HEAR THIS Electric Connection Service has some information folks greater Pitts burgh PA area active growing Electric club area called WESSthe Westmoreland Elec tric Soaring Society Ive met number folks annual KRC meet can tell fly quite variety Electrics make latter point because club name may mis lead thinking its Glider group Also WESS has excellent monthly newsletter named Watts Current lived western instead eastern Pennsylvania Id ap ply membership WESS Anyway information can contact WESS Vice President Neil Rossi 3947 Murry Highlands Circle Murrysville PA 15668 tel 1412/327-8741 WESS home least distinguished member Bob Markle Aside acting WESS President Bob RJM manufactures fine line Electric accessories RJM low David Lindsey 4440 E 117th Ave Thornton CO 80233 tel 1-303/450-0779 would like communicate modelers interested con version wet-powered designs clean Remember ECS youindividuals clubs wanting find other Electric fliers immediate area Just send info writing Ill list Im aware quite few loners Electric clubs seeking members until get go-ahead writing cant list infoin event such would de sired Ive got some latest products info share So no particular order goes RJM mentioned above introducing several new products gear box 25/40/60 co baIts Yes thats rightfor 60 folks have asked since Astro does supply price $75 can order RJM Bob Markle tells design fol lows earlier boxes 05/15 Another new product Fly/No-Fly tester simple plug-it-in box LED indicators will tell you have enough radio battery left fly safely Astro will soon add new speed control Part No 205 its long line Electric products Early word will optically coupled high-rate configuration greatest power sys tem efficiency will include brake function latter bit unusual because early plans call bank P-type MOSFETS metal oxide-semiconductor field-effect transistors Ed braking job wired such manner use energy otherwise dis sipated during braking charge battery No wont allow fly forever just few sec onds longer expect have early unit play very soon Ill keep posted 50 Model Aviation Radio Control Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 Electric Connection Service two offerings 2 Electric products info RJM Astro Leisure Hobby Lobby Concept Models 3 Errata January 90 MA Skyvolt landing gear/iron-on cloth KRC meet 4 Skyvolt questions/answers nature Skyvolt de sign 5 Comment column technical content includes high rate/frame rate info 6 An unusual motor development has NO magnets else Keith Shaw Ann Arbor Ml builds em like King Crimson flying wing shows influence Northrop XB-35 89 KRC Electric Fly Model spans 126 has 1980 sq in of area Six Leisure motors long gearbox drives turn 10 x 8 Rev-Up wide-blade props Power pack 28 Sanyo SCR Ni-Cd cells juice administered through Jomar SC4 speed control Spring Air retract system weighs 10 lb spectators loved see fly quiet motivation David particularly interested converting 40 -sized designs similarly inclined can connect him-and tell him Bob sent ya Concept Models makes kits Flee latest 56-in.span Electric power prototype weighed 6 lb 10 oz cells 14 x 6 prop flies nicely Bare bones r system weighs 53 oz Kopskis rule says Electrics power system should 50 finished weight Finally Bob has expanded line speed con trollers with/without propeller brakes motors up 60 size Plans future products clude fast chargers TX RX batteries discussing Bob Id like point Out unidentified helper launching Dave Fraz iers Sailplane photo page 90 Janu arys MA isyou guessed itBob Markle him self found out too late supply editot info caption Anyway can v Bob Markle RJM Unit #3 Sandy Hill Ru RD #6 Irwin PA 15642 Recent info Ive received part Christmas sizes 40 Hobby Lobbys ET200 Electric Sailplane kit comes completely built covered Wing span 78 power system folding prop same very successful UHU another popular Hobby Lobby Electric greeting has Leisure has made yet improvement its gearbox gears As understand latest output gear design quite thick happens dark gray color past Leisure indicated units gear ratio gear color same color ratio printed gear case story got says best Leisure gears yet info comes very reliable source bearded gentleman Ann Arbor MINo Santa Elden-Ken Electronics will have new name ginning new year will become Stone Electronics new address 1175 W 17th Ave #201 Lakewood CO 80215 tel 1-303/234-0522 folks have line five different speed controls available either kits assembled/tested versions Prices range $32 $5595 over full range Hobby Lobby men Electric ma chines made very favorable impression 89 KRC Electric Fly has recently introduced several new products include new planes gear drives motors folding props prop adaptors cones Space limitations allow full coverage nice-looking Elec tric goodies HL has However no cost can get copy new Hobby Lobby catalog #15 readallaboutit Catalog #15 includes full-color photo likeable Dave Martin bosss son holding first-place plaque plane ASW-22BE Overall Most Impressive event USA s Biggest Electric Flight Meetthe 1989 KRC Electric Fly just gotta get catalog see yourself can writing phoning Hobby Lobby 5614 Franklin Pike Circle Brentwood TN 37027 tel 1-615/373-1444 tell em sent ya Continued page 156 qord S best 50lng Spark lgnltlOfl System V Chosen Byron 0dnds T&G Mfg AM Akcraft Sqiply far its outstalulng relalilty Complete single cylinder system including throttle-coupled spark advance kit sparkYE plug battery pack charger 900 sh elded____ spark plug lead Much longer mipie life Easy hand stalls-rn kckhack 10U-12ANNI RPM rebble idle 0% power foi strokers om hutebtion aveldib LowerpsicedfuelsnonitroneededSadapukpkigleedamlVpbigcover FermuIyenpIesIOfrqL2&4stroketwioctiders zolWoductsaviokle Spaik cob qau* ded plug lead & thokig kits avald2le B&P Associates Gives Total Fligbt Line FREEDOM new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont slop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 SUPER CANOPY Giant 99 x 16 vinyl clad nylon canopy Red ow e Color combo 95lplusuPsl 1-3/8 rugged pipe frame 10 easy out steel tent stakes nylon guys Folds neat heavy duty cardboard box goes up quickly complete instructions OhioOptional name city state printed ends 0 order canopy request additional information call write OHIO SUPERSTAR PRODUCTS Inc 216-223-1950 IPm rS 11376 Ridgeway Road Kensington ohio 44427 April 1990 51 Midwest Products has recently introduced Electric Hotsthe quietest member its Hots line Tom Strykers design originally appeared construction article Au gust 89 issue MAN Kit comes complete HP 100 motor price $11495 acranarit A- aaynawx MINI-JET SERIES pl3nes feature balsa construction Designed intermediate flyer mind will accept 25 32 size engine use rear exbaust engine exceptional perfomance Get thrill jet hassles ducted fan New Airfoil Version Fixed Gear Retractablcs New Midi jet 40 45 size Airfoil ror Rctractablea New Mini-Mini Jet 049 10 size Airfoil Retracts Mini Mini Jets Mini Jets ktidi-JetE stoee 0 W8i Canopy $1500$6000Re#act $5000 Sid $2000 Wi Canopy $2000d4 $2600 Wifi Catopy Pitie shipped Post paid xnait tuta Pleuc add $4tXl shipping tundling Parrish Aircrait & Scale Models 52S SW 49th Tet Phntation Fl 33317305 581 4477 Both kits went together quickiy easily should pose no problems intermediate builder would like try out planes yourself check local hobby shop contact Ken directly K&A Models Unlim ited 5990 California Ave Long Beach CA 90805 Dont forget about International Soaring RC Scale Fun Fly Tn-Cities WA coming up May 25-27 still plenty time register annual event can get alt info Wil Byers 632 Meadows Drive East Richland WA 99352 phone 1-509/627-5224 RC Electrics/Kopski Continued page 51 Romey Bukolt man behind Concept Mod els about year ago called discuss plans develop Fleet Electric Romey spe cializes Fleets Concept Models has prod uct line wet-powered ones various sizes chatted also referred him Keith Shaw very same bearded gentleman mentioned above Electric Practitioner Su preme Ann Arbor MI seeI said wasnt Santa Some months went got set plans Romey look over mark up did Keith did too few weeks ago got photo shown herein Concept Models pro totype 40 -powered Fleet can tell kit works dont have price availability info time can get particulars Concept 2906 Grandview Blvd Madison WI 53713 Electric Scale getting very popular kit will add considerably trend brings around Astro time recent conversation Bob Boucher told hes repackaging ever-popular Astro Por terfield attractive new box also hes including gear-drive 25 giant step sense now used seeing 05s packaged ever-expanding number Electrics 25 represents whole new level trend Personally think move going very successful Porterfield has con tinuous production ever since about 1978/79 very successful model air Since has get suitable power system fly way get plane-withmotor idea popularized Goldberg Elec tra several years ago has proven very successful marketing idea witness numbers kits-with-motors now market see no reason new Porserfield wont en joy success kind Some errors crept some offerings January issue MA Id like offer some corrections First off Skyvolt article centermost photo page 32 illustrates landing gear tachment caption mentions fiberglass matting text page 143 mentions iron-on cloth reinforcement latter correct have no idea former came theres trace fiberglass either Skyvolt shop Santa Naa Editing Elves Maybe As aside guess should explain some spirit Column coming fromIm writing December 25 1989 Let expand last comtttents bit have using iron-on cloth reinforcement modeling over two decades find GUIDE TO OVER 400 AIRCRAFT MUSEUMS CROSS REFERENCE BY AIRCRAFT SEND $700 postage included TO MICHAEL SLAUGHER See MA 6-89 P110 124 E Foster Parkway Fort Wayne IN 46806-1730 1-219-744-1020 Southwest RC Flying Year round flight school Five day course $350 Learn fLy planes Send SASE complete info to 2818 Carolina NE Albuquerque NM 87110 505 881-3799 extremely easy use very effective Wont work well fiberglass eases com pound curved areas does great job places use white Bondex brand manufactured Wrights Stock #230 002 costs about $1 6/2 x 14-in piece Bondex readily avail able sewing variety stores intended clothing patch material Isis basically cloth material heat-activated adhesive side flows about Wool setting typical household clothes iron use simply cut material outline size put place want cover pa per towel bring hot iron bear towel following time instructions supplied product paper used prevent adhesive soaks its side cloth way through goo-ing up iron glue sticks like crazy balsa ply cloth cools youve got tough sembly Anyway always install such cloth reinforcements first part covering job cant speak materials, find MonoKote goes over cloth nicely case Skyvolt used piece ma terial measuring about 3 x 4/ wrapped around ply landing gear mounting plate extends up sides fuselage about % As installation aid first adhered ply plate two flaps intended go up sides held out heats way fu selage sides masking tape latter re moved course before heat applied side pieces way used hold wet-powered firewalls place same waybut Ive grown out stage now second instance glitches KRC meet article erroneously referred Bill Winters Le Crate design Heron made its appearance meet earlier years Two other minor errors also found wy article opening paragraph page 87 gives participation 110 118a bit larger last years 113 despite rain am making fine point Because size get sing very important As discussed arti cle meet growth field size closing other KRC presently considering alter natives accommodate situation statement page 188 came out plane designed meet QSPRA Formula 120 rules 1/4 scale model accepts 60120 ci engines Features Epoxy glass fuselage foam wing contnsction Dural landing gear scale landing gear dd $1500 lufl kit S175O0 ad han IMPORTED DIESELS A-MAurorabcEDMyygJi.Ah PAWfaplln 8tandrd & R/C.OIg4g Aero Marine VIntag.Sporg & Conteat Send ioo informatlom ICARLSON ENGINE IMPORTS IPhoenI AZ RADIO SOUTH U1C AUTHORIZED SERVICE CENTER Call Tony Stiliman Ken Dudley custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices 0tiIkj Featuring fast service byAI qualified people th________ ___C___ _____ latest equipment Including SPECTRUM AMA YZER Orders COD MC Prices subject change notice 9003 N Davis Hwy Pensacola FL 32514 wrong sentence Twelve fliers Out 90 responding survey indicated fly Electric meet must have heaven originally read Twelve fliers 90 responding indicated fly Electric alonethis meet must have heaven point meet 12 lon ers otherwise have no enjoy Electric Can just iritagine folkswho may never have seen Electrics other ownbeing smack midst 272 planes same field folks such around country based coming mail Electric Connection Ser vice provided So lets hear guys Several questions have asked about na ture Skyvolt design presented MA Skyvolt should considered in-between de sign Aerodynamically plane far aer obatically capable trainer configurations like Mirage Aero Lectric etc latter course should very aerobatic other hand its ElectroStreak latter design generally flies significantly hotter Skyvolt same power system way Gold Fire motor sup plied ElectroStreak kit best economy can motors Ive seen fast-moving planes Glider-types Skyvolt virtue size airfoil frontal area landing gear weight etc fast aggressive Streak with same power sys 5EN K ___Anderson sesa5 Power Only certified checks nroney orders accepted Mininrum order $1200 three packages ot4 Powerpoles tPaP0 per package $150 shipping handlingi CT residents add 75% sales tao Prices subject change notice DUALER INQUIRIEs INVITED further intOrnation dealer prices send ASE Business Curd SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 tem tamer still being acrobatically ca pable described article also very rugged has wings rubberbanded can ac commodate some bumps bangs better Its highly versatile its design know thats intended easily accept very wide range power systems Thus standpoints both versatility capability its in-between youre just grad uating trainer configurations Skyvolt may indeed best next choice youre al ready highly skilled aerobatics hot what want ElectroStreak may preferred hope clarifies point thanks have written nice words about January issue personally didnt know until quite late Good Editor gonna put stuff single issue Im glad did technical column offerings find share readers very interested such matters example past have occasion ally presented extensive motor propeller per formance data speed control performance/behav tor info charger performance info similar things necessarily appeal everyone indeed hit mark Ive received responses extensive ad ditional data and/or analysis data Some go well beyond presentation levels Ive