RADIO CONTROL ELECTRICS THIS MONTHS ECS little different Reader Donald Knight 1765 Ala Moana Apt 1091 Honolulu HI 96815 very much interested CL Electrics has experimenting arena particular Donald interested flying smaller models indoors small outdoor areas having available reference hes pursued idea running power up lines best could devise Donald asking written reference subject would interested reader contact anyone has same interests OK folks lets show em ECS really workseven challenging topic such unusual creative Electric application recent letter Ken Rusnok PO Box 4643 Fayetteville AR 72702 updated MAs reader response PC program hes offering program allows evaluation motor/propeller choices available free send formatted disk disk mailer first discussed December 92 column later June 93 November 93 columns certainly have shown heavily computer-aided Electric aeromodeling because Ken now tells hes up 65 disk requests phenomenal level interest shows just seriously columns readers Electrics Ken has request Hes very much interested hearing back regarding well program worked get suggestions may have Hed really like share actual results him Ken asking unselfish way wants upgrade program time goes along input can help him fact has great plans program such adding mouse control pull-down menus disk files/handling etc Since Ken generous first place lets return kindness some feedback him tell him Bob made ya Recent columns have presented several discussions REVOLT design readers have inquired about availability plans As result rather high interest level Ive some plan sets printed available cost $6 two sheets plus mailing envelope postage sorry no mailing tubes fact Ive already sent out sets copy like blueprint black ink text may see REVOLT MA construction article wont appear quite some time meantime scratchbuilders just cant wait can help out As aside some readers have confused Skyvolt MA 1/90 REVOLT designs rather different Skyvolt smaller two about 400 square inches semisymmetrical section designed four-channel aerobatic flight experienced pilots REVOLT 600 square-inch flat bottom section deep cabin sportltrainer configurationmuch pussycat air REVOLTs continues serve telemetry vehicle As write late October Ive just successful applying telemetry monitor inflight motor voltage motor current Ive few flights plan much REVOLT IN-FLIGHT MOTOR CURRENT DATA 40 I111 2oI 34 0810 IPAflRE REVOLT FLIGHT POWER PROFILE Ij 4004 1-I I I 0[ 01234 0010 MXMLrl3s REVOLT INFLIGHT MOTOR VOLTAGE DATA F kL1 t3I II 01234 0010 IPJTES - =U AI - ~kI Motor input power throughout flight Intent cruise majority flight Effects lift shown 51A 8 minutes winter daylight weather allow Meanwhile take close look three graphs motor voltage motor current graphs reproductions onfield live data acquisition third graph motor power calculated result Beginning time zero short-duration low-amplitude rise graphs about minute represents brief motor test carto verify telemetry operation before proceeding flightline steep rise about 2/3 minute represents full-throttle takeoff over 450 watts peak expenditure plane quickly grabs altitude back off power 100 Model Aviation htecs Data Logger allows acquisition storage printing battery charge/ discharge data seek attain level flight cruiseAirborne telemetry system described condition mean Im trying just Januarys text Weighs less two maintain altitudeno no lessfrom ounces built 2% x 3% board about 11/2 8 minutes graph Incidentally power system direct drive cobalt 25 14 14 SCRs speed control manufacturers new design Im trying out air during flight bit turbulent fact some widespread buoyancy beginning about 5 1/2-minute mark time plane began climb slowly indicating some lift reduced throttle just maintain cruise condition evident graphs Keep eyes highlfast flights Beepo audible timekeeper $2995 Z Tron 171 Arundel Rd Paramus NJ 07652 Just after 8 minutes decided go full power battery lasted little over minute under conditions powered down landed just before ten-minute mark small spike just before 31/2 minutes very large spike end flight data link glitches can disregarded may wondering voltage current data stored numerically disk well displayed live PC screen power Continued page 119 March 1994 101 John Chapis P-40 cobalt 05 eight cells Plans Connies Copies Route 1 Box 209C Seaford DE 19973 Renee Torrito 87-inch-span Sigma Northern Connecticut Electric Fun-Fly FAI 15 SR ilOOs l2x8folder go ahead choose Centurion series landing gear 60 120 size model will handle type field fly fromgrass pavement rough smooth Just check standard features * functional stainless oleo struts & torque links * positive up/down lock using our1s piston * extruded aluminum body & stainless cam support * four lower strut configurations Plus * 30 day refund * 1 year warranty * total parts service * wire replacement struts available Prices starting $14995 plus P&H send $200 complete catalog CENTURY JET MODELS INCA *1 FIf__ ~NIWE Retracts ModeLs & Accessories 8305 Regency Woods Way Louisville KY 40220 4 502 491-4114 4 FAX 502 491-4656 RC Electrics/Kopski Continued page 101 plot result loading numeric data spreadsheet program multiplying voltage current numbers together yield watts three curves can plotted spreadsheet program Now long ago far away Model Aviation Electric series 9/83 7/84 offered some rules thumb Electrics Among empiricism Power Cruise dead air ht Pounds x Wing Loading Oz/Sq Ft REVOLT weighs 77 ounces has 600 square inches area predicted cruise power requirement 89 watts Look power curve during cruise phase remember air turbulent also exhibited lift ie dead air notice average power during period too far prediction can hardly wait try again dead air Clearly just beginning feel threshold benefits telemetry resource SCRC Cell great interest readers because promises significantly extend flight times over familiar SCRs Ive some very disappointing experiences cell type graphically reported August 93 column also reported some much better results January 94 column SCRC pack loaned RC Report columnist John Mountjoy Since written friend John has loaned yet another pack SCRCs evaluate another supplier pack performed almost exactly first much better own first experience John got last seven cell packmade individually tested cellsat very reasonable price $3081 ping Continued page 122 fIve minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded supertough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 1Fits FUTABA S28/S 128 S38/S 138 S48/S148 Servos set 4$2595 C-2As above set 1$695 C3Fits AIRTRONICS 94102 Servos set 4$2595 -4 As above set 1$695 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 114 692-1393 Info Only california Residents Add 775% sales Tax 800 845-8978 Orders Only VISA MASTERCARD Accepted March1994 119 tl TUIUO LII Ud IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1 00 CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3 1 12 $3995 kit $6995 80% ARE &H Span 48 19 45 ht 2/ 31/2 lbs Radio 4 ch ocile trainer Over 40 loops per mm unlimited rolls Incredible maneuverability q3 Orders Call 1-800-645-KITS Fo no mat cell eea448-1122 GENERIX 5520 Tomorrows Kits Affordable Priceal Write Free Catalog Add $500 COD Custom Kit Cutters o Plans Anyone Elses WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATFERED OR JUST LFITEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reaxonable pricex Whether choose quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 27625 MIN EPOXY Soz596 276312 MIN EPOXY Soz596 276430 MIN EPOXY Soz596 27595 MtN EPOXY 9oz749 276015 MtN EPOXY 9oz749 276t30 MIN EPOXY 9oz749 Y marketing P051-CURE since 1984 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available POSI-CURE products specially formulated very best avaisbie raw materials use no second grade stock warehouse inventory stored refriger ated maintain very best quality possible Lots imitators good POSI-CURE modelers choice 2752 P051-CURE THIN 2oz 539 2753 POSI-CURE GAP-FILLING 2oz. 539 2754 POSI-CIJRE THIN Ioz 349 2755 POSI-CURE GAP FILLING loz 2756 INSTA-SET SPRAY 2oz 349 2757 INSTA-SET REFILL IOoz 796 2758 UN-CURE DEBONDER Ioz 296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CORDER 408 DEALER Iksu 4338 AuIn Btvd. Island Park NY 11558 Tel 516/431-4127 516/594-9881 FEATURING UTEWEIGHT EMT CONDUIT TUBING & QUICK LOCK SUP ON FITTINGS NO TOOLS -S F1CLtJ51 I3WPI BxlO$96$130I 10x10$100$136I BREAKDOWN MODEL Fits In Cars& Can Shipped UPS Add Amounts Below Unit Price BxlO & lOxlO Flat 540 3/4 & $46 1 Bxl0 & lOxlO Peaked S35 314 & $46 P 10x20 Flat S64 3/4 & $73 P 10x20 Peaked 554 314 & $62 P F1NCLtDE I3/4l 8510$80SIlO lOalO$85$115 P3JP3EP41FCF3 ~yT 3/4-600 3/4400 34 650 3/4-400 3/4-600 3/4650 3/4750 P-800l8O01 9001 5001 800P900 P1000 P40 3/4 650 1900 P-30 CLASS FREE FLIGHT MODEL KIT $ 3395 POSTPAID $7 PSF 3/4-750 l-l000 FOOT PAD 3/4-6 50 P780 F03 3/4 6 00 P800 Hawk P-30 BY JOHN ODWYER WINNING SINCE 1982 REDI-CUT RIBS PREFORMED TUBE MFG BY MODEL AIRCRAFT LABS ItS LEE STREET IRVING TEXAS 75060 FOL 3/4-600 I-800 BUNGlE BALL 6 40 WE MAMJFAC1URE & STOOC SEVER AL OThER Se5TEi15 & HAVE FUI LHE OF ACCESEORIES ALL wiTh ThE VR400R #4 MW CALL FAX OR MAL US TO PLACE YOUR ORDER OR TO RECEWE YOUR FREE CATALOG SHIPPINGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee RC ElectricslKopski Continued page 119 handling B & T RC Products 2905 Guess Rd Suite 1 Durham NC 27705 Tel 919 471-2060 cell label indicating measured capacity know what youre getting read 330 numerical result based measurement methodology used car folks represents number seconds cell supported 20 amp load B & T will supply catalog/price list other batteries request just ordered some B & T SCRC packs own Thanks again friend John hes helped now perhaps well Bob Markle RJM Systems supplier Electric goodies including speed controls on/off controls wrote tell some recent changes Bob has just moved business new location some disruption normal service some delay filling existing orders Beyond however now looks like some orders never made Bob mail-forwarding process Bob acknowledges some inprocess customer paperwork got misplaced leaving him unable communicate persons youve some disconnect RiM please get touch Bob again RIM Systems 10117 Washington Ave North Huntingdon PA 15642 Tel 412 864-6123 November 93 column described accumulated experience SR Smart Charger indicated upgrade works SR now notifying registered owners upgrades availablity fact Ive just done factory SR now offers Smart Charger two versions Continued page 127 122 Model Aviation UPS 7 DAILY P41 3/4-600 l-900 POP UP CANOPIES $29900 lOxlO LIGHTWEIGHT $39900 lOxlO HEAVWVEIGHT Sets Up Less 30 Seconds No T00la Requwed Other Sizes 8x8 10x15 10x20 SAMS MODELS England NEW Scale Free FlIght Kits WIDGEON WESTLAND WIDGEON 241/4 $1495 also available Hawker Super Fury 211/2$2195 DH Chipmunk 2$1495 add $7 far airmail SAMS Chapel Sandon Buntingford HertS SG9 OQJ England GASPARIN C02 Motora now SAMS Note US Checks & Stamps valid UK VISA & Mastercard accepted 5-bills II Giants Help PromoteI HIGNon-CompetitiveI Al,, IMAA membership includes quarterly magazine High Flight MEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC I Name _________________________________________ Phone ___________________________ 5rt ______________________________________ P0 Box/Route Box ________________ City _______________________State/Province ________________Zip _________________ I IMAA __________AMA Number ____________MAAC __________Chapter __________ L TO IMAA Secretaiy DONE VINEYARD 205 HilIdolo Road na KS 67401 m lectricslKopski Continued page 122 original Standard version newer Deluxe model prices $29995 $34995 respectively plus $7 shipping handling separatelyavailable upgrade converts Standard Deluxe level can added time