270 3/83/490 121/290 123/4100 RUNDLEMALS 20-1/16336699 20-1/1 6o4x361035 20-3/32x3x36875 1 5-3/32o4x36956 15-1/8336750 10-1 /8o4x36695 16-3/163369A0 10-3/1 6x436835 10-1 /4x338655 10-1/44361060 1 0-3/8x336890 6-3/8x436655 5-1 /2x3x36540 6-1/2x4x361110 1 0-3/32x448885 6-1/8448500 6-3/16tt4x48600 6-1/444448645 HARD MAPLE 1 4 3/8 3/83/8 3/8 1 2 3/8 34 1234 16 40 45 50 58 88 uIRCHOOWELS 36 1809 31611 14/4 51625 3/832 3PiVEICH48 1I64x12835 1132x12475 1116812476 1/8x12486 SPL V3IRCU 48 3/32x12700 118x12776 3/16x12626 114x12625 3I8x12725 81 11212900 LJYEPLY48GROOVED L8 MOUNTS 03 hchea 118x61753/83/41/8AS 1/3x12360 1/46276jSx3/45/32l 1l4x12s1/2o3/4/3/16/50 LONE STAR MODELS Cont ling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57th St Lubbock IX 79412 St8te8 accept VISA MasterCard persona checks COD 6% tan Texas US currency on/y Mm wood order $1000 A Vp Safety/Preston Continued page 16 speed realize average RCer thinks use 049s rubber-powered planes its shame because real knowledge advancement always within ranks specialty groups within RC usually typical Sunday RC sport flier Although take offense statement know true Ive both sides fence years purpose publishing Jims letter twofold First again emphasize strongly feel about safety advantage offered engine starting device puts behind prop arc Safe Start Adapter 1/91 column Kranldng 11/90 column Charlie Holdens version 3/90 column dont have reach over prop adjust mixture less likely risk finger hand injury record during past few months Bill Nelsons Kranldngs has regularly set up used Northern Virginia RC Club flying field has received very positive comments second reason publishing Jims letter concerns comment real knowledge advancement always within ranks specialty groups happen fit such rank group has developed kind new safetyrelated device Id like share readers column apologize non-RC modelers like Jim feel column RC oriented reason letters sustain column come RCers Yes Jim absolutely correct have FF Power event last 20 years Try last 30 years think last such event attended Chobham Common England before emigrated US believe flying site now countrys motorways Push-nut fasteners Im sure Im using correct terminology what call push-nut fastener similar star lockwasher internal teeth bite shank unthreaded bolt retain place failure such fastener pushrod connector subject following letter Lee Bernhardt refers device star washer Lees letter included what looked like E-Z Connector believe brand X variety crash resulting metal star washer falling off pushrod connector causing loss elevator control am sure reason happening reusing pushrod connector after previous installation star washer Installation star washer definitely removal said washer removes some metal pushrod connector results loose star washer installation connector us reused inspected reinstallation star washer did want come off thought OK However vibration experienced during use wore away connector shaft sufficiently allow washer fall off enclosed connector washer ones failed Eagle 63 crashed logged approximately 30 flights lesson learned never reuse pushrod connector has previously installed metal star washer Also feel connector installation star washer safe washer should installed snug against servo arm should inspected regular intervals signs looseness looseness observed both connector washer should replaced Reminder As write still 1990 However time read will well 1991 some radios could unusable AMA-sanctioned competition flying fields mandate use narrow-band equipment safety measure other hand perhaps have paying attention offers being made manufacturers update older equipment meet 1991 narrow-band specifications havent already done have equipment updated legal safe 1991 March 1991 69 BALSA HOT LINE Cell 308 745 6384 lOem6 pm Central Time
Edition: Model Aviation - 1991/03
Page Numbers: 11, 13, 16, 69
John Preston KiafetyVoes First d Are CyA glues dan gerous users Some information about PFM adhesive sealant safe electric starters Se curing RC pushrod connectors ALLEGED CyA glue hazards Safe ty Comes First column appeared September 1988 issue Model Aviation stated disagreed allegation CyA cyanoacrylate instant glueEd glue heated 525 Fahrenheit can emit hydrogen cyanide quantity will 10 times threshold limit fatal December 1988 Safety column included excerpts letter industrial chemist opinion conclusively refuted emissions could fatal glue used modeling purposes Two recent letters Bill Rauch Hyattsville MD modeler included articles containing similar allegation together three other alleged health hazards associated use CyA glue articles Bills letters December 1990 issue RIC Report Fall 1990 issue High Flight essentially identical listed four