Ready 1991 new year almost its bringing plethora changes Hobby Heres latest What transmitters receivers U George M Myers Acknowlegements article com piled organize thousands facts about changes hobby 1991 turned out much larger job expected Products services prices change continually Some equipment lines have proliferated others have termi nated could have bought engine what cost phone calls postage built airplane time spent collect ing data article job might have taken much longer did help provided Dave Abbe RCD Bob Aberle Jack Al brecht Airtronics Steve Helms Futaba Tom Runge Ace RC George Steiner Pete Waters KMI read commented drafts filled missing information Thanks Carl Wheeley supported development idea made space available its publication sticker stations responded re quest information thanks members several local clubs invited Frequency Coordinator District II address subject 1991 changes questions important element preparation article Speaking collectively contrib uted hope will find data compact understandable form Bet ter read now before becomes obso lete ITS 19911 WHAT DO DO NOW THE AMA EXECUTIVE Council decided effective January 1 1991 AMA Safety Code will amended require RCMA/AMA Gold stickers transmitters presented participation AMAsanctioned events Thus use Gold sticker sanctioned events has also made condition AMA insurance See MA 7/90 p 136 Col 1 Safety Code Insurance membership man ual accordance its phase-in plan AMA will sanction use 50 chan nels RC1 1 through RC6O AMAsanctioned events after January 1 1991 might believe noncontest flier can ignore Gold sticker narrow-band requirements deci sions have serious impact flying never compete will en counter people public flying sites will using radios access 50 legal channels will create new inter ferences old receivers very likely managers public flying sites will soon require narrow-band equipment 5~~~m rnrn m U way minimizing risk injury law suits reasonable options left Bring obsolete system up 1991 specifications replacing obsolete re ceiver having transmitter narrowbanded stickered Buy completely new RC system meets AMA Guidelines given AMA Membership Manual under Radio Frequency Information WHAT IT COSTS TO STAY IN THE GAME Lets assume have recent RC system generally built after 1987 transmitter narrow band receiver isnt can fly want take risk narrow-band transmitter may protect friends wideband receiver likely leave exposed interference want bring system up 1991 per formance can get sticker trans mitter 1991 receiver airplane $50 $75 through manufacturers exchange program Suppose have some old wideband equipment airplane gets regular use equipment isnt supported manufacturers exchange program can have transmitter aligned stickered also buy 1991 replacement receiverall about $100 What have some wideband equipDecember 1990 41 ment lying shelf batteries dead wires brittle plugs obsolete order mate new receiver mess must buy new pigtails switch harnesses servos re place batteries pigtails yourself might keep total cost down around $150 figure spending $300 New narrow-band transmitters narrow-band receivers can purchased $80 up depending number channels features course price does include flight batteries servos people like convenience having change servos already planes Look AMA News section magazine systems have re ported AMA having certified independent test laboratories meet better AMA Guidelines 1991 per formance look favorite maga zine catalog prices TRANSMITTERS may have transmitters dont need modificationjust sticker Manufac turers RCMA/AMA sticker stations able examine transmitter spec trum analyzer make necessary alignments affix sticker FCC permits manufacturers mod ify old transmitters ie have manufactured simple modifications can made assure narrow-band performance old transmitters making compatible AMA Guidelines 1991 Manu facturers have program modify transmitter listed end article other transmitters see below RECEIVERS no practical cost-effective way modify old receivers make compat ible new conditions problem old receivers single conversion 455 kHz IF type Because AMA must now remove protection formerly afforded Phase-In Plan risk losing odd-numbered channels 42 Model Aviation some other service single-conversion re ceivers will suffer both image 45- 46channel separation 21M 23-channel separation problems start using 50 Aircraft-only channels best solu tion problems 1991 narrowband dual-conversion receiver AMA Phase-In Plan protected obso lete receivers image 21M eight years development better receivers ongoing RC system manufacturers now have receiver exchange and/or replace ment programs listed below will provide same-brand 1991 dual-conversion receivers low cost Dual-conversion re ceivers free 21M image interfer ence concerns resist 31M better old receivers common