Pieces Revisited

PIECES REVISITED simple Indoor Easy B model thats AMA National Record holder years author shares construction flying tips U Walt Van Gorder very simple design shorter other Easy B designs hence lighter propeller uses blades bit smaller other ships means another savings weight PIECES built June 1980 just prior FAI Indoor World Champs held old Northrop Institute site West Baden Indiana After FiD competition completed number top international competitors remained day Easy B flying addition top-notch American fliers attendance fly famed Indoor site Against glittering array talent Pieces flew 1910 second fine 1938 flight made Otto Redenburg Editors noteflight duration given minutesseconds particular model covered condenser paper used 12 x 22 prop weighed 85 grams details building flying model appeared January 1982 issue Model Aviation have copy issue interested reading will copy article send 50 stamped self-addressed envelope Various rules changes since time have made possible cover Easy B Mylar use wood bracing structure Using changes incorporating building refinements resulted model weighing 745 grams flew amazing 2558 airship hangar Lakehurst New Jersey Since model got up 130 140 feet came down turns remaining rubber motor am sure greater flights come can get bit altitude keys success Pieces Refinements Four small wooden wing braces made possible use very light Mylar-covered wing addition wing posts shortened 1 118-in no ill effects performance wing moved forward 1/2 put center-of-gravity CG 70% wing chord resulted slower-moving model experience models covered Mylar fly faster models covered condenser paper Tip dihedral lowered l/4 1/s producing wingspan 1/16 short 18 allowed rules wing posts moved l16 146 Model Aviation version Pieces old re-covered wing bracing struts Prop 14-in diameter Total model weight mere 745 grams Left The author older note wooden bracing struts wing spars wing posts version Pieces Center author 1980 Pieces Note high wing posts condenser paper covering flying surfaces Right can store things top transport box Foam rubber blocks keep soft grip motor sticks 1 Wing span ready fly 17-15/16 2 Wing chord 2-31/32 1/32 andersize flat part wing Wing posts moved Offset 3/16""t.~ Old location Wing ribs 032 032 Main spars 032 5 062 Wing braced record flight 2558 span Simple wood bracing 2-1/2 long 2 LE. 2 TE lip spars 032 062 tapered 032 v032 3/16 offset post location 2-1/21 No center rib1-17/32 Slab spars 032 032Stab ribs 032 032 Win ib template U Wing moved 1/2 forward adjust C/G sher mylar covering ased opan 12 _________ Wing posts have shortened 1-1/8 long June 1988 CG Wing posts 1/16 roand ue wing sockets Motor stick 3/16 tapered 101/8 front rear Motor slick 125 thick tapered 1/16 front rear Prop Template Prop size 12 diameter 22 pilch blades 012 thick Used 14 273 pitch prop tsr Cst IV record Ilight 9-2-91 Rudder outline 032 032 Prop spar 070 round tapered 032 tip4 1/4 T Tail boom 080 sq tapered 032 sq tip/ 1/4 Wing post locations_____ moved forward 1/2 June 188817-15/16 span June 1988 il boom offset 1/4 tsr left tarn 1-5/8 Notef Tip dihedral reduced 1-5/8 Jane 1988 __________I Span now 1715/16 Tip dihedral012 Simple wood bracingIII SCALE ININCHES PIECES3/4 stub tilt2 LE 2 TE EASY-BWing braces 2 1/2 longCAT III West Baden 2206 wing span Model heavier wing no braces wt 77 grams DESIGNED AND DRAWN BY026 deep 020 thinckCAT IV Lake Hurst NJ 2558 wing span Model lighter braced wing 45 grams WALTER VAN GORDER6 lb wood right previous location permit model fly larger circle Most Indoor fliers will agree propeller heart good flying model some great flights 1990 US Indoor Champs using 13 x 27 prop Editors note 13 x 27 means 13-in diameter pitch of27 038 rubber finished second very pleased high hopes flying Lakehurst Experimenting 14 x 29 prop Lakehurst disappointment 1991 USIC disaster 13-in prop used 1990 destroyed rubber motors exploded during winding forced use 14-in prop could job An 11thplace finish got thinking about ways get back winners circle 14 x 29 propellers pitch reduced 273 Using tan rubber reworked 14-in prop set new Category IV record 2415 returned Lakehurst another try bettering record weather cooler used tan rubber fly 2415 Because model would climb beyond 60 feet switched Pirelli rubber performs better cooler temperatures As mentioned before best flight 2558 opinion rubber very temperature-sensitive am fortunate have some Pirelli black PAl rubber addition tan Finding right type rubber given temperature just important having right width rubber motor Construction Before beginning construction part article want pass some information will improve Easy B flying times objective build model light canbut careful important build well-aligned model free mber1992 147 f 2-7/1 6 Left Four props Pieces Diameters bottom up 12 13 13112 14 inches Right Author Van Gorder takes assortment props contests diameters 12-13 pitches 22-24 warps will fly consistently As become familiar model can begin concerned saving weight wherever possible Keeping record flight utmost importance minimum flight record should show type rubber used hatch its length width need know number turns used motor torque wound flight turns remaining motor end flight altitude achieved prop used flight duration record temperature humidity time day anything else might have some effect flight Studying records home after contest flying session can tell lot about model certain ground rules building superlight model type As mentioned article weight wood used build model merely starting point As progress building flying techniques use lighter wood reduce weight Light strong cement must Indoor building still use Ambroid cement thinned 50/50 acetone cement use heavier model will will surprised small amount cement will still give good strong joint cannot put pins wooden parts hold place during construction hold parts place means pressure supplied edge piece cardboard can itself pinned building board Wing Cut out cardboard template cutting small triangles out ribs meet wing spars use old laundry soap cartons material templates Cut some 1-in squares scrap left over will used later hold spars place against template sure make template /16-in undersize chord finished wing will oversized always use /32-in spars wings balsa stripper makes spar cutting bit easier can cut good straightedge very sharp razor blade first attempt Indoor start out 6- 6/2-lb wood spars Make 032 x 060 A- B-grain balsa Cut tip spars 032 x 060 tapered 032 square tip Make template cutting ribs like use little thicker cardboard hold onto slice ribs Use 5/2- 6-lb C-grain baisa Make ribs 032 x 032 use pane glass work surface cutting sliced ribs Lay spars up against template use 1-in squares hold place Make sure rib fits snugly enough keep falling over keeps airfoil same along entire span helps minimize warps caused improper fit Let wing dry overnight Cut bevel dihedral break points spars will have good fit Prop up tip 151s-in Make sure side exactly same Let dry overnight 148 Model Aviation Heres original Pieces flown 1980 Nationals Condenser paper covering 12 x 22 prop 85-gram weight Center Pieces its lightest 68 grams configuration microfilm covering shortened wing posts no bracing Right Heres authors complete set