Radio Control Giant Scale Bob Beckman Bob Beckman has very pressed time lately recently informed editors would unable submit column December 1986 issue have asked another well-known Giant Scale modeler Col John de Vries Ret pinch hit Bob month Lets give him undivided attention IT MAYBE both use Olympus cameras photograph model airplanes us has uncompleted Giant Scale model thats sat workshop three years Curtiss Sparrowhawk Ryan M-5 Perhaps its because weve met Toledo Olean NY STARS Rally exchanged war stories gets some time free day-profession Bob will write book Giant Scale engine tests house ViP Aero Publishers Inc will publish event surprised honored delighted Bob Beckman invited guest columnistsparticularly since Ive just appointed new job Publicity Director International Minia ture Aircraft Association IMAA seems excellent opportunity spread gospel largest AMA Special Interest Groups 3500 members Since Ive IMAAer day almostmy member number 13 partic ipated its first organizational meeting ballroom Commodore Perry Hotel Toledo might say Im thoroughly brain washed party line pay twelve bucks dues year privilege being part best gang guys gals model hobby Although Im really active em belong two Colorado IMAA Chapters Nos 90 120 primarily receive excellent newsletters written Joan Alyea Leo Ford really look forward four times year IMAA Quarterly edited longtime Nats daily editor Les Hard Les puts out magazine chock full how-tos entirely devoted building flying Giant Scale RC models Probably IMAAs greatest concern after fostering fun building large model air planes safety Next time participate AMA-sanctioned contest check paperwork youre asked fill out before can fly Certificate Airworthiness says youve thoroughly test-flown familiar flying characteristics model models inspired similar requirement LMAA Bylaws CD has team safety inspectors wholl check model before youre permitted fly todays contests fun-flies fly-ins should know IMAA led way too early days host nay-sayers felt RC model weighed 13 pounds something bigger 60 nose accident looking somewhere happen Happily IMAAs insistence safe flight big uns has resulted darn fine safety record theres IMAA idea flying RC models should fun Admittedly wasnt new thought written consti tution Usually IMAA Chapter-sponsored frequently AMA-sanctioned fly-in rally festival other get-together has no entry landing fees no formalized judging no prizes AMA IMAA cards checked sign certificate have bird spected fly whenever frequencys available decide youd rather swap hangar talk other participants feel free might leave plane trans mitter field box car use fun-fly photo opportunity youll welcomed open arms Im knocking contests meets model competitions traditional kind static flight judging prizesthe whole schmear Its just its amply demon strated modelers will drive 400-500 miles stay motel RV flying field fly tanks dry weekend expectation BIg birds foothills Rocky Mountains two kits Carroll-Craft Osprey L Osprey Biplane R Theyre scale models just big fun-to-fly craft sport flier Ospreys frequently modified resemble various full-scale planes Ayellow DerJagerL atthefield Pikes Peak RC Club7200feet above sea level Concept Kits Fleet biplane R atthe Pikes Peak RC Clubs All-Plane Rally mountains background 30 miles away 60 Model Aviation taking home trophy other material prize value opportunity jaw model ers similar interest larger birds watch fly equals prize engine kit handful glow plugs IMAA particular value giantmodeler far removed bright lights city its attendant hobby shops AMAchartered clubs formal flying facilities Im talking about modeler lifeline mail order flies convenient farmers field primary source information printed word model magazines may have taught himself fly because nobody else around ever flown RC IMAAsHigh Flight will bring him detailed information about larger models including column specifically beginners organization will put him touch nearby IMAA Chapter individual modeler benefit lot modelers may have impression IMAA concerned scale models Although preponderance mem bership build fly birds have full-scale prototype large sport-model builders welcome join us formal definition IMAA large model purposely broad Monoplanes wingspans 80 inches biplanes 60-inch wings well within definition weight viewpoint talking about RC models weigh FAI Sporting Code allows formerly six kilograms its being revised upward less AMAs 55-pound max Because insurance considerations heavier models arent permitted IMAA/AMA-sanctioned rallies theres no consideration restriction scale applies models realistic types