RADIO CONTROL SOARING ltiT~IT WOW MY FIRST ARTICLE national magazine What privilege What honor What should write about First should mention Byron Blakeslee Since started flying Byrons articles have part soaring experience learned fly following gentlemans written word devoured anything Byron wrote about finally got meet man behind pen slope race Washington couldnt believe what genuinely nice person figured since Byron national personality would sort stuck up something just nice guy Sorry Byron secret out know speak soaring enthusiasts across states say Thank Byron have given sport have instrumental proper steering hobby thank you would like write Byron show appreciation Im sure would love hear lot probably thinking Daryl Perkins am bothering read cant answer last question think fair tell little bit about myself since youre going reading ramblings month after month Lets see born log cabin middle Kentucky.whats Too far back OK Ill start interest soaring started day after born. Honestly have interested models ever since can remember father has full-scale license have flown him since just young buck didnt really appeal little boy liked toy airplanes used take some local power fields would start building trainer models building techniques taught stuck About nine years ago finally some free time completed first RC sailplane Sig Riser found local slope site decided sloping much fun waiking hi-start five minutes besides could get really high therefore go really fast liked part finaily tore fin off Riser vertical dive decided needed faster model went directly Bob Martin SR 7 took figure out aileron thing once did greatly enjoyed freedom high-energy aerobatics Since have drawn faster faster gliders getting involved slope racing demon referred F3B aiso fair amount thermal work real love speed put soaring ahead everything dont really know fly love freedom people friendly competition guess its just feeling enjoying purest form RC flying soaring As read articles remember am aeronautical engineer aerodynamicist just normal guy like truly loves sport As read can look out April 1994 73 Sailplane Works beautiful new Aria HL Span 58 inches kill decals Ernie Barters Falcon 880 mark aerial accidents 385 square inches area SD 6080 airfoil Details text dont kill decals usually denote victories Text describes easy repair method Ernie Barters Falcon wing after unpleasant encounter tree After fix Beautiful job Ernie wipe-on epoxy finish sealed soft balsa made surface rigid window see wind rain snow Well recently brave elements travel San Diego F3B Contest hosted Torrey Pines Gulls CDed good friend Steve Condon suffer through 750F-800F temperatures nothing sunshine might have gotten down 50s night looked coat once Boy can guys host contest Rooms prearranged Ramada Inn suites contestants ample supply field workers typically problem F3B Steve guaranteed would have fun also typically problem F3B list contestants read like Whos competitive F3B soaring entire US team Don Edberg Seth Dawson Steve Lewis Manny Tau just few wellknown fliers also three Sportsman fliers signed up try luck headto-head sport Scott Condon Jim Markle eventual Sportsman winner George Joy guys definitely considered Sportsman fliers other type soaring event Day contest started out some low-stress Duration immediately became high-stress Duration dead air conditions could launch cruise stopped circle dead Most top competitors recognized eked out times Distance took place too upsets first round Speed took serious toll some top fliers contest open taking due Larry Jollys line-break problems cuts Joe Wurts myself Rich Spicer eventful Speed flight hitting tree very narrow course can envision beautiful allred Synergy III broken tailboom.well get picture Speed flown back-to-back cuts once again Joe competitors left ponder far turn wasWas course regulation Randy Spencer gets should have bought lottery ticket award handed mother thermals launch after model went behind tree Spicer hit came out other side fastest time contest 178 day ended Duration slightly better conditions morning contestants maxed adjourned evening mass consumption beer pizza Once again would like point out fly much people flying itself else could people such varied backgrounds lifestyles have much fun decided dinner start much earlier next day much relief us travel after contest Day Two again started Duration about hour earlier day before didnt make seven minutes seem shorter 658 couldnt possibly have stretched 703 Most top fliers somehow squirmed through times exception 1977 World Champ Skip Miller Skip flying flawlessly contention top honors until flight could manage 608 100-point landing landing Skip still take about 100-point hit Distance Speed seemed turn endurance test Allen Development F3B Eagle quite bit abuse handed out Randy Spencer Larry Jolly Trying get last lap Distance can very hard models Randy proved model forcefully hit far-end sighting device Randy caught wingtip put Eagle flat spin rebuilding frenzy ensued rnshed get model back air Speed After temporary fix Randy said boy just cant kill things Larry Jolly proceeded prove Randys point dragging tip across finish line Speed Larrys model hit hard thought dust after checking servos linkage spar thing Continued page 112 74 Model Aviation IALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTh AVAIl ARE F ENfliViflhlAl IV UOMILI IIION ACUESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES S & 7 LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Soaring/Perkins Continued page 74 damaged Larrys ego After dust settled Randy wonhe deserved flew consistenfly conservativelyvery important long contest Expert Results 1 Randy Spencer 2 Steve Lewis 3 Seth Dawson 11632 points 11451 points 11413 points Sportsman Results 1 George Joy 2 Jim Markie 3 Scott Condon Thanks Torrey Pines Gulls hosting contest good time uninitiated often ask birds ever bother model Well letter Ernest F Barter Saratoga California regarding some escapades local bird prey Hawk Encounter past local hawks have friendly sorts have shared air space until about month ago tried share lift guy wasnt having part circling about 300 400 feet noticed hawk some distance away seemed better lift know flew over area approaching behind going much faster wanting overtake Mr Hawk did 360 lose airspeed Making second approach again behind much slower thought could join up fly wingtip Share little lift would Wrong As came alongside Mr Hawk did very unfriendly act couldnt tell got beak talons too high see happened instant took good-sized chunk out right wing Mr Hawk continued circle Falcon turned 900 impact obviously trouble responding normally control inputs damaged wing hit hard both wings partially unplugged use electrical tape join wings fuselage both sides pulled free Long rear joiners long electrical plugs saved day lost control right flap intermittent right aileron slow descent uneventful landing disclosed extent damage right wing unplugged another l/ inch would have doing post-crash analysis probably would never have known what damage caused flying buddy moral story approach resident hawk caution give him wide berth Screaming behind high airspeed obviously way join up bird friends [These good words advice have heard some slope clubs actually losing sites due bird harassment Daryl] After altercation UFOs Unfriendly Flying Objects Unfriendly Fixed Objects Ernest goes tell repair methods Repair composite wings After losing argument tree effecting leading edge repair using cut damage out sand fit foam fit leading edge fit new skin sand some method figured must better way Using premise skin/leading edge composite wing mostly provide torsional read twist strength cause air molecules zip around via Bernoulli effect fitting foam leading edge skin damaged area exercise futility Falcon spar alone will support Gs can dish out skin just going along ride OK OK engineers out will say skin provides some amount bending strength agree much debatable wing doesnt bend flap/aileron cut outs intact areas wing 112 Model Aviation * OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC 1938 KLOUD KING 72 ~ELE$15995 SPECIFICATIONS Engine 25 40 2 cycle 40 48 4 cycle Rado 3 channel B&M MODEL CO 290 w 1051 N LAYTON UT 84041 PHONE 801544-5689 Send os Call Free flrechne ADD $695 SHIPPING/HANDUNG UT RES ADD 625% TAX * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $299 Cat No 202 Air Cleaner Fine $299 Replacement Inserts Cat No 104 PkI2 Inserts Coarse $239 Cat No 204 Pkl2 Inserts Fine $239 FITS MOST ENGINES 26and UP SEE YOUR LOCAL HOBBYDEALER IF UNAVAILABLE LOCALLY SEND TO Bru Line Industries Inc o Box37N Center Line Michigan 48015 Add $250 sI pp ng M ch gan residents add 4% sales tax Strength aside devised sanding drum method repair See photos Using split drum over standard drum cookie cutter drum make half round cut damaged area perfect fitting repair piece results first made soft balsa plywood using soft -inch outer medium-soft 1/s-inch inner glued together CyA plug disc cut will match removed halfround repair area no matter deep repair ground up 1800 circle use outer plywood grain span-wise inner plywood cord-wise leading edge strength disc held repair marked leading edge line airfoil sanded rough-in shape Epoxy place finish sand Its easy used wiped-on epoxy finish seal soft balsa give surface some rigidity finish entire wing automotive poof spray can lacquer clear finish bare obechi wings need coat paint repairs pretty sans lacquer finish epoxy-sealed foamlohechi sheeted wings survived lacquer solvents just fine thank kill decals reflect two tree encounters hawk future will try very hard have additions side fuselage especially hawk kind Trees seem bend little hawks fight back Thanks letter Ernestthats sound advice would throw layer three-ounce fiberglass cloth over repaired area Im sort known blowing up models As Byron effect changing guard will still including some letters have written him As major sailplane manufacturers starting sell obechi sheeted kits its nice receive letters tips dealing very temperamental wood tip Daves Wood Products out Leavenworth Washington Dear Byron just finished reading faithfully column August issue Model Aviation tip prefinishing obechi Diamond Finish Polyurethane good have advising customers follow same system difference recommend prefinishing entire sheet before cutting out skins 1 Sand both sides entire sheet 250-grit sandpaper palm-sized finish sander 2 Vacuum damp-towel both sides sheet Note Dont use tack rag contain something screws up water-based finishes 3 Apply thin coat Diamond Finish side pointed out wood will curl up like mad 4 After first side dry coat other side curl will pretty well flatten out 5 Inspect sheet determine side will exposed world give good side another quick sand cut out wing skins using rotary wheel pizza cutters know things fabric stores used cut clothask wife order get grain-matched left right wing skins cut two sheets time using pre-finishing technique wheel cutteragainst solid surfaceI can cut two sheets resorting masking tape Brian Agnew uses same cutterno prefinishingand cuts four sheets time remainder wood split-resistant just retape ends roll up put back its box Thanks tip Dave would like point out pizza cutters very sharp can hazardous healthnot mention what can bottom pizza box Handlaunch models seem gaining popularity States over world As small models relatively easy kit seems natural bombarded new manufacturers new designs nice finally have PRECISION MODEL PRODUCTS Made U S 1 BARSTOCK ALUMINUM SPINNERS Retail Pan No Size Price TT-1502-B 11/2 $1495 TT-1752-B 13/4 1595 TT-2002-B .2 1895 TT-2252-B 21/4 1995 TT-2262-B 2114 FAI . 2195 TT-2502-B 2-1/2 2195 TT-251 2-B 21/2FAI 2395 TT-2752-B 23/4 2695 TT-2762-B FAI 2895 TT-3002-B 3 3095 TT-301 2-B 3 FAI 3295 TT-3252-B 31/4 4195 TT-3502-B 31/2 5495 TT-3752-B 33/4 6495 TT-4002-B 4 7995 Approx Weight 058 ox 095 ox 100 oz 160 oz 150 ox 190 ox 170 ox 220 oz 200 oz 260 oz 250 oz 340 oz 470 oz 520 ox 570 oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Retail rox Pan No SizePrice ght TT-01 40-A 1/4-28$595061 oz TT-0147-A 1/4-28/7mm . 595061 oz TT-0610-A.6x1Omm .. 595063oz TT-0710-A.7x1Omm .. 595082 oz TT-051 6-A 5/16-24595076 xi TT-051 8-A 5/16-24/8mm595076 oz TT-0810-A.8x1Omm595076 OZ TT-0825-A 8 x 125mm . oz TT-0375-A 3/8-24695117 oz TT-0125-A 125mm . 695 115 ox 3 Pieces Nut Washer aird Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 April1994 113 BLEND different airfoils wing root tip BROWSE through dozens airfoils ON SCREENI* Import VIEW airfoils other plot programs Enjoy point-and-click file selection loading Plot left-hand right-hand airfoils both Graphically modify airfoil shapes ON SCREENI* Enter own data quickly easily or. Select hundreds airfoils available disk eqwes VGA graphics $5995 CA residents add sates tax Oversees orders US$85 Send Check Fuel Line Pullers Threads fuel tubes through bulkheads wasting tubing m Nil Li Price 2 units $495Product No FOR 146 Fuel Line Pullers constructed flexible plastic mesh cinches tubing holds tight being pulled hard plastic tips make threading tubing easy through compact fuselages work bench field Fuel Line Pullers make tank installation snap waste excess tubing frustration involved threading long pieces tubing through fuselage Fourmost Products Check local hobby shop other great model pivducts Fourmost SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER US SIG-imporled ROSSI engines come full 90 day 510 WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC.. Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 some choices very pure form soaring have some conversations Mark Weiland Aurora Colorado regarding new HL effort Aria HL Aria half good Mark says Ill take dozen go have tendency break things Mark writes Aria HL started out way take work artist twodimensional three-dimensional realm masters degree work dealt personal image created illusion flying moving space wanted Aria HL become kinetic sculpture means could move space could fly illusion have always wondered line drawn between piece fine art model sailplane project has satisfied question So during last year developed artistic ideas finalized building competitive handlaunch have flying RC sailpianes almost twenty years have found handlaunch glider fascinating form sport Dave Thomburgs article hand-launch Sunbird fueled interest during early 1980s created aileron handlaunch named Katydid conventional building techniques time however caused weigh 20 ounces too heavy Over past several years building business has allowed see number very good sailplanes methods building lightweight gliders mind started design Aria HL wanted glider could move upwind quickly slow down thermal turn dime amazing little details go finalization design Aria IlL has fulfilled design expectations T-tailed handlaunch has span 585 inches 60 inches projected 385 square inches wing foam covered obechi trailing edge using 29-ounce carbon fiber allow knife-edge finish Its fuselage laid up using epoxy resin fiberglass Kevlar carbon fiber weight ranging 17 19 ounces have molded finger rest also works wing hold-down mount visaBJrn/C ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 114 Model Aviation AWAY SERVOS WIRING OR METAL PUSH RODS AND FEET WILL ACCEPT ALL POPULAR RADIO ANTENNAS PACKAGE OF 6 ONLY 98 CENTS SEND SASE FOR NEW 1994 ILLUSTRATED ORDER FORM WILLIAMS BROS INC PAWNEE ST SAN MARCOS CA 92069 stab foam obechi covering using some carbon fiber reinforce mounting areas also removable storage repair rudder built-up covered MonoKote save weight servos battery pack fit tray fuselage held single 4-40 bolt servos have own pushrod ends soldered I/3 music wires attached control surfaces some seems complicated reward very reliable strong airframe have done outside inside loops high-speed passes rolls other maneuvers outside normal flight envelope handlaunch glider aircraft am flying weighs 14 ounces 600 mA pack lightest have built 135 heaviest 155 longest flight have bad 40 minutes long next summer hope try national Duration record sailplane have tried create very complete kit parts precut fabricated plans full-size cross-sections flaperon slope version shown fact buyer sailplane kit could buy hand-launch kit extra wing build sloper days wind isnt could handtossing instruction manual very complete drawings templates modifications larger receivers flaperons etc think very good value dollar have set price $9995 presheeted wing being $4995 extra am very pleased Aria anyone would like further information can contact Sailplane Works 3355 S Dunkirk Way Aurora Colorado 80013 Tel 303 699-0467 between 430 pm and 930 pm MST have yet see design up close personal sounds very promising Give Mark call anything want read about please let know Until next time. Green Air * 5000 different22000 3-view drawings color FOTOPAAKS including KOKU-FAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 EIBC-1Fits FUTABA S28/S 128 S38/S t38 or548/5t48 Servos set 4$2595 GRC2As above set 1$695 3Fits AIRTRONICS 94102 Servos set 4$2595 4As above set I$695 IanL-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS H5300 H5500 ACE330342 342HS TOWER TS-5 Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only california Residents Add 775% Sates Tax 800 845-8978 Orders OnlyVISA MASTERCARD Accepted i HP200 8O SPORT STUNT PLANE BYJI/4/G AfEG j THE CLEAN LINES OF THE HP 200 REPRESENT MANY CLASSIC DESIGN FEATURES THAT SET THIS BIG BIRD U THE REST THE EASE OF CONS TRUCTION AND AMAZING FLIGHT PERFORMANCE IS ATTRIBUTED TOE ITS DESIGNER HAL PARENT COMES IN SEMI-KIT FORM TO SAVE YOU MONEY PRICE OF SEMI-KIT $9995ENWNESGOTOOUADRA42 WEIGHT 14 TO LBS CONSTROCTION MANUAL U FOAM WING CORES U M309 FOAM TURTLE DECK s00/342WHEEL PANTS ACCEPTEOCRYSTAL CLEAR CANOPY ALUMINUM LANDING FEARE HEAVY PLYWOOD MAIN U M ES S FIRE WALL AND U U HORNSAND WINS BOLTS U BILL OF MATERIALS FOR ADDITIONAL WOOD REOLIIRED TO COMPLETE U THE AIRFRAME U SEND MAIL ORDERS TO WINS MPG 300 E SIMMONS GALESBURO IL 61401U ADD $795 SHIPPING AND HANDLING IN AS ACALL DR WRITE FOR SHIPPING CHARGES ON FOREIGN ORDERSU April1994 115 Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying Weight 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 Yoroa LInDa B
Edition: Model Aviation - 1994/04
Page Numbers: 73, 74, 112, 113, 114, 115
RADIO CONTROL SOARING ltiT~IT WOW MY FIRST ARTICLE national magazine What privilege What honor What should write about First should mention Byron Blakeslee Since started flying Byrons articles have part soaring experience learned fly following gentlemans written word devoured anything Byron wrote about finally got meet man behind pen slope race Washington couldnt believe what genuinely nice person figured since Byron national personality would sort stuck up something just nice guy Sorry Byron secret out know speak soaring enthusiasts across states say Thank Byron have given sport have instrumental proper steering hobby thank you would like write Byron show appreciation Im sure would love hear lot probably thinking Daryl Perkins am bothering read cant answer last question think fair tell little bit about myself since youre going reading ramblings month after month Lets see born log cabin middle Kentucky.whats Too far back OK Ill start interest soaring started day after born. Honestly have interested models ever since can remember father has full-scale license have flown him since just young buck didnt really appeal little boy liked toy airplanes used take some local power fields would start building trainer models building techniques taught stuck About nine years ago finally some free time completed first RC sailplane Sig Riser found local slope site decided sloping much fun waiking hi-start five minutes besides could get really high therefore go really fast liked part finaily tore fin off Riser vertical dive decided needed faster model went directly Bob Martin SR 7 took figure out aileron thing once did greatly enjoyed freedom high-energy aerobatics Since have drawn faster faster gliders getting involved slope racing demon referred F3B aiso fair amount thermal work real love speed put soaring ahead everything dont really know fly love freedom people friendly competition guess its just feeling enjoying purest form RC flying soaring As read articles remember am aeronautical engineer aerodynamicist just normal guy like truly loves sport As read can look out April 1994 73 Sailplane Works beautiful new Aria HL Span 58 inches kill decals Ernie Barters Falcon 880 mark aerial accidents 385 square inches area SD 6080 airfoil Details text dont kill decals usually denote victories Text describes easy repair method Ernie Barters Falcon wing after unpleasant encounter tree After fix Beautiful job Ernie wipe-on epoxy finish sealed soft balsa made surface rigid window see wind rain snow Well recently brave elements travel San Diego F3B Contest hosted Torrey Pines Gulls CDed good friend Steve Condon suffer through 750F-800F temperatures nothing sunshine might have gotten down 50s night looked coat once Boy can guys host contest Rooms prearranged Ramada Inn suites contestants ample supply field workers typically problem F3B Steve guaranteed would have fun also typically problem F3B list contestants read like Whos competitive F3B soaring entire US team Don Edberg Seth Dawson Steve Lewis Manny Tau just few wellknown fliers also three Sportsman fliers signed up try luck headto-head sport Scott Condon Jim Markle eventual Sportsman winner George Joy guys definitely considered Sportsman fliers other type soaring event Day contest started out some low-stress Duration immediately became high-stress Duration dead air conditions could launch cruise stopped circle dead Most top competitors recognized eked out times Distance took place too upsets first round Speed took serious toll some top fliers contest open taking due Larry Jollys line-break problems cuts Joe Wurts myself Rich Spicer eventful Speed flight hitting tree very narrow course can envision beautiful allred Synergy III broken tailboom.well get picture Speed flown back-to-back cuts once again Joe competitors left ponder far turn wasWas course regulation Randy Spencer gets should have bought lottery ticket award handed mother thermals launch after model went behind tree Spicer hit came out other side fastest time contest 178 day ended Duration slightly better conditions morning contestants maxed adjourned evening mass consumption beer pizza Once again would like point out fly much people flying itself else could people such varied backgrounds lifestyles have much fun decided dinner start much earlier next day much relief us travel after contest Day Two again started Duration about hour earlier day before didnt make seven minutes seem shorter 658 couldnt possibly have stretched 703 Most top fliers somehow squirmed through times exception 1977 World Champ Skip Miller Skip flying flawlessly contention top honors until flight could manage 608 100-point landing landing Skip still take about 100-point hit Distance Speed seemed turn endurance test Allen Development F3B Eagle quite bit abuse handed out Randy Spencer Larry Jolly Trying get last lap Distance can very hard models Randy proved model forcefully hit far-end sighting device Randy caught wingtip put Eagle flat spin rebuilding frenzy ensued rnshed get model back air Speed After temporary fix Randy said boy just cant kill things Larry Jolly proceeded prove Randys point dragging tip across finish line Speed Larrys model hit hard thought dust after checking servos linkage spar thing Continued page 112 74 Model Aviation IALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTh AVAIl ARE F ENfliViflhlAl IV UOMILI IIION ACUESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES S & 7 LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Soaring/Perkins Continued page 74 damaged Larrys ego After dust settled Randy wonhe deserved flew consistenfly conservativelyvery important long contest Expert Results 1 Randy Spencer 2 Steve Lewis 3 Seth Dawson 11632 points 11451 points 11413 points Sportsman Results 1 George Joy 2 Jim Markie 3 Scott Condon Thanks Torrey Pines Gulls hosting contest good time uninitiated often ask birds ever bother model Well letter Ernest F Barter Saratoga California regarding some escapades local bird prey Hawk Encounter past local hawks have friendly sorts have shared air space until about month ago tried share lift guy wasnt having part circling about 300 400 feet noticed hawk some distance away seemed better lift know flew over area approaching behind going much faster wanting overtake Mr Hawk did 360 lose airspeed Making second approach again behind much slower thought could join up fly wingtip Share little lift would Wrong As came alongside Mr Hawk did very unfriendly act couldnt tell got beak talons too high see happened instant took good-sized chunk out right wing Mr Hawk continued circle Falcon turned 900 impact obviously trouble responding normally control inputs damaged wing hit hard both wings partially unplugged use electrical tape join wings fuselage both sides pulled free Long rear joiners long electrical plugs saved day lost control right flap intermittent right aileron slow descent uneventful landing disclosed extent damage right wing unplugged another l/ inch would have doing post-crash analysis probably would never have known what damage caused flying buddy moral story approach resident hawk caution give him wide berth Screaming behind high airspeed obviously way join up bird friends [These good words advice have heard some slope clubs actually losing sites due bird harassment Daryl] After altercation UFOs Unfriendly Flying Objects Unfriendly Fixed Objects Ernest goes tell repair methods Repair composite wings After losing argument tree effecting leading edge repair using cut damage out sand fit foam fit leading edge fit new skin sand some method figured must better way Using premise skin/leading edge composite wing mostly provide torsional read twist strength cause air molecules zip around via Bernoulli effect fitting foam leading edge skin damaged area exercise futility Falcon spar alone will support Gs can dish out skin just going along ride OK OK engineers out will say skin provides some amount bending strength agree much debatable wing doesnt bend flap/aileron cut outs intact areas wing 112 Model Aviation * OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC 1938 KLOUD KING 72 ~ELE$15995 SPECIFICATIONS Engine 25 40 2 cycle 40 48 4 cycle Rado 3 channel B&M MODEL CO 290 w 1051 N LAYTON UT 84041 PHONE 801544-5689 Send os Call Free flrechne ADD $695 SHIPPING/HANDUNG UT RES ADD 625% TAX * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $299 Cat No 202 Air Cleaner Fine $299 Replacement Inserts Cat No 104 PkI2 Inserts Coarse $239 Cat No 204 Pkl2 Inserts Fine $239 FITS MOST ENGINES 26and UP SEE YOUR LOCAL HOBBYDEALER IF UNAVAILABLE LOCALLY SEND TO Bru Line Industries Inc o Box37N Center Line Michigan 48015 Add $250 sI pp ng M ch gan residents add 4% sales tax Strength aside devised sanding drum method repair See photos Using split drum over standard drum cookie cutter drum make half round cut damaged area perfect fitting repair piece results first made soft balsa plywood using soft -inch outer medium-soft 1/s-inch inner glued together CyA plug disc cut will match removed halfround repair area no matter deep repair ground up 1800 circle use outer plywood grain span-wise inner plywood cord-wise leading edge strength disc held repair marked leading edge line airfoil sanded rough-in shape