question point Whats Dual Conversion Right hind comes question know receiver single dualconversion will skip first question answer second Look label receiver says dual-conversion isnt Some systems no longer supported manufacturers may still way keep service Replacement narrow-band dual-conversion receivers offered Ace RC Kraft Midwest RCD Ace receivers available Ace RC Ace dealers some hobby shops 50 72 75 MHz bands Kraft Midwest receiver special version RCD design provided Kraft case available 50 53 72 RCD FM receiver very narrow selective mis best receivers weve tested Various versions available match transmitters Futaba Airtronlcs others RCD AM receiver similar FM receiver casual glance will reveal entirely different parts layout receiver will match transmitters manufacturers KMi Ultra receiver shares RCD de sign available configurations cling favorite Krsft sys tems Narrow-band transmitter modules also available have module systems Mk IV Mk VII 75 MHz bands direct Kraft Mid west Inc RCD receivers offered through RCMA/AMA sticker stations hobby shops already have narrowband transmitters need narrowband receivers continue flying safely cause manufacturers have standard ized servo plugs pin assignments direction amount FM deviation several different RCD receivers 72 75 MHz bands sticker station hobby shop will have crossreference list match RCD receiver transmitter RCD platinum re ceiver designed better Gold perform better AMA-Guidelines re ceivers Over 5000 receivers already service have shown ex cellent performance AM FM PCM AM has advantage commonality Virtually AM receiver will work AM transmitter and/or servo long correct battery polarities observed few two- three-channel units compatible four- eight-channel units FM transmitter receiver types must matched servo timings vary among manufacturers FM sets tested have shown better selectivity FM sig nals comparable AM sets show AM Replacement receivers available both AM FM systems PCM sets FM sets far ad vantage still better interference rejection because computers aboard both transmitter receiver need replacement PCM receiver must get manufacturer far know Pick what need get 1991 dualconversion receiver wont have worry about 21M image MANAGING WHAT WEVE GOT People being what im portant management system will prevents simultaneous operation two transmitters channel Larry Dunnan calls JIM must continue avoid interference after everyone has narrow-band equip ment because theres much around plans devised protect ob solete receivers until narrow-band receivers could produced best thing about plans proved can control interference know seldom have five planes air time proper management easy establish maintain 31M problem three evenly spaced channel numbers used simultaneously re mains level interference felt 1991 systems has reduced system improvements reflected re vised transmitter separation recommenda tion 10 20 feet Gold stickered transmitters 1991 dual-conversion receivers will R/CMA RFCHECK AMA DATE all-Important Gold sticker its required transmitters presented partIcipation AMA-sanctioned events youll need get AMA insurance see about same level interference new 20 kHz 31M pairs RC32 hit RC3O RC3 1 example used see wideband equipment 40 kHz 31M pairs RC32 hit RC3O RC28 1991 dual-conversion receivers wont se 21M image old receiv ers left service will see lot everyone will get 1991 system over night obvious converting existing wideband systems will take time addi tion FCC allows wideband equipment sold put service until March 1 1993 Wideband equipment put service before can used indefi nitely according FCC AMA-sanctioned competition according AMA As long insist making random se lections 50 channels using together long flight line will able devise plan will permit us use mixed-quality equip ment some kind interference other options can assign groups channels flight lines separated reasonable distances will Nats procedure can make up flight line station groups separate channels 23 45 46 will never operate simultaneously can distibute flight line groups three adjacent channels never operate two adjacent channels close together third long distance away would minimize 31M Remember acquired 50 channels because interference expected some well-known linkage TV4 RC20 example 21M past Its nice know 1991 dual-conversion receivers wont have problem Several management plans given AMA Membership Manual will notice avoid 21M put adjacent channels mostly together Thats because old receiver remains service after 1990 likely see lot new 21M image some cases added worsened 31M will happen soon start using odd-numbered chan nels Therefore AMA has recommend ed plans concentrate what ex pected important near fu ture Heres plan wont find AMA Membership Manual might try con vince clublets call Controlairsto use odd channels