Superior HL Glider flying takes excelieni plane DUt aiso Tinely-luneD aujuslmenls Leinnique i ls powerful controlled launch picture shows Rain Crow II banked leftindicating wasnt thrown right oncoming breeze THIS DESIGN probably best-gliding HLG youve seen quite spellthat overheard comments mean anything thrown altitude subsequently displays very smooth transition glide com bination resulting continuing contest success flying Rain Crow II design refinement Rain Crow appeared August 1975 MA memory serves correctly Rain Crow II has won nine out 10 club contests held over past two years prior submission article publication HL Glider fliers Brainbusters Club now fly design significant feat plane hands Paul Altenhoff winning HL Glider event 1981 Eastern States Championships Various hardware has picked up Rain Crow II different contests trophy having won light rain figures reckon Construction Select medium-grade balsa maybe bit light side average wing tail choose quartergrain stiff balsa tail making selection balsa should also 58 Model Aviation sure straight-grained has no mushy areas fuselage little judicious splicing done need 3/16 x strip straight-grained spruce 30 long case use slow-setting epoxy secure splices available 1/20 balsa can sanded down easily 1 / 16 sanding block Actually some so-called 1/16 sheet nearer 1/20 measured Lets mention sanding block need nothing wood block about 3 wide 4 long piece sandpaper wrapped tightly around Working down wing respectable airfoil contour will test patience task can reduced consider ably making use smaller block plane shave wing blank down near its final contour Since both outboard panels wing have twist washout actually cut advisable mark trailing edge TE location twist exists mark can used reference cutting both top bottom wing blank area twist Shave wing blank down approx imate airfoil shape leaving about 1/64 still sanded off See drawing airfoils approximated Next sand wing blank contour down mediumgrade sandpaper until can no longer distinguish shave marks idea medium-grade sandpaper grit about size table salt use sanding block will cut off high areas left shaving also tends give uniform surface Next fine-grit paper sand wing until no scratches remain previous sanding Reid Null beginsthe windupforanother pOwer ful throw HL Gliders provide fun minimum investment time/money FF modeling Pictures Gene Hartmangruber Finally using extra-fine paper sand wing contour until no scratches whatsoever discernible Employ same sanding procedures tail surfaces spruce fuselage laid out outline carved sharp knife jigsaw As suggested before fuselage blank may built up 3/16 x k get required depth Trim blank until sections drawing truly representative finished fuselage sand until no scratch marks remain point cautioned make certain fuselage wing tail mounting surfaces permit precisely parallel mounting wing lower surface horizontal tail anything else will permit proper wing tail alignment fuselage finished turn attention wing view towards cutting cementing dihedral joints outboard joints should carefully cut beveled correct outboard panel dihedral angle can achieved together snug-fitting cement joint As cement use Ambroid preference available water proof doesnt get brittle few months Whatever cement choice need apply primer coat end grain joined Having primed end grain go ahead cement outboard dihedral joints being sure beveled ends precisely mated outboard panels dont end up having less twist initially cut Straight pins can used secure joint cement dries Follow same procedure joining right wing left center careful again get butt ends accurately bevel-cut can precisely mated simultaneously taking correct dihedral angle Now wing tail have sanded shape apply coat sanding sealer balsa surfaces Once sealer has thoroughly dried take piece extra-fine sandpaper sand stif fened wood fuzz bumps Continue sand until surfaces become quite smooth Finally apply two coats quite thin clear dope balsa spruce surfaces except just coat within trailing edgeso reduce possibility eventual warping dope ages wish can mix about 20% color dope clear two last coats will add little color glider wing tail now cemented fuselage finger rest spruce put bottom wing next fuselage Incidentally whatever type cement used should applied sparingly cementing horizontal tail fuselage Any large cement fillet will eventually shrink warp tail surfaces No dethermalizing scheme shOwn Several different types have described previous publications Probably best small aluminum panel having released side fuselage burning fuse swings outward thence aft coming rest against wing leading edge panel may cut soft drink can about 3/4 wide 2 long hinged its rear end near wing leading edge Youll find neces sary cant hinge line bit get panel come contact wing released should note before leaving construc tion phase others have quite bit success modification Rain Crow II wherein shorten slender tail boom little inch makes glider bit rugged no doubt Flying Add clay nose until CG balance point fuselage falls drawing shows Launch about shoulder height Grip fuselage between thumb second finger end forefinger against finger rest cemented under wing Thrust glider forward slightly downward direction little harder tossing ping-pong ball across living room glider should glide forward about 60 feet stalling does stall add weight nose necessary launch much harder toss indicated achieve 60-ft glide glider will probably dive launched altitude case too much weight probably has added nose Also marked right left turn becomes apparent glide deflect rudder enough overcome else repo sition rudder since no doubt misaligned Continued page 140 COAT L E OF WING WITH EPOXYlB HARD BALSA APPROX F RAISED TRAILING EDGE WEIGHT BALSA I6 SN MEDIUM KBOTH WING TIPS-IGHTER THAN AdO ItS 54 -i Iiz SOS THE REAR VIEW OF GLIDER I\ RAIN CROW 12TWIST SH MEDIUM DESIGNED B DRAWN BYSEEMAO VIEW GHT BALSA SPRUCE Ti ALEINCHES* GBII~3/IB02 4 9 IIB4 January 198359 High-speed camera shutter catches author mid-throw Overhand launches steep about 3O right wind best 3/1641%- BY RICKS KITS FORTHESPORTPILOT TOFLY TLOWWINGTRAINER T SLOWFLIGHTSTABILITY STSTALLPROOF FORGIVING ALSA WOOD ED rANICIDV SIZE PLANS RUOTION&PHOTO AIDS WARE MOSTPARTSMACHINECUT & FAST BUILDING OUNT ENG 5 SPAN 50 RADIO 4 ch WT lbs $6995 POST OFFICE BOX 1106 RICKS KITS WE PAY SHIPPING WITHIN USA CA RESIDENTS ADO 6% SALES TAX SANTEE CA 92071-0855 6191449-3316 GRAPHITE ULTRA-PLY Carbon laminating material strengthening types models LIGHTER THAN BALSA STRONGER THAN FIBERGLASS Send lonue 0 PO BOX 31228 Indols IN 46231 B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs tom Wing Biplane & ParasolPlans2195 EitherPartial Kit 85495 L Fall Kit 818495 Plans 82195 Both -] Partial Kit $9495 Fall Kit 819495 Travel Air 2000 105 Classic Scale Biplane Weighs 23 lbs Prans 2299Partial Kit 89850Fall Kit 819550 Travel Air 4808 88 Badial Engine ClassicBiplane 23 lbs Plans 82295Partial Kit 89995D4D Kit 821400 Pokker DVII 88German WWI FighterBiplane 23 lbs Plans 82295Partial Kit 819995 Fall Kit 20950 WACO UPF-7 gg Biplane 23 lbsPlans 82395 Sopmith Tripehoend 88 WWI Tn- 17 lbsPlans 82195 Sopwith Pap WWI BiplanePlant 82195 Quadras 22 CID89200 Shipping 8188 & Pactory Meant81000 ordering information orders shipped UPS Parcel Post Please add 8300 shippin9 plant 810 kits Make checks money orders payable Jerry Behrens fastest service sand Postal money order bank check Sorry no