LAST MONTH discussed fuselage jigs semiscale models techniques certainly applicable other aircraft well column also promised comment conventional crutch-and-block approach Just reiterate Taking time proper alignment pays hig dividends building compare amount time necessary accurate alignment total time necessary entire building project can easily see really dont have alternative ensure good-flying plane time should use appropriate jig align assemblies Its difficultit really nothing developing mindset getting crutch fuselage object construct crutch symmetrical about centerline thrust line wing centerline stab centerline parallel Lets make assumption convenience Well use top sides reference alignment No mind bender very few builders use other approaches unless its necessary achieve particular profile Next lay out cut out sides paying particular attention reference lines mentioned should noted balsa does move develop stress relief changes make wing cutouts top will probably bow just will cut bottom edge Accept now well deal later Laminate plywood doublers get ready assemble mounts some easily made assumptions will get deep trouble Check motor mount material carefully Because going use top edge along fuselage edge alignment reference material should straight parallel edges mounts will also determine thrust line engine now must decide method assembling mounts will flat mounting surface will true accept engine time make commitment certain front-end pieces fit snugly correctly June1992 75 LThx Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Bill Richs new SV-1 1 really looks good hes already got working well 61 oz should killer plane powered Randy Smith SuperTigre 60 good plane deserves another chance Frank McMillans 1981 model shown undergoing modifications accept OPS 40 power tuned pipe setup Contionued page 163 Dick Byrons new Big D handle available both standard deluxe versions See text further details ordering information really old-time Stunt ship Yates Stearman fuselage has under constructionfor five yearsusing foam block method described last month SHOP TASK Original Home Machine Shop Designed USA Shoptask use plywood tee inserted glued slots cut leading edge fuselage tee strengthens fuselage-wing joint also helps end cracking fuel seepage due engine vibration thickness ply tee should determined size both model leading edge material lower sketch details clean method mounting profile landing gear As sketch shows hole drilled fuselage proper angle appropriate length dowel grooved accept formed wire landing gear unit glued hole fuselage gear mounting leaves no wire bindings fittings fuselage sides eliminates interference between tank mounts landing gear since profile fuselage can up inch thick its strength should adequate type mount word caution method gear mounting might adequate aircraft landing gear extending fuselage wouldnt look right aircraft gear mounted wing As Bob Furr reminds us follow what documentation shows Aviation Heritage Books SunShine House has just made available two-volume set Paul Matis Scale Airplane Drawings volumes contain over 325 pages three-view drawings 124 types airplanes highly detailed drawing accurate working print dimensions specifications airfoils cross sections templates color schemes included two books provide excellent source three-view drawings 8 1/2 x 11-in format just right Scale model documentation needs drawings part collection internationally acclaimed Historical Album Paul Matt addition drawings book contains several detailed photos two-volume set includes drawings Golden Age WW WW II classic modern erasincluding some popular obscure airplanes ever produced softbound volumes sell $2495 plus shipping charges $350 books may ordered SunShine House Inc PO Box 2065 Terre Haute IN 47802 call 1-800-999-0141 Workshop hintsaw extension Sketch B shows quick easy way make X-Acto keyhole saw extension handle Take suitable length 3/s-in birch dowel slot end depth about one-half inch use No 15 saw blade cutting slot will have snug fit Insert blade slot wrap thread glue well light coating five-minute epoxy will fine simple tool ideal reaching fuselage other hard-to-reach parts model under construction cut away unwanted balsa piece flexible tubing slipped over saw makes excellent safety sheath item found Wing Tips newsletter Mid-Hudson Modelmasters work Jim Kamin club VP super cartoonist Please send ideas notice upcoming CL Scale events contest reports especially photos CL Scale activity address shown top column erobaticslMcMillan Continued page 75 Another necessity deal point engine mounting plate simple addition can add significantly life span plane Possible approaches include 1/i-in aluminum plate linen phenolic epoxy board choice has linen phenolic because its easily cut shaped accepts glue well addition doesnt transfer heat exceptionally durable mounting plates U-shaped extend side mount across piece motor mount material AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $500BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In * Computer Designed 3 Axis Control * Part 103 Ultralight Easy Construction 0 Wood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 June 1992 163 SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes tull line ot parts accessories plus full time ROSSI REPAIR CENTER US SIG-im ported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922Toll Free Orders 800-247-5008 plot aIrfoils dot matrix printer FOILED_AGAIN! o PLOT AIRFOILS IN ANY CHORD UP TO 24 INCHES MODIFY THICKNESS CAMBER & TRAILING EDGE PLOT SKIN ThICKNESS FOR SHEKED WINGS ENTER DATA EASILY VIA INTELLIGENr EDITOR USER-FRIENDLY MENU-DRIVEN OPERATION INCLUDES 50 AIRFOIL FILES 26-PAGE USER MANUAL $4500 Omn ,dw pIm,,cIos lu,I,I bk 0 US$55 qIn iOMPqfl*T ft,PSIU cmp55ndd4,s555d, GI npu,r & pA,, pe ,h, 0d,hg pciy SW 033 dik Sd chfi inoq ,d a, CYGNET Software619 792-8021 3525 Del Mar Heights #23Th San Diego 92130 other side After drilling mounting holes assemble plate mounts slow-setting epoxy bolt engine permanently align system should also bridge gap between mounts aft main firewall cross-grained t12-in balsa will help maintain true alignment rigidity Next glue fuselage sides doublers mount crutch long flat surface crutch flat side upright Now must establish alignment proper taper/shape First lay out reference points table case straight taper sides wing leading edge rear fuselage reference points can limited centerline firewall moment locations minimum affix basic fuselage work surface start installing formers digress little building surface t/4-in plate glass alignment layout marked sheet cork under glass plate glass shimmed flat playing cards prior final alignment tack glued components glass hold place Once sides glued surface alignment start adding formers Make sure formers square building surface might consider using angled formers front-to-back get geodetic effect dont use method instead use crossed 1/8 x t14-in inserts between formers top bottom strips tension soft light wood perfectly acceptable case keep sides vertical right angle templates install formers case fuselage slightly altered top view profile align assembly adding Is-in sheet balsa plate between fuselage sides leading edge wing rear sheet has shape want sides take Tack sheet building surface aligned noted above continue previous approach Build basic fuselage way up through cross stringers including entire nose section need now WOR 5 MO 06 HENMO Ofl0PtVIOEONOOt7050IL0 [ I/ SO SO 37 Drnov Cnrc lAce AU Onoght Cots F4U 15 Coo J546 irony 56 Siondord 31 Ct 29 Waco Tapet-Aing 36 ground Cysandro 35 0008 0-46-A Oboe 29 Boring 506 Sport 33 Scm Triinior 39 Lock Lig6tngP38 39 Cot P36nFLghco 25 0gm Cot 0261/A 38 Con Coils PDY5o 19 Coriios NC-A * 17 0064cr 07 Pit 31 Boylos CeoAce 13 Soperoorint 566 36 Cr00 CoiEAonA 35 CocA ClocirOr 11 43 CrAm ovongor 42 Ann 6110 PlyForm 36 Sn MiiAOo1l 825 34 MocciCoscnlRC72 37 Cot Nony SO3C1 25 CAncor A3C1 42 34 Song Tronop OC-3 33 Coot Hook P6C B 32 iLooiimilos 0011 31 60 P46344 P126 32 SprEld BollOng 32 Llnoord IAol3Siko 34 Tuonoro 664 Rocor 35 600 Molligon 33 P264 Coo 6n 35 Scinonn CA SO 42 66 Mosqolco BnmC 37 50000000 FTCl * 43 N 614 Widow PAl 30 CAMS Hobo Ton13 42 C6e61d1vr162C4 26 Pond Trisoot 441 31 Oollonco Air 605 33 Croon J2F Dock 27 C nooAooA P7C-1 26 516 AopOiS S36 16 6Pge 0400 6000 31 Clndyo CSitios 31 Oeoaed bocPoto 36 C SoocOsA F9C2 33 Aronoco C-i Spi 36 Toonoro P000007 03 Uclooc Filer 132966 209203092660945I * 215163252465936I669252oooTlL 2292232493065945 15S1A22492045934166146 90962 2591636o924759361009521. 2392434932A8$46j~ 1591622492A45936IAO94iI9Uc962 3093045936905A2-12O975l-1 279193992676945so,c-*164915269205693Loi2956 16S2027926540944179SSA1081b6 52946765b06 04996694569 14 1122151604 530.2 84 949 11491217182143593247940 70956 159102218913444926609381H9 152 14951421491643 236SCALE PLUNS 275254193255536Lock 0104 546 34526AO93660952Food 3M 4oT60 5194077952Dot 607C 165 36493755952S 625 262 15491523922404935Moc 0 626 62 19910264924579365000 0 106 42 1111516492033530HodlyPogo 65 47940 71950no DC3 64 154$OS234922479449 49 12491716492237935A9946 74956 65916229920444932594944 69956 6349462092l4093253544 60958 10496265491530926~ 62-945 139121949163912652o9 76952 169652349204793264944 94956 14915219264293263945 64956 7049163141254294562955123166 3799244193561-955446965/ 624492249934~98Y59 3394049495099975 1o4913214916 15925374935 18936 57548414972 32 $224693096 952 1949262994056 $5576266 15591623492447 93663 950190 965 36 934 54 9421~6~3 50 94505 s~T 21 91631s92263 936 109121591530930 60942 1249151992236935t0I5CH 76956 169142711453s926 1sO940 12491676492037934019061 74950 204S66304124604336 . * 3/8SCALRI1/32SIZEIPLAN * M,Aooe 04, $1000 00 SURE TO Ann THE USUAL S * AVAILABLE AP ONE DOLLAR * 0% P00 PACKAGING POST- o UNDER THE 1/5 SCALE AGE ANt INSUOUNCE--ABOAT ICES FOB ALL DESIGNS * THOUSAND AOOITIONAL PLANS SIZES U 128 0 080 CATALOC $270 00 PRICOLIST ALONE SI NONE P00001 010 FOOEIGN POC CAN 6 MEn $3g Oco E 716 001 3600 anode uPpy L9SOSEDE100ITAVENOECLEVELANOO67044I021 55i$0no0~J pop fuselage off glass long blade structure will straight rigid will straight rigid until cut out pieces bottom order install wing Now nice straight top reference becomes bit wobbly Before put wing fuselage recheck alignment lines centerline wing trailing edge line stab trailing edge line Position fuselage over centerline cutouts wing stab appropriate locations Recheck alignment tack glue fuselage place Drop wing check fit its right position trailing edge Continued page 166 can letter mu model Simple BCDE SSbt6wea Pressure Sensitive Water Transfer mayor decals 11 sizes 11 great colors NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST IONGMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-719 164 Model Aviation SHIPPING & HANDLING UPS Ground Continental us $495 UPS Air & Parcol Post $495 plus 10% Subtotal Continental US UPS Next Oay Air $1400 plus $100 per lb Shipment tolal 000 add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal3 TYPHOON state-of-the art design pattern competition Plug-in adjustable wing stab panels Light weight balsa construction Plans 909 sq 1000 sq us versions show formers ribs Wing area909 sqin/1000 sqin Wing span n/73 1/2 Length n/71 1/2 Power- 120 four stroke 60 two stroke Plana-909 sq versiontwo sheets$1495 Plana-1000 sqin versiontwo sheets$1495 Fiberglass cowl$1895 Clear canoov$1495 PLUG-IN ADJUSTABLE STAB KIT Set includes two glass filled nylon adjusters aluminum tube phenolic socket set Provides easy removal stab panels micro adjustment stab incidence$895 WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Special slip fit phenolic sockets build wing panels includ edThree standard sizes avail able special lengths order 718 dts x 2 ftprecision fit$1095 1 1/4diax2ft$995 1 1/2 dia x 3 ft$1495 PLUG-IN WING ADJUSTER KIT Set includes two glass filled nylon adjusters key wing panel front rear allow make micro adjustments straight flight Order two sets incidence adjustment both wing panels desiredS795 5Provides solid support accurate building 5Rugged construction 7 ply aircraft plywood 5Regular fuselages up 6-1/4 wide Jumbo fuselages up 9-1/4 wide 5Use own building board work bench base mount jig stations Uni-Strut guide rails versatile set-up Contains complete hardware instructions Box 4 Standard Jig Stations$1995 Box 4 Jumbo Jig Stations$2195 Two 5 ft Guide Rails & mounting nuts$2295 over alignment marks Before glue wing place check centerline marks leading trailing edges certain equal