NEW The Westwind Max Mills Models Last months column Tom Thompsons per sonal impressions Maxs Southwind polyhe dral-winged Standard Class Glider month Max himself tells us about straight-wing ver sion called Westwind Westwind designed person has flying entry-level Sailplane has become proficient landing thermaling ready fly new type style model straight wings Westwind designed Bill Liscomb sends two tine photos taken Torrey Pines CA Scale Fun Fly left Dan Troxeil seems justifiably proud V4-scale Grunau Baby built Krick kit right Larry Fogel shows off 1Oyear-oid Schweizer TG-3 built RCM plans Theres lots Information column about ship left new Westwlnd Max Mills Models right Floridas 5rlan Agnew Overkiii Cross-Country ship information both Brians new foam-wing-cutting business months column 56 Model Aviation Radio Control Soaring ByrOn Blakeslee 3134 Winnebago Dr Sedaila CO 80135 group shot Cincinnatti Soaring Society gang taken y ioe Hun ST inc 1989 PumpkIn Fly last October photo sent editor CSS newsletter Chuck Lohr pilot has little no experience aileron-equipped aircraft very positive roll control wing planform model make extremely predictable fly launch portion flight pleasure hair-raising ex perience Westwind based same proven design Southwind shares same rugged fuselage tail assembly desired Southwind fuselage can used Westwind wings speed Westwind slightly faster flaps down same stable con trolled approach landing possible Southwind balsa-sheeted foam cores spruce spars 1A -in steel joiner rod Westwind can launched aggressively winch still very much hi-startable dont need use expensive seven-channel radio fly Westwind computer radio like Airtron ics Vision set coupling flaps elevator aile rons rudder ailerons flaps possible allow easier flying model 'because pilot can couple full-span flaps/ailerons elevator quick turns Westwind makes perfect model compete Scale Glider Components has retract gear units available 1/i -scale sizes Author Byron Blakeslee observes sturdiest retracts available today Sportsman Multi-Taskor practice F3B Speed Distance tasks kind fly ing does suit needs want thermal fly fun fly AMA contests spot landings Westwind model Other specs include Selig 3021 airfoil 104-in span 910-sq-in area 60-oz dry weight 10-in root chord triple-sweptback wing leading edge straight trailing edge price Westwind $12500 plus shipping directly Max Mills Models 3820 Cheraz NE Albuquer que NM 87111 tel 1-505/292-3510 Brian Agnew will remember young man Florida set 1988 Nats its ear winning Two-Meter Standard Unlim ited Hi Johnson Trophy Lee Renaud Tro phy together dad John Lee Montgomery Dan Pruss Memorial Team Tro phy short everything except Scale let us know what up days Brian sent following letter last time wrote mentioned work ing Cross-Country ship Enclosed pic ture Overkill has 160-in wingspan E374 airfoil Bob Sealy X-C fuselage flat center section dihedral tips chord 13 center panel tapering 8 tips Weight FAI max 11 lb vacuum-bagged wings sand wich white foam unidirectional glass % balsa tremendously strong chose balsa sheeting simplicity reasons allowing cover wings MonoKote best thermaling planes Ive ever its 13oz/sq-ft wing loading too light serious X C work next X-C ship will have higher pect ratio wing loading closer 15 oz/sq ft Plus Ill use glass over blue foam no balsa sheeting plan enter Great Race year love X-C racing am really looking forward Just hope have competitive plane Enclosed flyer new custom foamwing-cutting business have computer-stored plots over 80 popular airfoils can cut cores up 15 wide 80 long Conven tional cores full-size construction saddles $45 per set Multipanel wings $2250 per pan el Templates $30 per set root tip Any questions should hesitate give call think would great Brian can make career RC Sailplane business shows hobby growing point can sup port number full-time specialized manufactur ers Readers interested obtaining Brians price Continued page 58 June 1990 57 HARD TO FIND PREMIUM PROBLEM SOLVERS JJ L EREPLACE INTERFERENCE CAUSING STEEL El-CABLE CONTROLS AND RIGGING nA ID B GREAT FOR LONG LEADS AND HIGH #22 SERVO WIRE POWER SERVO SYSTEMS ELECTRONIC MONITOR AND SWiTCHOVER DMIIflIBMIvRfl SYSTEM USEDWITh 2 PACKS IITIU BUSTER 6 CHANNEL OPTO-ISOLATOR AND SIGNAL G LIIfl BOOSTER KILLS GLITCHS DEAD *4CC 444td461e ae ~ ~4z CALL OR WRITE JOMAR PRODUCTS513-474-0985 2028 Knightsbridge Dr Cinti OH 45244 HANDSOFFCUTII Especially Designed Tapered Wings unique device cutting high quality foam wing cores HANDS OFF cutting both sides same time Available hardware package assemble ov own board--Specify 30 40 -50 or 60 ordering Size may changed anytime Man Chord tandard lLager chords availablel Easy assemble Requires 24 Volt Variable Output Power Supply DEALERS WANTED Hands Oft Cut II hardware packagel$8750 S & H 24 Volt Variable Output power supply$6250 v $300 S & H VIDEO FOAM SHOP Foam Shop Part OneCutting Foam Wings hour long cuts made using HANDS OFF CUT II VHSOnly $2995 includes S & H lowe 48 Foam Shop Part TwoCutting Foam Fuselages hour long cuts made using simple bow VHSOnly $2995 includes S & H Ioaer 48 SUPER BOND ACT ADHESIVE best contact cement have ever used Only $375 8 oz squeeze bottle Enoutr 1400 square ncir wingAdd $200 S & H lower 48 1/8 inch Phenolic Board Templates ftOnly 5500 * $200 S & H NOR-RAY PRODUCTS INC 5008 Sandbeach Road VISAWica Fa 5 Tenas 763 0 LJ8176924475 PFjECISION MODEL PRODUCTS Made USA BARSTOCK ALUMINUM SPINNERS Part NoSize TT-150-B .. 11/2 11-175-B .. 13/4 T1-200-8 TT-225-B /4 TT-226-B 114 FAI 11-250-B . TT-251-B . 21/2 FAt fl-275-B 3/4 TT-276-B ..2-3/4 FAt .. TT-300-B 11-301-BFAIl 11325-B 1/4 11-350-8 . 3-1/2 TT-375-B . 3-3/4 11-400-B RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 ox 1695160 oz 1895150 ox 1895190 oz 2095170 ox 2295220 oz 2495200 oz 2695260 ox 2895250 oz 3695340 ox 4995470 ox 5995520 oz 6995570 ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner Part NoSize TT-140-A 4-28 11-147-A .. 1/4-28/7mm . 11-610-A 1Omm TT-710-A . 7x 10mm 11-516-A . 5/16-24 TT-518-A . 5/16-24/8mm TT-810-A x 10mm .. 11-825-A 125mm T1-375-A 8-24 T1-125-A . 125mm RetailApprox PriceWeight $495061 oz 495061 ox 495063 ox 495082 ox 495076 ox 495076 oz 495 . 076 ox 495 . 075 oz 595 117 oz 595 115 ox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 list can sending SASE Brian Ag new 5625 Youngquist Road #22 Ft Myers FL 33912 tel 1-813/433-5910 Scale Glider Components company started Bill Liscomb supply high-quality goodies American Scale fliers Bill has built flown quite few European Scale kits knowl edgeable about what works what doesnt Bills first offering quarter-scale retract unit Hes now filled out line retracts % 1A scale best ones can get sells $50 plus $5 P&H Bills first kit offering beautiful quarterscale DG-202 has gorgeous one-piece gelcoated fuselage wings have foam cores carbon fiber spars sheeted obechi saw Bill fly prototype 89 TRICS Scale Slope Fun Fly very impressed quality workmanship comparable top German products information send SASE SGC 7034 Fern Place Carlsbad CA 92009 tel 1-619/931-1438 Bill also passed along some personal notes big Scale Fun Fly held Torrey Pines last Thanksgiving Torrey Pines Fun Fly blast about 60 pilots registered day brought about 120 models weather var ied rain wind blowing down slope nice soarable least got fly day Sunday afternoon saw largest num ber Power Slope Gliders air time Ive ever seen WW II Korea Vietnam eras represented also modem-day fighters Once about 15 mixing up hot heavy saw Hellcat strike Zero couple times pilot noted kills Scale soarers also well represented Lots big beautiful models vintage WW U trainers combat gliders course modern glass ships Torrey Pines Gulls club put great show deserves lot credit Torrey Pines Flight Park also assisted asking hang gliders turn left after launched helped air traffic problem greatly ridge used people Gulls excited about making 1990 fun fly bigger better will held earlier year over Labor Day weekend Septem ber 1-3 will have banquet big raffle information send SASE Charlie Morey Slope Soaring News 2601 E 19th St #29 Signal Hill CA 90804 Thanks scoop Bill Speaking Slope Soaring News Charlie steadily upgrading very interesting monthly journal Its up 20 pages must read Slope enthusiasts SSN mostiy covers Southern Cal scene Slope flying rapidly gaining popularity na tionwide So youre Torrey Pines Point Fermin regular youll get moneys worth $1595 per year just ads specialized manufacturers kit re views Send subscription check Charlie Morey address shown above Im sure youll like SSNI Bradley Model Products Jim Bradley com petition Free Flight flier youll read letter below much people var ious aspects model plane hobby can learn other Jims letter might think odd Free Flighter would writing editor RC Soaring column need same things build competitive models As strange may sound read specialty columns Mode/ Aviation month usually find something interest Because fly FlA Glid ers RC Sailplanes about close can get still totally different Several friends customers fly Sailplanes get out some Sailplane contests around talk people keep touch what doing am sure aware carbon fiber what valuable building material has become would like make readers aware am source material have selling longer have sizes prices lower other source know En closed latest Product List Application Notes carbon fiber sheet mat handle readers would like copy List Notes ask self-addressed stamped envelope am always available help problems answer letters re ceive am also available evenings weekends should anyone want call As Jim said products mostly geared toward hand-towed Free Flight Gliders applications similar what RC Sailplaners building especially true want build lighter stronger plane Jims value could advising use new unfamiliar exotic materials address Bradley Model Products 1337 Pine Sap Court Orlando FL 32825 tel 1407/277-9132 Model-construction videos first construc tion videos saw put out Bob Dodgson covered tricky bits building Bobs line Gliders also good general tips Definitely worthwhile viewing Now DO Darnell Tulsa has taken idea step further independently producing tapes covering construction popular kits Lets have DO tell us about new venture new company Model Construction Videos MCV will produce videotapes showing construction state-of-the-art competition Sailplane kits purpose tapes let prospective builder see whats involved build ing kit quality materials plans instructions ultimate performance finished product flying sequences will show launch maiden flight in-the-air shots MCV tapes intended both educate entertain idea occurred trying build popular kits become very frustrated trying decode written instructions have computer business have RC Soaring 20 years have seen best worst technical documen tation both fields dawned having trouble following written instructions probably others would have difficult time too Since am experienced builder decided wing through building process put videotape video production process has both educational enjoyable although has taken about three times long estimated complete first project Building Mariab price $2195 plus $350 S&H next tape production scheduled release May 1 Building Falcon 880 hope readers will drop line indicating prefer ences future projects sounds like terrific idea should excellent way newcomers quickiy increase building skills Interested readers can reach 58 Model Aviation PROP NUT ADAPTORS V DO MCV 4227 E 83rd Street Tulsa OK 74137 Speaking Falcon 880 Mark Allen Flite Lite Composites phoned let everyone know catching up orders extremely pop ular kit Photos complete description Falcon October 89 column Falcon winner last years RCSD Challenge select best Glider new Sportsman Multi-Task event Marks classy-looking design sure hit lots folks hot button demand kit has astound ing Mark crew have turned out 250 kits working overtime have backiog down eight weeks March Mark stopped offering preshected-wing ver sion because extra time volved now back line Whats amazing fact Mark said 75% orders presheeted versioneven though price $305 interested dering Falcon should check Mark exact price delivery info Flite Lite Composites PO Box 1493 Windsor CA 95492 tel 1-707/ 838-3390 Ive flying Falcon since January can vouch its sweet flying characteristics launches beautifully both winch hi-stan has good speed range very easy fly its about fun Ive Glider Using Airtronics Vision radio helps too three-position Flight Mode Switch pre sets flaps ailerons down launch Just plane nosed over dive before zoom flick switch puts flaps aile rons back normal positions plane zooms up up away F3B-USA special newsletter fans F3B Sportsman Multi-Task flying objec tive F3B-U SA print latest news detailed information F3B SMT fliers need keep up fast-moving portion sport Subscriptions formerly handled out Irvine CA PO Box since first year editor Randy Reynolds has taken over re sponsibility subscription list Subscrip tions $12 per year six issues Please send check Randy Reynolds 122 E Uintah St Colorado Springs CO 80903 tel 1-719/4713160 sent check Irvine havent re ceived newsletter please check Randy see name somehow missed getting list A/C Soaniug Digest has sold founder editor Jim Gray Jerry Judy Slates Con cord CA Jim former Soaring editor Model Airplane News has publishing RCSD over seven years couple years ago Jim Peggy retired moved New Hampshire Arizona have hoping have time travel relax Judy Slates has setting up RCSD printing over year publishing job will piece cake Jerry recently retired telephone company Hell have time editing chores plus keep turning out excellent line fiber glass fuselages makes under Viking Mod els label have never seen RCSD havent read lately guarantee youll find its interest ing educational read new series Martin Simons began January issue called Understanding Thermal Soaring Sailplanes alone worth price Id recommend new subscribers request subscription start issue complete Simons series obtained Send $17 years subscription Continued page 173 Mere Fun Less Funds ESCAPE SPECIFIC Wing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA forthe FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SF Wing pan65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span6314 inches Wing Area700 square inches Engine Size50-60 Glow 90 four stroke fun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dder Inqurles Invited June 1990 59 Cyclone II will good autorotations stock blades might prefer weighted units wider safety margin PCM 10 has performed flawlessly beginning think youll find new radios will make better pilots out of us see can now truthfully fine-tune Heli copter 1 % time machine can have proper trim hover also best trim forward flight acrobatic compensa tions well fully intend wring Cyclone II PCM 10 Out see just much PCM 10s potential can use meantime has fun project already know feel about JR PCM TO As Cyclone II honest ma chine would hard imagine Helicopter stable easier fly same time Ive flown Excalibur know what good acrobatic capabilities its K-5 rotor head provides Cyclone shares same rotor head Cyclone II definitely adaptable whatever flying style demands kit easy assemble everything high quality ship flies straight out box would hesitate recommend fine products would also like thank Hobby Dynamics letting report Kalt JR products also making available us As time allows will give updates both Kalt JR lines well further experience Cyclone II PCM 10 further information please contact Hobby Dynamics PO Box 3726 Champaign IL 61826-3726 tel 1-800/458-0241 BCNU RC Soaring/Blakeslee Continued page 59 RCSD 2026 Spring Lake Dr Martinez CA 94553 tel1-415/689-0766 Ed Dumas Jr has new design program calls Sailplane Design Program Version 40 IBM-PC what Ed says about program programs menu-driven de signed easy use designed pri manly Sailplane designernot com puter experts analysis given design quick easy performance map can examined screen printed out printer po lar curve plot can generated screen well dot-matrix printer multiple analysis mode allows step either weight center gravity location through range values performance map and/or polar curve can generated automatical ly value can easily generate family maps example showing effects add ing ballast changing CG location As 100 Sailplane designs can saved flop py disk Eds program contains 20 airfoils 10 kit Sailpianes starter designs package $25 ppd 25 pages instructions disk have print out print er Eds address 3220 Boomerang Lane Knox ville TN 37931 Archacopteryx Avion Associates unpro nounceable name Jim Ealys RC Scale Glider business Jim has collecting Scale informa tion long time has lot material good thing enthusiasts looking some esoteric plan three-view gist Jims latest news release Enclosed plans DFS Habitch newsletter concerning 10th anniversary sale Actually have collecting documentation Scale Gliders about 25 years Within about two three months aboat JuneBB will have A-scale plans friend will have -scale fiberglass fuselage Habitch sale plans kits drawn sets full-scale drawings have collected over years highlights offerings 1000 three-views line drawings 50 %- A- -scale plans 25 r