quarter-scale turns one-third scale bag model will welcome meets fundamental size weight criteria noted above Large Sailplanes/ Gliders Helicopters welcome IMAA ralliesalthough really isnt specific definition what constitutes large chopper Soif interest among large RC models scale otherwise definite advantages becoming IMAA member specific man contact Bill Wilbur Secretary 6 Laurel Ave Kittery ME 03904 check money order $12 US Canada Mexico $24 US funds overseas memberships should made pay able International Miniature Aircraft Association Inc Bill has membership records computerized youll soon have IMAA card hand Now about unfinished giant models Im hung up landing gear Ryan Other wise its ready cover Last time saw Bobs Sparrowhawk just bit further along Although dyed-in-the-wool Giant Scale Continued page 159 EXTRA 230 Featured rn May 86 Model Aviation Now Avullahim Standiff Scale Span99in Length 72 Areal300sqisspluo Leading28 az per sq ft Weight 17 Iba PowerQ35 Gut mur Quarter Scale Intimater Christiliasl Full Kit $19995 abs shimIn 312Ie Partial Kit $11595 ubssUinb SIN Cash-Money Order Certified Check Write Info ZENOAH 0-38511495 CUSTOM 0-3814995 CUSTOM 0-39 wlapnsg starter16995 MALONEY 100 ZENOAM 13-82 CUSTOM 0-62 wfmatte & meant CUSTOM G92 wfspiing starte NEW Fox 4OBB Delux SPEC IF CAT ONS BORE STROKE DISPLACEMENT RPM 10-6 prop Super Performer Fox 4OBB Delux similar Fox 4OBB except model provides two bearings main shalt instead ot equipped metal spinner 40B8 Delux supplied mottler ot course OrderSStyle 24098Fox 40DB Delux 840 715 40 13000 Cost $9995 Manufacturing Company 5305 Towion Avenue Fort Smith AR 72901 PO OX 911DDIii IPT@9163654700 ANDCRSON CA 96007Call Write Brochure SPECIALIZING IN ZENGA H/MALONEY QUALITY ENGINES H & K SUPERSTARTER MK II FITS ALL QUADRAS AND G-38 $2495 W ENGINESKITS $12495 MODEL TECH PRE-FABRiCATED KITS 2199972 CAP 21$17995 24995977 50 iN J055 STICK8995 27995ROBINHOOD 905495 Isis aii oeii soiled br ihe MALONEY 100 ZENOAH 6-23Eogses NEW ZENOAH G-62 YOU CAN RAYA WHOLE LOT MORE BUT YOU WONT GETA MORE POWERFUL LIGHTER WEIGH1 EASIER STARTIMO OR HElTER QUALITY 37 CL ENGINE ATANY PRICE WEIGHS 51 LBS W/MUFFL ER HA 8000 RPM ON 22 x 8 ZINGER WUFF SAID PROPS IzINOERIADHESIVESMISCELLANEOUS 19 06-10$ 995$59591395 19 ii 814999595250 200 9-101095950295 20s 9-1410959502995 220 9-1011959501795 1795 l-30%l 2 SLOW CACa E TAILwi-IEEL 2 oz FAST CAN0K POWERPLUG 5 MIN EPOXY 19 oztAMSOIL 100-I OIL IS MIN EPOXY 19 ozlWORLD S-19 IFUTUBAI 30 MiN Epoxy 19 or0-39 MOUNT 0-92 MOUNT Add $250 Postage Hondirsg order CO 0 oc additinal $250 Kes ado CB SPINNERS $750 UPS Vrsa/MC row accepied Prices subieci change oedtiOot notice OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER U TATONE 30 1 3 Use TATON ES ALUM MOTOR MOUNT THRUST TESTER determine maximum-ENGINE engine output usingTHROTTLE differentCONTROL S props SAFETY STARTING Vi LOCK 7ONLY $6996 fuel mixtures RPM levels Check engineDIRECT READING .A7 acjainst anotherTHRUST DIAL- December 1986 61 Acitabria SITS intfle4UU-acrepralrletflatlfle Pikes Peak RC Ciub cails home NEWEST AIRPLANE full size Aembatic World 712-943-4102 RIC EXTRAS RRNo 1Box2SB Sergeant Bluff IA 51054 CmQ 1 Model Magic Epoxy Plus 8 mm 25% lighter Sands & carves like Basswood \ Non sagging gap filling super strength Use anywhere atwo part epoxy used 6f1 oz $895 retail equal 8 oz regular epoxy Model Magic Filler Balsa Foam & Fiberglasssands exactly like Balsa Super lightweight Superior adhesion Waterproof Nontoxic Use nicks gaps fillets fairings building up large areas8 tl oz $595 retail shrink turn brittle used gasoline diesel fuel offers clarity visual fuel flow Model Magic fuel tubing remains flexible plasticizer migration foul engines exhibits outstanding tear abrasion resistence Tubing tinted red easy identification gasoline & diesel use Available 5ff $249/pkg lOft $479/pkg SOft spools $2190 Blue Gb-Fuel Tubing Made finest silicone tubing available Less 1% swelling after 150 hours 15% nitro fuel Available 21/2 5ff packages SOft spools~ Cr2 Inc ARed Gas & Diesel Tubing Model Magic Gas & Diesel Fuel Tubing will swell fine products available dealer direct Magic Products PO Box 19784 _C~odel K_ St Paul MN 55119 715/425-1397 precisely custom tool attempt reassemble motor will hit windings word comes Mr Astro himself Bob Boucher can attest bit sage observa tion So eyeing up pin punch hammerdont Some new motors have also introduced Astro include quite small quite large cobalts end time-honored 02 035 ferrites have discontinued replaced cobalt versions impressive power-han dling ability new smaller cobalts really shortened versions 05 