___John Preston___________________________ Safety Comes First allergic reactions cya noacryl ate glues Danger Heating epoxies can release fumes hints prop safety CYANOACRYLATE ALLERGY October 1985 issue Model Aviation Safety column devoted entirely discussing allergic reac tions some modelers experienced used cyanoacrylate CyA glue best knowledge fumes emitted CyA cures cause permanent health problems can cause asthma acute skin irritation some people letter received during last month came such person Bill Fike Bloomington IL experienced allergic reaction type has previously reported Bill following say just received Academy Model Aeronautics upon request two articles written concerning allergic effects cyanoac rylate glue believe first article published April 1985 edition Model Aviation second article published October edition same year read both articles much interest since now suffer form der matitis called dermatographism Approximately three years ago started suffer asthma-type attacks no apparent reason visited personal MD stated allergic something prescribed tablet taken once attack started tacks subsided after about six months no longer carried medication person well good until July 1985 started build new 15/500 type aircraft Alas suffered asthma-type attack fi nally determined allergic cyanoacry late glue Needless say very relieved find cause attacks experienced year earlier continued use CyA however used glue very frugally wellventilated areas suffered minor symptoms such runny nose watery eyes after using CyA accepted discomforts return advantages associated use cyanoac rylate glues Now lets jump ahead February year time diagnosed having der matographism laymans terms itched over developed hive-like welts hatched out minor scratch bump strong handshake Note yet read articles informed club member about possible allergic reactions associated use CyA explained condition another RC club member suggested should contact Academy Model Aeronautics directly request information pertaining CyA glue member further stated read past issue Model Aviation possible link between CyA hives Thus called AMA Headquarters explained plight Within few days received two articles previ ously mentioned Now question dermatographism long-term reaction caused limited use CyA am allergic something else altogether different prime objective answer question since doctor dumbfounded cause problem Therefore letter Mr Preston possible please print part letter next Safety Comes First column Model Aviation other model enthusi asts have diagnosed dermatographism suffer symptoms similar own some knows case closely relates own please ask people write address given may pass information doctor Dermatographism lifethreatening however very aggravating knowing cause condition Plus cherish thought having take 10 mg hydroxyzine day rest life CyA found catalyst have got heck long-term reaction believe others should informed Bills letter written back July year some reason did receive few weeks ago called explained problems result sent copy July letter copy wrote no longer need take hydroxyzine relieve itching however skin still sensitive Needless say Bill does use CyA glue anymore readers have information regarding dermatographism symptom use cy anoacrylate glue please write Model Avi ation contact Bill directly following ad dress William C Fike Jr 804 Broadmoor Dr Bloomington IL 61701 readers did see October Safety column subject CyA glue would like receive copy please contact include SASE will forward copy Epoxy reaction As cyanoacrylate glue some us experience health prob lems using epoxies Most often seems amine hardener component epoxy glues paints causes skin irritation However letter Graham Hicks La Grande OR cautions against following tip appeared No vember 1986 issue another model magazine tip suggested putting epoxy microwave oven warm up easier spreading Grahams experience follows may discourage following tip About eight years ago did same thing Continued page 18 16 Model Aviation J -I i V ADlO 4EA SEEM SE GE1TIw& SOME KU4t 0F INTEFEENCE 25 TO 45 ENGINES WING SPAN 55 2995 THIS IS THE SIXTH RELEASE OF OUR INCREASINGLY POPULAR EASY-BUILD SHORT KITS THE REALISTIC LOOKING MUSTANG FLIES LIKE DREAM WITH PLENTY OF WING AND TAIL AREA FOR FULL RANGE POSITIVE CONTROL AS WITH ALL OUR SHORT-KITS THE MUSTANG IS DESIGNED AROUND FOAM WING AND BOX FRAME FUSELAGE FOR SIMPLE AND STURDY CONSTRUCTION WE FURNISH THE ESSENTIAL PARTS ALONG WITH EASY- TO-FOLLOW PLANS AND LET THE BUILDER SELECT HIS OWN WOOD AND ADDITIONAL HARDWARE SHORT KIT INCLUDES PRECISION CUT ARCOFOAM WING CORES ABS HIGH-IMPACT COWLING AND BELLY COOLER FORMED WING GUN PORTS AND EXHAUST CRYSTAL CLEAR CANOPY WITH FRAMEWORK PLYWOOD FIREWALL LANDING GEAR STRAPS BLOCKS AND SCREWS FORMED STEEL ENGINE MOUNT CONTROL SURFACE HINGES CLEAR PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES BILL OF MATERIALS NO BALSA INCLUDED ORDERING SEND CHECK OR MONEY ORDER FOR 2905 PLUS S45D POSTAGE CANADIANS ADD 650 TO WING MPG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD B%% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE CATALOG FREE WITH ORDER MFG PHONE 815-459-0417 set microwave oven minute tumed less thirty seconds found myself unable think clearly losing balance about pass out kitchen floor hit stop button oven staggered out door fresh air became violently ill suf fered excruciating headache rest day doctor subsequently told certain types epoxies heated manner give off extremely lethal fumes like carbon monoxide give little no waming before too late May suggest check reputable medical chemical authority find statement true print strong caution next column unable find reputable source check Grahams statement However printing experience column cautioned about what might happen microwave next batch epoxy Meanwhile readers have information toxicity fumes given off heated epoxy Id like hear prop accidents Last month paid visit AMA HQ see what new displays Hurst Bow ers added model museum Its definitely worth visit John Worth informed Howard Crispin Dist IV AMA VP reported incident Sound column January issue came close costing him sight eye suggested repeat Howards account incident column may read others membership Howards account follows Labor Day having free day millions more-or-less last day sum mer went out local flying field little stand testing some equipment As cannot run up engines town because local ordinances Fortunately tumed out son went field got break-down stand set up 61 engine mounted three-meter chain laid out sound meter position Since looking some extreme comparisons started flow-through muffler proceeded run top needle walked out take reading As tumed back towards engine saw throttle barrel rotate about 3/2 four feet engine slightly rear got slammed head least felt way realized what happened became aware real problem trouble seeing next thing noticed felt slight pain above left eye brow line As shock wore off seconds saw hole prescription safety-glass sun glasses Being careful move eyes walked over car could check things out rearview mirror Two pieces glass sticking inside comer eye worred pulled out eye would bleed did attribute fact safety glasses did splinter Later part eye badly bruised eye did hurt point could see glass took down engine stand son driving proceeded hospital emergency room Examination showed evidently little bit glass did have sharp edge cut scratch across comea put patch over eye until next day gave some subsequent treatment eye now OK What happened Photo number shows rotated throttle barrel what next occurred Photographs included Howards Continued page 21 18 Model Aviation RADIO CONTROL P-51 MUSTANG __________A_A3 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHEETS 36 48 30 1116233 3132240 118 243 3116249 114 256 1132337 1120337 1116337 4931 3132344 5637 1/B 354 7145 3116362 8255 114 n3 73 95 61 5/16385 318 3 88 124 71 1/2 3 110 155 3/4 3 165 11164 56 76 48 31324 70 94 56 lie s4 60 106 66 3/164 93 122 75 1/4 n4 110 134 54 3/8 4 165 225 1/2 4 225 261 MATCHED SHEETS 42 3/324100 1184106 31164120 1/44131 BALM SliCKS 364B 1/16 11409 1/16 31510 1/16 1/214 3/32 1/410 3/32 31812 3/32 1/216 lie 11606 1/6 1/411 1/8 3/612 118 1/218 3/16311611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 31819 1/4 1/221 1/4 3/434 1/4 140 5/165/1021 3/8 3/627 318 1/232 3/8 3/442 3/9 152 12 1/236 1/2 3/446 1/2 156 5/6 5/648 3/4 3/467 BALSA HOT LINE Cull 506 745-6394 lOam- 6pm Ceatrul Tb. LONE STAR MODELS 1623 57th St Lubbock TX 79412 LIGHT LB BALSA TRIANGLES 36WOOD36 4 4 251/323 49 318 318 301/203 49 2 2 351/163 49 34 34 451/323 56 551183 67 63/163 76 8BALSA PLANKS361/43 85 24 653/83115 62 501/23139 32003/43220 30142801 3300 2411/232751/16478 2611/243653/32491 30222251184106 44233253/164117 244351/44138 28334953/84207 37346651/24282 46 56 TAPERED SHEETS 36 1/42 65 TRAILING EDGE 36 531/43851/4132 623/82655/161 1/430 3/83983/81 1/246 1/231201/2270 LONE STAR EPOXY 9,Lst.895 5 r,i598 15n/565 30 ,/508 INSTANTGLUE 1 na Thick 206 1 z Thi 256 2, Thick 500 2z Thi 556 BASSNGOD 3/16 3/16 3/161/4 3/16318 3/16112 3/16 3/4 1/4 1/4 1/4318 1/43/4 318 3/8 3181/2 3183/4 1/21/2 1/23/4 48 26 30 30 48 60 42 49 80 60 70 90 90 106 BUNDLE DEALS 201/6330 665 201/16430 1020 203/32330 840 153/32430 555 151/8330 715 10118436 675 153/16336 900 103/16436 810 101/4330 630 101/4430 860 10318330 850 53/8436 625 51/2330 540 51/2436 655 103/32448 845 51/8448 485 53/16448 565 51/4448 625 PINE STICKS lie 1/8 1181/4 1183/8 316 3/16 3/16 3/8 3/16 1/2 1/4 14 1/43/8 1/4 1/2 3/8 3/8 3648I HARD MAPLEIS 1317 