another club Gophers field couple miles away uses chan nels will eliminate 21M except presented Gophers single-conver sion receivers PRS channels between 10 kHz away RC channels Since can assume Controlairs odd channels will have narrow-band dual-conversion systems will smile lot also will have advantages particularly comes visiting other fields flying contests Gophers probably will dig lot holes ground Whatever plan use might want paint clips ham bands paint black numbers words Ham License Required painted white have some instances people taking 02 clip 20 04 40 etc thereby causing crashes AMA specifies red flag 72 MHz Aircraftonly channels number boards desig nate narrow-band channel use hams supposed use black flag number boards narrow-band channels RC00RCO9 just minimize chance confusion Matching black clip black flag should natural peo ple Ham License Required leg end should warn off unlicensed comes number boards some people have complained too small read distance Section 22131 under Radio Frequency Informa tion membership manual specifies number board small enough avoid caus ing problems handling storage dont think prohibits larger number boards can make number board foot square thats what want WHY CHANGE ask change working equipment can point out year lose flying sites order use few remaining facilities common sense dictates RCers must able live 50 authorized channels know people will buy equipment odd-numbered channels obtain private channel will have right use So narrow-band equipment will appear flying fields Besides pub lic flying sites such parks may require narrow-band equipment way mini mizing risk lawsuits cant keep things cause world wont let us fail oc cupy channels have given Continued page 114 December 1990 43 FROM WEST COAST ENGINES FULLY ADJUSTABLE ENGINE MOUNTS -NO DRILLINGFor 35 80 Size 2 Cycle Engines INTRODUCTORY SPECIAL$1995 Extruded 6061 Aluminum Fits Most Planes Perfect Test Stand Jack Screw Clamping Positive Holding Fits Medium 4-Strokes ENGINE SALE -While LastRossi 90 Front Intake Rossi 91 Rear Intake Webra 80 Ducted Fan Royal 28 ABC Ross Collector $49500 I24 L VISA MASTERCARD DISCOVER 619 951-8349 WEST COAST ENGINES 17080 Bear Valley Rd SteD-3-243 Victorville CA 92392 $13995 $14995 $12995 $6995 continued page 110 pulses charging current measuring battery voltage very precise internal voltmeter tween pulses As battery voltage rises near maximum allowable 132 VDC pulses get shorter off time gets longer producing charge-holding rate just compen sates self-discharge An LED front panel glows steadily just like Dads charger battery contains little charge pulses battery goes charge-holding ad just potentiometer front panzl make light go Out battery fully charged just way Dad did just remembered Dads charger big rheostat could ad justed match fully charged battery voltage adjustment used mainly charge several batteries series Dad kept charger wheeled cart because big heavy clumsy CaRa auto matic 12-volt charger fits hand thanks Ralph Croaning CaRa Gates Battery Manual Both contributed much information column standard rate charger amp six- 12ampere-hour sealed wet batteries costs $4695 plus $3 P&H high-rate charger 2 25 amps winch batteries costs $5895 plus $4 P&H der CaRa Canton SD 57013 Ready 91 /Myers Continued page 43 certainly will lose other users new users will interfere obso lete RC systems keep service Any reasonable person will understand up graded equipment necessary protect investment hobby WHO DOES THE WORK work have send equipment somewhere have serviced have pass word along millions dont belong AMA since wont have opportunity read magazine Let say word favor clubs have open enrollment vite just anybody join club have opportunity exert some control over members have closed membership list have no con trol get blamed transgressions Does really matter made noise lost field flew what pro hibited airspace crashed field gone its gone have outsiders inside club have some control over Theyve got something lose benefit dues paid Two-thirds wont active club anyway according observations club offi cers everywhere main effect membership money club treasury Some money will go newsletter will read fluence will extended main effect having outside club stand have less no effect since may actively resist advice just because ex cluded following firms able test performance transmitters install RCMA/AMA Gold stickers justi fled may also undertake make neces sary alignments surveyed could find kept adding information until magazine deadline Some data probably probably have changed already Beware firms cant install RCMA/AMA sticker phony sticker no sticker can mean no AMA insurance equip ment FCC-legal Ponder LISTED IN ORDER OF RICMA/AMA STICKER NUMBERS Included brief summary ser 114 Model Aviation Airborne Electronic Systems last failsafe