COD will accepted Send wail ders BEIIRENS PLAN SERVICE 31-27 Healy Ave. Far Rockaway NY 11591Phone 12121 337-6997 Allow 4-5 weeks delinery Bellanca cont US Navy JE-l manufacturing rights final version sold Northern Industries Ltd Edmonton Alberta Canada after World War II firm produced limited number Senior Skyrocket Model 31-55 early postwar years last gasp came 1950 design considered entry US Army competition liaison airplanes won DeHavilland Beaver become L.20 Although Bellanca Lindberghs first choice Spirit St Louis fate decreed would two weeks second airplane fly Atlantic Ocean nonstop However Bellanca first across Pacific Ocean nonstop Columbia its progeny became worlds premier long-distance planes Pacific flight made Clyde Pangborn Hugh Herndon Jr Miss Veedol Wasp C-i NR 796W serial No 3004 already six previous un successful attempts others before lifted off October 3 1931 Samishiro Beach 280 miles north Tokyo landed 41 hours 13 minutes later after flight 4558 miles Wanatchee WA win $25000 prize offered Tokyo Ashahi newspaper first non stop crossing Earlier 1931 July 2830 Russell Boardman John Polando set new long-distance record Cape Cod Wright J6-9 NR 761W serial No 3001 flew New York Istan bul Turkey 49 hours 20 minutes distance 5012 miles Transatlantic flights almost become commonplace 1931 1-4 successful nonstop cross ings spirit Otto Hillig Holger Hoiriis flew Newfoundland Krefeldt Germany June 1931 said just wanted visit home lands some pig knuckles sauerkraut beer plane called Liberty Wright J6-9 NR 797W Bellanca serial No 3003 Among other longdistance Bellancas Leonardo da Vinci American Nurse Pathfinder Lithuanica Warsaw addition its successes setting flight records efficiency long distances Bellancas design commercial success Over 200 CH J Pacemaker Skyrocket series variants produced Bellanca Aircraft Corporation New Castle Delaware decade 1927 1937 Today five left US Civil Aircraft Register Pacemakers Skyrockets live countless memories knew flew Rain Crow/Hull Continued page 59 After glider balanced trimmed long smooth glide possibly almost imaginary bit left turn has observed advance next stage flight adjustingthat launching modest altitude bank glider right wing tip about 6 lower left launch enough right oncoming breeze prevent violent stall launching speed tapers off should about half fullpower launch glider should instance make about half full circle gaining altitude way reach height about 20 ft should slowly drop its nose go smooth glide circle cautioned base judge ment performance observe during several flights since air currents may vary flight flight Based sort observance ever-tightening left glide circles seem regularly occur add bit right rudder opening-up glide circle abot 100 ft diameter use rudder doesnt cure tightening-up ultimately diving tendency will necessary lower leading edge LE hori zontal tail very small amount Accomplish softening tails cement joint about nserting cement-coated spruce wedge no 1/32 its thickest end Ambroid has used cement tail fuselage -it can softened acetone white glue has used can softened water will cause tail warpa catastrophe course can 140 Model Aviation J ETTRON GIANT SCALE & SPORT PLAN SETS KITS & QUADRAS order contains concise construction mental Partial kits include precut wing ribs fuselage formers prebent landing gear Full kits include everynhing aboee plus strip wood necessary hardware assembled landing gear cabana struts fiberglass cowl wheelpants required already have plan sets may deduct 81000 prices partial full kits listed below Travel Air D 4000 cut tail loose will difficult cement joint has really hardened Once satisfactory flight characteristics obtained 20-ft launches try harder ones less bank should steeper too approaching 450 inclination Also overhand launch will work out better youll find respectable transition launch glide phase still possible little trimming spite launching right oncoming breeze rather straight witness violent stall loop peak launch add bit weight left wing tip and/or lower TE horizontal tail about 1/64 cementing tiny wedge between fuselage either case bit corrective right rudder may necessary prevent spiral dive will need miniscule Small rudder changes can facilitated dampening TE area side opposite direction TE deflected Incidentally lips become very convenient dampening tail surfaces becomes desirable fairly hard launch seems yielding nearly flawless performance go ahead try vicious hard launch trying almost purely overhead steep launch about 300 right oncoming breeze will nothing short lucky first really hard launch yields flawless flight perfect flight takes lot practice often some fine-trimming rudder de flections tiny nearly invisible following as-hard-as-you-pos sibly-can launches glider just seems stall modestly try bending TE horizontal tail up bit will cause glider keep right screaming Immelmann sort launch slipping right rather stalling end have found near-overhand launch yields consistency prime prerequisite flying competi tion Speaking competition nearly im possible compete effectively sort threat cant put glider thermal balmy air official flight Learn become aware presence thermal almost certainly hand note tiny rise temperature calm spell breezy day want avoid thermals youll find boomers mighty scarce two hours daylight remain day Well happy thermal chasing keep em flyinRain Crows CL Speed/Hempel Continued page 66 point class would limited engine side-exhaust McCoy 60 really engine used class D Speed during late Forties Fifties early Sixties Also included photo Harold deBolt attempting FAI rise-otT-water speed record Plymouth Internats Hal used McCoy 60 power Keep up good work Nor AVIONIUS INC ACCUETACH 1 LCITAL2 FULL2 QUICK YoU get contIfluOiDete theMONITOR TACHOME VOLTMEateof afely peak terY ate RPM accurruchar orarge bY dual scale 1cycleMakes 055ible Idlme oUt select topend adjuS nt baeri Check ort pack fast ch vOW outl withwa ching tiny built~J5t TXR age drop 5ignals 131ty iOX capa Quali preci tery combo5full charge ty sion electronic ORDER YOURS NOW 79 Plaid Send check money order no CODs NorCai AVIONiCS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/0 tax Add $300 shipping outside continental USA Dealer Inquiries invited would like thank person took time write concerning Old Time Speed Keep cards letters photographs coming Gene Hempel 301 N Yale Dr Garlan4 TX 75042 APPLIED DESIGN CORPORATION 738 Penn Si El Segundo CA N245 MINI w SANDER ADJUSTABLE TENSION HAND BELT SAIIDER FIRMLY HOLDS PAPER FOR EASIER SANDING Padded Rats nod carves Handy Neld MINI-STRIPSPIIECISION DIE-CUT Medwm Garnet SAVES TIME $135 REPLACEMENT Fine Garnet AND EFFDRT SANDING BELTS Assid Waler Proof TEE ALUMINUM EXTRUSION SANDING BLOCK Icr use RUFF-STUFF SoIt-adlieelee maod paper Laree Tree Serface WeeiWeeroet illech 04 y Uu 22 inch RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SPECIAL SANDING SHAMS drylog e Medinm Fine r Fine $ 75 MINIcsAw $610 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw has rueged dIc-cast cowleetahle chlpreef plesilc sort handle Recoding come aed ad tobIe B hindo gives access Cuts weed pleslic metal nod HARDEMED MUSIC WIRE Xtr blades-3/S1 75 Add 20% postagn Send 25C catalog January 1983 141 Part Topping 100 instruction manual Notethe two engines shown Hornet 60 top Ohlsson 23 below Other pictures showed fit almost other popular engines day 1946 it
Edition: Model Aviation - 1983/01
Page Numbers: 58, 59, 140, 141
