Radio Contml Sport & Aerobatics Ron Van Putte DONNYBROOK week ago copy February issue popular magazine exclusively about Radio Control caine hands Okay subscribe Radio Control Modeler peacefully settled down read came across column well-known au thor always flies weekends never Saturday Sunday Flier Very soon author Ken Willard got subject flying wind looked forward what hed say because its favorite subjects hes favorite writers years Suddenly recognized quote out November 1984 column written may have heard about danger ous downwind turn downwindturn 1800 turn started airplane heading downwind Ken point ed out hed heard flight instructors say 50 years wind turn opposite what Id describedand 1980 FAA Flight Training Handbook agrees asked readers input gleefully anticipating donnybrook looked forward because Im just gonna referee Now what would you challenged print bestknown well-respected writers RC flying First got angrythen decidedto get revenge before got revenge objectively reviewed what Id written decided right Lets see want go left make left turn Similarly want go right make right turn So makes sense want go downwind make downwind turn come Ive refer ring 1800 turn downwind heading downwind turn last 30 yars have doing consistently knowsand importantly cares So description what consti tutes downwind turn bothers just change labels two figures November issue figures correct since wind direction shown Now back previous point Ken Willard asked comments could act referee donnybrook What no donnybrook What people sent Ken Willard postcards said right about downwind turn Ken Van Putte agrees No donnybrookand would revenge way some authors try create controversy act material columns Its validbut kind cheapway get column material creative juices 46 Model Aviation Daniel Phillips Reston VA calls biplane Hobo because Its travels won RCM Design Contest May 1966 George Yell Utica NY started its construction Juiy 1966 quit hobby sold model passed hand-to-hand until Dan got use parts/wood source removed ragged covering decided worth salvaging rebuilt itand did nice job tool Wingspan 1s48 weight 187 lb originally powered NB 61 PDP Later OS FS 61 four-cycle added Nat Penton Lake Charles LA displays Sorta Dalotel design built Masterclass filer Norm Whittie sold Nat just before transfer overseas USAF dry up often never Well once y interesting telephone call Jim White Great Bend KS referred two Soapbox inputs first Jim Mowrey reprinted Turbulent Tissue newsletter Model Aircraft Association Central Kansas Soapbox input published November 1984 issue Model Aviation under title Foe RC Turnaround Pattern second Soapbox Howard Crispin Jr president Unified Scale Pattern Judges Association AMA District IV vice-president re sponse Mowreys input published February 1985 issue Model Aviation read both inputs published got both out reread after receiving Whites tele phone call Basically Mowrey taking exception what appeared atti tude proponents Turnaround ignor ing opposition also claimed Turnaround pure boredom Crispins response Mowrey must have seen Turnaround contest under F3A rules some contests call event Turnaround isnt run according rules went point out three things make break F3A event wont quote what wrote refer original article However ilutshell said event needs suitable airplane disci plined pilot trained judges agree Howard points up through part response should have stop ped think shot himself foot went say no place FAI Sporting Code states F3A spectator sport can take fashion choose fact remains entire purpose present F3A flown US develop fliers able compete World Championships Well no wonder people like Mowrey opposed attitude people belong inner circle dont claim proponent Turnaround thought reason being promoted because exciting event different kinds airplane/engine combina Continued page 143 44 4C e *0 s@ S WE NEED DEALERS! KITS ATLANTA 60$22275 OMEGA 60$20588 SIGMA 1160$24550 ACRO STAR 60$16315 QUATRO 40$15061 EXCEED 40$15188 HARDWARE IM SERVO MOUNTS.. $164 IM CAM LOCKS $149 MK CONTROL HORNS. $ 88 DIGICON HORNS $105 DIGICON TUBES IN TUBES operation flaps. DIGICON HINGES 12. $161 TETTRA AIR FILTERS 7912orl4mm$277 ISHIPLA FUEL FILTERS. $200 ISHIPLA PUSH RODS. $130 PULL-PULL HARDWARE $346 PULL-PULL HORN $ 74 WHEELS IpriCes wheel TETTRA SUPER WHEELS.. $513 50 55 60mm type R V U MK ALUMINUM WHEELS. $841 52 56 60 mm Radial MI PLASTIC WHEELS 31 4550 55 60mm Radial IM PLASTIC WHEELS 3035mm $197 4045mm $223 50mm $24855mm $272 60mm $29765mm $322 TETTRA SPARE TIRES$221 specify size & type MKFUELTANKS 450cc 15 ozSLIM$196 400cc133ozSLIM . $169 360cc 12 oz ROUND. $138 300cclOozROUND. $138 360cc 12 ozOVAL$138 320cc 107 ozOVAL.. $138 IMlOOOcc $392 TOOLS 8 ACCESS. TETTRA TUBING BENDER $476 NIWA TOOL KIT $895 TETTRA GLOW PLUG WRENCH$430 IM ENGINE TEST BENCH $428 IM STAND FOR BENCH $2673 MK WIRE BENDER$775 MSK TRANSMITTER CASE $2800 HATORI HEADERS AND PIPES #601 10cc PIPE$ 3423 #401 75cc PIPE$ 2995 Headers fit YS OS Enya Webbra OPS 8 Rossi RETRACTS e parts available MK S60 S40 NOSE$ 1733 MAINS$ 2450 Shipping handling orders up $2000 add $196 $2001 $6000 add $350 over $5000 add $500 Except Kits oversized add $700 angina orders add $300 California residenta must add 6A% sales tax VISA MasterCard Sc cepted Add $190 COD International orders welcoma additional shipping charges will ba applied Send $100 Catalog information San Francisco see products San Antonio Hobby Shop 9411278 Alameda Hobbycraft 415 5233980 RIC GOLDEN GATE HOBBIES PO Box 4412 Burlingame CA 94010 10 am 6 pm PST April 1985 47 said have mufflerbut commercial Unknown competitor made muffler organge juice can after tuned pipe Curare failed Wed like about Did work well Monday thru Friday 415-4673170 technique Dave premier Pattern flier taught following method several years ago After can get engine idle least five seconds before dying retard throttle high speed idle position pinch squeeze off fuel line engine quits sooner before its too lean runs longer its too rich Either way adjust idle mix ture screw needle valve accordingly CCW richen CW lean out adjust main needle Care should taken keep fingers and/or screwdrivers away prop also make minute adjustments never eighth turn time After adjustment keep checking progress make sure youre going right direction ensure havent gone too far satisfied readjust final idle position via throttle trim linkageor using idle stop carbto attain minimum reliable idle speed Thats key course understand what ing go about methodical manner Next month will conclude series discussion glow plugs props fuel care engine RC Aerobatics/Van Putte Continued page 47 tions provided alternative form competition traditional upwind downwind style Unfortunately Howard went say Finally writer Mowrey R VP ought reassured people care what thinks However believe should take time analyze F3A should flown before condemns may time far off RC Aerobatics will flown way Well certainly hope although understand rule proposal fly Turnaround classes competi tion Unfortunately always some people think its necessary junk what have order start