alleged hazards associated use CyA glues Both publications attributed listed hazards SAX publication containing about 3000 pages toxic/dangerous properties industrial chemicals Editors note material RIG Report letter reader magazines editor have requested yet obtained copy publication very much doubt contains alleged hazards form listed two articles two articles appears credit different person finding SAX reference However suspect neither author actually obtained information alleged hazards directly book believe Because language used describe alleged hazards article identical contained report SAM 35 British chapter Society Antique Modelers report appeared November 1989 issue Sam Speaks official publication society find rather disturbing articles alleging serious hazards accurately state source believe so-called SAX book actually book titled Dangerous Properties Industrial Materials N Irving Sax articles sent tome Bill Rauch made appear alleged hazards direct quotes Mr Saxs book first allegation concerning CyA compounds emit fatal hydrogen cyanide gas overheated Getting hot soldering iron covering iron close will Unless Mr Sax modeler doubt would know what covering iron set record straight alleged fatal emissions hydrogen cyanide following verbatim reprint discussion topic appeared December 1988 Safety column CyA glue September 1988 issue mentioned warning notice appeared bulletin board major aircraft manufacturers plant alleged heat super glue temperature 5250 Fahrenheit resulting hydrogen cyanide gas will both 10 times threshold limit fatal column also stated chemist work did believe statement asked readers could verify After reading September column Dr Jim Thomas chemist pharmaceutical research division Parke-Davis responded some objective data issue Jims letter contained calculations much CyA glue would have burned order reach acceptable exposure limit TLV threshold limit value 100 ppm parts per million hydrogen cyanide HCN answer would have burn about 40 drops glue confine resulting vapor enclosure volume cubic meter breathe atmosphere 10 minutes other words warning notice based facts Dr Thomass conclusions based facts stated letter Continued page 13 March 1991 11 column provIded address items concern regardIng safety aspects model aviation actIvities Content column however opinion author does necessarily represent offidal position Academy Model Aeronautics -V pV t4OLt IT o- IDNI YGIU ET $EThINc- CANNON805 581-5061- -RIC SYSTEMS 2828 Cochran St Suite 281 Simi Vattey CA 93065 C-MARK N/C U/C ENGINES SUPERB PRECISION EASYSTARTING ENGINES WITH TRUE R/CTHROTTLEOPERATION RELIABLE LOSPEED IDLE WITH SMOOTH RPM TRANSITION TO HI-SPEED TOP END 061 N/C- 17500 RPM STO GLOW PLUG NOT FURNISHED COMPLETE WITH THROTTLE U-CONTROL ENGINE$4550 WITH STANDARD CARB 6000 -18000RPM INCLUDES 03 N/CTHROTTLE WITH GLOW HEAD 8 PROP $46 UCONTROL VERSION WITH STANDARD CARB $4215 MUFFLERS ARE STANDARD WITH ALL ENGINES ADD $450 SHIPPING & HANDLING BROCHURE IN USA AND$300 FOREIGN ADD EQUIPMENT SALES TAX IN CA jCASH PRICES SHOWN VISACARDS 6%MORE _____20% DEPOSIT ON COD possible burning usual amount cured CyA could cause instantaneous exposure above TLV 10 times lethal dose noted article usual dissipation phenomena diffusion convection since burned CyA vapors would have hot would reduce local concentration HCN very quickly assuming normally ventilated area Also note cyanosis completely reversible unless death occurs first simply breathing uncontaminated air will reverse symptoms HCN poisoning case anyone wondering potential risk HCN poisoning event whole bottle CyA glue burned say fire home forget other things home present much greater risk producing toxic fumes event fireyour sofa has polyurethane foam stuffing being just could respond own opinion validity other three alleged hazards associated CyA glue However Im mechanical engineer toxicologist chemist So lend credibility what will say have little research Look subject future Safety column Meanwhile recommend avoid prolonged use CyA glue poorly Continued page 16 MIUWMY MODEL CO Old Timer Kits B/C AND FF Hobby Horn discount prices MMC FULL KITS listed Full Kits include cut parts plan strip sheet wood wire window material Kits marked ' have wire landing gear pre-bent 1936 FlyIng Quaker 84$6476 1938 Powerhouse 50*$2996 1937 Long Cabin 18$4716 1939 T Sportater 50$2698 1937 Quaker Flash 67$4556 1940 Buzzard Bombshell 50 span kit*$3596 1937 Air Chief 61$3596 IAQNew Ruler 74 $7116 N LW Thermic 100 GliderEajjaLkjI 100 S p Old Timer Sailplane--modifications shown R/Cl 0 P &WMODEL SERVICE Old Timer kits FF RIG following discount price full kits full kits clude cut pans plan stick sheet wood wire windshield material 1935 Miss America 