t4 GIANT SCALE Bob Beckman GIANT Growing Pains Big Birds have around long time really widespread awareness interest developed last four five years Quarter Scale Association America QSAA organized 1977 group Nevada California RCers annual fly-in has become outstanding affair QSAA member ship has grown original dozen two over thousand enthusiasts over world growth indication tremendous interest large models QSAA members small part total movement unexpectedly rapid growth QSAA has led organizational difficulties conceptual differences As result original core group has fragmented second association has formed time late January dont have lot hard data about different opinions involved long run really dont think important What important avoidance divisive situation could damage movement whole though majority enthusiasts may never members organization visible QSAA has lot influence least point contention seems question scale versus non-scale aircraft faction wants restrict big birds reasonably scale renditions isting man carrying aircraft Im sure isnt what really mean because literal interpretation would rule out lot good subjects no longer exist other faction wants allow design scale personal preference scale think majority big bird builders feel same However definite place non-scale designs playing ostrich isnt going make go away have literally thousands people engaged specific type activity bound sub-types involved folks got right own strokes provided that strokes dont injure other folks What movement needs strong united front areas common big birds form interfaces other modelers general public part boils down safety considera tions Beyond see no reason people shouldnt go direction wish Just because dont want Uglier Stik doesnt mean someone else cant get lot enjoyment Out process may learn something can help solve problem big birds Ill watching interest see new group progresses seems have potential being broad-based truly representative organization can speak us have speak together Itching Scratch As new branch modeling Giant Scale planes see hear about scratch-built kits big birds appearing however definition first excursions new model ing form have scratch-built including prototype kit Speaking definitions dont agree current use term scratch-built often used referring model made full kit opinion model made construction plans developed drawn someone else scratch-built Continued page 102 Photo upper left shows several things center attention Bob Siegelkoffs Quadrapowered Gru mman AgCat Ron Shettler shouting engine Shazzam Quadra will run Bob anchor person Doc Brooke supervises silently wonders should have given Bob special fuel Reliable reports state trio experts took 1/2 hour intensive effort get engine turn 7500 rpm instead 7700 Another thing shot shows relates safety considerations Have reading John Prestons column negative things positive Picture above shows Mario Yederlinics fantastic PT1 g about make picture book landing model won Best Military Scale 79 QSAA Fly-In scratch-built model weighs 25 lbs powered bya Quadra Mario says took him three weeks build have 96-hour days Florida Picture left shows Spirit St Louis designed Joe Bridi built John Pahiow flew just underthree hours QSAA Fly-In 21/2 gallons fuel carries big tank shown Quadra powered weighs 25 lbs dry 37 lbs full tank Bridi plans produce market kit 30 Model Aviation Lower wing Bobs Sparrowhawk Spruce spars laminated 1/32 ply trailing edge Idetails shown lastmonth aluminum tube leading edge Yes thewing upside-down jig No jig set up wrong Original plane minus degree dihedral lower wing SIMITAR WINS 1St PLACEPATTERN PRE-NOVICE 1979 WINTER NATS SIMITAR NEW. SI MI TAR SIMITAR SIMITAR SPORT SIMITAR 19 40 Power 50 Inch Span SIMITAR Standard Kit includes Ply Wing Sheeting SIMITARBdlsdFuseiage$5995 SIMITARGear Formed Sliding Tray SIMIlARFull Site Plans SIMITAR WINS 1St PLACENORTHROP FLYING WING CONTEST 1979 NEWT-SHIRTS