CONTROL LINE COMBAT MANY PILOTS use /2A Combat means sharpen reflexes larger-displacement Combat events nimble quick light-on-the-lines /2A models require think fast 35-foot lines have spinning pilots circle rapid rate Provided flying plush field five- six-ounce model built solid structural integrity encounters mother earth will result no damage years serious /2A engine available Cox Tee Dee 049 fine long did exceed red line about 24000 rpm used engines years broke thembroken cases crankshafts pistons rods ball-and-socket joints engines have also given countless hours fun very little cost Now several alternatives Cox 049 two options come Russia Stels 049 has developed manufactured Alexander Sasha Gieviesky engine man behind two-time World Champion Slava Believ beautiful little engines feature twin rear exhausts angle over under leading edge mounting lugs have same bolt pattern Cox Tee Dee 049 engine designed take Cox Tee Dee glow heads well GloBee two-piece racing heads aftermarket adapter Nelson glowplugs problem encountered copper shims come Cox heads have outside diameter just little too large fit comfortably cylinder seat little careful sanding gasket fixes engines respond well 40% 50% nitro fuel small 4- 4-inchdiameter props have using Grish 5 x 3 cut above-mentioned diameters also true up hubs balance blades cylinder Stels integrated cooling fins attached case three slotted bolts replaced Allen bolts did attempt lap-fit piston cylinder hard start first few runs Cox engines have owned use Nelson glowplug adapter two gaskets 40% nitro fuel two engines Neither engine has much time both show great potential would fair give numbers rpm speeds until fully broken Look data future columns engines available Scott Newkirk Race Force Inc PO Box 342 Edmonds WA 98020-0342 Tel 206 774-6456 Fax 206 775-1869 price currently $80 Plan spend extra $10 for a Nelson glowplug adapter also special Stels 049 glowplug available $4 10 $36 have some have yet tested engines about same weight Cox 049 can bolt right existing models have perform same other engine consider /2A Continued page 121 April 1994 107 Californian Phil Granderson demonstrates another way new Russian-made VA 049 isnt available through D&B congratulate winner Willie Neamura Ron Scoones applaud Imports contact dealers listed text Stels giant intake has its area reduced size spray bar view VA 049 clearly shows rear exhaust configuration Stels 049 manufactured developed Sasha Gieviesky 10th ANNUAL MARC SHOW FOR INFORMATiON CONTACT Shc Ddo RON STAHL 4621 BelIvieu Ave Baftimoi MD 21215 410-664-2712 DAVE MITCHELL 410668-6690 * NOW FULLY ABJR-CONDrnONEDI * MID ATLAN11C RADIO CONTROL JUNE4AND5 1994 SatuitlayO am 105 pm Sunday 10 am 4 pm MARYLAND STATE FAIR GROUNDS ilMONIUM MARYLAND Sponsoedby MAPP VhIJ INC TO YORK 45 YORK RD EXIT 171TO WLMINGTON PADOMA RD IlUONIUM FAIR TO FREORICICGROUNDS ilMONIUM RD95 70695 40695 3AMDBJ T WASNPKWY TO WASHINGTONNORTh Over 100 Manu1dumrs Staff C Displays Radio Kit & Equipment Raffle Door Pnzes Free Parking 5000 Cars Refreshment Centess Indoor & Outdoor Demonstrations Factoiy Teams Ainaft-Cais-Boats Radios-Engines Transmitter Testing 9000 Gallon Outdoor Boat Pond AS ALWAYS SELUNG SHOW stabilizers planform should also know -inch center piece laminated two pieces 1/ x 4 balsa should two /8 X 4 x 36 sheets kit box No callout sheet use given plan vertical fin rudder elevators constructed precut pieces t butt-glued together create correct outlines parts Throughout construction tail surfaces visually compared Uravitch plans against Ian Stair drawings components Mind didnt measure eyeballed model Fun Scale project Top Gun/Scale Masters contender simply counted compared CL Combat/Von Lopez Continued page 107 Combat VA 049 also Russia units being imported Dirty Dan Rutherford D&B Importl Export Inc 4705 237th Place SE Bothell WA 98021 Tel 206 481-5760 Fax 206 487-1735 VA 049 dealers Aldrich Models 210 656-2021 Bear Mfg Inc 708 946-6130 Kustom Kraftmanship 619 728-4365 Morris Hobbies 800 826-6054 T & Hobby Lobby 818 842-5062 Webster Hobby Shop 206 546-5159 Northwest Hobbies 206 number stabilizer ribs judged spacing close enough rock n roll forged ahead task constructing Fokkers tail parts closing thought develop skills properly try product can get hands form own opinions dont suggest product does mean dont like some cases may aware certain products Okay friends clean up goggles leather flying helmets practice sanding techniques well continue DVII next issue Until build straight fly safely Ill talk again 4392-1172 RC Model Shop 206 747-9914 also available directly D&B Import/Export listed earlier according Dirty Dan complete support dealers means frequently out stock dealers have inventory Parts course stocked depth available listed dealers Dan has taken considerable time putting together comprehensive set VA directions information such unique engine description heighten ones desire inspect unit current price about $50 check dealers sure following paragraphs come ZflAPPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90610 MINI ER ADJUSTABLE TENSION HAND BELT SANDER FIRMLY HOLDS MPER FOR EASIER SANDING Padded Bela curves Handy te NM EaayteUae$295 MRIl-STRIPSPRECISION DIE-CUT MedIum Barest SAVES TIMEREPLACEMENTFIne Garnet AND EFFORT $21 0 SANDING BELTS held Water Pfel -TEE ALUMINUM EXTRUSION SANDING BLOCK ter mae mRS RUFF-STUFF Sell-aibeelee awed pager e True Seats WenIWeerDaI ii us $310 HeedyteUse 225w $465 -RUFF 6 STUFF SELF ADHESIVE SHEET MAKE YOUR OWN SPECIAL SANDING SHAPES MedhmFIe$1 40 M I N 10OO COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw hia rugged dIe-cast barn mRS eelwtehls chlpyruet plastIc InBeet handle RecedIng ieee aid ad eateSle e Blase geed usfS semen Cute weed plastIc metel HARDENED MUSIC WIRE extra blades 34225 Add 20% postage Sand 5O catalog April 1994 121 SWAP SHOP $20 Per Day Indudes Admission NO DEALERS PLEASE Unit 2 tables per person -SWAP SHOP ONLYFor Piu-Registration call Vernon Davies 41 0-823-4562 IZeIX9 Dl heroes famous models big contests past come alive again Dave Thornburgs 300-page history American aeromodeling 9 DO YOU SPEAK MODEL AIRPLANE first twin pusher latest Ugly Stik Dozens illustrations LISA hundreds memories Order copy today Just $1995 postpaid.--cash check Visa/MO Pony X Press 5 MontIcello Dr Albuquerque NM 87123 505 299-8749 Still Available OLD BUZZARDS SOARING BOOK 160 pg about thermals $1695 pp CompactSMalIs Metala Booka e/AntlquelClasslc Aircraft LATHESSCALE DOCUMENTATION 11005 3-views Preciatote anomie 10000 dtotos c4J4PBELL TOOLS COsatisfaction guaranteed plete Catalog $2 vy taretsrniqaelone kind 62ttOMSehua Road catalog 5200 US fond 513322-8362927 5 Read 15k co 80226 OH 45505________________________________ J rICJTES~ FREE COLOR CATALOG Choose cRier 200 exciting kites unusual & innaove designs US-~ Call write catalog todayl 1408-MA Pearl St Boulder CO 80302 UflRIED AIRCRAY[ P1OS [ Teebmi fllustrations Suitable control Une Electoto Power AJC AIrplanes 3 Y1CUS D-TECH SYSTEMSPenn Valley Hobby Center , 325 Shawsee TrailI837-AW Main St Lanstiale PA 19448 LaT810gCarteryfla IL 62919I L61B9852383j R/C Combat Gremlin RCM 12/92 e a aAffordable Cuntoso Cores Modotors Modolors Obechi Larac SheetsCombat Groostioc Corns $12 Olson kits $20 somptotos no scood Fruit kits alt stood $35 Cosobut newsletter oaob shoot/fall kit Please call 509-548520Uparudo glider soon intortandioto tovot aocw wing 1S3021 0D7037 Gooslo Lady Spirit 2M fall wiog kits $35 Dodgcr Larson 23 Quickoc 500 corns-SOpor pair send SASE toCssctoor pro-sheeted wings available balsa oboobi 12306 BergstrasseLot cat yossr ttont club project Custom core quantity discouols add 55 S&H CODs add $6 additiocal Leavenworth WA 98826RA Cores po Ban 863 Soathbridgr MA 01550 508765-9008 Bob Fioreuzej Hobby Center Inc UPS Orders Shipped Daily Dealer Yellow Aircraft send *aoo Yellow Info PackageZ VeitourShowrooml36min fromOs WoeldI Full Une Hobby Accessories 420 West SR 434 Winter SprIngs FL 32708407 Glider Release PlaIt orm left catty & release o glider ott bock 01st esioling high wing powerplone Ills allacfwd lO& removed power plate quickly & easily Glider Remote PigIform teltconlained lighlweighl eoty 10 build & lots fun Pluto include 2 theelt 18t24 & complele inoltuctitlo booklet pholot Send cbeck money order $1495 plus $150 P&H $18491 payable Robert Thibcdeau P0 Boo 323 Chellenbam MO 25023 instruction sheet included engine VA 049 08cc Engine VA 049 has designed very lightweight high-performance competition engine suitable events goal supply modelers engine lighter other available using current technology materials offer increased power compared US-produced standard us have used success As design work progressed need reliable method attaching piston rod apparent elegant solution seen VA 049an externally threaded carrier wristpin screwing internally threaded pistongives excellent reliability regarded superior other designs course no-brainer add option shimming piston offer variable compression timing Producer importer also intend offer VA 049 reasonable price goal feel has also reached Further details VA 049 has designed being produced Russias very best engine specialists VA 049 very light 35 grams/i 25 ounces powerful versatile piston manufactured high silicone-content aluminum crankcase case cylinder bore plated nickel/phosphorous combination referred AAN construction design has shown offer superior power long engine life improved glowhead life Suggested uses include FF AMA 1/2A Gas Payload [Editorrs note AMA Payload 020 engines] PAL PU Scale Sport CL 1/2A Combat /2A Racing Stunt 1/2A Proto Speed Sport RC Pylon Racing 1/2A Pattern ducted fans Glider Power Boost Sport Initial Setup VA 049 supplied setup high-speed operation 27000 rpm higher relatively small props Grish Tornado 5 x 3 cut 41/3 APC 51/2 x 2 cut 4 setup can used during run-in suggested disassemble engine install total three piston shims along total four head shims Extensive testing has shown resulting timing compression will give excellent power commonly used props Please review later section engine disassembly prior performing operation Suitable Propellers VA 049 designed operate high speeds except events like CL Stunt variable timing feature may taken extremes increase torque levels VA 049 must propped accordingly applications APC 57 x 3 122 Model Aviation BEGINNERS DONT GIVE UP Unfortunately MOST advertised RIC rainers much too fast unstable average beginner take heart because YOU COULD SOLO YOUR VERY FIRST TIME UP No longer mislead Thanks extensive trainer tlight-testing ever conducted hobby can now know advance ones will fly slow hands-off stable just so-so intermediate etraineras grossly misnamed pull no punches Send $350 plus 52 postage EASE-OF-FLYING RATINGS OF RIC TRAINERS Over 40 models evaluated includingARFsAlsogradesease-of-build ing explains basic aerodynamics dares address questions poor trainers good trainers marketed does no warn about GUARANTEED enlightening time-saving money-saving RIO publication heve ever read money back Also available Flying lessons written especially tor lone eagle must go alone aLearning Fly RIC Without Instructor $395 plus 750 postage Includes trouble-shooting flight problems Send check money order Jim Waterman 3819 Deerfield Dr San Antonio TX 78218 GIANT 5CALE 5FOTTANP 1/12 5CALE C0MAT ANt KIT 1usd fiG IAN lee 8. bedriss 4302N 750W Liaooier IN 4676 219J 8943370 6 x 3 props suggested maximum practical size may require fitting four piston shims Props suitable include Cox 5 x 3 Grish Tornado 5 x 3 APC 6 x 2 new APC 5/2 x 2 case will generally see best results propping VA 049 engine run 21000 28000 rpm range 25000 27000 preferred Note APC props must fitted fabricated bushing ensure proper safe centering propeller Disassembly VA 049 complicated engine handled reasonable care no reason avoid disassembly crankcase retaining nut removed using small cutout inside Cox universal wrench retaining nut will push prop driver shaft during removal piston can removed carrier tools cases will necessary attach lower end connecting rod