RADIO CONTROL AEROBATICS 11 r wlum L~e1 U rrI i Ul PREPARATION HAS BEEN cornerstone success forms human competition roughly long competition has existed have no way prove statement Im willing bet farm horse gospel fact concept preparing action may old mankind would imagine some distant ancestors spent before big hunt squatting fire chipping new edges old flint points checking shaft binding two three times say some because today few simply wont prepare anything lack preparation means graduating getting job getting promoted days fur underwear behavior likely rewarded sterner consequences such getting food eat worse becoming food someone something else prospect becoming Cave Bear snack insufficient motivation ancient slackers descendants untikely moved mild fate doing poorly Radio Control Aerobatics meet column certainly wont move Most us however likely carry genes did prepare world works Preparing fly model aircraft competition means practicing course kind preparation obvious universally accepted dont wont practice believe realize should doing Trimming another sort preparation covered base last month trimming also universally accepted idea gets lot press However practicing trimming world come nothing equipment doesnt function properly moment absolutely has Maintaining equipment much part being prepared practicing trimming receives far less attention unfortunate because modem Pattern Sport Aerobatic models like race cars complex precision machines function highly stressed environment Historically precision machinery stressed environment combination yields high reliability factor Items function edge apt go over occasionallyespecially ignored case aircraft possible failure points include almost part machine points easily checked case wing spars other internal airframe components Others such header connections simple check part models identical factory-built production-line items contain such items components whole aircraft almost always unique hand-assembled product can good bad depending skill builder quality components selected also means generally impossible run down exactly what check particular model often check Putting some general principles table little easier Vibration enemy vibration part subjected sooner will fail Nothing use absolutely 100% vibration-proof although balsa very good Unfortunately glue joints hold balsa together rank other end scale Dirt enemy dirtier greasier part allowed become sooner will fail Dirt grit accelerate wear grease keeps dirt stuck firmly place can maximum damage case two principles just stated depend fact parts will fail question Heat enemy hotter component guessed sooner will fail deeply buried critical component frequently will fail according old pal Murphy does fly RC Aerobatics way Put models components together such way can check service easily Aerobatic models resemble cars another fashion little reliable new logical since flight-critical hardware goes typical new model new After trimming stage complete often honeymoon period October 1997 85 Authors latest design now kitted Piorun Models Just under two meters 77 inches span length weighs 10 pounds JR PCM1OSx radio VS 140 Worn soft-mount isolator showing someStress-cracking fixed stab/fuselage typical crushing elongated holes Replacejoint usually vibration Six-year-old ones look like thismodel 2000 flights MAT Model Aviation Technology Chargers Model Aviation rectuoi Cycler microprocessor controlled MAT cycler provides precise battery management during charge discharge sustain modes operational cycle 2 independent battery packs Check out features 250 mAh Peak Detector Battery Health Confirm Time Voltage Current Monitoring Three Digit Display Power Outage Protection LIFETIME Warranty cycler remembers Voltage time current capacity history gathered during cycle presents information upon request Peak Charger MAT Peak Charger provides RIO enthusiast means reliably charging either receiver transmitter battery packs 4 8 cell pack 12 volt power source quickly Only $8999 Standard features Charges 2 packs independently Automatic voltage selection 500 mAh charge current Safe use everyday Operate 12 volt power source LIFETIME Warranty charger utilizes advance peak detector method monitor charge process switch trickle mode after battery full charger 12 Volt ACIDC AUTO Charger charger provides RIC flier means reliably charging 12 Volt field box battery automatically 12 volt automobile batteryora 110 voltwall plug minimum amount time Great Gell Cell Lead Acid batteries 12 Ah charge rate AC DC adapters Fully Automatic LIFETIME Warranty Only $5399 800-752-1650 Outside USA 201-804-0077 P0 Box 144 Wood Ridge NJ 07075 everything works just about intended blissful state usually lasts 50-100 flights before things start crack As marriage honeymoon can shortened considerably lack care lengthened appreciably application same obvious goal extend long possible means spending time takes protect investment average competition airframe costing upwards $3000 complete plus radio engine etc investment exactly what isand major Doing proper checks taking good care equipment neednt onerous task necessary