84$7196 1936 Buccaneer 84$5996 1937 DallaIre 108$7516 1938 Clipper Mk 172$5328 1938 Kioud King 63$4236 1938 Powerhouse 84$5356 1938 Record Breaker 96$6956 1938 Trenton Terror 72$4076 1939 Korda Wake 44$1916 1939 Mercury 72$5836 1939 Zipper 54$5356 1940 Ranger 46$3196 1940 Sailplane 78$6476 1940 So Lonq 50$3036 1941 Brigidier 56$4076 1941 Super Quaker 76$7276 1941 Playboyjr 54$3116 1941 Playboy Sr 76$7276 1941 Brooklyn Dodger 56$4236 SHIElNQ&iArDLJNaB Page 1960 CATALOGUE $800 add h2O0$2 pp/i si Class free 1052000 add ested 1st order $250 $2001 $4500 add $325 $4501 y Horn $7000 add $375 Over $7000 add $450 3 MoAN ST[AI Calif add 625% tax BOX 2212 Send MO VISNMC # &WESTMINSTERCA 92684 Eap Check allow up 4 893-8311 1030 days clearanceHours Mon-Fri 9AM checks March 1991 13 Experienced builders will enjoy classic model world renowned Spitfire MkIX Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear Wing Span88 Wing Area1270 sq Fuselage Length77 Weight12-14 lbs MADE IN THE USA Functions4-6 2 Cycle Engine90-12 4 Cycle Engine12-16 CONTACT YOUR LOCAL DEALER U Hobby Horn hobby specialties ventilated workspace October 1985 Safety column reported such practice can result respiratory problems similar asthma Adhesive sealant Another article December 1990 issue R/C Report subject letter received Greg Namey president Innovative Model Products Greg included letter example adhesive sealant produces sold Hobby Lobby under brand name PFM also included sample competing product known Goop Product Test Report PFM written Gordon Banks appeared December 1990 issue RIC Report Mr Namey took issue several statements test report involves safety Excerpts letter follow As can see Banks advises readers thin PFM gasoline PLEASE Tell readers NEVER use gasoline thinner product other product Gasoline flammable its explosive As serious enough Mr Banks adds PS end article saying PFM Goop NOT TRUE Try test yourself piece sheet met al Put blob Goop blob PFM sheet metal take outside Put lighted match blob Goop will almost ignite before get near PFM will burn As matter fact PFM will extinguish burning Goop accordance above instructions attempted ignite blob PFM no success However Goop lived up warning its package DANGEREXTREMELY FLAMMABLE VAPORS MAY CAUSE FLASH FIRE PFM certainly Goop different package Furthermore would agree Greg Namey Dont use gasoline thinner anything Safe starters revisited According Jim Bocckinfuso two recent Safety columns gave some Free Flight Power modelers quite chuckle Following Jims recent letter Enjoy column though its RC oriented havent flying RC much last five years since progressed Free Flight Anyway just wanted let know gave Free Flight boys good chuckle March November issues talked about new discovery recently designed invented such-andsuch RC modeler called starter stand obvious have never Free Flight Power event last 20 years because use method starting engines Remember no throttle Free Flight model use engines up 60 size started full 16 Model Aviation Power easy starting power smooth take off s power intricate maneuvers Red Max makes engine come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs secret gredients keep engine last ing longer running power fully other ____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better wear charGrandacteristics Totalthan other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals Freight col act drums Deduct 3% prepay Mix qty Total qty determines price SC orders add 5% sales tax Dealer club prices avail Accept credit cards checks COD COD add $3 per carton Personal checks may held until cleared UPS Hazardous charge $500 per carton OTYFUELiGAL 4GAL24GAL6OGAL128GaI 54GAL TOTALS ordered MIXTUREDRUM AMT RED MAX PREMIUM FUEL l beginners ft sport flyers should use Avail synthetic castor blend RED MAXO94568563560056614300 RED MAX 5 1 090 795 745 725 651 20004 _______ RED MAX 10 1290 895 845 806 725 24972 _______ .REO MAX 12 1440 983 928 860 772 28192 ______ RED MAX 15 1590 1070 1010 914 620 31412 _______ RED MAX RACING FUEL Trophy winner planes boens ft cars two boat blends castor ok up 40% nitro -RED MAX 201745124511701125102543186 REDMAX251900142013301264119450272 REDMAX4O2608193316081716153971708 REDMAXSO3163228321231973176885968 RED MAX 6032202395222521231998100228 RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power ...104 CYCLE120089584580872524972 15-4CYCLE1500 1070 101091482031412 RED MAX HELICOPTER FUEL Extremely smooth running extra defoamer drk color special heavy oil helicptrs ..10 Helicopter134094589585877527672 .15Helicopter1640 1120 106098487034112 _______ RED MAX PERFORMANCE FUEL High flash point heavy oil use tuned pipes ducted fan ft other heavy dty app 5 Perlormance114084579577570122704 _______ 10 Performance134094589585877527672 -______ 15 Performance16401120100098487034112 _______ RED MAX FUEL Continued page 69 RED MAX PATTERN FUEL Proven best fuel pattern engines usIng pumps tuned pipes 5 Pattern1105810760740666 $20504 10 Pattern1305910860623740 25372 15 Pattern1605 1085 102592983528692 SUPER TIGER 3000 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 120089584580872524972 RED MAX DIESEL FUEL Superior diesel back list popular demand customers Ball Bearings 1767 1326 1290 1184 1060 DiesPirr8ktgs 1867 1426 1390 1284 1160 SMOKER FLUID best smoker fluid 2 end 4 cycle engInes Smoker Fluid129089584580872524972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon PLEASE PRINT NA 5A F CITY STATE ZIP CARD TYPE AND NA EXPIRATION DATE WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHUTS 36 48 30 BALSA SlICKS iS 48 1/16233 3/32 x 240 1/8o243 3/16x249 1/4x256 1/32x337 1/20x337 1/16o3374931 3/32x3445837 1/8o3557445 3/16x3638455 1/4x3759861 5/16x387115 3/8x39012871 1/2x3114160 3/4x3170200 1/16x4587848 3/32 x 4729756 1/8x48210966 3/16x49612675 1/4x411513984 3/8o4170235144 1/2x4235273200 MATCHEDSHUTS42 1324100 184/08 3/84120 /44131 1/16x1/410 hiSs3/811 1/16x1/215 3/32x1/412 3/32x3/813 3/32x1/217 1/8x1/809 1/8x1/41218 1/8x3/81319 1/Bo1/21824 3/16x3/161219 3/16x3/81821 3/16x1/22231 1/41/41826 1/4x3/82128 1/4x1/22232 1/4x3/43445 1/4x14257 5/16x5/162330 3/Bo3/82939 3/81/23349 3/8x3/44458 3/Bo18473 1/2x1/23855 1/2x3/44866 1/2a16082 5/8 a5/85270 3/4x3/47598 w BALM TRIANOLES 36 4425 383830 2235 343445 55 BALSA PLANKS 36 80 432 9 4283 11/243302 11/244398 22231 23338 244478 33815 344715 TAPERED SHUTS36 1/42 05 14385 38288 38308 123/20 LONE STAN EPOZY 9ozList 999 Sm/n600 15 rn/n600 30 rn/n600 iii i u f2il A OM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade e Kiln Dried ped 100% serious modeler want performance LIGHT 4-6 LB WOOD36 1/22362 1/20362 1/18362 3/32374 1/8381 3/183108 1/43128 3/83188 1/23190 3/43300 13425 1/18488 3/324119 1/84138 3/184187 1/44188 3/844285 1/24388 TRAILING EDGE 36 1/4132 5/184/1/439 3/841/246 1/2210 INSTPJ4TGiUE 1 07 Thick300 1 07 Th/n300 207 Th/ck550 207 Th/n550 must try 4-6 lb balsa * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 1/81/81725 1/841/42026 11843/82232 311643/182834 1/4 1/43450 1/4 3/84055 1/4 41/24085 3/843/84989 3/6 1/26077 1/24 1/28688 1/243/47897 SPRUCE TRDANGL ES 36 3/83/847 1/21/284 3/4 43/4 BASSWOOD45 31183/1826 3/1841/430 3/163/838 3/161/246 31163/460 1/41/442 1/443/849 1/43/480 3/83/860 3/81/270 3/83/490 121/290 123/4100 RUNDLEMALS 20-1/16336699 20-1/1 6o4x361035 20-3/32x3x36875 1 5-3/32o4x36956 15-1/8336750 10-1 /8o4x36695 16-3/163369A0 10-3/1 6x436835 10-1 /4x338655 10-1/44361060 1 0-3/8x336890 6-3/8x436655 5-1 /2x3x36540 6-1/2x4x361110 1 0-3/32x448885 6-1/8448500 6-3/16tt4x48600 6-1/444448645 HARD MAPLE 1 4 3/8 3/83/8 3/8 1 2 3/8 34 1234 16 40 45 50 58 88 uIRCHOOWELS 36 1809 31611 14/4 51625 3/832 3PiVEICH48 1I64x12835 1132x12475 1116812476 1/8x12486 SPL V3IRCU 48 3/32x12700 118x12776 3/16x12626 114x12625 3I8x12725 81 11212900 LJYEPLY48GROOVED L8 MOUNTS 03 hchea 118x61753/83/41/8AS 1/3x12360 1/46276jSx3/45/32l 1l4x12s1/2o3/4/3/16/50 LONE STAR MODELS Cont ling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57th St Lubbock IX 79412 St8te8 accept VISA MasterCard persona checks COD 6% tan Texas US currency on/y Mm wood order $1000 A Vp Safety/Preston Continued page 16 speed realize average RCer thinks use 049s rubber-powered planes its shame because real knowledge advancement always within ranks specialty groups within RC usually typical Sunday RC sport flier Although take offense statement know true Ive both sides fence years purpose publishing Jims letter twofold First again emphasize strongly feel about safety advantage offered engine starting device puts behind prop arc Safe Start Adapter 1/91 column Kranldng 11/90 column Charlie Holdens version 3/90 column dont have reach over prop adjust mixture less likely risk finger hand injury record during past few months Bill Nelsons Kranldngs has regularly set up used Northern Virginia RC Club flying field has received very positive comments second reason publishing Jims letter concerns comment real knowledge advancement always within ranks specialty groups happen fit such rank group has developed kind new safetyrelated device Id like share readers column apologize non-RC modelers like Jim feel column RC oriented reason letters sustain column come RCers Yes Jim absolutely correct have FF Power event last 20 years Try last 30 years think last such event attended Chobham Common England before emigrated US believe flying site now countrys motorways Push-nut fasteners Im sure Im using correct terminology what call