crankpin order remove and/or tighten piston Use care rod obviously designed severe torsional loads no case may kind tool used piston surface piston may damaged piston forced out round Variable Timing Due unique method retaining piston connecting rod via trapped wristpin treaded aluminum carrier possible easily repeatedly vary compression bypass/exhaust timing removing adding shims between upper surfaces carrier piston However must use feature great caution possibility severely damaging engine piston should contact glow head always certain piston fitted tightly aluminum carrier Please note props present engine heavy load 57 x 3 6 x 3 props example demand less timing piston shims order increase torque output Medium-load props APC 5 Y2 x 2 Grish 5 x 3 can use increased timing may mean using two three piston shims Low-load props such Grish 5 x 3s cut 4/2 diameter APC 5 cut 5 4 may result using two piston shims cases note clearance between glow head piston also changes making timing adjustments yourself favor Read above again concept understood speak local engine expert better understand prop load relates bypass port exhaust timing numbers VA 049 engine unique offering feature order realize expected levels performance prop choice engine must tested determine exact number piston shims result highest power output April 1994 123 Important note fiddling piston shims possible run piston up high enough bore crash piston glowbead Take conservative approach adding 005 head shim 004 piston shim always double-check interference between piston head before starting engine attempting squeeze mix really tightly may find measured clearance being negative piston does actually hit glowbead close look Cox glowhead chamber will explain advised flirting disaster especially switching back forth between Cox 1702 GloBee GB-SR using 40% higher nitro fuel probably using too much compression anyway typical VA 049 comes factory set up way Russians like run engines Lots revs quite small props specific engine has approximately 1600 exhaust timing negative clearance head shims installed 004 between glowbead glowbead seat setup okay run-in Grish S x 3 prop cut 4 diameter although may want install total two three head shims order extend life glowhead during run-in CL Combat guys may want run two just piston shim conjunction 40% 50% nitro fuel very small diameter prop FF RC applications larger diameter props effective will require less timing/increased torque piston shims increased torque setup total three piston shims being suggested starting point Beginning stock run-in engine simply remove piston carrier hooking big end rod crankpin unscrewing piston Finger pressure remember piston free carrier add two piston shims being certain seated properly before reinstalling piston camer late June early July year premier Combat event takes place Seattle area Washington Bladder Grabber features triple-elimination AMA Fast Combat format coupled stereo prizes total $12000 worth Carver equipment Bladder Grabber 18 1993 top pilot Allen Deveuve San Diego California photographs accompany column show Allen getting traditional handshake Howard Rush congratulatory dousing ice water ever-mischievous Phil Granderson Its good contest win Plan trip Pacific Northwest 1994 avy Carrier/Perry Continued paqe 109 competition plenty strong enough environment Profile Carrier engine intake sized fit OS 4-series carburetor 135mm 532 inches carburetor included Standard configuration left-hand-rotation crankshaft use pusher props Bill Bischoffs 904 mph high speed Nationals achieved PAC 9 x 6P prop 40% nitro fuel Static rpm combination 17000 Timing follows 1600 exhaust l26 transfer boost open together intake open 400 ABDC close 550 ATDC Willy experimenting extending intake closing Right now 650 ATDC seems practical limit Carrier engine speeds Combat crankshaft could subsituted produce engine conventional right-hand rotation however timing different Combat engine designed 21500rpm 8 x 6 prop closes 720 ATDC may affect idle could present blowback problems lower Carrier engine speeds Youre own engine costs $175 bad considering dont have work top performance Custom lefthand cranks available engine $100 K&B 58 left-hand cranks available $50 Contact Willy Wileys Custom Motors 15605 Wright Brothers Addison TX 75244 Tel 214 245-6548 Autogiros still looking information Autogiros Carrier Focus Competition section can stop straining eyes hasnt appeared probably wont Since no real basis including autogiros within existing rules Bill Bischoff CLCB chairman has elected allow issue resolved rules cycle began January 1994 has published survey High-Low-Landing newsletter Navy Carrier Society NCS havent filled yours out yet dig out send results will used assist Navy Carrier Advisory Committee CLCB determining vote proposals will submitted arent member NCS theres still time join get survey sending $6 Mike Pugh HCR 51 Box 220 Stephenville TX 76401 have already seen draft proposal Bill Darkow would allow types rotary-wing aircraft modeled three classes Carrier Bill builder original Kayaba Ka- 1 model generated protest described October column Ill best keep informed issues develop sure read Focus Competition latest information Calculator Scoring Program portable computers becoming commonplace use contest management logical step AMA has used computers purpose Nationals will expanding use future least two PC-compatible programs scoring CL Navy Carrier plan publish before 1994 flying season will later column months offering much less expensive less complex solution automated score computation Radio Shack sells programmable 46function scientific calculator designation EC-4021 catalog number 65-984 has limited 40-step program memory can accommodate main program time no subprograms has three memory registers limited memory functions has basic arithmetic statistical trigonometric functions cannot truncate round numbers within memory capable logical switching After reading limitations may wondering mentioned mentioned because few redeeming characteristicsit readily available Radio Shack costs $1795 program memory though limited large enough store reasonably capable scoring program Navy Carrier also retains program turned off wrote program follows take advantage full program memory provide high degree accuracy flexibility program self-contained no additional calculations such averaging two watch readings required outside program no need remember constants calculator settings nothing must entered before program can run has enter times high speed record high-speed score scoresheet enter low-speed times record low-speed score enter landing bonus points write down total score problem program occasionally makes error final score Although problem sounds like fatal flaw bad sounds error never iho point occurs 25% timeThe displayed values high low total scores rounded nearest i/10 point required rules Because calculator cannot round numbers uses calculations cannot add displayed values get final score can add unrounded intermediate scores round final total occasional error easily detected comparing last digits high low-speed scores final score last digits high low scores 124 Model Aviation
Edition: Model Aviation - 1994/04
Page Numbers: 107, 121, 122, 123, 124
CONTROL LINE COMBAT MANY PILOTS use /2A Combat means sharpen reflexes larger-displacement Combat events nimble quick light-on-the-lines /2A models require think fast 35-foot lines have spinning pilots circle rapid rate Provided flying plush field five- six-ounce model built solid structural integrity encounters mother earth will result no damage years serious /2A engine available Cox Tee Dee 049 fine long did exceed red line about 24000 rpm used engines years broke thembroken cases crankshafts pistons rods ball-and-socket joints engines have also given countless hours fun very little cost Now several alternatives Cox 049 two options come Russia Stels 049 has developed manufactured Alexander Sasha Gieviesky engine man behind two-time World Champion Slava Believ beautiful little engines feature twin rear exhausts angle over under leading edge mounting lugs have same bolt pattern Cox Tee Dee 049 engine designed take Cox Tee Dee glow heads well GloBee two-piece racing heads aftermarket adapter Nelson glowplugs problem encountered copper shims come Cox heads have outside diameter just little too large fit comfortably cylinder seat little careful sanding gasket fixes engines respond well 40% 50% nitro fuel small 4- 4-inchdiameter props have using Grish 5 x 3 cut above-mentioned diameters also true up hubs balance blades cylinder Stels integrated cooling fins attached case three slotted bolts replaced Allen bolts did attempt lap-fit piston cylinder hard start first few runs Cox engines have owned use Nelson glowplug adapter two gaskets 40% nitro fuel two engines Neither engine has much time both show great potential would fair give numbers rpm speeds until fully broken Look data future columns engines available Scott Newkirk Race Force Inc PO Box 342 Edmonds WA 98020-0342 Tel 206 774-6456 Fax 206 775-1869 price currently $80 Plan spend extra $10 for a Nelson glowplug adapter also special Stels 049 glowplug available $4 10 $36 have some have yet tested engines about same weight Cox 049 can bolt right existing models have perform same other engine consider /2A Continued page 121 April 1994 107 Californian Phil Granderson demonstrates another way new Russian-made VA 049 isnt available through D&B congratulate winner Willie Neamura Ron Scoones applaud Imports contact dealers listed text Stels giant intake has its area reduced size spray bar view VA 049 clearly shows rear exhaust configuration Stels 049 manufactured developed Sasha Gieviesky 10th ANNUAL MARC SHOW FOR INFORMATiON CONTACT Shc Ddo RON STAHL 4621 BelIvieu Ave Baftimoi MD 21215 410-664-2712 DAVE MITCHELL 410668-6690 * NOW FULLY ABJR-CONDrnONEDI * MID ATLAN11C RADIO CONTROL JUNE4AND5 1994 SatuitlayO am 105 pm Sunday 10 am 4 pm MARYLAND STATE FAIR GROUNDS ilMONIUM MARYLAND Sponsoedby MAPP VhIJ INC TO YORK 45 YORK RD EXIT 171TO WLMINGTON PADOMA RD IlUONIUM FAIR TO FREORICICGROUNDS ilMONIUM RD95 70695 40695 3AMDBJ T WASNPKWY TO WASHINGTONNORTh Over 100 Manu1dumrs Staff C Displays Radio Kit & Equipment Raffle Door Pnzes Free Parking 5000 Cars Refreshment Centess Indoor & Outdoor Demonstrations Factoiy Teams Ainaft-Cais-Boats Radios-Engines Transmitter Testing 9000 Gallon Outdoor Boat Pond AS ALWAYS SELUNG SHOW stabilizers planform should also know -inch center piece laminated two pieces 1/ x 4 balsa should two /8 X 4 x 36 sheets kit box No callout sheet use given plan vertical fin rudder elevators constructed precut pieces t butt-glued together create correct outlines parts Throughout construction tail surfaces visually compared Uravitch plans against Ian Stair drawings components Mind didnt measure eyeballed model Fun Scale project Top Gun/Scale Masters contender simply counted compared CL Combat/Von Lopez Continued page 107 Combat VA 049 also Russia units being imported Dirty Dan Rutherford D&B Importl Export Inc 4705 237th Place SE Bothell WA 98021 Tel 206 481-5760 Fax 206 487-1735 VA 049 dealers Aldrich Models 210 656-2021 Bear Mfg Inc 708 946-6130 Kustom Kraftmanship 619 728-4365 Morris Hobbies 800 826-6054 T & Hobby Lobby 818 842-5062 Webster Hobby Shop 206 546-5159 Northwest Hobbies 206 number stabilizer ribs judged spacing close enough rock n roll forged ahead task constructing Fokkers tail parts closing thought develop skills properly try product can get hands form own opinions dont suggest product does mean dont like some cases may aware certain products Okay friends clean up goggles leather flying helmets practice sanding techniques well continue DVII next issue Until build straight fly safely Ill talk again 4392-1172 RC Model Shop 206 747-9914 also available directly D&B Import/Export listed earlier according Dirty Dan complete support dealers means frequently out stock dealers have inventory Parts course stocked depth available listed dealers Dan has taken considerable time putting together comprehensive set VA directions information such unique engine description heighten ones desire inspect unit current price about $50 check dealers sure following paragraphs come ZflAPPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90610 MINI ER ADJUSTABLE TENSION HAND BELT SANDER FIRMLY HOLDS MPER FOR EASIER SANDING Padded Bela curves Handy te NM EaayteUae$295 MRIl-STRIPSPRECISION DIE-CUT MedIum Barest SAVES TIMEREPLACEMENTFIne Garnet AND EFFORT $21 0 SANDING BELTS held Water Pfel -TEE ALUMINUM EXTRUSION SANDING BLOCK ter mae mRS RUFF-STUFF Sell-aibeelee awed pager e True Seats WenIWeerDaI ii us $310 HeedyteUse 225w $465 -RUFF 6 STUFF SELF ADHESIVE SHEET MAKE YOUR OWN SPECIAL SANDING SHAPES MedhmFIe$1 40 M I N 10OO COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw hia rugged dIe-cast barn mRS eelwtehls chlpyruet plastIc InBeet handle RecedIng ieee aid ad eateSle e Blase geed usfS semen Cute weed plastIc metel HARDENED MUSIC WIRE extra blades 34225 Add 20% postage Sand 5O catalog April 1994 121 SWAP SHOP $20 Per Day Indudes Admission NO DEALERS PLEASE Unit 2 tables per person -SWAP SHOP ONLYFor Piu-Registration call Vernon Davies 41 0-823-4562 IZeIX9 Dl heroes famous models big contests past come alive again Dave Thornburgs 300-page history American aeromodeling 9 DO YOU SPEAK MODEL AIRPLANE first twin pusher latest Ugly Stik Dozens illustrations LISA hundreds memories Order copy today Just $1995 postpaid.