FREE FLIGHT INDOOR TT lin NEW SERVICE newsletter Boeing Hawks Are unfortunate individuals like build free flight models cant seem get fly worth damn feel like other modelers snickering behind back Perhaps suffering congenital tail heaviness warposis churnchophobia tall grass allergy other modelers afflictions despair Help way During summer outdoor flying season problems can overcome simply stumbling back weeds smiling model held high pretending retrimming after spectacular flight advent indoor flying season however no such compensation possible frustration suffering apparent everyone present try vain tame models errant behavior Announcing new service Trimmers Anonymous nominal fee expert staff will analyze correct airplanes trim problems complete confidence arrive next contest can proudly launch model perfect flight right out box amazement fellow modelers Put end snickering call 800 ADDCLAY today Type please few know now have OCR scanner enables read typed/printed materials electronically have edit submissions before using possible send printed materialit saves lot time Site Searches following item appeared TOPMAC Topics Jack Koehlar editor TOPMAC club has its share site problems Jacks remarks right point Have ever bought anything over phone sight unseen stranger particularly stranger out-of-town Wing socket mounted sliding clip simplifies model adjustment Jim Clem column has details Tenny photo neither So am stranger sometimes out-of-town stranger trying sell folks dont know permitting other people theyve never met fly something theyve never seen precious building land own manageover phone Stupid aint thats what Ive trying sell TOPMAC over phone What should ask face-toface meeting site owner manager preferably site Second should attend such meetings models can demo site Third should offer references owners other sites use Fourth should have TV/VCR suitable tapes show Fifth should have TOPMAC AIvIA AMA Member Site Insurance info give site owners/managers Sixth etc etc honestly Id rather beat big stick bout See site problem Flying Opportunities list below contains both flying session listings carried over listing previous column latest update contact-persons list CDs events beginning October 1994 send schedules ASAP Caution Call verify dates before leaving home CaliforniaBurbank Blacksheep Exhibition Squadron VMF-214 has monthly sessions second Fridays flying Cat site Luther Burbank Middle School 7-10 pm Tony Naccarato 2121 N Hollywood Way Burbank CA 91507 Tel 818 842-5062 CaliforniaLos Angeles area Monthly sessions Naval & Marine Corps Armory next Dodger Stadium Paul Avery 6360 Germania Ct Agoura Hills CA 91301 Tel 818 707-0282 CaliforniaMann County 20 miles north San Francisco Year-round minicontests 8 am-2 pm fourth Sunday month site standard basketball court 28 feet clear Contact Tom Brennan 21326 Via Colombard Sonoma CA 95476 Tel 707 938-2893 CaliforniaSan Diego Fun-Fly Scale sessions 2nd Friday month monthly sessions 4th Friday Colina Del Sol Community Center Cat 5316 Orange Ave San Diego Howard Haupt 3860 Ecochee Ave San Diego CA 92117 Tel 619 272-5656 CanadaOntario area Dan OGrady 50 Largo Crescent Nepean Ontario K2G 3C7 Canada ColoradoDenver Les Shaw Tel 303 499-0946 September 1994 101 simple beam balance simplifies matching spacer shortWing held place using sliding clips Wings fore/aft position motor weights see text Tenny photoincidence wing post length adjustable Bottom view wing clip made two pieces aluminum beverage can Tenny photo ConnecticutGlastonbury George Armstead 89 Harvest Lane Glastonbury CT 06037 Tel 203 633-7836 ConnecticutNorwich Jerry Bockius 48 Division St Norwich CT 06360 Tel 203 887-5879 ConnecticutWilton Roger Kleinert 17 Gardiner St Darien CT 06820 Tel 203 655-1585 FloridaContact Dr John Martin 2180 Tigertail Ave Miami FL 33133 Tel 305 858-6363 GeorgiaAtlanta area Contact John Barker Tel 404 436-9912 IdahoKibbie Dome Andy Tagliafico 650-B Taybin Road NW Salem OR 97304 Tel 503 371-0492 IowaCedar Rapids Paul Mcllrath 1524 48th St NE Cedar Rapids IA 52402 Tel 319 393-4677 IdahoKibbie Dome Andy Tagliafico 10039 SW Quail Post Rd Portland OR 97219 Tel 503 452-0546 IllinoisChicago area Year-round weekly sessions 25-foot gym College DuPage Glen Ellyn Illinois Currently held 6-11 pm Monday evenings Bob Warmann 245 N Oaklawn Elmhurst IL 60126 Tel 708 834-9075 KansasTopeka Jack Koehlar 3425 SW Arrowhead Rd Topeka KS 66614-3485 Tel 913 272-8439 KansasWichita Contact Stan Chilton 725 E Lincoln Wichita KS 67211-3302 Tel 316 686-9634 KentuckyLouisville Flying sessions Tuesday Sawyer Park site 11 am-1 pm Also Saturday month subject military schedules Kentucky Air National Guard suite 10 am 2 pm Contact Mason Plank 3207 Oriole Dr Louisville KY 40213 Tel 502 634-8191 MarylandGoddard NAS Goddard NAS Record Trials flying sessions scheduled auditorium Building 8 Goddard NAS Saturdays 11 am-1030 pm July 16 August 6 August 20 September 17 October 1* October 15* October 29* 1994 * tioned national FAI record trials NASA security requires attendees US citizens AMA members license available inspection gate list compiled Tom Vallee must notify Tom intent attend advance meet Changes NASA launch schedules other possible events can preempt auditorium much warning sure verify date Tom before leaving home Tom Vallee 444 Henryton So Laurel MD 20707 Tel 301 498-0790 MassachusettsCambridge MIT Ray Harlan 15 Happy Hollow Rd Wayland MA 01778 Tel 617 358-4013 MinnesotaBurnsville John OLeary 11425 Kell Circle Bloomington MN 55437 Tel 612 888-0638 Dell Marchant 17110 24th Ave N Plymouth MN 55447 Tel 612 473-5971 NebraskaBeatrice John Pakiz 4523 Poppleton Ave Omaha NE 68106 Tel 402 551-2964 New JerseyLakehurst Flying sessions contestslrecord trials Hangar #1 almost weekend between July end October Friday through Monday Labor Day weekend Contact Gary Underwood address shown below make necessary arrangements access Lakehurst NAS Attendance Lakehurst meets require strict adherence rules 1 must furnish name drivers license number make model vehicle license plate number state registration* Gary Underwood later Wednesday before meet plan attend 2 Obey military regulations especially speed limits no-smoking areas restricted parking clearly posted 3 Certain base personnel give access lavatories other facilities