GIANT ELECTRICS topic will open column youll remember promised last month time want share some remarkable accomplishments Elec tric flier Walt Kessler Afton NY first acquaintance Walt way back 84 85 attended KRC meet more-or-less ordinary Electric 1986 Walt showed up very large Electric pictured January 87 column still scaled-up Champ have matureread ancient RCer know what Champ plane has span 108 16-in chord Walts Champ weighed 20 lb yeah 320 oz motivated homemade motor turning 18 x 6 fan direct drive power source used 4000 mAh cells 10 Well Time has passed now Walt still BIG way photos shows what mean snapped pix last June Lehigh Valley meet lead plane same sev eral years ago Walt calls Big Boy has ac cumulated over 300 flights Since early days Walt has changed motors battery packs Included among hes tried two different 18-cell ones using 1800 mAh cells other 1200 mAh ones motors rewound computer drives Control via hefty microswitch plane just left Big Boy Butterflyand weighs mere 16 lb Scale job 1920 Joe Catto Span 7 ft 6 in with 22-in chord has accumulated over 250 flights Walt covers biggies Sig Koverall model far left Walts Old-Timer calls 17/71 Now name meaning cause Walt first built model age 17 powered Brown Jr old Wet power dont know built again age 71but Electric course eight-footer somewhat ordinary geared Astro cobalt 40 does hauling Walt uses 15 x 8 folder 18 1200 mAh cells make goand go has over 300 flights Now just case youre still really con vinced Walt truly serious about giant Elec trics can tell has least two other huge Electrics flying know new oneLittle Boy Blueready cover photo shows front end oneand yes thats Sullivan starter stuck nose Another photo shows some motors Ive testing says Walt Finally Walt has produced video showing works Folks dont let anyone tell ya Electric doesnt work cause feel virtually anything can flown Wet can Electra-flied No doubt will able see grand accomplishments 89 Electric Fly immediate genuine interest just what Master Giant Electric has done did try writing Walt RD 1 Box 549 Afton NY 13730 Last month included photo new gearbox Leisure writing can tell report its performance durability Ac cording February issue Ampeer newsletter Electric Fliers Only Union Lake MI new drive red holes Walt Kessler Afton NY loves experiment Giant Electrics Photo top shows fleet LR 17/71 Old-Timer Butterfly Big Boy Photo left Above new Little Boy Blue 8-ft span Power Sullivan starter Last photo Above R shows Walts power pile experimental electric motors Giant Electrics Some swing 18-in props 5000-6000 rpm direct drivel 50 Model Aviation Radio Conoi Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 Kopskis newest Electric Skyvolt Craft designed fly 100-200 watt 05 15 power systems Wing section NACA 2412 Large ailerons permit easy rolls low end power range Consecutive outside ioops easy cobalt 15 power Leisures new long gear box Sailpianes has new heavy gears heavy propeller shaft Three gear ratios available photo weighs 7 oz turns big folding props ground clipped hedges has used reduce prop diameter grinding prop pavement o ill effects drive unit way words actions attributed Dr Keith Shaw Also since writing last reference Ive opportunity see another Leisures new productsthe pictured herein candid didnt know extended-length gear drive available Well turns out Leisure has least three versions ratios drive standard well As might have guessed long gear box intended Sailplane instal lation too has new heavy output shaft gears course Leisure company responsible favorite Electrics Amptique may have seen AMAs film Diamonds Sky yellow trans parent Old-Timer another favorite Leisure Playboy May suggest yourselves fa vor write Leisure current catalog informa tion See Leisure ad issue look last column mailing info subject Amptique certainly regular readers know Ive picturing various Amptique derivatives over past year unusual modifications fine Electric design spirited crea tive modelers Well just show try both fair understanding want tell about recent letter another kind reader chose Amptique first Electric Gas flier years wanted try dry Howell Gwin Jr Beaumont TX tells effect plane did fly several sys tems Electric does work its him seems Howell Wet power man heart being true calling did ultimate das Continued page 158 VACUUM BAG UM BAG UM BAG UM BAG SUCKER-KIT manually controlled vacuum bag system makes lay up process combination foam & skins trouble free fast first time SUCKER-KIT$5995 VHS Show & Tell Video$3995 Add $400 shipping & handling MI residents add 45/a sales tax Send $100 SASE product list samples real wood veneer skins Our Product List Includes Gapless Arrow Shaft Hinges Carbon Tow Mylar Sheet High-Tech items Dealer Inquires Welcome SEND CHECK OR MONEY ORDER TO Box 866 Lapeer Ml 48446 313 664-3330 B&P Associates Gives Total Flight Line new electnc starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 WASHINGTON S AMA BASE. $ 54ecjupie Check day per night Minimum stay 2 mhts Free Parking Cars Free Full Breakfasts Free Merropass Sat Sun Free DC Area Map Free Harrington Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 1-800-424-8532 202 628 8140 June 1989 51 Composite Aircraft Eng & Supplypo IWpsks Great Planes Electrostreak wing structure shows minor modification glued punchouts ribs back Bob felt 015 oz extra weight total worlh extra strength obtained *AMA MEMBER RATE Tax included GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED NEW ELECTRIC Fly .. great stand-way-off scale fun ship designed 05 electric power can perform take-offs touch goes aerobatics beauty yet enjoy docile slow flight easy landings Quick easy build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying weight flat bottom airfoil rudder elevator motor add ailerons too 675 TOWER LANE SPECIAL COMBO PRICE $4795 YSTEMSWEST CHESTER PA 19380 BASIC KIT $24~IoRPoRATloN215~ about 150 milliounces Thats 015 oz So punched em back ribs Zapped em built wing Now just case anyone confused what seems like contradiction namely con stant encouragement build Electric light adding weight back let say sometimes actually time its matter preference and/or judgement case just felt better about rib strength/weight tradeoff expand bit its always blackand-white right-or-wrong matter exam ple its felt about 150 milliounces ribs other hand Electrostreak fuse lage loaded lots triangle-stock lumber can shaped prettilyand can just bet chopped away stuff Motto Light weight right place strength its needed Differences viewpoint what means accomplish may vary keep basic thought mind youre build ing Astro Model 112 constant-current charger now available new item replaces earlier model 102 DC/DC Super Charger costs about same $11995 October 88 Astro price list new model Astros other new models packaged very attractive rich looking sloping-panel box Since same knobs stuff old may first glance feel theyre electrically same theyre fact work much differently First some specs Astro 112 intended powered 12-volt auto battery de scribed being capable charging up 28 cells Its output current capability smoothly ad justable up 5 amps front panel lists rec ommended charge currents times cells 500 4000 mAh capacity instructions also describe using charger motor break-in charger equipped 15-minute windup time switch jacks plugging voltmeter monitor battery pack voltage wish sure constant-current means relatively speaking charge cur rent dial start charge will remain steady throughout charge time lot different having periodically readjust output control earlier model ba sically constant-voltage device charging keep current constant fact attribute reason behind modification articles September/October 1987 issues maga zine readers have happily reported sig nificant improvement Model 102 currentregulation performance published modifi cations Anyway Im looking forward both trying new 112 bench field near future Ill have detailed information including inside-out photos performance curves later issue Another Electric column coming time RC Report will coauthored Dr John Mountjoy Charlie Speartwo names un familiar column Both regular atten dees annual KRC meet Ive quite few photos appear over years such recent photo Charlie Electrified Coverite Pea Shooter January 89 Charlie Sylvia above-mentioned CS Flight Systems tells got quite few phone calls kit following appearance photo issue Anyway John tells Ill prob ably seeing fewer photos now hell using himself darn added some kind words about columns impact good kind Electric over years Thank John best wishes both new undertaking hope feel same fun sat isfaction sharing things Electric written way latest Electric yet unnamed pic tured photos 50-in model inContinued page 163 PROPS Worlds Largesf Range Fiberglass Carbon Fiber Props Sizes 1 /2A Quarter Scale @2 3 4 Blades Increased Availability 1989 Send SA SE Information TOM DIXON 1938 Peachtree Suite 401 Atlanta GA 30309 e0 / A-J INTERCEPTOR RTF *750 *596 Aw0~JUA AIRCRAFT COMPANY RO Box 68132 Portland OR 97268 IMPROVE YOUR 1991 SWITCH OVER eI Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER unavailable locally send Bru Line Industries Inc PO Box 3786 Center Line MI 48015 sufficient speed can very frustrating youre headed weeds just pulled elevator stick clear out transmit ter youll still have airplane left fly ducted fan competition some important courtesies observe test run engine pits competition under way poor guy whos flying cant hear thing nor can sure judges can hear him call maneuvers starting engines prior flight aware exhaust pointed jet ex haust velocity can easily reach 100 mph good distance behind model once Ive seen other modelers scramble grab air planes hats assorted debris being blown about ill-aimed ducted fan model Also have some consideration poor judges guys have power ruin whole trip treat respect Dont start screaming beast right front Most ducted-fan fliers now wear some type hear ing protectorsbut judges Believe An F-14 two OS engines turning 22000 rpm does purr hurts So start run up model respectable distance judges knows might help score AC Giant Scale/de Vries Continued page 59 ity should transcend exact scale function comes readily mind Hawker Fury handsome British biplane fighter Thirties Fury unique wheel shock absorber system shocks wheels ground shocks compressed center lines axle wheels coincident airborne however shocks extended centerline axle well above wheels centerlines Attempting duplicate feature model Giant size would exercise frustration internal shock absorbers would have duplicated minia ture formnot very practical bit construction final analysis idiosyncrasies par ticular prototype can uncovered really digging documentation information availableyouve just got dig out tend detail Giantpractically couple reminders IMAA Fly-In Odessa TX month June Giant Scale reenactment Schneider Cup Races November 10-12 latter Bob Martin chairman big seaplane address 1520 C Acoma Lane Lake Havasu City AZ 86403 publishing Schneider Cup News three-page newsletter chock-full valu CAT NO 106 Proof Switch Retail $995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax RC Electrics/Kopski Continued page 159 corporates NACA 2412 section full house Its about same size newer trainers Mirage Aero-lectric PT etc trainer its designed model accommodate power systems 100- 200-watt category perform accordingly Thus six- seven-cell systems supplied previously mentioned kits would suitable would cobalt 05 15 systems Oh will ever get away meaningless designators mo tor size battery compartment will hold corresponding packs So far Ive few flights terrible weather two different systems Astro ferrite 15 dozen 900 mAh cells Great Planes Gold Fire motor seven 1 200s flies very nicely info future So now its back building board just gotta finish yet-unfinished Electrostreak Please write and/or send photos Mail stuff di rectly address appears box-type logo very top column magazine Sending MA editorial offices just slows things down since somebody has forward Lansdale just have tell ya good feel about fact time reading spring will have sprung everywhere must make last announcement Boeing Hawks RC Fliers Kent WA has nounced Seventh Annual Electric Fly-In scheduled June 24-25 1989 Boeing Kent Space Center Field activi ties planned including prizes Most Acrobat ic Best Scale Longest Flight Class Sailplane AMA Event No 609 Best Multimotor information contact Bernard Cawley 29838 48th Ave S Auburn WA 98001 phone number 206 839-9157 Happy Springtime anytime Electric Landings RC Scale/Crooks Continued page 53 prop blast times have read story overweight underpowered Scale mas terpiece being horsed off runway clas sic stall/spin/crash maneuver Heres good news wont happen ducted fan Since no prop blast over elevator airplane will rotate climbing attitude until has SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUSTOM & STOCK PARTS VAILABLEINDIVIDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 519 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS A monthly publication covering International RC Soaring Scene US $l7yr 21/yr 1st Class Canada/Mexico $22/yr US funds Asia & Pacific S28/yr US funds Europeand UK $28/yr US funds Surface Mall Foreign $18/yr US funds RO SOARING DIGEST PO Box 1079 Payson AZ 85547 June 1989 163 OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS Iii IMMEDIATE SHIPMENT ON VISA/MC
Edition: Model Aviation - 1989/06
Page Numbers: 50, 51, 158, 159, 163
GIANT ELECTRICS topic will open column youll remember promised last month time want share some remarkable accomplishments Elec tric flier Walt Kessler Afton NY first acquaintance Walt way back 84 85 attended KRC meet more-or-less ordinary Electric 1986 Walt showed up very large Electric pictured January 87 column still scaled-up Champ have matureread ancient RCer know what Champ plane has span 108 16-in chord Walts Champ weighed 20 lb yeah 320 oz motivated homemade motor turning 18 x 6 fan direct drive power source used 4000 mAh cells 10 Well Time has passed now Walt still BIG way photos shows what mean snapped pix last June Lehigh Valley meet lead plane same sev eral years ago Walt calls Big Boy has ac cumulated over 300 flights Since early days Walt has changed motors battery packs Included among hes tried two different 18-cell ones using 1800 mAh cells other 1200 mAh ones motors rewound computer drives Control via hefty microswitch plane just left Big Boy Butterflyand weighs mere 16 lb Scale job 1920 Joe Catto Span 7 ft 6 in with 22-in chord has accumulated over 250 flights Walt covers biggies Sig Koverall model far left Walts Old-Timer calls 17/71 Now name meaning cause Walt first built model age 17 powered Brown Jr old Wet power dont know built again age 71but Electric course eight-footer somewhat ordinary geared Astro cobalt 40 does hauling Walt uses 15 x 8 folder 18 1200 mAh cells make goand go has over 300 flights Now just case youre still really con vinced Walt truly serious about giant Elec trics can tell has least two other huge Electrics flying know new oneLittle Boy Blueready cover photo shows front end oneand yes thats Sullivan starter stuck nose Another photo shows some motors Ive testing says Walt Finally Walt has produced video showing works Folks dont let anyone tell ya Electric doesnt work cause feel virtually anything can flown Wet can Electra-flied No doubt will able see grand accomplishments 89 Electric Fly immediate genuine interest just what Master Giant Electric has done did try writing Walt RD 1 Box 549 Afton NY 13730 Last month included photo new gearbox Leisure writing can tell report its performance durability Ac cording February issue Ampeer newsletter Electric Fliers Only Union Lake MI new drive red holes Walt Kessler Afton NY loves experiment Giant Electrics Photo top shows fleet LR 17/71 Old-Timer Butterfly Big Boy Photo left Above new Little Boy Blue 8-ft span Power Sullivan starter Last photo Above R shows Walts power pile experimental electric motors Giant Electrics Some swing 18-in props 5000-6000 rpm direct drivel 50 Model Aviation Radio Conoi Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 Kopskis newest Electric Skyvolt Craft designed fly 100-200 watt 05 15 power systems Wing section NACA 2412 Large ailerons permit easy rolls low end power range Consecutive outside ioops easy cobalt 15 power Leisures new long gear box Sailpianes has new heavy gears heavy propeller shaft Three gear ratios available photo weighs 7 oz turns big folding props ground clipped hedges has used reduce prop diameter grinding prop pavement o ill effects drive unit way words actions attributed Dr Keith Shaw Also since writing last reference Ive opportunity see another Leisures new productsthe pictured herein candid didnt know extended-length gear drive available Well turns out Leisure has least three versions ratios drive standard well As might have guessed long gear box intended Sailplane instal lation too has new heavy output shaft gears course Leisure company responsible favorite Electrics Amptique may have seen AMAs film Diamonds Sky yellow trans parent Old-Timer another favorite Leisure Playboy May suggest yourselves fa vor write Leisure current catalog informa tion See Leisure ad issue look last column mailing info subject Amptique certainly regular readers know Ive picturing various Amptique derivatives over past year unusual modifications fine Electric design spirited crea tive modelers Well just show try both fair understanding want tell about recent letter another kind reader chose Amptique first Electric Gas flier years wanted try dry Howell Gwin Jr Beaumont TX tells effect plane did fly several sys tems Electric does work its him seems Howell Wet power man heart being true calling did ultimate das Continued page 158 VACUUM BAG UM BAG UM BAG UM BAG SUCKER-KIT manually controlled vacuum bag system makes lay up process combination foam & skins trouble free fast first time SUCKER-KIT$5995 VHS Show & Tell Video$3995 Add $400 shipping & handling MI residents add 45/a sales tax Send $100 SASE product list samples real wood veneer skins Our Product List Includes Gapless Arrow Shaft Hinges Carbon Tow Mylar Sheet High-Tech items Dealer