push-nut fastener similar star lockwasher internal teeth bite shank unthreaded bolt retain place failure such fastener pushrod connector subject following letter Lee Bernhardt refers device star washer Lees letter included what looked like E-Z Connector believe brand X variety crash resulting metal star washer falling off pushrod connector causing loss elevator control am sure reason happening reusing pushrod connector after previous installation star washer Installation star washer definitely removal said washer removes some metal pushrod connector results loose star washer installation connector us reused inspected reinstallation star washer did want come off thought OK However vibration experienced during use wore away connector shaft sufficiently allow washer fall off enclosed connector washer ones failed Eagle 63 crashed logged approximately 30 flights lesson learned never reuse pushrod connector has previously installed metal star washer Also feel connector installation star washer safe washer should installed snug against servo arm should inspected regular intervals signs looseness looseness observed both connector washer should replaced Reminder As write still 1990 However time read will well 1991 some radios could unusable AMA-sanctioned competition flying fields mandate use narrow-band equipment safety measure other hand perhaps have paying attention offers being made manufacturers update older equipment meet 1991 narrow-band specifications havent already done have equipment updated legal safe 1991 March 1991 69 BALSA HOT LINE Cell 308 745 6384 lOem6 pm Central Time
Edition: Model Aviation - 1991/03
Page Numbers: 11, 13, 16, 69
John Preston KiafetyVoes First d Are CyA glues dan gerous users Some information about PFM adhesive sealant safe electric starters Se curing RC pushrod connectors ALLEGED CyA glue hazards Safe ty Comes First column appeared September 1988 issue Model Aviation stated disagreed allegation CyA cyanoacrylate instant glueEd glue heated 525 Fahrenheit can emit hydrogen cyanide quantity will 10 times threshold limit fatal December 1988 Safety column included excerpts letter industrial chemist opinion conclusively refuted emissions could fatal glue used modeling purposes Two recent letters Bill Rauch Hyattsville MD modeler included articles containing similar allegation together three other alleged health hazards associated use CyA glue articles Bills letters December 1990 issue RIC Report Fall 1990 issue High Flight essentially identical listed four alleged hazards associated use CyA glues Both publications attributed listed hazards SAX publication containing about 3000 pages toxic/dangerous properties industrial chemicals Editors note material RIG Report letter reader magazines editor have requested yet obtained copy publication very much doubt contains alleged hazards form listed two articles two articles appears credit different person finding SAX reference However suspect neither author actually obtained information alleged hazards directly book believe Because language used describe alleged hazards article identical contained report SAM 35 British chapter Society Antique Modelers report appeared November 1989 issue Sam Speaks official publication society find rather disturbing articles alleging serious hazards accurately state source believe so-called SAX book actually book titled Dangerous Properties Industrial Materials N Irving Sax articles sent tome Bill Rauch made appear alleged hazards direct quotes Mr Saxs book first allegation concerning CyA compounds emit fatal hydrogen cyanide gas overheated Getting hot soldering iron covering iron close will Unless Mr Sax modeler doubt would know what covering iron set record straight alleged fatal emissions hydrogen cyanide following verbatim reprint discussion topic appeared December 1988 Safety column CyA glue September 1988 issue mentioned warning notice appeared bulletin board major aircraft manufacturers plant alleged heat super glue temperature 5250 Fahrenheit resulting hydrogen cyanide gas will both 10 times threshold limit fatal column also stated chemist work did believe statement asked readers could verify After reading September column Dr Jim Thomas chemist pharmaceutical research division Parke-Davis responded some objective data issue Jims letter contained calculations much CyA glue would have burned order reach acceptable exposure limit TLV threshold limit value 100 ppm parts per million hydrogen cyanide HCN answer would have burn about 40 drops glue confine resulting vapor enclosure volume cubic meter breathe atmosphere 10 minutes other words warning notice based facts Dr Thomass conclusions based facts stated letter Continued page 13 March 1991 11 column