cobalt can mentally picture what look like offer now because writing Astro already backordered new products may till can see hands on~ other end size range Astro has 60- 100-size motors sort interest should get touch Astro particulars biggies may present special problems like bench-run motors cause Bob tells . blow everything 100-foot-long shop away Hes process constructing special duct work safely carry prop blast somewhere else new Old-Timer pictured two photos Its Leisures Lanzo Bomber general very nice kit good wood clean cutting However would suggest interested beginners consider possible alternative cause some aspects construction very difficult plans dont help much particular diamond-shaped fuselage pylon super challenge during assembly also during equipment installation inspired plane let suggest keep equipment far forward pos sible work extra hard keep aft end lightotherwise its tail-heavy city no wants add nose weight Electric built model recent SAM 76 OT meet Hatfield PA decided power system late constructionchoosing geared cobalt 15 ten 800 mAb cells 12 x 8 fixed-blade fan radio controls rudder elevator motor On/Off uses 250 mAh battery pack All-up weight 49 oz rules meet allowed 90-second motor run time included seven-minute max limit three flights So did fly maxed three times leaving six Playboys behind Im appreciativebut next OT will probably another Playboy Late news Polk County Soaring Eagles Lakeland FL have announced second Electric Fun-Fly December 7 1986 follows popular demand first meet July 13 informatiion please contact Leonard Postage 6103 Andrea Dr Lakeland FL 33803 has two phone numbers Well have presume work phone other home phone 813 644-1942 813 2933434 Lets snow under Florida Electric entries Now youre thoroughly confused please forward related other comments questions SASE please Bob Kopski 25 West End Dr Lansdale PA 19446 know what primary concern Publisher Carl Wheeley dis cussed starting column couple years ago whether available Electric material would soon dry up wouldnt have enough write about RC Giant Scale/Beckman Continued page 61 builders arent particularly interested competi tion.I kind wonder wholl get hangar queen air first Once again thanks CoL John de Vries efforts month Bob Beckman intends back next month should continue send correspondence him address listed below Bob Beckman 8248 Holly Grove Ct Manassas VA 22110 RC Pylon Racing/Hager Continued page 62 everything races box unfolds complete mini-shop can used hold plane its being assembled can also use waist-level place service plane between flights No working ground photo tells Heres contest report Rock Valley RC Fliers Rockford IL weather cooperating day first Q500 race 1986 approached raining off several days As time drew nearer Contest Director Orv Steinmetz spending lot time swering phone calls nervous fliers inquiring still going have contest voice full confidence positive thinking told CD really beginning doubt Sure well have Continued page 163 December1986 159 Building repairs snap Model Magic
Edition: Model Aviation - 1986/12
Page Numbers: 60, 61, 159
Radio Control Giant Scale Bob Beckman Bob Beckman has very pressed time lately recently informed editors would unable submit column December 1986 issue have asked another well-known Giant Scale modeler Col John de Vries Ret pinch hit Bob month Lets give him undivided attention IT MAYBE both use Olympus cameras photograph model airplanes us has uncompleted Giant Scale model thats sat workshop three years Curtiss Sparrowhawk Ryan M-5 Perhaps its because weve met Toledo Olean NY STARS Rally exchanged war stories gets some time free day-profession Bob will write book Giant Scale engine tests house ViP Aero Publishers Inc will publish event surprised honored delighted Bob Beckman invited guest columnistsparticularly since Ive just appointed new job Publicity Director International Minia ture Aircraft Association IMAA seems excellent opportunity spread gospel largest AMA Special Interest Groups 3500 members Since Ive IMAAer day almostmy member number 13 partic ipated its first organizational meeting ballroom Commodore Perry Hotel Toledo might say Im thoroughly brain washed party line pay twelve bucks dues year privilege being part best gang guys gals model hobby Although Im really active em belong two Colorado IMAA Chapters Nos 90 120 primarily receive excellent newsletters written Joan Alyea Leo Ford really look forward four times year IMAA Quarterly edited longtime Nats daily editor Les Hard Les puts out magazine chock full how-tos entirely devoted building flying Giant Scale RC models Probably IMAAs