documentationsmostly vintage four high-startsheavier rubber walls commercially available parachutetrue ripstop nylon 100lb shroud lines four Scale kits A-scale Tandem Tutor 130-in span 1530 sq -scale Grunau Baby 11107-in span 880 sq A-scale Zogling 102-in span 1376 sq -scale Woodstock 156-in span 1675 sq Jims 10th-anniversary sale price Zog ling kit $15995 $19995 Tutor Baby $25995 Woodstock available August Add $10 kit UPS ship ping illustrated Archacopteryx catalog send $1 plus large SASE Jim Ealy 128 Etra Road Hightstown NJ 08520 tel 1-609/4488726 Club news have recently received newsletters several Soaring clubs new new want pass along information contact person benefit fliers living local areas may wish join alphabet ical order have Bluegrass Soaring Society Lexington KY area Keith Hatfull edits its excellent Aerial Boundaries newsletter can reach Keith $1695Propeller Drill Jigs Ba Self your Ugns existIng prop hole Webre Bully aDolmar Zenom um II SunCraft 1617 loa Tamas AIbuq NM 87102 505-842-9648 June 1990 173 WORLDS BIGGEST SCALE PLANS & DSCSNENTATTSN SENOICE 0 SCALE NObEL PLANS 58000 ASNCtA DACA N.FF0t, NOAI AMA SSIN COEN AS PAGE CATALOGN VSSAS SACO US CAsCA $800 Aj,SiI 0.,. SCALE PLANS nPoroSevce PLANS SULANOING3259 Madison SAS GreSPSAAA NE 27403 SCALE DOCUMENTATION55912i2S23i ie LiTRES 1 N5~MtLLSMETALS BSSKS reets ee1 Four Great Days Oshkosh WI Wlttman Field Over 30 Manufacturers & Dealers Indoors hOME OF TIlE ERA T TIE EAR MUSEUM WUrrMAH puELD KOS ALLY OF GIANTS jggO AIIOCIOU@fl inc Complete Information write CUflCH Bluffs IA 51W3 IiVIAAS 10th ANNIVERSARY FUI4FLY JunO 28-29-30 July 11990 IMAA Sanctioned 107 Wildwood Dr Versailles KY 40383 tel 1606/873-7554 Desert Union Sailplane Thermalists Palm Springs CA DUST rejuvenated club back publishing its Dust Devil newsletter has joined southern California Soaring clubs competition circuit David Hall news letter editor can contacted 3030 Cypress Rd Palm Springs CA 92262 tel 1-619/ 320-58 14 Seattle Area Soaring Society recently re formed club up 50 members going strong Waid Reynolds editor SASS Up draft newsletter can reached 12448 83rd Ave So Seattle WA 98178 tel 1-206/772029 1 SWIFT club Omaha NE area new club organized February has no dues started things off right foot coming AMA chartered club #2749 Its Vis ible Lift newsletter edited Ron Ponec can reached via PO Box 174 Elkhorn NE 68022 always appreciate receiving club newsletters since best way keeping touch whats happening Soaring around country Editors please send home address listed top column Model Aviation editorial offices FF Indoor/Tenny Continued page 73 So what wrong learned good tan rubber seemed to wind ef fectively model still required immensely larger amount power Jims very similar model no clue exact reason High drag After USIC carefully examined model thiniring terms what would ab sorb energy during power burst model trimmed wing very far forward leaving small angular difference between wing stab incidence However repairs early tail boom damage left some positive cidence relative motor stick centerline wing also positive incidence addition model behaved fin area too small pronounced Dutch roll during sev eral phases flight Normal trim accommo date high torque included some left thrust no downthrust significant amount wing offset several degrees washin/washout twist Operation streamline new tail boom fin built fin area concen trated farther aft socket plug-in boom removed reinstalled give slight negative stab incidence allowing wing incidence reduced zero relative stick centerline Virtually washin/washout twist between tip dihedral breaks re moved small equal amount washout put tip prevent possibility tip stall model now climbed cleanly low ceil ings lower torque cruised nose-up titude very slightly lower cruise torque Ready Nats quite Idahos Kibbie Dome could get model higher expense too much rubber climb very clean smooth almost no Dutch roll fact very long heavy loop made scrub big acoustical tiles ceiling lucky get Uiii~ 1/4-SCALE PLANS FROM FACTORY BLUEPRINTS See Scale RIO Modeler October 88 Wing Loading 18 ozs Span 78 inches Weight 825 lbs Area 1053 inches 46-61 2/Cycle Plans rolled manual Spaceman decals $3000 PPD Cowls pants Fiberglass Master Dry Ridge Models 59 McCurry Road704 658-2663 Weaverville NC 28787 back could have lost top tile way out reach dead-sticked prop locked glided 135 total just over eight min utes Now good idea what power use got flight just over 10 minutes ran out time contest ended power going Texas high ceiling 1000 miles away few minutes high-ceiling flying time left 1989 Next chance Johnson City 1990 two possible culprits thick airfoil section center wing props Jim Clem loaned props weighed same Several quick test flights motors documented per formance props showed no major differ ences using Jims prop has wing Tune later see new wing solves problem Balsa expensive Canada least thats reason Jack McGillivray gives Easy B has three wing ribs no stab ribs see photo Chilton building techniques know Stan Chilton aware high level crafts manship models have Behind craftsman ship some unusual improved building practices Motor stick hints motor stick Indoor Rubber models heavier crit ical components After choosing balsa sheet straight uniform grain correct den sity Stan cuts blank wider needed instead using exact width match diameter form bevels edge sheet before soaking water 1/4 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% 174 Model Aviation CAPACITIVE-DISCHARGE IGNITION featuring IBO1lALLX QInlIHLLEfl EABl ADVANCEIII No moving parts No engine modifications Basic unit $ 9995 Opposedcylinder twin $ 11995 Fald BCoiaWadShoe lee
Edition: Model Aviation - 1990/06
Page Numbers: 56, 57, 58, 59, 173, 174
NEW The Westwind Max Mills Models Last months column Tom Thompsons per sonal impressions Maxs Southwind polyhe dral-winged Standard Class Glider month Max himself tells us about straight-wing ver sion called Westwind Westwind designed person has flying entry-level Sailplane has become proficient landing thermaling ready fly new type style model straight wings Westwind designed Bill Liscomb sends two tine photos taken Torrey Pines CA Scale Fun Fly left Dan Troxeil seems justifiably proud V4-scale Grunau Baby built Krick kit right Larry Fogel shows off 1Oyear-oid Schweizer TG-3 built RCM plans Theres lots Information column about ship left new Westwlnd Max Mills Models right Floridas 5rlan Agnew Overkiii Cross-Country ship information both Brians new foam-wing-cutting business months column 56 Model Aviation Radio Control Soaring ByrOn Blakeslee 3134 Winnebago Dr Sedaila CO 80135 group shot Cincinnatti Soaring Society gang taken y ioe Hun ST inc 1989 PumpkIn Fly last October photo sent editor CSS newsletter Chuck Lohr pilot has little no experience aileron-equipped aircraft very positive roll control wing planform model make extremely predictable fly launch portion flight pleasure hair-raising ex perience Westwind based same proven design Southwind shares same rugged fuselage tail assembly desired Southwind fuselage can used Westwind wings speed Westwind slightly faster flaps down same stable con trolled approach landing possible Southwind balsa-sheeted foam cores spruce spars 1A -in steel joiner rod Westwind can launched aggressively winch still very much hi-startable dont need use expensive seven-channel radio fly Westwind computer radio like Airtron ics Vision set coupling flaps elevator aile rons rudder ailerons flaps possible allow easier flying model 'because pilot can couple full-span flaps/ailerons elevator quick turns Westwind makes perfect model compete Scale Glider Components has retract gear units available 1/i -scale sizes Author Byron Blakeslee observes sturdiest retracts available today Sportsman Multi-Taskor practice F3B Speed Distance tasks kind fly ing does suit needs want thermal fly fun fly AMA contests spot landings Westwind model Other specs include Selig 3021 airfoil 104-in span 910-sq-in area 60-oz dry weight 10-in root chord triple-sweptback wing leading edge straight trailing edge price Westwind $12500 plus shipping directly Max Mills Models 3820 Cheraz NE Albuquer que NM 87111 tel 1-505/292-3510 Brian Agnew will remember young man Florida set 1988 Nats its ear winning Two-Meter Standard Unlim ited Hi Johnson Trophy Lee Renaud Tro phy together dad John Lee Montgomery Dan Pruss Memorial Team Tro phy short everything except Scale let us know what up days Brian sent following letter last time wrote mentioned work ing Cross-Country ship Enclosed pic ture Overkill has 160-in wingspan E374 airfoil Bob Sealy X-C fuselage flat center section dihedral tips chord 13 center panel tapering 8 tips Weight FAI max 11 lb vacuum-bagged wings sand wich white foam unidirectional glass % balsa tremendously strong chose balsa sheeting simplicity reasons allowing cover wings MonoKote best thermaling planes Ive ever its 13oz/sq-ft wing loading too light serious X C work next X-C ship will have higher pect ratio wing loading closer 15 oz/sq ft Plus Ill use glass over blue foam no balsa sheeting plan enter Great Race year love X-C racing am really looking forward Just hope have competitive plane Enclosed flyer new custom foamwing-cutting business have computer-stored plots over 80 popular airfoils can cut cores up 15 wide 80 long Conven tional cores full-size construction saddles $45 per set Multipanel wings $2250 per pan el Templates $30 per set root tip Any questions should hesitate give call think would great Brian can make career RC Sailplane business shows hobby growing point can sup port number full-time specialized manufactur ers Readers interested obtaining Brians price Continued page 58 June 1990 57 HARD TO FIND PREMIUM PROBLEM SOLVERS JJ L EREPLACE INTERFERENCE CAUSING STEEL El-CABLE CONTROLS AND RIGGING nA ID B GREAT FOR LONG LEADS AND HIGH #22 SERVO WIRE POWER SERVO SYSTEMS ELECTRONIC MONITOR AND SWiTCHOVER DMIIflIBMIvRfl SYSTEM USEDWITh 2 PACKS IITIU BUSTER 6 CHANNEL OPTO-ISOLATOR AND SIGNAL G LIIfl BOOSTER KILLS GLITCHS DEAD *4CC 444td461e ae ~ ~4z CALL OR WRITE JOMAR PRODUCTS513-474-0985 2028 Knightsbridge Dr Cinti OH 45244 HANDSOFFCUTII Especially Designed Tapered Wings unique device cutting high quality foam wing cores HANDS OFF cutting both sides same time Available hardware package assemble ov own board--Specify 30 40 -50 or 60 ordering Size may changed anytime Man Chord tandard lLager chords availablel Easy assemble Requires 24 Volt Variable Output Power Supply DEALERS WANTED Hands Oft Cut II hardware packagel$8750 S & H 24 Volt Variable Output power supply$6250 v $300 S & H VIDEO FOAM SHOP Foam Shop Part OneCutting Foam Wings hour long cuts made using HANDS OFF CUT II VHSOnly $2995 includes S & H lowe 48 Foam Shop Part TwoCutting Foam Fuselages hour long cuts made using simple bow VHSOnly $2995 includes S & H Ioaer 48 SUPER BOND ACT ADHESIVE best contact cement have ever used Only $375 8 oz squeeze bottle Enoutr 1400 square ncir wingAdd $200 S & H lower 48 1/8 inch Phenolic Board Templates ftOnly 5500 * $200 S & H NOR-RAY PRODUCTS INC 5008 Sandbeach Road VISAWica Fa 5 Tenas 763 0 LJ8176924475 PFjECISION MODEL PRODUCTS Made USA BARSTOCK ALUMINUM SPINNERS Part NoSize TT-150-B .. 11/2 11-175-B .. 13/4 T1-200-8 TT-225-B /4 TT-226-B 114 FAI 11-250-B . TT-251-B . 21/2 FAt fl-275-B 3/4 TT-276-B ..2-3/4 FAt .. TT-300-B 11-301-BFAIl 11325-B 1/4 11-350-8 . 3-1/2 TT-375-B . 3-3/4 11-400-B RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 ox 1695160 oz 1895150 ox 1895190 oz 2095170 ox 2295220 oz 2495200 oz 2695260 ox 2895250 oz 3695340 ox 4995470 ox 5995520 oz 6995570 ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner Part NoSize TT-140-A 4-28 11-147-A .. 1/4-28/7mm . 11-610-A 1Omm TT-710-A . 7x 10mm 11-516-A . 5/16-24 TT-518-A . 5/16-24/8mm TT-810-A x 10mm .. 11-825-A 125mm T1-375-A 8-24 T1-125-A . 125mm RetailApprox PriceWeight $495061 oz 495061 ox 495063 ox 495082 ox 495076 ox 495076 oz 495 . 076 ox 495 . 075 oz 595 117 oz 595 115 ox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 list can sending SASE Brian Ag new 5625 Youngquist Road #22 Ft Myers FL 33912 tel 1-813/433-5910 Scale Glider Components company started Bill Liscomb supply high-quality goodies American Scale fliers Bill has built flown quite few European Scale kits knowl edgeable about what works what doesnt Bills first offering quarter-scale retract unit Hes now filled out line retracts % 1A scale best ones can get sells $50 plus $5 P&H Bills first kit offering beautiful quarterscale DG-202 has gorgeous one-piece gelcoated fuselage wings have foam cores carbon fiber spars sheeted obechi saw Bill fly prototype 89 TRICS Scale Slope Fun Fly very impressed quality workmanship comparable top German products information send SASE SGC 7034 Fern Place Carlsbad CA 92009 tel 1-619/931-1438 Bill also passed along some personal notes big Scale Fun Fly held Torrey Pines last Thanksgiving Torrey Pines Fun Fly blast about 60 pilots registered day brought about 120 models weather var ied rain wind blowing down slope nice soarable least got fly day Sunday afternoon saw largest num ber Power Slope Gliders air time Ive ever seen WW II Korea Vietnam eras represented also modem-day fighters Once about 15 mixing up hot heavy saw Hellcat strike Zero couple times pilot noted kills Scale soarers also well represented Lots big beautiful models vintage WW U trainers combat gliders course modern glass ships Torrey Pines Gulls club put great show deserves lot credit Torrey Pines Flight Park also assisted asking hang gliders turn left after launched helped air traffic problem greatly ridge used people Gulls excited about making 1990 fun fly bigger better will held earlier year over Labor Day weekend Septem ber 1-3 will have banquet big raffle information send SASE Charlie Morey Slope Soaring News 2601 E 19th St #29 Signal Hill CA 90804 Thanks scoop Bill Speaking Slope Soaring News Charlie steadily upgrading very interesting monthly journal Its up 20 pages must read Slope enthusiasts SSN mostiy covers Southern Cal scene Slope flying rapidly gaining popularity na tionwide So youre Torrey Pines Point Fermin regular youll get moneys worth $1595 per year just ads specialized manufacturers kit re views Send subscription check Charlie Morey address shown above Im sure youll like SSNI Bradley Model Products Jim Bradley com petition Free Flight flier youll read letter below much people var ious aspects model plane hobby can learn other Jims letter might think odd Free Flighter would writing editor RC Soaring column need same things build competitive models As strange may sound read specialty columns Mode/ Aviation month usually find something interest Because fly FlA Glid ers RC Sailplanes about close can get still totally different Several friends customers fly Sailplanes get out some Sailplane contests around talk people keep touch what doing am sure aware carbon fiber what valuable building material has become would like make readers aware am source material have selling longer have sizes prices lower other source know En closed latest Product List Application Notes carbon fiber sheet mat handle readers would like copy List Notes ask self-addressed stamped envelope am always available help problems answer letters re ceive am also available evenings weekends should anyone want call As Jim said products mostly geared toward hand-towed Free Flight Gliders applications similar what RC Sailplaners building especially true want build lighter stronger plane Jims value could advising use new unfamiliar exotic materials address Bradley Model Products 1337 Pine Sap Court Orlando FL 32825 tel 1407/277-9132 Model-construction videos first construc tion videos saw put out Bob Dodgson covered tricky bits building Bobs line Gliders also good general tips Definitely worthwhile viewing Now DO Darnell Tulsa has taken idea step further independently producing tapes covering construction popular kits Lets have DO tell us about new venture new company Model Construction Videos MCV will produce videotapes showing construction state-of-the-art competition Sailplane kits purpose tapes let prospective builder see whats involved build ing kit quality materials plans instructions ultimate performance finished product flying sequences will show launch maiden flight in-the-air shots MCV tapes intended both educate entertain idea occurred trying build popular kits become very frustrated trying decode written instructions have computer business have RC Soaring 20 years have seen best worst technical documen tation both fields dawned having trouble following written instructions probably others would have difficult time too Since am experienced builder decided wing through building process put videotape video production process has both educational enjoyable although has taken about three times long estimated complete first project Building Mariab price $2195 plus $350 S&H next tape production scheduled release May 1 Building Falcon 880 hope readers will drop line indicating prefer ences future projects sounds like terrific idea should excellent way newcomers quickiy increase building skills Interested readers can reach 58 Model Aviation PROP NUT ADAPTORS V DO MCV 4227 E 83rd