something new Turnaround Pattern competition always available anyone wants compete rule bcok states competitors class may compete Turn around Contest Directors force competitors chcose between nor mal class Turnaround because allow ing compete both would either make contest too long cut number rounds flown course fliers normally fly Expert Masters usually win Turnaround tco thats probably what brought about new rules proposal have classes Turnaround Theres another topic reason Jim White called first place claims really arent lot RC Pattern fliers country got information dont know claims about 2500 Pattern fliers competed 1984 Fur ther less 150 contests average contest attendance about 20 Hows grab course theres way confirm claims AMA receives contest reports Contest Directors shouldnt take enormous effort go through reports analyze statistics hes right half members AMA RC fliers about 50000 about 5% RC fliers competed Pattern least once last year Thats small number people expend much time effort money know its strange thing Pattern competitor say think bears lcoking way believe five contests competed last year average 25 conI received letter Mark Corbett Route #2 Box 80-A Waxhaw NC 28173 regarding Pattern proposal called Super Seven letter part said Super Seven one-day Saturday Pattern meet would reduce time involved thus avoiding unnecessary motel fcod fuel costs well problems delayed Sunday fliers As its name reveals Super Seven provides seven-minute flight seven maneuvers everyone takeoff landing would count Expert above would perform touchand-go rest schedule could aligned suite AMA Contest Direc tor holding meet Turnaround-style pattern could use same type format Super Seven could flown Sundayperhaps pro-class event favor Turnaround can afford have spoken re garding idea Mark went say feel change needed believe would instill new life Pattern flying have personally flown models 22 years Pattern eight Masters class six eight cannot attend Pattern meets because time expense time has come really turnaround lcok ultimate goal Any response Super Seven proposal would appreciated Im sure Mark will get lot pro con responses us have drive long distance contests averaged 265 miles five contests last year would probably rather stay two days can afford time can appreciate reasoning one-day contest like describes Let him hear Id like congratulate Steve Rojecki publicly winning Tournament Champions Steve member club April 1985 143 testants Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used 25% Lighter Sandable Carveable Excellent Gap Filling Non-Sagging Superior Strength Sands Carves like Basswood! Sf1 ozl Equal over 8 wt oz regular epoxys See dealer first write call Model Magic Filler 0 0 S 0 W4PO Box 19784 St Paul MN 551190 715425-13970 MODEL MAGIC PRODUCTS Comparison Chart Model Magic Product X Adhesion BalsaExcellent Foam Fiberglass Strength Flexing Spreading Fuel ResistanceGood Sanding Ax med balsa Hardness Ax hard balsa FinishingAny finishicovering Shelf Life used up Tint AcceptanceExcellent water ResistExcellent Text methods data available request care enough fill very best very Poorinsist Model Magic Filler Circus Magic Filler Soft balsa Soft balsa 5-7 mo very Poor Eglin Aero Modelers know hard practiced prepare contest often practiced too dark fly comfortably fact often arrived just packing up leave Great job Steve Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Scale/Wischers Continued page 49 Standard J-l Fairchild FC-1 FC-2 FC-2W Consolidated-Vultee Catalina PRY-SA Cessna T-50 Bobcat new book contains 14 drawing sheets 195 photos Well-known modelers contributed books contents George Clapp Nats contestant countrys expert Fairchild air planes Col John deVries writer Scale column RCM magazine Paul Matt has published Album series volume 17 $10 postpaid Historical Aviation Album PO Box 33 Temple City CA 91780 Also available time writing limited supply back issues Album Send SASE above address list 114 enlarged three-view drawings published Album elsewhere Paul Matt have built five models using drawings contained Albums over period 18 years Metal-like finish Duplicating surface texture detail metal prototype challenge Scale modelers current World Champion David Masterton covered deHavilland Drover Trimotor 0035 aluminum alloy sheet metal specially rolled thickness hardness would permit handling damage Underneath alumi num skin standard balsa wood airplane individual piece alumi num embossed reverse side indentations form simulated rivets parts contactcemented balsa structure after forming fit shape model painted several other models LeBourget finished metal over balsa complete ly all-metal miniature copy French Cricket Very few modelers have necessary skill tools required produce such masterpiece metal Most us would search another method simulate metal-clad airplane Requests infor mation subject never seem end letters verbally though described system column about five years ago No doubt other methods possibly better repeated elaborations models structure given usual treatment sandpaper Glue joints stand above surrounding surfaces must taken down carefully using sanding block avoid removing balsa adjacent joint Any such ridge high point will plainly visible finished surface removed initially pronounced ridges strip-planked fuselage Cyanoacrylate CyA glues will harden balsa near joint joints arent really difficult sand smooth using block back up sandpaper trick sand joint avoid pressure softer balsa side Fiberglass cloth 3/ ounce per square yard lighter base material simulated metal finish impregnated polyester finishing resin such Sig K&B Heavier resin used boat building auto body repair too heavy purpose difficult sand adds unncessary weight Polyester resin will harden over doped surface should used over bare balsa glass cloth cut size slightly larger area covered fuselage can usually covered two pieces side small overlap along top bottom centerlines cloth follows compound curves nose tail very easily laid dry over balsa resin applied through cloth stiff-bristled brush Stiff bristles help move resin along thin layer laid down An expensive tinners acid flux brush ideal NI STARTER revolutionary concep model engines uxed boats cars airplanes NI STARTERITMI uses HeadiockiTMi adapter locks onto glow plugs start engine Fits pocket comes CI1O charger has LED lights up charging Rechargeable hundreds times gives over 50 consecutive starts recharging Available charger Send ad along prepayment receive free shipping handling $2495 Charger NI-STARTER $2495 charger ii iov 220V 1 2V fast chargeri NI-STARTER $1595 charger Chargers$1295 charger ii iov 220v 12V fast chargeri PLEASE SPECIFY WHICH CHARGER WHEN ORDERING 12421 RANSOM DRIVE GLENN DALE MD 20769301 464-2260 L Super sport flier turnaround pattern Balsa & ply construcelon 70 span 927 sq area 139w 7A -8A lbs 75-12culn Dealer Inquiry Invited Cleveland Ave SW Canfon OH 44707 Send $1 Catalog 846810 ROUSH MFG 144 Model Aviation $595 Sf1 ozi Fillets Filling Repair RA MFG OF NI-STAITEE
Edition: Model Aviation - 1985/04
Page Numbers: 46, 47, 143, 144