Epoxy place finish sand Its easy used wiped-on epoxy finish seal soft balsa give surface some rigidity finish entire wing automotive poof spray can lacquer clear finish bare obechi wings need coat paint repairs pretty sans lacquer finish epoxy-sealed foamlohechi sheeted wings survived lacquer solvents just fine thank kill decals reflect two tree encounters hawk future will try very hard have additions side fuselage especially hawk kind Trees seem bend little hawks fight back Thanks letter Ernestthats sound advice would throw layer three-ounce fiberglass cloth over repaired area Im sort known blowing up models As Byron effect changing guard will still including some letters have written him As major sailplane manufacturers starting sell obechi sheeted kits its nice receive letters tips dealing very temperamental wood tip Daves Wood Products out Leavenworth Washington Dear Byron just finished reading faithfully column August issue Model Aviation tip prefinishing obechi Diamond Finish Polyurethane good have advising customers follow same system difference recommend prefinishing entire sheet before cutting out skins 1 Sand both sides entire sheet 250-grit sandpaper palm-sized finish sander 2 Vacuum damp-towel both sides sheet Note Dont use tack rag contain something screws up water-based finishes 3 Apply thin coat Diamond Finish side pointed out wood will curl up like mad 4 After first side dry coat other side curl will pretty well flatten out 5 Inspect sheet determine side will exposed world give good side another quick sand cut out wing skins using rotary wheel pizza cutters know things fabric stores used cut clothask wife order get grain-matched left right wing skins cut two sheets time using pre-finishing technique wheel cutteragainst solid surfaceI can cut two sheets resorting masking tape Brian Agnew uses same cutterno prefinishingand cuts four sheets time remainder wood split-resistant just retape ends roll up put back its box Thanks tip Dave would like point out pizza cutters very sharp can hazardous healthnot mention what can bottom pizza box Handlaunch models seem gaining popularity States over world As small models relatively easy kit seems natural bombarded new manufacturers new designs nice finally have PRECISION MODEL PRODUCTS Made U S 1 BARSTOCK ALUMINUM SPINNERS Retail Pan No Size Price TT-1502-B 11/2 $1495 TT-1752-B 13/4 1595 TT-2002-B .2 1895 TT-2252-B 21/4 1995 TT-2262-B 2114 FAI . 2195 TT-2502-B 2-1/2 2195 TT-251 2-B 21/2FAI 2395 TT-2752-B 23/4 2695 TT-2762-B FAI 2895 TT-3002-B 3 3095 TT-301 2-B 3 FAI 3295 TT-3252-B 31/4 4195 TT-3502-B 31/2 5495 TT-3752-B 33/4 6495 TT-4002-B 4 7995 Approx Weight 058 ox 095 ox 100 oz 160 oz 150 ox 190 ox 170 ox 220 oz 200 oz 260 oz 250 oz 340 oz 470 oz 520 ox 570 oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Retail rox Pan No SizePrice ght TT-01 40-A 1/4-28$595061 oz TT-0147-A 1/4-28/7mm . 595061 oz TT-0610-A.6x1Omm .. 595063oz TT-0710-A.7x1Omm .. 595082 oz TT-051 6-A 5/16-24595076 xi TT-051 8-A 5/16-24/8mm595076 oz TT-0810-A.8x1Omm595076 OZ TT-0825-A 8 x 125mm . oz TT-0375-A 3/8-24695117 oz TT-0125-A 125mm . 695 115 ox 3 Pieces Nut Washer aird Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 April1994 113 BLEND different airfoils wing root tip BROWSE through dozens airfoils ON SCREENI* Import VIEW airfoils other plot programs Enjoy point-and-click file selection loading Plot left-hand right-hand airfoils both Graphically modify airfoil shapes ON SCREENI* Enter own data quickly easily or. Select hundreds airfoils available disk eqwes VGA graphics $5995 CA residents add sates tax Oversees orders US$85 Send Check Fuel Line Pullers Threads fuel tubes through bulkheads wasting tubing m Nil Li Price 2 units $495Product No FOR 146 Fuel Line Pullers constructed flexible plastic mesh cinches tubing holds tight being pulled hard plastic tips make threading tubing easy through compact fuselages work bench field Fuel Line Pullers make tank installation snap waste excess tubing frustration involved threading long pieces tubing through fuselage Fourmost Products Check local hobby shop other great model pivducts Fourmost SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER US SIG-imporled ROSSI engines come full 90 day 510 WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC.. Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 some choices very pure form soaring have some conversations Mark Weiland Aurora Colorado regarding new HL effort Aria HL Aria half good Mark says Ill take dozen go have tendency break things Mark writes Aria HL started out way take work artist twodimensional three-dimensional realm masters degree work dealt personal image created illusion flying moving space wanted Aria HL become kinetic sculpture means could move space could fly illusion have always wondered line drawn between piece fine art model sailplane project has satisfied question So during last year developed artistic ideas finalized building competitive handlaunch have flying RC sailpianes almost twenty years have found handlaunch glider fascinating form sport Dave Thomburgs article hand-launch Sunbird fueled interest during early 1980s created aileron handlaunch named Katydid conventional building techniques time however caused weigh 20 ounces too heavy Over past several years building business has allowed see number very good sailplanes methods building lightweight gliders mind started design Aria HL wanted glider could move upwind quickly slow down thermal turn dime amazing little details go finalization design Aria IlL has fulfilled design expectations T-tailed handlaunch has span 585 inches 60 inches projected 385 square inches wing foam covered obechi trailing edge using 29-ounce carbon fiber allow knife-edge finish Its fuselage laid up using epoxy resin fiberglass Kevlar carbon fiber weight ranging 17 19 ounces have molded finger rest also works wing hold-down mount visaBJrn/C ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 114 Model Aviation AWAY SERVOS WIRING OR METAL PUSH RODS AND FEET WILL ACCEPT ALL POPULAR RADIO ANTENNAS PACKAGE OF 6 ONLY 98 CENTS SEND SASE FOR NEW 1994 ILLUSTRATED ORDER FORM WILLIAMS BROS INC PAWNEE ST SAN MARCOS CA 92069 stab foam obechi covering using some carbon fiber reinforce mounting areas also removable storage repair rudder built-up covered MonoKote save weight servos battery pack fit tray fuselage held single 4-40 bolt servos have own pushrod ends soldered I/3 music wires attached control surfaces some seems complicated reward very reliable strong airframe have done outside inside loops high-speed passes rolls other maneuvers outside normal flight envelope handlaunch glider aircraft am flying weighs 14 ounces 600 mA pack lightest have built 135 heaviest 155 longest flight have bad 40 minutes long next summer hope try national Duration record sailplane have tried create very complete kit parts precut fabricated plans full-size cross-sections flaperon slope version shown fact buyer sailplane kit could buy hand-launch kit extra wing build sloper days wind isnt could handtossing instruction manual very complete drawings templates modifications larger receivers flaperons etc think very good value dollar have set price $9995 presheeted wing being $4995 extra am very pleased Aria anyone would like further information can contact Sailplane Works 3355 S Dunkirk Way Aurora Colorado 80013 Tel 303 699-0467 between 430 pm and 930 pm MST have yet see design up close personal sounds very promising Give Mark call anything want read about please let know Until next time. Green Air * 5000 different22000 3-view drawings color FOTOPAAKS including KOKU-FAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 EIBC-1Fits FUTABA S28/S 128 S38/S t38 or548/5t48 Servos set 4$2595 GRC2As above set 1$695 3Fits AIRTRONICS 94102 Servos set 4$2595 4As above set I$695 IanL-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS H5300 H5500 ACE330342 342HS TOWER TS-5 Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only california Residents Add 775% Sates Tax 800 845-8978 Orders OnlyVISA MASTERCARD Accepted i HP200 8O SPORT STUNT PLANE BYJI/4/G AfEG j THE CLEAN LINES OF THE HP 200 REPRESENT MANY CLASSIC DESIGN FEATURES THAT SET THIS BIG BIRD U THE REST THE EASE OF CONS TRUCTION AND AMAZING FLIGHT PERFORMANCE IS ATTRIBUTED TOE ITS DESIGNER HAL PARENT COMES IN SEMI-KIT FORM TO SAVE YOU MONEY PRICE OF SEMI-KIT $9995ENWNESGOTOOUADRA42 WEIGHT 14 TO LBS CONSTROCTION MANUAL U FOAM WING CORES U M309 FOAM TURTLE DECK s00/342WHEEL PANTS ACCEPTEOCRYSTAL CLEAR CANOPY ALUMINUM LANDING FEARE HEAVY PLYWOOD MAIN U M ES S FIRE WALL AND U U HORNSAND WINS BOLTS U BILL OF MATERIALS FOR ADDITIONAL WOOD REOLIIRED TO COMPLETE U THE AIRFRAME U SEND MAIL ORDERS TO WINS MPG 300 E SIMMONS GALESBURO IL 61401U ADD $795 SHIPPING AND HANDLING IN AS ACALL DR WRITE FOR SHIPPING CHARGES ON FOREIGN ORDERSU April1994 115 Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying Weight 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 Yoroa LInDa B
Edition: Model Aviation - 1994/04
Page Numbers: 73, 74, 112, 113, 114, 115
RADIO CONTROL SOARING ltiT~IT WOW MY FIRST ARTICLE national magazine What privilege What honor What should write about First should mention Byron Blakeslee Since started flying Byrons articles have part soaring experience learned fly following gentlemans written word devoured anything Byron wrote about finally got meet man behind pen slope race Washington couldnt believe what genuinely nice person figured since Byron national personality would sort stuck up something just nice guy Sorry Byron secret out know speak soaring enthusiasts across states say Thank Byron have given sport have instrumental proper steering hobby thank you would like write Byron show appreciation Im sure would love hear lot probably thinking Daryl Perkins am bothering read cant answer last question think fair tell little bit about myself since youre going reading ramblings month after month Lets see born log cabin middle Kentucky.whats Too far back OK Ill start interest soaring started day after born. Honestly have interested models ever since can remember father has full-scale license have flown him since just young buck didnt really appeal little boy liked toy airplanes used take some local power fields would start building trainer models building techniques taught stuck About nine years ago finally some free time completed first RC sailplane Sig Riser found local slope site decided sloping much fun waiking hi-start five minutes besides could get really high therefore go really fast liked part finaily tore fin off Riser vertical dive decided needed faster model went directly Bob Martin SR 7 took figure out aileron thing once did greatly enjoyed freedom high-energy aerobatics Since have drawn faster faster gliders getting involved slope racing demon referred F3B aiso fair amount thermal work real love speed put soaring ahead everything dont really know fly love freedom people friendly competition guess its just feeling enjoying purest form RC flying soaring As read articles remember am aeronautical engineer aerodynamicist just normal guy like truly loves sport As read can look out April 1994 73 Sailplane Works beautiful new Aria HL Span 58 inches kill decals Ernie Barters Falcon 880 mark aerial accidents 385 square inches area SD 6080 airfoil Details text dont kill decals usually denote victories Text describes easy repair method Ernie Barters Falcon wing after unpleasant encounter tree After fix Beautiful job Ernie wipe-on epoxy finish sealed soft balsa made surface rigid window see wind rain snow Well recently brave elements travel San Diego F3B Contest hosted Torrey Pines Gulls CDed good friend Steve Condon suffer through 750F-800F temperatures nothing sunshine might have gotten down 50s night looked coat once Boy can guys host contest Rooms prearranged Ramada Inn suites contestants ample supply field workers typically problem F3B Steve guaranteed would have fun also typically problem F3B list contestants read like Whos competitive F3B soaring entire US team Don Edberg Seth Dawson Steve Lewis Manny Tau just few wellknown fliers also three Sportsman fliers signed up try luck headto-head sport Scott Condon Jim Markle eventual Sportsman winner George Joy guys definitely considered Sportsman fliers other type soaring event Day contest started out some low-stress Duration immediately became high-stress Duration dead air conditions could launch cruise stopped circle dead Most top competitors recognized eked out times Distance took place too upsets first round Speed took serious toll some top fliers contest open taking due Larry Jollys line-break problems cuts Joe Wurts myself Rich Spicer eventful Speed flight hitting tree very narrow course can envision beautiful allred Synergy III broken tailboom.well get picture Speed flown back-to-back cuts once again Joe competitors left ponder far turn wasWas course regulation Randy Spencer gets should have bought lottery ticket award handed mother thermals launch after model went behind tree Spicer hit came out other side fastest time contest 178 day ended Duration slightly better conditions morning contestants maxed adjourned evening mass consumption beer pizza Once again would like point out fly much people flying itself else could people such varied backgrounds lifestyles have much fun decided dinner start much earlier next day much relief us travel after contest Day Two again started Duration about hour earlier day before didnt make seven minutes seem shorter 658 couldnt possibly have stretched 703 Most top fliers somehow squirmed through times exception 1977 World Champ Skip Miller Skip flying flawlessly contention top honors until flight could manage 608 100-point landing landing Skip still take about 100-point hit Distance