1143/840 1623 31831846 2027 31811255 1724 3183/456 2332 1/23/465 3040 2437 3042I 3447 3752 SPRtICESTICKS36 48 1/8 1/915 1/8 1/41014 1/8 3/82019 3/163/162534 1/4 1/43145 14 3/83650 3/8 3/84563 3/8 1/25570 1/2 1/26060 12 3/46588 SPRUCE TRIANGLES 3183/8 1/21/2 3/4 3/4 36 45 51 77 LaTE PLY 48 1/86155 1/812 300 BIRCH DO WELS36 11809 3/16 11 1/414 5/1625 31832 SPLYBIRCH48 1/5412525 1/3212425 1/1612435 11812450 SPLYBIRCH48 3/32 12570 1/812585 3/1612585 1/412600 GROOVED LG MOUNTS 121eIIes 3183/4/1/8140 3/83/415/32140 1/23/413/16145 Handling Charge$30O pay UPS Add $200 COD $300 extra PP APO FPO W accept Visa Master Card personal checks COD 4-1/9% Ia Teas UScrrecyoly MiimrnOde 01000 3 VIDEO Hoppin Vol 3 Special Feature Warbird Hedge Action Tos Model Action Interviews Scale JETS British Concorde SST 1 Ba Construct Beginner 107 Mi49 95 2 Ba F gh T anngF Beqnners 65Mn4495 3 Wo dofNt de 391105 9OMn4495 4 Oshko hO e Ow 55Mm3995 5 Airplane Funnies 30 Mm Wild3995 6 US Scale Masters 60 Mis4195 7 Warbirds ActIon 75 Mis Fantast/c4995 8 Hedge HoppinVoll 45 M/4195 9 Which Way/s Up 70 Mis Aerobat/cs4795 lOHedge Hoppin Vol 2 /10 Mm4195 13 Hedge Hoppin Vol 3 30 Mm3495 Hedg Hoppin Series Feature Var/ety Avala lion Topics Full Scale & Model OrderIng Information Rentals $1495 Rental DeposIt Retail Price Tape Rental Duration 7 Days After Del/very K Payntent Check 10 days MO Visa/MC Card # & Exp Dale Phone# CODs Available Phone ShIpping 375 Foreign Canada Add 30% Total Others 15g IL Re Add 7% Ta Academy AviatIon R & D PO Box 277 Hazel Crest IL 60429 335 0776 ~G1A Z Sound column January 1987 issue JDP knurled end needle valve entered prop arc photo reproduces well can see imprint about 1 inches out prop piece broke off thrown out slightly rear engine rather high velocity next step sequence shown photo number two piece evidently struck glasses angle judging spot two chunks glass hit eye As can see impact took out center glasses Fortunately always wear safety glasses times goggles over Without pro tection have little doubt damage eye would have severe possibly could have lost eye retrospect am sure throttle barrel rotated mounted engine checked screws tightness bal anced prop engine likely some vibrationsufficient apply pressure throttle linkagethat caused throttle rotate Whatever cause can assure will very careful things exactly same way again pleasant way spend holiday Like Howard wear prescription glasses have safety lenses sun glasses simi larly equipped urge modelers invest some form eye protection use both flying field workshop cost small compared loss eye Rotating props can cause injuries other body parts besides eye recent letter Ray mond Lefrancois Christiansburg VA illustrates legs vulnerable too Raymonds letter described incident club member amved flying field new model February 1987 21 CUSTOM CUT CONTEST BALSA Alt Sheets Piece ed Close Tolerances AAA e Kiln Dried ped 100% a serious modeler want performance must try 4-6 lb balsa Cosdnued page 22 NO OCR TEXT wooden propeller blades same make size may Cut fit correctly using good slow-cure epoxy Half thickness prop hub retained excellent strength qual ities advertising flyer concludes note states Using gauge feel can excellent job restoring broken props ever accept no responsibility product turn out other words company sell ing device recognizes finished product may less perfect compared new propeller dont want held respon sible should involved incident result ing restored prop suggest spend money new one-piece propellers long run could save Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston Virginia 22090 F3A Euro/Kristensen Continued page 43 thought mediocre performance score 383 slightly higher Steve flew shortly afterward came up vith highest score contest 373 should good enough get him flyoff Dean Koger again some bad luck having problems YS engine loading up sitting runway idling preparation takeoff happened again during takeoff roll Tony chase plane down runway accidentally kicked ele vator half bent down approximately created very bad trim condition plague Dean throughout flight Deans score fourth round quite low atonly 332 meantthat would able make flyoff would worth mentioning problems very likely have made flyoff flying gen erally very good second half 4th round got underway precisely four oclock Tony first fly put best flight far 385 well within striking distance flyoff spot although several unknown fac tors could come play such Lossens flight yet come scored very high effect Tonys score would minimized normalizing Also DiBaggio Bertalozzi Italy position knock both Steve Tony out flyoff way going determine flyoff positions course select top five European competitors also include non-Europeans placed ahead of top five Europeans Now well last half fourth round storm did materialize al though wind slightly stronger time flew really enough make difference also posted highest score 382 Helms got 373 Lossen flew near end quite strong wind came up 397 Ken Rinks thought might make flyoff got 356 did make cut Day 8 Sunday July 12 am sure woke up 540am Unable go back sleep got up went out contest site get couple practice flights flyoff start until ATT- CHEK1 ON-Board Battery Tester Saves Time. Saves Models BAiTCH EK RX-1 $1495 USA NEW Install RC Models Check receiver battery status press button Small Light 1/2 oz Precise Rugged ORDER TODAY dealer Protune Corp 9141462-8452 PO Box 1808 Poughkeepsie NY 12601 DEALER INOUIRIES J WELCOME J SEND450 per 5/8 ID Coupler or5OOper3/4 lDTo DANA AEROSPACE CORP 1110 E 5th St rior WI 54880 134 Model Aviation seen similar flights far Safety Prestonjudges have tendency loosen up toward Continued page 22the end contest
Edition: Model Aviation - 1987/02
Page Numbers: 16, 18, 21, 22, 134
___John Preston___________________________ Safety Comes First allergic reactions cya noacryl ate glues Danger Heating epoxies can release fumes hints prop safety CYANOACRYLATE ALLERGY October 1985 issue Model Aviation Safety column devoted entirely discussing allergic reac tions some modelers experienced used cyanoacrylate CyA glue best knowledge fumes emitted CyA cures cause permanent health problems can cause asthma acute skin irritation some people letter received during last month came such person Bill Fike Bloomington IL experienced allergic reaction type has previously reported Bill following say just received Academy Model Aeronautics upon request two articles written concerning allergic effects cyanoac rylate glue believe first article published April 1985 edition Model Aviation second article published October edition same year read both articles much interest since now suffer form der matitis called dermatographism Approximately three years ago started suffer asthma-type attacks no apparent reason visited personal MD stated allergic something prescribed tablet taken once attack started tacks subsided after about six months no longer carried medication person well good until July 1985 started build new 15/500 type aircraft Alas suffered asthma-type attack fi nally determined allergic cyanoacry late glue Needless say very relieved find cause attacks experienced year earlier continued use CyA however used glue very frugally wellventilated areas suffered minor symptoms such runny nose watery eyes after using CyA accepted discomforts return advantages associated use cyanoac rylate glues Now lets jump ahead February year time diagnosed having der matographism laymans terms itched over developed hive-like welts hatched out minor scratch bump strong handshake Note yet read articles informed club member about possible allergic reactions associated use CyA explained condition another RC club member suggested should contact Academy Model Aeronautics directly request information pertaining CyA glue member further stated read past issue Model Aviation possible link between CyA hives Thus called AMA Headquarters explained plight Within few days received two articles previ ously mentioned Now question dermatographism long-term reaction caused limited use CyA am allergic something else altogether different prime objective answer question since doctor dumbfounded cause problem Therefore letter Mr Preston possible please print part letter next Safety Comes First column Model Aviation other model enthusi asts have diagnosed dermatographism suffer symptoms similar own some knows case closely relates own please ask people write address given may pass information doctor Dermatographism lifethreatening however very aggravating knowing cause condition Plus cherish thought having take 10 mg hydroxyzine day rest life CyA found catalyst have got heck long-term reaction believe others should informed Bills letter written back July year some reason did receive few weeks ago called explained problems result sent copy July letter copy wrote no longer need take hydroxyzine relieve itching however skin still sensitive Needless say Bill does use CyA glue anymore readers have information regarding dermatographism symptom use cy anoacrylate glue please write Model Avi ation contact Bill directly following ad dress William C Fike Jr 804 Broadmoor Dr Bloomington IL 61701 readers did see October Safety column subject CyA glue would like receive copy please contact include SASE will forward copy Epoxy reaction As cyanoacrylate glue some us experience health prob lems using epoxies Most often seems amine hardener component epoxy glues paints causes skin irritation However letter Graham Hicks La Grande OR cautions against following tip appeared No vember 1986 issue another model magazine