SR BATTERIES Just important batter ies Very important course Yet often think about age batteries sim ply overall quality battery packs Probably often enough comes time replace old battery packs might well get best opin ion modelers SR Batteries offers best around give some idea great repu tation SR battery packs have SR makes packs major aerospace companies has recently chosen make packs Space Shuttle program Best packs make modelers go through same con struction testing aerospace dustry SR provides flight pack batteries ranging 50 mAb 4000 mAh available variety configurations Prices very reasonable packs available virtually known connectors information SR battery packs write company Box 287 Bellport NY 11713 Minicraft Lynx 140 Have urge purchase new Sailplane slope just didnt have time build checked out local hobby shops just couldnt find ARF Sailplane would job Finally decided would just have manage what have until could find some free time some building Well thats changed now latest great est wonder world Slope Soaring Lynx 140 Minicraft Slope Sailplane spans 56 makes great trainer flier ready move up world ai lerons ready sit down write compre hensive review Lynx issue Slope Soaring News came mail great-looking PSS Corsair cover just sit down look through issue before did anything else skimming through pages came acrossyou guessed ita great re view Lynx can just hear saying yourself Okay Slope Soaring editor getting little lazy going use SSN review col umn instead writing own Youre right am going use review Its cause am lazy however well maybe just litLeft Now thats what call ARF Minicraft Lynx 140 can completed evening two offers sport flier surprisingly good per formance Photo courtesy JC Model Supplies Right Lynx ready get airborne Its wingspan 56 has full aileron elevator rudder control Foam-core wings Lite Ply fuselage very good performance make little ship sturdy capable aileron trainer 46 Model Aviation Radio Conoi Slope Soaring Mark Triebes 20794 Kreisler Ct Saratoga CA 95070 Simply outrageous preview next column heres photo Shogun Jarel Aircraft Design Engineering subject will canards flying wings Photo Richard Jarel Its Orca killer Sailplane Harley Michaelis latest high-speed work heavy winds pitcheron-controlled ship will featured construction article future issue MA Inspired Aermacchi 229 Par Jet Mike Reeds Slopar outstanding performer light wind conditions Plans available attractive Sailplane Mike Reed Photo tie bit its because Charlie Morey did such great job reviewing Lynx SSN Charlie has ability turn simple kit review teresting reading important can competent accurate analysis plane Hows ego Charlie Hat size getting little big Heres what Charlie has say about Lynx 1 first-test-flight jitters Standing alone Long Beach bluff shiny new Lynx 140 hand trusty Futaba Con quest transmitter other took deep breath mentally prepared get hand back stick quickly could threw plane over edge no wind didnt expect fly just wanted put through test glide soft sand beach below get feel going handle shandle toss sent Lynx straight out about 20 ft went slightly too steep glide picking up speed heart rate gently pulled back stick Lynx pulled up flat level slow smooth glide shocked plane has full-sized Futaba Conquest flight pack three servos ailerons el evator rudder weighs 29 oz 297 sq ft wing adds up 10-oz wing loading Its floater Yet Id find out test flights followed itll stay up surpris ingly light lift itll kick butt wind starts cranking Lynx its nose pulled up turned smoothly using ailerons made large sweeping S-turn greased beach heavy plane t0-oz pod-andboom-plane standards touched lightly slid 50 ft smooth sand leaving straight light trail behind Pretty thought trotted down fetch grinning ear ear Thats ideal first flight opinion Continued page 141 WASHINGTONS AMA BASE. $ 54ecXpie Check day per nght Minimum stay 2 nights Free Parking Cars Free Full Breakfasts Free Metropass Sat Sun Free DC Area Map Free Harringron Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 MMEMBER 1-800-424-8532 628 8140- EEEEIKIII Polyhedral $4495 Aileron $5195 Paul Wilson holds class distance record 66 miles 59 wing span z/sq ft up Ennler 21 4/Selina 4061/Airfoil choice -HIGH QUALITY SAILPLANE KITSTerry Edmonds multi-task sailpianes 10 2 meter 39 oz & up CALLISTO-standard class 44 oz & up BE A_ WINNER CULPEPPER ORDERMODELS INC TODAY2526 Washington DubuqueIA 52001 3191583-4130 Sairiniu END UDXaZRD 7550 Sor Gab e Road codoo CA 93422 4681717 July 1989 47 north border comes Banzai Banzai Enterprises aerobatic Slope Soarer makes ideal ship Combat simply fun flying Photo Jerry Teo Designed Rusty Shaw LeRoy Salterlee AVAILABLE AT AMERICAS FINEST HOBBY SHOPS Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141 ~1~I 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR COD CATALOG $ 200 OR FREE Will-I ORDERS HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 OUR UNE INCLUDES HATORI TETTRA DIGICON CONTROL HORNS MOUNliNG BOLTS INCLUDED 2 PER PACKAGE $ 225 PER PACKAGE WE NEED DEALERS NEW DEALER DISCOUNT PROGRAM ON HARDWARE AND TOOLS ThmviMade America American Technology R/C & U/C ENGINES 15 thru 61 Glow Plugs & Spark Plugs Ignition Engines 29 35 ORIGINAL REPLACEMENT PARTS Kraft 61 Cox Conquest 15 Testor/McCoy Series 21 Taipan 40 HGK Forster Remco Viking twin DC 09 diesel RC Slope Soaring/Triebes Continued page 141 park lawn trimmed original 00/00 wing/stab setting about 20 wing stab incidence very light conditions second windless toss off bluff yielded gentle glide down sand Trim adjustments made radio current condi tions left mechanical adjustments 00 Now needed some wind Assembling made-in-Thailand Lynx 140 should have cinch new owner has epoxy two completely finished wing halves together route control surface ca bles trim mount clear vacuum-formed canopy install radio flight pack major parts completely assembled shaped sanded covered Using five-minute epoxy easily makes one-evening job ran couple problems however made two-evening job required modeling skill equipment should have general complaints concern care wasnt taken assemblers factory Glu ing seems hit-or-miss deal some cases hinges glued solid missed com pletely came loose first flight real lift glue joint down lower right side fuselage forgotten completely yet opposite side sported broad fillet minor problems Any beginning builder can inspect new kit assure glue joints solid glue himself arent No big deal Just aware its part assembly requirements kit annoying problem assembling Lynx 140 having correct another fac tory error full-flying horizontal stabilizer sembly very well designed brass bushing already installed midway up vertical stab its simple matter slide piece wire through slip fully constructed cov ered stab halves over Unfortunately bush ing installed crooked modeler well-equipped shop merely minor annoyance inexpe rienced builder whos got kitchen table cov ered newspapers one-night-stand time limit its major setback popped out bushing threw away grabbed handy piece dowel scrap pile cut length glued place set tail flat Dremel drill press attach ment drilled new hole correct 900 gle didnt have brass tubing correct size new bushing used brass control cable end threaded type solder made new bushing glued place shops kitchen tables well equipped recommend following procedure Carefully cut peel covering back around bushing cut through verti cal stab ahead behind bushing standard X-Acto knife leaving attached top bottom Insert wire pivot square reglue bushing Check squareness both top view front view cut tweak necessary before gluing Touch up ends glue joint small sanding block stick covering back down have suggested Jesse Chao owner JC Model Supplies furnished us kit relay complaints back fac tory Lets hope future Lynxes will made better attention detail Understand please kit difficult build its flaws yet feel ARF customer should have redo work incorrectly done manufac turer thats case might just well build himself first place get right Any aggravation Lynx 140 may have caused workbench soon forgotten once got airborne good lift Its amaz ingly capable flier would make good ail eron trainer flier making transition rudder/elevator aileron/elevator planes very difficult stall does its easy recover can fly light lift can fly very slowly Its very aerobatic thing Ive found far wont go fast mean really fast Itll move out OKas fast fliers want gobut its fast Slope plane typical two-channel pilot enjoyed using three-axis controls Now can really stall turn hammerhead instead chandelle just using rudder instead ailerons also got kick out trying feed correct amount rudder ailerons produce coordinated turn just like full-size airplanes Lynx 140 very pleasant plane fly Ive taken test model out several light-lift days Long Beach exceptionally brisk day Point Fermin handled both sets condi tions easily though vastly different adrenalin levels gave full afternoons flying fun Despite criticism factorys work manship like Lynx very much Its good flier minor shortcomings understood Id recommend average sport flier like especially schedule limits building time feels buying $130 ARF good deal kit looked just about same flaws Charlies did bad glue joints crooked tail too discovered good flying characteristics plane far outweigh slight inconveniences building Lynx can found countrys larger hobby shops can contact Jesse Chao JC Model Supplies PO Box 2406 Fullerton CA 92633 interested have yet heard Slope Soaring News one-year subscrip tion can mere $1595 Contact Char lie Morey 2601 E 19th St #29 Signal Hill CA 90804 already aware great publication tired talking about column promise will last time Charlie does slip few bills time mention SSN column just think does fabulous job Slope flier deserves see himself Slopar Mike Reed has come up yet another great Slope ship what has say about Slopar designed fill need light-air Slope Glider Carefully built Slopar will weigh about 14 oz weight ideal low-lift slopes such beaches calm inland slopes have wind velocity nine 12 mph Glider can ballasted 28 oz flying normal wind conditions basic shape Slopar inspired Aermac chi 229 Par Jet Scale Sailplane efficient clean design will fly very light lift some good looks thrown Slopar designed use small radio gear such Futaba four-channel S-33 servos However fuselage can built suit standard systems versatility low-drag qualities 144 Model Aviation CotI oqte free informotion RJL Industries PO Box 5 Sierra Ma&e CA 91024 818 359-0016 Celebrating 10 years producing largest selection giant scale kits available today Design building integrity scale fidelity scale flight characteristics standard IKON NWST 22 kits choose STINSON SR8 1/5 SCALE 100 $37500 interested Slopar plans available Mike will send folded plans $7 rolled plans $11 money orders Mikes address 1775 mitro Way #5 Corona CA 91720 Banzai Is Slope Soaring alive well north border bet have received letters number fliers throughout Canada cluding Jerry Teo British Columbia Jerry part Banzai Enterprises kitting very nice Slope Soarer called Banzai Heres Jerry tell us little about Ban zat Banzai designed because de sire fly quick-building durable acrobatic Slope Soarer west coast strong ocean breezes provide perfect conditions adrenalin-pumping aerobatics Unfortunately thermal floaters originally used fly marginally breezes ballasted two pounds lead flat-bottom airfoils slowresponding rudder control perform de sired Banzai uses Eppler 374 airfoil cause airfoil provides plenty penetration has great slow-speed characteristics has good inverted performance airfoil incor porated 60-in foam core wing covered Kromekote Kromekote glossy dingresistant covering doesnt need finish ing used other manufacturers substitute balsa sheeting prototypes flown Kromekote has proven have strength durability balsa-covered wing Ailerons used quick smooth roll re sponse Flaperons can also easily added fuselage made A-in light plywood built same way venerable Ugly Stiks unfamiliar powered kit fuselage has preshaped bottom crutch onto pre-cut bulkheads glued machine-sanded sides glued both bottom crutch bulkheads leaving per fectly aligned fuselage takes about 15 min utes build using cyanoacrylate glues fu selage has balsa triangle stock balsa top sheet ing add strength shaping tail sur faces pre-cut machine-sanded sheets Rud der control can added desired has proven unnecessary kit comes two forms basic de luxe basic kit includes precision-cut foam cores wing sheeting LE TE aileron stock sanded fuselage sides bottom crutch bulkheads tail surfaces nose block hatch cover balsa top covering dowels excellent instruction STITS PLAYBOY 1/3 SCALE 88 $15595 package Flying Banzai has fulfilled de sire expectation very aerobatic has fan tastic penetration lands gently very re sponsive flies well light lift thanks Eppler 374 low overall weight plane will thermal soar under suitable conditions 72-in version also available increased thermaling performance Chasing other around sky Combat has proven its agility durability Midairs evasive maneu vers face cliff have shown takes lot kill Banzai However tal quick easy build can easily have ready next week end Sounds like great challenger Cheetah Rubber & Eng Power Free Plight Display Fiorenze Control Line ElectrIc PowerHobby Center Inc R/C Airplanes new Illustrated 32 page plete Line Hobby Supplies tabloid Size catalog ler YellowAircraft US & Canada $100 Foreign $300 available Faatcovar Covering Material Penn Valley Hobby Center it Showroom 135 mm Disney World 837-A W Main St Lanadale PA 19446420 West SR 434 z140713274353 Winter Springs Fl 32708Fax14071327-7145 ~3LIJE RIDGE MACHINERY S TOOLS P0 Box 536-Y Hurricane WV 25526 3045623535 offer complete selection lathes mills end tools Aviation Modeler WOOLSS BICOOST 50*10 PHOtO SERVCE 000 PHOTO PACKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING S*5C Sotarging 500t Catalog $Oo 50 pages 3 m Pep no s SCALE PlANS ad PROJO SEA VICE 3209 Mgdso Ore 500 NC 2 403 Photo 99 292 s239 NoCo July 1989 145 iuliHAT LAKES 2T-1A 1/5 UALE 73 SCALE 64 $19095 TAYLORCRAFT GIANT SCALE 90 Selig 3021 airfoil give plane sparkling persheets scale drawing included instead formance Construction balsawood fullyfull-size plan because prefabrication sheeted wingkit deluxe kit exactly like basic kit ex cept also includes complete hardware COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLO7Z OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HA RD WA RE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS VTBEGINNER RACES Instructions Club Programs NORTHEAST AREA Information Contact North East Pylon Racing Organization 119 Dean AveFranklin Mass 02033 506 529-4043 401 739-2653 huh information Banzai can get touch Jerry Banzai Enterprises 2997 Anderson Ave Port Alberni BC Can ada V9Y2V3 Instructional videotapes Have ever won dered cut foam cores vacuum-bag wings build fiberglass fuselages Did decide beyond abilities just wasnt worth trouble Better days ahead Channel 1 Productions Humble TX has made three fantastic videotapes