Superior HL Glider flying takes excelieni plane DUt aiso Tinely-luneD aujuslmenls Leinnique i ls powerful controlled launch picture shows Rain Crow II banked leftindicating wasnt thrown right oncoming breeze THIS DESIGN probably best-gliding HLG youve seen quite spellthat overheard comments mean anything thrown altitude subsequently displays very smooth transition glide com bination resulting continuing contest success flying Rain Crow II design refinement Rain Crow appeared August 1975 MA memory serves correctly Rain Crow II has won nine out 10 club contests held over past two years prior submission article publication HL Glider fliers Brainbusters Club now fly design significant feat plane hands Paul Altenhoff winning HL Glider event 1981 Eastern States Championships Various hardware has picked up Rain Crow II different contests trophy having won light rain figures reckon Construction Select medium-grade balsa maybe bit light side average wing tail choose quartergrain stiff balsa tail making selection balsa should also 58 Model Aviation sure straight-grained has no mushy areas fuselage little judicious splicing done need 3/16 x strip straight-grained spruce 30 long case use slow-setting epoxy secure splices available 1/20 balsa can sanded down easily 1 / 16 sanding block Actually some so-called 1/16 sheet nearer 1/20 measured Lets mention sanding block need nothing wood block about 3 wide 4 long piece sandpaper wrapped tightly around Working down wing respectable airfoil contour will test patience task can reduced consider ably making use smaller block plane shave wing blank down near its final contour Since both outboard panels wing have twist washout actually cut advisable mark trailing edge TE location twist exists mark can used reference cutting both top bottom wing blank area twist Shave wing blank down approx imate airfoil shape leaving about 1/64 still sanded off See drawing airfoils approximated Next sand wing blank contour down mediumgrade sandpaper until can no longer distinguish shave marks idea medium-grade sandpaper grit about size table salt use sanding block will cut off high areas left shaving also tends give uniform surface Next fine-grit paper sand wing until no scratches remain previous sanding Reid Null beginsthe windupforanother pOwer ful throw HL Gliders provide fun minimum investment time/money FF modeling Pictures Gene Hartmangruber Finally using extra-fine paper sand wing contour until no scratches whatsoever discernible Employ same sanding procedures tail surfaces spruce fuselage laid out outline carved sharp knife jigsaw As suggested before fuselage blank may built up 3/16 x k get required depth Trim blank until sections drawing truly representative finished fuselage sand until no scratch marks remain point cautioned make certain fuselage wing tail mounting surfaces permit precisely parallel mounting wing lower surface horizontal tail anything else will permit proper wing tail alignment fuselage finished turn attention wing view towards cutting cementing dihedral joints outboard joints should carefully cut beveled correct outboard panel dihedral angle can achieved together snug-fitting cement joint As cement use Ambroid preference available water proof doesnt get brittle few months Whatever cement choice need apply primer coat end grain joined Having primed end grain go ahead cement outboard dihedral joints being sure beveled ends precisely mated outboard panels dont end up having less twist initially cut Straight pins can used secure joint cement dries Follow same procedure joining right wing left center careful again get butt ends accurately bevel-cut can precisely mated simultaneously taking correct dihedral angle Now wing tail have sanded shape apply coat sanding sealer balsa surfaces Once sealer has thoroughly dried take piece extra-fine sandpaper sand stif fened wood fuzz bumps Continue sand until surfaces become quite smooth Finally apply two coats quite thin clear dope balsa spruce surfaces except just coat within trailing edgeso reduce possibility eventual warping dope ages wish can mix about 20% color dope clear two last coats will add little color glider wing tail now cemented fuselage finger rest spruce put bottom wing next fuselage Incidentally whatever type cement used should applied sparingly cementing horizontal tail fuselage Any large cement fillet will eventually shrink warp tail surfaces No dethermalizing scheme shOwn Several different types have described previous publications Probably best small aluminum panel having released side fuselage burning fuse swings outward thence aft coming rest against wing leading edge panel may cut soft drink can about 3/4 wide 2 long hinged its rear end near wing leading edge Youll find neces sary cant hinge line bit get panel come contact wing released should note before leaving construc tion phase others have quite bit success modification Rain Crow II wherein shorten slender tail boom little inch makes glider bit rugged no doubt Flying Add clay nose until CG balance point fuselage falls drawing shows Launch about shoulder height Grip fuselage between thumb second finger end forefinger against finger rest cemented under wing Thrust glider forward slightly downward direction little harder tossing ping-pong ball across living room glider should glide forward about 60 feet stalling does stall add weight nose necessary launch much harder toss indicated achieve 60-ft glide glider will probably dive launched altitude case too much weight probably has added nose Also marked right left turn becomes apparent glide deflect rudder enough overcome else repo sition rudder since no doubt misaligned Continued page 140 COAT L E OF WING WITH EPOXYlB HARD BALSA APPROX F RAISED TRAILING EDGE WEIGHT BALSA I6 SN MEDIUM KBOTH WING TIPS-IGHTER THAN AdO ItS 54 -i Iiz SOS THE REAR VIEW OF GLIDER I\ RAIN CROW 12TWIST SH MEDIUM DESIGNED B DRAWN BYSEEMAO VIEW GHT BALSA SPRUCE Ti ALEINCHES* GBII~3/IB02 4 9 IIB4 January 198359 High-speed camera shutter catches author mid-throw Overhand launches steep about 3O right wind best 3/1641%- BY RICKS KITS FORTHESPORTPILOT TOFLY TLOWWINGTRAINER T SLOWFLIGHTSTABILITY STSTALLPROOF FORGIVING ALSA WOOD ED rANICIDV SIZE PLANS RUOTION&PHOTO AIDS WARE MOSTPARTSMACHINECUT & FAST BUILDING OUNT ENG 5 SPAN 50 RADIO 4 ch WT lbs $6995 POST OFFICE BOX 1106 RICKS KITS WE PAY SHIPPING WITHIN USA CA RESIDENTS ADO 6% SALES TAX SANTEE CA 92071-0855 6191449-3316 GRAPHITE ULTRA-PLY Carbon laminating material strengthening types models LIGHTER THAN BALSA STRONGER THAN FIBERGLASS Send lonue 0 PO BOX 31228 Indols IN 46231 B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs tom Wing Biplane & ParasolPlans2195 EitherPartial Kit 85495 L Fall Kit 818495 Plans 82195 Both -] Partial Kit $9495 Fall Kit 819495 Travel Air 2000 105 Classic Scale Biplane Weighs 23 lbs Prans 2299Partial Kit 89850Fall Kit 819550 Travel Air 4808 88 Badial Engine ClassicBiplane 23 lbs Plans 82295Partial Kit 89995D4D Kit 821400 Pokker DVII 88German WWI FighterBiplane 23 lbs Plans 82295Partial Kit 819995 Fall Kit 20950 WACO UPF-7 gg Biplane 23 lbsPlans 82395 Sopmith Tripehoend 88 WWI Tn- 17 lbsPlans 82195 Sopwith Pap WWI BiplanePlant 82195 Quadras 22 CID89200 Shipping 8188 & Pactory Meant81000 ordering information orders shipped UPS Parcel Post Please add 8300 shippin9 plant 810 kits Make checks money orders payable Jerry Behrens fastest service sand Postal money order bank