tip suggested putting epoxy microwave oven warm up easier spreading Grahams experience follows may discourage following tip About eight years ago did same thing Continued page 18 16 Model Aviation J -I i V ADlO 4EA SEEM SE GE1TIw& SOME KU4t 0F INTEFEENCE 25 TO 45 ENGINES WING SPAN 55 2995 THIS IS THE SIXTH RELEASE OF OUR INCREASINGLY POPULAR EASY-BUILD SHORT KITS THE REALISTIC LOOKING MUSTANG FLIES LIKE DREAM WITH PLENTY OF WING AND TAIL AREA FOR FULL RANGE POSITIVE CONTROL AS WITH ALL OUR SHORT-KITS THE MUSTANG IS DESIGNED AROUND FOAM WING AND BOX FRAME FUSELAGE FOR SIMPLE AND STURDY CONSTRUCTION WE FURNISH THE ESSENTIAL PARTS ALONG WITH EASY- TO-FOLLOW PLANS AND LET THE BUILDER SELECT HIS OWN WOOD AND ADDITIONAL HARDWARE SHORT KIT INCLUDES PRECISION CUT ARCOFOAM WING CORES ABS HIGH-IMPACT COWLING AND BELLY COOLER FORMED WING GUN PORTS AND EXHAUST CRYSTAL CLEAR CANOPY WITH FRAMEWORK PLYWOOD FIREWALL LANDING GEAR STRAPS BLOCKS AND SCREWS FORMED STEEL ENGINE MOUNT CONTROL SURFACE HINGES CLEAR PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES BILL OF MATERIALS NO BALSA INCLUDED ORDERING SEND CHECK OR MONEY ORDER FOR 2905 PLUS S45D POSTAGE CANADIANS ADD 650 TO WING MPG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD B%% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE CATALOG FREE WITH ORDER MFG PHONE 815-459-0417 set microwave oven minute tumed less thirty seconds found myself unable think clearly losing balance about pass out kitchen floor hit stop button oven staggered out door fresh air became violently ill suf fered excruciating headache rest day doctor subsequently told certain types epoxies heated manner give off extremely lethal fumes like carbon monoxide give little no waming before too late May suggest check reputable medical chemical authority find statement true print strong caution next column unable find reputable source check Grahams statement However printing experience column cautioned about what might happen microwave next batch epoxy Meanwhile readers have information toxicity fumes given off heated epoxy Id like hear prop accidents Last month paid visit AMA HQ see what new displays Hurst Bow ers added model museum Its definitely worth visit John Worth informed Howard Crispin Dist IV AMA VP reported incident Sound column January issue came close costing him sight eye suggested repeat Howards account incident column may read others membership Howards account follows Labor Day having free day millions more-or-less last day sum mer went out local flying field little stand testing some equipment As cannot run up engines town because local ordinances Fortunately tumed out son went field got break-down stand set up 61 engine mounted three-meter chain laid out sound meter position Since looking some extreme comparisons started flow-through muffler proceeded run top needle walked out take reading As tumed back towards engine saw throttle barrel rotate about 3/2 four feet engine slightly rear got slammed head least felt way realized what happened became aware real problem trouble seeing next thing noticed felt slight pain above left eye brow line As shock wore off seconds saw hole prescription safety-glass sun glasses Being careful move eyes walked over car could check things out rearview mirror Two pieces glass sticking inside comer eye worred pulled out eye would bleed did attribute fact safety glasses did splinter Later part eye badly bruised eye did hurt point could see glass took down engine stand son driving proceeded hospital emergency room Examination showed evidently little bit glass did have sharp edge cut scratch across comea put patch over eye until next day gave some subsequent treatment eye now OK What happened Photo number shows rotated throttle barrel what next occurred Photographs included Howards Continued page 21 18 Model Aviation RADIO CONTROL P-51 MUSTANG __________A_A3 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHEETS 36 48 30 1116233 3132240 118 243 3116249 114 256 1132337 1120337 1116337 4931 3132344 5637 1/B 354 7145 3116362 8255 114 n3 73 95 61 5/16385 318 3 88 124 71 1/2 3 110 155 3/4 3 165 11164 56 76 48 31324 70 94 56 lie s4 60 106 66 3/164 93 122 75 1/4 n4 110 134 54 3/8 4 165 225 1/2 4 225 261 MATCHED SHEETS 42 3/324100 1184106 31164120 1/44131 BALM SliCKS 364B 1/16 11409 1/16 31510 1/16 1/214 3/32 1/410 3/32 31812 3/32 1/216 lie 11606 1/6 1/411 1/8 3/612 118 1/218 3/16311611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 31819 1/4 1/221 1/4 3/434 1/4 140 5/165/1021 3/8 3/627 318 1/232 3/8 3/442 3/9 152 12 1/236 1/2 3/446 1/2 156 5/6 5/648 3/4 3/467 BALSA HOT LINE Cull 506 745-6394 lOam- 6pm Ceatrul Tb. LONE STAR MODELS 1623 57th St Lubbock TX 79412 LIGHT LB BALSA TRIANGLES 36WOOD36 4 4 251/323 49 318 318 301/203 49 2 2 351/163 49 34 34 451/323 56 551183 67 63/163 76 8BALSA PLANKS361/43 85 24 653/83115 62 501/23139 32003/43220 30142801 3300 2411/232751/16478 2611/243653/32491 30222251184106 44233253/164117 244351/44138 28334953/84207 37346651/24282 46 56 TAPERED SHEETS 36 1/42 65 TRAILING EDGE 36 531/43851/4132 623/82655/161 1/430 3/83983/81 1/246 1/231201/2270 LONE STAR EPOXY 9,Lst.895 5 r,i598 15n/565 30 ,/508 INSTANTGLUE 1 na Thick 206 1 z Thi 256 2, Thick 500 2z Thi 556 BASSNGOD 3/16 3/16 3/161/4 3/16318 3/16112 3/16 3/4 1/4 1/4 1/4318 1/43/4 318 3/8 3181/2 3183/4 1/21/2 1/23/4 48 26 30 30 48 60 42 49 80 60 70 90 90 106 BUNDLE DEALS 201/6330 665 201/16430 1020 203/32330 840 153/32430 555 151/8330 715 10118436 675 153/16336 900 103/16436 810 101/4330 630 101/4430 860 10318330 850 53/8436 625 51/2330 540 51/2436 655 103/32448 845 51/8448 485 53/16448 565 51/4448 625 PINE STICKS lie 1/8 1181/4 1183/8 316 3/16 3/16 3/8 3/16 1/2 1/4 14 1/43/8 1/4 1/2 3/8 3/8 3648I HARD MAPLEIS 1317 1143/840 1623 31831846 2027 31811255 1724 3183/456 2332 1/23/465 3040 2437 3042I 3447 3752 SPRtICESTICKS36 48 1/8 1/915 1/8 1/41014 1/8 3/82019 3/163/162534 1/4 1/43145 14 3/83650 3/8 3/84563 3/8 1/25570 1/2 1/26060 12 3/46588 SPRUCE TRIANGLES 3183/8 1/21/2 3/4 3/4 36 45 51 77 LaTE PLY 48 1/86155 1/812 300 BIRCH DO WELS36 11809 3/16 11 1/414 5/1625 31832 SPLYBIRCH48 1/5412525 1/3212425 1/1612435 11812450 SPLYBIRCH48 3/32 12570 1/812585 3/1612585 1/412600 GROOVED LG MOUNTS 121eIIes 3183/4/1/8140 3/83/415/32140 1/23/413/16145 Handling Charge$30O pay UPS Add $200 COD $300 extra PP APO FPO W accept Visa Master Card personal checks COD 4-1/9% Ia Teas UScrrecyoly MiimrnOde 01000 3 VIDEO Hoppin Vol 3 Special Feature Warbird Hedge Action Tos Model Action Interviews Scale JETS British Concorde SST 1 Ba Construct Beginner 107 Mi49 95 2 Ba F gh T anngF Beqnners 65Mn4495 3 Wo dofNt de 391105 9OMn4495 4 Oshko hO e Ow 55Mm3995 5 Airplane Funnies 30 Mm Wild3995 6 US Scale Masters 60 Mis4195 7 Warbirds ActIon 75 Mis Fantast/c4995 8 Hedge HoppinVoll 45 M/4195 9 Which Way/s Up 70 Mis Aerobat/cs4795 lOHedge Hoppin Vol 2 /10 Mm4195 13 Hedge Hoppin Vol 3 30 Mm3495 Hedg Hoppin Series Feature Var/ety Avala lion Topics Full Scale & Model OrderIng Information Rentals $1495 Rental DeposIt Retail Price Tape Rental Duration 7 Days After Del/very K Payntent Check 10 days MO Visa/MC Card # & Exp Dale Phone# CODs Available Phone ShIpping 375 Foreign Canada Add 30% Total Others 15g IL Re Add 7% Ta Academy AviatIon R & D PO Box 277 Hazel Crest IL 60429 335 0776 ~G1A Z Sound column January 1987 issue JDP knurled end needle valve entered prop arc photo reproduces well can see imprint about 1 inches out prop piece broke off thrown out slightly rear engine rather high velocity next step sequence shown photo number two piece evidently struck glasses angle judging spot two chunks glass hit eye As can see impact took out center glasses Fortunately always wear safety glasses times goggles over Without pro tection have little doubt damage eye would have severe possibly could have lost eye retrospect am sure throttle barrel rotated mounted engine checked screws tightness bal anced prop engine likely some vibrationsufficient apply pressure throttle linkagethat caused throttle rotate Whatever cause can assure will very careful things exactly same way again pleasant way spend holiday Like Howard wear prescription glasses have safety lenses sun glasses simi larly equipped urge modelers invest some form eye protection use both flying field workshop cost small compared loss eye Rotating props can cause injuries other body parts besides eye recent letter Ray mond Lefrancois Christiansburg VA illustrates legs vulnerable too Raymonds letter described incident club member amved flying field new model February 1987 21 CUSTOM CUT CONTEST BALSA Alt Sheets Piece ed Close Tolerances AAA e Kiln Dried ped 100% a serious modeler want performance must try 4-6 lb balsa Cosdnued page 22 NO OCR TEXT wooden propeller blades same make size may Cut fit correctly using good slow-cure epoxy Half thickness prop hub retained excellent strength qual ities advertising flyer concludes note states Using gauge feel can excellent job restoring broken props ever accept no responsibility product turn out other words company sell ing device recognizes finished product may less perfect compared new propeller dont want held respon sible should involved incident result ing restored prop suggest spend money new one-piece propellers long run could save Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston Virginia 22090 F3A Euro/Kristensen Continued page 43 thought mediocre performance score 383 slightly higher Steve flew shortly afterward came up vith highest score contest 373 should good enough get him flyoff Dean Koger again some