Inquires Welcome SEND CHECK OR MONEY ORDER TO Box 866 Lapeer Ml 48446 313 664-3330 B&P Associates Gives Total Flight Line new electnc starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 WASHINGTON S AMA BASE. $ 54ecjupie Check day per night Minimum stay 2 mhts Free Parking Cars Free Full Breakfasts Free Merropass Sat Sun Free DC Area Map Free Harrington Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 1-800-424-8532 202 628 8140 June 1989 51 Composite Aircraft Eng & Supplypo IWpsks Great Planes Electrostreak wing structure shows minor modification glued punchouts ribs back Bob felt 015 oz extra weight total worlh extra strength obtained *AMA MEMBER RATE Tax included GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED NEW ELECTRIC Fly .. great stand-way-off scale fun ship designed 05 electric power can perform take-offs touch goes aerobatics beauty yet enjoy docile slow flight easy landings Quick easy build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying weight flat bottom airfoil rudder elevator motor add ailerons too 675 TOWER LANE SPECIAL COMBO PRICE $4795 YSTEMSWEST CHESTER PA 19380 BASIC KIT $24~IoRPoRATloN215~ about 150 milliounces Thats 015 oz So punched em back ribs Zapped em built wing Now just case anyone confused what seems like contradiction namely con stant encouragement build Electric light adding weight back let say sometimes actually time its matter preference and/or judgement case just felt better about rib strength/weight tradeoff expand bit its always blackand-white right-or-wrong matter exam ple its felt about 150 milliounces ribs other hand Electrostreak fuse lage loaded lots triangle-stock lumber can shaped prettilyand can just bet chopped away stuff Motto Light weight right place strength its needed Differences viewpoint what means accomplish may vary keep basic thought mind youre build ing Astro Model 112 constant-current charger now available new item replaces earlier model 102 DC/DC Super Charger costs about same $11995 October 88 Astro price list new model Astros other new models packaged very attractive rich looking sloping-panel box Since same knobs stuff old may first glance feel theyre electrically same theyre fact work much differently First some specs Astro 112 intended powered 12-volt auto battery de scribed being capable charging up 28 cells Its output current capability smoothly ad justable up 5 amps front panel lists rec ommended charge currents times cells 500 4000 mAh capacity instructions also describe using charger motor break-in charger equipped 15-minute windup time switch jacks plugging voltmeter monitor battery pack voltage wish sure constant-current means relatively speaking charge cur rent dial start charge will remain steady throughout charge time lot different having periodically readjust output control earlier model ba sically constant-voltage device charging keep current constant fact attribute reason behind modification articles September/October 1987 issues maga zine readers have happily reported sig nificant improvement Model 102 currentregulation performance published modifi cations Anyway Im looking forward both trying new 112 bench field near future Ill have detailed information including inside-out photos performance curves later issue Another Electric column coming time RC Report will coauthored Dr John Mountjoy Charlie Speartwo names un familiar column Both regular atten dees annual KRC meet Ive quite few photos appear over years such recent photo Charlie Electrified Coverite Pea Shooter January 89 Charlie Sylvia above-mentioned CS Flight Systems tells got quite few phone calls kit following appearance photo issue Anyway John tells Ill prob ably seeing fewer photos now hell using himself darn added some kind words about columns impact good kind Electric over years Thank John best wishes both new undertaking hope feel same fun sat isfaction sharing things Electric written way latest Electric yet unnamed pic tured photos 50-in model inContinued page 163 PROPS Worlds Largesf Range Fiberglass Carbon Fiber Props Sizes 1 /2A Quarter Scale @2 3 4 Blades Increased Availability 1989 Send SA SE Information TOM DIXON 1938 Peachtree Suite 401 Atlanta GA 30309 e0 / A-J INTERCEPTOR RTF *750 *596 Aw0~JUA AIRCRAFT COMPANY RO Box 68132 Portland OR 97268 IMPROVE YOUR 1991 SWITCH OVER eI Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER unavailable locally send Bru Line Industries Inc PO Box 3786 Center Line MI 48015 sufficient speed can very frustrating youre headed weeds just pulled elevator stick clear out transmit ter youll still have airplane left fly ducted fan competition some important courtesies observe test run engine pits competition under way poor guy whos flying cant hear thing nor can sure judges can hear him call maneuvers starting engines prior flight aware exhaust pointed jet ex haust velocity can easily reach 100 mph good distance behind model once Ive seen other modelers scramble grab air planes hats assorted debris being blown about ill-aimed ducted fan model Also have some consideration poor judges guys have power ruin whole trip treat respect Dont start screaming beast right front Most ducted-fan fliers now wear some type hear ing protectorsbut judges Believe An F-14 two OS engines turning 22000 rpm does purr hurts So start run up model respectable distance judges knows might help score AC Giant Scale/de Vries Continued page 59 ity should transcend exact scale function comes readily mind Hawker Fury handsome British biplane fighter Thirties Fury unique wheel shock absorber system shocks wheels ground shocks compressed center lines axle wheels coincident airborne however shocks extended centerline axle well above wheels centerlines Attempting duplicate feature model Giant size would exercise frustration internal shock absorbers would have duplicated minia ture formnot very practical bit construction final analysis idiosyncrasies par ticular prototype can uncovered really digging documentation information availableyouve just got dig out tend detail Giantpractically couple reminders IMAA Fly-In Odessa TX month June Giant Scale reenactment Schneider Cup Races November 10-12 latter Bob Martin chairman big seaplane address 1520 C Acoma Lane Lake Havasu City AZ 86403 publishing Schneider Cup News three-page newsletter chock-full valu CAT NO 106 Proof Switch Retail $995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax RC Electrics/Kopski Continued page 159 corporates NACA 2412 section full house Its about same size newer trainers Mirage Aero-lectric PT etc trainer its designed model accommodate power systems 100- 200-watt category perform accordingly Thus six- seven-cell systems supplied previously mentioned kits would suitable would cobalt 05 15 systems Oh will ever get away meaningless designators mo tor size battery compartment will hold corresponding packs So far Ive few flights terrible weather two different systems Astro ferrite 15 dozen 900 mAh cells Great Planes Gold Fire motor seven 1 200s flies very nicely info future So now its back building board just gotta finish yet-unfinished Electrostreak Please write and/or send photos Mail stuff di rectly address appears box-type logo very top column magazine Sending MA editorial offices just slows things down since somebody has forward Lansdale just have tell ya good feel about fact time reading spring will have sprung everywhere must make last announcement Boeing Hawks RC Fliers Kent WA has nounced Seventh Annual Electric Fly-In scheduled June 24-25 1989 Boeing Kent Space Center Field activi ties planned including prizes Most Acrobat ic Best Scale Longest Flight Class Sailplane AMA Event No 609 Best Multimotor information contact Bernard Cawley 29838 48th Ave S Auburn WA 98001 phone number 206 839-9157 Happy Springtime anytime Electric Landings RC Scale/Crooks Continued page 53 prop blast times have read story overweight underpowered Scale mas terpiece being horsed off runway clas sic stall/spin/crash maneuver Heres good news wont happen ducted fan Since no prop blast over elevator airplane will rotate climbing attitude until has SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUSTOM & STOCK PARTS VAILABLEINDIVIDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 519 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS A monthly publication covering International RC Soaring Scene US $l7yr 21/yr 1st Class Canada/Mexico $22/yr US funds Asia & Pacific S28/yr US funds Europeand UK $28/yr US funds Surface Mall Foreign $18/yr US funds RO SOARING DIGEST PO Box 1079 Payson AZ 85547 June 1989 163 OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS Iii IMMEDIATE SHIPMENT ON VISA/MC
Edition: Model Aviation - 1989/06
Page Numbers: 50, 51, 158, 159, 163