greatest concern after fostering fun building large model air planes safety Next time participate AMA-sanctioned contest check paperwork youre asked fill out before can fly Certificate Airworthiness says youve thoroughly test-flown familiar flying characteristics model models inspired similar requirement LMAA Bylaws CD has team safety inspectors wholl check model before youre permitted fly todays contests fun-flies fly-ins should know IMAA led way too early days host nay-sayers felt RC model weighed 13 pounds something bigger 60 nose accident looking somewhere happen Happily IMAAs insistence safe flight big uns has resulted darn fine safety record theres IMAA idea flying RC models should fun Admittedly wasnt new thought written consti tution Usually IMAA Chapter-sponsored frequently AMA-sanctioned fly-in rally festival other get-together has no entry landing fees no formalized judging no prizes AMA IMAA cards checked sign certificate have bird spected fly whenever frequencys available decide youd rather swap hangar talk other participants feel free might leave plane trans mitter field box car use fun-fly photo opportunity youll welcomed open arms Im knocking contests meets model competitions traditional kind static flight judging prizesthe whole schmear Its just its amply demon strated modelers will drive 400-500 miles stay motel RV flying field fly tanks dry weekend expectation BIg birds foothills Rocky Mountains two kits Carroll-Craft Osprey L Osprey Biplane R Theyre scale models just big fun-to-fly craft sport flier Ospreys frequently modified resemble various full-scale planes Ayellow DerJagerL atthefield Pikes Peak RC Club7200feet above sea level Concept Kits Fleet biplane R atthe Pikes Peak RC Clubs All-Plane Rally mountains background 30 miles away 60 Model Aviation taking home trophy other material prize value opportunity jaw model ers similar interest larger birds watch fly equals prize engine kit handful glow plugs IMAA particular value giantmodeler far removed bright lights city its attendant hobby shops AMAchartered clubs formal flying facilities Im talking about modeler lifeline mail order flies convenient farmers field primary source information printed word model magazines may have taught himself fly because nobody else around ever flown RC IMAAsHigh Flight will bring him detailed information about larger models including column specifically beginners organization will put him touch nearby IMAA Chapter individual modeler benefit lot modelers may have impression IMAA concerned scale models Although preponderance mem bership build fly birds have full-scale prototype large sport-model builders welcome join us formal definition IMAA large model purposely broad Monoplanes wingspans 80 inches biplanes 60-inch wings well within definition weight viewpoint talking about RC models weigh FAI Sporting Code allows formerly six kilograms its being revised upward less AMAs 55-pound max Because insurance considerations heavier models arent permitted IMAA/AMA-sanctioned rallies theres no consideration restriction scale applies models realistic types quarter-scale turns one-third scale bag model will welcome meets fundamental size weight criteria noted above Large Sailplanes/ Gliders Helicopters welcome IMAA ralliesalthough really isnt specific definition what constitutes large chopper Soif interest among large RC models scale otherwise definite advantages becoming IMAA member specific man contact Bill Wilbur Secretary 6 Laurel Ave Kittery ME 03904 check money order $12 US Canada Mexico $24 US funds overseas memberships should made pay able International Miniature Aircraft Association Inc Bill has membership records computerized youll soon have IMAA card hand Now about unfinished giant models Im hung up landing gear Ryan Other wise its ready cover Last time saw Bobs Sparrowhawk just bit further along Although dyed-in-the-wool Giant Scale Continued page 159 EXTRA 230 Featured rn May 86 Model Aviation Now Avullahim Standiff Scale Span99in Length 72 Areal300sqisspluo Leading28 az per sq ft Weight 17 Iba PowerQ35 Gut mur Quarter Scale Intimater Christiliasl Full Kit $19995 abs shimIn 312Ie Partial Kit $11595 ubssUinb SIN Cash-Money Order Certified Check Write Info ZENOAH 0-38511495 CUSTOM 0-3814995 CUSTOM 0-39 wlapnsg starter16995 MALONEY 100 ZENOAM 13-82 CUSTOM 0-62 wfmatte & meant CUSTOM G92 wfspiing starte NEW Fox 4OBB Delux SPEC IF CAT ONS BORE STROKE DISPLACEMENT RPM 10-6 prop Super Performer Fox 4OBB Delux similar Fox 4OBB except model provides two bearings main shalt instead ot equipped metal spinner 40B8 Delux supplied mottler ot course OrderSStyle 