battery backup system gives glitch free battery backup allowing continue flying AJI switching fully electronic no relays mechanical switches fail Upon landing once transmitter turned off unit emits loud audible alarm main receiver pack discharged below safe limit system has switched backup mode using optional NiCAD backup packs recharging automatic receiver pack charged Factory Direct $3995 Call free brochure products AES 16055 Caputo Drive Unit D[j[~j an Hill CA 95037 Tel 408 779-4832 K Airborne Watchdog Model AWl -s last time really enjoyed building kit Stinson high quality hand cut kit lots vacuformed extras piece detailed Fiberglass Cowl Wire parts pre-bent complete hardware package included Kit requires 5 servos 7 flaps Wing Span 74 Wt 8-9 lbs Engine Sizes 60-1201 FS 60-90 TS Plug Wing Panel easy transporting Go ahead Spoil Yourself Deserve ltl $15900 Postage & Handling Color Cata/og nine other quality kits $300 info write Call 517-781-3000 Fax 517-781-4322 AERODROME MODELS LTD 5 Miller Rd naw Ml 48603 vices offered information comes responses telephone calls letters received before deadline Ace RC Inc 002 116 West 19th Street PO Box 511E Higginsville MO 64037 tel 1-816/584-7121 Fax 18 16/584-7766 72 MHz transmitters serviced Ace RC NoteSilver Seven AM transmitters manufactured after March 1987 left factory narrow band Pro-Line narrowband transmitter$25 1 1E6 crystal change$35 1 1E6A Ace Digital Com mander same Pro-Line Silver Seven narrow-band transmitter$15 1 1E7 crystal change$25 1 1E7A narrow-band extra RF decks$5 1 1E8 crystal change$15 1 1E8A 72 MHz narrow-band receivers offered Ace RC Model 91 dual-conversion AM re ceiver available various connectors either built-up kit Various prices $7995-$l1195 Other 27 50 53 75 MHz services also available P & H $3 Airtronics Inc 003 11 Autry Irvine CA 92718 tel 1-714/830-8769 72 MHz Transmitters serviced Airtron ics NoteAirtronics has offered transmitter receiver conversions bet ter 1991 AMA Guidelines perform ance since October 1988 Exchange pro grams available Return receiver transmitter module CS/SR/XL AM NBFM dual-conversion receiver $7495 CS/XL/Module FM NBFM dual-conversion receiver$5995 Vanguard AM NBFM dualconversion receiver$5995 Exchange 72 MHz receiver plus transmitter module 50 53 MHzone-half new price Exchange additional receiver$5995 NB dual-conversion receivers fered FM-6 92765 six-channel FM 72 MHz FM-6 92766 six-channel FM 75 MHz$8985 FM-8 92788 eight channel FM 50 MHz FM-8 92784 eight-channel FM 53 MHz FM-8 92785 eight-channel FM 72 MHz $12995 PCM-8 92988 eight-channel PCM 50 MHz PCM-8 92984 eight channel PCM 53 MHz 92985 eight channel PCM 72 MHz$18995 Vanguard PCM 92965$14995 Module Spectra Quantum Series use FM receiver Vision Series use FM PCM Other 27 50 53 & 75 MHz services offered Infinity 10 synthesized transmitter planned 50 53 72 75 MHz P & H $2 Beemer West RC Distributors Inc 005 17252 E Falcon Drive #3 Fountain Hills AZ 85269-4640 Cannon Electronics Inc 006 2828 Cochran Street Suite 281 Simi Valley CA 93065 tel 1-805/581-5061 Fax 1805/527-9114 72 MHz transmitters serviced Cannon Very tiny custom-built AM RC equipment No conversions prior 1971 1971-1979---$60 using old frequency $100 new frequency 1980-1990$60 same band $100 another band 72 MHz receivers offered Cannon Super-Micro Super-Nova Other 27 35 40 50 53 72 75 MHz systems available Call write additional information P & H $425-$975 depending items JR Service Americas 007 4105 FieldRADIAL ENGINE TFCHNOLOGIESINC TOP GUN RADIALS LOW COST-OUIET-NO VIBRATION MODEL HP Thrust MIKE OAS-120 30 160 MIKE ORS-170 40 200 Reviewed & Recommended Engine Expert STU RICHMOND Model Builder Oct90 Issue Send $100 Article & Data Sheets 7 Greenwood Lane Valhalla NY10595 T NEW PRODUCT Announcing ALL tIEW no-step infinite advance all-electronic ignition full-function high energy capacitive discharge system featuring no mechanical llnkagellf Features Include Simple installation No adjustments Small size Light weight Low battery drain Immersion proof packaging Epoxy potted coil very tough No engine modification Prices less battery spark plug information exciting new productsi December 1990 115 Stinson 108 Single cytinder --- - $10000 Twin cytnder --------- ------ $12500 Saito twins 8090130 cc $20000 Stilt 1/4s32 sparkplug $1000 Inst allation good engine --- $3000 Shipping handling 350 COD ------------ $330 stone Rd Champaign IL 61821 tel 12171355-9511 Fax 1-217/355-0058 72 MHz transmitters serviced JR Note Transmitters have narrow band since October 1985 Inspect Gold-sticker return postage them$10 Ex change program send transmitter module receiver PCM-9 non-ABC W re ceiver ABC W receiver$1 1899 Un limited 8 AM FM plus ABC W transmitter$9758 Unlimited 8 FM nonABC W receiver ABC W receiver plus retune transmitter$7699 Century 7 AM/FM ABCW FM system$8758 