--cash check Visa/MO Pony X Press 5 MontIcello Dr Albuquerque NM 87123 505 299-8749 Still Available OLD BUZZARDS SOARING BOOK 160 pg about thermals $1695 pp CompactSMalIs Metala Booka e/AntlquelClasslc Aircraft LATHESSCALE DOCUMENTATION 11005 3-views Preciatote anomie 10000 dtotos c4J4PBELL TOOLS COsatisfaction guaranteed plete Catalog $2 vy taretsrniqaelone kind 62ttOMSehua Road catalog 5200 US fond 513322-8362927 5 Read 15k co 80226 OH 45505________________________________ J rICJTES~ FREE COLOR CATALOG Choose cRier 200 exciting kites unusual & innaove designs US-~ Call write catalog todayl 1408-MA Pearl St Boulder CO 80302 UflRIED AIRCRAY[ P1OS [ Teebmi fllustrations Suitable control Une Electoto Power AJC AIrplanes 3 Y1CUS D-TECH SYSTEMSPenn Valley Hobby Center , 325 Shawsee TrailI837-AW Main St Lanstiale PA 19448 LaT810gCarteryfla IL 62919I L61B9852383j R/C Combat Gremlin RCM 12/92 e a aAffordable Cuntoso Cores Modotors Modolors Obechi Larac SheetsCombat Groostioc Corns $12 Olson kits $20 somptotos no scood Fruit kits alt stood $35 Cosobut newsletter oaob shoot/fall kit Please call 509-548520Uparudo glider soon intortandioto tovot aocw wing 1S3021 0D7037 Gooslo Lady Spirit 2M fall wiog kits $35 Dodgcr Larson 23 Quickoc 500 corns-SOpor pair send SASE toCssctoor pro-sheeted wings available balsa oboobi 12306 BergstrasseLot cat yossr ttont club project Custom core quantity discouols add 55 S&H CODs add $6 additiocal Leavenworth WA 98826RA Cores po Ban 863 Soathbridgr MA 01550 508765-9008 Bob Fioreuzej Hobby Center Inc UPS Orders Shipped Daily Dealer Yellow Aircraft send *aoo Yellow Info PackageZ VeitourShowrooml36min fromOs WoeldI Full Une Hobby Accessories 420 West SR 434 Winter SprIngs FL 32708407 Glider Release PlaIt orm left catty & release o glider ott bock 01st esioling high wing powerplone Ills allacfwd lO& removed power plate quickly & easily Glider Remote PigIform teltconlained lighlweighl eoty 10 build & lots fun Pluto include 2 theelt 18t24 & complele inoltuctitlo booklet pholot Send cbeck money order $1495 plus $150 P&H $18491 payable Robert Thibcdeau P0 Boo 323 Chellenbam MO 25023 instruction sheet included engine VA 049 08cc Engine VA 049 has designed very lightweight high-performance competition engine suitable events goal supply modelers engine lighter other available using current technology materials offer increased power compared US-produced standard us have used success As design work progressed need reliable method attaching piston rod apparent elegant solution seen VA 049an externally threaded carrier wristpin screwing internally threaded pistongives excellent reliability regarded superior other designs course no-brainer add option shimming piston offer variable compression timing Producer importer also intend offer VA 049 reasonable price goal feel has also reached Further details VA 049 has designed being produced Russias very best engine specialists VA 049 very light 35 grams/i 25 ounces powerful versatile piston manufactured high silicone-content aluminum crankcase case cylinder bore plated nickel/phosphorous combination referred AAN construction design has shown offer superior power long engine life improved glowhead life Suggested uses include FF AMA 1/2A Gas Payload [Editorrs note AMA Payload 020 engines] PAL PU Scale Sport CL 1/2A Combat /2A Racing Stunt 1/2A Proto Speed Sport RC Pylon Racing 1/2A Pattern ducted fans Glider Power Boost Sport Initial Setup VA 049 supplied setup high-speed operation 27000 rpm higher relatively small props Grish Tornado 5 x 3 cut 41/3 APC 51/2 x 2 cut 4 setup can used during run-in suggested disassemble engine install total three piston shims along total four head shims Extensive testing has shown resulting timing compression will give excellent power commonly used props Please review later section engine disassembly prior performing operation Suitable Propellers VA 049 designed operate high speeds except events like CL Stunt variable timing feature may taken extremes increase torque levels VA 049 must propped accordingly applications APC 57 x 3 122 Model Aviation BEGINNERS DONT GIVE UP Unfortunately MOST advertised RIC rainers much too fast unstable average beginner take heart because YOU COULD SOLO YOUR VERY FIRST TIME UP No longer mislead Thanks extensive trainer tlight-testing ever conducted hobby can now know advance ones will fly slow hands-off stable just so-so intermediate etraineras grossly misnamed pull no punches Send $350 plus 52 postage EASE-OF-FLYING RATINGS OF RIC TRAINERS Over 40 models evaluated includingARFsAlsogradesease-of-build ing explains basic aerodynamics dares address questions poor trainers good trainers marketed does no warn about GUARANTEED enlightening time-saving money-saving RIO publication heve ever read money back Also available Flying lessons written especially tor lone eagle must go alone aLearning Fly RIC Without Instructor $395 plus 750 postage Includes trouble-shooting flight problems Send check money order Jim Waterman 3819 Deerfield Dr San Antonio TX 78218 GIANT 5CALE 5FOTTANP 1/12 5CALE C0MAT ANt KIT 1usd fiG IAN lee 8. bedriss 4302N 750W Liaooier IN 4676 219J 8943370 6 x 3 props suggested maximum practical size may require fitting four piston shims Props suitable include Cox 5 x 3 Grish Tornado 5 x 3 APC 6 x 2 new APC 5/2 x 2 case will generally see best results propping VA 049 engine run 21000 28000 rpm range 25000 27000 preferred Note APC props must fitted fabricated bushing ensure proper safe centering propeller Disassembly VA 049 complicated engine handled reasonable care no reason avoid disassembly crankcase retaining nut removed using small cutout inside Cox universal wrench retaining nut will push prop driver shaft during removal piston can removed carrier tools cases will necessary attach lower end connecting rod crankpin order remove and/or tighten piston Use care rod obviously designed severe torsional loads no case may kind tool used piston surface piston may damaged piston forced out round Variable Timing Due unique method retaining piston connecting rod via trapped wristpin treaded aluminum carrier possible easily repeatedly vary compression bypass/exhaust timing removing adding shims between upper surfaces carrier piston However must use feature great caution possibility severely damaging engine piston should contact glow head always certain piston fitted tightly aluminum carrier Please note props present engine heavy load 57 x 3 6 x 3 props example demand less timing piston shims order increase torque output Medium-load props APC 5 Y2 x 2 Grish 5 x 3 can use increased timing may mean using two three piston shims Low-load props such Grish 5 x 3s cut 4/2 diameter APC 5 cut 5 4 may result using two piston shims cases note clearance between glow head piston also changes making timing adjustments yourself favor Read above again concept understood speak local engine expert better understand prop load relates bypass port exhaust timing numbers VA 049 engine unique offering feature order realize expected levels performance prop choice engine must tested determine exact number piston shims result highest power output April 1994 123 Important note fiddling piston shims possible run piston up high enough bore crash piston glowbead Take conservative approach adding 005 head shim 004 piston shim always double-check interference between piston head before starting engine attempting squeeze mix really tightly may find measured clearance being negative piston does actually hit glowbead close look Cox glowhead chamber will explain advised flirting disaster especially switching back forth between Cox 1702 GloBee GB-SR using 40% higher nitro fuel probably using too much compression anyway typical VA 049 comes factory set up way Russians like run engines Lots revs quite small props specific engine has approximately 1600 exhaust timing negative clearance head shims installed 004 between glowbead glowbead seat setup okay run-in Grish S x 3 prop cut 4 diameter although may want install total two three head shims order extend life glowhead during run-in CL Combat guys may want run two just piston shim conjunction 40% 50% nitro fuel very small diameter prop FF RC applications larger diameter props effective will require less timing/increased torque piston shims increased torque setup total three piston shims being suggested starting point Beginning stock run-in engine simply remove piston carrier hooking big end rod crankpin unscrewing piston Finger pressure remember piston free carrier add two piston shims being certain seated properly before reinstalling piston camer late June early July year premier Combat event takes place Seattle area Washington Bladder Grabber features triple-elimination AMA Fast Combat format coupled stereo prizes total $12000 worth Carver equipment Bladder Grabber 18 1993 top pilot Allen Deveuve San Diego California photographs accompany column show Allen getting traditional handshake Howard Rush congratulatory dousing ice water ever-mischievous Phil Granderson Its good contest win Plan trip Pacific Northwest 1994 avy Carrier/Perry Continued paqe 109 competition plenty strong enough environment Profile Carrier engine intake sized fit OS 4-series carburetor 135mm 532 inches carburetor included Standard configuration left-hand-rotation crankshaft use pusher props Bill Bischoffs 904 mph high speed Nationals achieved PAC 9 x 6P prop 40% nitro fuel Static rpm combination 17000 Timing follows 1600 exhaust l26 transfer boost open together intake open 400 ABDC close 550 ATDC Willy experimenting extending intake closing Right now 650 ATDC seems practical limit Carrier engine speeds Combat crankshaft could subsituted produce engine conventional right-hand rotation however timing different Combat engine designed 21500rpm 8 x 6 prop closes 720 ATDC may affect idle could present blowback problems lower Carrier engine speeds Youre own engine costs $175 bad considering dont have work top performance Custom lefthand cranks available engine $100 K&B 58 left-hand cranks available $50 Contact Willy Wileys Custom Motors 15605 Wright Brothers Addison TX 75244 Tel 214 245-6548 Autogiros still looking information Autogiros Carrier Focus Competition section can stop straining eyes hasnt appeared probably wont Since no real basis including autogiros within existing rules Bill Bischoff CLCB chairman has elected allow issue resolved rules cycle began January 1994 has published survey High-Low-Landing newsletter Navy Carrier Society NCS havent filled yours out yet dig out send results will used assist Navy Carrier Advisory Committee CLCB determining vote proposals will