Speed seemed turn endurance test Allen Development F3B Eagle quite bit abuse handed out Randy Spencer Larry Jolly Trying get last lap Distance can very hard models Randy proved model forcefully hit far-end sighting device Randy caught wingtip put Eagle flat spin rebuilding frenzy ensued rnshed get model back air Speed After temporary fix Randy said boy just cant kill things Larry Jolly proceeded prove Randys point dragging tip across finish line Speed Larrys model hit hard thought dust after checking servos linkage spar thing Continued page 112 74 Model Aviation IALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTh AVAIl ARE F ENfliViflhlAl IV UOMILI IIION ACUESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES S & 7 LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Soaring/Perkins Continued page 74 damaged Larrys ego After dust settled Randy wonhe deserved flew consistenfly conservativelyvery important long contest Expert Results 1 Randy Spencer 2 Steve Lewis 3 Seth Dawson 11632 points 11451 points 11413 points Sportsman Results 1 George Joy 2 Jim Markie 3 Scott Condon Thanks Torrey Pines Gulls hosting contest good time uninitiated often ask birds ever bother model Well letter Ernest F Barter Saratoga California regarding some escapades local bird prey Hawk Encounter past local hawks have friendly sorts have shared air space until about month ago tried share lift guy wasnt having part circling about 300 400 feet noticed hawk some distance away seemed better lift know flew over area approaching behind going much faster wanting overtake Mr Hawk did 360 lose airspeed Making second approach again behind much slower thought could join up fly wingtip Share little lift would Wrong As came alongside Mr Hawk did very unfriendly act couldnt tell got beak talons too high see happened instant took good-sized chunk out right wing Mr Hawk continued circle Falcon turned 900 impact obviously trouble responding normally control inputs damaged wing hit hard both wings partially unplugged use electrical tape join wings fuselage both sides pulled free Long rear joiners long electrical plugs saved day lost control right flap intermittent right aileron slow descent uneventful landing disclosed extent damage right wing unplugged another l/ inch would have doing post-crash analysis probably would never have known what damage caused flying buddy moral story approach resident hawk caution give him wide berth Screaming behind high airspeed obviously way join up bird friends [These good words advice have heard some slope clubs actually losing sites due bird harassment Daryl] After altercation UFOs Unfriendly Flying Objects Unfriendly Fixed Objects Ernest goes tell repair methods Repair composite wings After losing argument tree effecting leading edge repair using cut damage out sand fit foam fit leading edge fit new skin sand some method figured must better way Using premise skin/leading edge composite wing mostly provide torsional read twist strength cause air molecules zip around via Bernoulli effect fitting foam leading edge skin damaged area exercise futility Falcon spar alone will support Gs can dish out skin just going along ride OK OK engineers out will say skin provides some amount bending strength agree much debatable wing doesnt bend flap/aileron cut outs intact areas wing 112 Model Aviation * OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC 1938 KLOUD KING 72 ~ELE$15995 SPECIFICATIONS Engine 25 40 2 cycle 40 48 4 cycle Rado 3 channel B&M MODEL CO 290 w 1051 N LAYTON UT 84041 PHONE 801544-5689 Send os Call Free flrechne ADD $695 SHIPPING/HANDUNG UT RES ADD 625% TAX * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $299 Cat No 202 Air Cleaner Fine $299 Replacement Inserts Cat No 104 PkI2 Inserts Coarse $239 Cat No 204 Pkl2 Inserts Fine $239 FITS MOST ENGINES 26and UP SEE YOUR LOCAL HOBBYDEALER IF UNAVAILABLE LOCALLY SEND TO Bru Line Industries Inc o Box37N Center Line Michigan 48015 Add $250 sI pp ng M ch gan residents add 4% sales tax Strength aside devised sanding drum method repair See photos Using split drum over standard drum cookie cutter drum make half round cut damaged area perfect fitting repair piece results first made soft balsa plywood using soft -inch outer medium-soft 1/s-inch inner glued together CyA plug disc cut will match removed halfround repair area no matter deep repair ground up 1800 circle use outer plywood grain span-wise inner plywood cord-wise leading edge strength disc held repair marked leading edge line airfoil sanded rough-in shape Epoxy place finish sand Its easy used wiped-on epoxy finish seal soft balsa give surface some rigidity finish entire wing automotive poof spray can lacquer clear finish bare obechi wings need coat paint repairs pretty sans lacquer finish epoxy-sealed foamlohechi sheeted wings survived lacquer solvents just fine thank kill decals reflect two tree encounters hawk future will try very hard have additions side fuselage especially hawk kind Trees seem bend little hawks fight back Thanks letter Ernestthats sound advice would throw layer three-ounce fiberglass cloth over repaired area Im sort known blowing up models As Byron effect changing guard will still including some letters have written him As major sailplane manufacturers starting sell obechi sheeted kits its nice receive letters tips dealing very temperamental wood tip Daves Wood Products out Leavenworth Washington Dear Byron just finished reading faithfully column August issue Model Aviation tip prefinishing obechi Diamond Finish Polyurethane good have advising customers follow same system difference recommend prefinishing entire sheet before cutting out skins 1 Sand both sides entire sheet 250-grit sandpaper palm-sized finish sander 2 Vacuum damp-towel both sides sheet Note Dont use tack rag contain something screws up water-based finishes 3 Apply thin coat Diamond Finish side pointed out wood will curl up like mad 4 After first side dry coat other side curl will pretty well flatten out 5 Inspect sheet determine side will exposed world give good side another quick sand cut out wing skins using rotary wheel pizza cutters know things fabric stores used cut clothask wife order get grain-matched left right wing skins cut two sheets time using pre-finishing technique wheel cutteragainst solid surfaceI can cut two sheets resorting masking tape Brian Agnew uses same cutterno prefinishingand cuts four sheets time remainder wood split-resistant just retape ends roll up put back its box Thanks tip Dave would like point out pizza cutters very sharp can hazardous healthnot mention what can bottom pizza box Handlaunch models seem gaining popularity States over world As small models relatively easy kit seems natural bombarded new manufacturers new designs nice finally have PRECISION MODEL PRODUCTS Made U S 1 BARSTOCK ALUMINUM SPINNERS Retail Pan No Size Price TT-1502-B 11/2 $1495 TT-1752-B 13/4 1595 TT-2002-B .2 1895 TT-2252-B 21/4 1995 TT-2262-B 2114 FAI . 2195 TT-2502-B 2-1/2 2195 TT-251 2-B 21/2FAI 2395 TT-2752-B 23/4 2695 TT-2762-B FAI 2895 TT-3002-B 3 3095 TT-301 2-B 3 FAI 3295 TT-3252-B 31/4 4195 TT-3502-B 31/2 5495 TT-3752-B 33/4 6495 TT-4002-B 4 7995 Approx Weight 058 ox 095 ox 100 oz 160 oz 150 ox 190 ox 170 ox 220 oz 200 oz 260 oz 250 oz 340 oz 470 oz 520 ox 570 oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Retail rox Pan No SizePrice ght TT-01 40-A 1/4-28$595061 oz TT-0147-A 1/4-28/7mm . 595061 oz TT-0610-A.6x1Omm .. 595063oz TT-0710-A.7x1Omm .. 595082 oz TT-051 6-A 5/16-24595076 xi TT-051 8-A 5/16-24/8mm595076 oz TT-0810-A.8x1Omm595076 OZ TT-0825-A 8 x 125mm . oz TT-0375-A 3/8-24695117 oz TT-0125-A 125mm . 695 115 ox 3 Pieces Nut Washer aird Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 April1994 113 BLEND different airfoils wing root tip BROWSE through dozens airfoils ON SCREENI* Import VIEW airfoils other plot programs Enjoy point-and-click file selection loading Plot left-hand right-hand airfoils both Graphically modify airfoil shapes ON SCREENI* Enter own data quickly easily or. Select hundreds airfoils available disk eqwes VGA graphics $5995 CA residents add sates tax Oversees orders US$85 Send Check Fuel Line Pullers Threads fuel tubes through bulkheads wasting tubing m Nil Li Price 2 units $495Product No FOR 146 Fuel Line Pullers constructed flexible plastic mesh cinches tubing holds tight being pulled hard plastic tips make threading tubing easy through compact fuselages work bench field Fuel Line Pullers make tank installation snap waste excess tubing frustration involved threading long pieces tubing through fuselage Fourmost Products Check local hobby shop other great model pivducts Fourmost SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER US SIG-imporled ROSSI engines come full 90 day 510 WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC.. Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 some choices very pure form soaring have some conversations Mark Weiland Aurora Colorado regarding new HL effort Aria HL Aria half good Mark says Ill take dozen go have tendency break things Mark writes Aria HL started out way take work artist twodimensional three-dimensional realm masters degree work dealt personal image created illusion flying moving space wanted Aria HL become kinetic sculpture means could move space could fly illusion have always wondered line drawn between piece fine art model sailplane project has satisfied question So during last year developed artistic ideas finalized building competitive handlaunch have flying RC sailpianes almost twenty years have found handlaunch glider fascinating form sport Dave Thomburgs article hand-launch Sunbird fueled interest during early 1980s created aileron handlaunch named Katydid conventional building techniques time however caused weigh 20 ounces too heavy Over past several years building business has allowed see number very good sailplanes methods building lightweight gliders mind started design Aria HL wanted glider could move upwind quickly slow down thermal turn dime amazing little details go finalization design Aria IlL has fulfilled design expectations T-tailed handlaunch has span 585 inches 60 inches projected 385 square inches wing foam covered obechi trailing edge using 29-ounce carbon fiber allow knife-edge finish Its fuselage laid up using epoxy resin fiberglass Kevlar carbon fiber weight ranging 17 19 ounces have molded finger rest also works wing hold-down mount visaBJrn/C ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 114 Model Aviation AWAY SERVOS WIRING OR METAL PUSH RODS AND FEET WILL ACCEPT ALL POPULAR RADIO ANTENNAS PACKAGE OF 6 ONLY 98 CENTS SEND SASE FOR NEW 1994 ILLUSTRATED ORDER FORM WILLIAMS BROS INC PAWNEE ST SAN MARCOS CA 92069 stab foam obechi covering using some carbon fiber reinforce mounting areas also removable storage repair rudder built-up covered MonoKote save weight servos battery pack fit tray fuselage held single 4-40 bolt servos have own pushrod ends soldered I/3 music wires attached control surfaces some seems complicated reward very reliable strong airframe have done outside inside loops high-speed passes rolls other maneuvers outside normal flight envelope handlaunch glider aircraft am flying weighs 14 ounces 600 mA pack lightest have built 135 heaviest 155 longest flight have bad 40 minutes long next summer hope try national Duration record sailplane have tried create very complete kit parts precut fabricated plans full-size cross-sections flaperon slope version shown fact buyer sailplane kit could buy hand-launch kit extra wing build sloper days wind isnt could handtossing instruction manual very complete drawings templates modifications larger receivers flaperons etc think very good value dollar have set price $9995 presheeted wing being $4995 extra am very pleased Aria anyone would like further information can contact Sailplane Works 3355 S Dunkirk Way Aurora Colorado 80013 Tel 303 699-0467 between 430 pm and 930 pm MST have yet see design up close personal sounds very promising Give Mark call anything want read about please let know Until next time. Green Air * 5000 different22000 3-view drawings color FOTOPAAKS including KOKU-FAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 EIBC-1Fits FUTABA S28/S 128 S38/S t38 or548/5t48 Servos set 4$2595 GRC2As above set 1$695 3Fits AIRTRONICS 94102 Servos set 4$2595 4As above set I$695 IanL-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS H5300 H5500 ACE330342 342HS TOWER TS-5 Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only california Residents Add 775% Sates Tax 800 845-8978 Orders OnlyVISA MASTERCARD Accepted i HP200 8O SPORT STUNT PLANE BYJI/4/G AfEG j THE CLEAN LINES OF THE HP 200 REPRESENT MANY CLASSIC DESIGN FEATURES THAT SET THIS BIG BIRD U THE REST THE EASE OF CONS TRUCTION AND AMAZING FLIGHT PERFORMANCE IS ATTRIBUTED TOE ITS DESIGNER HAL PARENT COMES IN SEMI-KIT FORM TO SAVE YOU MONEY PRICE OF SEMI-KIT $9995ENWNESGOTOOUADRA42 WEIGHT 14 TO LBS CONSTROCTION MANUAL U FOAM WING CORES U M309 FOAM TURTLE DECK s00/342WHEEL PANTS ACCEPTEOCRYSTAL CLEAR CANOPY ALUMINUM LANDING FEARE HEAVY PLYWOOD MAIN U M ES S FIRE WALL AND U U HORNSAND WINS BOLTS U BILL OF MATERIALS FOR ADDITIONAL WOOD REOLIIRED TO COMPLETE U THE AIRFRAME U SEND MAIL ORDERS TO WINS MPG 300 E SIMMONS GALESBURO IL 61401U ADD $795 SHIPPING AND HANDLING IN AS ACALL DR WRITE FOR SHIPPING CHARGES ON FOREIGN ORDERSU April1994 115 Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying Weight 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 Yoroa LInDa B
Edition: Model Aviation - 1994/04
Page Numbers: 73, 74, 112, 113, 114, 115
