Control Line: Combat

Combat DAN RUTHERFORD became alltime big money winner knocked off competition Northwest Bladder Grabber combat affair held September 26 Seattle First prize all-combat battle $1200 worth stereo equipment Dan reports took eight rounds make top plus other two flights because double kills five mid-airs out 56 matches flown about 65% matches ending kills turned out well flown easy equipment type meet Dans planes foam con struction smallest 410 sq largest 480 sq both weigh ing slightly 20 ounces win ning planes powered Fox seems trend rest country contest Dan shimmed up head 4 thousandths running 5% nitro proved enough have money meets past contests engines other merchandise have given away $1200 worth goodies sure takes combat out amateur category According organizers will $3000 up first place next year Better get plane reservations Seattle now San Francisco area fliers also com peted Northwest Bladder Grabber have different approach ulti mate combination Rich Brasher prefers lot hop-up work Fox 50% nitro smaller plane Dan believes new Top Flite pylon type 8 prop cut 81/4 diameter prop use Fox ferocious Rotation Charlie Johnson Station Rich calls brought ob servers knees its impressive Brasher made through fifth round winning several kills also just scar ing opponent ground Last weekend local Southern California meet managed get 5-second kill counting courtesy lap gave opponent Gary Stevens another Northwest terror also has very teresting technique Ive seen him use several matches up first just stays away guy after launches lap two later asks him hes got sure youre ready Well competition either insulted tempo rarily forgets about flying order think up wisecrack answer about time zap no streamer As mentioned previously Fox really winning lot contests short time has out us wondered giant square-hole masquerading venturi really necessary venturi round right Supertigre needle valve place two-piece unit didnt slow things down although settings easier 290 suction venturi produced over 100 mph Fuel consumption two ounces 1 minute 20 seconds wide-open venturi 30% nitro just over 3 minutes 290 Further test ing curtailed because test engine continued page 85 32 Model Aviation Above Worlds lightest FAI ship Built Les Pardue weighs 8 oz Old style Fox 15 60% nitro 280 sq Johnson picl Left Foam FAI design Jaco deRidder world champs Johnson picl Below Monobooms double booms Out Pretty model built Bill Grude So Cals #1 combatflierin 1975 Johnson pic d modelers have have using last 25 years will continue use years come Made building repairing wood models Super Model Cement strong clear quick drying fuel proof tube features long thin tip precise application re-sealable either pin cap Cat No 201 oz tube 0c LARGE ECONOMY DEVCON 30 MINUTE EPOXY IN BIG 4 OZ NONBREAKABLE SQUEEZE BOTTLES ideal modelers cement bonds metals wood fiberglas plastics Clear fuel proof HARDENER FOR 5 MINUTE EPOXY 9 oz combined wt No 209 5 Minute No 33 30 Minute RO PRODUCTS INCORPORATED onner Road Wauconda Illinois 60084 USA CL Combat/Johnson continued page 32 broke crank nothing new combat engines something everyone hoped would corrected latest design effort anyone consider ing buying motors use Slow Combat would advised seal up gap between suction ven turi case since very erratic needle settings will result Either 5-minute epoxy Luthers Goose Grease may used since just heat soldering gun will loosen epoxy enough remove venturi youre ready Fast Combat Fox engine will last long time suction wide open lot ni tro life expectancy crank about 25-30 hard runs regardless grinding radius things polishing special heat treating Dan Rutherford suggests keep ing track number runs crank just replacing after 30 hard runs before big meet done years Supertigre called preventive maintenance good way save damaging cases losing matches because blown cranks solution problem designed motor Rich Brasher has some test cranks made up machinst San Fran cisco area using four different alloys reported two broke right off other two have survived three times number runs hed ever gotten out Fox crank has some hardest working engines going business 120 mph Seattle fairly large plane can approach 100 loops per minute best part may cranks will made available general combat crowd 56-10 depending heat treating quantity ordered Rutherford has new cranks motor ders Brasher try break Lets hope Duke Fox can overcome crank problem really want informed about combat might join biggest best organization its kind Miniature Aircraft Combat Assoc MACA has nearly 500 members over USA rest world Members re ceive monthly newsletter pictures latest combat news results Membership available writing Tom Southern 2207 Paul Longview TX 75601 sure enclose full name address AMA MAAC number $500 live USA $1000 overseas just received four newsletters shirt fellow combat flier Sweden name Ingemar Larsson edits really class newsletter Swedish control-line group called SMAKA control-line events covered looks like favorite combat copies contained pages fine pictures articles Swedish well can almost read Id met Ingemar World Champs wed agreed exchange SMAKA MACA T-shirts Americans February 1977 85 SUPER MODEL GOOD OLD FASHIONED MODEL AIRPLANE CEMENT FOR WOOD MODELS Q&O~o S 9 CAT NO 201 60c J Rich Brasher Rotation Station ap proaches 100 loops minute 120 mph Fox 8-1/2 x 6-1/2 cut 8-1/4 Foam wing