check Sorry no COD will accepted Send wail ders BEIIRENS PLAN SERVICE 31-27 Healy Ave. Far Rockaway NY 11591Phone 12121 337-6997 Allow 4-5 weeks delinery Bellanca cont US Navy JE-l manufacturing rights final version sold Northern Industries Ltd Edmonton Alberta Canada after World War II firm produced limited number Senior Skyrocket Model 31-55 early postwar years last gasp came 1950 design considered entry US Army competition liaison airplanes won DeHavilland Beaver become L.20 Although Bellanca Lindberghs first choice Spirit St Louis fate decreed would two weeks second airplane fly Atlantic Ocean nonstop However Bellanca first across Pacific Ocean nonstop Columbia its progeny became worlds premier long-distance planes Pacific flight made Clyde Pangborn Hugh Herndon Jr Miss Veedol Wasp C-i NR 796W serial No 3004 already six previous un successful attempts others before lifted off October 3 1931 Samishiro Beach 280 miles north Tokyo landed 41 hours 13 minutes later after flight 4558 miles Wanatchee WA win $25000 prize offered Tokyo Ashahi newspaper first non stop crossing Earlier 1931 July 2830 Russell Boardman John Polando set new long-distance record Cape Cod Wright J6-9 NR 761W serial No 3001 flew New York Istan bul Turkey 49 hours 20 minutes distance 5012 miles Transatlantic flights almost become commonplace 1931 1-4 successful nonstop cross ings spirit Otto Hillig Holger Hoiriis flew Newfoundland Krefeldt Germany June 1931 said just wanted visit home lands some pig knuckles sauerkraut beer plane called Liberty Wright J6-9 NR 797W Bellanca serial No 3003 Among other longdistance Bellancas Leonardo da Vinci American Nurse Pathfinder Lithuanica Warsaw addition its successes setting flight records efficiency long distances Bellancas design commercial success Over 200 CH J Pacemaker Skyrocket series variants produced Bellanca Aircraft Corporation New Castle Delaware decade 1927 1937 Today five left US Civil Aircraft Register Pacemakers Skyrockets live countless memories knew flew Rain Crow/Hull Continued page 59 After glider balanced trimmed long smooth glide possibly almost imaginary bit left turn has observed advance next stage flight adjustingthat launching modest altitude bank glider right wing tip about 6 lower left launch enough right oncoming breeze prevent violent stall launching speed tapers off should about half fullpower launch glider should instance make about half full circle gaining altitude way reach height about 20 ft should slowly drop its nose go smooth glide circle cautioned base judge ment performance observe during several flights since air currents may vary flight flight Based sort observance ever-tightening left glide circles seem regularly occur add bit right rudder opening-up glide circle abot 100 ft diameter use rudder doesnt cure tightening-up ultimately diving tendency will necessary lower leading edge LE hori zontal tail very small amount Accomplish softening tails cement joint about nserting cement-coated spruce wedge no 1/32 its thickest end Ambroid has used cement tail fuselage -it can softened acetone white glue has used can softened water will cause tail warpa catastrophe course can 140 Model Aviation J ETTRON GIANT SCALE & SPORT PLAN SETS KITS & QUADRAS order contains concise construction mental Partial kits include precut wing ribs fuselage formers prebent landing gear Full kits include everynhing aboee plus strip wood necessary hardware assembled landing gear cabana struts fiberglass cowl wheelpants required already have plan sets may deduct 81000 prices partial full kits listed below Travel Air D 4000 cut tail loose will difficult cement joint has really hardened Once satisfactory flight characteristics obtained 20-ft launches try harder ones less bank should steeper too approaching 450 inclination Also overhand launch will work out better youll find respectable transition launch glide phase still possible little trimming spite launching right oncoming breeze rather straight witness violent stall loop peak launch add bit weight left wing tip and/or lower TE horizontal tail about 1/64 cementing tiny wedge between fuselage either case bit corrective right rudder may necessary prevent spiral dive will need miniscule Small rudder changes can facilitated dampening TE area side opposite direction TE deflected Incidentally lips become very convenient dampening tail surfaces becomes desirable fairly hard launch seems yielding nearly flawless performance go ahead try vicious hard launch trying almost purely overhead steep launch about 300 right oncoming breeze will nothing short lucky first really hard launch yields flawless flight perfect flight takes lot practice often some fine-trimming rudder de flections tiny nearly invisible following as-hard-as-you-pos sibly-can launches glider just seems stall modestly try bending TE horizontal tail up bit will cause glider keep right screaming Immelmann sort launch slipping right rather stalling end have found near-overhand launch yields consistency prime prerequisite flying competi tion Speaking competition nearly im possible compete effectively sort threat cant put glider thermal balmy air official flight Learn become aware presence thermal almost certainly hand note tiny rise temperature calm spell breezy day want avoid thermals youll find boomers mighty scarce two hours daylight remain day Well happy thermal chasing keep em flyinRain Crows CL Speed/Hempel Continued page 66 point class would limited engine side-exhaust McCoy 60 really engine used class D Speed during late Forties Fifties early Sixties Also included photo Harold deBolt attempting FAI rise-otT-water speed record Plymouth Internats Hal used McCoy 60 power Keep up good work Nor AVIONIUS INC ACCUETACH 1 LCITAL2 FULL2 QUICK YoU get contIfluOiDete theMONITOR TACHOME VOLTMEateof afely peak terY ate RPM accurruchar orarge bY dual scale 1cycleMakes 055ible Idlme oUt select topend adjuS nt baeri Check ort pack fast ch vOW outl withwa ching tiny built~J5t TXR age drop 5ignals 131ty iOX capa Quali preci tery combo5full charge ty sion electronic ORDER YOURS NOW 79 Plaid Send check money order no CODs NorCai AVIONiCS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/0 tax Add $300 shipping outside continental USA Dealer Inquiries invited would like thank person took time write concerning Old Time Speed Keep cards letters photographs coming Gene Hempel 301 N Yale Dr Garlan4 TX 75042 APPLIED DESIGN CORPORATION 738 Penn Si El Segundo CA N245 MINI w SANDER ADJUSTABLE TENSION HAND BELT SAIIDER FIRMLY HOLDS PAPER FOR EASIER SANDING Padded Rats nod carves Handy Neld MINI-STRIPSPIIECISION DIE-CUT Medwm Garnet SAVES TIME $135 REPLACEMENT Fine Garnet AND EFFDRT SANDING BELTS Assid Waler Proof TEE ALUMINUM EXTRUSION SANDING BLOCK Icr use RUFF-STUFF SoIt-adlieelee maod paper Laree Tree Serface WeeiWeeroet illech 04 y Uu 22 inch RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SPECIAL SANDING SHAMS drylog e Medinm Fine r Fine $ 75 MINIcsAw $610 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw has rueged dIc-cast cowleetahle chlpreef plesilc sort handle Recoding come aed ad tobIe B hindo gives access Cuts weed pleslic metal nod HARDEMED MUSIC WIRE Xtr blades-3/S1 75 Add 20% postagn Send 25C catalog January 1983 141 Part Topping 100 instruction manual Notethe two engines shown Hornet 60 top Ohlsson 23 below Other pictures showed fit almost other popular engines day 1946 it
Edition: Model Aviation - 1983/01