bad luck having problems YS engine loading up sitting runway idling preparation takeoff happened again during takeoff roll Tony chase plane down runway accidentally kicked ele vator half bent down approximately created very bad trim condition plague Dean throughout flight Deans score fourth round quite low atonly 332 meantthat would able make flyoff would worth mentioning problems very likely have made flyoff flying gen erally very good second half 4th round got underway precisely four oclock Tony first fly put best flight far 385 well within striking distance flyoff spot although several unknown fac tors could come play such Lossens flight yet come scored very high effect Tonys score would minimized normalizing Also DiBaggio Bertalozzi Italy position knock both Steve Tony out flyoff way going determine flyoff positions course select top five European competitors also include non-Europeans placed ahead of top five Europeans Now well last half fourth round storm did materialize al though wind slightly stronger time flew really enough make difference also posted highest score 382 Helms got 373 Lossen flew near end quite strong wind came up 397 Ken Rinks thought might make flyoff got 356 did make cut Day 8 Sunday July 12 am sure woke up 540am Unable go back sleep got up went out contest site get couple practice flights flyoff start until ATT- CHEK1 ON-Board Battery Tester Saves Time. Saves Models BAiTCH EK RX-1 $1495 USA NEW Install RC Models Check receiver battery status press button Small Light 1/2 oz Precise Rugged ORDER TODAY dealer Protune Corp 9141462-8452 PO Box 1808 Poughkeepsie NY 12601 DEALER INOUIRIES J WELCOME J SEND450 per 5/8 ID Coupler or5OOper3/4 lDTo DANA AEROSPACE CORP 1110 E 5th St rior WI 54880 134 Model Aviation seen similar flights far Safety Prestonjudges have tendency loosen up toward Continued page 22the end contest
Edition: Model Aviation - 1987/02
Page Numbers: 16, 18, 21, 22, 134
___John Preston___________________________ Safety Comes First allergic reactions cya noacryl ate glues Danger Heating epoxies can release fumes hints prop safety CYANOACRYLATE ALLERGY October 1985 issue Model Aviation Safety column devoted entirely discussing allergic reac tions some modelers experienced used cyanoacrylate CyA glue best knowledge fumes emitted CyA cures cause permanent health problems can cause asthma acute skin irritation some people letter received during last month came such person Bill Fike Bloomington IL experienced allergic reaction type has previously reported Bill following say just received Academy Model Aeronautics upon request two articles written concerning allergic effects cyanoac rylate glue believe first article published April 1985 edition Model Aviation second article published October edition same year read both articles much interest since now suffer form der matitis called dermatographism Approximately three years ago started suffer asthma-type attacks no apparent reason visited personal MD stated allergic something prescribed tablet taken once attack started tacks subsided after about six months no longer carried medication person well good until July 1985 started build new 15/500 type aircraft Alas suffered asthma-type attack fi nally determined allergic cyanoacry late glue Needless say very relieved find cause attacks experienced year earlier continued use CyA however used glue very frugally wellventilated areas suffered minor symptoms such runny nose watery eyes after using CyA accepted discomforts return advantages associated use cyanoac rylate glues Now lets jump ahead February year time diagnosed having der matographism laymans terms itched over developed hive-like welts hatched out minor scratch bump strong handshake Note yet read articles informed club member about possible allergic reactions associated use CyA explained condition another RC club member suggested should contact Academy Model Aeronautics directly request information pertaining CyA glue member further stated read past issue Model Aviation possible link between CyA hives Thus called AMA Headquarters explained plight Within few days received two articles previ ously mentioned Now question dermatographism long-term reaction caused limited use CyA am allergic something else altogether different prime objective answer question since doctor dumbfounded cause problem Therefore letter Mr Preston possible please print part letter next Safety Comes First column Model Aviation other model enthusi asts have diagnosed dermatographism suffer symptoms similar own some knows case closely relates own please ask people write address given may pass information doctor Dermatographism lifethreatening however very aggravating knowing cause condition Plus cherish thought having take 10 mg hydroxyzine day rest life CyA found catalyst have got heck long-term reaction believe others should informed Bills letter written back July year some reason did receive few weeks ago called explained problems result sent copy July letter copy wrote no longer need take hydroxyzine relieve itching however skin still sensitive Needless say Bill does use CyA glue anymore readers have information regarding dermatographism symptom use cy anoacrylate glue please write Model Avi ation contact Bill directly following ad dress William C Fike Jr 804 Broadmoor Dr Bloomington IL 61701 readers did see October Safety column subject CyA glue would like receive copy please contact include SASE will forward copy Epoxy reaction As cyanoacrylate glue some us experience health prob lems using epoxies Most often seems amine hardener component epoxy glues paints causes skin irritation However letter Graham Hicks La Grande OR cautions against following tip appeared No vember 1986 issue another model magazine tip suggested putting epoxy microwave oven warm up easier spreading Grahams experience follows may discourage following tip About eight years ago did same thing Continued page 18 16 Model Aviation J -I i V ADlO 4EA SEEM SE GE1TIw& SOME KU4t 0F INTEFEENCE 25 TO 45 ENGINES WING SPAN 55 2995 THIS IS THE SIXTH RELEASE OF OUR INCREASINGLY POPULAR EASY-BUILD SHORT KITS THE REALISTIC LOOKING MUSTANG FLIES LIKE DREAM WITH PLENTY OF WING AND TAIL AREA FOR FULL RANGE POSITIVE CONTROL AS WITH ALL OUR SHORT-KITS THE MUSTANG IS DESIGNED AROUND FOAM WING AND BOX FRAME FUSELAGE FOR SIMPLE AND STURDY CONSTRUCTION WE FURNISH THE ESSENTIAL PARTS ALONG WITH EASY- TO-FOLLOW PLANS AND LET THE BUILDER SELECT HIS OWN WOOD AND ADDITIONAL HARDWARE SHORT KIT INCLUDES PRECISION CUT ARCOFOAM WING CORES ABS HIGH-IMPACT COWLING AND BELLY COOLER FORMED WING GUN PORTS AND EXHAUST CRYSTAL CLEAR CANOPY WITH FRAMEWORK PLYWOOD FIREWALL LANDING GEAR STRAPS BLOCKS AND SCREWS FORMED STEEL ENGINE MOUNT CONTROL SURFACE HINGES CLEAR PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES BILL OF MATERIALS NO BALSA INCLUDED ORDERING SEND CHECK OR MONEY ORDER FOR 2905 PLUS S45D POSTAGE CANADIANS ADD 650 TO WING MPG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD B%% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE CATALOG FREE WITH ORDER MFG PHONE 815-459-0417 set microwave oven minute tumed less thirty seconds found myself unable think clearly losing balance about pass out kitchen floor hit stop button oven staggered out door fresh air became violently ill suf fered excruciating headache rest day doctor subsequently told certain types epoxies heated manner give off extremely lethal fumes like carbon monoxide give little no waming before too late May suggest check reputable medical chemical authority find statement true print strong caution next column unable find reputable source check Grahams statement However printing experience column cautioned about what might happen microwave next batch epoxy Meanwhile readers have information toxicity fumes given off heated epoxy Id like hear prop accidents Last month paid visit AMA HQ see what new displays Hurst Bow ers added model museum Its definitely worth visit John Worth informed Howard Crispin Dist IV AMA VP reported incident Sound column January issue came close costing him sight eye suggested repeat Howards account incident column may read others membership Howards account follows Labor Day having free day millions more-or-less last day sum mer went out local flying field little stand testing some equipment As cannot run up engines town because local ordinances Fortunately tumed out son went field got break-down stand set up 61 engine mounted three-meter chain laid out sound meter position Since looking some extreme comparisons started flow-through muffler proceeded run top needle walked out take reading As tumed back towards engine saw throttle barrel rotate about 3/2 four feet engine slightly rear got slammed head least felt way realized what happened became aware real problem trouble seeing next thing noticed felt slight pain above left eye brow line As shock wore off seconds saw hole prescription safety-glass sun glasses Being careful move eyes walked over car could check things out rearview mirror Two pieces glass sticking inside comer eye worred pulled out eye would bleed did attribute fact safety glasses did splinter Later part eye badly bruised eye did hurt point could see glass took down engine stand son driving proceeded hospital emergency room Examination showed evidently little bit glass did have sharp edge cut scratch across comea put patch over eye until next day gave some subsequent treatment eye now OK What happened Photo number shows rotated throttle barrel what next occurred Photographs included Howards Continued