Street Tulsa OK 74137 Speaking Falcon 880 Mark Allen Flite Lite Composites phoned let everyone know catching up orders extremely pop ular kit Photos complete description Falcon October 89 column Falcon winner last years RCSD Challenge select best Glider new Sportsman Multi-Task event Marks classy-looking design sure hit lots folks hot button demand kit has astound ing Mark crew have turned out 250 kits working overtime have backiog down eight weeks March Mark stopped offering preshected-wing ver sion because extra time volved now back line Whats amazing fact Mark said 75% orders presheeted versioneven though price $305 interested dering Falcon should check Mark exact price delivery info Flite Lite Composites PO Box 1493 Windsor CA 95492 tel 1-707/ 838-3390 Ive flying Falcon since January can vouch its sweet flying characteristics launches beautifully both winch hi-stan has good speed range very easy fly its about fun Ive Glider Using Airtronics Vision radio helps too three-position Flight Mode Switch pre sets flaps ailerons down launch Just plane nosed over dive before zoom flick switch puts flaps aile rons back normal positions plane zooms up up away F3B-USA special newsletter fans F3B Sportsman Multi-Task flying objec tive F3B-U SA print latest news detailed information F3B SMT fliers need keep up fast-moving portion sport Subscriptions formerly handled out Irvine CA PO Box since first year editor Randy Reynolds has taken over re sponsibility subscription list Subscrip tions $12 per year six issues Please send check Randy Reynolds 122 E Uintah St Colorado Springs CO 80903 tel 1-719/4713160 sent check Irvine havent re ceived newsletter please check Randy see name somehow missed getting list A/C Soaniug Digest has sold founder editor Jim Gray Jerry Judy Slates Con cord CA Jim former Soaring editor Model Airplane News has publishing RCSD over seven years couple years ago Jim Peggy retired moved New Hampshire Arizona have hoping have time travel relax Judy Slates has setting up RCSD printing over year publishing job will piece cake Jerry recently retired telephone company Hell have time editing chores plus keep turning out excellent line fiber glass fuselages makes under Viking Mod els label have never seen RCSD havent read lately guarantee youll find its interest ing educational read new series Martin Simons began January issue called Understanding Thermal Soaring Sailplanes alone worth price Id recommend new subscribers request subscription start issue complete Simons series obtained Send $17 years subscription Continued page 173 Mere Fun Less Funds ESCAPE SPECIFIC Wing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA forthe FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SF Wing pan65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span6314 inches Wing Area700 square inches Engine Size50-60 Glow 90 four stroke fun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dder Inqurles Invited June 1990 59 Cyclone II will good autorotations stock blades might prefer weighted units wider safety margin PCM 10 has performed flawlessly beginning think youll find new radios will make better pilots out of us see can now truthfully fine-tune Heli copter 1 % time machine can have proper trim hover also best trim forward flight acrobatic compensa tions well fully intend wring Cyclone II PCM 10 Out see just much PCM 10s potential can use meantime has fun project already know feel about JR PCM TO As Cyclone II honest ma chine would hard imagine Helicopter stable easier fly same time Ive flown Excalibur know what good acrobatic capabilities its K-5 rotor head provides Cyclone shares same rotor head Cyclone II definitely adaptable whatever flying style demands kit easy assemble everything high quality ship flies straight out box would hesitate recommend fine products would also like thank Hobby Dynamics letting report Kalt JR products also making available us As time allows will give updates both Kalt JR lines well further experience Cyclone II PCM 10 further information please contact Hobby Dynamics PO Box 3726 Champaign IL 61826-3726 tel 1-800/458-0241 BCNU RC Soaring/Blakeslee Continued page 59 RCSD 2026 Spring Lake Dr Martinez CA 94553 tel1-415/689-0766 Ed Dumas Jr has new design program calls Sailplane Design Program Version 40 IBM-PC what Ed says about program programs menu-driven de signed easy use designed pri manly Sailplane designernot com puter experts analysis given design quick easy performance map can examined screen printed out printer po lar curve plot can generated screen well dot-matrix printer multiple analysis mode allows step either weight center gravity location through range values performance map and/or polar curve can generated automatical ly value can easily generate family maps example showing effects add ing ballast changing CG location As 100 Sailplane designs can saved flop py disk Eds program contains 20 airfoils 10 kit Sailpianes starter designs package $25 ppd 25 pages instructions disk have print out print er Eds address 3220 Boomerang Lane Knox ville TN 37931 Archacopteryx Avion Associates unpro nounceable name Jim Ealys RC Scale Glider business Jim has collecting Scale informa tion long time has lot material good thing enthusiasts looking some esoteric plan three-view gist Jims latest news release Enclosed plans DFS Habitch newsletter concerning 10th anniversary sale Actually have collecting documentation Scale Gliders about 25 years Within about two three months aboat JuneBB will have A-scale plans friend will have -scale fiberglass fuselage Habitch sale plans kits drawn sets full-scale drawings have collected over years highlights offerings 1000 three-views line drawings 50 %- A- -scale plans 25 r documentationsmostly vintage four high-startsheavier rubber walls commercially available parachutetrue ripstop nylon 100lb shroud lines four Scale kits A-scale Tandem Tutor 130-in span 1530 sq -scale Grunau Baby 11107-in span 880 sq A-scale Zogling 102-in span 1376 sq -scale Woodstock 156-in span 1675 sq Jims 10th-anniversary sale price Zog ling kit $15995 $19995 Tutor Baby $25995 Woodstock available August Add $10 kit UPS ship ping illustrated Archacopteryx catalog send $1 plus large SASE Jim Ealy 128 Etra Road Hightstown NJ 08520 tel 1-609/4488726 Club news have recently received newsletters several Soaring clubs new new want pass along information contact person benefit fliers living local areas may wish join alphabet ical order have Bluegrass Soaring Society Lexington KY area Keith Hatfull edits its excellent Aerial Boundaries newsletter can reach Keith $1695Propeller Drill Jigs Ba Self your Ugns existIng prop hole Webre Bully aDolmar Zenom um II SunCraft 1617 loa Tamas AIbuq NM 87102 505-842-9648 June 1990 173 WORLDS BIGGEST SCALE PLANS & DSCSNENTATTSN SENOICE 0 SCALE NObEL PLANS 58000 ASNCtA DACA N.FF0t, NOAI AMA SSIN COEN AS PAGE CATALOGN VSSAS SACO US CAsCA $800 Aj,SiI 0.,. SCALE PLANS nPoroSevce PLANS SULANOING3259 Madison SAS GreSPSAAA NE 27403 SCALE DOCUMENTATION55912i2S23i ie LiTRES 1 N5~MtLLSMETALS BSSKS reets ee1 Four Great Days Oshkosh WI Wlttman Field Over 30 Manufacturers & Dealers Indoors hOME OF TIlE ERA T TIE EAR MUSEUM WUrrMAH puELD KOS ALLY OF GIANTS jggO AIIOCIOU@fl inc Complete Information write CUflCH Bluffs IA 51W3 IiVIAAS 10th ANNIVERSARY FUI4FLY JunO 28-29-30 July 11990 IMAA Sanctioned 107 Wildwood Dr Versailles KY 40383 tel 1606/873-7554 Desert Union Sailplane Thermalists Palm Springs CA DUST rejuvenated club back publishing its Dust Devil newsletter has joined southern California Soaring clubs competition circuit David Hall news letter editor can contacted 3030 Cypress Rd Palm Springs CA 92262 tel 1-619/ 320-58 14 Seattle Area Soaring Society recently re formed club up 50 members going strong Waid Reynolds editor SASS Up draft newsletter can reached 12448 83rd Ave So Seattle WA 98178 tel 1-206/772029 1 SWIFT club Omaha NE area new club organized February has no dues started things off right foot coming AMA chartered club #2749 Its Vis ible Lift newsletter edited Ron Ponec can reached via PO Box 174 Elkhorn NE 68022 always appreciate receiving club newsletters since best way keeping touch whats happening Soaring around country Editors please send home address listed top column Model Aviation editorial offices FF Indoor/Tenny Continued page 73 So what wrong learned good tan rubber seemed to wind ef fectively model still required immensely larger amount power Jims very similar model no clue exact reason High drag After USIC carefully examined model thiniring terms what would ab sorb energy during power burst model trimmed wing very far forward leaving small angular difference between wing stab incidence However repairs early tail boom damage left some positive cidence relative motor stick centerline wing also positive incidence addition model behaved fin area too small pronounced Dutch roll during sev eral phases flight Normal trim accommo date high torque included some left thrust no downthrust significant amount wing offset several degrees washin/washout twist Operation streamline new tail boom fin built fin area concen trated farther aft socket plug-in boom removed reinstalled give slight negative stab incidence allowing wing incidence reduced zero relative stick centerline Virtually washin/washout twist between tip dihedral breaks re moved small equal amount washout put tip prevent possibility tip stall model now climbed cleanly low ceil ings lower torque cruised nose-up titude very slightly lower cruise torque Ready Nats quite Idahos Kibbie Dome could get model higher expense too much rubber climb very clean smooth almost no Dutch roll fact very long heavy loop made scrub big acoustical tiles ceiling lucky get Uiii~ 1/4-SCALE PLANS FROM FACTORY BLUEPRINTS See Scale RIO Modeler October 88 Wing Loading 18 ozs Span 78 inches Weight 825 lbs Area 1053 inches 46-61 2/Cycle Plans rolled manual Spaceman decals $3000 PPD Cowls pants Fiberglass Master Dry Ridge Models 59 McCurry Road704 658-2663 Weaverville NC 28787 back could have lost top tile way out reach dead-sticked prop locked glided 135 total just over eight min utes Now good idea what power use got flight just over 10 minutes ran out time contest ended power going Texas high ceiling 1000 miles away few minutes high-ceiling flying time left 1989 Next chance Johnson City 1990 two possible culprits thick airfoil section center wing props Jim Clem loaned props weighed same Several quick test flights motors documented per formance props showed no major differ ences using Jims prop has wing Tune later see new wing solves problem Balsa expensive Canada least thats reason Jack McGillivray gives Easy B has three wing ribs no stab ribs see photo Chilton building techniques know Stan Chilton aware high level crafts manship models have Behind craftsman ship some unusual improved building practices Motor stick hints motor stick Indoor Rubber models heavier crit ical components After choosing balsa sheet straight uniform grain correct den sity Stan cuts blank wider needed instead using exact width match diameter form bevels edge sheet before soaking water 1/4 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% 174 Model Aviation CAPACITIVE-DISCHARGE IGNITION featuring IBO1lALLX QInlIHLLEfl EABl ADVANCEIII No moving parts No engine modifications Basic unit $ 9995 Opposedcylinder twin $ 11995 Fald BCoiaWadShoe lee
Edition: Model Aviation - 1990/06
Page Numbers: 56, 57, 58, 59, 173, 174
NEW The Westwind Max Mills Models Last months column Tom Thompsons per sonal impressions Maxs Southwind polyhe dral-winged Standard Class Glider month Max himself tells us about straight-wing ver sion called Westwind Westwind designed person has flying entry-level Sailplane has become proficient landing thermaling ready fly new type style model straight wings Westwind designed Bill Liscomb sends two tine photos taken Torrey Pines CA Scale Fun Fly left Dan Troxeil seems justifiably proud V4-scale Grunau Baby built Krick kit right Larry Fogel shows off 1Oyear-oid Schweizer TG-3 built RCM plans Theres lots Information column about ship left new Westwlnd Max Mills Models right Floridas 5rlan Agnew Overkiii Cross-Country ship information both Brians new foam-wing-cutting business months column 56 Model Aviation Radio Control Soaring ByrOn Blakeslee 3134 Winnebago Dr Sedaila CO 80135 group shot Cincinnatti Soaring Society gang taken y ioe Hun ST inc 1989 PumpkIn Fly last October photo sent editor CSS newsletter Chuck Lohr pilot has little no experience aileron-equipped aircraft very positive roll control wing planform model make extremely predictable fly launch portion flight pleasure hair-raising ex perience Westwind based same proven design Southwind shares same rugged fuselage tail assembly desired Southwind fuselage can used Westwind wings speed Westwind slightly faster flaps down same stable con trolled approach landing possible Southwind balsa-sheeted foam cores spruce spars 1A -in steel joiner rod Westwind can launched aggressively winch still very much hi-startable dont need use expensive seven-channel radio fly Westwind computer radio like Airtron ics Vision set coupling flaps elevator aile rons rudder ailerons flaps possible allow easier flying model 'because pilot can couple full-span flaps/ailerons elevator quick turns Westwind makes perfect model compete Scale Glider Components has retract gear units available 1/i -scale sizes Author Byron Blakeslee observes sturdiest retracts available today Sportsman Multi-Taskor practice F3B Speed Distance tasks kind fly ing does suit needs want thermal fly fun fly AMA contests spot landings Westwind model Other specs include Selig 3021 airfoil 104-in span 910-sq-in area 60-oz dry weight 10-in root chord triple-sweptback wing leading edge straight trailing edge price Westwind $12500 plus shipping directly Max Mills Models 3820 Cheraz NE Albuquer que NM 87111 tel 1-505/292-3510 Brian Agnew will remember young man Florida set 1988 Nats its ear winning Two-Meter Standard Unlim ited Hi Johnson Trophy Lee Renaud Tro phy together dad John Lee Montgomery Dan Pruss Memorial Team Tro phy short everything except Scale let us know what up days Brian sent following letter last time wrote mentioned work ing Cross-Country ship Enclosed pic ture Overkill has 160-in wingspan E374 airfoil Bob Sealy X-C fuselage flat center section dihedral tips chord 13 center panel tapering 8 tips Weight FAI max 11 lb vacuum-bagged wings sand wich white foam unidirectional glass % balsa tremendously strong chose balsa sheeting simplicity reasons allowing cover wings MonoKote best thermaling planes Ive ever its 13oz/sq-ft wing loading too light serious X C work next X-C ship will have higher pect ratio wing loading closer 15 oz/sq ft Plus Ill use glass over blue foam no balsa sheeting plan enter Great Race year love X-C racing am really looking forward Just hope have competitive plane Enclosed flyer new custom foamwing-cutting business have computer-stored plots over 80 popular airfoils can cut cores up 15 wide 80 long Conven tional cores full-size construction saddles $45 per set Multipanel wings $2250 per pan el Templates $30 per set root tip Any questions should hesitate give call think would great Brian can make career RC Sailplane business shows hobby growing point can sup port number full-time specialized manufactur ers Readers interested obtaining Brians price Continued page 58 June 1990 57 HARD TO FIND PREMIUM PROBLEM SOLVERS JJ L EREPLACE INTERFERENCE CAUSING STEEL El-CABLE CONTROLS AND RIGGING nA ID B GREAT FOR LONG LEADS AND HIGH #22 SERVO WIRE POWER SERVO SYSTEMS ELECTRONIC MONITOR AND SWiTCHOVER DMIIflIBMIvRfl SYSTEM USEDWITh 2 PACKS IITIU BUSTER 6 CHANNEL OPTO-ISOLATOR AND SIGNAL G LIIfl BOOSTER KILLS GLITCHS DEAD *4CC 444td461e ae ~ ~4z CALL OR WRITE JOMAR PRODUCTS513-474-0985 2028 Knightsbridge Dr Cinti OH 45244 HANDSOFFCUTII Especially Designed Tapered Wings unique device cutting high quality foam wing cores HANDS OFF cutting both sides same time Available hardware package assemble ov own board--Specify 30 40 -50 or 60 ordering Size may changed anytime Man Chord tandard lLager chords availablel Easy assemble Requires 24 Volt Variable Output Power Supply DEALERS WANTED Hands Oft Cut II hardware packagel$8750 S & H 24 Volt Variable Output power supply$6250 v $300 S & H VIDEO FOAM SHOP Foam Shop Part OneCutting Foam Wings hour long cuts made using HANDS OFF CUT II VHSOnly $2995 includes S & H lowe 48 Foam Shop Part TwoCutting Foam Fuselages hour long cuts made using simple bow VHSOnly $2995 includes S & H Ioaer 48 SUPER BOND ACT ADHESIVE best contact cement have ever used Only $375 8 oz squeeze bottle Enoutr 1400 square ncir wingAdd $200 S & H lower 48 1/8 inch Phenolic Board Templates ftOnly 5500 * $200 S & H NOR-RAY PRODUCTS INC 5008 Sandbeach Road VISAWica Fa 5 Tenas 763 0 LJ8176924475 PFjECISION MODEL PRODUCTS Made USA BARSTOCK ALUMINUM SPINNERS Part NoSize TT-150-B .. 11/2 11-175-B .. 13/4 T1-200-8 TT-225-B /4 TT-226-B 114 FAI 11-250-B . TT-251-B . 21/2 FAt fl-275-B 3/4 TT-276-B ..2-3/4 FAt .. TT-300-B 11-301-BFAIl 11325-B 1/4 11-350-8 . 3-1/2 TT-375-B . 