Page Numbers: 58, 59, 140, 141
Superior HL Glider flying takes excelieni plane DUt aiso Tinely-luneD aujuslmenls Leinnique i ls powerful controlled launch picture shows Rain Crow II banked leftindicating wasnt thrown right oncoming breeze THIS DESIGN probably best-gliding HLG youve seen quite spellthat overheard comments mean anything thrown altitude subsequently displays very smooth transition glide com bination resulting continuing contest success flying Rain Crow II design refinement Rain Crow appeared August 1975 MA memory serves correctly Rain Crow II has won nine out 10 club contests held over past two years prior submission article publication HL Glider fliers Brainbusters Club now fly design significant feat plane hands Paul Altenhoff winning HL Glider event 1981 Eastern States Championships Various hardware has picked up Rain Crow II different contests trophy having won light rain figures reckon Construction Select medium-grade balsa maybe bit light side average wing tail choose quartergrain stiff balsa tail making selection balsa should also 58 Model Aviation sure straight-grained has no mushy areas fuselage little judicious splicing done need 3/16 x strip straight-grained spruce 30 long case use slow-setting epoxy secure splices available 1/20 balsa can sanded down easily 1 / 16 sanding block Actually some so-called 1/16 sheet nearer 1/20 measured Lets mention sanding block need nothing wood block about 3 wide 4 long piece sandpaper wrapped tightly around Working down wing respectable airfoil contour will test patience task can reduced consider ably making use smaller block plane shave wing blank down near its final contour Since both outboard panels wing have twist washout actually cut advisable mark trailing edge TE location twist exists mark can used reference cutting both top bottom wing blank area twist Shave wing blank down approx imate airfoil shape leaving about 1/64 still sanded off See drawing airfoils approximated Next sand wing blank contour down mediumgrade sandpaper until can no longer distinguish shave marks idea medium-grade sandpaper grit about size table salt use sanding block will cut off high areas left shaving also tends give uniform surface Next fine-grit paper sand wing until no scratches remain previous sanding Reid Null beginsthe windupforanother pOwer ful throw HL Gliders provide fun minimum investment time/money FF modeling Pictures Gene Hartmangruber Finally using extra-fine paper sand wing contour until no scratches whatsoever discernible Employ same sanding procedures tail surfaces spruce fuselage laid out outline carved sharp knife jigsaw As suggested before fuselage blank may built up 3/16 x k get required depth Trim blank until sections drawing truly representative finished fuselage sand until no scratch marks remain point cautioned make certain fuselage wing tail mounting surfaces permit precisely parallel mounting wing lower surface horizontal tail anything else will permit proper wing tail alignment fuselage finished turn attention wing view towards cutting cementing dihedral joints outboard joints should carefully cut beveled correct outboard panel dihedral angle can achieved together snug-fitting cement joint As cement use Ambroid preference available water proof doesnt get brittle few months Whatever cement choice need apply primer coat end grain joined Having primed end grain go ahead cement outboard dihedral joints being sure beveled ends precisely mated outboard panels dont end up having less twist initially cut Straight pins can used secure joint cement dries Follow same procedure joining right wing left center careful again get butt ends accurately bevel-cut can precisely mated simultaneously taking correct dihedral angle Now wing tail have sanded shape apply coat sanding sealer balsa surfaces Once sealer has thoroughly dried take piece extra-fine sandpaper sand stif fened wood fuzz bumps Continue sand until surfaces become quite smooth Finally apply two coats quite thin clear dope balsa spruce surfaces except just coat within trailing edgeso reduce possibility eventual warping dope ages wish can mix about 20% color dope clear two last coats will add little color glider wing tail now cemented fuselage finger rest spruce put bottom wing next fuselage Incidentally whatever type cement used should applied sparingly cementing horizontal tail fuselage Any large cement fillet will eventually shrink warp tail surfaces No dethermalizing scheme shOwn Several different types have described previous publications Probably best small aluminum panel having released side fuselage burning fuse swings outward thence aft coming rest against wing leading edge panel may cut soft drink can about 3/4 wide 2 long hinged its rear end near wing leading edge Youll find neces sary cant hinge line bit get panel come contact wing released should note before leaving construc tion phase others have quite bit success modification Rain Crow II wherein shorten slender tail boom little inch makes glider bit rugged no doubt Flying Add clay nose until CG balance point fuselage falls drawing shows Launch about shoulder height Grip fuselage between thumb second finger end forefinger against finger rest cemented under wing Thrust glider forward slightly downward direction little harder tossing ping-pong ball across living room glider should glide forward about 60 feet stalling does stall add weight nose necessary launch much harder toss indicated achieve 60-ft glide glider will probably dive launched altitude case too much weight probably has added nose Also marked right left turn becomes apparent glide deflect rudder enough overcome else repo sition rudder since no doubt misaligned Continued page 140 COAT L E OF WING WITH EPOXYlB HARD BALSA APPROX F RAISED TRAILING EDGE WEIGHT BALSA I6 SN MEDIUM KBOTH WING TIPS-IGHTER THAN AdO ItS 54 -i Iiz SOS THE REAR VIEW OF GLIDER I\ RAIN CROW 12TWIST SH MEDIUM DESIGNED B DRAWN BYSEEMAO VIEW GHT BALSA SPRUCE Ti ALEINCHES* GBII~3/IB02 4 9 IIB4 January 198359 High-speed camera shutter catches author mid-throw Overhand launches steep about 3O right wind best 3/1641%- BY RICKS KITS FORTHESPORTPILOT TOFLY TLOWWINGTRAINER T SLOWFLIGHTSTABILITY STSTALLPROOF FORGIVING ALSA WOOD ED rANICIDV SIZE PLANS RUOTION&PHOTO AIDS WARE MOSTPARTSMACHINECUT & FAST BUILDING OUNT ENG 5 SPAN 50 RADIO 4 ch WT lbs $6995 POST OFFICE BOX 1106 RICKS KITS WE PAY SHIPPING WITHIN USA CA RESIDENTS ADO 6% SALES TAX SANTEE CA 92071-0855 6191449-3316 GRAPHITE ULTRA-PLY Carbon laminating material strengthening types models LIGHTER THAN BALSA STRONGER THAN FIBERGLASS Send lonue 0 PO BOX 31228 Indols IN 46231 B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs tom Wing Biplane & ParasolPlans2195 EitherPartial Kit 85495 L Fall Kit 818495 Plans 82195 Both -] Partial Kit $9495 Fall Kit 819495 Travel Air 2000 105 Classic Scale Biplane Weighs 23 lbs Prans 2299Partial Kit 89850Fall Kit 819550 Travel Air 4808 88 Badial Engine ClassicBiplane 23 lbs Plans 82295Partial Kit 89995D4D Kit 821400 Pokker DVII 88German WWI FighterBiplane 23 lbs Plans 82295Partial Kit 819995 Fall Kit 20950 WACO UPF-7 gg Biplane 23 lbsPlans 82395 Sopmith Tripehoend 88 WWI Tn- 17 lbsPlans 82195 Sopwith Pap WWI BiplanePlant 82195 Quadras 22 CID89200 Shipping 8188 & Pactory Meant81000 ordering information orders shipped UPS Parcel Post Please add 8300 shippin9 plant 810 kits Make checks money orders payable Jerry Behrens fastest service sand Postal