page 21 18 Model Aviation RADIO CONTROL P-51 MUSTANG __________A_A3 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHEETS 36 48 30 1116233 3132240 118 243 3116249 114 256 1132337 1120337 1116337 4931 3132344 5637 1/B 354 7145 3116362 8255 114 n3 73 95 61 5/16385 318 3 88 124 71 1/2 3 110 155 3/4 3 165 11164 56 76 48 31324 70 94 56 lie s4 60 106 66 3/164 93 122 75 1/4 n4 110 134 54 3/8 4 165 225 1/2 4 225 261 MATCHED SHEETS 42 3/324100 1184106 31164120 1/44131 BALM SliCKS 364B 1/16 11409 1/16 31510 1/16 1/214 3/32 1/410 3/32 31812 3/32 1/216 lie 11606 1/6 1/411 1/8 3/612 118 1/218 3/16311611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 31819 1/4 1/221 1/4 3/434 1/4 140 5/165/1021 3/8 3/627 318 1/232 3/8 3/442 3/9 152 12 1/236 1/2 3/446 1/2 156 5/6 5/648 3/4 3/467 BALSA HOT LINE Cull 506 745-6394 lOam- 6pm Ceatrul Tb. LONE STAR MODELS 1623 57th St Lubbock TX 79412 LIGHT LB BALSA TRIANGLES 36WOOD36 4 4 251/323 49 318 318 301/203 49 2 2 351/163 49 34 34 451/323 56 551183 67 63/163 76 8BALSA PLANKS361/43 85 24 653/83115 62 501/23139 32003/43220 30142801 3300 2411/232751/16478 2611/243653/32491 30222251184106 44233253/164117 244351/44138 28334953/84207 37346651/24282 46 56 TAPERED SHEETS 36 1/42 65 TRAILING EDGE 36 531/43851/4132 623/82655/161 1/430 3/83983/81 1/246 1/231201/2270 LONE STAR EPOXY 9,Lst.895 5 r,i598 15n/565 30 ,/508 INSTANTGLUE 1 na Thick 206 1 z Thi 256 2, Thick 500 2z Thi 556 BASSNGOD 3/16 3/16 3/161/4 3/16318 3/16112 3/16 3/4 1/4 1/4 1/4318 1/43/4 318 3/8 3181/2 3183/4 1/21/2 1/23/4 48 26 30 30 48 60 42 49 80 60 70 90 90 106 BUNDLE DEALS 201/6330 665 201/16430 1020 203/32330 840 153/32430 555 151/8330 715 10118436 675 153/16336 900 103/16436 810 101/4330 630 101/4430 860 10318330 850 53/8436 625 51/2330 540 51/2436 655 103/32448 845 51/8448 485 53/16448 565 51/4448 625 PINE STICKS lie 1/8 1181/4 1183/8 316 3/16 3/16 3/8 3/16 1/2 1/4 14 1/43/8 1/4 1/2 3/8 3/8 3648I HARD MAPLEIS 1317 1143/840 1623 31831846 2027 31811255 1724 3183/456 2332 1/23/465 3040 2437 3042I 3447 3752 SPRtICESTICKS36 48 1/8 1/915 1/8 1/41014 1/8 3/82019 3/163/162534 1/4 1/43145 14 3/83650 3/8 3/84563 3/8 1/25570 1/2 1/26060 12 3/46588 SPRUCE TRIANGLES 3183/8 1/21/2 3/4 3/4 36 45 51 77 LaTE PLY 48 1/86155 1/812 300 BIRCH DO WELS36 11809 3/16 11 1/414 5/1625 31832 SPLYBIRCH48 1/5412525 1/3212425 1/1612435 11812450 SPLYBIRCH48 3/32 12570 1/812585 3/1612585 1/412600 GROOVED LG MOUNTS 121eIIes 3183/4/1/8140 3/83/415/32140 1/23/413/16145 Handling Charge$30O pay UPS Add $200 COD $300 extra PP APO FPO W accept Visa Master Card personal checks COD 4-1/9% Ia Teas UScrrecyoly MiimrnOde 01000 3 VIDEO Hoppin Vol 3 Special Feature Warbird Hedge Action Tos Model Action Interviews Scale JETS British Concorde SST 1 Ba Construct Beginner 107 Mi49 95 2 Ba F gh T anngF Beqnners 65Mn4495 3 Wo dofNt de 391105 9OMn4495 4 Oshko hO e Ow 55Mm3995 5 Airplane Funnies 30 Mm Wild3995 6 US Scale Masters 60 Mis4195 7 Warbirds ActIon 75 Mis Fantast/c4995 8 Hedge HoppinVoll 45 M/4195 9 Which Way/s Up 70 Mis Aerobat/cs4795 lOHedge Hoppin Vol 2 /10 Mm4195 13 Hedge Hoppin Vol 3 30 Mm3495 Hedg Hoppin Series Feature Var/ety Avala lion Topics Full Scale & Model OrderIng Information Rentals $1495 Rental DeposIt Retail Price Tape Rental Duration 7 Days After Del/very K Payntent Check 10 days MO Visa/MC Card # & Exp Dale Phone# CODs Available Phone ShIpping 375 Foreign Canada Add 30% Total Others 15g IL Re Add 7% Ta Academy AviatIon R & D PO Box 277 Hazel Crest IL 60429 335 0776 ~G1A Z Sound column January 1987 issue JDP knurled end needle valve entered prop arc photo reproduces well can see imprint about 1 inches out prop piece broke off thrown out slightly rear engine rather high velocity next step sequence shown photo number two piece evidently struck glasses angle judging spot two chunks glass hit eye As can see impact took out center glasses Fortunately always wear safety glasses times goggles over Without pro tection have little doubt damage eye would have severe possibly could have lost eye retrospect am sure throttle barrel rotated mounted engine checked screws tightness bal anced prop engine likely some vibrationsufficient apply pressure throttle linkagethat caused throttle rotate Whatever cause can assure will very careful things exactly same way again pleasant way spend holiday Like Howard wear prescription glasses have safety lenses sun glasses simi larly equipped urge modelers invest some form eye protection use both flying field workshop cost small compared loss eye Rotating props can cause injuries other body parts besides eye recent letter Ray mond Lefrancois Christiansburg VA illustrates legs vulnerable too Raymonds letter described incident club member amved flying field new model February 1987 21 CUSTOM CUT CONTEST BALSA Alt Sheets Piece ed Close Tolerances AAA e Kiln Dried ped 100% a serious modeler want performance must try 4-6 lb balsa Cosdnued page 22 NO OCR TEXT wooden propeller blades same make size may Cut fit correctly using good slow-cure epoxy Half thickness prop hub retained excellent strength qual ities advertising flyer concludes note states Using gauge feel can excellent job restoring broken props ever accept no responsibility product turn out other words company sell ing device recognizes finished product may less perfect compared new propeller dont want held respon sible should involved incident result ing restored prop suggest spend money new one-piece propellers long run could save Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston Virginia 22090 F3A Euro/Kristensen Continued page 43 thought mediocre performance score 383 slightly higher Steve flew shortly afterward came up vith highest score contest 373 should good enough get him flyoff Dean Koger again some bad luck having problems YS engine loading up sitting runway idling preparation takeoff happened again during takeoff roll Tony chase plane down runway accidentally kicked ele vator half bent down approximately created very bad trim condition plague Dean throughout flight Deans score fourth round quite low atonly 332 meantthat would able make flyoff would worth mentioning problems very likely have made flyoff flying gen erally very good second half 4th round got underway precisely four oclock Tony first fly put best flight far 385 well within striking distance flyoff spot although several unknown fac tors could come play such Lossens flight yet come scored very high effect Tonys score would minimized normalizing Also DiBaggio Bertalozzi Italy position knock both Steve Tony out flyoff way going determine flyoff positions course select top five European competitors also include non-Europeans placed ahead of top five Europeans Now well last half fourth round storm did materialize al though wind slightly stronger time flew really enough make difference also posted highest score 382 Helms got 373 Lossen flew near end quite strong wind came up 397 Ken Rinks thought might make flyoff got 356 did make cut Day 8 Sunday July 12 am sure woke up 540am Unable go back sleep got up went out contest site get couple practice flights flyoff start until ATT- CHEK1 ON-Board Battery Tester Saves Time. Saves Models BAiTCH EK RX-1 $1495 USA NEW Install RC Models Check receiver battery status press button Small Light 1/2 oz Precise Rugged ORDER TODAY dealer Protune Corp 9141462-8452 PO Box 1808 Poughkeepsie NY 12601 DEALER INOUIRIES J WELCOME J SEND450 per 5/8 ID Coupler or5OOper3/4 lDTo DANA AEROSPACE CORP 1110 E 5th St rior WI 54880 134 Model Aviation seen similar flights far Safety Prestonjudges have tendency loosen up toward Continued page 22the end contest
Edition: Model Aviation - 1987/02
Page Numbers: 16, 18, 21, 22, 134
___John Preston___________________________ Safety Comes First allergic reactions cya noacryl ate glues Danger Heating epoxies can release fumes hints prop safety CYANOACRYLATE ALLERGY October 1985 issue Model Aviation Safety column devoted entirely discussing allergic reac tions some modelers experienced used cyanoacrylate CyA glue best knowledge fumes emitted CyA cures cause permanent health problems can cause asthma acute skin irritation some people letter received during last month came such person Bill Fike Bloomington IL experienced allergic reaction type has previously reported Bill following say just received Academy Model Aeronautics upon request two articles written concerning allergic effects cyanoac rylate glue believe first article published April 1985 edition Model Aviation second article published October edition same year read both articles much interest since now suffer form der matitis called dermatographism Approximately three years ago started suffer asthma-type attacks no apparent reason visited personal MD stated allergic something prescribed tablet taken once attack started tacks subsided after about six months no longer carried medication person well good until July 1985 started build new 15/500 type aircraft Alas suffered asthma-type attack fi nally determined allergic cyanoacry late glue Needless say very relieved find cause attacks experienced year earlier continued use CyA however used glue very frugally wellventilated areas suffered minor symptoms such runny nose watery eyes after using CyA accepted discomforts return advantages associated use cyanoac rylate glues Now lets jump ahead February year time diagnosed having der matographism laymans terms itched over developed hive-like welts hatched out minor scratch bump strong handshake Note yet read articles informed club member about possible allergic reactions associated use