submitted arent member NCS theres still time join get survey sending $6 Mike Pugh HCR 51 Box 220 Stephenville TX 76401 have already seen draft proposal Bill Darkow would allow types rotary-wing aircraft modeled three classes Carrier Bill builder original Kayaba Ka- 1 model generated protest described October column Ill best keep informed issues develop sure read Focus Competition latest information Calculator Scoring Program portable computers becoming commonplace use contest management logical step AMA has used computers purpose Nationals will expanding use future least two PC-compatible programs scoring CL Navy Carrier plan publish before 1994 flying season will later column months offering much less expensive less complex solution automated score computation Radio Shack sells programmable 46function scientific calculator designation EC-4021 catalog number 65-984 has limited 40-step program memory can accommodate main program time no subprograms has three memory registers limited memory functions has basic arithmetic statistical trigonometric functions cannot truncate round numbers within memory capable logical switching After reading limitations may wondering mentioned mentioned because few redeeming characteristicsit readily available Radio Shack costs $1795 program memory though limited large enough store reasonably capable scoring program Navy Carrier also retains program turned off wrote program follows take advantage full program memory provide high degree accuracy flexibility program self-contained no additional calculations such averaging two watch readings required outside program no need remember constants calculator settings nothing must entered before program can run has enter times high speed record high-speed score scoresheet enter low-speed times record low-speed score enter landing bonus points write down total score problem program occasionally makes error final score Although problem sounds like fatal flaw bad sounds error never iho point occurs 25% timeThe displayed values high low total scores rounded nearest i/10 point required rules Because calculator cannot round numbers uses calculations cannot add displayed values get final score can add unrounded intermediate scores round final total occasional error easily detected comparing last digits high low-speed scores final score last digits high low scores 124 Model Aviation
Edition: Model Aviation - 1994/04
Page Numbers: 107, 121, 122, 123, 124
CONTROL LINE COMBAT MANY PILOTS use /2A Combat means sharpen reflexes larger-displacement Combat events nimble quick light-on-the-lines /2A models require think fast 35-foot lines have spinning pilots circle rapid rate Provided flying plush field five- six-ounce model built solid structural integrity encounters mother earth will result no damage years serious /2A engine available Cox Tee Dee 049 fine long did exceed red line about 24000 rpm used engines years broke thembroken cases crankshafts pistons rods ball-and-socket joints engines have also given countless hours fun very little cost Now several alternatives Cox 049 two options come Russia Stels 049 has developed manufactured Alexander Sasha Gieviesky engine man behind two-time World Champion Slava Believ beautiful little engines feature twin rear exhausts angle over under leading edge mounting lugs have same bolt pattern Cox Tee Dee 049 engine designed take Cox Tee Dee glow heads well GloBee two-piece racing heads aftermarket adapter Nelson glowplugs problem encountered copper shims come Cox heads have outside diameter just little too large fit comfortably cylinder seat little careful sanding gasket fixes engines respond well 40% 50% nitro fuel small 4- 4-inchdiameter props have using Grish 5 x 3 cut above-mentioned diameters also true up hubs balance blades cylinder Stels integrated cooling fins attached case three slotted bolts replaced Allen bolts did attempt lap-fit piston cylinder hard start first few runs Cox engines have owned use Nelson glowplug adapter two gaskets 40% nitro fuel two engines Neither engine has much time both show great potential would fair give numbers rpm speeds until fully broken Look data future columns engines available Scott Newkirk Race Force Inc PO Box 342 Edmonds WA 98020-0342 Tel 206 774-6456 Fax 206 775-1869 price currently $80 Plan spend extra $10 for a Nelson glowplug adapter also special Stels 049 glowplug available $4 10 $36 have some have yet tested engines about same weight Cox 049 can bolt right existing models have perform same other engine consider /2A Continued page 121 April 1994 107 Californian Phil Granderson demonstrates another way new Russian-made VA 049 isnt available through D&B congratulate winner Willie Neamura Ron Scoones applaud Imports contact dealers listed text Stels giant intake has its area reduced size spray bar view VA 049 clearly shows rear exhaust configuration Stels 049 manufactured developed Sasha Gieviesky 10th ANNUAL MARC SHOW FOR INFORMATiON CONTACT Shc Ddo RON STAHL 4621 BelIvieu Ave Baftimoi MD 21215 410-664-2712 DAVE MITCHELL 410668-6690 * NOW FULLY ABJR-CONDrnONEDI * MID ATLAN11C RADIO CONTROL JUNE4AND5 1994 SatuitlayO am 105 pm Sunday 10 am 4 pm MARYLAND STATE FAIR GROUNDS ilMONIUM MARYLAND Sponsoedby MAPP VhIJ INC TO YORK 45 YORK RD EXIT 171TO WLMINGTON PADOMA RD IlUONIUM FAIR TO FREORICICGROUNDS ilMONIUM RD95 70695 40695 3AMDBJ T WASNPKWY TO WASHINGTONNORTh Over 100 Manu1dumrs Staff C Displays Radio Kit & Equipment Raffle Door Pnzes Free Parking 5000 Cars Refreshment Centess Indoor & Outdoor Demonstrations Factoiy Teams Ainaft-Cais-Boats Radios-Engines Transmitter Testing 9000 Gallon Outdoor Boat Pond AS ALWAYS SELUNG SHOW stabilizers planform should also know -inch center piece laminated two pieces 1/ x 4 balsa should two /8 X 4 x 36 sheets kit box No callout sheet use given plan vertical fin rudder elevators constructed precut pieces t butt-glued together create correct outlines parts Throughout construction tail surfaces visually compared Uravitch plans against Ian Stair drawings components Mind didnt measure eyeballed model Fun Scale project Top Gun/Scale Masters contender simply counted compared CL Combat/Von Lopez Continued page 107 Combat VA 049 also Russia units being imported Dirty Dan Rutherford D&B Importl Export Inc 4705 237th Place SE Bothell WA 98021 Tel 206 481-5760 Fax 206 487-1735 VA 049 dealers Aldrich Models 210 656-2021 Bear Mfg Inc 708 946-6130 Kustom Kraftmanship 619 728-4365 Morris Hobbies 800 826-6054 T & Hobby Lobby 818 842-5062 Webster Hobby Shop 206 546-5159 Northwest Hobbies 206 number stabilizer ribs judged spacing close enough rock n roll forged ahead task constructing Fokkers tail parts closing thought develop skills properly try product can get hands form own opinions dont suggest product does mean dont like some cases may aware certain products Okay friends clean up goggles leather flying helmets practice sanding techniques well continue DVII next issue Until build straight fly safely Ill talk again 4392-1172 RC Model Shop 206 747-9914 also available directly D&B Import/Export listed earlier according Dirty Dan complete support dealers means frequently out stock dealers have inventory Parts course stocked depth available listed dealers Dan has taken considerable time putting together comprehensive set VA directions information such unique engine description heighten ones desire inspect unit current price about $50 check dealers sure following paragraphs come ZflAPPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90610 MINI ER ADJUSTABLE TENSION HAND BELT SANDER FIRMLY HOLDS MPER FOR EASIER SANDING Padded Bela curves Handy te NM EaayteUae$295 MRIl-STRIPSPRECISION DIE-CUT MedIum Barest SAVES TIMEREPLACEMENTFIne Garnet AND EFFORT $21 0 SANDING BELTS held Water Pfel -TEE ALUMINUM EXTRUSION SANDING BLOCK ter mae mRS RUFF-STUFF Sell-aibeelee awed pager e True Seats WenIWeerDaI ii us $310 HeedyteUse 225w $465 -RUFF 6 STUFF SELF ADHESIVE SHEET MAKE YOUR OWN SPECIAL SANDING SHAPES MedhmFIe$1 40 M I N 10OO COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw hia rugged dIe-cast barn mRS eelwtehls chlpyruet plastIc InBeet handle RecedIng ieee aid ad eateSle e Blase geed usfS semen Cute weed plastIc metel HARDENED MUSIC WIRE extra blades 34225 Add 20% postage Sand 5O catalog April 1994 121 SWAP SHOP $20 Per Day Indudes Admission NO DEALERS PLEASE Unit 2 tables per person -SWAP SHOP ONLYFor Piu-Registration call Vernon Davies 41 0-823-4562 IZeIX9 Dl heroes famous models big contests past come alive again Dave Thornburgs 300-page history American aeromodeling 9 DO YOU SPEAK MODEL AIRPLANE first twin pusher latest Ugly Stik Dozens illustrations LISA hundreds memories Order copy today Just $1995 postpaid.--cash check Visa/MO Pony X Press 5 MontIcello Dr Albuquerque NM 87123 505 299-8749 Still Available OLD BUZZARDS SOARING BOOK 160 pg about thermals $1695 pp CompactSMalIs Metala Booka e/AntlquelClasslc Aircraft LATHESSCALE DOCUMENTATION 11005 3-views Preciatote anomie 10000 dtotos c4J4PBELL TOOLS COsatisfaction guaranteed plete Catalog $2 vy taretsrniqaelone kind 62ttOMSehua Road catalog 5200 US fond 513322-8362927 5 Read 15k co 80226 OH 45505________________________________ J rICJTES~ FREE COLOR CATALOG Choose cRier 200 exciting kites unusual & innaove designs US-~ Call write catalog todayl 1408-MA Pearl St Boulder CO 80302 UflRIED AIRCRAY[ P1OS [ Teebmi fllustrations Suitable control Une Electoto Power AJC AIrplanes 3 Y1CUS D-TECH SYSTEMSPenn Valley Hobby Center , 325 Shawsee TrailI837-AW Main St Lanstiale PA 19448 LaT810gCarteryfla IL 62919I L61B9852383j R/C Combat Gremlin RCM 12/92 e a aAffordable Cuntoso Cores Modotors Modolors Obechi Larac SheetsCombat Groostioc Corns $12 Olson kits $20 somptotos no scood Fruit kits alt stood $35 Cosobut newsletter oaob shoot/fall kit Please call 509-548520Uparudo glider soon intortandioto tovot aocw wing 1S3021 0D7037 Gooslo Lady Spirit 2M fall wiog kits $35 Dodgcr Larson 23 Quickoc 500 corns-SOpor pair send SASE toCssctoor pro-sheeted wings available balsa oboobi 12306 BergstrasseLot cat yossr ttont club project Custom core quantity discouols add 55 S&H CODs add $6 additiocal Leavenworth WA 98826RA Cores po Ban 863 Soathbridgr MA 01550 508765-9008 Bob Fioreuzej Hobby Center Inc UPS Orders Shipped Daily Dealer Yellow Aircraft send *aoo Yellow Info PackageZ VeitourShowrooml36min fromOs WoeldI Full Une Hobby Accessories 420 West SR 434 Winter SprIngs FL 32708407 Glider Release PlaIt orm left catty & release o glider ott bock 01st esioling high wing powerplone Ills allacfwd lO& removed power plate quickly & easily Glider Remote PigIform teltconlained lighlweighl eoty 10 build & lots fun Pluto include 2 theelt 18t24 & complele inoltuctitlo booklet pholot Send cbeck money order $1495 plus $150 P&H $18491 payable Robert Thibcdeau P0 Boo 323 Chellenbam MO 25023 instruction sheet included engine VA 049 08cc Engine VA 049 has designed very lightweight high-performance competition engine suitable events goal supply modelers engine lighter other available using current technology materials offer increased power compared US-produced standard us have used success As design work progressed need reliable method attaching piston rod apparent elegant solution seen VA 049an externally threaded carrier wristpin screwing internally threaded pistongives excellent reliability regarded superior other designs course no-brainer add option shimming piston offer variable compression timing Producer importer also intend offer VA 049 reasonable price goal feel has also reached Further details VA 049 has designed being produced Russias very best engine specialists VA 049 very light 35 grams/i 25 ounces powerful versatile piston manufactured high silicone-content aluminum crankcase case cylinder bore plated nickel/phosphorous combination referred AAN construction design has shown offer superior power long engine life improved glowhead life Suggested uses include FF AMA 1/2A Gas Payload [Editorrs note AMA Payload 020 engines] PAL PU Scale Sport CL 1/2A Combat /2A Racing Stunt 1/2A Proto Speed Sport RC Pylon