Radio Control: Sport & Aerobatics

Radio Control Sport & Aerobatics Ron Van Putte NEW THINGS arent always best read about kinds new products sometimes fall spielif its new must better Its true read Novice model builders club often ask advice about building fin ishing techniques Theres lot us have made mistakes can made building finishing often have some good tips So since theres no sense forcing novice make same mistakes did always share good ideas keep bad ones hidden away until everyone stand ing around telling modeling horror stories latest good idea shared novice about fill balsa before priming painting novice asked should buy some Brand X filler told him worked okay still doesnt work well favorite cheap Scottish ancestry fast Im always hurry finish airplane easy engineers lazy technique balsa fill ing ingredients polyurethane var nish talcum powder lacquer thinner add talcum some polyurethane var nish until starts get very thick put enough lacquer thinner until mixture has brushing consistency brush enough balsa surface fill grain let dry sands very easily leaves smooth finish primeand talcum powder smells great youre sanding kidding aside its best technique filling balsa Ive found 30 years modeling Try wouldnt believe some responses got excerpts Len Salters writings effects wind March 1985 column people wrote phoned either violently against premise airplane unaware steady wind individual wrote once phoned twice accused perpetrating hoax Ameri can public begged recant Needless say can hassles subject So Im going let things cool down before bring ing up subject again meantime still have copies Len Salters writing subject effects wind flight airplanes will glad share anyone sends self-addressed stamped envelope tail end June 1985 column mentioned 1985 Kirkland Memo rial Contest scheduled June 22-23 Actually correct dates now June 29-30 scheduling conflict RC Pattern Masters Tournament required change dates Kirkland Memorial Contest Unfortunately conflict wasnt discovered until June 1985 column already submitted Since publication date column sometime during late June contest already history though its still two months away write real reason brought up discuss unusual aspect contest contes tant judging Contestant judging new has around Midwest years What unusual Kirkland con testants Novice Sportsman Advanced Expert will judged contestants next higher class way Does club have lot Pattern fliers Most dont Acadlan RC Club Lafayette LA wellrepresented recent con test Baton Rouge LA L Check out varIety desIgns What olyurethane varnish baby powder have common R Mixed together thinned lacquer thinner make great balsa grainf tiler Theres column Ron Chidgey going make real run Turnaround season Thats hIs new Tar Baby powered new Enya 120 four stroke L Ron has say about column Dr Dave Constant seen doing little finetunlng transmitter out flIght line Hell get just right hope Dave Old Pros Pattern 44 Model Aviation judges will familiar pat tern otherwise might case complaint against contestant judg ing judges dont know pat tern cant adequately judge method should alleviate problem reduce number judges would other wise provided host club under stand basically setup used Don Lowe CD Tanger ine contest Orlando way Master Turn around events will judged club members planned Steve Rojecki winner 1984 Tourna ment Champions Las Vegas Ill let know works out because reason contestant judging eliminate least reduce number judges amount judging has always problem clubs small number membersor large clubs few Pattern fliers Contestant judging should help out situation Ive never known proponent Turnaround pattern Ron Chidgey definitely fact often kid him started promoting Turnaround eyes reflexes started going pot realized big slow air plane would help him out competition Anyway Ron wrote very useful article about Turnaround K-Factor newsletter National Society Radio Controlled Aerobatics NSRCA too long reproduce ever thought excerpts article would interesting reading would reach larger audience K-Factor mailed Besides Ron com plains never say anything nice about Turnaround Ron Chidgey wrote Field Layout field layout discussed relation F3A Turnaround first question comes mind whether 7nntinud r126 center attention engine mountits rest hardware Hal Payne EnterprIses 1843 Torrance Blvd Torrance CA 90501 makes fascinating drill jig gets engine-mounting holes just right Unusual design works well VAN DISTRIBUTED BY LTEE UDISCO 4660 BOUL DECARIE BLVD MONTREAL QUE H3X 2H5 CANADA TEL 514 481-8107 CANADIAN DISTRIBUTORS OF 05 MAX FUTABA SUPER TIGRE PILOT GRAUPNER TOPP AYK RIG PLANES RIC BOATS parts & accessories ALOUE1TE2 fixed pitch Special $19900 USG0 ing / T RANGER collective pitch Special $38900 US ping Catalog money order credit card LOCKHEED 286 L Rigid ective pitch Special $58900 US ping DEALER INQUIRIES INVITED * * HOURS MONDAY THRU FRIDAY 9AM -5PM EASTERN TIME * * PRICES ARE GOOD ON ORDERS RECEIVED BY THE 1st OF THE MONTH OF THIS ISSUE ONLY August 1985 45 Sam Hopkins Folsom LA made great field stand PVC water pipe Some glued togetherthe rest plugs field easier transport KA avallable urn RC Aerobatics/Van Putte Continued page 45 use flags mark box opin ion flags should used called specified FAI Sporting Code Sporting Code Sec tion 518 Marking says maneuvers must performed plane height will allow seen clearly judges. non observance rule will heavily penalized loss points other words what should heavily penalized placing maneuver cant clearly seen judge Approximately o vertically 1200 horizontally given reference guideline however never intended taken rigid definition box beyond pilot could fly As matter fact flying too far away judges inside 1200 lines should downgraded just harshly flying too far past l2O lines Obviously turnaround maneuver flown well past 1200 line placed further away judge need should heavily penalized opinion entire turnaround maneuver outside 1200 line should downgraded four points poor positioning part maneuver outside should downgraded two three points depending much out have some contests wish flags used con tests judges picked tall pine two trees left oak marker downgraded three four points flew past cases think flags would have better option cant tell disheartening fly whole contest learn picked out wrong pine tree caution about using flags though Contest Director chief judge feels has just got have flags goodness sake put well out least line 150 yards front pilot high enough seen clearly Enough about flags Use Out Judge Automatic DowngradeThis practice definitely contrary rules since automatic downgrade reality penalty would probability top downgrade already calculated score judges Flight Line SetupAfter season experience trying different approach es setup seems work best group F3A competitors together pre ferably line An F3A pattern compatible AMA pat terns two F3A planes air same time bit too crowded Grouping F3A competitors line avoids problem F3A competitors cant grouped line anoth er option place F3A first line last other point have learned dont have stop flying other classes fly F3A Just avoid having two F3A flights out same circle same time use scribes record scores definitely recommended Getting volunteers duty doesnt seem much prob lem takes big load off judges Rules ClarificationsEveryone should aware some rules clarifica tions approved 1984 CLAM meeting December became effective first year 1 Handlaunching F3A models dropping parts intentional otherwise banned safety reasons will result zero flight involved 2 Unlike full-scale fraternity F3A aerobatics will continue judged track flight path model attitude Changes attitude model order maintain straight track will reason downgrade maneuver 3 description Double Immelmann now reads follows Model pulls up completes half inside loop immediately half-rolls upright flies straight level distance equal diameter half loop does half outside loop immediately half-rolls level flight Individual Maneuver Clarification following points regarding listed maneuvers discussed judghig school consensus reached 1 AvalancheWatch break 126 Model Aviation engines engineered meet demands discriminating modeler backed service match Engines have points easy starting carburetor linkage crankcase tapped smoke adapter six bolt prop hub mount mounting bolts muffler engines ready run Props tanks oil spark plugs etc available extra charge excspt Klorltz 37 twin SachsDoimar 341 cobra 23Kiorlte 24 31 HP 5A lbs32 HP 6/ lbs 48 Kioritz 56 Klorita$15895*17996 made order left right 1 sAcHsDoLMAR 31 wlmufflar 50 HP Bibs liar 2 sAcHsDoLMAIt 34 wlmufiler 60 HP 5 lbs 3 SAcHsDoLMAR 37 wlmuffler 65 HP 5 lbs 15 4 SACHSDOLMAR 722 made order call prlcel 5 KIORITZ 37 TNIN B HP BIbs. ElectrIc IgnItIon complete Phone 1-201-427-3845 s Summer Mobile Phone After Noon Only 1-201-648-9249 Custom Built 3ls Mode 2036 N Theme Ave B ..Fresno CA 93704 6pmOrder Phone 209 2331060ask Bill LOVE fly HATE build Contact ve solution probleml Kits Custom Built Order Sanded Ready Cover AndrewsGoldbergGreat PlanesEtc K IF1yWhatIBUu1d NYLON SCREWS No fancy packaging Just great selection low prices 6-32x Pie10ea 8-32x2 10ea 10-24x 11/210ea 10-32x 2100 ea 14-20 x 2 120 ea 14-20X3_____ 200ea 1/4 20 x 4 600 ea Sifialler larger sizes also available Shipping Under $10 add $150 Over $10 Free SPECIALTY WARE HMP 516 Greenway Drive London