available RC modeler Cutting Foam Cores Making Templates Covers step-by-step technique foam wings plans automatic hands-off foam cutter will give sharp trailing edges will given videotape bonus Vacuum Bag Fiberglass Wings Buy MaterialsThe videotape gives simplified step-by-step way build composite wings model Sailplanes Power planes Making Fiberglass MoldsThis videotape gives ABCs making fiberglass molds what equipment material will need technique teaches allows manufac ture fiberglass part What think Now can build allglass Slope Racer have dreaming about simply replace old beaten-up foam wing glass fuselage tapes will cost $3495 plus $350 shipping buy two videotapes can get third $2495 plus shipping information con tact Julian Tamez Channel Productions 19827 Bishops Gate Suite No 1 Humble TX 77328 telephone 713 278-4575 Canards flying wings next column will devoted entirely flying wings ca nards Although configurations may look little different offer outstanding perform ance Slope flier Along general dis cussion theories behind unique type aircraft will taking look few kits available Just name few Jades Telos ca nard new Shogun flying wing Bob Sealys Javelin flying wing Future Flights Klingberg fly ing wing new Annihilator Slope Racer RC Electrics/Kopski Continued page 49 very important last itemthe good tight contact has by-product another loss frictionbut loss generally much less loss associated poor resistive brush con tact OK what good stuff Its going take column fully illustrate answer now have no choice ask patience may wish save col umn becausecombined future ones II eventually have lots useful info know make best use fu ture Electrics meantime well get start future Some motor performance data fill blanks above information follows result testing done substantial sample 05-size motors theres intolerable meaning less nomenclature again Mitch Poling Model Builder issues previously mentioned used limited data previously published through laborious manipulation simultaneous equa tions derived motor k resistance etc Since Im fortunate have direct ways determining constants decided get detailed education myself addition would save everyone else may inter ested lot work provide accurate val ues constants would otherwise de rived calculation What follows some rele vant data nine motors consisting seven dif ferent so-called 05 models will evident 05 motors created equal Now some words about data associ ated calculations motor first run two values low voltage prop thin flat two-bladed nearly no-load stick stead practical purposes real load motor internal friction cannot eliminated stick looked like prop tach permitted direct rpm mea surement subsequent determination kthe volts-per-rpm constant two rpm values applied voltage readings averaged calcu late ks listed below Following motor run same prop Top Flite 8 x 4 wood exactly 60 volts applied measured brush termi nals done see motors haved relative other would case fictitious fixed cell count throttle set ting Motor current rpm recorded motor current applied 60 volts multiplied give listed input power watts As will see data prop rpm motor input power varied widely over range sample motors Following applied voltage read justed rpm exactly 9000 done see motor efficiency varied required same workie turn same prop same rpm As will see data motors required just about same input power requiring power least efficient motors also ones largest Rexactly what would expected cause R associated power loss power taken battery available prop diverted making motor hot instead As motor R determined ap plying constant 100 amp electronically regu lated current through motor armature held stalled resulting voltage drop present motor terminals recorded 10 times dif ferent angular positions stalled armature done because small voltage drop varies bit commutator position high est lowest readings discarded remaining eight readings averaged av erage voltage divided 10-amp current pro duced R values listed Finally since some may wonder digital instru mentation used throughout data gathering data average believed quite good Certainly comparative data very good case must keep mind looks like motors volved absolute sample size model indeed limited general have no way knowing particular motor used typi cal particularly good bad Since have have no choice con sider representative particular product Also please note motors run shown operation minute two no implication presentation particular product will sustain test levels indicated see Heres closing thought below Measured Calculated Motor Performance C Pwr 5/k"R MotorVoltsAmpsRPMwattsrpm/voltohms cobalt 60 250 11260 150 2303 0051 05 ** 456 165900075 Ooid 60 213 10600 128 2298 0057 Fire-I 474 156900074 146 Model Aviation OUR REV-UP VERA GES OVEji 9000 PROPS III IMMEDIATE SHIPMENT ON VISA/MC SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUS TOM & STOCK PARTS VAILABLEINDIVIDUALL Y RACE ILIWANNA Q500F-iFAI
Edition: Model Aviation - 1989/07
Page Numbers: 46, 47, 141, 144, 145, 146
SR BATTERIES Just important batter ies Very important course Yet often think about age batteries sim ply overall quality battery packs Probably often enough comes time replace old battery packs might well get best opin ion modelers SR Batteries offers best around give some idea great repu tation SR battery packs have SR makes packs major aerospace companies has recently chosen make packs Space Shuttle program Best packs make modelers go through same con struction testing aerospace dustry SR provides flight pack batteries ranging 50 mAb 4000 mAh available variety configurations Prices very reasonable packs available virtually known connectors information SR battery packs write company Box 287 Bellport NY 11713 Minicraft Lynx 140 Have urge purchase new Sailplane slope just didnt have time build checked out local hobby shops just couldnt find ARF Sailplane would job Finally decided would just have manage what have until could find some free time some building Well thats changed now latest great est wonder world Slope Soaring Lynx 140 Minicraft Slope Sailplane spans 56 makes great trainer flier ready move up world ai lerons ready sit down write compre hensive review Lynx issue Slope Soaring News came mail great-looking PSS Corsair cover just sit down look through issue before did anything else skimming through pages came acrossyou guessed ita great re view Lynx can just hear saying yourself Okay Slope Soaring editor getting little lazy going use SSN review col umn instead writing own Youre right am going use review Its cause am lazy however well maybe just litLeft Now thats what call ARF Minicraft Lynx 140 can completed evening two offers sport flier surprisingly good per formance Photo courtesy JC Model Supplies Right Lynx ready get airborne Its wingspan 56 has full aileron elevator rudder control Foam-core wings Lite Ply fuselage very good performance make little ship sturdy capable aileron trainer 46 Model Aviation Radio Conoi Slope Soaring Mark Triebes 20794 Kreisler Ct Saratoga CA 95070 Simply outrageous preview next column heres photo Shogun Jarel Aircraft Design Engineering subject will canards flying wings Photo Richard Jarel Its Orca killer Sailplane Harley Michaelis latest high-speed work heavy winds pitcheron-controlled ship will featured construction article future issue MA Inspired Aermacchi 229 Par Jet Mike Reeds Slopar outstanding performer light wind conditions Plans available attractive Sailplane Mike Reed Photo tie bit its because Charlie Morey did such great job reviewing Lynx SSN Charlie has ability turn simple kit review teresting reading important can competent accurate analysis plane Hows ego Charlie Hat size getting little big Heres what Charlie has say about Lynx 1 first-test-flight jitters Standing alone Long Beach bluff shiny new Lynx 140 hand trusty Futaba Con quest transmitter other took deep breath mentally prepared get hand back stick quickly could threw plane over edge no wind didnt expect fly just wanted put through test glide soft sand beach below get feel going handle shandle toss sent Lynx straight out about 20 ft went slightly too steep glide picking up speed heart rate gently pulled back stick Lynx pulled up flat level slow smooth glide shocked plane has full-sized Futaba Conquest flight pack three servos ailerons el evator rudder weighs 29 oz 297 sq ft wing adds up 10-oz wing loading Its floater Yet Id find out test flights followed itll stay up surpris ingly light lift itll kick butt wind starts cranking Lynx its nose pulled up turned smoothly using ailerons made large sweeping S-turn greased beach heavy plane t0-oz pod-andboom-plane standards touched lightly slid 50 ft smooth sand leaving straight light trail behind Pretty thought trotted down fetch grinning ear ear Thats ideal first flight opinion Continued page 141 WASHINGTONS AMA BASE. $ 54ecXpie Check day per nght Minimum stay 2 nights Free Parking Cars Free Full Breakfasts Free Metropass Sat Sun Free DC Area Map Free Harringron Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 MMEMBER 1-800-424-8532 628 8140- EEEEIKIII Polyhedral $4495 Aileron $5195 Paul Wilson holds class distance record 66 miles 59 wing span z/sq ft up Ennler 21 4/Selina 4061/Airfoil choice -HIGH QUALITY SAILPLANE KITSTerry Edmonds multi-task sailpianes 10 2 meter 39 oz & up CALLISTO-standard class 44 oz & up BE A_ WINNER CULPEPPER ORDERMODELS INC TODAY2526 Washington DubuqueIA 52001 3191583-4130 Sairiniu END UDXaZRD 7550 Sor Gab e Road codoo CA 93422 4681717 July 1989 47 north border comes Banzai Banzai Enterprises aerobatic Slope Soarer makes ideal ship Combat simply fun flying Photo Jerry Teo Designed Rusty Shaw LeRoy Salterlee AVAILABLE AT AMERICAS FINEST HOBBY SHOPS Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141 ~1~I 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR COD CATALOG $ 200 OR FREE Will-I ORDERS HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 OUR UNE INCLUDES HATORI TETTRA DIGICON CONTROL HORNS MOUNliNG BOLTS INCLUDED 2 PER PACKAGE $ 225 PER PACKAGE WE NEED DEALERS NEW DEALER DISCOUNT PROGRAM ON HARDWARE AND TOOLS ThmviMade America American Technology R/C & U/C ENGINES 15 thru 61 Glow Plugs & Spark Plugs Ignition Engines 29 35 ORIGINAL REPLACEMENT PARTS Kraft 61 Cox Conquest 15 Testor/McCoy Series 21 Taipan 40 HGK Forster Remco Viking twin DC 09 diesel RC Slope Soaring/Triebes Continued page 141 park lawn trimmed original 00/00 wing/stab setting about 20 wing stab incidence very light conditions second windless toss off bluff yielded gentle glide down sand Trim adjustments made radio current condi tions left mechanical adjustments 00 Now needed some wind Assembling made-in-Thailand Lynx 140 should have cinch new owner has epoxy two completely finished wing halves together route control surface ca bles trim mount clear vacuum-formed canopy install radio flight pack major parts completely assembled shaped sanded covered Using five-minute epoxy easily makes one-evening job ran couple problems however made two-evening job required modeling skill equipment should have general complaints concern care wasnt taken assemblers factory Glu ing seems hit-or-miss deal some cases hinges glued solid missed com pletely came loose first flight real lift glue joint down lower right side fuselage forgotten completely yet opposite side sported broad fillet minor problems Any beginning builder can inspect new kit assure glue joints solid glue himself arent No big deal Just aware its part assembly requirements kit annoying problem assembling Lynx 140 having correct another fac tory error full-flying horizontal stabilizer sembly very well designed brass bushing already installed midway up vertical stab its simple matter slide piece wire through slip fully constructed cov ered stab halves over Unfortunately bush ing installed crooked modeler well-equipped shop merely minor annoyance inexpe rienced builder whos got kitchen table cov ered newspapers one-night-stand time limit its major setback popped out bushing threw away grabbed handy piece dowel scrap pile cut length glued place set tail flat Dremel drill press attach ment drilled new hole correct 900 gle didnt have brass tubing correct size new bushing used brass control cable end threaded type solder made new bushing glued place shops kitchen tables well equipped recommend following procedure Carefully cut peel covering back around bushing cut through verti cal stab ahead behind bushing standard X-Acto knife leaving attached top bottom Insert wire pivot square reglue bushing Check squareness both top view front view cut tweak necessary before gluing Touch up ends glue joint small sanding block stick covering back down have suggested Jesse Chao owner JC Model Supplies furnished us kit relay complaints back fac tory Lets hope future Lynxes will made better attention detail Understand please kit difficult build its flaws yet feel ARF customer should have redo work incorrectly done manufac turer thats case might just well build himself first place get right Any aggravation Lynx 140 may have caused workbench soon forgotten once got airborne good lift Its amaz ingly capable flier would make good ail eron trainer flier making transition rudder/elevator aileron/elevator planes very difficult stall does its easy recover can fly light lift can fly very slowly Its very aerobatic thing Ive found far wont go fast mean really fast Itll move out OKas fast fliers want gobut its fast Slope plane typical two-channel pilot enjoyed using three-axis controls Now can really stall turn hammerhead instead chandelle just using rudder instead ailerons also got kick out trying feed correct amount rudder ailerons produce coordinated turn just like full-size airplanes Lynx 140 very pleasant plane fly Ive taken test model out several light-lift days Long Beach exceptionally brisk day Point Fermin handled both sets condi tions easily though vastly different adrenalin levels gave full afternoons flying fun Despite criticism factorys work manship like Lynx very much Its good flier minor shortcomings understood Id recommend average sport flier like especially schedule limits building time feels buying $130 ARF good deal kit looked just about same flaws Charlies did bad glue joints crooked tail too discovered good flying characteristics plane far outweigh slight inconveniences building Lynx can found countrys larger hobby shops can contact Jesse Chao JC Model Supplies PO Box 2406 Fullerton CA 92633 interested have yet heard Slope Soaring News one-year subscrip tion can mere $1595 Contact Char lie Morey 2601 E 19th St #29 Signal Hill CA 90804 already aware great publication tired talking about column promise will last time Charlie does slip few bills time mention SSN column just think does fabulous job Slope flier deserves see himself Slopar Mike Reed has come up yet another great Slope ship what has say about Slopar designed fill need light-air Slope Glider Carefully built Slopar will weigh about 14 oz weight ideal low-lift slopes such beaches calm inland slopes have wind