GIANT ELECTRICS topic will open column youll remember promised last month time want share some remarkable accomplishments Elec tric flier Walt Kessler Afton NY first acquaintance Walt way back 84 85 attended KRC meet more-or-less ordinary Electric 1986 Walt showed up very large Electric pictured January 87 column still scaled-up Champ have matureread ancient RCer know what Champ plane has span 108 16-in chord Walts Champ weighed 20 lb yeah 320 oz motivated homemade motor turning 18 x 6 fan direct drive power source used 4000 mAh cells 10 Well Time has passed now Walt still BIG way photos shows what mean snapped pix last June Lehigh Valley meet lead plane same sev eral years ago Walt calls Big Boy has ac cumulated over 300 flights Since early days Walt has changed motors battery packs Included among hes tried two different 18-cell ones using 1800 mAh cells other 1200 mAh ones motors rewound computer drives Control via hefty microswitch plane just left Big Boy Butterflyand weighs mere 16 lb Scale job 1920 Joe Catto Span 7 ft 6 in with 22-in chord has accumulated over 250 flights Walt covers biggies Sig Koverall model far left Walts Old-Timer calls 17/71 Now name meaning cause Walt first built model age 17 powered Brown Jr old Wet power dont know built again age 71but Electric course eight-footer somewhat ordinary geared Astro cobalt 40 does hauling Walt uses 15 x 8 folder 18 1200 mAh cells make goand go has over 300 flights Now just case youre still really con vinced Walt truly serious about giant Elec trics can tell has least two other huge Electrics flying know new oneLittle Boy Blueready cover photo shows front end oneand yes thats Sullivan starter stuck nose Another photo shows some motors Ive testing says Walt Finally Walt has produced video showing works Folks dont let anyone tell ya Electric doesnt work cause feel virtually anything can flown Wet can Electra-flied No doubt will able see grand accomplishments 89 Electric Fly immediate genuine interest just what Master Giant Electric has done did try writing Walt RD 1 Box 549 Afton NY 13730 Last month included photo new gearbox Leisure writing can tell report its performance durability Ac cording February issue Ampeer newsletter Electric Fliers Only Union Lake MI new drive red holes Walt Kessler Afton NY loves experiment Giant Electrics Photo top shows fleet LR 17/71 Old-Timer Butterfly Big Boy Photo left Above new Little Boy Blue 8-ft span Power Sullivan starter Last photo Above R shows Walts power pile experimental electric motors Giant Electrics Some swing 18-in props 5000-6000 rpm direct drivel 50 Model Aviation Radio Conoi Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 Kopskis newest Electric Skyvolt Craft designed fly 100-200 watt 05 15 power systems Wing section NACA 2412 Large ailerons permit easy rolls low end power range Consecutive outside ioops easy cobalt 15 power Leisures new long gear box Sailpianes has new heavy gears heavy propeller shaft Three gear ratios available photo weighs 7 oz turns big folding props ground clipped hedges has used reduce prop diameter grinding prop pavement o ill effects drive unit way words actions attributed Dr Keith Shaw Also since writing last reference Ive opportunity see another Leisures new productsthe pictured herein candid didnt know extended-length gear drive available Well turns out Leisure has least three versions ratios drive standard well As might have guessed long gear box intended Sailplane instal lation too has new heavy output shaft gears course Leisure company responsible favorite Electrics Amptique may have seen AMAs film Diamonds Sky yellow trans parent Old-Timer another favorite Leisure Playboy May suggest yourselves fa vor write Leisure current catalog informa tion See Leisure ad issue look last column mailing info subject Amptique certainly regular readers know Ive picturing various Amptique derivatives over past year unusual modifications fine Electric design spirited crea tive modelers Well just show try both fair understanding want tell about recent letter another kind reader chose Amptique first Electric Gas flier years wanted try dry Howell Gwin Jr Beaumont TX tells effect plane did fly several sys tems Electric does work its him seems Howell Wet power man heart being true calling did ultimate das Continued page 158 VACUUM BAG UM BAG UM BAG UM BAG SUCKER-KIT manually controlled vacuum bag system makes lay up process combination foam & skins trouble free fast first time SUCKER-KIT$5995 VHS Show & Tell Video$3995 Add $400 shipping & handling MI residents add 45/a sales tax Send $100 SASE product list samples real wood veneer skins Our Product List Includes Gapless Arrow Shaft Hinges Carbon Tow Mylar Sheet High-Tech items Dealer Inquires Welcome SEND CHECK OR MONEY ORDER TO Box 866 Lapeer Ml 48446 313 664-3330 B&P Associates Gives Total Flight Line new electnc starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 WASHINGTON S AMA BASE. $ 54ecjupie Check day per night Minimum stay 2 mhts Free Parking Cars Free Full Breakfasts Free Merropass Sat Sun Free DC Area Map Free Harrington Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 1-800-424-8532 202 628 8140 June 1989 51 Composite Aircraft Eng & Supplypo IWpsks Great Planes Electrostreak wing structure shows minor modification glued punchouts ribs back Bob felt 015 oz extra weight total worlh extra strength obtained *AMA MEMBER RATE Tax included GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED NEW ELECTRIC Fly .. great stand-way-off scale fun ship designed 05 electric power can perform take-offs touch goes aerobatics beauty yet enjoy docile slow flight easy landings Quick easy build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying weight flat bottom airfoil rudder elevator motor add ailerons too 675 TOWER LANE SPECIAL COMBO PRICE $4795 YSTEMSWEST CHESTER PA 19380 BASIC KIT $24~IoRPoRATloN215~ about 150 milliounces Thats 015 oz So punched em back ribs Zapped em built wing Now just case anyone confused what seems like contradiction namely con stant encouragement build Electric light adding weight back let say sometimes actually time its matter preference and/or judgement case just felt better about rib strength/weight tradeoff expand bit its always blackand-white right-or-wrong matter exam ple its felt about 150 milliounces ribs other hand Electrostreak fuse lage loaded lots triangle-stock lumber can shaped prettilyand can just bet chopped away stuff Motto Light weight right place strength its needed Differences viewpoint what means accomplish may vary keep basic thought mind youre build ing Astro Model 112 constant-current charger now available new item replaces earlier model 102 DC/DC Super Charger costs about same $11995 October 88 Astro price list new model Astros other new models packaged very attractive rich looking sloping-panel box Since same knobs stuff old may first glance feel theyre electrically same theyre fact work much differently First some specs Astro 112 intended powered 12-volt auto battery de scribed being capable charging up 28 cells Its output current capability smoothly ad justable up 5 amps front panel lists rec ommended charge currents times cells 500 4000 mAh capacity instructions also describe using charger motor break-in charger equipped 15-minute windup time switch jacks plugging voltmeter monitor battery pack voltage wish sure constant-current means relatively speaking charge cur rent dial start charge will remain steady throughout charge time lot different having periodically readjust output control earlier model ba sically constant-voltage device charging keep current constant fact attribute reason behind modification articles September/October 1987 issues maga zine readers have happily reported sig nificant improvement Model 102 currentregulation performance published modifi cations Anyway Im looking forward both trying new 112 bench field near future Ill have detailed information including inside-out photos performance curves later issue Another Electric column coming time RC Report will coauthored Dr John Mountjoy Charlie Speartwo names un familiar column Both regular atten dees annual KRC meet Ive quite few photos appear over years such recent photo Charlie Electrified Coverite Pea Shooter January 89 Charlie Sylvia above-mentioned CS Flight Systems tells got quite few phone calls kit following appearance photo issue Anyway John tells Ill prob ably seeing fewer photos now hell using himself darn added some kind words about columns impact good kind Electric over years Thank John best wishes both new undertaking hope feel same fun sat isfaction sharing things Electric written way latest Electric yet unnamed pic tured photos 50-in model inContinued page 163 PROPS Worlds Largesf Range Fiberglass Carbon Fiber Props Sizes 1 /2A Quarter Scale @2 3 4 Blades Increased Availability 1989 Send SA SE Information TOM DIXON 1938 Peachtree Suite 401 Atlanta GA 30309 e0 / A-J INTERCEPTOR RTF *750 *596 Aw0~JUA AIRCRAFT COMPANY RO Box 68132 Portland OR 97268 IMPROVE YOUR 1991 SWITCH OVER eI Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER unavailable locally send Bru Line Industries Inc PO Box 3786 Center Line MI 48015 sufficient speed can very frustrating youre headed weeds just pulled elevator stick clear out transmit ter youll still have airplane left fly ducted fan competition some important courtesies observe test run engine pits competition under way poor guy whos flying cant hear