KY 40741 Dealer Inquiries welcome TIDEWATER ENGR & MACH CO P-21CARSE/RE$6500P-21AERO SE$5000P60AEROSE$8500CMB-21 BUGGY6500 P-21BUGGY SE/RE$6500P21AERO RE$5500P60AERO RE$9000CMB-21 CAR SPEED6500 P-21DELTA$7500P21STUNT SE/RE$5000P60SPEED$9000CMB-21 CAR SPECIAL17500 P-21MAR SE/RE$6500P-40PYLON RE$6500P80AERO SE$9000CMB21 MAR SP$6500 P45MAR-DISC RV$8500P40AERO SE$5800P80AERO RE$9500CMB-21 Mar Valvola$8000 P65MARINE$9000P-40STUNT SE$6500P-45DUCT FAN17500CMB-60 AERO$9000 P80MARINE$11000P-45STUNT SE$6800P65DUCT FAN$9500CMB-90 MAR$14000 P90MARINE$14000P45AERO SE$6000P80DUCT FAN$10000ALL CMB PARTSAVAILABLE PACKING & HANDLING $400PICCO GLOW PLUGS $1500/Doz ChargePICCO CAPS$500/EachHOT SPECIALS Pay ShippingNITROMETHANE$3150/GalP45 MAR$8000P90 MAR $12500 COD $190 CASH ONLYKLOTZ OIL$1375/GalP-65 MAR$8500P-21 AREO SE $4000 COMPETITION BOAT KITS ANDThT ATiT~CI INQUIREABOUTP-SO MAR $9800P-60 AERORE$7500 HARI WARE IN STOCKJI AIflJfl QUANTITY PRICES line flight indicating stall has occurred No break no stall no snap fast barrel roll snap 2 Half Roll Half Square LoopThe half roll part turnaround maneuver exit Three Outside Loops pause following half roll should relatively short half roll half square loop appear maneuver two separate maneuvers 3 Top HatIt now square maneuver opposed tall ie vertical horizontal legs equal length 4 Top Hat 1/4 RollsSince wind-correction maneuver length top horizontal leg pilots option however model should fly horizontally least long enough establish definite heading 5 Six-Sided LoopJust caution watch angles 600 450 6 Reverse RollsThe pause between rolls should very short long enough judge see model has stopped wings level 7 Inverted Spin Two cautions should observed First half rolls part maneuver dont sluff off exit half roll sec ond definite downline should estab lished following spin See what mean about being interest ing reading Thanks Ron Next month will no discussion effects wind airplanes Other guess good Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Soaring/Pruss Continued page 47 ward controls noted above almost conventional means dont need magical radios require extra set thumbs saxophone strap advanced course aerodynamics just case thought model just whim designer after type World Championships consider following placed fourth no simple accomplishment since con test longest ever held special report elsewhere issue event ran seven rounds means 21 flights logged also means 21 opportunities well blow couple flights no throwaway round Stewart Blanchard would have finished third place would have done As other top finishers did maxed seven distance flightsthats getting 12 laps flight Speed discard worst flight Stewart averaged 201 seconds best average fliers average individuals Speed times Blanchard still has best average time couple weak.Duration flights net ted him average 54992 out possible perfect six-minute average 100-point landing score F3B tough league model Calypso 6 picked midweek modeling press Outstanding Achievement award well before Stewart Blanchard finally proven either model himself other models con sidered award didnt come close voting However another plane scene would have given voters fits flown competition Ralf Deckers latest masterpiece June column fea tured three-view drawings plane month can give few its nuts bolts model having variablegeometry wing wing can vary span 128 inches down 91 inchesand does does flawless manner Ralf Dieter Pfefferkorn latter being responsible engineering details answered questions put showed detailed drawings different components Ralf didnt fly new bird competi tion couple reasons being intefere success After Waikerie defend title World Champion what better way plane helped him title first place did demonstrate new bird DGA DESIGNS Full Body Pilot Kit eLightest Pilot available Llfeiike vinyl la tex rubber parts sEasy assemble finish Buiid either barnstormer sportsman pilot sKit contains pilot head hands boots helmet cap goggles full templates easy instructions eFuily positionable & moveable eSome simple sewing required WeightPrice 1/6Scale2oz*$ 795 1/4 Scale4oz$ 995 1/3Scale6oz*$1695 *Weightmay vary depending material used construction DGA DESIGNS Bust Pilot Kit Weight 1/6Scale 75oz 1/4Scale 1Soz 1/3 Scale 225 oz Price 595 795 $1495 eLightest bust pilot available eLifeilke vinyl latex rubber parts sEasy assemble finish eBuild either barnstormer sportsman pilot Kit contains pilot head helmet cap goggles jacket instructions See deaier order direct Add $100 shipping direct orders Send $100 current catalog Dealers inquiries invited NYS Aesidents add 7 percent sales tax Send Check MO Allow 3 weeks check clearSorry-No COD s [Cl st 1985 127