Radio Contml Sport & Aerobatics Ron Van Putte DONNYBROOK week ago copy February issue popular magazine exclusively about Radio Control caine hands Okay subscribe Radio Control Modeler peacefully settled down read came across column well-known au thor always flies weekends never Saturday Sunday Flier Very soon author Ken Willard got subject flying wind looked forward what hed say because its favorite subjects hes favorite writers years Suddenly recognized quote out November 1984 column written may have heard about danger ous downwind turn downwindturn 1800 turn started airplane heading downwind Ken point ed out hed heard flight instructors say 50 years wind turn opposite what Id describedand 1980 FAA Flight Training Handbook agrees asked readers input gleefully anticipating donnybrook looked forward because Im just gonna referee Now what would you challenged print bestknown well-respected writers RC flying First got angrythen decidedto get revenge before got revenge objectively reviewed what Id written decided right Lets see want go left make left turn Similarly want go right make right turn So makes sense want go downwind make downwind turn come Ive refer ring 1800 turn downwind heading downwind turn last 30 yars have doing consistently knowsand importantly cares So description what consti tutes downwind turn bothers just change labels two figures November issue figures correct since wind direction shown Now back previous point Ken Willard asked comments could act referee donnybrook What no donnybrook What people sent Ken Willard postcards said right about downwind turn Ken Van Putte agrees No donnybrookand would revenge way some authors try create controversy act material columns Its validbut kind cheapway get column material creative juices 46 Model Aviation Daniel Phillips Reston VA calls biplane Hobo because Its travels won RCM Design Contest May 1966 George Yell Utica NY started its construction Juiy 1966 quit hobby sold model passed hand-to-hand until Dan got use parts/wood source removed ragged covering decided worth salvaging rebuilt itand did nice job tool Wingspan 1s48 weight 187 lb originally powered NB 61 PDP Later OS FS 61 four-cycle added Nat Penton Lake Charles LA displays Sorta Dalotel design built Masterclass filer Norm Whittie sold Nat just before transfer overseas USAF dry up often never Well once y interesting telephone call Jim White Great Bend KS referred two Soapbox inputs first Jim Mowrey reprinted Turbulent Tissue newsletter Model Aircraft Association Central Kansas Soapbox input published November 1984 issue Model Aviation under title Foe RC Turnaround Pattern second Soapbox Howard Crispin Jr president Unified Scale Pattern Judges Association AMA District IV vice-president re sponse Mowreys input published February 1985 issue Model Aviation read both inputs published got both out reread after receiving Whites tele phone call Basically Mowrey taking exception what appeared atti tude proponents Turnaround ignor ing opposition also claimed Turnaround pure boredom Crispins response Mowrey must have seen Turnaround contest under F3A rules some contests call event Turnaround isnt run according rules went point out three things make break F3A event wont quote what wrote refer original article However ilutshell said event needs suitable airplane disci plined pilot trained judges agree Howard points up through part response should have stop ped think shot himself foot went say no place FAI Sporting Code states F3A spectator sport can take fashion choose fact remains entire purpose present F3A flown US develop fliers able compete World Championships Well no wonder people like Mowrey opposed attitude people belong inner circle dont claim proponent Turnaround thought reason being promoted because exciting event different kinds airplane/engine combina Continued page 143 44 4C e *0 s@ S WE NEED DEALERS! KITS ATLANTA 60$22275 OMEGA 60$20588 SIGMA 1160$24550 ACRO STAR 60$16315 QUATRO 40$15061 EXCEED 40$15188 HARDWARE IM SERVO MOUNTS.. $164 IM CAM LOCKS $149 MK CONTROL HORNS. $ 88 DIGICON HORNS $105 DIGICON TUBES IN TUBES operation flaps. DIGICON HINGES 12. $161 TETTRA AIR FILTERS 7912orl4mm$277 ISHIPLA FUEL FILTERS. $200 ISHIPLA PUSH RODS. $130 PULL-PULL HARDWARE $346 PULL-PULL HORN $ 74 WHEELS IpriCes wheel TETTRA SUPER WHEELS.. $513 50 55 60mm type R V U MK ALUMINUM WHEELS. $841 52 56 60 mm Radial MI PLASTIC WHEELS 31 4550 55 60mm Radial IM PLASTIC WHEELS 3035mm $197 4045mm $223 50mm $24855mm $272 60mm $29765mm $322 TETTRA SPARE TIRES$221 specify size & type MKFUELTANKS 450cc 15 ozSLIM$196 400cc133ozSLIM . $169 360cc 12 oz ROUND. $138 300cclOozROUND. $138 360cc 12 ozOVAL$138 320cc 107 ozOVAL.. $138 IMlOOOcc $392 TOOLS 8 ACCESS. TETTRA TUBING BENDER $476 NIWA TOOL KIT $895 TETTRA GLOW PLUG WRENCH$430 IM ENGINE TEST BENCH $428 IM STAND FOR BENCH $2673 MK WIRE BENDER$775 MSK TRANSMITTER CASE $2800 HATORI HEADERS AND PIPES #601 10cc PIPE$ 3423 #401 75cc PIPE$ 2995 Headers fit YS OS Enya Webbra OPS 8 Rossi RETRACTS e parts available MK S60 S40 NOSE$ 1733 MAINS$ 2450 Shipping handling orders up $2000 add $196 $2001 $6000 add $350 over $5000 add $500 Except Kits oversized add $700 angina orders add $300 California residenta must add 6A% sales tax VISA MasterCard Sc cepted Add $190 COD International orders welcoma additional shipping charges will ba applied Send $100 Catalog information San Francisco see products San Antonio Hobby Shop 9411278 Alameda Hobbycraft 415 5233980 RIC GOLDEN GATE HOBBIES PO Box 4412 Burlingame CA 94010 10 am 6 pm PST April 1985 47 said have mufflerbut commercial Unknown competitor made muffler organge juice can after tuned pipe Curare failed Wed like about Did work well Monday thru Friday 415-4673170 technique Dave premier Pattern flier taught following method several years ago After can get engine idle least five seconds before dying retard throttle high speed idle position pinch squeeze off fuel line engine quits sooner before its too lean runs longer its too rich Either way adjust idle mix ture screw needle valve accordingly CCW richen CW lean out adjust main needle Care should taken keep fingers and/or screwdrivers away prop also make minute adjustments never eighth turn time After adjustment keep checking progress make sure youre going right direction ensure havent gone too far satisfied readjust final idle position via throttle trim linkageor using idle stop carbto attain minimum reliable idle speed Thats key course understand what ing go about methodical manner Next month will conclude series discussion glow plugs props fuel care engine RC Aerobatics/Van Putte Continued page 47 tions provided alternative form competition traditional upwind downwind style Unfortunately Howard went say Finally writer Mowrey R VP ought reassured people care what thinks However believe should take time analyze F3A should flown before condemns may time far off RC Aerobatics will flown way Well certainly hope although understand rule proposal fly Turnaround classes competi tion Unfortunately always some people think its necessary junk what have