Apollo 5 & 7 ABC W FM system $8758 Apollo 7 FM non-ABCW re ceiver ABC W plus retune transmitter$6599 Forty percent off list price MAX 4 5 6 FM system exchange Circus 4 6 transmitter receiver cannot upgraded 72 MHz receivers offered JR singleconversion ABC W Other 27 50 53 75 MHz services offered P & H $3 Custom Electronics 009 PO Box 1332 Alta Loma CA 91701 Other Manufacturer Redundant Radio Systems Futaba Corp America 010 PO Box 19767 Irvine CA 92713-9767 tel 17 14/455-9888 72 MHz transmitter serviced Futaba Transmitter modification sticker$l0 Specinl exchange program October 1 1990 through March 31 1991 AM transmitter module FM Rl27DF five adapters$75 72 MHz narrow-band receivers offered Exchange program prices AM Ri 14H plus five adapters$35 Ri 17H plus five adapters$40 FM Rl27DF$55 Rl28DF$65 PCM R128DP$90 Other 27 50 53 72 75 MHz ser vices offered P & H Standard rates Cirrus RC Systems 011 expired 18480 Bandilier Circle Fountain Valley CA 92708 tel 1-714/963-0329 Fax 1714/962-6452 72 MHz transmitters serviced Cirrus Aero Sport Exchange program Gold-sticker transmitter exchange receiver$6495 Cirrus 900-FM/sevenchannel Cirrus RC-SJK/five-channel Cirrus RC-SJH/five-channel PCM-5 does require update P & H $5 Plus $350 COD Cox Hobbies using 128 380 West Rincon Street Corona CA 91720 tel 1800/451-0339 72 MHz transmitters serviced New Sys tems warranty service Will narrowband some old Cox transmittersCall No Continued page 151 T-Shirts $1 295pp 0 ___________Sport Flying CrashFlys hour Resistanti paid Video1J69pt $1295ppLIST$8995 1-800-264-7840 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 R/C Combat Kombat 40 member quick building extremely durable Armadillo series Made aluminum ond polypropelyne no foam can assembled engine mounted radio installed hourl NoThing extra buy provide 4 channel radio / 25-40 engine supply everything else great spots plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs take 10-12 hours longer complete Kombat 40 true winner ORDER YOURS TODAVI Trainer Version available $7495 u*f FIREIJU Nsn dli g 50th Areivertary oi birth U-CONTROL proudly announce very speofal litnited-edition kit Jim Walkers 1940 original AJ Eirebaii kit contajun U fully carved Balsa fuserlage U Balsa wing lou pans cut shape U hardwood motor utount U tpecial hardwareu decals inttructiOnt itluttrations history A-J Fireball Thts usost beautiful osodel airplunes ever creuted PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALLI POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS IN STOCK FOR IMMEDIATE DELIVERY SO IF YOU NAVE FAVORITE BIRD THAT NEEDS WING CALL OR U - ~FARFWIN0CORES I Dont trash after crash j Phone 3093423009 I Send $45000rcatalog j __________________________ U U U UUm..~...I FOAM WING CORES 55N944 306 E Simmons Galeshurg IL 61401 50th Annivertary AJ Fiteball numbered dated nigned au close et huatauly postible kitt iirtt produced 1940 oar make fOol special celirotor kitr available pet month otder ynue AJ Fitebait TODAY U3YES Enolotediooychecfor woney order foe $15550 0 MAYBE bullcarrtdecide llcoroaesd weroorenforrrrotian 0 116 Model Aviation Ready 91 /Myers Continued page 116 exchange programs offered Other 27 75 MHz service available MRC 200 Carter Drive Edison NJ 08817 tel 1-201/248-0400 As June 1991 call 1-908/248-0730 Don Boyce Service Manager Other 75 MHz systems PK-105 -106 -108 Polks/Aristocraft 017 346 Bergen Ave Jersey City NJ 07304 tel 1800/255-POLK Fax 1-201/332-0521 72 MHz transmitters serviced Aristo craft 72 MHz receivers offered Aristocraft Other No retail sales Tower Hobbies 019 PO Box 543 Champaign IL 61820 tel 1-800/6376050 Fax 1-217/356-6608 72 MHz transmitters serviced New equipment 72 MHz receivers offered New equip ment Other Most kits accessories avail able World Engines 020 8960 Rossach Road Cincinnati OH 45236 tel 1513/793-5900 Fax 1-513/793-7337 Re pair warranty service BJ Electron ics 1466 Windward Drive Mason OH 45040 tel 1-513/398-5423 72 MHz transmitters serviced World Engines Polks 720 Sticker $15 Frequency change$25 72 MHz receivers offered World En gines HP7RM72F Expert DBM crystal filter dual-conversion$6995 Other No other bands serviced P & H UPS postage cost Kraft Midwest Inc 021 115 E Main St Northville MI 48167 tel 1-313/3480085 Fax 1-313/348-4175 72 MHz transmitters serviced ex cept Cannon MRC RS Change crys tals align transmitters$35-$55 72 MHz narrow-band receivers offered KMRDC4-7A dual-conversion AM four seven channels $85 $120 depending type number channels dis counts Shares RCD design compo nents Price includes transmitter mod alignment Available various connec tors exchange packages RCD AM FM dual-conversion receiver plus tuned TX$6995 Also exclusive ser vice RCD receivers six-meters $7995 Other 27 35 40 50 53 72 75 MHz industrial services available P & H $550-$850 includes insur