provIded address items concern regardIng safety aspects model aviation actIvities Content column however opinion author does necessarily represent offidal position Academy Model Aeronautics -V pV t4OLt IT o- IDNI YGIU ET $EThINc- CANNON805 581-5061- -RIC SYSTEMS 2828 Cochran St Suite 281 Simi Vattey CA 93065 C-MARK N/C U/C ENGINES SUPERB PRECISION EASYSTARTING ENGINES WITH TRUE R/CTHROTTLEOPERATION RELIABLE LOSPEED IDLE WITH SMOOTH RPM TRANSITION TO HI-SPEED TOP END 061 N/C- 17500 RPM STO GLOW PLUG NOT FURNISHED COMPLETE WITH THROTTLE U-CONTROL ENGINE$4550 WITH STANDARD CARB 6000 -18000RPM INCLUDES 03 N/CTHROTTLE WITH GLOW HEAD 8 PROP $46 UCONTROL VERSION WITH STANDARD CARB $4215 MUFFLERS ARE STANDARD WITH ALL ENGINES ADD $450 SHIPPING & HANDLING BROCHURE IN USA AND$300 FOREIGN ADD EQUIPMENT SALES TAX IN CA jCASH PRICES SHOWN VISACARDS 6%MORE _____20% DEPOSIT ON COD possible burning usual amount cured CyA could cause instantaneous exposure above TLV 10 times lethal dose noted article usual dissipation phenomena diffusion convection since burned CyA vapors would have hot would reduce local concentration HCN very quickly assuming normally ventilated area Also note cyanosis completely reversible unless death occurs first simply breathing uncontaminated air will reverse symptoms HCN poisoning case anyone wondering potential risk HCN poisoning event whole bottle CyA glue burned say fire home forget other things home present much greater risk producing toxic fumes event fireyour sofa has polyurethane foam stuffing being just could respond own opinion validity other three alleged hazards associated CyA glue However Im mechanical engineer toxicologist chemist So lend credibility what will say have little research Look subject future Safety column Meanwhile recommend avoid prolonged use CyA glue poorly Continued page 16 MIUWMY MODEL CO Old Timer Kits B/C AND FF Hobby Horn discount prices MMC FULL KITS listed Full Kits include cut parts plan strip sheet wood wire window material Kits marked ' have wire landing gear pre-bent 1936 FlyIng Quaker 84$6476 1938 Powerhouse 50*$2996 1937 Long Cabin 18$4716 1939 T Sportater 50$2698 1937 Quaker Flash 67$4556 1940 Buzzard Bombshell 50 span kit*$3596 1937 Air Chief 61$3596 IAQNew Ruler 74 $7116 N LW Thermic 100 GliderEajjaLkjI 100 S p Old Timer Sailplane--modifications shown R/Cl 0 P &WMODEL SERVICE Old Timer kits FF RIG following discount price full kits full kits clude cut pans plan stick sheet wood wire windshield material 1935 Miss America 84$7196 1936 Buccaneer 84$5996 1937 DallaIre 108$7516 1938 Clipper Mk 172$5328 1938 Kioud King 63$4236 1938 Powerhouse 84$5356 1938 Record Breaker 96$6956 1938 Trenton Terror 72$4076 1939 Korda Wake 44$1916 1939 Mercury 72$5836 1939 Zipper 54$5356 1940 Ranger 46$3196 1940 Sailplane 78$6476 1940 So Lonq 50$3036 1941 Brigidier 56$4076 1941 Super Quaker 76$7276 1941 Playboyjr 54$3116 1941 Playboy Sr 76$7276 1941 Brooklyn Dodger 56$4236 SHIElNQ&iArDLJNaB Page 1960 CATALOGUE $800 add h2O0$2 pp/i si Class free 1052000 add ested 1st order $250 $2001 $4500 add $325 $4501 y Horn $7000 add $375 Over $7000 add $450 3 MoAN ST[AI Calif add 625% tax BOX 2212 Send MO VISNMC # &WESTMINSTERCA 92684 Eap Check allow up 4 893-8311 1030 days clearanceHours Mon-Fri 9AM checks March 1991 13 Experienced builders will enjoy classic model world renowned Spitfire MkIX Picas standard excellence continues receive superior results both construction flying field balsa light plywood built kit features step step instructions positional isometric drawings detailed full size plans split flaps built up tail surfaces scale retract setup addition kit contains ABS cowling butyrate canopies exterior detailing parts info pressure sensitive decals pre-bent landing gear Wing Span88 Wing Area1270 sq Fuselage Length77 Weight12-14 lbs MADE IN THE USA Functions4-6 2 Cycle Engine90-12 4 Cycle Engine12-16 CONTACT YOUR LOCAL DEALER U Hobby Horn hobby specialties ventilated workspace October 1985 Safety column reported such practice can result respiratory problems similar asthma Adhesive sealant Another article December 1990 issue R/C Report subject letter received Greg Namey president Innovative Model Products Greg included letter example adhesive sealant produces sold Hobby Lobby under brand name PFM also included sample competing product known Goop Product Test Report PFM written Gordon Banks appeared December 1990 issue RIC Report Mr Namey took issue several statements test report involves safety Excerpts letter follow As can see Banks advises readers thin PFM gasoline PLEASE Tell readers NEVER use gasoline thinner product other product Gasoline flammable its explosive As serious enough Mr Banks adds PS end article saying