24098Fox 40DB Delux 840 715 40 13000 Cost $9995 Manufacturing Company 5305 Towion Avenue Fort Smith AR 72901 PO OX 911DDIii IPT@9163654700 ANDCRSON CA 96007Call Write Brochure SPECIALIZING IN ZENGA H/MALONEY QUALITY ENGINES H & K SUPERSTARTER MK II FITS ALL QUADRAS AND G-38 $2495 W ENGINESKITS $12495 MODEL TECH PRE-FABRiCATED KITS 2199972 CAP 21$17995 24995977 50 iN J055 STICK8995 27995ROBINHOOD 905495 Isis aii oeii soiled br ihe MALONEY 100 ZENOAH 6-23Eogses NEW ZENOAH G-62 YOU CAN RAYA WHOLE LOT MORE BUT YOU WONT GETA MORE POWERFUL LIGHTER WEIGH1 EASIER STARTIMO OR HElTER QUALITY 37 CL ENGINE ATANY PRICE WEIGHS 51 LBS W/MUFFL ER HA 8000 RPM ON 22 x 8 ZINGER WUFF SAID PROPS IzINOERIADHESIVESMISCELLANEOUS 19 06-10$ 995$59591395 19 ii 814999595250 200 9-101095950295 20s 9-1410959502995 220 9-1011959501795 1795 l-30%l 2 SLOW CACa E TAILwi-IEEL 2 oz FAST CAN0K POWERPLUG 5 MIN EPOXY 19 oztAMSOIL 100-I OIL IS MIN EPOXY 19 ozlWORLD S-19 IFUTUBAI 30 MiN Epoxy 19 or0-39 MOUNT 0-92 MOUNT Add $250 Postage Hondirsg order CO 0 oc additinal $250 Kes ado CB SPINNERS $750 UPS Vrsa/MC row accepied Prices subieci change oedtiOot notice OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER U TATONE 30 1 3 Use TATON ES ALUM MOTOR MOUNT THRUST TESTER determine maximum-ENGINE engine output usingTHROTTLE differentCONTROL S props SAFETY STARTING Vi LOCK 7ONLY $6996 fuel mixtures RPM levels Check engineDIRECT READING .A7 acjainst anotherTHRUST DIAL- December 1986 61 Acitabria SITS intfle4UU-acrepralrletflatlfle Pikes Peak RC Ciub cails home NEWEST AIRPLANE full size Aembatic World 712-943-4102 RIC EXTRAS RRNo 1Box2SB Sergeant Bluff IA 51054 CmQ 1 Model Magic Epoxy Plus 8 mm 25% lighter Sands & carves like Basswood \ Non sagging gap filling super strength Use anywhere atwo part epoxy used 6f1 oz $895 retail equal 8 oz regular epoxy Model Magic Filler Balsa Foam & Fiberglasssands exactly like Balsa Super lightweight Superior adhesion Waterproof Nontoxic Use nicks gaps fillets fairings building up large areas8 tl oz $595 retail shrink turn brittle used gasoline diesel fuel offers clarity visual fuel flow Model Magic fuel tubing remains flexible plasticizer migration foul engines exhibits outstanding tear abrasion resistence Tubing tinted red easy identification gasoline & diesel use Available 5ff $249/pkg lOft $479/pkg SOft spools $2190 Blue Gb-Fuel Tubing Made finest silicone tubing available Less 1% swelling after 150 hours 15% nitro fuel Available 21/2 5ff packages SOft spools~ Cr2 Inc ARed Gas & Diesel Tubing Model Magic Gas & Diesel Fuel Tubing will swell fine products available dealer direct Magic Products PO Box 19784 _C~odel K_ St Paul MN 55119 715/425-1397 precisely custom tool attempt reassemble motor will hit windings word comes Mr Astro himself Bob Boucher can attest bit sage observa tion So eyeing up pin punch hammerdont Some new motors have also introduced Astro include quite small quite large cobalts end time-honored 02 035 ferrites have discontinued replaced cobalt versions impressive power-han dling ability new smaller cobalts really shortened versions 05 cobalt can mentally picture what look like offer now because writing Astro already backordered new products may till can see hands on~ other end size range Astro has 60- 100-size motors sort interest should get touch Astro particulars biggies may present special problems like bench-run motors cause Bob tells . blow everything 100-foot-long shop away Hes process constructing special duct work safely carry prop blast somewhere else new Old-Timer pictured two photos Its Leisures Lanzo Bomber general very nice kit good wood clean cutting However would suggest interested beginners consider possible alternative cause some aspects construction very difficult plans dont help much particular diamond-shaped fuselage pylon super challenge during assembly also during equipment installation inspired plane let suggest keep equipment far forward pos sible work extra hard keep aft end lightotherwise its tail-heavy city no wants add nose weight Electric built model recent SAM 76 OT meet Hatfield PA decided power system late constructionchoosing geared cobalt 15 ten 800 mAb cells 12 x 8 fixed-blade fan radio controls rudder elevator motor On/Off uses 250 mAh battery pack All-up weight 49 oz rules meet allowed 90-second motor run time included seven-minute max limit three flights So did fly maxed three times leaving six Playboys behind Im appreciativebut next OT will probably another Playboy Late news Polk County Soaring Eagles Lakeland FL have announced second Electric Fun-Fly December 7 1986 follows popular demand first