ance Continued page 152 Q Lets actually hear receivers NiCd battery voltage automatically I Reminds turn off receiver preventing battery damage & disappointments Cycles batteries extend life [ Alarm helps locate lost aircrsft * Q Precisely checks systems range * l Checks interference channel before fly *Thaso fowuras supported PCM Radio PROTECT YOUR IN VESTMENT AND FLY WITH COMPLETE CONFIDENCE THE GUARDIAN ANGEL protecls aircraft six different wsys Its audible expanded scale voltmeter ESV power indicator battery cycler aiscraft finder range tester interference monitor small light package effortlessly monitors RIC electronic equipment save money Guardian Angel simplest convenient way making sure receiver batteries charged Ive ever seen d airplane second time took out field ordered two says Doug Pratt uoted author several R/C related booka Works standard AM FM A/C systems Ideal tsr A/C sport scale sailplanes pattern helicopters Easily connects unused servo channel between servo receiver Optional kit adds scale-like lights WEIGHS 6 ox. DRAWS ONLY 6 lea 4X26 ABLE RATE EASY TO INSTALL TGAfll tinned leads.$3995 TGAltJl Futaba 3 conns TGA-FGl Futaba C conns.$4795 NEW! TGALKS Guardian Angel add-on red green strobe light kit $995 HOBBY DEALER OR SEND CHECK MO TO FLwsedd%aaanaocat tuCOfl ME SEE YOUR Tetera Mscrosvstems Enaineering Inc 800 729-9210 PO Box 340608 Tampa Florida 33694 SHOOT YOUR ENEMY DOWN LANIER RCs P51 Sport CAT NO 74112 THE ORIGINATORS OF ALMOST-READY-TO-FLY AIRCRAFT MADE OF PLASTIC AND FOAM Fuselage Length 45 Rec Engine Size 45-60 4 Stroke 80-90 Flying Weight 6 lbs Wing Span 63 Area 630 sq Radio Channels 4 Available favorite Hobby Dealer Replacement parts available Dealer distributor Inquiries invited Write today free color catalog PO Box 458 Oakwood Georgia 30566 Made USA 404-532-6401 December 1O 151 SPORT FREE-FLIGHT ORSMALLRC / 35 WaS Sigh Ill dotty Molar Vtrsutilt& Light Wuight * 2or3 Call Iportliot tondlo Ilos l5tis Models Cur SQUARE HOLES slots balsa wood SQUARE CUT TOOLS 5 Pc Masters Set -1/83/161/45/163/8$1698 3 Pc Builders Set -3/16 1/4 5116$ 998 See Deaier Cataioger Order donl carry Square Cot Toois call us pay cOil well pay shipping US Canada 407 254-0516 905 N Harbor C ty Blvd Melbourne FL 32935 Dealer/Distributor Inquiries Ievited Florida Res Add 9% Sales Tao Mw-Irjttm __ FN tfl2lS4 ctej Only certified checks noney orders accepted Minimum order $12 h three packages 4 Powerpotes 15350 per package 4-Si OOshippng tandllnst CT residents add 70% sales tea thiceasublect chwge estee DS*L*N INOtJIS INWIUD ho fiwiher information dealer ences send SASS BasnensCa-d SERMO% R/C SNAP CONNECTORSInc Cedar Corners Statton Box 16787 Stamford CT 06905 12031 322-6294 Radio South Inc 022 9003 N Davis Hwy Pensacola FL 32514 tel 1904/478-6745 Fax 1-904/474-9948 72 MHz transmitters serviced Ace RC Cirrus Futaba JR Kraft Pro-Line 72 MHz receivers offered Ace RC Fu taba JR stated prices RCD plus tuned TX$6995 Other Custom work competition systems Accessories Futaba JR systems P & H $350 up depending GSP Products 023 2238 Rogue River Drive Sacramento CA 95826 tel 1-916/362-1962 Fax 1-916/362-1962 72 MHz transmitters serviced Ace RC Futaba Kraft narrow-band alignment $15 crystal change$40 72 MHz narrow-band receivers offered RCD tuned transmitter $6995 P & H $5 Hitec RC USA Inc 023 9419 Abra ham Way Santee CA 92071 tel 1619/449-1112 Fax 1-619/449-1002 72 MHz transmitters serviced Hitec Including service warranty sold Polks 72 MHz narrow-band receivers offered Hitec AM FM dual-conversion receiver$6995 RCD Platinum AM FM dual-conversion receiver$6995 Re place Hitec 720 receiver Hitec Ultra series receiver$5995 Rivergate Hobby Center 101 700-A Two-Mile Parkway Goodlettsville TN 37072 tel 1-615/857-3455 72 MHz transmitters serviced Cirrus EK Futaba Hobby Lobby Pro-Line 72 MHz receivers offered Futaba Ask quote RCD$6995 match transmitter$l0 Other 27 50 53 72 75 MHz sys tems serviced Flat rates radios over 10 years old Transmitter receiver $ 1995 transmitter receiver$2495 Complete two-three channel system $2995 Complete four-six channel system$3495 Servos$6 first plus $4 additional Battery cycle repair$5 P & H $375 UPS plus $375 COD required RC Service 102 PO Box 1472 J Black Canyon Stage II 36220 North 10th Street Phoenix AZ 85092 tel 1602/582-9454 72 MHz transmitters serviced Ace Cannon Futaba Multiplex other ma jor brands Price $20 up 72 MHz receivers offered Ace Airtron ics Futaba Multiplex P & H UPS cost Artex Aircraft Supply 103 10714 South Township Road Canby OR 97013 tel 1-800/547-8901 Seville RC Hobbies 104 9818 Guil ford Road Seville OH 44273 tel 1216/769-3852 D J Electronics 105 900 Lucy Rd Howell MI 48843 tel 1-517/5462644 72 MHz transmitters serviced ex cept RS MRC Frequency changes alignments$25 AM/FM $59 PCM 72 MHz narrow-band receivers offered RCD