PFM Goop NOT TRUE Try test yourself piece sheet met al Put blob Goop blob PFM sheet metal take outside Put lighted match blob Goop will almost ignite before get near PFM will burn As matter fact PFM will extinguish burning Goop accordance above instructions attempted ignite blob PFM no success However Goop lived up warning its package DANGEREXTREMELY FLAMMABLE VAPORS MAY CAUSE FLASH FIRE PFM certainly Goop different package Furthermore would agree Greg Namey Dont use gasoline thinner anything Safe starters revisited According Jim Bocckinfuso two recent Safety columns gave some Free Flight Power modelers quite chuckle Following Jims recent letter Enjoy column though its RC oriented havent flying RC much last five years since progressed Free Flight Anyway just wanted let know gave Free Flight boys good chuckle March November issues talked about new discovery recently designed invented such-andsuch RC modeler called starter stand obvious have never Free Flight Power event last 20 years because use method starting engines Remember no throttle Free Flight model use engines up 60 size started full 16 Model Aviation Power easy starting power smooth take off s power intricate maneuvers Red Max makes engine come alive power performance never expected can have power Its phone call away Power today next week next year Red Maxs secret gredients keep engine last ing longer running power fully other ____100% money back guaran tee com pletely sat isfied reason Red Max has power better idle better wear charGrandacteristics Totalthan other fuel Order Form CALL OR USE THIS HANDY ORDER FORM TO SPEED YOUR ORDER FILL IN OTY ON THE LEFT THE TOTAL ON THE RIGHT Freight free qts gals Freight col act drums Deduct 3% prepay Mix qty Total qty determines price SC orders add 5% sales tax Dealer club prices avail Accept credit cards checks COD COD add $3 per carton Personal checks may held until cleared UPS Hazardous charge $500 per carton OTYFUELiGAL 4GAL24GAL6OGAL128GaI 54GAL TOTALS ordered MIXTUREDRUM AMT RED MAX PREMIUM FUEL l beginners ft sport flyers should use Avail synthetic castor blend RED MAXO94568563560056614300 RED MAX 5 1 090 795 745 725 651 20004 _______ RED MAX 10 1290 895 845 806 725 24972 _______ .REO MAX 12 1440 983 928 860 772 28192 ______ RED MAX 15 1590 1070 1010 914 620 31412 _______ RED MAX RACING FUEL Trophy winner planes boens ft cars two boat blends castor ok up 40% nitro -RED MAX 201745124511701125102543186 REDMAX251900142013301264119450272 REDMAX4O2608193316081716153971708 REDMAXSO3163228321231973176885968 RED MAX 6032202395222521231998100228 RED MAX 6533252500233022212113107404 RED MAX 4-CYCLE FUEL Eliminates detonation ft kickback 4-cycle engines smoother idle ft power ...104 CYCLE120089584580872524972 15-4CYCLE1500 1070 101091482031412 RED MAX HELICOPTER FUEL Extremely smooth running extra defoamer drk color special heavy oil helicptrs ..10 Helicopter134094589585877527672 .15Helicopter1640 1120 106098487034112 _______ RED MAX PERFORMANCE FUEL High flash point heavy oil use tuned pipes ducted fan ft other heavy dty app 5 Perlormance114084579577570122704 _______ 10 Performance134094589585877527672 -______ 15 Performance16401120100098487034112 _______ RED MAX FUEL Continued page 69 RED MAX PATTERN FUEL Proven best fuel pattern engines usIng pumps tuned pipes 5 Pattern1105810760740666 $20504 10 Pattern1305910860623740 25372 15 Pattern1605 1085 102592983528692 SUPER TIGER 3000 FUEL Best fuel Super Tiger 2000-4000 engines Super Tiger 3000 120089584580872524972 RED MAX DIESEL FUEL Superior diesel back list popular demand customers Ball Bearings 1767 1326 1290 1184 1060 DiesPirr8ktgs 1867 1426 1390 1284 1160 SMOKER FLUID best smoker fluid 2 end 4 cycle engInes Smoker Fluid129089584580872524972 CUSTOM BLENDED FUEL INGRDIENTS Available type engine use Call price Mm gallon PLEASE PRINT NA 5A F CITY STATE ZIP CARD TYPE AND NA EXPIRATION DATE WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHUTS 36 48 30 BALSA SlICKS iS 48 1/16233 3/32 x 240 1/8o243 3/16x249 1/4x256 1/32x337 1/20x337 1/16o3374931 3/32x3445837 1/8o3557445 3/16x3638455 1/4x3759861 5/16x387115 3/8x39012871 1/2x3114160 3/4x3170200 1/16x4587848 3/32 x 4729756 1/8x48210966 3/16x49612675 1/4x411513984 3/8o4170235144 1/2x4235273200 MATCHEDSHUTS42 1324100 184/08 3/84120 /44131 1/16x1/410 hiSs3/811 1/16x1/215 3/32x1/412 3/32x3/813 3/32x1/217 1/8x1/809 1/8x1/41218 1/8x3/81319 1/Bo1/21824 3/16x3/161219 3/16x3/81821 3/16x1/22231 1/41/41826 1/4x3/82128 1/4x1/22232 1/4x3/43445 1/4x14257 5/16x5/162330 3/Bo3/82939 3/81/23349 3/8x3/44458 3/Bo18473 1/2x1/23855 1/2x3/44866 1/2a16082 5/8 a5/85270 3/4x3/47598 w BALM TRIANOLES 36 4425 383830 2235 343445 55 BALSA PLANKS 36 80 432 9 4283 11/243302 11/244398 