Please route requests assistance through CD 4 absolutely must leave flying area least clean find check CD about locate equipment 5 No photos allowed except hangar *Out town participants fly rent car must make special arrangements regarding auto identification Contact Gary Underwood 9 Treelawn Terrace Mercerville NJ 08619 Tel 609 586-3202 information New JerseyNorthern Area Don Ross 38 Churchill Rd Cresskill NJ 07626 Tel 201 568-5272 New JerseyUnion area Fergus Collins 48 East Hazlewood Ave Rahway NJ 07067 New YorkBrooklyn Contact Don Ross 38 Churchill Rd Cresskill NJ 07626 Tel 201 568-5272 New YorkLevittown Cantiaque Richard Fiore 531 Secatogue Ave Farmingdale LI NY 11735 Tel 516 249-4358 New YorkLocust Valley Fred Dippel 102 Model Aviation write CallSmithy Dept MA 1-800-345-6342 Lathe l 3023 E 2nd Street Ask operator MAThe Dalles DR 97058 -6IbFIygWghGIaF.6Cod BiIde Ki $255Sheed K $365DI Sheed Ki $495 ULTIMATESPORT RC 255 E tA6hlond/PO$o727/SodoSpries Idcto $3276 1-200-547-3742FoF,heIfoSe,dSASE ULTWTE 0-300 WPE 2 David Court Glen Cove LI NY 11542 Tel 516 671-2858 New YorkNYC Dan Marek 210 West 101st St #1OF NYC 10025 Tel 212 222-1546 New YorkQueens Bob Bender 159 Raff Ave MineolaNY 11501 Tel 516 248-5118 OhioCleveland area Weekly sessions year-round Cat sites site Willoughby Andrews School has 20-foot flat ceiling 60 x 80-foot floor area other site Meridian Euclid Hospital Euclid has 195foot ceiling 45 x 70-foot floor area Contact Vein Hacker 25599 Breckenridge Dr Euclid OH 44117-1807 Tel 216 486-4990 OklahomaOklahoma City Jim Belson 4933 NW 29th Oklahoma City OK 73129 Tel 405 946-1093 OklahomaTulsa Roy OMara 9120 E 7th St Tulsa OK 74112 Tel 918 835-6880 OregonAlbany Bob Stalick 5066 NW Picadilly Cir Albany OR 97321 Tel 503 928-8101 PennslyvaniaEastern Walt Eggert Jr 26 Moredon Rd Huntington Valley PA 19006 Tel 215 947-4387 PennslyvaniaPhiladelphia Joe Krush 409 Warner Rd Wayne PA 19087 Tel 215 688-3927 VirginiaNewport News Abram Van Dover 112 Tillerson Drive Newport News VA 23602 Washington StateSeattle area Ed Lamb 15911 SE 42nd Place Bellevue WA 98006 Tel 206 747-7806 WisconsinRacine Tony Italiano 1655 Revere Dr Brookfield WI 53005 Tel 414 782-6256 Rubber Aging following comments Ted Ballin appeared Bat Sheet newsletter Strat-O-Bats club long will rubber last Almost indefinitely seems have some Champion rubber purchased 1981 still excellent condition has never refrigerator trick seems to keep chemically inert airtight container Light oxygen major causes rubber deterioration other areas country summer temperatures excess 900F common refrigeration may required keep its original one-pound-size cardboard box sealed masking tape box turn placed two heavy weight plastic grocery bags QFC supplies heaviest Seattle area plastic bags twisted tightly shut tied standard grocery store metal twist-tie recommend storage empty coffee cans metal heat conductor Rubber definitely improves age exactly improvement stops deterioration startshas knowledge tested Competitive bicycle racers use special racing tires called tubulars sew-ups have pure rubber inner tube immediately use tires age placing old rims storing cool place two years Editorial comment true rubber improved age always true comments apply Pirelli earlier batches Tan have insufficient experience Tan II comment same concepts should still apply 1 rubber over-vulcanized during manufacture aging can make worse doesnt break stress such rubber normally wont accept turns properly cured rubber 2 measure rubber hardness rate recovery stress quite apparent Tan acceptable Tan returns break-in length half hour recovery takes hour save motor next day firmly believe keeping good records recovery time rubber key concept judging rubber vulcanization Note doubt close correlation between absolute quality energy storage capability level vulcanization does seem likely undervulcanized rubber cant return much total energy properly cured rubber also supposition Similarly very hard rubber may return high level energy form likely useful Laminated Outlines Tulsa Glue Dobbers newsletter Laminating tips Double entendre intended have used several materials forms laminated tips have just found like run across original article again will give credit used thin cardboard before packaging S packs sandpaper Wal-Mart did like way pattern edges finished tendency glue stick pattern tried wax Saran Wrap shield edges getting mixed results tip Seal edge cardboard pattern thin coat white glue has dried apply thin coat wax edge car beeswax OK edge pattern tough September 1994 103 WANTED Ignition Model Engines 1930s 1950s Elf Baby Cyclone Brown Jr Ohlsson Etc -ALSOModel Race Cars & Boats Any Parts Spark Plugs Etc Woody Bartelt 1301 W Lafayette Sturgis MI 49091 800-982-5464 616-665-9693 REIITh QUALITY MODEL PRODUCES GIANT SCALE SPECIAlISTS Zonosh Quadra Sales Parts -Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Khmer -hyloreraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 REICHMUTH IGNITIONS [Electronic advance systems no moving parts] complete electronics fixed mechanical advance systems Direct replacement popular systems CUSTOM COMPONENTS Reichmuth Ignitions will supply capacitor discharge spark coils Circuit boards fixed electronic advance systems harness both switch Hall sensors Call write information quotes Dan Reichmuth 517 Ave D San Manuel AZ 85631 602 385-2511 Mountain Time laminated surfaces will stick soak balsa strips water wetting agent apply Titebond face lamination pin strips place wait overnight dry use strips masking tape hold strips pattern may nuke Radarange Ed note candle wax rubbed forms works very well Technical Stuff Boeing Hawks newsletter Have ever heard lead wool ran across strange material plumbing section McLendons hardware store looks just like steel wool Plumbers use jam cracks joints drain pipesso man explained seemed like might useful modelers situations need pack lot nose weight small space could pack stuff odd-shaped cavity conveniently higher density using lead sheet shot could probably also used filler epoxy make molded ballast forms such spinner Quarter-motors have never heard started using half- quarter-motors Clarence Mather used technique preparing 1968 World Championships Rome test flying Cat site WC site 100 feet high fractional