Radio Contml Sport & Aerobatics Ron Van Putte RICH MIXTURE column intend ed mix topics relative sport RC flying Aerobatic RC flying try emphasize aspect ex pense other often get letters sport fliers complain about excess Aerobatic flying topics vice versa trying proper balance column rely letters receive feedback deciding what future Some letter-writers will ask cover topic has column before usually try oblige re quest Often letter-writer will ask topic contained column several years ago reminds newcomers RC have never read old columns Don Lowe RC Modelers Flying Lowe columnist comparing notes writing magazine column back agreed could probably recycle columns three four years hardly anyone would notice did would make lot easier write columnbut would also intro duce ideas interest RC newcomers never read earlier ones Now long introduction topi9 letter Ron Epple Owensboro KY asked article Novice Pattern fliers should pre pare first contest did piece past column long ago cant remember what issue published March 1983-RMcM Have ever tried find something 100 zines Neverthe less think topic sufficient inter est covered again manage find old column can com pare see close subject like few assump tions must made assume anyone thinking about going first contest has radio airplane capable 48 Model Aviation Correction Word reaching us just aswe going press indicates OS 12 four-stroke used Tony Frac kowiak place third Reno Nats FAI Turnaround Pattern event completely stock modified indicated MAs Nats Pattern report last month Keith Boudreau L Paul Verger Lafayette LA show off Keiths original Cutlass obtained Don Coleman flies great OS 61despite 10 years storagel Would buy used airplane man about new shy retiring per son Bob McLain proprietor Team Race Hobby Shop Clinton MS Bob also Expert-class flier bests Van Putte great regularityl Ron Chidgey R aoceptsthe Man Year Award Dick Austin roast held Rons honor Culman AL RC Clubs annual contest emerged weil-roastedi Rt 2Box2547 La Grande Ore 97850 Exceiient trainer High-iift fiat bottom air foli provides very stable slow-flight capabilities Super clean flying airplane easy trim flies groove very aerobatic See dealer order direct producing Novice maneuvers radio doesnt have new PCM sys tem ball bearing/coreless-motor ser vos Nor does airplane have Arrow retractable gear piped Rossi 61 engine Novice fliers dont need fancy radios airplanes get started Ive preached subject years Almost modern four-channel radio controlling simple three-axis airplane will just fine good measure whether radio/airplane adequate jc1& JIM ROBERTS t flf modEl aa/t 0Ye f*4 ye o% 5~na~ak Aa dewd A4 4 /o ahy o/enmein den Ae h dene4ed tAee Sew 64aaee ap4a41e lo 4u6* E/e4A110A 11 4e49ot4#t/se6einode6 qv dm1wanttof&o*h4ee lAe M0 8/led e4 quick building wili finished fore want Beautiful hand-picked spruce used ex tensively throughout Light weight very accurate durable structure Entireiy new flutter-resistant detachable ailerons no hinge slots use bearings Leading edge shaped efficient highly accurate airfoil Shaped finished parts no die cut parts structure Very versatile wings may interchanged models Exceptional slow-flight stability four models combination can Novice maneuvers hands Sportsman higher class flier first things beginning Pat tern flier should read applica ble sections AMA rule book Parts will confusingbut usu ally experienced Pattern fliers around can help answer questions im portant area emphasize initially Novice class maneuvers Continued page 142 La Grande Municipal Airport 503- 963-0596 Visa Master Card welcome January1985 49 Darryl Miller Muscatine IA checks out Sig Skybolt before competing Sport Aerobatics event 1984 Sig IMAC Championships Mike Gretz photo Hows deluxe field boxes Too bad photo 5&W doesnt justice Richard Dufrenes Cut Off LA efforts Q4-4 MODEL AIRCRAFT mid-wing racy-looking sportster De signed all-around fun airplane Very fast yet easy fly its highly maneuverable stable easy fly Extremely realistic ground air OTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABL GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4ScaIe14951/6AAF1195 1/5 Scale1295Plus 1/12 Scale895 $250 shipping 1/12 Chopper 895 figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 Flinger name like know its bird Hand-Launch category Bamnerts However Jollys dont need hernia belt Allup weight just 13 ounces unlike some other hand-toss designs can flown conventional-size small servos such Airtronics 94401 Futabas S-20 Flingers building steps usual straightforward Sailplane construction techniques used its delight build fly one-piece wing makes building easier Airfoil Eppler 205 wingspan 57 inches 330 square inches area twochannel radio Flinger probably wont find way get air less money Soaring report AMA Nation als last month mention made scanner George Steiner used frequency monitoring relatively low-cost unit$264which clubs should able afford Its eight-band 16-chan nel no-crystal item covers 26 88 108 180 380 514 MHz Its made Regency available through Com munications Electronics 818 Phoenix Box 1002 Ann Arbor MI 48106 toll-free number 1-800-521-4414 Books Some best technical jour nals books modeling include MTB series Eppler Wortmann NACA airfoilsor profiles called over Quite technical content published German theres little chance can get adjectives pronouns struggled through language during studies Herk Stokely solving problem some degree number two number three Soar Tech books out include wealth information between covers Topics include Section Charac teristics Flapped Quabeck Airfoil Rolf Girsberger Horten Wings Ken Bates Design Airfoils Low Reynolds Numbers Michael Selig issuethere now three send five dollars Herk Stokely 1504 Horseshoe Dr Virginia Beach VA 23451 Another book put out San Fernando Valley Silent Flyers called Technical Anthology compilation some clubs best technical papers have printed over years SFV Silent Flyer Contents include Graphs Concerning Optimum Sailplane Size Blame Rawdon Glide Polars Seven Model Sailplanes Rawdon Glueing Carbon Fiber Terry Hall Mike Bame Make Vacuum Pump Bill Forrey book contains some twenty other articles sells 10 dollars can purchased San Fernando Valley Silent Flyers c/o Jim Wichert 1791 Glenview Ave Simi LSF Warren Plohr president says sud denly theres wave inquiries goal-and-returns may should flown way straightline goal back landing until return portion completed No triangular courses allowed no closed cours es either holds true levels III IV V course means leaving field cases especially level IV V After thats part challenge Have good building season meantime support new F3B team Dan Pruss 13 E Pennington Ln Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 49 done way some old pros should checked what say about Straight Flight Out Straight Flight Back likely descriptions have changed since doing maneuvers maneuvers should tried time low-pressure environment big audience undesirable because will add pressure informed ob server useful calm down Novice flier tell him what hes doing right 142 Model Aviation .ngine 45 61 $8995 Shipping Tex Res 8% Pre-Built Fuselage Balsa Sheeted Foam Wings Totally Pre-Cut Fiberglass Cowi CJ ENTERPRISES 512 783-0489 Rt 2 Box 238 M Pharr Texas 78577 Valley CA 93063 DIGITAL PROPORTIONAL ELECTRONIC SPEED CONTROL Electric Powered Model Airplanes Model HP55 Just glance product specifications below know powerful efficient yet compact speed control probably ever heard POWER -- 0 55 Amps continuous tOO Amps peak Operating voltage 3 60 VOC Practically saitable type model motoi OVERALL EFFICIENCY- Typ 97% 40 Amps speed Up 993% full speed 20 Amps instailen doected Battery will last up 3 times longer w th resistor control t 2 throttle WEIGHT & SIZE 2 oz. t5n x34 xl * CONCEPT d state digital pulse proportional Inon-renersing Works positive pulse receiver Plug t5rottle servo connector * APPLICATION mpetition hi power efficiency hi power tight weightl 2 Multi engines helicopters scale twill drive four 05s1 3 Excellent small planes gliders very compactl 4 Great Cobalt motors hi power hi voltagel WARRANTY nditional 3 months PRtCE Assembled & Tested HP 55 5 Shipping S2 hO California Residents please include 6% Sales Tue PAYMENT Money order Visa Master Card respond promptly Personal Csecn se allow 3 weeKs Order mail fromENGINEERING 19572 Waterbury Ln Huntington Beach California 92646 wrong Anyone thinking about going contest shouldnt have trouble takeoff landing other maneu vers should practiced time un til proficency confidence devel oped Its especially true Straight Flight OutProcedure TurnStraight Flight Back sequence good Procedure Turn probably impossible follows bad Straight Flight Out should practiced individually until look goodand strung together proper wind direction should followed since maneuvers done wrong direc tion will result zeros contest Besides manuevers like Three Inside Loops Stall Turn look terrible done downwind Novice fliers beginning Pattern flier should seek advice experienced Pattern fliers proper technique An observer much better judge what airplane doing flier Since goal Pattern flying perform maneuvers look good judges advice competent observer invaluable case point proper framing centering fliers totally unaware flying side other centerline Most beginners start rolling maneuvers too late though rolling maneuverOne Hori zontal Rollit still looks best properly centered will score better An observer can help flier learn start maneuver well others supposed centered Once beginner can reasonable job performing Novice pattern front club members hes probably ready first contest Since peo ple uneasy dont know what expect expected behave few hints about typical contest order Most contests listed Compe tition Newsletter part Model via tion events flown listed along point contact usually Contest Director flier should write point contact requesting informa tion like map get flying site list local motels rates brief schedule events including registration will open time pilots meeting flying will start information usually available form flyer host club malls out sure ask information early enough let US Postal Service its thing Sometimes club offers dis count entry fee advance registra tion few bucks can saved entry soon enough contest held strange field possible arrive site day early its good idea check out field put practice flight two may some peculiarities field take some getting used like tree telephone poles lines landing approach ditch end runway short hard-surface runway youre used grass similar things morning contest mandatory get early enough start make contest site well before pilots meeting scheduled held especially route field strange contestant should register confirm preregistration soon ar rives flying site Contest Direc tor must arrange flight order avoid frequency conflicts smooth operation flight line contests multiple flight lines fliers same frequency should fly same flight line Contest Director will try have same number contestants line moving frequency assign ments line line until achieved However has know whos what frequencies before can complete flight order start contest Help him out register right away contest can start time Frequency control should very tight contest means transmitter should never turned withut authority contest officials Right before contest start nervous time may people doing prac tice flying checking out engines yenSAILPLANES WORLD iSOlA Coffee Rd Modesto CA 95355 Sailplanes International Krause MultiPlex Wan itschek Wik & Roke Sport-Scale-F3B European Hardware Accessories Send $500 Cat & Price List 209 577-0506 January1985 143 P0 Box 2790 Park Falls WI 54552 U Drnradlu Dnsntq 62 SPAN NGINE HAt First Series Great Flying Canards RIC Modeler TeughUtP1yIueued World Aerobatic Champion 640Turbo BD4 Leos Laser Tsp Quality Epoxy Glass RuseWelghR6to6VxlbsFamous Homebuilt Light Plane lqCswl&WIelPaats Engine 45te604er2cycle Alemleem Losing Gene 8 hr Assembly Tim PeamwlngRRSpWlng 95 Ares 1440sqla Balsa Pislel kIt Complete Step Step Jr Stick Englee 2-4 HPOutstanding Large Trainer 99 PLUS$9995 $1SNIPPINGDealer Inquiry Invited Direct Sales Only Canton OH 44707 Manufacturers Quality Kits Rear 3405 Cleveland Ave SW RO UH M ni Send $100 complete catalog Phone 216 484-6810 fying proper retractable gear operation easy shoot airplane down hurt someone unless frequency control observed airplane should assembled fueled before pilots meeting because contest will start right after its over someone has first fly first contest bad time have get airplane ready go hurry Besides Contest Director will im pound transmitters before contest starts makes difficult assemble check out airplane pilots meeting good time get information contest will conducted judged Local variations AMA rules will announced variations usually safety local hazards public relations touchy local resident under normal flight path After pilots meeting flight order will announced pilots responsibility line turn fly though contests try inform everyone up imme diately following him via loud speaker system bullhorn contests flier expected fill out bring two scores sheets flight line score sheets presented judges just before flight after previous contestants airplane has landed flier should have everything might needed line him starting battery prime bottle starter spare glow plug prop/plug wrench spinner reassembly tools Just think problems might occur bring necessary items enable fast fix pilot should have caller/helper him assist getting flight underway tell pilot maneu ver sequence Novice-class jilot will probably forget maneuver sequence name get knees stop shaking caller mandatory caller/helper should place airplane flight line exhaust pointed anywhere judges Since flight time starts glow plug starting battery connector attached flier should check proper radio operation before attaching connector can ask go end flight order problem exists uncommon new Pattern fliers forget connect aileron servo receiver advance radio check will preclude losing round flying due either other similar causes judges should informed starting battery connected glow plug Once engine started needle valve setting should checked wasnt done earlier because changes weather altitude can radically change needle valve setting proper operation caller/helper should carry air plane saves time preagreed starting place takeoff meantime pilot should move close enough judges can easily hear him close blocks view like stand upwind side judges wind blowing because easier hear call out maneuvers maneuver should announced judges told starts ends typical sequence might next maneuver will Immelmann Turn. uver heading . Maneuver starting now. Ma neuver complete caller should form pilot next maneuver soon previous maneuver com pleted pilot can get airplane position perform can tell judges whats next course exceptions normal porcedure maneuver sequence Straight Flight OutProcedure TurnStraight Flight Back exception Theres enough time announce maneuvers normal way So three should nounced initially followed Straight Flight Out starting now. Procedure Turn now---Straight Flight Back now~ neuver complete appropriate times Delete Maneuver complete after first two maneuvers since announcing start follow ing maneuver means previous maneuver complete After landing complete call flight complete thank judges GONTIOLIKI TEND PROFILE0 COMBA RA T WIDE & NARROW WEDGE -- 6 oz Capacities UNIFLOW & TENDD Gust DmA lush Ingredients Fo detailed bochure50C stamps/check CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29418 803-563-7169 THE NEWEST MOTOR FROM pox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS FOX 19 BB Bore 650 Stroke DIsplacemenI 9 RPM wIth 8-4 prop . 