An RC Combat model built Leningrad model aviation club members uerivea worn aesign famous Combat tiler former FAI World Champion Doroshenko plane easily flown beginners experienced fliers need limited Combat isnt easy keep eyes two models once zero kill just heightens thrill RC Combat fliers both former Soviet Union U Svetlana Filippova THE PLANES streak straight up descend spin silver wings glimmering zoom through series breathtaking maneuvers Theyre stable aerobatic same time models course full-scale airplanes some credit capably fly goes skill RC pilots guiding uninitiated can see planes represent military aircraft except streamers floating behind Yes RC Combat being flown country too former Soviet Union US people always searching new forms self-expression new sensations process inventing new types sport variations existing sport never-ending first RC Combat meet took place Leningrad during summer 1991 People invited other cities out-of-towners probably looked upon event mainly show modelers Leningrad saw first test exciting new adventure knows whether RC Combat will take hold country eventually forgotten development RC event former Soviet Union hindered problems indigenous radio systems now guys US alone Maybe knowing little bit about experiences building techniques will help motivate continue youre just starting out RC flying definitely ready Combat may find useful read SVETLANAS 24 Model Aviation about model featured article Its very easy build fun fly Now few words about three professional modelers founded RC Combat country Valeriy Panov Anatoliy Ponevin Anton Dranenkov work Leningrad model aviation sport club three really nice gentlemen experienced modelers special concentration RC Valeriy has flying RC models 25 years thats pretty long time Anatoliy flew FAI Combat number years Wanting learn about RC Combat structured asked some questions Anatoliy outlined following rules event 35cc maximum engine size Four minutes duration crew pilot mechanic may use model flight mechanic runs engine hand releases model just CL Combat events flight box 75 100 yards Judges subtract points model flies outside box Streamer length determined experimentally As FAI Combat points determined according time spent air number cuts Four official judges used An engine shutoff system required types fuel tuned pipes allowed Two other Leningrad modelers actively involved RC Combat Sergey Amelin Konstantin Karpov Both fly own designs two groups enthusiasts use contrasting methods achieve same aims Amelin s Karpovs models radically different flown Leningrad model aviation club members Club members fly models based design famous Combat flier former World Champion Doroshenko Sverdslovsk Doroshenko built prototype air shows found its characteristics perfect Panov Poneven Dranenkov have built three individualized interpretations Doroshenkos basic design Victor Dubov Leningrad designed 25cc engines models have flying weight 28 lb July1992 25 L TO II roflevin Dranenkov Panov Dranenkovs versions Doroshenko design has foam plasticlbalsal professional modelers Leningrad fiberglass wing leading edges aluminum alloy plate between engine fuel tank club show RC Combat designs Anatolly Ponevin holds ren ditions outstanding Combat design Ponevin has flying models since 1976 Close-up Doroshenko design variant built Anton Dranenkov outward deflection fins achieved shaping balsa side beams prior installation 5VETLN FLiPPQV/-I / / 73 BALS1 0 BALS EET N LS RIBS- N N 4 L5 / N 0 0 0 CD 0 i -3 HAAJK5 FOR YouR HELACENo YOLJ5URE VOU CN CArCN F WHEN WE LANE D ThLL AlE THE PlANS WERE PRAWN ON TIAE a/CK Ol OLD AAPoF THE USSR AAAAAA VAS Vs fl VASSALS LI6 CuBA 7 PIODEL LACALAL jiU IFL2ALSAALAAAAAA A523456 MN BA SATAAAAA VIUAPOA familiar Dan Rutherfords article Beliaevs Winner January 1991 Model Aviation will have no difficulty recognizing shared design elements typical Combat aircraft country Since construction basically straightforward Ill keep detailed instructions minimum Wing structure combines balsa ribs trailing edge foam plastic leading edge ailerons cut out balsa Two three nylon hinges will sufficient ribs cut out balsa sheet dimensions shown plan Cut leading edge using hot wire desired glue plywood web inside surface leading edge assembly wrapped drafting paper secured thinned 50/50 aliphatic V Sokolov L K Karpov designing original RC Combat model built later Karpoy Sergey Amelin July1992 27 1IV t VA CA 7f 1 ASSI -77-A ALA&ASALCLA 4Construction As look plan photos will show simple model Svetlanas RC Combat Plane Type Combat Wingspan 471/2 inches Recommended engine size type 35 cc 21 Cu Number RC channels recommended three Expected flying weight available Type construction foam/ply balsafiberglass Type covering/finish recommended film/paint resin did use CL Combat technique reinforcing structure Keviar thread left right leading edges simply glued together As Stunt flier whos accustomed taking consideration great stresses wing during maneuvers