motor concept works way 1 Make motor presumed correct cross-section except one-fourth long final motor will 2 Make spacer bar hooks end spacer must three-quarters distance between prop hook rear hook model 3 Add enough weight spacer make exactly three times heavy short motor 4 Fly model combination Altitude reached flight time will almost exactly one-fourth great flights full motor 5 Adjust loop length cross-section short motor needed zero correct motor size weight Always change weight spacer track adjusted motor photo shows Jim Clems simple go no-go scale simplifies trimming spacer weight match changes test motor weight Most weight scale above pivot scale will tip over-center stay spacer weighs exactly three times much motor test push high end just past center Unless ratio correct beam will return original position Test both positions sure beam must have center hook long end rubber exactly three times far pivot other hook Slide Wing wings Pennyplanes MiniSticks other duration models could slide adjustment instead plugging sockets final trim would much easier Other photos show Jim Clem s experimental fixtures achieve sliding wing photo shows close-up normal socket attached metal clip fits Pennyplane motor stick Another photo shows bottom view clip note made two pieces aluminum drink can two pieces attached using cyanoacrylate glue Another photo shows clips place socket open bottom wing position incidence wing post length can varied gain possible information test-flying new model shown tiny rubber bands help secure clips position oin Giants Help Promote II I~9~NonCompetitive _____ __ ___ Flying Large RIC Air Craft i IIeget aeIMetuA,cIt I IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATION I] NEW IJ RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC Name ____________________________ Phone __________________ I Street ______________________________________ P0 Box/Route Box ________________ _________________________State/Province _________________Zip __________________ 1CIty IMAA __________AMA Number ____________MAAC ___________Chapter __________ L MAIL TO IMAA Secretary DONE VINEYARD 205S HiIIdce Road a KS 67401w 104 Model Aviation KLOUD KING 72 *4 EL UXE KIT $15995 SPECIFICATIONS Engine 21 40 2 cycle 40 48 4 Cycle Radio 3 Channel B&M MODEL CO 290 W 1050 N LAYrON UT 84041 PHONE 801544-5689 Seed Call Free Brochure ADD $695 SHIPPING/HANDLING UT RES ADD 625% TAX RIC BEGINNERS DONT GIVE DPI Unfortunately MOST advertised R/C trainers too fast unstable average beginner take heart because COULD SOLO YOUR VERY FIRST TIME UP cant find Instructor Thanks extensive trainer flight-testing ever conducted hobby can now know advance ones will fly slow hands-off stable ones Send $395 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 models evaluated including ARFa Also grades easeot-building explains easyflight aerodynamics dares address questions poor trainers good trainers marketed does no warn about GUARANTEED enlightening time-saving money-saving R/O publication have ever read money back Also available Flying lessons written especially lone eagle must go ft alone Leernlng Fly R/C Without Instructor $425 plus 750 postage Includes troubleshooting tlight problems Send check money order fo JIm Waterman 3818 DeertleId Dr Dept MA San AntonIo TX 78218
Edition: Model Aviation - 1994/09
Page Numbers: 101, 102, 103, 104
FREE FLIGHT INDOOR TT lin NEW SERVICE newsletter Boeing Hawks Are unfortunate individuals like build free flight models cant seem get fly worth damn feel like other modelers snickering behind back Perhaps suffering congenital tail heaviness warposis churnchophobia tall grass allergy other modelers afflictions despair Help way During summer outdoor flying season problems can overcome simply stumbling back weeds smiling model held high pretending retrimming after spectacular flight advent indoor flying season however no such compensation possible frustration suffering apparent everyone present try vain tame models errant behavior Announcing new service Trimmers Anonymous nominal fee expert staff will analyze correct airplanes trim problems complete confidence arrive next contest can proudly launch model perfect flight right out box amazement fellow modelers Put end snickering call 800 ADDCLAY today Type please few know now have OCR scanner enables read typed/printed materials electronically have edit submissions before using possible send printed materialit saves lot time Site Searches following item appeared TOPMAC Topics Jack Koehlar editor TOPMAC club has its share site problems Jacks remarks right point Have ever bought anything over phone sight unseen stranger particularly stranger out-of-town Wing socket mounted sliding clip simplifies model adjustment Jim Clem column has details Tenny photo neither So am stranger sometimes out-of-town stranger trying sell folks dont know permitting other people theyve never met fly something theyve never seen precious building land own manageover phone Stupid aint thats what Ive trying sell TOPMAC over phone What should ask face-toface meeting site owner manager preferably site Second should attend such meetings models can demo site Third should offer references owners other sites use Fourth should have TV/VCR suitable tapes show Fifth should have TOPMAC AIvIA AMA Member Site Insurance info give site owners/managers Sixth etc etc honestly Id rather beat big stick bout See site problem Flying Opportunities list below contains both flying session listings carried over listing previous column latest update contact-persons list CDs events beginning October 1994 send schedules ASAP Caution Call verify dates before leaving home CaliforniaBurbank Blacksheep Exhibition Squadron VMF-214 has monthly sessions second Fridays flying Cat site Luther Burbank Middle School 7-10 pm Tony Naccarato 2121 N Hollywood Way Burbank CA 91507 Tel 818 842-5062 CaliforniaLos Angeles area Monthly sessions Naval & Marine Corps Armory next Dodger Stadium Paul Avery 6360 Germania Ct Agoura Hills CA 91301 Tel 818 707-0282 CaliforniaMann County 20 miles north San Francisco Year-round minicontests 8 am-2 pm fourth Sunday month site standard basketball court 28 feet clear Contact Tom Brennan 21326 Via Colombard Sonoma CA 95476 Tel 707 938-2893 CaliforniaSan Diego Fun-Fly Scale