height above building surface properly located fuselage crutch checking sounds like lot effort want plane fly Glue wing add bottom pieces bracing can get now Before lift structure glass confirm have measured wing stab centerline marks using flat building surface reference Since fuselage top flat surface glued wing has remained flat true Get procedure down youre well way great-flying plane New items Got note Dick Byron Scale team fame announcing Big D handle comes two versions standard version $1895 deluxe $2395 made solid walnut Line spacing adjustable offset line length handle comes complete required safety thong Contact Dick 2310 Citrus Lane Arlington TX 76014 telephone 817 461-7705 PLANS NOW AVAILABLE Easy-to-build WORLD WAR SPAD RED BARON Pedal Planes Yaw litule p4lOt age 3 6 will lose ibis unique exciting toy Tech tip Ive talked about fillets previous columns youve tried front row finish before chances good youve experienced infamous bubbling Bill Rich just shared some recent experiences latest super finish trying reflect what caused lifting problems After done everything usually does used Epoxolite fillets followed nitrate dope bonding gray auto primer smoothing blending fillet Basically use same procedure So did problem occur Bill theorized perhaps trouble caused oil fingers felt fillets during finishing perhaps using too much paint some coats Actually feeling hes right counts times fillets lift its something minor foils So have very careful 1 Never touch fillets hands Use tissue wipe off dust clean carefully degreaser between coats dope 2 Dont let paint build up too thick 3 Avoid temptation lay heavy coats Continued page 168 responding advertisers mention read about ModelAviation 166 Model Aviation DIANA Aviatrix 30s Contains Pilot head Jacket Helmet Goggles Easy assemble sad tisish latex parts No403 1/3 Scale a1595 No404 1/4 Scale 995 rNO405 1/5 Scale r 895 No406 16 Scale 795 CL AerobatioslMoMflian Continued page 164 FUSELAGE JIG STATIONS Plans completa win full-size patterns material Iis stap4iystep instiiiciions color photographs Include $350/Item S&HFL Residents Add 6% Tax GATOR R/C PRODUCTS INC 3713 Pompano Dr Pensacola FL 32514 Phone 904 494-0203 Fax 904 494-0207 j Constructon materials Wood wheels hardware eta available lumbar hardware outlets Some perte available ready-made desired List induded wit plans Plans *1495 ius & Canadal Specify plans desired FL Ras add 6% isa Add $300 P ft H FANTASY TOYS D6 Pines Blvd Suite 188 Pembroke Pines fL 3ll4 [3OS]43-S1SG WHY SHOULD BUY GLOBEE GLOW PLUGS - Gb Bee PUDIIQ philosophy. P ewloerrimnce tacts Fuet combustion chamber must reach certain temperature ignite temperature often found center coil conventional spiral wound coil temperature found inside ptug body tuet combustion chanter GloBee ptugs Itat colt tutty exposed chamr atl times ignition temperature always optimum location efficient combustion gives engine laster ignition higher RPM. power higher tuet etficiency Durability ees glass metal seal design uses exotic glass materials whiclr absorb heat coil redudng chance ot meltdown Also unique coil alloy stronger exceptionaty pure results plug wilt outlast other market today ualily ee plug hand-tested before leaving tactory best-in-theindustry materials will let e WHEN SHOULD BUY Per 0 GOO -MAK Th dO5 c0e4ECTrO~ Totndoel GloBeelugarrgtlttsryse sisfiyoaltysporcaftorynurFflEEGlsBeeRym Twinn-K lnc W 139th Stiuet Cleveland OH 44135 Phone 216-433-1998 CL Aerobatics/McMiIIan ContInued page 166 Finally congratulations Phil Granderson assuming responsibility editing PAMPA newsletter Great job first issue Join us PAMPA contact Tom Morris 1019 Creek Trail Anniston AL 36206 avy Carrier/Perry Continued page 76 slider moveable rudder rear mounting position control system ensure line slider will move aft released Fuels fuel Navy Carrier modelers burn varies much models fly Some modelers use very high percentages nitromethane ultimate performance others choose lower amounts accepting slight reduction engine output lower cost easier availability better engine performance idle Ill discuss some reasons using fuels CENTURY @ JET MODELS INC 8 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 up 2 DOwn Compatible sir system Dim 3/8 sis 1-1/4 $2495 WI 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans instructions Intake/Eshaust System usc F-100 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchief basic kit $23900 v P&H Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available list some sources precautions higher nitro fuels fuels used Nationals Carrier contestants represent reasonable sampling what use around country About third Nationals contestants specified fuel formulas indicated use least 60% nitromethane another third specified 40% nitro rest use lower amounts Most contestants use commercial fuels some mixed order using formula specified customer rest purchase components mix own fuel Engines produce power burning fuel heats expands gasses mostly air cylinder nature combustion process controlled factors including humidity glow plug combustion chamber geometry Compression ratio pressure combustion chamber time combustion major factors influencing combustion primary factor fuel-to-air mixture combustion chamber Mixture factor over have control modifying engine Fuels higher percentages nitromethane produce power generating heat burned COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREE Complete Air System Stainless Torque Links Installed Different strut configurations s Service 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircrah 2 sets 1 Standard 9Q0 minutes 700 1100 retract angle Over-center lock down Nose gear available $27500 pair v P&H Wt 15 lbs SCALE MAIN RLIHALI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 91 Plyon Winners Handles 20-25 lb aircrah 840970 retract angle Positive lock up lock down Optional wire struts * Nose gear available $19900 pair v P&H Wt 22 oz products proudly MADE IN THE LISA optimum mixture effect pronounced standard commercial engines because compression ratio engines lower optimum Manufacturers set compression ratios lower make engines easier average modeler handle prolong engine life reduce potential damaging engine through mishandling make glow plugs last longer characteristics make customers happy happy customers good business Fuels little nitromethane produce optimum power relatively high compression ratios As nitromethane content increases optimum compression ratio decreases Higher nitro fuels produce rather noticeable performance increases commercial engines since compression ratios low compression ratios optimum type fuel performance differentials less hard draw comparisons because differences model line specifications well fuel look records FAI Speed no nitromethane allowed AMAs Speed event 80% nitromethane uncommon shows nearly identical performance good FAI Speed engine cant burn nitromethane fuel because compression ratio too high leaves us two alternatives increased performance can modify engines increase compression ratio FIX IT YOURSELF 4 Easy use Save Money Save Time As low $995 sY write CallSmithy Dept 516 1 -800-345-6342Lathe l 30238 2nd Street Ask operatorai 6Thu Dalles OR 97058 168 Model Aviation je forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMSf CaRa Products P0 Box 221 on SD 57013 605 9875924 Wi Nra 9 12 2-7 Central Time ii SASE information ers inquiries invited Continued page 170
Edition: Model Aviation - 1992/06
Page Numbers: 75, 163, 164, 166, 168
LAST MONTH discussed fuselage jigs semiscale models techniques certainly applicable other aircraft well column also promised comment conventional crutch-and-block approach Just reiterate Taking time proper alignment pays hig dividends building compare amount time necessary accurate alignment total time necessary entire building project can easily see really dont have alternative ensure good-flying plane time should use appropriate jig align assemblies Its difficultit really nothing developing mindset getting crutch fuselage object construct crutch symmetrical about centerline thrust line wing centerline stab centerline parallel Lets make assumption convenience Well use top sides reference alignment No mind bender very few builders use other approaches unless its necessary achieve particular profile Next lay out cut out sides paying particular attention reference lines mentioned should noted balsa does move develop stress relief changes make wing cutouts top will probably bow just will cut bottom edge Accept now well deal later Laminate plywood doublers get ready assemble mounts some easily made assumptions will get deep trouble Check motor mount material carefully Because going use top edge along fuselage edge alignment reference material should straight parallel edges mounts will also determine thrust line engine now must decide method assembling mounts will flat mounting surface will true accept engine time make commitment certain front-end pieces fit snugly correctly June1992 75 LThx Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Bill Richs new SV-1 1 really looks good hes already got working well 61 oz should killer plane powered Randy Smith SuperTigre 60 good plane deserves another chance Frank McMillans 1981 model shown undergoing modifications accept OPS 40 power tuned pipe setup Contionued page 163 Dick Byrons new Big D handle available both standard deluxe versions See text further details ordering information really old-time Stunt ship Yates Stearman fuselage has under constructionfor five yearsusing foam block method described last month SHOP TASK Original Home Machine Shop Designed USA Shoptask use plywood tee inserted glued slots cut leading edge fuselage tee strengthens fuselage-wing joint also helps end cracking fuel seepage due engine vibration thickness ply tee should determined size both model leading edge material lower sketch details clean method mounting profile landing gear As sketch shows hole drilled fuselage proper angle appropriate length dowel grooved accept formed wire landing gear unit glued hole fuselage gear mounting leaves no wire bindings fittings fuselage sides eliminates interference between tank mounts landing gear since profile fuselage can up inch thick its strength should adequate type mount word caution method gear mounting might adequate aircraft landing gear extending fuselage wouldnt look right aircraft gear mounted wing As Bob Furr reminds us follow what documentation shows Aviation Heritage Books SunShine House has just made available two-volume set Paul Matis Scale Airplane Drawings volumes contain over 325 pages three-view drawings 124 types airplanes highly detailed drawing accurate working print dimensions specifications airfoils cross sections templates color schemes included two books provide excellent source three-view drawings 8 1/2 x 11-in format just right Scale model documentation needs drawings part collection internationally acclaimed Historical Album Paul Matt addition drawings book contains several detailed photos two-volume set includes drawings Golden Age WW WW II classic modern erasincluding some popular obscure airplanes ever produced softbound volumes sell $2495 plus shipping charges $350 books may ordered SunShine House Inc PO Box 2065 Terre Haute IN 47802 call 1-800-999-0141 Workshop hintsaw extension Sketch B shows quick easy way make X-Acto keyhole saw extension handle Take suitable length 3/s-in birch dowel slot end depth about one-half inch use No 15 saw blade cutting slot will have snug fit Insert blade slot wrap thread glue well light coating five-minute epoxy will fine simple tool ideal reaching fuselage other hard-to-reach parts model under construction cut away unwanted balsa piece flexible tubing slipped over saw makes excellent safety sheath item found Wing Tips newsletter Mid-Hudson Modelmasters work Jim Kamin club VP super cartoonist Please send ideas notice upcoming CL Scale events contest reports especially photos CL Scale activity address shown top column erobaticslMcMillan Continued page 75 Another necessity deal point engine mounting plate simple addition can add significantly life span plane Possible approaches include 1/i-in aluminum plate linen phenolic epoxy board choice has linen phenolic because its easily cut shaped accepts glue well addition doesnt transfer heat exceptionally durable mounting plates U-shaped extend side mount across piece motor mount material AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $500BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In * Computer Designed 3 Axis Control * Part 103 Ultralight Easy Construction 0 Wood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 June 1992 163 SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes tull line ot parts accessories plus full time ROSSI REPAIR CENTER US SIG-im ported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922Toll Free Orders 800-247-5008 plot aIrfoils dot matrix printer FOILED_AGAIN! o PLOT AIRFOILS IN ANY CHORD UP TO 24 INCHES MODIFY THICKNESS CAMBER & TRAILING EDGE PLOT SKIN ThICKNESS FOR SHEKED WINGS ENTER DATA EASILY VIA INTELLIGENr EDITOR USER-FRIENDLY MENU-DRIVEN OPERATION INCLUDES 50 AIRFOIL FILES 26-PAGE USER MANUAL $4500 Omn ,dw pIm,,cIos lu,I,I bk 0 US$55 qIn iOMPqfl*T ft,PSIU cmp55ndd4,s555d, GI npu,r & pA,, pe ,h, 0d,hg pciy SW 033 dik Sd chfi inoq ,d a, CYGNET Software619 792-8021 3525 Del Mar Heights #23Th San Diego 92130 other side After drilling mounting holes assemble plate mounts slow-setting epoxy bolt engine permanently align system should also bridge gap between mounts aft main firewall cross-grained t12-in balsa will help maintain true alignment rigidity Next glue fuselage sides doublers mount crutch long flat surface crutch flat side upright Now must establish alignment proper taper/shape First lay out reference points table case straight taper sides wing leading edge rear fuselage reference points can limited centerline firewall moment locations minimum affix basic fuselage work surface start installing formers digress little building surface t/4-in plate glass alignment layout marked sheet cork under glass plate glass shimmed flat playing cards prior final alignment tack glued components glass hold place Once sides glued surface alignment start adding formers Make sure formers square building surface might consider using angled formers front-to-back get geodetic effect dont use method instead use crossed 1/8 x t14-in inserts between formers top bottom strips tension soft light wood perfectly acceptable case keep sides vertical right angle templates install formers case fuselage slightly altered top view profile align assembly adding Is-in sheet balsa plate between fuselage sides leading edge wing rear sheet has shape want sides take Tack sheet building surface aligned noted above continue previous approach Build basic fuselage way up through cross stringers including entire nose section need now WOR 5 MO 06 HENMO Ofl0PtVIOEONOOt7050IL0 [ I/ SO SO 37 Drnov Cnrc lAce AU Onoght Cots F4U 15 Coo J546 irony 56 Siondord 31 Ct 29 Waco Tapet-Aing 36 ground Cysandro 35 0008 0-46-A Oboe 29 Boring 506 Sport 33 Scm Triinior 39 Lock Lig6tngP38 39 Cot P36nFLghco 25 0gm Cot 0261/A 38 Con Coils PDY5o 19 Coriios NC-A * 17 0064cr 07 Pit 31 Boylos CeoAce 13 Soperoorint 566 36 Cr00 CoiEAonA 35 CocA ClocirOr 11 43 CrAm ovongor 42 Ann 6110 PlyForm 36 Sn MiiAOo1l 825 34 MocciCoscnlRC72 37 Cot Nony SO3C1 25 CAncor A3C1 42 34 Song Tronop OC-3 33 Coot Hook P6C B 32 iLooiimilos 0011 31 60 P46344 P126 32 SprEld BollOng 32 Llnoord IAol3Siko 34 Tuonoro 664 Rocor 35 600 Molligon 33 P264 Coo 6n 35 Scinonn CA SO 42 66 Mosqolco BnmC 37 50000000 FTCl * 43 N 614 Widow PAl 30 CAMS Hobo Ton13 42 C6e61d1vr162C4 26 Pond Trisoot 441 31 Oollonco Air 605 33 Croon J2F Dock 27 C nooAooA P7C-1 26 516 AopOiS S36 16 6Pge 0400 6000 31 Clndyo CSitios 31 Oeoaed bocPoto 36 C SoocOsA F9C2 33 Aronoco C-i Spi 36 Toonoro P000007 03 Uclooc Filer 132966 209203092660945I * 215163252465936I669252oooTlL 2292232493065945 15S1A22492045934166146 90962 2591636o924759361009521. 2392434932A8$46j~ 1591622492A45936IAO94iI9Uc962 3093045936905A2-12O975l-1 279193992676945so,c-*164915269205693Loi2956 16S2027926540944179SSA1081b6 52946765b06 04996694569 14 1122151604 530.2 84 949 11491217182143593247940 70956 159102218913444926609381H9 152 14951421491643 236SCALE PLUNS 275254193255536Lock 0104 546 34526AO93660952Food 3M 4oT60 5194077952Dot 607C 165 36493755952S 625 262 15491523922404935Moc 0 626 62 19910264924579365000 0 106 42 1111516492033530HodlyPogo 65 47940 71950no DC3 64 154$OS234922479449 49 12491716492237935A9946 74956 65916229920444932594944 69956 6349462092l4093253544 60958 10496265491530926~ 62-945 139121949163912652o9 76952 169652349204793264944 94956 14915219264293263945 64956 7049163141254294562955123166 3799244193561-955446965/ 624492249934~98Y59 3394049495099975 1o4913214916 15925374935 18936 57548414972 32 $224693096 952 1949262994056 $5576266 15591623492447 93663 950190 965 36 934 54 9421~6~3 50 94505 s~T 21 91631s92263 936 109121591530930 60942 1249151992236935t0I5CH 76956 169142711453s926 1sO940 12491676492037934019061 74950 204S66304124604336 . * 3/8SCALRI1/32SIZEIPLAN * M,Aooe 04, $1000 00 SURE TO Ann THE USUAL S * AVAILABLE AP ONE DOLLAR * 0% P00 PACKAGING POST- o UNDER THE 1/5 SCALE AGE ANt INSUOUNCE--ABOAT ICES FOB ALL DESIGNS * THOUSAND AOOITIONAL PLANS SIZES U 128 0 080 CATALOC $270 00 PRICOLIST ALONE SI NONE P00001 010 FOOEIGN POC CAN 6 MEn $3g Oco E 716 001 3600 anode uPpy L9SOSEDE100ITAVENOECLEVELANOO67044I021 55i$0no0~J pop fuselage off glass long blade structure will straight rigid will straight rigid until cut out pieces bottom order install wing Now nice straight top reference becomes bit wobbly Before put wing fuselage recheck alignment lines centerline wing trailing edge line stab trailing edge line Position fuselage over centerline cutouts wing stab appropriate locations Recheck alignment tack glue fuselage place Drop wing check fit its right position trailing edge Continued page 166 can letter mu model Simple BCDE SSbt6wea Pressure Sensitive Water Transfer mayor decals 11 sizes 11 great colors NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST IONGMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-719 164 Model Aviation SHIPPING & HANDLING UPS Ground Continental us $495 UPS Air & Parcol Post $495 plus 10% Subtotal Continental US UPS Next Oay Air $1400 plus $100 per lb Shipment tolal 000 add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal3 TYPHOON state-of-the art design pattern competition Plug-in adjustable wing stab panels Light weight balsa construction Plans 909 sq 1000 sq us versions show formers ribs Wing area909 sqin/1000 sqin Wing span n/73 1/2 Length n/71 1/2 Power- 120 four stroke 60 two stroke Plana-909 sq versiontwo sheets$1495 Plana-1000 sqin versiontwo sheets$1495 Fiberglass cowl$1895 Clear canoov$1495 PLUG-IN ADJUSTABLE STAB KIT Set includes two glass filled nylon adjusters aluminum tube phenolic socket set Provides easy removal stab panels micro adjustment stab incidence$895 WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Special slip fit phenolic sockets build wing panels includ edThree standard sizes avail able special lengths order 718 dts x 2 ftprecision fit$1095 1 1/4diax2ft$995 1 1/2 dia x 3 ft$1495 PLUG-IN WING ADJUSTER KIT Set includes two glass filled nylon adjusters key wing panel front rear allow make micro adjustments straight flight Order two sets incidence adjustment both wing panels desiredS795 5Provides solid support accurate building 5Rugged construction 7 ply aircraft plywood 5Regular fuselages up 6-1/4 wide Jumbo fuselages up 9-1/4 wide 5Use own building board work bench base mount jig stations Uni-Strut guide rails versatile set-up Contains complete hardware instructions Box 4 Standard Jig Stations$1995 Box 4 Jumbo Jig Stations$2195 Two 5 ft Guide Rails & mounting nuts$2295 over alignment marks Before glue wing place check centerline marks leading trailing edges certain equal height above building surface properly located fuselage crutch checking sounds like lot effort want plane fly Glue wing add bottom pieces bracing can get now Before lift structure glass confirm have measured wing stab centerline marks using flat building surface reference Since fuselage top flat surface glued wing has remained flat true Get procedure down youre well way great-flying plane New items Got note Dick Byron Scale team fame announcing Big D handle comes two versions standard version $1895 deluxe $2395 made solid walnut Line spacing adjustable offset line length handle comes complete required safety thong Contact Dick 2310 Citrus Lane Arlington TX 76014 telephone 817 461-7705 PLANS NOW AVAILABLE Easy-to-build WORLD WAR SPAD RED BARON Pedal Planes Yaw litule p4lOt age 3 6 will lose ibis unique exciting toy Tech tip Ive talked about fillets previous columns youve tried front row finish before chances good youve experienced infamous bubbling Bill Rich just shared some recent experiences latest super finish trying reflect what caused lifting problems After done everything usually does used Epoxolite fillets followed nitrate dope bonding gray auto primer smoothing blending fillet Basically use same procedure So did problem occur Bill theorized perhaps trouble caused oil fingers felt fillets during finishing perhaps using too much paint some coats Actually feeling hes right counts times fillets lift its something minor foils So have very careful 1 Never touch fillets hands Use tissue wipe off dust clean carefully degreaser between coats dope 2 Dont let paint build up too thick 3 Avoid temptation lay heavy coats Continued page 168 responding advertisers mention read about ModelAviation 166 Model Aviation DIANA Aviatrix 30s Contains Pilot head Jacket Helmet Goggles Easy assemble sad tisish latex parts No403 1/3 Scale a1595 No404 1/4 Scale 995 rNO405 1/5 Scale r 895 No406 16 Scale 795 CL AerobatioslMoMflian Continued page 164 FUSELAGE JIG STATIONS Plans completa win full-size patterns material Iis stap4iystep instiiiciions color photographs Include $350/Item S&HFL Residents Add 6% Tax GATOR R/C PRODUCTS INC 3713 Pompano Dr Pensacola FL 32514 Phone 904 494-0203 Fax 904 494-0207 j Constructon materials Wood wheels hardware eta available lumbar hardware outlets Some perte available ready-made desired List induded wit plans Plans *1495 ius & Canadal Specify plans desired FL Ras add 6% isa Add $300 P ft H FANTASY TOYS D6 Pines Blvd Suite 188 Pembroke Pines fL 3ll4 [3OS]43-S1SG WHY SHOULD BUY GLOBEE GLOW PLUGS - Gb Bee PUDIIQ philosophy. P ewloerrimnce tacts Fuet combustion chamber must reach certain temperature ignite temperature often found center coil conventional spiral wound coil temperature found inside ptug body tuet combustion chanter GloBee ptugs Itat colt tutty exposed chamr atl times ignition temperature always optimum location efficient combustion gives engine laster ignition higher RPM. power higher tuet etficiency Durability ees glass metal seal design uses exotic glass materials whiclr absorb heat coil redudng chance ot meltdown Also unique coil alloy stronger exceptionaty pure results plug wilt outlast other market today ualily ee plug hand-tested before leaving tactory best-in-theindustry materials will let e WHEN SHOULD BUY Per 0 GOO -MAK Th dO5 c0e4ECTrO~ Totndoel GloBeelugarrgtlttsryse sisfiyoaltysporcaftorynurFflEEGlsBeeRym Twinn-K lnc W 139th Stiuet Cleveland OH 44135 Phone 216-433-1998 CL Aerobatics/McMiIIan ContInued page 166 Finally congratulations Phil Granderson assuming responsibility editing PAMPA newsletter Great job first issue Join us PAMPA contact Tom Morris 1019 Creek Trail Anniston AL 36206 avy Carrier/Perry Continued page 76 slider moveable rudder rear mounting position control system ensure line slider will move aft released Fuels fuel Navy Carrier modelers burn varies much models fly Some modelers use very high percentages nitromethane ultimate performance others choose lower amounts accepting slight reduction engine output lower cost easier availability better engine performance idle Ill discuss some reasons using fuels CENTURY @ JET MODELS INC 8 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 up 2 DOwn Compatible sir system Dim 3/8 sis 1-1/4 $2495 WI 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans instructions Intake/Eshaust System usc F-100 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchief basic kit $23900 v P&H Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available list some sources precautions higher nitro fuels fuels used Nationals Carrier contestants represent reasonable sampling what use around country About third Nationals contestants specified fuel formulas indicated use least 60% nitromethane another third specified 40% nitro rest use lower amounts Most contestants use commercial fuels some mixed order using formula specified customer rest purchase components mix own fuel Engines produce power burning fuel heats expands gasses mostly air cylinder nature combustion