thing nor can sure judges can hear him call maneuvers starting engines prior flight aware exhaust pointed jet ex haust velocity can easily reach 100 mph good distance behind model once Ive seen other modelers scramble grab air planes hats assorted debris being blown about ill-aimed ducted fan model Also have some consideration poor judges guys have power ruin whole trip treat respect Dont start screaming beast right front Most ducted-fan fliers now wear some type hear ing protectorsbut judges Believe An F-14 two OS engines turning 22000 rpm does purr hurts So start run up model respectable distance judges knows might help score AC Giant Scale/de Vries Continued page 59 ity should transcend exact scale function comes readily mind Hawker Fury handsome British biplane fighter Thirties Fury unique wheel shock absorber system shocks wheels ground shocks compressed center lines axle wheels coincident airborne however shocks extended centerline axle well above wheels centerlines Attempting duplicate feature model Giant size would exercise frustration internal shock absorbers would have duplicated minia ture formnot very practical bit construction final analysis idiosyncrasies par ticular prototype can uncovered really digging documentation information availableyouve just got dig out tend detail Giantpractically couple reminders IMAA Fly-In Odessa TX month June Giant Scale reenactment Schneider Cup Races November 10-12 latter Bob Martin chairman big seaplane address 1520 C Acoma Lane Lake Havasu City AZ 86403 publishing Schneider Cup News three-page newsletter chock-full valu CAT NO 106 Proof Switch Retail $995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax RC Electrics/Kopski Continued page 159 corporates NACA 2412 section full house Its about same size newer trainers Mirage Aero-lectric PT etc trainer its designed model accommodate power systems 100- 200-watt category perform accordingly Thus six- seven-cell systems supplied previously mentioned kits would suitable would cobalt 05 15 systems Oh will ever get away meaningless designators mo tor size battery compartment will hold corresponding packs So far Ive few flights terrible weather two different systems Astro ferrite 15 dozen 900 mAh cells Great Planes Gold Fire motor seven 1 200s flies very nicely info future So now its back building board just gotta finish yet-unfinished Electrostreak Please write and/or send photos Mail stuff di rectly address appears box-type logo very top column magazine Sending MA editorial offices just slows things down since somebody has forward Lansdale just have tell ya good feel about fact time reading spring will have sprung everywhere must make last announcement Boeing Hawks RC Fliers Kent WA has nounced Seventh Annual Electric Fly-In scheduled June 24-25 1989 Boeing Kent Space Center Field activi ties planned including prizes Most Acrobat ic Best Scale Longest Flight Class Sailplane AMA Event No 609 Best Multimotor information contact Bernard Cawley 29838 48th Ave S Auburn WA 98001 phone number 206 839-9157 Happy Springtime anytime Electric Landings RC Scale/Crooks Continued page 53 prop blast times have read story overweight underpowered Scale mas terpiece being horsed off runway clas sic stall/spin/crash maneuver Heres good news wont happen ducted fan Since no prop blast over elevator airplane will rotate climbing attitude until has SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUSTOM & STOCK PARTS VAILABLEINDIVIDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 519 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS A monthly publication covering International RC Soaring Scene US $l7yr 21/yr 1st Class Canada/Mexico $22/yr US funds Asia & Pacific S28/yr US funds Europeand UK $28/yr US funds Surface Mall Foreign $18/yr US funds RO SOARING DIGEST PO Box 1079 Payson AZ 85547 June 1989 163 OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS Iii IMMEDIATE SHIPMENT ON VISA/MC
Edition: Model Aviation - 1989/06
Page Numbers: 50, 51, 158, 159, 163
GIANT ELECTRICS topic will open column youll remember promised last month time want share some remarkable accomplishments Elec tric flier Walt Kessler Afton NY first acquaintance Walt way back 84 85 attended KRC meet more-or-less ordinary Electric 1986 Walt showed up very large Electric pictured January 87 column still scaled-up Champ have matureread ancient RCer know what Champ plane has span 108 16-in chord Walts Champ weighed 20 lb yeah 320 oz motivated homemade motor turning 18 x 6 fan direct drive power source used 4000 mAh cells 10 Well Time has passed now Walt still BIG way photos shows what mean snapped pix last June Lehigh Valley meet lead plane same sev eral years ago Walt calls Big Boy has ac cumulated over 300 flights Since early days Walt has changed motors battery packs Included among hes tried two different 18-cell ones using 1800 mAh cells other 1200 mAh ones motors rewound computer drives Control via hefty microswitch plane just left Big Boy Butterflyand weighs mere 16 lb Scale job 1920 Joe Catto Span 7 ft 6 in with 22-in chord has accumulated over 250 flights Walt covers biggies Sig Koverall model far left Walts Old-Timer calls 17/71 Now name meaning cause Walt first built model age 17 powered Brown Jr old Wet power dont know built again age 71but Electric course eight-footer somewhat ordinary geared Astro cobalt 40 does hauling Walt uses 15 x 8 folder 18 1200 mAh cells make goand go has over 300 flights Now just case youre still really con vinced Walt truly serious about giant Elec trics can tell has least two other huge Electrics flying know new oneLittle Boy Blueready cover photo shows front end oneand yes thats Sullivan starter stuck nose Another photo shows some motors Ive testing says Walt Finally Walt has produced video showing works Folks dont let anyone tell ya Electric doesnt work cause feel virtually anything can flown Wet can Electra-flied No doubt will able see grand accomplishments 89 Electric Fly immediate genuine interest just what Master Giant Electric has done did try writing Walt RD 1 Box 549 Afton NY 13730 Last month included photo new gearbox Leisure writing can tell report its performance durability Ac cording February issue Ampeer newsletter Electric Fliers Only Union Lake MI new drive red holes Walt Kessler Afton NY loves experiment Giant Electrics Photo top shows fleet LR 17/71 Old-Timer Butterfly Big Boy Photo left Above new Little Boy Blue 8-ft span Power Sullivan starter Last photo Above R shows Walts power pile experimental electric motors Giant Electrics Some swing 18-in props 5000-6000 rpm direct drivel 50 Model Aviation Radio Conoi Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 Kopskis newest Electric Skyvolt Craft designed fly 100-200 watt 05 15 power systems Wing section NACA 2412 Large ailerons permit easy rolls low end power range Consecutive outside ioops easy cobalt 15 power Leisures new long gear box Sailpianes has new heavy gears heavy propeller shaft Three gear ratios available photo weighs 7 oz turns big folding props ground clipped hedges has used reduce prop diameter grinding prop pavement o ill effects drive unit way words actions attributed Dr Keith Shaw Also since writing last reference Ive opportunity see another Leisures new productsthe pictured herein candid didnt know extended-length gear drive available Well turns out Leisure has least three versions ratios drive standard well As might have guessed long gear box intended Sailplane instal lation too has new heavy output shaft gears course Leisure company responsible favorite Electrics Amptique may have seen AMAs film Diamonds Sky yellow trans parent Old-Timer another favorite Leisure Playboy May suggest yourselves fa vor write Leisure current catalog informa tion See Leisure ad issue look last column mailing info subject Amptique certainly regular readers know Ive picturing various Amptique derivatives over past year unusual modifications fine Electric design spirited crea tive modelers Well just show try both fair understanding want tell about recent letter another kind reader chose Amptique first Electric Gas flier years wanted try dry Howell Gwin Jr Beaumont TX tells effect plane did fly several sys tems Electric does work its him seems Howell Wet power man heart being true calling did ultimate das Continued page 158 VACUUM BAG UM BAG UM BAG UM BAG SUCKER-KIT manually controlled vacuum bag system makes lay up process combination foam & skins trouble free fast first time SUCKER-KIT$5995 VHS Show & Tell Video$3995 Add $400 shipping & handling MI residents add 45/a sales tax Send $100 SASE product list samples real wood veneer skins Our Product List Includes Gapless Arrow Shaft Hinges Carbon Tow Mylar Sheet High-Tech items Dealer Inquires Welcome SEND CHECK OR MONEY ORDER TO Box 866 Lapeer Ml 48446 313 664-3330 B&P Associates Gives Total Flight Line new electnc starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 WASHINGTON S AMA BASE. $ 54ecjupie Check day per night Minimum stay 2 mhts Free Parking Cars Free Full Breakfasts Free Merropass Sat Sun Free DC Area Map Free