sessions 2nd Friday month monthly sessions 4th Friday Colina Del Sol Community Center Cat 5316 Orange Ave San Diego Howard Haupt 3860 Ecochee Ave San Diego CA 92117 Tel 619 272-5656 CanadaOntario area Dan OGrady 50 Largo Crescent Nepean Ontario K2G 3C7 Canada ColoradoDenver Les Shaw Tel 303 499-0946 September 1994 101 simple beam balance simplifies matching spacer shortWing held place using sliding clips Wings fore/aft position motor weights see text Tenny photoincidence wing post length adjustable Bottom view wing clip made two pieces aluminum beverage can Tenny photo ConnecticutGlastonbury George Armstead 89 Harvest Lane Glastonbury CT 06037 Tel 203 633-7836 ConnecticutNorwich Jerry Bockius 48 Division St Norwich CT 06360 Tel 203 887-5879 ConnecticutWilton Roger Kleinert 17 Gardiner St Darien CT 06820 Tel 203 655-1585 FloridaContact Dr John Martin 2180 Tigertail Ave Miami FL 33133 Tel 305 858-6363 GeorgiaAtlanta area Contact John Barker Tel 404 436-9912 IdahoKibbie Dome Andy Tagliafico 650-B Taybin Road NW Salem OR 97304 Tel 503 371-0492 IowaCedar Rapids Paul Mcllrath 1524 48th St NE Cedar Rapids IA 52402 Tel 319 393-4677 IdahoKibbie Dome Andy Tagliafico 10039 SW Quail Post Rd Portland OR 97219 Tel 503 452-0546 IllinoisChicago area Year-round weekly sessions 25-foot gym College DuPage Glen Ellyn Illinois Currently held 6-11 pm Monday evenings Bob Warmann 245 N Oaklawn Elmhurst IL 60126 Tel 708 834-9075 KansasTopeka Jack Koehlar 3425 SW Arrowhead Rd Topeka KS 66614-3485 Tel 913 272-8439 KansasWichita Contact Stan Chilton 725 E Lincoln Wichita KS 67211-3302 Tel 316 686-9634 KentuckyLouisville Flying sessions Tuesday Sawyer Park site 11 am-1 pm Also Saturday month subject military schedules Kentucky Air National Guard suite 10 am 2 pm Contact Mason Plank 3207 Oriole Dr Louisville KY 40213 Tel 502 634-8191 MarylandGoddard NAS Goddard NAS Record Trials flying sessions scheduled auditorium Building 8 Goddard NAS Saturdays 11 am-1030 pm July 16 August 6 August 20 September 17 October 1* October 15* October 29* 1994 * tioned national FAI record trials NASA security requires attendees US citizens AMA members license available inspection gate list compiled Tom Vallee must notify Tom intent attend advance meet Changes NASA launch schedules other possible events can preempt auditorium much warning sure verify date Tom before leaving home Tom Vallee 444 Henryton So Laurel MD 20707 Tel 301 498-0790 MassachusettsCambridge MIT Ray Harlan 15 Happy Hollow Rd Wayland MA 01778 Tel 617 358-4013 MinnesotaBurnsville John OLeary 11425 Kell Circle Bloomington MN 55437 Tel 612 888-0638 Dell Marchant 17110 24th Ave N Plymouth MN 55447 Tel 612 473-5971 NebraskaBeatrice John Pakiz 4523 Poppleton Ave Omaha NE 68106 Tel 402 551-2964 New JerseyLakehurst Flying sessions contestslrecord trials Hangar #1 almost weekend between July end October Friday through Monday Labor Day weekend Contact Gary Underwood address shown below make necessary arrangements access Lakehurst NAS Attendance Lakehurst meets require strict adherence rules 1 must furnish name drivers license number make model vehicle license plate number state registration* Gary Underwood later Wednesday before meet plan attend 2 Obey military regulations especially speed limits no-smoking areas restricted parking clearly posted 3 Certain base personnel give access lavatories other facilities Please route requests assistance through CD 4 absolutely must leave flying area least clean find check CD about locate equipment 5 No photos allowed except hangar *Out town participants fly rent car must make special arrangements regarding auto identification Contact Gary Underwood 9 Treelawn Terrace Mercerville NJ 08619 Tel 609 586-3202 information New JerseyNorthern Area Don Ross 38 Churchill Rd Cresskill NJ 07626 Tel 201 568-5272 New JerseyUnion area Fergus Collins 48 East Hazlewood Ave Rahway NJ 07067 New YorkBrooklyn Contact Don Ross 38 Churchill Rd Cresskill NJ 07626 Tel 201 568-5272 New YorkLevittown Cantiaque Richard Fiore 531 Secatogue Ave Farmingdale LI NY 11735 Tel 516 249-4358 New YorkLocust Valley Fred Dippel 102 Model Aviation write CallSmithy Dept MA 1-800-345-6342 Lathe l 3023 E 2nd Street Ask operator MAThe Dalles DR 97058 -6IbFIygWghGIaF.6Cod BiIde Ki $255Sheed K $365DI Sheed Ki $495 ULTIMATESPORT RC 255 E tA6hlond/PO$o727/SodoSpries Idcto $3276 1-200-547-3742FoF,heIfoSe,dSASE ULTWTE 0-300 WPE 2 David Court Glen Cove LI NY 11542 Tel 516 671-2858 New YorkNYC Dan Marek 210 West 101st St #1OF NYC 10025 Tel 212 222-1546 New YorkQueens Bob Bender 159 Raff Ave MineolaNY 11501 Tel 516 248-5118 OhioCleveland area Weekly sessions year-round Cat sites site Willoughby Andrews School has 20-foot flat ceiling 60 x 80-foot floor area other site Meridian Euclid Hospital Euclid has 195foot ceiling 45 x 70-foot floor area Contact Vein Hacker 25599 Breckenridge Dr Euclid OH 44117-1807 Tel 216 486-4990 OklahomaOklahoma City Jim Belson 4933 NW 29th Oklahoma City OK 73129 Tel 405 946-1093 OklahomaTulsa Roy OMara 9120 E 7th St Tulsa OK 74112 Tel 918 835-6880 OregonAlbany Bob Stalick 5066 NW Picadilly Cir Albany OR 97321 Tel 503 928-8101 PennslyvaniaEastern Walt Eggert Jr 26 Moredon Rd Huntington Valley PA 19006 Tel 215 947-4387 PennslyvaniaPhiladelphia Joe Krush 409 Warner Rd Wayne PA 19087 Tel 215 688-3927 VirginiaNewport News Abram Van Dover 112 Tillerson Drive Newport News VA 23602 Washington StateSeattle area Ed Lamb 15911 SE 42nd Place Bellevue WA 98006 Tel 206 747-7806 WisconsinRacine Tony Italiano 1655 Revere Dr Brookfield WI 53005 Tel 414 782-6256 Rubber Aging following comments Ted Ballin appeared Bat Sheet newsletter Strat-O-Bats club long will rubber last Almost indefinitely seems have some Champion rubber purchased 1981 still excellent condition has never refrigerator trick seems to keep chemically inert airtight container Light oxygen major causes rubber deterioration other areas country summer temperatures excess 900F common refrigeration may required keep its original one-pound-size cardboard box sealed masking tape box turn placed two heavy weight plastic grocery bags QFC supplies heaviest Seattle area plastic bags twisted tightly shut tied standard grocery store metal twist-tie recommend storage empty coffee cans metal heat conductor Rubber definitely improves age