CyA explained condition another RC club member suggested should contact Academy Model Aeronautics directly request information pertaining CyA glue member further stated read past issue Model Aviation possible link between CyA hives Thus called AMA Headquarters explained plight Within few days received two articles previ ously mentioned Now question dermatographism long-term reaction caused limited use CyA am allergic something else altogether different prime objective answer question since doctor dumbfounded cause problem Therefore letter Mr Preston possible please print part letter next Safety Comes First column Model Aviation other model enthusi asts have diagnosed dermatographism suffer symptoms similar own some knows case closely relates own please ask people write address given may pass information doctor Dermatographism lifethreatening however very aggravating knowing cause condition Plus cherish thought having take 10 mg hydroxyzine day rest life CyA found catalyst have got heck long-term reaction believe others should informed Bills letter written back July year some reason did receive few weeks ago called explained problems result sent copy July letter copy wrote no longer need take hydroxyzine relieve itching however skin still sensitive Needless say Bill does use CyA glue anymore readers have information regarding dermatographism symptom use cy anoacrylate glue please write Model Avi ation contact Bill directly following ad dress William C Fike Jr 804 Broadmoor Dr Bloomington IL 61701 readers did see October Safety column subject CyA glue would like receive copy please contact include SASE will forward copy Epoxy reaction As cyanoacrylate glue some us experience health prob lems using epoxies Most often seems amine hardener component epoxy glues paints causes skin irritation However letter Graham Hicks La Grande OR cautions against following tip appeared No vember 1986 issue another model magazine tip suggested putting epoxy microwave oven warm up easier spreading Grahams experience follows may discourage following tip About eight years ago did same thing Continued page 18 16 Model Aviation J -I i V ADlO 4EA SEEM SE GE1TIw& SOME KU4t 0F INTEFEENCE 25 TO 45 ENGINES WING SPAN 55 2995 THIS IS THE SIXTH RELEASE OF OUR INCREASINGLY POPULAR EASY-BUILD SHORT KITS THE REALISTIC LOOKING MUSTANG FLIES LIKE DREAM WITH PLENTY OF WING AND TAIL AREA FOR FULL RANGE POSITIVE CONTROL AS WITH ALL OUR SHORT-KITS THE MUSTANG IS DESIGNED AROUND FOAM WING AND BOX FRAME FUSELAGE FOR SIMPLE AND STURDY CONSTRUCTION WE FURNISH THE ESSENTIAL PARTS ALONG WITH EASY- TO-FOLLOW PLANS AND LET THE BUILDER SELECT HIS OWN WOOD AND ADDITIONAL HARDWARE SHORT KIT INCLUDES PRECISION CUT ARCOFOAM WING CORES ABS HIGH-IMPACT COWLING AND BELLY COOLER FORMED WING GUN PORTS AND EXHAUST CRYSTAL CLEAR CANOPY WITH FRAMEWORK PLYWOOD FIREWALL LANDING GEAR STRAPS BLOCKS AND SCREWS FORMED STEEL ENGINE MOUNT CONTROL SURFACE HINGES CLEAR PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES BILL OF MATERIALS NO BALSA INCLUDED ORDERING SEND CHECK OR MONEY ORDER FOR 2905 PLUS S45D POSTAGE CANADIANS ADD 650 TO WING MPG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD B%% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE CATALOG FREE WITH ORDER MFG PHONE 815-459-0417 set microwave oven minute tumed less thirty seconds found myself unable think clearly losing balance about pass out kitchen floor hit stop button oven staggered out door fresh air became violently ill suf fered excruciating headache rest day doctor subsequently told certain types epoxies heated manner give off extremely lethal fumes like carbon monoxide give little no waming before too late May suggest check reputable medical chemical authority find statement true print strong caution next column unable find reputable source check Grahams statement However printing experience column cautioned about what might happen microwave next batch epoxy Meanwhile readers have information toxicity fumes given off heated epoxy Id like hear prop accidents Last month paid visit AMA HQ see what new displays Hurst Bow ers added model museum Its definitely worth visit John Worth informed Howard Crispin Dist IV AMA VP reported incident Sound column January issue came close costing him sight eye suggested repeat Howards account incident column may read others membership Howards account follows Labor Day having free day millions more-or-less last day sum mer went out local flying field little stand testing some equipment As cannot run up engines town because local ordinances Fortunately tumed out son went field got break-down stand set up 61 engine mounted three-meter chain laid out sound meter position Since looking some extreme comparisons started flow-through muffler proceeded run top needle walked out take reading As tumed back towards engine saw throttle barrel rotate about 3/2 four feet engine slightly rear got slammed head least felt way realized what happened became aware real problem trouble seeing next thing noticed felt slight pain above left eye brow line As shock wore off seconds saw hole prescription safety-glass sun glasses Being careful move eyes walked over car could check things out rearview mirror Two pieces glass sticking inside comer eye worred pulled out eye would bleed did attribute fact safety glasses did splinter Later part eye badly bruised eye did hurt point could see glass took down engine stand son driving proceeded hospital emergency room Examination showed evidently little bit glass did have sharp edge cut scratch across comea put patch over eye until next day gave some subsequent treatment eye now OK What happened Photo number shows rotated throttle barrel what next occurred Photographs included Howards Continued page 21 18 Model Aviation RADIO CONTROL P-51 MUSTANG __________A_A3 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHEETS 36 48 30 1116233 3132240 118 243 3116249 114 256 1132337 1120337 1116337 4931 3132344 5637 1/B 354 7145 3116362 8255 114 n3 73 95 61 5/16385 318 3 88 124 71 1/2 3 110 155 3/4 3 165 11164 56 76 48 31324 70 94 56 lie s4 60 106 66 3/164 93 122 75 1/4 n4 110 134 54 3/8 4 165 225 1/2 4 225 261 MATCHED SHEETS 42 3/324100 1184106 31164120 1/44131 BALM SliCKS 364B 1/16 11409 1/16 31510 1/16 1/214 3/32 1/410 3/32 31812 3/32 1/216 lie 11606 1/6 1/411 1/8 3/612 118 1/218 3/16311611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 31819 1/4 1/221 1/4 3/434 1/4 140 5/165/1021 3/8 3/627 318 1/232 3/8 3/442 3/9 152 12 1/236 1/2 3/446 1/2 156 5/6 5/648 3/4 3/467 BALSA HOT LINE Cull 506 745-6394 lOam- 6pm Ceatrul Tb. LONE STAR MODELS 1623 57th St Lubbock TX 79412 LIGHT LB BALSA TRIANGLES 36WOOD36 4 4 251/323 49 318 318 301/203 49 2 2 351/163 49 34 34 451/323 56 551183 67 63/163 76 8BALSA PLANKS361/43 85 24 653/83115 62 501/23139 32003/43220 30142801 3300 2411/232751/16478 2611/243653/32491 30222251184106 44233253/164117 244351/44138 28334953/84207 37346651/24282 46 56 TAPERED SHEETS 36 1/42 65 TRAILING EDGE 36 531/43851/4132 623/82655/161 1/430 3/83983/81 1/246 1/231201/2270 LONE STAR EPOXY 9,Lst.895 5 r,i598 15n/565 30 ,/508 INSTANTGLUE 1 na Thick 206 1 z Thi 256 2, Thick 500 2z Thi 556 BASSNGOD 3/16 3/16 3/161/4 3/16318 3/16112 3/16 3/4 1/4 1/4 1/4318 1/43/4 318 3/8 3181/2 3183/4 1/21/2 1/23/4 48 26 30 30 48 60 42 49 80 60 70 90 90 106 BUNDLE DEALS 201/6330 665 201/16430 1020 203/32330 840 153/32430 555 151/8330 715 10118436 675 153/16336 900 103/16436 810 101/4330 630 101/4430 860 10318330 850 53/8436 625 51/2330 540 51/2436 655 103/32448 845 51/8448 485 53/16448 565 51/4448 625 PINE STICKS lie 1/8 1181/4 1183/8 316 3/16 3/16 3/8 3/16 1/2 1/4 14 1/43/8 1/4 1/2 3/8 3/8 3648I HARD MAPLEIS 1317 1143/840 1623 31831846 2027 31811255 1724 3183/456 2332 1/23/465 3040 2437 3042I 3447 3752 SPRtICESTICKS36 48 1/8 1/915 1/8 1/41014 1/8 3/82019 3/163/162534 1/4 1/43145 14 3/83650 3/8 3/84563 3/8 1/25570 1/2 1/26060 12 3/46588 SPRUCE TRIANGLES 3183/8 1/21/2 3/4 3/4 36 45 51 77 LaTE PLY 48 1/86155 1/812 300 BIRCH DO WELS36 11809 3/16 11 1/414 5/1625 31832 SPLYBIRCH48 1/5412525 1/3212425 1/1612435 11812450 SPLYBIRCH48 3/32 12570 1/812585 3/1612585 1/412600 GROOVED LG MOUNTS 121eIIes 3183/4/1/8140 3/83/415/32140 1/23/413/16145 Handling Charge$30O pay UPS Add $200 COD $300 extra PP APO FPO W accept Visa Master Card personal checks COD 4-1/9% Ia Teas UScrrecyoly MiimrnOde 01000 3 VIDEO Hoppin Vol 3 Special Feature Warbird Hedge Action Tos Model Action Interviews Scale JETS British Concorde SST 1 Ba Construct Beginner 107 Mi49 95 2 Ba F gh T anngF Beqnners 65Mn4495 3 Wo dofNt de 391105 9OMn4495 4 Oshko hO e Ow 55Mm3995 5 Airplane Funnies 30 Mm Wild3995 6 US Scale Masters 60 Mis4195 7 Warbirds ActIon 75 Mis Fantast/c4995 8 Hedge HoppinVoll 45 M/4195 9 Which Way/s Up 70 Mis Aerobat/cs4795 lOHedge Hoppin Vol 2 /10 Mm4195 13 Hedge Hoppin Vol 3 30 Mm3495 Hedg Hoppin Series Feature Var/ety Avala lion Topics Full Scale & Model OrderIng Information Rentals $1495 Rental DeposIt Retail Price Tape Rental Duration 7 Days After Del/very K Payntent Check 10 days MO Visa/MC Card # & Exp Dale Phone# CODs Available Phone ShIpping 375 Foreign Canada Add 30% Total Others 15g IL Re Add 7% Ta Academy AviatIon R & D PO Box 277 Hazel Crest IL 60429 335 0776 ~G1A Z Sound column January 1987 issue JDP knurled end needle valve entered prop arc photo reproduces well can see imprint about 1 inches out prop piece broke off thrown out slightly rear engine rather high velocity next step sequence shown photo number two piece evidently struck glasses angle judging spot two chunks glass hit