RADIO CONTROL SOARING ltiT~IT WOW MY FIRST ARTICLE national magazine What privilege What honor What should write about First should mention Byron Blakeslee Since started flying Byrons articles have part soaring experience learned fly following gentlemans written word devoured anything Byron wrote about finally got meet man behind pen slope race Washington couldnt believe what genuinely nice person figured since Byron national personality would sort stuck up something just nice guy Sorry Byron secret out know speak soaring enthusiasts across states say Thank Byron have given sport have instrumental proper steering hobby thank you would like write Byron show appreciation Im sure would love hear lot probably thinking Daryl Perkins am bothering read cant answer last question think fair tell little bit about myself since youre going reading ramblings month after month Lets see born log cabin middle Kentucky.whats Too far back OK Ill start interest soaring started day after born. Honestly have interested models ever since can remember father has full-scale license have flown him since just young buck didnt really appeal little boy liked toy airplanes used take some local power fields would start building trainer models building techniques taught stuck About nine years ago finally some free time completed first RC sailplane Sig Riser found local slope site decided sloping much fun waiking hi-start five minutes besides could get really high therefore go really fast liked part finaily tore fin off Riser vertical dive decided needed faster model went directly Bob Martin SR 7 took figure out aileron thing once did greatly enjoyed freedom high-energy aerobatics Since have drawn faster faster gliders getting involved slope racing demon referred F3B aiso fair amount thermal work real love speed put soaring ahead everything dont really know fly love freedom people friendly competition guess its just feeling enjoying purest form RC flying soaring As read articles remember am aeronautical engineer aerodynamicist just normal guy like truly loves sport As read can look out April 1994 73 Sailplane Works beautiful new Aria HL Span 58 inches kill decals Ernie Barters Falcon 880 mark aerial accidents 385 square inches area SD 6080 airfoil Details text dont kill decals usually denote victories Text describes easy repair method Ernie Barters Falcon wing after unpleasant encounter tree After fix Beautiful job Ernie wipe-on epoxy finish sealed soft balsa made surface rigid window see wind rain snow Well recently brave elements travel San Diego F3B Contest hosted Torrey Pines Gulls CDed good friend Steve Condon suffer through 750F-800F temperatures nothing sunshine might have gotten down 50s night looked coat once Boy can guys host contest Rooms prearranged Ramada Inn suites contestants ample supply field workers typically problem F3B Steve guaranteed would have fun also typically problem F3B list contestants read like Whos competitive F3B soaring entire US team Don Edberg Seth Dawson Steve Lewis Manny Tau just few wellknown fliers also three Sportsman fliers signed up try luck headto-head sport Scott Condon Jim Markle eventual Sportsman winner George Joy guys definitely considered Sportsman fliers other type soaring event Day contest started out some low-stress Duration immediately became high-stress Duration dead air conditions could launch cruise stopped circle dead Most top competitors recognized eked out times Distance took place too upsets first round Speed took serious toll some top fliers contest open taking due Larry Jollys line-break problems cuts Joe Wurts myself Rich Spicer eventful Speed flight hitting tree very narrow course can envision beautiful allred Synergy III broken tailboom.well get picture Speed flown back-to-back cuts once again Joe competitors left ponder far turn wasWas course regulation Randy Spencer gets should have bought lottery ticket award handed mother thermals launch after model went behind tree Spicer hit came out other side fastest time contest 178 day ended Duration slightly better conditions morning contestants maxed adjourned evening mass consumption beer pizza Once again would like point out fly much people flying itself else could people such varied backgrounds lifestyles have much fun decided dinner start much earlier next day much relief us travel after contest Day Two again started Duration about hour earlier day before didnt make seven minutes seem shorter 658 couldnt possibly have stretched 703 Most top fliers somehow squirmed through times exception 1977 World Champ Skip Miller Skip flying flawlessly contention top honors until flight could manage 608 100-point landing landing Skip still take about 100-point hit Distance Speed seemed turn endurance test Allen Development F3B Eagle quite bit abuse handed out Randy Spencer Larry Jolly Trying get last lap Distance can very hard models Randy proved model forcefully hit far-end sighting device Randy caught wingtip put Eagle flat spin rebuilding frenzy ensued rnshed get model back air Speed After temporary fix Randy said boy just cant kill things Larry Jolly proceeded prove Randys point dragging tip across finish line Speed Larrys model hit hard thought dust after checking servos linkage spar thing Continued page 112 74 Model Aviation IALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTh AVAIl ARE F ENfliViflhlAl IV UOMILI IIION ACUESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES S & 7 LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Soaring/Perkins Continued page 74 damaged Larrys ego After dust settled Randy wonhe deserved flew consistenfly conservativelyvery important long contest Expert Results 1 Randy Spencer 2 Steve Lewis 3 Seth Dawson 11632 points 11451 points 11413 points Sportsman Results 1 George Joy 2 Jim Markie 3 Scott Condon Thanks Torrey Pines Gulls hosting contest good time uninitiated often ask birds ever bother model Well letter Ernest F Barter Saratoga California regarding some escapades local bird prey Hawk Encounter past local hawks have friendly sorts have shared air space until about month ago tried share lift guy wasnt having part circling about 300 400 feet noticed hawk some distance away seemed better lift know flew over area approaching behind going much faster wanting overtake Mr Hawk did 360 lose airspeed Making second approach again behind much slower thought could join up fly wingtip Share little lift would Wrong As came alongside Mr Hawk did very unfriendly act couldnt tell got beak talons too high see happened instant took good-sized chunk out right wing Mr Hawk continued circle Falcon turned 900 impact obviously trouble responding normally control inputs damaged wing hit hard both wings partially unplugged use electrical tape join wings fuselage both sides pulled free Long rear joiners long electrical plugs saved day lost control right flap intermittent right aileron slow descent uneventful landing disclosed extent damage right wing unplugged another l/ inch would have doing post-crash analysis probably would never have known what damage caused flying buddy moral story approach resident hawk caution give him wide berth Screaming behind high airspeed obviously way join up bird friends [These good words advice have heard some slope clubs actually losing sites due bird harassment Daryl] After altercation UFOs Unfriendly Flying Objects Unfriendly Fixed Objects Ernest goes tell repair methods Repair composite wings After losing argument tree effecting leading edge repair using cut damage out sand fit foam fit leading edge fit new skin sand some method figured must better way Using premise skin/leading edge composite wing mostly provide torsional read twist strength cause air molecules zip around via Bernoulli effect fitting foam leading edge skin damaged area exercise futility Falcon spar alone will support Gs can dish out skin just going along ride OK OK engineers out will say skin provides some amount bending strength agree much debatable wing doesnt bend flap/aileron cut outs intact areas wing 112 Model Aviation * OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC 1938 KLOUD KING 72 ~ELE$15995 SPECIFICATIONS Engine 25 40 2 cycle 40 48 4 cycle Rado 3 channel B&M MODEL CO 290 w 1051 N LAYTON UT 84041 PHONE 801544-5689 Send os Call Free flrechne ADD $695 SHIPPING/HANDUNG UT RES ADD 625% TAX * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $299 Cat No 202 Air Cleaner Fine $299 Replacement Inserts Cat No 104 PkI2 Inserts Coarse $239 Cat No 204 Pkl2 Inserts Fine $239 FITS MOST ENGINES 26and UP SEE YOUR LOCAL HOBBYDEALER IF UNAVAILABLE LOCALLY SEND TO Bru Line Industries Inc o Box37N Center Line Michigan 48015 Add $250 sI pp ng M ch gan residents add 4% sales tax Strength aside devised sanding drum method repair See photos Using split drum over standard drum cookie cutter drum make half round cut damaged area perfect fitting repair piece results first made soft balsa plywood using soft -inch outer medium-soft 1/s-inch inner glued together CyA plug disc cut will match removed halfround repair area no matter deep repair ground up 1800 circle use outer plywood grain span-wise inner plywood cord-wise leading edge strength disc held repair marked leading edge line airfoil sanded rough-in shape Epoxy place finish sand Its easy used wiped-on epoxy finish seal soft balsa give surface some rigidity finish entire wing automotive poof spray can lacquer clear finish bare obechi wings need coat paint repairs pretty sans lacquer finish epoxy-sealed foamlohechi sheeted wings survived lacquer solvents just fine thank kill decals reflect two tree encounters hawk future will try very hard have additions side fuselage especially hawk kind Trees seem bend little hawks fight back Thanks letter Ernestthats sound advice would throw layer three-ounce fiberglass cloth over repaired area Im sort known blowing up models As Byron effect changing guard will still including some letters have written him As major sailplane manufacturers starting sell obechi sheeted kits its nice receive letters tips dealing very temperamental wood tip Daves Wood Products out Leavenworth Washington Dear Byron just finished reading faithfully column August issue Model Aviation tip prefinishing obechi Diamond Finish Polyurethane good have advising customers follow same system difference recommend prefinishing entire sheet before cutting out skins 1 Sand both sides entire sheet 250-grit sandpaper palm-sized finish sander 2 Vacuum damp-towel both sides sheet Note Dont use tack rag contain something screws up water-based finishes 3 Apply thin coat Diamond Finish side pointed out wood will curl up like mad 4 After first side dry coat other side curl will pretty well flatten out 5 Inspect sheet determine side will exposed world give good side another quick sand cut out wing skins using rotary wheel pizza cutters know things fabric stores used cut clothask wife order get grain-matched left right wing skins cut two sheets time using pre-finishing technique wheel cutteragainst solid surfaceI can cut two sheets resorting masking tape Brian Agnew uses same cutterno prefinishingand cuts four sheets time remainder wood split-resistant just retape ends roll up put back its box Thanks tip Dave would like point out pizza cutters very sharp can hazardous healthnot mention what can bottom pizza box Handlaunch models seem gaining popularity States over world As small models relatively easy kit seems natural bombarded new manufacturers new designs nice finally have PRECISION MODEL PRODUCTS Made U S 1 BARSTOCK ALUMINUM SPINNERS Retail Pan No Size Price TT-1502-B 11/2 $1495 TT-1752-B 13/4 1595 TT-2002-B .2 1895 TT-2252-B 21/4 1995 TT-2262-B 2114 FAI . 2195 TT-2502-B 2-1/2 2195 TT-251 2-B 21/2FAI 2395 TT-2752-B 23/4 2695 TT-2762-B FAI 2895 TT-3002-B 3 3095 TT-301 2-B 3 FAI 3295 TT-3252-B 31/4 4195 TT-3502-B 31/2 5495 TT-3752-B 33/4 6495 TT-4002-B 4 7995 Approx Weight 058 ox 095 ox 100 oz 160 oz 150 ox 190 ox 170 ox 220 oz 200 oz 260 oz 250 oz 340 oz 470 oz 520 ox 570 oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Retail rox Pan No SizePrice ght TT-01 40-A 1/4-28$595061 oz TT-0147-A 1/4-28/7mm . 595061 oz TT-0610-A.6x1Omm .. 595063oz TT-0710-A.7x1Omm .. 595082 oz TT-051 6-A 5/16-24595076 xi TT-051 8-A 5/16-24/8mm595076 oz TT-0810-A.8x1Omm595076 OZ TT-0825-A 8 x 125mm . oz TT-0375-A 3/8-24695117 oz TT-0125-A 125mm . 695 115 ox 3 Pieces Nut Washer aird Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 April1994 113 BLEND different airfoils wing root tip BROWSE through dozens airfoils ON SCREENI* Import VIEW airfoils other plot programs Enjoy point-and-click file selection loading Plot left-hand right-hand airfoils both Graphically modify airfoil shapes ON SCREENI* Enter own data quickly easily or. Select hundreds airfoils available disk eqwes VGA graphics $5995 CA residents add sates tax Oversees orders US$85 Send Check Fuel Line Pullers Threads fuel tubes through bulkheads wasting tubing m Nil Li Price 2 units $495Product No FOR 146 Fuel Line Pullers constructed flexible plastic mesh cinches tubing holds tight being pulled hard plastic tips make threading tubing easy through compact fuselages work bench field Fuel Line Pullers make tank installation snap waste excess tubing frustration involved threading long pieces tubing through fuselage Fourmost Products Check local hobby shop other great model pivducts Fourmost SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER US SIG-imporled ROSSI engines come full 90 day 510 WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC.. Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 some choices very pure form soaring have some conversations Mark Weiland Aurora Colorado regarding new HL effort Aria HL Aria half good Mark says Ill take dozen go have tendency break things Mark writes Aria HL started out way take work artist twodimensional three-dimensional realm masters degree work dealt personal image created illusion flying moving space wanted Aria HL become kinetic sculpture means could move space could fly illusion have always wondered line drawn between piece fine art model sailplane project has satisfied question So during last year developed artistic ideas finalized building competitive handlaunch have flying RC sailpianes almost twenty years have found handlaunch glider fascinating form sport Dave Thomburgs article hand-launch Sunbird fueled interest during early 1980s created aileron handlaunch named Katydid conventional building techniques time however caused weigh 20 ounces too heavy Over past several years building business has allowed see number very good sailplanes methods building lightweight gliders mind started design Aria HL wanted glider could move upwind quickly slow down thermal turn dime amazing little details go finalization design Aria IlL has fulfilled design expectations T-tailed handlaunch has span 585 inches 60 inches projected 385 square inches wing foam covered obechi trailing edge using 29-ounce carbon fiber allow knife-edge finish Its fuselage laid up using epoxy resin fiberglass Kevlar carbon fiber weight ranging 17 19 ounces have molded finger rest also works wing hold-down mount visaBJrn/C ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 114 Model Aviation AWAY SERVOS WIRING OR METAL PUSH RODS AND FEET WILL ACCEPT ALL POPULAR RADIO ANTENNAS PACKAGE OF 6 ONLY 98 CENTS SEND SASE FOR NEW 1994 ILLUSTRATED ORDER FORM WILLIAMS BROS INC PAWNEE ST SAN MARCOS CA 92069 stab foam obechi covering using some carbon fiber reinforce mounting areas also removable storage repair rudder built-up covered MonoKote save weight servos battery pack fit tray fuselage held single 4-40 bolt servos have own pushrod ends soldered I/3 music wires attached control surfaces some seems complicated reward very reliable strong airframe have done outside inside loops high-speed passes rolls other maneuvers outside normal flight envelope handlaunch glider aircraft am flying weighs 14 ounces 600 mA pack lightest have built 135 heaviest 155 longest flight have bad 40 minutes long next summer hope try national Duration record sailplane have tried create very complete kit parts precut fabricated plans full-size cross-sections flaperon slope version shown fact buyer sailplane kit could buy hand-launch kit extra wing build sloper days wind isnt could handtossing instruction manual very complete drawings templates modifications larger receivers flaperons etc think very good value dollar have set price $9995 presheeted wing being $4995 extra am very pleased Aria anyone would like further information can contact Sailplane Works 3355 S Dunkirk Way Aurora Colorado 80013 Tel 303 699-0467 between 430 pm and 930 pm MST have yet see design up close personal sounds very promising Give Mark call anything want read about please let know Until next time. Green Air * 5000 different22000 3-view drawings color FOTOPAAKS including KOKU-FAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 EIBC-1Fits FUTABA S28/S 128 S38/S t38 or548/5t48 Servos set 4$2595 GRC2As above set 1$695 3Fits AIRTRONICS 94102 Servos set 4$2595 4As above set I$695 IanL-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS H5300 H5500 ACE330342 342HS TOWER TS-5 Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only california Residents Add 775% Sates Tax 800 845-8978 Orders OnlyVISA MASTERCARD Accepted i HP200 8O SPORT STUNT PLANE BYJI/4/G AfEG j THE CLEAN LINES OF THE HP 200 REPRESENT MANY CLASSIC DESIGN FEATURES THAT SET THIS BIG BIRD U THE REST THE EASE OF CONS TRUCTION AND AMAZING FLIGHT PERFORMANCE IS ATTRIBUTED TOE ITS DESIGNER HAL PARENT COMES IN SEMI-KIT FORM TO SAVE YOU MONEY PRICE OF SEMI-KIT $9995ENWNESGOTOOUADRA42 WEIGHT 14 TO LBS CONSTROCTION MANUAL U FOAM WING CORES U M309 FOAM TURTLE DECK s00/342WHEEL PANTS ACCEPTEOCRYSTAL CLEAR CANOPY ALUMINUM LANDING FEARE HEAVY PLYWOOD MAIN U M ES S FIRE WALL AND U U HORNSAND WINS BOLTS U BILL OF MATERIALS FOR ADDITIONAL WOOD REOLIIRED TO COMPLETE U THE AIRFRAME U SEND MAIL ORDERS TO WINS MPG 300 E SIMMONS GALESBURO IL 61401U ADD $795 SHIPPING AND HANDLING IN AS ACALL DR WRITE FOR SHIPPING CHARGES ON FOREIGN ORDERSU April1994 115 Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying Weight 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 Yoroa LInDa B
Edition: Model Aviation - 1994/04
Page Numbers: 73, 74, 112, 113, 114, 115
RADIO CONTROL SOARING ltiT~IT WOW MY FIRST ARTICLE national magazine What privilege What honor What should write about First should mention Byron Blakeslee Since started flying Byrons articles have part soaring experience learned fly following gentlemans written word devoured anything Byron wrote about finally got meet man behind pen slope race Washington couldnt believe what genuinely nice person figured since Byron national personality would sort stuck up something just nice guy Sorry Byron secret out know speak soaring enthusiasts across states say Thank Byron have given sport have instrumental proper steering hobby thank you would like write Byron show appreciation Im sure would love hear lot probably thinking Daryl Perkins am bothering read cant answer last question think fair tell little bit about myself since youre going reading ramblings month after month Lets see born log cabin middle Kentucky.whats Too far back OK Ill start interest soaring started day after born. Honestly have interested models ever since can remember father has full-scale license have flown him since just young buck didnt really appeal little boy liked toy airplanes used take some local power fields would start building trainer models building techniques taught stuck About nine years ago finally some free time completed first RC sailplane Sig Riser found local slope site decided sloping much fun waiking hi-start five minutes besides could get really high therefore go really fast liked part finaily tore fin off Riser vertical dive decided needed faster model went directly Bob Martin SR 7 took figure out aileron thing once did greatly enjoyed freedom high-energy aerobatics Since have drawn faster faster gliders getting involved slope racing demon referred F3B aiso fair amount thermal work real love speed put soaring ahead everything dont really know fly love freedom people friendly competition guess its just feeling enjoying purest form RC flying soaring As read articles remember am aeronautical engineer aerodynamicist just normal guy like truly loves sport As read can look out April 1994 73 Sailplane Works beautiful new Aria HL Span 58 inches kill decals Ernie Barters Falcon 880 mark aerial accidents 385 square inches area SD 6080 airfoil Details text dont kill decals usually denote victories Text describes easy repair method Ernie Barters Falcon wing after unpleasant encounter tree After fix Beautiful job Ernie wipe-on epoxy finish sealed soft balsa made surface rigid window see wind rain snow Well recently brave elements travel San Diego F3B Contest hosted Torrey Pines Gulls CDed good friend Steve Condon suffer through 750F-800F temperatures nothing sunshine might have gotten down 50s night looked coat once Boy can guys host contest Rooms prearranged Ramada Inn suites contestants ample supply field workers typically problem F3B Steve guaranteed would have fun also typically problem F3B list contestants read like Whos competitive F3B soaring entire US team Don Edberg Seth Dawson Steve Lewis Manny Tau just few wellknown fliers also three Sportsman fliers signed up try luck headto-head sport Scott Condon Jim Markle eventual Sportsman winner George Joy guys definitely considered Sportsman fliers other type soaring event Day contest started out some low-stress Duration immediately became high-stress Duration dead air conditions could launch cruise stopped circle dead Most top competitors recognized eked out times Distance took place too upsets first round Speed took serious toll some top fliers contest open taking due Larry Jollys line-break problems cuts Joe Wurts myself Rich Spicer eventful Speed flight hitting tree very narrow course can envision beautiful allred Synergy III broken tailboom.well get picture Speed flown back-to-back cuts once again Joe competitors left ponder far turn wasWas course regulation Randy Spencer gets should have bought lottery ticket award handed mother thermals launch after model went behind tree Spicer hit came out other side fastest time contest 178 day ended Duration slightly better conditions morning contestants maxed adjourned evening mass consumption beer pizza Once again would like point out fly much people flying itself else could people such varied backgrounds lifestyles have much fun decided dinner start much earlier next day much relief us travel after contest Day Two again started Duration about hour earlier day before didnt make seven minutes seem shorter 658 couldnt possibly have stretched 703 Most top fliers somehow squirmed through times exception 1977 World Champ Skip Miller Skip flying flawlessly contention top honors until flight could manage 608 100-point landing landing Skip still take about 100-point hit Distance Speed seemed turn endurance test Allen Development F3B Eagle quite bit abuse handed out Randy Spencer Larry Jolly Trying get last lap Distance can very hard models Randy proved model forcefully hit far-end sighting device Randy caught wingtip put Eagle flat spin rebuilding frenzy ensued rnshed get model back air Speed After temporary fix Randy said boy just cant kill things Larry Jolly proceeded prove Randys point dragging tip across finish line Speed Larrys model hit hard thought dust after checking servos linkage spar thing Continued page 112 74 Model Aviation IALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTh AVAIl ARE F ENfliViflhlAl IV UOMILI IIION ACUESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES S & 7 LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Soaring/Perkins Continued page 74 damaged Larrys ego After dust settled Randy wonhe deserved flew consistenfly conservativelyvery important long contest Expert Results 1 Randy Spencer 2 Steve Lewis 3 Seth Dawson 11632 points 11451 points 11413 points Sportsman Results 1 George Joy 2 Jim Markie 3 Scott Condon Thanks Torrey Pines Gulls hosting contest good time uninitiated often ask birds ever bother model Well letter Ernest F Barter Saratoga California regarding some escapades local bird prey Hawk Encounter past local hawks have friendly sorts have shared air space until about month ago tried share lift guy wasnt having part circling about 300 400 feet noticed hawk some distance away seemed better lift know flew over area approaching behind going much faster wanting overtake Mr Hawk did 360 lose airspeed Making second approach again behind much slower thought could join up fly wingtip Share little lift would Wrong As came alongside Mr Hawk did very unfriendly act couldnt tell got beak talons too high see happened instant took good-sized chunk out right wing Mr Hawk continued circle Falcon turned 900 impact obviously trouble responding normally control inputs damaged wing hit hard both wings partially unplugged use electrical tape join wings fuselage both sides pulled free Long rear joiners long electrical plugs saved day lost control right flap intermittent right aileron slow descent uneventful landing disclosed extent damage right wing unplugged another l/ inch would have doing post-crash analysis probably would never have known what damage caused flying buddy moral story approach resident hawk caution give him wide berth Screaming behind high airspeed obviously way join up bird friends [These good words advice have heard some slope clubs actually losing sites due bird harassment Daryl] After altercation UFOs Unfriendly Flying Objects Unfriendly Fixed Objects Ernest goes tell repair methods Repair composite wings After losing argument tree effecting leading edge repair using cut damage out sand fit foam fit leading edge fit new skin sand some method figured must better way Using premise skin/leading edge composite wing mostly provide torsional read twist strength cause air molecules zip around via Bernoulli effect fitting foam leading edge skin damaged area exercise futility Falcon spar alone will support Gs can dish out skin just going along ride OK OK engineers out will say skin provides some amount bending strength agree much debatable wing doesnt bend flap/aileron cut outs intact areas wing 112 Model Aviation * OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC 1938 KLOUD KING 72 ~ELE$15995 SPECIFICATIONS Engine 25 40 2 cycle 40 48 4 cycle Rado 3 channel B&M MODEL CO 290 w 1051 N LAYTON UT 84041 PHONE 801544-5689 Send os Call Free flrechne ADD $695 SHIPPING/HANDUNG UT RES ADD 625% TAX * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $299 Cat No 202 Air Cleaner Fine $299 Replacement Inserts Cat No 104 PkI2 Inserts Coarse $239 Cat No 204 Pkl2 Inserts Fine $239 FITS MOST ENGINES 26and UP SEE YOUR LOCAL HOBBYDEALER IF UNAVAILABLE LOCALLY SEND TO Bru Line Industries Inc o Box37N Center Line Michigan 48015 Add $250 sI pp ng M ch gan residents add 4% sales tax Strength aside devised sanding drum method repair See photos Using split drum over standard drum cookie cutter drum make half round cut damaged area perfect fitting repair piece results first made soft balsa plywood using soft -inch outer medium-soft 1/s-inch inner glued together CyA plug disc cut will match removed halfround repair area no matter deep repair ground up 1800 circle use outer plywood grain span-wise inner plywood cord-wise leading edge strength disc held repair marked leading edge line airfoil sanded rough-in shape Epoxy place finish sand Its easy used wiped-on epoxy finish seal soft balsa give surface some rigidity finish entire wing automotive poof spray can lacquer clear finish