upgrade material available directly user $50 hipping handling factory installation $70 mong other things upgrade includes new panel overlay selfadhesive plate must attached exactly first time nervous owners may well opt factory installation includes complete going-over alignment Deluxe Smart Charger adds several features Standard version including ability charge up 36 cells instead 28 also adds OverTemp Charge Inhibit function assesses battery temperature before commence charging warns ahead time BEEP out its too hot start point have option setting charge rate will want charger will automatically determine pack has cooled sufficiently self-start charge chosen value Deluxe version also has Expanded Scale Voltmeter function designed determine charge remaining receiver transmitter packs test load current select determine its safe fly charger can safely fast-charge four-cell receiver packs Deluxe can also charge fivecell eight-cell transmitter packs Deluxe unit includes userselectable Low Voltage Warning level source fixed Standard version help further insure theres enough charge left car battery get home after happy Electric flying course both Standard Deluxe Chargers still include familiar features adjustable charge current up 5 amps excellent working peak detection system pack temperature monitor during charge safety maximum charge time set safety precision adjustable constant current cycling digital current meter reverse polarity protection smart cooling system internal fan runs needed etc under microprocessor control Both models employ temperature probe monitor battery temperature Except probe charger connections via Sermos connectors de facto connector standard US Electric scene Ive got em everything aspect Smart Charger really like works just super road Ive routinely charging way field Im ready fly get Implicit fact charger has functioning unaffected normal carbattery voltage variation occurs traveling whether steady speed highway stop-and-go traffic situations really appreciate ability effect increases time fly like charger much Im now looking see can fit second Smart Charger crowded van think Im going remove something else just make room Cold-weather flying relatively easy Electrics Ive flown near-zero conditions years no problems first flight first charge really day may below normal evidenced both flight power duration true colder packs such stored colder parts March 1994 127 Obechi Large Sheets Please cali 509-548-5201 send SASE 12306 Bergstrasse Leavenworth WA 98826 Rubber ft Engine Power Free Flight Diepley Control Line Electric Power RIC Airplenes new Illustrated 32 page tabloId else cetalog US ft Cenade *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanadale PA 19448 215- 3U4770 DISCOVER ELECTRIC RTP FLYING Catalog including Ballards imports $1 SKONK WORKS 1890 Foresfdale Ave Beavercreek OH 45432 513 429-2411 LOW WING PREDATOR $3995 &H Span 48 25 45 ht 2/e 31/2 lbs. Fully accrobatic fun fly t competition Will roll & turn w/in its own space qa Orders Call 1-800-645-KITS informetlon call eoe-445-1122 F 0 8cc 771 GENERIX East Windsor NJ 08525 Tomorrows Kits Affordable Priceaf Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE
Edition: Model Aviation - 1994/03
Page Numbers: 100, 101, 119, 122, 127, 128
RADIO CONTROL ELECTRICS THIS MONTHS ECS little different Reader Donald Knight 1765 Ala Moana Apt 1091 Honolulu HI 96815 very much interested CL Electrics has experimenting arena particular Donald interested flying smaller models indoors small outdoor areas having available reference hes pursued idea running power up lines best could devise Donald asking written reference subject would interested reader contact anyone has same interests OK folks lets show em ECS really workseven challenging topic such unusual creative Electric application recent letter Ken Rusnok PO Box 4643 Fayetteville AR 72702 updated MAs reader response PC program hes offering program allows evaluation motor/propeller choices available free send formatted disk disk mailer first discussed December 92 column later June 93 November 93 columns certainly have shown heavily computer-aided Electric aeromodeling because Ken now tells hes up 65 disk requests phenomenal level interest shows just seriously columns readers Electrics Ken has request Hes very much interested hearing back regarding well program worked get suggestions may have Hed really like share actual results him Ken asking unselfish way wants upgrade program time goes along input can help him fact has great plans program such adding mouse control pull-down menus disk files/handling etc Since Ken generous first place lets return kindness some feedback him tell him Bob made ya Recent columns have presented several discussions REVOLT design readers have inquired about availability plans As result rather high interest level Ive some plan sets printed available cost $6 two sheets plus mailing envelope postage sorry no mailing tubes fact Ive already sent out sets copy like blueprint black ink text may see REVOLT MA construction article wont appear quite some time meantime scratchbuilders just cant wait can help out As aside some readers have confused Skyvolt MA 1/90 REVOLT designs rather different Skyvolt smaller two about 400 square inches semisymmetrical section designed four-channel aerobatic flight experienced pilots REVOLT 600 square-inch flat bottom section deep cabin sportltrainer configurationmuch pussycat air REVOLTs continues serve telemetry vehicle As write late October Ive just successful applying telemetry monitor inflight motor voltage motor current Ive few flights plan much REVOLT IN-FLIGHT MOTOR CURRENT DATA 40 I111 2oI 34 0810 IPAflRE REVOLT FLIGHT POWER PROFILE Ij 4004 1-I I I 0[ 01234 0010 MXMLrl3s REVOLT INFLIGHT MOTOR VOLTAGE DATA F kL1 t3I II 01234 0010 IPJTES - =U AI - ~kI Motor input power throughout flight Intent cruise majority flight Effects lift shown 51A 8 minutes winter daylight weather allow Meanwhile take close look three graphs motor voltage motor current graphs reproductions onfield live data acquisition third graph motor power calculated result Beginning time zero short-duration low-amplitude rise graphs about minute represents brief motor test carto verify telemetry operation before proceeding flightline steep rise about 2/3 minute represents full-throttle takeoff over 450 watts peak expenditure plane quickly grabs altitude back off power 100 Model Aviation htecs Data Logger allows acquisition storage printing battery charge/ discharge data seek attain level flight cruiseAirborne telemetry system described condition mean Im trying just Januarys text Weighs less two maintain altitudeno no lessfrom ounces built 2% x 3% board about 11/2 8 minutes graph Incidentally power system direct drive cobalt 25 14 14 SCRs speed control manufacturers new design Im trying out air during flight bit turbulent fact some widespread buoyancy beginning about 5 1/2-minute mark time plane began climb slowly indicating some lift reduced throttle just maintain cruise condition evident graphs Keep eyes highlfast flights Beepo audible timekeeper $2995 Z Tron 171 Arundel Rd Paramus NJ 07652 Just after 8 minutes decided go full power battery lasted little over minute under conditions powered down landed just before ten-minute mark small spike just before 31/2 minutes very large spike end flight data link glitches can disregarded may wondering voltage current data stored numerically disk well displayed live PC screen power Continued page 119 March 1994 101 John Chapis P-40 cobalt 05 eight cells Plans Connies Copies Route 1 Box 209C Seaford DE 19973 Renee Torrito 87-inch-span Sigma Northern Connecticut Electric Fun-Fly FAI 15 SR ilOOs l2x8folder go ahead choose Centurion series landing gear 60 120 size model will handle type field fly fromgrass pavement rough smooth Just check standard features * functional stainless oleo struts & torque links * positive up/down lock using our1s piston * extruded aluminum body & stainless cam support * four lower strut configurations Plus * 30 day refund * 1 year warranty * total parts service * wire replacement struts available Prices starting $14995 plus P&H send $200 complete catalog CENTURY JET MODELS INCA *1 FIf__ ~NIWE Retracts ModeLs & Accessories 8305 Regency Woods Way Louisville KY 40220 4 502 491-4114 4 FAX 502 491-4656 RC Electrics/Kopski Continued page 101 plot result loading numeric data spreadsheet program multiplying voltage current numbers together yield watts three curves can plotted spreadsheet program Now long ago far away Model Aviation Electric series 9/83 7/84 offered some rules thumb Electrics Among empiricism Power Cruise dead air ht Pounds x Wing Loading Oz/Sq Ft REVOLT weighs 77 ounces has 600 square inches area predicted cruise power requirement 89 watts Look power curve during cruise phase remember air turbulent also exhibited lift ie dead air notice average power during period too far prediction can hardly wait try again dead air Clearly just beginning feel threshold benefits telemetry resource SCRC Cell great interest readers because promises significantly extend flight times over familiar SCRs Ive some very disappointing experiences cell type graphically reported August 93 column also reported some much better results January 94 column SCRC pack loaned RC Report columnist John Mountjoy Since written friend John has loaned yet another pack SCRCs evaluate another supplier pack performed almost exactly first much better own first experience John got last seven cell packmade individually tested cellsat very reasonable price $3081 ping Continued page 122 fIve minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded supertough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 1Fits FUTABA S28/S 128 S38/S 138 S48/S148 Servos set 4$2595 C-2As above set 1$695 C3Fits AIRTRONICS 94102 Servos set 4$2595 -4 As above set 1$695 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 114 692-1393 Info Only california Residents Add 775% sales Tax 800 845-8978 Orders Only VISA MASTERCARD Accepted March1994 119 tl TUIUO LII Ud IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1 00 CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3 1 12 $3995 kit $6995 80% ARE &H Span 48 19 45 ht 2/ 31/2 lbs Radio 4 ch ocile trainer Over 40 loops per mm unlimited rolls Incredible maneuverability q3 Orders Call 1-800-645-KITS Fo no mat cell eea448-1122 GENERIX 5520 Tomorrows Kits Affordable Priceal Write Free Catalog Add $500 COD Custom Kit Cutters o Plans Anyone Elses WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATFERED OR JUST LFITEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reaxonable pricex Whether choose quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 27625 MIN EPOXY Soz596 276312 MIN EPOXY Soz596 276430 MIN EPOXY Soz596 27595 MtN EPOXY 9oz749 276015 MtN EPOXY 9oz749 276t30 MIN EPOXY 9oz749 Y marketing P051-CURE since 1984 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available POSI-CURE products specially formulated very best avaisbie raw materials use no second grade stock warehouse inventory stored refriger ated maintain very best quality possible Lots imitators good POSI-CURE modelers choice 2752 P051-CURE THIN 2oz 539 2753 POSI-CURE GAP-FILLING 2oz. 539 2754 POSI-CIJRE THIN Ioz 349 2755 POSI-CURE GAP FILLING loz 2756 INSTA-SET SPRAY 2oz 349 2757 INSTA-SET REFILL IOoz 796 2758 UN-CURE DEBONDER Ioz 296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CORDER 408 DEALER Iksu 4338 AuIn Btvd. Island Park NY 11558 Tel 516/431-4127 516/594-9881 FEATURING UTEWEIGHT EMT CONDUIT TUBING & QUICK LOCK SUP ON FITTINGS NO TOOLS -S F1CLtJ51 I3WPI BxlO$96$130I 10x10$100$136I BREAKDOWN MODEL Fits In Cars& Can Shipped UPS Add Amounts Below Unit Price BxlO & lOxlO Flat 540 3/4 & $46 1 Bxl0 & lOxlO Peaked S35 314 & $46 P 10x20 Flat S64 3/4 & $73 P 10x20 Peaked 554 314 & $62 P F1NCLtDE I3/4l 8510$80SIlO lOalO$85$115 P3JP3EP41FCF3 ~yT 3/4-600 3/4400 34 650 3/4-400 3/4-600 3/4650 3/4750 P-800l8O01 9001 5001 800P900 P1000 P40 3/4 650 1900 P-30 CLASS FREE FLIGHT MODEL KIT $ 3395 POSTPAID $7 PSF 3/4-750 l-l000 FOOT PAD 3/4-6 50 P780 F03 3/4 6 00 P800 Hawk P-30 BY JOHN ODWYER WINNING SINCE 1982 REDI-CUT RIBS PREFORMED TUBE MFG BY MODEL AIRCRAFT LABS ItS LEE STREET IRVING TEXAS 75060 FOL 3/4-600 I-800 BUNGlE BALL 6 40 WE MAMJFAC1URE & STOOC SEVER AL OThER Se5TEi15 & HAVE FUI LHE OF ACCESEORIES ALL wiTh ThE VR400R #4 MW CALL FAX OR MAL US TO PLACE YOUR ORDER OR TO RECEWE YOUR FREE CATALOG SHIPPINGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee RC ElectricslKopski Continued page 119 handling B & T RC Products 2905 Guess Rd Suite 1 Durham NC 27705 Tel 919 471-2060 cell label indicating measured capacity know what youre getting read 330 numerical result based measurement methodology used car folks represents number seconds cell supported 20 amp load B & T will supply catalog/price list other batteries request just ordered some B & T SCRC packs own Thanks again friend John hes helped now perhaps well Bob Markle RJM Systems supplier Electric goodies including speed controls on/off controls wrote tell some recent changes Bob has just moved business new location some disruption normal service some delay filling existing orders Beyond however now looks like some orders never made Bob mail-forwarding process Bob acknowledges some inprocess customer paperwork got misplaced leaving him unable communicate persons youve some disconnect RiM please get touch Bob again RIM Systems 10117 Washington Ave North Huntingdon PA 15642 Tel 412 864-6123 November 93 column described accumulated experience SR Smart Charger indicated upgrade works SR now notifying registered owners upgrades availablity fact Ive just done factory SR now offers Smart Charger two versions Continued page 127 122 Model Aviation UPS 7 DAILY P41 3/4-600 l-900 POP UP CANOPIES $29900 lOxlO LIGHTWEIGHT $39900 lOxlO HEAVWVEIGHT Sets Up Less 30 Seconds No T00la Requwed Other Sizes 8x8 10x15 10x20 SAMS MODELS England NEW Scale Free FlIght Kits WIDGEON WESTLAND WIDGEON 241/4 $1495 also available Hawker Super Fury 211/2$2195 DH Chipmunk 2$1495 add $7 far airmail SAMS Chapel Sandon Buntingford HertS SG9 OQJ England GASPARIN C02 Motora now SAMS Note US Checks & Stamps valid UK VISA & Mastercard accepted 5-bills II Giants Help PromoteI HIGNon-CompetitiveI Al,, IMAA membership includes quarterly magazine High Flight MEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC I Name _________________________________________ Phone ___________________________ 5rt ______________________________________ P0 Box/Route Box ________________ City _______________________State/Province ________________Zip _________________ I IMAA __________AMA Number ____________MAAC __________Chapter __________ L TO IMAA Secretaiy DONE VINEYARD 205 HilIdolo Road na KS 67401 m lectricslKopski Continued page 122 original Standard version newer Deluxe model prices $29995 $34995 respectively plus $7 shipping handling separatelyavailable upgrade converts Standard Deluxe level can added time upgrade material available directly user $50 hipping handling factory installation $70 mong other things upgrade includes new panel overlay selfadhesive plate must attached exactly first time nervous owners may well opt factory installation includes complete going-over alignment Deluxe Smart Charger adds several features Standard version including ability charge up 36 cells instead 28 also adds OverTemp Charge Inhibit function assesses battery temperature before commence charging warns ahead time BEEP out its too hot start point have option setting charge rate will want charger will automatically determine pack has cooled sufficiently self-start charge chosen value Deluxe version also has Expanded Scale Voltmeter function designed determine charge remaining receiver transmitter packs test load current select determine its safe fly charger can safely fast-charge four-cell receiver packs Deluxe can also charge fivecell eight-cell transmitter packs Deluxe unit includes userselectable Low Voltage Warning level source fixed Standard version help further insure theres enough charge left car battery get home after happy Electric flying course both Standard Deluxe Chargers still include familiar features adjustable charge current up 5 amps excellent working peak detection system pack temperature monitor during charge safety maximum charge time set safety precision adjustable constant current cycling digital current meter reverse polarity protection smart cooling system internal fan runs needed etc under microprocessor control Both models employ temperature probe monitor battery temperature Except probe charger connections via Sermos connectors de facto connector standard US Electric scene Ive got em everything aspect Smart Charger really like works just super road Ive routinely charging way field Im ready fly get Implicit fact charger has functioning unaffected normal carbattery voltage variation occurs traveling whether steady speed highway stop-and-go traffic situations really appreciate ability effect increases time fly like charger much Im now looking see can fit second Smart Charger crowded van think Im going remove something else just make room Cold-weather flying relatively easy Electrics Ive flown near-zero conditions years no problems first flight first charge really day may below normal evidenced both flight power duration true colder packs such stored colder parts March 1994 127 Obechi Large Sheets Please cali 509-548-5201 send SASE 12306 Bergstrasse Leavenworth WA 98826 Rubber ft Engine Power Free Flight Diepley Control Line Electric Power RIC Airplenes new Illustrated 32 page tabloId else cetalog US ft Cenade *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanadale PA 19448 215- 3U4770 DISCOVER ELECTRIC RTP FLYING Catalog including Ballards imports $1 SKONK WORKS 1890 Foresfdale Ave Beavercreek OH 45432 513 429-2411 LOW WING PREDATOR $3995 &H Span 48 25 45 ht 2/e 31/2 lbs. Fully accrobatic fun fly t competition Will roll & turn w/in its own space qa Orders Call 1-800-645-KITS informetlon call eoe-445-1122 F 0 8cc 771 GENERIX East Windsor NJ 08525 Tomorrows Kits Affordable Priceaf Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE
Edition: Model Aviation - 1994/03
Page Numbers: 100, 101, 119, 122, 127, 128
RADIO CONTROL ELECTRICS THIS MONTHS ECS little different Reader Donald Knight 1765 Ala Moana Apt 1091 Honolulu HI 96815 very much interested CL Electrics has experimenting arena particular Donald interested flying smaller models indoors small outdoor areas having available reference hes pursued idea running power up lines best could devise Donald asking written reference subject would interested reader contact anyone has same interests OK folks lets show em ECS really workseven challenging topic such unusual creative Electric application recent letter Ken Rusnok PO Box 4643 Fayetteville AR 72702 updated MAs reader response PC program hes offering program allows evaluation motor/propeller choices available free send formatted disk disk mailer first discussed December 92 column later June 93 November 93 columns certainly have shown heavily computer-aided Electric aeromodeling because Ken now tells hes up 65 disk requests phenomenal level interest shows just seriously columns readers Electrics Ken has request Hes very much interested hearing back regarding well program worked get suggestions may have Hed really like share actual results him Ken asking unselfish way wants upgrade program time goes along input can help him fact has great plans program such adding mouse control pull-down menus disk files/handling etc Since Ken generous first place lets return kindness some feedback him tell him Bob made ya Recent columns have presented several discussions REVOLT design readers have inquired about availability plans As result rather high interest level Ive some plan sets printed available cost $6 two sheets plus mailing envelope postage sorry no mailing tubes fact Ive already sent out sets copy like blueprint black ink text may see REVOLT MA construction article wont appear quite some time meantime scratchbuilders just cant wait can help out As aside some readers have confused Skyvolt MA 1/90 REVOLT designs rather different Skyvolt smaller two about 400 square inches semisymmetrical section designed four-channel aerobatic flight experienced pilots REVOLT 600 square-inch flat bottom section deep cabin sportltrainer configurationmuch pussycat air REVOLTs continues serve telemetry vehicle As write late October Ive just successful applying telemetry monitor inflight motor voltage motor current Ive few flights plan much REVOLT IN-FLIGHT MOTOR CURRENT DATA 40 I111 2oI 34 0810 IPAflRE REVOLT FLIGHT POWER PROFILE Ij 4004 1-I I I 0[ 01234 0010 MXMLrl3s REVOLT INFLIGHT MOTOR VOLTAGE DATA F kL1 t3I II 01234 0010 IPJTES - =U AI - ~kI Motor input power throughout flight Intent cruise majority flight Effects lift shown 51A 8 minutes winter daylight weather allow Meanwhile take close look three graphs motor voltage motor current graphs reproductions onfield live data acquisition third graph motor power calculated result Beginning time zero short-duration low-amplitude rise graphs about minute represents brief motor test carto verify telemetry operation before proceeding flightline steep rise about 2/3 minute represents full-throttle takeoff over 450 watts peak expenditure plane quickly grabs altitude back off power 100 Model Aviation htecs Data Logger allows acquisition storage printing battery charge/ discharge data seek attain level flight cruiseAirborne telemetry system described condition mean Im trying just Januarys text Weighs less two maintain altitudeno no lessfrom ounces built 2% x 3% board about 11/2 8 minutes graph Incidentally power system direct drive cobalt 25 14 14 SCRs speed control manufacturers new design Im trying out air during flight bit turbulent fact some widespread buoyancy beginning about 5 1/2-minute mark time plane began climb slowly indicating some lift reduced throttle just maintain cruise condition evident graphs Keep eyes highlfast flights Beepo audible timekeeper $2995 Z Tron 171 Arundel Rd Paramus NJ 07652 Just after 8 minutes decided go full power battery lasted little over minute under conditions powered down landed just before ten-minute mark small spike just before 31/2 minutes very large spike end flight data link glitches can disregarded may wondering voltage current data stored numerically disk well displayed live PC screen power Continued page 119 March 1994 101 John Chapis P-40 cobalt 05 eight cells Plans Connies Copies Route 1 Box 209C Seaford DE 19973 Renee Torrito 87-inch-span Sigma Northern Connecticut Electric Fun-Fly FAI 15 SR ilOOs l2x8folder go ahead choose Centurion series landing gear 60 120 size model will handle type field fly fromgrass pavement rough smooth Just check standard features * functional stainless oleo struts & torque links * positive up/down lock using our1s piston * extruded aluminum body & stainless cam support * four lower strut configurations Plus * 30 day refund * 1 year warranty * total parts service * wire replacement struts available Prices starting $14995 plus P&H send $200 complete catalog CENTURY JET MODELS INCA *1 FIf__ ~NIWE Retracts ModeLs & Accessories 8305 Regency Woods Way Louisville KY 40220 4 502 491-4114 4 FAX 502 491-4656 RC Electrics/Kopski Continued page 101 plot result loading numeric data spreadsheet program multiplying voltage current numbers together yield watts three curves can