process controlled factors including humidity glow plug combustion chamber geometry Compression ratio pressure combustion chamber time combustion major factors influencing combustion primary factor fuel-to-air mixture combustion chamber Mixture factor over have control modifying engine Fuels higher percentages nitromethane produce power generating heat burned COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREE Complete Air System Stainless Torque Links Installed Different strut configurations s Service 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircrah 2 sets 1 Standard 9Q0 minutes 700 1100 retract angle Over-center lock down Nose gear available $27500 pair v P&H Wt 15 lbs SCALE MAIN RLIHALI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 91 Plyon Winners Handles 20-25 lb aircrah 840970 retract angle Positive lock up lock down Optional wire struts * Nose gear available $19900 pair v P&H Wt 22 oz products proudly MADE IN THE LISA optimum mixture effect pronounced standard commercial engines because compression ratio engines lower optimum Manufacturers set compression ratios lower make engines easier average modeler handle prolong engine life reduce potential damaging engine through mishandling make glow plugs last longer characteristics make customers happy happy customers good business Fuels little nitromethane produce optimum power relatively high compression ratios As nitromethane content increases optimum compression ratio decreases Higher nitro fuels produce rather noticeable performance increases commercial engines since compression ratios low compression ratios optimum type fuel performance differentials less hard draw comparisons because differences model line specifications well fuel look records FAI Speed no nitromethane allowed AMAs Speed event 80% nitromethane uncommon shows nearly identical performance good FAI Speed engine cant burn nitromethane fuel because compression ratio too high leaves us two alternatives increased performance can modify engines increase compression ratio FIX IT YOURSELF 4 Easy use Save Money Save Time As low $995 sY write CallSmithy Dept 516 1 -800-345-6342Lathe l 30238 2nd Street Ask operatorai 6Thu Dalles OR 97058 168 Model Aviation je forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMSf CaRa Products P0 Box 221 on SD 57013 605 9875924 Wi Nra 9 12 2-7 Central Time ii SASE information ers inquiries invited Continued page 170
Edition: Model Aviation - 1992/06
Page Numbers: 75, 163, 164, 166, 168
LAST MONTH discussed fuselage jigs semiscale models techniques certainly applicable other aircraft well column also promised comment conventional crutch-and-block approach Just reiterate Taking time proper alignment pays hig dividends building compare amount time necessary accurate alignment total time necessary entire building project can easily see really dont have alternative ensure good-flying plane time should use appropriate jig align assemblies Its difficultit really nothing developing mindset getting crutch fuselage object construct crutch symmetrical about centerline thrust line wing centerline stab centerline parallel Lets make assumption convenience Well use top sides reference alignment No mind bender very few builders use other approaches unless its necessary achieve particular profile Next lay out cut out sides paying particular attention reference lines mentioned should noted balsa does move develop stress relief changes make wing cutouts top will probably bow just will cut bottom edge Accept now well deal later Laminate plywood doublers get ready assemble mounts some easily made assumptions will get deep trouble Check motor mount material carefully Because going use top edge along fuselage edge alignment reference material should straight parallel edges mounts will also determine thrust line engine now must decide method assembling mounts will flat mounting surface will true accept engine time make commitment certain front-end pieces fit snugly correctly June1992 75 LThx Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Bill Richs new SV-1 1 really looks good hes already got working well 61 oz should killer plane powered Randy Smith SuperTigre 60 good plane deserves another chance Frank McMillans 1981 model shown undergoing modifications accept OPS 40 power tuned pipe setup Contionued page 163 Dick Byrons new Big D handle available both standard deluxe versions See text further details ordering information really old-time Stunt ship Yates Stearman fuselage has under constructionfor five yearsusing foam block method described last month SHOP TASK Original Home Machine Shop Designed USA Shoptask use plywood tee inserted glued slots cut leading edge fuselage tee strengthens fuselage-wing joint also helps end cracking fuel seepage due engine vibration thickness ply tee should determined size both model leading edge material lower sketch details clean method mounting profile landing gear As sketch shows hole drilled fuselage proper angle appropriate length dowel grooved accept formed wire landing gear unit glued hole fuselage gear mounting leaves no wire bindings fittings fuselage sides eliminates interference between tank mounts landing gear since profile fuselage can up inch thick its strength should adequate type mount word caution method gear mounting might adequate aircraft landing gear extending fuselage wouldnt look right aircraft gear mounted wing As Bob Furr reminds us follow what documentation shows Aviation Heritage Books SunShine House has just made available two-volume set Paul Matis Scale Airplane Drawings volumes contain over 325 pages three-view drawings 124 types airplanes highly detailed drawing accurate working print dimensions specifications airfoils cross sections templates color schemes included two books provide excellent source three-view drawings 8 1/2 x 11-in format just right Scale model documentation needs drawings part collection internationally acclaimed Historical Album Paul Matt addition drawings book contains several detailed photos two-volume set includes drawings Golden Age WW WW II classic modern erasincluding some popular obscure airplanes ever produced softbound volumes sell $2495 plus shipping charges $350 books may ordered SunShine House Inc PO Box 2065 Terre Haute IN 47802 call 1-800-999-0141 Workshop hintsaw extension Sketch B shows quick easy way make X-Acto keyhole saw extension handle Take suitable length 3/s-in birch dowel slot end depth about one-half inch use No 15 saw blade cutting slot will have snug fit Insert blade slot wrap thread glue well light coating five-minute epoxy will fine simple tool ideal reaching fuselage other hard-to-reach parts model under construction cut away unwanted balsa piece flexible tubing slipped over saw makes excellent safety sheath item found Wing Tips newsletter Mid-Hudson Modelmasters work Jim Kamin club VP super cartoonist Please send ideas notice upcoming CL Scale events contest reports especially photos CL Scale activity address shown top column erobaticslMcMillan Continued page 75 Another necessity deal point engine mounting plate simple addition can add significantly life span plane Possible approaches include 1/i-in aluminum plate linen phenolic epoxy board choice has linen phenolic because its easily cut shaped accepts glue well addition doesnt transfer heat exceptionally durable mounting plates U-shaped extend side mount across piece motor mount material AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $500BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In * Computer Designed 3 Axis Control * Part 103 Ultralight Easy Construction 0 Wood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 June 1992 163 SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes tull line ot parts accessories plus full time ROSSI REPAIR CENTER US SIG-im ported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922Toll Free Orders 800-247-5008 plot aIrfoils dot matrix printer FOILED_AGAIN! o PLOT AIRFOILS IN ANY CHORD UP TO 24 INCHES MODIFY THICKNESS CAMBER & TRAILING EDGE PLOT SKIN ThICKNESS FOR SHEKED WINGS ENTER DATA EASILY VIA INTELLIGENr EDITOR USER-FRIENDLY MENU-DRIVEN OPERATION INCLUDES 50 AIRFOIL FILES 26-PAGE USER MANUAL $4500 Omn ,dw pIm,,cIos lu,I,I bk 0 US$55 qIn iOMPqfl*T ft,PSIU cmp55ndd4,s555d, GI npu,r & pA,, pe ,h, 0d,hg pciy SW 033 dik Sd chfi inoq ,d a, CYGNET Software619 792-8021 3525 Del Mar Heights #23Th San Diego 92130 other side After drilling mounting holes assemble plate mounts slow-setting epoxy bolt engine permanently align system should also bridge gap between mounts aft main firewall cross-grained t12-in balsa will help maintain true alignment rigidity Next glue fuselage sides doublers mount crutch long flat surface crutch flat side upright Now must establish alignment proper taper/shape First lay out reference points table case straight taper sides wing leading edge rear fuselage reference points can limited centerline firewall moment locations minimum affix basic fuselage work surface start installing formers digress little building surface t/4-in plate glass alignment layout marked sheet cork under glass plate glass shimmed flat playing cards prior final alignment tack glued components glass hold place Once sides glued surface alignment start adding formers Make sure formers square building surface might consider using angled formers front-to-back get geodetic effect dont use method instead use crossed 1/8 x t14-in inserts between formers top bottom strips tension soft light wood perfectly acceptable case keep sides vertical right angle templates install formers case fuselage slightly altered top view profile align assembly adding Is-in sheet balsa plate between fuselage sides leading edge wing rear sheet has shape want sides take Tack sheet building surface aligned noted above continue previous approach Build basic fuselage way up through cross stringers including entire nose section need now WOR 5 MO 06 HENMO Ofl0PtVIOEONOOt7050IL0 [ I/ SO SO 37 Drnov Cnrc lAce AU Onoght Cots F4U 15 Coo J546 irony 56 Siondord 31 Ct 29 Waco Tapet-Aing 36 ground Cysandro 35 0008 0-46-A Oboe 29 Boring 506 Sport 33 Scm Triinior 39 Lock Lig6tngP38 39 Cot P36nFLghco 25 0gm Cot 0261/A 38 Con Coils PDY5o 19 Coriios NC-A * 17 0064cr 07 Pit 31 Boylos CeoAce 13 Soperoorint 566 36 Cr00 CoiEAonA 35 CocA ClocirOr 11 43 CrAm ovongor 42 Ann 6110 PlyForm 36 Sn MiiAOo1l 825 34 MocciCoscnlRC72 37 Cot Nony SO3C1 25 CAncor A3C1 42 34 Song Tronop OC-3 33 Coot Hook P6C B 32 iLooiimilos 0011 31 60 P46344 P126 32 SprEld BollOng 32 Llnoord IAol3Siko 34 Tuonoro 664 Rocor 35 600 Molligon 33 P264 Coo 6n 35 Scinonn CA SO 42 66 Mosqolco BnmC 37 50000000 FTCl * 43 N 614 Widow PAl 30 CAMS Hobo Ton13 42 C6e61d1vr162C4 26 Pond Trisoot 441 31 Oollonco Air 605 33 Croon J2F Dock 27 C nooAooA P7C-1 26 516 AopOiS S36 16 6Pge 0400 6000 31 Clndyo CSitios 31 Oeoaed bocPoto 36 C SoocOsA F9C2 33 Aronoco C-i Spi 36 Toonoro P000007 03 Uclooc Filer 132966 209203092660945I * 215163252465936I669252oooTlL 2292232493065945 15S1A22492045934166146 90962 2591636o924759361009521. 