money order bank check Sorry no COD will accepted Send wail ders BEIIRENS PLAN SERVICE 31-27 Healy Ave. Far Rockaway NY 11591Phone 12121 337-6997 Allow 4-5 weeks delinery Bellanca cont US Navy JE-l manufacturing rights final version sold Northern Industries Ltd Edmonton Alberta Canada after World War II firm produced limited number Senior Skyrocket Model 31-55 early postwar years last gasp came 1950 design considered entry US Army competition liaison airplanes won DeHavilland Beaver become L.20 Although Bellanca Lindberghs first choice Spirit St Louis fate decreed would two weeks second airplane fly Atlantic Ocean nonstop However Bellanca first across Pacific Ocean nonstop Columbia its progeny became worlds premier long-distance planes Pacific flight made Clyde Pangborn Hugh Herndon Jr Miss Veedol Wasp C-i NR 796W serial No 3004 already six previous un successful attempts others before lifted off October 3 1931 Samishiro Beach 280 miles north Tokyo landed 41 hours 13 minutes later after flight 4558 miles Wanatchee WA win $25000 prize offered Tokyo Ashahi newspaper first non stop crossing Earlier 1931 July 2830 Russell Boardman John Polando set new long-distance record Cape Cod Wright J6-9 NR 761W serial No 3001 flew New York Istan bul Turkey 49 hours 20 minutes distance 5012 miles Transatlantic flights almost become commonplace 1931 1-4 successful nonstop cross ings spirit Otto Hillig Holger Hoiriis flew Newfoundland Krefeldt Germany June 1931 said just wanted visit home lands some pig knuckles sauerkraut beer plane called Liberty Wright J6-9 NR 797W Bellanca serial No 3003 Among other longdistance Bellancas Leonardo da Vinci American Nurse Pathfinder Lithuanica Warsaw addition its successes setting flight records efficiency long distances Bellancas design commercial success Over 200 CH J Pacemaker Skyrocket series variants produced Bellanca Aircraft Corporation New Castle Delaware decade 1927 1937 Today five left US Civil Aircraft Register Pacemakers Skyrockets live countless memories knew flew Rain Crow/Hull Continued page 59 After glider balanced trimmed long smooth glide possibly almost imaginary bit left turn has observed advance next stage flight adjustingthat launching modest altitude bank glider right wing tip about 6 lower left launch enough right oncoming breeze prevent violent stall launching speed tapers off should about half fullpower launch glider should instance make about half full circle gaining altitude way reach height about 20 ft should slowly drop its nose go smooth glide circle cautioned base judge ment performance observe during several flights since air currents may vary flight flight Based sort observance ever-tightening left glide circles seem regularly occur add bit right rudder opening-up glide circle abot 100 ft diameter use rudder doesnt cure tightening-up ultimately diving tendency will necessary lower leading edge LE hori zontal tail very small amount Accomplish softening tails cement joint about nserting cement-coated spruce wedge no 1/32 its thickest end Ambroid has used cement tail fuselage -it can softened acetone white glue has used can softened water will cause tail warpa catastrophe course can 140 Model Aviation J ETTRON GIANT SCALE & SPORT PLAN SETS KITS & QUADRAS order contains concise construction mental Partial kits include precut wing ribs fuselage formers prebent landing gear Full kits include everynhing aboee plus strip wood necessary hardware assembled landing gear cabana struts fiberglass cowl wheelpants required already have plan sets may deduct 81000 prices partial full kits listed below Travel Air D 4000 cut tail loose will difficult cement joint has really hardened Once satisfactory flight characteristics obtained 20-ft launches try harder ones less bank should steeper too approaching 450 inclination Also overhand launch will work out better youll find respectable transition launch glide phase still possible little trimming spite launching right oncoming breeze rather straight witness violent stall loop peak launch add bit weight left wing tip and/or lower TE horizontal tail about 1/64 cementing tiny wedge between fuselage either case bit corrective right rudder may necessary prevent spiral dive will need miniscule Small rudder changes can facilitated dampening TE area side opposite direction TE deflected Incidentally lips become very convenient dampening tail surfaces becomes desirable fairly hard launch seems yielding nearly flawless performance go ahead try vicious hard launch trying almost purely overhead steep launch about 300 right oncoming breeze will nothing short lucky first really hard launch yields flawless flight perfect flight takes lot practice often some fine-trimming rudder de flections tiny nearly invisible following as-hard-as-you-pos sibly-can launches glider just seems stall modestly try bending TE horizontal tail up bit will cause glider keep right screaming Immelmann sort launch slipping right rather stalling end have found near-overhand launch yields consistency prime prerequisite flying competi tion Speaking competition nearly im possible compete effectively sort threat cant put glider thermal balmy air official flight Learn become aware presence thermal almost certainly hand note tiny rise temperature calm spell breezy day want avoid thermals youll find boomers mighty scarce two hours daylight remain day Well happy thermal chasing keep em flyinRain Crows CL Speed/Hempel Continued page 66 point class would limited engine side-exhaust McCoy 60 really engine used class D Speed during late Forties Fifties early Sixties Also included photo Harold deBolt attempting FAI rise-otT-water speed record Plymouth Internats Hal used McCoy 60 power Keep up good work Nor AVIONIUS INC ACCUETACH 1 LCITAL2 FULL2 QUICK YoU get contIfluOiDete theMONITOR TACHOME VOLTMEateof afely peak terY ate RPM accurruchar orarge bY dual scale 1cycleMakes 055ible Idlme oUt select topend adjuS nt baeri Check ort pack fast ch vOW outl withwa ching tiny built~J5t TXR age drop 5ignals 131ty iOX capa Quali preci tery combo5full charge ty sion electronic ORDER YOURS NOW 79 Plaid Send check money order no CODs NorCai AVIONiCS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/0 tax Add $300 shipping outside continental USA Dealer Inquiries invited would like thank person took time write concerning Old Time Speed Keep cards letters photographs coming Gene Hempel 301 N Yale Dr Garlan4 TX 75042 APPLIED DESIGN CORPORATION 738 Penn Si El Segundo CA N245 MINI w SANDER ADJUSTABLE TENSION HAND BELT SAIIDER FIRMLY HOLDS PAPER FOR EASIER SANDING Padded Rats nod carves Handy Neld MINI-STRIPSPIIECISION DIE-CUT Medwm Garnet SAVES TIME $135 REPLACEMENT Fine Garnet AND EFFDRT SANDING BELTS Assid Waler Proof TEE ALUMINUM EXTRUSION SANDING BLOCK Icr use RUFF-STUFF SoIt-adlieelee maod paper Laree Tree Serface WeeiWeeroet illech 04 y Uu 22 inch RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SPECIAL SANDING SHAMS drylog e Medinm Fine r Fine $ 75 MINIcsAw $610 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw has rueged dIc-cast cowleetahle chlpreef plesilc sort handle Recoding come aed ad tobIe B hindo gives access Cuts weed pleslic metal nod HARDEMED MUSIC WIRE Xtr blades-3/S1 75 Add 20% postagn Send 25C catalog January 1983 141 Part Topping 100 instruction manual Notethe two engines shown Hornet 60 top Ohlsson 23 below Other pictures showed fit almost other popular engines day 1946 it
Edition: Model Aviation - 1983/01