High Quality 1000 n $ ulti-color Silkscreen U Sites SML&XL Eleck Rider Yellow Plus $100 Asiron Light Blue Shipping Simitar 540--Tan Charge SEE YOUR DEALER OR ORDER FROM BILL EVANS ~AIR/CRAFT 20825 ROSCOF BLVD CANOGA PARK CA 91306 TEL 213 344-6391 OR 709-0894 GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan Box 161 Mai-ysville Nil 4804 RC Soaring/Pruss continued page 29 appear before World War II So chronologically really wasnt cutoff point older designs starting date newer ones previous large Contests organizers could chance including scale event few stalwarts such Geier Hall Pearson Thacker usually showed up ships qualified separate category own because quality building because scale subjects us cheered Schule Glider Doc Hall same group knew Hall slim chance 10-minute duration event against likes Chris Adams sleek Caproni A21 unless lift such manhole covers out maxing Frisbees models Geier Pearson Thacker just also-rans isnt meant demean efforts fliers glass birds However date hasnt contest mixture various models ever left final results up grabs Well maybe following isnt cure-all above Stan Watson Hazel Crest IL has come up suggestion just could INDOOR MODEL SUPPLIES Box C Garberville CA 95440 PIRELLI RUBBER9e leteyIIhscI siase between 0206176 & ORb OUS in,insnne 3/32 7/64 & 116196 FAI BALSA1/lOK 1/64 10/IUU0thoagh25/1600 1/32 3/64126 1/163/32 esReed 9150 long 24 A&B gsi175 QUALITY BALSAAB&C gein sizes tepssd soar65 MICROFILM BEeoepIoeIly seehie etong light & itpoed296 MICROFILM AEsen Iiltng& blendable will Bee dse,ad295 QUICK STICK BALSA CEMENT Will flotbowl,beslhroughehinkege125 STICK TIUKT BALSA CEMENT N, eSinkage & blanagAle will US125 THINNERFe wend tenlenle MiteIiln A&R100 CONSENSKR PAPER CEMENT Sly 4 nin-eIetgIhens wond w/t ehinl125 RUBRER LUBEFleeS inAne tonIcs blend wins no weUr1SU ULUE SUNWilbeelee lee saeeenine en MT sear end booms375 NICOROME WIRE001 Riwgn wing haee 50 015025150 SYNS WIRE0007 1/3 weight OUONitlr US 175 25125 SONS WIRE0005 00%wnet557elabgs&eetwtda0h125 TUNGSTEN WIRE501 Ne elenaednn met, e,hs heing 25150 SHAFT WIRE010 012014 015 end 025 State sige eanI35 GLASSPORMSRelIingelhelsam,tnIohee3/1t 7/329/325/1U75 BOOM FORMUtieseesl bas en toll nail benme lGUS THRUST BEARINGTsnneed elan TINT 60 Sane 660 SinaI RAL100 TEFLONWABOERS00 07.Ut eds 07l,OlSwie150 RUBBER WINDERS6 itch, 6495 tHtet,595 MICRO WEISOTS100 e ,s end 200mg 160 CONDENSER PAPOR UIIallglI 30 sheene 2 shsels Os oIi200 MICROLITE FILMLwhanB eneengerthen CP went shrink per yd225 UILVE9 MICROLITE Saws nhwhness se snendend clear tsr yd275 Orders under $10 add $1 LEWGITLOW postage Orders over $10 4.nm add 5% postage encourage scale building older type sailplanes 5mixing categories Again might answer sure step right direction suggestion original parameter chosen represent full-scale performance event L/D ratio ratio generally given number such 20 37 sometimes high 50 modern 15-meter sailplanes have LID ratios around 40 have chosen number construct ratio will adjust maxes model entered essence Stan has come up formula L/D symbols whichreadsDxj defined follows D tion task say six minutes L/D -to-drag ratio full-size sailplane modeling 40 age high performance sailplanes would constant formula So decide build something out early 30s published L/D say 20 above formula six-minute max contest would required get three minutes almost-look-alike allwhite glass ships would shooting six minutes Stan offers few ideas youre interested send stamped self-addressed envel ope three-page copy proposal Stan Watson 3402 Hickory Lane Hazel Crest IL 60429 References full-scale sailplane specifica tions include Americas Soaring Book editors Flying Magazine Die Benahmtesten Segelj7ugzeuge Germany George Brutting Soarers Italy Ferdi Gale Carbon fiber spars Bill Mueller Hi-Flight Model Products has announced producing carbon fiber spars 36- 48-inch lengths Widths cknesses ngth spars unbelievable Its safe