order start something new Turnaround Pattern competition always available anyone wants compete rule bcok states competitors class may compete Turn around Contest Directors force competitors chcose between nor mal class Turnaround because allow ing compete both would either make contest too long cut number rounds flown course fliers normally fly Expert Masters usually win Turnaround tco thats probably what brought about new rules proposal have classes Turnaround Theres another topic reason Jim White called first place claims really arent lot RC Pattern fliers country got information dont know claims about 2500 Pattern fliers competed 1984 Fur ther less 150 contests average contest attendance about 20 Hows grab course theres way confirm claims AMA receives contest reports Contest Directors shouldnt take enormous effort go through reports analyze statistics hes right half members AMA RC fliers about 50000 about 5% RC fliers competed Pattern least once last year Thats small number people expend much time effort money know its strange thing Pattern competitor say think bears lcoking way believe five contests competed last year average 25 conI received letter Mark Corbett Route #2 Box 80-A Waxhaw NC 28173 regarding Pattern proposal called Super Seven letter part said Super Seven one-day Saturday Pattern meet would reduce time involved thus avoiding unnecessary motel fcod fuel costs well problems delayed Sunday fliers As its name reveals Super Seven provides seven-minute flight seven maneuvers everyone takeoff landing would count Expert above would perform touchand-go rest schedule could aligned suite AMA Contest Direc tor holding meet Turnaround-style pattern could use same type format Super Seven could flown Sundayperhaps pro-class event favor Turnaround can afford have spoken re garding idea Mark went say feel change needed believe would instill new life Pattern flying have personally flown models 22 years Pattern eight Masters class six eight cannot attend Pattern meets because time expense time has come really turnaround lcok ultimate goal Any response Super Seven proposal would appreciated Im sure Mark will get lot pro con responses us have drive long distance contests averaged 265 miles five contests last year would probably rather stay two days can afford time can appreciate reasoning one-day contest like describes Let him hear Id like congratulate Steve Rojecki publicly winning Tournament Champions Steve member club April 1985 143 testants Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used 25% Lighter Sandable Carveable Excellent Gap Filling Non-Sagging Superior Strength Sands Carves like Basswood! Sf1 ozl Equal over 8 wt oz regular epoxys See dealer first write call Model Magic Filler 0 0 S 0 W4PO Box 19784 St Paul MN 551190 715425-13970 MODEL MAGIC PRODUCTS Comparison Chart Model Magic Product X Adhesion BalsaExcellent Foam Fiberglass Strength Flexing Spreading Fuel ResistanceGood Sanding Ax med balsa Hardness Ax hard balsa FinishingAny finishicovering Shelf Life used up Tint AcceptanceExcellent water ResistExcellent Text methods data available request care enough fill very best very Poorinsist Model Magic Filler Circus Magic Filler Soft balsa Soft balsa 5-7 mo very Poor Eglin Aero Modelers know hard practiced prepare contest often practiced too dark fly comfortably fact often arrived just packing up leave Great job Steve Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Scale/Wischers Continued page 49 Standard J-l Fairchild FC-1 FC-2 FC-2W Consolidated-Vultee Catalina PRY-SA Cessna T-50 Bobcat new book contains 14 drawing sheets 195 photos Well-known modelers contributed books contents George Clapp Nats contestant countrys expert Fairchild air planes Col John deVries writer Scale column RCM magazine Paul Matt has published Album series volume 17 $10 postpaid Historical Aviation Album PO Box 33 Temple City CA 91780 Also available time writing limited supply back issues Album Send SASE above address list 114 enlarged three-view drawings published Album elsewhere Paul Matt have built five models using drawings contained Albums over period 18 years Metal-like finish Duplicating surface texture detail metal prototype challenge Scale modelers current World Champion David Masterton covered deHavilland Drover Trimotor 0035 aluminum alloy sheet metal specially rolled thickness hardness would permit handling damage Underneath alumi num skin standard balsa wood airplane individual piece alumi num embossed reverse side indentations form simulated rivets parts contactcemented balsa structure after forming fit shape model painted several other models LeBourget finished metal over balsa complete ly all-metal miniature copy French Cricket Very few modelers have necessary skill tools required produce such masterpiece metal Most us would search another method simulate metal-clad airplane Requests infor mation subject never seem end letters verbally though described system column about five years ago No doubt other methods possibly better repeated elaborations models structure given usual treatment sandpaper Glue joints stand above surrounding surfaces must taken down carefully using sanding block avoid removing balsa adjacent joint Any such ridge high point will plainly visible finished surface removed initially pronounced ridges strip-planked fuselage Cyanoacrylate CyA glues will harden balsa near joint joints arent really difficult sand smooth using block back up sandpaper trick sand joint avoid pressure softer balsa side Fiberglass cloth 3/ ounce per square yard lighter base material simulated metal finish impregnated polyester finishing resin such Sig K&B Heavier resin used boat building auto body repair too heavy purpose difficult sand adds unncessary weight Polyester resin will harden over doped surface should used over bare balsa glass cloth cut size slightly larger area covered fuselage can usually covered two pieces side small overlap along top bottom centerlines cloth follows compound curves nose tail very easily laid dry over balsa resin applied through cloth stiff-bristled brush Stiff bristles help move resin along thin layer laid down An expensive tinners acid flux brush ideal NI STARTER revolutionary concep model engines uxed boats cars airplanes NI STARTERITMI uses HeadiockiTMi adapter locks onto glow plugs start engine Fits pocket comes CI1O charger has LED lights up charging Rechargeable hundreds times gives over 50 consecutive starts recharging Available charger Send ad along prepayment receive free shipping handling $2495 Charger NI-STARTER $2495 charger ii iov 220V 1 2V fast chargeri NI-STARTER $1595 charger Chargers$1295 charger ii iov 220v 12V fast chargeri PLEASE SPECIFY WHICH CHARGER WHEN ORDERING 12421 RANSOM DRIVE GLENN DALE MD 20769301 464-2260 L Super sport flier turnaround pattern Balsa & ply construcelon 70 span 927 sq area 139w 7A -8A lbs 75-12culn Dealer Inquiry Invited Cleveland Ave SW Canfon OH 44707 Send $1 Catalog 846810 ROUSH MFG 144 Model Aviation $595 Sf1 ozi Fillets Filling Repair RA MFG OF NI-STAITEE
Edition: Model Aviation - 1985/04