2392434932A8$46j~ 1591622492A45936IAO94iI9Uc962 3093045936905A2-12O975l-1 279193992676945so,c-*164915269205693Loi2956 16S2027926540944179SSA1081b6 52946765b06 04996694569 14 1122151604 530.2 84 949 11491217182143593247940 70956 159102218913444926609381H9 152 14951421491643 236SCALE PLUNS 275254193255536Lock 0104 546 34526AO93660952Food 3M 4oT60 5194077952Dot 607C 165 36493755952S 625 262 15491523922404935Moc 0 626 62 19910264924579365000 0 106 42 1111516492033530HodlyPogo 65 47940 71950no DC3 64 154$OS234922479449 49 12491716492237935A9946 74956 65916229920444932594944 69956 6349462092l4093253544 60958 10496265491530926~ 62-945 139121949163912652o9 76952 169652349204793264944 94956 14915219264293263945 64956 7049163141254294562955123166 3799244193561-955446965/ 624492249934~98Y59 3394049495099975 1o4913214916 15925374935 18936 57548414972 32 $224693096 952 1949262994056 $5576266 15591623492447 93663 950190 965 36 934 54 9421~6~3 50 94505 s~T 21 91631s92263 936 109121591530930 60942 1249151992236935t0I5CH 76956 169142711453s926 1sO940 12491676492037934019061 74950 204S66304124604336 . * 3/8SCALRI1/32SIZEIPLAN * M,Aooe 04, $1000 00 SURE TO Ann THE USUAL S * AVAILABLE AP ONE DOLLAR * 0% P00 PACKAGING POST- o UNDER THE 1/5 SCALE AGE ANt INSUOUNCE--ABOAT ICES FOB ALL DESIGNS * THOUSAND AOOITIONAL PLANS SIZES U 128 0 080 CATALOC $270 00 PRICOLIST ALONE SI NONE P00001 010 FOOEIGN POC CAN 6 MEn $3g Oco E 716 001 3600 anode uPpy L9SOSEDE100ITAVENOECLEVELANOO67044I021 55i$0no0~J pop fuselage off glass long blade structure will straight rigid will straight rigid until cut out pieces bottom order install wing Now nice straight top reference becomes bit wobbly Before put wing fuselage recheck alignment lines centerline wing trailing edge line stab trailing edge line Position fuselage over centerline cutouts wing stab appropriate locations Recheck alignment tack glue fuselage place Drop wing check fit its right position trailing edge Continued page 166 can letter mu model Simple BCDE SSbt6wea Pressure Sensitive Water Transfer mayor decals 11 sizes 11 great colors NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST IONGMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-719 164 Model Aviation SHIPPING & HANDLING UPS Ground Continental us $495 UPS Air & Parcol Post $495 plus 10% Subtotal Continental US UPS Next Oay Air $1400 plus $100 per lb Shipment tolal 000 add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal3 TYPHOON state-of-the art design pattern competition Plug-in adjustable wing stab panels Light weight balsa construction Plans 909 sq 1000 sq us versions show formers ribs Wing area909 sqin/1000 sqin Wing span n/73 1/2 Length n/71 1/2 Power- 120 four stroke 60 two stroke Plana-909 sq versiontwo sheets$1495 Plana-1000 sqin versiontwo sheets$1495 Fiberglass cowl$1895 Clear canoov$1495 PLUG-IN ADJUSTABLE STAB KIT Set includes two glass filled nylon adjusters aluminum tube phenolic socket set Provides easy removal stab panels micro adjustment stab incidence$895 WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Special slip fit phenolic sockets build wing panels includ edThree standard sizes avail able special lengths order 718 dts x 2 ftprecision fit$1095 1 1/4diax2ft$995 1 1/2 dia x 3 ft$1495 PLUG-IN WING ADJUSTER KIT Set includes two glass filled nylon adjusters key wing panel front rear allow make micro adjustments straight flight Order two sets incidence adjustment both wing panels desiredS795 5Provides solid support accurate building 5Rugged construction 7 ply aircraft plywood 5Regular fuselages up 6-1/4 wide Jumbo fuselages up 9-1/4 wide 5Use own building board work bench base mount jig stations Uni-Strut guide rails versatile set-up Contains complete hardware instructions Box 4 Standard Jig Stations$1995 Box 4 Jumbo Jig Stations$2195 Two 5 ft Guide Rails & mounting nuts$2295 over alignment marks Before glue wing place check centerline marks leading trailing edges certain equal height above building surface properly located fuselage crutch checking sounds like lot effort want plane fly Glue wing add bottom pieces bracing can get now Before lift structure glass confirm have measured wing stab centerline marks using flat building surface reference Since fuselage top flat surface glued wing has remained flat true Get procedure down youre well way great-flying plane New items Got note Dick Byron Scale team fame announcing Big D handle comes two versions standard version $1895 deluxe $2395 made solid walnut Line spacing adjustable offset line length handle comes complete required safety thong Contact Dick 2310 Citrus Lane Arlington TX 76014 telephone 817 461-7705 PLANS NOW AVAILABLE Easy-to-build WORLD WAR SPAD RED BARON Pedal Planes Yaw litule p4lOt age 3 6 will lose ibis unique exciting toy Tech tip Ive talked about fillets previous columns youve tried front row finish before chances good youve experienced infamous bubbling Bill Rich just shared some recent experiences latest super finish trying reflect what caused lifting problems After done everything usually does used Epoxolite fillets followed nitrate dope bonding gray auto primer smoothing blending fillet Basically use same procedure So did problem occur Bill theorized perhaps trouble caused oil fingers felt fillets during finishing perhaps using too much paint some coats Actually feeling hes right counts times fillets lift its something minor foils So have very careful 1 Never touch fillets hands Use tissue wipe off dust clean carefully degreaser between coats dope 2 Dont let paint build up too thick 3 Avoid temptation lay heavy coats Continued page 168 responding advertisers mention read about ModelAviation 166 Model Aviation DIANA Aviatrix 30s Contains Pilot head Jacket Helmet Goggles Easy assemble sad tisish latex parts No403 1/3 Scale a1595 No404 1/4 Scale 995 rNO405 1/5 Scale r 895 No406 16 Scale 795 CL AerobatioslMoMflian Continued page 164 FUSELAGE JIG STATIONS Plans completa win full-size patterns material Iis stap4iystep instiiiciions color photographs Include $350/Item S&HFL Residents Add 6% Tax GATOR R/C PRODUCTS INC 3713 Pompano Dr Pensacola FL 32514 Phone 904 494-0203 Fax 904 494-0207 j Constructon materials Wood wheels hardware eta available lumbar hardware outlets Some perte available ready-made desired List induded wit plans Plans *1495 ius & Canadal Specify plans desired FL Ras add 6% isa Add $300 P ft H FANTASY TOYS D6 Pines Blvd Suite 188 Pembroke Pines fL 3ll4 [3OS]43-S1SG WHY SHOULD BUY GLOBEE GLOW PLUGS - Gb Bee PUDIIQ philosophy. P ewloerrimnce tacts Fuet combustion chamber must reach certain temperature ignite temperature often found center coil conventional spiral wound coil temperature found inside ptug body tuet combustion chanter GloBee ptugs Itat colt tutty exposed chamr atl times ignition temperature always optimum location efficient combustion gives engine laster ignition higher RPM. power higher tuet etficiency Durability ees glass metal seal design uses exotic glass materials whiclr absorb heat coil redudng chance ot meltdown Also unique coil alloy stronger exceptionaty pure results plug wilt outlast other market today ualily ee plug hand-tested before leaving tactory best-in-theindustry materials will let e WHEN SHOULD BUY Per 0 GOO -MAK Th dO5 c0e4ECTrO~ Totndoel GloBeelugarrgtlttsryse sisfiyoaltysporcaftorynurFflEEGlsBeeRym Twinn-K lnc W 139th Stiuet Cleveland OH 44135 Phone 216-433-1998 CL Aerobatics/McMiIIan ContInued page 166 Finally congratulations Phil Granderson assuming responsibility editing PAMPA newsletter Great job first issue Join us PAMPA contact Tom Morris 1019 Creek Trail Anniston AL 36206 avy Carrier/Perry Continued page 76 slider moveable rudder rear mounting position control system ensure line slider will move aft released Fuels fuel Navy Carrier modelers burn varies much models fly Some modelers use very high percentages nitromethane ultimate performance others choose lower amounts accepting slight reduction engine output lower cost easier availability better engine performance idle Ill discuss some reasons using fuels CENTURY @ JET MODELS INC 8 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 up 2 DOwn Compatible sir system Dim 3/8 sis 1-1/4 $2495 WI 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans instructions Intake/Eshaust System usc F-100 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchief basic kit $23900 v P&H Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available list some sources precautions higher nitro fuels fuels used Nationals Carrier contestants represent reasonable sampling what use around country About third Nationals contestants specified fuel formulas indicated use least 60% nitromethane another third specified 40% nitro rest use lower amounts Most contestants use commercial fuels some mixed order using formula specified customer rest purchase components mix own fuel Engines produce power burning fuel heats expands gasses mostly air cylinder nature combustion process controlled factors including humidity glow plug combustion chamber geometry Compression ratio pressure combustion chamber time combustion major factors influencing combustion primary factor fuel-to-air mixture combustion chamber Mixture factor over have control modifying engine Fuels higher percentages nitromethane produce power generating heat burned COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREE Complete Air System Stainless Torque Links Installed Different strut configurations s Service 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircrah 2 sets 1 Standard 9Q0 minutes 700 1100 retract angle Over-center lock down Nose gear available $27500 pair v P&H Wt 15 lbs SCALE MAIN RLIHALI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 91 Plyon Winners Handles 20-25 lb aircrah 840970 retract angle Positive lock up lock down Optional wire struts * Nose gear available $19900 pair v P&H Wt 22 oz products proudly MADE IN THE LISA optimum mixture effect pronounced standard commercial engines because compression ratio engines lower optimum Manufacturers set compression ratios lower make engines easier average modeler handle prolong engine life reduce potential damaging engine through mishandling make glow plugs last longer characteristics make customers happy happy customers good business Fuels little nitromethane produce optimum power relatively high compression ratios As nitromethane content increases optimum compression ratio decreases Higher nitro fuels produce rather noticeable performance increases commercial engines since compression ratios low compression ratios optimum type fuel performance differentials less hard draw comparisons because differences model line specifications well fuel look records FAI Speed no nitromethane allowed AMAs Speed event 80% nitromethane uncommon shows nearly identical performance good FAI Speed engine cant burn nitromethane fuel because compression ratio too high leaves us two alternatives increased performance can modify engines increase compression ratio FIX IT YOURSELF 4 Easy use Save Money Save Time As low $995 sY write CallSmithy Dept 516 1 -800-345-6342Lathe l 30238 2nd Street Ask operatorai 6Thu Dalles OR 97058 168 Model Aviation je forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMSf CaRa Products P0 Box 221 on SD 57013 605 9875924 Wi Nra 9 12 2-7 Central Time ii SASE information ers inquiries invited Continued page 170
Edition: Model Aviation - 1992/06
Page Numbers: 75, 163, 164, 166, 168
LAST MONTH discussed fuselage jigs semiscale models techniques certainly applicable other aircraft well column also promised comment conventional crutch-and-block approach Just reiterate Taking time proper alignment pays hig dividends building compare amount time necessary accurate alignment total time necessary entire building project can easily see really dont have alternative ensure good-flying plane time should use appropriate jig align assemblies Its difficultit really nothing developing mindset getting crutch fuselage object construct crutch symmetrical about centerline thrust line wing centerline stab centerline parallel Lets make assumption convenience Well use top sides reference alignment No mind bender very few builders use other approaches unless its necessary achieve particular profile Next lay out cut out sides paying particular attention reference lines mentioned should noted balsa does move develop stress relief changes make wing cutouts top will probably bow just will cut bottom edge Accept now well deal later Laminate plywood doublers get ready assemble mounts some easily made assumptions will get deep trouble Check motor mount material carefully Because going use top edge along fuselage edge alignment reference material should straight parallel edges mounts will also determine thrust line engine now must decide method assembling mounts will flat mounting surface will true accept engine time make commitment certain front-end pieces fit snugly correctly June1992 75 LThx Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Bill Richs new SV-1 1 really looks good hes already got working well 61 oz should killer plane powered Randy Smith SuperTigre 60 good plane deserves another chance Frank McMillans 1981 model shown undergoing modifications accept OPS 40 power tuned pipe setup Contionued page 163 Dick Byrons new Big D handle available both standard deluxe versions See text further details ordering information really old-time Stunt ship Yates Stearman fuselage has under constructionfor five yearsusing foam block method described last month SHOP TASK Original Home Machine Shop Designed USA Shoptask use plywood tee inserted glued slots cut leading edge fuselage tee strengthens fuselage-wing joint also helps end cracking fuel seepage due engine vibration thickness ply tee should determined size both model leading edge material lower sketch details clean method mounting profile landing gear As sketch shows hole drilled fuselage proper angle appropriate length dowel