Page Numbers: 58, 59, 140, 141
Superior HL Glider flying takes excelieni plane DUt aiso Tinely-luneD aujuslmenls Leinnique i ls powerful controlled launch picture shows Rain Crow II banked leftindicating wasnt thrown right oncoming breeze THIS DESIGN probably best-gliding HLG youve seen quite spellthat overheard comments mean anything thrown altitude subsequently displays very smooth transition glide com bination resulting continuing contest success flying Rain Crow II design refinement Rain Crow appeared August 1975 MA memory serves correctly Rain Crow II has won nine out 10 club contests held over past two years prior submission article publication HL Glider fliers Brainbusters Club now fly design significant feat plane hands Paul Altenhoff winning HL Glider event 1981 Eastern States Championships Various hardware has picked up Rain Crow II different contests trophy having won light rain figures reckon Construction Select medium-grade balsa maybe bit light side average wing tail choose quartergrain stiff balsa tail making selection balsa should also 58 Model Aviation sure straight-grained has no mushy areas fuselage little judicious splicing done need 3/16 x strip straight-grained spruce 30 long case use slow-setting epoxy secure splices available 1/20 balsa can sanded down easily 1 / 16 sanding block Actually some so-called 1/16 sheet nearer 1/20 measured Lets mention sanding block need nothing wood block about 3 wide 4 long piece sandpaper wrapped tightly around Working down wing respectable airfoil contour will test patience task can reduced consider ably making use smaller block plane shave wing blank down near its final contour Since both outboard panels wing have twist washout actually cut advisable mark trailing edge TE location twist exists mark can used reference cutting both top bottom wing blank area twist Shave wing blank down approx imate airfoil shape leaving about 1/64 still sanded off See drawing airfoils approximated Next sand wing blank contour down mediumgrade sandpaper until can no longer distinguish shave marks idea medium-grade sandpaper grit about size table salt use sanding block will cut off high areas left shaving also tends give uniform surface Next fine-grit paper sand wing until no scratches remain previous sanding Reid Null beginsthe windupforanother pOwer ful throw HL Gliders provide fun minimum investment time/money FF modeling Pictures Gene Hartmangruber Finally using extra-fine paper sand wing contour until no scratches whatsoever discernible Employ same sanding procedures tail surfaces spruce fuselage laid out outline carved sharp knife jigsaw As suggested before fuselage blank may built up 3/16 x k get required depth Trim blank until sections drawing truly representative finished fuselage sand until no scratch marks remain point cautioned make certain fuselage wing tail mounting surfaces permit precisely parallel mounting wing lower surface horizontal tail anything else will permit proper wing tail alignment fuselage finished turn attention wing view towards cutting cementing dihedral joints outboard joints should carefully cut beveled correct outboard panel dihedral angle can achieved together snug-fitting cement joint As cement use Ambroid preference available water proof doesnt get brittle few months Whatever cement choice need apply primer coat end grain joined Having primed end grain go ahead cement outboard dihedral joints being sure beveled ends precisely mated outboard panels dont end up having less twist initially cut Straight pins can used secure joint cement dries Follow same procedure joining right wing left center careful again get butt ends accurately bevel-cut can precisely mated simultaneously taking correct dihedral angle Now wing tail have sanded shape apply coat sanding sealer balsa surfaces Once sealer has thoroughly dried take piece extra-fine sandpaper sand stif fened wood fuzz bumps Continue sand until surfaces become quite smooth Finally apply two coats quite thin clear dope balsa spruce surfaces except just coat within trailing edgeso reduce possibility eventual warping dope ages wish can mix about 20% color dope clear two last coats will add little color glider wing tail now cemented fuselage finger rest spruce put bottom wing next fuselage Incidentally whatever type cement used should applied sparingly cementing horizontal tail fuselage Any large cement fillet will eventually shrink warp tail surfaces No dethermalizing scheme shOwn Several different types have described previous publications Probably best small aluminum panel having released side fuselage burning fuse swings outward thence aft coming rest against wing leading edge panel may cut soft drink can about 3/4 wide 2 long hinged its rear end near wing leading edge Youll find neces sary cant hinge line bit get panel come contact wing released should note before leaving construc tion phase others have quite bit success modification Rain Crow II wherein shorten slender tail boom little inch makes glider bit rugged no doubt Flying Add clay nose until CG balance point fuselage falls drawing shows Launch about shoulder height Grip fuselage between thumb second finger end forefinger against finger rest cemented under wing Thrust glider forward slightly downward direction little harder tossing ping-pong ball across living room glider should glide forward about 60 feet stalling does stall add weight nose necessary launch much harder toss indicated achieve 60-ft glide glider will probably dive launched altitude case too much weight probably has added nose Also marked right left turn becomes apparent glide deflect rudder enough overcome else repo sition rudder since no doubt misaligned Continued page 140 COAT L E OF WING WITH EPOXYlB HARD BALSA APPROX F RAISED TRAILING EDGE WEIGHT BALSA I6 SN MEDIUM KBOTH WING TIPS-IGHTER THAN AdO ItS 54 -i Iiz SOS THE REAR VIEW OF GLIDER I\ RAIN CROW 12TWIST SH MEDIUM DESIGNED B DRAWN BYSEEMAO VIEW GHT BALSA SPRUCE Ti ALEINCHES* GBII~3/IB02 4 9 IIB4 January 198359 High-speed camera shutter catches author mid-throw Overhand launches steep about 3O right wind best 3/1641%- BY RICKS KITS FORTHESPORTPILOT TOFLY TLOWWINGTRAINER T SLOWFLIGHTSTABILITY STSTALLPROOF FORGIVING ALSA WOOD ED rANICIDV SIZE PLANS RUOTION&PHOTO AIDS WARE MOSTPARTSMACHINECUT & FAST BUILDING OUNT ENG 5 SPAN 50 RADIO 4 ch WT lbs $6995 POST OFFICE BOX 1106 RICKS KITS WE PAY SHIPPING WITHIN USA CA RESIDENTS ADO 6% SALES TAX SANTEE CA 92071-0855 6191449-3316 GRAPHITE ULTRA-PLY Carbon laminating material strengthening types models LIGHTER THAN BALSA STRONGER THAN FIBERGLASS Send lonue 0 PO BOX 31228 Indols IN 46231 B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs tom Wing Biplane & ParasolPlans2195 EitherPartial Kit 85495 L Fall Kit 818495 Plans 82195 Both -] Partial Kit $9495 Fall Kit 819495 Travel Air 2000 105 Classic Scale Biplane Weighs 23 lbs Prans 2299Partial Kit 89850Fall Kit 819550 Travel Air 4808 88 Badial Engine ClassicBiplane 23 lbs Plans 82295Partial Kit 89995D4D Kit 821400 Pokker DVII 88German WWI FighterBiplane 23 lbs Plans 82295Partial Kit 819995 Fall Kit 20950 WACO UPF-7 gg Biplane 23 lbsPlans 82395 Sopmith Tripehoend 88 WWI Tn- 17 lbsPlans 82195 Sopwith Pap WWI BiplanePlant 82195 Quadras 22 CID89200 Shipping 8188 & Pactory Meant81000 ordering information orders shipped UPS Parcel Post Please add 8300 shippin9 plant 810 kits Make checks money orders payable Jerry Behrens fastest service