meet July 13 informatiion please contact Leonard Postage 6103 Andrea Dr Lakeland FL 33803 has two phone numbers Well have presume work phone other home phone 813 644-1942 813 2933434 Lets snow under Florida Electric entries Now youre thoroughly confused please forward related other comments questions SASE please Bob Kopski 25 West End Dr Lansdale PA 19446 know what primary concern Publisher Carl Wheeley dis cussed starting column couple years ago whether available Electric material would soon dry up wouldnt have enough write about RC Giant Scale/Beckman Continued page 61 builders arent particularly interested competi tion.I kind wonder wholl get hangar queen air first Once again thanks CoL John de Vries efforts month Bob Beckman intends back next month should continue send correspondence him address listed below Bob Beckman 8248 Holly Grove Ct Manassas VA 22110 RC Pylon Racing/Hager Continued page 62 everything races box unfolds complete mini-shop can used hold plane its being assembled can also use waist-level place service plane between flights No working ground photo tells Heres contest report Rock Valley RC Fliers Rockford IL weather cooperating day first Q500 race 1986 approached raining off several days As time drew nearer Contest Director Orv Steinmetz spending lot time swering phone calls nervous fliers inquiring still going have contest voice full confidence positive thinking told CD really beginning doubt Sure well have Continued page 163 December1986 159 Building repairs snap Model Magic
Edition: Model Aviation - 1986/12
Page Numbers: 60, 61, 159
Radio Control Giant Scale Bob Beckman Bob Beckman has very pressed time lately recently informed editors would unable submit column December 1986 issue have asked another well-known Giant Scale modeler Col John de Vries Ret pinch hit Bob month Lets give him undivided attention IT MAYBE both use Olympus cameras photograph model airplanes us has uncompleted Giant Scale model thats sat workshop three years Curtiss Sparrowhawk Ryan M-5 Perhaps its because weve met Toledo Olean NY STARS Rally exchanged war stories gets some time free day-profession Bob will write book Giant Scale engine tests house ViP Aero Publishers Inc will publish event surprised honored delighted Bob Beckman invited guest columnistsparticularly since Ive just appointed new job Publicity Director International Minia ture Aircraft Association IMAA seems excellent opportunity spread gospel largest AMA Special Interest Groups 3500 members Since Ive IMAAer day almostmy member number 13 partic ipated its first organizational meeting ballroom Commodore Perry Hotel Toledo might say Im thoroughly brain washed party line pay twelve bucks dues year privilege being part best gang guys gals model hobby Although Im really active em belong two Colorado IMAA Chapters Nos 90 120 primarily receive excellent newsletters written Joan Alyea Leo Ford really look forward four times year IMAA Quarterly edited longtime Nats daily editor Les Hard Les puts out magazine chock full how-tos entirely devoted building flying Giant Scale RC models Probably IMAAs greatest concern after fostering fun building large model air planes safety Next time participate AMA-sanctioned contest check paperwork youre asked fill out before can fly Certificate Airworthiness says youve thoroughly test-flown familiar flying characteristics model models inspired similar requirement LMAA Bylaws CD has team safety inspectors wholl check model before youre permitted fly todays contests fun-flies fly-ins should know IMAA led way too early days host nay-sayers felt RC model weighed 13 pounds something bigger 60 nose accident looking somewhere happen Happily IMAAs insistence safe flight big uns has resulted darn fine safety record theres IMAA idea flying RC models should fun Admittedly wasnt new thought written consti tution Usually IMAA Chapter-sponsored frequently AMA-sanctioned fly-in rally festival other get-together has no entry landing fees no formalized judging no prizes AMA IMAA cards checked sign certificate have bird spected fly whenever frequencys available decide youd rather swap hangar talk other participants feel free might leave plane trans mitter field box car use fun-fly photo opportunity youll welcomed open arms Im knocking contests meets model competitions traditional kind static flight judging prizesthe whole schmear Its just its amply demon strated modelers will drive 400-500 miles stay motel RV flying field fly tanks dry weekend expectation BIg birds foothills Rocky Mountains two kits Carroll-Craft Osprey L Osprey Biplane R Theyre scale models just big fun-to-fly