3-3/4 11-400-B RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 ox 1695160 oz 1895150 ox 1895190 oz 2095170 ox 2295220 oz 2495200 oz 2695260 ox 2895250 oz 3695340 ox 4995470 ox 5995520 oz 6995570 ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner Part NoSize TT-140-A 4-28 11-147-A .. 1/4-28/7mm . 11-610-A 1Omm TT-710-A . 7x 10mm 11-516-A . 5/16-24 TT-518-A . 5/16-24/8mm TT-810-A x 10mm .. 11-825-A 125mm T1-375-A 8-24 T1-125-A . 125mm RetailApprox PriceWeight $495061 oz 495061 ox 495063 ox 495082 ox 495076 ox 495076 oz 495 . 076 ox 495 . 075 oz 595 117 oz 595 115 ox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 list can sending SASE Brian Ag new 5625 Youngquist Road #22 Ft Myers FL 33912 tel 1-813/433-5910 Scale Glider Components company started Bill Liscomb supply high-quality goodies American Scale fliers Bill has built flown quite few European Scale kits knowl edgeable about what works what doesnt Bills first offering quarter-scale retract unit Hes now filled out line retracts % 1A scale best ones can get sells $50 plus $5 P&H Bills first kit offering beautiful quarterscale DG-202 has gorgeous one-piece gelcoated fuselage wings have foam cores carbon fiber spars sheeted obechi saw Bill fly prototype 89 TRICS Scale Slope Fun Fly very impressed quality workmanship comparable top German products information send SASE SGC 7034 Fern Place Carlsbad CA 92009 tel 1-619/931-1438 Bill also passed along some personal notes big Scale Fun Fly held Torrey Pines last Thanksgiving Torrey Pines Fun Fly blast about 60 pilots registered day brought about 120 models weather var ied rain wind blowing down slope nice soarable least got fly day Sunday afternoon saw largest num ber Power Slope Gliders air time Ive ever seen WW II Korea Vietnam eras represented also modem-day fighters Once about 15 mixing up hot heavy saw Hellcat strike Zero couple times pilot noted kills Scale soarers also well represented Lots big beautiful models vintage WW U trainers combat gliders course modern glass ships Torrey Pines Gulls club put great show deserves lot credit Torrey Pines Flight Park also assisted asking hang gliders turn left after launched helped air traffic problem greatly ridge used people Gulls excited about making 1990 fun fly bigger better will held earlier year over Labor Day weekend Septem ber 1-3 will have banquet big raffle information send SASE Charlie Morey Slope Soaring News 2601 E 19th St #29 Signal Hill CA 90804 Thanks scoop Bill Speaking Slope Soaring News Charlie steadily upgrading very interesting monthly journal Its up 20 pages must read Slope enthusiasts SSN mostiy covers Southern Cal scene Slope flying rapidly gaining popularity na tionwide So youre Torrey Pines Point Fermin regular youll get moneys worth $1595 per year just ads specialized manufacturers kit re views Send subscription check Charlie Morey address shown above Im sure youll like SSNI Bradley Model Products Jim Bradley com petition Free Flight flier youll read letter below much people var ious aspects model plane hobby can learn other Jims letter might think odd Free Flighter would writing editor RC Soaring column need same things build competitive models As strange may sound read specialty columns Mode/ Aviation month usually find something interest Because fly FlA Glid ers RC Sailplanes about close can get still totally different Several friends customers fly Sailplanes get out some Sailplane contests around talk people keep touch what doing am sure aware carbon fiber what valuable building material has become would like make readers aware am source material have selling longer have sizes prices lower other source know En closed latest Product List Application Notes carbon fiber sheet mat handle readers would like copy List Notes ask self-addressed stamped envelope am always available help problems answer letters re ceive am also available evenings weekends should anyone want call As Jim said products mostly geared toward hand-towed Free Flight Gliders applications similar what RC Sailplaners building especially true want build lighter stronger plane Jims value could advising use new unfamiliar exotic materials address Bradley Model Products 1337 Pine Sap Court Orlando FL 32825 tel 1407/277-9132 Model-construction videos first construc tion videos saw put out Bob Dodgson covered tricky bits building Bobs line Gliders also good general tips Definitely worthwhile viewing Now DO Darnell Tulsa has taken idea step further independently producing tapes covering construction popular kits Lets have DO tell us about new venture new company Model Construction Videos MCV will produce videotapes showing construction state-of-the-art competition Sailplane kits purpose tapes let prospective builder see whats involved build ing kit quality materials plans instructions ultimate performance finished product flying sequences will show launch maiden flight in-the-air shots MCV tapes intended both educate entertain idea occurred trying build popular kits become very frustrated trying decode written instructions have computer business have RC Soaring 20 years have seen best worst technical documen tation both fields dawned having trouble following written instructions probably others would have difficult time too Since am experienced builder decided wing through building process put videotape video production process has both educational enjoyable although has taken about three times long estimated complete first project Building Mariab price $2195 plus $350 S&H next tape production scheduled release May 1 Building Falcon 880 hope readers will drop line indicating prefer ences future projects sounds like terrific idea should excellent way newcomers quickiy increase building skills Interested readers can reach 58 Model Aviation PROP NUT ADAPTORS V DO MCV 4227 E 83rd Street Tulsa OK 74137 Speaking Falcon 880 Mark Allen Flite Lite Composites phoned let everyone know catching up orders extremely pop ular kit Photos complete description Falcon October 89 column Falcon winner last years RCSD Challenge select best Glider new Sportsman Multi-Task event Marks classy-looking design sure hit lots folks hot button demand kit has astound ing Mark crew have turned out 250 kits working overtime have backiog down eight weeks March Mark stopped offering preshected-wing ver sion because extra time volved now back line Whats amazing fact Mark said 75% orders presheeted versioneven though price $305 interested dering Falcon should check Mark exact price delivery info Flite Lite Composites PO Box 1493 Windsor CA 95492 tel 1-707/ 838-3390 Ive flying Falcon since January can vouch its sweet flying characteristics launches beautifully both winch hi-stan has good speed range very easy fly its about fun Ive Glider Using Airtronics Vision radio helps too three-position Flight Mode Switch pre sets flaps ailerons down launch Just plane nosed over dive before zoom flick switch puts flaps aile rons back normal positions plane zooms up up away F3B-USA special newsletter fans F3B Sportsman Multi-Task flying objec tive F3B-U SA print latest news detailed information F3B SMT fliers need keep up fast-moving portion sport Subscriptions formerly handled out Irvine CA PO Box since first year editor Randy Reynolds has taken over re sponsibility subscription list Subscrip tions $12 per year six issues Please send check Randy Reynolds 122 E Uintah St Colorado Springs CO 80903 tel 1-719/4713160 sent check Irvine havent re ceived newsletter please check Randy see name somehow missed getting list A/C Soaniug Digest has sold founder editor Jim Gray Jerry Judy Slates Con cord CA Jim former Soaring editor Model Airplane News has publishing RCSD over seven years couple years ago Jim Peggy retired moved New Hampshire Arizona have hoping have time travel relax Judy Slates has setting up RCSD printing over year publishing job will piece cake Jerry recently retired telephone company Hell have time editing chores plus keep turning out excellent line fiber glass fuselages makes under Viking Mod els label have never seen RCSD havent read lately guarantee youll find its interest ing educational read new series Martin Simons began January issue called Understanding Thermal Soaring Sailplanes alone worth price Id recommend new subscribers request subscription start issue complete Simons series obtained Send $17 years subscription Continued page 173 Mere Fun Less Funds ESCAPE SPECIFIC Wing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA forthe FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SF Wing pan65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span6314 inches Wing Area700 square inches Engine Size50-60 Glow 90 four stroke fun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dder Inqurles Invited June 1990 59 Cyclone II will good autorotations stock blades might prefer weighted units wider safety margin PCM 10 has performed flawlessly beginning think youll find new radios will make better pilots out of us see can now truthfully fine-tune Heli copter 1 % time machine can have proper trim hover also best trim forward flight acrobatic compensa tions well fully intend wring Cyclone II PCM 10 Out see just much PCM 10s potential can use meantime has fun project already know feel about JR PCM TO As Cyclone II honest ma chine would hard imagine Helicopter stable easier fly same time Ive flown Excalibur know what good acrobatic capabilities its K-5 rotor head provides Cyclone shares same rotor head Cyclone II definitely adaptable whatever flying style demands kit easy assemble everything high quality ship flies straight out box would hesitate recommend fine products would also like thank Hobby Dynamics letting report Kalt JR products also making available us As time allows will give updates both Kalt JR lines well further experience Cyclone II PCM 10 further information please contact Hobby Dynamics PO Box 3726 Champaign IL 61826-3726 tel 1-800/458-0241 BCNU RC Soaring/Blakeslee Continued page 59 RCSD 2026 Spring Lake Dr Martinez CA 94553 tel1-415/689-0766 Ed Dumas Jr has new design program calls Sailplane Design Program Version 40 IBM-PC what Ed says about program programs menu-driven de signed easy use designed pri manly Sailplane designernot com puter experts analysis given design quick easy performance map can examined screen printed out printer po lar curve plot can generated screen well dot-matrix printer multiple analysis mode allows step either weight center gravity location through range values performance map and/or polar curve can generated automatical ly value can easily generate family maps example showing effects add ing ballast changing CG location As 100 Sailplane designs can saved flop py disk Eds program contains 20 airfoils 10 kit Sailpianes starter designs package $25 ppd 25 pages instructions disk have print out print er Eds address 3220 Boomerang Lane Knox ville TN 37931 Archacopteryx Avion Associates unpro nounceable name Jim Ealys RC Scale Glider business Jim has collecting Scale informa tion long time has lot material good thing enthusiasts looking some esoteric plan three-view gist Jims latest news release Enclosed plans DFS Habitch newsletter concerning 10th anniversary sale Actually have collecting documentation Scale Gliders about 25 years Within about two three months aboat JuneBB will have A-scale plans friend will have -scale fiberglass fuselage Habitch sale plans kits drawn sets full-scale drawings have collected over years highlights offerings 1000 three-views line drawings 50 %- A- -scale plans 25 r documentationsmostly vintage four high-startsheavier rubber walls commercially available parachutetrue ripstop nylon 100lb shroud lines four Scale kits A-scale Tandem Tutor 130-in span 1530 sq -scale Grunau Baby 11107-in span 880 sq A-scale Zogling 102-in span 1376 sq -scale Woodstock 156-in span 1675 sq Jims 10th-anniversary sale price Zog ling kit $15995 $19995 Tutor Baby $25995 Woodstock available August Add $10 kit UPS ship ping illustrated Archacopteryx catalog send $1 plus large SASE Jim Ealy 128 Etra Road Hightstown NJ 08520 tel 1-609/4488726 Club news have recently received newsletters several Soaring clubs new new want pass along information contact person benefit fliers living local areas may wish join alphabet ical order have Bluegrass Soaring Society Lexington KY area Keith Hatfull edits its excellent Aerial Boundaries newsletter can reach Keith $1695Propeller Drill Jigs Ba Self your Ugns existIng prop hole Webre Bully aDolmar Zenom um II SunCraft 1617 loa Tamas AIbuq NM 87102 505-842-9648 June 1990 173 WORLDS BIGGEST SCALE PLANS & DSCSNENTATTSN SENOICE 0 SCALE NObEL PLANS 58000 ASNCtA DACA N.FF0t, NOAI AMA SSIN COEN AS PAGE CATALOGN VSSAS SACO US CAsCA $800 Aj,SiI 0.,. SCALE PLANS nPoroSevce PLANS SULANOING3259 Madison SAS GreSPSAAA NE 27403 SCALE DOCUMENTATION55912i2S23i ie LiTRES 1 N5~MtLLSMETALS BSSKS reets ee1 Four Great Days Oshkosh WI Wlttman Field Over 30 Manufacturers & Dealers Indoors hOME OF TIlE ERA T TIE EAR MUSEUM WUrrMAH puELD KOS ALLY OF GIANTS jggO AIIOCIOU@fl inc Complete Information write CUflCH Bluffs IA 51W3 IiVIAAS 10th ANNIVERSARY FUI4FLY JunO 28-29-30 July 11990 IMAA Sanctioned 107 Wildwood Dr Versailles KY 40383 tel 1606/873-7554 Desert Union Sailplane Thermalists Palm Springs CA DUST rejuvenated club back publishing its Dust Devil newsletter has joined southern California Soaring clubs competition circuit David Hall news letter editor can contacted 3030 Cypress Rd Palm Springs CA 92262 tel 1-619/ 320-58 14 Seattle Area Soaring Society recently re formed club up 50 members going strong Waid Reynolds editor SASS Up draft newsletter can reached 12448 83rd Ave So Seattle WA 98178 tel 1-206/772029 1 SWIFT club Omaha NE area new club organized February has no dues started things off right foot coming AMA chartered club #2749 Its Vis ible Lift newsletter edited Ron Ponec can reached via PO Box 174 Elkhorn NE 68022 always appreciate receiving club newsletters since best way keeping touch whats happening Soaring around country Editors please send home address listed top column Model Aviation editorial offices FF Indoor/Tenny Continued page 73 So what wrong learned good tan rubber seemed to wind ef fectively model still required immensely larger amount power Jims very similar model no clue exact reason High drag After USIC carefully examined model thiniring terms what would ab sorb energy during power burst model trimmed wing very far forward leaving small angular difference between wing stab incidence However repairs early tail boom damage left some positive cidence relative motor stick centerline wing also positive incidence addition model behaved fin area too small pronounced Dutch roll during sev eral phases flight Normal trim accommo date high torque included some left thrust no downthrust significant amount wing offset several degrees washin/washout twist Operation streamline new tail boom fin built fin area concen trated farther aft socket plug-in boom removed reinstalled give slight negative stab incidence allowing wing incidence reduced zero relative stick centerline Virtually washin/washout twist between tip dihedral breaks re moved small equal amount washout put tip prevent possibility tip stall model now climbed cleanly low ceil ings lower torque cruised nose-up titude very slightly lower cruise torque Ready Nats quite Idahos Kibbie Dome could get model higher expense too much rubber climb very clean smooth almost no Dutch roll fact very long heavy loop made scrub big acoustical tiles ceiling lucky get Uiii~ 1/4-SCALE PLANS FROM FACTORY BLUEPRINTS See Scale RIO Modeler October 88 Wing Loading 18 ozs Span 78 inches Weight 825 lbs Area 1053 inches 46-61 2/Cycle Plans rolled manual Spaceman decals $3000 PPD Cowls pants Fiberglass Master Dry Ridge Models 59 McCurry Road704 658-2663 Weaverville NC 28787 back could have lost top tile way out reach dead-sticked prop locked glided 135 total just over eight min utes Now good idea what power use got flight just over 10 minutes ran out time contest ended power going Texas high ceiling 1000 miles away few minutes high-ceiling flying time left 1989 Next chance Johnson City 1990 two possible culprits thick airfoil section center wing props Jim Clem loaned props weighed same Several quick test flights motors documented per formance props showed no major differ ences using Jims prop has wing Tune later see new wing solves problem Balsa expensive Canada least thats reason Jack McGillivray gives Easy B has three wing ribs no stab ribs see photo Chilton building techniques know Stan Chilton aware high level crafts manship models have Behind craftsman ship some unusual improved building practices Motor stick hints motor stick Indoor Rubber models heavier crit ical components After choosing balsa sheet straight uniform grain correct den sity Stan cuts blank wider needed instead using exact width match diameter form bevels edge sheet before soaking water 1/4 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% 174 Model Aviation CAPACITIVE-DISCHARGE IGNITION featuring IBO1lALLX QInlIHLLEfl EABl ADVANCEIII No moving parts No engine modifications Basic unit $ 9995 Opposedcylinder twin $ 11995 Fald BCoiaWadShoe lee
Edition: Model Aviation - 1990/06
Page Numbers: 56, 57, 58, 59, 173, 174