22231 23338 244478 33815 344715 TAPERED SHUTS36 1/42 05 14385 38288 38308 123/20 LONE STAN EPOZY 9ozList 999 Sm/n600 15 rn/n600 30 rn/n600 iii i u f2il A OM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade e Kiln Dried ped 100% serious modeler want performance LIGHT 4-6 LB WOOD36 1/22362 1/20362 1/18362 3/32374 1/8381 3/183108 1/43128 3/83188 1/23190 3/43300 13425 1/18488 3/324119 1/84138 3/184187 1/44188 3/844285 1/24388 TRAILING EDGE 36 1/4132 5/184/1/439 3/841/246 1/2210 INSTPJ4TGiUE 1 07 Thick300 1 07 Th/n300 207 Th/ck550 207 Th/n550 must try 4-6 lb balsa * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 1/81/81725 1/841/42026 11843/82232 311643/182834 1/4 1/43450 1/4 3/84055 1/4 41/24085 3/843/84989 3/6 1/26077 1/24 1/28688 1/243/47897 SPRUCE TRDANGL ES 36 3/83/847 1/21/284 3/4 43/4 BASSWOOD45 31183/1826 3/1841/430 3/163/838 3/161/246 31163/460 1/41/442 1/443/849 1/43/480 3/83/860 3/81/270 3/83/490 121/290 123/4100 RUNDLEMALS 20-1/16336699 20-1/1 6o4x361035 20-3/32x3x36875 1 5-3/32o4x36956 15-1/8336750 10-1 /8o4x36695 16-3/163369A0 10-3/1 6x436835 10-1 /4x338655 10-1/44361060 1 0-3/8x336890 6-3/8x436655 5-1 /2x3x36540 6-1/2x4x361110 1 0-3/32x448885 6-1/8448500 6-3/16tt4x48600 6-1/444448645 HARD MAPLE 1 4 3/8 3/83/8 3/8 1 2 3/8 34 1234 16 40 45 50 58 88 uIRCHOOWELS 36 1809 31611 14/4 51625 3/832 3PiVEICH48 1I64x12835 1132x12475 1116812476 1/8x12486 SPL V3IRCU 48 3/32x12700 118x12776 3/16x12626 114x12625 3I8x12725 81 11212900 LJYEPLY48GROOVED L8 MOUNTS 03 hchea 118x61753/83/41/8AS 1/3x12360 1/46276jSx3/45/32l 1l4x12s1/2o3/4/3/16/50 LONE STAR MODELS Cont ling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57th St Lubbock IX 79412 St8te8 accept VISA MasterCard persona checks COD 6% tan Texas US currency on/y Mm wood order $1000 A Vp Safety/Preston Continued page 16 speed realize average RCer thinks use 049s rubber-powered planes its shame because real knowledge advancement always within ranks specialty groups within RC usually typical Sunday RC sport flier Although take offense statement know true Ive both sides fence years purpose publishing Jims letter twofold First again emphasize strongly feel about safety advantage offered engine starting device puts behind prop arc Safe Start Adapter 1/91 column Kranldng 11/90 column Charlie Holdens version 3/90 column dont have reach over prop adjust mixture less likely risk finger hand injury record during past few months Bill Nelsons Kranldngs has regularly set up used Northern Virginia RC Club flying field has received very positive comments second reason publishing Jims letter concerns comment real knowledge advancement always within ranks specialty groups happen fit such rank group has developed kind new safetyrelated device Id like share readers column apologize non-RC modelers like Jim feel column RC oriented reason letters sustain column come RCers Yes Jim absolutely correct have FF Power event last 20 years Try last 30 years think last such event attended Chobham Common England before emigrated US believe flying site now countrys motorways Push-nut fasteners Im sure Im using correct terminology what call push-nut fastener similar star lockwasher internal teeth bite shank unthreaded bolt retain place failure such fastener pushrod connector subject following letter Lee Bernhardt refers device star washer Lees letter included what looked like E-Z Connector believe brand X variety crash resulting metal star washer falling off pushrod connector causing loss elevator control am sure reason happening reusing pushrod connector after previous installation star washer Installation star washer definitely removal said washer removes some metal pushrod connector results loose star washer installation connector us reused inspected reinstallation star washer did want come off thought OK However vibration experienced during use wore away connector shaft sufficiently allow washer fall off enclosed connector washer ones failed Eagle 63 crashed logged approximately 30 flights lesson learned never reuse pushrod connector has previously installed metal star washer Also feel connector installation star washer safe washer should installed snug against servo arm should inspected regular intervals signs looseness looseness observed both connector washer should replaced Reminder As write still 1990 However time read will well 1991 some radios could unusable AMA-sanctioned competition flying fields mandate use narrow-band equipment safety measure other hand perhaps have paying attention offers being made manufacturers update older equipment meet 1991 narrow-band specifications havent already done have equipment updated legal safe 1991 March 1991 69 BALSA HOT LINE Cell 308 745 6384 lOem6 pm Central Time