velocity nine 12 mph Glider can ballasted 28 oz flying normal wind conditions basic shape Slopar inspired Aermac chi 229 Par Jet Scale Sailplane efficient clean design will fly very light lift some good looks thrown Slopar designed use small radio gear such Futaba four-channel S-33 servos However fuselage can built suit standard systems versatility low-drag qualities 144 Model Aviation CotI oqte free informotion RJL Industries PO Box 5 Sierra Ma&e CA 91024 818 359-0016 Celebrating 10 years producing largest selection giant scale kits available today Design building integrity scale fidelity scale flight characteristics standard IKON NWST 22 kits choose STINSON SR8 1/5 SCALE 100 $37500 interested Slopar plans available Mike will send folded plans $7 rolled plans $11 money orders Mikes address 1775 mitro Way #5 Corona CA 91720 Banzai Is Slope Soaring alive well north border bet have received letters number fliers throughout Canada cluding Jerry Teo British Columbia Jerry part Banzai Enterprises kitting very nice Slope Soarer called Banzai Heres Jerry tell us little about Ban zat Banzai designed because de sire fly quick-building durable acrobatic Slope Soarer west coast strong ocean breezes provide perfect conditions adrenalin-pumping aerobatics Unfortunately thermal floaters originally used fly marginally breezes ballasted two pounds lead flat-bottom airfoils slowresponding rudder control perform de sired Banzai uses Eppler 374 airfoil cause airfoil provides plenty penetration has great slow-speed characteristics has good inverted performance airfoil incor porated 60-in foam core wing covered Kromekote Kromekote glossy dingresistant covering doesnt need finish ing used other manufacturers substitute balsa sheeting prototypes flown Kromekote has proven have strength durability balsa-covered wing Ailerons used quick smooth roll re sponse Flaperons can also easily added fuselage made A-in light plywood built same way venerable Ugly Stiks unfamiliar powered kit fuselage has preshaped bottom crutch onto pre-cut bulkheads glued machine-sanded sides glued both bottom crutch bulkheads leaving per fectly aligned fuselage takes about 15 min utes build using cyanoacrylate glues fu selage has balsa triangle stock balsa top sheet ing add strength shaping tail sur faces pre-cut machine-sanded sheets Rud der control can added desired has proven unnecessary kit comes two forms basic de luxe basic kit includes precision-cut foam cores wing sheeting LE TE aileron stock sanded fuselage sides bottom crutch bulkheads tail surfaces nose block hatch cover balsa top covering dowels excellent instruction STITS PLAYBOY 1/3 SCALE 88 $15595 package Flying Banzai has fulfilled de sire expectation very aerobatic has fan tastic penetration lands gently very re sponsive flies well light lift thanks Eppler 374 low overall weight plane will thermal soar under suitable conditions 72-in version also available increased thermaling performance Chasing other around sky Combat has proven its agility durability Midairs evasive maneu vers face cliff have shown takes lot kill Banzai However tal quick easy build can easily have ready next week end Sounds like great challenger Cheetah Rubber & Eng Power Free Plight Display Fiorenze Control Line ElectrIc PowerHobby Center Inc R/C Airplanes new Illustrated 32 page plete Line Hobby Supplies tabloid Size catalog ler YellowAircraft US & Canada $100 Foreign $300 available Faatcovar Covering Material Penn Valley Hobby Center it Showroom 135 mm Disney World 837-A W Main St Lanadale PA 19446420 West SR 434 z140713274353 Winter Springs Fl 32708Fax14071327-7145 ~3LIJE RIDGE MACHINERY S TOOLS P0 Box 536-Y Hurricane WV 25526 3045623535 offer complete selection lathes mills end tools Aviation Modeler WOOLSS BICOOST 50*10 PHOtO SERVCE 000 PHOTO PACKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING S*5C Sotarging 500t Catalog $Oo 50 pages 3 m Pep no s SCALE PlANS ad PROJO SEA VICE 3209 Mgdso Ore 500 NC 2 403 Photo 99 292 s239 NoCo July 1989 145 iuliHAT LAKES 2T-1A 1/5 UALE 73 SCALE 64 $19095 TAYLORCRAFT GIANT SCALE 90 Selig 3021 airfoil give plane sparkling persheets scale drawing included instead formance Construction balsawood fullyfull-size plan because prefabrication sheeted wingkit deluxe kit exactly like basic kit ex cept also includes complete hardware COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLO7Z OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HA RD WA RE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS VTBEGINNER RACES Instructions Club Programs NORTHEAST AREA Information Contact North East Pylon Racing Organization 119 Dean AveFranklin Mass 02033 506 529-4043 401 739-2653 huh information Banzai can get touch Jerry Banzai Enterprises 2997 Anderson Ave Port Alberni BC Can ada V9Y2V3 Instructional videotapes Have ever won dered cut foam cores vacuum-bag wings build fiberglass fuselages Did decide beyond abilities just wasnt worth trouble Better days ahead Channel 1 Productions Humble TX has made three fantastic videotapes available RC modeler Cutting Foam Cores Making Templates Covers step-by-step technique foam wings plans automatic hands-off foam cutter will give sharp trailing edges will given videotape bonus Vacuum Bag Fiberglass Wings Buy MaterialsThe videotape gives simplified step-by-step way build composite wings model Sailplanes Power planes Making Fiberglass MoldsThis videotape gives ABCs making fiberglass molds what equipment material will need technique teaches allows manufac ture fiberglass part What think Now can build allglass Slope Racer have dreaming about simply replace old beaten-up foam wing glass fuselage tapes will cost $3495 plus $350 shipping buy two videotapes can get third $2495 plus shipping information con tact Julian Tamez Channel Productions 19827 Bishops Gate Suite No 1 Humble TX 77328 telephone 713 278-4575 Canards flying wings next column will devoted entirely flying wings ca nards Although configurations may look little different offer outstanding perform ance Slope flier Along general dis cussion theories behind unique type aircraft will taking look few kits available Just name few Jades Telos ca nard new Shogun flying wing Bob Sealys Javelin flying wing Future Flights Klingberg fly ing wing new Annihilator Slope Racer RC Electrics/Kopski Continued page 49 very important last itemthe good tight contact has by-product another loss frictionbut loss generally much less loss associated poor resistive brush con tact OK what good stuff Its going take column fully illustrate answer now have no choice ask patience may wish save col umn becausecombined future ones II eventually have lots useful info know make best use fu ture Electrics meantime well get start future Some motor performance data fill blanks above information follows result testing done substantial sample 05-size motors theres intolerable meaning less nomenclature again Mitch Poling Model Builder issues previously mentioned used limited data previously published through laborious manipulation simultaneous equa tions derived motor k resistance etc Since Im fortunate have direct ways determining constants decided get detailed education myself addition would save everyone else may inter ested lot work provide accurate val ues constants would otherwise de rived calculation What follows some rele vant data nine motors consisting seven dif ferent so-called 05 models will evident 05 motors created equal Now some words about data associ ated calculations motor first run two values low voltage prop thin flat two-bladed nearly no-load stick stead practical purposes real load motor internal friction cannot eliminated stick looked like prop tach permitted direct rpm mea surement subsequent determination kthe volts-per-rpm constant two rpm values applied voltage readings averaged calcu late ks listed below Following motor run same prop Top Flite 8 x 4 wood exactly 60 volts applied measured brush termi nals done see motors haved relative other would case fictitious fixed cell count throttle set ting Motor current rpm recorded motor current applied 60 volts multiplied give listed input power watts As will see data prop rpm motor input power varied widely over range sample motors Following applied voltage read justed rpm exactly 9000 done see motor efficiency varied required same workie turn same prop same rpm As will see data motors required just about same input power requiring power least efficient motors also ones largest Rexactly what would expected cause R associated power loss power taken battery available prop diverted making motor hot instead As motor R determined ap plying constant 100 amp electronically regu lated current through motor armature held stalled resulting voltage drop present motor terminals recorded 10 times dif ferent angular positions stalled armature done because small voltage drop varies bit commutator position high est lowest readings discarded remaining eight readings averaged av erage voltage divided 10-amp current pro duced R values listed Finally since some may wonder digital instru mentation used throughout data gathering data average believed quite good Certainly comparative data very good case must keep mind looks like motors volved absolute sample size model indeed limited general have no way knowing particular motor used typi cal particularly good bad Since have have no choice con sider representative particular product Also please note motors run shown operation minute two no implication presentation particular product will sustain test levels indicated see Heres closing thought below Measured Calculated Motor Performance C Pwr 5/k"R MotorVoltsAmpsRPMwattsrpm/voltohms cobalt 60 250 11260 150 2303 0051 05 ** 456 165900075 Ooid 60 213 10600 128 2298 0057 Fire-I 474 156900074 146 Model Aviation OUR REV-UP VERA GES OVEji 9000 PROPS III IMMEDIATE SHIPMENT ON VISA/MC SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUS TOM & STOCK PARTS VAILABLEINDIVIDUALL Y RACE ILIWANNA Q500F-iFAI
Edition: Model Aviation - 1989/07
Page Numbers: 46, 47, 141, 144, 145, 146
SR BATTERIES Just important batter ies Very important course Yet often think about age batteries sim ply overall quality battery packs Probably often enough comes time replace old battery packs might well get best opin ion modelers SR Batteries offers best around give some idea great repu tation SR battery packs have SR makes packs major aerospace companies has recently chosen make packs Space Shuttle program Best packs make modelers go through same con struction testing aerospace dustry SR provides flight pack batteries ranging 50 mAb 4000 mAh available variety configurations Prices very reasonable packs available virtually known connectors information SR battery packs write company Box 287 Bellport NY 11713 Minicraft Lynx 140 Have urge purchase new Sailplane slope just didnt have time build checked out local hobby shops just couldnt find ARF Sailplane would job Finally decided would just have manage what have until could find some free time some building Well thats changed now latest great est wonder world Slope Soaring Lynx 140 Minicraft Slope Sailplane spans 56 makes great trainer flier ready move up world ai lerons ready sit down write compre hensive review Lynx issue Slope Soaring News came mail great-looking PSS Corsair cover just sit down look through issue before did anything else skimming through pages came acrossyou guessed ita great re view Lynx can just hear saying yourself Okay Slope Soaring editor getting little lazy going use SSN review col umn instead writing own Youre right am going use review Its cause am lazy however well maybe just litLeft Now thats what call ARF Minicraft Lynx 140 can completed evening two offers sport flier surprisingly good per formance Photo courtesy JC Model Supplies Right Lynx ready get airborne Its wingspan 56 has full aileron elevator rudder control Foam-core wings Lite Ply fuselage very good performance make little ship sturdy capable aileron trainer 46 Model Aviation Radio Conoi Slope Soaring Mark Triebes 20794 Kreisler Ct Saratoga CA 95070 Simply outrageous preview next column heres photo Shogun Jarel Aircraft Design Engineering subject will canards flying wings Photo Richard Jarel Its Orca killer Sailplane Harley Michaelis latest high-speed work heavy winds pitcheron-controlled ship will featured construction article future issue MA Inspired Aermacchi 229 Par Jet Mike Reeds Slopar outstanding performer light wind conditions Plans available attractive Sailplane Mike Reed Photo tie bit its because Charlie Morey did such great job reviewing Lynx SSN Charlie has ability turn simple kit review teresting reading important can competent accurate analysis plane Hows ego Charlie Hat size getting little big Heres what Charlie has say about Lynx 1 first-test-flight jitters Standing alone Long Beach bluff shiny new Lynx 140 hand trusty Futaba Con quest transmitter other took deep breath mentally prepared get hand back stick quickly could threw plane over edge no wind didnt expect fly just wanted put through test glide soft sand beach below get feel going handle shandle toss sent Lynx straight out about 20 ft went slightly too steep glide picking up speed heart rate gently pulled back stick Lynx pulled up flat level slow smooth glide shocked plane has full-sized Futaba Conquest flight pack three servos ailerons el evator rudder weighs 29 oz 297 sq ft wing adds up 10-oz wing loading Its floater Yet Id find out test flights followed itll stay up surpris ingly light lift itll kick butt wind starts cranking Lynx its nose pulled up turned smoothly using ailerons made large sweeping S-turn greased beach heavy plane t0-oz pod-andboom-plane standards touched lightly slid 50 ft smooth sand leaving straight light trail behind Pretty thought trotted down fetch grinning ear ear Thats ideal first flight opinion Continued page 141 WASHINGTONS AMA BASE. $ 54ecXpie Check day per nght Minimum stay 2 nights Free Parking Cars Free Full Breakfasts Free Metropass Sat Sun Free DC Area Map Free Harringron Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 MMEMBER 1-800-424-8532 628 8140- EEEEIKIII Polyhedral $4495 Aileron $5195 Paul Wilson holds class distance record 66 miles 59 wing span z/sq ft up Ennler 21 4/Selina 4061/Airfoil choice -HIGH QUALITY SAILPLANE KITSTerry Edmonds multi-task sailpianes 10 2 meter 39 oz & up CALLISTO-standard class 44 oz & up BE A_ WINNER CULPEPPER ORDERMODELS INC TODAY2526 Washington DubuqueIA 52001 3191583-4130 Sairiniu END UDXaZRD 7550 Sor Gab e Road codoo CA 93422 4681717 July 1989 47 north border comes Banzai Banzai Enterprises aerobatic Slope Soarer makes ideal ship Combat simply fun flying Photo Jerry Teo Designed Rusty Shaw LeRoy Salterlee AVAILABLE AT AMERICAS FINEST HOBBY SHOPS Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141 ~1~I 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR COD CATALOG $ 200 OR FREE Will-I ORDERS HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 OUR UNE INCLUDES HATORI TETTRA DIGICON CONTROL HORNS MOUNliNG BOLTS INCLUDED 2 PER