17000 WeIght8/4 OZ Fuel ConsumptIon 4 os mm Schneurle porting course rugged parts lots power good idle unique design festure upper cylinder casting can turned exhaust either side back rear exhaust installaiions Structurally Fox 19B8 pear crsnkshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox I9BBRC$5995 90219 Tilt-down Mutt Icr1495 90220 Tilt-up Muffler1495 50203 Motor Mount800 Fox MFG CO 5305 TOWSON AVEFORT SMITH ARK 12901 15011 646-1656 44 Model Aviation Perma-Grit TM Lifetime * Carbide Sanding Tools Tungsten Carbide grit hardest material next diamondp * Outlasts sandpaper 100s timesTungsten carbide grit brazed * Tools will load upsteel 9 long tool use * Grit cant tear looseon balsa hardwoods fiberglass * Makes fitting blending fairing pleasurebeaded foams epoxy fillers * Fairs LE TE foam undercuttingplexiglas * Rapid stock Removal better control * Saves time money end aggravation e USA * Replaces plane knite rasp fr sanding blocks Average Modelers Use F-tOOFlat Coarse/Fine$695 excellent tools thatF-lOt Flat Fine$695 modeler can useF- 102Flat Coarse$695 Don Lowe Professional EngineerR-200 3/4 Radius Coarse/Fine$695 Ask Dealer send check MO No CODs to 1-201 1/8 Tangent Coarse/Fine $695 1-202 3/4 Round Coarse/Fine$625 DIG Products_ 1203 d- Coarse/fine$495 209 Carrlands Dr Dayton 0*4 454291204 d- Coarse/Fine $495 o 94-1192 tage Paid Ohio residents add 6% tax Without judges wouldnt contest probably several other places theyd rather After first contest normal reac tion decide wasnt bad after especially everything went well big factor success proper preparation knowing what expect Both pilots control Good luck has long column rea lize exclusively about Aero batics owe sport fliers Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 RO ScalelWischers Continued page 51 otherwise severely abused cant quite agree philoso phy fuel propellers engines expendable items models interest winning obtaining high static score submerged engine Nev ertheless Mick has proved us possible build fly totally-believ able WW II fighter A-scale can have scalelike appearance both air during static judging ulti mate scale accuracy Mick has made own aluminum wheels tires formed Devcon RTV rubber compound Second place Abingdon awarded Duncan Hutson A-scale Avro Anson Mk 1 model large 84-in wingspan definitely un derpowered pair effectivelysilenced Irvine 30 engines serious competitors have adopted concept building multi-engined aircraft large possible staying within 132 lb weight-limit Duncan just barely stayed in-bounds very innova tive fellow used Sanwa sail winch model boat hobby operate handmade retract mechanisms land ing gear working oleo struts wheels tires silicone rubber airplanes Abiflgdon Anson least affected wind permitting ac curate placement its dropped bombs Steam power England paid another visit friend Group Captain James Pelly-Fry inspect newest Scale airplane Vickers Wellesley has modeled after prototype flown East African campaign early days Italys involvement WW II accounts have read about experiences aircraft James successfully landed night Sudan desert await dawn before returning base After unexpected return request replacement cancelled Wellesley extremely large airplane single Bristol Pegasus XX 935-horsepower engine having span 75 feet James model /0th scale 90-in wingspan weighed TA lb wing loading 20 oz per sq ft engine Enya 40 four-stroke no lack thrust fly large airplane As prototype model employed geodetic construction fu selage stringers wing ribs basketweave pattern over external sur faces models framework quite complex possible build very light strong framework meth od Rom-Air retracts very wide tread great stability ground James regular flying companions days David Parker Brian Taylor disused air base near homes southwest England Davids newest Scale model Grumman Tigercat F7F-l pair Enya 35 engines Rom-Air retracts Like scratch-builder Scale model ers David has streak inventive geni us long-term projects has development steam-powered model airplane has now reached stage successful five-minuteduration flights three-minute engine run four ounces ethyl alcohol fuel equal amount water Comet IIA model weighs 35 lbs fuel water has 62-in wingspan 630 sq wing area water-tube boiler fabricated thin sheet stainless steel brazed joints one-cylinder steam engine nose develops 24 ounces thrust hand-carved prop Heat exhausted through open holes boiler January1985 145 30 PACIFIC ACE Complete kit $750 plus $150 S & H Also Rearwin Speedster Cessna 34Fairey Battle Fairchild Ranger & Lam bert Monocoupe 30 Price $1000 Fa SEAGLEN MODEL CO BOX 123 Plympton MA 02367 Power Soar New Heights LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrin/brass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714
Edition: Model Aviation - 1985/01
Page Numbers: 48, 49, 142, 143, 144, 145
Radio Contml Sport & Aerobatics Ron Van Putte RICH MIXTURE column intend ed mix topics relative sport RC flying Aerobatic RC flying try emphasize aspect ex pense other often get letters sport fliers complain about excess Aerobatic flying topics vice versa trying proper balance column rely letters receive feedback deciding what future Some letter-writers will ask cover topic has column before usually try oblige re quest Often letter-writer will ask topic contained column several years ago reminds newcomers RC have never read old columns Don Lowe RC Modelers Flying Lowe columnist comparing notes writing magazine column back agreed could probably recycle columns three four years hardly anyone would notice did would make lot easier write columnbut would also intro duce ideas interest RC newcomers never read earlier ones Now long introduction topi9 letter Ron Epple Owensboro KY asked article Novice Pattern fliers should pre pare first contest did piece past column long ago cant remember what issue published March 1983-RMcM Have ever tried find something 100 zines Neverthe less think topic sufficient inter est covered again manage find old column can com pare see close subject like few assump tions must made assume anyone thinking about going first contest has radio airplane capable 48 Model Aviation Correction Word reaching us just aswe going press indicates OS 12 four-stroke used Tony Frac kowiak place third Reno Nats FAI Turnaround Pattern event completely stock modified indicated MAs Nats Pattern report last month Keith Boudreau L Paul Verger Lafayette LA show off Keiths original Cutlass obtained Don Coleman flies great OS 61despite 10 years storagel Would buy used airplane man about new shy retiring per son Bob McLain proprietor Team Race Hobby Shop Clinton MS Bob also Expert-class flier bests Van Putte great regularityl Ron Chidgey R aoceptsthe Man Year Award Dick Austin roast held Rons honor Culman AL RC Clubs annual contest emerged weil-roastedi Rt 2Box2547 La Grande Ore 97850 Exceiient trainer High-iift fiat bottom air foli provides very stable slow-flight capabilities Super clean flying airplane easy trim flies groove very aerobatic See dealer order direct producing Novice maneuvers radio doesnt have new PCM sys tem ball bearing/coreless-motor ser vos Nor does airplane have Arrow retractable gear piped Rossi 61 engine Novice fliers dont need fancy radios airplanes get started Ive preached subject years Almost modern four-channel radio controlling simple three-axis airplane will just fine good measure whether radio/airplane adequate jc1& JIM ROBERTS t flf modEl aa/t 0Ye f*4 ye o% 5~na~ak Aa dewd A4 4 /o ahy o/enmein den Ae h dene4ed tAee Sew 64aaee ap4a41e lo 4u6* E/e4A110A 11 4e49ot4#t/se6einode6 qv dm1wanttof&o*h4ee lAe M0 8/led e4 quick building wili finished fore want Beautiful hand-picked spruce used ex tensively throughout Light weight very accurate durable structure Entireiy new flutter-resistant detachable ailerons no hinge slots use bearings Leading edge shaped efficient highly accurate airfoil Shaped finished parts no die cut parts structure Very versatile wings may interchanged models Exceptional slow-flight stability four models combination can Novice maneuvers hands Sportsman higher class flier first things beginning Pat tern flier should read applica ble sections AMA rule book Parts will confusingbut usu ally experienced Pattern fliers around can help answer questions im portant area emphasize initially Novice class maneuvers Continued page 142 La Grande Municipal Airport 503- 963-0596 Visa Master Card welcome January1985 49 Darryl Miller Muscatine IA checks out Sig Skybolt before competing Sport Aerobatics event 1984 Sig IMAC Championships Mike Gretz photo Hows deluxe field boxes Too bad photo 5&W doesnt justice Richard Dufrenes Cut Off LA efforts Q4-4 MODEL AIRCRAFT mid-wing racy-looking sportster De signed all-around fun airplane Very fast yet easy fly its highly maneuverable stable easy fly Extremely realistic ground air OTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABL GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4ScaIe14951/6AAF1195 1/5 Scale1295Plus 1/12 Scale895 $250 shipping 1/12 Chopper 895 figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 Flinger name like know its bird Hand-Launch category Bamnerts However Jollys dont need hernia belt Allup weight just 13 ounces unlike some other hand-toss designs can flown conventional-size small servos such Airtronics 94401 Futabas S-20 Flingers building steps usual straightforward Sailplane construction techniques used its delight build fly one-piece wing makes building easier Airfoil Eppler 205 wingspan 57 inches 330 square inches area twochannel radio Flinger probably wont find way get air less money Soaring report AMA Nation als last month mention made scanner George Steiner used frequency monitoring relatively low-cost unit$264which clubs should able afford Its eight-band 16-chan nel no-crystal item covers 26 88 108 180 380 514 MHz Its made Regency available through Com munications Electronics 818 Phoenix Box 1002 Ann Arbor MI 48106 toll-free number 1-800-521-4414 Books Some best technical jour nals books modeling include MTB series Eppler Wortmann NACA airfoilsor profiles called over Quite technical content published German theres little chance can get adjectives pronouns struggled through language during studies Herk Stokely solving problem some degree number two number three Soar Tech books out include wealth information between covers Topics include Section Charac teristics Flapped Quabeck Airfoil Rolf Girsberger Horten Wings Ken Bates Design Airfoils Low Reynolds Numbers Michael Selig issuethere now three send five dollars Herk Stokely 1504 Horseshoe Dr Virginia Beach VA 23451 Another book put out San Fernando Valley Silent Flyers called Technical Anthology compilation some clubs best technical papers have printed over years SFV Silent Flyer Contents include Graphs Concerning Optimum Sailplane Size Blame Rawdon Glide Polars Seven Model Sailplanes Rawdon Glueing Carbon Fiber Terry Hall Mike Bame Make Vacuum Pump Bill Forrey book contains some twenty other articles sells 10 dollars can purchased San Fernando Valley Silent Flyers c/o Jim Wichert 1791 Glenview Ave Simi LSF Warren Plohr president says sud denly theres wave inquiries goal-and-returns may should flown way straightline goal back landing until return portion completed No triangular courses allowed no closed cours es either holds true levels III IV V course means leaving field cases especially level IV V After thats part challenge Have good building season meantime support new F3B team Dan Pruss 13 E Pennington Ln Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 49 done way some old pros should checked what say about Straight Flight Out Straight Flight Back likely descriptions have changed since doing maneuvers maneuvers should tried time low-pressure environment big audience undesirable because will add pressure informed ob server useful calm down Novice flier tell him what hes doing right 142 Model Aviation .ngine 45 61 $8995 Shipping Tex Res 8% Pre-Built Fuselage Balsa Sheeted Foam Wings Totally Pre-Cut Fiberglass Cowi CJ ENTERPRISES 512 783-0489 Rt 2 Box 238 M Pharr Texas 78577 Valley CA 93063 DIGITAL PROPORTIONAL ELECTRONIC SPEED CONTROL Electric Powered Model Airplanes Model HP55 Just glance product specifications below know powerful efficient yet compact speed control probably ever heard POWER -- 0 55 Amps continuous tOO Amps peak Operating voltage 3 60 VOC Practically saitable type model motoi OVERALL EFFICIENCY- Typ 97% 40 Amps speed Up 993% full speed 20 Amps instailen doected Battery will last up 3 times longer w th resistor control t 2 throttle WEIGHT & SIZE 2 oz. t5n x34 xl * CONCEPT d state digital pulse proportional Inon-renersing Works positive pulse receiver Plug t5rottle servo connector * APPLICATION mpetition hi power efficiency hi power tight weightl 2 Multi engines helicopters scale twill drive four 05s1 3 Excellent small planes gliders very compactl 4 Great Cobalt motors hi power hi voltagel WARRANTY nditional 3 months PRtCE Assembled & Tested HP 55 5 Shipping S2 hO California Residents please include 6% Sales Tue PAYMENT Money order Visa Master Card respond promptly Personal Csecn se allow 3 weeKs Order mail fromENGINEERING 19572 Waterbury Ln Huntington Beach California 92646 wrong Anyone thinking about going contest shouldnt have trouble takeoff landing other maneu vers should practiced time un til proficency confidence devel oped Its especially true Straight Flight OutProcedure TurnStraight Flight Back sequence good Procedure Turn probably impossible follows bad Straight Flight Out should practiced individually until look goodand strung together proper wind direction should followed since maneuvers done wrong direc tion will result zeros contest Besides manuevers like Three Inside Loops Stall Turn look terrible done downwind Novice fliers beginning Pattern flier should seek advice experienced Pattern fliers proper technique An observer much better judge what airplane doing flier Since goal Pattern flying perform maneuvers look good judges advice competent observer invaluable case point proper framing centering fliers totally unaware flying side other centerline Most beginners start rolling maneuvers too late though rolling maneuverOne Hori zontal Rollit still looks best properly centered will score better An observer can help flier learn start maneuver well others supposed centered Once beginner can reasonable job performing Novice pattern front club members hes probably ready first contest Since peo ple uneasy dont know what expect expected behave few hints about typical contest order Most contests listed Compe tition Newsletter part Model via tion events flown listed along point contact usually Contest Director flier should write point contact requesting informa tion like map get flying site list local motels rates brief schedule events including registration will open time pilots meeting flying will start information usually available form flyer host club malls out sure ask information early enough let US Postal Service its thing Sometimes club offers dis count entry fee advance registra tion few bucks can saved entry soon