cardboard templates old laundry soap cartons used constructing Pieces Try rear motor hook bent-up ena made 013 wire keeps unwound motor falling off flight Left Thrust bearings Top standard dual-type Micro-X bottom made wrapping wire around pin Center Inexpensive transport carrier made storage box Slotted foam rubber blocks hold selection props Right Another view Walts transport box foam rubber blocks props glued boxs sides Precision Aviation Does Again! Dont Miss Out Fun Fly Precision Aviation City Kitty New Competition Class -- Fun Fly Photo Jerry Smith Bob Godfrey City Kitty p 7 c3 5 13995 18995 City Kitty mci Hardware Complete Kit Jig Built Wings City Kitty Built Bones Wing Length47 155 7285 sq Approx Weight 35 lbs Recommended Engine32 46 Instructions Fun Fly City Kitty Instructions Precision Competition Version 112 Fiber Glass Tbbe Fuse Shaped Nylon Landing Gear Computer Radio Required Competition Additional Products Consider Precision Eagle Engines Glow & Ignition 33 42 84 Inline Twin 57 coming Extra 300 Caps T Shirts Sweatshh Precision Aviation Design 1822 6th Ave W Bradenton Fl 34205 Phone 813-747-7006 Fax 813-745-1591 Florida Residents add 7% Sales Tax stab rudder constructed same manner wing Spars stab rudder outline 032 x 032 square cut 5112-lb wood Stab ribs 032 x 032 512-lb C-grain balsa Put piece wax paper building board pin cardboard rudder template down wax paper 032-square wood should soaked hot tap water 10 minutes before bending around template Lay flat board next template carefully pull around shape template Hold place some handy 1-in squares cardboard used wing Let dry overnight tail boom made 512-lb A- B-grain balsa 080 square tapered down about 032 square tip motor stick made piece 6-lb A-grain stock 1/8 x /16 x 9lI4in long Cut sand shape plan Use light dual thrust bearing available favorite Indoor supplier rear motor hook bent 013 wire can glued now sure bend rear hook up end shown plans motor completely unwinds flight little extra bent-up portion will keep motor falling off Glue rudder outline tail boom drying tissue Japanese OU[TED FAN5 REPLACE PIPE PRESSURE WITH RI TO T POWER. WHY NOT REDUCE DRAG BY LEAVING OUT THE EXPENSIVE HIGH DRAG PARTS IN THE EXHAUST DUCT ? LET US SHOW YOU HOW NOT TO LOSE FUEL OUT THE PRESSURE LINE ON ANY SYSTEM MOUNTS THROUGH THE FAN SHROUD WITH SMALL PICK UP INSIDE AND HOSE FITTING OUTSIDE DEVELOPED ON VIOJETT POWERED F86 AND F100 THIS SYSTEM NOW INSTALLED ON ALL MAJOR FAN TYPES tissue similar wing sockets can made Cut tissue strips about 1/4-in wide 1124n long Add few drops water few drops white glue mix Lay strip tissue glue Take 1/16-in drill bit roll tissue around smooth end Very carefully slide tissue tube off drill bit place piece wax paper Let dry completely Covering new lighter plastic covering difficult condenser paper because static electricity used static-charge Continued page 169 FANOSCALE ONSTOCK 3 IJP4EELS IWOONAROWARE 3 OESZGNEO FORVIOJET 3 EPOV GLASS FUSELAGE 3 F100$550 SH VIDEOTAPE MANUAL$20 DEMOTAPE$10FREE PITOTPOWER$8 SSH OFFSETDOOR HINGES 6FOR 58 CALL FOR QUANTITYPRICES USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 503547 0015 November 1992 149 1/4 sc & 30% Precision Extra 300s Zippy AccessorieS & Adhesives Carbon Fibre Propellers & Supergears Plus Shipping & Handling SUNGLASSES k $1195 $2S&H 100% VV Protection Shatterproof Excellent Optical Quality Tints Fit Over Prescriptions SKYS PO BOX 1000 MFRIES VA 22026 800-227-9318 ....From Ato Z. weve got plo ONE PROP TWO PROPS OR NOYOURI FLIGHT PHOTUa Illustrated Catalog $200 sent no charge plans order PRICES INCLUDE UPS SHIPPING CHARGES Fiberglass Components Canopies Available 6-25 Mitchell101 0 Ju-87B Stuka100 .3200 DC-31C-47140 .4200 F4U Corsair93 .3200 PT-17 Steannan77 .2700 P40 Warhawk94.3200 AT-6/SNJ Texan 101 .3200 FaF Bearcat88 .3200 A6M5 Zero91 .3200 Fokker Dr 1 Triplane 63 .2700 Mew Gufl100.3800 Taube semi-scale 88 .2500 Beech D-1 8/C -45 114 .4000 P-51D Mustang100 .3200 P47 Thunderbolt 72 .2500 F9F Panther72 .3400 NICK ZIROLI 29 EDGAR DRIVE SMIThTOWN N Y 11787 ph 5162345038 Pieces/Van Gorder Continued page 149 eliminator called Zerostat 3 break up static charge film Zerostat 3 similar devices available better record stores put wings ajig cover three sections still use Micro-X condenser paper cement very small brush very careful use too much little goes long way trim off excess film use very sharp razor blade also use hand-held 25-watt Weller soldering iron seal film left after first trimming very careful Too much heat can result burned wood film shrinkage small area can cause warps prop first used model 12-in diameter 22-in pitch Take time because good prop crucial part models performance Make cardboard template blade cut two blades 51/2-lb 012 C-grain balsa Lightly sand blades No 600 sandpaper Sand blades direction prop spar made 6-lb 7-lb /8-in square x 6-in-long balsa sanded round 070 center tapering 032 tip done taping full sheet 180-grit sandpaper work Renew 93 board another large sanding block First sand off corners spar Next holding spar sand between two sheets sandpaper using diagonal circular motion spar will come out perfectly round after few strokes same method used making wing posts round Tapering ends prop spar 032 done after getting round tilting sanding block Bob Meuser article June 1977 issue Model Aviation prop shaft made 013 wire bent shape plan After shaft put center spar bend end 900 angle cut off excess Use drop Hot Stuff secure As props get lighter larger can reduce size shaft save weight use guitar string wire small 0 10 Soak blades hot tap water 15 minutes Lay prop form can use can bottle jar jug 5-in 6-in diameter has smooth sides Lay wet blades form 150 left Miter Master * Perfect Truss construction * 900 squaring fence * Triangular adjustable fence Price $1495 Product No 122 center Lash form stretchgauze bandage such Ace bandage just snug enough hold place Put two three strips masking tape around hold everything place put preheated oven 2500 15 20 minutes After everything has cooled down remove blades very carefully building larger lighter props will need longer spar control flare prop tending bend forward under power some suggested spar lengths 13-in prop 7/2-in spar 13/2-in prop 9-in spar 14-in prop 10-in spar Make jig assemble blades hub pitch 450 point 3/2-in center hub very important both blades set exactly same angle So take time right Attach wing posts wing spar shown plans Make sure posts Continued page 172 Miter Sander Sand angle its complement quickly accurately Miter Master solid alder base mounted non-skid pads alder four-way re versible sliding block carries 2 different grits sand paper FOURMOST PRODUCTS 4040 24TH AVE FOREST GROVE OR 97116 503 357-2732 November 1992 169 PLANS NOW AVAILABLE Eaeytobuild WORLD WAR SPAD RED BARON Pedal Planet littie pilot age 3 6 will love tide unique exciting toy Plane complete situ fullaize patterns material jet step-bystep instuciJons color photographa Plans $1495 ea US & Canadal Specify plans desired FL Has add 6% tax Add $300 P & H FANTASY TOYS OG Pines Dlvd suite 188 Pembohe Pines FL S143e-G196 MAStER AIlISCREW Efficient wide tips thinner airfoil sections combine greater thrust noise suppression true tip path G/F K Classic Series made 33% glass-filled nylon strength durability will out-perform wood other plastics water sand & gravel runways Wood Series made lightweight kiln-dried beechwood sizes 9-16 inches & heavier maple 18-24 inch range New 18 inch Classic Series 16 24 engines has semi-scale look excellent performance Available local hobby dealer G/F SERIES black glass-filled nylon8x4 8x6$1 35 55x4 55x45S 999x4 9x5 9x6 9x8 95x6 . 