plotted spreadsheet program Now long ago far away Model Aviation Electric series 9/83 7/84 offered some rules thumb Electrics Among empiricism Power Cruise dead air ht Pounds x Wing Loading Oz/Sq Ft REVOLT weighs 77 ounces has 600 square inches area predicted cruise power requirement 89 watts Look power curve during cruise phase remember air turbulent also exhibited lift ie dead air notice average power during period too far prediction can hardly wait try again dead air Clearly just beginning feel threshold benefits telemetry resource SCRC Cell great interest readers because promises significantly extend flight times over familiar SCRs Ive some very disappointing experiences cell type graphically reported August 93 column also reported some much better results January 94 column SCRC pack loaned RC Report columnist John Mountjoy Since written friend John has loaned yet another pack SCRCs evaluate another supplier pack performed almost exactly first much better own first experience John got last seven cell packmade individually tested cellsat very reasonable price $3081 ping Continued page 122 fIve minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded supertough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 1Fits FUTABA S28/S 128 S38/S 138 S48/S148 Servos set 4$2595 C-2As above set 1$695 C3Fits AIRTRONICS 94102 Servos set 4$2595 -4 As above set 1$695 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 114 692-1393 Info Only california Residents Add 775% sales Tax 800 845-8978 Orders Only VISA MASTERCARD Accepted March1994 119 tl TUIUO LII Ud IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1 00 CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3 1 12 $3995 kit $6995 80% ARE &H Span 48 19 45 ht 2/ 31/2 lbs Radio 4 ch ocile trainer Over 40 loops per mm unlimited rolls Incredible maneuverability q3 Orders Call 1-800-645-KITS Fo no mat cell eea448-1122 GENERIX 5520 Tomorrows Kits Affordable Priceal Write Free Catalog Add $500 COD Custom Kit Cutters o Plans Anyone Elses WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATFERED OR JUST LFITEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reaxonable pricex Whether choose quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 27625 MIN EPOXY Soz596 276312 MIN EPOXY Soz596 276430 MIN EPOXY Soz596 27595 MtN EPOXY 9oz749 276015 MtN EPOXY 9oz749 276t30 MIN EPOXY 9oz749 Y marketing P051-CURE since 1984 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available POSI-CURE products specially formulated very best avaisbie raw materials use no second grade stock warehouse inventory stored refriger ated maintain very best quality possible Lots imitators good POSI-CURE modelers choice 2752 P051-CURE THIN 2oz 539 2753 POSI-CURE GAP-FILLING 2oz. 539 2754 POSI-CIJRE THIN Ioz 349 2755 POSI-CURE GAP FILLING loz 2756 INSTA-SET SPRAY 2oz 349 2757 INSTA-SET REFILL IOoz 796 2758 UN-CURE DEBONDER Ioz 296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CORDER 408 DEALER Iksu 4338 AuIn Btvd. Island Park NY 11558 Tel 516/431-4127 516/594-9881 FEATURING UTEWEIGHT EMT CONDUIT TUBING & QUICK LOCK SUP ON FITTINGS NO TOOLS -S F1CLtJ51 I3WPI BxlO$96$130I 10x10$100$136I BREAKDOWN MODEL Fits In Cars& Can Shipped UPS Add Amounts Below Unit Price BxlO & lOxlO Flat 540 3/4 & $46 1 Bxl0 & lOxlO Peaked S35 314 & $46 P 10x20 Flat S64 3/4 & $73 P 10x20 Peaked 554 314 & $62 P F1NCLtDE I3/4l 8510$80SIlO lOalO$85$115 P3JP3EP41FCF3 ~yT 3/4-600 3/4400 34 650 3/4-400 3/4-600 3/4650 3/4750 P-800l8O01 9001 5001 800P900 P1000 P40 3/4 650 1900 P-30 CLASS FREE FLIGHT MODEL KIT $ 3395 POSTPAID $7 PSF 3/4-750 l-l000 FOOT PAD 3/4-6 50 P780 F03 3/4 6 00 P800 Hawk P-30 BY JOHN ODWYER WINNING SINCE 1982 REDI-CUT RIBS PREFORMED TUBE MFG BY MODEL AIRCRAFT LABS ItS LEE STREET IRVING TEXAS 75060 FOL 3/4-600 I-800 BUNGlE BALL 6 40 WE MAMJFAC1URE & STOOC SEVER AL OThER Se5TEi15 & HAVE FUI LHE OF ACCESEORIES ALL wiTh ThE VR400R #4 MW CALL FAX OR MAL US TO PLACE YOUR ORDER OR TO RECEWE YOUR FREE CATALOG SHIPPINGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee RC ElectricslKopski Continued page 119 handling B & T RC Products 2905 Guess Rd Suite 1 Durham NC 27705 Tel 919 471-2060 cell label indicating measured capacity know what youre getting read 330 numerical result based measurement methodology used car folks represents number seconds cell supported 20 amp load B & T will supply catalog/price list other batteries request just ordered some B & T SCRC packs own Thanks again friend John hes helped now perhaps well Bob Markle RJM Systems supplier Electric goodies including speed controls on/off controls wrote tell some recent changes Bob has just moved business new location some disruption normal service some delay filling existing orders Beyond however now looks like some orders never made Bob mail-forwarding process Bob acknowledges some inprocess customer paperwork got misplaced leaving him unable communicate persons youve some disconnect RiM please get touch Bob again RIM Systems 10117 Washington Ave North Huntingdon PA 15642 Tel 412 864-6123 November 93 column described accumulated experience SR Smart Charger indicated upgrade works SR now notifying registered owners upgrades availablity fact Ive just done factory SR now offers Smart Charger two versions Continued page 127 122 Model Aviation UPS 7 DAILY P41 3/4-600 l-900 POP UP CANOPIES $29900 lOxlO LIGHTWEIGHT $39900 lOxlO HEAVWVEIGHT Sets Up Less 30 Seconds No T00la Requwed Other Sizes 8x8 10x15 10x20 SAMS MODELS England NEW Scale Free FlIght Kits WIDGEON WESTLAND WIDGEON 241/4 $1495 also available Hawker Super Fury 211/2$2195 DH Chipmunk 2$1495 add $7 far airmail SAMS Chapel Sandon Buntingford HertS SG9 OQJ England GASPARIN C02 Motora now SAMS Note US Checks & Stamps valid UK VISA & Mastercard accepted 5-bills II Giants Help PromoteI HIGNon-CompetitiveI Al,, IMAA membership includes quarterly magazine High Flight MEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC I Name _________________________________________ Phone ___________________________ 5rt ______________________________________ P0 Box/Route Box ________________ City _______________________State/Province ________________Zip _________________ I IMAA __________AMA Number ____________MAAC __________Chapter __________ L TO IMAA Secretaiy DONE VINEYARD 205 HilIdolo Road na KS 67401 m lectricslKopski Continued page 122 original Standard version newer Deluxe model prices $29995 $34995 respectively plus $7 shipping handling separatelyavailable upgrade converts Standard Deluxe level can added time upgrade material available directly user $50 hipping handling factory installation $70 mong other things upgrade includes new panel overlay selfadhesive plate must attached exactly first time nervous owners may well opt factory installation includes complete going-over alignment Deluxe Smart Charger adds several features Standard version including ability charge up 36 cells instead 28 also adds OverTemp Charge Inhibit function assesses battery temperature before commence charging warns ahead time BEEP out its too hot start point have option setting charge rate will want charger will automatically determine pack has cooled sufficiently self-start charge chosen value Deluxe version also has Expanded Scale Voltmeter function designed determine charge remaining receiver transmitter packs test load current select determine its safe fly charger can safely fast-charge four-cell receiver packs Deluxe can also charge fivecell eight-cell transmitter packs Deluxe unit includes userselectable Low Voltage Warning level source fixed Standard version help further insure theres enough charge left car battery get home after happy Electric flying course both Standard Deluxe Chargers still include familiar features adjustable charge current up 5 amps excellent working peak detection system pack temperature monitor during charge safety maximum charge time set safety precision adjustable constant current cycling digital current meter reverse polarity protection smart cooling system internal fan runs needed etc under microprocessor control Both models employ temperature probe monitor battery temperature Except probe charger connections via Sermos connectors de facto connector standard US Electric scene Ive got em everything aspect Smart Charger really like works just super road Ive routinely charging way field Im ready fly get Implicit fact charger has functioning unaffected normal carbattery voltage variation occurs traveling whether steady speed highway stop-and-go traffic situations really appreciate ability effect increases time fly like charger much Im now looking see can fit second Smart Charger crowded van think Im going remove something else just make room Cold-weather flying relatively easy Electrics Ive flown near-zero conditions years no problems first flight first charge really day may below normal evidenced both flight power duration true colder packs such stored colder parts March 1994 127 Obechi Large Sheets Please cali 509-548-5201 send SASE 12306 Bergstrasse Leavenworth WA 98826 Rubber ft Engine Power Free Flight Diepley Control Line Electric Power RIC Airplenes new Illustrated 32 page tabloId else cetalog US ft Cenade *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanadale PA 19448 215- 3U4770 DISCOVER ELECTRIC RTP FLYING Catalog including Ballards imports $1 SKONK WORKS 1890 Foresfdale Ave Beavercreek OH 45432 513 429-2411 LOW WING PREDATOR $3995 &H Span 48 25 45 ht 2/e 31/2 lbs. Fully accrobatic fun fly t competition Will roll & turn w/in its own space qa Orders Call 1-800-645-KITS informetlon call eoe-445-1122 F 0 8cc 771 GENERIX East Windsor NJ 08525 Tomorrows Kits Affordable Priceaf Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE
Edition: Model Aviation - 1994/03
Page Numbers: 100, 101, 119, 122, 127, 128
RADIO CONTROL ELECTRICS THIS MONTHS ECS little different Reader Donald Knight 1765 Ala Moana Apt 1091 Honolulu HI 96815 very much interested CL Electrics has experimenting arena particular Donald interested flying smaller models indoors small outdoor areas having available reference hes pursued idea running power up lines best could devise Donald asking written reference subject would interested reader contact anyone has same interests OK folks lets show em ECS really workseven challenging topic such unusual creative Electric application recent letter Ken Rusnok PO Box 4643 Fayetteville AR 72702 updated MAs reader response PC program hes offering program allows evaluation motor/propeller choices available free send formatted disk disk mailer first discussed December 92 column later June 93 November 93 columns certainly have shown heavily computer-aided Electric aeromodeling because Ken now tells hes up 65 disk requests phenomenal level interest shows just seriously columns readers Electrics Ken has request Hes very much interested hearing back regarding well program worked get suggestions may have Hed really like share actual results him Ken asking unselfish way wants upgrade program time goes along input can help him fact has great plans program such adding mouse control pull-down menus disk files/handling etc Since Ken generous first place lets return kindness some feedback him tell him Bob made ya Recent columns have presented several discussions REVOLT design readers have inquired about availability plans As result rather high interest level Ive some plan sets printed available cost $6 two sheets plus mailing envelope postage sorry no mailing tubes fact Ive already sent out sets copy like blueprint black ink text may see REVOLT MA construction article wont appear quite some time meantime scratchbuilders just cant wait can help out As aside some readers have confused Skyvolt MA 1/90 REVOLT designs rather different Skyvolt smaller two