Harrington Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 1-800-424-8532 202 628 8140 June 1989 51 Composite Aircraft Eng & Supplypo IWpsks Great Planes Electrostreak wing structure shows minor modification glued punchouts ribs back Bob felt 015 oz extra weight total worlh extra strength obtained *AMA MEMBER RATE Tax included GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED NEW ELECTRIC Fly .. great stand-way-off scale fun ship designed 05 electric power can perform take-offs touch goes aerobatics beauty yet enjoy docile slow flight easy landings Quick easy build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying weight flat bottom airfoil rudder elevator motor add ailerons too 675 TOWER LANE SPECIAL COMBO PRICE $4795 YSTEMSWEST CHESTER PA 19380 BASIC KIT $24~IoRPoRATloN215~ about 150 milliounces Thats 015 oz So punched em back ribs Zapped em built wing Now just case anyone confused what seems like contradiction namely con stant encouragement build Electric light adding weight back let say sometimes actually time its matter preference and/or judgement case just felt better about rib strength/weight tradeoff expand bit its always blackand-white right-or-wrong matter exam ple its felt about 150 milliounces ribs other hand Electrostreak fuse lage loaded lots triangle-stock lumber can shaped prettilyand can just bet chopped away stuff Motto Light weight right place strength its needed Differences viewpoint what means accomplish may vary keep basic thought mind youre build ing Astro Model 112 constant-current charger now available new item replaces earlier model 102 DC/DC Super Charger costs about same $11995 October 88 Astro price list new model Astros other new models packaged very attractive rich looking sloping-panel box Since same knobs stuff old may first glance feel theyre electrically same theyre fact work much differently First some specs Astro 112 intended powered 12-volt auto battery de scribed being capable charging up 28 cells Its output current capability smoothly ad justable up 5 amps front panel lists rec ommended charge currents times cells 500 4000 mAh capacity instructions also describe using charger motor break-in charger equipped 15-minute windup time switch jacks plugging voltmeter monitor battery pack voltage wish sure constant-current means relatively speaking charge cur rent dial start charge will remain steady throughout charge time lot different having periodically readjust output control earlier model ba sically constant-voltage device charging keep current constant fact attribute reason behind modification articles September/October 1987 issues maga zine readers have happily reported sig nificant improvement Model 102 currentregulation performance published modifi cations Anyway Im looking forward both trying new 112 bench field near future Ill have detailed information including inside-out photos performance curves later issue Another Electric column coming time RC Report will coauthored Dr John Mountjoy Charlie Speartwo names un familiar column Both regular atten dees annual KRC meet Ive quite few photos appear over years such recent photo Charlie Electrified Coverite Pea Shooter January 89 Charlie Sylvia above-mentioned CS Flight Systems tells got quite few phone calls kit following appearance photo issue Anyway John tells Ill prob ably seeing fewer photos now hell using himself darn added some kind words about columns impact good kind Electric over years Thank John best wishes both new undertaking hope feel same fun sat isfaction sharing things Electric written way latest Electric yet unnamed pic tured photos 50-in model inContinued page 163 PROPS Worlds Largesf Range Fiberglass Carbon Fiber Props Sizes 1 /2A Quarter Scale @2 3 4 Blades Increased Availability 1989 Send SA SE Information TOM DIXON 1938 Peachtree Suite 401 Atlanta GA 30309 e0 / A-J INTERCEPTOR RTF *750 *596 Aw0~JUA AIRCRAFT COMPANY RO Box 68132 Portland OR 97268 IMPROVE YOUR 1991 SWITCH OVER eI Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER unavailable locally send Bru Line Industries Inc PO Box 3786 Center Line MI 48015 sufficient speed can very frustrating youre headed weeds just pulled elevator stick clear out transmit ter youll still have airplane left fly ducted fan competition some important courtesies observe test run engine pits competition under way poor guy whos flying cant hear thing nor can sure judges can hear him call maneuvers starting engines prior flight aware exhaust pointed jet ex haust velocity can easily reach 100 mph good distance behind model once Ive seen other modelers scramble grab air planes hats assorted debris being blown about ill-aimed ducted fan model Also have some consideration poor judges guys have power ruin whole trip treat respect Dont start screaming beast right front Most ducted-fan fliers now wear some type hear ing protectorsbut judges Believe An F-14 two OS engines turning 22000 rpm does purr hurts So start run up model respectable distance judges knows might help score AC Giant Scale/de Vries Continued page 59 ity should transcend exact scale function comes readily mind Hawker Fury handsome British biplane fighter Thirties Fury unique wheel shock absorber system shocks wheels ground shocks compressed center lines axle wheels coincident airborne however shocks extended centerline axle well above wheels centerlines Attempting duplicate feature model Giant size would exercise frustration internal shock absorbers would have duplicated minia ture formnot very practical bit construction final analysis idiosyncrasies par ticular prototype can uncovered really digging documentation information availableyouve just got dig out tend detail Giantpractically couple reminders IMAA Fly-In Odessa TX month June Giant Scale reenactment Schneider Cup Races November 10-12 latter Bob Martin chairman big seaplane address 1520 C Acoma Lane Lake Havasu City AZ 86403 publishing Schneider Cup News three-page newsletter chock-full valu CAT NO 106 Proof Switch Retail $995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax RC Electrics/Kopski Continued page 159 corporates NACA 2412 section full house Its about same size newer trainers Mirage Aero-lectric PT etc trainer its designed model accommodate power systems 100- 200-watt category perform accordingly Thus six- seven-cell systems supplied previously mentioned kits would suitable would cobalt 05 15 systems Oh will ever get away meaningless designators mo tor size battery compartment will hold corresponding packs So far Ive few flights terrible weather two different systems Astro ferrite 15 dozen 900 mAh cells Great Planes Gold Fire motor seven 1 200s flies very nicely info future So now its back building board just gotta finish yet-unfinished Electrostreak Please write and/or send photos Mail stuff di rectly address appears box-type logo very top column magazine Sending MA editorial offices just slows things down since somebody has forward Lansdale just have tell ya good feel about fact time reading spring will have sprung everywhere must make last announcement Boeing Hawks RC Fliers Kent WA has nounced Seventh Annual Electric Fly-In scheduled June 24-25 1989 Boeing Kent Space Center Field activi ties planned including prizes Most Acrobat ic Best Scale Longest Flight Class Sailplane AMA Event No 609 Best Multimotor information contact Bernard Cawley 29838 48th Ave S Auburn WA 98001 phone number 206 839-9157 Happy Springtime anytime Electric Landings RC Scale/Crooks Continued page 53 prop blast times have read story overweight underpowered Scale mas terpiece being horsed off runway clas sic stall/spin/crash maneuver Heres good news wont happen ducted fan Since no prop blast over elevator airplane will rotate climbing attitude until has SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUSTOM & STOCK PARTS VAILABLEINDIVIDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 519 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS A monthly publication covering International RC Soaring Scene US $l7yr 21/yr 1st Class Canada/Mexico $22/yr US funds Asia & Pacific S28/yr US funds Europeand UK $28/yr US funds Surface Mall Foreign $18/yr US funds RO SOARING DIGEST PO Box 1079 Payson AZ 85547 June 1989 163 OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS Iii IMMEDIATE SHIPMENT ON VISA/MC
Edition: Model Aviation - 1989/06
Page Numbers: 50, 51, 158, 159, 163