1 55 6x3 6x35 6x49910x6 10x7 10x8175 7x4 7x612511x6 11x7 11x75 11x9.l95 K SERIES m black glass-filled nylon 12x6 12x8$285 13x6 13x8385 44tEmES $U black glass -filled nylon 16x6 16x8 16x10.$795 beechwood maple 9x4 9x5 9x6 9x8 $1 95 10x5 10x6 10x7 10x8225 11x6 11x7 11x8 11x10.255 12x6 12x8 12x9 325 13x6 13x8 13x10 395 14x6 14x8$495 15x8 15x10595 16x6 16x8665 18x6 18x8 18x10$1295 20x6 20x8 20x101495 14x6 14x8 14x10$ 525 16x6 16x8 l6x10895 18x6 18x8 18x101395 20x6 20x8 20x101595 22x8 22x10 22x121795 24x8 24x10 24x121995 172 Model Aviation 4CL SpeedlLee Continued page 133 three flights best157for second Bob Whitney flew twice third 146 Ned Morris Gordon Thomas could get engines started Quite few Jet fliers did enter because troubles fuel going lot testing better mixture large crowd spectators watching us fly D jobs Jets wanted see noisy honkers go 1992 Nationals really fun especially 10% nitro fuel Very few engines damaged ran well turned quite respectable speeds especially enjoyed flying old way started set own engine ran out handle flew Despite cold weather good time banquet Carlos again crowned Top Gun gathering points Bobby Fogg III Junior Champion sad note observed moment silence friends have passed Fred Randel Ted Black Dave Williams wife thanks helped run events * Pieces/Van Gorder Continued page 162 900 wing spars perfect alignment other front-to-rear Attach tall boom rudder assembly motor stick 1/4-in left rudder 1/4-in negative incidence per plan Attach stab t/4-in tilt left turu left side will higher viewed rear model locate CG put prop install loop rubber between prop shaft hook rear hook model weight 10-12 grams use 045 050 rubber model under gram use 040 045 rubber just starting out keep CG 55% 60% wing chord Carefully glue wing post sockets motor stick CG will fall desired percentage wing chord As gain expenence may want try other CG locations have found 70% CG works pretty well lighter models Final Assembly Flying model now ready fly Install wing prop test glide rubber motor Start out zero incidence wing Make several test glides Adjust wing incidence until get smooth -J Construction materials Wooct wheels hardware etc available lumber hardware oudets Sonic parts available ready-made desired Ust indudad situ plant WOOD SERIES See Local Hobby Dealer Master Airscrew Propellers & Accessories WINDSOR PROPELLER COMPANY 3219 MONIER CIRCLE RANCHO CORDOVA CALIFORNIA 95742 glide prop turning slight nose-down attitude model weighs over gram will require motor 045 050 wide rubber 18-in long starting point model weighing around 85 grams will fly 18-in motor 040 045 width have now completed model has proven good flier much duration get will depend upon familiar become afraid change size length motor Record results will soon find combination will just right model have questions concerning construction adjustment Pieces address 5669 Victoryview Lane Cincinnati OH 45233 Please include selfaddressed stamped envelope would like thank people have helped over yearstoo list know Also people graciously give time contests liers Parts Materials Jim Jones 36631 Ledgestone Drive Mt Clemens MI 48043 Micro-X Products PO Box 1063 Lorain OH 44055 Indoor Model Supply Box 5311 Salem OR 97304 Sig Manufacturing Co Inc Montezuma IA 50171 Ray Harlan 15 Happy Hollow Road Wayland MA 01778 Wayne Triven 7408 West Hanna Ave Tampa FL 33615 Secret WeaponlShulman Continued page 168 shape conform fuselage oufline study plan renderings formers 2 3 detail bottom strip ends t/4-in tail section filler dont let worry x /4-in filler will blend tail-section filler assembly has completed area will sanded tapered flow 318-in stringers forming oval section tail Install 1/4 x 31s-in stringers between formers 2 3 associated triangle stock pieces 1/ x /4-in filler pieces see plan Add remaining /4 x 318-in stringers side former 4 tail Note Splice stringers necessary run full-length Vary splice joints opposite other greater strength Glue 31s-in wing saddles adjacent associated stringers fuselage sides Glue wing saddle bolt mount 314-in balsa triangle stock wish use t/s-in sheet balsa perimeter sheeting Fit perimeter sheeting fuselage sides stringers 1/ X 1/4-in triangle stock DIANA Aviatrix 30s onta os Pilot head Jactret Hetnet Goggles Easy semble fiSh latex parts No403 1/3 Scale s1595 No404 114 Scale o 1N4O5 1/5 Scale 6 1/6 Scale s OPtDEIING INSTRUCTIONS See nno deale IistO ode diect add $100 snipping NYS nesidents add 7% Th Che-lnMooeoOde

PIECES REVISITED simple Indoor Easy B model thats AMA National Record holder years author shares construction flying tips U Walt Van Gorder very simple design shorter other Easy B designs hence lighter propeller uses blades bit smaller other ships means another savings weight PIECES built June 1980 just prior FAI Indoor World Champs held old Northrop Institute site West Baden Indiana After FiD competition completed number top international competitors remained day Easy B flying addition top-notch American fliers attendance fly famed Indoor site Against glittering array talent Pieces flew 1910 second fine 1938 flight made Otto Redenburg Editors noteflight duration given minutesseconds particular model covered condenser paper used 12 x 22 prop weighed 85 grams details building flying model appeared January 1982 issue Model Aviation have copy issue interested reading will copy article send 50 stamped self-addressed envelope Various rules changes since time have made possible cover Easy B Mylar use wood bracing structure Using changes incorporating building refinements resulted model weighing 745 grams flew amazing 2558 airship hangar Lakehurst New Jersey Since model got up 130 140 feet came down turns remaining rubber motor am sure greater flights come can get bit altitude keys success Pieces Refinements Four small wooden wing braces made possible use very light Mylar-covered wing addition wing posts shortened 1 118-in no ill effects performance wing moved forward 1/2 put center-of-gravity CG 70% wing chord resulted slower-moving model experience models covered Mylar fly faster models covered condenser paper Tip dihedral lowered l/4 1/s producing wingspan 1/16 short 18 allowed rules wing posts moved l16 146 Model Aviation version Pieces old re-covered wing bracing struts Prop 14-in diameter Total model weight mere 745 grams Left The author older note wooden bracing struts wing spars wing posts version Pieces Center author 1980 Pieces Note high wing posts condenser paper covering flying surfaces Right can store things top transport box Foam rubber blocks keep soft grip motor sticks 1 Wing span ready fly 17-15/16 2 Wing chord 2-31/32 1/32 andersize flat part wing Wing posts moved Offset 3/16""t.