grooved accept formed wire landing gear unit glued hole fuselage gear mounting leaves no wire bindings fittings fuselage sides eliminates interference between tank mounts landing gear since profile fuselage can up inch thick its strength should adequate type mount word caution method gear mounting might adequate aircraft landing gear extending fuselage wouldnt look right aircraft gear mounted wing As Bob Furr reminds us follow what documentation shows Aviation Heritage Books SunShine House has just made available two-volume set Paul Matis Scale Airplane Drawings volumes contain over 325 pages three-view drawings 124 types airplanes highly detailed drawing accurate working print dimensions specifications airfoils cross sections templates color schemes included two books provide excellent source three-view drawings 8 1/2 x 11-in format just right Scale model documentation needs drawings part collection internationally acclaimed Historical Album Paul Matt addition drawings book contains several detailed photos two-volume set includes drawings Golden Age WW WW II classic modern erasincluding some popular obscure airplanes ever produced softbound volumes sell $2495 plus shipping charges $350 books may ordered SunShine House Inc PO Box 2065 Terre Haute IN 47802 call 1-800-999-0141 Workshop hintsaw extension Sketch B shows quick easy way make X-Acto keyhole saw extension handle Take suitable length 3/s-in birch dowel slot end depth about one-half inch use No 15 saw blade cutting slot will have snug fit Insert blade slot wrap thread glue well light coating five-minute epoxy will fine simple tool ideal reaching fuselage other hard-to-reach parts model under construction cut away unwanted balsa piece flexible tubing slipped over saw makes excellent safety sheath item found Wing Tips newsletter Mid-Hudson Modelmasters work Jim Kamin club VP super cartoonist Please send ideas notice upcoming CL Scale events contest reports especially photos CL Scale activity address shown top column erobaticslMcMillan Continued page 75 Another necessity deal point engine mounting plate simple addition can add significantly life span plane Possible approaches include 1/i-in aluminum plate linen phenolic epoxy board choice has linen phenolic because its easily cut shaped accepts glue well addition doesnt transfer heat exceptionally durable mounting plates U-shaped extend side mount across piece motor mount material AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $500BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In * Computer Designed 3 Axis Control * Part 103 Ultralight Easy Construction 0 Wood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 June 1992 163 SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes tull line ot parts accessories plus full time ROSSI REPAIR CENTER US SIG-im ported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922Toll Free Orders 800-247-5008 plot aIrfoils dot matrix printer FOILED_AGAIN! o PLOT AIRFOILS IN ANY CHORD UP TO 24 INCHES MODIFY THICKNESS CAMBER & TRAILING EDGE PLOT SKIN ThICKNESS FOR SHEKED WINGS ENTER DATA EASILY VIA INTELLIGENr EDITOR USER-FRIENDLY MENU-DRIVEN OPERATION INCLUDES 50 AIRFOIL FILES 26-PAGE USER MANUAL $4500 Omn ,dw pIm,,cIos lu,I,I bk 0 US$55 qIn iOMPqfl*T ft,PSIU cmp55ndd4,s555d, GI npu,r & pA,, pe ,h, 0d,hg pciy SW 033 dik Sd chfi inoq ,d a, CYGNET Software619 792-8021 3525 Del Mar Heights #23Th San Diego 92130 other side After drilling mounting holes assemble plate mounts slow-setting epoxy bolt engine permanently align system should also bridge gap between mounts aft main firewall cross-grained t12-in balsa will help maintain true alignment rigidity Next glue fuselage sides doublers mount crutch long flat surface crutch flat side upright Now must establish alignment proper taper/shape First lay out reference points table case straight taper sides wing leading edge rear fuselage reference points can limited centerline firewall moment locations minimum affix basic fuselage work surface start installing formers digress little building surface t/4-in plate glass alignment layout marked sheet cork under glass plate glass shimmed flat playing cards prior final alignment tack glued components glass hold place Once sides glued surface alignment start adding formers Make sure formers square building surface might consider using angled formers front-to-back get geodetic effect dont use method instead use crossed 1/8 x t14-in inserts between formers top bottom strips tension soft light wood perfectly acceptable case keep sides vertical right angle templates install formers case fuselage slightly altered top view profile align assembly adding Is-in sheet balsa plate between fuselage sides leading edge wing rear sheet has shape want sides take Tack sheet building surface aligned noted above continue previous approach Build basic fuselage way up through cross stringers including entire nose section need now WOR 5 MO 06 HENMO Ofl0PtVIOEONOOt7050IL0 [ I/ SO SO 37 Drnov Cnrc lAce AU Onoght Cots F4U 15 Coo J546 irony 56 Siondord 31 Ct 29 Waco Tapet-Aing 36 ground Cysandro 35 0008 0-46-A Oboe 29 Boring 506 Sport 33 Scm Triinior 39 Lock Lig6tngP38 39 Cot P36nFLghco 25 0gm Cot 0261/A 38 Con Coils PDY5o 19 Coriios NC-A * 17 0064cr 07 Pit 31 Boylos CeoAce 13 Soperoorint 566 36 Cr00 CoiEAonA 35 CocA ClocirOr 11 43 CrAm ovongor 42 Ann 6110 PlyForm 36 Sn MiiAOo1l 825 34 MocciCoscnlRC72 37 Cot Nony SO3C1 25 CAncor A3C1 42 34 Song Tronop OC-3 33 Coot Hook P6C B 32 iLooiimilos 0011 31 60 P46344 P126 32 SprEld BollOng 32 Llnoord IAol3Siko 34 Tuonoro 664 Rocor 35 600 Molligon 33 P264 Coo 6n 35 Scinonn CA SO 42 66 Mosqolco BnmC 37 50000000 FTCl * 43 N 614 Widow PAl 30 CAMS Hobo Ton13 42 C6e61d1vr162C4 26 Pond Trisoot 441 31 Oollonco Air 605 33 Croon J2F Dock 27 C nooAooA P7C-1 26 516 AopOiS S36 16 6Pge 0400 6000 31 Clndyo CSitios 31 Oeoaed bocPoto 36 C SoocOsA F9C2 33 Aronoco C-i Spi 36 Toonoro P000007 03 Uclooc Filer 132966 209203092660945I * 215163252465936I669252oooTlL 2292232493065945 15S1A22492045934166146 90962 2591636o924759361009521. 2392434932A8$46j~ 1591622492A45936IAO94iI9Uc962 3093045936905A2-12O975l-1 279193992676945so,c-*164915269205693Loi2956 16S2027926540944179SSA1081b6 52946765b06 04996694569 14 1122151604 530.2 84 949 11491217182143593247940 70956 159102218913444926609381H9 152 14951421491643 236SCALE PLUNS 275254193255536Lock 0104 546 34526AO93660952Food 3M 4oT60 5194077952Dot 607C 165 36493755952S 625 262 15491523922404935Moc 0 626 62 19910264924579365000 0 106 42 1111516492033530HodlyPogo 65 47940 71950no DC3 64 154$OS234922479449 49 12491716492237935A9946 74956 65916229920444932594944 69956 6349462092l4093253544 60958 10496265491530926~ 62-945 139121949163912652o9 76952 169652349204793264944 94956 14915219264293263945 64956 7049163141254294562955123166 3799244193561-955446965/ 624492249934~98Y59 3394049495099975 1o4913214916 15925374935 18936 57548414972 32 $224693096 952 1949262994056 $5576266 15591623492447 93663 950190 965 36 934 54 9421~6~3 50 94505 s~T 21 91631s92263 936 109121591530930 60942 1249151992236935t0I5CH 76956 169142711453s926 1sO940 12491676492037934019061 74950 204S66304124604336 . * 3/8SCALRI1/32SIZEIPLAN * M,Aooe 04, $1000 00 SURE TO Ann THE USUAL S * AVAILABLE AP ONE DOLLAR * 0% P00 PACKAGING POST- o UNDER THE 1/5 SCALE AGE ANt INSUOUNCE--ABOAT ICES FOB ALL DESIGNS * THOUSAND AOOITIONAL PLANS SIZES U 128 0 080 CATALOC $270 00 PRICOLIST ALONE SI NONE P00001 010 FOOEIGN POC CAN 6 MEn $3g Oco E 716 001 3600 anode uPpy L9SOSEDE100ITAVENOECLEVELANOO67044I021 55i$0no0~J pop fuselage off glass long blade structure will straight rigid will straight rigid until cut out pieces bottom order install wing Now nice straight top reference becomes bit wobbly Before put wing fuselage recheck alignment lines centerline wing trailing edge line stab trailing edge line Position fuselage over centerline cutouts wing stab appropriate locations Recheck alignment tack glue fuselage place Drop wing check fit its right position trailing edge Continued page 166 can letter mu model Simple BCDE SSbt6wea Pressure Sensitive Water Transfer mayor decals 11 sizes 11 great colors NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST IONGMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-719 164 Model Aviation SHIPPING & HANDLING UPS Ground Continental us $495 UPS Air & Parcol Post $495 plus 10% Subtotal Continental US UPS Next Oay Air $1400 plus $100 per lb Shipment tolal 000 add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal3 TYPHOON state-of-the art design pattern competition Plug-in adjustable wing stab panels Light weight balsa construction Plans 909 sq 1000 sq us versions show formers ribs Wing area909 sqin/1000 sqin Wing span n/73 1/2 Length n/71 1/2 Power- 120 four stroke 60 two stroke Plana-909 sq versiontwo sheets$1495 Plana-1000 sqin versiontwo sheets$1495 Fiberglass cowl$1895 Clear canoov$1495 PLUG-IN ADJUSTABLE STAB KIT Set includes two glass filled nylon adjusters aluminum tube phenolic socket set Provides easy removal stab panels micro adjustment stab incidence$895 WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Special slip fit phenolic sockets build wing panels includ edThree standard sizes avail able special lengths order 718 dts x 2 ftprecision fit$1095 1 1/4diax2ft$995 1 1/2 dia x 3 ft$1495 PLUG-IN WING ADJUSTER KIT Set includes two glass filled nylon adjusters key wing panel front rear allow make micro adjustments straight flight Order two sets incidence adjustment both wing panels desiredS795 5Provides solid support accurate building 5Rugged construction 7 ply aircraft plywood 5Regular fuselages up 6-1/4 wide Jumbo fuselages up 9-1/4 wide 5Use own building board work bench base mount jig stations Uni-Strut guide rails versatile set-up Contains complete hardware instructions Box 4 Standard Jig Stations$1995 Box 4 Jumbo Jig Stations$2195 Two 5 ft Guide Rails & mounting nuts$2295 over alignment marks Before glue wing place check centerline marks leading trailing edges certain equal height above building surface properly located fuselage crutch checking sounds like lot effort want plane fly Glue wing add bottom pieces bracing can get now Before lift structure glass confirm have measured wing stab centerline marks using flat building surface reference Since fuselage top flat surface glued wing has remained flat true Get procedure down youre well way great-flying plane New items Got note Dick Byron Scale team fame announcing Big D handle comes two versions standard version $1895 deluxe $2395 made solid walnut Line spacing adjustable offset line length handle comes complete required safety thong Contact Dick 2310 Citrus Lane Arlington TX 76014 telephone 817 461-7705 PLANS NOW AVAILABLE Easy-to-build WORLD WAR SPAD RED BARON Pedal Planes Yaw litule p4lOt age 3 6 will lose ibis unique exciting toy Tech tip Ive talked about fillets previous columns youve tried front row finish before chances good youve experienced infamous bubbling Bill Rich just shared some recent experiences latest super finish trying reflect what caused lifting problems After done everything usually does used Epoxolite fillets followed nitrate dope bonding gray auto primer smoothing blending fillet Basically use same procedure So did problem occur Bill theorized perhaps trouble caused oil fingers felt fillets during finishing perhaps using too much paint some coats Actually feeling hes right counts times fillets lift its something minor foils So have very careful 1 Never touch fillets hands Use tissue wipe off dust clean carefully degreaser between coats dope 2 Dont let paint build up too thick 3 Avoid temptation lay heavy coats Continued page 168 responding advertisers mention read about ModelAviation 166 Model Aviation DIANA Aviatrix 30s Contains Pilot head Jacket Helmet Goggles Easy assemble sad tisish latex parts No403 1/3 Scale a1595 No404 1/4 Scale 995 rNO405 1/5 Scale r 895 No406 16 Scale 795 CL AerobatioslMoMflian Continued page 164 FUSELAGE JIG STATIONS Plans completa win full-size patterns material Iis stap4iystep instiiiciions color photographs Include $350/Item S&HFL Residents Add 6% Tax GATOR R/C PRODUCTS INC 3713 Pompano Dr Pensacola FL 32514 Phone 904 494-0203 Fax 904 494-0207 j Constructon materials Wood wheels hardware eta available lumbar hardware outlets Some perte available ready-made desired List induded wit plans Plans *1495 ius & Canadal Specify plans desired FL Ras add 6% isa Add $300 P ft H FANTASY TOYS D6 Pines Blvd Suite 188 Pembroke Pines fL 3ll4 [3OS]43-S1SG WHY