GIANT ELECTRICS topic will open column youll remember promised last month time want share some remarkable accomplishments Elec tric flier Walt Kessler Afton NY first acquaintance Walt way back 84 85 attended KRC meet more-or-less ordinary Electric 1986 Walt showed up very large Electric pictured January 87 column still scaled-up Champ have matureread ancient RCer know what Champ plane has span 108 16-in chord Walts Champ weighed 20 lb yeah 320 oz motivated homemade motor turning 18 x 6 fan direct drive power source used 4000 mAh cells 10 Well Time has passed now Walt still BIG way photos shows what mean snapped pix last June Lehigh Valley meet lead plane same sev eral years ago Walt calls Big Boy has ac cumulated over 300 flights Since early days Walt has changed motors battery packs Included among hes tried two different 18-cell ones using 1800 mAh cells other 1200 mAh ones motors rewound computer drives Control via hefty microswitch plane just left Big Boy Butterflyand weighs mere 16 lb Scale job 1920 Joe Catto Span 7 ft 6 in with 22-in chord has accumulated over 250 flights Walt covers biggies Sig Koverall model far left Walts Old-Timer calls 17/71 Now name meaning cause Walt first built model age 17 powered Brown Jr old Wet power dont know built again age 71but Electric course eight-footer somewhat ordinary geared Astro cobalt 40 does hauling Walt uses 15 x 8 folder 18 1200 mAh cells make goand go has over 300 flights Now just case youre still really con vinced Walt truly serious about giant Elec trics can tell has least two other huge Electrics flying know new oneLittle Boy Blueready cover photo shows front end oneand yes thats Sullivan starter stuck nose Another photo shows some motors Ive testing says Walt Finally Walt has produced video showing works Folks dont let anyone tell ya Electric doesnt work cause feel virtually anything can flown Wet can Electra-flied No doubt will able see grand accomplishments 89 Electric Fly immediate genuine interest just what Master Giant Electric has done did try writing Walt RD 1 Box 549 Afton NY 13730 Last month included photo new gearbox Leisure writing can tell report its performance durability Ac cording February issue Ampeer newsletter Electric Fliers Only Union Lake MI new drive red holes Walt Kessler Afton NY loves experiment Giant Electrics Photo top shows fleet LR 17/71 Old-Timer Butterfly Big Boy Photo left Above new Little Boy Blue 8-ft span Power Sullivan starter Last photo Above R shows Walts power pile experimental electric motors Giant Electrics Some swing 18-in props 5000-6000 rpm direct drivel 50 Model Aviation Radio Conoi Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 Kopskis newest Electric Skyvolt Craft designed fly 100-200 watt 05 15 power systems Wing section NACA 2412 Large ailerons permit easy rolls low end power range Consecutive outside ioops easy cobalt 15 power Leisures new long gear box Sailpianes has new heavy gears heavy propeller shaft Three gear ratios available photo weighs 7 oz turns big folding props ground clipped hedges has used reduce prop diameter grinding prop pavement o ill effects drive unit way words actions attributed Dr Keith Shaw Also since writing last reference Ive opportunity see another Leisures new productsthe pictured herein candid didnt know extended-length gear drive available Well turns out Leisure has least three versions ratios drive standard well As might have guessed long gear box intended Sailplane instal lation too has new heavy output shaft gears course Leisure company responsible favorite Electrics Amptique may have seen AMAs film Diamonds Sky yellow trans parent Old-Timer another favorite Leisure Playboy May suggest yourselves fa vor write Leisure current catalog informa tion See Leisure ad issue look last column mailing info subject Amptique certainly regular readers know Ive picturing various Amptique derivatives over past year unusual modifications fine Electric design spirited crea tive modelers Well just show try both fair understanding want tell about recent letter another kind reader chose Amptique first Electric Gas flier years wanted try dry Howell Gwin Jr Beaumont TX tells effect plane did fly several sys tems Electric does work its him seems Howell Wet power man heart being true calling did ultimate das Continued page 158 VACUUM BAG UM BAG UM BAG UM BAG SUCKER-KIT manually controlled vacuum bag system makes lay up process combination foam & skins trouble free fast first time SUCKER-KIT$5995 VHS Show & Tell Video$3995 Add $400 shipping & handling MI residents add 45/a sales tax Send $100 SASE product list samples real wood veneer skins Our Product List Includes Gapless Arrow Shaft Hinges Carbon Tow Mylar Sheet High-Tech items Dealer Inquires Welcome SEND CHECK OR MONEY ORDER TO Box 866 Lapeer Ml 48446 313 664-3330 B&P Associates Gives Total Flight Line new electnc starter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have Ni-Cads virtually size imaginable cut experimenter free design whatever takes make yours best setup field battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 WASHINGTON S AMA BASE. $ 54ecjupie Check day per night Minimum stay 2 mhts Free Parking Cars Free Full Breakfasts Free Merropass Sat Sun Free DC Area Map Free Harrington Hawk Cafeteria & Cafe 11th & E Streets NW Washington DC 20004 1-800-424-8532 202 628 8140 June 1989 51 Composite Aircraft Eng & Supplypo IWpsks Great Planes Electrostreak wing structure shows minor modification glued punchouts ribs back Bob felt 015 oz extra weight total worlh extra strength obtained *AMA MEMBER RATE Tax included GATOR RIC PRODUCTS DELUX ALL BALSA KIT An new Tiger Tail 120 four strokes piped 60 two strokes beautiful performer competition just showing offl balsa kit machined wood parts complete hardware package includes plug-in djustable stab parts new wing mounts Wing Span -72 InWing Area 860 sq Complete Delus KitSi 5995 TRANSMITTER CASE An inexpensive rugged molded case protect expensive transmitter both two stick single stick transmitters Black leather grain aluminum trim locking clasp S 1995 MV-i TYPHOON New F3A competition Big beautiful flyer balsa construction plug-in wings 120 four stroke 60 two stroke power Plans-two sheetsS1495 Fiberglass cowlSi 895 Clear butyrate canopy 5 OTHER PLANS Tiger Tail 4S-two sheets 120 four strokes S 1495 TAR baby 120 four strokes S 1195 Alley Kat 40 size trainer sport S B95 Gator Flea 40 size sport S 895 Bobcat 40 size sport S 895 GATOR SOFT MOUNTS COMPLETE SOFT MOUNTS INCLUDES ALL HARDWARE Optimized lowest vibration transmission airframe minimizing engine shake Available YS-60 OS-6051495 SOFT MOUNT COMPONENTS 4-lug Mounting Plate 606 I-T-6 black anodized Undrilled Drilled YS60 OS-60. S695 Rubber Iso-Mounts 518 diameter 112 long 8-32 female end 8-32 x 112 male other end Specify soft 50 durometeryelIow firm 60 durometer-purple Each. S3OOPkg 014 5995 feather Ilte glass cloth 7 ozsq yd est weave Fastest Filling est Finished Weight Big 3 Sq Yard Pkg Detailed Instructions $895 Include S2 SOiltem UPS esidents Add 6% Sales Tax GATOR RIC PRODUCTS 3713 Pompano Dr acola FL 32514 476-8639 original landing gear left intact slightly bent Recovering refinishing done conventional manner Koverall fabric ni trate dope foregoing rather superfcial relating basic restoration steps necessarily omits host interesting details about Construction pioneer Gas model Plainly designers/builders drew heavily upon own judgement engineering skills fact DH flew flew well survived over half century testimonial abili ties August column will feature new Douglas Hardware model constructed master crafts man Ralph Beck also built Hangar 13 Special featured December 1987 issue cant wait Ralphs address RR #2 Box 131 Beloit WI 53511 can likely help truly interested person obtain working drawings Did know Joe Butler Granbury TX recently sent photos Ole Reliable fea tured construction article June 1978 sue MA available Full-Size Plan No 225$425 Smog Hog airfoil section letter called attention wild piece other model magazine accompanied construction article new Old-Timer hav ing wing loading 15 oz/sq ft protect author quote source Most us old geezers know prop erly balance aircraft However benefit new modelers following method use Mark underside wing next cabin windows dot corresponding CG position shown plans Place index fingers dots lift aircraft aircroft balanced hangs slightly 100 120 nose down Emphasis added Son gun years thought meant model nose-heavy truly age enlightenment RC Electrics/Kopski Continued page 51 tardly deed Wet-powered Amptique read right Howell Wet-powered Amp tique calls OStique Mercy What world coming What can say about Modeling funand doesnt really mat ter get need now someone send photo rubber-powered Amptique Lets see what might name about Elastique Some new connectors available CS Flight Systems Middleboro MA see ad rather small gold-plated tubular-pinand-socket-type parts solder cup accept up 15-gauge wire may very useful crowded installations insulated heat-shrink tubing supplied go $3 pair Id like point out CS has con stantly expanding discount catalog Electric goodies including connectors suggest invest two bucks Youll easily re cover cost first order subject connectors Id like also mention Sermos line has ad dition color addition familiar red black less familiar orange green white blue yellow John Sermos tells has now added grey gray Whatever less familiar colors available Sermos direct suggest check out ad issue Red black routinely available suppliers includ ing CS way John tells contacts product line specially made him contacts extra heavily plated silver result have very low loss can withstand uncountable number matings what its worth standard items installations Electrostreakagain Last months column detailed what very useful modifica tion Great Planes Electrostreaka hatch stallation month have another photo other assembly modification photo portion wing structure shows solid ribs Great Planes very weight conscious Electric designs PT J3 including having punchout portions wing ribs See photo PT Electric struc ture MA March 1989 So building Streak meticulously following highly de tailed instruction manual duly punched out lightening holes die-cut ribs tossed em trash got wondering wondered just much punchouts weighed Yeah dug through trash Found em too Something like 28 pieces grand total weight TRAINERFOAMAIRE SPAN Afl95 SPAN 74 WEIGHT 2 lbs 3 CH iWEIGHT 65-75 lbs POWER 0 cc A95 POWER 0 3 4 CHANNEL4CHutFOUR CHANNEL MONARCH SPAN EIGHT 2 lbs $1A 95 POWER 0 cc EY FOUR CHANNEL 158 Model Aviation CALL OR WRITE FOR FREE INFO4.