Page Numbers: 46, 47, 143, 144
Radio Contml Sport & Aerobatics Ron Van Putte DONNYBROOK week ago copy February issue popular magazine exclusively about Radio Control caine hands Okay subscribe Radio Control Modeler peacefully settled down read came across column well-known au thor always flies weekends never Saturday Sunday Flier Very soon author Ken Willard got subject flying wind looked forward what hed say because its favorite subjects hes favorite writers years Suddenly recognized quote out November 1984 column written may have heard about danger ous downwind turn downwindturn 1800 turn started airplane heading downwind Ken point ed out hed heard flight instructors say 50 years wind turn opposite what Id describedand 1980 FAA Flight Training Handbook agrees asked readers input gleefully anticipating donnybrook looked forward because Im just gonna referee Now what would you challenged print bestknown well-respected writers RC flying First got angrythen decidedto get revenge before got revenge objectively reviewed what Id written decided right Lets see want go left make left turn Similarly want go right make right turn So makes sense want go downwind make downwind turn come Ive refer ring 1800 turn downwind heading downwind turn last 30 yars have doing consistently knowsand importantly cares So description what consti tutes downwind turn bothers just change labels two figures November issue figures correct since wind direction shown Now back previous point Ken Willard asked comments could act referee donnybrook What no donnybrook What people sent Ken Willard postcards said right about downwind turn Ken Van Putte agrees No donnybrookand would revenge way some authors try create controversy act material columns Its validbut kind cheapway get column material creative juices 46 Model Aviation Daniel Phillips Reston VA calls biplane Hobo because Its travels won RCM Design Contest May 1966 George Yell Utica NY started its construction Juiy 1966 quit hobby sold model passed hand-to-hand until Dan got use parts/wood source removed ragged covering decided worth salvaging rebuilt itand did nice job tool Wingspan 1s48 weight 187 lb originally powered NB 61 PDP Later OS FS 61 four-cycle added Nat Penton Lake Charles LA displays Sorta Dalotel design built Masterclass filer Norm Whittie sold Nat just before transfer overseas USAF dry up often never Well once y interesting telephone call Jim White Great Bend KS referred two Soapbox inputs first Jim Mowrey reprinted Turbulent Tissue newsletter Model Aircraft Association Central Kansas Soapbox input published November 1984 issue Model Aviation under title Foe RC Turnaround Pattern second Soapbox Howard Crispin Jr president Unified Scale Pattern Judges Association AMA District IV vice-president re sponse Mowreys input published February 1985 issue Model Aviation read both inputs published got both out reread after receiving Whites tele phone call Basically Mowrey taking exception what appeared atti tude proponents Turnaround ignor ing opposition also claimed Turnaround pure boredom Crispins response Mowrey must have seen Turnaround contest under F3A rules some contests call event Turnaround isnt run according rules went point out three things make break F3A event wont quote what wrote refer original article However ilutshell said event needs suitable airplane disci plined pilot trained judges agree Howard points up through part response should have stop ped think shot himself foot went say no place FAI Sporting Code states F3A spectator sport can take fashion choose fact remains entire purpose present F3A flown US develop fliers able compete World Championships Well no wonder people like Mowrey opposed attitude people belong inner circle dont claim proponent Turnaround thought reason being promoted because exciting event different kinds airplane/engine combina Continued page 143 44 4C e *0 s@ S WE NEED DEALERS! KITS ATLANTA 60$22275 OMEGA 60$20588 SIGMA 1160$24550 ACRO STAR 60$16315 QUATRO 40$15061 EXCEED 40$15188 HARDWARE IM SERVO MOUNTS.. $164 IM CAM LOCKS $149 MK CONTROL HORNS. $ 88 DIGICON HORNS $105 DIGICON TUBES IN TUBES operation flaps. DIGICON HINGES 12. $161 TETTRA AIR FILTERS 7912orl4mm$277 ISHIPLA FUEL FILTERS. $200 ISHIPLA PUSH RODS. $130 PULL-PULL HARDWARE $346 PULL-PULL HORN $ 74 WHEELS IpriCes wheel TETTRA SUPER WHEELS.. $513 50 55 60mm type R V U MK ALUMINUM WHEELS. $841 52 56 60 mm Radial MI PLASTIC WHEELS 31 4550 55 60mm Radial IM PLASTIC WHEELS 3035mm $197 4045mm $223 50mm $24855mm $272 60mm $29765mm $322 TETTRA SPARE TIRES$221 specify size & type MKFUELTANKS 450cc 15 ozSLIM$196 400cc133ozSLIM . $169 360cc 12 oz ROUND. $138 300cclOozROUND. $138 360cc 12 ozOVAL$138 320cc 107 ozOVAL.. $138 IMlOOOcc $392 TOOLS 8 ACCESS. TETTRA TUBING BENDER $476 NIWA TOOL KIT $895 TETTRA GLOW PLUG WRENCH$430 IM ENGINE TEST BENCH $428 IM STAND FOR BENCH $2673 MK WIRE BENDER$775 MSK TRANSMITTER CASE $2800 HATORI HEADERS AND PIPES #601 10cc PIPE$ 3423 #401 75cc PIPE$ 2995 Headers fit YS OS Enya Webbra OPS 8 Rossi RETRACTS e parts available MK S60 S40 NOSE$ 1733 MAINS$ 2450 Shipping handling orders up $2000 add $196 $2001 $6000 add $350 over $5000 add $500 Except Kits oversized add $700 angina orders add $300 California residenta must add 6A% sales tax VISA MasterCard Sc cepted Add $190 COD International orders welcoma additional shipping charges will ba applied Send $100 Catalog information San Francisco see products San Antonio Hobby Shop 9411278 Alameda Hobbycraft 415 5233980 RIC GOLDEN GATE HOBBIES PO Box 4412 Burlingame CA 94010 10 am 6 pm PST April 1985 47 said have mufflerbut commercial Unknown competitor made muffler organge juice can after tuned pipe Curare failed Wed like about Did work well Monday thru Friday 415-4673170 technique Dave premier Pattern flier taught following method several years ago After can get engine idle least five seconds before dying retard throttle high speed idle position pinch squeeze off fuel line engine quits sooner before its too lean runs longer its too rich Either way adjust idle mix ture screw needle valve accordingly CCW richen CW lean out adjust main needle Care should taken keep fingers and/or screwdrivers away prop also make minute adjustments never eighth turn time After adjustment keep checking progress make sure youre going right direction ensure havent gone too far satisfied readjust final idle position via throttle trim linkageor using idle stop carbto attain minimum reliable idle speed Thats key course understand what ing go about methodical manner Next month will conclude series discussion glow plugs props fuel care engine RC Aerobatics/Van Putte Continued page 47 tions provided alternative form competition traditional upwind downwind style Unfortunately Howard went say Finally writer Mowrey R VP ought reassured people care what thinks However believe should take time analyze F3A should flown before condemns may time far off RC Aerobatics will flown way Well certainly hope although understand rule proposal fly Turnaround classes competi tion Unfortunately always some people think its necessary