plastic film tightened holding briefly oven practice works OK Johnson pic MORE powerYELLOW m edPROPELL.. Bade G~ e\ee5Taco e 2 bY~OBlade thSIZeSeach 53544 6364354 86854 96106i 3 Blade Tractoc 5354 636-4504 3 Blade Pusiw 63504 CL Combat continued generally short goodies trade international meetings Most other contestants bring bags full badges other souvenirs own coun try trade MACA stickers gone first day traded off Bell Helmet beannie anyone going international meet Id suggest stocking up goodies trade off printing should know will California Nationals year chances rain either two proposed sites would practically zero little wind inland site Riverside gentle sea breeze Oxnard coast Far better conditions combat swamp Lake Charles wet wild Dayton Since no World Championship year might able draw some top FAI fliers abroad USA could gain valuable experience running FAI class competition better prepare us event get nod fullblown World Champs future latest trend both Fast Slow Combat has larger wings sim ple foam designs Dan Rutherford claims maximum 16 pieces 480 sq Humongous design no precision fits just drop bits jig pour epoxy over themwell ex actly imprecise new breed model features single half-inch rib center no center sheeting everything else fits mono-boom solves problem having beef up area under booms normal Neme sis type planes center section takes engine bellcrank leverage stresses Covering huge monsters becomes expensive adds almost two ounces case Humongous Disposable throwaway models being built dont really need fuel proofing since wont last long enough get fuel-soaked some pilots tried sparying coat urethane center section exhaust might get No other covering fuel proofing needed block 5 3 5 4 304 6364354 747678504 648688654 949697q8 04106854 114116118i RC 124 125126$150 GRISH Os ST JOHN ND ANA 48373 sanded foam wings proved smooth enough Another innovation seen latest contest reusable center sec tion plan make very strong center can reused times just cutting spars foam away plugging new parts thus saving yourself time takes construct new engine pod bellcrank setup etc Howard Rush suggested molding center section out carbon fiber some such material could done commercially modeler would buy make center section epoxy two spars pos sibly use contact cement hold foam place add old mono-boom ready fly changed airfoil shapes Wilkens type model amounted reusing center plugging new foam blanks different airfoil shapes took less hour didnt have remove motor Repairs revisions such could easily done right flying field side benefit foam AMA Combat string leader opponents plane usually cuts right through foam locks spars thus insuring kill wood leading edge might have slipped over FAI Combat want happen should reinforce lead ing edge string slips digs Charlie Johnson 3716 Ingraham St San Diego CA 92109 FF Duration/Meuser continued page 45 Pearl Lives few years back Dick Mathis sold free-flight end kit production business American Balsa Corporation ABC went belly-up re cently wondered what happened kit line turns out FF Power kitsMini-Pearl Midi-Pearl Pearl Ex press Mother Pearlare now being produced Gene Simpsons Kitco orga nization 4327 McDermed Dr Houston TX 77035 two smaller Pearls Mini Midi can supplied immediately might short delay larger ones hobby shop cant supply write direct Kitco Kitco line also includes smallish easily built hand-launch Glider designed Nats champ Mark Valerius some pro file-scale 020-powered models sporting completely different pinch-off engine timer wish could say about Gulfcoaster sailplane suitable FF RC HLG kits formerly made ABC Bo-Weevil Flash Polly etc now being made Matt Gail Gewain hear Well tell about later Modd Boxes hate admit model boxes have built shipping carrying smallish models much time money have wasted doing Save yourself trouble check out local Salvation Army Goodwill Indus tries store whatever equivalent area used suitcases Ones ade quate serve model boxes go buck two Overnighters great Peanuts two-suiters gaggle HLGs suitable shipping models quite adequate carrying Indoor models such storage boxes sold Sears Wards perhaps other depart ment stores areas key feature removable lid stiff folded edges flap-lids ordinary cartons often bad news models inside Similar separate-lid boxes may often purchased florists buy gal couple dozen long-stem roses get free Check local Bekins Mayflower agent too price might seem like rip off compared alternatives dirt cheap Engine Mount new engine mount Cox 049-051 engines features screw adjustments downthrust sidethrust seems lot neater fiddling wood shims mount neatly machined necessary holes drilled tapped screws included proper Al len wrench complete instructions hobby shop out stock order direct S S Hobby Products 525 S Cloverdale Blvd Cloverdale CA 95425 Price $835 first class postpaid Mounts 15 140 engines will available soon Publications Paul Plecan Box 1810A Garden Grove CA 92642 might prove handy source some aero publications have looking Write 4-page brochure Included stock books Paul Matt seriesthose already out printcontaining excellent scale docu mentation drawings series Racing Planes Air Races Reed Kinert Aero series vols 1 through 26 Me-109 through F-16 Collinwood books cluding Lightplane Since 1909 Monocoupes Men Frank Zaics inim itable Model Aeronautics Yearbooks other publications new Model 86 Model Aviation