PACKAGE $ 225 PER PACKAGE WE NEED DEALERS NEW DEALER DISCOUNT PROGRAM ON HARDWARE AND TOOLS ThmviMade America American Technology R/C & U/C ENGINES 15 thru 61 Glow Plugs & Spark Plugs Ignition Engines 29 35 ORIGINAL REPLACEMENT PARTS Kraft 61 Cox Conquest 15 Testor/McCoy Series 21 Taipan 40 HGK Forster Remco Viking twin DC 09 diesel RC Slope Soaring/Triebes Continued page 141 park lawn trimmed original 00/00 wing/stab setting about 20 wing stab incidence very light conditions second windless toss off bluff yielded gentle glide down sand Trim adjustments made radio current condi tions left mechanical adjustments 00 Now needed some wind Assembling made-in-Thailand Lynx 140 should have cinch new owner has epoxy two completely finished wing halves together route control surface ca bles trim mount clear vacuum-formed canopy install radio flight pack major parts completely assembled shaped sanded covered Using five-minute epoxy easily makes one-evening job ran couple problems however made two-evening job required modeling skill equipment should have general complaints concern care wasnt taken assemblers factory Glu ing seems hit-or-miss deal some cases hinges glued solid missed com pletely came loose first flight real lift glue joint down lower right side fuselage forgotten completely yet opposite side sported broad fillet minor problems Any beginning builder can inspect new kit assure glue joints solid glue himself arent No big deal Just aware its part assembly requirements kit annoying problem assembling Lynx 140 having correct another fac tory error full-flying horizontal stabilizer sembly very well designed brass bushing already installed midway up vertical stab its simple matter slide piece wire through slip fully constructed cov ered stab halves over Unfortunately bush ing installed crooked modeler well-equipped shop merely minor annoyance inexpe rienced builder whos got kitchen table cov ered newspapers one-night-stand time limit its major setback popped out bushing threw away grabbed handy piece dowel scrap pile cut length glued place set tail flat Dremel drill press attach ment drilled new hole correct 900 gle didnt have brass tubing correct size new bushing used brass control cable end threaded type solder made new bushing glued place shops kitchen tables well equipped recommend following procedure Carefully cut peel covering back around bushing cut through verti cal stab ahead behind bushing standard X-Acto knife leaving attached top bottom Insert wire pivot square reglue bushing Check squareness both top view front view cut tweak necessary before gluing Touch up ends glue joint small sanding block stick covering back down have suggested Jesse Chao owner JC Model Supplies furnished us kit relay complaints back fac tory Lets hope future Lynxes will made better attention detail Understand please kit difficult build its flaws yet feel ARF customer should have redo work incorrectly done manufac turer thats case might just well build himself first place get right Any aggravation Lynx 140 may have caused workbench soon forgotten once got airborne good lift Its amaz ingly capable flier would make good ail eron trainer flier making transition rudder/elevator aileron/elevator planes very difficult stall does its easy recover can fly light lift can fly very slowly Its very aerobatic thing Ive found far wont go fast mean really fast Itll move out OKas fast fliers want gobut its fast Slope plane typical two-channel pilot enjoyed using three-axis controls Now can really stall turn hammerhead instead chandelle just using rudder instead ailerons also got kick out trying feed correct amount rudder ailerons produce coordinated turn just like full-size airplanes Lynx 140 very pleasant plane fly Ive taken test model out several light-lift days Long Beach exceptionally brisk day Point Fermin handled both sets condi tions easily though vastly different adrenalin levels gave full afternoons flying fun Despite criticism factorys work manship like Lynx very much Its good flier minor shortcomings understood Id recommend average sport flier like especially schedule limits building time feels buying $130 ARF good deal kit looked just about same flaws Charlies did bad glue joints crooked tail too discovered good flying characteristics plane far outweigh slight inconveniences building Lynx can found countrys larger hobby shops can contact Jesse Chao JC Model Supplies PO Box 2406 Fullerton CA 92633 interested have yet heard Slope Soaring News one-year subscrip tion can mere $1595 Contact Char lie Morey 2601 E 19th St #29 Signal Hill CA 90804 already aware great publication tired talking about column promise will last time Charlie does slip few bills time mention SSN column just think does fabulous job Slope flier deserves see himself Slopar Mike Reed has come up yet another great Slope ship what has say about Slopar designed fill need light-air Slope Glider Carefully built Slopar will weigh about 14 oz weight ideal low-lift slopes such beaches calm inland slopes have wind velocity nine 12 mph Glider can ballasted 28 oz flying normal wind conditions basic shape Slopar inspired Aermac chi 229 Par Jet Scale Sailplane efficient clean design will fly very light lift some good looks thrown Slopar designed use small radio gear such Futaba four-channel S-33 servos However fuselage can built suit standard systems versatility low-drag qualities 144 Model Aviation CotI oqte free informotion RJL Industries PO Box 5 Sierra Ma&e CA 91024 818 359-0016 Celebrating 10 years producing largest selection giant scale kits available today Design building integrity scale fidelity scale flight characteristics standard IKON NWST 22 kits choose STINSON SR8 1/5 SCALE 100 $37500 interested Slopar plans available Mike will send folded plans $7 rolled plans $11 money orders Mikes address 1775 mitro Way #5 Corona CA 91720 Banzai Is Slope Soaring alive well north border bet have received letters number fliers throughout Canada cluding Jerry Teo British Columbia Jerry part Banzai Enterprises kitting very nice Slope Soarer called Banzai Heres Jerry tell us little about Ban zat Banzai designed because de sire fly quick-building durable acrobatic Slope Soarer west coast strong ocean breezes provide perfect conditions adrenalin-pumping aerobatics Unfortunately thermal floaters originally used fly marginally breezes ballasted two pounds lead flat-bottom airfoils slowresponding rudder control perform de sired Banzai uses Eppler 374 airfoil cause airfoil provides plenty penetration has great slow-speed characteristics has good inverted performance airfoil incor porated 60-in foam core wing covered Kromekote Kromekote glossy dingresistant covering doesnt need finish ing used other manufacturers substitute balsa sheeting prototypes flown Kromekote has proven have strength durability balsa-covered wing Ailerons used quick smooth roll re sponse Flaperons can also easily added fuselage made A-in light plywood built same way venerable Ugly Stiks unfamiliar powered kit fuselage has preshaped bottom crutch onto pre-cut bulkheads glued machine-sanded sides glued both bottom crutch bulkheads leaving per fectly aligned fuselage takes about 15 min utes build using cyanoacrylate glues fu selage has balsa triangle stock balsa top sheet ing add strength shaping tail sur faces pre-cut machine-sanded sheets Rud der control can added desired has proven unnecessary kit comes two forms basic de luxe basic kit includes precision-cut foam cores wing sheeting LE TE aileron stock sanded fuselage sides bottom crutch bulkheads tail surfaces nose block hatch cover balsa top covering dowels excellent instruction STITS PLAYBOY 1/3 SCALE 88 $15595 package Flying Banzai has fulfilled de sire expectation very aerobatic has fan tastic penetration lands gently very re sponsive flies well light lift thanks Eppler 374 low overall weight plane will thermal soar under suitable conditions 72-in version also available increased thermaling performance Chasing other around sky Combat has proven its agility durability Midairs evasive maneu vers face cliff have shown takes lot kill Banzai However tal quick easy build can easily have ready next week end Sounds like great challenger Cheetah Rubber & Eng Power Free Plight Display Fiorenze Control Line ElectrIc PowerHobby Center Inc R/C Airplanes new Illustrated 32 page plete Line Hobby Supplies tabloid Size catalog ler YellowAircraft US & Canada $100 Foreign $300 available Faatcovar Covering Material Penn Valley Hobby Center it Showroom 135 mm Disney World 837-A W Main St Lanadale PA 19446420 West SR 434 z140713274353 Winter Springs Fl 32708Fax14071327-7145 ~3LIJE RIDGE MACHINERY S TOOLS P0 Box 536-Y Hurricane WV 25526 3045623535 offer complete selection lathes mills end tools Aviation Modeler WOOLSS BICOOST 50*10 PHOtO SERVCE 000 PHOTO PACKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING S*5C Sotarging 500t Catalog $Oo 50 pages 3 m Pep no s SCALE PlANS ad PROJO SEA VICE 3209 Mgdso Ore 500 NC 2 403 Photo 99 292 s239 NoCo July 1989 145 iuliHAT LAKES 2T-1A 1/5 UALE 73 SCALE 64 $19095 TAYLORCRAFT GIANT SCALE 90 Selig 3021 airfoil give plane sparkling persheets scale drawing included instead formance Construction balsawood fullyfull-size plan because prefabrication sheeted wingkit deluxe kit exactly like basic kit ex cept also includes complete hardware COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLO7Z OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HA RD WA RE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS VTBEGINNER RACES Instructions Club Programs NORTHEAST AREA Information Contact North East Pylon Racing Organization 119 Dean AveFranklin Mass 02033 506 529-4043 401 739-2653 huh information Banzai can get touch Jerry Banzai Enterprises 2997 Anderson Ave Port Alberni BC Can ada V9Y2V3 Instructional videotapes Have ever won dered cut foam cores vacuum-bag wings build fiberglass fuselages Did decide beyond abilities just wasnt worth trouble Better days ahead Channel 1 Productions Humble TX has made three fantastic videotapes available RC modeler Cutting Foam Cores Making Templates Covers step-by-step technique foam wings plans automatic hands-off foam cutter will give sharp trailing edges will given videotape bonus Vacuum Bag Fiberglass Wings Buy MaterialsThe videotape gives simplified step-by-step way build composite wings model Sailplanes Power planes Making Fiberglass MoldsThis videotape gives ABCs making fiberglass molds what equipment material will need technique teaches allows manufac ture fiberglass part What think Now can build allglass Slope Racer have dreaming about simply replace old beaten-up foam wing glass fuselage tapes will cost $3495 plus $350 shipping buy two videotapes can get third $2495 plus shipping information con tact Julian Tamez Channel Productions 19827 Bishops Gate Suite No 1 Humble TX 77328 telephone 713 278-4575 Canards flying wings next column will devoted entirely flying wings ca nards Although configurations may look little different offer outstanding perform ance Slope flier Along general dis cussion theories behind unique type aircraft will taking look few kits available Just name few Jades Telos ca nard new Shogun flying wing Bob Sealys Javelin flying wing Future Flights Klingberg fly ing wing new Annihilator Slope Racer RC Electrics/Kopski Continued page 49 very important last itemthe good tight contact has by-product another loss frictionbut loss generally much less loss associated poor resistive brush con tact OK what good stuff Its going take column fully illustrate answer now have no choice ask patience may wish save col umn becausecombined future ones II eventually have lots useful info know make best use fu ture Electrics meantime well get start future Some motor performance data fill blanks above information follows result testing done substantial sample 05-size motors theres intolerable meaning less nomenclature again Mitch Poling Model Builder issues previously mentioned used limited data previously published through laborious manipulation simultaneous equa tions derived motor k resistance etc Since Im fortunate have direct ways determining constants decided get detailed education myself addition would save everyone else may inter ested lot work provide accurate val ues constants would otherwise de rived calculation What follows some rele vant data nine motors consisting seven dif ferent so-called 05 models will evident 05 motors created equal Now some words about data associ ated calculations motor first run two values low voltage prop thin flat two-bladed nearly no-load stick stead practical purposes real load motor internal friction cannot eliminated stick looked like prop tach permitted direct rpm mea surement subsequent determination kthe volts-per-rpm constant two rpm values applied voltage readings averaged calcu late ks listed below Following motor run same prop Top Flite 8 x 4 wood exactly 60 volts applied measured brush termi nals done see motors haved relative other would case fictitious fixed cell count throttle set ting Motor current rpm recorded motor current applied 60 volts multiplied give listed input power watts As will see data prop rpm motor input power varied widely over range sample motors Following applied voltage read justed rpm exactly 9000 done see motor efficiency varied required same workie turn same prop same rpm As will see data motors required just about same input power requiring power least efficient motors also ones largest Rexactly what would expected cause R associated power loss power taken battery available prop diverted making motor hot instead As motor R determined ap plying constant 100 amp electronically regu lated current through motor armature held stalled resulting voltage drop present motor terminals recorded 10 times dif ferent angular positions stalled armature done because small voltage drop varies bit commutator position high est lowest readings discarded remaining eight readings averaged av erage voltage divided 10-amp current pro duced R values listed Finally since some may wonder digital instru mentation used throughout data gathering data average believed quite good Certainly comparative data very good case must keep mind looks like motors volved absolute sample size model indeed limited general have no way knowing particular motor used typi cal particularly good bad Since have have no choice con sider representative particular product Also please note motors run shown operation minute two no implication presentation particular product will sustain test levels indicated see Heres closing thought below Measured Calculated Motor Performance C Pwr 5/k"R MotorVoltsAmpsRPMwattsrpm/voltohms cobalt 60 250 11260 150 2303 0051 05 ** 456 165900075 Ooid 60 213 10600 128 2298 0057 Fire-I 474 156900074 146 Model Aviation OUR REV-UP VERA GES OVEji 9000 PROPS III IMMEDIATE SHIPMENT ON VISA/MC SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUS TOM & STOCK PARTS VAILABLEINDIVIDUALL Y RACE ILIWANNA Q500F-iFAI
Edition: Model Aviation - 1989/07