Racing 1/2A Pattern ducted fans Glider Power Boost Sport Initial Setup VA 049 supplied setup high-speed operation 27000 rpm higher relatively small props Grish Tornado 5 x 3 cut 41/3 APC 51/2 x 2 cut 4 setup can used during run-in suggested disassemble engine install total three piston shims along total four head shims Extensive testing has shown resulting timing compression will give excellent power commonly used props Please review later section engine disassembly prior performing operation Suitable Propellers VA 049 designed operate high speeds except events like CL Stunt variable timing feature may taken extremes increase torque levels VA 049 must propped accordingly applications APC 57 x 3 122 Model Aviation BEGINNERS DONT GIVE UP Unfortunately MOST advertised RIC rainers much too fast unstable average beginner take heart because YOU COULD SOLO YOUR VERY FIRST TIME UP No longer mislead Thanks extensive trainer tlight-testing ever conducted hobby can now know advance ones will fly slow hands-off stable just so-so intermediate etraineras grossly misnamed pull no punches Send $350 plus 52 postage EASE-OF-FLYING RATINGS OF RIC TRAINERS Over 40 models evaluated includingARFsAlsogradesease-of-build ing explains basic aerodynamics dares address questions poor trainers good trainers marketed does no warn about GUARANTEED enlightening time-saving money-saving RIO publication heve ever read money back Also available Flying lessons written especially tor lone eagle must go alone aLearning Fly RIC Without Instructor $395 plus 750 postage Includes trouble-shooting flight problems Send check money order Jim Waterman 3819 Deerfield Dr San Antonio TX 78218 GIANT 5CALE 5FOTTANP 1/12 5CALE C0MAT ANt KIT 1usd fiG IAN lee 8. bedriss 4302N 750W Liaooier IN 4676 219J 8943370 6 x 3 props suggested maximum practical size may require fitting four piston shims Props suitable include Cox 5 x 3 Grish Tornado 5 x 3 APC 6 x 2 new APC 5/2 x 2 case will generally see best results propping VA 049 engine run 21000 28000 rpm range 25000 27000 preferred Note APC props must fitted fabricated bushing ensure proper safe centering propeller Disassembly VA 049 complicated engine handled reasonable care no reason avoid disassembly crankcase retaining nut removed using small cutout inside Cox universal wrench retaining nut will push prop driver shaft during removal piston can removed carrier tools cases will necessary attach lower end connecting rod crankpin order remove and/or tighten piston Use care rod obviously designed severe torsional loads no case may kind tool used piston surface piston may damaged piston forced out round Variable Timing Due unique method retaining piston connecting rod via trapped wristpin treaded aluminum carrier possible easily repeatedly vary compression bypass/exhaust timing removing adding shims between upper surfaces carrier piston However must use feature great caution possibility severely damaging engine piston should contact glow head always certain piston fitted tightly aluminum carrier Please note props present engine heavy load 57 x 3 6 x 3 props example demand less timing piston shims order increase torque output Medium-load props APC 5 Y2 x 2 Grish 5 x 3 can use increased timing may mean using two three piston shims Low-load props such Grish 5 x 3s cut 4/2 diameter APC 5 cut 5 4 may result using two piston shims cases note clearance between glow head piston also changes making timing adjustments yourself favor Read above again concept understood speak local engine expert better understand prop load relates bypass port exhaust timing numbers VA 049 engine unique offering feature order realize expected levels performance prop choice engine must tested determine exact number piston shims result highest power output April 1994 123 Important note fiddling piston shims possible run piston up high enough bore crash piston glowbead Take conservative approach adding 005 head shim 004 piston shim always double-check interference between piston head before starting engine attempting squeeze mix really tightly may find measured clearance being negative piston does actually hit glowbead close look Cox glowhead chamber will explain advised flirting disaster especially switching back forth between Cox 1702 GloBee GB-SR using 40% higher nitro fuel probably using too much compression anyway typical VA 049 comes factory set up way Russians like run engines Lots revs quite small props specific engine has approximately 1600 exhaust timing negative clearance head shims installed 004 between glowbead glowbead seat setup okay run-in Grish S x 3 prop cut 4 diameter although may want install total two three head shims order extend life glowhead during run-in CL Combat guys may want run two just piston shim conjunction 40% 50% nitro fuel very small diameter prop FF RC applications larger diameter props effective will require less timing/increased torque piston shims increased torque setup total three piston shims being suggested starting point Beginning stock run-in engine simply remove piston carrier hooking big end rod crankpin unscrewing piston Finger pressure remember piston free carrier add two piston shims being certain seated properly before reinstalling piston camer late June early July year premier Combat event takes place Seattle area Washington Bladder Grabber features triple-elimination AMA Fast Combat format coupled stereo prizes total $12000 worth Carver equipment Bladder Grabber 18 1993 top pilot Allen Deveuve San Diego California photographs accompany column show Allen getting traditional handshake Howard Rush congratulatory dousing ice water ever-mischievous Phil Granderson Its good contest win Plan trip Pacific Northwest 1994 avy Carrier/Perry Continued paqe 109 competition plenty strong enough environment Profile Carrier engine intake sized fit OS 4-series carburetor 135mm 532 inches carburetor included Standard configuration left-hand-rotation crankshaft use pusher props Bill Bischoffs 904 mph high speed Nationals achieved PAC 9 x 6P prop 40% nitro fuel Static rpm combination 17000 Timing follows 1600 exhaust l26 transfer boost open together intake open 400 ABDC close 550 ATDC Willy experimenting extending intake closing Right now 650 ATDC seems practical limit Carrier engine speeds Combat crankshaft could subsituted produce engine conventional right-hand rotation however timing different Combat engine designed 21500rpm 8 x 6 prop closes 720 ATDC may affect idle could present blowback problems lower Carrier engine speeds Youre own engine costs $175 bad considering dont have work top performance Custom lefthand cranks available engine $100 K&B 58 left-hand cranks available $50 Contact Willy Wileys Custom Motors 15605 Wright Brothers Addison TX 75244 Tel 214 245-6548 Autogiros still looking information Autogiros Carrier Focus Competition section can stop straining eyes hasnt appeared probably wont Since no real basis including autogiros within existing rules Bill Bischoff CLCB chairman has elected allow issue resolved rules cycle began January 1994 has published survey High-Low-Landing newsletter Navy Carrier Society NCS havent filled yours out yet dig out send results will used assist Navy Carrier Advisory Committee CLCB determining vote proposals will submitted arent member NCS theres still time join get survey sending $6 Mike Pugh HCR 51 Box 220 Stephenville TX 76401 have already seen draft proposal Bill Darkow would allow types rotary-wing aircraft modeled three classes Carrier Bill builder original Kayaba Ka- 1 model generated protest described October column Ill best keep informed issues develop sure read Focus Competition latest information Calculator Scoring Program portable computers becoming commonplace use contest management logical step AMA has used computers purpose Nationals will expanding use future least two PC-compatible programs scoring CL Navy Carrier plan publish before 1994 flying season will later column months offering much less expensive less complex solution automated score computation Radio Shack sells programmable 46function scientific calculator designation EC-4021 catalog number 65-984 has limited 40-step program memory can accommodate main program time no subprograms has three memory registers limited memory functions has basic arithmetic statistical trigonometric functions cannot truncate round numbers within memory capable logical switching After reading limitations may wondering mentioned mentioned because few redeeming characteristicsit readily available Radio Shack costs $1795 program memory though limited large enough store reasonably capable scoring program Navy Carrier also retains program turned off wrote program follows take advantage full program memory provide high degree accuracy flexibility program self-contained no additional calculations such averaging two watch readings required outside program no need remember constants calculator settings nothing must entered before program can run has enter times high speed record high-speed score scoresheet enter low-speed times record low-speed score enter landing bonus points write down total score problem program occasionally makes error final score Although problem sounds like fatal flaw bad sounds error never iho point occurs 25% timeThe displayed values high low total scores rounded nearest i/10 point required rules Because calculator cannot round numbers uses calculations cannot add displayed values get final score can add unrounded intermediate scores round final total occasional error easily detected comparing last digits high low-speed scores final score last digits high low scores 124 Model Aviation
Edition: Model Aviation - 1994/04
Page Numbers: 107, 121, 122, 123, 124
CONTROL LINE COMBAT MANY PILOTS use /2A Combat means sharpen reflexes larger-displacement Combat events nimble quick light-on-the-lines /2A models require think fast 35-foot lines have spinning pilots circle rapid rate Provided flying plush field five- six-ounce model built solid structural integrity encounters mother earth will result no damage years serious /2A engine available Cox Tee Dee 049 fine long did exceed red line about 24000 rpm used engines years broke thembroken cases crankshafts pistons rods ball-and-socket joints engines have also given countless hours fun very little cost Now several alternatives Cox 049 two options come Russia Stels 049 has developed manufactured Alexander Sasha Gieviesky engine man behind two-time World Champion Slava Believ beautiful little engines feature twin rear exhausts angle over under leading edge mounting lugs have same bolt pattern Cox Tee Dee 049 engine designed take Cox Tee Dee glow heads well GloBee two-piece racing heads aftermarket adapter Nelson glowplugs problem encountered copper shims come Cox heads have outside diameter just little too large fit comfortably cylinder seat little careful sanding gasket fixes engines respond well 40% 50% nitro fuel small 4- 4-inchdiameter props have using Grish 5 x 3 cut above-mentioned diameters also true up hubs balance blades cylinder Stels integrated cooling fins attached case three slotted bolts replaced Allen bolts did attempt lap-fit piston cylinder hard start first few runs Cox engines have owned use Nelson glowplug adapter two gaskets 40% nitro fuel two engines Neither engine has much time both show great potential would fair give numbers rpm speeds until fully broken Look data future columns engines available Scott Newkirk Race Force Inc PO Box 342 Edmonds WA 98020-0342 Tel 206 774-6456 Fax 206 775-1869 price currently $80 Plan spend extra $10 for a Nelson glowplug adapter also special Stels 049 glowplug available $4 10 $36 have some have yet tested engines about same weight Cox 049 can bolt right existing models have perform same other engine consider /2A Continued page 121 April 1994 107 Californian Phil Granderson demonstrates another way new Russian-made VA 049 isnt available through D&B congratulate winner Willie Neamura Ron Scoones applaud Imports contact dealers listed text Stels giant intake has its area reduced size spray bar