SHOULD BUY GLOBEE GLOW PLUGS - Gb Bee PUDIIQ philosophy. P ewloerrimnce tacts Fuet combustion chamber must reach certain temperature ignite temperature often found center coil conventional spiral wound coil temperature found inside ptug body tuet combustion chanter GloBee ptugs Itat colt tutty exposed chamr atl times ignition temperature always optimum location efficient combustion gives engine laster ignition higher RPM. power higher tuet etficiency Durability ees glass metal seal design uses exotic glass materials whiclr absorb heat coil redudng chance ot meltdown Also unique coil alloy stronger exceptionaty pure results plug wilt outlast other market today ualily ee plug hand-tested before leaving tactory best-in-theindustry materials will let e WHEN SHOULD BUY Per 0 GOO -MAK Th dO5 c0e4ECTrO~ Totndoel GloBeelugarrgtlttsryse sisfiyoaltysporcaftorynurFflEEGlsBeeRym Twinn-K lnc W 139th Stiuet Cleveland OH 44135 Phone 216-433-1998 CL Aerobatics/McMiIIan ContInued page 166 Finally congratulations Phil Granderson assuming responsibility editing PAMPA newsletter Great job first issue Join us PAMPA contact Tom Morris 1019 Creek Trail Anniston AL 36206 avy Carrier/Perry Continued page 76 slider moveable rudder rear mounting position control system ensure line slider will move aft released Fuels fuel Navy Carrier modelers burn varies much models fly Some modelers use very high percentages nitromethane ultimate performance others choose lower amounts accepting slight reduction engine output lower cost easier availability better engine performance idle Ill discuss some reasons using fuels CENTURY @ JET MODELS INC 8 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 up 2 DOwn Compatible sir system Dim 3/8 sis 1-1/4 $2495 WI 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans instructions Intake/Eshaust System usc F-100 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchief basic kit $23900 v P&H Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available list some sources precautions higher nitro fuels fuels used Nationals Carrier contestants represent reasonable sampling what use around country About third Nationals contestants specified fuel formulas indicated use least 60% nitromethane another third specified 40% nitro rest use lower amounts Most contestants use commercial fuels some mixed order using formula specified customer rest purchase components mix own fuel Engines produce power burning fuel heats expands gasses mostly air cylinder nature combustion process controlled factors including humidity glow plug combustion chamber geometry Compression ratio pressure combustion chamber time combustion major factors influencing combustion primary factor fuel-to-air mixture combustion chamber Mixture factor over have control modifying engine Fuels higher percentages nitromethane produce power generating heat burned COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREE Complete Air System Stainless Torque Links Installed Different strut configurations s Service 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircrah 2 sets 1 Standard 9Q0 minutes 700 1100 retract angle Over-center lock down Nose gear available $27500 pair v P&H Wt 15 lbs SCALE MAIN RLIHALI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 91 Plyon Winners Handles 20-25 lb aircrah 840970 retract angle Positive lock up lock down Optional wire struts * Nose gear available $19900 pair v P&H Wt 22 oz products proudly MADE IN THE LISA optimum mixture effect pronounced standard commercial engines because compression ratio engines lower optimum Manufacturers set compression ratios lower make engines easier average modeler handle prolong engine life reduce potential damaging engine through mishandling make glow plugs last longer characteristics make customers happy happy customers good business Fuels little nitromethane produce optimum power relatively high compression ratios As nitromethane content increases optimum compression ratio decreases Higher nitro fuels produce rather noticeable performance increases commercial engines since compression ratios low compression ratios optimum type fuel performance differentials less hard draw comparisons because differences model line specifications well fuel look records FAI Speed no nitromethane allowed AMAs Speed event 80% nitromethane uncommon shows nearly identical performance good FAI Speed engine cant burn nitromethane fuel because compression ratio too high leaves us two alternatives increased performance can modify engines increase compression ratio FIX IT YOURSELF 4 Easy use Save Money Save Time As low $995 sY write CallSmithy Dept 516 1 -800-345-6342Lathe l 30238 2nd Street Ask operatorai 6Thu Dalles OR 97058 168 Model Aviation je forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMSf CaRa Products P0 Box 221 on SD 57013 605 9875924 Wi Nra 9 12 2-7 Central Time ii SASE information ers inquiries invited Continued page 170
Edition: Model Aviation - 1992/06
Page Numbers: 75, 163, 164, 166, 168
LAST MONTH discussed fuselage jigs semiscale models techniques certainly applicable other aircraft well column also promised comment conventional crutch-and-block approach Just reiterate Taking time proper alignment pays hig dividends building compare amount time necessary accurate alignment total time necessary entire building project can easily see really dont have alternative ensure good-flying plane time should use appropriate jig align assemblies Its difficultit really nothing developing mindset getting crutch fuselage object construct crutch symmetrical about centerline thrust line wing centerline stab centerline parallel Lets make assumption convenience Well use top sides reference alignment No mind bender very few builders use other approaches unless its necessary achieve particular profile Next lay out cut out sides paying particular attention reference lines mentioned should noted balsa does move develop stress relief changes make wing cutouts top will probably bow just will cut bottom edge Accept now well deal later Laminate plywood doublers get ready assemble mounts some easily made assumptions will get deep trouble Check motor mount material carefully Because going use top edge along fuselage edge alignment reference material should straight parallel edges mounts will also determine thrust line engine now must decide method assembling mounts will flat mounting surface will true accept engine time make commitment certain front-end pieces fit snugly correctly June1992 75 LThx Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Bill Richs new SV-1 1 really looks good hes already got working well 61 oz should killer plane powered Randy Smith SuperTigre 60 good plane deserves another chance Frank McMillans 1981 model shown undergoing modifications accept OPS 40 power tuned pipe setup Contionued page 163 Dick Byrons new Big D handle available both standard deluxe versions See text further details ordering information really old-time Stunt ship Yates Stearman fuselage has under constructionfor five yearsusing foam block method described last month SHOP TASK Original Home Machine Shop Designed USA Shoptask use plywood tee inserted glued slots cut leading edge fuselage tee strengthens fuselage-wing joint also helps end cracking fuel seepage due engine vibration thickness ply tee should determined size both model leading edge material lower sketch details clean method mounting profile landing gear As sketch shows hole drilled fuselage proper angle appropriate length dowel grooved accept formed wire landing gear unit glued hole fuselage gear mounting leaves no wire bindings fittings fuselage sides eliminates interference between tank mounts landing gear since profile fuselage can up inch thick its strength should adequate type mount word caution method gear mounting might adequate aircraft landing gear extending fuselage wouldnt look right aircraft gear mounted wing As Bob Furr reminds us follow what documentation shows Aviation Heritage Books SunShine House has just made available two-volume set Paul Matis Scale Airplane Drawings volumes contain over 325 pages three-view drawings 124 types airplanes highly detailed drawing accurate working print dimensions specifications airfoils cross sections templates color schemes included two books provide excellent source three-view drawings 8 1/2 x 11-in format just right Scale model documentation needs drawings part collection internationally acclaimed Historical Album Paul Matt addition drawings book contains several detailed photos two-volume set includes drawings Golden Age WW WW II classic modern erasincluding some popular obscure airplanes ever produced softbound volumes sell $2495 plus shipping charges $350 books may ordered SunShine House Inc PO Box 2065 Terre Haute IN 47802 call 1-800-999-0141 Workshop hintsaw extension Sketch B shows quick easy way make X-Acto keyhole saw extension handle Take suitable length 3/s-in birch dowel slot end depth about one-half inch use No 15 saw blade cutting slot will have snug fit Insert blade slot wrap thread glue well light coating five-minute epoxy will fine simple tool ideal reaching fuselage other hard-to-reach parts model under construction cut away unwanted balsa piece flexible tubing slipped over saw makes excellent safety sheath item found Wing Tips newsletter Mid-Hudson Modelmasters work Jim Kamin club VP super cartoonist Please send ideas notice upcoming CL Scale events contest reports especially photos CL Scale activity address shown top column erobaticslMcMillan Continued page 75 Another necessity deal point engine mounting plate simple addition can add significantly life span plane Possible approaches include 1/i-in aluminum plate linen phenolic epoxy board choice has linen phenolic because its easily cut shaped accepts glue well addition doesnt transfer heat exceptionally durable mounting plates U-shaped extend side mount across piece motor mount material AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $500BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In * Computer Designed 3 Axis Control * Part 103 Ultralight Easy Construction 0 Wood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 June 1992 163 SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes tull line ot parts accessories plus full time ROSSI REPAIR CENTER US SIG-im ported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922Toll Free Orders 800-247-5008 plot aIrfoils dot matrix printer FOILED_AGAIN! o PLOT AIRFOILS IN ANY CHORD UP TO 24 INCHES MODIFY THICKNESS CAMBER & TRAILING EDGE PLOT SKIN ThICKNESS FOR SHEKED WINGS ENTER DATA EASILY VIA INTELLIGENr EDITOR USER-FRIENDLY MENU-DRIVEN OPERATION INCLUDES 50 AIRFOIL FILES 26-PAGE USER MANUAL $4500 Omn ,dw pIm,,cIos lu,I,I bk 0 US$55 qIn iOMPqfl*T ft,PSIU cmp55ndd4,s555d, GI npu,r & pA,, pe ,h, 0d,hg pciy SW 033 dik Sd chfi inoq ,d a, CYGNET Software619 792-8021 3525 Del Mar Heights #23Th San Diego 92130 other side After drilling mounting holes assemble plate mounts slow-setting epoxy bolt engine permanently align system should also bridge gap between mounts aft main firewall cross-grained t12-in balsa will help maintain true alignment rigidity Next glue fuselage sides doublers mount crutch long flat surface crutch flat side upright Now must establish alignment proper taper/shape First lay out reference points table case straight taper sides wing leading edge rear fuselage reference points can limited centerline firewall moment locations minimum affix basic fuselage work surface start installing formers digress little building surface t/4-in plate glass alignment layout marked sheet cork under glass plate glass shimmed flat playing cards prior final alignment tack glued components glass hold place Once sides glued surface alignment start adding formers Make sure formers square building surface might consider using angled formers front-to-back get geodetic effect dont use method instead use crossed 1/8 x t14-in inserts between formers top bottom strips tension soft light wood perfectly acceptable case keep sides vertical right angle templates install formers case fuselage slightly altered top view profile align assembly adding Is-in sheet balsa plate between fuselage sides leading edge wing rear sheet has shape want sides take Tack sheet building surface aligned noted above continue previous approach Build basic fuselage way up through cross stringers including entire nose section need now WOR 5 MO 06 HENMO Ofl0PtVIOEONOOt7050IL0 [ I/ SO SO 37 Drnov Cnrc lAce AU Onoght Cots F4U 15 Coo J546 irony 56 Siondord 31 Ct 29 Waco Tapet-Aing 36 ground Cysandro 35 0008 0-46-A Oboe 29 Boring 506 Sport 33 Scm Triinior 39 Lock Lig6tngP38 39 Cot P36nFLghco 25 0gm Cot 0261/A 38 Con Coils PDY5o 19 Coriios NC-A * 17 0064cr 07 Pit 31 Boylos CeoAce 13 Soperoorint 566 36 Cr00 CoiEAonA 35 CocA ClocirOr 11 43 CrAm ovongor 42 Ann 6110 PlyForm 36 Sn MiiAOo1l 825 34 MocciCoscnlRC72 37 Cot Nony SO3C1 25 CAncor A3C1 42 34 Song Tronop OC-3 33 Coot Hook P6C B 32 iLooiimilos 0011 31 60 P46344 P126 32 SprEld BollOng 32 Llnoord IAol3Siko 34 Tuonoro 664 Rocor 35 600 Molligon 33 P264 Coo 6n 35 Scinonn CA SO 42 66 Mosqolco BnmC 37 50000000 FTCl * 43 N 614 Widow PAl 30 CAMS Hobo Ton13 42 C6e61d1vr162C4 26 Pond Trisoot 441 31 Oollonco Air 605 33 Croon J2F Dock 27 C nooAooA P7C-1 26 516 AopOiS S36 16 6Pge 0400 6000 31 Clndyo CSitios 31 Oeoaed bocPoto 36 C SoocOsA F9C2 33 Aronoco C-i Spi 36 Toonoro P000007 03 Uclooc Filer 132966 209203092660945I * 215163252465936I669252oooTlL 2292232493065945 15S1A22492045934166146 90962 2591636o924759361009521. 