about 400 square inches semisymmetrical section designed four-channel aerobatic flight experienced pilots REVOLT 600 square-inch flat bottom section deep cabin sportltrainer configurationmuch pussycat air REVOLTs continues serve telemetry vehicle As write late October Ive just successful applying telemetry monitor inflight motor voltage motor current Ive few flights plan much REVOLT IN-FLIGHT MOTOR CURRENT DATA 40 I111 2oI 34 0810 IPAflRE REVOLT FLIGHT POWER PROFILE Ij 4004 1-I I I 0[ 01234 0010 MXMLrl3s REVOLT INFLIGHT MOTOR VOLTAGE DATA F kL1 t3I II 01234 0010 IPJTES - =U AI - ~kI Motor input power throughout flight Intent cruise majority flight Effects lift shown 51A 8 minutes winter daylight weather allow Meanwhile take close look three graphs motor voltage motor current graphs reproductions onfield live data acquisition third graph motor power calculated result Beginning time zero short-duration low-amplitude rise graphs about minute represents brief motor test carto verify telemetry operation before proceeding flightline steep rise about 2/3 minute represents full-throttle takeoff over 450 watts peak expenditure plane quickly grabs altitude back off power 100 Model Aviation htecs Data Logger allows acquisition storage printing battery charge/ discharge data seek attain level flight cruiseAirborne telemetry system described condition mean Im trying just Januarys text Weighs less two maintain altitudeno no lessfrom ounces built 2% x 3% board about 11/2 8 minutes graph Incidentally power system direct drive cobalt 25 14 14 SCRs speed control manufacturers new design Im trying out air during flight bit turbulent fact some widespread buoyancy beginning about 5 1/2-minute mark time plane began climb slowly indicating some lift reduced throttle just maintain cruise condition evident graphs Keep eyes highlfast flights Beepo audible timekeeper $2995 Z Tron 171 Arundel Rd Paramus NJ 07652 Just after 8 minutes decided go full power battery lasted little over minute under conditions powered down landed just before ten-minute mark small spike just before 31/2 minutes very large spike end flight data link glitches can disregarded may wondering voltage current data stored numerically disk well displayed live PC screen power Continued page 119 March 1994 101 John Chapis P-40 cobalt 05 eight cells Plans Connies Copies Route 1 Box 209C Seaford DE 19973 Renee Torrito 87-inch-span Sigma Northern Connecticut Electric Fun-Fly FAI 15 SR ilOOs l2x8folder go ahead choose Centurion series landing gear 60 120 size model will handle type field fly fromgrass pavement rough smooth Just check standard features * functional stainless oleo struts & torque links * positive up/down lock using our1s piston * extruded aluminum body & stainless cam support * four lower strut configurations Plus * 30 day refund * 1 year warranty * total parts service * wire replacement struts available Prices starting $14995 plus P&H send $200 complete catalog CENTURY JET MODELS INCA *1 FIf__ ~NIWE Retracts ModeLs & Accessories 8305 Regency Woods Way Louisville KY 40220 4 502 491-4114 4 FAX 502 491-4656 RC Electrics/Kopski Continued page 101 plot result loading numeric data spreadsheet program multiplying voltage current numbers together yield watts three curves can plotted spreadsheet program Now long ago far away Model Aviation Electric series 9/83 7/84 offered some rules thumb Electrics Among empiricism Power Cruise dead air ht Pounds x Wing Loading Oz/Sq Ft REVOLT weighs 77 ounces has 600 square inches area predicted cruise power requirement 89 watts Look power curve during cruise phase remember air turbulent also exhibited lift ie dead air notice average power during period too far prediction can hardly wait try again dead air Clearly just beginning feel threshold benefits telemetry resource SCRC Cell great interest readers because promises significantly extend flight times over familiar SCRs Ive some very disappointing experiences cell type graphically reported August 93 column also reported some much better results January 94 column SCRC pack loaned RC Report columnist John Mountjoy Since written friend John has loaned yet another pack SCRCs evaluate another supplier pack performed almost exactly first much better own first experience John got last seven cell packmade individually tested cellsat very reasonable price $3081 ping Continued page 122 fIve minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded supertough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 1Fits FUTABA S28/S 128 S38/S 138 S48/S148 Servos set 4$2595 C-2As above set 1$695 C3Fits AIRTRONICS 94102 Servos set 4$2595 -4 As above set 1$695 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 114 692-1393 Info Only california Residents Add 775% sales Tax 800 845-8978 Orders Only VISA MASTERCARD Accepted March1994 119 tl TUIUO LII Ud IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1 00 CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3 1 12 $3995 kit $6995 80% ARE &H Span 48 19 45 ht 2/ 31/2 lbs Radio 4 ch ocile trainer Over 40 loops per mm unlimited rolls Incredible maneuverability q3 Orders Call 1-800-645-KITS Fo no mat cell eea448-1122 GENERIX 5520 Tomorrows Kits Affordable Priceal Write Free Catalog Add $500 COD Custom Kit Cutters o Plans Anyone Elses WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATFERED OR JUST LFITEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reaxonable pricex Whether choose quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 27625 MIN EPOXY Soz596 276312 MIN EPOXY Soz596 276430 MIN EPOXY Soz596 27595 MtN EPOXY 9oz749 276015 MtN EPOXY 9oz749 276t30 MIN EPOXY 9oz749 Y marketing P051-CURE since 1984 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available POSI-CURE products specially formulated very best avaisbie raw materials use no second grade stock warehouse inventory stored refriger ated maintain very best quality possible Lots imitators good POSI-CURE modelers choice 2752 P051-CURE THIN 2oz 539 2753 POSI-CURE GAP-FILLING 2oz. 539 2754 POSI-CIJRE THIN Ioz 349 2755 POSI-CURE GAP FILLING loz 2756 INSTA-SET SPRAY 2oz 349 2757 INSTA-SET REFILL IOoz 796 2758 UN-CURE DEBONDER Ioz 296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CORDER 408 DEALER Iksu 4338 AuIn Btvd. Island Park NY 11558 Tel 516/431-4127 516/594-9881 FEATURING UTEWEIGHT EMT CONDUIT TUBING & QUICK LOCK SUP ON FITTINGS NO TOOLS -S F1CLtJ51 I3WPI BxlO$96$130I 10x10$100$136I BREAKDOWN MODEL Fits In Cars& Can Shipped UPS Add Amounts Below Unit Price BxlO & lOxlO Flat 540 3/4 & $46 1 Bxl0 & lOxlO Peaked S35 314 & $46 P 10x20 Flat S64 3/4 & $73 P 10x20 Peaked 554 314 & $62 P F1NCLtDE I3/4l 8510$80SIlO lOalO$85$115 P3JP3EP41FCF3 ~yT 3/4-600 3/4400 34 650 3/4-400 3/4-600 3/4650 3/4750 P-800l8O01 9001 5001 800P900 P1000 P40 3/4 650 1900 P-30 CLASS FREE FLIGHT MODEL KIT $ 3395 POSTPAID $7 PSF 3/4-750 l-l000 FOOT PAD 3/4-6 50 P780 F03 3/4 6 00 P800 Hawk P-30 BY JOHN ODWYER WINNING SINCE 1982 REDI-CUT RIBS PREFORMED TUBE MFG BY MODEL AIRCRAFT LABS ItS LEE STREET IRVING TEXAS 75060 FOL 3/4-600 I-800 BUNGlE BALL 6 40 WE MAMJFAC1URE & STOOC SEVER AL OThER Se5TEi15 & HAVE FUI LHE OF ACCESEORIES ALL wiTh ThE VR400R #4 MW CALL FAX OR MAL US TO PLACE YOUR ORDER OR TO RECEWE YOUR FREE CATALOG SHIPPINGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee RC ElectricslKopski Continued page 119 handling B & T RC Products 2905 Guess Rd Suite 1 Durham NC 27705 Tel 919 471-2060 cell label indicating measured capacity know what youre getting read 330 numerical result based measurement methodology used car folks represents number seconds cell supported 20 amp load B & T will supply catalog/price list other batteries request just ordered some B & T SCRC packs own Thanks again friend John hes helped now perhaps well Bob Markle RJM Systems supplier Electric goodies including speed controls on/off controls wrote tell some recent changes Bob has just moved business new location some disruption normal service some delay filling existing orders Beyond however now looks like some orders never made Bob mail-forwarding process Bob acknowledges some inprocess customer paperwork got misplaced leaving him unable communicate persons youve some disconnect RiM please get touch Bob again RIM Systems 10117 Washington Ave North Huntingdon PA 15642 Tel 412 864-6123 November 93 column described accumulated experience SR Smart Charger indicated upgrade works SR now notifying registered owners upgrades availablity fact Ive just done factory SR now offers Smart Charger two versions Continued page 127 122 Model Aviation UPS 7 DAILY P41 3/4-600 l-900 POP UP CANOPIES $29900 lOxlO LIGHTWEIGHT $39900 lOxlO HEAVWVEIGHT Sets Up Less 30 Seconds No T00la Requwed Other Sizes 8x8 10x15 10x20 SAMS MODELS England NEW Scale Free FlIght Kits WIDGEON WESTLAND WIDGEON 241/4 $1495 also available Hawker Super Fury 211/2$2195 DH Chipmunk 2$1495 add $7 far airmail SAMS Chapel Sandon Buntingford HertS SG9 OQJ England GASPARIN C02 Motora now SAMS Note US Checks & Stamps valid UK VISA & Mastercard accepted 5-bills II Giants Help PromoteI HIGNon-CompetitiveI Al,, IMAA membership includes quarterly magazine High Flight MEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC I Name _________________________________________ Phone ___________________________ 5rt ______________________________________ P0 Box/Route Box ________________ City _______________________State/Province ________________Zip _________________ I IMAA __________AMA Number ____________MAAC __________Chapter __________ L TO IMAA Secretaiy DONE VINEYARD 205 HilIdolo Road na KS 67401 m lectricslKopski Continued page 122 original Standard version newer Deluxe model prices $29995 $34995 respectively plus $7 shipping handling separatelyavailable upgrade converts Standard Deluxe level can added time upgrade material available directly user $50 hipping handling factory installation $70 mong other things upgrade includes new panel overlay selfadhesive plate must attached exactly first time nervous owners may well opt factory installation includes complete going-over alignment Deluxe Smart Charger adds several features Standard version including ability charge up 36 cells instead 28 also adds OverTemp Charge Inhibit function assesses battery temperature before commence charging warns ahead time BEEP out its too hot start point have option setting charge rate will want charger will automatically determine pack has cooled sufficiently self-start charge chosen value Deluxe version also has Expanded Scale Voltmeter function designed determine charge remaining receiver transmitter packs test load current select determine its safe fly charger can safely fast-charge four-cell receiver packs Deluxe can also charge fivecell eight-cell transmitter packs Deluxe unit includes userselectable Low Voltage Warning level source fixed Standard version help further insure theres enough charge left car battery get home after happy Electric flying course both Standard Deluxe Chargers still include familiar features adjustable charge current up 5 amps excellent working peak detection system pack temperature monitor during charge safety maximum charge time set safety precision adjustable constant current cycling digital current meter reverse polarity protection smart cooling system internal fan runs needed etc under microprocessor control Both models employ temperature probe monitor battery temperature Except probe charger connections via Sermos connectors de facto connector standard US Electric scene Ive got em everything aspect Smart Charger really like works just super road Ive routinely charging way field Im ready fly get Implicit fact charger has functioning unaffected normal carbattery voltage variation occurs traveling whether steady speed highway stop-and-go traffic situations really appreciate ability effect increases time fly like charger much Im now looking see can fit second Smart Charger crowded van think Im going remove something else just make room Cold-weather flying relatively easy Electrics Ive flown near-zero conditions years no problems first flight first charge really day may below normal evidenced both flight power duration true colder packs such stored colder parts March 1994 127 Obechi Large Sheets Please cali 509-548-5201 send SASE 12306 Bergstrasse Leavenworth WA 98826 Rubber ft Engine Power Free Flight Diepley Control Line Electric Power RIC Airplenes new Illustrated 32 page tabloId else cetalog US ft Cenade *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanadale PA 19448 215- 3U4770 DISCOVER ELECTRIC RTP FLYING Catalog including Ballards imports $1 SKONK WORKS 1890 Foresfdale Ave Beavercreek OH 45432 513 429-2411 LOW WING PREDATOR $3995 &H Span 48 25 45 ht 2/e 31/2 lbs. Fully accrobatic fun fly t competition Will roll & turn w/in its own space qa Orders Call 1-800-645-KITS informetlon call eoe-445-1122 F 0 8cc 771 GENERIX East Windsor NJ 08525 Tomorrows Kits Affordable Priceaf Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE
Edition: Model Aviation - 1994/03
Page Numbers: 100, 101, 119, 122, 127, 128
RADIO CONTROL ELECTRICS THIS MONTHS ECS little different Reader Donald Knight 1765 Ala Moana Apt 1091 Honolulu HI 96815 very much interested CL Electrics has experimenting arena particular Donald interested flying smaller models indoors small outdoor areas having available reference hes pursued idea running power up lines best could devise Donald asking written reference subject would interested reader contact anyone has same interests OK folks lets show em ECS really workseven challenging topic such unusual creative Electric application recent letter Ken Rusnok PO Box 4643 Fayetteville AR 72702 updated MAs reader response PC program hes offering program allows evaluation motor/propeller choices available free send formatted disk disk mailer first discussed December 92 column later June 93 November 93 columns certainly have shown heavily computer-aided Electric aeromodeling because Ken now tells hes up 65 disk requests phenomenal level interest shows just seriously columns readers Electrics Ken has request Hes very much interested hearing back regarding well program worked get suggestions may have Hed really like share actual results him Ken asking unselfish way wants upgrade program time goes along input can help him fact has great plans program such adding mouse control pull-down menus disk files/handling etc Since Ken generous first place lets return kindness some feedback him tell him Bob made ya Recent columns have presented several discussions REVOLT design readers have inquired about availability plans As result rather high interest level Ive some plan sets printed available cost $6 two sheets plus mailing envelope postage sorry no mailing tubes fact Ive already sent out sets copy like blueprint black ink text may see REVOLT MA construction article wont appear quite some time meantime scratchbuilders just cant wait can help out As aside some readers have confused Skyvolt MA 1/90 REVOLT designs rather different Skyvolt smaller two about 400 square inches semisymmetrical section designed four-channel aerobatic flight experienced pilots REVOLT 600 square-inch flat bottom section deep cabin sportltrainer configurationmuch pussycat air REVOLTs continues serve telemetry vehicle As write late October Ive just successful applying telemetry monitor inflight motor voltage motor current Ive few flights plan much REVOLT IN-FLIGHT MOTOR CURRENT DATA 40 I111 2oI 34 0810 IPAflRE REVOLT FLIGHT POWER PROFILE Ij 4004 1-I I I 0[ 01234 0010 MXMLrl3s REVOLT INFLIGHT MOTOR VOLTAGE DATA F kL1 t3I II 01234 0010 IPJTES - =U AI - ~kI Motor input power throughout flight Intent cruise majority flight Effects lift shown 51A 8 minutes winter daylight weather allow Meanwhile take close look three graphs motor voltage motor current graphs reproductions onfield live data acquisition third graph motor power calculated result Beginning time zero short-duration low-amplitude rise graphs about minute represents brief motor test carto verify telemetry operation before proceeding flightline steep rise about 2/3 minute represents full-throttle takeoff over 450 watts peak expenditure plane quickly grabs altitude back off power 100 Model Aviation htecs Data Logger allows acquisition storage printing battery charge/ discharge data seek attain level flight cruiseAirborne telemetry system described condition mean Im trying just Januarys text Weighs less two maintain altitudeno no lessfrom ounces built 2% x 3% board about 11/2 8 minutes graph Incidentally power system direct drive cobalt 25 14 14 SCRs speed control manufacturers new design Im trying out air during flight bit turbulent fact some widespread buoyancy beginning about 5 1/2-minute mark time plane began climb slowly indicating some lift reduced throttle just maintain cruise condition evident graphs Keep eyes highlfast flights Beepo audible timekeeper $2995 Z Tron 171 Arundel Rd Paramus NJ 07652 Just after 8 minutes decided go full power battery lasted little over minute under conditions powered down landed just before ten-minute mark small spike just before 31/2 minutes very large spike end flight data link glitches can disregarded may wondering voltage current data stored numerically disk well displayed live PC screen power Continued page 119 March 1994 101 John Chapis P-40 cobalt 05 eight cells Plans Connies Copies Route 1 Box 209C Seaford DE 19973 Renee Torrito 87-inch-span Sigma Northern Connecticut Electric Fun-Fly FAI 15 SR ilOOs l2x8folder go ahead choose Centurion series landing gear 60 120 size model will handle type field fly fromgrass pavement rough smooth Just check standard features * functional stainless oleo struts & torque links * positive up/down lock using our1s piston * extruded aluminum body & stainless cam support * four lower strut configurations Plus * 30 day refund * 1 year warranty * total parts service * wire replacement struts available Prices starting $14995 plus P&H send $200 complete catalog CENTURY JET MODELS INCA *1 FIf__ ~NIWE Retracts ModeLs & Accessories 8305 Regency Woods Way Louisville KY 40220 4 502 491-4114 4 FAX 502 491-4656 RC Electrics/Kopski Continued page 101 plot result loading numeric data spreadsheet program multiplying voltage current numbers together yield watts three curves can plotted spreadsheet program Now long ago far away Model Aviation Electric series 9/83 7/84 offered some rules thumb Electrics Among empiricism Power Cruise dead air ht Pounds x Wing Loading Oz/Sq Ft REVOLT weighs 77 ounces has 600 square inches area predicted cruise power requirement 89 watts Look power curve during cruise phase remember air turbulent also exhibited lift ie dead air notice average power during period too far prediction can hardly wait try again dead air Clearly just beginning feel threshold benefits telemetry resource SCRC Cell great interest readers because promises significantly extend flight times over familiar SCRs Ive some very disappointing experiences cell type graphically reported August 93 column also reported some much better results January 94 column SCRC pack loaned RC Report columnist John Mountjoy Since written friend John has loaned yet another pack SCRCs evaluate another supplier pack performed almost exactly first much better own first experience John got last seven cell packmade individually tested cellsat very reasonable price $3081 ping Continued page 122 fIve minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded supertough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 1Fits FUTABA S28/S 128 S38/S 138 S48/S148 Servos set 4$2595 C-2As above set 1$695 C3Fits AIRTRONICS 94102 Servos set 4$2595 -4 As above set 1$695 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 114 692-1393 Info Only california Residents Add 775% sales Tax 800 845-8978 Orders Only VISA MASTERCARD Accepted March1994 119 tl TUIUO LII Ud IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1 00 CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3 1 12 $3995 kit $6995 80% ARE &H Span 48 19 45 ht 2/ 31/2 lbs Radio 4 ch ocile trainer Over 40 loops per mm unlimited rolls Incredible maneuverability q3 Orders Call 1-800-645-KITS Fo no mat cell eea448-1122 GENERIX 5520 Tomorrows Kits Affordable Priceal Write Free Catalog Add $500 COD Custom Kit Cutters o Plans Anyone Elses WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATFERED OR JUST LFITEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reaxonable pricex Whether choose quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 27625 MIN EPOXY Soz596 276312 MIN EPOXY Soz596 276430 MIN EPOXY Soz596 27595 MtN EPOXY 9oz749 276015 MtN EPOXY 9oz749 276t30 MIN EPOXY 9oz749 Y marketing P051-CURE since 1984 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available POSI-CURE products specially formulated very best avaisbie raw materials use no second grade stock warehouse inventory stored refriger ated maintain very best quality possible Lots imitators good POSI-CURE modelers choice 2752 P051-CURE THIN 2oz 539 2753 POSI-CURE GAP-FILLING 2oz. 539 2754 POSI-CIJRE THIN Ioz 349 2755 POSI-CURE GAP FILLING loz 2756 INSTA-SET SPRAY 2oz 349 2757 INSTA-SET REFILL IOoz 796 2758 UN-CURE DEBONDER Ioz 296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CORDER 408 DEALER Iksu 4338 AuIn Btvd. Island Park NY 11558 Tel 516/431-4127 516/594-9881 FEATURING UTEWEIGHT EMT CONDUIT TUBING & QUICK LOCK SUP ON FITTINGS NO TOOLS -S F1CLtJ51 I3WPI BxlO$96$130I 10x10$100$136I BREAKDOWN MODEL Fits In Cars& Can Shipped UPS Add Amounts Below Unit Price BxlO & lOxlO Flat 540 3/4 & $46 1 Bxl0 & lOxlO Peaked S35 314 & $46 P 10x20 Flat S64 3/4 & $73 P 10x20 Peaked 554 314 & $62 P F1NCLtDE I3/4l 8510$80SIlO lOalO$85$115 P3JP3EP41FCF3 ~yT 3/4-600 3/4400 34 650 3/4-400 3/4-600 3/4650 3/4750 P-800l8O01 9001 5001 800P900 P1000 P40 3/4 650 1900 P-30 CLASS FREE FLIGHT MODEL KIT $ 3395 POSTPAID $7 PSF 3/4-750 l-l000 FOOT PAD 3/4-6 50 P780 F03 3/4 6 00 P800 Hawk P-30 BY JOHN ODWYER WINNING SINCE 1982 REDI-CUT RIBS PREFORMED TUBE MFG BY MODEL AIRCRAFT LABS ItS LEE STREET IRVING TEXAS 75060 FOL 3/4-600 I-800 BUNGlE BALL 6 40 WE MAMJFAC1URE & STOOC SEVER AL OThER Se5TEi15 & HAVE FUI LHE OF ACCESEORIES ALL wiTh ThE VR400R #4 MW CALL FAX OR MAL US TO PLACE YOUR ORDER OR TO RECEWE YOUR FREE CATALOG SHIPPINGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee RC ElectricslKopski Continued page 119 handling B & T RC Products 2905 Guess Rd Suite 1 Durham NC 27705 Tel 919 471-2060 cell label indicating measured capacity know what youre getting read 330 numerical result based measurement methodology used car folks represents number seconds cell supported 20 amp load B & T will supply catalog/price list other batteries request just ordered some B & T SCRC packs own Thanks again friend John hes helped now perhaps well Bob Markle RJM Systems supplier Electric goodies including speed controls on/off controls wrote tell some recent changes Bob has just moved business new location some disruption normal service some delay filling existing orders Beyond however now looks like some orders never made Bob mail-forwarding process Bob acknowledges some inprocess customer paperwork got misplaced leaving him unable communicate persons youve some disconnect RiM please get touch Bob again RIM Systems 10117 Washington Ave North Huntingdon PA 15642 Tel 412 864-6123 November 93 column described accumulated experience SR Smart Charger indicated upgrade works SR now notifying registered owners upgrades availablity fact Ive just done factory SR now offers