bare obechi wings need coat paint repairs pretty sans lacquer finish epoxy-sealed foamlohechi sheeted wings survived lacquer solvents just fine thank kill decals reflect two tree encounters hawk future will try very hard have additions side fuselage especially hawk kind Trees seem bend little hawks fight back Thanks letter Ernestthats sound advice would throw layer three-ounce fiberglass cloth over repaired area Im sort known blowing up models As Byron effect changing guard will still including some letters have written him As major sailplane manufacturers starting sell obechi sheeted kits its nice receive letters tips dealing very temperamental wood tip Daves Wood Products out Leavenworth Washington Dear Byron just finished reading faithfully column August issue Model Aviation tip prefinishing obechi Diamond Finish Polyurethane good have advising customers follow same system difference recommend prefinishing entire sheet before cutting out skins 1 Sand both sides entire sheet 250-grit sandpaper palm-sized finish sander 2 Vacuum damp-towel both sides sheet Note Dont use tack rag contain something screws up water-based finishes 3 Apply thin coat Diamond Finish side pointed out wood will curl up like mad 4 After first side dry coat other side curl will pretty well flatten out 5 Inspect sheet determine side will exposed world give good side another quick sand cut out wing skins using rotary wheel pizza cutters know things fabric stores used cut clothask wife order get grain-matched left right wing skins cut two sheets time using pre-finishing technique wheel cutteragainst solid surfaceI can cut two sheets resorting masking tape Brian Agnew uses same cutterno prefinishingand cuts four sheets time remainder wood split-resistant just retape ends roll up put back its box Thanks tip Dave would like point out pizza cutters very sharp can hazardous healthnot mention what can bottom pizza box Handlaunch models seem gaining popularity States over world As small models relatively easy kit seems natural bombarded new manufacturers new designs nice finally have PRECISION MODEL PRODUCTS Made U S 1 BARSTOCK ALUMINUM SPINNERS Retail Pan No Size Price TT-1502-B 11/2 $1495 TT-1752-B 13/4 1595 TT-2002-B .2 1895 TT-2252-B 21/4 1995 TT-2262-B 2114 FAI . 2195 TT-2502-B 2-1/2 2195 TT-251 2-B 21/2FAI 2395 TT-2752-B 23/4 2695 TT-2762-B FAI 2895 TT-3002-B 3 3095 TT-301 2-B 3 FAI 3295 TT-3252-B 31/4 4195 TT-3502-B 31/2 5495 TT-3752-B 33/4 6495 TT-4002-B 4 7995 Approx Weight 058 ox 095 ox 100 oz 160 oz 150 ox 190 ox 170 ox 220 oz 200 oz 260 oz 250 oz 340 oz 470 oz 520 ox 570 oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Retail rox Pan No SizePrice ght TT-01 40-A 1/4-28$595061 oz TT-0147-A 1/4-28/7mm . 595061 oz TT-0610-A.6x1Omm .. 595063oz TT-0710-A.7x1Omm .. 595082 oz TT-051 6-A 5/16-24595076 xi TT-051 8-A 5/16-24/8mm595076 oz TT-0810-A.8x1Omm595076 OZ TT-0825-A 8 x 125mm . oz TT-0375-A 3/8-24695117 oz TT-0125-A 125mm . 695 115 ox 3 Pieces Nut Washer aird Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 April1994 113 BLEND different airfoils wing root tip BROWSE through dozens airfoils ON SCREENI* Import VIEW airfoils other plot programs Enjoy point-and-click file selection loading Plot left-hand right-hand airfoils both Graphically modify airfoil shapes ON SCREENI* Enter own data quickly easily or. Select hundreds airfoils available disk eqwes VGA graphics $5995 CA residents add sates tax Oversees orders US$85 Send Check Fuel Line Pullers Threads fuel tubes through bulkheads wasting tubing m Nil Li Price 2 units $495Product No FOR 146 Fuel Line Pullers constructed flexible plastic mesh cinches tubing holds tight being pulled hard plastic tips make threading tubing easy through compact fuselages work bench field Fuel Line Pullers make tank installation snap waste excess tubing frustration involved threading long pieces tubing through fuselage Fourmost Products Check local hobby shop other great model pivducts Fourmost SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER US SIG-imporled ROSSI engines come full 90 day 510 WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC.. Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 some choices very pure form soaring have some conversations Mark Weiland Aurora Colorado regarding new HL effort Aria HL Aria half good Mark says Ill take dozen go have tendency break things Mark writes Aria HL started out way take work artist twodimensional three-dimensional realm masters degree work dealt personal image created illusion flying moving space wanted Aria HL become kinetic sculpture means could move space could fly illusion have always wondered line drawn between piece fine art model sailplane project has satisfied question So during last year developed artistic ideas finalized building competitive handlaunch have flying RC sailpianes almost twenty years have found handlaunch glider fascinating form sport Dave Thomburgs article hand-launch Sunbird fueled interest during early 1980s created aileron handlaunch named Katydid conventional building techniques time however caused weigh 20 ounces too heavy Over past several years building business has allowed see number very good sailplanes methods building lightweight gliders mind started design Aria HL wanted glider could move upwind quickly slow down thermal turn dime amazing little details go finalization design Aria IlL has fulfilled design expectations T-tailed handlaunch has span 585 inches 60 inches projected 385 square inches wing foam covered obechi trailing edge using 29-ounce carbon fiber allow knife-edge finish Its fuselage laid up using epoxy resin fiberglass Kevlar carbon fiber weight ranging 17 19 ounces have molded finger rest also works wing hold-down mount visaBJrn/C ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 114 Model Aviation AWAY SERVOS WIRING OR METAL PUSH RODS AND FEET WILL ACCEPT ALL POPULAR RADIO ANTENNAS PACKAGE OF 6 ONLY 98 CENTS SEND SASE FOR NEW 1994 ILLUSTRATED ORDER FORM WILLIAMS BROS INC PAWNEE ST SAN MARCOS CA 92069 stab foam obechi covering using some carbon fiber reinforce mounting areas also removable storage repair rudder built-up covered MonoKote save weight servos battery pack fit tray fuselage held single 4-40 bolt servos have own pushrod ends soldered I/3 music wires attached control surfaces some seems complicated reward very reliable strong airframe have done outside inside loops high-speed passes rolls other maneuvers outside normal flight envelope handlaunch glider aircraft am flying weighs 14 ounces 600 mA pack lightest have built 135 heaviest 155 longest flight have bad 40 minutes long next summer hope try national Duration record sailplane have tried create very complete kit parts precut fabricated plans full-size cross-sections flaperon slope version shown fact buyer sailplane kit could buy hand-launch kit extra wing build sloper days wind isnt could handtossing instruction manual very complete drawings templates modifications larger receivers flaperons etc think very good value dollar have set price $9995 presheeted wing being $4995 extra am very pleased Aria anyone would like further information can contact Sailplane Works 3355 S Dunkirk Way Aurora Colorado 80013 Tel 303 699-0467 between 430 pm and 930 pm MST have yet see design up close personal sounds very promising Give Mark call anything want read about please let know Until next time. Green Air * 5000 different22000 3-view drawings color FOTOPAAKS including KOKU-FAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 EIBC-1Fits FUTABA S28/S 128 S38/S t38 or548/5t48 Servos set 4$2595 GRC2As above set 1$695 3Fits AIRTRONICS 94102 Servos set 4$2595 4As above set I$695 IanL-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS H5300 H5500 ACE330342 342HS TOWER TS-5 Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only california Residents Add 775% Sates Tax 800 845-8978 Orders OnlyVISA MASTERCARD Accepted i HP200 8O SPORT STUNT PLANE BYJI/4/G AfEG j THE CLEAN LINES OF THE HP 200 REPRESENT MANY CLASSIC DESIGN FEATURES THAT SET THIS BIG BIRD U THE REST THE EASE OF CONS TRUCTION AND AMAZING FLIGHT PERFORMANCE IS ATTRIBUTED TOE ITS DESIGNER HAL PARENT COMES IN SEMI-KIT FORM TO SAVE YOU MONEY PRICE OF SEMI-KIT $9995ENWNESGOTOOUADRA42 WEIGHT 14 TO LBS CONSTROCTION MANUAL U FOAM WING CORES U M309 FOAM TURTLE DECK s00/342WHEEL PANTS ACCEPTEOCRYSTAL CLEAR CANOPY ALUMINUM LANDING FEARE HEAVY PLYWOOD MAIN U M ES S FIRE WALL AND U U HORNSAND WINS BOLTS U BILL OF MATERIALS FOR ADDITIONAL WOOD REOLIIRED TO COMPLETE U THE AIRFRAME U SEND MAIL ORDERS TO WINS MPG 300 E SIMMONS GALESBURO IL 61401U ADD $795 SHIPPING AND HANDLING IN AS ACALL DR WRITE FOR SHIPPING CHARGES ON FOREIGN ORDERSU April1994 115 Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying Weight 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 Yoroa LInDa B
Edition: Model Aviation - 1994/04
Page Numbers: 73, 74, 112, 113, 114, 115
RADIO CONTROL SOARING ltiT~IT WOW MY FIRST ARTICLE national magazine What privilege What honor What should write about First should mention Byron Blakeslee Since started flying Byrons articles have part soaring experience learned fly following gentlemans written word devoured anything Byron wrote about finally got meet man behind pen slope race Washington couldnt believe what genuinely nice person figured since Byron national personality would sort stuck up something just nice guy Sorry Byron secret out know speak soaring enthusiasts across states say Thank Byron have given sport have instrumental proper steering hobby thank you would like write Byron show appreciation Im sure would love hear lot probably thinking Daryl Perkins am bothering read cant answer last question think fair tell little bit about myself since youre going reading ramblings month after month Lets see born log cabin middle Kentucky.whats Too far back OK Ill start interest soaring started day after born. Honestly have interested models ever since can remember father has full-scale license have flown him since just young buck didnt really appeal little boy liked toy airplanes used take some local power fields would start building trainer models building techniques taught stuck About nine years ago finally some free time completed first RC sailplane Sig Riser found local slope site decided sloping much fun waiking hi-start five minutes besides could get really high therefore go really fast liked part finaily tore fin off Riser vertical dive decided needed faster model went directly Bob Martin SR 7 took figure out aileron thing once did greatly enjoyed freedom high-energy aerobatics Since have drawn faster faster gliders getting involved slope racing demon referred F3B aiso fair amount thermal work real love speed put soaring ahead everything dont really know fly love freedom people friendly competition guess its just feeling enjoying purest form RC flying soaring As read articles remember am aeronautical engineer aerodynamicist just normal guy like truly loves sport As read can look out April 1994 73 Sailplane Works beautiful new Aria HL Span 58 inches kill decals Ernie Barters Falcon 880 mark aerial accidents 385 square inches area SD 6080 airfoil Details text dont kill decals usually denote victories Text describes easy repair method Ernie Barters Falcon wing after unpleasant encounter tree After fix Beautiful job Ernie wipe-on epoxy finish sealed soft balsa made surface rigid window see wind rain snow Well recently brave elements travel San Diego F3B Contest hosted Torrey Pines Gulls CDed good friend Steve Condon suffer through 750F-800F temperatures nothing sunshine might have gotten down 50s night looked coat once Boy can guys host contest Rooms prearranged Ramada Inn suites contestants ample supply field workers typically problem F3B Steve guaranteed would have fun also typically problem F3B list contestants read like Whos competitive F3B soaring entire US team Don Edberg Seth Dawson Steve Lewis Manny Tau just few wellknown fliers also three Sportsman fliers signed up try luck headto-head sport Scott Condon Jim Markle eventual Sportsman winner George Joy guys definitely considered Sportsman fliers other type soaring event Day contest started out some low-stress Duration immediately became high-stress Duration dead air conditions could launch cruise stopped circle dead Most top competitors recognized eked out times Distance took place too upsets first round Speed took serious toll some top fliers contest open taking due Larry Jollys line-break problems cuts Joe Wurts myself Rich Spicer eventful Speed flight hitting tree very narrow course can envision beautiful allred Synergy III broken tailboom.well get picture Speed flown back-to-back cuts once again Joe competitors left ponder far turn wasWas course regulation Randy Spencer gets should have bought lottery ticket award handed mother thermals launch after model went behind tree Spicer hit came out other side fastest time contest 178 day ended Duration slightly better conditions morning contestants maxed adjourned evening mass consumption beer pizza Once again would like point out fly much people flying itself else could people such varied backgrounds lifestyles have much fun decided dinner start much earlier next day much relief us travel after contest Day Two again started Duration about hour earlier day before didnt make seven minutes seem shorter 658 couldnt possibly have stretched 703 Most top fliers somehow squirmed through times exception 1977 World Champ Skip Miller Skip flying flawlessly contention top honors until flight could manage 608 100-point landing landing Skip still take about 100-point hit Distance Speed seemed turn endurance test Allen Development F3B Eagle quite bit abuse handed out Randy Spencer Larry Jolly Trying get last lap Distance can very hard models Randy