exactly improvement stops deterioration startshas knowledge tested Competitive bicycle racers use special racing tires called tubulars sew-ups have pure rubber inner tube immediately use tires age placing old rims storing cool place two years Editorial comment true rubber improved age always true comments apply Pirelli earlier batches Tan have insufficient experience Tan II comment same concepts should still apply 1 rubber over-vulcanized during manufacture aging can make worse doesnt break stress such rubber normally wont accept turns properly cured rubber 2 measure rubber hardness rate recovery stress quite apparent Tan acceptable Tan returns break-in length half hour recovery takes hour save motor next day firmly believe keeping good records recovery time rubber key concept judging rubber vulcanization Note doubt close correlation between absolute quality energy storage capability level vulcanization does seem likely undervulcanized rubber cant return much total energy properly cured rubber also supposition Similarly very hard rubber may return high level energy form likely useful Laminated Outlines Tulsa Glue Dobbers newsletter Laminating tips Double entendre intended have used several materials forms laminated tips have just found like run across original article again will give credit used thin cardboard before packaging S packs sandpaper Wal-Mart did like way pattern edges finished tendency glue stick pattern tried wax Saran Wrap shield edges getting mixed results tip Seal edge cardboard pattern thin coat white glue has dried apply thin coat wax edge car beeswax OK edge pattern tough September 1994 103 WANTED Ignition Model Engines 1930s 1950s Elf Baby Cyclone Brown Jr Ohlsson Etc -ALSOModel Race Cars & Boats Any Parts Spark Plugs Etc Woody Bartelt 1301 W Lafayette Sturgis MI 49091 800-982-5464 616-665-9693 REIITh QUALITY MODEL PRODUCES GIANT SCALE SPECIAlISTS Zonosh Quadra Sales Parts -Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Khmer -hyloreraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 REICHMUTH IGNITIONS [Electronic advance systems no moving parts] complete electronics fixed mechanical advance systems Direct replacement popular systems CUSTOM COMPONENTS Reichmuth Ignitions will supply capacitor discharge spark coils Circuit boards fixed electronic advance systems harness both switch Hall sensors Call write information quotes Dan Reichmuth 517 Ave D San Manuel AZ 85631 602 385-2511 Mountain Time laminated surfaces will stick soak balsa strips water wetting agent apply Titebond face lamination pin strips place wait overnight dry use strips masking tape hold strips pattern may nuke Radarange Ed note candle wax rubbed forms works very well Technical Stuff Boeing Hawks newsletter Have ever heard lead wool ran across strange material plumbing section McLendons hardware store looks just like steel wool Plumbers use jam cracks joints drain pipesso man explained seemed like might useful modelers situations need pack lot nose weight small space could pack stuff odd-shaped cavity conveniently higher density using lead sheet shot could probably also used filler epoxy make molded ballast forms such spinner Quarter-motors have never heard started using half- quarter-motors Clarence Mather used technique preparing 1968 World Championships Rome test flying Cat site WC site 100 feet high fractional motor concept works way 1 Make motor presumed correct cross-section except one-fourth long final motor will 2 Make spacer bar hooks end spacer must three-quarters distance between prop hook rear hook model 3 Add enough weight spacer make exactly three times heavy short motor 4 Fly model combination Altitude reached flight time will almost exactly one-fourth great flights full motor 5 Adjust loop length cross-section short motor needed zero correct motor size weight Always change weight spacer track adjusted motor photo shows Jim Clems simple go no-go scale simplifies trimming spacer weight match changes test motor weight Most weight scale above pivot scale will tip over-center stay spacer weighs exactly three times much motor test push high end just past center Unless ratio correct beam will return original position Test both positions sure beam must have center hook long end rubber exactly three times far pivot other hook Slide Wing wings Pennyplanes MiniSticks other duration models could slide adjustment instead plugging sockets final trim would much easier Other photos show Jim Clem s experimental fixtures achieve sliding wing photo shows close-up normal socket attached metal clip fits Pennyplane motor stick Another photo shows bottom view clip note made two pieces aluminum drink can two pieces attached using cyanoacrylate glue Another photo shows clips place socket open bottom wing position incidence wing post length can varied gain possible information test-flying new model shown tiny rubber bands help secure clips position oin Giants Help Promote II I~9~NonCompetitive _____ __ ___ Flying Large RIC Air Craft i IIeget aeIMetuA,cIt I IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATION I] NEW IJ RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC Name ____________________________ Phone __________________ I Street ______________________________________ P0 Box/Route Box ________________ _________________________State/Province _________________Zip __________________ 1CIty IMAA __________AMA Number ____________MAAC ___________Chapter __________ L MAIL TO IMAA Secretary DONE VINEYARD 205S HiIIdce Road a KS 67401w 104 Model Aviation KLOUD KING 72 *4 EL UXE KIT $15995 SPECIFICATIONS Engine 21 40 2 cycle 40 48 4 Cycle Radio 3 Channel B&M MODEL CO 290 W 1050 N LAYrON UT 84041 PHONE 801544-5689 Seed Call Free Brochure ADD $695 SHIPPING/HANDLING UT RES ADD 625% TAX RIC BEGINNERS DONT GIVE DPI Unfortunately MOST advertised R/C trainers too fast unstable average beginner take heart because COULD SOLO YOUR VERY FIRST TIME UP cant find Instructor Thanks extensive trainer flight-testing ever conducted hobby can now know advance ones will fly slow hands-off stable ones Send $395 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 models evaluated including ARFa Also grades easeot-building explains easyflight aerodynamics dares address questions poor trainers good trainers marketed does no warn about GUARANTEED enlightening time-saving money-saving R/O publication have ever read money back Also available Flying lessons written especially lone eagle must go ft alone Leernlng Fly R/C Without Instructor $425 plus 750 postage Includes troubleshooting tlight problems Send check money order fo JIm Waterman 3818 DeertleId Dr Dept MA San AntonIo TX 78218