Page Numbers: 46, 47, 141, 144, 145, 146
SR BATTERIES Just important batter ies Very important course Yet often think about age batteries sim ply overall quality battery packs Probably often enough comes time replace old battery packs might well get best opin ion modelers SR Batteries offers best around give some idea great repu tation SR battery packs have SR makes packs major aerospace companies has recently chosen make packs Space Shuttle program Best packs make modelers go through same con struction testing aerospace dustry SR provides flight pack batteries ranging 50 mAb 4000 mAh available variety configurations Prices very reasonable packs available virtually known connectors information SR battery packs write company Box 287 Bellport NY 11713 Minicraft Lynx 140 Have urge purchase new Sailplane slope just didnt have time build checked out local hobby shops just couldnt find ARF Sailplane would job Finally decided would just have manage what have until could find some free time some building Well thats changed now latest great est wonder world Slope Soaring Lynx 140 Minicraft Slope Sailplane spans 56 makes great trainer flier ready move up world ai lerons ready sit down write compre hensive review Lynx issue Slope Soaring News came mail great-looking PSS Corsair cover just sit down look through issue before did anything else skimming through pages came acrossyou guessed ita great re view Lynx can just hear saying yourself Okay Slope Soaring editor getting little lazy going use SSN review col umn instead writing own Youre right am going use review Its cause am lazy however well maybe just litLeft Now thats what call ARF Minicraft Lynx 140 can completed evening two offers sport flier surprisingly good per formance Photo courtesy JC Model Supplies Right Lynx ready get airborne Its wingspan 56 has full aileron elevator rudder control Foam-core wings Lite Ply fuselage very good performance make little ship sturdy capable aileron trainer 46 Model Aviation Radio Conoi Slope Soaring Mark Triebes 20794 Kreisler Ct Saratoga CA 95070 Simply outrageous preview next column heres photo Shogun Jarel Aircraft Design Engineering subject will canards flying wings Photo Richard Jarel Its Orca killer Sailplane Harley Michaelis latest high-speed work heavy winds pitcheron-controlled ship will featured construction article future issue MA Inspired Aermacchi 229 Par Jet Mike Reeds Slopar outstanding performer light wind conditions Plans available attractive Sailplane Mike Reed Photo tie bit its because Charlie Morey did such great job reviewing Lynx SSN Charlie has ability turn simple kit review teresting reading important can competent accurate analysis plane Hows ego Charlie Hat size getting little big Heres what Charlie has say about Lynx 1 first-test-flight jitters Standing alone Long Beach bluff shiny new Lynx 140 hand trusty Futaba Con quest transmitter other took deep breath mentally prepared get hand back stick quickly could threw plane over edge no wind didnt expect fly just wanted put through test glide soft sand beach below get feel going handle shandle toss sent Lynx straight out about 20 ft went slightly too steep glide picking up speed heart rate gently pulled back stick Lynx pulled up flat level slow smooth glide shocked plane has full-sized Futaba Conquest flight pack three servos ailerons el evator rudder weighs 29 oz 297 sq ft wing adds up 10-oz wing loading Its floater Yet Id find out test flights followed itll stay up surpris ingly light lift itll kick butt wind starts cranking Lynx its nose pulled up turned smoothly using ailerons made large sweeping S-turn greased beach heavy plane t0-oz pod-andboom-plane standards touched lightly slid 50 ft smooth sand leaving straight light trail behind Pretty thought trotted down fetch grinning ear ear Thats ideal first flight opinion Continued page 141 WASHINGTONS AMA BASE. $ 54ecXpie Check day per nght Minimum stay 2 nights Free Parking Cars Free Full Breakfasts Free Metropass Sat Sun Free DC Area Map Free Harringron Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 MMEMBER 1-800-424-8532 628 8140- EEEEIKIII Polyhedral $4495 Aileron $5195 Paul Wilson holds class distance record 66 miles 59 wing span z/sq ft up Ennler 21 4/Selina 4061/Airfoil choice -HIGH QUALITY SAILPLANE KITSTerry Edmonds multi-task sailpianes 10 2 meter 39 oz & up CALLISTO-standard class 44 oz & up BE A_ WINNER CULPEPPER ORDERMODELS INC TODAY2526 Washington DubuqueIA 52001 3191583-4130 Sairiniu END UDXaZRD 7550 Sor Gab e Road codoo CA 93422 4681717 July 1989 47 north border comes Banzai Banzai Enterprises aerobatic Slope Soarer makes ideal ship Combat simply fun flying Photo Jerry Teo Designed Rusty Shaw LeRoy Salterlee AVAILABLE AT AMERICAS FINEST HOBBY SHOPS Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141 ~1~I 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR COD CATALOG $ 200 OR FREE Will-I ORDERS HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 OUR UNE INCLUDES HATORI TETTRA DIGICON CONTROL HORNS MOUNliNG BOLTS INCLUDED 2 PER PACKAGE $ 225 PER PACKAGE WE NEED DEALERS NEW DEALER DISCOUNT PROGRAM ON HARDWARE AND TOOLS ThmviMade America American Technology R/C & U/C ENGINES 15 thru 61 Glow Plugs & Spark Plugs Ignition Engines 29 35 ORIGINAL REPLACEMENT PARTS Kraft 61 Cox Conquest 15 Testor/McCoy Series 21 Taipan 40 HGK Forster Remco Viking twin DC 09 diesel RC Slope Soaring/Triebes Continued page 141 park lawn trimmed original 00/00 wing/stab setting about 20 wing stab incidence very light conditions second windless toss off bluff yielded gentle glide down sand Trim adjustments made radio current condi tions left mechanical adjustments 00 Now needed some wind Assembling made-in-Thailand Lynx 140 should have cinch new owner has epoxy two completely finished wing halves together route control surface ca bles trim mount clear vacuum-formed canopy install radio flight pack major parts completely assembled shaped sanded covered Using five-minute epoxy easily makes one-evening job ran couple problems however made two-evening job required modeling skill equipment should have general complaints concern care wasnt taken assemblers factory Glu ing seems hit-or-miss deal some cases hinges glued solid missed com pletely came loose first flight real lift glue joint down lower right side fuselage forgotten completely yet opposite side sported broad fillet minor problems Any beginning builder can inspect new kit assure glue joints solid glue himself arent No big deal Just aware its part assembly requirements kit annoying problem assembling Lynx 140 having correct another fac tory error full-flying horizontal stabilizer sembly very well designed brass bushing already installed midway up vertical stab its simple matter slide piece wire through slip fully constructed cov ered stab halves over Unfortunately bush ing installed crooked modeler well-equipped shop merely minor annoyance inexpe rienced builder whos got kitchen table cov ered newspapers one-night-stand time limit its major setback popped out bushing threw away grabbed handy piece dowel scrap pile cut length glued place set tail flat Dremel drill press attach ment drilled new hole correct 900 gle didnt have brass tubing correct size new bushing used brass control cable end threaded type solder made new bushing glued place shops kitchen tables well equipped recommend following procedure Carefully cut peel covering back around bushing cut through verti cal stab ahead behind bushing standard X-Acto knife leaving attached top bottom Insert wire pivot square reglue bushing Check squareness both top view front view cut tweak necessary before gluing Touch up ends glue joint small sanding block stick covering back down have suggested Jesse Chao owner JC Model Supplies furnished us kit relay complaints back fac tory Lets hope future Lynxes will made better attention detail Understand please kit difficult build its flaws yet feel ARF customer should have redo work incorrectly done manufac turer thats case might just well build himself first place get right Any aggravation Lynx 140 may have caused workbench soon forgotten once got airborne good lift Its amaz ingly capable flier would make good ail eron trainer flier making transition rudder/elevator aileron/elevator planes very difficult stall does its easy recover can fly light lift can fly very slowly Its very aerobatic thing Ive found far wont go fast mean really fast Itll move out OKas fast fliers want gobut its fast Slope plane typical two-channel pilot enjoyed using three-axis controls Now can really stall turn hammerhead instead chandelle just using rudder instead ailerons also got kick out trying feed correct amount rudder ailerons produce coordinated turn just like full-size airplanes Lynx 140 very pleasant plane fly Ive taken test model out several light-lift days Long Beach exceptionally brisk day Point Fermin handled both sets condi tions easily though vastly different adrenalin levels gave full afternoons flying fun Despite criticism factorys work manship like Lynx very much Its good flier minor shortcomings understood Id recommend average sport flier like especially schedule limits building time feels buying $130 ARF good deal kit looked just about same flaws Charlies did bad glue joints crooked tail too discovered good flying characteristics plane far outweigh slight inconveniences building Lynx can found countrys larger hobby shops can contact Jesse Chao JC Model Supplies PO Box 2406 Fullerton CA 92633 interested have yet heard Slope Soaring News one-year subscrip tion can mere $1595 Contact Char lie Morey 2601 E 19th St #29 Signal Hill CA 90804 already aware great publication tired talking about column promise will last time Charlie does slip few bills time mention SSN column just think does fabulous job Slope flier deserves see himself Slopar Mike Reed has come up yet another great Slope ship what has say about Slopar designed fill need light-air Slope Glider Carefully built Slopar will weigh about 14 oz weight ideal low-lift slopes such beaches calm inland slopes have wind velocity nine 12 mph Glider can ballasted 28 oz flying normal wind conditions basic shape Slopar inspired Aermac chi 229 Par Jet Scale Sailplane efficient clean design will fly very light lift some good looks thrown Slopar designed use small radio gear such Futaba four-channel S-33 servos However fuselage can built suit standard systems versatility low-drag qualities 144 Model Aviation CotI oqte free informotion RJL Industries PO Box 5 Sierra Ma&e CA 91024 818 359-0016 Celebrating 10 years producing largest selection giant scale kits available today Design building integrity scale fidelity scale flight characteristics standard IKON NWST 22 kits choose STINSON SR8 1/5 SCALE 100 $37500 interested Slopar plans available Mike will send folded plans $7 rolled plans $11 money orders Mikes address 1775 mitro Way #5 Corona CA 91720 Banzai Is Slope Soaring alive well north border bet have received letters number fliers throughout Canada cluding Jerry Teo British Columbia Jerry part Banzai Enterprises kitting very nice Slope Soarer called Banzai Heres Jerry tell us little about Ban zat Banzai designed because de sire fly quick-building durable acrobatic Slope Soarer west coast strong ocean breezes provide perfect conditions adrenalin-pumping aerobatics Unfortunately thermal floaters originally used fly marginally breezes ballasted two pounds lead flat-bottom airfoils slowresponding rudder control perform de sired Banzai uses Eppler 374 airfoil cause airfoil provides plenty penetration has great slow-speed characteristics has good inverted performance airfoil incor porated 60-in foam core wing covered Kromekote Kromekote glossy dingresistant covering doesnt need finish ing used other manufacturers substitute balsa sheeting prototypes flown Kromekote has proven have strength durability balsa-covered wing Ailerons used quick smooth roll re sponse Flaperons can also easily added fuselage made A-in light plywood built same way venerable Ugly Stiks unfamiliar powered kit fuselage has preshaped bottom crutch onto pre-cut bulkheads glued machine-sanded sides glued both bottom crutch bulkheads leaving per fectly aligned fuselage takes about 15 min utes build using cyanoacrylate glues fu selage has balsa triangle stock balsa top sheet ing add strength shaping tail sur faces pre-cut machine-sanded sheets Rud der control can added desired has proven unnecessary kit comes two forms basic de luxe basic kit includes precision-cut foam cores wing sheeting LE TE aileron stock sanded fuselage sides bottom crutch bulkheads tail surfaces nose block hatch cover balsa top covering dowels excellent instruction STITS PLAYBOY 1/3 SCALE 88 $15595 package Flying Banzai has fulfilled de sire expectation very aerobatic has fan tastic penetration lands gently very re sponsive flies well light lift thanks Eppler 374 low overall weight plane will thermal soar under suitable conditions 72-in version also available increased thermaling performance Chasing other around sky Combat has proven its agility durability Midairs evasive maneu vers face cliff have shown takes lot kill Banzai However tal quick easy build can easily have ready next week end Sounds like great challenger Cheetah Rubber & Eng Power Free Plight Display Fiorenze Control Line ElectrIc PowerHobby Center Inc R/C Airplanes new Illustrated 32 page plete Line Hobby Supplies tabloid Size catalog ler YellowAircraft US & Canada $100 Foreign $300 available Faatcovar Covering Material Penn Valley Hobby Center it Showroom 135 mm Disney World 837-A W Main St Lanadale PA 19446420 West SR 434 z140713274353 Winter Springs Fl 32708Fax14071327-7145 ~3LIJE RIDGE MACHINERY S TOOLS P0 Box 536-Y Hurricane WV 25526 3045623535 offer complete selection lathes mills end tools Aviation Modeler WOOLSS BICOOST 50*10 PHOtO SERVCE 000 PHOTO PACKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING S*5C Sotarging 500t Catalog $Oo 50 pages 3 m Pep no s SCALE PlANS ad PROJO SEA VICE 3209 Mgdso Ore 500 NC 2 403 Photo 99 292 s239 NoCo July 1989 145 iuliHAT LAKES 2T-1A 1/5 UALE 73 SCALE 64 $19095 TAYLORCRAFT GIANT SCALE 90 Selig 3021 airfoil give plane sparkling persheets scale drawing included instead formance Construction balsawood fullyfull-size plan because prefabrication sheeted wingkit deluxe kit exactly like basic kit ex cept also includes complete hardware COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLO7Z OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HA RD WA RE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS VTBEGINNER RACES Instructions Club Programs NORTHEAST AREA Information Contact North East Pylon Racing Organization 119 Dean AveFranklin Mass 02033 506 529-4043 401 739-2653 huh information Banzai can get touch Jerry Banzai Enterprises 2997 Anderson Ave Port Alberni BC Can ada V9Y2V3 Instructional videotapes Have ever won dered cut foam cores vacuum-bag wings build fiberglass fuselages Did decide beyond abilities just wasnt worth trouble Better days ahead Channel 1 Productions Humble TX has made three