bet say spars will construction sailplanes what MonoKote did covering Other applications spars could looked such blades wing joiners slim booms pod boom designers See dealer write Hi-Flight Model Products 43225 Whittier Avenue Hemet CA 92343 Send now department Just received notice SOAR/Utah sailplane group out thataway hosting RC soaring/vacation week July 27 August 3 Theyre offering Alpine Thermal Slope soaring Lodging available side trips Festivities also include art shows symphonyjazz pop concerts swimming tennis Snowbirdjust outside Salt Lake City Utah brochure makes look quite inviting information write Loel H Schoonover 1425 South 320 East Orem UT 84057 Don Hamilton 760 West Crest Orem UT 84057 team competition has club fired up theres cross-country race being scheduled out Hutchinson Kansas Its 15-mile event particulars can obtained mail Pat McCleave 205 East 13th Hutchinson KS 67501 Keep building Dan Pruss RR 2 Box 490 Plainfield IL 60544 RC Giant Scale/Beckman continued page 30 dont mean disparage plan-built model kit-built Over years Ive certainly built plenty both Its just feel term scratch-built should really mean starting scratch nothing desired flight char acteristics mind case scale model necessary information about original airplane built kit finished model usually identified kit manufacturer talk about Nosen P-51s Bridi Rearwins think plan-built airplanes should giving same kind credit publicity person put time effort designing Two examples come mind Bob Morses fine Cessna 180 Don Godfreys outstanding Super Stearman Giant Scale plans available some advertised model mags interested plan-building intend review plans can get hold pass comments opinions have plans available send list what have prices get etc copy least offerings will retumed Ill give objective report possibly can Plan-building logical step between kitbuilding scratch-building youve got 102 Model Aviation Ultimate Flying Boat The
Edition: Model Aviation - 1980/05
Page Numbers: 30, 102
t4 GIANT SCALE Bob Beckman GIANT Growing Pains Big Birds have around long time really widespread awareness interest developed last four five years Quarter Scale Association America QSAA organized 1977 group Nevada California RCers annual fly-in has become outstanding affair QSAA member ship has grown original dozen two over thousand enthusiasts over world growth indication tremendous interest large models QSAA members small part total movement unexpectedly rapid growth QSAA has led organizational difficulties conceptual differences As result original core group has fragmented second association has formed time late January dont have lot hard data about different opinions involved long run really dont think important What important avoidance divisive situation could damage movement whole though majority enthusiasts may never members organization visible QSAA has lot influence least point contention seems question scale versus non-scale aircraft faction wants restrict big birds reasonably scale renditions isting man carrying aircraft Im sure isnt what really mean because literal interpretation would rule out lot good subjects no longer exist other faction wants allow design scale personal preference scale think majority big bird builders feel same However definite place non-scale designs playing ostrich isnt going make go away have literally thousands people engaged specific type activity bound sub-types involved folks got right own strokes provided that strokes dont injure other folks What movement needs strong united front areas common big birds form interfaces other modelers general public part boils down safety considera tions Beyond see no reason people shouldnt go direction wish Just because dont want Uglier Stik doesnt mean someone else cant get lot enjoyment Out process may learn something can help solve problem big birds Ill watching interest see new group progresses seems have potential being broad-based