sand Postal money order bank check Sorry no COD will accepted Send wail ders BEIIRENS PLAN SERVICE 31-27 Healy Ave. Far Rockaway NY 11591Phone 12121 337-6997 Allow 4-5 weeks delinery Bellanca cont US Navy JE-l manufacturing rights final version sold Northern Industries Ltd Edmonton Alberta Canada after World War II firm produced limited number Senior Skyrocket Model 31-55 early postwar years last gasp came 1950 design considered entry US Army competition liaison airplanes won DeHavilland Beaver become L.20 Although Bellanca Lindberghs first choice Spirit St Louis fate decreed would two weeks second airplane fly Atlantic Ocean nonstop However Bellanca first across Pacific Ocean nonstop Columbia its progeny became worlds premier long-distance planes Pacific flight made Clyde Pangborn Hugh Herndon Jr Miss Veedol Wasp C-i NR 796W serial No 3004 already six previous un successful attempts others before lifted off October 3 1931 Samishiro Beach 280 miles north Tokyo landed 41 hours 13 minutes later after flight 4558 miles Wanatchee WA win $25000 prize offered Tokyo Ashahi newspaper first non stop crossing Earlier 1931 July 2830 Russell Boardman John Polando set new long-distance record Cape Cod Wright J6-9 NR 761W serial No 3001 flew New York Istan bul Turkey 49 hours 20 minutes distance 5012 miles Transatlantic flights almost become commonplace 1931 1-4 successful nonstop cross ings spirit Otto Hillig Holger Hoiriis flew Newfoundland Krefeldt Germany June 1931 said just wanted visit home lands some pig knuckles sauerkraut beer plane called Liberty Wright J6-9 NR 797W Bellanca serial No 3003 Among other longdistance Bellancas Leonardo da Vinci American Nurse Pathfinder Lithuanica Warsaw addition its successes setting flight records efficiency long distances Bellancas design commercial success Over 200 CH J Pacemaker Skyrocket series variants produced Bellanca Aircraft Corporation New Castle Delaware decade 1927 1937 Today five left US Civil Aircraft Register Pacemakers Skyrockets live countless memories knew flew Rain Crow/Hull Continued page 59 After glider balanced trimmed long smooth glide possibly almost imaginary bit left turn has observed advance next stage flight adjustingthat launching modest altitude bank glider right wing tip about 6 lower left launch enough right oncoming breeze prevent violent stall launching speed tapers off should about half fullpower launch glider should instance make about half full circle gaining altitude way reach height about 20 ft should slowly drop its nose go smooth glide circle cautioned base judge ment performance observe during several flights since air currents may vary flight flight Based sort observance ever-tightening left glide circles seem regularly occur add bit right rudder opening-up glide circle abot 100 ft diameter use rudder doesnt cure tightening-up ultimately diving tendency will necessary lower leading edge LE hori zontal tail very small amount Accomplish softening tails cement joint about nserting cement-coated spruce wedge no 1/32 its thickest end Ambroid has used cement tail fuselage -it can softened acetone white glue has used can softened water will cause tail warpa catastrophe course can 140 Model Aviation J ETTRON GIANT SCALE & SPORT PLAN SETS KITS & QUADRAS order contains concise construction mental Partial kits include precut wing ribs fuselage formers prebent landing gear Full kits include everynhing aboee plus strip wood necessary hardware assembled landing gear cabana struts fiberglass cowl wheelpants required already have plan sets may deduct 81000 prices partial full kits listed below Travel Air D 4000 cut tail loose will difficult cement joint has really hardened Once satisfactory flight characteristics obtained 20-ft launches try harder ones less bank should steeper too approaching 450 inclination Also overhand launch will work out better youll find respectable transition launch glide phase still possible little trimming spite launching right oncoming breeze rather straight witness violent stall loop peak launch add bit weight left wing tip and/or lower TE horizontal tail about 1/64 cementing tiny wedge between fuselage either case bit corrective right rudder may necessary prevent spiral dive will need miniscule Small rudder changes can facilitated dampening TE area side opposite direction TE deflected Incidentally lips become very convenient dampening tail surfaces becomes desirable fairly hard launch seems yielding nearly flawless performance go ahead try vicious hard launch trying almost purely overhead steep launch about 300 right oncoming breeze will nothing short lucky first really hard launch yields flawless flight perfect flight takes lot practice often some fine-trimming rudder de flections tiny nearly invisible following as-hard-as-you-pos sibly-can launches glider just seems stall modestly try bending TE horizontal tail up bit will cause glider keep right screaming Immelmann sort launch slipping right rather stalling end have found near-overhand launch yields consistency prime prerequisite flying competi tion Speaking competition nearly im possible compete effectively sort threat cant put glider thermal balmy air official flight Learn become aware presence thermal almost certainly hand note tiny rise temperature calm spell breezy day want avoid thermals youll find boomers mighty scarce two hours daylight remain day Well happy thermal chasing keep em flyinRain Crows CL Speed/Hempel Continued page 66 point class would limited engine side-exhaust McCoy 60 really engine used class D Speed during late Forties Fifties early Sixties Also included photo Harold deBolt attempting FAI rise-otT-water speed record Plymouth Internats Hal used McCoy 60 power Keep up good work Nor AVIONIUS INC ACCUETACH 1 LCITAL2 FULL2 QUICK YoU get contIfluOiDete theMONITOR TACHOME VOLTMEateof afely peak terY ate RPM accurruchar orarge bY dual scale 1cycleMakes 055ible Idlme oUt select topend adjuS nt baeri Check ort pack fast ch vOW outl withwa ching tiny built~J5t TXR age drop 5ignals 131ty iOX capa Quali preci tery combo5full charge ty sion electronic ORDER YOURS NOW 79 Plaid Send check money order no CODs NorCai AVIONiCS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/0 tax Add $300 shipping outside continental USA Dealer Inquiries invited would like thank person took time write concerning Old Time Speed Keep cards letters photographs coming Gene Hempel 301 N Yale Dr Garlan4 TX 75042 APPLIED DESIGN CORPORATION 738 Penn Si El Segundo CA N245 MINI w SANDER ADJUSTABLE TENSION HAND BELT SAIIDER FIRMLY HOLDS PAPER FOR EASIER SANDING Padded Rats nod carves Handy Neld MINI-STRIPSPIIECISION DIE-CUT Medwm Garnet SAVES TIME $135 REPLACEMENT Fine Garnet AND EFFDRT SANDING BELTS Assid Waler Proof TEE ALUMINUM EXTRUSION SANDING BLOCK Icr use RUFF-STUFF SoIt-adlieelee maod paper Laree Tree Serface WeeiWeeroet illech 04 y Uu 22 inch RUFF 6 STUFF SELF ADHESIVE SHEET SANDPAPER MAKE YOUR OWN SPECIAL SANDING SHAMS drylog e Medinm Fine r Fine $ 75 MINIcsAw $610 COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw has rueged dIc-cast cowleetahle chlpreef plesilc sort handle Recoding come aed ad tobIe B hindo gives access Cuts weed pleslic metal nod HARDEMED MUSIC WIRE Xtr blades-3/S1 75 Add 20% postagn Send 25C catalog January 1983 141 Part Topping 100 instruction manual Notethe two engines shown Hornet 60 top Ohlsson 23 below Other pictures showed fit almost other popular engines day 1946 it