Smart Charger two versions Continued page 127 122 Model Aviation UPS 7 DAILY P41 3/4-600 l-900 POP UP CANOPIES $29900 lOxlO LIGHTWEIGHT $39900 lOxlO HEAVWVEIGHT Sets Up Less 30 Seconds No T00la Requwed Other Sizes 8x8 10x15 10x20 SAMS MODELS England NEW Scale Free FlIght Kits WIDGEON WESTLAND WIDGEON 241/4 $1495 also available Hawker Super Fury 211/2$2195 DH Chipmunk 2$1495 add $7 far airmail SAMS Chapel Sandon Buntingford HertS SG9 OQJ England GASPARIN C02 Motora now SAMS Note US Checks & Stamps valid UK VISA & Mastercard accepted 5-bills II Giants Help PromoteI HIGNon-CompetitiveI Al,, IMAA membership includes quarterly magazine High Flight MEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC I Name _________________________________________ Phone ___________________________ 5rt ______________________________________ P0 Box/Route Box ________________ City _______________________State/Province ________________Zip _________________ I IMAA __________AMA Number ____________MAAC __________Chapter __________ L TO IMAA Secretaiy DONE VINEYARD 205 HilIdolo Road na KS 67401 m lectricslKopski Continued page 122 original Standard version newer Deluxe model prices $29995 $34995 respectively plus $7 shipping handling separatelyavailable upgrade converts Standard Deluxe level can added time upgrade material available directly user $50 hipping handling factory installation $70 mong other things upgrade includes new panel overlay selfadhesive plate must attached exactly first time nervous owners may well opt factory installation includes complete going-over alignment Deluxe Smart Charger adds several features Standard version including ability charge up 36 cells instead 28 also adds OverTemp Charge Inhibit function assesses battery temperature before commence charging warns ahead time BEEP out its too hot start point have option setting charge rate will want charger will automatically determine pack has cooled sufficiently self-start charge chosen value Deluxe version also has Expanded Scale Voltmeter function designed determine charge remaining receiver transmitter packs test load current select determine its safe fly charger can safely fast-charge four-cell receiver packs Deluxe can also charge fivecell eight-cell transmitter packs Deluxe unit includes userselectable Low Voltage Warning level source fixed Standard version help further insure theres enough charge left car battery get home after happy Electric flying course both Standard Deluxe Chargers still include familiar features adjustable charge current up 5 amps excellent working peak detection system pack temperature monitor during charge safety maximum charge time set safety precision adjustable constant current cycling digital current meter reverse polarity protection smart cooling system internal fan runs needed etc under microprocessor control Both models employ temperature probe monitor battery temperature Except probe charger connections via Sermos connectors de facto connector standard US Electric scene Ive got em everything aspect Smart Charger really like works just super road Ive routinely charging way field Im ready fly get Implicit fact charger has functioning unaffected normal carbattery voltage variation occurs traveling whether steady speed highway stop-and-go traffic situations really appreciate ability effect increases time fly like charger much Im now looking see can fit second Smart Charger crowded van think Im going remove something else just make room Cold-weather flying relatively easy Electrics Ive flown near-zero conditions years no problems first flight first charge really day may below normal evidenced both flight power duration true colder packs such stored colder parts March 1994 127 Obechi Large Sheets Please cali 509-548-5201 send SASE 12306 Bergstrasse Leavenworth WA 98826 Rubber ft Engine Power Free Flight Diepley Control Line Electric Power RIC Airplenes new Illustrated 32 page tabloId else cetalog US ft Cenade *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanadale PA 19448 215- 3U4770 DISCOVER ELECTRIC RTP FLYING Catalog including Ballards imports $1 SKONK WORKS 1890 Foresfdale Ave Beavercreek OH 45432 513 429-2411 LOW WING PREDATOR $3995 &H Span 48 25 45 ht 2/e 31/2 lbs. Fully accrobatic fun fly t competition Will roll & turn w/in its own space qa Orders Call 1-800-645-KITS informetlon call eoe-445-1122 F 0 8cc 771 GENERIX East Windsor NJ 08525 Tomorrows Kits Affordable Priceaf Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE
Edition: Model Aviation - 1994/03
Page Numbers: 100, 101, 119, 122, 127, 128
RADIO CONTROL ELECTRICS THIS MONTHS ECS little different Reader Donald Knight 1765 Ala Moana Apt 1091 Honolulu HI 96815 very much interested CL Electrics has experimenting arena particular Donald interested flying smaller models indoors small outdoor areas having available reference hes pursued idea running power up lines best could devise Donald asking written reference subject would interested reader contact anyone has same interests OK folks lets show em ECS really workseven challenging topic such unusual creative Electric application recent letter Ken Rusnok PO Box 4643 Fayetteville AR 72702 updated MAs reader response PC program hes offering program allows evaluation motor/propeller choices available free send formatted disk disk mailer first discussed December 92 column later June 93 November 93 columns certainly have shown heavily computer-aided Electric aeromodeling because Ken now tells hes up 65 disk requests phenomenal level interest shows just seriously columns readers Electrics Ken has request Hes very much interested hearing back regarding well program worked get suggestions may have Hed really like share actual results him Ken asking unselfish way wants upgrade program time goes along input can help him fact has great plans program such adding mouse control pull-down menus disk files/handling etc Since Ken generous first place lets return kindness some feedback him tell him Bob made ya Recent columns have presented several discussions REVOLT design readers have inquired about availability plans As result rather high interest level Ive some plan sets printed available cost $6 two sheets plus mailing envelope postage sorry no mailing tubes fact Ive already sent out sets copy like blueprint black ink text may see REVOLT MA construction article wont appear quite some time meantime scratchbuilders just cant wait can help out As aside some readers have confused Skyvolt MA 1/90 REVOLT designs rather different Skyvolt smaller two about 400 square inches semisymmetrical section designed four-channel aerobatic flight experienced pilots REVOLT 600 square-inch flat bottom section deep cabin sportltrainer configurationmuch pussycat air REVOLTs continues serve telemetry vehicle As write late October Ive just successful applying telemetry monitor inflight motor voltage motor current Ive few flights plan much REVOLT IN-FLIGHT MOTOR CURRENT DATA 40 I111 2oI 34 0810 IPAflRE REVOLT FLIGHT POWER PROFILE Ij 4004 1-I I I 0[ 01234 0010 MXMLrl3s REVOLT INFLIGHT MOTOR VOLTAGE DATA F kL1 t3I II 01234 0010 IPJTES - =U AI - ~kI Motor input power throughout flight Intent cruise majority flight Effects lift shown 51A 8 minutes winter daylight weather allow Meanwhile take close look three graphs motor voltage motor current graphs reproductions onfield live data acquisition third graph motor power calculated result Beginning time zero short-duration low-amplitude rise graphs about minute represents brief motor test carto verify telemetry operation before proceeding flightline steep rise about 2/3 minute represents full-throttle takeoff over 450 watts peak expenditure plane quickly grabs altitude back off power 100 Model Aviation htecs Data Logger allows acquisition storage printing battery charge/ discharge data seek attain level flight cruiseAirborne telemetry system described condition mean Im trying just Januarys text Weighs less two maintain altitudeno no lessfrom ounces built 2% x 3% board about 11/2 8 minutes graph Incidentally power system direct drive cobalt 25 14 14 SCRs speed control manufacturers new design Im trying out air during flight bit turbulent fact some widespread buoyancy beginning about 5 1/2-minute mark time plane began climb slowly indicating some lift reduced throttle just maintain cruise condition evident graphs Keep eyes highlfast flights Beepo audible timekeeper $2995 Z Tron 171 Arundel Rd Paramus NJ 07652 Just after 8 minutes decided go full power battery lasted little over minute under conditions powered down landed just before ten-minute mark small spike just before 31/2 minutes very large spike end flight data link glitches can disregarded may wondering voltage current data stored numerically disk well displayed live PC screen power Continued page 119 March 1994 101 John Chapis P-40 cobalt 05 eight cells Plans Connies Copies Route 1 Box 209C Seaford DE 19973 Renee Torrito 87-inch-span Sigma Northern Connecticut Electric Fun-Fly FAI 15 SR ilOOs l2x8folder go ahead choose Centurion series landing gear 60 120 size model will handle type field fly fromgrass pavement rough smooth Just check standard features * functional stainless oleo struts & torque links * positive up/down lock using our1s piston * extruded aluminum body & stainless cam support * four lower strut configurations Plus * 30 day refund * 1 year warranty * total parts service * wire replacement struts available Prices starting $14995 plus P&H send $200 complete catalog CENTURY JET MODELS INCA *1 FIf__ ~NIWE Retracts ModeLs & Accessories 8305 Regency Woods Way Louisville KY 40220 4 502 491-4114 4 FAX 502 491-4656 RC Electrics/Kopski Continued page 101 plot result loading numeric data spreadsheet program multiplying voltage current numbers together yield watts three curves can plotted spreadsheet program Now long ago far away Model Aviation Electric series 9/83 7/84 offered some rules thumb Electrics Among empiricism Power Cruise dead air ht Pounds x Wing Loading Oz/Sq Ft REVOLT weighs 77 ounces has 600 square inches area predicted cruise power requirement 89 watts Look power curve during cruise phase remember air turbulent also exhibited lift ie dead air notice average power during period too far prediction can hardly wait try again dead air Clearly just beginning feel threshold benefits telemetry resource SCRC Cell great interest readers because promises significantly extend flight times over familiar SCRs Ive some very disappointing experiences cell type graphically reported August 93 column also reported some much better results January 94 column SCRC pack loaned RC Report columnist John Mountjoy Since written friend John has loaned yet another pack SCRCs evaluate another supplier pack performed almost exactly first much better own first experience John got last seven cell packmade individually tested cellsat very reasonable price $3081 ping Continued page 122 fIve minutes can upgrade stan dard Futaba Airtronics servos ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded supertough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * pay $3995 $2995 1Fits FUTABA S28/S 128 S38/S 138 S48/S148 Servos set 4$2595 C-2As above set 1$695 C3Fits AIRTRONICS 94102 Servos set 4$2595 -4 As above set 1$695 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 114 692-1393 Info Only california Residents Add 775% sales Tax 800 845-8978 Orders Only VISA MASTERCARD Accepted March1994 119 tl TUIUO LII Ud IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1 00 CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3 1 12 $3995 kit $6995 80% ARE &H Span 48 19 45 ht 2/ 31/2 lbs Radio 4 ch ocile trainer Over 40 loops per mm unlimited rolls Incredible maneuverability q3 Orders Call 1-800-645-KITS Fo no mat cell eea448-1122 