enough contest held strange field possible arrive site day early its good idea check out field put practice flight two may some peculiarities field take some getting used like tree telephone poles lines landing approach ditch end runway short hard-surface runway youre used grass similar things morning contest mandatory get early enough start make contest site well before pilots meeting scheduled held especially route field strange contestant should register confirm preregistration soon ar rives flying site Contest Direc tor must arrange flight order avoid frequency conflicts smooth operation flight line contests multiple flight lines fliers same frequency should fly same flight line Contest Director will try have same number contestants line moving frequency assign ments line line until achieved However has know whos what frequencies before can complete flight order start contest Help him out register right away contest can start time Frequency control should very tight contest means transmitter should never turned withut authority contest officials Right before contest start nervous time may people doing prac tice flying checking out engines yenSAILPLANES WORLD iSOlA Coffee Rd Modesto CA 95355 Sailplanes International Krause MultiPlex Wan itschek Wik & Roke Sport-Scale-F3B European Hardware Accessories Send $500 Cat & Price List 209 577-0506 January1985 143 P0 Box 2790 Park Falls WI 54552 U Drnradlu Dnsntq 62 SPAN NGINE HAt First Series Great Flying Canards RIC Modeler TeughUtP1yIueued World Aerobatic Champion 640Turbo BD4 Leos Laser Tsp Quality Epoxy Glass RuseWelghR6to6VxlbsFamous Homebuilt Light Plane lqCswl&WIelPaats Engine 45te604er2cycle Alemleem Losing Gene 8 hr Assembly Tim PeamwlngRRSpWlng 95 Ares 1440sqla Balsa Pislel kIt Complete Step Step Jr Stick Englee 2-4 HPOutstanding Large Trainer 99 PLUS$9995 $1SNIPPINGDealer Inquiry Invited Direct Sales Only Canton OH 44707 Manufacturers Quality Kits Rear 3405 Cleveland Ave SW RO UH M ni Send $100 complete catalog Phone 216 484-6810 fying proper retractable gear operation easy shoot airplane down hurt someone unless frequency control observed airplane should assembled fueled before pilots meeting because contest will start right after its over someone has first fly first contest bad time have get airplane ready go hurry Besides Contest Director will im pound transmitters before contest starts makes difficult assemble check out airplane pilots meeting good time get information contest will conducted judged Local variations AMA rules will announced variations usually safety local hazards public relations touchy local resident under normal flight path After pilots meeting flight order will announced pilots responsibility line turn fly though contests try inform everyone up imme diately following him via loud speaker system bullhorn contests flier expected fill out bring two scores sheets flight line score sheets presented judges just before flight after previous contestants airplane has landed flier should have everything might needed line him starting battery prime bottle starter spare glow plug prop/plug wrench spinner reassembly tools Just think problems might occur bring necessary items enable fast fix pilot should have caller/helper him assist getting flight underway tell pilot maneu ver sequence Novice-class jilot will probably forget maneuver sequence name get knees stop shaking caller mandatory caller/helper should place airplane flight line exhaust pointed anywhere judges Since flight time starts glow plug starting battery connector attached flier should check proper radio operation before attaching connector can ask go end flight order problem exists uncommon new Pattern fliers forget connect aileron servo receiver advance radio check will preclude losing round flying due either other similar causes judges should informed starting battery connected glow plug Once engine started needle valve setting should checked wasnt done earlier because changes weather altitude can radically change needle valve setting proper operation caller/helper should carry air plane saves time preagreed starting place takeoff meantime pilot should move close enough judges can easily hear him close blocks view like stand upwind side judges wind blowing because easier hear call out maneuvers maneuver should announced judges told starts ends typical sequence might next maneuver will Immelmann Turn. uver heading . Maneuver starting now. Ma neuver complete caller should form pilot next maneuver soon previous maneuver com pleted pilot can get airplane position perform can tell judges whats next course exceptions normal porcedure maneuver sequence Straight Flight OutProcedure TurnStraight Flight Back exception Theres enough time announce maneuvers normal way So three should nounced initially followed Straight Flight Out starting now. Procedure Turn now---Straight Flight Back now~ neuver complete appropriate times Delete Maneuver complete after first two maneuvers since announcing start follow ing maneuver means previous maneuver complete After landing complete call flight complete thank judges GONTIOLIKI TEND PROFILE0 COMBA RA T WIDE & NARROW WEDGE -- 6 oz Capacities UNIFLOW & TENDD Gust DmA lush Ingredients Fo detailed bochure50C stamps/check CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29418 803-563-7169 THE NEWEST MOTOR FROM pox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS FOX 19 BB Bore 650 Stroke DIsplacemenI 9 RPM wIth 8-4 prop . 17000 WeIght8/4 OZ Fuel ConsumptIon 4 os mm Schneurle porting course rugged parts lots power good idle unique design festure upper cylinder casting can turned exhaust either side back rear exhaust installaiions Structurally Fox 19B8 pear crsnkshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox I9BBRC$5995 90219 Tilt-down Mutt Icr1495 90220 Tilt-up Muffler1495 50203 Motor Mount800 Fox MFG CO 5305 TOWSON AVEFORT SMITH ARK 12901 15011 646-1656 44 Model Aviation Perma-Grit TM Lifetime * Carbide Sanding Tools Tungsten Carbide grit hardest material next diamondp * Outlasts sandpaper 100s timesTungsten carbide grit brazed * Tools will load upsteel 9 long tool use * Grit cant tear looseon balsa hardwoods fiberglass * Makes fitting blending fairing pleasurebeaded foams epoxy fillers * Fairs LE TE foam undercuttingplexiglas * Rapid stock Removal better control * Saves time money end aggravation e USA * Replaces plane knite rasp fr sanding blocks Average Modelers Use F-tOOFlat Coarse/Fine$695 excellent tools thatF-lOt Flat Fine$695 modeler can useF- 102Flat Coarse$695 Don Lowe Professional EngineerR-200 3/4 Radius Coarse/Fine$695 Ask Dealer send check MO No CODs to 1-201 1/8 Tangent Coarse/Fine $695 1-202 3/4 Round Coarse/Fine$625 DIG Products_ 1203 d- Coarse/fine$495 209 Carrlands Dr Dayton 0*4 454291204 d- Coarse/Fine $495 o 94-1192 tage Paid Ohio residents add 6% tax Without judges wouldnt contest probably several other places theyd rather After first contest normal reac tion decide wasnt bad after especially everything went well big factor success proper preparation knowing what expect Both pilots control Good luck has long column rea lize exclusively about Aero batics owe sport fliers Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 RO ScalelWischers Continued page 51 otherwise severely abused cant quite agree philoso phy fuel propellers engines expendable items models interest winning obtaining high static score submerged engine Nev ertheless Mick has proved us possible build fly totally-believ able WW II fighter A-scale can have scalelike appearance both air during static judging ulti mate scale accuracy Mick has made own aluminum wheels tires formed Devcon RTV rubber compound Second place Abingdon awarded Duncan Hutson A-scale Avro Anson Mk 1 model large 84-in wingspan definitely un derpowered pair effectivelysilenced Irvine 30 engines serious competitors have adopted concept building multi-engined aircraft large possible staying within 132 lb weight-limit Duncan just barely stayed in-bounds very innova tive fellow used Sanwa sail winch model boat hobby operate handmade retract mechanisms land ing gear working oleo struts wheels tires silicone rubber airplanes Abiflgdon Anson least affected wind permitting ac curate placement its dropped bombs Steam power England paid another visit friend Group Captain James Pelly-Fry inspect newest Scale airplane Vickers Wellesley has modeled after prototype flown East African campaign early days Italys involvement WW II accounts have read about experiences aircraft James successfully landed night Sudan desert await dawn before returning base After unexpected return request replacement cancelled Wellesley extremely large airplane single Bristol Pegasus XX 935-horsepower engine having span 75 feet James model /0th scale 90-in wingspan weighed TA lb wing loading 20 oz per sq ft engine Enya 40 four-stroke no lack thrust fly large airplane As prototype model employed geodetic construction fu selage stringers wing ribs basketweave pattern over external sur faces models framework quite complex possible build very light strong framework meth od Rom-Air retracts very wide tread great stability ground James regular flying companions days David Parker Brian Taylor disused air base near homes southwest England Davids newest Scale model Grumman Tigercat F7F-l pair Enya 35 engines Rom-Air retracts Like scratch-builder Scale model ers David has streak inventive geni us long-term projects has development steam-powered model airplane has now reached stage successful five-minuteduration flights three-minute engine run four ounces ethyl alcohol fuel equal amount water Comet IIA model weighs 35 lbs fuel water has 62-in wingspan 630 sq wing area water-tube boiler fabricated thin sheet stainless steel brazed joints one-cylinder steam engine nose develops 24 ounces thrust hand-carved prop Heat exhausted through open holes boiler January1985 145 30 PACIFIC ACE Complete kit $750 plus $150 S & H Also Rearwin Speedster Cessna 34Fairey Battle Fairchild Ranger & Lam bert Monocoupe 30 Price $1000 Fa SEAGLEN MODEL CO BOX 123 Plympton MA 02367 Power Soar New Heights LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrin/brass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714
Edition: Model Aviation - 1985/01
Page Numbers: 48, 49, 142, 143, 144, 145
Radio Contml Sport & Aerobatics Ron Van Putte RICH MIXTURE column intend ed mix topics relative sport RC flying Aerobatic RC flying try emphasize aspect ex pense other often get letters sport fliers complain about excess Aerobatic flying topics vice versa trying proper balance column rely letters receive feedback deciding what future Some letter-writers will ask cover topic has column before usually try oblige re quest Often letter-writer will ask topic contained column several years ago reminds newcomers RC have never read old columns Don Lowe RC Modelers Flying Lowe columnist comparing notes writing magazine column back agreed could probably recycle columns three four years hardly anyone would notice did would make lot easier write columnbut would also intro duce ideas interest RC newcomers never read earlier ones Now long introduction topi9 letter Ron Epple Owensboro KY asked article Novice Pattern fliers should pre pare first contest did piece past column long ago cant remember what issue published March 1983-RMcM Have ever tried find something 100 zines Neverthe less think topic sufficient inter est covered again manage find old column can com pare see close subject like few assump tions must made assume anyone thinking about going first contest has radio airplane capable 48 Model Aviation Correction Word reaching us just aswe going press indicates OS 12 four-stroke used Tony Frac kowiak place third Reno Nats FAI Turnaround Pattern event completely stock modified indicated MAs Nats Pattern report last month Keith Boudreau L Paul Verger Lafayette LA show off Keiths original Cutlass obtained Don Coleman flies great OS 61despite 10 years storagel Would buy used airplane man about new shy retiring per son Bob McLain proprietor Team Race Hobby Shop Clinton MS Bob also Expert-class flier bests Van Putte great regularityl Ron Chidgey R aoceptsthe Man Year Award Dick Austin roast held Rons honor Culman AL RC Clubs annual contest emerged weil-roastedi Rt 2Box2547 La Grande Ore 97850 Exceiient trainer High-iift fiat bottom air foli provides very stable slow-flight capabilities Super clean flying airplane easy trim flies groove very aerobatic See dealer order direct producing Novice maneuvers radio doesnt have new PCM sys tem ball bearing/coreless-motor ser vos Nor does airplane have Arrow retractable gear piped Rossi 61 engine Novice fliers dont need fancy radios airplanes get started Ive preached subject years Almost modern four-channel radio controlling simple three-axis airplane will just fine good measure whether radio/airplane adequate jc1& JIM ROBERTS t flf modEl aa/t 0Ye f*4 ye o% 5~na~ak Aa dewd A4 4 /o ahy o/enmein den Ae h dene4ed tAee Sew 64aaee ap4a41e lo 4u6* E/e4A110A 11 4e49ot4#t/se6einode6 qv dm1wanttof&o*h4ee lAe M0 8/led e4 quick building wili finished fore want Beautiful hand-picked spruce used ex tensively throughout Light weight very accurate durable structure Entireiy new flutter-resistant detachable ailerons no hinge slots use bearings Leading edge shaped efficient highly accurate airfoil Shaped finished parts no die cut parts structure Very versatile wings may interchanged models Exceptional slow-flight stability four models combination can Novice maneuvers hands Sportsman higher class flier first things beginning Pat tern flier should read applica ble sections AMA rule book Parts will confusingbut usu ally experienced Pattern fliers around can help answer questions im portant area emphasize initially Novice class maneuvers Continued page 142 La Grande Municipal Airport 503- 963-0596 Visa Master Card welcome January1985 49 Darryl Miller Muscatine IA checks out Sig Skybolt before competing Sport Aerobatics event 1984 Sig IMAC Championships Mike Gretz photo Hows deluxe field boxes Too bad photo 5&W doesnt justice Richard Dufrenes Cut Off LA efforts Q4-4 MODEL AIRCRAFT mid-wing racy-looking sportster De signed all-around fun airplane Very fast yet easy fly its highly maneuverable stable easy fly Extremely realistic ground air OTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABL GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4ScaIe14951/6AAF1195 1/5 Scale1295Plus 1/12 Scale895 $250 shipping 1/12 Chopper 895 figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 Flinger name like know its bird Hand-Launch category Bamnerts However Jollys dont need hernia belt Allup weight just 13 ounces unlike some other hand-toss designs can flown conventional-size small servos such Airtronics 94401 Futabas S-20 Flingers building steps usual straightforward Sailplane construction techniques used its delight build fly one-piece wing makes building easier Airfoil Eppler 205 wingspan 57 inches 330 square inches area twochannel radio Flinger probably wont find way get air less money Soaring report AMA Nation als last month mention made scanner George Steiner used frequency monitoring relatively low-cost unit$264which clubs should able afford Its eight-band 16-chan nel no-crystal item covers 26 88 108 180 380 514 MHz Its made Regency available through Com munications Electronics 818 Phoenix Box 1002 Ann Arbor MI 48106 toll-free number 