~ Old location Wing ribs 032 032 Main spars 032 5 062 Wing braced record flight 2558 span Simple wood bracing 2-1/2 long 2 LE. 2 TE lip spars 032 062 tapered 032 v032 3/16 offset post location 2-1/21 No center rib1-17/32 Slab spars 032 032Stab ribs 032 032 Win ib template U Wing moved 1/2 forward adjust C/G sher mylar covering ased opan 12 _________ Wing posts have shortened 1-1/8 long June 1988 CG Wing posts 1/16 roand ue wing sockets Motor stick 3/16 tapered 101/8 front rear Motor slick 125 thick tapered 1/16 front rear Prop Template Prop size 12 diameter 22 pilch blades 012 thick Used 14 273 pitch prop tsr Cst IV record Ilight 9-2-91 Rudder outline 032 032 Prop spar 070 round tapered 032 tip4 1/4 T Tail boom 080 sq tapered 032 sq tip/ 1/4 Wing post locations_____ moved forward 1/2 June 188817-15/16 span June 1988 il boom offset 1/4 tsr left tarn 1-5/8 Notef Tip dihedral reduced 1-5/8 Jane 1988 __________I Span now 1715/16 Tip dihedral012 Simple wood bracingIII SCALE ININCHES PIECES3/4 stub tilt2 LE 2 TE EASY-BWing braces 2 1/2 longCAT III West Baden 2206 wing span Model heavier wing no braces wt 77 grams DESIGNED AND DRAWN BY026 deep 020 thinckCAT IV Lake Hurst NJ 2558 wing span Model lighter braced wing 45 grams WALTER VAN GORDER6 lb wood right previous location permit model fly larger circle Most Indoor fliers will agree propeller heart good flying model some great flights 1990 US Indoor Champs using 13 x 27 prop Editors note 13 x 27 means 13-in diameter pitch of27 038 rubber finished second very pleased high hopes flying Lakehurst Experimenting 14 x 29 prop Lakehurst disappointment 1991 USIC disaster 13-in prop used 1990 destroyed rubber motors exploded during winding forced use 14-in prop could job An 11thplace finish got thinking about ways get back winners circle 14 x 29 propellers pitch reduced 273 Using tan rubber reworked 14-in prop set new Category IV record 2415 returned Lakehurst another try bettering record weather cooler used tan rubber fly 2415 Because model would climb beyond 60 feet switched Pirelli rubber performs better cooler temperatures As mentioned before best flight 2558 opinion rubber very temperature-sensitive am fortunate have some Pirelli black PAl rubber addition tan Finding right type rubber given temperature just important having right width rubber motor Construction Before beginning construction part article want pass some information will improve Easy B flying times objective build model light canbut careful important build well-aligned model free mber1992 147 f 2-7/1 6 Left Four props Pieces Diameters bottom up 12 13 13112 14 inches Right Author Van Gorder takes assortment props contests diameters 12-13 pitches 22-24 warps will fly consistently As become familiar model can begin concerned saving weight wherever possible Keeping record flight utmost importance minimum flight record should show type rubber used hatch its length width need know number turns used motor torque wound flight turns remaining motor end flight altitude achieved prop used flight duration record temperature humidity time day anything else might have some effect flight Studying records home after contest flying session can tell lot about model certain ground rules building superlight model type As mentioned article weight wood used build model merely starting point As progress building flying techniques use lighter wood reduce weight Light strong cement must Indoor building still use Ambroid cement thinned 50/50 acetone cement use heavier model will will surprised small amount cement will still give good strong joint cannot put pins wooden parts hold place during construction hold parts place means pressure supplied edge piece cardboard can itself pinned building board Wing Cut out cardboard template cutting small triangles out ribs meet wing spars use old laundry soap cartons material templates Cut some 1-in squares scrap left over will used later hold spars place against template sure make template /16-in undersize chord finished wing will oversized always use /32-in spars wings balsa stripper makes spar cutting bit easier can cut good straightedge very sharp razor blade first attempt Indoor start out 6- 6/2-lb wood spars Make 032 x 060 A- B-grain balsa Cut tip spars 032 x 060 tapered 032 square tip Make template cutting ribs like use little thicker cardboard hold onto slice ribs Use 5/2- 6-lb C-grain baisa Make ribs 032 x 032 use pane glass work surface cutting sliced ribs Lay spars up against template use 1-in squares hold place Make sure rib fits snugly enough keep falling over keeps airfoil same along entire span helps minimize warps caused improper fit Let wing dry overnight Cut bevel dihedral break points spars will have good fit Prop up tip 151s-in Make sure side exactly same Let dry overnight 148 Model Aviation Heres original Pieces flown 1980 Nationals Condenser paper covering 12 x 22 prop 85-gram weight Center Pieces its lightest 68 grams configuration microfilm covering shortened wing posts no bracing Right Heres authors complete set cardboard templates old laundry soap cartons used constructing Pieces Try rear motor hook bent-up ena made 013 wire keeps unwound motor falling off flight Left Thrust bearings Top standard dual-type Micro-X bottom made wrapping wire around pin Center Inexpensive transport carrier made storage box Slotted foam rubber blocks hold selection props Right Another view Walts transport box foam rubber blocks props glued boxs sides Precision Aviation Does Again! Dont Miss Out Fun Fly Precision Aviation City Kitty New Competition Class -- Fun Fly Photo Jerry Smith Bob Godfrey City Kitty p 7 c3 5 13995 18995 City Kitty mci Hardware Complete Kit Jig Built Wings City Kitty Built Bones Wing Length47 155 7285 sq Approx Weight 35 lbs Recommended Engine32 46 Instructions Fun Fly City Kitty Instructions Precision Competition Version 112 Fiber Glass Tbbe Fuse Shaped Nylon Landing Gear Computer Radio Required Competition Additional Products Consider Precision Eagle Engines Glow & Ignition 33 42 84 Inline Twin 57 coming Extra 300 Caps T Shirts Sweatshh Precision Aviation Design 1822 6th Ave W Bradenton Fl 34205 Phone 813-747-7006 Fax 813-745-1591 Florida Residents add 7% Sales Tax stab rudder constructed same manner wing Spars stab rudder outline 032 x 032 square cut 5112-lb wood Stab ribs 032 x 032 512-lb C-grain balsa Put piece wax paper building board pin cardboard rudder template down wax paper 032-square wood should soaked hot tap water 10 minutes before bending around template Lay flat board next template carefully pull around shape template Hold place some handy 1-in squares cardboard used wing Let dry overnight tail boom made 512-lb A- B-grain balsa 080 square tapered down about 032 square tip motor stick made piece 6-lb A-grain stock 1/8 x /16 x 9lI4in long Cut sand shape plan Use light dual thrust bearing available favorite Indoor supplier rear motor hook bent 013 wire can glued now sure bend rear hook up end shown plans motor completely unwinds flight little extra bent-up portion will keep motor falling off Glue rudder outline tail boom drying tissue Japanese OU[TED FAN5 REPLACE PIPE PRESSURE WITH RI TO T POWER. WHY NOT REDUCE DRAG BY LEAVING OUT THE EXPENSIVE HIGH DRAG PARTS IN THE EXHAUST DUCT ? LET US SHOW YOU HOW NOT TO LOSE FUEL OUT THE PRESSURE LINE ON ANY SYSTEM MOUNTS THROUGH THE FAN SHROUD WITH SMALL PICK UP INSIDE AND HOSE FITTING OUTSIDE DEVELOPED ON VIOJETT POWERED F86 AND F100 THIS SYSTEM NOW