view VA 049 clearly shows rear exhaust configuration Stels 049 manufactured developed Sasha Gieviesky 10th ANNUAL MARC SHOW FOR INFORMATiON CONTACT Shc Ddo RON STAHL 4621 BelIvieu Ave Baftimoi MD 21215 410-664-2712 DAVE MITCHELL 410668-6690 * NOW FULLY ABJR-CONDrnONEDI * MID ATLAN11C RADIO CONTROL JUNE4AND5 1994 SatuitlayO am 105 pm Sunday 10 am 4 pm MARYLAND STATE FAIR GROUNDS ilMONIUM MARYLAND Sponsoedby MAPP VhIJ INC TO YORK 45 YORK RD EXIT 171TO WLMINGTON PADOMA RD IlUONIUM FAIR TO FREORICICGROUNDS ilMONIUM RD95 70695 40695 3AMDBJ T WASNPKWY TO WASHINGTONNORTh Over 100 Manu1dumrs Staff C Displays Radio Kit & Equipment Raffle Door Pnzes Free Parking 5000 Cars Refreshment Centess Indoor & Outdoor Demonstrations Factoiy Teams Ainaft-Cais-Boats Radios-Engines Transmitter Testing 9000 Gallon Outdoor Boat Pond AS ALWAYS SELUNG SHOW stabilizers planform should also know -inch center piece laminated two pieces 1/ x 4 balsa should two /8 X 4 x 36 sheets kit box No callout sheet use given plan vertical fin rudder elevators constructed precut pieces t butt-glued together create correct outlines parts Throughout construction tail surfaces visually compared Uravitch plans against Ian Stair drawings components Mind didnt measure eyeballed model Fun Scale project Top Gun/Scale Masters contender simply counted compared CL Combat/Von Lopez Continued page 107 Combat VA 049 also Russia units being imported Dirty Dan Rutherford D&B Importl Export Inc 4705 237th Place SE Bothell WA 98021 Tel 206 481-5760 Fax 206 487-1735 VA 049 dealers Aldrich Models 210 656-2021 Bear Mfg Inc 708 946-6130 Kustom Kraftmanship 619 728-4365 Morris Hobbies 800 826-6054 T & Hobby Lobby 818 842-5062 Webster Hobby Shop 206 546-5159 Northwest Hobbies 206 number stabilizer ribs judged spacing close enough rock n roll forged ahead task constructing Fokkers tail parts closing thought develop skills properly try product can get hands form own opinions dont suggest product does mean dont like some cases may aware certain products Okay friends clean up goggles leather flying helmets practice sanding techniques well continue DVII next issue Until build straight fly safely Ill talk again 4392-1172 RC Model Shop 206 747-9914 also available directly D&B Import/Export listed earlier according Dirty Dan complete support dealers means frequently out stock dealers have inventory Parts course stocked depth available listed dealers Dan has taken considerable time putting together comprehensive set VA directions information such unique engine description heighten ones desire inspect unit current price about $50 check dealers sure following paragraphs come ZflAPPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90610 MINI ER ADJUSTABLE TENSION HAND BELT SANDER FIRMLY HOLDS MPER FOR EASIER SANDING Padded Bela curves Handy te NM EaayteUae$295 MRIl-STRIPSPRECISION DIE-CUT MedIum Barest SAVES TIMEREPLACEMENTFIne Garnet AND EFFORT $21 0 SANDING BELTS held Water Pfel -TEE ALUMINUM EXTRUSION SANDING BLOCK ter mae mRS RUFF-STUFF Sell-aibeelee awed pager e True Seats WenIWeerDaI ii us $310 HeedyteUse 225w $465 -RUFF 6 STUFF SELF ADHESIVE SHEET MAKE YOUR OWN SPECIAL SANDING SHAPES MedhmFIe$1 40 M I N 10OO COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw hia rugged dIe-cast barn mRS eelwtehls chlpyruet plastIc InBeet handle RecedIng ieee aid ad eateSle e Blase geed usfS semen Cute weed plastIc metel HARDENED MUSIC WIRE extra blades 34225 Add 20% postage Sand 5O catalog April 1994 121 SWAP SHOP $20 Per Day Indudes Admission NO DEALERS PLEASE Unit 2 tables per person -SWAP SHOP ONLYFor Piu-Registration call Vernon Davies 41 0-823-4562 IZeIX9 Dl heroes famous models big contests past come alive again Dave Thornburgs 300-page history American aeromodeling 9 DO YOU SPEAK MODEL AIRPLANE first twin pusher latest Ugly Stik Dozens illustrations LISA hundreds memories Order copy today Just $1995 postpaid.--cash check Visa/MO Pony X Press 5 MontIcello Dr Albuquerque NM 87123 505 299-8749 Still Available OLD BUZZARDS SOARING BOOK 160 pg about thermals $1695 pp CompactSMalIs Metala Booka e/AntlquelClasslc Aircraft LATHESSCALE DOCUMENTATION 11005 3-views Preciatote anomie 10000 dtotos c4J4PBELL TOOLS COsatisfaction guaranteed plete Catalog $2 vy taretsrniqaelone kind 62ttOMSehua Road catalog 5200 US fond 513322-8362927 5 Read 15k co 80226 OH 45505________________________________ J rICJTES~ FREE COLOR CATALOG Choose cRier 200 exciting kites unusual & innaove designs US-~ Call write catalog todayl 1408-MA Pearl St Boulder CO 80302 UflRIED AIRCRAY[ P1OS [ Teebmi fllustrations Suitable control Une Electoto Power AJC AIrplanes 3 Y1CUS D-TECH SYSTEMSPenn Valley Hobby Center , 325 Shawsee TrailI837-AW Main St Lanstiale PA 19448 LaT810gCarteryfla IL 62919I L61B9852383j R/C Combat Gremlin RCM 12/92 e a aAffordable Cuntoso Cores Modotors Modolors Obechi Larac SheetsCombat Groostioc Corns $12 Olson kits $20 somptotos no scood Fruit kits alt stood $35 Cosobut newsletter oaob shoot/fall kit Please call 509-548520Uparudo glider soon intortandioto tovot aocw wing 1S3021 0D7037 Gooslo Lady Spirit 2M fall wiog kits $35 Dodgcr Larson 23 Quickoc 500 corns-SOpor pair send SASE toCssctoor pro-sheeted wings available balsa oboobi 12306 BergstrasseLot cat yossr ttont club project Custom core quantity discouols add 55 S&H CODs add $6 additiocal Leavenworth WA 98826RA Cores po Ban 863 Soathbridgr MA 01550 508765-9008 Bob Fioreuzej Hobby Center Inc UPS Orders Shipped Daily Dealer Yellow Aircraft send *aoo Yellow Info PackageZ VeitourShowrooml36min fromOs WoeldI Full Une Hobby Accessories 420 West SR 434 Winter SprIngs FL 32708407 Glider Release PlaIt orm left catty & release o glider ott bock 01st esioling high wing powerplone Ills allacfwd lO& removed power plate quickly & easily Glider Remote PigIform teltconlained lighlweighl eoty 10 build & lots fun Pluto include 2 theelt 18t24 & complele inoltuctitlo booklet pholot Send cbeck money order $1495 plus $150 P&H $18491 payable Robert Thibcdeau P0 Boo 323 Chellenbam MO 25023 instruction sheet included engine VA 049 08cc Engine VA 049 has designed very lightweight high-performance competition engine suitable events goal supply modelers engine lighter other available using current technology materials offer increased power compared US-produced standard us have used success As design work progressed need reliable method attaching piston rod apparent elegant solution seen VA 049an externally threaded carrier wristpin screwing internally threaded pistongives excellent reliability regarded superior other designs course no-brainer add option shimming piston offer variable compression timing Producer importer also intend offer VA 049 reasonable price goal feel has also reached Further details VA 049 has designed being produced Russias very best engine specialists VA 049 very light 35 grams/i 25 ounces powerful versatile piston manufactured high silicone-content aluminum crankcase case cylinder bore plated nickel/phosphorous combination referred AAN construction design has shown offer superior power long engine life improved glowhead life Suggested uses include FF AMA 1/2A Gas Payload [Editorrs note AMA Payload 020 engines] PAL PU Scale Sport CL 1/2A Combat /2A Racing Stunt 1/2A Proto Speed Sport RC Pylon Racing 1/2A Pattern ducted fans Glider Power Boost Sport Initial Setup VA 049 supplied setup high-speed operation 27000 rpm higher relatively small props Grish Tornado 5 x 3 cut 41/3 APC 51/2 x 2 cut 4 setup can used during run-in suggested disassemble engine install total three piston shims along total four head shims Extensive testing has shown resulting timing compression will give excellent power commonly used props Please review later section engine disassembly prior performing operation Suitable Propellers VA 049 designed operate high speeds except events like CL Stunt variable timing feature may taken extremes increase torque levels VA 049 must propped accordingly applications APC 57 x 3 122 Model Aviation BEGINNERS DONT GIVE UP Unfortunately MOST advertised RIC rainers much too fast unstable average beginner take heart because YOU COULD SOLO YOUR VERY FIRST TIME UP No longer mislead Thanks extensive trainer tlight-testing ever conducted hobby can now know advance ones will fly slow hands-off stable just so-so intermediate etraineras grossly misnamed pull no punches Send $350 plus 52 postage EASE-OF-FLYING RATINGS OF RIC TRAINERS Over 40 models evaluated includingARFsAlsogradesease-of-build ing explains basic aerodynamics dares address questions poor trainers good trainers marketed does no warn about GUARANTEED enlightening time-saving money-saving RIO publication heve ever read money back Also available Flying lessons written especially tor lone eagle must go alone aLearning Fly RIC Without Instructor $395 plus 750 postage Includes trouble-shooting flight problems Send check money order Jim Waterman 3819 Deerfield Dr San Antonio TX 78218 GIANT 5CALE 5FOTTANP 1/12 5CALE C0MAT ANt KIT 1usd fiG IAN lee 8. bedriss 4302N 750W Liaooier IN 4676 219J 8943370 6 x 3 props suggested maximum practical size may require fitting four piston shims Props suitable include Cox 5 x 3 Grish Tornado 5 x 3 APC 6 x 2 new APC 5/2 x 2 case will generally see best results propping VA 049 engine run 21000 28000 rpm range 25000 27000 preferred Note APC props must fitted fabricated bushing ensure proper safe centering propeller Disassembly VA 049 complicated engine handled reasonable care no reason avoid disassembly crankcase retaining nut removed using small cutout inside Cox universal wrench retaining nut will push prop driver shaft during removal piston can removed carrier tools cases will necessary attach lower end connecting rod crankpin order remove and/or tighten piston Use care rod obviously designed severe torsional loads no case may kind tool used piston surface piston may damaged piston forced out round Variable Timing Due unique method retaining piston connecting rod via trapped wristpin treaded aluminum carrier possible easily repeatedly vary compression bypass/exhaust timing removing adding shims between upper surfaces carrier piston However must use feature great caution possibility severely damaging engine piston should contact glow head always certain piston fitted tightly aluminum carrier Please note props present engine heavy load 57 x 3 6 x 3 props example demand less timing piston shims order increase torque output Medium-load props APC 5 Y2 x 2 Grish 5 x 3 can use increased timing may mean using two three piston shims Low-load props such Grish 5 x 3s cut 4/2 diameter APC 5 cut 5 4 may result using two piston shims cases note clearance between glow head piston also changes making timing adjustments yourself favor Read above again concept understood speak local engine expert better understand prop load relates bypass port exhaust timing numbers VA 049 engine unique offering feature order realize expected levels performance prop choice engine must tested determine exact number piston shims result highest power output April 1994 123 Important note fiddling piston shims possible run piston up high enough bore crash piston glowbead Take conservative approach adding 005 head shim 004 piston shim always double-check interference between piston head before starting engine attempting squeeze mix really tightly may find measured clearance being negative piston does actually hit glowbead close look Cox glowhead chamber will explain advised flirting disaster especially switching back forth between Cox 1702 GloBee GB-SR using 40% higher nitro fuel probably using too much compression anyway typical VA 049 comes factory set up way Russians like run engines Lots revs quite small props specific engine has approximately 1600 exhaust timing negative clearance head shims installed 004 between glowbead glowbead seat setup okay run-in Grish S x 3 prop cut 4 diameter although may want install total two three head shims order extend life glowhead during run-in CL Combat guys may want run two just piston shim conjunction 40% 50% nitro fuel very small diameter prop FF