NEW The Westwind Max Mills Models Last months column Tom Thompsons per sonal impressions Maxs Southwind polyhe dral-winged Standard Class Glider month Max himself tells us about straight-wing ver sion called Westwind Westwind designed person has flying entry-level Sailplane has become proficient landing thermaling ready fly new type style model straight wings Westwind designed Bill Liscomb sends two tine photos taken Torrey Pines CA Scale Fun Fly left Dan Troxeil seems justifiably proud V4-scale Grunau Baby built Krick kit right Larry Fogel shows off 1Oyear-oid Schweizer TG-3 built RCM plans Theres lots Information column about ship left new Westwlnd Max Mills Models right Floridas 5rlan Agnew Overkiii Cross-Country ship information both Brians new foam-wing-cutting business months column 56 Model Aviation Radio Control Soaring ByrOn Blakeslee 3134 Winnebago Dr Sedaila CO 80135 group shot Cincinnatti Soaring Society gang taken y ioe Hun ST inc 1989 PumpkIn Fly last October photo sent editor CSS newsletter Chuck Lohr pilot has little no experience aileron-equipped aircraft very positive roll control wing planform model make extremely predictable fly launch portion flight pleasure hair-raising ex perience Westwind based same proven design Southwind shares same rugged fuselage tail assembly desired Southwind fuselage can used Westwind wings speed Westwind slightly faster flaps down same stable con trolled approach landing possible Southwind balsa-sheeted foam cores spruce spars 1A -in steel joiner rod Westwind can launched aggressively winch still very much hi-startable dont need use expensive seven-channel radio fly Westwind computer radio like Airtron ics Vision set coupling flaps elevator aile rons rudder ailerons flaps possible allow easier flying model 'because pilot can couple full-span flaps/ailerons elevator quick turns Westwind makes perfect model compete Scale Glider Components has retract gear units available 1/i -scale sizes Author Byron Blakeslee observes sturdiest retracts available today Sportsman Multi-Taskor practice F3B Speed Distance tasks kind fly ing does suit needs want thermal fly fun fly AMA contests spot landings Westwind model Other specs include Selig 3021 airfoil 104-in span 910-sq-in area 60-oz dry weight 10-in root chord triple-sweptback wing leading edge straight trailing edge price Westwind $12500 plus shipping directly Max Mills Models 3820 Cheraz NE Albuquer que NM 87111 tel 1-505/292-3510 Brian Agnew will remember young man Florida set 1988 Nats its ear winning Two-Meter Standard Unlim ited Hi Johnson Trophy Lee Renaud Tro phy together dad John Lee Montgomery Dan Pruss Memorial Team Tro phy short everything except Scale let us know what up days Brian sent following letter last time wrote mentioned work ing Cross-Country ship Enclosed pic ture Overkill has 160-in wingspan E374 airfoil Bob Sealy X-C fuselage flat center section dihedral tips chord 13 center panel tapering 8 tips Weight FAI max 11 lb vacuum-bagged wings sand wich white foam unidirectional glass % balsa tremendously strong chose balsa sheeting simplicity reasons allowing cover wings MonoKote best thermaling planes Ive ever its 13oz/sq-ft wing loading too light serious X C work next X-C ship will have higher pect ratio wing loading closer 15 oz/sq ft Plus Ill use glass over blue foam no balsa sheeting plan enter Great Race year love X-C racing am really looking forward Just hope have competitive plane Enclosed flyer new custom foamwing-cutting business have computer-stored plots over 80 popular airfoils can cut cores up 15 wide 80 long Conven tional cores full-size construction saddles $45 per set Multipanel wings $2250 per pan el Templates $30 per set root tip Any questions should hesitate give call think would great Brian can make career RC Sailplane business shows hobby growing point can sup port number full-time specialized manufactur ers Readers interested obtaining Brians price Continued page 58 June 1990 57 HARD TO FIND PREMIUM PROBLEM SOLVERS JJ L EREPLACE INTERFERENCE CAUSING STEEL El-CABLE CONTROLS AND RIGGING nA ID B GREAT FOR LONG LEADS AND HIGH #22 SERVO WIRE POWER SERVO SYSTEMS ELECTRONIC MONITOR AND SWiTCHOVER DMIIflIBMIvRfl SYSTEM USEDWITh 2 PACKS IITIU BUSTER 6 CHANNEL OPTO-ISOLATOR AND SIGNAL G LIIfl BOOSTER KILLS GLITCHS DEAD *4CC 444td461e ae ~ ~4z CALL OR WRITE JOMAR PRODUCTS513-474-0985 2028 Knightsbridge Dr Cinti OH 45244 HANDSOFFCUTII Especially Designed Tapered Wings unique device cutting high quality foam wing cores HANDS OFF cutting both sides same time Available hardware package assemble ov own board--Specify 30 40 -50 or 60 ordering Size may changed anytime Man Chord tandard lLager chords availablel Easy assemble Requires 24 Volt Variable Output Power Supply DEALERS WANTED Hands Oft Cut II hardware packagel$8750 S & H 24 Volt Variable Output power supply$6250 v $300 S & H VIDEO FOAM SHOP Foam Shop Part OneCutting Foam Wings hour long cuts made using HANDS OFF CUT II VHSOnly $2995 includes S & H lowe 48 Foam Shop Part TwoCutting Foam Fuselages hour long cuts made using simple bow VHSOnly $2995 includes S & H Ioaer 48 SUPER BOND ACT ADHESIVE best contact cement have ever used Only $375 8 oz squeeze bottle Enoutr 1400 square ncir wingAdd $200 S & H lower 48 1/8 inch Phenolic Board Templates ftOnly 5500 * $200 S & H NOR-RAY PRODUCTS INC 5008 Sandbeach Road VISAWica Fa 5 Tenas 763 0 LJ8176924475 PFjECISION MODEL PRODUCTS Made USA BARSTOCK ALUMINUM SPINNERS Part NoSize TT-150-B .. 11/2 11-175-B .. 13/4 T1-200-8 TT-225-B /4 TT-226-B 114 FAI 11-250-B . TT-251-B . 21/2 FAt fl-275-B 3/4 TT-276-B ..2-3/4 FAt .. TT-300-B 11-301-BFAIl 11325-B 1/4 11-350-8 . 3-1/2 TT-375-B . 3-3/4 11-400-B RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 ox 1695160 oz 1895150 ox 1895190 oz 2095170 ox 2295220 oz 2495200 oz 2695260 ox 2895250 oz 3695340 ox 4995470 ox 5995520 oz 6995570 ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner Part NoSize TT-140-A 4-28 11-147-A .. 1/4-28/7mm . 11-610-A 1Omm TT-710-A . 7x 10mm 11-516-A . 5/16-24 TT-518-A . 5/16-24/8mm TT-810-A x 10mm .. 11-825-A 125mm T1-375-A 8-24 T1-125-A . 125mm RetailApprox PriceWeight $495061 oz 495061 ox 495063 ox 495082 ox 495076 ox 495076 oz 495 . 076 ox 495 . 075 oz 595 117 oz 595 115 ox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 list can sending SASE Brian Ag new 5625 Youngquist Road #22 Ft Myers FL 33912 tel 1-813/433-5910 Scale Glider Components company started Bill Liscomb supply high-quality goodies American Scale fliers Bill has built flown quite few European Scale kits knowl edgeable about what works what doesnt Bills first offering quarter-scale retract unit Hes now filled out line retracts % 1A scale best ones can get sells $50 plus $5 P&H Bills first kit offering beautiful quarterscale DG-202 has gorgeous one-piece gelcoated fuselage wings have foam cores carbon fiber spars sheeted obechi saw Bill fly prototype 89 TRICS Scale Slope Fun Fly very impressed quality workmanship comparable top German products information send SASE SGC 7034 Fern Place Carlsbad CA 92009 tel 1-619/931-1438 Bill also passed along some personal notes big Scale Fun Fly held Torrey Pines last Thanksgiving Torrey Pines Fun Fly blast about 60 pilots registered day brought about 120 models weather var ied rain wind blowing down slope nice soarable least got fly day Sunday afternoon saw largest num ber Power Slope Gliders air time Ive ever seen WW II Korea Vietnam eras represented also modem-day fighters Once about 15 mixing up hot heavy saw Hellcat strike Zero couple times pilot noted kills Scale soarers also well represented Lots big beautiful models vintage WW U trainers combat gliders course modern glass ships Torrey Pines Gulls club put great show deserves lot credit Torrey Pines Flight Park also assisted asking hang gliders turn left after launched helped air traffic problem greatly ridge used people Gulls excited about making 1990 fun fly bigger better will held earlier year over Labor Day weekend Septem ber 1-3 will have banquet big raffle information send SASE Charlie Morey Slope Soaring News 2601 E 19th St #29 Signal Hill CA 90804 Thanks scoop Bill Speaking Slope Soaring News Charlie steadily upgrading very interesting monthly journal Its up 20 pages must read Slope enthusiasts SSN mostiy covers Southern Cal scene Slope flying rapidly gaining popularity na tionwide So youre Torrey Pines Point Fermin regular youll get moneys worth $1595 per year just ads specialized manufacturers kit re views Send subscription check Charlie Morey address shown above Im sure youll like SSNI Bradley Model Products Jim Bradley com petition Free Flight flier youll read letter below much people var ious aspects model plane hobby can learn other Jims letter might think odd Free Flighter would writing editor RC Soaring column need same things build competitive models As strange may sound read specialty columns Mode/ Aviation month usually find something interest Because fly FlA Glid ers RC Sailplanes about close can get still totally different Several friends customers fly Sailplanes get out some Sailplane contests around talk people keep touch what doing am sure aware carbon fiber what valuable building material has become would like make readers aware am source material have selling longer have sizes prices lower other source know En closed latest Product List Application Notes carbon fiber sheet mat handle readers would like copy List Notes ask self-addressed stamped envelope am always available help problems answer letters re ceive am also available evenings weekends should anyone want call As Jim said products mostly geared toward hand-towed Free Flight Gliders applications similar what RC Sailplaners building especially true want build lighter stronger plane Jims value could advising use new unfamiliar exotic materials address Bradley Model Products 1337 Pine Sap Court Orlando FL 32825 tel 1407/277-9132 Model-construction videos first construc tion videos saw put out Bob Dodgson covered tricky bits building Bobs line Gliders also good general tips Definitely worthwhile viewing Now DO Darnell Tulsa has taken idea step further independently producing tapes covering construction popular kits Lets have DO tell us about new venture new company Model Construction Videos MCV will produce videotapes showing construction state-of-the-art competition Sailplane kits purpose tapes let prospective builder see whats involved build ing kit quality materials plans instructions ultimate performance finished product flying sequences will show launch maiden flight in-the-air shots MCV tapes intended both educate entertain idea occurred trying build popular kits become very frustrated trying decode written instructions have computer business have RC Soaring 20 years have seen best worst technical documen tation both fields dawned having trouble following written instructions probably others would have difficult time too Since am experienced builder decided wing through building process put videotape video production process has both educational enjoyable although has taken about three times long estimated complete first project Building Mariab price $2195 plus $350 S&H next tape production scheduled release May 1 Building Falcon 880 hope readers will drop line indicating prefer ences future projects sounds like terrific idea should excellent way newcomers quickiy increase building skills Interested readers can reach 58 Model Aviation PROP NUT ADAPTORS V DO MCV 4227 E 83rd Street Tulsa OK 74137 Speaking Falcon 880 Mark Allen Flite Lite Composites phoned let everyone know catching up orders extremely pop ular kit Photos complete description Falcon October 89 column Falcon winner last years RCSD Challenge select best Glider new Sportsman Multi-Task event Marks classy-looking design sure hit lots folks hot button demand kit has astound ing Mark crew have turned out 250 kits working overtime have backiog down eight weeks March Mark stopped offering preshected-wing ver sion because extra time volved now back line Whats amazing fact Mark said 75% orders presheeted versioneven though price $305 interested dering Falcon should check Mark exact price delivery info Flite Lite Composites PO Box 1493 Windsor CA 95492 tel 1-707/ 838-3390 Ive flying Falcon since January can vouch its sweet flying characteristics launches beautifully both winch hi-stan has good speed range very easy fly its about fun Ive Glider Using Airtronics Vision radio helps too three-position Flight Mode Switch pre sets flaps ailerons down launch Just plane nosed over dive before zoom flick switch puts flaps aile rons back normal positions plane zooms up up away F3B-USA special newsletter fans F3B Sportsman Multi-Task flying objec tive F3B-U SA print latest news detailed information F3B SMT fliers need keep up fast-moving portion sport Subscriptions formerly handled out Irvine CA PO Box since first year editor Randy Reynolds has taken over re sponsibility subscription list Subscrip tions $12 per year six issues Please send check Randy Reynolds 122 E Uintah St Colorado Springs CO 80903 tel 1-719/4713160 sent check Irvine havent re ceived newsletter please check Randy see name somehow missed getting list A/C Soaniug Digest has sold founder editor Jim Gray Jerry Judy Slates Con cord CA Jim former Soaring editor Model Airplane News has publishing RCSD over seven years couple years ago Jim Peggy retired moved New Hampshire Arizona have hoping have time travel relax Judy Slates has setting up RCSD printing over year publishing job will piece cake Jerry recently retired telephone company Hell have time editing chores plus keep turning out excellent line fiber glass fuselages makes under Viking Mod els label have never seen RCSD havent read lately guarantee youll find its interest ing educational read new series Martin Simons began January issue called Understanding Thermal Soaring Sailplanes alone worth price Id recommend new subscribers request subscription start issue complete Simons series obtained Send $17 years subscription Continued page 173 Mere Fun Less Funds ESCAPE SPECIFIC Wing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA forthe FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SF Wing pan65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span6314 inches Wing Area700 square inches Engine Size50-60 Glow 90 four stroke fun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dder Inqurles Invited June 1990 59 Cyclone II will good autorotations stock blades might prefer weighted units wider safety margin PCM 10 has performed flawlessly beginning think youll find new radios will make better pilots out of us see can now truthfully fine-tune Heli copter 1 % time machine can have proper trim hover also best trim forward flight acrobatic compensa tions well fully intend wring Cyclone II PCM 10 Out see just much PCM 10s potential can use meantime has fun project already know feel about JR PCM TO As Cyclone II honest ma chine would hard imagine Helicopter stable easier fly same time Ive flown Excalibur know what good acrobatic capabilities its K-5 rotor head provides Cyclone shares same rotor head Cyclone II definitely adaptable whatever flying style demands kit easy assemble everything high quality ship flies straight out box would hesitate recommend fine products would also like thank Hobby Dynamics letting report Kalt JR products also making available us As time allows will give updates both Kalt JR lines well further experience Cyclone II PCM 10 further information please contact Hobby Dynamics PO Box 3726 Champaign IL 61826-3726 tel 1-800/458-0241 BCNU RC Soaring/Blakeslee Continued page 59 RCSD 2026 Spring Lake Dr Martinez CA 94553 tel1-415/689-0766 Ed Dumas Jr has new design program calls Sailplane Design Program Version 40 IBM-PC what Ed says about program programs menu-driven de signed easy use designed pri manly Sailplane designernot com puter experts analysis given design quick easy performance map can examined screen printed out printer po lar curve plot can generated screen well dot-matrix printer multiple analysis mode allows step either weight center gravity location through range values performance map and/or polar curve can generated automatical ly value can easily generate family maps example showing effects add ing ballast changing CG location As 100 Sailplane designs can saved flop py disk Eds program contains 20 airfoils 10 kit Sailpianes starter designs package $25 ppd 25 pages instructions disk have print out print er Eds address 3220 Boomerang Lane Knox ville TN 37931 Archacopteryx Avion Associates unpro nounceable name Jim Ealys RC Scale Glider business Jim has collecting Scale informa tion long time has lot material good thing enthusiasts looking some esoteric plan three-view gist Jims latest news release Enclosed plans DFS Habitch newsletter concerning 10th anniversary sale Actually have collecting documentation Scale Gliders about 25 years Within about two three months aboat JuneBB will have A-scale plans friend will have -scale fiberglass fuselage Habitch sale plans kits drawn sets full-scale drawings have collected over years highlights offerings 1000 three-views line drawings 50 %- A- -scale plans 25 r documentationsmostly vintage