Edition: Model Aviation - 1994/09
Page Numbers: 101, 102, 103, 104
FREE FLIGHT INDOOR TT lin NEW SERVICE newsletter Boeing Hawks Are unfortunate individuals like build free flight models cant seem get fly worth damn feel like other modelers snickering behind back Perhaps suffering congenital tail heaviness warposis churnchophobia tall grass allergy other modelers afflictions despair Help way During summer outdoor flying season problems can overcome simply stumbling back weeds smiling model held high pretending retrimming after spectacular flight advent indoor flying season however no such compensation possible frustration suffering apparent everyone present try vain tame models errant behavior Announcing new service Trimmers Anonymous nominal fee expert staff will analyze correct airplanes trim problems complete confidence arrive next contest can proudly launch model perfect flight right out box amazement fellow modelers Put end snickering call 800 ADDCLAY today Type please few know now have OCR scanner enables read typed/printed materials electronically have edit submissions before using possible send printed materialit saves lot time Site Searches following item appeared TOPMAC Topics Jack Koehlar editor TOPMAC club has its share site problems Jacks remarks right point Have ever bought anything over phone sight unseen stranger particularly stranger out-of-town Wing socket mounted sliding clip simplifies model adjustment Jim Clem column has details Tenny photo neither So am stranger sometimes out-of-town stranger trying sell folks dont know permitting other people theyve never met fly something theyve never seen precious building land own manageover phone Stupid aint thats what Ive trying sell TOPMAC over phone What should ask face-toface meeting site owner manager preferably site Second should attend such meetings models can demo site Third should offer references owners other sites use Fourth should have TV/VCR suitable tapes show Fifth should have TOPMAC AIvIA AMA Member Site Insurance info give site owners/managers Sixth etc etc honestly Id rather beat big stick bout See site problem Flying Opportunities list below contains both flying session listings carried over listing previous column latest update contact-persons list CDs events beginning October 1994 send schedules ASAP Caution Call verify dates before leaving home CaliforniaBurbank Blacksheep Exhibition Squadron VMF-214 has monthly sessions second Fridays flying Cat site Luther Burbank Middle School 7-10 pm Tony Naccarato 2121 N Hollywood Way Burbank CA 91507 Tel 818 842-5062 CaliforniaLos Angeles area Monthly sessions Naval & Marine Corps Armory next Dodger Stadium Paul Avery 6360 Germania Ct Agoura Hills CA 91301 Tel 818 707-0282 CaliforniaMann County 20 miles north San Francisco Year-round minicontests 8 am-2 pm fourth Sunday month site standard basketball court 28 feet clear Contact Tom Brennan 21326 Via Colombard Sonoma CA 95476 Tel 707 938-2893 CaliforniaSan Diego Fun-Fly Scale sessions 2nd Friday month monthly sessions 4th Friday Colina Del Sol Community Center Cat 5316 Orange Ave San Diego Howard Haupt 3860 Ecochee Ave San Diego CA 92117 Tel 619 272-5656 CanadaOntario area Dan OGrady 50 Largo Crescent Nepean Ontario K2G 3C7 Canada ColoradoDenver Les Shaw Tel 303 499-0946 September 1994 101 simple beam balance simplifies matching spacer shortWing held place using sliding clips Wings fore/aft position motor weights see text Tenny photoincidence wing post length adjustable Bottom view wing clip made two pieces aluminum beverage can Tenny photo ConnecticutGlastonbury George Armstead 89 Harvest Lane Glastonbury CT 06037 Tel 203 633-7836 ConnecticutNorwich Jerry Bockius 48 Division St Norwich CT 06360 Tel 203 887-5879 ConnecticutWilton Roger Kleinert 17 Gardiner St Darien CT 06820 Tel 203 655-1585 FloridaContact Dr John Martin 2180 Tigertail Ave Miami FL 33133 Tel 305 858-6363 GeorgiaAtlanta area Contact John Barker Tel 404 436-9912 IdahoKibbie Dome Andy Tagliafico 650-B Taybin Road NW Salem OR 97304 Tel 503 371-0492 IowaCedar Rapids Paul Mcllrath 1524 48th St NE Cedar Rapids IA 52402 Tel 319 393-4677 IdahoKibbie Dome Andy Tagliafico 10039 SW Quail Post Rd Portland OR 97219 Tel 503 452-0546 IllinoisChicago area Year-round weekly sessions 25-foot gym College DuPage Glen Ellyn Illinois Currently held 6-11 pm Monday evenings Bob Warmann 245 N Oaklawn Elmhurst IL 60126 Tel 708 834-9075 KansasTopeka Jack Koehlar 3425 SW Arrowhead Rd Topeka KS 66614-3485 Tel 913 272-8439 KansasWichita Contact Stan Chilton 725 E Lincoln Wichita KS 67211-3302 Tel 316 686-9634 KentuckyLouisville Flying sessions Tuesday Sawyer Park site 11 am-1 pm Also Saturday month subject military schedules Kentucky Air National Guard suite 10 am 2 pm Contact Mason Plank 3207 Oriole Dr Louisville KY 40213 Tel 502 634-8191 MarylandGoddard NAS Goddard NAS Record Trials flying sessions scheduled auditorium Building 8 Goddard NAS Saturdays 11 am-1030 pm July 16 August 6 August 20 September 17 October 1* October 15* October 29* 1994 * tioned national FAI record trials NASA security requires attendees US citizens AMA members license available inspection gate list compiled Tom Vallee must notify Tom intent attend advance meet Changes NASA launch schedules other possible events can preempt auditorium much warning sure verify date Tom before leaving home Tom Vallee 444 Henryton So Laurel MD 20707 Tel 301 498-0790 MassachusettsCambridge MIT Ray Harlan 15 Happy Hollow Rd Wayland MA 01778 Tel 617 358-4013 MinnesotaBurnsville John OLeary 11425 Kell Circle Bloomington MN 55437 Tel 612 888-0638 Dell Marchant 17110 24th Ave N Plymouth MN 55447 Tel 612 473-5971 NebraskaBeatrice John Pakiz 4523 Poppleton Ave Omaha NE 68106 Tel 402 551-2964 New JerseyLakehurst Flying sessions contestslrecord trials Hangar #1 almost weekend between July end October Friday through Monday Labor Day weekend Contact Gary Underwood address shown