made column recent example came FREQUENCY CONVERSIONS AMA Frequency Cormntttee Approsed stock Futaba JR radios YS engines pans Ilatori headers sod pipes Repair Heli Sen Gyros repatr informatton 904 478-6745 Steve Hageman Chief Engineer Calex Mfg Inc Steve sent extensive comment analysis computer-plotted speed control drive wave forms Steves opinion optimum range operation high-rate speed controls about 25 50 kHz Ive received other opinions ques tion Whats best rate high rate hope pursue point someday myself meantime will interesting see speed control suppliers technically inclined modelers drive frame-rate/high-rate issue raised December 1989 column remarkable new motor operates prin ciples entirely foreign classic electromagnetic motor operation discussed article April 1989 issue British publication Elec rronics Wireless World page 356 arti cle entitled Intriguing Ball-Bearing Mo tor authored Stefan Marinov motor design presented contains no mag nets no windings has no commutator no brushes consists entirely two ballbearing assemblies spaced metal rod shaft Low-voltage electric current either AC DC applied Outer races two ballbearing assemblies According article operation motor depends heat particular bear ing balls contact inner outer bearing races essentially two points conContinued page 160 April 1990 157 9 WE STOCK FUTABA JR & ACE RADIOS & ACCESS YS&OS ENGINES HATORI PIPES & HEADERS AND MUCH MORE!! NEW TOLL FREE ORDER LINE 1 -800-962-7802 orders please RV-3 Deluxe Kit Need Only Join Wing Halves e Install Tail Feathers Cover Complete Hardware Packages tocluded 88 wingspan G-38 G-62 engine sizes 17-20 lbs weight range informatmn calf write ox 299 Gonzales Texas 78629 512 672-7023 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 20 four Strokes piped 60 two strokes beautiful performer competition just showing offi balsa kit machined wood parts complete hardware package includes Plug-in Sdjustable stab parts new wing mounts Wing Span -72 inWing Area 860 sq Complete Delux KitSI 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-I TYPHOON New F3A competition Rig beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS 1495 Fiberglass cowlS 1895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokesS 1495 TAR baby 120 four strokesS 1195 Alley Kat 40 size trainer sportS 895 Gator Flea 40 size sports 595 Bobcat 40 size sport5 595 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available VS-itO OS-60$495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 l-T-6 black anodized Undrilled Drilled YS-60 OS-itO Rubber Iso-Mounts SIB diameters 112 long 8-32 female end 8-32 112 male Other end Specify soft 50 durometer-yellowj firm 60 durometer-purple Each. S3OOPkgof43995 feather Ate glass cloth 7 ozsq yd est weave Fastest Filling test Finished Weight Big 3 Sq Yard Pkg Detailed Instructions 3895 Include 12 SOIltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 RC Electrics/Kopski Continued page 157 tact current flowing through such points points get hot result very high current density thereby causing deforma tion elongation otherwise round ball say ball gets longer between hot points contact motor self starting given twist will continue turn direction caused heated oval shape involved balls wanting roll away contacting housing pans turn allows new contact points balls roll position carry current become hot dis tort roll along happens smooth continuous fashion What has got Electrics Noth ing know Yet Someday maybe time remember read first right Model Aviation point Ill close month Happy Quiet Springtime heckanytime Electric Landings Everyone editor smells rat connection last blitz advanced technology might Con sider date British publication startling revelation alleged have appearedand astounding number pages issue might also consider very date issue Model Aviation RMcM responding advertisers mention read about Model Aviation RC Pylon Racing/Hager Continued page 52 lablished whereby Starter will notify contestants amount lime left such waving flag over head below waist preset time intervals engines started before end starting period Starter should check pilot confirm ready plane released flag aircraft off quickly possible approximately one-half-second intervals Starter should start stopwatch drops first flag contestants should have difficulty start ing engines Starter should flag off first aircraft starting period has elapsed whether pilots having difficulty ready aircraft must released its flag dropped ie No aircraft released flag dropped first time No 2 aircraft example does get its engine started No 3 aircraft must still wait flag dropped third time before being released aircraft blatantly released before receives its flag contestant disqualified heat aircraft damaged daring heat continues flying Starter may disqualify contestant opinion aircraft has sustained enough damage make flying unsafe Staner plans enforce recommendation contestants must notified such possible action pilots briefing situation contestant must land aircraft immediately after notifi cation face automatic disqualification contest contestant disqualified unsafe flying re ceives two cuts daring heat must pull oul race immediately after being personally notified face automatic disqualification nest heat disqaalified pilot should land aircraft until remaining aircraft heat have finished racing disqualified aircraft should flown higher altitude out way other aircraft however pilot experiencing radio problems must land immediately Starter has sole authority disqualify contes tant unsafe flying decision final Starter should flag aircraft crosses finish line its last lap Starter should stop watch first aircraft finishes serve back up Lap Counters watch Starter may disqual ify contestant lands aircraft between No 2 No 3 pylons situation pilot cuts either No 2 No 3 pylon last lap still receives flag pilot must fly another lap before officially consid ered have finished race cut last lap pilots second cut heat still disqualified receives checkered flag case photo finish end race Starter assisted Flight Recorder sole judge aircraft finished front disagreement between pilots offi cials concerning results race matter should settled immediately flight line Starter pilot feels mistake lap counting has caused him place lower should have official results can changed Lap Counter freely admits mak ing mislake pilots beat agree re sults should changed pilots disagree matter should dropped further discussion foul-up No pylon such Flag man flagging wrong aircraft light system used malfunction light offended contestant has option requesting he reflown Radio problems unless proven nol contestants fault will grounds refly Lap Counters Contest Director should select experienced workers Lap Counters should equipped stopwatches hard hats has found use cards reli able easy-to-manage system count laps Lap Counter should have cards numbered 10 plus checkered card signify Ihat heat over cards should color corresponding Lap Counters position recommended No po sition yellow No 2 green No 3 white No 4 orange card should slighlly smaller pre vious card example card No 6 should slightty smaller card No 5 helps insure card time will flipped over Lap Counters should positioned cards visible contestants heat should gin no cards showing Lap cards should always show number laps complete eg 7 showing GOLDEN EDITION WE OFFER THE BEST HERES WHY 4 days covered w/good conlinully Protesslonal mulE camera coverage Vast ediung w/complee scenes Excellent narrason & music Dynamic indoor showcase slaite display Over 75 ents-les w/full model & pilot reporla FIiRhI analysis w/fuII size counterpa86 Refleesons past masters events winners Banquet coverage w/awards & roasEn8 ceremonies ENDORSED BY SCALE MASTERS BOARD SPONSORED BY ZAP FUTABA BADGER K & B RUN TIMES APPROX 31/2 HRS TOTAL RETAIL PART 1 5995 PART 2 5495 SPECIAL ONLY 4795 / 4495 BOTH FOR ONIV 5795 SAVE 2700 YOU aea WflFII YOU YAY FORI DONT SETrLE FOR CHEAP SEMI-PROFESSIONAL COPIES GO WITH THE BEST ALL VIDEOS ON QUALITY MAXELL TAPE W/DELUXE CASES 1AnO~ OVER 1W HRS VALUED PRICED REG PR $4995 YOURS FOR ONLY $3995 BUY ANY 3 VIDEOS AT RETAIL PICK 4TH ONE FROM BELOW 1-71 FREE OTHER GREAT VIDEOS 1Airplane Funnies 30 mins3495 2Basic Count Beginners107 mins4195 31984 Scale Masters 60 miss3495 41987 Scale Masters 64 mins3995 51988 Scale Masters 90 miss2995 6Warbirds Action 80 mlns4495 7Which Way Up Aerobatim70 mins4495 ORDERING Check MO Visa/Master Card Include phone no orders 350 ShippIng add 100 per extra tape No CODs Canada res add 6% toital others add 12% toital ACADEMY OF AVIATION R & 0 PO BOX 277 l Cress IL 60429 708335-0776 Sales Final PRICES SUBJECT TO CHANGE WITHOUT NOTICE 160 Model Aviation Pwcakeet Supe Pw4 PeaiKaL 40. FREE CATALOG ji1Ti4enoeIciae
Edition: Model Aviation - 1990/04
Page Numbers: 50, 51, 156, 157, 160
HEAR THIS Electric Connection Service has some information folks greater Pitts burgh PA area active growing Electric club area called WESSthe Westmoreland Elec tric Soaring Society Ive met number folks annual KRC meet can tell fly quite variety Electrics make latter point because club name may mis lead thinking its Glider group Also WESS has excellent monthly newsletter named Watts Current lived western instead eastern Pennsylvania Id ap ply membership WESS Anyway information can contact WESS Vice President Neil Rossi 3947 Murry Highlands Circle Murrysville PA 15668 tel 1412/327-8741 WESS home least distinguished member Bob Markle Aside acting WESS President Bob RJM manufactures fine line Electric accessories RJM low David Lindsey 4440 E 117th Ave Thornton CO 80233 tel 1-303/450-0779 would like communicate modelers interested con version wet-powered designs clean Remember ECS youindividuals clubs wanting find other Electric fliers immediate area Just send info writing Ill list Im aware quite few loners Electric clubs seeking members until get go-ahead writing cant list infoin event such would de sired Ive got some latest products info share So no particular order goes RJM mentioned above introducing several new products gear box 25/40/60 co baIts Yes thats rightfor 60 folks have asked since Astro does supply price $75 can order RJM Bob Markle tells design fol lows earlier boxes 05/15 Another new product Fly/No-Fly tester simple plug-it-in box LED indicators will tell you have enough radio battery left fly safely Astro will soon add new speed control Part No 205 its long line Electric products Early word will optically coupled high-rate configuration greatest power sys tem efficiency will include brake function latter bit unusual because early plans call bank P-type MOSFETS metal oxide-semiconductor field-effect transistors Ed braking job wired such manner use energy otherwise dis sipated during braking charge battery No wont allow fly forever just few sec onds longer expect have early unit play very soon Ill keep posted 50 Model Aviation Radio Control Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 Electric Connection Service two offerings 2 Electric products info RJM Astro Leisure Hobby Lobby Concept Models 3 Errata January 90 MA Skyvolt landing gear/iron-on cloth KRC meet 4 Skyvolt questions/answers nature Skyvolt de sign 5 Comment column technical content includes high rate/frame rate info 6 An unusual motor development has NO magnets else Keith Shaw Ann Arbor Ml builds em like King Crimson flying wing shows influence Northrop XB-35 89 KRC Electric Fly Model spans 126 has 1980 sq in of area Six Leisure motors long gearbox drives turn 10 x 8 Rev-Up wide-blade props Power pack 28 Sanyo SCR Ni-Cd cells juice administered through Jomar SC4 speed control Spring Air retract system weighs 10 lb spectators loved see fly quiet motivation David particularly interested converting 40 -sized designs similarly inclined can connect him-and tell him Bob sent ya Concept Models makes kits Flee latest 56-in.span Electric power prototype weighed 6 lb 10 oz cells 14 x 6 prop flies nicely Bare bones r system weighs 53 oz Kopskis rule says Electrics power system should 50 finished weight Finally Bob has expanded line speed con trollers with/without propeller brakes motors up 60 size Plans future products clude fast chargers TX RX batteries discussing Bob Id like point Out unidentified helper launching Dave Fraz iers Sailplane photo page 90 Janu arys MA isyou guessed itBob Markle him self found out too late supply editot info caption Anyway can v Bob Markle RJM Unit #3 Sandy Hill Ru RD #6 Irwin PA 15642 Recent info Ive received part Christmas sizes 40 Hobby Lobbys ET200 Electric Sailplane kit comes completely built covered Wing span 78 power system folding prop same very successful UHU another popular Hobby Lobby Electric greeting has Leisure has made yet improvement its gearbox gears As understand latest output gear design quite thick happens dark gray color past Leisure indicated units gear ratio gear color same color ratio printed gear case story got says best Leisure gears yet info comes very reliable source bearded gentleman Ann Arbor MINo Santa Elden-Ken Electronics will have new name ginning new year will become Stone Electronics new address 1175 W 17th Ave #201 Lakewood CO 80215 tel 1-303/234-0522 folks have line five different speed controls available either kits assembled/tested versions Prices range $32 $5595 over full range Hobby Lobby men Electric ma chines made very favorable impression 89 KRC Electric Fly has recently introduced several new products include new planes gear drives motors folding props prop adaptors cones Space limitations allow full coverage nice-looking Elec tric goodies HL has However no cost can get copy new Hobby Lobby catalog #15 readallaboutit Catalog #15 includes full-color photo likeable Dave Martin bosss son holding first-place plaque plane ASW-22BE Overall Most Impressive event USA s Biggest Electric Flight Meetthe 1989 KRC Electric Fly just gotta get catalog see yourself can writing phoning Hobby Lobby 5614 Franklin Pike Circle Brentwood TN 37027 tel 1-615/373-1444 tell em sent ya Continued page 156 qord S best 50lng Spark lgnltlOfl System V Chosen Byron 0dnds T&G Mfg AM Akcraft Sqiply far its outstalulng relalilty Complete single cylinder system including throttle-coupled spark advance kit sparkYE plug battery pack charger 900 sh elded____ spark plug lead Much longer mipie life Easy hand stalls-rn kckhack 10U-12ANNI RPM rebble idle 0% power foi strokers om hutebtion aveldib LowerpsicedfuelsnonitroneededSadapukpkigleedamlVpbigcover FermuIyenpIesIOfrqL2&4stroketwioctiders zolWoductsaviokle Spaik cob qau* ded plug lead & thokig kits avald2le B&P Associates Gives Total Fligbt Line FREEDOM new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont slop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 SUPER CANOPY Giant 99 x 16 vinyl clad nylon canopy Red ow e Color combo 95lplusuPsl 1-3/8 rugged pipe frame 10 easy out steel tent stakes nylon guys Folds neat heavy duty cardboard box goes up quickly complete instructions OhioOptional name city state printed ends 0 order canopy request additional information call write OHIO SUPERSTAR PRODUCTS Inc 216-223-1950 IPm rS 11376 Ridgeway Road Kensington ohio 44427 April 1990 51 Midwest Products has recently introduced Electric Hotsthe quietest member its Hots line Tom Strykers design originally appeared construction article Au gust 89 issue MAN Kit comes complete HP 100 motor price $11495 acranarit A- aaynawx MINI-JET SERIES pl3nes feature balsa construction Designed intermediate flyer mind will accept 25 32 size engine use rear exbaust engine exceptional perfomance Get thrill jet hassles ducted fan New Airfoil Version Fixed Gear Retractablcs New Midi jet 40 45 size Airfoil ror Rctractablea New Mini-Mini Jet 049 10 size Airfoil Retracts Mini Mini Jets Mini Jets ktidi-JetE stoee 0 W8i Canopy $1500$6000Re#act $5000 Sid $2000 Wi Canopy $2000d4 $2600 Wifi Catopy Pitie shipped Post paid xnait tuta Pleuc add $4tXl shipping tundling Parrish Aircrait & Scale Models 52S SW 49th Tet Phntation Fl 33317305 581 4477 Both kits went together quickiy easily should pose no problems intermediate builder would like try out planes yourself check local hobby shop contact Ken directly K&A Models Unlim ited 5990 California Ave Long Beach CA 90805 Dont forget about International Soaring RC Scale Fun Fly Tn-Cities WA coming up May 25-27 still plenty time register annual event can get alt info Wil Byers 632 Meadows Drive East Richland WA 99352 phone 1-509/627-5224 RC Electrics/Kopski Continued page 51 Romey Bukolt man behind Concept Mod els about year ago called discuss plans develop Fleet Electric Romey spe cializes Fleets Concept Models has prod uct line wet-powered ones various sizes chatted also referred him Keith Shaw very same bearded gentleman mentioned above Electric Practitioner Su preme Ann Arbor MI seeI said wasnt Santa Some months went got set plans Romey look over mark up did Keith did too few weeks ago got photo shown herein Concept Models pro totype 40 -powered Fleet can tell kit works dont have price availability info time can get particulars Concept 2906 Grandview Blvd Madison WI 53713 Electric Scale getting very popular kit will add considerably trend brings around Astro time recent conversation Bob Boucher told hes repackaging ever-popular Astro Por terfield attractive new box also hes including gear-drive 25 giant step sense now used seeing 05s packaged ever-expanding number Electrics 25 represents whole new level trend Personally think move going very successful Porterfield has con tinuous production ever since about 1978/79 very successful model air Since has get suitable power system fly way get plane-withmotor idea popularized Goldberg Elec tra several years ago has proven very successful marketing idea witness numbers kits-with-motors now market see no reason new Porserfield wont en joy success kind Some errors crept some offerings January issue MA Id like offer some corrections First off Skyvolt article centermost photo page 32 illustrates landing gear tachment caption mentions fiberglass matting text page 143 mentions iron-on cloth reinforcement latter correct have no idea former came theres trace fiberglass either Skyvolt shop Santa Naa Editing Elves Maybe As aside guess should explain some spirit Column coming fromIm writing December 25 1989 Let expand last comtttents bit have using iron-on cloth reinforcement modeling over two decades find GUIDE TO OVER 400 AIRCRAFT MUSEUMS CROSS REFERENCE BY AIRCRAFT SEND $700 postage included TO MICHAEL SLAUGHER See MA 6-89 P110 124 E Foster Parkway Fort Wayne IN 46806-1730 1-219-744-1020 Southwest RC Flying Year round flight school Five day course $350 Learn fLy planes Send SASE complete info to 2818 Carolina NE Albuquerque NM 87110 505 881-3799 extremely easy use very effective Wont work well fiberglass eases com pound curved areas does great job places use white Bondex brand manufactured Wrights Stock #230 002 costs about $1 6/2 x 14-in piece Bondex readily avail able sewing variety stores intended clothing patch material Isis basically cloth material heat-activated adhesive side flows about Wool setting typical household clothes iron use simply cut material outline size put place want cover pa per towel bring hot iron bear towel following time instructions supplied product paper used prevent adhesive soaks its side cloth way through goo-ing up iron glue sticks like crazy balsa ply cloth cools youve got tough sembly Anyway always install such cloth reinforcements first part covering job cant speak materials, find MonoKote goes over cloth nicely case Skyvolt used piece ma terial measuring about 3 x 4/ wrapped around ply landing gear mounting plate extends up sides fuselage about % As installation aid first adhered ply plate two flaps intended go up sides held out heats way fu selage sides masking tape latter re moved course before heat applied side pieces way used hold wet-powered firewalls place same waybut Ive grown out stage now second instance glitches KRC meet article erroneously referred Bill Winters Le Crate design Heron made its appearance meet earlier years Two other minor errors also found wy article opening paragraph page 87 gives participation 110 118a bit larger last years 113 despite rain am making fine point Because size get sing very important As discussed arti cle meet growth field size closing other KRC presently considering alter natives accommodate situation statement page 188 came out plane designed meet QSPRA Formula 120 rules 1/4 scale model accepts 60120 ci engines Features Epoxy glass fuselage foam wing contnsction Dural landing gear scale landing gear dd $1500 lufl kit S175O0 ad han IMPORTED DIESELS A-MAurorabcEDMyygJi.Ah PAWfaplln 8tandrd & R/C.OIg4g Aero Marine VIntag.Sporg & Conteat Send ioo informatlom ICARLSON ENGINE IMPORTS IPhoenI AZ RADIO SOUTH U1C AUTHORIZED SERVICE CENTER Call Tony Stiliman Ken Dudley custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices 0tiIkj Featuring fast service byAI qualified people th________ ___C___ _____ latest equipment Including SPECTRUM AMA YZER Orders COD MC Prices subject change notice 9003 N Davis Hwy Pensacola FL 32514 wrong sentence Twelve fliers Out 90 responding survey indicated fly Electric meet must have heaven originally read Twelve fliers 90 responding indicated fly Electric alonethis meet must have heaven point meet 12 lon ers otherwise have no enjoy Electric Can just iritagine folkswho may never have seen Electrics other ownbeing smack midst 272 planes same field folks such around country based coming mail Electric Connection Ser vice provided So lets hear guys Several questions have asked about na ture Skyvolt design presented MA Skyvolt should considered in-between de sign Aerodynamically plane far aer obatically capable trainer configurations like Mirage Aero Lectric etc latter course should very aerobatic other hand its ElectroStreak latter design generally flies significantly hotter Skyvolt same power system way Gold Fire motor sup plied ElectroStreak kit best economy can motors Ive seen fast-moving planes Glider-types Skyvolt virtue size airfoil frontal area landing gear weight etc fast aggressive Streak with same power sys 5EN K ___Anderson sesa5 Power Only certified checks nroney orders accepted Mininrum order $1200 three packages ot4 Powerpoles tPaP0 per package $150 shipping handlingi CT residents add 75% sales tao Prices subject change notice DUALER INQUIRIEs INVITED further intOrnation dealer prices send ASE Business Curd SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 tem tamer still being acrobatically ca pable described article also very rugged has wings rubberbanded can ac commodate some bumps bangs better Its highly versatile its design know thats intended easily accept very wide range power systems Thus standpoints both versatility capability its in-between youre just grad uating trainer configurations Skyvolt may indeed best next choice youre al ready highly skilled aerobatics hot what want ElectroStreak may preferred hope clarifies point thanks have written nice words about January issue personally didnt know until quite late Good Editor gonna put stuff single issue Im glad did technical column offerings find share readers very interested such matters example past have occasion ally presented extensive motor propeller per formance data speed control performance/behav tor info charger performance info similar things necessarily appeal everyone indeed hit mark Ive received responses extensive ad ditional data and/or analysis data Some go well beyond presentation levels Ive made column recent example came FREQUENCY CONVERSIONS AMA Frequency Cormntttee Approsed stock Futaba JR radios YS engines pans Ilatori headers sod pipes Repair Heli Sen Gyros repatr informatton 904 478-6745 Steve Hageman Chief Engineer Calex Mfg Inc Steve sent extensive comment analysis computer-plotted speed control drive wave forms Steves opinion optimum range operation high-rate speed controls about 25 50 kHz Ive received other opinions ques tion Whats best rate high rate hope pursue point someday myself meantime will interesting see speed control suppliers technically inclined modelers drive frame-rate/high-rate issue raised December 1989 column remarkable new motor operates prin ciples entirely foreign classic electromagnetic motor operation discussed article April 1989 issue British publication Elec rronics Wireless World page 356 arti cle entitled Intriguing Ball-Bearing Mo tor authored Stefan Marinov motor design presented contains no mag nets no windings has no commutator no brushes consists entirely two ballbearing assemblies spaced metal rod shaft Low-voltage electric current either AC DC applied Outer races two ballbearing assemblies According article operation motor depends heat particular bear ing balls contact inner outer bearing races essentially two points conContinued page 160 April 1990 157 9 WE STOCK FUTABA JR & ACE RADIOS & ACCESS YS&OS ENGINES HATORI PIPES & HEADERS AND MUCH MORE!! NEW TOLL FREE ORDER LINE 1 -800-962-7802 orders please RV-3 Deluxe Kit Need Only Join Wing Halves e Install Tail Feathers Cover Complete Hardware Packages tocluded 88 wingspan G-38 G-62 engine sizes 17-20 lbs weight range informatmn calf write ox 299 Gonzales Texas 78629 512 672-7023 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 20 four Strokes piped 60 two strokes beautiful performer competition just showing offi balsa kit machined wood parts complete hardware package includes Plug-in Sdjustable stab parts new wing mounts Wing Span -72 inWing Area 860 sq Complete Delux KitSI 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-I TYPHOON New F3A competition Rig beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS 1495 Fiberglass cowlS 1895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokesS 1495 TAR baby 120 four strokesS 1195 Alley Kat 40 size trainer sportS 895 Gator Flea 40 size sports 595 Bobcat 40 size sport5 595 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available VS-itO OS-60$495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 l-T-6 black anodized Undrilled Drilled YS-60 OS-itO Rubber Iso-Mounts SIB diameters 112 long 8-32 female end 8-32 112 male Other end Specify soft 50 durometer-yellowj firm 60 durometer-purple Each. S3OOPkgof43995 feather Ate glass cloth 7 ozsq yd est weave Fastest Filling test Finished Weight Big 3 Sq Yard Pkg Detailed Instructions 3895 Include 12 SOIltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 RC Electrics/Kopski Continued page 157 tact current flowing through such points points get hot result very high current density thereby causing deforma tion elongation otherwise round ball say ball gets longer between hot points contact motor self starting given twist will continue turn direction caused heated oval shape involved balls wanting roll away contacting housing pans turn allows new contact points balls roll position carry current become hot dis tort roll along happens smooth continuous fashion What has got Electrics Noth ing know Yet Someday maybe time remember read first right Model Aviation point Ill close month Happy Quiet Springtime heckanytime Electric Landings Everyone editor smells rat connection last blitz advanced technology might Con sider date British publication startling revelation alleged have appearedand astounding number pages issue might also consider very date issue Model Aviation RMcM responding advertisers mention read about Model Aviation RC Pylon Racing/Hager Continued page 52 lablished whereby Starter will notify contestants amount lime left such waving flag over head below waist preset time intervals engines started before end starting period Starter should check pilot confirm ready plane released flag aircraft off quickly possible approximately one-half-second intervals Starter should start stopwatch drops first flag contestants should have difficulty start ing engines Starter should flag off first aircraft starting period has elapsed whether pilots having difficulty ready aircraft must released its flag dropped ie No aircraft released flag dropped first time No 2 aircraft example does get its engine started No 3 aircraft must still wait flag dropped third time before being released aircraft blatantly released before receives its flag contestant disqualified heat aircraft damaged daring heat continues flying Starter may disqualify contestant opinion aircraft has sustained enough damage make flying unsafe Staner plans enforce recommendation contestants must notified such possible action pilots briefing situation contestant must land aircraft immediately after notifi cation face automatic disqualification contest contestant disqualified unsafe flying re ceives two cuts daring heat must pull oul race immediately after being personally notified face automatic disqualification nest heat disqaalified pilot should land aircraft until remaining aircraft heat have finished racing disqualified aircraft should flown higher altitude out way other aircraft however pilot experiencing radio problems must land immediately Starter has sole authority disqualify contes tant unsafe flying decision final Starter should flag aircraft crosses finish line its last lap Starter should stop watch first aircraft finishes serve back up Lap Counters watch Starter may disqual ify contestant lands aircraft between No 2 No 3 pylons situation pilot cuts either No 2 No 3 pylon last lap still receives flag pilot must fly another lap