truly representative organization can speak us have speak together Itching Scratch As new branch modeling Giant Scale planes see hear about scratch-built kits big birds appearing however definition first excursions new model ing form have scratch-built including prototype kit Speaking definitions dont agree current use term scratch-built often used referring model made full kit opinion model made construction plans developed drawn someone else scratch-built Continued page 102 Photo upper left shows several things center attention Bob Siegelkoffs Quadrapowered Gru mman AgCat Ron Shettler shouting engine Shazzam Quadra will run Bob anchor person Doc Brooke supervises silently wonders should have given Bob special fuel Reliable reports state trio experts took 1/2 hour intensive effort get engine turn 7500 rpm instead 7700 Another thing shot shows relates safety considerations Have reading John Prestons column negative things positive Picture above shows Mario Yederlinics fantastic PT1 g about make picture book landing model won Best Military Scale 79 QSAA Fly-In scratch-built model weighs 25 lbs powered bya Quadra Mario says took him three weeks build have 96-hour days Florida Picture left shows Spirit St Louis designed Joe Bridi built John Pahiow flew just underthree hours QSAA Fly-In 21/2 gallons fuel carries big tank shown Quadra powered weighs 25 lbs dry 37 lbs full tank Bridi plans produce market kit 30 Model Aviation Lower wing Bobs Sparrowhawk Spruce spars laminated 1/32 ply trailing edge Idetails shown lastmonth aluminum tube leading edge Yes thewing upside-down jig No jig set up wrong Original plane minus degree dihedral lower wing SIMITAR WINS 1St PLACEPATTERN PRE-NOVICE 1979 WINTER NATS SIMITAR NEW. SI MI TAR SIMITAR SIMITAR SPORT SIMITAR 19 40 Power 50 Inch Span SIMITAR Standard Kit includes Ply Wing Sheeting SIMITARBdlsdFuseiage$5995 SIMITARGear Formed Sliding Tray SIMIlARFull Site Plans SIMITAR WINS 1St PLACENORTHROP FLYING WING CONTEST 1979 NEWT-SHIRTS High Quality 1000 n $ ulti-color Silkscreen U Sites SML&XL Eleck Rider Yellow Plus $100 Asiron Light Blue Shipping Simitar 540--Tan Charge SEE YOUR DEALER OR ORDER FROM BILL EVANS ~AIR/CRAFT 20825 ROSCOF BLVD CANOGA PARK CA 91306 TEL 213 344-6391 OR 709-0894 GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan Box 161 Mai-ysville Nil 4804 RC Soaring/Pruss continued page 29 appear before World War II So chronologically really wasnt cutoff point older designs starting date newer ones previous large Contests organizers could chance including scale event few stalwarts such Geier Hall Pearson Thacker usually showed up ships qualified separate category own because quality building because scale subjects us cheered Schule Glider Doc Hall same group knew Hall slim chance 10-minute duration event against likes Chris Adams sleek Caproni A21 unless lift such manhole covers out maxing Frisbees models Geier Pearson Thacker just also-rans isnt meant demean efforts fliers glass birds However date hasnt contest mixture various models ever left final results up grabs Well maybe following isnt cure-all above Stan Watson Hazel Crest IL has come up suggestion just could INDOOR MODEL SUPPLIES Box C Garberville CA 95440 PIRELLI RUBBER9e leteyIIhscI siase between 0206176 & ORb OUS in,insnne 3/32 7/64 & 116196 FAI BALSA1/lOK 1/64 10/IUU0thoagh25/1600 1/32 3/64126 1/163/32 esReed 9150 long 24 A&B gsi175 QUALITY BALSAAB&C gein sizes tepssd soar65 MICROFILM BEeoepIoeIly seehie etong light & itpoed296 MICROFILM AEsen Iiltng& blendable will Bee dse,ad295 QUICK STICK BALSA CEMENT Will flotbowl,beslhroughehinkege125 STICK TIUKT BALSA CEMENT N, eSinkage & blanagAle will US125 THINNERFe wend tenlenle MiteIiln A&R100 CONSENSKR PAPER CEMENT Sly 4 nin-eIetgIhens wond w/t ehinl125 RUBRER LUBEFleeS inAne tonIcs blend wins no weUr1SU ULUE SUNWilbeelee lee saeeenine en MT sear end booms375 NICOROME WIRE001 Riwgn wing haee 50 015025150 SYNS