1-800-521-4414 Books Some best technical jour nals books modeling include MTB series Eppler Wortmann NACA airfoilsor profiles called over Quite technical content published German theres little chance can get adjectives pronouns struggled through language during studies Herk Stokely solving problem some degree number two number three Soar Tech books out include wealth information between covers Topics include Section Charac teristics Flapped Quabeck Airfoil Rolf Girsberger Horten Wings Ken Bates Design Airfoils Low Reynolds Numbers Michael Selig issuethere now three send five dollars Herk Stokely 1504 Horseshoe Dr Virginia Beach VA 23451 Another book put out San Fernando Valley Silent Flyers called Technical Anthology compilation some clubs best technical papers have printed over years SFV Silent Flyer Contents include Graphs Concerning Optimum Sailplane Size Blame Rawdon Glide Polars Seven Model Sailplanes Rawdon Glueing Carbon Fiber Terry Hall Mike Bame Make Vacuum Pump Bill Forrey book contains some twenty other articles sells 10 dollars can purchased San Fernando Valley Silent Flyers c/o Jim Wichert 1791 Glenview Ave Simi LSF Warren Plohr president says sud denly theres wave inquiries goal-and-returns may should flown way straightline goal back landing until return portion completed No triangular courses allowed no closed cours es either holds true levels III IV V course means leaving field cases especially level IV V After thats part challenge Have good building season meantime support new F3B team Dan Pruss 13 E Pennington Ln Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 49 done way some old pros should checked what say about Straight Flight Out Straight Flight Back likely descriptions have changed since doing maneuvers maneuvers should tried time low-pressure environment big audience undesirable because will add pressure informed ob server useful calm down Novice flier tell him what hes doing right 142 Model Aviation .ngine 45 61 $8995 Shipping Tex Res 8% Pre-Built Fuselage Balsa Sheeted Foam Wings Totally Pre-Cut Fiberglass Cowi CJ ENTERPRISES 512 783-0489 Rt 2 Box 238 M Pharr Texas 78577 Valley CA 93063 DIGITAL PROPORTIONAL ELECTRONIC SPEED CONTROL Electric Powered Model Airplanes Model HP55 Just glance product specifications below know powerful efficient yet compact speed control probably ever heard POWER -- 0 55 Amps continuous tOO Amps peak Operating voltage 3 60 VOC Practically saitable type model motoi OVERALL EFFICIENCY- Typ 97% 40 Amps speed Up 993% full speed 20 Amps instailen doected Battery will last up 3 times longer w th resistor control t 2 throttle WEIGHT & SIZE 2 oz. t5n x34 xl * CONCEPT d state digital pulse proportional Inon-renersing Works positive pulse receiver Plug t5rottle servo connector * APPLICATION mpetition hi power efficiency hi power tight weightl 2 Multi engines helicopters scale twill drive four 05s1 3 Excellent small planes gliders very compactl 4 Great Cobalt motors hi power hi voltagel WARRANTY nditional 3 months PRtCE Assembled & Tested HP 55 5 Shipping S2 hO California Residents please include 6% Sales Tue PAYMENT Money order Visa Master Card respond promptly Personal Csecn se allow 3 weeKs Order mail fromENGINEERING 19572 Waterbury Ln Huntington Beach California 92646 wrong Anyone thinking about going contest shouldnt have trouble takeoff landing other maneu vers should practiced time un til proficency confidence devel oped Its especially true Straight Flight OutProcedure TurnStraight Flight Back sequence good Procedure Turn probably impossible follows bad Straight Flight Out should practiced individually until look goodand strung together proper wind direction should followed since maneuvers done wrong direc tion will result zeros contest Besides manuevers like Three Inside Loops Stall Turn look terrible done downwind Novice fliers beginning Pattern flier should seek advice experienced Pattern fliers proper technique An observer much better judge what airplane doing flier Since goal Pattern flying perform maneuvers look good judges advice competent observer invaluable case point proper framing centering fliers totally unaware flying side other centerline Most beginners start rolling maneuvers too late though rolling maneuverOne Hori zontal Rollit still looks best properly centered will score better An observer can help flier learn start maneuver well others supposed centered Once beginner can reasonable job performing Novice pattern front club members hes probably ready first contest Since peo ple uneasy dont know what expect expected behave few hints about typical contest order Most contests listed Compe tition Newsletter part Model via tion events flown listed along point contact usually Contest Director flier should write point contact requesting informa tion like map get flying site list local motels rates brief schedule events including registration will open time pilots meeting flying will start information usually available form flyer host club malls out sure ask information early enough let US Postal Service its thing Sometimes club offers dis count entry fee advance registra tion few bucks can saved entry soon enough contest held strange field possible arrive site day early its good idea check out field put practice flight two may some peculiarities field take some getting used like tree telephone poles lines landing approach ditch end runway short hard-surface runway youre used grass similar things morning contest mandatory get early enough start make contest site well before pilots meeting scheduled held especially route field strange contestant should register confirm preregistration soon ar rives flying site Contest Direc tor must arrange flight order avoid frequency conflicts smooth operation flight line contests multiple flight lines fliers same frequency should fly same flight line Contest Director will try have same number contestants line moving frequency assign ments line line until achieved However has know whos what frequencies before can complete flight order start contest Help him out register right away contest can start time Frequency control should very tight contest means transmitter should never turned withut authority contest officials Right before contest start nervous time may people doing prac tice flying checking out engines yenSAILPLANES WORLD iSOlA Coffee Rd Modesto CA 95355 Sailplanes International Krause MultiPlex Wan itschek Wik & Roke Sport-Scale-F3B European Hardware Accessories Send $500 Cat & Price List 209 577-0506 January1985 143 P0 Box 2790 Park Falls WI 54552 U Drnradlu Dnsntq 62 SPAN NGINE HAt First Series Great Flying Canards RIC Modeler TeughUtP1yIueued World Aerobatic Champion 640Turbo BD4 Leos Laser Tsp Quality Epoxy Glass RuseWelghR6to6VxlbsFamous Homebuilt Light Plane lqCswl&WIelPaats Engine 45te604er2cycle Alemleem Losing Gene 8 hr Assembly Tim PeamwlngRRSpWlng 95 Ares 1440sqla Balsa Pislel kIt Complete Step Step Jr Stick Englee 2-4 HPOutstanding Large Trainer 99 PLUS$9995 $1SNIPPINGDealer Inquiry Invited Direct Sales Only Canton OH 44707 Manufacturers Quality Kits Rear 3405 Cleveland Ave SW RO UH M ni Send $100 complete catalog Phone 216 484-6810 fying proper retractable gear operation easy shoot airplane down hurt someone unless frequency control observed airplane should assembled fueled before pilots meeting because contest will start right after its over someone has first fly first contest bad time have get airplane ready go hurry Besides Contest Director will im pound transmitters before contest starts makes difficult assemble check out airplane pilots meeting good time get information contest will conducted judged Local variations AMA rules will announced variations usually safety local hazards public relations touchy local resident under normal flight path After pilots meeting flight order will announced pilots responsibility line turn fly though contests try inform everyone up imme diately following him via loud speaker system bullhorn contests flier expected fill out bring two scores sheets flight line score sheets presented judges just before flight after previous contestants airplane has landed flier should have everything might needed line him starting battery prime bottle starter spare glow plug prop/plug wrench spinner reassembly tools Just think problems might occur bring necessary items enable fast fix pilot should have caller/helper him assist getting flight underway tell pilot maneu ver sequence Novice-class jilot will probably forget maneuver sequence name get knees stop shaking caller mandatory caller/helper should place airplane flight line exhaust pointed anywhere judges Since flight time starts glow plug starting battery connector attached flier should check proper radio operation before attaching connector can ask go end flight order problem exists uncommon new Pattern fliers forget connect aileron servo receiver advance radio check will preclude losing round flying due either other similar causes judges should informed starting battery connected glow plug Once engine started needle valve setting should checked wasnt done earlier because changes weather altitude can radically change needle valve setting proper operation caller/helper should carry air plane saves time preagreed starting place takeoff meantime pilot should move close enough judges can easily hear him close blocks view like stand upwind side judges wind blowing because easier hear call out maneuvers maneuver should announced judges told starts ends typical sequence might next maneuver will Immelmann Turn. uver heading . Maneuver starting now. Ma neuver complete caller should form pilot next maneuver soon previous maneuver com pleted pilot can get airplane position perform can tell judges whats next course exceptions normal porcedure maneuver sequence Straight Flight OutProcedure TurnStraight Flight Back exception Theres enough time announce maneuvers normal way So three should nounced initially followed Straight Flight Out starting now. Procedure Turn now---Straight Flight Back now~ neuver complete appropriate times Delete Maneuver complete after first two maneuvers since announcing start follow ing maneuver means previous maneuver complete After landing complete call flight complete thank judges GONTIOLIKI TEND PROFILE0 COMBA RA T WIDE & NARROW WEDGE -- 6 oz Capacities UNIFLOW & TENDD Gust DmA lush Ingredients Fo detailed bochure50C stamps/check CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29418 803-563-7169 THE NEWEST MOTOR FROM pox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS FOX 19 BB Bore 650 Stroke DIsplacemenI 9 RPM wIth 8-4 prop . 17000 WeIght8/4 OZ Fuel ConsumptIon 4 os mm Schneurle porting course rugged parts lots power good idle unique design festure upper cylinder casting can turned exhaust either side back rear exhaust installaiions Structurally Fox 19B8 pear crsnkshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox I9BBRC$5995 90219 Tilt-down Mutt Icr1495 90220 Tilt-up Muffler1495 50203 Motor Mount800 Fox MFG CO 5305 TOWSON AVEFORT SMITH ARK 12901 15011 646-1656 44 Model Aviation Perma-Grit TM Lifetime * Carbide Sanding Tools Tungsten Carbide grit hardest material next diamondp * Outlasts sandpaper 100s timesTungsten carbide grit brazed * Tools will load upsteel 9 long tool use * Grit cant tear looseon balsa hardwoods fiberglass * Makes fitting blending fairing pleasurebeaded foams epoxy fillers * Fairs LE TE foam undercuttingplexiglas * Rapid stock Removal better control * Saves time money end aggravation e USA * Replaces plane knite rasp fr sanding blocks Average Modelers Use F-tOOFlat Coarse/Fine$695 excellent tools thatF-lOt Flat Fine$695 modeler can useF- 102Flat Coarse$695 Don Lowe Professional EngineerR-200 3/4 Radius Coarse/Fine$695 Ask Dealer send check MO No CODs to 1-201 1/8 Tangent Coarse/Fine $695 1-202 3/4 Round Coarse/Fine$625 DIG Products_ 1203 d- Coarse/fine$495 209 Carrlands Dr Dayton 0*4 454291204 d- Coarse/Fine $495 o 94-1192 tage Paid Ohio residents add 6% tax Without judges wouldnt contest probably several other places theyd rather After first contest normal reac tion decide wasnt bad after especially everything went well big factor success proper preparation knowing what expect Both pilots control Good luck has long column rea lize exclusively about Aero batics owe sport fliers Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 RO ScalelWischers Continued page 51 otherwise severely abused cant quite agree philoso phy fuel propellers engines expendable items models interest winning obtaining high static score submerged engine Nev ertheless Mick has proved us possible build fly totally-believ able WW II fighter A-scale can have scalelike appearance both air during static judging ulti mate scale accuracy Mick has made own aluminum wheels tires formed Devcon RTV rubber compound Second place Abingdon awarded Duncan Hutson A-scale Avro Anson Mk 1 model large 84-in wingspan definitely un derpowered pair effectivelysilenced Irvine 30 engines serious competitors have adopted concept building multi-engined aircraft large possible staying within 132 lb weight-limit Duncan just barely stayed in-bounds very innova tive fellow used Sanwa sail winch model boat hobby operate handmade retract mechanisms land ing gear working oleo struts wheels tires silicone rubber airplanes Abiflgdon Anson least affected wind permitting ac curate placement its dropped bombs Steam power England paid another visit friend Group Captain James Pelly-Fry inspect newest Scale airplane Vickers Wellesley has modeled after prototype flown East African campaign early days Italys involvement WW II accounts have read about experiences aircraft James successfully landed night Sudan desert await dawn before returning base After unexpected return request replacement cancelled Wellesley extremely large airplane single Bristol Pegasus XX 935-horsepower engine having span 75 feet James model /0th scale 90-in wingspan weighed TA lb wing loading 20 oz per sq ft engine Enya 40 four-stroke no lack thrust fly large airplane As prototype model employed geodetic construction fu selage stringers wing ribs basketweave pattern over external sur faces models framework quite complex possible build very light strong framework meth od Rom-Air retracts very wide tread great stability ground James regular flying companions days David Parker Brian Taylor disused air base near homes southwest England Davids newest Scale model Grumman Tigercat F7F-l pair Enya 35 engines Rom-Air retracts Like scratch-builder Scale model ers David has streak inventive geni us long-term projects has development steam-powered model airplane has now reached stage successful five-minuteduration flights three-minute engine run four ounces ethyl alcohol fuel equal amount water Comet IIA model weighs 35 lbs fuel water has 62-in wingspan 630 sq wing area water-tube boiler fabricated thin sheet stainless steel brazed joints one-cylinder steam engine nose develops 24 ounces thrust hand-carved prop Heat exhausted through open holes boiler January1985 145 30 PACIFIC ACE Complete kit $750 plus $150 S & H Also Rearwin Speedster Cessna 34Fairey Battle Fairchild Ranger & Lam bert Monocoupe 30 Price $1000 Fa SEAGLEN MODEL CO BOX 123 Plympton MA 02367 Power Soar New Heights LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrin/brass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714
Edition: Model Aviation - 1985/01