fantastic videotapes available RC modeler Cutting Foam Cores Making Templates Covers step-by-step technique foam wings plans automatic hands-off foam cutter will give sharp trailing edges will given videotape bonus Vacuum Bag Fiberglass Wings Buy MaterialsThe videotape gives simplified step-by-step way build composite wings model Sailplanes Power planes Making Fiberglass MoldsThis videotape gives ABCs making fiberglass molds what equipment material will need technique teaches allows manufac ture fiberglass part What think Now can build allglass Slope Racer have dreaming about simply replace old beaten-up foam wing glass fuselage tapes will cost $3495 plus $350 shipping buy two videotapes can get third $2495 plus shipping information con tact Julian Tamez Channel Productions 19827 Bishops Gate Suite No 1 Humble TX 77328 telephone 713 278-4575 Canards flying wings next column will devoted entirely flying wings ca nards Although configurations may look little different offer outstanding perform ance Slope flier Along general dis cussion theories behind unique type aircraft will taking look few kits available Just name few Jades Telos ca nard new Shogun flying wing Bob Sealys Javelin flying wing Future Flights Klingberg fly ing wing new Annihilator Slope Racer RC Electrics/Kopski Continued page 49 very important last itemthe good tight contact has by-product another loss frictionbut loss generally much less loss associated poor resistive brush con tact OK what good stuff Its going take column fully illustrate answer now have no choice ask patience may wish save col umn becausecombined future ones II eventually have lots useful info know make best use fu ture Electrics meantime well get start future Some motor performance data fill blanks above information follows result testing done substantial sample 05-size motors theres intolerable meaning less nomenclature again Mitch Poling Model Builder issues previously mentioned used limited data previously published through laborious manipulation simultaneous equa tions derived motor k resistance etc Since Im fortunate have direct ways determining constants decided get detailed education myself addition would save everyone else may inter ested lot work provide accurate val ues constants would otherwise de rived calculation What follows some rele vant data nine motors consisting seven dif ferent so-called 05 models will evident 05 motors created equal Now some words about data associ ated calculations motor first run two values low voltage prop thin flat two-bladed nearly no-load stick stead practical purposes real load motor internal friction cannot eliminated stick looked like prop tach permitted direct rpm mea surement subsequent determination kthe volts-per-rpm constant two rpm values applied voltage readings averaged calcu late ks listed below Following motor run same prop Top Flite 8 x 4 wood exactly 60 volts applied measured brush termi nals done see motors haved relative other would case fictitious fixed cell count throttle set ting Motor current rpm recorded motor current applied 60 volts multiplied give listed input power watts As will see data prop rpm motor input power varied widely over range sample motors Following applied voltage read justed rpm exactly 9000 done see motor efficiency varied required same workie turn same prop same rpm As will see data motors required just about same input power requiring power least efficient motors also ones largest Rexactly what would expected cause R associated power loss power taken battery available prop diverted making motor hot instead As motor R determined ap plying constant 100 amp electronically regu lated current through motor armature held stalled resulting voltage drop present motor terminals recorded 10 times dif ferent angular positions stalled armature done because small voltage drop varies bit commutator position high est lowest readings discarded remaining eight readings averaged av erage voltage divided 10-amp current pro duced R values listed Finally since some may wonder digital instru mentation used throughout data gathering data average believed quite good Certainly comparative data very good case must keep mind looks like motors volved absolute sample size model indeed limited general have no way knowing particular motor used typi cal particularly good bad Since have have no choice con sider representative particular product Also please note motors run shown operation minute two no implication presentation particular product will sustain test levels indicated see Heres closing thought below Measured Calculated Motor Performance C Pwr 5/k"R MotorVoltsAmpsRPMwattsrpm/voltohms cobalt 60 250 11260 150 2303 0051 05 ** 456 165900075 Ooid 60 213 10600 128 2298 0057 Fire-I 474 156900074 146 Model Aviation OUR REV-UP VERA GES OVEji 9000 PROPS III IMMEDIATE SHIPMENT ON VISA/MC SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUS TOM & STOCK PARTS VAILABLEINDIVIDUALL Y RACE ILIWANNA Q500F-iFAI
Edition: Model Aviation - 1989/07
Page Numbers: 46, 47, 141, 144, 145, 146
SR BATTERIES Just important batter ies Very important course Yet often think about age batteries sim ply overall quality battery packs Probably often enough comes time replace old battery packs might well get best opin ion modelers SR Batteries offers best around give some idea great repu tation SR battery packs have SR makes packs major aerospace companies has recently chosen make packs Space Shuttle program Best packs make modelers go through same con struction testing aerospace dustry SR provides flight pack batteries ranging 50 mAb 4000 mAh available variety configurations Prices very reasonable packs available virtually known connectors information SR battery packs write company Box 287 Bellport NY 11713 Minicraft Lynx 140 Have urge purchase new Sailplane slope just didnt have time build checked out local hobby shops just couldnt find ARF Sailplane would job Finally decided would just have manage what have until could find some free time some building Well thats changed now latest great est wonder world Slope Soaring Lynx 140 Minicraft Slope Sailplane spans 56 makes great trainer flier ready move up world ai lerons ready sit down write compre hensive review Lynx issue Slope Soaring News came mail great-looking PSS Corsair cover just sit down look through issue before did anything else skimming through pages came acrossyou guessed ita great re view Lynx can just hear saying yourself Okay Slope Soaring editor getting little lazy going use SSN review col umn instead writing own Youre right am going use review Its cause am lazy however well maybe just litLeft Now thats what call ARF Minicraft Lynx 140 can completed evening two offers sport flier surprisingly good per formance Photo courtesy JC Model Supplies Right Lynx ready get airborne Its wingspan 56 has full aileron elevator rudder control Foam-core wings Lite Ply fuselage very good performance make little ship sturdy capable aileron trainer 46 Model Aviation Radio Conoi Slope Soaring Mark Triebes 20794 Kreisler Ct Saratoga CA 95070 Simply outrageous preview next column heres photo Shogun Jarel Aircraft Design Engineering subject will canards flying wings Photo Richard Jarel Its Orca killer Sailplane Harley Michaelis latest high-speed work heavy winds pitcheron-controlled ship will featured construction article future issue MA Inspired Aermacchi 229 Par Jet Mike Reeds Slopar outstanding performer light wind conditions Plans available attractive Sailplane Mike Reed Photo tie bit its because Charlie Morey did such great job reviewing Lynx SSN Charlie has ability turn simple kit review teresting reading important can competent accurate analysis plane Hows ego Charlie Hat size getting little big Heres what Charlie has say about Lynx 1 first-test-flight jitters Standing alone Long Beach bluff shiny new Lynx 140 hand trusty Futaba Con quest transmitter other took deep breath mentally prepared get hand back stick quickly could threw plane over edge no wind didnt expect fly just wanted put through test glide soft sand beach below get feel going handle shandle toss sent Lynx straight out about 20 ft went slightly too steep glide picking up speed heart rate gently pulled back stick Lynx pulled up flat level slow smooth glide shocked plane has full-sized Futaba Conquest flight pack three servos ailerons el evator rudder weighs 29 oz 297 sq ft wing adds up 10-oz wing loading Its floater Yet Id find out test flights followed itll stay up surpris ingly light lift itll kick butt wind starts cranking Lynx its nose pulled up turned smoothly using ailerons made large sweeping S-turn greased beach heavy plane t0-oz pod-andboom-plane standards touched lightly slid 50 ft smooth sand leaving straight light trail behind Pretty thought trotted down fetch grinning ear ear Thats ideal first flight opinion Continued page 141 WASHINGTONS AMA BASE. $ 54ecXpie Check day per nght Minimum stay 2 nights Free Parking Cars Free Full Breakfasts Free Metropass Sat Sun Free DC Area Map Free Harringron Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 MMEMBER 1-800-424-8532 628 8140- EEEEIKIII Polyhedral $4495 Aileron $5195 Paul Wilson holds class distance record 66 miles 59 wing span z/sq ft up Ennler 21 4/Selina 4061/Airfoil choice -HIGH QUALITY SAILPLANE KITSTerry Edmonds multi-task sailpianes 10 2 meter 39 oz & up CALLISTO-standard class 44 oz & up BE A_ WINNER CULPEPPER ORDERMODELS INC TODAY2526 Washington DubuqueIA 52001 3191583-4130 Sairiniu END UDXaZRD 7550 Sor Gab e Road codoo CA 93422 4681717 July 1989 47 north border comes Banzai Banzai Enterprises aerobatic Slope Soarer makes ideal ship Combat simply fun flying Photo Jerry Teo Designed Rusty Shaw LeRoy Salterlee AVAILABLE AT AMERICAS FINEST HOBBY SHOPS Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141 ~1~I 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR COD CATALOG $ 200 OR FREE Will-I ORDERS HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 OUR UNE INCLUDES HATORI TETTRA DIGICON CONTROL HORNS MOUNliNG BOLTS INCLUDED 2 PER PACKAGE $ 225 PER PACKAGE WE NEED DEALERS NEW DEALER DISCOUNT PROGRAM ON HARDWARE AND TOOLS ThmviMade America American Technology R/C & U/C ENGINES 15 thru 61 Glow Plugs & Spark Plugs Ignition Engines 29 35 ORIGINAL REPLACEMENT PARTS Kraft 61 Cox Conquest 15 Testor/McCoy Series 21 Taipan 40 HGK Forster Remco Viking twin DC 09 diesel RC Slope Soaring/Triebes Continued page 141 park lawn trimmed original 00/00 wing/stab setting about 20 wing stab incidence very light conditions second windless toss off bluff yielded gentle glide down sand Trim adjustments made radio current condi tions left mechanical adjustments 00 Now needed some wind Assembling made-in-Thailand Lynx 140 should have cinch new owner has epoxy two completely finished wing halves together route control surface ca bles trim mount clear vacuum-formed canopy install radio flight pack major parts completely assembled shaped sanded covered Using five-minute epoxy easily makes one-evening job ran couple problems however made two-evening job required modeling skill equipment should have general complaints concern care wasnt taken assemblers factory Glu ing seems hit-or-miss deal some cases hinges glued solid missed com pletely came loose first flight real lift glue joint down lower right side fuselage forgotten completely yet opposite side sported broad fillet minor problems Any beginning builder can inspect new kit assure glue joints solid glue himself arent No big deal Just aware its part assembly requirements kit annoying problem assembling Lynx 140 having correct another fac tory error full-flying horizontal stabilizer sembly very well designed brass bushing already installed midway up vertical stab its simple matter slide piece wire through slip fully constructed cov ered stab halves over Unfortunately bush ing installed crooked modeler well-equipped shop merely minor annoyance inexpe rienced builder whos got kitchen table cov ered newspapers one-night-stand time limit its major setback popped out bushing threw away grabbed handy piece dowel scrap pile cut length glued place set tail flat Dremel drill press attach ment drilled new hole correct 900 gle didnt have brass tubing correct size new bushing used brass control cable end threaded type solder made new bushing glued place shops kitchen tables well equipped recommend following procedure Carefully cut peel covering back around bushing cut through verti cal stab ahead behind bushing standard X-Acto knife leaving attached top bottom Insert wire pivot square reglue bushing Check squareness both top view front view cut tweak necessary before gluing Touch up ends glue joint small sanding block stick covering back down have suggested Jesse Chao owner JC Model Supplies furnished us kit relay complaints back fac tory Lets hope future Lynxes will made better attention detail Understand please kit difficult build its flaws yet feel ARF customer should have redo work incorrectly done manufac turer thats case might just well build himself first place get right Any aggravation Lynx 140 may have caused workbench soon forgotten once got airborne good lift Its amaz ingly capable flier would make good ail eron trainer flier making transition rudder/elevator aileron/elevator planes very difficult stall does its easy recover can fly light lift can fly very slowly Its very aerobatic thing Ive found far wont go fast mean really fast Itll move out OKas fast fliers want gobut its fast Slope plane typical two-channel pilot enjoyed using three-axis controls Now can really stall turn hammerhead instead chandelle just using rudder instead ailerons also got kick out trying feed correct amount rudder ailerons produce coordinated turn just like full-size airplanes Lynx 140 very pleasant plane fly Ive taken test model out several light-lift days Long Beach exceptionally brisk day Point Fermin handled both sets condi tions easily though vastly different adrenalin levels gave full afternoons flying fun Despite criticism factorys work manship like Lynx very much Its good flier minor shortcomings understood Id recommend average sport flier like especially schedule limits building time feels buying $130 ARF good deal kit looked just about same flaws Charlies did bad glue joints crooked tail too discovered good flying characteristics plane far outweigh slight inconveniences building Lynx can found countrys larger hobby shops can contact Jesse Chao JC Model Supplies PO Box 2406 Fullerton CA 92633 interested have yet heard Slope Soaring News one-year subscrip tion can mere $1595 Contact Char lie Morey 2601 E 19th St #29 Signal Hill CA 90804 already aware great publication tired talking about column promise will last time Charlie does slip few bills time mention SSN column just think does fabulous job Slope flier deserves see himself Slopar Mike Reed has come up yet another great Slope ship what has say about Slopar designed fill need light-air Slope Glider Carefully built Slopar will weigh about 14 oz weight ideal low-lift slopes such beaches calm inland