GENERIX 5520 Tomorrows Kits Affordable Priceal Write Free Catalog Add $500 COD Custom Kit Cutters o Plans Anyone Elses WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATFERED OR JUST LFITEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reaxonable pricex Whether choose quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 27625 MIN EPOXY Soz596 276312 MIN EPOXY Soz596 276430 MIN EPOXY Soz596 27595 MtN EPOXY 9oz749 276015 MtN EPOXY 9oz749 276t30 MIN EPOXY 9oz749 Y marketing P051-CURE since 1984 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available POSI-CURE products specially formulated very best avaisbie raw materials use no second grade stock warehouse inventory stored refriger ated maintain very best quality possible Lots imitators good POSI-CURE modelers choice 2752 P051-CURE THIN 2oz 539 2753 POSI-CURE GAP-FILLING 2oz. 539 2754 POSI-CIJRE THIN Ioz 349 2755 POSI-CURE GAP FILLING loz 2756 INSTA-SET SPRAY 2oz 349 2757 INSTA-SET REFILL IOoz 796 2758 UN-CURE DEBONDER Ioz 296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CORDER 408 DEALER Iksu 4338 AuIn Btvd. Island Park NY 11558 Tel 516/431-4127 516/594-9881 FEATURING UTEWEIGHT EMT CONDUIT TUBING & QUICK LOCK SUP ON FITTINGS NO TOOLS -S F1CLtJ51 I3WPI BxlO$96$130I 10x10$100$136I BREAKDOWN MODEL Fits In Cars& Can Shipped UPS Add Amounts Below Unit Price BxlO & lOxlO Flat 540 3/4 & $46 1 Bxl0 & lOxlO Peaked S35 314 & $46 P 10x20 Flat S64 3/4 & $73 P 10x20 Peaked 554 314 & $62 P F1NCLtDE I3/4l 8510$80SIlO lOalO$85$115 P3JP3EP41FCF3 ~yT 3/4-600 3/4400 34 650 3/4-400 3/4-600 3/4650 3/4750 P-800l8O01 9001 5001 800P900 P1000 P40 3/4 650 1900 P-30 CLASS FREE FLIGHT MODEL KIT $ 3395 POSTPAID $7 PSF 3/4-750 l-l000 FOOT PAD 3/4-6 50 P780 F03 3/4 6 00 P800 Hawk P-30 BY JOHN ODWYER WINNING SINCE 1982 REDI-CUT RIBS PREFORMED TUBE MFG BY MODEL AIRCRAFT LABS ItS LEE STREET IRVING TEXAS 75060 FOL 3/4-600 I-800 BUNGlE BALL 6 40 WE MAMJFAC1URE & STOOC SEVER AL OThER Se5TEi15 & HAVE FUI LHE OF ACCESEORIES ALL wiTh ThE VR400R #4 MW CALL FAX OR MAL US TO PLACE YOUR ORDER OR TO RECEWE YOUR FREE CATALOG SHIPPINGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee RC ElectricslKopski Continued page 119 handling B & T RC Products 2905 Guess Rd Suite 1 Durham NC 27705 Tel 919 471-2060 cell label indicating measured capacity know what youre getting read 330 numerical result based measurement methodology used car folks represents number seconds cell supported 20 amp load B & T will supply catalog/price list other batteries request just ordered some B & T SCRC packs own Thanks again friend John hes helped now perhaps well Bob Markle RJM Systems supplier Electric goodies including speed controls on/off controls wrote tell some recent changes Bob has just moved business new location some disruption normal service some delay filling existing orders Beyond however now looks like some orders never made Bob mail-forwarding process Bob acknowledges some inprocess customer paperwork got misplaced leaving him unable communicate persons youve some disconnect RiM please get touch Bob again RIM Systems 10117 Washington Ave North Huntingdon PA 15642 Tel 412 864-6123 November 93 column described accumulated experience SR Smart Charger indicated upgrade works SR now notifying registered owners upgrades availablity fact Ive just done factory SR now offers Smart Charger two versions Continued page 127 122 Model Aviation UPS 7 DAILY P41 3/4-600 l-900 POP UP CANOPIES $29900 lOxlO LIGHTWEIGHT $39900 lOxlO HEAVWVEIGHT Sets Up Less 30 Seconds No T00la Requwed Other Sizes 8x8 10x15 10x20 SAMS MODELS England NEW Scale Free FlIght Kits WIDGEON WESTLAND WIDGEON 241/4 $1495 also available Hawker Super Fury 211/2$2195 DH Chipmunk 2$1495 add $7 far airmail SAMS Chapel Sandon Buntingford HertS SG9 OQJ England GASPARIN C02 Motora now SAMS Note US Checks & Stamps valid UK VISA & Mastercard accepted 5-bills II Giants Help PromoteI HIGNon-CompetitiveI Al,, IMAA membership includes quarterly magazine High Flight MEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC I Name _________________________________________ Phone ___________________________ 5rt ______________________________________ P0 Box/Route Box ________________ City _______________________State/Province ________________Zip _________________ I IMAA __________AMA Number ____________MAAC __________Chapter __________ L TO IMAA Secretaiy DONE VINEYARD 205 HilIdolo Road na KS 67401 m lectricslKopski Continued page 122 original Standard version newer Deluxe model prices $29995 $34995 respectively plus $7 shipping handling separatelyavailable upgrade converts Standard Deluxe level can added time upgrade material available directly user $50 hipping handling factory installation $70 mong other things upgrade includes new panel overlay selfadhesive plate must attached exactly first time nervous owners may well opt factory installation includes complete going-over alignment Deluxe Smart Charger adds several features Standard version including ability charge up 36 cells instead 28 also adds OverTemp Charge Inhibit function assesses battery temperature before commence charging warns ahead time BEEP out its too hot start point have option setting charge rate will want charger will automatically determine pack has cooled sufficiently self-start charge chosen value Deluxe version also has Expanded Scale Voltmeter function designed determine charge remaining receiver transmitter packs test load current select determine its safe fly charger can safely fast-charge four-cell receiver packs Deluxe can also charge fivecell eight-cell transmitter packs Deluxe unit includes userselectable Low Voltage Warning level source fixed Standard version help further insure theres enough charge left car battery get home after happy Electric flying course both Standard Deluxe Chargers still include familiar features adjustable charge current up 5 amps excellent working peak detection system pack temperature monitor during charge safety maximum charge time set safety precision adjustable constant current cycling digital current meter reverse polarity protection smart cooling system internal fan runs needed etc under microprocessor control Both models employ temperature probe monitor battery temperature Except probe charger connections via Sermos connectors de facto connector standard US Electric scene Ive got em everything aspect Smart Charger really like works just super road Ive routinely charging way field Im ready fly get Implicit fact charger has functioning unaffected normal carbattery voltage variation occurs traveling whether steady speed highway stop-and-go traffic situations really appreciate ability effect increases time fly like charger much Im now looking see can fit second Smart Charger crowded van think Im going remove something else just make room Cold-weather flying relatively easy Electrics Ive flown near-zero conditions years no problems first flight first charge really day may below normal evidenced both flight power duration true colder packs such stored colder parts March 1994 127 Obechi Large Sheets Please cali 509-548-5201 send SASE 12306 Bergstrasse Leavenworth WA 98826 Rubber ft Engine Power Free Flight Diepley Control Line Electric Power RIC Airplenes new Illustrated 32 page tabloId else cetalog US ft Cenade *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanadale PA 19448 215- 3U4770 DISCOVER ELECTRIC RTP FLYING Catalog including Ballards imports $1 SKONK WORKS 1890 Foresfdale Ave Beavercreek OH 45432 513 429-2411 LOW WING PREDATOR $3995 &H Span 48 25 45 ht 2/e 31/2 lbs. Fully accrobatic fun fly t competition Will roll & turn w/in its own space qa Orders Call 1-800-645-KITS informetlon call eoe-445-1122 F 0 8cc 771 GENERIX East Windsor NJ 08525 Tomorrows Kits Affordable Priceaf Write Free Catalog $500 COD Custom Kit Cutters s Anyone Elses Camcorder Computer Cellular & Cordless Phones Batteries Gell Cells Lithium & Motorola Batteries Custom Battery Packs Authorized SA$YO Distributor STANDARD S2llCAPACITY ImAhIDIA HTWEIGHT Iozl PRICE N-SOAAA1/3AM503945910128 200 N-11OAA1/3M1105516500208150 N150NN15045311220328175 N-200AAAMA20039417200355200 N-270AA2/3M27055111610508150 N-600MM60054319450928150 N650SC1/2SUBC65086610161028300 KR-1300SCSUBC130086616541708 250 KR-2000CC200099219292478 450 KD-4400DD4400127223625308 800 HIGH CAPACITY N225AE 1/3A225 650 642042 300 KR600AE 2/3A600 6501094077 K1800ME 5431949005 250 KR1000AE 4/SA1000 6501654109 300 KR1100AAE 7/SM1100 5432530100 350 KR1200AE 0 6501909100 350 KR1400AE 0 6501909109 400 KR1700AE 4/3A1700 6502598140 KR1800SCE SUBC1800 8661654165 350 KR2800CE 0 9921929275 600 KR5000DEL 012722299528 895 FAST CHARGE N800AR 6501909116$ 300 Ni OCR2/3SUBC1000 8661299144 350 NL400SCR SUBC14008661654187 N1700SCRCSUBC17008661654190500 Specify Solder Tabs FREE Charge MATCHEDMATCHEDMATCHED PACKS PACKS PACKS 4N-5OAM$89512954N-O00AR$129516954KR15000C513951795 4N-11OM$79511954KR1000AE$129516954KR-18000CE$18002200 4N150N$ 895 12954KR1100ME$1795 21954N-1400SCR$1700 2100 4N-200AM$ 895 12954KR1200AE$1395 17954N-1700SCRC$1995 2395 4N-225AE$1295 16954KR1400AE$1695 20954KR2000C$2000 2400 4N-270M$ 795 11954KR-1700AE$1995 23954KR4480D$3400 3800 4N600M$ 89512954N-6505C .$139517954KR5O00DEL$42004600 4KR AAE$119515954N-10000CR$15951995 4KR-600AE$109514954KR-1300SC$11951595 S CELL RECEIYER PACKS order 6 volt Battery Pack add cost single cell 4 Cell Battery Pack FUTABAJ$400AIRTRONICS $400 FUIABAG$400JR/HITEC$400 MATCHEDMATCHED PACKS PACKS 8N600M$1595 19958N600M . 2 sticks 3 5 1995 8KR800MEirowofOM$2000 24008KRO00AAE1 sOck 2$2000 2400 2000 24009KR AAE volt2200 2600 2 square$1595 19959N600M3sticksof3 2200 p 6volt12AH$1200l2volt7OAII$1995 TNR Technical Inc 279 Douglas Avenue monte Springs FL 32714 682-4311 8003460601 Add $400 shipping & handling IAV 7% sales tax/or 17orida residentx rv 407 682-4469 DEALERS INQUIRIES WELCOME house know cause planes stored garage packs cold during winter months Flying usually returns normal second flight charge because pack will warm up first-flight use So youre up flying winter chill confident Electric too Besides flying fun can have can also enjoy chuckle watching wetpower crowd trying clean cold semi-solid glop planes days flying done So ends another column Please include SASE correspondence youd like reply Happy Electric landings everyone snow whatever lope SoaringlByors Continued page 111 Nonetheless 60-inch racing has gained popularity Greco has stepped offer model well-suited racers needs Greco s Jerilyn Schmidt sent press release documenting some Hurricanes features racer quick build inexpensive durable exactly what want whether racing slope pushing outside edge performance envelope aerobatic maneuvers wings made precision-cut white foam precut Obechi sheeting fast building Hurricane also employs composite materials added strength wing top-mounted straight wing single taper use flaperons allow great maneuverability 5D8000 fast turns well both characteristics important racing low drag high speeds good sink rate performance airfoil gives diversity fuselage built up balsa V-tail keep weight down Both have machine-cut easy assembly ship requires four channel microreceiver three microservosone servo tail servo wing specifications ship wingspan 60 inches wing area 345 inches fuselage length 31 inches weight 16 ounces wing loading 67 ounces per square foot root chord 75 inches tip chord 4 inches aspect ratio 1041 110 V tail Listed Price $80 information about Hurricane Grecos other kits please write PO Box 10 South Pasadena CA 91031 call 213 680-2070 during standard business hours Thanks Jerilyn sharing news Grecos Hurricane racers Model Aviation readers havent tried racing maybe now time get 60inch racer enter competition Continued page 134 128 Model Aviation BAlTERY STORE