eye As can see impact took out center glasses Fortunately always wear safety glasses times goggles over Without pro tection have little doubt damage eye would have severe possibly could have lost eye retrospect am sure throttle barrel rotated mounted engine checked screws tightness bal anced prop engine likely some vibrationsufficient apply pressure throttle linkagethat caused throttle rotate Whatever cause can assure will very careful things exactly same way again pleasant way spend holiday Like Howard wear prescription glasses have safety lenses sun glasses simi larly equipped urge modelers invest some form eye protection use both flying field workshop cost small compared loss eye Rotating props can cause injuries other body parts besides eye recent letter Ray mond Lefrancois Christiansburg VA illustrates legs vulnerable too Raymonds letter described incident club member amved flying field new model February 1987 21 CUSTOM CUT CONTEST BALSA Alt Sheets Piece ed Close Tolerances AAA e Kiln Dried ped 100% a serious modeler want performance must try 4-6 lb balsa Cosdnued page 22 NO OCR TEXT wooden propeller blades same make size may Cut fit correctly using good slow-cure epoxy Half thickness prop hub retained excellent strength qual ities advertising flyer concludes note states Using gauge feel can excellent job restoring broken props ever accept no responsibility product turn out other words company sell ing device recognizes finished product may less perfect compared new propeller dont want held respon sible should involved incident result ing restored prop suggest spend money new one-piece propellers long run could save Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston Virginia 22090 F3A Euro/Kristensen Continued page 43 thought mediocre performance score 383 slightly higher Steve flew shortly afterward came up vith highest score contest 373 should good enough get him flyoff Dean Koger again some bad luck having problems YS engine loading up sitting runway idling preparation takeoff happened again during takeoff roll Tony chase plane down runway accidentally kicked ele vator half bent down approximately created very bad trim condition plague Dean throughout flight Deans score fourth round quite low atonly 332 meantthat would able make flyoff would worth mentioning problems very likely have made flyoff flying gen erally very good second half 4th round got underway precisely four oclock Tony first fly put best flight far 385 well within striking distance flyoff spot although several unknown fac tors could come play such Lossens flight yet come scored very high effect Tonys score would minimized normalizing Also DiBaggio Bertalozzi Italy position knock both Steve Tony out flyoff way going determine flyoff positions course select top five European competitors also include non-Europeans placed ahead of top five Europeans Now well last half fourth round storm did materialize al though wind slightly stronger time flew really enough make difference also posted highest score 382 Helms got 373 Lossen flew near end quite strong wind came up 397 Ken Rinks thought might make flyoff got 356 did make cut Day 8 Sunday July 12 am sure woke up 540am Unable go back sleep got up went out contest site get couple practice flights flyoff start until ATT- CHEK1 ON-Board Battery Tester Saves Time. Saves Models BAiTCH EK RX-1 $1495 USA NEW Install RC Models Check receiver battery status press button Small Light 1/2 oz Precise Rugged ORDER TODAY dealer Protune Corp 9141462-8452 PO Box 1808 Poughkeepsie NY 12601 DEALER INOUIRIES J WELCOME J SEND450 per 5/8 ID Coupler or5OOper3/4 lDTo DANA AEROSPACE CORP 1110 E 5th St rior WI 54880 134 Model Aviation seen similar flights far Safety Prestonjudges have tendency loosen up toward Continued page 22the end contest
Edition: Model Aviation - 1987/02
Page Numbers: 16, 18, 21, 22, 134
___John Preston___________________________ Safety Comes First allergic reactions cya noacryl ate glues Danger Heating epoxies can release fumes hints prop safety CYANOACRYLATE ALLERGY October 1985 issue Model Aviation Safety column devoted entirely discussing allergic reac tions some modelers experienced used cyanoacrylate CyA glue best knowledge fumes emitted CyA cures cause permanent health problems can cause asthma acute skin irritation some people letter received during last month came such person Bill Fike Bloomington IL experienced allergic reaction type has previously reported Bill following say just received Academy Model Aeronautics upon request two articles written concerning allergic effects cyanoac rylate glue believe first article published April 1985 edition Model Aviation second article published October edition same year read both articles much interest since now suffer form der matitis called dermatographism Approximately three years ago started suffer asthma-type attacks no apparent reason visited personal MD stated allergic something prescribed tablet taken once attack started tacks subsided after about six months no longer carried medication person well good until July 1985 started build new 15/500 type aircraft Alas suffered asthma-type attack fi nally determined allergic cyanoacry late glue Needless say very relieved find cause attacks experienced year earlier continued use CyA however used glue very frugally wellventilated areas suffered minor symptoms such runny nose watery eyes after using CyA accepted discomforts return advantages associated use cyanoac rylate glues Now lets jump ahead February year time diagnosed having der matographism laymans terms itched over developed hive-like welts hatched out minor scratch bump strong handshake Note yet read articles informed club member about possible allergic reactions associated use CyA explained condition another RC club member suggested should contact Academy Model Aeronautics directly request information pertaining CyA glue member further stated read past issue Model Aviation possible link between CyA hives Thus called AMA Headquarters explained plight Within few days received two articles previ ously mentioned Now question dermatographism long-term reaction caused limited use CyA am allergic something else altogether different prime objective answer question since doctor dumbfounded cause problem Therefore letter Mr Preston possible please print part letter next Safety Comes First column Model Aviation other model enthusi asts have diagnosed dermatographism suffer symptoms similar own some knows case closely relates own please ask people write address given may pass information doctor Dermatographism lifethreatening however very aggravating knowing cause condition Plus cherish thought having take 10 mg hydroxyzine day rest life CyA found catalyst have got heck long-term reaction believe others should informed Bills letter written back July year some reason did receive few weeks ago called explained problems result sent copy July letter copy wrote no longer need take hydroxyzine relieve itching however skin still sensitive Needless say Bill does use CyA glue anymore readers have information regarding dermatographism symptom use cy anoacrylate glue please write Model Avi ation contact Bill directly following ad dress William C Fike Jr 804 Broadmoor Dr Bloomington IL 61701 readers did see October Safety column subject CyA glue would like receive copy please contact include SASE will forward copy Epoxy reaction As cyanoacrylate glue some us experience health prob lems using epoxies Most often seems amine hardener component epoxy glues paints causes skin irritation However letter Graham Hicks La Grande OR cautions against following tip appeared No vember 1986 issue another model magazine tip suggested putting epoxy microwave oven warm up easier spreading Grahams experience follows may discourage following tip About eight years ago did same thing Continued page 18 16 Model Aviation J -I i V ADlO 4EA SEEM SE GE1TIw& SOME KU4t 0F INTEFEENCE 25 TO 45 ENGINES WING SPAN 55 2995 THIS IS THE SIXTH RELEASE OF OUR INCREASINGLY POPULAR EASY-BUILD SHORT KITS THE REALISTIC LOOKING MUSTANG FLIES LIKE DREAM WITH PLENTY OF WING AND TAIL AREA FOR FULL RANGE POSITIVE CONTROL AS WITH ALL OUR SHORT-KITS THE MUSTANG IS DESIGNED AROUND FOAM WING AND BOX FRAME FUSELAGE FOR SIMPLE AND STURDY CONSTRUCTION WE FURNISH THE ESSENTIAL PARTS ALONG WITH EASY- TO-FOLLOW PLANS AND LET THE BUILDER SELECT HIS OWN WOOD AND ADDITIONAL HARDWARE SHORT KIT INCLUDES PRECISION CUT ARCOFOAM WING CORES ABS HIGH-IMPACT COWLING AND BELLY COOLER FORMED WING GUN PORTS AND EXHAUST CRYSTAL CLEAR CANOPY WITH FRAMEWORK PLYWOOD FIREWALL LANDING GEAR STRAPS BLOCKS AND SCREWS FORMED STEEL ENGINE MOUNT CONTROL SURFACE HINGES CLEAR PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES BILL OF MATERIALS NO BALSA INCLUDED ORDERING SEND CHECK OR MONEY ORDER FOR 2905 PLUS S45D POSTAGE CANADIANS ADD 650 TO WING MPG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD B%% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE CATALOG FREE WITH ORDER MFG PHONE 815-459-0417 set microwave oven minute tumed less thirty seconds found myself unable think clearly losing balance about pass out kitchen floor hit stop button oven staggered out door fresh air became violently ill suf fered excruciating headache rest day doctor subsequently told certain types epoxies heated manner give off extremely lethal fumes like carbon monoxide give little no waming before too late May suggest check reputable medical chemical authority find statement true print strong caution next column unable find reputable source