INSTALLED ON ALL MAJOR FAN TYPES tissue similar wing sockets can made Cut tissue strips about 1/4-in wide 1124n long Add few drops water few drops white glue mix Lay strip tissue glue Take 1/16-in drill bit roll tissue around smooth end Very carefully slide tissue tube off drill bit place piece wax paper Let dry completely Covering new lighter plastic covering difficult condenser paper because static electricity used static-charge Continued page 169 FANOSCALE ONSTOCK 3 IJP4EELS IWOONAROWARE 3 OESZGNEO FORVIOJET 3 EPOV GLASS FUSELAGE 3 F100$550 SH VIDEOTAPE MANUAL$20 DEMOTAPE$10FREE PITOTPOWER$8 SSH OFFSETDOOR HINGES 6FOR 58 CALL FOR QUANTITYPRICES USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 503547 0015 November 1992 149 1/4 sc & 30% Precision Extra 300s Zippy AccessorieS & Adhesives Carbon Fibre Propellers & Supergears Plus Shipping & Handling SUNGLASSES k $1195 $2S&H 100% VV Protection Shatterproof Excellent Optical Quality Tints Fit Over Prescriptions SKYS PO BOX 1000 MFRIES VA 22026 800-227-9318 ....From Ato Z. weve got plo ONE PROP TWO PROPS OR NOYOURI FLIGHT PHOTUa Illustrated Catalog $200 sent no charge plans order PRICES INCLUDE UPS SHIPPING CHARGES Fiberglass Components Canopies Available 6-25 Mitchell101 0 Ju-87B Stuka100 .3200 DC-31C-47140 .4200 F4U Corsair93 .3200 PT-17 Steannan77 .2700 P40 Warhawk94.3200 AT-6/SNJ Texan 101 .3200 FaF Bearcat88 .3200 A6M5 Zero91 .3200 Fokker Dr 1 Triplane 63 .2700 Mew Gufl100.3800 Taube semi-scale 88 .2500 Beech D-1 8/C -45 114 .4000 P-51D Mustang100 .3200 P47 Thunderbolt 72 .2500 F9F Panther72 .3400 NICK ZIROLI 29 EDGAR DRIVE SMIThTOWN N Y 11787 ph 5162345038 Pieces/Van Gorder Continued page 149 eliminator called Zerostat 3 break up static charge film Zerostat 3 similar devices available better record stores put wings ajig cover three sections still use Micro-X condenser paper cement very small brush very careful use too much little goes long way trim off excess film use very sharp razor blade also use hand-held 25-watt Weller soldering iron seal film left after first trimming very careful Too much heat can result burned wood film shrinkage small area can cause warps prop first used model 12-in diameter 22-in pitch Take time because good prop crucial part models performance Make cardboard template blade cut two blades 51/2-lb 012 C-grain balsa Lightly sand blades No 600 sandpaper Sand blades direction prop spar made 6-lb 7-lb /8-in square x 6-in-long balsa sanded round 070 center tapering 032 tip done taping full sheet 180-grit sandpaper work Renew 93 board another large sanding block First sand off corners spar Next holding spar sand between two sheets sandpaper using diagonal circular motion spar will come out perfectly round after few strokes same method used making wing posts round Tapering ends prop spar 032 done after getting round tilting sanding block Bob Meuser article June 1977 issue Model Aviation prop shaft made 013 wire bent shape plan After shaft put center spar bend end 900 angle cut off excess Use drop Hot Stuff secure As props get lighter larger can reduce size shaft save weight use guitar string wire small 0 10 Soak blades hot tap water 15 minutes Lay prop form can use can bottle jar jug 5-in 6-in diameter has smooth sides Lay wet blades form 150 left Miter Master * Perfect Truss construction * 900 squaring fence * Triangular adjustable fence Price $1495 Product No 122 center Lash form stretchgauze bandage such Ace bandage just snug enough hold place Put two three strips masking tape around hold everything place put preheated oven 2500 15 20 minutes After everything has cooled down remove blades very carefully building larger lighter props will need longer spar control flare prop tending bend forward under power some suggested spar lengths 13-in prop 7/2-in spar 13/2-in prop 9-in spar 14-in prop 10-in spar Make jig assemble blades hub pitch 450 point 3/2-in center hub very important both blades set exactly same angle So take time right Attach wing posts wing spar shown plans Make sure posts Continued page 172 Miter Sander Sand angle its complement quickly accurately Miter Master solid alder base mounted non-skid pads alder four-way re versible sliding block carries 2 different grits sand paper FOURMOST PRODUCTS 4040 24TH AVE FOREST GROVE OR 97116 503 357-2732 November 1992 169 PLANS NOW AVAILABLE Eaeytobuild WORLD WAR SPAD RED BARON Pedal Planet littie pilot age 3 6 will love tide unique exciting toy Plane complete situ fullaize patterns material jet step-bystep instuciJons color photographa Plans $1495 ea US & Canadal Specify plans desired FL Has add 6% tax Add $300 P & H FANTASY TOYS OG Pines Dlvd suite 188 Pembohe Pines FL S143e-G196 MAStER AIlISCREW Efficient wide tips thinner airfoil sections combine greater thrust noise suppression true tip path G/F K Classic Series made 33% glass-filled nylon strength durability will out-perform wood other plastics water sand & gravel runways Wood Series made lightweight kiln-dried beechwood sizes 9-16 inches & heavier maple 18-24 inch range New 18 inch Classic Series 16 24 engines has semi-scale look excellent performance Available local hobby dealer G/F SERIES black glass-filled nylon8x4 8x6$1 35 55x4 55x45S 999x4 9x5 9x6 9x8 95x6 . 1 55 6x3 6x35 6x49910x6 10x7 10x8175 7x4 7x612511x6 11x7 11x75 11x9.l95 K SERIES m black glass-filled nylon 12x6 12x8$285 13x6 13x8385 44tEmES $U black glass -filled nylon 16x6 16x8 16x10.$795 beechwood maple 9x4 9x5 9x6 9x8 $1 95 10x5 10x6 10x7 10x8225 11x6 11x7 11x8 11x10.255 12x6 12x8 12x9 325 13x6 13x8 13x10 395 14x6 14x8$495 15x8 15x10595 16x6 16x8665 18x6 18x8 18x10$1295 20x6 20x8 20x101495 14x6 14x8 14x10$ 525 16x6 16x8 l6x10895 18x6 18x8 18x101395 20x6 20x8 20x101595 22x8 22x10 22x121795 24x8 24x10 24x121995 172 Model Aviation 4CL SpeedlLee Continued page 133 three flights best157for second Bob Whitney flew twice third 146 Ned Morris Gordon Thomas could get engines started Quite few Jet fliers did enter because troubles fuel going lot testing better mixture large crowd spectators watching us fly D jobs Jets wanted see noisy honkers go 1992 Nationals really fun especially 10% nitro fuel Very few engines damaged ran well turned quite respectable speeds especially enjoyed flying old way started set own engine ran out handle flew Despite cold weather good time banquet Carlos again crowned Top Gun gathering points Bobby Fogg III Junior Champion sad note observed moment silence friends have passed Fred Randel Ted Black Dave Williams wife thanks helped run events * Pieces/Van Gorder Continued page 162 900 wing spars perfect alignment other front-to-rear Attach tall boom rudder assembly motor stick 1/4-in left rudder 1/4-in negative incidence per plan Attach stab t/4-in tilt left turu left side will higher viewed rear model locate CG put prop install loop rubber between prop shaft hook rear hook model weight 10-12 grams use 045 050 rubber model under gram use 040 045 rubber just starting out keep CG 55% 60% wing chord Carefully glue wing post sockets motor stick CG will fall desired percentage wing chord As gain expenence may want try other CG locations have found 70% CG works pretty well lighter models Final Assembly Flying model now ready fly Install wing prop test glide rubber motor Start out zero incidence