craft sport flier Ospreys frequently modified resemble various full-scale planes Ayellow DerJagerL atthefield Pikes Peak RC Club7200feet above sea level Concept Kits Fleet biplane R atthe Pikes Peak RC Clubs All-Plane Rally mountains background 30 miles away 60 Model Aviation taking home trophy other material prize value opportunity jaw model ers similar interest larger birds watch fly equals prize engine kit handful glow plugs IMAA particular value giantmodeler far removed bright lights city its attendant hobby shops AMAchartered clubs formal flying facilities Im talking about modeler lifeline mail order flies convenient farmers field primary source information printed word model magazines may have taught himself fly because nobody else around ever flown RC IMAAsHigh Flight will bring him detailed information about larger models including column specifically beginners organization will put him touch nearby IMAA Chapter individual modeler benefit lot modelers may have impression IMAA concerned scale models Although preponderance mem bership build fly birds have full-scale prototype large sport-model builders welcome join us formal definition IMAA large model purposely broad Monoplanes wingspans 80 inches biplanes 60-inch wings well within definition weight viewpoint talking about RC models weigh FAI Sporting Code allows formerly six kilograms its being revised upward less AMAs 55-pound max Because insurance considerations heavier models arent permitted IMAA/AMA-sanctioned rallies theres no consideration restriction scale applies models realistic types quarter-scale turns one-third scale bag model will welcome meets fundamental size weight criteria noted above Large Sailplanes/ Gliders Helicopters welcome IMAA ralliesalthough really isnt specific definition what constitutes large chopper Soif interest among large RC models scale otherwise definite advantages becoming IMAA member specific man contact Bill Wilbur Secretary 6 Laurel Ave Kittery ME 03904 check money order $12 US Canada Mexico $24 US funds overseas memberships should made pay able International Miniature Aircraft Association Inc Bill has membership records computerized youll soon have IMAA card hand Now about unfinished giant models Im hung up landing gear Ryan Other wise its ready cover Last time saw Bobs Sparrowhawk just bit further along Although dyed-in-the-wool Giant Scale Continued page 159 EXTRA 230 Featured rn May 86 Model Aviation Now Avullahim Standiff Scale Span99in Length 72 Areal300sqisspluo Leading28 az per sq ft Weight 17 Iba PowerQ35 Gut mur Quarter Scale Intimater Christiliasl Full Kit $19995 abs shimIn 312Ie Partial Kit $11595 ubssUinb SIN Cash-Money Order Certified Check Write Info ZENOAH 0-38511495 CUSTOM 0-3814995 CUSTOM 0-39 wlapnsg starter16995 MALONEY 100 ZENOAM 13-82 CUSTOM 0-62 wfmatte & meant CUSTOM G92 wfspiing starte NEW Fox 4OBB Delux SPEC IF CAT ONS BORE STROKE DISPLACEMENT RPM 10-6 prop Super Performer Fox 4OBB Delux similar Fox 4OBB except model provides two bearings main shalt instead ot equipped metal spinner 40B8 Delux supplied mottler ot course OrderSStyle 24098Fox 40DB Delux 840 715 40 13000 Cost $9995 Manufacturing Company 5305 Towion Avenue Fort Smith AR 72901 PO OX 911DDIii IPT@9163654700 ANDCRSON CA 96007Call Write Brochure SPECIALIZING IN ZENGA H/MALONEY QUALITY ENGINES H & K SUPERSTARTER MK II FITS ALL QUADRAS AND G-38 $2495 W ENGINESKITS $12495 MODEL TECH PRE-FABRiCATED KITS 2199972 CAP 21$17995 24995977 50 iN J055 STICK8995 27995ROBINHOOD 905495 Isis aii oeii soiled br ihe MALONEY 100 ZENOAH 6-23Eogses NEW ZENOAH G-62 YOU CAN RAYA WHOLE LOT MORE BUT YOU WONT GETA MORE POWERFUL LIGHTER WEIGH1 EASIER STARTIMO OR HElTER QUALITY 37 CL ENGINE ATANY PRICE WEIGHS 51 LBS W/MUFFL ER HA 8000 RPM ON 22 x 8 ZINGER WUFF SAID PROPS IzINOERIADHESIVESMISCELLANEOUS 19 06-10$ 995$59591395 19 ii 814999595250 200 9-101095950295 20s 9-1410959502995 220 9-1011959501795 1795 l-30%l 2 SLOW CACa E TAILwi-IEEL 2 oz FAST CAN0K POWERPLUG 5 MIN EPOXY 19 oztAMSOIL 100-I OIL IS MIN EPOXY 19 ozlWORLD S-19 IFUTUBAI 30 MiN Epoxy 19 or0-39 MOUNT 0-92 MOUNT Add $250 Postage Hondirsg order CO 0 oc additinal $250 Kes ado CB SPINNERS $750 UPS Vrsa/MC row accepied Prices subieci change oedtiOot notice OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER U TATONE 30 1 3 Use TATON ES ALUM MOTOR MOUNT THRUST TESTER determine maximum-ENGINE engine output usingTHROTTLE differentCONTROL S props SAFETY STARTING Vi LOCK 7ONLY $6996 fuel mixtures RPM levels Check engineDIRECT READING .A7 acjainst anotherTHRUST DIAL- December 1986 61 Acitabria SITS intfle4UU-acrepralrletflatlfle Pikes