2392434932A8$46j~ 1591622492A45936IAO94iI9Uc962 3093045936905A2-12O975l-1 279193992676945so,c-*164915269205693Loi2956 16S2027926540944179SSA1081b6 52946765b06 04996694569 14 1122151604 530.2 84 949 11491217182143593247940 70956 159102218913444926609381H9 152 14951421491643 236SCALE PLUNS 275254193255536Lock 0104 546 34526AO93660952Food 3M 4oT60 5194077952Dot 607C 165 36493755952S 625 262 15491523922404935Moc 0 626 62 19910264924579365000 0 106 42 1111516492033530HodlyPogo 65 47940 71950no DC3 64 154$OS234922479449 49 12491716492237935A9946 74956 65916229920444932594944 69956 6349462092l4093253544 60958 10496265491530926~ 62-945 139121949163912652o9 76952 169652349204793264944 94956 14915219264293263945 64956 7049163141254294562955123166 3799244193561-955446965/ 624492249934~98Y59 3394049495099975 1o4913214916 15925374935 18936 57548414972 32 $224693096 952 1949262994056 $5576266 15591623492447 93663 950190 965 36 934 54 9421~6~3 50 94505 s~T 21 91631s92263 936 109121591530930 60942 1249151992236935t0I5CH 76956 169142711453s926 1sO940 12491676492037934019061 74950 204S66304124604336 . * 3/8SCALRI1/32SIZEIPLAN * M,Aooe 04, $1000 00 SURE TO Ann THE USUAL S * AVAILABLE AP ONE DOLLAR * 0% P00 PACKAGING POST- o UNDER THE 1/5 SCALE AGE ANt INSUOUNCE--ABOAT ICES FOB ALL DESIGNS * THOUSAND AOOITIONAL PLANS SIZES U 128 0 080 CATALOC $270 00 PRICOLIST ALONE SI NONE P00001 010 FOOEIGN POC CAN 6 MEn $3g Oco E 716 001 3600 anode uPpy L9SOSEDE100ITAVENOECLEVELANOO67044I021 55i$0no0~J pop fuselage off glass long blade structure will straight rigid will straight rigid until cut out pieces bottom order install wing Now nice straight top reference becomes bit wobbly Before put wing fuselage recheck alignment lines centerline wing trailing edge line stab trailing edge line Position fuselage over centerline cutouts wing stab appropriate locations Recheck alignment tack glue fuselage place Drop wing check fit its right position trailing edge Continued page 166 can letter mu model Simple BCDE SSbt6wea Pressure Sensitive Water Transfer mayor decals 11 sizes 11 great colors NORTHEAST SCREEN GRAPHICS 21 FISHER AVE. EAST IONGMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-719 164 Model Aviation SHIPPING & HANDLING UPS Ground Continental us $495 UPS Air & Parcol Post $495 plus 10% Subtotal Continental US UPS Next Oay Air $1400 plus $100 per lb Shipment tolal 000 add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal3 TYPHOON state-of-the art design pattern competition Plug-in adjustable wing stab panels Light weight balsa construction Plans 909 sq 1000 sq us versions show formers ribs Wing area909 sqin/1000 sqin Wing span n/73 1/2 Length n/71 1/2 Power- 120 four stroke 60 two stroke Plana-909 sq versiontwo sheets$1495 Plana-1000 sqin versiontwo sheets$1495 Fiberglass cowl$1895 Clear canoov$1495 PLUG-IN ADJUSTABLE STAB KIT Set includes two glass filled nylon adjusters aluminum tube phenolic socket set Provides easy removal stab panels micro adjustment stab incidence$895 WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Special slip fit phenolic sockets build wing panels includ edThree standard sizes avail able special lengths order 718 dts x 2 ftprecision fit$1095 1 1/4diax2ft$995 1 1/2 dia x 3 ft$1495 PLUG-IN WING ADJUSTER KIT Set includes two glass filled nylon adjusters key wing panel front rear allow make micro adjustments straight flight Order two sets incidence adjustment both wing panels desiredS795 5Provides solid support accurate building 5Rugged construction 7 ply aircraft plywood 5Regular fuselages up 6-1/4 wide Jumbo fuselages up 9-1/4 wide 5Use own building board work bench base mount jig stations Uni-Strut guide rails versatile set-up Contains complete hardware instructions Box 4 Standard Jig Stations$1995 Box 4 Jumbo Jig Stations$2195 Two 5 ft Guide Rails & mounting nuts$2295 over alignment marks Before glue wing place check centerline marks leading trailing edges certain equal height above building surface properly located fuselage crutch checking sounds like lot effort want plane fly Glue wing add bottom pieces bracing can get now Before lift structure glass confirm have measured wing stab centerline marks using flat building surface reference Since fuselage top flat surface glued wing has remained flat true Get procedure down youre well way great-flying plane New items Got note Dick Byron Scale team fame announcing Big D handle comes two versions standard version $1895 deluxe $2395 made solid walnut Line spacing adjustable offset line length handle comes complete required safety thong Contact Dick 2310 Citrus Lane Arlington TX 76014 telephone 817 461-7705 PLANS NOW AVAILABLE Easy-to-build WORLD WAR SPAD RED BARON Pedal Planes Yaw litule p4lOt age 3 6 will lose ibis unique exciting toy Tech tip Ive talked about fillets previous columns youve tried front row finish before chances good youve experienced infamous bubbling Bill Rich just shared some recent experiences latest super finish trying reflect what caused lifting problems After done everything usually does used Epoxolite fillets followed nitrate dope bonding gray auto primer smoothing blending fillet Basically use same procedure So did problem occur Bill theorized perhaps trouble caused oil fingers felt fillets during finishing perhaps using too much paint some coats Actually feeling hes right counts times fillets lift its something minor foils So have very careful 1 Never touch fillets hands Use tissue wipe off dust clean carefully degreaser between coats dope 2 Dont let paint build up too thick 3 Avoid temptation lay heavy coats Continued page 168 responding advertisers mention read about ModelAviation 166 Model Aviation DIANA Aviatrix 30s Contains Pilot head Jacket Helmet Goggles Easy assemble sad tisish latex parts No403 1/3 Scale a1595 No404 1/4 Scale 995 rNO405 1/5 Scale r 895 No406 16 Scale 795 CL AerobatioslMoMflian Continued page 164 FUSELAGE JIG STATIONS Plans completa win full-size patterns material Iis stap4iystep instiiiciions color photographs Include $350/Item S&HFL Residents Add 6% Tax GATOR R/C PRODUCTS INC 3713 Pompano Dr Pensacola FL 32514 Phone 904 494-0203 Fax 904 494-0207 j Constructon materials Wood wheels hardware eta available lumbar hardware outlets Some perte available ready-made desired List induded wit plans Plans *1495 ius & Canadal Specify plans desired FL Ras add 6% isa Add $300 P ft H FANTASY TOYS D6 Pines Blvd Suite 188 Pembroke Pines fL 3ll4 [3OS]43-S1SG WHY SHOULD BUY GLOBEE GLOW PLUGS - Gb Bee PUDIIQ philosophy. P ewloerrimnce tacts Fuet combustion chamber must reach certain temperature ignite temperature often found center coil conventional spiral wound coil temperature found inside ptug body tuet combustion chanter GloBee ptugs Itat colt tutty exposed chamr atl times ignition temperature always optimum location efficient combustion gives engine laster ignition higher RPM. power higher tuet etficiency Durability ees glass metal seal design uses exotic glass materials whiclr absorb heat coil redudng chance ot meltdown Also unique coil alloy stronger exceptionaty pure results plug wilt outlast other market today ualily ee plug hand-tested before leaving tactory best-in-theindustry materials will let e WHEN SHOULD BUY Per 0 GOO -MAK Th dO5 c0e4ECTrO~ Totndoel GloBeelugarrgtlttsryse sisfiyoaltysporcaftorynurFflEEGlsBeeRym Twinn-K lnc W 139th Stiuet Cleveland OH 44135 Phone 216-433-1998 CL Aerobatics/McMiIIan ContInued page 166 Finally congratulations Phil Granderson assuming responsibility editing PAMPA newsletter Great job first issue Join us PAMPA contact Tom Morris 1019 Creek Trail Anniston AL 36206 avy Carrier/Perry Continued page 76 slider moveable rudder rear mounting position control system ensure line slider will move aft released Fuels fuel Navy Carrier modelers burn varies much models fly Some modelers use very high percentages nitromethane ultimate performance others choose lower amounts accepting slight reduction engine output lower cost easier availability better engine performance idle Ill discuss some reasons using fuels CENTURY @ JET MODELS INC 8 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 up 2 DOwn Compatible sir system Dim 3/8 sis 1-1/4 $2495 WI 15 oz Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans instructions Intake/Eshaust System usc F-100 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchief basic kit $23900 v P&H Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 NEW 1/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available list some sources precautions higher nitro fuels fuels used Nationals Carrier contestants represent reasonable sampling what use around country About third Nationals contestants specified fuel formulas indicated use least 60% nitromethane another third specified 40% nitro rest use lower amounts Most contestants use commercial fuels some mixed order using formula specified customer rest purchase components mix own fuel Engines produce power burning fuel heats expands gasses mostly air cylinder nature combustion process controlled factors including humidity glow plug combustion chamber geometry Compression ratio pressure combustion chamber time combustion major factors influencing combustion primary factor fuel-to-air mixture combustion chamber Mixture factor over have control modifying engine Fuels higher percentages nitromethane produce power generating heat burned COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREE Complete Air System Stainless Torque Links Installed Different strut configurations s Service 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircrah 2 sets 1 Standard 9Q0 minutes 700 1100 retract angle Over-center lock down Nose gear available $27500 pair v P&H Wt 15 lbs SCALE MAIN RLIHALI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 91 Plyon Winners Handles 20-25 lb aircrah 840970 retract angle Positive lock up lock down Optional wire struts * Nose gear available $19900 pair v P&H Wt 22 oz products proudly MADE IN THE LISA optimum mixture effect pronounced standard commercial engines because compression ratio engines lower optimum Manufacturers set compression ratios lower make engines easier average modeler handle prolong engine life reduce potential damaging engine through mishandling make glow plugs last longer characteristics make customers happy happy customers good business Fuels little nitromethane produce optimum power relatively high compression ratios As nitromethane content increases optimum compression ratio decreases Higher nitro fuels produce rather noticeable performance increases commercial engines since compression ratios low compression ratios optimum type fuel performance differentials less hard draw comparisons because differences model line specifications well fuel look records FAI Speed no nitromethane allowed AMAs Speed event 80% nitromethane uncommon shows nearly identical performance good FAI Speed engine cant burn nitromethane fuel because compression ratio too high leaves us two alternatives increased performance can modify engines increase compression ratio FIX IT YOURSELF 4 Easy use Save Money Save Time As low $995 sY write CallSmithy Dept 516 1 -800-345-6342Lathe l 30238 2nd Street Ask operatorai 6Thu Dalles OR 97058 168 Model Aviation je forget units remember! NOT JUST CHARGERS COMPLETE AUTOMATIC BATTERY MAINTENANCE SYSTEMSf CaRa Products P0 Box 221 on SD 57013 605 9875924 Wi Nra 9 12 2-7 Central Time ii SASE information ers inquiries invited Continued page 170