slopes have wind velocity nine 12 mph Glider can ballasted 28 oz flying normal wind conditions basic shape Slopar inspired Aermac chi 229 Par Jet Scale Sailplane efficient clean design will fly very light lift some good looks thrown Slopar designed use small radio gear such Futaba four-channel S-33 servos However fuselage can built suit standard systems versatility low-drag qualities 144 Model Aviation CotI oqte free informotion RJL Industries PO Box 5 Sierra Ma&e CA 91024 818 359-0016 Celebrating 10 years producing largest selection giant scale kits available today Design building integrity scale fidelity scale flight characteristics standard IKON NWST 22 kits choose STINSON SR8 1/5 SCALE 100 $37500 interested Slopar plans available Mike will send folded plans $7 rolled plans $11 money orders Mikes address 1775 mitro Way #5 Corona CA 91720 Banzai Is Slope Soaring alive well north border bet have received letters number fliers throughout Canada cluding Jerry Teo British Columbia Jerry part Banzai Enterprises kitting very nice Slope Soarer called Banzai Heres Jerry tell us little about Ban zat Banzai designed because de sire fly quick-building durable acrobatic Slope Soarer west coast strong ocean breezes provide perfect conditions adrenalin-pumping aerobatics Unfortunately thermal floaters originally used fly marginally breezes ballasted two pounds lead flat-bottom airfoils slowresponding rudder control perform de sired Banzai uses Eppler 374 airfoil cause airfoil provides plenty penetration has great slow-speed characteristics has good inverted performance airfoil incor porated 60-in foam core wing covered Kromekote Kromekote glossy dingresistant covering doesnt need finish ing used other manufacturers substitute balsa sheeting prototypes flown Kromekote has proven have strength durability balsa-covered wing Ailerons used quick smooth roll re sponse Flaperons can also easily added fuselage made A-in light plywood built same way venerable Ugly Stiks unfamiliar powered kit fuselage has preshaped bottom crutch onto pre-cut bulkheads glued machine-sanded sides glued both bottom crutch bulkheads leaving per fectly aligned fuselage takes about 15 min utes build using cyanoacrylate glues fu selage has balsa triangle stock balsa top sheet ing add strength shaping tail sur faces pre-cut machine-sanded sheets Rud der control can added desired has proven unnecessary kit comes two forms basic de luxe basic kit includes precision-cut foam cores wing sheeting LE TE aileron stock sanded fuselage sides bottom crutch bulkheads tail surfaces nose block hatch cover balsa top covering dowels excellent instruction STITS PLAYBOY 1/3 SCALE 88 $15595 package Flying Banzai has fulfilled de sire expectation very aerobatic has fan tastic penetration lands gently very re sponsive flies well light lift thanks Eppler 374 low overall weight plane will thermal soar under suitable conditions 72-in version also available increased thermaling performance Chasing other around sky Combat has proven its agility durability Midairs evasive maneu vers face cliff have shown takes lot kill Banzai However tal quick easy build can easily have ready next week end Sounds like great challenger Cheetah Rubber & Eng Power Free Plight Display Fiorenze Control Line ElectrIc PowerHobby Center Inc R/C Airplanes new Illustrated 32 page plete Line Hobby Supplies tabloid Size catalog ler YellowAircraft US & Canada $100 Foreign $300 available Faatcovar Covering Material Penn Valley Hobby Center it Showroom 135 mm Disney World 837-A W Main St Lanadale PA 19446420 West SR 434 z140713274353 Winter Springs Fl 32708Fax14071327-7145 ~3LIJE RIDGE MACHINERY S TOOLS P0 Box 536-Y Hurricane WV 25526 3045623535 offer complete selection lathes mills end tools Aviation Modeler WOOLSS BICOOST 50*10 PHOtO SERVCE 000 PHOTO PACKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING S*5C Sotarging 500t Catalog $Oo 50 pages 3 m Pep no s SCALE PlANS ad PROJO SEA VICE 3209 Mgdso Ore 500 NC 2 403 Photo 99 292 s239 NoCo July 1989 145 iuliHAT LAKES 2T-1A 1/5 UALE 73 SCALE 64 $19095 TAYLORCRAFT GIANT SCALE 90 Selig 3021 airfoil give plane sparkling persheets scale drawing included instead formance Construction balsawood fullyfull-size plan because prefabrication sheeted wingkit deluxe kit exactly like basic kit ex cept also includes complete hardware COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLO7Z OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HA RD WA RE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS VTBEGINNER RACES Instructions Club Programs NORTHEAST AREA Information Contact North East Pylon Racing Organization 119 Dean AveFranklin Mass 02033 506 529-4043 401 739-2653 huh information Banzai can get touch Jerry Banzai Enterprises 2997 Anderson Ave Port Alberni BC Can ada V9Y2V3 Instructional videotapes Have ever won dered cut foam cores vacuum-bag wings build fiberglass fuselages Did decide beyond abilities just wasnt worth trouble Better days ahead Channel 1 Productions Humble TX has made three fantastic videotapes available RC modeler Cutting Foam Cores Making Templates Covers step-by-step technique foam wings plans automatic hands-off foam cutter will give sharp trailing edges will given videotape bonus Vacuum Bag Fiberglass Wings Buy MaterialsThe videotape gives simplified step-by-step way build composite wings model Sailplanes Power planes Making Fiberglass MoldsThis videotape gives ABCs making fiberglass molds what equipment material will need technique teaches allows manufac ture fiberglass part What think Now can build allglass Slope Racer have dreaming about simply replace old beaten-up foam wing glass fuselage tapes will cost $3495 plus $350 shipping buy two videotapes can get third $2495 plus shipping information con tact Julian Tamez Channel Productions 19827 Bishops Gate Suite No 1 Humble TX 77328 telephone 713 278-4575 Canards flying wings next column will devoted entirely flying wings ca nards Although configurations may look little different offer outstanding perform ance Slope flier Along general dis cussion theories behind unique type aircraft will taking look few kits available Just name few Jades Telos ca nard new Shogun flying wing Bob Sealys Javelin flying wing Future Flights Klingberg fly ing wing new Annihilator Slope Racer RC Electrics/Kopski Continued page 49 very important last itemthe good tight contact has by-product another loss frictionbut loss generally much less loss associated poor resistive brush con tact OK what good stuff Its going take column fully illustrate answer now have no choice ask patience may wish save col umn becausecombined future ones II eventually have lots useful info know make best use fu ture Electrics meantime well get start future Some motor performance data fill blanks above information follows result testing done substantial sample 05-size motors theres intolerable meaning less nomenclature again Mitch Poling Model Builder issues previously mentioned used limited data previously published through laborious manipulation simultaneous equa tions derived motor k resistance etc Since Im fortunate have direct ways determining constants decided get detailed education myself addition would save everyone else may inter ested lot work provide accurate val ues constants would otherwise de rived calculation What follows some rele vant data nine motors consisting seven dif ferent so-called 05 models will evident 05 motors created equal Now some words about data associ ated calculations motor first run two values low voltage prop thin flat two-bladed nearly no-load stick stead practical purposes real load motor internal friction cannot eliminated stick looked like prop tach permitted direct rpm mea surement subsequent determination kthe volts-per-rpm constant two rpm values applied voltage readings averaged calcu late ks listed below Following motor run same prop Top Flite 8 x 4 wood exactly 60 volts applied measured brush termi nals done see motors haved relative other would case fictitious fixed cell count throttle set ting Motor current rpm recorded motor current applied 60 volts multiplied give listed input power watts As will see data prop rpm motor input power varied widely over range sample motors Following applied voltage read justed rpm exactly 9000 done see motor efficiency varied required same workie turn same prop same rpm As will see data motors required just about same input power requiring power least efficient motors also ones largest Rexactly what would expected cause R associated power loss power taken battery available prop diverted making motor hot instead As motor R determined ap plying constant 100 amp electronically regu lated current through motor armature held stalled resulting voltage drop present motor terminals recorded 10 times dif ferent angular positions stalled armature done because small voltage drop varies bit commutator position high est lowest readings discarded remaining eight readings averaged av erage voltage divided 10-amp current pro duced R values listed Finally since some may wonder digital instru mentation used throughout data gathering data average believed quite good Certainly comparative data very good case must keep mind looks like motors volved absolute sample size model indeed limited general have no way knowing particular motor used typi cal particularly good bad Since have have no choice con sider representative particular product Also please note motors run shown operation minute two no implication presentation particular product will sustain test levels indicated see Heres closing thought below Measured Calculated Motor Performance C Pwr 5/k"R MotorVoltsAmpsRPMwattsrpm/voltohms cobalt 60 250 11260 150 2303 0051 05 ** 456 165900075 Ooid 60 213 10600 128 2298 0057 Fire-I 474 156900074 146 Model Aviation OUR REV-UP VERA GES OVEji 9000 PROPS III IMMEDIATE SHIPMENT ON VISA/MC SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUS TOM & STOCK PARTS VAILABLEINDIVIDUALL Y RACE ILIWANNA Q500F-iFAI
Edition: Model Aviation - 1989/07
Page Numbers: 46, 47, 141, 144, 145, 146
SR BATTERIES Just important batter ies Very important course Yet often think about age batteries sim ply overall quality battery packs Probably often enough comes time replace old battery packs might well get best opin ion modelers SR Batteries offers best around give some idea great repu tation SR battery packs have SR makes packs major aerospace companies has recently chosen make packs Space Shuttle program Best packs make modelers go through same con struction testing aerospace dustry SR provides flight pack batteries ranging 50 mAb 4000 mAh available variety configurations Prices very reasonable packs available virtually known connectors information SR battery packs write company Box 287 Bellport NY 11713 Minicraft Lynx 140 Have urge purchase new Sailplane slope just didnt have time build checked out local hobby shops just couldnt find ARF Sailplane would job Finally decided would just have manage what have until could find some free time some building Well thats changed now latest great est wonder world Slope Soaring Lynx 140 Minicraft Slope Sailplane spans 56 makes great trainer flier ready move up world ai lerons ready sit down write compre hensive review Lynx issue Slope Soaring News came mail great-looking PSS Corsair cover just sit down look through issue before did anything else skimming through pages came acrossyou guessed ita great re view Lynx can just hear saying yourself Okay Slope Soaring editor getting little lazy going use SSN review col umn instead writing own Youre right am going use review Its cause am lazy however well maybe just litLeft Now thats what call ARF Minicraft Lynx 140 can completed evening two offers sport flier surprisingly good per formance Photo courtesy JC Model Supplies Right Lynx ready get airborne Its wingspan 56 has full aileron elevator rudder control Foam-core wings Lite Ply fuselage very good performance make little ship sturdy capable aileron trainer 46 Model Aviation Radio Conoi Slope Soaring Mark Triebes 20794 Kreisler Ct Saratoga CA 95070 Simply outrageous preview next column heres photo Shogun Jarel Aircraft Design Engineering subject will canards flying wings Photo Richard Jarel Its Orca killer Sailplane Harley Michaelis latest high-speed work heavy winds pitcheron-controlled ship will featured construction article future issue MA Inspired Aermacchi 229 Par Jet Mike Reeds Slopar outstanding performer light wind conditions Plans available attractive Sailplane Mike Reed Photo tie bit its because Charlie Morey did such great job reviewing Lynx SSN Charlie has ability turn simple kit review teresting reading important can competent accurate analysis plane Hows ego Charlie Hat size getting little big Heres what Charlie has say about Lynx 1 first-test-flight jitters Standing alone Long Beach bluff shiny new Lynx 140 hand trusty Futaba Con quest transmitter other took deep breath mentally prepared get hand back stick quickly could threw plane over edge no wind didnt expect fly just wanted put through test glide soft sand beach below get feel going handle shandle toss sent Lynx straight out about 20 ft went slightly too steep glide picking up speed heart rate gently pulled back stick Lynx pulled up flat level slow smooth glide shocked plane has full-sized Futaba Conquest flight pack three servos ailerons el evator rudder weighs 29 oz 297 sq ft wing adds up 10-oz wing loading Its floater Yet Id find out test flights followed itll stay up surpris ingly light lift itll kick butt wind starts cranking Lynx its nose pulled up turned smoothly using ailerons made large sweeping S-turn greased beach heavy plane t0-oz pod-andboom-plane standards touched lightly slid 50 ft smooth sand leaving straight light trail behind Pretty thought trotted down fetch grinning ear ear Thats ideal first flight opinion Continued page 141 WASHINGTONS AMA BASE. $ 54ecXpie Check day per nght Minimum stay 2 nights Free Parking Cars Free Full Breakfasts Free Metropass Sat Sun Free DC Area Map Free Harringron Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 MMEMBER 1-800-424-8532 628 8140- EEEEIKIII Polyhedral $4495 Aileron $5195 Paul Wilson holds class distance record 66 miles 59 wing span z/sq ft up Ennler 21 4/Selina 4061/Airfoil choice -HIGH QUALITY SAILPLANE KITSTerry Edmonds multi-task sailpianes 10 2 meter 39 oz & up CALLISTO-standard class 44 oz & up BE A_ WINNER CULPEPPER ORDERMODELS INC TODAY2526 Washington DubuqueIA 52001 3191583-4130 Sairiniu END UDXaZRD 7550 Sor Gab e Road codoo CA 93422 4681717 July 1989 47 north border comes Banzai Banzai Enterprises aerobatic Slope Soarer makes ideal ship Combat simply fun flying Photo Jerry Teo Designed Rusty Shaw LeRoy Salterlee AVAILABLE AT AMERICAS FINEST HOBBY SHOPS Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141 ~1~I 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR COD CATALOG $ 200 OR FREE Will-I ORDERS HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 OUR UNE INCLUDES HATORI TETTRA DIGICON CONTROL HORNS MOUNliNG