before officially consid ered have finished race cut last lap pilots second cut heat still disqualified receives checkered flag case photo finish end race Starter assisted Flight Recorder sole judge aircraft finished front disagreement between pilots offi cials concerning results race matter should settled immediately flight line Starter pilot feels mistake lap counting has caused him place lower should have official results can changed Lap Counter freely admits mak ing mislake pilots beat agree re sults should changed pilots disagree matter should dropped further discussion foul-up No pylon such Flag man flagging wrong aircraft light system used malfunction light offended contestant has option requesting he reflown Radio problems unless proven nol contestants fault will grounds refly Lap Counters Contest Director should select experienced workers Lap Counters should equipped stopwatches hard hats has found use cards reli able easy-to-manage system count laps Lap Counter should have cards numbered 10 plus checkered card signify Ihat heat over cards should color corresponding Lap Counters position recommended No po sition yellow No 2 green No 3 white No 4 orange card should slighlly smaller pre vious card example card No 6 should slightty smaller card No 5 helps insure card time will flipped over Lap Counters should positioned cards visible contestants heat should gin no cards showing Lap cards should always show number laps complete eg 7 showing GOLDEN EDITION WE OFFER THE BEST HERES WHY 4 days covered w/good conlinully Protesslonal mulE camera coverage Vast ediung w/complee scenes Excellent narrason & music Dynamic indoor showcase slaite display Over 75 ents-les w/full model & pilot reporla FIiRhI analysis w/fuII size counterpa86 Refleesons past masters events winners Banquet coverage w/awards & roasEn8 ceremonies ENDORSED BY SCALE MASTERS BOARD SPONSORED BY ZAP FUTABA BADGER K & B RUN TIMES APPROX 31/2 HRS TOTAL RETAIL PART 1 5995 PART 2 5495 SPECIAL ONLY 4795 / 4495 BOTH FOR ONIV 5795 SAVE 2700 YOU aea WflFII YOU YAY FORI DONT SETrLE FOR CHEAP SEMI-PROFESSIONAL COPIES GO WITH THE BEST ALL VIDEOS ON QUALITY MAXELL TAPE W/DELUXE CASES 1AnO~ OVER 1W HRS VALUED PRICED REG PR $4995 YOURS FOR ONLY $3995 BUY ANY 3 VIDEOS AT RETAIL PICK 4TH ONE FROM BELOW 1-71 FREE OTHER GREAT VIDEOS 1Airplane Funnies 30 mins3495 2Basic Count Beginners107 mins4195 31984 Scale Masters 60 miss3495 41987 Scale Masters 64 mins3995 51988 Scale Masters 90 miss2995 6Warbirds Action 80 mlns4495 7Which Way Up Aerobatim70 mins4495 ORDERING Check MO Visa/Master Card Include phone no orders 350 ShippIng add 100 per extra tape No CODs Canada res add 6% toital others add 12% toital ACADEMY OF AVIATION R & 0 PO BOX 277 l Cress IL 60429 708335-0776 Sales Final PRICES SUBJECT TO CHANGE WITHOUT NOTICE 160 Model Aviation Pwcakeet Supe Pw4 PeaiKaL 40. FREE CATALOG ji1Ti4enoeIciae
Edition: Model Aviation - 1990/04
Page Numbers: 50, 51, 156, 157, 160
HEAR THIS Electric Connection Service has some information folks greater Pitts burgh PA area active growing Electric club area called WESSthe Westmoreland Elec tric Soaring Society Ive met number folks annual KRC meet can tell fly quite variety Electrics make latter point because club name may mis lead thinking its Glider group Also WESS has excellent monthly newsletter named Watts Current lived western instead eastern Pennsylvania Id ap ply membership WESS Anyway information can contact WESS Vice President Neil Rossi 3947 Murry Highlands Circle Murrysville PA 15668 tel 1412/327-8741 WESS home least distinguished member Bob Markle Aside acting WESS President Bob RJM manufactures fine line Electric accessories RJM low David Lindsey 4440 E 117th Ave Thornton CO 80233 tel 1-303/450-0779 would like communicate modelers interested con version wet-powered designs clean Remember ECS youindividuals clubs wanting find other Electric fliers immediate area Just send info writing Ill list Im aware quite few loners Electric clubs seeking members until get go-ahead writing cant list infoin event such would de sired Ive got some latest products info share So no particular order goes RJM mentioned above introducing several new products gear box 25/40/60 co baIts Yes thats rightfor 60 folks have asked since Astro does supply price $75 can order RJM Bob Markle tells design fol lows earlier boxes 05/15 Another new product Fly/No-Fly tester simple plug-it-in box LED indicators will tell you have enough radio battery left fly safely Astro will soon add new speed control Part No 205 its long line Electric products Early word will optically coupled high-rate configuration greatest power sys tem efficiency will include brake function latter bit unusual because early plans call bank P-type MOSFETS metal oxide-semiconductor field-effect transistors Ed braking job wired such manner use energy otherwise dis sipated during braking charge battery No wont allow fly forever just few sec onds longer expect have early unit play very soon Ill keep posted 50 Model Aviation Radio Control Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 Electric Connection Service two offerings 2 Electric products info RJM Astro Leisure Hobby Lobby Concept Models 3 Errata January 90 MA Skyvolt landing gear/iron-on cloth KRC meet 4 Skyvolt questions/answers nature Skyvolt de sign 5 Comment column technical content includes high rate/frame rate info 6 An unusual motor development has NO magnets else Keith Shaw Ann Arbor Ml builds em like King Crimson flying wing shows influence Northrop XB-35 89 KRC Electric Fly Model spans 126 has 1980 sq in of area Six Leisure motors long gearbox drives turn 10 x 8 Rev-Up wide-blade props Power pack 28 Sanyo SCR Ni-Cd cells juice administered through Jomar SC4 speed control Spring Air retract system weighs 10 lb spectators loved see fly quiet motivation David particularly interested converting 40 -sized designs similarly inclined can connect him-and tell him Bob sent ya Concept Models makes kits Flee latest 56-in.span Electric power prototype weighed 6 lb 10 oz cells 14 x 6 prop flies nicely Bare bones r system weighs 53 oz Kopskis rule says Electrics power system should 50 finished weight Finally Bob has expanded line speed con trollers with/without propeller brakes motors up 60 size Plans future products clude fast chargers TX RX batteries discussing Bob Id like point Out unidentified helper launching Dave Fraz iers Sailplane photo page 90 Janu arys MA isyou guessed itBob Markle him self found out too late supply editot info caption Anyway can v Bob Markle RJM Unit #3 Sandy Hill Ru RD #6 Irwin PA 15642 Recent info Ive received part Christmas sizes 40 Hobby Lobbys ET200 Electric Sailplane kit comes completely built covered Wing span 78 power system folding prop same very successful UHU another popular Hobby Lobby Electric greeting has Leisure has made yet improvement its gearbox gears As understand latest output gear design quite thick happens dark gray color past Leisure indicated units gear ratio gear color same color ratio printed gear case story got says best Leisure gears yet info comes very reliable source bearded gentleman Ann Arbor MINo Santa Elden-Ken Electronics will have new name ginning new year will become Stone Electronics new address 1175 W 17th Ave #201 Lakewood CO 80215 tel 1-303/234-0522 folks have line five different speed controls available either kits assembled/tested versions Prices range $32 $5595 over full range Hobby Lobby men Electric ma chines made very favorable impression 89 KRC Electric Fly has recently introduced several new products include new planes gear drives motors folding props prop adaptors cones Space limitations allow full coverage nice-looking Elec tric goodies HL has However no cost can get copy new Hobby Lobby catalog #15 readallaboutit Catalog #15 includes full-color photo likeable Dave Martin bosss son holding first-place plaque plane ASW-22BE Overall Most Impressive event USA s Biggest Electric Flight Meetthe 1989 KRC Electric Fly just gotta get catalog see yourself can writing phoning Hobby Lobby 5614 Franklin Pike Circle Brentwood TN 37027 tel 1-615/373-1444 tell em sent ya Continued page 156 qord S best 50lng Spark lgnltlOfl System V Chosen Byron 0dnds T&G Mfg AM Akcraft Sqiply far its outstalulng relalilty Complete single cylinder system including throttle-coupled spark advance kit sparkYE plug battery pack charger 900 sh elded____ spark plug lead Much longer mipie life Easy hand stalls-rn kckhack 10U-12ANNI RPM rebble idle 0% power foi strokers om hutebtion aveldib LowerpsicedfuelsnonitroneededSadapukpkigleedamlVpbigcover FermuIyenpIesIOfrqL2&4stroketwioctiders zolWoductsaviokle Spaik cob qau* ded plug lead & thokig kits avald2le B&P Associates Gives Total Fligbt Line FREEDOM new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont slop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 SUPER CANOPY Giant 99 x 16 vinyl clad nylon canopy Red ow e Color combo 95lplusuPsl 1-3/8 rugged pipe frame 10 easy out steel tent stakes nylon guys Folds neat heavy duty cardboard box goes up quickly complete instructions OhioOptional name city state printed ends 0 order canopy request additional information call write OHIO SUPERSTAR PRODUCTS Inc 216-223-1950 IPm rS 11376 Ridgeway Road Kensington ohio 44427 April 1990 51 Midwest Products has recently introduced Electric Hotsthe quietest member its Hots line Tom Strykers design originally appeared construction article Au gust 89 issue MAN Kit comes complete HP 100 motor price $11495 acranarit A- aaynawx MINI-JET SERIES pl3nes feature balsa construction Designed intermediate flyer mind will accept 25 32 size engine use rear exbaust engine exceptional perfomance Get thrill jet hassles ducted fan New Airfoil Version Fixed Gear Retractablcs New Midi jet 40 45 size Airfoil ror Rctractablea New Mini-Mini Jet 049 10 size Airfoil Retracts Mini Mini Jets Mini Jets ktidi-JetE stoee 0 W8i Canopy $1500$6000Re#act $5000 Sid $2000 Wi Canopy $2000d4 $2600 Wifi Catopy Pitie shipped Post paid xnait tuta Pleuc add $4tXl shipping tundling Parrish Aircrait & Scale Models 52S SW 49th Tet Phntation Fl 33317305 581 4477 Both kits went together quickiy easily should pose no problems intermediate builder would like try out planes yourself check local hobby shop contact Ken directly K&A Models Unlim ited 5990 California Ave Long Beach CA 90805 Dont forget about International Soaring RC Scale Fun Fly Tn-Cities WA coming up May 25-27 still plenty time register annual event can get alt info Wil Byers 632 Meadows Drive East Richland WA 99352 phone 1-509/627-5224 RC Electrics/Kopski Continued page 51 Romey Bukolt man behind Concept Mod els about year ago called discuss plans develop Fleet Electric Romey spe cializes Fleets Concept Models has prod uct line wet-powered ones various sizes chatted also referred him Keith Shaw very same bearded gentleman mentioned above Electric Practitioner Su preme Ann Arbor MI seeI said wasnt Santa Some months went got set plans Romey look over mark up did Keith did too few weeks ago got photo shown herein Concept Models pro totype 40 -powered Fleet can tell kit works dont have price availability info time can get particulars Concept 2906 Grandview Blvd Madison WI 53713 Electric Scale getting very popular kit will add considerably trend brings around Astro time recent conversation Bob Boucher told hes repackaging ever-popular Astro Por terfield attractive new box also hes including gear-drive 25 giant step sense now used seeing 05s packaged ever-expanding number Electrics 25 represents whole new level trend Personally think move going very successful Porterfield has con tinuous production ever since about 1978/79 very successful model air Since has get suitable power system fly way get plane-withmotor idea popularized Goldberg Elec tra several years ago has proven very successful marketing idea witness numbers kits-with-motors now market see no reason new Porserfield wont en joy success kind Some errors crept some offerings January issue MA Id like offer some corrections First off Skyvolt article centermost photo page 32 illustrates landing gear tachment caption mentions fiberglass matting text page 143 mentions iron-on cloth reinforcement latter correct have no idea former came theres trace fiberglass either Skyvolt shop Santa Naa Editing Elves Maybe As aside guess should explain some spirit Column coming fromIm writing December 25 1989 Let expand last comtttents bit have using iron-on cloth reinforcement modeling over two decades find GUIDE TO OVER 400 AIRCRAFT MUSEUMS CROSS REFERENCE BY AIRCRAFT SEND $700 postage included TO MICHAEL SLAUGHER See MA 6-89 P110 124 E Foster Parkway Fort Wayne IN 46806-1730 1-219-744-1020 Southwest RC Flying Year round flight school Five day course $350 Learn fLy planes Send SASE complete info to 2818 Carolina NE Albuquerque NM 87110 505 881-3799 extremely easy use very effective Wont work well fiberglass eases com pound curved areas does great job places use white Bondex brand manufactured Wrights Stock #230 002 costs about $1 6/2 x 14-in piece Bondex readily avail able sewing variety stores intended clothing patch material Isis basically cloth material heat-activated adhesive side flows about Wool setting typical household clothes iron use simply cut material outline size put place want cover pa per towel bring hot iron bear towel following time instructions supplied product paper used prevent adhesive soaks its side cloth way through goo-ing up iron glue sticks like crazy balsa ply cloth cools youve got tough sembly Anyway always install such cloth reinforcements first part covering job cant speak materials, find MonoKote goes over cloth nicely case Skyvolt used piece ma terial measuring about 3 x 4/ wrapped around ply landing gear mounting plate extends up sides fuselage about % As installation aid first adhered ply plate two flaps intended go up sides held out heats way fu selage sides masking tape latter re moved course before heat applied side pieces way used hold wet-powered firewalls place same waybut Ive grown out stage now second instance glitches KRC meet article erroneously referred Bill Winters Le Crate design Heron made its appearance meet earlier years Two other minor errors also found wy article opening paragraph page 87 gives participation 110 118a bit larger last years 113 despite rain am making fine point Because size get sing very important As discussed arti cle meet growth field size closing other KRC presently considering alter natives accommodate situation statement page 188 came out plane designed meet QSPRA Formula 120 rules 1/4 scale model accepts 60120 ci engines Features Epoxy glass fuselage foam wing contnsction Dural landing gear scale landing gear dd $1500 lufl kit S175O0 ad han IMPORTED DIESELS A-MAurorabcEDMyygJi.Ah PAWfaplln 8tandrd & R/C.OIg4g Aero Marine VIntag.Sporg & Conteat Send ioo informatlom ICARLSON ENGINE IMPORTS IPhoenI AZ RADIO SOUTH U1C AUTHORIZED SERVICE CENTER Call Tony Stiliman Ken Dudley custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices 0tiIkj Featuring fast service byAI qualified people th________ ___C___ _____ latest equipment Including SPECTRUM AMA YZER Orders COD MC Prices subject change notice 9003 N Davis Hwy Pensacola FL 32514 wrong sentence Twelve fliers Out 90 responding survey indicated fly Electric meet must have heaven originally read Twelve fliers 90 responding indicated fly Electric alonethis meet must have heaven point meet 12 lon ers otherwise have no enjoy Electric Can just iritagine folkswho may never have seen Electrics other ownbeing smack midst 272 planes same field folks such around country based coming mail Electric Connection Ser vice provided So lets hear guys Several questions have asked about na ture Skyvolt design presented MA Skyvolt should considered in-between de sign Aerodynamically plane far aer obatically capable trainer configurations like Mirage Aero Lectric etc latter course should very aerobatic other hand its ElectroStreak latter design generally flies significantly hotter Skyvolt same power system way Gold Fire motor sup plied ElectroStreak kit best economy can motors Ive seen fast-moving planes Glider-types Skyvolt virtue size airfoil frontal area landing gear weight etc fast aggressive Streak with same power sys 5EN K ___Anderson sesa5 Power Only certified checks nroney orders accepted Mininrum order $1200 three packages ot4 Powerpoles tPaP0 per package $150 shipping handlingi CT residents add 75% sales tao Prices subject change notice DUALER INQUIRIEs INVITED further intOrnation dealer prices send ASE Business Curd SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 tem tamer still being acrobatically ca pable described article also very rugged has wings rubberbanded can ac commodate some bumps bangs better Its highly versatile its design know thats intended easily accept very wide range power systems Thus standpoints both versatility capability its in-between youre just grad uating trainer configurations Skyvolt may indeed best next choice youre al ready highly skilled aerobatics hot what want ElectroStreak may preferred hope clarifies point thanks have written nice words about January issue personally didnt know until quite late Good Editor gonna put stuff single issue Im glad did technical column offerings find share readers very interested such matters example past have occasion ally presented extensive motor propeller per formance data speed control performance/behav tor info charger performance info similar things necessarily appeal everyone indeed hit mark Ive received responses extensive ad ditional data and/or analysis data Some go well beyond presentation levels Ive made column recent example came FREQUENCY CONVERSIONS AMA Frequency Cormntttee Approsed stock Futaba JR radios YS engines pans Ilatori headers sod pipes Repair Heli Sen Gyros repatr informatton 904 478-6745 Steve Hageman Chief Engineer Calex Mfg Inc Steve sent extensive comment analysis computer-plotted speed control drive wave forms Steves opinion optimum range operation high-rate speed controls about 25 50 kHz Ive received other opinions ques tion Whats best rate high rate hope pursue point someday myself meantime will interesting see speed control suppliers technically inclined modelers drive frame-rate/high-rate issue raised December 1989 column remarkable new motor operates prin ciples entirely foreign classic electromagnetic motor operation discussed article April 1989 issue British publication Elec rronics Wireless World page 356 arti cle entitled Intriguing Ball-Bearing Mo tor authored Stefan Marinov motor design presented contains no mag nets no windings has no commutator no brushes consists entirely two ballbearing assemblies spaced metal rod shaft Low-voltage electric current either AC DC applied Outer races two ballbearing assemblies According article operation motor depends heat particular bear ing balls contact inner outer bearing races essentially two points conContinued page 160 April 1990 157 9 WE STOCK FUTABA JR & ACE RADIOS & ACCESS YS&OS ENGINES HATORI PIPES & HEADERS AND MUCH MORE!! NEW TOLL FREE ORDER LINE 1 -800-962-7802 orders please RV-3 Deluxe Kit Need Only Join Wing Halves e Install Tail Feathers Cover Complete Hardware Packages tocluded 88 wingspan G-38 G-62 engine sizes 17-20 lbs weight range informatmn calf write ox 299 Gonzales Texas 78629 512 672-7023 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 20 four Strokes piped 60 two strokes beautiful performer competition just showing offi balsa kit machined wood parts complete hardware package includes Plug-in Sdjustable stab parts new wing mounts Wing Span -72 inWing Area 860 sq Complete Delux KitSI 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-I TYPHOON New F3A competition Rig beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS 1495 Fiberglass cowlS 1895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokesS 1495 TAR baby 120 four strokesS 1195 Alley Kat 40 size trainer sportS 895 Gator Flea 40 size sports 595 Bobcat 40 size sport5 595 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available VS-itO OS-60$495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 l-T-6 black anodized Undrilled Drilled YS-60 OS-itO Rubber Iso-Mounts SIB diameters 112 long 8-32 female end 8-32 112 male Other end Specify soft 50 durometer-yellowj firm 60 durometer-purple Each. S3OOPkgof43995 feather Ate glass cloth 7 ozsq yd est weave Fastest Filling test Finished Weight Big 3 Sq Yard Pkg Detailed Instructions 3895 Include 12 SOIltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 RC Electrics/Kopski Continued page 157 tact current flowing through such points points get hot result very high current density thereby causing deforma tion elongation otherwise round ball say ball gets longer between hot points contact motor self starting given twist will continue turn direction caused heated oval shape involved balls wanting roll away contacting housing pans turn allows new contact points balls roll position carry current become hot dis tort roll along happens smooth continuous fashion What has got Electrics Noth ing know Yet Someday maybe time remember read first right Model Aviation point Ill close month Happy Quiet Springtime heckanytime Electric Landings Everyone editor smells rat connection last blitz advanced technology might Con sider date British publication startling revelation alleged have appearedand astounding number pages issue might also consider very date issue Model Aviation RMcM responding advertisers mention read about Model Aviation RC Pylon Racing/Hager Continued page 52 lablished whereby Starter will notify contestants amount lime left such waving flag over head below waist preset time intervals engines started before end starting period Starter should check pilot confirm ready plane released flag aircraft off quickly possible approximately one-half-second intervals Starter should start stopwatch drops first flag contestants should have difficulty start ing engines Starter should flag off first aircraft starting period has elapsed whether pilots having difficulty ready aircraft must released its flag dropped ie No aircraft released flag dropped first time No 2 aircraft example does get its engine started No 3 aircraft must still wait flag dropped third time before being released aircraft blatantly released before receives its flag contestant disqualified heat aircraft damaged daring heat continues flying Starter may disqualify contestant opinion aircraft has sustained enough damage make flying unsafe Staner plans enforce recommendation contestants must notified such possible action pilots briefing situation contestant must land aircraft immediately after notifi cation face automatic disqualification contest contestant disqualified unsafe flying re ceives two cuts daring heat must pull oul race immediately after being personally notified face automatic disqualification nest heat disqaalified pilot should land aircraft until remaining aircraft heat have finished racing disqualified aircraft should flown higher altitude out way other aircraft however pilot experiencing radio problems must land immediately Starter has sole authority disqualify contes tant unsafe flying decision final Starter should flag aircraft crosses finish line its last lap Starter should stop watch first aircraft finishes serve back up Lap Counters watch Starter may disqual ify contestant lands aircraft between No 2 No 3 pylons situation pilot cuts either No 2 No 3 pylon last lap still receives flag pilot must fly another lap before officially consid ered have finished race cut last lap pilots second cut heat still disqualified receives checkered flag case photo finish end race Starter assisted Flight Recorder sole judge aircraft finished front disagreement between pilots offi cials concerning results race matter should settled immediately flight line Starter pilot feels mistake lap counting has caused him place lower should have official results can changed Lap Counter freely admits mak ing mislake pilots beat agree re sults should changed pilots disagree matter should dropped further discussion foul-up No pylon such Flag man flagging wrong aircraft light system used malfunction light offended contestant has option requesting he reflown Radio problems unless proven nol contestants fault will grounds refly Lap Counters Contest Director should select experienced workers Lap Counters should equipped stopwatches hard hats has found use cards reli able easy-to-manage system count laps Lap Counter should have cards numbered 10 plus checkered card signify Ihat heat over cards should color corresponding Lap Counters position recommended No po sition yellow No 2 green No 3 white No 4 orange card should slighlly smaller pre vious card example card No 6 should slightty smaller card No 5 helps insure card time will flipped over Lap Counters should positioned cards visible contestants heat should gin no cards showing Lap cards should always show number laps complete eg 7 showing GOLDEN EDITION WE OFFER THE BEST HERES WHY 4 days covered w/good conlinully Protesslonal mulE camera coverage Vast ediung w/complee scenes Excellent narrason & music Dynamic indoor showcase slaite display Over 75 ents-les w/full model & pilot reporla FIiRhI analysis w/fuII size counterpa86 Refleesons past masters events winners Banquet coverage w/awards & roasEn8 ceremonies ENDORSED BY SCALE MASTERS BOARD SPONSORED BY ZAP FUTABA BADGER K & B RUN TIMES APPROX 31/2 HRS TOTAL RETAIL PART 1 5995 PART 2 5495 SPECIAL ONLY 4795 / 4495 BOTH FOR ONIV 5795 SAVE 2700 YOU aea WflFII YOU YAY FORI DONT SETrLE FOR CHEAP SEMI-PROFESSIONAL COPIES GO WITH THE BEST ALL VIDEOS ON QUALITY MAXELL TAPE W/DELUXE CASES 1AnO~ OVER 1W HRS VALUED PRICED REG PR $4995 YOURS FOR ONLY $3995 BUY ANY 3 VIDEOS AT RETAIL PICK 4TH ONE FROM BELOW 1-71 FREE OTHER GREAT VIDEOS 1Airplane Funnies 30 mins3495 2Basic Count Beginners107 mins4195 31984 Scale Masters 60 miss3495 41987 Scale Masters 64 mins3995 51988 Scale Masters 90 miss2995 6Warbirds Action 80 mlns4495 7Which Way Up Aerobatim70 mins4495 ORDERING Check MO Visa/Master Card Include phone no orders 350 ShippIng add 100 per extra tape No CODs Canada res add 6% toital others add 12% toital ACADEMY OF AVIATION R & 0 PO BOX 277 l Cress IL 60429 708335-0776 Sales Final PRICES SUBJECT TO CHANGE WITHOUT NOTICE 160 Model Aviation Pwcakeet Supe Pw4 PeaiKaL 40. FREE CATALOG ji1Ti4enoeIciae
Edition: Model Aviation - 1990/04
Page Numbers: 50, 51, 156, 157, 160
HEAR THIS Electric Connection Service has some information folks greater Pitts burgh PA area active growing Electric club area called WESSthe Westmoreland Elec tric Soaring Society Ive met number folks annual KRC meet can tell fly quite variety Electrics make latter point because club name may mis lead thinking its Glider group Also WESS has excellent monthly newsletter named Watts Current lived western instead eastern Pennsylvania Id ap ply membership WESS Anyway information can contact WESS Vice President Neil Rossi 3947 Murry Highlands Circle Murrysville PA 15668 tel 1412/327-8741 WESS home least distinguished member Bob Markle Aside acting WESS President Bob RJM manufactures fine line Electric accessories RJM low David Lindsey 4440 E 117th Ave Thornton CO 80233 tel 1-303/450-0779 would like communicate modelers interested con version wet-powered designs clean Remember ECS youindividuals clubs wanting find other Electric fliers immediate area Just send info writing Ill list Im aware quite few loners Electric clubs seeking members until get go-ahead writing cant list infoin event such would de sired Ive got some latest products info share So no particular order goes RJM mentioned above introducing several new products gear box 25/40/60 co baIts Yes thats rightfor 60 folks have asked since Astro does supply price $75 can order RJM Bob Markle tells design fol lows earlier boxes 05/15 Another new product Fly/No-Fly tester simple plug-it-in box LED indicators will tell you have enough radio battery left fly safely Astro will soon add new speed control Part No 205 its long line Electric products Early word will optically coupled high-rate configuration greatest power sys tem efficiency will include brake function latter bit unusual because early plans call bank P-type MOSFETS metal oxide-semiconductor field-effect transistors Ed braking job wired such manner use energy otherwise dis sipated during braking charge battery No wont allow fly forever just few sec onds longer expect have early unit play very soon Ill keep posted 50 Model Aviation Radio Control Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 Electric Connection Service two offerings 2 Electric products info RJM Astro Leisure Hobby Lobby Concept Models 3 Errata January 90 MA Skyvolt landing gear/iron-on cloth KRC meet 4 Skyvolt questions/answers nature Skyvolt de sign 5 Comment column technical content includes high rate/frame rate info 6 An unusual motor development has NO magnets else Keith Shaw Ann Arbor Ml builds em like King Crimson flying wing shows influence Northrop XB-35 89 KRC Electric Fly Model spans 126 has 1980 sq in of area Six Leisure motors long gearbox drives turn 10 x 8 Rev-Up wide-blade props Power pack 28 Sanyo SCR Ni-Cd cells juice administered through Jomar SC4 speed control Spring Air retract system weighs 10 lb spectators loved see fly quiet motivation David particularly interested converting 40 -sized designs