check Grahams statement However printing experience column cautioned about what might happen microwave next batch epoxy Meanwhile readers have information toxicity fumes given off heated epoxy Id like hear prop accidents Last month paid visit AMA HQ see what new displays Hurst Bow ers added model museum Its definitely worth visit John Worth informed Howard Crispin Dist IV AMA VP reported incident Sound column January issue came close costing him sight eye suggested repeat Howards account incident column may read others membership Howards account follows Labor Day having free day millions more-or-less last day sum mer went out local flying field little stand testing some equipment As cannot run up engines town because local ordinances Fortunately tumed out son went field got break-down stand set up 61 engine mounted three-meter chain laid out sound meter position Since looking some extreme comparisons started flow-through muffler proceeded run top needle walked out take reading As tumed back towards engine saw throttle barrel rotate about 3/2 four feet engine slightly rear got slammed head least felt way realized what happened became aware real problem trouble seeing next thing noticed felt slight pain above left eye brow line As shock wore off seconds saw hole prescription safety-glass sun glasses Being careful move eyes walked over car could check things out rearview mirror Two pieces glass sticking inside comer eye worred pulled out eye would bleed did attribute fact safety glasses did splinter Later part eye badly bruised eye did hurt point could see glass took down engine stand son driving proceeded hospital emergency room Examination showed evidently little bit glass did have sharp edge cut scratch across comea put patch over eye until next day gave some subsequent treatment eye now OK What happened Photo number shows rotated throttle barrel what next occurred Photographs included Howards Continued page 21 18 Model Aviation RADIO CONTROL P-51 MUSTANG __________A_A3 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SHEETS 36 48 30 1116233 3132240 118 243 3116249 114 256 1132337 1120337 1116337 4931 3132344 5637 1/B 354 7145 3116362 8255 114 n3 73 95 61 5/16385 318 3 88 124 71 1/2 3 110 155 3/4 3 165 11164 56 76 48 31324 70 94 56 lie s4 60 106 66 3/164 93 122 75 1/4 n4 110 134 54 3/8 4 165 225 1/2 4 225 261 MATCHED SHEETS 42 3/324100 1184106 31164120 1/44131 BALM SliCKS 364B 1/16 11409 1/16 31510 1/16 1/214 3/32 1/410 3/32 31812 3/32 1/216 lie 11606 1/6 1/411 1/8 3/612 118 1/218 3/16311611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 31819 1/4 1/221 1/4 3/434 1/4 140 5/165/1021 3/8 3/627 318 1/232 3/8 3/442 3/9 152 12 1/236 1/2 3/446 1/2 156 5/6 5/648 3/4 3/467 BALSA HOT LINE Cull 506 745-6394 lOam- 6pm Ceatrul Tb. LONE STAR MODELS 1623 57th St Lubbock TX 79412 LIGHT LB BALSA TRIANGLES 36WOOD36 4 4 251/323 49 318 318 301/203 49 2 2 351/163 49 34 34 451/323 56 551183 67 63/163 76 8BALSA PLANKS361/43 85 24 653/83115 62 501/23139 32003/43220 30142801 3300 2411/232751/16478 2611/243653/32491 30222251184106 44233253/164117 244351/44138 28334953/84207 37346651/24282 46 56 TAPERED SHEETS 36 1/42 65 TRAILING EDGE 36 531/43851/4132 623/82655/161 1/430 3/83983/81 1/246 1/231201/2270 LONE STAR EPOXY 9,Lst.895 5 r,i598 15n/565 30 ,/508 INSTANTGLUE 1 na Thick 206 1 z Thi 256 2, Thick 500 2z Thi 556 BASSNGOD 3/16 3/16 3/161/4 3/16318 3/16112 3/16 3/4 1/4 1/4 1/4318 1/43/4 318 3/8 3181/2 3183/4 1/21/2 1/23/4 48 26 30 30 48 60 42 49 80 60 70 90 90 106 BUNDLE DEALS 201/6330 665 201/16430 1020 203/32330 840 153/32430 555 151/8330 715 10118436 675 153/16336 900 103/16436 810 101/4330 630 101/4430 860 10318330 850 53/8436 625 51/2330 540 51/2436 655 103/32448 845 51/8448 485 53/16448 565 51/4448 625 PINE STICKS lie 1/8 1181/4 1183/8 316 3/16 3/16 3/8 3/16 1/2 1/4 14 1/43/8 1/4 1/2 3/8 3/8 3648I HARD MAPLEIS 1317 1143/840 1623 31831846 2027 31811255 1724 3183/456 2332 1/23/465 3040 2437 3042I 3447 3752 SPRtICESTICKS36 48 1/8 1/915 1/8 1/41014 1/8 3/82019 3/163/162534 1/4 1/43145 14 3/83650 3/8 3/84563 3/8 1/25570 1/2 1/26060 12 3/46588 SPRUCE TRIANGLES 3183/8 1/21/2 3/4 3/4 36 45 51 77 LaTE PLY 48 1/86155 1/812 300 BIRCH DO WELS36 11809 3/16 11 1/414 5/1625 31832 SPLYBIRCH48 1/5412525 1/3212425 1/1612435 11812450 SPLYBIRCH48 3/32 12570 1/812585 3/1612585 1/412600 GROOVED LG MOUNTS 121eIIes 3183/4/1/8140 3/83/415/32140 1/23/413/16145 Handling Charge$30O pay UPS Add $200 COD $300 extra PP APO FPO W accept Visa Master Card personal checks COD 4-1/9% Ia Teas UScrrecyoly MiimrnOde 01000 3 VIDEO Hoppin Vol 3 Special Feature Warbird Hedge Action Tos Model Action Interviews Scale JETS British Concorde SST 1 Ba Construct Beginner 107 Mi49 95 2 Ba F gh T anngF Beqnners 65Mn4495 3 Wo dofNt de 391105 9OMn4495 4 Oshko hO e Ow 55Mm3995 5 Airplane Funnies 30 Mm Wild3995 6 US Scale Masters 60 Mis4195 7 Warbirds ActIon 75 Mis Fantast/c4995 8 Hedge HoppinVoll 45 M/4195 9 Which Way/s Up 70 Mis Aerobat/cs4795 lOHedge Hoppin Vol 2 /10 Mm4195 13 Hedge Hoppin Vol 3 30 Mm3495 Hedg Hoppin Series Feature Var/ety Avala lion Topics Full Scale & Model OrderIng Information Rentals $1495 Rental DeposIt Retail Price Tape Rental Duration 7 Days After Del/very K Payntent Check 10 days MO Visa/MC Card # & Exp Dale Phone# CODs Available Phone ShIpping 375 Foreign Canada Add 30% Total Others 15g IL Re Add 7% Ta Academy AviatIon R & D PO Box 277 Hazel Crest IL 60429 335 0776 ~G1A Z Sound column January 1987 issue JDP knurled end needle valve entered prop arc photo reproduces well can see imprint about 1 inches out prop piece broke off thrown out slightly rear engine rather high velocity next step sequence shown photo number two piece evidently struck glasses angle judging spot two chunks glass hit eye As can see impact took out center glasses Fortunately always wear safety glasses times goggles over Without pro tection have little doubt damage eye would have severe possibly could have lost eye retrospect am sure throttle barrel rotated mounted engine checked screws tightness bal anced prop engine likely some vibrationsufficient apply pressure throttle linkagethat caused throttle rotate Whatever cause can assure will very careful things exactly same way again pleasant way spend holiday Like Howard wear prescription glasses have safety lenses sun glasses simi larly equipped urge modelers invest some form eye protection use both flying field workshop cost small compared loss eye Rotating props can cause injuries other body parts besides eye recent letter Ray mond Lefrancois Christiansburg VA illustrates legs vulnerable too Raymonds letter described incident club member amved flying field new model February 1987 21 CUSTOM CUT CONTEST BALSA Alt Sheets Piece ed Close Tolerances AAA e Kiln Dried ped 100% a serious modeler want performance must try 4-6 lb balsa Cosdnued page 22 NO OCR TEXT wooden propeller blades same make size may Cut fit correctly using good slow-cure epoxy Half thickness prop hub retained excellent strength qual ities advertising flyer concludes note states Using gauge feel can excellent job restoring broken props ever accept no responsibility product turn out other words company sell ing device recognizes finished product may less perfect compared new propeller dont want held respon sible should involved incident result ing restored prop suggest spend money new one-piece propellers long run could save Have safe month John Preston Model Aviation 1810 Samuel Morse Dr Reston Virginia 22090 F3A Euro/Kristensen Continued page 43 thought mediocre performance score 383 slightly higher Steve flew shortly afterward came up vith highest score contest 373 should good enough get him flyoff Dean Koger again some bad luck having problems YS engine loading up sitting runway idling preparation takeoff happened again during takeoff roll Tony chase plane down runway accidentally kicked ele vator half bent down approximately created very bad trim condition plague Dean throughout flight Deans score fourth round quite low atonly 332 meantthat would able make flyoff would worth mentioning problems very likely have made flyoff flying gen erally very good second half 4th round got underway precisely four oclock Tony first fly put best flight far 385 well within striking distance flyoff spot although several unknown fac tors could come play such Lossens flight yet come scored very high effect Tonys score would minimized normalizing Also DiBaggio Bertalozzi Italy position knock both Steve Tony out flyoff way going determine flyoff positions course select top five European competitors also include non-Europeans placed ahead of top five Europeans Now well last half fourth round storm did materialize al though wind slightly stronger time flew really enough make difference also posted highest score 382 Helms got 373 Lossen flew near end quite strong wind came up 397 Ken Rinks thought might make flyoff got 356 did make cut Day 8 Sunday July 12 am sure woke up 540am Unable go back sleep got up went out contest site get couple practice flights flyoff start until ATT- CHEK1 ON-Board Battery Tester Saves Time. Saves Models BAiTCH EK RX-1 $1495 USA NEW Install RC Models Check receiver battery status press button Small Light 1/2 oz Precise Rugged ORDER TODAY dealer Protune Corp 9141462-8452 PO Box 1808 Poughkeepsie NY 12601 DEALER INOUIRIES J WELCOME J SEND450 per 5/8 ID Coupler or5OOper3/4 lDTo DANA AEROSPACE CORP 1110 E 5th St rior WI 54880 134 Model Aviation seen similar flights far Safety Prestonjudges have tendency loosen up toward Continued page 22the end contest