wing Make several test glides Adjust wing incidence until get smooth -J Construction materials Wooct wheels hardware etc available lumber hardware oudets Sonic parts available ready-made desired Ust indudad situ plant WOOD SERIES See Local Hobby Dealer Master Airscrew Propellers & Accessories WINDSOR PROPELLER COMPANY 3219 MONIER CIRCLE RANCHO CORDOVA CALIFORNIA 95742 glide prop turning slight nose-down attitude model weighs over gram will require motor 045 050 wide rubber 18-in long starting point model weighing around 85 grams will fly 18-in motor 040 045 width have now completed model has proven good flier much duration get will depend upon familiar become afraid change size length motor Record results will soon find combination will just right model have questions concerning construction adjustment Pieces address 5669 Victoryview Lane Cincinnati OH 45233 Please include selfaddressed stamped envelope would like thank people have helped over yearstoo list know Also people graciously give time contests liers Parts Materials Jim Jones 36631 Ledgestone Drive Mt Clemens MI 48043 Micro-X Products PO Box 1063 Lorain OH 44055 Indoor Model Supply Box 5311 Salem OR 97304 Sig Manufacturing Co Inc Montezuma IA 50171 Ray Harlan 15 Happy Hollow Road Wayland MA 01778 Wayne Triven 7408 West Hanna Ave Tampa FL 33615 Secret WeaponlShulman Continued page 168 shape conform fuselage oufline study plan renderings formers 2 3 detail bottom strip ends t/4-in tail section filler dont let worry x /4-in filler will blend tail-section filler assembly has completed area will sanded tapered flow 318-in stringers forming oval section tail Install 1/4 x 31s-in stringers between formers 2 3 associated triangle stock pieces 1/ x /4-in filler pieces see plan Add remaining /4 x 318-in stringers side former 4 tail Note Splice stringers necessary run full-length Vary splice joints opposite other greater strength Glue 31s-in wing saddles adjacent associated stringers fuselage sides Glue wing saddle bolt mount 314-in balsa triangle stock wish use t/s-in sheet balsa perimeter sheeting Fit perimeter sheeting fuselage sides stringers 1/ X 1/4-in triangle stock DIANA Aviatrix 30s onta os Pilot head Jactret Hetnet Goggles Easy semble fiSh latex parts No403 1/3 Scale s1595 No404 114 Scale o 1N4O5 1/5 Scale 6 1/6 Scale s OPtDEIING INSTRUCTIONS See nno deale IistO ode diect add $100 snipping NYS nesidents add 7% Th Che-lnMooeoOde

PIECES REVISITED simple Indoor Easy B model thats AMA National Record holder years author shares construction flying tips U Walt Van Gorder very simple design shorter other Easy B designs hence lighter propeller uses blades bit smaller other ships means another savings weight PIECES built June 1980 just prior FAI Indoor World Champs held old Northrop Institute site West Baden Indiana After FiD competition completed number top international competitors remained day Easy B flying addition top-notch American fliers attendance fly famed Indoor site Against glittering array talent Pieces flew 1910 second fine 1938 flight made Otto Redenburg Editors noteflight duration given minutesseconds particular model covered condenser paper used 12 x 22 prop weighed 85 grams details building flying model appeared January 1982 issue Model Aviation have copy issue interested reading will copy article send 50 stamped self-addressed envelope Various rules changes since time have made possible cover Easy B Mylar use wood bracing structure Using changes incorporating building refinements resulted model weighing 745 grams flew amazing 2558 airship hangar Lakehurst New Jersey Since model got up 130 140 feet came down turns remaining rubber motor am sure greater flights come can get bit altitude keys success Pieces Refinements Four small wooden wing braces made possible use very light Mylar-covered wing addition wing posts shortened 1 118-in no ill effects performance wing moved forward 1/2 put center-of-gravity CG 70% wing chord resulted slower-moving model experience models covered Mylar fly faster models covered condenser paper Tip dihedral lowered l/4 1/s producing wingspan 1/16 short 18 allowed rules wing posts moved l16 146 Model Aviation version Pieces old re-covered wing bracing struts Prop 14-in diameter Total model weight mere 745 grams Left The author older note wooden bracing struts wing spars wing posts version Pieces Center author 1980 Pieces Note high wing posts condenser paper covering flying surfaces Right can store things top transport box Foam rubber blocks keep soft grip motor sticks 1 Wing span ready fly 17-15/16 2 Wing chord 2-31/32 1/32 andersize flat part wing Wing posts moved Offset 3/16""t.~ Old location Wing ribs 032 032 Main spars 032 5 062 Wing braced record flight 2558 span Simple wood bracing 2-1/2 long 2 LE. 2 TE lip spars 032 062 tapered 032 v032 3/16 offset post location 2-1/21 No center rib1-17/32 Slab spars 032 032Stab ribs 032 032 Win ib template U Wing moved 1/2 forward adjust C/G sher mylar covering ased opan 12 _________ Wing posts have shortened 1-1/8 long June 1988 CG Wing posts 1/16 roand ue wing sockets Motor stick 3/16 tapered 101/8 front rear Motor slick 125 thick tapered 1/16 front rear Prop Template Prop size 12 diameter 22 pilch blades 012 thick Used 14 273 pitch prop tsr Cst IV record Ilight 9-2-91 Rudder outline 032 032 Prop spar 070 round tapered 032 tip4 1/4 T Tail boom 080 sq tapered 032 sq tip/ 1/4 Wing post locations_____ moved forward 1/2 June 188817-15/16 span June 1988 il boom offset 1/4 tsr left tarn 1-5/8 Notef Tip dihedral reduced 1-5/8 Jane 1988 __________I Span now 1715/16 Tip dihedral012 Simple wood bracingIII SCALE ININCHES PIECES3/4 stub tilt2 LE 2 TE EASY-BWing braces 2 1/2 longCAT III West Baden 2206 wing span Model heavier wing no braces wt 77 grams DESIGNED AND DRAWN BY026 deep 020 thinckCAT IV Lake Hurst NJ 2558 wing span Model lighter braced wing 45 grams WALTER VAN GORDER6 lb wood right previous location permit model fly larger circle Most Indoor fliers will agree propeller heart good flying model some great flights 1990 US Indoor Champs using 13 x 27 prop Editors note 13 x 27 means 13-in diameter pitch of27 038 rubber finished second very pleased high hopes flying Lakehurst Experimenting 14 x 29 prop Lakehurst disappointment 1991 USIC disaster 13-in prop used 1990 destroyed rubber motors exploded during winding forced use 14-in prop could job An 11thplace finish got thinking about ways get back winners circle 14 x 29 propellers pitch reduced 273 Using tan rubber reworked 14-in prop set new Category IV record 2415 returned Lakehurst another try bettering record weather cooler used tan rubber fly 2415 Because model would climb beyond 60 feet switched Pirelli rubber performs better cooler temperatures As mentioned before best flight 2558 opinion rubber very temperature-sensitive am fortunate have some Pirelli black PAl rubber addition tan Finding right type rubber given temperature just important having right width rubber motor Construction Before beginning construction part article want pass some information will improve Easy B flying times objective build model light canbut careful important build well-aligned model free mber1992 147 f 2-7/1 6 Left Four props Pieces Diameters bottom up 12 13 13112 14 inches Right Author Van Gorder