junk what have order start something new Turnaround Pattern competition always available anyone wants compete rule bcok states competitors class may compete Turn around Contest Directors force competitors chcose between nor mal class Turnaround because allow ing compete both would either make contest too long cut number rounds flown course fliers normally fly Expert Masters usually win Turnaround tco thats probably what brought about new rules proposal have classes Turnaround Theres another topic reason Jim White called first place claims really arent lot RC Pattern fliers country got information dont know claims about 2500 Pattern fliers competed 1984 Fur ther less 150 contests average contest attendance about 20 Hows grab course theres way confirm claims AMA receives contest reports Contest Directors shouldnt take enormous effort go through reports analyze statistics hes right half members AMA RC fliers about 50000 about 5% RC fliers competed Pattern least once last year Thats small number people expend much time effort money know its strange thing Pattern competitor say think bears lcoking way believe five contests competed last year average 25 conI received letter Mark Corbett Route #2 Box 80-A Waxhaw NC 28173 regarding Pattern proposal called Super Seven letter part said Super Seven one-day Saturday Pattern meet would reduce time involved thus avoiding unnecessary motel fcod fuel costs well problems delayed Sunday fliers As its name reveals Super Seven provides seven-minute flight seven maneuvers everyone takeoff landing would count Expert above would perform touchand-go rest schedule could aligned suite AMA Contest Direc tor holding meet Turnaround-style pattern could use same type format Super Seven could flown Sundayperhaps pro-class event favor Turnaround can afford have spoken re garding idea Mark went say feel change needed believe would instill new life Pattern flying have personally flown models 22 years Pattern eight Masters class six eight cannot attend Pattern meets because time expense time has come really turnaround lcok ultimate goal Any response Super Seven proposal would appreciated Im sure Mark will get lot pro con responses us have drive long distance contests averaged 265 miles five contests last year would probably rather stay two days can afford time can appreciate reasoning one-day contest like describes Let him hear Id like congratulate Steve Rojecki publicly winning Tournament Champions Steve member club April 1985 143 testants Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used 25% Lighter Sandable Carveable Excellent Gap Filling Non-Sagging Superior Strength Sands Carves like Basswood! Sf1 ozl Equal over 8 wt oz regular epoxys See dealer first write call Model Magic Filler 0 0 S 0 W4PO Box 19784 St Paul MN 551190 715425-13970 MODEL MAGIC PRODUCTS Comparison Chart Model Magic Product X Adhesion BalsaExcellent Foam Fiberglass Strength Flexing Spreading Fuel ResistanceGood Sanding Ax med balsa Hardness Ax hard balsa FinishingAny finishicovering Shelf Life used up Tint AcceptanceExcellent water ResistExcellent Text methods data available request care enough fill very best very Poorinsist Model Magic Filler Circus Magic Filler Soft balsa Soft balsa 5-7 mo very Poor Eglin Aero Modelers know hard practiced prepare contest often practiced too dark fly comfortably fact often arrived just packing up leave Great job Steve Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Scale/Wischers Continued page 49 Standard J-l Fairchild FC-1 FC-2 FC-2W Consolidated-Vultee Catalina PRY-SA Cessna T-50 Bobcat new book contains 14 drawing sheets 195 photos Well-known modelers contributed books contents George Clapp Nats contestant countrys expert Fairchild air planes Col John deVries writer Scale column RCM magazine Paul Matt has published Album series volume 17 $10 postpaid Historical Aviation Album PO Box 33 Temple City CA 91780 Also available time writing limited supply back issues Album Send SASE above address list 114 enlarged three-view drawings published Album elsewhere Paul Matt have built five models using drawings contained Albums over period 18 years Metal-like finish Duplicating surface texture detail metal prototype challenge Scale modelers current World Champion David Masterton covered deHavilland Drover Trimotor 0035 aluminum alloy sheet metal specially rolled thickness hardness would permit handling damage Underneath alumi num skin standard balsa wood airplane individual piece alumi num embossed reverse side indentations form simulated rivets parts contactcemented balsa structure after forming fit shape model painted several other models LeBourget finished metal over balsa complete ly all-metal miniature copy French Cricket Very few modelers have necessary skill tools required produce such masterpiece metal Most us would search another method simulate metal-clad airplane Requests infor mation subject never seem end letters verbally though described system column about five years ago No doubt other methods possibly better repeated elaborations models structure given usual treatment sandpaper Glue joints stand above surrounding surfaces must taken down carefully using sanding block avoid removing balsa adjacent joint Any such ridge high point will plainly visible finished surface removed initially pronounced ridges strip-planked fuselage Cyanoacrylate CyA glues will harden balsa near joint joints arent really difficult sand smooth using block back up sandpaper trick sand joint avoid pressure softer balsa side Fiberglass cloth 3/ ounce per square yard lighter base material simulated metal finish impregnated polyester finishing resin such Sig K&B Heavier resin used boat building auto body repair too heavy purpose difficult sand adds unncessary weight Polyester resin will harden over doped surface should used over bare balsa glass cloth cut size slightly larger area covered fuselage can usually covered two pieces side small overlap along top bottom centerlines cloth follows compound curves nose tail very easily laid dry over balsa resin applied through cloth stiff-bristled brush Stiff bristles help move resin along thin layer laid down An expensive tinners acid flux brush ideal NI STARTER revolutionary concep model engines uxed boats cars airplanes NI STARTERITMI uses HeadiockiTMi adapter locks onto glow plugs start engine Fits pocket comes CI1O charger has LED lights up charging Rechargeable hundreds times gives over 50 consecutive starts recharging Available charger Send ad along prepayment receive free shipping handling $2495 Charger NI-STARTER $2495 charger ii iov 220V 1 2V fast chargeri NI-STARTER $1595 charger Chargers$1295 charger ii iov 220v 12V fast chargeri PLEASE SPECIFY WHICH CHARGER WHEN ORDERING 12421 RANSOM DRIVE GLENN DALE MD 20769301 464-2260 L Super sport flier turnaround pattern Balsa & ply construcelon 70 span 927 sq area 139w 7A -8A lbs 75-12culn Dealer Inquiry Invited Cleveland Ave SW Canfon OH 44707 Send $1 Catalog 846810 ROUSH MFG 144 Model Aviation $595 Sf1 ozi Fillets Filling Repair RA MFG OF NI-STAITEE
Edition: Model Aviation - 1985/04