Peak RC Ciub cails home NEWEST AIRPLANE full size Aembatic World 712-943-4102 RIC EXTRAS RRNo 1Box2SB Sergeant Bluff IA 51054 CmQ 1 Model Magic Epoxy Plus 8 mm 25% lighter Sands & carves like Basswood \ Non sagging gap filling super strength Use anywhere atwo part epoxy used 6f1 oz $895 retail equal 8 oz regular epoxy Model Magic Filler Balsa Foam & Fiberglasssands exactly like Balsa Super lightweight Superior adhesion Waterproof Nontoxic Use nicks gaps fillets fairings building up large areas8 tl oz $595 retail shrink turn brittle used gasoline diesel fuel offers clarity visual fuel flow Model Magic fuel tubing remains flexible plasticizer migration foul engines exhibits outstanding tear abrasion resistence Tubing tinted red easy identification gasoline & diesel use Available 5ff $249/pkg lOft $479/pkg SOft spools $2190 Blue Gb-Fuel Tubing Made finest silicone tubing available Less 1% swelling after 150 hours 15% nitro fuel Available 21/2 5ff packages SOft spools~ Cr2 Inc ARed Gas & Diesel Tubing Model Magic Gas & Diesel Fuel Tubing will swell fine products available dealer direct Magic Products PO Box 19784 _C~odel K_ St Paul MN 55119 715/425-1397 precisely custom tool attempt reassemble motor will hit windings word comes Mr Astro himself Bob Boucher can attest bit sage observa tion So eyeing up pin punch hammerdont Some new motors have also introduced Astro include quite small quite large cobalts end time-honored 02 035 ferrites have discontinued replaced cobalt versions impressive power-han dling ability new smaller cobalts really shortened versions 05 cobalt can mentally picture what look like offer now because writing Astro already backordered new products may till can see hands on~ other end size range Astro has 60- 100-size motors sort interest should get touch Astro particulars biggies may present special problems like bench-run motors cause Bob tells . blow everything 100-foot-long shop away Hes process constructing special duct work safely carry prop blast somewhere else new Old-Timer pictured two photos Its Leisures Lanzo Bomber general very nice kit good wood clean cutting However would suggest interested beginners consider possible alternative cause some aspects construction very difficult plans dont help much particular diamond-shaped fuselage pylon super challenge during assembly also during equipment installation inspired plane let suggest keep equipment far forward pos sible work extra hard keep aft end lightotherwise its tail-heavy city no wants add nose weight Electric built model recent SAM 76 OT meet Hatfield PA decided power system late constructionchoosing geared cobalt 15 ten 800 mAb cells 12 x 8 fixed-blade fan radio controls rudder elevator motor On/Off uses 250 mAh battery pack All-up weight 49 oz rules meet allowed 90-second motor run time included seven-minute max limit three flights So did fly maxed three times leaving six Playboys behind Im appreciativebut next OT will probably another Playboy Late news Polk County Soaring Eagles Lakeland FL have announced second Electric Fun-Fly December 7 1986 follows popular demand first meet July 13 informatiion please contact Leonard Postage 6103 Andrea Dr Lakeland FL 33803 has two phone numbers Well have presume work phone other home phone 813 644-1942 813 2933434 Lets snow under Florida Electric entries Now youre thoroughly confused please forward related other comments questions SASE please Bob Kopski 25 West End Dr Lansdale PA 19446 know what primary concern Publisher Carl Wheeley dis cussed starting column couple years ago whether available Electric material would soon dry up wouldnt have enough write about RC Giant Scale/Beckman Continued page 61 builders arent particularly interested competi tion.I kind wonder wholl get hangar queen air first Once again thanks CoL John de Vries efforts month Bob Beckman intends back next month should continue send correspondence him address listed below Bob Beckman 8248 Holly Grove Ct Manassas VA 22110 RC Pylon Racing/Hager Continued page 62 everything races box unfolds complete mini-shop can used hold plane its being assembled can also use waist-level place service plane between flights No working ground photo tells Heres contest report Rock Valley RC Fliers Rockford IL weather cooperating day first Q500 race 1986 approached raining off several days As time drew nearer Contest Director Orv Steinmetz spending lot time swering phone calls nervous fliers inquiring still going have contest voice full confidence positive thinking told CD really beginning doubt Sure well have Continued page 163 December1986 159 Building repairs snap Model Magic