similarly inclined can connect him-and tell him Bob sent ya Concept Models makes kits Flee latest 56-in.span Electric power prototype weighed 6 lb 10 oz cells 14 x 6 prop flies nicely Bare bones r system weighs 53 oz Kopskis rule says Electrics power system should 50 finished weight Finally Bob has expanded line speed con trollers with/without propeller brakes motors up 60 size Plans future products clude fast chargers TX RX batteries discussing Bob Id like point Out unidentified helper launching Dave Fraz iers Sailplane photo page 90 Janu arys MA isyou guessed itBob Markle him self found out too late supply editot info caption Anyway can v Bob Markle RJM Unit #3 Sandy Hill Ru RD #6 Irwin PA 15642 Recent info Ive received part Christmas sizes 40 Hobby Lobbys ET200 Electric Sailplane kit comes completely built covered Wing span 78 power system folding prop same very successful UHU another popular Hobby Lobby Electric greeting has Leisure has made yet improvement its gearbox gears As understand latest output gear design quite thick happens dark gray color past Leisure indicated units gear ratio gear color same color ratio printed gear case story got says best Leisure gears yet info comes very reliable source bearded gentleman Ann Arbor MINo Santa Elden-Ken Electronics will have new name ginning new year will become Stone Electronics new address 1175 W 17th Ave #201 Lakewood CO 80215 tel 1-303/234-0522 folks have line five different speed controls available either kits assembled/tested versions Prices range $32 $5595 over full range Hobby Lobby men Electric ma chines made very favorable impression 89 KRC Electric Fly has recently introduced several new products include new planes gear drives motors folding props prop adaptors cones Space limitations allow full coverage nice-looking Elec tric goodies HL has However no cost can get copy new Hobby Lobby catalog #15 readallaboutit Catalog #15 includes full-color photo likeable Dave Martin bosss son holding first-place plaque plane ASW-22BE Overall Most Impressive event USA s Biggest Electric Flight Meetthe 1989 KRC Electric Fly just gotta get catalog see yourself can writing phoning Hobby Lobby 5614 Franklin Pike Circle Brentwood TN 37027 tel 1-615/373-1444 tell em sent ya Continued page 156 qord S best 50lng Spark lgnltlOfl System V Chosen Byron 0dnds T&G Mfg AM Akcraft Sqiply far its outstalulng relalilty Complete single cylinder system including throttle-coupled spark advance kit sparkYE plug battery pack charger 900 sh elded____ spark plug lead Much longer mipie life Easy hand stalls-rn kckhack 10U-12ANNI RPM rebble idle 0% power foi strokers om hutebtion aveldib LowerpsicedfuelsnonitroneededSadapukpkigleedamlVpbigcover FermuIyenpIesIOfrqL2&4stroketwioctiders zolWoductsaviokle Spaik cob qau* ded plug lead & thokig kits avald2le B&P Associates Gives Total Fligbt Line FREEDOM new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont slop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 SUPER CANOPY Giant 99 x 16 vinyl clad nylon canopy Red ow e Color combo 95lplusuPsl 1-3/8 rugged pipe frame 10 easy out steel tent stakes nylon guys Folds neat heavy duty cardboard box goes up quickly complete instructions OhioOptional name city state printed ends 0 order canopy request additional information call write OHIO SUPERSTAR PRODUCTS Inc 216-223-1950 IPm rS 11376 Ridgeway Road Kensington ohio 44427 April 1990 51 Midwest Products has recently introduced Electric Hotsthe quietest member its Hots line Tom Strykers design originally appeared construction article Au gust 89 issue MAN Kit comes complete HP 100 motor price $11495 acranarit A- aaynawx MINI-JET SERIES pl3nes feature balsa construction Designed intermediate flyer mind will accept 25 32 size engine use rear exbaust engine exceptional perfomance Get thrill jet hassles ducted fan New Airfoil Version Fixed Gear Retractablcs New Midi jet 40 45 size Airfoil ror Rctractablea New Mini-Mini Jet 049 10 size Airfoil Retracts Mini Mini Jets Mini Jets ktidi-JetE stoee 0 W8i Canopy $1500$6000Re#act $5000 Sid $2000 Wi Canopy $2000d4 $2600 Wifi Catopy Pitie shipped Post paid xnait tuta Pleuc add $4tXl shipping tundling Parrish Aircrait & Scale Models 52S SW 49th Tet Phntation Fl 33317305 581 4477 Both kits went together quickiy easily should pose no problems intermediate builder would like try out planes yourself check local hobby shop contact Ken directly K&A Models Unlim ited 5990 California Ave Long Beach CA 90805 Dont forget about International Soaring RC Scale Fun Fly Tn-Cities WA coming up May 25-27 still plenty time register annual event can get alt info Wil Byers 632 Meadows Drive East Richland WA 99352 phone 1-509/627-5224 RC Electrics/Kopski Continued page 51 Romey Bukolt man behind Concept Mod els about year ago called discuss plans develop Fleet Electric Romey spe cializes Fleets Concept Models has prod uct line wet-powered ones various sizes chatted also referred him Keith Shaw very same bearded gentleman mentioned above Electric Practitioner Su preme Ann Arbor MI seeI said wasnt Santa Some months went got set plans Romey look over mark up did Keith did too few weeks ago got photo shown herein Concept Models pro totype 40 -powered Fleet can tell kit works dont have price availability info time can get particulars Concept 2906 Grandview Blvd Madison WI 53713 Electric Scale getting very popular kit will add considerably trend brings around Astro time recent conversation Bob Boucher told hes repackaging ever-popular Astro Por terfield attractive new box also hes including gear-drive 25 giant step sense now used seeing 05s packaged ever-expanding number Electrics 25 represents whole new level trend Personally think move going very successful Porterfield has con tinuous production ever since about 1978/79 very successful model air Since has get suitable power system fly way get plane-withmotor idea popularized Goldberg Elec tra several years ago has proven very successful marketing idea witness numbers kits-with-motors now market see no reason new Porserfield wont en joy success kind Some errors crept some offerings January issue MA Id like offer some corrections First off Skyvolt article centermost photo page 32 illustrates landing gear tachment caption mentions fiberglass matting text page 143 mentions iron-on cloth reinforcement latter correct have no idea former came theres trace fiberglass either Skyvolt shop Santa Naa Editing Elves Maybe As aside guess should explain some spirit Column coming fromIm writing December 25 1989 Let expand last comtttents bit have using iron-on cloth reinforcement modeling over two decades find GUIDE TO OVER 400 AIRCRAFT MUSEUMS CROSS REFERENCE BY AIRCRAFT SEND $700 postage included TO MICHAEL SLAUGHER See MA 6-89 P110 124 E Foster Parkway Fort Wayne IN 46806-1730 1-219-744-1020 Southwest RC Flying Year round flight school Five day course $350 Learn fLy planes Send SASE complete info to 2818 Carolina NE Albuquerque NM 87110 505 881-3799 extremely easy use very effective Wont work well fiberglass eases com pound curved areas does great job places use white Bondex brand manufactured Wrights Stock #230 002 costs about $1 6/2 x 14-in piece Bondex readily avail able sewing variety stores intended clothing patch material Isis basically cloth material heat-activated adhesive side flows about Wool setting typical household clothes iron use simply cut material outline size put place want cover pa per towel bring hot iron bear towel following time instructions supplied product paper used prevent adhesive soaks its side cloth way through goo-ing up iron glue sticks like crazy balsa ply cloth cools youve got tough sembly Anyway always install such cloth reinforcements first part covering job cant speak materials, find MonoKote goes over cloth nicely case Skyvolt used piece ma terial measuring about 3 x 4/ wrapped around ply landing gear mounting plate extends up sides fuselage about % As installation aid first adhered ply plate two flaps intended go up sides held out heats way fu selage sides masking tape latter re moved course before heat applied side pieces way used hold wet-powered firewalls place same waybut Ive grown out stage now second instance glitches KRC meet article erroneously referred Bill Winters Le Crate design Heron made its appearance meet earlier years Two other minor errors also found wy article opening paragraph page 87 gives participation 110 118a bit larger last years 113 despite rain am making fine point Because size get sing very important As discussed arti cle meet growth field size closing other KRC presently considering alter natives accommodate situation statement page 188 came out plane designed meet QSPRA Formula 120 rules 1/4 scale model accepts 60120 ci engines Features Epoxy glass fuselage foam wing contnsction Dural landing gear scale landing gear dd $1500 lufl kit S175O0 ad han IMPORTED DIESELS A-MAurorabcEDMyygJi.Ah PAWfaplln 8tandrd & R/C.OIg4g Aero Marine VIntag.Sporg & Conteat Send ioo informatlom ICARLSON ENGINE IMPORTS IPhoenI AZ RADIO SOUTH U1C AUTHORIZED SERVICE CENTER Call Tony Stiliman Ken Dudley custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices 0tiIkj Featuring fast service byAI qualified people th________ ___C___ _____ latest equipment Including SPECTRUM AMA YZER Orders COD MC Prices subject change notice 9003 N Davis Hwy Pensacola FL 32514 wrong sentence Twelve fliers Out 90 responding survey indicated fly Electric meet must have heaven originally read Twelve fliers 90 responding indicated fly Electric alonethis meet must have heaven point meet 12 lon ers otherwise have no enjoy Electric Can just iritagine folkswho may never have seen Electrics other ownbeing smack midst 272 planes same field folks such around country based coming mail Electric Connection Ser vice provided So lets hear guys Several questions have asked about na ture Skyvolt design presented MA Skyvolt should considered in-between de sign Aerodynamically plane far aer obatically capable trainer configurations like Mirage Aero Lectric etc latter course should very aerobatic other hand its ElectroStreak latter design generally flies significantly hotter Skyvolt same power system way Gold Fire motor sup plied ElectroStreak kit best economy can motors Ive seen fast-moving planes Glider-types Skyvolt virtue size airfoil frontal area landing gear weight etc fast aggressive Streak with same power sys 5EN K ___Anderson sesa5 Power Only certified checks nroney orders accepted Mininrum order $1200 three packages ot4 Powerpoles tPaP0 per package $150 shipping handlingi CT residents add 75% sales tao Prices subject change notice DUALER INQUIRIEs INVITED further intOrnation dealer prices send ASE Business Curd SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 tem tamer still being acrobatically ca pable described article also very rugged has wings rubberbanded can ac commodate some bumps bangs better Its highly versatile its design know thats intended easily accept very wide range power systems Thus standpoints both versatility capability its in-between youre just grad uating trainer configurations Skyvolt may indeed best next choice youre al ready highly skilled aerobatics hot what want ElectroStreak may preferred hope clarifies point thanks have written nice words about January issue personally didnt know until quite late Good Editor gonna put stuff single issue Im glad did technical column offerings find share readers very interested such matters example past have occasion ally presented extensive motor propeller per formance data speed control performance/behav tor info charger performance info similar things necessarily appeal everyone indeed hit mark Ive received responses extensive ad ditional data and/or analysis data Some go well beyond presentation levels Ive made column recent example came FREQUENCY CONVERSIONS AMA Frequency Cormntttee Approsed stock Futaba JR radios YS engines pans Ilatori headers sod pipes Repair Heli Sen Gyros repatr informatton 904 478-6745 Steve Hageman Chief Engineer Calex Mfg Inc Steve sent extensive comment analysis computer-plotted speed control drive wave forms Steves opinion optimum range operation high-rate speed controls about 25 50 kHz Ive received other opinions ques tion Whats best rate high rate hope pursue point someday myself meantime will interesting see speed control suppliers technically inclined modelers drive frame-rate/high-rate issue raised December 1989 column remarkable new motor operates prin ciples entirely foreign classic electromagnetic motor operation discussed article April 1989 issue British publication Elec rronics Wireless World page 356 arti cle entitled Intriguing Ball-Bearing Mo tor authored Stefan Marinov motor design presented contains no mag nets no windings has no commutator no brushes consists entirely two ballbearing assemblies spaced metal rod shaft Low-voltage electric current either AC DC applied Outer races two ballbearing assemblies According article operation motor depends heat particular bear ing balls contact inner outer bearing races essentially two points conContinued page 160 April 1990 157 9 WE STOCK FUTABA JR & ACE RADIOS & ACCESS YS&OS ENGINES HATORI PIPES & HEADERS AND MUCH MORE!! NEW TOLL FREE ORDER LINE 1 -800-962-7802 orders please RV-3 Deluxe Kit Need Only Join Wing Halves e Install Tail Feathers Cover Complete Hardware Packages tocluded 88 wingspan G-38 G-62 engine sizes 17-20 lbs weight range informatmn calf write ox 299 Gonzales Texas 78629 512 672-7023 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 20 four Strokes piped 60 two strokes beautiful performer competition just showing offi balsa kit machined wood parts complete hardware package includes Plug-in Sdjustable stab parts new wing mounts Wing Span -72 inWing Area 860 sq Complete Delux KitSI 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-I TYPHOON New F3A competition Rig beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS 1495 Fiberglass cowlS 1895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokesS 1495 TAR baby 120 four strokesS 1195 Alley Kat 40 size trainer sportS 895 Gator Flea 40 size sports 595 Bobcat 40 size sport5 595 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available VS-itO OS-60$495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 l-T-6 black anodized Undrilled Drilled YS-60 OS-itO Rubber Iso-Mounts SIB diameters 112 long 8-32 female end 8-32 112 male Other end Specify soft 50 durometer-yellowj firm 60 durometer-purple Each. S3OOPkgof43995 feather Ate glass cloth 7 ozsq yd est weave Fastest Filling test Finished Weight Big 3 Sq Yard Pkg Detailed Instructions 3895 Include 12 SOIltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 RC Electrics/Kopski Continued