Page Numbers: 46, 47, 143, 144
Radio Contml Sport & Aerobatics Ron Van Putte DONNYBROOK week ago copy February issue popular magazine exclusively about Radio Control caine hands Okay subscribe Radio Control Modeler peacefully settled down read came across column well-known au thor always flies weekends never Saturday Sunday Flier Very soon author Ken Willard got subject flying wind looked forward what hed say because its favorite subjects hes favorite writers years Suddenly recognized quote out November 1984 column written may have heard about danger ous downwind turn downwindturn 1800 turn started airplane heading downwind Ken point ed out hed heard flight instructors say 50 years wind turn opposite what Id describedand 1980 FAA Flight Training Handbook agrees asked readers input gleefully anticipating donnybrook looked forward because Im just gonna referee Now what would you challenged print bestknown well-respected writers RC flying First got angrythen decidedto get revenge before got revenge objectively reviewed what Id written decided right Lets see want go left make left turn Similarly want go right make right turn So makes sense want go downwind make downwind turn come Ive refer ring 1800 turn downwind heading downwind turn last 30 yars have doing consistently knowsand importantly cares So description what consti tutes downwind turn bothers just change labels two figures November issue figures correct since wind direction shown Now back previous point Ken Willard asked comments could act referee donnybrook What no donnybrook What people sent Ken Willard postcards said right about downwind turn Ken Van Putte agrees No donnybrookand would revenge way some authors try create controversy act material columns Its validbut kind cheapway get column material creative juices 46 Model Aviation Daniel Phillips Reston VA calls biplane Hobo because Its travels won RCM Design Contest May 1966 George Yell Utica NY started its construction Juiy 1966 quit hobby sold model passed hand-to-hand until Dan got use parts/wood source removed ragged covering decided worth salvaging rebuilt itand did nice job tool Wingspan 1s48 weight 187 lb originally powered NB 61 PDP Later OS FS 61 four-cycle added Nat Penton Lake Charles LA displays Sorta Dalotel design built Masterclass filer Norm Whittie sold Nat just before transfer overseas USAF dry up often never Well once y interesting telephone call Jim White Great Bend KS referred two Soapbox inputs first Jim Mowrey reprinted Turbulent Tissue newsletter Model Aircraft Association Central Kansas Soapbox input published November 1984 issue Model Aviation under title Foe RC Turnaround Pattern second Soapbox Howard Crispin Jr president Unified Scale Pattern Judges Association AMA District IV vice-president re sponse Mowreys input published February 1985 issue Model Aviation read both inputs published got both out reread after receiving Whites tele phone call Basically Mowrey taking exception what appeared atti tude proponents Turnaround ignor ing opposition also claimed Turnaround pure boredom Crispins response Mowrey must have seen Turnaround contest under F3A rules some contests call event Turnaround isnt run according rules went point out three things make break F3A event wont quote what wrote refer original article However ilutshell said event needs suitable airplane disci plined pilot trained judges agree Howard points up through part response should have stop ped think shot himself foot went say no place FAI Sporting Code states F3A spectator sport can take fashion choose fact remains entire purpose present F3A flown US develop fliers able compete World Championships Well no wonder people like Mowrey opposed attitude people belong inner circle dont claim proponent Turnaround thought reason being promoted because exciting event different kinds airplane/engine combina Continued page 143 44 4C e *0 s@ S WE NEED DEALERS! KITS ATLANTA 60$22275 OMEGA 60$20588 SIGMA 1160$24550 ACRO STAR 60$16315 QUATRO 40$15061 EXCEED 40$15188 HARDWARE IM SERVO MOUNTS.. $164 IM CAM LOCKS $149 MK CONTROL HORNS. $ 88 DIGICON HORNS $105 DIGICON TUBES IN TUBES operation flaps. DIGICON HINGES 12. $161 TETTRA AIR FILTERS 7912orl4mm$277 ISHIPLA FUEL FILTERS. $200 ISHIPLA PUSH RODS. $130 PULL-PULL HARDWARE $346 PULL-PULL HORN $ 74 WHEELS IpriCes wheel TETTRA SUPER WHEELS.. $513 50 55 60mm type R V U MK ALUMINUM WHEELS. $841 52 56 60 mm Radial MI PLASTIC WHEELS 31 4550 55 60mm Radial IM PLASTIC WHEELS 3035mm $197 4045mm $223 50mm $24855mm $272 60mm $29765mm $322 TETTRA SPARE TIRES$221 specify size & type MKFUELTANKS 450cc 15 ozSLIM$196 400cc133ozSLIM . $169 360cc 12 oz ROUND. $138 300cclOozROUND. $138 360cc 12 ozOVAL$138 320cc 107 ozOVAL.. $138 IMlOOOcc $392 TOOLS 8 ACCESS. TETTRA TUBING BENDER $476 NIWA TOOL KIT $895 TETTRA GLOW PLUG WRENCH$430 IM ENGINE TEST BENCH $428 IM STAND FOR BENCH $2673 MK WIRE BENDER$775 MSK TRANSMITTER CASE $2800 HATORI HEADERS AND PIPES #601 10cc PIPE$ 3423 #401 75cc PIPE$ 2995 Headers fit YS OS Enya Webbra OPS 8 Rossi RETRACTS e parts available MK S60 S40 NOSE$ 1733 MAINS$ 2450 Shipping handling orders up $2000 add $196 $2001 $6000 add $350 over $5000 add $500 Except Kits oversized add $700 angina orders add $300 California residenta must add 6A% sales tax VISA MasterCard Sc cepted Add $190 COD International orders welcoma additional shipping charges will ba applied Send $100 Catalog information San Francisco see products San Antonio Hobby Shop 9411278 Alameda Hobbycraft 415 5233980 RIC GOLDEN GATE HOBBIES PO Box 4412 Burlingame CA 94010 10 am 6 pm PST April 1985 47 said have mufflerbut commercial Unknown competitor made muffler organge juice can after tuned pipe Curare failed Wed like about Did work well Monday thru Friday 415-4673170 technique Dave premier Pattern flier taught following method several years ago After can get engine idle least five seconds before dying retard throttle high speed idle position pinch squeeze off fuel line engine quits sooner before its too lean runs longer its too rich Either way adjust idle mix ture screw needle valve accordingly CCW richen CW lean out adjust main needle Care should taken keep fingers and/or screwdrivers away prop also make minute adjustments never eighth turn time After adjustment keep checking progress make sure youre going right direction ensure havent gone too far satisfied readjust final idle position via throttle trim linkageor using idle stop carbto attain minimum reliable idle speed Thats key course understand what ing go about methodical manner Next month will conclude series discussion glow plugs props fuel care engine RC Aerobatics/Van Putte Continued page 47 tions provided alternative form competition traditional upwind downwind style Unfortunately Howard went say Finally writer Mowrey R VP ought reassured people care what thinks However believe should take time analyze F3A should flown before condemns may time far off RC Aerobatics will flown way Well certainly hope although understand rule proposal fly Turnaround classes competi tion Unfortunately always some people think