steps can integrated usual routine will shortly become habits Most us disassemble clean models after flying session Use time check integrity condition hinges devises control horns cables fasteners kinds quick pull-and-wiggle will tell what want know youre take about five minutes extra get grit out places hides like hingelines cable exits retracts etc. Clean airplanes live longer hold trim better cheaper maintain over timenot mention speak volumes world about owners dedication commitment Check flying surfaces cleanup stress-cracking Stabilizer/fuselage joints wing saddles wing center sections retract servo bays aileron cutouts hot spots give double once over Anything bears load flight ground suspect Check radio compartment often like time assemble airplane Besides plugging hooking up usual things look servo leads connectors servo arms wheels cables pushrods battery receiver hold-downs servo trays carefully Someday something Sliced fuel tubing shown Hayes steel-pin clevis makes good safety device Cheap insurance will fail job nab before does save models life likely culprit will battery switch harness cycle former often replace latter yearly Check everything fastens models prime components together Belly pan canopy fasteners wing stab tubes sockets adjusters antirotation pins take considerable load vibration wear makes popular failure points Todays power plants associated systems reliable past doesnt say much Engines mounts headers pipes mufflers couplers still head list items likely fail often reasons no surprise components get dirtiest vibrate operate mostextreme temperatures Take time pull belly-pan cowl check exhaust system its mounts often running four-stroke periodic valve adjustments per manufacturers recommendations Check condition filters check-valves go over tank associated plumbing time Silicone fuel tubing abrades easily pay careful attention places passes through firewalls fuselage sides use rubber grommets spots reason Once month often inclined remove engine 86 Model Aviation KEN K baCm Aero & Marine Engines Rebuilt Repaired ted K&B can make your engine like new again need send us K&B engine will repaired original parts Labor charge $7 50- $1250 520-453-3579 College Drive Lake Havasu City AZ 86403 NOIP Some engine may fbi serviceable doe age Ovoondli please caii before sending rengino thorough cleaning engine compartment Look carefully engine soft-mount isolators mounting bolts nose-rings etc replace anything shows wear worn softmount can actually transmit load airframe make noise traditional hard-mount Check firewall/fuselage joint cracks fuelsoaking repair needed like partially disassemble engine time check condition gaskets diaphragms 0-rings particular YS Regulator gaskets notorious ability swell shut off fuel flow Remember check plug Modern glow-plugs will continue work far past prime idle transition top-end will suffer whitish appearance top coils fairly reliable signal replace plug before lose official flight flameout Nothing model takes much continuous abuse landing gear fixed retractable failure usually leads body fender work Wheels tires axles collars retaining clips landing gear mounts themselves usual suspects Replace worn tires before roll off rimnot after dont forget cycle retract servo equipped check gears hookups Most us can recognize signs symptoms worn servo pot such dithering around center centering accurately trim wanders forth Ive found decent preventive measure simply send servos pot replacements end flying season isnt exactly cheap flying worn-out servos like driving car bad ball-joints may get ride uncomfortable inaccurate very annoying Other types preventive measures high list include installing Hyde soft-mount engine mount close bulletproof Ive found will extend airframe life significantly soft-mounting exhaust system making sure provide adequate cooling engine exhaust systemeven means cutting what believe unsightly openings cowl belly-pan Ive also found carrying spare something means wont need often may superstition works running YS series engines highly recommend installation set Leak Free Aramid fiber gaskets will cut gasket inspection time gasket failure rate near-zero below Switch battery blues well servo problems can significantly reduced installing Jaccio Products Voltage Regulator better yet Jaccio Products Perfect Switch Harness fail-safe flight will never crash model An excellent side benefit consistent servo response longer pot life Being prepared no guarantee will win time out will lower frustration level raise fun quotient give chance wina chance might have youre still pits fixing something turn ready box rolls around Jaccio Products Hyde soft mounts available through Central Hobbies Billings Montana Tel [800] 723-5937 Leak Free Gaskets available same source some local hobby shops mail-order outlets carry Pattern items direct 608 249-6627 very sad side note RC City has gone out business removesat least temporarily large number Pattern- Sport Aerobatic-related products kits market represents tremendous personal financial loss owners close friends Mike Maureen Dunphy did could keep going thoughts best wishes