thought joint would too weak Combat flying however its sturdy needs Using lightening holes reduces weight thick balsa ribs enough can cover use Lavsan country US appropriate substitute would Mylar adhered 3M 77 spray unusual part wing construction foam plastic leading edge simple flat foam plastic sheet framed balsa beams covered both sides fiberglass sheet trailing edge glued sides balsa elevator attached opposite side two balsa fins secured two screws two remaining sides Easy enough Tail surfaces As secondary element construction fins need extremely rigid hence can made balsa Still recommend gluing together several balsa sheets grain running different directions shown plan Shape balsa side beams fins will slope outward after have attached Fuselage Because extensive use plywood structure extremely strong Except top about Ill say below fuselage conventional plywood box configuration sides determines fuselage shape bottom bent accordingly Think configuration shown plan simply starting point single shape wont satisfy taste little creative license order Bend bottom suit fuselage configuration glue sides bottom plywood formers fuel tank positioned between firewall former Fl sure drill hole shown plan fuselage side fuel line tank engine Formers Fl F2 reinforce wing leading edge abuts Fl balsa filler between wing F2 Make cuts fuselage wing tail surfaces before gluing parts place batteries servos located between F2 F3 plywood piece glued between trailing edge fuselage sides servo layout up Dont forget cradle fuel tank batteries foam rubber prevent vibration 025-in-thick foam-plastic top part hollow has small formers may cut shape desired top rests fuselage means two plywood pieces glued its lateral edges pieces cut 02 deeper edges abut assure top does move Two screws hold top firewall F3 Make cuts top aileron elevator pushrods placement cuts will determined particular servo layout Cover top fiberglass epoxy protect against harmful effects paint fuel Finally install sheet balsa top part extension Make certain offset engine thrust line shown plan highly maaeuverable aircraft has succeeded much better RC Combat Sergey Amelins Konstantin Karpov 5 models Amelin decided improve own design RC Combat still seemswell impossible Having some experience CL Combat can imagine hard would cut opponents streamer flying model RC CL Combat can control plane simply feel keeping eyes Continued page 70 28 Model Aviation Amelin RC Combat ship Like Karpov Amelin broke design conventions used Doroshenko model Close-up Amelins RC combat design Amelin has since modified craft close performance gap Doroshenko-style models An RC Combat model built Leningrad fliers rivets onlookers darts swoops through spate maneuvers BIG GLOW FUEL MANUFACTURED WITh THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines 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U] 70 Model Aviation Up AroundlAldrich Continued page 60 Open Stunt day proved unlike others subsequent years circle considerably higher scoring other days best single flight won youd better blow high circle hard work paid off however scored highest both circles say truth young senior contestant named Frank McMillan came out practice day critiqued other week helped lot shaping new hourglass maneuver Gerald Wagner placing close second scored 610 points 618 Gerry flew modified Chief called Black Midnight Torp 35 up front havent heard Gerry years someone knows tell him come back fly Nostalgia us miss him Rolland McDonald solid third big Strathmore Frank went place just behind Senior winner Art Pawloski Art flew own Detroiter-influenced Atom design Frank original Gambler later published Model Airplane News Bob Winks topped Junior event flying modified Palmer Thunderbird arrived Stunt circles Saturday morning misting rain As remember Art Pawloski first up rain increased during first flight About thing recall other winning second Walker trophy using finger windshield wiper clear water glasses decision fly black Nobler proved correctit fated Sunday flying demonstration before thousands spectators bellcrank other model came loose smashed concrete write want reply please enclose SASE done will always answer will accept phone calls please dont call writing will suffice have business run address 12822 Tarrytown San Antonio Texas 78233 Phone 512 656-2021 fax answers after six rings Svetlanas ROlFilipova Continued page 28 adversarys model too often its airplanes wing prop touches opponents streamer Think much harder must try cut opponents streamer keeping eyes two models once RC Combat guys say can done certainly cant easy hope some will consider building simple RC model never try out RC Combat know youll find just plain fun fly * U U U U U U U I I I U U U U I I U I I SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER US SIG-imported ROSSI engines come full 90 day SIG WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC . 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