Page Numbers: 48, 49, 142, 143, 144, 145
Radio Contml Sport & Aerobatics Ron Van Putte RICH MIXTURE column intend ed mix topics relative sport RC flying Aerobatic RC flying try emphasize aspect ex pense other often get letters sport fliers complain about excess Aerobatic flying topics vice versa trying proper balance column rely letters receive feedback deciding what future Some letter-writers will ask cover topic has column before usually try oblige re quest Often letter-writer will ask topic contained column several years ago reminds newcomers RC have never read old columns Don Lowe RC Modelers Flying Lowe columnist comparing notes writing magazine column back agreed could probably recycle columns three four years hardly anyone would notice did would make lot easier write columnbut would also intro duce ideas interest RC newcomers never read earlier ones Now long introduction topi9 letter Ron Epple Owensboro KY asked article Novice Pattern fliers should pre pare first contest did piece past column long ago cant remember what issue published March 1983-RMcM Have ever tried find something 100 zines Neverthe less think topic sufficient inter est covered again manage find old column can com pare see close subject like few assump tions must made assume anyone thinking about going first contest has radio airplane capable 48 Model Aviation Correction Word reaching us just aswe going press indicates OS 12 four-stroke used Tony Frac kowiak place third Reno Nats FAI Turnaround Pattern event completely stock modified indicated MAs Nats Pattern report last month Keith Boudreau L Paul Verger Lafayette LA show off Keiths original Cutlass obtained Don Coleman flies great OS 61despite 10 years storagel Would buy used airplane man about new shy retiring per son Bob McLain proprietor Team Race Hobby Shop Clinton MS Bob also Expert-class flier bests Van Putte great regularityl Ron Chidgey R aoceptsthe Man Year Award Dick Austin roast held Rons honor Culman AL RC Clubs annual contest emerged weil-roastedi Rt 2Box2547 La Grande Ore 97850 Exceiient trainer High-iift fiat bottom air foli provides very stable slow-flight capabilities Super clean flying airplane easy trim flies groove very aerobatic See dealer order direct producing Novice maneuvers radio doesnt have new PCM sys tem ball bearing/coreless-motor ser vos Nor does airplane have Arrow retractable gear piped Rossi 61 engine Novice fliers dont need fancy radios airplanes get started Ive preached subject years Almost modern four-channel radio controlling simple three-axis airplane will just fine good measure whether radio/airplane adequate jc1& JIM ROBERTS t flf modEl aa/t 0Ye f*4 ye o% 5~na~ak Aa dewd A4 4 /o ahy o/enmein den Ae h dene4ed tAee Sew 64aaee ap4a41e lo 4u6* E/e4A110A 11 4e49ot4#t/se6einode6 qv dm1wanttof&o*h4ee lAe M0 8/led e4 quick building wili finished fore want Beautiful hand-picked spruce used ex tensively throughout Light weight very accurate durable structure Entireiy new flutter-resistant detachable ailerons no hinge slots use bearings Leading edge shaped efficient highly accurate airfoil Shaped finished parts no die cut parts structure Very versatile wings may interchanged models Exceptional slow-flight stability four models combination can Novice maneuvers hands Sportsman higher class flier first things beginning Pat tern flier should read applica ble sections AMA rule book Parts will confusingbut usu ally experienced Pattern fliers around can help answer questions im portant area emphasize initially Novice class maneuvers Continued page 142 La Grande Municipal Airport 503- 963-0596 Visa Master Card welcome January1985 49 Darryl Miller Muscatine IA checks out Sig Skybolt before competing Sport Aerobatics event 1984 Sig IMAC Championships Mike Gretz photo Hows deluxe field boxes Too bad photo 5&W doesnt justice Richard Dufrenes Cut Off LA efforts Q4-4 MODEL AIRCRAFT mid-wing racy-looking sportster De signed all-around fun airplane Very fast yet easy fly its highly maneuverable stable easy fly Extremely realistic ground air OTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABL GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4ScaIe14951/6AAF1195 1/5 Scale1295Plus 1/12 Scale895 $250 shipping 1/12 Chopper 895 figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 Flinger name like know its bird Hand-Launch category Bamnerts However Jollys dont need hernia belt Allup weight just 13 ounces unlike some other hand-toss designs can flown conventional-size small servos such Airtronics 94401 Futabas S-20 Flingers building steps usual straightforward Sailplane construction techniques used its delight build fly one-piece wing makes building easier Airfoil Eppler 205 wingspan 57 inches 330 square inches area twochannel radio Flinger probably wont find way get air less money Soaring report AMA Nation als last month mention made scanner George Steiner used frequency monitoring relatively low-cost unit$264which clubs should able afford Its eight-band 16-chan nel no-crystal item covers 26 88 108 180 380 514 MHz Its made Regency available through Com munications Electronics 818 Phoenix Box 1002 Ann Arbor MI 48106 toll-free number 1-800-521-4414 Books Some best technical jour nals books modeling include MTB series Eppler Wortmann NACA airfoilsor profiles called over Quite technical content published German theres little chance can get adjectives pronouns struggled through language during studies Herk Stokely solving problem some degree number two number three Soar Tech books out include wealth information between covers Topics include Section Charac teristics Flapped Quabeck Airfoil Rolf Girsberger Horten Wings Ken Bates Design Airfoils Low Reynolds Numbers Michael Selig issuethere now three send five dollars Herk Stokely 1504 Horseshoe Dr Virginia Beach VA 23451 Another book put out San Fernando Valley Silent Flyers called Technical Anthology compilation some clubs best technical papers have printed over years SFV Silent Flyer Contents include Graphs Concerning Optimum Sailplane Size Blame Rawdon Glide Polars Seven Model Sailplanes Rawdon Glueing Carbon Fiber Terry Hall Mike Bame Make Vacuum Pump Bill Forrey book contains some twenty other articles sells 10 dollars can purchased San Fernando Valley Silent Flyers c/o Jim Wichert 1791 Glenview Ave Simi LSF Warren Plohr president says sud denly theres wave inquiries goal-and-returns may should flown way straightline goal back landing until return portion completed No triangular courses allowed no closed cours es either holds true levels III IV V course means leaving field cases especially level IV V After thats part challenge Have good building season meantime support new F3B team Dan Pruss 13 E Pennington Ln Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 49 done way some old pros should checked what say about Straight Flight Out Straight Flight Back likely descriptions have changed since doing maneuvers maneuvers should tried time low-pressure environment big audience undesirable because will add pressure informed ob server useful calm down Novice flier tell him what hes doing right 142 Model Aviation .ngine 45 61 $8995 Shipping Tex Res 8% Pre-Built Fuselage Balsa Sheeted Foam Wings Totally Pre-Cut Fiberglass Cowi CJ ENTERPRISES 512 783-0489 Rt 2 Box 238 M Pharr Texas 78577 Valley CA 93063 DIGITAL PROPORTIONAL ELECTRONIC SPEED CONTROL Electric Powered Model Airplanes Model HP55 Just glance product specifications below know powerful efficient yet compact speed control probably ever heard POWER -- 0 55 Amps continuous tOO Amps peak Operating voltage 3 60 VOC Practically saitable type model motoi OVERALL EFFICIENCY- Typ 97% 40 Amps speed Up 993% full speed 20 Amps instailen doected Battery will last up 3 times longer w th resistor control t 2 throttle WEIGHT & SIZE 2 oz. t5n x34 xl * CONCEPT d state digital pulse proportional Inon-renersing Works positive pulse receiver Plug t5rottle servo connector * APPLICATION mpetition hi power efficiency hi power tight weightl 2 Multi engines helicopters scale twill drive four 05s1 3 Excellent small planes gliders very compactl 4 Great Cobalt motors hi power hi voltagel WARRANTY nditional 3 months PRtCE Assembled & Tested HP 55 5 Shipping S2 hO California Residents please include 6% Sales Tue PAYMENT Money order Visa Master Card respond promptly Personal Csecn se allow 3 weeKs Order mail fromENGINEERING 19572 Waterbury Ln Huntington Beach California 92646 wrong Anyone thinking about going contest shouldnt have trouble takeoff landing other maneu vers should practiced time un til proficency confidence devel oped Its especially true Straight Flight OutProcedure TurnStraight Flight Back sequence good Procedure Turn probably impossible follows bad Straight Flight Out should practiced individually until look goodand strung together proper wind direction should followed since maneuvers done wrong direc tion will result zeros contest Besides manuevers like Three Inside Loops Stall Turn look terrible done downwind Novice fliers beginning Pattern flier should seek advice experienced Pattern fliers proper technique An observer much better judge what airplane doing flier Since goal Pattern flying perform maneuvers look good judges advice competent observer invaluable case point proper framing centering fliers totally unaware flying side other centerline Most beginners start rolling maneuvers too late though rolling maneuverOne Hori zontal Rollit still looks best properly centered will score better An observer can help flier learn start maneuver well others supposed centered Once beginner can reasonable job performing Novice pattern front club members hes probably ready first contest Since peo ple uneasy dont know what expect expected behave few hints about typical contest order Most contests listed Compe tition Newsletter part Model via tion events flown listed along point contact usually Contest Director flier should write point contact requesting informa tion like map get flying site list local motels rates brief schedule events including registration will open time pilots meeting flying will start information usually available form flyer host club malls out sure ask information early enough let US Postal Service its thing Sometimes club offers dis count entry fee advance registra tion few bucks can saved entry soon enough contest held strange field possible arrive site day early its good idea check out field put practice flight two may some peculiarities field take some getting used like tree telephone poles lines landing approach ditch end runway short hard-surface runway youre used grass similar things morning contest mandatory get early enough start make contest site well before pilots meeting scheduled held especially route field strange contestant should register confirm preregistration soon ar rives flying site Contest Direc tor must arrange flight order avoid frequency conflicts smooth operation flight line contests multiple flight lines fliers same frequency should fly same flight line Contest Director will try have same number contestants line moving frequency assign ments line line until achieved However has know whos what frequencies before can complete flight order start contest Help him out register right away contest can start time Frequency control should very tight contest means transmitter should never turned withut authority contest officials Right before contest start nervous time may people doing prac tice flying checking out engines yenSAILPLANES WORLD iSOlA Coffee Rd Modesto CA 95355 Sailplanes International Krause MultiPlex Wan itschek Wik & Roke Sport-Scale-F3B European Hardware Accessories Send $500 Cat & Price List 209 577-0506 January1985 143 P0 Box 2790 Park Falls WI 54552 U Drnradlu Dnsntq 62 SPAN NGINE HAt First Series Great Flying Canards RIC Modeler TeughUtP1yIueued World Aerobatic Champion 640Turbo BD4 Leos Laser Tsp Quality Epoxy Glass RuseWelghR6to6VxlbsFamous Homebuilt Light Plane lqCswl&WIelPaats Engine 45te604er2cycle Alemleem Losing Gene 8 hr Assembly Tim PeamwlngRRSpWlng 95 Ares 1440sqla Balsa Pislel kIt Complete Step Step Jr Stick Englee 2-4 HPOutstanding Large Trainer 99 PLUS$9995 $1SNIPPINGDealer Inquiry Invited Direct Sales Only Canton OH 44707 Manufacturers Quality Kits Rear 3405 Cleveland Ave SW RO UH M ni Send $100 complete catalog Phone 216 484-6810 fying proper retractable gear operation easy shoot airplane down hurt someone unless frequency control observed airplane should assembled fueled before pilots meeting because contest will start right after its over someone has first fly first contest bad time have get airplane ready go hurry Besides Contest Director will im pound transmitters before contest starts makes difficult assemble check out airplane pilots meeting good time get information contest will conducted judged Local variations AMA rules will announced variations usually safety local hazards public relations touchy local resident under normal flight path After pilots meeting flight order will announced pilots responsibility line turn fly though contests try inform everyone up imme diately following him via loud speaker system bullhorn contests flier expected fill out bring two scores sheets flight line score sheets presented judges just before flight after previous contestants airplane has landed flier should have everything might needed line him starting battery prime bottle starter spare glow plug prop/plug wrench spinner reassembly tools Just think problems might occur bring necessary items enable fast fix pilot should have caller/helper him assist getting flight underway tell pilot maneu ver sequence Novice-class jilot will probably forget maneuver sequence name get knees stop shaking caller mandatory caller/helper should place airplane flight line exhaust pointed anywhere judges Since flight time starts glow plug starting battery connector attached flier should check proper radio operation before attaching connector can ask go end flight order problem exists uncommon new Pattern fliers forget connect aileron servo receiver advance radio check will preclude losing round flying due either other similar causes judges should informed starting battery connected glow plug Once engine started needle valve setting should checked wasnt done earlier because changes weather altitude can radically change needle valve setting proper operation caller/helper should carry air plane saves time preagreed starting place takeoff meantime pilot should move close enough judges can easily hear him close blocks view like stand upwind side judges wind blowing because easier hear call out maneuvers maneuver should announced judges told starts ends typical sequence might next maneuver will Immelmann Turn. uver heading . Maneuver starting now. Ma neuver complete caller should form pilot next maneuver soon previous maneuver com pleted pilot can get airplane position perform can tell judges whats next course exceptions normal porcedure maneuver sequence Straight Flight OutProcedure TurnStraight Flight Back exception Theres enough time announce maneuvers normal way So three should nounced initially followed Straight Flight Out starting now. Procedure Turn now---Straight Flight Back now~ neuver complete appropriate times Delete Maneuver complete after first two maneuvers since announcing start follow ing maneuver means previous maneuver complete After landing complete call flight complete thank judges GONTIOLIKI TEND PROFILE0 COMBA RA T WIDE & NARROW WEDGE -- 6 oz Capacities UNIFLOW & TENDD Gust DmA lush Ingredients Fo detailed bochure50C stamps/check CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29418 803-563-7169 THE NEWEST MOTOR FROM pox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS FOX 19 BB Bore 650 Stroke DIsplacemenI 9 RPM wIth 8-4 prop . 