below make necessary arrangements access Lakehurst NAS Attendance Lakehurst meets require strict adherence rules 1 must furnish name drivers license number make model vehicle license plate number state registration* Gary Underwood later Wednesday before meet plan attend 2 Obey military regulations especially speed limits no-smoking areas restricted parking clearly posted 3 Certain base personnel give access lavatories other facilities Please route requests assistance through CD 4 absolutely must leave flying area least clean find check CD about locate equipment 5 No photos allowed except hangar *Out town participants fly rent car must make special arrangements regarding auto identification Contact Gary Underwood 9 Treelawn Terrace Mercerville NJ 08619 Tel 609 586-3202 information New JerseyNorthern Area Don Ross 38 Churchill Rd Cresskill NJ 07626 Tel 201 568-5272 New JerseyUnion area Fergus Collins 48 East Hazlewood Ave Rahway NJ 07067 New YorkBrooklyn Contact Don Ross 38 Churchill Rd Cresskill NJ 07626 Tel 201 568-5272 New YorkLevittown Cantiaque Richard Fiore 531 Secatogue Ave Farmingdale LI NY 11735 Tel 516 249-4358 New YorkLocust Valley Fred Dippel 102 Model Aviation write CallSmithy Dept MA 1-800-345-6342 Lathe l 3023 E 2nd Street Ask operator MAThe Dalles DR 97058 -6IbFIygWghGIaF.6Cod BiIde Ki $255Sheed K $365DI Sheed Ki $495 ULTIMATESPORT RC 255 E tA6hlond/PO$o727/SodoSpries Idcto $3276 1-200-547-3742FoF,heIfoSe,dSASE ULTWTE 0-300 WPE 2 David Court Glen Cove LI NY 11542 Tel 516 671-2858 New YorkNYC Dan Marek 210 West 101st St #1OF NYC 10025 Tel 212 222-1546 New YorkQueens Bob Bender 159 Raff Ave MineolaNY 11501 Tel 516 248-5118 OhioCleveland area Weekly sessions year-round Cat sites site Willoughby Andrews School has 20-foot flat ceiling 60 x 80-foot floor area other site Meridian Euclid Hospital Euclid has 195foot ceiling 45 x 70-foot floor area Contact Vein Hacker 25599 Breckenridge Dr Euclid OH 44117-1807 Tel 216 486-4990 OklahomaOklahoma City Jim Belson 4933 NW 29th Oklahoma City OK 73129 Tel 405 946-1093 OklahomaTulsa Roy OMara 9120 E 7th St Tulsa OK 74112 Tel 918 835-6880 OregonAlbany Bob Stalick 5066 NW Picadilly Cir Albany OR 97321 Tel 503 928-8101 PennslyvaniaEastern Walt Eggert Jr 26 Moredon Rd Huntington Valley PA 19006 Tel 215 947-4387 PennslyvaniaPhiladelphia Joe Krush 409 Warner Rd Wayne PA 19087 Tel 215 688-3927 VirginiaNewport News Abram Van Dover 112 Tillerson Drive Newport News VA 23602 Washington StateSeattle area Ed Lamb 15911 SE 42nd Place Bellevue WA 98006 Tel 206 747-7806 WisconsinRacine Tony Italiano 1655 Revere Dr Brookfield WI 53005 Tel 414 782-6256 Rubber Aging following comments Ted Ballin appeared Bat Sheet newsletter Strat-O-Bats club long will rubber last Almost indefinitely seems have some Champion rubber purchased 1981 still excellent condition has never refrigerator trick seems to keep chemically inert airtight container Light oxygen major causes rubber deterioration other areas country summer temperatures excess 900F common refrigeration may required keep its original one-pound-size cardboard box sealed masking tape box turn placed two heavy weight plastic grocery bags QFC supplies heaviest Seattle area plastic bags twisted tightly shut tied standard grocery store metal twist-tie recommend storage empty coffee cans metal heat conductor Rubber definitely improves age exactly improvement stops deterioration startshas knowledge tested Competitive bicycle racers use special racing tires called tubulars sew-ups have pure rubber inner tube immediately use tires age placing old rims storing cool place two years Editorial comment true rubber improved age always true comments apply Pirelli earlier batches Tan have insufficient experience Tan II comment same concepts should still apply 1 rubber over-vulcanized during manufacture aging can make worse doesnt break stress such rubber normally wont accept turns properly cured rubber 2 measure rubber hardness rate recovery stress quite apparent Tan acceptable Tan returns break-in length half hour recovery takes hour save motor next day firmly believe keeping good records recovery time rubber key concept judging rubber vulcanization Note doubt close correlation between absolute quality energy storage capability level vulcanization does seem likely undervulcanized rubber cant return much total energy properly cured rubber also supposition Similarly very hard rubber may return high level energy form likely useful Laminated Outlines Tulsa Glue Dobbers newsletter Laminating tips Double entendre intended have used several materials forms laminated tips have just found like run across original article again will give credit used thin cardboard before packaging S packs sandpaper Wal-Mart did like way pattern edges finished tendency glue stick pattern tried wax Saran Wrap shield edges getting mixed results tip Seal edge cardboard pattern thin coat white glue has dried apply thin coat wax edge car beeswax OK edge pattern tough September 1994 103 WANTED Ignition Model Engines 1930s 1950s Elf Baby Cyclone Brown Jr Ohlsson Etc -ALSOModel Race Cars & Boats Any Parts Spark Plugs Etc Woody Bartelt 1301 W Lafayette Sturgis MI 49091 800-982-5464 616-665-9693 REIITh QUALITY MODEL PRODUCES GIANT SCALE SPECIAlISTS Zonosh Quadra Sales Parts -Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Khmer -hyloreraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 REICHMUTH IGNITIONS [Electronic advance systems no moving parts] complete electronics fixed mechanical advance systems Direct replacement popular systems CUSTOM COMPONENTS Reichmuth Ignitions will supply capacitor discharge spark coils Circuit boards fixed electronic advance systems harness both switch Hall sensors Call write information quotes Dan Reichmuth 517 Ave D San Manuel AZ 85631 602 385-2511 Mountain Time laminated surfaces will stick soak balsa strips water wetting agent apply Titebond face lamination pin strips place wait overnight dry use strips masking tape hold strips pattern may nuke Radarange Ed note candle wax rubbed forms works very well Technical Stuff Boeing Hawks newsletter Have ever heard lead wool ran across strange material plumbing section McLendons hardware store looks just like steel wool Plumbers use jam cracks joints drain pipesso man explained seemed