BOLTS INCLUDED 2 PER PACKAGE $ 225 PER PACKAGE WE NEED DEALERS NEW DEALER DISCOUNT PROGRAM ON HARDWARE AND TOOLS ThmviMade America American Technology R/C & U/C ENGINES 15 thru 61 Glow Plugs & Spark Plugs Ignition Engines 29 35 ORIGINAL REPLACEMENT PARTS Kraft 61 Cox Conquest 15 Testor/McCoy Series 21 Taipan 40 HGK Forster Remco Viking twin DC 09 diesel RC Slope Soaring/Triebes Continued page 141 park lawn trimmed original 00/00 wing/stab setting about 20 wing stab incidence very light conditions second windless toss off bluff yielded gentle glide down sand Trim adjustments made radio current condi tions left mechanical adjustments 00 Now needed some wind Assembling made-in-Thailand Lynx 140 should have cinch new owner has epoxy two completely finished wing halves together route control surface ca bles trim mount clear vacuum-formed canopy install radio flight pack major parts completely assembled shaped sanded covered Using five-minute epoxy easily makes one-evening job ran couple problems however made two-evening job required modeling skill equipment should have general complaints concern care wasnt taken assemblers factory Glu ing seems hit-or-miss deal some cases hinges glued solid missed com pletely came loose first flight real lift glue joint down lower right side fuselage forgotten completely yet opposite side sported broad fillet minor problems Any beginning builder can inspect new kit assure glue joints solid glue himself arent No big deal Just aware its part assembly requirements kit annoying problem assembling Lynx 140 having correct another fac tory error full-flying horizontal stabilizer sembly very well designed brass bushing already installed midway up vertical stab its simple matter slide piece wire through slip fully constructed cov ered stab halves over Unfortunately bush ing installed crooked modeler well-equipped shop merely minor annoyance inexpe rienced builder whos got kitchen table cov ered newspapers one-night-stand time limit its major setback popped out bushing threw away grabbed handy piece dowel scrap pile cut length glued place set tail flat Dremel drill press attach ment drilled new hole correct 900 gle didnt have brass tubing correct size new bushing used brass control cable end threaded type solder made new bushing glued place shops kitchen tables well equipped recommend following procedure Carefully cut peel covering back around bushing cut through verti cal stab ahead behind bushing standard X-Acto knife leaving attached top bottom Insert wire pivot square reglue bushing Check squareness both top view front view cut tweak necessary before gluing Touch up ends glue joint small sanding block stick covering back down have suggested Jesse Chao owner JC Model Supplies furnished us kit relay complaints back fac tory Lets hope future Lynxes will made better attention detail Understand please kit difficult build its flaws yet feel ARF customer should have redo work incorrectly done manufac turer thats case might just well build himself first place get right Any aggravation Lynx 140 may have caused workbench soon forgotten once got airborne good lift Its amaz ingly capable flier would make good ail eron trainer flier making transition rudder/elevator aileron/elevator planes very difficult stall does its easy recover can fly light lift can fly very slowly Its very aerobatic thing Ive found far wont go fast mean really fast Itll move out OKas fast fliers want gobut its fast Slope plane typical two-channel pilot enjoyed using three-axis controls Now can really stall turn hammerhead instead chandelle just using rudder instead ailerons also got kick out trying feed correct amount rudder ailerons produce coordinated turn just like full-size airplanes Lynx 140 very pleasant plane fly Ive taken test model out several light-lift days Long Beach exceptionally brisk day Point Fermin handled both sets condi tions easily though vastly different adrenalin levels gave full afternoons flying fun Despite criticism factorys work manship like Lynx very much Its good flier minor shortcomings understood Id recommend average sport flier like especially schedule limits building time feels buying $130 ARF good deal kit looked just about same flaws Charlies did bad glue joints crooked tail too discovered good flying characteristics plane far outweigh slight inconveniences building Lynx can found countrys larger hobby shops can contact Jesse Chao JC Model Supplies PO Box 2406 Fullerton CA 92633 interested have yet heard Slope Soaring News one-year subscrip tion can mere $1595 Contact Char lie Morey 2601 E 19th St #29 Signal Hill CA 90804 already aware great publication tired talking about column promise will last time Charlie does slip few bills time mention SSN column just think does fabulous job Slope flier deserves see himself Slopar Mike Reed has come up yet another great Slope ship what has say about Slopar designed fill need light-air Slope Glider Carefully built Slopar will weigh about 14 oz weight ideal low-lift slopes such beaches calm inland slopes have wind velocity nine 12 mph Glider can ballasted 28 oz flying normal wind conditions basic shape Slopar inspired Aermac chi 229 Par Jet Scale Sailplane efficient clean design will fly very light lift some good looks thrown Slopar designed use small radio gear such Futaba four-channel S-33 servos However fuselage can built suit standard systems versatility low-drag qualities 144 Model Aviation CotI oqte free informotion RJL Industries PO Box 5 Sierra Ma&e CA 91024 818 359-0016 Celebrating 10 years producing largest selection giant scale kits available today Design building integrity scale fidelity scale flight characteristics standard IKON NWST 22 kits choose STINSON SR8 1/5 SCALE 100 $37500 interested Slopar plans available Mike will send folded plans $7 rolled plans $11 money orders Mikes address 1775 mitro Way #5 Corona CA 91720 Banzai Is Slope Soaring alive well north border bet have received letters number fliers throughout Canada cluding Jerry Teo British Columbia Jerry part Banzai Enterprises kitting very nice Slope Soarer called Banzai Heres Jerry tell us little about Ban zat Banzai designed because de sire fly quick-building durable acrobatic Slope Soarer west coast strong ocean breezes provide perfect conditions adrenalin-pumping aerobatics Unfortunately thermal floaters originally used fly marginally breezes ballasted two pounds lead flat-bottom airfoils slowresponding rudder control perform de sired Banzai uses Eppler 374 airfoil cause airfoil provides plenty penetration has great slow-speed characteristics has good inverted performance airfoil incor porated 60-in foam core wing covered Kromekote Kromekote glossy dingresistant covering doesnt need finish ing used other manufacturers substitute balsa sheeting prototypes flown Kromekote has proven have strength durability balsa-covered wing Ailerons used quick smooth roll re sponse Flaperons can also easily added fuselage made A-in light plywood built same way venerable Ugly Stiks unfamiliar powered kit fuselage has preshaped bottom crutch onto pre-cut bulkheads glued machine-sanded sides glued both bottom crutch bulkheads leaving per fectly aligned fuselage takes about 15 min utes build using cyanoacrylate glues fu selage has balsa triangle stock balsa top sheet ing add strength shaping tail sur faces pre-cut machine-sanded sheets Rud der control can added desired has proven unnecessary kit comes two forms basic de luxe basic kit includes precision-cut foam cores wing sheeting LE TE aileron stock sanded fuselage sides bottom crutch bulkheads tail surfaces nose block hatch cover balsa top covering dowels excellent instruction STITS PLAYBOY 1/3 SCALE 88 $15595 package Flying Banzai has fulfilled de sire expectation very aerobatic has fan tastic penetration lands gently very re sponsive flies well light lift thanks Eppler 374 low overall weight plane will thermal soar under suitable conditions 72-in version also available increased thermaling performance Chasing other around sky Combat has proven its agility durability Midairs evasive maneu vers face cliff have shown takes lot kill Banzai However tal quick easy build can easily have ready next week end Sounds like great challenger Cheetah Rubber & Eng Power Free Plight Display Fiorenze Control Line ElectrIc PowerHobby Center Inc R/C Airplanes new Illustrated 32 page plete Line Hobby Supplies tabloid Size catalog ler YellowAircraft US & Canada $100 Foreign $300 available Faatcovar Covering Material Penn Valley Hobby Center it Showroom 135 mm Disney World 837-A W Main St Lanadale PA 19446420 West SR 434 z140713274353 Winter Springs Fl 32708Fax14071327-7145 ~3LIJE RIDGE MACHINERY S TOOLS P0 Box 536-Y Hurricane WV 25526 3045623535 offer complete selection lathes mills end tools Aviation Modeler WOOLSS BICOOST 50*10 PHOtO SERVCE 000 PHOTO PACKS PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING S*5C Sotarging 500t Catalog $Oo 50 pages 3 m Pep no s SCALE PlANS ad PROJO SEA VICE 3209 Mgdso Ore 500 NC 2 403 Photo 99 292 s239 NoCo July 1989 145 iuliHAT LAKES 2T-1A 1/5 UALE 73 SCALE 64 $19095 TAYLORCRAFT GIANT SCALE 90 Selig 3021 airfoil give plane sparkling persheets scale drawing included instead formance Construction balsawood fullyfull-size plan because prefabrication sheeted wingkit deluxe kit exactly like basic kit ex cept also includes complete hardware COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLO7Z OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OF GLOW PLUGS HA RD-TO-FIND HA RD WA RE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS VTBEGINNER RACES Instructions Club Programs NORTHEAST AREA Information Contact North East Pylon Racing Organization 119 Dean AveFranklin Mass 02033 506 529-4043 401 739-2653 huh information Banzai can get touch Jerry Banzai Enterprises 2997 Anderson Ave Port Alberni BC Can ada V9Y2V3 Instructional videotapes Have ever won dered cut foam cores vacuum-bag wings build fiberglass fuselages Did decide beyond abilities just wasnt worth trouble Better days ahead Channel 1 Productions Humble TX has made three fantastic videotapes available RC modeler Cutting Foam Cores Making Templates Covers step-by-step technique foam wings plans automatic hands-off foam cutter will give sharp trailing edges will given videotape bonus Vacuum Bag Fiberglass Wings Buy MaterialsThe videotape gives simplified step-by-step way build composite wings model Sailplanes Power planes Making Fiberglass MoldsThis videotape gives ABCs making fiberglass molds what equipment material will need technique teaches allows manufac ture fiberglass part What think Now can build allglass Slope Racer have dreaming about simply replace old beaten-up foam wing glass fuselage tapes will cost $3495 plus $350 shipping buy two videotapes can get third $2495 plus shipping information con tact Julian Tamez Channel Productions 19827 Bishops Gate Suite No 1 Humble TX 77328 telephone 713 278-4575 Canards flying wings next column will devoted entirely flying wings ca nards Although configurations may look little different offer outstanding perform ance Slope flier Along general dis cussion theories behind unique type aircraft will taking look few kits available Just name few Jades Telos ca nard new Shogun flying wing Bob Sealys Javelin flying wing Future Flights Klingberg fly ing wing new Annihilator Slope Racer RC Electrics/Kopski Continued page 49 very important last itemthe good tight contact has by-product another loss frictionbut loss generally much less loss associated poor resistive brush con tact OK what good stuff Its going take column fully illustrate answer now have no choice ask patience may wish save col umn becausecombined future ones II eventually have lots useful info know make best use fu ture Electrics meantime well get start future Some motor performance data fill blanks above information follows result testing done substantial sample 05-size motors theres intolerable meaning less nomenclature again Mitch Poling Model Builder issues previously mentioned used limited data previously published through laborious manipulation simultaneous equa tions derived motor k resistance etc Since Im fortunate have direct ways determining constants decided get detailed education myself addition would save everyone else may inter ested lot work provide accurate val ues constants would otherwise de rived calculation What follows some rele vant data nine motors consisting seven dif ferent so-called 05 models will evident 05 motors created equal Now some words about data associ ated calculations motor first run two values low voltage prop thin flat two-bladed nearly no-load stick stead practical purposes real load motor internal friction cannot eliminated stick looked like prop tach permitted direct rpm mea surement subsequent determination kthe volts-per-rpm constant two rpm values applied voltage readings averaged calcu late ks listed below Following motor run same prop Top Flite 8 x 4 wood exactly 60 volts applied measured brush termi nals done see motors haved relative other would case fictitious fixed cell count throttle set ting Motor current rpm recorded motor current applied 60 volts multiplied give listed input power watts As will see data prop rpm motor input power varied widely over range sample motors Following applied voltage read justed rpm exactly 9000 done see motor efficiency varied required same workie turn same prop same rpm As will see data motors required just about same input power requiring power least efficient motors also ones largest Rexactly what would expected cause R associated power loss power taken battery available prop diverted making motor hot instead As motor R determined ap plying constant 100 amp electronically regu lated current through motor armature held stalled resulting voltage drop present motor terminals recorded 10 times dif ferent angular positions stalled armature done because small voltage drop varies bit commutator position high est lowest readings discarded remaining eight readings averaged av erage voltage divided 10-amp current pro duced R values listed Finally since some may wonder digital instru mentation used throughout data gathering data average believed quite good Certainly comparative data very good case must keep mind looks like motors volved absolute sample size model indeed limited general have no way knowing particular motor used typi cal particularly good bad Since have have no choice con sider representative particular product Also please note motors run shown operation minute two no implication presentation particular product will sustain test levels indicated see Heres closing thought below Measured Calculated Motor Performance C Pwr 5/k"R MotorVoltsAmpsRPMwattsrpm/voltohms cobalt 60 250 11260 150 2303 0051 05 ** 456 165900075 Ooid 60 213 10600 128 2298 0057 Fire-I 474 156900074 146 Model Aviation OUR REV-UP VERA GES OVEji 9000 PROPS III IMMEDIATE SHIPMENT ON VISA/MC SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUS TOM & STOCK PARTS VAILABLEINDIVIDUALL Y RACE ILIWANNA Q500F-iFAI