its necessary junk what have order start something new Turnaround Pattern competition always available anyone wants compete rule bcok states competitors class may compete Turn around Contest Directors force competitors chcose between nor mal class Turnaround because allow ing compete both would either make contest too long cut number rounds flown course fliers normally fly Expert Masters usually win Turnaround tco thats probably what brought about new rules proposal have classes Turnaround Theres another topic reason Jim White called first place claims really arent lot RC Pattern fliers country got information dont know claims about 2500 Pattern fliers competed 1984 Fur ther less 150 contests average contest attendance about 20 Hows grab course theres way confirm claims AMA receives contest reports Contest Directors shouldnt take enormous effort go through reports analyze statistics hes right half members AMA RC fliers about 50000 about 5% RC fliers competed Pattern least once last year Thats small number people expend much time effort money know its strange thing Pattern competitor say think bears lcoking way believe five contests competed last year average 25 conI received letter Mark Corbett Route #2 Box 80-A Waxhaw NC 28173 regarding Pattern proposal called Super Seven letter part said Super Seven one-day Saturday Pattern meet would reduce time involved thus avoiding unnecessary motel fcod fuel costs well problems delayed Sunday fliers As its name reveals Super Seven provides seven-minute flight seven maneuvers everyone takeoff landing would count Expert above would perform touchand-go rest schedule could aligned suite AMA Contest Direc tor holding meet Turnaround-style pattern could use same type format Super Seven could flown Sundayperhaps pro-class event favor Turnaround can afford have spoken re garding idea Mark went say feel change needed believe would instill new life Pattern flying have personally flown models 22 years Pattern eight Masters class six eight cannot attend Pattern meets because time expense time has come really turnaround lcok ultimate goal Any response Super Seven proposal would appreciated Im sure Mark will get lot pro con responses us have drive long distance contests averaged 265 miles five contests last year would probably rather stay two days can afford time can appreciate reasoning one-day contest like describes Let him hear Id like congratulate Steve Rojecki publicly winning Tournament Champions Steve member club April 1985 143 testants Model Magic Epoxy Plus 2 Part 8 Mm Use anywhere two part epoxy used 25% Lighter Sandable Carveable Excellent Gap Filling Non-Sagging Superior Strength Sands Carves like Basswood! Sf1 ozl Equal over 8 wt oz regular epoxys See dealer first write call Model Magic Filler 0 0 S 0 W4PO Box 19784 St Paul MN 551190 715425-13970 MODEL MAGIC PRODUCTS Comparison Chart Model Magic Product X Adhesion BalsaExcellent Foam Fiberglass Strength Flexing Spreading Fuel ResistanceGood Sanding Ax med balsa Hardness Ax hard balsa FinishingAny finishicovering Shelf Life used up Tint AcceptanceExcellent water ResistExcellent Text methods data available request care enough fill very best very Poorinsist Model Magic Filler Circus Magic Filler Soft balsa Soft balsa 5-7 mo very Poor Eglin Aero Modelers know hard practiced prepare contest often practiced too dark fly comfortably fact often arrived just packing up leave Great job Steve Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Scale/Wischers Continued page 49 Standard J-l Fairchild FC-1 FC-2 FC-2W Consolidated-Vultee Catalina PRY-SA Cessna T-50 Bobcat new book contains 14 drawing sheets 195 photos Well-known modelers contributed books contents George Clapp Nats contestant countrys expert Fairchild air planes Col John deVries writer Scale column RCM magazine Paul Matt has published Album series volume 17 $10 postpaid Historical Aviation Album PO Box 33 Temple City CA 91780 Also available time writing limited supply back issues Album Send SASE above address list 114 enlarged three-view drawings published Album elsewhere Paul Matt have built five models using drawings contained Albums over period 18 years Metal-like finish Duplicating surface texture detail metal prototype challenge Scale modelers current World Champion David Masterton covered deHavilland Drover Trimotor 0035 aluminum alloy sheet metal specially rolled thickness hardness would permit handling damage Underneath alumi num skin standard balsa wood airplane individual piece alumi num embossed reverse side indentations form simulated rivets parts contactcemented balsa structure after forming fit shape model painted several other models LeBourget finished metal over balsa complete ly all-metal miniature copy French Cricket Very few modelers have necessary skill tools required produce such masterpiece metal Most us would search another method simulate metal-clad airplane Requests infor mation subject never seem end letters verbally though described system column about five years ago No doubt other methods possibly better repeated elaborations models structure given usual treatment sandpaper Glue joints stand above surrounding surfaces must taken down carefully using sanding block avoid removing balsa adjacent joint Any such ridge high point will plainly visible finished surface removed initially pronounced ridges strip-planked fuselage Cyanoacrylate CyA glues will harden balsa near joint joints arent really difficult sand smooth using block back up sandpaper trick sand joint avoid pressure softer balsa side Fiberglass cloth 3/ ounce per square yard lighter base material simulated metal finish impregnated polyester finishing resin such Sig K&B Heavier resin used boat building auto body repair too heavy purpose difficult sand adds unncessary weight Polyester resin will harden over doped surface should used over bare balsa glass cloth cut size slightly larger area covered fuselage can usually covered two pieces side small overlap along top bottom centerlines cloth follows compound curves nose tail very easily laid dry over balsa resin applied through cloth stiff-bristled brush Stiff bristles help move resin along thin layer laid down An expensive tinners acid flux brush ideal NI STARTER revolutionary concep model engines uxed boats cars airplanes NI STARTERITMI uses HeadiockiTMi adapter locks onto glow plugs start engine Fits pocket comes CI1O charger has LED lights up charging Rechargeable hundreds times gives over 50 consecutive starts recharging Available charger Send ad along prepayment receive free shipping handling $2495 Charger NI-STARTER $2495 charger ii iov 220V 1 2V fast chargeri NI-STARTER $1595 charger Chargers$1295 charger ii iov 220v 12V fast chargeri PLEASE SPECIFY WHICH CHARGER WHEN ORDERING 12421 RANSOM DRIVE GLENN DALE MD 20769301 464-2260 L Super sport flier turnaround pattern Balsa & ply construcelon 70 span 927 sq area 139w 7A -8A lbs 75-12culn Dealer Inquiry Invited Cleveland Ave SW Canfon OH 44707 Send $1 Catalog 846810 ROUSH MFG 144 Model Aviation $595 Sf1 ozi Fillets Filling Repair RA MFG OF NI-STAITEE