RC applications larger diameter props effective will require less timing/increased torque piston shims increased torque setup total three piston shims being suggested starting point Beginning stock run-in engine simply remove piston carrier hooking big end rod crankpin unscrewing piston Finger pressure remember piston free carrier add two piston shims being certain seated properly before reinstalling piston camer late June early July year premier Combat event takes place Seattle area Washington Bladder Grabber features triple-elimination AMA Fast Combat format coupled stereo prizes total $12000 worth Carver equipment Bladder Grabber 18 1993 top pilot Allen Deveuve San Diego California photographs accompany column show Allen getting traditional handshake Howard Rush congratulatory dousing ice water ever-mischievous Phil Granderson Its good contest win Plan trip Pacific Northwest 1994 avy Carrier/Perry Continued paqe 109 competition plenty strong enough environment Profile Carrier engine intake sized fit OS 4-series carburetor 135mm 532 inches carburetor included Standard configuration left-hand-rotation crankshaft use pusher props Bill Bischoffs 904 mph high speed Nationals achieved PAC 9 x 6P prop 40% nitro fuel Static rpm combination 17000 Timing follows 1600 exhaust l26 transfer boost open together intake open 400 ABDC close 550 ATDC Willy experimenting extending intake closing Right now 650 ATDC seems practical limit Carrier engine speeds Combat crankshaft could subsituted produce engine conventional right-hand rotation however timing different Combat engine designed 21500rpm 8 x 6 prop closes 720 ATDC may affect idle could present blowback problems lower Carrier engine speeds Youre own engine costs $175 bad considering dont have work top performance Custom lefthand cranks available engine $100 K&B 58 left-hand cranks available $50 Contact Willy Wileys Custom Motors 15605 Wright Brothers Addison TX 75244 Tel 214 245-6548 Autogiros still looking information Autogiros Carrier Focus Competition section can stop straining eyes hasnt appeared probably wont Since no real basis including autogiros within existing rules Bill Bischoff CLCB chairman has elected allow issue resolved rules cycle began January 1994 has published survey High-Low-Landing newsletter Navy Carrier Society NCS havent filled yours out yet dig out send results will used assist Navy Carrier Advisory Committee CLCB determining vote proposals will submitted arent member NCS theres still time join get survey sending $6 Mike Pugh HCR 51 Box 220 Stephenville TX 76401 have already seen draft proposal Bill Darkow would allow types rotary-wing aircraft modeled three classes Carrier Bill builder original Kayaba Ka- 1 model generated protest described October column Ill best keep informed issues develop sure read Focus Competition latest information Calculator Scoring Program portable computers becoming commonplace use contest management logical step AMA has used computers purpose Nationals will expanding use future least two PC-compatible programs scoring CL Navy Carrier plan publish before 1994 flying season will later column months offering much less expensive less complex solution automated score computation Radio Shack sells programmable 46function scientific calculator designation EC-4021 catalog number 65-984 has limited 40-step program memory can accommodate main program time no subprograms has three memory registers limited memory functions has basic arithmetic statistical trigonometric functions cannot truncate round numbers within memory capable logical switching After reading limitations may wondering mentioned mentioned because few redeeming characteristicsit readily available Radio Shack costs $1795 program memory though limited large enough store reasonably capable scoring program Navy Carrier also retains program turned off wrote program follows take advantage full program memory provide high degree accuracy flexibility program self-contained no additional calculations such averaging two watch readings required outside program no need remember constants calculator settings nothing must entered before program can run has enter times high speed record high-speed score scoresheet enter low-speed times record low-speed score enter landing bonus points write down total score problem program occasionally makes error final score Although problem sounds like fatal flaw bad sounds error never iho point occurs 25% timeThe displayed values high low total scores rounded nearest i/10 point required rules Because calculator cannot round numbers uses calculations cannot add displayed values get final score can add unrounded intermediate scores round final total occasional error easily detected comparing last digits high low-speed scores final score last digits high low scores 124 Model Aviation
Edition: Model Aviation - 1994/04
Page Numbers: 107, 121, 122, 123, 124
CONTROL LINE COMBAT MANY PILOTS use /2A Combat means sharpen reflexes larger-displacement Combat events nimble quick light-on-the-lines /2A models require think fast 35-foot lines have spinning pilots circle rapid rate Provided flying plush field five- six-ounce model built solid structural integrity encounters mother earth will result no damage years serious /2A engine available Cox Tee Dee 049 fine long did exceed red line about 24000 rpm used engines years broke thembroken cases crankshafts pistons rods ball-and-socket joints engines have also given countless hours fun very little cost Now several alternatives Cox 049 two options come Russia Stels 049 has developed manufactured Alexander Sasha Gieviesky engine man behind two-time World Champion Slava Believ beautiful little engines feature twin rear exhausts angle over under leading edge mounting lugs have same bolt pattern Cox Tee Dee 049 engine designed take Cox Tee Dee glow heads well GloBee two-piece racing heads aftermarket adapter Nelson glowplugs problem encountered copper shims come Cox heads have outside diameter just little too large fit comfortably cylinder seat little careful sanding gasket fixes engines respond well 40% 50% nitro fuel small 4- 4-inchdiameter props have using Grish 5 x 3 cut above-mentioned diameters also true up hubs balance blades cylinder Stels integrated cooling fins attached case three slotted bolts replaced Allen bolts did attempt lap-fit piston cylinder hard start first few runs Cox engines have owned use Nelson glowplug adapter two gaskets 40% nitro fuel two engines Neither engine has much time both show great potential would fair give numbers rpm speeds until fully broken Look data future columns engines available Scott Newkirk Race Force Inc PO Box 342 Edmonds WA 98020-0342 Tel 206 774-6456 Fax 206 775-1869 price currently $80 Plan spend extra $10 for a Nelson glowplug adapter also special Stels 049 glowplug available $4 10 $36 have some have yet tested engines about same weight Cox 049 can bolt right existing models have perform same other engine consider /2A Continued page 121 April 1994 107 Californian Phil Granderson demonstrates another way new Russian-made VA 049 isnt available through D&B congratulate winner Willie Neamura Ron Scoones applaud Imports contact dealers listed text Stels giant intake has its area reduced size spray bar view VA 049 clearly shows rear exhaust configuration Stels 049 manufactured developed Sasha Gieviesky 10th ANNUAL MARC SHOW FOR INFORMATiON CONTACT Shc Ddo RON STAHL 4621 BelIvieu Ave Baftimoi MD 21215 410-664-2712 DAVE MITCHELL 410668-6690 * NOW FULLY ABJR-CONDrnONEDI * MID ATLAN11C RADIO CONTROL JUNE4AND5 1994 SatuitlayO am 105 pm Sunday 10 am 4 pm MARYLAND STATE FAIR GROUNDS ilMONIUM MARYLAND Sponsoedby MAPP VhIJ INC TO YORK 45 YORK RD EXIT 171TO WLMINGTON PADOMA RD IlUONIUM FAIR TO FREORICICGROUNDS ilMONIUM RD95 70695 40695 3AMDBJ T WASNPKWY TO WASHINGTONNORTh Over 100 Manu1dumrs Staff C Displays Radio Kit & Equipment Raffle Door Pnzes Free Parking 5000 Cars Refreshment Centess Indoor & Outdoor Demonstrations Factoiy Teams Ainaft-Cais-Boats Radios-Engines Transmitter Testing 9000 Gallon Outdoor Boat Pond AS ALWAYS SELUNG SHOW stabilizers planform should also know -inch center piece laminated two pieces 1/ x 4 balsa should two /8 X 4 x 36 sheets kit box No callout sheet use given plan vertical fin rudder elevators constructed precut pieces t butt-glued together create correct outlines parts Throughout construction tail surfaces visually compared Uravitch plans against Ian Stair drawings components Mind didnt measure eyeballed model Fun Scale project Top Gun/Scale Masters contender simply counted compared CL Combat/Von Lopez Continued page 107 Combat VA 049 also Russia units being imported Dirty Dan Rutherford D&B Importl Export Inc 4705 237th Place SE Bothell WA 98021 Tel 206 481-5760 Fax 206 487-1735 VA 049 dealers Aldrich Models 210 656-2021 Bear Mfg Inc 708 946-6130 Kustom Kraftmanship 619 728-4365 Morris Hobbies 800 826-6054 T & Hobby Lobby 818 842-5062 Webster Hobby Shop 206 546-5159 Northwest Hobbies 206 number stabilizer ribs judged spacing close enough rock n roll forged ahead task constructing Fokkers tail parts closing thought develop skills properly try product can get hands form own opinions dont suggest product does mean dont like some cases may aware certain products Okay friends clean up goggles leather flying helmets practice sanding techniques well continue DVII next issue Until build straight fly safely Ill talk again 4392-1172 RC Model Shop 206 747-9914 also available directly D&B Import/Export listed earlier according Dirty Dan complete support dealers means frequently out stock dealers have inventory Parts course stocked depth available listed dealers Dan has taken considerable time putting together comprehensive set VA directions information such unique engine description heighten ones desire inspect unit current price about $50 check dealers sure following paragraphs come ZflAPPLIED DESIGN CORPORATION PO Box 3384 Torrance CA 90610 MINI ER ADJUSTABLE TENSION HAND BELT SANDER FIRMLY HOLDS MPER FOR EASIER SANDING Padded Bela curves Handy te NM EaayteUae$295 MRIl-STRIPSPRECISION DIE-CUT MedIum Barest SAVES TIMEREPLACEMENTFIne Garnet AND EFFORT $21 0 SANDING BELTS held Water Pfel -TEE ALUMINUM EXTRUSION SANDING BLOCK ter mae mRS RUFF-STUFF Sell-aibeelee awed pager e True Seats WenIWeerDaI ii us $310 HeedyteUse 225w $465 -RUFF 6 STUFF SELF ADHESIVE SHEET MAKE YOUR OWN SPECIAL SANDING SHAPES MedhmFIe$1 40 M I N 10OO COMPACT 10 inch HACK SAW SAWS ANYTHING ANYWHERE Saw hia rugged dIe-cast barn mRS eelwtehls chlpyruet plastIc InBeet handle RecedIng ieee aid ad eateSle e Blase geed usfS semen Cute weed plastIc metel HARDENED MUSIC WIRE extra blades 34225 Add 20% postage Sand 5O catalog April 1994 121 SWAP SHOP $20 Per Day Indudes Admission NO DEALERS PLEASE Unit 2 tables per person -SWAP SHOP ONLYFor Piu-Registration call Vernon Davies 41 0-823-4562 IZeIX9 Dl heroes famous models big contests past come alive again Dave Thornburgs 300-page history American aeromodeling 9 DO YOU SPEAK MODEL AIRPLANE first twin pusher latest Ugly Stik Dozens illustrations LISA hundreds memories Order copy today Just $1995 postpaid.