17000 WeIght8/4 OZ Fuel ConsumptIon 4 os mm Schneurle porting course rugged parts lots power good idle unique design festure upper cylinder casting can turned exhaust either side back rear exhaust installaiions Structurally Fox 19B8 pear crsnkshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox I9BBRC$5995 90219 Tilt-down Mutt Icr1495 90220 Tilt-up Muffler1495 50203 Motor Mount800 Fox MFG CO 5305 TOWSON AVEFORT SMITH ARK 12901 15011 646-1656 44 Model Aviation Perma-Grit TM Lifetime * Carbide Sanding Tools Tungsten Carbide grit hardest material next diamondp * Outlasts sandpaper 100s timesTungsten carbide grit brazed * Tools will load upsteel 9 long tool use * Grit cant tear looseon balsa hardwoods fiberglass * Makes fitting blending fairing pleasurebeaded foams epoxy fillers * Fairs LE TE foam undercuttingplexiglas * Rapid stock Removal better control * Saves time money end aggravation e USA * Replaces plane knite rasp fr sanding blocks Average Modelers Use F-tOOFlat Coarse/Fine$695 excellent tools thatF-lOt Flat Fine$695 modeler can useF- 102Flat Coarse$695 Don Lowe Professional EngineerR-200 3/4 Radius Coarse/Fine$695 Ask Dealer send check MO No CODs to 1-201 1/8 Tangent Coarse/Fine $695 1-202 3/4 Round Coarse/Fine$625 DIG Products_ 1203 d- Coarse/fine$495 209 Carrlands Dr Dayton 0*4 454291204 d- Coarse/Fine $495 o 94-1192 tage Paid Ohio residents add 6% tax Without judges wouldnt contest probably several other places theyd rather After first contest normal reac tion decide wasnt bad after especially everything went well big factor success proper preparation knowing what expect Both pilots control Good luck has long column rea lize exclusively about Aero batics owe sport fliers Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 RO ScalelWischers Continued page 51 otherwise severely abused cant quite agree philoso phy fuel propellers engines expendable items models interest winning obtaining high static score submerged engine Nev ertheless Mick has proved us possible build fly totally-believ able WW II fighter A-scale can have scalelike appearance both air during static judging ulti mate scale accuracy Mick has made own aluminum wheels tires formed Devcon RTV rubber compound Second place Abingdon awarded Duncan Hutson A-scale Avro Anson Mk 1 model large 84-in wingspan definitely un derpowered pair effectivelysilenced Irvine 30 engines serious competitors have adopted concept building multi-engined aircraft large possible staying within 132 lb weight-limit Duncan just barely stayed in-bounds very innova tive fellow used Sanwa sail winch model boat hobby operate handmade retract mechanisms land ing gear working oleo struts wheels tires silicone rubber airplanes Abiflgdon Anson least affected wind permitting ac curate placement its dropped bombs Steam power England paid another visit friend Group Captain James Pelly-Fry inspect newest Scale airplane Vickers Wellesley has modeled after prototype flown East African campaign early days Italys involvement WW II accounts have read about experiences aircraft James successfully landed night Sudan desert await dawn before returning base After unexpected return request replacement cancelled Wellesley extremely large airplane single Bristol Pegasus XX 935-horsepower engine having span 75 feet James model /0th scale 90-in wingspan weighed TA lb wing loading 20 oz per sq ft engine Enya 40 four-stroke no lack thrust fly large airplane As prototype model employed geodetic construction fu selage stringers wing ribs basketweave pattern over external sur faces models framework quite complex possible build very light strong framework meth od Rom-Air retracts very wide tread great stability ground James regular flying companions days David Parker Brian Taylor disused air base near homes southwest England Davids newest Scale model Grumman Tigercat F7F-l pair Enya 35 engines Rom-Air retracts Like scratch-builder Scale model ers David has streak inventive geni us long-term projects has development steam-powered model airplane has now reached stage successful five-minuteduration flights three-minute engine run four ounces ethyl alcohol fuel equal amount water Comet IIA model weighs 35 lbs fuel water has 62-in wingspan 630 sq wing area water-tube boiler fabricated thin sheet stainless steel brazed joints one-cylinder steam engine nose develops 24 ounces thrust hand-carved prop Heat exhausted through open holes boiler January1985 145 30 PACIFIC ACE Complete kit $750 plus $150 S & H Also Rearwin Speedster Cessna 34Fairey Battle Fairchild Ranger & Lam bert Monocoupe 30 Price $1000 Fa SEAGLEN MODEL CO BOX 123 Plympton MA 02367 Power Soar New Heights LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrin/brass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714
Edition: Model Aviation - 1985/01
Page Numbers: 48, 49, 142, 143, 144, 145
Radio Contml Sport & Aerobatics Ron Van Putte RICH MIXTURE column intend ed mix topics relative sport RC flying Aerobatic RC flying try emphasize aspect ex pense other often get letters sport fliers complain about excess Aerobatic flying topics vice versa trying proper balance column rely letters receive feedback deciding what future Some letter-writers will ask cover topic has column before usually try oblige re quest Often letter-writer will ask topic contained column several years ago reminds newcomers RC have never read old columns Don Lowe RC Modelers Flying Lowe columnist comparing notes writing magazine column back agreed could probably recycle columns three four years hardly anyone would notice did would make lot easier write columnbut would also intro duce ideas interest RC newcomers never read earlier ones Now long introduction topi9 letter Ron Epple Owensboro KY asked article Novice Pattern fliers should pre pare first contest did piece past column long ago cant remember what issue published March 1983-RMcM Have ever tried find something 100 zines Neverthe less think topic sufficient inter est covered again manage find old column can com pare see close subject like few assump tions must made assume anyone thinking about going first contest has radio airplane capable 48 Model Aviation Correction Word reaching us just aswe going press indicates OS 12 four-stroke used Tony Frac kowiak place third Reno Nats FAI Turnaround Pattern event completely stock modified indicated MAs Nats Pattern report last month Keith Boudreau L Paul Verger Lafayette LA show off Keiths original Cutlass obtained Don Coleman flies great OS 61despite 10 years storagel Would buy used airplane man about new shy retiring per son Bob McLain proprietor Team Race Hobby Shop Clinton MS Bob also Expert-class flier bests Van Putte great regularityl Ron Chidgey R aoceptsthe Man Year Award Dick Austin roast held Rons honor Culman AL RC Clubs annual contest emerged weil-roastedi Rt 2Box2547 La Grande Ore 97850 Exceiient trainer High-iift fiat bottom air foli provides very stable slow-flight capabilities Super clean flying airplane easy trim flies groove very aerobatic See dealer order direct producing Novice maneuvers radio doesnt have new PCM sys tem ball bearing/coreless-motor ser vos Nor does airplane have Arrow retractable gear piped Rossi 61 engine Novice fliers dont need fancy radios airplanes get started Ive preached subject years Almost modern four-channel radio controlling simple three-axis airplane will just fine good measure whether radio/airplane adequate jc1& JIM ROBERTS t flf modEl aa/t 0Ye f*4 ye o% 5~na~ak Aa dewd A4 4 /o ahy o/enmein den Ae h dene4ed tAee Sew 64aaee ap4a41e lo 4u6* E/e4A110A 11 4e49ot4#t/se6einode6 qv dm1wanttof&o*h4ee lAe M0 8/led e4 quick building wili finished fore want Beautiful hand-picked spruce used ex tensively throughout Light weight very accurate durable structure Entireiy new flutter-resistant detachable ailerons no hinge slots use bearings Leading edge shaped efficient highly accurate airfoil Shaped finished parts no die cut parts structure Very versatile wings may interchanged models Exceptional slow-flight stability four models combination can Novice maneuvers hands Sportsman higher class flier first things beginning Pat tern flier should read applica ble sections AMA rule book Parts will confusingbut usu ally experienced Pattern fliers around can help answer questions im portant area emphasize initially Novice class maneuvers Continued page 142 La Grande Municipal Airport 503- 963-0596 Visa Master Card welcome January1985 49 Darryl Miller Muscatine IA checks out Sig Skybolt before competing Sport Aerobatics event 1984 Sig IMAC Championships Mike Gretz photo Hows deluxe field boxes Too bad photo 5&W doesnt justice Richard Dufrenes Cut Off LA efforts Q4-4 MODEL AIRCRAFT mid-wing racy-looking sportster De signed all-around fun airplane Very fast yet easy fly its highly maneuverable stable easy fly Extremely realistic ground air OTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABL GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4ScaIe14951/6AAF1195 1/5 Scale1295Plus 1/12 Scale895 $250 shipping 1/12 Chopper 895 figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 Flinger name like know its bird Hand-Launch category Bamnerts However Jollys dont need hernia belt Allup weight just 13 ounces unlike some other hand-toss designs can flown conventional-size small servos such Airtronics 94401 Futabas S-20 Flingers building steps usual straightforward Sailplane construction techniques used its delight build fly one-piece wing makes building easier Airfoil Eppler 205 wingspan 57 inches 330 square inches area twochannel radio Flinger probably wont find way get air less money Soaring report AMA Nation als last month mention made scanner George Steiner used frequency monitoring relatively low-cost unit$264which clubs should able afford Its eight-band 16-chan nel no-crystal item covers 26 88 108 180 380 514 MHz Its made Regency available through Com munications Electronics 818 Phoenix Box 1002 Ann Arbor MI 48106 toll-free number 1-800-521-4414 Books Some best technical jour nals books modeling include MTB series Eppler Wortmann NACA airfoilsor profiles called over Quite technical content published German theres little chance can get adjectives pronouns struggled through language during studies Herk Stokely solving problem some degree number two number three Soar Tech books out include wealth information between covers Topics include Section Charac teristics Flapped Quabeck Airfoil Rolf Girsberger Horten Wings Ken Bates Design Airfoils Low Reynolds Numbers Michael Selig issuethere now three send five dollars Herk Stokely 1504 Horseshoe Dr Virginia Beach VA 23451 Another book put out San Fernando Valley Silent Flyers called Technical Anthology compilation some clubs best technical papers have printed over years SFV Silent Flyer Contents include Graphs Concerning Optimum Sailplane Size Blame Rawdon Glide Polars Seven Model Sailplanes Rawdon Glueing Carbon Fiber Terry Hall Mike Bame Make Vacuum Pump Bill Forrey book contains some twenty other articles sells 10 dollars can purchased San Fernando Valley Silent Flyers c/o Jim Wichert 1791 Glenview Ave Simi LSF Warren Plohr president says sud denly theres wave inquiries goal-and-returns may should flown way straightline goal back landing until return portion completed No triangular courses allowed no closed cours es either holds true levels III IV V course means leaving field cases especially level IV V After thats part challenge Have good building season meantime support new F3B team Dan Pruss 13 E Pennington Ln Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 49 done way some old pros should checked what say about Straight Flight Out Straight Flight Back likely descriptions have changed since doing maneuvers maneuvers should tried time low-pressure environment big audience undesirable because will add pressure informed ob server useful calm down Novice flier tell him what hes doing right 142 Model Aviation .ngine 45 61 $8995 Shipping Tex Res 8% Pre-Built Fuselage Balsa Sheeted Foam Wings Totally Pre-Cut Fiberglass Cowi CJ ENTERPRISES 512 783-0489 Rt 2 Box 238 M Pharr Texas 78577 Valley CA 93063 DIGITAL PROPORTIONAL ELECTRONIC SPEED CONTROL Electric Powered Model Airplanes Model HP55 Just glance product specifications below know powerful efficient yet compact speed control probably ever heard POWER -- 0 55 Amps continuous tOO Amps peak Operating voltage 3 60 VOC Practically saitable type model motoi OVERALL EFFICIENCY- Typ 97% 40 Amps speed Up 993% full speed 20 Amps instailen doected Battery will last up 3 times longer w th resistor control t 2 throttle WEIGHT & SIZE 2 oz. t5n x34 xl * CONCEPT d state digital pulse proportional Inon-renersing Works positive pulse receiver Plug t5rottle servo connector * APPLICATION mpetition hi power efficiency hi power tight weightl 2 Multi engines helicopters scale twill drive four 05s1 3 Excellent small planes gliders very compactl 4 Great Cobalt motors hi power hi voltagel WARRANTY nditional 3 months PRtCE Assembled & Tested HP 55 5 Shipping S2 hO California Residents please include 6% Sales Tue PAYMENT Money order Visa Master Card respond promptly Personal Csecn se allow 3 weeKs Order mail fromENGINEERING 19572 Waterbury Ln Huntington Beach California 92646 wrong Anyone thinking about going contest shouldnt have trouble takeoff landing other maneu vers should practiced time un til proficency confidence devel oped Its especially true Straight Flight OutProcedure TurnStraight Flight Back sequence good Procedure Turn probably impossible follows bad Straight Flight Out should practiced individually until look goodand strung together proper wind direction should followed since maneuvers done wrong direc tion will result zeros contest Besides manuevers like Three Inside Loops Stall Turn look terrible done downwind Novice fliers beginning Pattern flier should seek advice experienced Pattern fliers proper technique An observer much better judge what airplane doing flier Since goal Pattern flying perform maneuvers look good judges advice competent observer invaluable case point proper framing centering fliers totally unaware flying side other centerline Most beginners start rolling maneuvers too late though rolling maneuverOne Hori zontal Rollit still looks best properly centered will score better An observer can help flier learn start maneuver well others supposed centered Once beginner can reasonable job performing Novice pattern front club members hes probably ready first contest Since peo ple uneasy dont know what expect expected behave few hints about typical contest order Most contests listed Compe tition Newsletter part Model via tion events flown listed along point contact usually Contest Director flier should write point contact requesting informa tion like map get flying site list local motels rates brief schedule events including registration will open time pilots meeting flying will start information usually available form flyer host club malls out sure ask information early enough let US Postal Service its thing Sometimes club offers dis count entry fee advance registra