AM FM tuned transmitter$6995 Other Bands serviced27 MHz sixmeter 75 MHz Complete service air craft car boat electronics including speed controls Futaba Jomar No vak Tekin P & H $5 $850 includes insurance Aero Models 106 Route 5 7021 Chippewa Road Medina OH 44256 tel 1-216/948-1675 72 MHz transmitters serviced major brands less eight years old except Cannon Align sticker$l0-$25 72 MHz receivers offered RCD AM FM$6995 Other Manufactures personal crystalcontrolled monitor receiver Terrys RC PFM$5995 P & H $3 UPS cost Francis S Key 107 1072 Irick Rd Mt Holly NJ 08060 tel 1-609/386-7294 Ocean County RC Service 108 212 Atlantic City Blvd Beachwood NJ 08722 tel 1-201/505-9477 72 MHz transmitters serviced ex cept MRC Radio Shack Align sticker$15-$30 crystal change $40-$50 Authorized Ace factory service representative Two-three week turn around 72 MHz receivers offered RCD AM FM$6995 Ace Model 91 AM $1O5-$1 12 Other 27 35 50 53 72 75 MHz services available P & H No charge UPS zone 1 others $4 Lons RC Service 109 2062 Rabbit Lane Phoenix NY 13135 tel 1-315/6952448 72 MHz transmitters serviced Ace RC Airtronics Futaba Kraft C series Royal 72 MHz receivers offered Ace Model 91list price RCD AM FM$7495 Futaba Airtronics receivers Other Call information P & H $1 plus UPS charges Woolitz RC 111 8996 Barco Lane Jacksonville FL 32222 Anything RC 112 W3029 Hoffman Spokane WA 99205 tel 1-509/327-4579 152 Model Aviation GLIDER RETRACTS Servo actuated glider retracts Over center up/do lock Aluminum parts made computer-controlled milling machine 6061 -T6 beautifully crafted retracts made finest materials available beat offered anywhere Made USA 1/5 SCALE 3 oz wheel 1-2/16W 4L 2H 2Ia wheel mao 1/4 SCALE TWO TO CHOOSE FROM STO FOR GLIDERS UP TO 10 LBS 52 oz wheel 2W 3-7/1BL o2/4 H 35 wheel mao HD FOR GLIDERS OVER 10 LBS 65 OZ 2W 6L o 23/4H 35 wheel mao 1/2 SCALE 88 OZ wheel 2/4W o 6L 23/aH 5 wheel mao FIVE-FOOT PUSHRODS-1/16 Music Wire casing Send stamped self-addressed envelope pricing info SCALE GLIDER COMPONENTS 7034 FERN PLACE CARLSBAD CA 92009 6191 931-1436 Made America IJI American Technology RJL Manufactures USA RJL R/C & U/C ENGINES 15 thru 61 Forster Glow & Ignition Engines FACTORY PARTS & SERVICE FOR HB Engines Cox Conquest 15 Kraft 61 Taipan 40 HGK Engines Testor/McCoy Series 21 Forster Remco Viking twin Call write fvr free information RJL Industries PO Box 5 Sierra Madre CA 91025 818 359-0016 Fun N ESC SPECIFICJ Wing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed AMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive maneuverable XLT SPECIFICAl Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust iTER CHAOS SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke fun sport pattern turn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lone Horbor City California 90710 213 549-8264 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET Dealer Inqurles Invited 72 MHz transmitters serviced Ace Aero Sport Cirrus EK Futaba Kraft Royal Tech RC Tower 72 MHz receivers offered Ace KMI RCD Inspection sticker only$5 Frequency change plug-in$30 other $40 crystals included Align AM trans mitter Futaba-FG -4NL$lO Other brands$15 except Ace Digital Commander$30 P & H cost Rons RC Service 113 5180 East Lake Road Sheffield Lake OH 44054 John Hickey 114 1624 Maple Road Hatfield PA 19440 Lance Halle 115 12644 N 28th Drive Phoenix AZ 85029 tel 1-602/9930430 Sticker services provided club meetings mall shows etc Charles D Ebringer 116 1910 Vir ginia Ave Fort Myers FL 33901 tel 1813/334-4890 Steve Whisenhunt 117 9025 OcIs Street Fort Worth TX 76108 Kraft Southeast 118 2713 Baldwin Brook Drive Montgomery AL 36116 John Hill RC Squadron Inc 119 Continued page 154 2-42CD QUADRA 41400 / 253CI 29HP / 4OLBS SPRING STARTER ALUMINUM MOUNT MU FFLER PROPS PLANS SUPERTANKS MUFFLERS FULL LINE QUADRA PARTS & ACCESSORIES SEND $100 FOR COMPLETE CATALOG U S QUADRA RT 1 NEODESHA KS 66757 316 325-2821 FAX 325-2222 SHIPPING & HANDLING UPS Ground Continental US $495 UPS Air & Parcel Post $495 plus 10% Subtotal Continental US UPS Next Day Air $1400 plus $100 per lb Shipment total 000 add $395 Foreign Orders Parcel Post Air $495 Subtotal US Mail $495 plus 10% Subtotal December 1990 153 IULTIMATESPORT RC 255 Sast Ashtond/PO Box 727/Soda 5prlngs Idaho 83276 U NOR-RAY PRODUCTS INC 5008 SAND BEACH RD / WICHITA FALLS TX 76310 817-692-4475 Span 104 Length 76 1575 ne ST 2500-3000 Equiv. Cowling Precision Cut Foam Fuselage & Wings py tips Scale Landing Gear 16-17 Lbs Video Available Intro Price $17O _____________ Reg 19600 Visa-Mastercard lly Aerobatic Very Stable 1/4 Scale Kit Zlin 526 AS Akrobat Special Designed Modeler Modelers Cuts Both Sides Same Time Easily Cuts Straight & Tapered Wing Panels Available 30 40 50 60 Still Only $87 $3OO S&H Requires 0-24 V Power Supply 400 5&H Visa-Mastercard Video