proved model forcefully hit far-end sighting device Randy caught wingtip put Eagle flat spin rebuilding frenzy ensued rnshed get model back air Speed After temporary fix Randy said boy just cant kill things Larry Jolly proceeded prove Randys point dragging tip across finish line Speed Larrys model hit hard thought dust after checking servos linkage spar thing Continued page 112 74 Model Aviation IALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTh AVAIl ARE F ENfliViflhlAl IV UOMILI IIION ACUESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES S & 7 LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Soaring/Perkins Continued page 74 damaged Larrys ego After dust settled Randy wonhe deserved flew consistenfly conservativelyvery important long contest Expert Results 1 Randy Spencer 2 Steve Lewis 3 Seth Dawson 11632 points 11451 points 11413 points Sportsman Results 1 George Joy 2 Jim Markie 3 Scott Condon Thanks Torrey Pines Gulls hosting contest good time uninitiated often ask birds ever bother model Well letter Ernest F Barter Saratoga California regarding some escapades local bird prey Hawk Encounter past local hawks have friendly sorts have shared air space until about month ago tried share lift guy wasnt having part circling about 300 400 feet noticed hawk some distance away seemed better lift know flew over area approaching behind going much faster wanting overtake Mr Hawk did 360 lose airspeed Making second approach again behind much slower thought could join up fly wingtip Share little lift would Wrong As came alongside Mr Hawk did very unfriendly act couldnt tell got beak talons too high see happened instant took good-sized chunk out right wing Mr Hawk continued circle Falcon turned 900 impact obviously trouble responding normally control inputs damaged wing hit hard both wings partially unplugged use electrical tape join wings fuselage both sides pulled free Long rear joiners long electrical plugs saved day lost control right flap intermittent right aileron slow descent uneventful landing disclosed extent damage right wing unplugged another l/ inch would have doing post-crash analysis probably would never have known what damage caused flying buddy moral story approach resident hawk caution give him wide berth Screaming behind high airspeed obviously way join up bird friends [These good words advice have heard some slope clubs actually losing sites due bird harassment Daryl] After altercation UFOs Unfriendly Flying Objects Unfriendly Fixed Objects Ernest goes tell repair methods Repair composite wings After losing argument tree effecting leading edge repair using cut damage out sand fit foam fit leading edge fit new skin sand some method figured must better way Using premise skin/leading edge composite wing mostly provide torsional read twist strength cause air molecules zip around via Bernoulli effect fitting foam leading edge skin damaged area exercise futility Falcon spar alone will support Gs can dish out skin just going along ride OK OK engineers out will say skin provides some amount bending strength agree much debatable wing doesnt bend flap/aileron cut outs intact areas wing 112 Model Aviation * OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC 1938 KLOUD KING 72 ~ELE$15995 SPECIFICATIONS Engine 25 40 2 cycle 40 48 4 cycle Rado 3 channel B&M MODEL CO 290 w 1051 N LAYTON UT 84041 PHONE 801544-5689 Send os Call Free flrechne ADD $695 SHIPPING/HANDUNG UT RES ADD 625% TAX * * Long Engine Life * * Use BRU LINE Air Cleaner Completely Fuel Proof Nylon Rubber Parts Cat No 102 Air Cleaner Coarse $299 Cat No 202 Air Cleaner Fine $299 Replacement Inserts Cat No 104 PkI2 Inserts Coarse $239 Cat No 204 Pkl2 Inserts Fine $239 FITS MOST ENGINES 26and UP SEE YOUR LOCAL HOBBYDEALER IF UNAVAILABLE LOCALLY SEND TO Bru Line Industries Inc o Box37N Center Line Michigan 48015 Add $250 sI pp ng M ch gan residents add 4% sales tax Strength aside devised sanding drum method repair See photos Using split drum over standard drum cookie cutter drum make half round cut damaged area perfect fitting repair piece results first made soft balsa plywood using soft -inch outer medium-soft 1/s-inch inner glued together CyA plug disc cut will match removed halfround repair area no matter deep repair ground up 1800 circle use outer plywood grain span-wise inner plywood cord-wise leading edge strength disc held repair marked leading edge line airfoil sanded rough-in shape Epoxy place finish sand Its easy used wiped-on epoxy finish seal soft balsa give surface some rigidity finish entire wing automotive poof spray can lacquer clear finish bare obechi wings need coat paint repairs pretty sans lacquer finish epoxy-sealed foamlohechi sheeted wings survived lacquer solvents just fine thank kill decals reflect two tree encounters hawk future will try very hard have additions side fuselage especially hawk kind Trees seem bend little hawks fight back Thanks letter Ernestthats sound advice would throw layer three-ounce fiberglass cloth over repaired area Im sort known blowing up models As Byron effect changing guard will still including some letters have written him As major sailplane manufacturers starting sell obechi sheeted kits its nice receive letters tips dealing very temperamental wood tip Daves Wood Products out Leavenworth Washington Dear Byron just finished reading faithfully column August issue Model Aviation tip prefinishing obechi Diamond Finish Polyurethane good have advising customers follow same system difference recommend prefinishing entire sheet before cutting out skins 1 Sand both sides entire sheet 250-grit sandpaper palm-sized finish sander 2 Vacuum damp-towel both sides sheet Note Dont use tack rag contain something screws up water-based finishes 3 Apply thin coat Diamond Finish side pointed out wood will curl up like mad 4 After first side dry coat other side curl will pretty well flatten out 5 Inspect sheet determine side will exposed world give good side another quick sand cut out wing skins using rotary wheel pizza cutters know things fabric stores used cut clothask wife order get grain-matched left right wing skins cut two sheets time using pre-finishing technique wheel cutteragainst solid surfaceI can cut two sheets resorting masking tape Brian Agnew uses same cutterno prefinishingand cuts four sheets time remainder wood split-resistant just retape ends roll up put back its box Thanks tip Dave would like point out pizza cutters very sharp can hazardous healthnot mention what can bottom pizza box Handlaunch models seem gaining popularity States over world As small models relatively easy kit seems natural bombarded new manufacturers new designs nice finally have PRECISION MODEL PRODUCTS Made U S 1 BARSTOCK ALUMINUM SPINNERS Retail Pan No Size Price TT-1502-B 11/2 $1495 TT-1752-B 13/4 1595 TT-2002-B .2 1895 TT-2252-B 21/4 1995 TT-2262-B 2114 FAI . 2195 TT-2502-B 2-1/2 2195 TT-251 2-B 21/2FAI 2395 TT-2752-B 23/4 2695 TT-2762-B FAI 2895 TT-3002-B 3 3095 TT-301 2-B 3 FAI 3295 TT-3252-B 31/4 4195 TT-3502-B 31/2 5495 TT-3752-B 33/4 6495 TT-4002-B 4 7995 Approx Weight 058 ox 095 ox 100 oz 160 oz 150 ox 190 ox 170 ox 220 oz 200 oz 260 oz 250 oz 340 oz 470 oz 520 ox 570 oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Retail rox Pan No SizePrice ght TT-01 40-A 1/4-28$595061 oz TT-0147-A 1/4-28/7mm . 595061 oz TT-0610-A.6x1Omm .. 595063oz TT-0710-A.7x1Omm .. 595082 oz TT-051 6-A 5/16-24595076 xi TT-051 8-A 5/16-24/8mm595076 oz TT-0810-A.8x1Omm595076 OZ TT-0825-A 8 x 125mm . oz TT-0375-A 3/8-24695117 oz TT-0125-A 125mm . 695 115 ox 3 Pieces Nut Washer aird Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 April1994 113 BLEND different airfoils wing root tip BROWSE through dozens airfoils ON SCREENI* Import VIEW airfoils other plot programs Enjoy point-and-click file selection loading Plot left-hand right-hand airfoils both Graphically modify airfoil shapes ON SCREENI* Enter own data quickly easily or. Select hundreds airfoils available disk eqwes VGA graphics $5995 CA residents add sates tax Oversees orders US$85 Send Check Fuel Line Pullers Threads fuel tubes through bulkheads wasting tubing m Nil Li Price 2 units $495Product No FOR 146 Fuel Line Pullers constructed flexible plastic mesh cinches tubing holds tight being pulled hard plastic tips make threading tubing easy through compact fuselages work bench field Fuel Line Pullers make tank installation snap waste excess tubing frustration involved threading long pieces tubing through fuselage Fourmost Products Check local hobby shop other great model pivducts Fourmost SIG MANUFACTURING CO now imports complete line world record holding ROSSI aircraft marine helicopter race car engines includes full line parts accessories plus full time ROSSI REPAIR CENTER US SIG-imporled ROSSI engines come full 90 day 510 WARRANTY against work manship manufacturing defects SIG MANUFACTURING CO INC.. Montezuma IA 50171 PH 515-623-5154FAX 515-623-3922ToIl Free Orders 800-247-5008 some choices very pure form soaring have some conversations Mark Weiland Aurora Colorado regarding new HL effort Aria HL Aria half good Mark says Ill take dozen go have tendency break things Mark writes Aria HL started out way take work artist twodimensional three-dimensional realm masters degree work dealt personal image created illusion flying moving space wanted Aria HL become kinetic sculpture means could move space could fly illusion have always wondered line drawn between piece fine art model sailplane project has satisfied question So during last year developed artistic ideas finalized building competitive handlaunch have flying RC sailpianes almost twenty years have found handlaunch glider fascinating form sport Dave Thomburgs article hand-launch Sunbird fueled interest during early 1980s created aileron handlaunch named Katydid conventional building techniques time however caused weigh 20 ounces too heavy Over past several years building business has allowed see number very good sailplanes methods building lightweight gliders mind started design Aria HL wanted glider could move upwind quickly slow down thermal turn dime amazing little details go finalization design Aria IlL has fulfilled design expectations T-tailed handlaunch has span 585 inches 60 inches projected 385 square inches wing foam covered obechi trailing edge using 29-ounce carbon fiber allow knife-edge finish Its fuselage laid up using epoxy resin fiberglass Kevlar carbon fiber weight ranging 17 19 ounces have molded finger rest also works wing hold-down mount visaBJrn/C ELECTRONICS RXS SERVOS etc FOR OLDER RADIO UPDATES WE HAVE OVER 26 YEARS EXPERIENCE IN RC AT WE 1466 windward dr mason ohio 45040 ph 513 398-5423 114 Model Aviation AWAY SERVOS WIRING OR METAL PUSH RODS AND FEET WILL ACCEPT ALL POPULAR RADIO ANTENNAS PACKAGE OF 6 ONLY 98 CENTS SEND SASE FOR NEW 1994 ILLUSTRATED ORDER FORM WILLIAMS BROS INC PAWNEE ST SAN MARCOS CA 92069 stab foam obechi covering using some carbon fiber reinforce mounting areas also removable storage repair rudder built-up covered MonoKote save weight servos battery pack fit tray fuselage held single 4-40 bolt servos have own pushrod ends soldered I/3 music wires attached control surfaces some seems complicated reward very reliable strong airframe have done outside inside loops high-speed passes rolls other maneuvers outside normal flight envelope handlaunch glider aircraft am flying weighs 14 ounces 600 mA pack lightest have built 135 heaviest 155 longest flight have bad 40 minutes long next summer hope try national Duration record sailplane have tried create very complete kit parts precut fabricated plans full-size cross-sections flaperon slope version shown fact buyer sailplane kit could buy hand-launch kit extra wing build sloper days wind isnt could handtossing instruction manual very complete drawings templates modifications larger receivers flaperons etc think very good value dollar have set price $9995 presheeted wing being $4995 extra am very pleased Aria anyone would like further information can contact Sailplane Works 3355 S Dunkirk Way Aurora Colorado 80013 Tel 303 699-0467 between 430 pm and 930 pm MST have yet see design up close personal sounds very promising Give Mark call anything want read about please let know Until next time. Green Air * 5000 different22000 3-view drawings color FOTOPAAKS including KOKU-FAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 five minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 EIBC-1Fits FUTABA S28/S 128 S38/S t38 or548/5t48 Servos set 4$2595 GRC2As above set 1$695 3Fits AIRTRONICS 94102 Servos set 4$2595 4As above set I$695 IanL-5Ball Bearing Only JR 501 507 RCDAPOLLO 05 10 FOCUS H5300 H5500 ACE330342 342HS TOWER TS-5 Servos set 4$1995 Add $300 Shipping Handling orders 14 692-1393 Info Only california Residents Add 775% Sates Tax 800 845-8978 Orders OnlyVISA MASTERCARD Accepted i HP200 8O SPORT STUNT PLANE BYJI/4/G AfEG j THE CLEAN LINES OF THE HP 200 REPRESENT MANY CLASSIC DESIGN FEATURES THAT SET THIS BIG BIRD U THE REST THE EASE OF CONS TRUCTION AND AMAZING FLIGHT PERFORMANCE IS ATTRIBUTED TOE ITS DESIGNER HAL PARENT COMES IN SEMI-KIT FORM TO SAVE YOU MONEY PRICE OF SEMI-KIT $9995ENWNESGOTOOUADRA42 WEIGHT 14 TO LBS CONSTROCTION MANUAL U FOAM WING CORES U M309 FOAM TURTLE DECK s00/342WHEEL PANTS ACCEPTEOCRYSTAL CLEAR CANOPY ALUMINUM LANDING FEARE HEAVY PLYWOOD MAIN U M ES S FIRE WALL AND U U HORNSAND WINS BOLTS U BILL OF MATERIALS FOR ADDITIONAL WOOD REOLIIRED TO COMPLETE U THE AIRFRAME U SEND MAIL ORDERS TO WINS MPG 300 E SIMMONS GALESBURO IL 61401U ADD $795 SHIPPING AND HANDLING IN AS ACALL DR WRITE FOR SHIPPING CHARGES ON FOREIGN ORDERSU April1994 115 Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying Weight 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 Yoroa LInDa B