tion few bucks can saved entry soon enough contest held strange field possible arrive site day early its good idea check out field put practice flight two may some peculiarities field take some getting used like tree telephone poles lines landing approach ditch end runway short hard-surface runway youre used grass similar things morning contest mandatory get early enough start make contest site well before pilots meeting scheduled held especially route field strange contestant should register confirm preregistration soon ar rives flying site Contest Direc tor must arrange flight order avoid frequency conflicts smooth operation flight line contests multiple flight lines fliers same frequency should fly same flight line Contest Director will try have same number contestants line moving frequency assign ments line line until achieved However has know whos what frequencies before can complete flight order start contest Help him out register right away contest can start time Frequency control should very tight contest means transmitter should never turned withut authority contest officials Right before contest start nervous time may people doing prac tice flying checking out engines yenSAILPLANES WORLD iSOlA Coffee Rd Modesto CA 95355 Sailplanes International Krause MultiPlex Wan itschek Wik & Roke Sport-Scale-F3B European Hardware Accessories Send $500 Cat & Price List 209 577-0506 January1985 143 P0 Box 2790 Park Falls WI 54552 U Drnradlu Dnsntq 62 SPAN NGINE HAt First Series Great Flying Canards RIC Modeler TeughUtP1yIueued World Aerobatic Champion 640Turbo BD4 Leos Laser Tsp Quality Epoxy Glass RuseWelghR6to6VxlbsFamous Homebuilt Light Plane lqCswl&WIelPaats Engine 45te604er2cycle Alemleem Losing Gene 8 hr Assembly Tim PeamwlngRRSpWlng 95 Ares 1440sqla Balsa Pislel kIt Complete Step Step Jr Stick Englee 2-4 HPOutstanding Large Trainer 99 PLUS$9995 $1SNIPPINGDealer Inquiry Invited Direct Sales Only Canton OH 44707 Manufacturers Quality Kits Rear 3405 Cleveland Ave SW RO UH M ni Send $100 complete catalog Phone 216 484-6810 fying proper retractable gear operation easy shoot airplane down hurt someone unless frequency control observed airplane should assembled fueled before pilots meeting because contest will start right after its over someone has first fly first contest bad time have get airplane ready go hurry Besides Contest Director will im pound transmitters before contest starts makes difficult assemble check out airplane pilots meeting good time get information contest will conducted judged Local variations AMA rules will announced variations usually safety local hazards public relations touchy local resident under normal flight path After pilots meeting flight order will announced pilots responsibility line turn fly though contests try inform everyone up imme diately following him via loud speaker system bullhorn contests flier expected fill out bring two scores sheets flight line score sheets presented judges just before flight after previous contestants airplane has landed flier should have everything might needed line him starting battery prime bottle starter spare glow plug prop/plug wrench spinner reassembly tools Just think problems might occur bring necessary items enable fast fix pilot should have caller/helper him assist getting flight underway tell pilot maneu ver sequence Novice-class jilot will probably forget maneuver sequence name get knees stop shaking caller mandatory caller/helper should place airplane flight line exhaust pointed anywhere judges Since flight time starts glow plug starting battery connector attached flier should check proper radio operation before attaching connector can ask go end flight order problem exists uncommon new Pattern fliers forget connect aileron servo receiver advance radio check will preclude losing round flying due either other similar causes judges should informed starting battery connected glow plug Once engine started needle valve setting should checked wasnt done earlier because changes weather altitude can radically change needle valve setting proper operation caller/helper should carry air plane saves time preagreed starting place takeoff meantime pilot should move close enough judges can easily hear him close blocks view like stand upwind side judges wind blowing because easier hear call out maneuvers maneuver should announced judges told starts ends typical sequence might next maneuver will Immelmann Turn. uver heading . Maneuver starting now. Ma neuver complete caller should form pilot next maneuver soon previous maneuver com pleted pilot can get airplane position perform can tell judges whats next course exceptions normal porcedure maneuver sequence Straight Flight OutProcedure TurnStraight Flight Back exception Theres enough time announce maneuvers normal way So three should nounced initially followed Straight Flight Out starting now. Procedure Turn now---Straight Flight Back now~ neuver complete appropriate times Delete Maneuver complete after first two maneuvers since announcing start follow ing maneuver means previous maneuver complete After landing complete call flight complete thank judges GONTIOLIKI TEND PROFILE0 COMBA RA T WIDE & NARROW WEDGE -- 6 oz Capacities UNIFLOW & TENDD Gust DmA lush Ingredients Fo detailed bochure50C stamps/check CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29418 803-563-7169 THE NEWEST MOTOR FROM pox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS FOX 19 BB Bore 650 Stroke DIsplacemenI 9 RPM wIth 8-4 prop . 17000 WeIght8/4 OZ Fuel ConsumptIon 4 os mm Schneurle porting course rugged parts lots power good idle unique design festure upper cylinder casting can turned exhaust either side back rear exhaust installaiions Structurally Fox 19B8 pear crsnkshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox I9BBRC$5995 90219 Tilt-down Mutt Icr1495 90220 Tilt-up Muffler1495 50203 Motor Mount800 Fox MFG CO 5305 TOWSON AVEFORT SMITH ARK 12901 15011 646-1656 44 Model Aviation Perma-Grit TM Lifetime * Carbide Sanding Tools Tungsten Carbide grit hardest material next diamondp * Outlasts sandpaper 100s timesTungsten carbide grit brazed * Tools will load upsteel 9 long tool use * Grit cant tear looseon balsa hardwoods fiberglass * Makes fitting blending fairing pleasurebeaded foams epoxy fillers * Fairs LE TE foam undercuttingplexiglas * Rapid stock Removal better control * Saves time money end aggravation e USA * Replaces plane knite rasp fr sanding blocks Average Modelers Use F-tOOFlat Coarse/Fine$695 excellent tools thatF-lOt Flat Fine$695 modeler can useF- 102Flat Coarse$695 Don Lowe Professional EngineerR-200 3/4 Radius Coarse/Fine$695 Ask Dealer send check MO No CODs to 1-201 1/8 Tangent Coarse/Fine $695 1-202 3/4 Round Coarse/Fine$625 DIG Products_ 1203 d- Coarse/fine$495 209 Carrlands Dr Dayton 0*4 454291204 d- Coarse/Fine $495 o 94-1192 tage Paid Ohio residents add 6% tax Without judges wouldnt contest probably several other places theyd rather After first contest normal reac tion decide wasnt bad after especially everything went well big factor success proper preparation knowing what expect Both pilots control Good luck has long column rea lize exclusively about Aero batics owe sport fliers Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 RO ScalelWischers Continued page 51 otherwise severely abused cant quite agree philoso phy fuel propellers engines expendable items models interest winning obtaining high static score submerged engine Nev ertheless Mick has proved us possible build fly totally-believ able WW II fighter A-scale can have scalelike appearance both air during static judging ulti mate scale accuracy Mick has made own aluminum wheels tires formed Devcon RTV rubber compound Second place Abingdon awarded Duncan Hutson A-scale Avro Anson Mk 1 model large 84-in wingspan definitely un derpowered pair effectivelysilenced Irvine 30 engines serious competitors have adopted concept building multi-engined aircraft large possible staying within 132 lb weight-limit Duncan just barely stayed in-bounds very innova tive fellow used Sanwa sail winch model boat hobby operate handmade retract mechanisms land ing gear working oleo struts wheels tires silicone rubber airplanes Abiflgdon Anson least affected wind permitting ac curate placement its dropped bombs Steam power England paid another visit friend Group Captain James Pelly-Fry inspect newest Scale airplane Vickers Wellesley has modeled after prototype flown East African campaign early days Italys involvement WW II accounts have read about experiences aircraft James successfully landed night Sudan desert await dawn before returning base After unexpected return request replacement cancelled Wellesley extremely large airplane single Bristol Pegasus XX 935-horsepower engine having span 75 feet James model /0th scale 90-in wingspan weighed TA lb wing loading 20 oz per sq ft engine Enya 40 four-stroke no lack thrust fly large airplane As prototype model employed geodetic construction fu selage stringers wing ribs basketweave pattern over external sur faces models framework quite complex possible build very light strong framework meth od Rom-Air retracts very wide tread great stability ground James regular flying companions days David Parker Brian Taylor disused air base near homes southwest England Davids newest Scale model Grumman Tigercat F7F-l pair Enya 35 engines Rom-Air retracts Like scratch-builder Scale model ers David has streak inventive geni us long-term projects has development steam-powered model airplane has now reached stage successful five-minuteduration flights three-minute engine run four ounces ethyl alcohol fuel equal amount water Comet IIA model weighs 35 lbs fuel water has 62-in wingspan 630 sq wing area water-tube boiler fabricated thin sheet stainless steel brazed joints one-cylinder steam engine nose develops 24 ounces thrust hand-carved prop Heat exhausted through open holes boiler January1985 145 30 PACIFIC ACE Complete kit $750 plus $150 S & H Also Rearwin Speedster Cessna 34Fairey Battle Fairchild Ranger & Lam bert Monocoupe 30 Price $1000 Fa SEAGLEN MODEL CO BOX 123 Plympton MA 02367 Power Soar New Heights LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrin/brass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714
Edition: Model Aviation - 1985/01
Page Numbers: 48, 49, 142, 143, 144, 145
Radio Contml Sport & Aerobatics Ron Van Putte RICH MIXTURE column intend ed mix topics relative sport RC flying Aerobatic RC flying try emphasize aspect ex pense other often get letters sport fliers complain about excess Aerobatic flying topics vice versa trying proper balance column rely letters receive feedback deciding what future Some letter-writers will ask cover topic has column before usually try oblige re quest Often letter-writer will ask topic contained column several years ago reminds newcomers RC have never read old columns Don Lowe RC Modelers Flying Lowe columnist comparing notes writing magazine column back agreed could probably recycle columns three four years hardly anyone would notice did would make lot easier write columnbut would also intro duce ideas interest RC newcomers never read earlier ones Now long introduction topi9 letter Ron Epple Owensboro KY asked article Novice Pattern fliers should pre pare first contest did piece past column long ago cant remember what issue published March 1983-RMcM Have ever tried find something 100 zines Neverthe less think topic sufficient inter est covered again manage find old column can com pare see close subject like few assump tions must made assume anyone thinking about going first contest has radio airplane capable 48 Model Aviation Correction Word reaching us just aswe going press indicates OS 12 four-stroke used Tony Frac kowiak place third Reno Nats FAI Turnaround Pattern event completely stock modified indicated MAs Nats Pattern report last month Keith Boudreau L Paul Verger Lafayette LA show off Keiths original Cutlass obtained Don Coleman flies great OS 61despite 10 years storagel Would buy used airplane man about new shy retiring per son Bob McLain proprietor Team Race Hobby Shop Clinton MS Bob also Expert-class flier bests Van Putte great regularityl Ron Chidgey R aoceptsthe Man Year Award Dick Austin roast held Rons honor Culman AL RC Clubs annual contest emerged weil-roastedi Rt 2Box2547 La Grande Ore 97850 Exceiient trainer High-iift fiat bottom air foli provides very stable slow-flight capabilities Super clean flying airplane easy trim flies groove very aerobatic See dealer order direct producing Novice maneuvers radio doesnt have new PCM sys tem ball bearing/coreless-motor ser vos Nor does airplane have Arrow retractable gear piped Rossi 61 engine Novice fliers dont need fancy radios airplanes get started Ive preached subject years Almost modern four-channel radio controlling simple three-axis airplane will just fine good measure whether radio/airplane adequate jc1& JIM ROBERTS t flf modEl aa/t 0Ye f*4 ye o% 5~na~ak Aa dewd A4 4 /o ahy o/enmein den Ae h dene4ed tAee Sew 64aaee ap4a41e lo 4u6* E/e4A110A 11 4e49ot4#t/se6einode6 qv dm1wanttof&o*h4ee lAe M0 8/led e4 quick building wili finished fore want Beautiful hand-picked spruce used ex tensively throughout Light weight very accurate durable structure Entireiy new flutter-resistant detachable ailerons no hinge slots use bearings Leading edge shaped efficient highly accurate airfoil Shaped finished parts no die cut parts structure Very versatile wings may interchanged models Exceptional slow-flight stability four models combination can Novice maneuvers hands Sportsman higher class flier first things beginning Pat tern flier should read applica ble sections AMA rule book Parts will confusingbut usu ally experienced Pattern fliers around can help answer questions im portant area emphasize initially Novice class maneuvers Continued page 142 La Grande Municipal Airport 503- 963-0596 Visa Master Card welcome January1985 49 Darryl Miller Muscatine IA checks out Sig Skybolt before competing Sport Aerobatics event 1984 Sig IMAC Championships Mike Gretz photo Hows deluxe field boxes Too bad photo 5&W doesnt justice Richard Dufrenes Cut Off LA efforts Q4-4 MODEL AIRCRAFT mid-wing racy-looking sportster De signed all-around fun airplane Very fast yet easy fly its highly maneuverable stable easy fly Extremely realistic ground air OTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABL GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4ScaIe14951/6AAF1195 1/5 Scale1295Plus 1/12 Scale895 $250 shipping 1/12 Chopper 895 figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 Flinger name like know its bird Hand-Launch category Bamnerts However Jollys dont need hernia belt Allup weight just 13 ounces unlike some other hand-toss designs can flown conventional-size small servos such Airtronics 94401 Futabas S-20 Flingers building steps usual straightforward Sailplane construction techniques used its delight build fly one-piece wing makes building easier Airfoil Eppler 205 wingspan 57 inches 330 square inches area twochannel radio Flinger probably wont find way get air less money Soaring report AMA Nation als last month mention made scanner George Steiner used frequency monitoring relatively low-cost unit$264which clubs should able afford Its eight-band 16-chan nel no-crystal item covers 26 88 108 180 380 514 MHz Its made Regency available through Com munications Electronics 818 Phoenix Box 1002 