page 157 tact current flowing through such points points get hot result very high current density thereby causing deforma tion elongation otherwise round ball say ball gets longer between hot points contact motor self starting given twist will continue turn direction caused heated oval shape involved balls wanting roll away contacting housing pans turn allows new contact points balls roll position carry current become hot dis tort roll along happens smooth continuous fashion What has got Electrics Noth ing know Yet Someday maybe time remember read first right Model Aviation point Ill close month Happy Quiet Springtime heckanytime Electric Landings Everyone editor smells rat connection last blitz advanced technology might Con sider date British publication startling revelation alleged have appearedand astounding number pages issue might also consider very date issue Model Aviation RMcM responding advertisers mention read about Model Aviation RC Pylon Racing/Hager Continued page 52 lablished whereby Starter will notify contestants amount lime left such waving flag over head below waist preset time intervals engines started before end starting period Starter should check pilot confirm ready plane released flag aircraft off quickly possible approximately one-half-second intervals Starter should start stopwatch drops first flag contestants should have difficulty start ing engines Starter should flag off first aircraft starting period has elapsed whether pilots having difficulty ready aircraft must released its flag dropped ie No aircraft released flag dropped first time No 2 aircraft example does get its engine started No 3 aircraft must still wait flag dropped third time before being released aircraft blatantly released before receives its flag contestant disqualified heat aircraft damaged daring heat continues flying Starter may disqualify contestant opinion aircraft has sustained enough damage make flying unsafe Staner plans enforce recommendation contestants must notified such possible action pilots briefing situation contestant must land aircraft immediately after notifi cation face automatic disqualification contest contestant disqualified unsafe flying re ceives two cuts daring heat must pull oul race immediately after being personally notified face automatic disqualification nest heat disqaalified pilot should land aircraft until remaining aircraft heat have finished racing disqualified aircraft should flown higher altitude out way other aircraft however pilot experiencing radio problems must land immediately Starter has sole authority disqualify contes tant unsafe flying decision final Starter should flag aircraft crosses finish line its last lap Starter should stop watch first aircraft finishes serve back up Lap Counters watch Starter may disqual ify contestant lands aircraft between No 2 No 3 pylons situation pilot cuts either No 2 No 3 pylon last lap still receives flag pilot must fly another lap before officially consid ered have finished race cut last lap pilots second cut heat still disqualified receives checkered flag case photo finish end race Starter assisted Flight Recorder sole judge aircraft finished front disagreement between pilots offi cials concerning results race matter should settled immediately flight line Starter pilot feels mistake lap counting has caused him place lower should have official results can changed Lap Counter freely admits mak ing mislake pilots beat agree re sults should changed pilots disagree matter should dropped further discussion foul-up No pylon such Flag man flagging wrong aircraft light system used malfunction light offended contestant has option requesting he reflown Radio problems unless proven nol contestants fault will grounds refly Lap Counters Contest Director should select experienced workers Lap Counters should equipped stopwatches hard hats has found use cards reli able easy-to-manage system count laps Lap Counter should have cards numbered 10 plus checkered card signify Ihat heat over cards should color corresponding Lap Counters position recommended No po sition yellow No 2 green No 3 white No 4 orange card should slighlly smaller pre vious card example card No 6 should slightty smaller card No 5 helps insure card time will flipped over Lap Counters should positioned cards visible contestants heat should gin no cards showing Lap cards should always show number laps complete eg 7 showing GOLDEN EDITION WE OFFER THE BEST HERES WHY 4 days covered w/good conlinully Protesslonal mulE camera coverage Vast ediung w/complee scenes Excellent narrason & music Dynamic indoor showcase slaite display Over 75 ents-les w/full model & pilot reporla FIiRhI analysis w/fuII size counterpa86 Refleesons past masters events winners Banquet coverage w/awards & roasEn8 ceremonies ENDORSED BY SCALE MASTERS BOARD SPONSORED BY ZAP FUTABA BADGER K & B RUN TIMES APPROX 31/2 HRS TOTAL RETAIL PART 1 5995 PART 2 5495 SPECIAL ONLY 4795 / 4495 BOTH FOR ONIV 5795 SAVE 2700 YOU aea WflFII YOU YAY FORI DONT SETrLE FOR CHEAP SEMI-PROFESSIONAL COPIES GO WITH THE BEST ALL VIDEOS ON QUALITY MAXELL TAPE W/DELUXE CASES 1AnO~ OVER 1W HRS VALUED PRICED REG PR $4995 YOURS FOR ONLY $3995 BUY ANY 3 VIDEOS AT RETAIL PICK 4TH ONE FROM BELOW 1-71 FREE OTHER GREAT VIDEOS 1Airplane Funnies 30 mins3495 2Basic Count Beginners107 mins4195 31984 Scale Masters 60 miss3495 41987 Scale Masters 64 mins3995 51988 Scale Masters 90 miss2995 6Warbirds Action 80 mlns4495 7Which Way Up Aerobatim70 mins4495 ORDERING Check MO Visa/Master Card Include phone no orders 350 ShippIng add 100 per extra tape No CODs Canada res add 6% toital others add 12% toital ACADEMY OF AVIATION R & 0 PO BOX 277 l Cress IL 60429 708335-0776 Sales Final PRICES SUBJECT TO CHANGE WITHOUT NOTICE 160 Model Aviation Pwcakeet Supe Pw4 PeaiKaL 40. FREE CATALOG ji1Ti4enoeIciae
Edition: Model Aviation - 1990/04
Page Numbers: 50, 51, 156, 157, 160
HEAR THIS Electric Connection Service has some information folks greater Pitts burgh PA area active growing Electric club area called WESSthe Westmoreland Elec tric Soaring Society Ive met number folks annual KRC meet can tell fly quite variety Electrics make latter point because club name may mis lead thinking its Glider group Also WESS has excellent monthly newsletter named Watts Current lived western instead eastern Pennsylvania Id ap ply membership WESS Anyway information can contact WESS Vice President Neil Rossi 3947 Murry Highlands Circle Murrysville PA 15668 tel 1412/327-8741 WESS home least distinguished member Bob Markle Aside acting WESS President Bob RJM manufactures fine line Electric accessories RJM low David Lindsey 4440 E 117th Ave Thornton CO 80233 tel 1-303/450-0779 would like communicate modelers interested con version wet-powered designs clean Remember ECS youindividuals clubs wanting find other Electric fliers immediate area Just send info writing Ill list Im aware quite few loners Electric clubs seeking members until get go-ahead writing cant list infoin event such would de sired Ive got some latest products info share So no particular order goes RJM mentioned above introducing several new products gear box 25/40/60 co baIts Yes thats rightfor 60 folks have asked since Astro does supply price $75 can order RJM Bob Markle tells design fol lows earlier boxes 05/15 Another new product Fly/No-Fly tester simple plug-it-in box LED indicators will tell you have enough radio battery left fly safely Astro will soon add new speed control Part No 205 its long line Electric products Early word will optically coupled high-rate configuration greatest power sys tem efficiency will include brake function latter bit unusual because early plans call bank P-type MOSFETS metal oxide-semiconductor field-effect transistors Ed braking job wired such manner use energy otherwise dis sipated during braking charge battery No wont allow fly forever just few sec onds longer expect have early unit play very soon Ill keep posted 50 Model Aviation Radio Control Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 THIS MONTHS TOPICS 1 Electric Connection Service two offerings 2 Electric products info RJM Astro Leisure Hobby Lobby Concept Models 3 Errata January 90 MA Skyvolt landing gear/iron-on cloth KRC meet 4 Skyvolt questions/answers nature Skyvolt de sign 5 Comment column technical content includes high rate/frame rate info 6 An unusual motor development has NO magnets else Keith Shaw Ann Arbor Ml builds em like King Crimson flying wing shows influence Northrop XB-35 89 KRC Electric Fly Model spans 126 has 1980 sq in of area Six Leisure motors long gearbox drives turn 10 x 8 Rev-Up wide-blade props Power pack 28 Sanyo SCR Ni-Cd cells juice administered through Jomar SC4 speed control Spring Air retract system weighs 10 lb spectators loved see fly quiet motivation David particularly interested converting 40 -sized designs similarly inclined can connect him-and tell him Bob sent ya Concept Models makes kits Flee latest 56-in.span Electric power prototype weighed 6 lb 10 oz cells 14 x 6 prop flies nicely Bare bones r system weighs 53 oz Kopskis rule says Electrics power system should 50 finished weight Finally Bob has expanded line speed con trollers with/without propeller brakes motors up 60 size Plans future products clude fast chargers TX RX batteries discussing Bob Id like point Out unidentified helper launching Dave Fraz iers Sailplane photo page 90 Janu arys MA isyou guessed itBob Markle him self found out too late supply editot info caption Anyway can v Bob Markle RJM Unit #3 Sandy Hill Ru RD #6 Irwin PA 15642 Recent info Ive received part Christmas sizes 40 Hobby Lobbys ET200 Electric Sailplane kit comes completely built covered Wing span 78 power system folding prop same very successful UHU another popular Hobby Lobby Electric greeting has Leisure has made yet improvement its gearbox gears As understand latest output gear design quite thick happens dark gray color past Leisure indicated units gear ratio gear color same color ratio printed gear case story got says best Leisure gears yet info comes very reliable source bearded gentleman Ann Arbor MINo Santa Elden-Ken Electronics will have new name ginning new year will become Stone Electronics new address 1175 W 17th Ave #201 Lakewood CO 80215 tel 1-303/234-0522 folks have line five different speed controls available either kits assembled/tested versions Prices range $32 $5595 over full range Hobby Lobby men Electric ma chines made very favorable impression 89 KRC Electric Fly has recently introduced several new products include new planes gear drives motors folding props prop adaptors cones Space limitations allow full coverage nice-looking Elec tric goodies HL has However no cost can get copy new Hobby Lobby catalog #15 readallaboutit Catalog #15 includes full-color photo likeable Dave Martin bosss son holding first-place plaque plane ASW-22BE Overall Most Impressive event USA s Biggest Electric Flight Meetthe 1989 KRC Electric Fly just gotta get catalog see yourself can writing phoning Hobby Lobby 5614 Franklin Pike Circle Brentwood TN 37027 tel 1-615/373-1444 tell em sent ya Continued page 156 qord S best 50lng Spark lgnltlOfl System V Chosen Byron 0dnds T&G Mfg AM Akcraft Sqiply far its outstalulng relalilty Complete single cylinder system including throttle-coupled spark advance kit sparkYE plug battery pack charger 900 sh elded____ spark plug lead Much longer mipie life Easy hand stalls-rn kckhack 10U-12ANNI RPM rebble idle 0% power foi strokers om hutebtion aveldib LowerpsicedfuelsnonitroneededSadapukpkigleedamlVpbigcover FermuIyenpIesIOfrqL2&4stroketwioctiders zolWoductsaviokle Spaik cob qau* ded plug lead & thokig kits avald2le B&P Associates Gives Total Fligbt Line FREEDOM new electric starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont slop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 SUPER CANOPY Giant 99 x 16 vinyl clad nylon canopy Red ow e Color combo 95lplusuPsl 1-3/8 rugged pipe frame 10 easy out steel tent stakes nylon guys Folds neat heavy duty cardboard box goes up quickly complete instructions OhioOptional name city state printed ends 0 order canopy request additional information call write OHIO SUPERSTAR PRODUCTS Inc 216-223-1950 IPm rS 11376 Ridgeway Road Kensington ohio 44427 April 1990 51 Midwest Products has recently introduced Electric Hotsthe quietest member its Hots line Tom Strykers design originally appeared construction article Au gust 89 issue MAN Kit comes complete HP 100 motor price $11495 acranarit A- aaynawx MINI-JET SERIES pl3nes feature balsa construction Designed intermediate flyer mind will accept 25 32 size engine use rear exbaust engine exceptional perfomance Get thrill jet hassles ducted fan New Airfoil Version Fixed Gear Retractablcs New Midi jet 40 45 size Airfoil ror Rctractablea New Mini-Mini Jet 049 10 size Airfoil Retracts Mini Mini Jets Mini Jets ktidi-JetE stoee 0 W8i Canopy $1500$6000Re#act $5000 Sid $2000 Wi Canopy $2000d4 $2600 Wifi Catopy Pitie shipped Post paid xnait tuta Pleuc add $4tXl shipping tundling Parrish Aircrait & Scale Models 52S SW 49th Tet Phntation Fl 33317305 581 4477 Both kits went together quickiy easily should pose no problems intermediate builder would like try out planes yourself check local hobby shop contact Ken directly K&A Models Unlim ited 5990 California Ave Long Beach CA 90805 Dont forget about International Soaring RC Scale Fun Fly Tn-Cities WA coming up May 25-27 still plenty time register annual event can get alt info Wil Byers 632 Meadows Drive East Richland WA 99352 phone 1-509/627-5224 RC Electrics/Kopski Continued page 51 Romey Bukolt man behind Concept Mod els about year ago called discuss plans develop Fleet Electric Romey spe cializes Fleets Concept Models has prod uct line wet-powered ones various sizes chatted also referred him Keith Shaw very same bearded gentleman mentioned above Electric Practitioner Su preme Ann Arbor MI seeI said wasnt Santa Some months went got set plans Romey look over mark up did Keith did too few weeks ago got photo shown herein Concept Models pro totype 40 -powered Fleet can tell kit works dont have price availability info time can get particulars Concept 2906 Grandview Blvd Madison WI 53713 Electric Scale getting very popular kit will add considerably trend brings around Astro time recent conversation Bob Boucher told hes repackaging ever-popular Astro Por terfield attractive new box also hes including gear-drive 25 giant step sense now used seeing 05s packaged ever-expanding number Electrics 25 represents whole new level trend Personally think move going very successful Porterfield has con tinuous production ever since about 1978/79 very successful model air Since has get suitable power system fly way