four high-startsheavier rubber walls commercially available parachutetrue ripstop nylon 100lb shroud lines four Scale kits A-scale Tandem Tutor 130-in span 1530 sq -scale Grunau Baby 11107-in span 880 sq A-scale Zogling 102-in span 1376 sq -scale Woodstock 156-in span 1675 sq Jims 10th-anniversary sale price Zog ling kit $15995 $19995 Tutor Baby $25995 Woodstock available August Add $10 kit UPS ship ping illustrated Archacopteryx catalog send $1 plus large SASE Jim Ealy 128 Etra Road Hightstown NJ 08520 tel 1-609/4488726 Club news have recently received newsletters several Soaring clubs new new want pass along information contact person benefit fliers living local areas may wish join alphabet ical order have Bluegrass Soaring Society Lexington KY area Keith Hatfull edits its excellent Aerial Boundaries newsletter can reach Keith $1695Propeller Drill Jigs Ba Self your Ugns existIng prop hole Webre Bully aDolmar Zenom um II SunCraft 1617 loa Tamas AIbuq NM 87102 505-842-9648 June 1990 173 WORLDS BIGGEST SCALE PLANS & DSCSNENTATTSN SENOICE 0 SCALE NObEL PLANS 58000 ASNCtA DACA N.FF0t, NOAI AMA SSIN COEN AS PAGE CATALOGN VSSAS SACO US CAsCA $800 Aj,SiI 0.,. SCALE PLANS nPoroSevce PLANS SULANOING3259 Madison SAS GreSPSAAA NE 27403 SCALE DOCUMENTATION55912i2S23i ie LiTRES 1 N5~MtLLSMETALS BSSKS reets ee1 Four Great Days Oshkosh WI Wlttman Field Over 30 Manufacturers & Dealers Indoors hOME OF TIlE ERA T TIE EAR MUSEUM WUrrMAH puELD KOS ALLY OF GIANTS jggO AIIOCIOU@fl inc Complete Information write CUflCH Bluffs IA 51W3 IiVIAAS 10th ANNIVERSARY FUI4FLY JunO 28-29-30 July 11990 IMAA Sanctioned 107 Wildwood Dr Versailles KY 40383 tel 1606/873-7554 Desert Union Sailplane Thermalists Palm Springs CA DUST rejuvenated club back publishing its Dust Devil newsletter has joined southern California Soaring clubs competition circuit David Hall news letter editor can contacted 3030 Cypress Rd Palm Springs CA 92262 tel 1-619/ 320-58 14 Seattle Area Soaring Society recently re formed club up 50 members going strong Waid Reynolds editor SASS Up draft newsletter can reached 12448 83rd Ave So Seattle WA 98178 tel 1-206/772029 1 SWIFT club Omaha NE area new club organized February has no dues started things off right foot coming AMA chartered club #2749 Its Vis ible Lift newsletter edited Ron Ponec can reached via PO Box 174 Elkhorn NE 68022 always appreciate receiving club newsletters since best way keeping touch whats happening Soaring around country Editors please send home address listed top column Model Aviation editorial offices FF Indoor/Tenny Continued page 73 So what wrong learned good tan rubber seemed to wind ef fectively model still required immensely larger amount power Jims very similar model no clue exact reason High drag After USIC carefully examined model thiniring terms what would ab sorb energy during power burst model trimmed wing very far forward leaving small angular difference between wing stab incidence However repairs early tail boom damage left some positive cidence relative motor stick centerline wing also positive incidence addition model behaved fin area too small pronounced Dutch roll during sev eral phases flight Normal trim accommo date high torque included some left thrust no downthrust significant amount wing offset several degrees washin/washout twist Operation streamline new tail boom fin built fin area concen trated farther aft socket plug-in boom removed reinstalled give slight negative stab incidence allowing wing incidence reduced zero relative stick centerline Virtually washin/washout twist between tip dihedral breaks re moved small equal amount washout put tip prevent possibility tip stall model now climbed cleanly low ceil ings lower torque cruised nose-up titude very slightly lower cruise torque Ready Nats quite Idahos Kibbie Dome could get model higher expense too much rubber climb very clean smooth almost no Dutch roll fact very long heavy loop made scrub big acoustical tiles ceiling lucky get Uiii~ 1/4-SCALE PLANS FROM FACTORY BLUEPRINTS See Scale RIO Modeler October 88 Wing Loading 18 ozs Span 78 inches Weight 825 lbs Area 1053 inches 46-61 2/Cycle Plans rolled manual Spaceman decals $3000 PPD Cowls pants Fiberglass Master Dry Ridge Models 59 McCurry Road704 658-2663 Weaverville NC 28787 back could have lost top tile way out reach dead-sticked prop locked glided 135 total just over eight min utes Now good idea what power use got flight just over 10 minutes ran out time contest ended power going Texas high ceiling 1000 miles away few minutes high-ceiling flying time left 1989 Next chance Johnson City 1990 two possible culprits thick airfoil section center wing props Jim Clem loaned props weighed same Several quick test flights motors documented per formance props showed no major differ ences using Jims prop has wing Tune later see new wing solves problem Balsa expensive Canada least thats reason Jack McGillivray gives Easy B has three wing ribs no stab ribs see photo Chilton building techniques know Stan Chilton aware high level crafts manship models have Behind craftsman ship some unusual improved building practices Motor stick hints motor stick Indoor Rubber models heavier crit ical components After choosing balsa sheet straight uniform grain correct den sity Stan cuts blank wider needed instead using exact width match diameter form bevels edge sheet before soaking water 1/4 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% 174 Model Aviation CAPACITIVE-DISCHARGE IGNITION featuring IBO1lALLX QInlIHLLEfl EABl ADVANCEIII No moving parts No engine modifications Basic unit $ 9995 Opposedcylinder twin $ 11995 Fald BCoiaWadShoe lee
Edition: Model Aviation - 1990/06
Page Numbers: 56, 57, 58, 59, 173, 174
NEW The Westwind Max Mills Models Last months column Tom Thompsons per sonal impressions Maxs Southwind polyhe dral-winged Standard Class Glider month Max himself tells us about straight-wing ver sion called Westwind Westwind designed person has flying entry-level Sailplane has become proficient landing thermaling ready fly new type style model straight wings Westwind designed Bill Liscomb sends two tine photos taken Torrey Pines CA Scale Fun Fly left Dan Troxeil seems justifiably proud V4-scale Grunau Baby built Krick kit right Larry Fogel shows off 1Oyear-oid Schweizer TG-3 built RCM plans Theres lots Information column about ship left new Westwlnd Max Mills Models right Floridas 5rlan Agnew Overkiii Cross-Country ship information both Brians new foam-wing-cutting business months column 56 Model Aviation Radio Control Soaring ByrOn Blakeslee 3134 Winnebago Dr Sedaila CO 80135 group shot Cincinnatti Soaring Society gang taken y ioe Hun ST inc 1989 PumpkIn Fly last October photo sent editor CSS newsletter Chuck Lohr pilot has little no experience aileron-equipped aircraft very positive roll control wing planform model make extremely predictable fly launch portion flight pleasure hair-raising ex perience Westwind based same proven design Southwind shares same rugged fuselage tail assembly desired Southwind fuselage can used Westwind wings speed Westwind slightly faster flaps down same stable con trolled approach landing possible Southwind balsa-sheeted foam cores spruce spars 1A -in steel joiner rod Westwind can launched aggressively winch still very much hi-startable dont need use expensive seven-channel radio fly Westwind computer radio like Airtron ics Vision set coupling flaps elevator aile rons rudder ailerons flaps possible allow easier flying model 'because pilot can couple full-span flaps/ailerons elevator quick turns Westwind makes perfect model compete Scale Glider Components has retract gear units available 1/i -scale sizes Author Byron Blakeslee observes sturdiest retracts available today Sportsman Multi-Taskor practice F3B Speed Distance tasks kind fly ing does suit needs want thermal fly fun fly AMA contests spot landings Westwind model Other specs include Selig 3021 airfoil 104-in span 910-sq-in area 60-oz dry weight 10-in root chord triple-sweptback wing leading edge straight trailing edge price Westwind $12500 plus shipping directly Max Mills Models 3820 Cheraz NE Albuquer que NM 87111 tel 1-505/292-3510 Brian Agnew will remember young man Florida set 1988 Nats its ear winning Two-Meter Standard Unlim ited Hi Johnson Trophy Lee Renaud Tro phy together dad John Lee Montgomery Dan Pruss Memorial Team Tro phy short everything except Scale let us know what up days Brian sent following letter last time wrote mentioned work ing Cross-Country ship Enclosed pic ture Overkill has 160-in wingspan E374 airfoil Bob Sealy X-C fuselage flat center section dihedral tips chord 13 center panel tapering 8 tips Weight FAI max 11 lb vacuum-bagged wings sand wich white foam unidirectional glass % balsa tremendously strong chose balsa sheeting simplicity reasons allowing cover wings MonoKote best thermaling planes Ive ever its 13oz/sq-ft wing loading too light serious X C work next X-C ship will have higher pect ratio wing loading closer 15 oz/sq ft Plus Ill use glass over blue foam no balsa sheeting plan enter Great Race year love X-C racing am really looking forward Just hope have competitive plane Enclosed flyer new custom foamwing-cutting business have computer-stored plots over 80 popular airfoils can cut cores up 15 wide 80 long Conven tional cores full-size construction saddles $45 per set Multipanel wings $2250 per pan el Templates $30 per set root tip Any questions should hesitate give call think would great Brian can make career RC Sailplane business shows hobby growing point can sup port number full-time specialized manufactur ers Readers interested obtaining Brians price Continued page 58 June 1990 57 HARD TO FIND PREMIUM PROBLEM SOLVERS JJ L EREPLACE INTERFERENCE CAUSING STEEL El-CABLE CONTROLS AND RIGGING nA ID B GREAT FOR LONG LEADS AND HIGH #22 SERVO WIRE POWER SERVO SYSTEMS ELECTRONIC MONITOR AND SWiTCHOVER DMIIflIBMIvRfl SYSTEM USEDWITh 2 PACKS IITIU BUSTER 6 CHANNEL OPTO-ISOLATOR AND SIGNAL G LIIfl BOOSTER KILLS GLITCHS DEAD *4CC 444td461e ae ~ ~4z CALL OR WRITE JOMAR PRODUCTS513-474-0985 2028 Knightsbridge Dr Cinti OH 45244 HANDSOFFCUTII Especially Designed Tapered Wings unique device cutting high quality foam wing cores HANDS OFF cutting both sides same time Available hardware package assemble ov own board--Specify 30 40 -50 or 60 ordering Size may changed anytime Man Chord tandard lLager chords availablel Easy assemble Requires 24 Volt Variable Output Power Supply DEALERS WANTED Hands Oft Cut II hardware packagel$8750 S & H 24 Volt Variable Output power supply$6250 v $300 S & H VIDEO FOAM SHOP Foam Shop Part OneCutting Foam Wings hour long cuts made using HANDS OFF CUT II VHSOnly $2995 includes S & H lowe 48 Foam Shop Part TwoCutting Foam Fuselages hour long cuts made using simple bow VHSOnly $2995 includes S & H Ioaer 48 SUPER BOND ACT ADHESIVE best contact cement have ever used Only $375 8 oz squeeze bottle Enoutr 1400 square ncir wingAdd $200 S & H lower 48 1/8 inch Phenolic Board Templates ftOnly 5500 * $200 S & H NOR-RAY PRODUCTS INC 5008 Sandbeach Road VISAWica Fa 5 Tenas 763 0 LJ8176924475 PFjECISION MODEL PRODUCTS Made USA BARSTOCK ALUMINUM SPINNERS Part NoSize TT-150-B .. 11/2 11-175-B .. 13/4 T1-200-8 TT-225-B /4 TT-226-B 114 FAI 11-250-B . TT-251-B . 21/2 FAt fl-275-B 3/4 TT-276-B ..2-3/4 FAt .. TT-300-B 11-301-BFAIl 11325-B 1/4 11-350-8 . 3-1/2 TT-375-B . 3-3/4 11-400-B RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 ox 1695160 oz 1895150 ox 1895190 oz 2095170 ox 2295220 oz 2495200 oz 2695260 ox 2895250 oz 3695340 ox 4995470 ox 5995520 oz 6995570 ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner Part NoSize TT-140-A 4-28 11-147-A .. 1/4-28/7mm . 11-610-A 1Omm TT-710-A . 7x 10mm 11-516-A . 5/16-24 TT-518-A . 5/16-24/8mm TT-810-A x 10mm .. 11-825-A 125mm T1-375-A 8-24 T1-125-A . 125mm RetailApprox PriceWeight $495061 oz 495061 ox 495063 ox 495082 ox 495076 ox 495076 oz 495 . 076 ox 495 . 075 oz 595 117 oz 595 115 ox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 list can sending SASE Brian Ag new 5625 Youngquist Road #22 Ft Myers FL 33912 tel 1-813/433-5910 Scale Glider Components company started Bill Liscomb supply high-quality goodies American Scale fliers Bill has built flown quite few European Scale kits knowl edgeable about what works what doesnt Bills first offering quarter-scale retract unit Hes now filled out line retracts % 1A scale best ones can get sells $50 plus $5 P&H Bills first kit offering beautiful quarterscale DG-202 has gorgeous one-piece gelcoated fuselage wings have foam cores carbon fiber spars sheeted obechi saw Bill fly prototype 89 TRICS Scale Slope Fun Fly very impressed quality workmanship comparable top German products information send SASE SGC 7034 Fern Place Carlsbad CA 92009 tel 1-619/931-1438 Bill also passed along some personal notes big Scale Fun Fly held Torrey Pines last Thanksgiving Torrey Pines Fun Fly blast about 60 pilots registered day brought about 120 models weather var ied rain wind blowing down slope nice soarable least got fly day Sunday afternoon saw largest num ber Power Slope Gliders air time Ive ever seen WW II Korea Vietnam eras represented also modem-day fighters Once about 15 mixing up hot heavy saw Hellcat strike Zero couple times pilot noted kills Scale soarers also well represented Lots big beautiful models vintage WW U trainers combat gliders course modern glass ships Torrey Pines Gulls club put great show deserves lot credit Torrey Pines Flight Park also assisted asking hang gliders turn left after launched helped air traffic problem greatly ridge used people Gulls excited about making 1990 fun fly bigger better will held earlier year over Labor Day weekend Septem ber 1-3 will have banquet big raffle information send SASE Charlie Morey Slope Soaring News 2601 E 19th St #29 Signal Hill CA 90804 Thanks scoop Bill Speaking Slope Soaring News Charlie steadily upgrading very interesting monthly journal Its up 20 pages must read Slope enthusiasts SSN mostiy covers Southern Cal scene Slope flying rapidly gaining popularity na tionwide So youre Torrey Pines Point Fermin regular youll get moneys worth $1595 per year just ads specialized manufacturers kit re views Send subscription check Charlie Morey address shown above Im sure youll like SSNI Bradley Model Products Jim Bradley com petition Free Flight flier youll read letter below much people var ious aspects model plane hobby can learn other Jims letter might think odd Free Flighter would writing editor RC Soaring column need same things build competitive models As strange may sound read specialty columns Mode/ Aviation month usually find something interest Because fly FlA Glid ers RC Sailplanes about close can get still totally different Several friends customers fly Sailplanes get out some Sailplane contests around talk people keep touch what doing am sure aware carbon fiber what valuable building material has become would like make readers aware am source material have selling longer have sizes prices lower other source know En closed latest Product List Application Notes carbon fiber sheet mat handle readers would like copy List Notes ask self-addressed stamped envelope am always available help problems answer letters re ceive am also available evenings weekends should anyone want call As Jim said products mostly geared toward hand-towed Free Flight Gliders applications similar what RC Sailplaners building especially true want build lighter stronger plane Jims value could advising use new unfamiliar exotic materials address Bradley Model Products 1337 Pine Sap Court Orlando FL 32825 tel 1407/277-9132 Model-construction videos first construc tion videos saw put out Bob Dodgson covered tricky bits building Bobs line Gliders also good general tips Definitely worthwhile viewing Now DO Darnell Tulsa has taken idea step further independently producing tapes covering construction popular kits Lets have DO tell us about new venture new company Model Construction Videos MCV will produce videotapes showing construction state-of-the-art competition Sailplane kits purpose tapes let prospective builder see whats involved build ing kit quality materials plans instructions ultimate performance finished product flying sequences will show launch maiden flight in-the-air shots MCV tapes intended both educate entertain idea occurred trying build popular kits become very frustrated trying decode written instructions have computer business have RC Soaring 20 years have seen best worst technical documen tation both fields dawned having trouble following written instructions probably others would have difficult time too Since am experienced builder decided wing through building process put videotape video production process has both educational enjoyable although has taken about three times long estimated complete first project Building Mariab price $2195 plus $350 S&H next tape production scheduled release May 1 Building Falcon 880 hope readers will drop line indicating prefer ences future projects sounds like terrific idea should excellent way newcomers quickiy increase building skills Interested readers can reach 58 Model Aviation PROP NUT ADAPTORS V DO MCV 4227 E 83rd Street Tulsa