--cash check Visa/MO Pony X Press 5 MontIcello Dr Albuquerque NM 87123 505 299-8749 Still Available OLD BUZZARDS SOARING BOOK 160 pg about thermals $1695 pp CompactSMalIs Metala Booka e/AntlquelClasslc Aircraft LATHESSCALE DOCUMENTATION 11005 3-views Preciatote anomie 10000 dtotos c4J4PBELL TOOLS COsatisfaction guaranteed plete Catalog $2 vy taretsrniqaelone kind 62ttOMSehua Road catalog 5200 US fond 513322-8362927 5 Read 15k co 80226 OH 45505________________________________ J rICJTES~ FREE COLOR CATALOG Choose cRier 200 exciting kites unusual & innaove designs US-~ Call write catalog todayl 1408-MA Pearl St Boulder CO 80302 UflRIED AIRCRAY[ P1OS [ Teebmi fllustrations Suitable control Une Electoto Power AJC AIrplanes 3 Y1CUS D-TECH SYSTEMSPenn Valley Hobby Center , 325 Shawsee TrailI837-AW Main St Lanstiale PA 19448 LaT810gCarteryfla IL 62919I L61B9852383j R/C Combat Gremlin RCM 12/92 e a aAffordable Cuntoso Cores Modotors Modolors Obechi Larac SheetsCombat Groostioc Corns $12 Olson kits $20 somptotos no scood Fruit kits alt stood $35 Cosobut newsletter oaob shoot/fall kit Please call 509-548520Uparudo glider soon intortandioto tovot aocw wing 1S3021 0D7037 Gooslo Lady Spirit 2M fall wiog kits $35 Dodgcr Larson 23 Quickoc 500 corns-SOpor pair send SASE toCssctoor pro-sheeted wings available balsa oboobi 12306 BergstrasseLot cat yossr ttont club project Custom core quantity discouols add 55 S&H CODs add $6 additiocal Leavenworth WA 98826RA Cores po Ban 863 Soathbridgr MA 01550 508765-9008 Bob Fioreuzej Hobby Center Inc UPS Orders Shipped Daily Dealer Yellow Aircraft send *aoo Yellow Info PackageZ VeitourShowrooml36min fromOs WoeldI Full Une Hobby Accessories 420 West SR 434 Winter SprIngs FL 32708407 Glider Release PlaIt orm left catty & release o glider ott bock 01st esioling high wing powerplone Ills allacfwd lO& removed power plate quickly & easily Glider Remote PigIform teltconlained lighlweighl eoty 10 build & lots fun Pluto include 2 theelt 18t24 & complele inoltuctitlo booklet pholot Send cbeck money order $1495 plus $150 P&H $18491 payable Robert Thibcdeau P0 Boo 323 Chellenbam MO 25023 instruction sheet included engine VA 049 08cc Engine VA 049 has designed very lightweight high-performance competition engine suitable events goal supply modelers engine lighter other available using current technology materials offer increased power compared US-produced standard us have used success As design work progressed need reliable method attaching piston rod apparent elegant solution seen VA 049an externally threaded carrier wristpin screwing internally threaded pistongives excellent reliability regarded superior other designs course no-brainer add option shimming piston offer variable compression timing Producer importer also intend offer VA 049 reasonable price goal feel has also reached Further details VA 049 has designed being produced Russias very best engine specialists VA 049 very light 35 grams/i 25 ounces powerful versatile piston manufactured high silicone-content aluminum crankcase case cylinder bore plated nickel/phosphorous combination referred AAN construction design has shown offer superior power long engine life improved glowhead life Suggested uses include FF AMA 1/2A Gas Payload [Editorrs note AMA Payload 020 engines] PAL PU Scale Sport CL 1/2A Combat /2A Racing Stunt 1/2A Proto Speed Sport RC Pylon Racing 1/2A Pattern ducted fans Glider Power Boost Sport Initial Setup VA 049 supplied setup high-speed operation 27000 rpm higher relatively small props Grish Tornado 5 x 3 cut 41/3 APC 51/2 x 2 cut 4 setup can used during run-in suggested disassemble engine install total three piston shims along total four head shims Extensive testing has shown resulting timing compression will give excellent power commonly used props Please review later section engine disassembly prior performing operation Suitable Propellers VA 049 designed operate high speeds except events like CL Stunt variable timing feature may taken extremes increase torque levels VA 049 must propped accordingly applications APC 57 x 3 122 Model Aviation BEGINNERS DONT GIVE UP Unfortunately MOST advertised RIC rainers much too fast unstable average beginner take heart because YOU COULD SOLO YOUR VERY FIRST TIME UP No longer mislead Thanks extensive trainer tlight-testing ever conducted hobby can now know advance ones will fly slow hands-off stable just so-so intermediate etraineras grossly misnamed pull no punches Send $350 plus 52 postage EASE-OF-FLYING RATINGS OF RIC TRAINERS Over 40 models evaluated includingARFsAlsogradesease-of-build ing explains basic aerodynamics dares address questions poor trainers good trainers marketed does no warn about GUARANTEED enlightening time-saving money-saving RIO publication heve ever read money back Also available Flying lessons written especially tor lone eagle must go alone aLearning Fly RIC Without Instructor $395 plus 750 postage Includes trouble-shooting flight problems Send check money order Jim Waterman 3819 Deerfield Dr San Antonio TX 78218 GIANT 5CALE 5FOTTANP 1/12 5CALE C0MAT ANt KIT 1usd fiG IAN lee 8. bedriss 4302N 750W Liaooier IN 4676 219J 8943370 6 x 3 props suggested maximum practical size may require fitting four piston shims Props suitable include Cox 5 x 3 Grish Tornado 5 x 3 APC 6 x 2 new APC 5/2 x 2 case will generally see best results propping VA 049 engine run 21000 28000 rpm range 25000 27000 preferred Note APC props must fitted fabricated bushing ensure proper safe centering propeller Disassembly VA 049 complicated engine handled reasonable care no reason avoid disassembly crankcase retaining nut removed using small cutout inside Cox universal wrench retaining nut will push prop driver shaft during removal piston can removed carrier tools cases will necessary attach lower end connecting rod crankpin order remove and/or tighten piston Use care rod obviously designed severe torsional loads no case may kind tool used piston surface piston may damaged piston forced out round Variable Timing Due unique method retaining piston connecting rod via trapped wristpin treaded aluminum carrier possible easily repeatedly vary compression bypass/exhaust timing removing adding shims between upper surfaces carrier piston However must use feature great caution possibility severely damaging engine piston should contact glow head always certain piston fitted tightly aluminum carrier Please note props present engine heavy load 57 x 3 6 x 3 props example demand less timing piston shims order increase torque output Medium-load props APC 5 Y2 x 2 Grish 5 x 3 can use increased timing may mean using two three piston shims Low-load props such Grish 5 x 3s cut 4/2 diameter APC 5 cut 5 4 may result using two piston shims cases note clearance between glow head piston also changes making timing adjustments yourself favor Read above again concept understood speak local engine expert better understand prop load relates bypass port exhaust timing numbers VA 049 engine unique offering feature order realize expected levels performance prop choice engine must tested determine exact number piston shims result highest power output April 1994 123 Important note fiddling piston shims possible run piston up high enough bore crash piston glowbead Take conservative approach adding 005 head shim 004 piston shim always double-check interference between piston head before starting engine attempting squeeze mix really tightly may find measured clearance being negative piston does actually hit glowbead close look Cox glowhead chamber will explain advised flirting disaster especially switching back forth between Cox 1702 GloBee GB-SR using 40% higher nitro fuel probably using too much compression anyway typical VA 049 comes factory set up way Russians like run engines Lots revs quite small props specific engine has approximately 1600 exhaust timing negative clearance head shims installed 004 between glowbead glowbead seat setup okay run-in Grish S x 3 prop cut 4 diameter although may want install total two three head shims order extend life glowhead during run-in CL Combat guys may want run two just piston shim conjunction 40% 50% nitro fuel very small diameter prop FF RC applications larger diameter props effective will require less timing/increased torque piston shims increased torque setup total three piston shims being suggested starting point Beginning stock run-in engine simply remove piston carrier hooking big end rod crankpin unscrewing piston Finger pressure remember piston free carrier add two piston shims being certain seated properly before reinstalling piston camer late June early July year premier Combat event takes place Seattle area Washington Bladder Grabber features triple-elimination AMA Fast Combat format coupled stereo prizes total $12000 worth Carver equipment Bladder Grabber 18 1993 top pilot Allen Deveuve San Diego California photographs accompany column show Allen getting traditional handshake Howard Rush congratulatory dousing ice water ever-mischievous Phil Granderson Its good contest win Plan trip Pacific Northwest 1994 avy Carrier/Perry Continued paqe 109 competition plenty strong enough environment Profile Carrier engine intake sized fit OS 4-series carburetor 135mm 532 inches carburetor included Standard configuration left-hand-rotation crankshaft use pusher props Bill Bischoffs 904 mph high speed Nationals achieved PAC 9 x 6P prop 40% nitro fuel Static rpm combination 17000 Timing follows 1600 exhaust l26 transfer boost open together intake open 400 ABDC close 550 ATDC Willy experimenting extending intake closing Right now 650 ATDC seems practical limit Carrier engine speeds Combat crankshaft could subsituted produce engine conventional right-hand rotation however timing different Combat engine designed 21500rpm 8 x 6 prop closes 720 ATDC may affect idle could present blowback problems lower Carrier engine speeds Youre own engine costs $175 bad considering dont have work top performance Custom lefthand cranks available engine $100 K&B 58 left-hand cranks available $50 Contact Willy Wileys Custom Motors 15605 Wright Brothers Addison TX 75244 Tel 214 245-6548 Autogiros still looking information Autogiros Carrier Focus Competition section can stop straining eyes hasnt appeared probably wont Since no real basis including autogiros within existing rules Bill Bischoff CLCB chairman has elected allow issue resolved rules cycle began January 1994 has published survey High-Low-Landing newsletter Navy Carrier Society NCS havent filled yours out yet dig out send results will used assist Navy Carrier Advisory Committee CLCB determining vote proposals will submitted arent member NCS theres still time join get survey sending $6 Mike Pugh HCR 51 Box 220 Stephenville TX 76401 have already seen draft proposal Bill Darkow would allow types rotary-wing aircraft modeled three classes Carrier Bill builder original Kayaba Ka- 1 model generated protest described October column Ill best keep informed issues develop sure read Focus Competition latest information Calculator Scoring Program portable computers becoming commonplace use contest management logical step AMA has used computers purpose Nationals will expanding use future least two PC-compatible programs scoring CL Navy Carrier plan publish before 1994 flying season will later column months offering much less expensive less complex solution automated score computation Radio Shack sells programmable 46function scientific calculator designation EC-4021 catalog number 65-984 has limited 40-step program memory can accommodate main program time no subprograms has three memory registers limited memory functions has basic arithmetic statistical trigonometric functions cannot truncate round numbers within memory capable logical switching After reading limitations may wondering mentioned mentioned because few redeeming characteristicsit readily available Radio Shack costs $1795 program memory though limited large enough store reasonably capable scoring program Navy Carrier also retains program turned off wrote program follows take advantage full program memory provide high degree accuracy flexibility program self-contained no additional calculations such averaging two watch readings required outside program no need remember constants calculator settings nothing must entered before program can run has enter times high speed record high-speed score scoresheet enter low-speed times record low-speed score enter landing bonus points write down total score problem program occasionally makes error final score Although problem sounds like fatal flaw bad sounds error never iho point occurs 25% timeThe displayed values high low total scores rounded nearest i/10 point required rules Because calculator cannot round numbers uses calculations cannot add displayed values get final score can add unrounded intermediate scores round final total occasional error easily detected comparing last digits high low-speed scores final score last digits high low scores 124 Model Aviation