get plane-withmotor idea popularized Goldberg Elec tra several years ago has proven very successful marketing idea witness numbers kits-with-motors now market see no reason new Porserfield wont en joy success kind Some errors crept some offerings January issue MA Id like offer some corrections First off Skyvolt article centermost photo page 32 illustrates landing gear tachment caption mentions fiberglass matting text page 143 mentions iron-on cloth reinforcement latter correct have no idea former came theres trace fiberglass either Skyvolt shop Santa Naa Editing Elves Maybe As aside guess should explain some spirit Column coming fromIm writing December 25 1989 Let expand last comtttents bit have using iron-on cloth reinforcement modeling over two decades find GUIDE TO OVER 400 AIRCRAFT MUSEUMS CROSS REFERENCE BY AIRCRAFT SEND $700 postage included TO MICHAEL SLAUGHER See MA 6-89 P110 124 E Foster Parkway Fort Wayne IN 46806-1730 1-219-744-1020 Southwest RC Flying Year round flight school Five day course $350 Learn fLy planes Send SASE complete info to 2818 Carolina NE Albuquerque NM 87110 505 881-3799 extremely easy use very effective Wont work well fiberglass eases com pound curved areas does great job places use white Bondex brand manufactured Wrights Stock #230 002 costs about $1 6/2 x 14-in piece Bondex readily avail able sewing variety stores intended clothing patch material Isis basically cloth material heat-activated adhesive side flows about Wool setting typical household clothes iron use simply cut material outline size put place want cover pa per towel bring hot iron bear towel following time instructions supplied product paper used prevent adhesive soaks its side cloth way through goo-ing up iron glue sticks like crazy balsa ply cloth cools youve got tough sembly Anyway always install such cloth reinforcements first part covering job cant speak materials, find MonoKote goes over cloth nicely case Skyvolt used piece ma terial measuring about 3 x 4/ wrapped around ply landing gear mounting plate extends up sides fuselage about % As installation aid first adhered ply plate two flaps intended go up sides held out heats way fu selage sides masking tape latter re moved course before heat applied side pieces way used hold wet-powered firewalls place same waybut Ive grown out stage now second instance glitches KRC meet article erroneously referred Bill Winters Le Crate design Heron made its appearance meet earlier years Two other minor errors also found wy article opening paragraph page 87 gives participation 110 118a bit larger last years 113 despite rain am making fine point Because size get sing very important As discussed arti cle meet growth field size closing other KRC presently considering alter natives accommodate situation statement page 188 came out plane designed meet QSPRA Formula 120 rules 1/4 scale model accepts 60120 ci engines Features Epoxy glass fuselage foam wing contnsction Dural landing gear scale landing gear dd $1500 lufl kit S175O0 ad han IMPORTED DIESELS A-MAurorabcEDMyygJi.Ah PAWfaplln 8tandrd & R/C.OIg4g Aero Marine VIntag.Sporg & Conteat Send ioo informatlom ICARLSON ENGINE IMPORTS IPhoenI AZ RADIO SOUTH U1C AUTHORIZED SERVICE CENTER Call Tony Stiliman Ken Dudley custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices 0tiIkj Featuring fast service byAI qualified people th________ ___C___ _____ latest equipment Including SPECTRUM AMA YZER Orders COD MC Prices subject change notice 9003 N Davis Hwy Pensacola FL 32514 wrong sentence Twelve fliers Out 90 responding survey indicated fly Electric meet must have heaven originally read Twelve fliers 90 responding indicated fly Electric alonethis meet must have heaven point meet 12 lon ers otherwise have no enjoy Electric Can just iritagine folkswho may never have seen Electrics other ownbeing smack midst 272 planes same field folks such around country based coming mail Electric Connection Ser vice provided So lets hear guys Several questions have asked about na ture Skyvolt design presented MA Skyvolt should considered in-between de sign Aerodynamically plane far aer obatically capable trainer configurations like Mirage Aero Lectric etc latter course should very aerobatic other hand its ElectroStreak latter design generally flies significantly hotter Skyvolt same power system way Gold Fire motor sup plied ElectroStreak kit best economy can motors Ive seen fast-moving planes Glider-types Skyvolt virtue size airfoil frontal area landing gear weight etc fast aggressive Streak with same power sys 5EN K ___Anderson sesa5 Power Only certified checks nroney orders accepted Mininrum order $1200 three packages ot4 Powerpoles tPaP0 per package $150 shipping handlingi CT residents add 75% sales tao Prices subject change notice DUALER INQUIRIEs INVITED further intOrnation dealer prices send ASE Business Curd SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 tem tamer still being acrobatically ca pable described article also very rugged has wings rubberbanded can ac commodate some bumps bangs better Its highly versatile its design know thats intended easily accept very wide range power systems Thus standpoints both versatility capability its in-between youre just grad uating trainer configurations Skyvolt may indeed best next choice youre al ready highly skilled aerobatics hot what want ElectroStreak may preferred hope clarifies point thanks have written nice words about January issue personally didnt know until quite late Good Editor gonna put stuff single issue Im glad did technical column offerings find share readers very interested such matters example past have occasion ally presented extensive motor propeller per formance data speed control performance/behav tor info charger performance info similar things necessarily appeal everyone indeed hit mark Ive received responses extensive ad ditional data and/or analysis data Some go well beyond presentation levels Ive made column recent example came FREQUENCY CONVERSIONS AMA Frequency Cormntttee Approsed stock Futaba JR radios YS engines pans Ilatori headers sod pipes Repair Heli Sen Gyros repatr informatton 904 478-6745 Steve Hageman Chief Engineer Calex Mfg Inc Steve sent extensive comment analysis computer-plotted speed control drive wave forms Steves opinion optimum range operation high-rate speed controls about 25 50 kHz Ive received other opinions ques tion Whats best rate high rate hope pursue point someday myself meantime will interesting see speed control suppliers technically inclined modelers drive frame-rate/high-rate issue raised December 1989 column remarkable new motor operates prin ciples entirely foreign classic electromagnetic motor operation discussed article April 1989 issue British publication Elec rronics Wireless World page 356 arti cle entitled Intriguing Ball-Bearing Mo tor authored Stefan Marinov motor design presented contains no mag nets no windings has no commutator no brushes consists entirely two ballbearing assemblies spaced metal rod shaft Low-voltage electric current either AC DC applied Outer races two ballbearing assemblies According article operation motor depends heat particular bear ing balls contact inner outer bearing races essentially two points conContinued page 160 April 1990 157 9 WE STOCK FUTABA JR & ACE RADIOS & ACCESS YS&OS ENGINES HATORI PIPES & HEADERS AND MUCH MORE!! NEW TOLL FREE ORDER LINE 1 -800-962-7802 orders please RV-3 Deluxe Kit Need Only Join Wing Halves e Install Tail Feathers Cover Complete Hardware Packages tocluded 88 wingspan G-38 G-62 engine sizes 17-20 lbs weight range informatmn calf write ox 299 Gonzales Texas 78629 512 672-7023 GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 20 four Strokes piped 60 two strokes beautiful performer competition just showing offi balsa kit machined wood parts complete hardware package includes Plug-in Sdjustable stab parts new wing mounts Wing Span -72 inWing Area 860 sq Complete Delux KitSI 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-I TYPHOON New F3A competition Rig beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS 1495 Fiberglass cowlS 1895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokesS 1495 TAR baby 120 four strokesS 1195 Alley Kat 40 size trainer sportS 895 Gator Flea 40 size sports 595 Bobcat 40 size sport5 595 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available VS-itO OS-60$495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 l-T-6 black anodized Undrilled Drilled YS-60 OS-itO Rubber Iso-Mounts SIB diameters 112 long 8-32 female end 8-32 112 male Other end Specify soft 50 durometer-yellowj firm 60 durometer-purple Each. S3OOPkgof43995 feather Ate glass cloth 7 ozsq yd est weave Fastest Filling test Finished Weight Big 3 Sq Yard Pkg Detailed Instructions 3895 Include 12 SOIltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 RC Electrics/Kopski Continued page 157 tact current flowing through such points points get hot result very high current density thereby causing deforma tion elongation otherwise round ball say ball gets longer between hot points contact motor self starting given twist will continue turn direction caused heated oval shape involved balls wanting roll away contacting housing pans turn allows new contact points balls roll position carry current become hot dis tort roll along happens smooth continuous fashion What has got Electrics Noth ing know Yet Someday maybe time remember read first right Model Aviation point Ill close month Happy Quiet Springtime heckanytime Electric Landings Everyone editor smells rat connection last blitz advanced technology might Con sider date British publication startling revelation alleged have appearedand astounding number pages issue might also consider very date issue Model Aviation RMcM responding advertisers mention read about Model Aviation RC Pylon Racing/Hager Continued page 52 lablished whereby Starter will notify contestants amount lime left such waving flag over head below waist preset time intervals engines started before end starting period Starter should check pilot confirm ready plane released flag aircraft off quickly possible approximately one-half-second intervals Starter should start stopwatch drops first flag contestants should have difficulty start ing engines Starter should flag off first aircraft starting period has elapsed whether pilots having difficulty ready aircraft must released its flag dropped ie No aircraft released flag dropped first time No 2 aircraft example does get its engine started No 3 aircraft must still wait flag dropped third time before being released aircraft blatantly released before receives its flag contestant disqualified heat aircraft damaged daring heat continues flying Starter may disqualify contestant opinion aircraft has sustained enough damage make flying unsafe Staner plans enforce recommendation contestants must notified such possible action pilots briefing situation contestant must land aircraft immediately after notifi cation face automatic disqualification contest contestant disqualified unsafe flying re ceives two cuts daring heat must pull oul race immediately after being personally notified face automatic disqualification nest heat disqaalified pilot should land aircraft until remaining aircraft heat have finished racing disqualified aircraft should flown higher altitude out way other aircraft however pilot experiencing radio problems must land immediately Starter has sole authority disqualify contes tant unsafe flying decision final Starter should flag aircraft crosses finish line its last lap Starter should stop watch first aircraft finishes serve back up Lap Counters watch Starter may disqual ify contestant lands aircraft between No 2 No 3 pylons situation pilot cuts either No 2 No 3 pylon last lap still receives flag pilot must fly another lap before officially consid ered have finished race cut last lap pilots second cut heat still disqualified receives checkered flag case photo finish end race Starter assisted Flight Recorder sole judge aircraft finished front disagreement between pilots offi cials concerning results race matter should settled immediately flight line Starter pilot feels mistake lap counting has caused him place lower should have official results can changed Lap Counter freely admits mak ing mislake pilots beat agree re sults should changed pilots disagree matter should dropped further discussion foul-up No pylon such Flag man flagging wrong aircraft light system used malfunction light offended contestant has option requesting he reflown Radio problems unless proven nol contestants fault will grounds refly Lap Counters Contest Director should select experienced workers Lap Counters should equipped stopwatches hard hats has found use cards reli able easy-to-manage system count laps Lap Counter should have cards numbered 10 plus checkered card signify Ihat heat over cards should color corresponding Lap Counters position recommended No po sition yellow No 2 green No 3 white No 4 orange card should slighlly smaller pre vious card example card No 6 should slightty smaller card No 5 helps insure card time will flipped over Lap Counters should positioned cards visible contestants heat should gin no cards showing Lap cards should always show number laps complete eg 7 showing GOLDEN EDITION WE OFFER THE BEST HERES WHY 4 days covered w/good conlinully Protesslonal mulE camera coverage Vast ediung w/complee scenes Excellent narrason & music Dynamic indoor showcase slaite display Over 75 ents-les w/full model & pilot reporla FIiRhI analysis w/fuII size counterpa86 Refleesons past masters events winners Banquet coverage w/awards & roasEn8 ceremonies ENDORSED BY SCALE MASTERS BOARD SPONSORED BY ZAP FUTABA BADGER K & B RUN TIMES APPROX 31/2 HRS TOTAL RETAIL PART 1 5995 PART 2 5495 SPECIAL ONLY 4795 / 4495 BOTH FOR ONIV 5795 SAVE 2700 YOU aea WflFII YOU YAY FORI DONT SETrLE FOR CHEAP SEMI-PROFESSIONAL COPIES GO WITH THE BEST ALL VIDEOS ON QUALITY MAXELL TAPE W/DELUXE CASES 1AnO~ OVER 1W HRS VALUED PRICED REG PR $4995 YOURS FOR ONLY $3995 BUY ANY 3 VIDEOS AT RETAIL PICK 4TH ONE FROM BELOW 1-71 FREE OTHER GREAT VIDEOS 1Airplane Funnies 30 mins3495 2Basic Count Beginners107 mins4195 31984 Scale Masters 60 miss3495 41987 Scale Masters 64 mins3995 51988 Scale Masters 90 miss2995 6Warbirds Action 80 mlns4495 7Which Way Up Aerobatim70 mins4495 ORDERING Check MO Visa/Master Card Include phone no orders 350 ShippIng add 100 per extra tape No CODs Canada res add 6% toital others add 12% toital ACADEMY OF AVIATION R & 0 PO BOX 277 l Cress IL 60429 708335-0776 Sales Final PRICES SUBJECT TO CHANGE WITHOUT NOTICE 160 Model Aviation Pwcakeet Supe Pw4 PeaiKaL 40. 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