Available Send $2Y0 information fine pr6ducts HANDS OFF CUT TWO o & MODEL BUILDING 7ERVICE RAOO CONTROL PRODUCTS carry full line Byron Originals Bob Perkerson Tom Cook Bob Violet products COD Orders Accepted 7 18 983-9735 128 WATCHOGUS ROAD * STATEN 5LAC 0314 PO Box 313 Chelmsford MA 01824 KIlL Control Systems 121 8 Wetmore Drive Denville NJ 07834 tel 1-201/6277070 72 MHz transmitters serviced Futaba Kraft other major brands Sticker $5 Align 1976 later Kraft module Futaba G$2000 72 MHz receivers offered Kraft KMRDC4-7A$85 $115 RCD AM FM$6985 Other 27 50 53 75 MHz P & H UPS cost Saud RC Service 122 309 Laurelwood Road #1 Santa Clara CA 95054 tel 1-408/988-1214 1-408/281-1549 Fax 1-408/988-1345 72 MHz transmitters serviced ex cept MRC RS Kraft Alignment $25-$50 depending work 72 MHz receivers offered RCD receivers$6995 Other 27 50 53 72 75 MHz ser vice available P & H $550-$850 including insur ance S Radio Controlled Devices Inc RCD using Sticker Station 122 1780 East Chase Aye El Cajon CA 92020-8304 tel 1-619/447-6146 Fax 1-619/447-6375 72 MHz transmitters serviced None ap plicable time Manufactures dualconversion narrow-band AM FM re ceivers 72 MHz narrow-band receivers offered through hobby shops sticker stations RCD Platinum NBAM NBFM dual-conversion receivers$6995 fit Ace RC Airtronics Acoms Cannon Cirrus Futaba Kraft JR Circus Polks Aristo craft Tower Hobbies World Engines 75 MHz receiver offered through hobby shops sticker stations RCD Platinum NBAM NBFM receiver $6995 Als Hobby 123 10733 Gulf Freeway Houston TX 77034 tel 1-713/944-0607 Galaxy Science Hobby Center 124 756 Northland Mall Appleton WI 54914 tel 1-414/730-9220 72 MHz transmitters serviced ex cept MRC $40-$50 72 MHz receivers offered RCD AM FM receiver$6995 Alrtronics Fu taba JR Kyosho manufacturers prices Other 27 75 MHz bands serviced P & H $5-$9 UPS Joe Dumond/Kraft Greater Southwest 125 2501 North Josey Lane Suite 118 Carroliton TX 75006 tel 1-214/2425588 72 MHz transmitters serviced major brands Align tune transmitter sticker$ 1995 Align tune receiver transmitter sticker$25 Fre quency change$25 plus crystals 72 MHz receivers offered RCD dualconversion AM FM receiver$6995 Kraft KMRDC4-7 Dual-Conversion AM $85-$l 10 Other 27 50 53 72 75 MHz ser vices available P & H Actual cost shipping plus surance Southern Radio Control Inc 126 2378 Linwood Ave Naples FL 33962 1813/775-1554 72 MHz transmitters serviced Ace Cir rus Futaba AM FM JR 154 Model Aviation World Engines$25-$35 72 MHz NB receivers offered RCD types $6995 Other 27 50 53 72 75 MHz com plete RC service Speed controls chargers repaired P & H $5-$lO Tim Abrens/Aero Electronics 127 Route 6 Box 54J Austin TX 78737 72 MHz transmitters serviced Ace RC Futaba FM sticker$10 AM conversion $15 Alignment plus crystals$40-$5O Other 27 50 75 MHz bands ser viced Custom applications Ni-Cd peak detector chargers P & H $6-$9 Authorized RC Service 128 327 South Stage Coach Lane Fallbrook CA 92028 tel 1-601/728-0440 Open Wed nesday Thursday Friday Saturday 10 am-230 pm 72 MHz transmitters serviced Ace Air tronics Cannon Cox Futaba Hobby Shack Kraft Pro-Line others 72 MHz receivers offered RCD $6995 plus crystal$695 Ace$75$115 P & H $5-$8 Bill Slayton 129 1005 Phillips Drive Dumas TX 79029 E L Lltchfield 130 4707 Woodside Manor Tampa Fl 33624 tel 1-813/8785382 Peter Calvagna 131 1092 Becker School Rd Freeport IL 61032 Thomas Albrlght 132 7303 Stony Hill Rd Wake Forest NC 27587 Krumpler/Irvine Continued page 50 Krumpler threatening end up nose heavy put motor battery aft end hatch Two Y6-sq strips glued bottom hatch spac ing equal width power pack pack rested between Next wire yoke glued rear hatch angled dowel added forward end battery placed between wood strips held place #64 rubberband stretched between yoke dowel first time have used technique works well shall use again makes battery access easy hatch itself held #32 rubberband looped over hatch forward wing dowels Its crude effec tive going use MCR 4A re ceiver add cooling scoops sides nose top hatch will help keep receivers MOSFETs metal oxide-semiconductor field-effect transis torsEd cool efficient kept way Servos mounted far back possi ble put cross sheet /16 below bat tery pack placed receiver initially midsized FMlO7N its battery pack 5R300 mAh between lower wing speed controller Sommerauer Mk 3 25-amp 6- 14-cell unit under motor current-limiting de sign installed fuse under cowling anyway first saw particular arrangement issue newsletter Electric Model Flyers Southern Ontario EMF SO Two Sermos connector housings glued together piece /16 ply tween two small pieces /32 ply AEROMODEL GIANT SHARK ARC PRE-BUILT 0 SHARK $21495 SEE YOUR HOBBY DEALER EIRST SEND STAMPED #10 ENVELOPE POR INFO KINGS WAY RIG HOBBY SUPPLY 5559 RICHMOND HOUSTON TX 77056 DEALERS ONLY 1-800-621-7783 December 1990 155