-RT 1 NEODESHA KS 66757 ON SAC KITS AND QUADRA PRICES___316 325-2821 FREE SHIPPING ON KIT ORDERVISA MASTERCARD ACCEPTED NEW ELECTRIC Fly .. great stand-way-off scale fun ship designed 05 electric power can perform take-offs touch goes aerobatics beauty yet enjoy docile slow flight easy landings Quick easy build kit includes pre cut fuselage sides tail feathers small parts hardware complete rolled plans step-by-step instructions formed landing gear windshield Electro-combo includes kit DSC 075 Hyperthrust motor fused switch harness Tamiya connector propeller adaptor 8/4 fiberglass propeller 40 Span 275 Sq area 32 oz flying weight flat bottom airfoil rudder elevator motor add ailerons too 675 TOWER LANE SPECIAL COMBO PRICE $4795 YSTEMSWEST CHESTER PA 19380 BASIC KIT $24~IoRPoRATloN215~ about 150 milliounces Thats 015 oz So punched em back ribs Zapped em built wing Now just case anyone confused what seems like contradiction namely con stant encouragement build Electric light adding weight back let say sometimes actually time its matter preference and/or judgement case just felt better about rib strength/weight tradeoff expand bit its always blackand-white right-or-wrong matter exam ple its felt about 150 milliounces ribs other hand Electrostreak fuse lage loaded lots triangle-stock lumber can shaped prettilyand can just bet chopped away stuff Motto Light weight right place strength its needed Differences viewpoint what means accomplish may vary keep basic thought mind youre build ing Astro Model 112 constant-current charger now available new item replaces earlier model 102 DC/DC Super Charger costs about same $11995 October 88 Astro price list new model Astros other new models packaged very attractive rich looking sloping-panel box Since same knobs stuff old may first glance feel theyre electrically same theyre fact work much differently First some specs Astro 112 intended powered 12-volt auto battery de scribed being capable charging up 28 cells Its output current capability smoothly ad justable up 5 amps front panel lists rec ommended charge currents times cells 500 4000 mAh capacity instructions also describe using charger motor break-in charger equipped 15-minute windup time switch jacks plugging voltmeter monitor battery pack voltage wish sure constant-current means relatively speaking charge cur rent dial start charge will remain steady throughout charge time lot different having periodically readjust output control earlier model ba sically constant-voltage device charging keep current constant fact attribute reason behind modification articles September/October 1987 issues maga zine readers have happily reported sig nificant improvement Model 102 currentregulation performance published modifi cations Anyway Im looking forward both trying new 112 bench field near future Ill have detailed information including inside-out photos performance curves later issue Another Electric column coming time RC Report will coauthored Dr John Mountjoy Charlie Speartwo names un familiar column Both regular atten dees annual KRC meet Ive quite few photos appear over years such recent photo Charlie Electrified Coverite Pea Shooter January 89 Charlie Sylvia above-mentioned CS Flight Systems tells got quite few phone calls kit following appearance photo issue Anyway John tells Ill prob ably seeing fewer photos now hell using himself darn added some kind words about columns impact good kind Electric over years Thank John best wishes both new undertaking hope feel same fun sat isfaction sharing things Electric written way latest Electric yet unnamed pic tured photos 50-in model inContinued page 163 PROPS Worlds Largesf Range Fiberglass Carbon Fiber Props Sizes 1 /2A Quarter Scale @2 3 4 Blades Increased Availability 1989 Send SA SE Information TOM DIXON 1938 Peachtree Suite 401 Atlanta GA 30309 e0 / A-J INTERCEPTOR RTF *750 *596 Aw0~JUA AIRCRAFT COMPANY RO Box 68132 Portland OR 97268 IMPROVE YOUR 1991 SWITCH OVER eI Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER unavailable locally send Bru Line Industries Inc PO Box 3786 Center Line MI 48015 sufficient speed can very frustrating youre headed weeds just pulled elevator stick clear out transmit ter youll still have airplane left fly ducted fan competition some important courtesies observe test run engine pits competition under way poor guy whos flying cant hear thing nor can sure judges can hear him call maneuvers starting engines prior flight aware exhaust pointed jet ex haust velocity can easily reach 100 mph good distance behind model once Ive seen other modelers scramble grab air planes hats assorted debris being blown about ill-aimed ducted fan model Also have some consideration poor judges guys have power ruin whole trip treat respect Dont start screaming beast right front Most ducted-fan fliers now wear some type hear ing protectorsbut judges Believe An F-14 two OS engines turning 22000 rpm does purr hurts So start run up model respectable distance judges knows might help score AC Giant Scale/de Vries Continued page 59 ity should transcend exact scale function comes readily mind Hawker Fury handsome British biplane fighter Thirties Fury unique wheel shock absorber system shocks wheels ground shocks compressed center lines axle wheels coincident airborne however shocks extended centerline axle well above wheels centerlines Attempting duplicate feature model Giant size would exercise frustration internal shock absorbers would have duplicated minia ture formnot very practical bit construction final analysis idiosyncrasies par ticular prototype can uncovered really digging documentation information availableyouve just got dig out tend detail Giantpractically couple reminders IMAA Fly-In Odessa TX month June Giant Scale reenactment Schneider Cup Races November 10-12 latter Bob Martin chairman big seaplane address 1520 C Acoma Lane Lake Havasu City AZ 86403 publishing Schneider Cup News three-page newsletter chock-full valu CAT NO 106 Proof Switch Retail $995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax RC Electrics/Kopski Continued page 159 corporates NACA 2412 section full house Its about same size newer trainers Mirage Aero-lectric PT etc trainer its designed model accommodate power systems 100- 200-watt category perform accordingly Thus six- seven-cell systems supplied previously mentioned kits would suitable would cobalt 05 15 systems Oh will ever get away meaningless designators mo tor size battery compartment will hold corresponding packs So far Ive few flights terrible weather two different systems Astro ferrite 15 dozen 900 mAh cells Great Planes Gold Fire motor seven 1 200s flies very nicely info future So now its back building board just gotta finish yet-unfinished Electrostreak Please write and/or send photos Mail stuff di rectly address appears box-type logo very top column magazine Sending MA editorial offices just slows things down since somebody has forward Lansdale just have tell ya good feel about fact time reading spring will have sprung everywhere must make last announcement Boeing Hawks RC Fliers Kent WA has nounced Seventh Annual Electric Fly-In scheduled June 24-25 1989 Boeing Kent Space Center Field activi ties planned including prizes Most Acrobat ic Best Scale Longest Flight Class Sailplane AMA Event No 609 Best Multimotor information contact Bernard Cawley 29838 48th Ave S Auburn WA 98001 phone number 206 839-9157 Happy Springtime anytime Electric Landings RC Scale/Crooks Continued page 53 prop blast times have read story overweight underpowered Scale mas terpiece being horsed off runway clas sic stall/spin/crash maneuver Heres good news wont happen ducted fan Since no prop blast over elevator airplane will rotate climbing attitude until has SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUSTOM & STOCK PARTS VAILABLEINDIVIDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 519 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS A monthly publication covering International RC Soaring Scene US $l7yr 21/yr 1st Class Canada/Mexico $22/yr US funds Asia & Pacific S28/yr US funds Europeand UK $28/yr US funds Surface Mall Foreign $18/yr US funds RO SOARING DIGEST PO Box 1079 Payson AZ 85547 June 1989 163 OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS Iii IMMEDIATE SHIPMENT ON VISA/MC