takes assortment props contests diameters 12-13 pitches 22-24 warps will fly consistently As become familiar model can begin concerned saving weight wherever possible Keeping record flight utmost importance minimum flight record should show type rubber used hatch its length width need know number turns used motor torque wound flight turns remaining motor end flight altitude achieved prop used flight duration record temperature humidity time day anything else might have some effect flight Studying records home after contest flying session can tell lot about model certain ground rules building superlight model type As mentioned article weight wood used build model merely starting point As progress building flying techniques use lighter wood reduce weight Light strong cement must Indoor building still use Ambroid cement thinned 50/50 acetone cement use heavier model will will surprised small amount cement will still give good strong joint cannot put pins wooden parts hold place during construction hold parts place means pressure supplied edge piece cardboard can itself pinned building board Wing Cut out cardboard template cutting small triangles out ribs meet wing spars use old laundry soap cartons material templates Cut some 1-in squares scrap left over will used later hold spars place against template sure make template /16-in undersize chord finished wing will oversized always use /32-in spars wings balsa stripper makes spar cutting bit easier can cut good straightedge very sharp razor blade first attempt Indoor start out 6- 6/2-lb wood spars Make 032 x 060 A- B-grain balsa Cut tip spars 032 x 060 tapered 032 square tip Make template cutting ribs like use little thicker cardboard hold onto slice ribs Use 5/2- 6-lb C-grain baisa Make ribs 032 x 032 use pane glass work surface cutting sliced ribs Lay spars up against template use 1-in squares hold place Make sure rib fits snugly enough keep falling over keeps airfoil same along entire span helps minimize warps caused improper fit Let wing dry overnight Cut bevel dihedral break points spars will have good fit Prop up tip 151s-in Make sure side exactly same Let dry overnight 148 Model Aviation Heres original Pieces flown 1980 Nationals Condenser paper covering 12 x 22 prop 85-gram weight Center Pieces its lightest 68 grams configuration microfilm covering shortened wing posts no bracing Right Heres authors complete set cardboard templates old laundry soap cartons used constructing Pieces Try rear motor hook bent-up ena made 013 wire keeps unwound motor falling off flight Left Thrust bearings Top standard dual-type Micro-X bottom made wrapping wire around pin Center Inexpensive transport carrier made storage box Slotted foam rubber blocks hold selection props Right Another view Walts transport box foam rubber blocks props glued boxs sides Precision Aviation Does Again! Dont Miss Out Fun Fly Precision Aviation City Kitty New Competition Class -- Fun Fly Photo Jerry Smith Bob Godfrey City Kitty p 7 c3 5 13995 18995 City Kitty mci Hardware Complete Kit Jig Built Wings City Kitty Built Bones Wing Length47 155 7285 sq Approx Weight 35 lbs Recommended Engine32 46 Instructions Fun Fly City Kitty Instructions Precision Competition Version 112 Fiber Glass Tbbe Fuse Shaped Nylon Landing Gear Computer Radio Required Competition Additional Products Consider Precision Eagle Engines Glow & Ignition 33 42 84 Inline Twin 57 coming Extra 300 Caps T Shirts Sweatshh Precision Aviation Design 1822 6th Ave W Bradenton Fl 34205 Phone 813-747-7006 Fax 813-745-1591 Florida Residents add 7% Sales Tax stab rudder constructed same manner wing Spars stab rudder outline 032 x 032 square cut 5112-lb wood Stab ribs 032 x 032 512-lb C-grain balsa Put piece wax paper building board pin cardboard rudder template down wax paper 032-square wood should soaked hot tap water 10 minutes before bending around template Lay flat board next template carefully pull around shape template Hold place some handy 1-in squares cardboard used wing Let dry overnight tail boom made 512-lb A- B-grain balsa 080 square tapered down about 032 square tip motor stick made piece 6-lb A-grain stock 1/8 x /16 x 9lI4in long Cut sand shape plan Use light dual thrust bearing available favorite Indoor supplier rear motor hook bent 013 wire can glued now sure bend rear hook up end shown plans motor completely unwinds flight little extra bent-up portion will keep motor falling off Glue rudder outline tail boom drying tissue Japanese OU[TED FAN5 REPLACE PIPE PRESSURE WITH RI TO T POWER. WHY NOT REDUCE DRAG BY LEAVING OUT THE EXPENSIVE HIGH DRAG PARTS IN THE EXHAUST DUCT ? LET US SHOW YOU HOW NOT TO LOSE FUEL OUT THE PRESSURE LINE ON ANY SYSTEM MOUNTS THROUGH THE FAN SHROUD WITH SMALL PICK UP INSIDE AND HOSE FITTING OUTSIDE DEVELOPED ON VIOJETT POWERED F86 AND F100 THIS SYSTEM NOW INSTALLED ON ALL MAJOR FAN TYPES tissue similar wing sockets can made Cut tissue strips about 1/4-in wide 1124n long Add few drops water few drops white glue mix Lay strip tissue glue Take 1/16-in drill bit roll tissue around smooth end Very carefully slide tissue tube off drill bit place piece wax paper Let dry completely Covering new lighter plastic covering difficult condenser paper because static electricity used static-charge Continued page 169 FANOSCALE ONSTOCK 3 IJP4EELS IWOONAROWARE 3 OESZGNEO FORVIOJET 3 EPOV GLASS FUSELAGE 3 F100$550 SH VIDEOTAPE MANUAL$20 DEMOTAPE$10FREE PITOTPOWER$8 SSH OFFSETDOOR HINGES 6FOR 58 CALL FOR QUANTITYPRICES USHER ENTERPRISES INC 1017 SE FRONTAGE RD BOX 511 NORTH PLAINS OR 97133 503547 0015 November 1992 149 1/4 sc & 30% Precision Extra 300s Zippy AccessorieS & Adhesives Carbon Fibre Propellers & Supergears Plus Shipping & Handling SUNGLASSES k $1195 $2S&H 100% VV Protection Shatterproof Excellent Optical Quality Tints Fit Over Prescriptions SKYS PO BOX 1000 MFRIES VA 22026 800-227-9318 ....From Ato Z. weve got plo ONE PROP TWO PROPS OR NOYOURI FLIGHT PHOTUa Illustrated Catalog $200 sent no charge plans order PRICES INCLUDE UPS SHIPPING CHARGES Fiberglass Components Canopies Available 6-25 Mitchell101 0 Ju-87B Stuka100 .3200 DC-31C-47140 .4200 F4U Corsair93 .3200 PT-17 Steannan77 .2700 P40 Warhawk94.3200 AT-6/SNJ Texan 101 .3200 FaF Bearcat88 .3200 A6M5 Zero91 .3200 Fokker Dr 1 Triplane 63 .2700 Mew Gufl100.3800 Taube semi-scale 88 .2500 Beech D-1 8/C -45 114 .4000 P-51D Mustang100 .3200 P47 Thunderbolt 72 .2500 F9F Panther72 .3400 NICK ZIROLI 29 EDGAR DRIVE SMIThTOWN N Y 11787 ph 5162345038 Pieces/Van Gorder Continued page 149 eliminator called Zerostat 3 break up static charge film Zerostat 3 similar devices available better record stores put wings ajig cover three sections still use Micro-X condenser paper cement very small brush very careful use too much little goes long way trim off excess film use very sharp razor blade also use hand-held 25-watt Weller soldering iron seal film left after first trimming very careful Too much heat can result burned wood film shrinkage small area can cause warps prop first used model 12-in diameter 22-in pitch Take time because good prop crucial part models performance Make cardboard template blade cut two blades 51/2-lb 012 C-grain balsa Lightly sand blades No 600 sandpaper Sand blades direction prop spar made 6-lb 7-lb /8-in square x 6-in-long balsa sanded round 070 center tapering 032 tip done taping full sheet 180-grit sandpaper work Renew 93 board another large sanding block First sand off corners spar Next holding spar sand between two sheets sandpaper using diagonal circular motion spar will come out perfectly round after few strokes same method used making wing posts round Tapering ends prop spar 032 done after getting round tilting sanding block Bob Meuser article June 1977 issue Model Aviation prop shaft made 013 wire bent shape plan After shaft put center spar bend end 900 angle cut off excess Use drop Hot Stuff secure As props get lighter larger can reduce size shaft save weight use guitar string wire small 0 10 Soak blades hot tap water 15 minutes Lay prop form can use can bottle jar jug 5-in 6-in diameter has smooth sides Lay wet blades form 150 left Miter Master * Perfect Truss construction * 900 squaring fence * Triangular adjustable fence Price $1495 Product No 122 center Lash form stretchgauze bandage such Ace bandage just snug enough hold place Put two three strips masking tape around hold everything place put preheated oven 2500 15 20 minutes After everything has cooled down remove blades very carefully building larger lighter props will need longer spar control flare prop tending bend forward under power some suggested spar lengths 13-in prop 7/2-in spar 13/2-in prop 9-in spar 14-in prop 10-in spar Make jig assemble blades hub pitch 450 point 3/2-in center hub very important both blades set exactly same angle So take time right Attach wing posts wing spar shown plans Make sure posts Continued page 172 Miter Sander Sand angle its complement quickly accurately Miter Master solid alder base mounted non-skid pads alder four-way re versible sliding block carries 2 different grits sand paper FOURMOST PRODUCTS 4040 24TH AVE FOREST GROVE OR 97116 503 357-2732 November 1992 169 PLANS NOW AVAILABLE Eaeytobuild WORLD WAR SPAD RED BARON Pedal Planet littie pilot age 3 6 will love tide unique exciting toy Plane complete situ fullaize patterns material jet step-bystep instuciJons color photographa Plans $1495 ea US & Canadal Specify plans desired FL Has add 6% tax Add $300 P & H FANTASY TOYS OG Pines Dlvd suite 188 Pembohe Pines FL S143e-G196 MAStER AIlISCREW Efficient wide tips thinner airfoil sections combine greater thrust noise suppression true tip path G/F K Classic Series made 33% glass-filled nylon strength durability will out-perform wood other plastics water sand & gravel runways Wood Series made lightweight kiln-dried beechwood sizes 9-16 inches & heavier maple 18-24 inch range New 18 inch Classic Series 16 24 engines has semi-scale look excellent performance Available local hobby dealer G/F SERIES black glass-filled nylon8x4 8x6$1 35 55x4 55x45S 999x4 9x5 9x6 9x8 95x6 . 1 55 6x3 6x35 6x49910x6 10x7 10x8175 7x4 7x612511x6 11x7 11x75 11x9.l95 K SERIES m black glass-filled nylon 12x6 12x8$285 13x6 13x8385 44tEmES $U black glass -filled nylon 16x6 16x8 16x10.$795 beechwood maple 9x4 9x5 9x6 9x8 $1 95 10x5 10x6 10x7 10x8225 11x6 11x7 11x8 11x10.255 12x6 12x8 12x9 325 13x6 13x8 13x10 395 14x6 14x8$495 15x8 15x10595 16x6 16x8665 18x6 18x8 18x10$1295 20x6 20x8 20x101495 14x6 14x8 14x10$ 525 16x6 16x8 l6x10895 18x6 18x8 18x101395 20x6 20x8 20x101595 22x8 22x10 22x121795 24x8 24x10 24x121995 172 Model Aviation 4CL SpeedlLee Continued page 133 three flights best157for second Bob Whitney flew twice third 146 Ned Morris Gordon Thomas could get engines started Quite few Jet fliers did enter because troubles fuel going lot testing better mixture large crowd spectators watching us fly D jobs Jets wanted see noisy honkers go 1992 Nationals really fun especially 10% nitro fuel Very few engines damaged ran well turned quite respectable speeds especially enjoyed flying old way started set own engine ran out handle flew Despite cold weather good time banquet Carlos again crowned Top Gun gathering points Bobby Fogg III Junior Champion sad note observed moment silence friends have passed Fred Randel Ted Black Dave Williams wife thanks helped run events * Pieces/Van Gorder Continued page 162 900 wing spars perfect alignment other front-to-rear Attach tall boom rudder assembly motor stick 1/4-in left rudder 1/4-in negative incidence per plan Attach stab t/4-in tilt left turu left side will higher viewed rear model locate CG put prop install loop rubber between prop shaft hook rear hook model weight 10-12 grams use 045 050 rubber model under gram use 040 045 rubber just starting out keep CG 55% 60% wing chord Carefully glue wing post sockets motor stick CG will fall desired percentage wing chord As gain expenence may want try other CG locations have found 70% CG works pretty well lighter models Final Assembly Flying model now ready fly Install wing prop test glide rubber motor Start out zero incidence wing Make several test glides Adjust wing incidence until get smooth -J Construction materials Wooct wheels hardware etc available lumber hardware oudets Sonic parts available ready-made desired Ust indudad situ plant WOOD SERIES See Local Hobby Dealer Master Airscrew Propellers & Accessories WINDSOR PROPELLER COMPANY 3219 MONIER CIRCLE RANCHO CORDOVA CALIFORNIA 95742 glide prop turning slight nose-down attitude model weighs over gram will require motor 045 050 wide rubber 18-in long starting point model weighing around 85 grams will fly 18-in motor 040 045 width have now completed model has proven good flier much duration get will depend upon familiar become afraid change size length motor Record results will soon find combination will just right model have questions concerning construction adjustment Pieces address 5669 Victoryview Lane Cincinnati OH 45233 Please include selfaddressed stamped envelope would like thank people have helped over yearstoo list know Also people graciously give time contests liers Parts Materials Jim Jones 36631 Ledgestone Drive Mt Clemens MI 48043 Micro-X Products PO Box 1063 Lorain OH 44055 Indoor Model Supply Box 5311 Salem OR 97304 Sig Manufacturing Co Inc Montezuma IA 50171 Ray Harlan 15 Happy Hollow Road Wayland MA 01778 Wayne Triven 7408 West Hanna Ave Tampa FL 33615 Secret WeaponlShulman Continued page 168 shape conform fuselage oufline study plan renderings formers 2 3 detail bottom strip ends t/4-in tail section filler dont let worry x /4-in filler will blend tail-section filler assembly has completed area will sanded tapered flow 318-in stringers forming oval section tail Install 1/4 x 31s-in stringers between formers 2 3 associated triangle stock pieces 1/ x /4-in filler pieces see plan Add remaining /4 x 318-in stringers side former 4 tail Note Splice stringers necessary run full-length Vary splice joints opposite other greater strength Glue 31s-in wing saddles adjacent associated stringers fuselage sides Glue wing saddle bolt mount 314-in balsa triangle stock wish use t/s-in sheet balsa perimeter sheeting Fit perimeter sheeting fuselage sides stringers 1/ X 1/4-in triangle stock DIANA Aviatrix 30s onta os Pilot head Jactret Hetnet Goggles Easy semble fiSh latex parts No403 1/3 Scale s1595 No404 114 Scale o 1N4O5 1/5 Scale 6 1/6 Scale s OPtDEIING INSTRUCTIONS See nno deale IistO ode diect add $100 snipping NYS nesidents add 7% Th Che-lnMooeoOde