OK 74137 Speaking Falcon 880 Mark Allen Flite Lite Composites phoned let everyone know catching up orders extremely pop ular kit Photos complete description Falcon October 89 column Falcon winner last years RCSD Challenge select best Glider new Sportsman Multi-Task event Marks classy-looking design sure hit lots folks hot button demand kit has astound ing Mark crew have turned out 250 kits working overtime have backiog down eight weeks March Mark stopped offering preshected-wing ver sion because extra time volved now back line Whats amazing fact Mark said 75% orders presheeted versioneven though price $305 interested dering Falcon should check Mark exact price delivery info Flite Lite Composites PO Box 1493 Windsor CA 95492 tel 1-707/ 838-3390 Ive flying Falcon since January can vouch its sweet flying characteristics launches beautifully both winch hi-stan has good speed range very easy fly its about fun Ive Glider Using Airtronics Vision radio helps too three-position Flight Mode Switch pre sets flaps ailerons down launch Just plane nosed over dive before zoom flick switch puts flaps aile rons back normal positions plane zooms up up away F3B-USA special newsletter fans F3B Sportsman Multi-Task flying objec tive F3B-U SA print latest news detailed information F3B SMT fliers need keep up fast-moving portion sport Subscriptions formerly handled out Irvine CA PO Box since first year editor Randy Reynolds has taken over re sponsibility subscription list Subscrip tions $12 per year six issues Please send check Randy Reynolds 122 E Uintah St Colorado Springs CO 80903 tel 1-719/4713160 sent check Irvine havent re ceived newsletter please check Randy see name somehow missed getting list A/C Soaniug Digest has sold founder editor Jim Gray Jerry Judy Slates Con cord CA Jim former Soaring editor Model Airplane News has publishing RCSD over seven years couple years ago Jim Peggy retired moved New Hampshire Arizona have hoping have time travel relax Judy Slates has setting up RCSD printing over year publishing job will piece cake Jerry recently retired telephone company Hell have time editing chores plus keep turning out excellent line fiber glass fuselages makes under Viking Mod els label have never seen RCSD havent read lately guarantee youll find its interest ing educational read new series Martin Simons began January issue called Understanding Thermal Soaring Sailplanes alone worth price Id recommend new subscribers request subscription start issue complete Simons series obtained Send $17 years subscription Continued page 173 Mere Fun Less Funds ESCAPE SPECIFIC Wing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA forthe FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SF Wing pan65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span6314 inches Wing Area700 square inches Engine Size50-60 Glow 90 four stroke fun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dder Inqurles Invited June 1990 59 Cyclone II will good autorotations stock blades might prefer weighted units wider safety margin PCM 10 has performed flawlessly beginning think youll find new radios will make better pilots out of us see can now truthfully fine-tune Heli copter 1 % time machine can have proper trim hover also best trim forward flight acrobatic compensa tions well fully intend wring Cyclone II PCM 10 Out see just much PCM 10s potential can use meantime has fun project already know feel about JR PCM TO As Cyclone II honest ma chine would hard imagine Helicopter stable easier fly same time Ive flown Excalibur know what good acrobatic capabilities its K-5 rotor head provides Cyclone shares same rotor head Cyclone II definitely adaptable whatever flying style demands kit easy assemble everything high quality ship flies straight out box would hesitate recommend fine products would also like thank Hobby Dynamics letting report Kalt JR products also making available us As time allows will give updates both Kalt JR lines well further experience Cyclone II PCM 10 further information please contact Hobby Dynamics PO Box 3726 Champaign IL 61826-3726 tel 1-800/458-0241 BCNU RC Soaring/Blakeslee Continued page 59 RCSD 2026 Spring Lake Dr Martinez CA 94553 tel1-415/689-0766 Ed Dumas Jr has new design program calls Sailplane Design Program Version 40 IBM-PC what Ed says about program programs menu-driven de signed easy use designed pri manly Sailplane designernot com puter experts analysis given design quick easy performance map can examined screen printed out printer po lar curve plot can generated screen well dot-matrix printer multiple analysis mode allows step either weight center gravity location through range values performance map and/or polar curve can generated automatical ly value can easily generate family maps example showing effects add ing ballast changing CG location As 100 Sailplane designs can saved flop py disk Eds program contains 20 airfoils 10 kit Sailpianes starter designs package $25 ppd 25 pages instructions disk have print out print er Eds address 3220 Boomerang Lane Knox ville TN 37931 Archacopteryx Avion Associates unpro nounceable name Jim Ealys RC Scale Glider business Jim has collecting Scale informa tion long time has lot material good thing enthusiasts looking some esoteric plan three-view gist Jims latest news release Enclosed plans DFS Habitch newsletter concerning 10th anniversary sale Actually have collecting documentation Scale Gliders about 25 years Within about two three months aboat JuneBB will have A-scale plans friend will have -scale fiberglass fuselage Habitch sale plans kits drawn sets full-scale drawings have collected over years highlights offerings 1000 three-views line drawings 50 %- A- -scale plans 25 r documentationsmostly vintage four high-startsheavier rubber walls commercially available parachutetrue ripstop nylon 100lb shroud lines four Scale kits A-scale Tandem Tutor 130-in span 1530 sq -scale Grunau Baby 11107-in span 880 sq A-scale Zogling 102-in span 1376 sq -scale Woodstock 156-in span 1675 sq Jims 10th-anniversary sale price Zog ling kit $15995 $19995 Tutor Baby $25995 Woodstock available August Add $10 kit UPS ship ping illustrated Archacopteryx catalog send $1 plus large SASE Jim Ealy 128 Etra Road Hightstown NJ 08520 tel 1-609/4488726 Club news have recently received newsletters several Soaring clubs new new want pass along information contact person benefit fliers living local areas may wish join alphabet ical order have Bluegrass Soaring Society Lexington KY area Keith Hatfull edits its excellent Aerial Boundaries newsletter can reach Keith $1695Propeller Drill Jigs Ba Self your Ugns existIng prop hole Webre Bully aDolmar Zenom um II SunCraft 1617 loa Tamas AIbuq NM 87102 505-842-9648 June 1990 173 WORLDS BIGGEST SCALE PLANS & DSCSNENTATTSN SENOICE 0 SCALE NObEL PLANS 58000 ASNCtA DACA N.FF0t, NOAI AMA SSIN COEN AS PAGE CATALOGN VSSAS SACO US CAsCA $800 Aj,SiI 0.,. SCALE PLANS nPoroSevce PLANS SULANOING3259 Madison SAS GreSPSAAA NE 27403 SCALE DOCUMENTATION55912i2S23i ie LiTRES 1 N5~MtLLSMETALS BSSKS reets ee1 Four Great Days Oshkosh WI Wlttman Field Over 30 Manufacturers & Dealers Indoors hOME OF TIlE ERA T TIE EAR MUSEUM WUrrMAH puELD KOS ALLY OF GIANTS jggO AIIOCIOU@fl inc Complete Information write CUflCH Bluffs IA 51W3 IiVIAAS 10th ANNIVERSARY FUI4FLY JunO 28-29-30 July 11990 IMAA Sanctioned 107 Wildwood Dr Versailles KY 40383 tel 1606/873-7554 Desert Union Sailplane Thermalists Palm Springs CA DUST rejuvenated club back publishing its Dust Devil newsletter has joined southern California Soaring clubs competition circuit David Hall news letter editor can contacted 3030 Cypress Rd Palm Springs CA 92262 tel 1-619/ 320-58 14 Seattle Area Soaring Society recently re formed club up 50 members going strong Waid Reynolds editor SASS Up draft newsletter can reached 12448 83rd Ave So Seattle WA 98178 tel 1-206/772029 1 SWIFT club Omaha NE area new club organized February has no dues started things off right foot coming AMA chartered club #2749 Its Vis ible Lift newsletter edited Ron Ponec can reached via PO Box 174 Elkhorn NE 68022 always appreciate receiving club newsletters since best way keeping touch whats happening Soaring around country Editors please send home address listed top column Model Aviation editorial offices FF Indoor/Tenny Continued page 73 So what wrong learned good tan rubber seemed to wind ef fectively model still required immensely larger amount power Jims very similar model no clue exact reason High drag After USIC carefully examined model thiniring terms what would ab sorb energy during power burst model trimmed wing very far forward leaving small angular difference between wing stab incidence However repairs early tail boom damage left some positive cidence relative motor stick centerline wing also positive incidence addition model behaved fin area too small pronounced Dutch roll during sev eral phases flight Normal trim accommo date high torque included some left thrust no downthrust significant amount wing offset several degrees washin/washout twist Operation streamline new tail boom fin built fin area concen trated farther aft socket plug-in boom removed reinstalled give slight negative stab incidence allowing wing incidence reduced zero relative stick centerline Virtually washin/washout twist between tip dihedral breaks re moved small equal amount washout put tip prevent possibility tip stall model now climbed cleanly low ceil ings lower torque cruised nose-up titude very slightly lower cruise torque Ready Nats quite Idahos Kibbie Dome could get model higher expense too much rubber climb very clean smooth almost no Dutch roll fact very long heavy loop made scrub big acoustical tiles ceiling lucky get Uiii~ 1/4-SCALE PLANS FROM FACTORY BLUEPRINTS See Scale RIO Modeler October 88 Wing Loading 18 ozs Span 78 inches Weight 825 lbs Area 1053 inches 46-61 2/Cycle Plans rolled manual Spaceman decals $3000 PPD Cowls pants Fiberglass Master Dry Ridge Models 59 McCurry Road704 658-2663 Weaverville NC 28787 back could have lost top tile way out reach dead-sticked prop locked glided 135 total just over eight min utes Now good idea what power use got flight just over 10 minutes ran out time contest ended power going Texas high ceiling 1000 miles away few minutes high-ceiling flying time left 1989 Next chance Johnson City 1990 two possible culprits thick airfoil section center wing props Jim Clem loaned props weighed same Several quick test flights motors documented per formance props showed no major differ ences using Jims prop has wing Tune later see new wing solves problem Balsa expensive Canada least thats reason Jack McGillivray gives Easy B has three wing ribs no stab ribs see photo Chilton building techniques know Stan Chilton aware high level crafts manship models have Behind craftsman ship some unusual improved building practices Motor stick hints motor stick Indoor Rubber models heavier crit ical components After choosing balsa sheet straight uniform grain correct den sity Stan cuts blank wider needed instead using exact width match diameter form bevels edge sheet before soaking water 1/4 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% 174 Model Aviation CAPACITIVE-DISCHARGE IGNITION featuring IBO1lALLX QInlIHLLEfl EABl ADVANCEIII No moving parts No engine modifications Basic unit $ 9995 Opposedcylinder twin $ 11995 Fald BCoiaWadShoe lee
Edition: Model Aviation - 1990/06
Page Numbers: 56, 57, 58, 59, 173, 174
NEW The Westwind Max Mills Models Last months column Tom Thompsons per sonal impressions Maxs Southwind polyhe dral-winged Standard Class Glider month Max himself tells us about straight-wing ver sion called Westwind Westwind designed person has flying entry-level Sailplane has become proficient landing thermaling ready fly new type style model straight wings Westwind designed Bill Liscomb sends two tine photos taken Torrey Pines CA Scale Fun Fly left Dan Troxeil seems justifiably proud V4-scale Grunau Baby built Krick kit right Larry Fogel shows off 1Oyear-oid Schweizer TG-3 built RCM plans Theres lots Information column about ship left new Westwlnd Max Mills Models right Floridas 5rlan Agnew Overkiii Cross-Country ship information both Brians new foam-wing-cutting business months column 56 Model Aviation Radio Control Soaring ByrOn Blakeslee 3134 Winnebago Dr Sedaila CO 80135 group shot Cincinnatti Soaring Society gang taken y ioe Hun ST inc 1989 PumpkIn Fly last October photo sent editor CSS newsletter Chuck Lohr pilot has little no experience aileron-equipped aircraft very positive roll control wing planform model make extremely predictable fly launch portion flight pleasure hair-raising ex perience Westwind based same proven design Southwind shares same rugged fuselage tail assembly desired Southwind fuselage can used Westwind wings speed Westwind slightly faster flaps down same stable con trolled approach landing possible Southwind balsa-sheeted foam cores spruce spars 1A -in steel joiner rod Westwind can launched aggressively winch still very much hi-startable dont need use expensive seven-channel radio fly Westwind computer radio like Airtron ics Vision set coupling flaps elevator aile rons rudder ailerons flaps possible allow easier flying model 'because pilot can couple full-span flaps/ailerons elevator quick turns Westwind makes perfect model compete Scale Glider Components has retract gear units available 1/i -scale sizes Author Byron Blakeslee observes sturdiest retracts available today Sportsman Multi-Taskor practice F3B Speed Distance tasks kind fly ing does suit needs want thermal fly fun fly AMA contests spot landings Westwind model Other specs include Selig 3021 airfoil 104-in span 910-sq-in area 60-oz dry weight 10-in root chord triple-sweptback wing leading edge straight trailing edge price Westwind $12500 plus shipping directly Max Mills Models 3820 Cheraz NE Albuquer que NM 87111 tel 1-505/292-3510 Brian Agnew will remember young man Florida set 1988 Nats its ear winning Two-Meter Standard Unlim ited Hi Johnson Trophy Lee Renaud Tro phy together dad John Lee Montgomery Dan Pruss Memorial Team Tro phy short everything except Scale let us know what up days Brian sent following letter last time wrote mentioned work ing Cross-Country ship Enclosed pic ture Overkill has 160-in wingspan E374 airfoil Bob Sealy X-C fuselage flat center section dihedral tips chord 13 center panel tapering 8 tips Weight FAI max 11 lb vacuum-bagged wings sand wich white foam unidirectional glass % balsa tremendously strong chose balsa sheeting simplicity reasons allowing cover wings MonoKote best thermaling planes Ive ever its 13oz/sq-ft wing loading too light serious X C work next X-C ship will have higher pect ratio wing loading closer 15 oz/sq ft Plus Ill use glass over blue foam no balsa sheeting plan enter Great Race year love X-C racing am really looking forward Just hope have competitive plane Enclosed flyer new custom foamwing-cutting business have computer-stored plots over 80 popular airfoils can cut cores up 15 wide 80 long Conven tional cores full-size construction saddles $45 per set Multipanel wings $2250 per pan el Templates $30 per set root tip Any questions should hesitate give call think would great Brian can make career RC Sailplane business shows hobby growing point can sup port number full-time specialized manufactur ers Readers interested obtaining Brians price Continued page 58 June 1990 57 HARD TO FIND PREMIUM PROBLEM SOLVERS JJ L EREPLACE INTERFERENCE CAUSING STEEL El-CABLE CONTROLS AND RIGGING nA ID B GREAT FOR LONG LEADS AND HIGH #22 SERVO WIRE POWER SERVO SYSTEMS ELECTRONIC MONITOR AND SWiTCHOVER DMIIflIBMIvRfl SYSTEM USEDWITh 2 PACKS IITIU BUSTER 6 CHANNEL OPTO-ISOLATOR AND SIGNAL G LIIfl BOOSTER KILLS GLITCHS DEAD *4CC 444td461e ae ~ ~4z CALL OR WRITE JOMAR PRODUCTS513-474-0985 2028 Knightsbridge Dr Cinti OH 45244 HANDSOFFCUTII Especially Designed Tapered Wings unique device cutting high quality foam wing cores HANDS OFF cutting both sides same time Available hardware package assemble ov own board--Specify 30 40 -50 or 60 ordering Size may changed anytime Man Chord tandard lLager chords availablel Easy assemble Requires 24 Volt Variable Output Power Supply DEALERS WANTED Hands Oft Cut II hardware packagel$8750 S & H 24 Volt Variable Output power supply$6250 v $300 S & H VIDEO FOAM SHOP Foam Shop Part OneCutting Foam Wings hour long cuts made using HANDS OFF CUT II VHSOnly $2995 includes S & H lowe 48 Foam Shop Part TwoCutting Foam Fuselages hour long cuts made using simple bow VHSOnly $2995 includes S & H Ioaer 48 SUPER BOND ACT ADHESIVE best contact cement have ever used Only $375 8 oz squeeze bottle Enoutr 1400 square ncir wingAdd $200 S & H lower 48 1/8 inch Phenolic Board Templates ftOnly 5500 * $200 S & H NOR-RAY PRODUCTS INC 5008 Sandbeach Road VISAWica Fa 5 Tenas 763 0 LJ8176924475 PFjECISION MODEL PRODUCTS Made USA BARSTOCK ALUMINUM SPINNERS Part NoSize TT-150-B .. 11/2 11-175-B .. 13/4 T1-200-8 TT-225-B /4 TT-226-B 114 FAI 11-250-B . TT-251-B . 21/2 FAt fl-275-B 3/4 TT-276-B ..2-3/4 FAt .. TT-300-B 11-301-BFAIl 11325-B 1/4 11-350-8 . 3-1/2 TT-375-B . 