WIRE0007 1/3 weight OUONitlr US 175 25125 SONS WIRE0005 00%wnet557elabgs&eetwtda0h125 TUNGSTEN WIRE501 Ne elenaednn met, e,hs heing 25150 SHAFT WIRE010 012014 015 end 025 State sige eanI35 GLASSPORMSRelIingelhelsam,tnIohee3/1t 7/329/325/1U75 BOOM FORMUtieseesl bas en toll nail benme lGUS THRUST BEARINGTsnneed elan TINT 60 Sane 660 SinaI RAL100 TEFLONWABOERS00 07.Ut eds 07l,OlSwie150 RUBBER WINDERS6 itch, 6495 tHtet,595 MICRO WEISOTS100 e ,s end 200mg 160 CONDENSER PAPOR UIIallglI 30 sheene 2 shsels Os oIi200 MICROLITE FILMLwhanB eneengerthen CP went shrink per yd225 UILVE9 MICROLITE Saws nhwhness se snendend clear tsr yd275 Orders under $10 add $1 LEWGITLOW postage Orders over $10 4.nm add 5% postage encourage scale building older type sailplanes 5mixing categories Again might answer sure step right direction suggestion original parameter chosen represent full-scale performance event L/D ratio ratio generally given number such 20 37 sometimes high 50 modern 15-meter sailplanes have LID ratios around 40 have chosen number construct ratio will adjust maxes model entered essence Stan has come up formula L/D symbols whichreadsDxj defined follows D tion task say six minutes L/D -to-drag ratio full-size sailplane modeling 40 age high performance sailplanes would constant formula So decide build something out early 30s published L/D say 20 above formula six-minute max contest would required get three minutes almost-look-alike allwhite glass ships would shooting six minutes Stan offers few ideas youre interested send stamped self-addressed envel ope three-page copy proposal Stan Watson 3402 Hickory Lane Hazel Crest IL 60429 References full-scale sailplane specifica tions include Americas Soaring Book editors Flying Magazine Die Benahmtesten Segelj7ugzeuge Germany George Brutting Soarers Italy Ferdi Gale Carbon fiber spars Bill Mueller Hi-Flight Model Products has announced producing carbon fiber spars 36- 48-inch lengths Widths cknesses ngth spars unbelievable Its safe bet say spars will construction sailplanes what MonoKote did covering Other applications spars could looked such blades wing joiners slim booms pod boom designers See dealer write Hi-Flight Model Products 43225 Whittier Avenue Hemet CA 92343 Send now department Just received notice SOAR/Utah sailplane group out thataway hosting RC soaring/vacation week July 27 August 3 Theyre offering Alpine Thermal Slope soaring Lodging available side trips Festivities also include art shows symphonyjazz pop concerts swimming tennis Snowbirdjust outside Salt Lake City Utah brochure makes look quite inviting information write Loel H Schoonover 1425 South 320 East Orem UT 84057 Don Hamilton 760 West Crest Orem UT 84057 team competition has club fired up theres cross-country race being scheduled out Hutchinson Kansas Its 15-mile event particulars can obtained mail Pat McCleave 205 East 13th Hutchinson KS 67501 Keep building Dan Pruss RR 2 Box 490 Plainfield IL 60544 RC Giant Scale/Beckman continued page 30 dont mean disparage plan-built model kit-built Over years Ive certainly built plenty both Its just feel term scratch-built should really mean starting scratch nothing desired flight char acteristics mind case scale model necessary information about original airplane built kit finished model usually identified kit manufacturer talk about Nosen P-51s Bridi Rearwins think plan-built airplanes should giving same kind credit publicity person put time effort designing Two examples come mind Bob Morses fine Cessna 180 Don Godfreys outstanding Super Stearman Giant Scale plans available some advertised model mags interested plan-building intend review plans can get hold pass comments opinions have plans available send list what have prices get etc copy least offerings will retumed Ill give objective report possibly can Plan-building logical step between kitbuilding scratch-building youve got 102 Model Aviation Ultimate Flying Boat The