Ann Arbor MI 48106 toll-free number 1-800-521-4414 Books Some best technical jour nals books modeling include MTB series Eppler Wortmann NACA airfoilsor profiles called over Quite technical content published German theres little chance can get adjectives pronouns struggled through language during studies Herk Stokely solving problem some degree number two number three Soar Tech books out include wealth information between covers Topics include Section Charac teristics Flapped Quabeck Airfoil Rolf Girsberger Horten Wings Ken Bates Design Airfoils Low Reynolds Numbers Michael Selig issuethere now three send five dollars Herk Stokely 1504 Horseshoe Dr Virginia Beach VA 23451 Another book put out San Fernando Valley Silent Flyers called Technical Anthology compilation some clubs best technical papers have printed over years SFV Silent Flyer Contents include Graphs Concerning Optimum Sailplane Size Blame Rawdon Glide Polars Seven Model Sailplanes Rawdon Glueing Carbon Fiber Terry Hall Mike Bame Make Vacuum Pump Bill Forrey book contains some twenty other articles sells 10 dollars can purchased San Fernando Valley Silent Flyers c/o Jim Wichert 1791 Glenview Ave Simi LSF Warren Plohr president says sud denly theres wave inquiries goal-and-returns may should flown way straightline goal back landing until return portion completed No triangular courses allowed no closed cours es either holds true levels III IV V course means leaving field cases especially level IV V After thats part challenge Have good building season meantime support new F3B team Dan Pruss 13 E Pennington Ln Plainfield IL 60544 RC Aerobatics/Van Putte Continued page 49 done way some old pros should checked what say about Straight Flight Out Straight Flight Back likely descriptions have changed since doing maneuvers maneuvers should tried time low-pressure environment big audience undesirable because will add pressure informed ob server useful calm down Novice flier tell him what hes doing right 142 Model Aviation .ngine 45 61 $8995 Shipping Tex Res 8% Pre-Built Fuselage Balsa Sheeted Foam Wings Totally Pre-Cut Fiberglass Cowi CJ ENTERPRISES 512 783-0489 Rt 2 Box 238 M Pharr Texas 78577 Valley CA 93063 DIGITAL PROPORTIONAL ELECTRONIC SPEED CONTROL Electric Powered Model Airplanes Model HP55 Just glance product specifications below know powerful efficient yet compact speed control probably ever heard POWER -- 0 55 Amps continuous tOO Amps peak Operating voltage 3 60 VOC Practically saitable type model motoi OVERALL EFFICIENCY- Typ 97% 40 Amps speed Up 993% full speed 20 Amps instailen doected Battery will last up 3 times longer w th resistor control t 2 throttle WEIGHT & SIZE 2 oz. t5n x34 xl * CONCEPT d state digital pulse proportional Inon-renersing Works positive pulse receiver Plug t5rottle servo connector * APPLICATION mpetition hi power efficiency hi power tight weightl 2 Multi engines helicopters scale twill drive four 05s1 3 Excellent small planes gliders very compactl 4 Great Cobalt motors hi power hi voltagel WARRANTY nditional 3 months PRtCE Assembled & Tested HP 55 5 Shipping S2 hO California Residents please include 6% Sales Tue PAYMENT Money order Visa Master Card respond promptly Personal Csecn se allow 3 weeKs Order mail fromENGINEERING 19572 Waterbury Ln Huntington Beach California 92646 wrong Anyone thinking about going contest shouldnt have trouble takeoff landing other maneu vers should practiced time un til proficency confidence devel oped Its especially true Straight Flight OutProcedure TurnStraight Flight Back sequence good Procedure Turn probably impossible follows bad Straight Flight Out should practiced individually until look goodand strung together proper wind direction should followed since maneuvers done wrong direc tion will result zeros contest Besides manuevers like Three Inside Loops Stall Turn look terrible done downwind Novice fliers beginning Pattern flier should seek advice experienced Pattern fliers proper technique An observer much better judge what airplane doing flier Since goal Pattern flying perform maneuvers look good judges advice competent observer invaluable case point proper framing centering fliers totally unaware flying side other centerline Most beginners start rolling maneuvers too late though rolling maneuverOne Hori zontal Rollit still looks best properly centered will score better An observer can help flier learn start maneuver well others supposed centered Once beginner can reasonable job performing Novice pattern front club members hes probably ready first contest Since peo ple uneasy dont know what expect expected behave few hints about typical contest order Most contests listed Compe tition Newsletter part Model via tion events flown listed along point contact usually Contest Director flier should write point contact requesting informa tion like map get flying site list local motels rates brief schedule events including registration will open time pilots meeting flying will start information usually available form flyer host club malls out sure ask information early enough let US Postal Service its thing Sometimes club offers dis count entry fee advance registra tion few bucks can saved entry soon enough contest held strange field possible arrive site day early its good idea check out field put practice flight two may some peculiarities field take some getting used like tree telephone poles lines landing approach ditch end runway short hard-surface runway youre used grass similar things morning contest mandatory get early enough start make contest site well before pilots meeting scheduled held especially route field strange contestant should register confirm preregistration soon ar rives flying site Contest Direc tor must arrange flight order avoid frequency conflicts smooth operation flight line contests multiple flight lines fliers same frequency should fly same flight line Contest Director will try have same number contestants line moving frequency assign ments line line until achieved However has know whos what frequencies before can complete flight order start contest Help him out register right away contest can start time Frequency control should very tight contest means transmitter should never turned withut authority contest officials Right before contest start nervous time may people doing prac tice flying checking out engines yenSAILPLANES WORLD iSOlA Coffee Rd Modesto CA 95355 Sailplanes International Krause MultiPlex Wan itschek Wik & Roke Sport-Scale-F3B European Hardware Accessories Send $500 Cat & Price List 209 577-0506 January1985 143 P0 Box 2790 Park Falls WI 54552 U Drnradlu Dnsntq 62 SPAN NGINE HAt First Series Great Flying Canards RIC Modeler TeughUtP1yIueued World Aerobatic Champion 640Turbo BD4 Leos Laser Tsp Quality Epoxy Glass RuseWelghR6to6VxlbsFamous Homebuilt Light Plane lqCswl&WIelPaats Engine 45te604er2cycle Alemleem Losing Gene 8 hr Assembly Tim PeamwlngRRSpWlng 95 Ares 1440sqla Balsa Pislel kIt Complete Step Step Jr Stick Englee 2-4 HPOutstanding Large Trainer 99 PLUS$9995 $1SNIPPINGDealer Inquiry Invited Direct Sales Only Canton OH 44707 Manufacturers Quality Kits Rear 3405 Cleveland Ave SW RO UH M ni Send $100 complete catalog Phone 216 484-6810 fying proper retractable gear operation easy shoot airplane down hurt someone unless frequency control observed airplane should assembled fueled before pilots meeting because contest will start right after its over someone has first fly first contest bad time have get airplane ready go hurry Besides Contest Director will im pound transmitters before contest starts makes difficult assemble check out airplane pilots meeting good time get information contest will conducted judged Local variations AMA rules will announced variations usually safety local hazards public relations touchy local resident under normal flight path After pilots meeting flight order will announced pilots responsibility line turn fly though contests try inform everyone up imme diately following him via loud speaker system bullhorn contests flier expected fill out bring two scores sheets flight line score sheets presented judges just before flight after previous contestants airplane has landed flier should have everything might needed line him starting battery prime bottle starter spare glow plug prop/plug wrench spinner reassembly tools Just think problems might occur bring necessary items enable fast fix pilot should have caller/helper him assist getting flight underway tell pilot maneu ver sequence Novice-class jilot will probably forget maneuver sequence name get knees stop shaking caller mandatory caller/helper should place airplane flight line exhaust pointed anywhere judges Since flight time starts glow plug starting battery connector attached flier should check proper radio operation before attaching connector can ask go end flight order problem exists uncommon new Pattern fliers forget connect aileron servo receiver advance radio check will preclude losing round flying due either other similar causes judges should informed starting battery connected glow plug Once engine started needle valve setting should checked wasnt done earlier because changes weather altitude can radically change needle valve setting proper operation caller/helper should carry air plane saves time preagreed starting place takeoff meantime pilot should move close enough judges can easily hear him close blocks view like stand upwind side judges wind blowing because easier hear call out maneuvers maneuver should announced judges told starts ends typical sequence might next maneuver will Immelmann Turn. uver heading . Maneuver starting now. Ma neuver complete caller should form pilot next maneuver soon previous maneuver com pleted pilot can get airplane position perform can tell judges whats next course exceptions normal porcedure maneuver sequence Straight Flight OutProcedure TurnStraight Flight Back exception Theres enough time announce maneuvers normal way So three should nounced initially followed Straight Flight Out starting now. Procedure Turn now---Straight Flight Back now~ neuver complete appropriate times Delete Maneuver complete after first two maneuvers since announcing start follow ing maneuver means previous maneuver complete After landing complete call flight complete thank judges GONTIOLIKI TEND PROFILE0 COMBA RA T WIDE & NARROW WEDGE -- 6 oz Capacities UNIFLOW & TENDD Gust DmA lush Ingredients Fo detailed bochure50C stamps/check CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29418 803-563-7169 THE NEWEST MOTOR FROM pox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS FOX 19 BB Bore 650 Stroke DIsplacemenI 9 RPM wIth 8-4 prop . 17000 WeIght8/4 OZ Fuel ConsumptIon 4 os mm Schneurle porting course rugged parts lots power good idle unique design festure upper cylinder casting can turned exhaust either side back rear exhaust installaiions Structurally Fox 19B8 pear crsnkshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox I9BBRC$5995 90219 Tilt-down Mutt Icr1495 90220 Tilt-up Muffler1495 50203 Motor Mount800 Fox MFG CO 5305 TOWSON AVEFORT SMITH ARK 12901 15011 646-1656 44 Model Aviation Perma-Grit TM Lifetime * Carbide Sanding Tools Tungsten Carbide grit hardest material next diamondp * Outlasts sandpaper 100s timesTungsten carbide grit brazed * Tools will load upsteel 9 long tool use * Grit cant tear looseon balsa hardwoods fiberglass * Makes fitting blending fairing pleasurebeaded foams epoxy fillers * Fairs LE TE foam undercuttingplexiglas * Rapid stock Removal better control * Saves time money end aggravation e USA * Replaces plane knite rasp fr sanding blocks Average Modelers Use F-tOOFlat Coarse/Fine$695 excellent tools thatF-lOt Flat Fine$695 modeler can useF- 102Flat Coarse$695 Don Lowe Professional EngineerR-200 3/4 Radius Coarse/Fine$695 Ask Dealer send check MO No CODs to 1-201 1/8 Tangent Coarse/Fine $695 1-202 3/4 Round Coarse/Fine$625 DIG Products_ 1203 d- Coarse/fine$495 209 Carrlands Dr Dayton 0*4 454291204 d- Coarse/Fine $495 o 94-1192 tage Paid Ohio residents add 6% tax Without judges wouldnt contest probably several other places theyd rather After first contest normal reac tion decide wasnt bad after especially everything went well big factor success proper preparation knowing what expect Both pilots control Good luck has long column rea lize exclusively about Aero batics owe sport fliers Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 RO ScalelWischers Continued page 51 otherwise severely abused cant quite agree philoso phy fuel propellers engines expendable items models interest winning obtaining high static score submerged engine Nev ertheless Mick has proved us possible build fly totally-believ able WW II fighter A-scale can have scalelike appearance both air during static judging ulti mate scale accuracy Mick has made own aluminum wheels tires formed Devcon RTV rubber compound Second place Abingdon awarded Duncan Hutson A-scale Avro Anson Mk 1 model large 84-in wingspan definitely un derpowered pair effectivelysilenced Irvine 30 engines serious competitors have adopted concept building multi-engined aircraft large possible staying within 132 lb weight-limit Duncan just barely stayed in-bounds very innova tive fellow used Sanwa sail winch model boat hobby operate handmade retract mechanisms land ing gear working oleo struts wheels tires silicone rubber airplanes Abiflgdon Anson least affected wind permitting ac curate placement its dropped bombs Steam power England paid another visit friend Group Captain James Pelly-Fry inspect newest Scale airplane Vickers Wellesley has modeled after prototype flown East African campaign early days Italys involvement WW II accounts have read about experiences aircraft James successfully landed night Sudan desert await dawn before returning base After unexpected return request replacement cancelled Wellesley extremely large airplane single Bristol Pegasus XX 935-horsepower engine having span 75 feet James model /0th scale 90-in wingspan weighed TA lb wing loading 20 oz per sq ft engine Enya 40 four-stroke no lack thrust fly large airplane As prototype model employed geodetic construction fu selage stringers wing ribs basketweave pattern over external sur faces models framework quite complex possible build very light strong framework meth od Rom-Air retracts very wide tread great stability ground James regular flying companions days David Parker Brian Taylor disused air base near homes southwest England Davids newest Scale model Grumman Tigercat F7F-l pair Enya 35 engines Rom-Air retracts Like scratch-builder Scale model ers David has streak inventive geni us long-term projects has development steam-powered model airplane has now reached stage successful five-minuteduration flights three-minute engine run four ounces ethyl alcohol fuel equal amount water Comet IIA model weighs 35 lbs fuel water has 62-in wingspan 630 sq wing area water-tube boiler fabricated thin sheet stainless steel brazed joints one-cylinder steam engine nose develops 24 ounces thrust hand-carved prop Heat exhausted through open holes boiler January1985 145 30 PACIFIC ACE Complete kit $750 plus $150 S & H Also Rearwin Speedster Cessna 34Fairey Battle Fairchild Ranger & Lam bert Monocoupe 30 Price $1000 Fa SEAGLEN MODEL CO BOX 123 Plympton MA 02367 Power Soar New Heights LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrin/brass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714