3-3/4 11-400-B RetailApprox PriceWeight $1395058 oz 1495095 oz 1595100 ox 1695160 oz 1895150 ox 1895190 oz 2095170 ox 2295220 oz 2495200 oz 2695260 ox 2895250 oz 3695340 ox 4995470 ox 5995520 oz 6995570 ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner Part NoSize TT-140-A 4-28 11-147-A .. 1/4-28/7mm . 11-610-A 1Omm TT-710-A . 7x 10mm 11-516-A . 5/16-24 TT-518-A . 5/16-24/8mm TT-810-A x 10mm .. 11-825-A 125mm T1-375-A 8-24 T1-125-A . 125mm RetailApprox PriceWeight $495061 oz 495061 ox 495063 ox 495082 ox 495076 ox 495076 oz 495 . 076 ox 495 . 075 oz 595 117 oz 595 115 ox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 list can sending SASE Brian Ag new 5625 Youngquist Road #22 Ft Myers FL 33912 tel 1-813/433-5910 Scale Glider Components company started Bill Liscomb supply high-quality goodies American Scale fliers Bill has built flown quite few European Scale kits knowl edgeable about what works what doesnt Bills first offering quarter-scale retract unit Hes now filled out line retracts % 1A scale best ones can get sells $50 plus $5 P&H Bills first kit offering beautiful quarterscale DG-202 has gorgeous one-piece gelcoated fuselage wings have foam cores carbon fiber spars sheeted obechi saw Bill fly prototype 89 TRICS Scale Slope Fun Fly very impressed quality workmanship comparable top German products information send SASE SGC 7034 Fern Place Carlsbad CA 92009 tel 1-619/931-1438 Bill also passed along some personal notes big Scale Fun Fly held Torrey Pines last Thanksgiving Torrey Pines Fun Fly blast about 60 pilots registered day brought about 120 models weather var ied rain wind blowing down slope nice soarable least got fly day Sunday afternoon saw largest num ber Power Slope Gliders air time Ive ever seen WW II Korea Vietnam eras represented also modem-day fighters Once about 15 mixing up hot heavy saw Hellcat strike Zero couple times pilot noted kills Scale soarers also well represented Lots big beautiful models vintage WW U trainers combat gliders course modern glass ships Torrey Pines Gulls club put great show deserves lot credit Torrey Pines Flight Park also assisted asking hang gliders turn left after launched helped air traffic problem greatly ridge used people Gulls excited about making 1990 fun fly bigger better will held earlier year over Labor Day weekend Septem ber 1-3 will have banquet big raffle information send SASE Charlie Morey Slope Soaring News 2601 E 19th St #29 Signal Hill CA 90804 Thanks scoop Bill Speaking Slope Soaring News Charlie steadily upgrading very interesting monthly journal Its up 20 pages must read Slope enthusiasts SSN mostiy covers Southern Cal scene Slope flying rapidly gaining popularity na tionwide So youre Torrey Pines Point Fermin regular youll get moneys worth $1595 per year just ads specialized manufacturers kit re views Send subscription check Charlie Morey address shown above Im sure youll like SSNI Bradley Model Products Jim Bradley com petition Free Flight flier youll read letter below much people var ious aspects model plane hobby can learn other Jims letter might think odd Free Flighter would writing editor RC Soaring column need same things build competitive models As strange may sound read specialty columns Mode/ Aviation month usually find something interest Because fly FlA Glid ers RC Sailplanes about close can get still totally different Several friends customers fly Sailplanes get out some Sailplane contests around talk people keep touch what doing am sure aware carbon fiber what valuable building material has become would like make readers aware am source material have selling longer have sizes prices lower other source know En closed latest Product List Application Notes carbon fiber sheet mat handle readers would like copy List Notes ask self-addressed stamped envelope am always available help problems answer letters re ceive am also available evenings weekends should anyone want call As Jim said products mostly geared toward hand-towed Free Flight Gliders applications similar what RC Sailplaners building especially true want build lighter stronger plane Jims value could advising use new unfamiliar exotic materials address Bradley Model Products 1337 Pine Sap Court Orlando FL 32825 tel 1407/277-9132 Model-construction videos first construc tion videos saw put out Bob Dodgson covered tricky bits building Bobs line Gliders also good general tips Definitely worthwhile viewing Now DO Darnell Tulsa has taken idea step further independently producing tapes covering construction popular kits Lets have DO tell us about new venture new company Model Construction Videos MCV will produce videotapes showing construction state-of-the-art competition Sailplane kits purpose tapes let prospective builder see whats involved build ing kit quality materials plans instructions ultimate performance finished product flying sequences will show launch maiden flight in-the-air shots MCV tapes intended both educate entertain idea occurred trying build popular kits become very frustrated trying decode written instructions have computer business have RC Soaring 20 years have seen best worst technical documen tation both fields dawned having trouble following written instructions probably others would have difficult time too Since am experienced builder decided wing through building process put videotape video production process has both educational enjoyable although has taken about three times long estimated complete first project Building Mariab price $2195 plus $350 S&H next tape production scheduled release May 1 Building Falcon 880 hope readers will drop line indicating prefer ences future projects sounds like terrific idea should excellent way newcomers quickiy increase building skills Interested readers can reach 58 Model Aviation PROP NUT ADAPTORS V DO MCV 4227 E 83rd Street Tulsa OK 74137 Speaking Falcon 880 Mark Allen Flite Lite Composites phoned let everyone know catching up orders extremely pop ular kit Photos complete description Falcon October 89 column Falcon winner last years RCSD Challenge select best Glider new Sportsman Multi-Task event Marks classy-looking design sure hit lots folks hot button demand kit has astound ing Mark crew have turned out 250 kits working overtime have backiog down eight weeks March Mark stopped offering preshected-wing ver sion because extra time volved now back line Whats amazing fact Mark said 75% orders presheeted versioneven though price $305 interested dering Falcon should check Mark exact price delivery info Flite Lite Composites PO Box 1493 Windsor CA 95492 tel 1-707/ 838-3390 Ive flying Falcon since January can vouch its sweet flying characteristics launches beautifully both winch hi-stan has good speed range very easy fly its about fun Ive Glider Using Airtronics Vision radio helps too three-position Flight Mode Switch pre sets flaps ailerons down launch Just plane nosed over dive before zoom flick switch puts flaps aile rons back normal positions plane zooms up up away F3B-USA special newsletter fans F3B Sportsman Multi-Task flying objec tive F3B-U SA print latest news detailed information F3B SMT fliers need keep up fast-moving portion sport Subscriptions formerly handled out Irvine CA PO Box since first year editor Randy Reynolds has taken over re sponsibility subscription list Subscrip tions $12 per year six issues Please send check Randy Reynolds 122 E Uintah St Colorado Springs CO 80903 tel 1-719/4713160 sent check Irvine havent re ceived newsletter please check Randy see name somehow missed getting list A/C Soaniug Digest has sold founder editor Jim Gray Jerry Judy Slates Con cord CA Jim former Soaring editor Model Airplane News has publishing RCSD over seven years couple years ago Jim Peggy retired moved New Hampshire Arizona have hoping have time travel relax Judy Slates has setting up RCSD printing over year publishing job will piece cake Jerry recently retired telephone company Hell have time editing chores plus keep turning out excellent line fiber glass fuselages makes under Viking Mod els label have never seen RCSD havent read lately guarantee youll find its interest ing educational read new series Martin Simons began January issue called Understanding Thermal Soaring Sailplanes alone worth price Id recommend new subscribers request subscription start issue complete Simons series obtained Send $17 years subscription Continued page 173 Mere Fun Less Funds ESCAPE SPECIFIC Wing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA forthe FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SF Wing pan65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span6314 inches Wing Area700 square inches Engine Size50-60 Glow 90 four stroke fun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dder Inqurles Invited June 1990 59 Cyclone II will good autorotations stock blades might prefer weighted units wider safety margin PCM 10 has performed flawlessly beginning think youll find new radios will make better pilots out of us see can now truthfully fine-tune Heli copter 1 % time machine can have proper trim hover also best trim forward flight acrobatic compensa tions well fully intend wring Cyclone II PCM 10 Out see just much PCM 10s potential can use meantime has fun project already know feel about JR PCM TO As Cyclone II honest ma chine would hard imagine Helicopter stable easier fly same time Ive flown Excalibur know what good acrobatic capabilities its K-5 rotor head provides Cyclone shares same rotor head Cyclone II definitely adaptable whatever flying style demands kit easy assemble everything high quality ship flies straight out box would hesitate recommend fine products would also like thank Hobby Dynamics letting report Kalt JR products also making available us As time allows will give updates both Kalt JR lines well further experience Cyclone II PCM 10 further information please contact Hobby Dynamics PO Box 3726 Champaign IL 61826-3726 tel 1-800/458-0241 BCNU RC Soaring/Blakeslee Continued page 59 RCSD 2026 Spring Lake Dr Martinez CA 94553 tel1-415/689-0766 Ed Dumas Jr has new design program calls Sailplane Design Program Version 40 IBM-PC what Ed says about program programs menu-driven de signed easy use designed pri manly Sailplane designernot com puter experts analysis given design quick easy performance map can examined screen printed out printer po lar curve plot can generated screen well dot-matrix printer multiple analysis mode allows step either weight center gravity location through range values performance map and/or polar curve can generated automatical ly value can easily generate family maps example showing effects add ing ballast changing CG location As 100 Sailplane designs can saved flop py disk Eds program contains 20 airfoils 10 kit Sailpianes starter designs package $25 ppd 25 pages instructions disk have print out print er Eds address 3220 Boomerang Lane Knox ville TN 37931 Archacopteryx Avion Associates unpro nounceable name Jim Ealys RC Scale Glider business Jim has collecting Scale informa tion long time has lot material good thing enthusiasts looking some esoteric plan three-view gist Jims latest news release Enclosed plans DFS Habitch newsletter concerning 10th anniversary sale Actually have collecting documentation Scale Gliders about 25 years Within about two three months aboat JuneBB will have A-scale plans friend will have -scale fiberglass fuselage Habitch sale plans kits drawn sets full-scale drawings have collected over years highlights offerings 1000 three-views line drawings 50 %- A- -scale plans 25 r documentationsmostly vintage four high-startsheavier rubber walls commercially available parachutetrue ripstop nylon 100lb shroud lines four Scale kits A-scale Tandem Tutor 130-in span 1530 sq -scale Grunau Baby 11107-in span 880 sq A-scale Zogling 102-in span 1376 sq -scale Woodstock 156-in span 1675 sq Jims 10th-anniversary sale price Zog ling kit $15995 $19995 Tutor Baby $25995 Woodstock available August Add $10 kit UPS ship ping illustrated Archacopteryx catalog send $1 plus large SASE Jim Ealy 128 Etra Road Hightstown NJ 08520 tel 1-609/4488726 Club news have recently received newsletters several Soaring clubs new new want pass along information contact person benefit fliers living local areas may wish join alphabet ical order have Bluegrass Soaring Society Lexington KY area Keith Hatfull edits its excellent Aerial Boundaries newsletter can reach Keith $1695Propeller Drill Jigs Ba Self your Ugns existIng prop hole Webre Bully aDolmar Zenom um II SunCraft 1617 loa Tamas AIbuq NM 87102 505-842-9648 June 1990 173 WORLDS BIGGEST SCALE PLANS & DSCSNENTATTSN SENOICE 0 SCALE NObEL PLANS 58000 ASNCtA DACA N.FF0t, NOAI AMA SSIN COEN AS PAGE CATALOGN VSSAS SACO US CAsCA $800 Aj,SiI 0.,. SCALE PLANS nPoroSevce PLANS SULANOING3259 Madison SAS GreSPSAAA NE 27403 SCALE DOCUMENTATION55912i2S23i ie LiTRES 1 N5~MtLLSMETALS BSSKS reets ee1 Four Great Days Oshkosh WI Wlttman Field Over 30 Manufacturers & Dealers Indoors hOME OF TIlE ERA T TIE EAR MUSEUM WUrrMAH puELD KOS ALLY OF GIANTS jggO AIIOCIOU@fl inc Complete Information write CUflCH Bluffs IA 51W3 IiVIAAS 10th ANNIVERSARY FUI4FLY JunO 28-29-30 July 11990 IMAA Sanctioned 107 Wildwood Dr Versailles KY 40383 tel 1606/873-7554 Desert Union Sailplane Thermalists Palm Springs CA DUST rejuvenated club back publishing its Dust Devil newsletter has joined southern California Soaring clubs competition circuit David Hall news letter editor can contacted 3030 Cypress Rd Palm Springs CA 92262 tel 1-619/ 320-58 14 Seattle Area Soaring Society recently re formed club up 50 members going strong Waid Reynolds editor SASS Up draft newsletter can reached 12448 83rd Ave So Seattle WA 98178 tel 1-206/772029 1 SWIFT club Omaha NE area new club organized February has no dues started things off right foot coming AMA chartered club #2749 Its Vis ible Lift newsletter edited Ron Ponec can reached via PO Box 174 Elkhorn NE 68022 always appreciate receiving club newsletters since best way keeping touch whats happening Soaring around country Editors please send home address listed top column Model Aviation editorial offices FF Indoor/Tenny Continued page 73 So what wrong learned good tan rubber seemed to wind ef fectively model still required immensely larger amount power Jims very similar model no clue exact reason High drag After USIC carefully examined model thiniring terms what would ab sorb energy during power burst model trimmed wing very far forward leaving small angular difference between wing stab incidence However repairs early tail boom damage left some positive cidence relative motor stick centerline wing also positive incidence addition model behaved fin area too small pronounced Dutch roll during sev eral phases flight Normal trim accommo date high torque included some left thrust no downthrust significant amount wing offset several degrees washin/washout twist Operation streamline new tail boom fin built fin area concen trated farther aft socket plug-in boom removed reinstalled give slight negative stab incidence allowing wing incidence reduced zero relative stick centerline Virtually washin/washout twist between tip dihedral breaks re moved small equal amount washout put tip prevent possibility tip stall model now climbed cleanly low ceil ings lower torque cruised nose-up titude very slightly lower cruise torque Ready Nats quite Idahos Kibbie Dome could get model higher expense too much rubber climb very clean smooth almost no Dutch roll fact very long heavy loop made scrub big acoustical tiles ceiling lucky get Uiii~ 1/4-SCALE PLANS FROM FACTORY BLUEPRINTS See Scale RIO Modeler October 88 Wing Loading 18 ozs Span 78 inches Weight 825 lbs Area 1053 inches 46-61 2/Cycle Plans rolled manual Spaceman decals $3000 PPD Cowls pants Fiberglass Master Dry Ridge Models 59 McCurry Road704 658-2663 Weaverville NC 28787 back could have lost top tile way out reach dead-sticked prop locked glided 135 total just over eight min utes Now good idea what power use got flight just over 10 minutes ran out time contest ended power going Texas high ceiling 1000 miles away few minutes high-ceiling flying time left 1989 Next chance Johnson City 1990 two possible culprits thick airfoil section center wing props Jim Clem loaned props weighed same Several quick test flights motors documented per formance props showed no major differ ences using Jims prop has wing Tune later see new wing solves problem Balsa expensive Canada least thats reason Jack McGillivray gives Easy B has three wing ribs no stab ribs see photo Chilton building techniques know Stan Chilton aware high level crafts manship models have Behind craftsman ship some unusual improved building practices Motor stick hints motor stick Indoor Rubber models heavier crit ical components After choosing balsa sheet straight uniform grain correct den sity Stan cuts blank wider needed instead using exact width match diameter form bevels edge sheet before soaking water 1/4 Scale Kits $12995 Epoxy/Glass/Foam Construction Drawings Data Formula 120 Pylon Sport Standoff ScaleKit Price ping Credit Cards WelcomedOhio Residents Add 7% 174 Model Aviation CAPACITIVE-DISCHARGE IGNITION featuring IBO1lALLX QInlIHLLEfl EABl ADVANCEIII No moving parts No engine modifications Basic unit $ 9995 Opposedcylinder twin $ 11995 Fald BCoiaWadShoe lee