like might useful modelers situations need pack lot nose weight small space could pack stuff odd-shaped cavity conveniently higher density using lead sheet shot could probably also used filler epoxy make molded ballast forms such spinner Quarter-motors have never heard started using half- quarter-motors Clarence Mather used technique preparing 1968 World Championships Rome test flying Cat site WC site 100 feet high fractional motor concept works way 1 Make motor presumed correct cross-section except one-fourth long final motor will 2 Make spacer bar hooks end spacer must three-quarters distance between prop hook rear hook model 3 Add enough weight spacer make exactly three times heavy short motor 4 Fly model combination Altitude reached flight time will almost exactly one-fourth great flights full motor 5 Adjust loop length cross-section short motor needed zero correct motor size weight Always change weight spacer track adjusted motor photo shows Jim Clems simple go no-go scale simplifies trimming spacer weight match changes test motor weight Most weight scale above pivot scale will tip over-center stay spacer weighs exactly three times much motor test push high end just past center Unless ratio correct beam will return original position Test both positions sure beam must have center hook long end rubber exactly three times far pivot other hook Slide Wing wings Pennyplanes MiniSticks other duration models could slide adjustment instead plugging sockets final trim would much easier Other photos show Jim Clem s experimental fixtures achieve sliding wing photo shows close-up normal socket attached metal clip fits Pennyplane motor stick Another photo shows bottom view clip note made two pieces aluminum drink can two pieces attached using cyanoacrylate glue Another photo shows clips place socket open bottom wing position incidence wing post length can varied gain possible information test-flying new model shown tiny rubber bands help secure clips position oin Giants Help Promote II I~9~NonCompetitive _____ __ ___ Flying Large RIC Air Craft i IIeget aeIMetuA,cIt I IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATION I] NEW IJ RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC Name ____________________________ Phone __________________ I Street ______________________________________ P0 Box/Route Box ________________ _________________________State/Province _________________Zip __________________ 1CIty IMAA __________AMA Number ____________MAAC ___________Chapter __________ L MAIL TO IMAA Secretary DONE VINEYARD 205S HiIIdce Road a KS 67401w 104 Model Aviation KLOUD KING 72 *4 EL UXE KIT $15995 SPECIFICATIONS Engine 21 40 2 cycle 40 48 4 Cycle Radio 3 Channel B&M MODEL CO 290 W 1050 N LAYrON UT 84041 PHONE 801544-5689 Seed Call Free Brochure ADD $695 SHIPPING/HANDLING UT RES ADD 625% TAX RIC BEGINNERS DONT GIVE DPI Unfortunately MOST advertised R/C trainers too fast unstable average beginner take heart because COULD SOLO YOUR VERY FIRST TIME UP cant find Instructor Thanks extensive trainer flight-testing ever conducted hobby can now know advance ones will fly slow hands-off stable ones Send $395 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 models evaluated including ARFa Also grades easeot-building explains easyflight aerodynamics dares address questions poor trainers good trainers marketed does no warn about GUARANTEED enlightening time-saving money-saving R/O publication have ever read money back Also available Flying lessons written especially lone eagle must go ft alone Leernlng Fly R/C Without Instructor $425 plus 750 postage Includes troubleshooting tlight problems Send check money order fo JIm Waterman 3818 DeertleId Dr Dept MA San AntonIo TX 78218
Edition: Model Aviation - 1994/09
Page Numbers: 101, 102, 103, 104
FREE FLIGHT INDOOR TT lin NEW SERVICE newsletter Boeing Hawks Are unfortunate individuals like build free flight models cant seem get fly worth damn feel like other modelers snickering behind back Perhaps suffering congenital tail heaviness warposis churnchophobia tall grass allergy other modelers afflictions despair Help way During summer outdoor flying season problems can overcome simply stumbling back weeds smiling model held high pretending retrimming after spectacular flight advent indoor flying season however no such compensation possible frustration suffering apparent everyone present try vain tame models errant behavior Announcing new service Trimmers Anonymous nominal fee expert staff will analyze correct airplanes trim problems complete confidence arrive next contest can proudly launch model perfect flight right out box amazement fellow modelers Put end snickering call 800 ADDCLAY today Type please few know now have OCR scanner enables read typed/printed materials electronically have edit submissions before using possible send printed materialit saves lot time Site Searches following item appeared TOPMAC Topics Jack Koehlar editor TOPMAC club has its share site problems Jacks remarks right point Have ever bought anything over phone sight unseen stranger particularly stranger out-of-town Wing socket mounted sliding clip simplifies model adjustment Jim Clem column has details Tenny photo neither So am stranger sometimes out-of-town stranger trying sell folks dont know permitting other people theyve never met fly something theyve never seen precious building land own manageover phone Stupid aint thats what Ive trying sell TOPMAC over phone What should ask face-toface meeting site owner manager preferably site Second should attend such meetings models can demo site Third should offer references owners other sites use Fourth should have TV/VCR suitable tapes show Fifth should have TOPMAC AIvIA AMA Member Site Insurance info give site owners/managers Sixth etc etc honestly Id rather beat big stick bout See site problem Flying Opportunities list below contains both flying session listings carried over listing previous column latest update contact-persons list CDs events beginning October 1994 send schedules ASAP Caution Call verify dates before leaving home CaliforniaBurbank Blacksheep Exhibition Squadron VMF-214 has monthly sessions second Fridays flying Cat site Luther Burbank Middle School 7-10 pm Tony Naccarato 2121 N Hollywood Way Burbank CA 91507 Tel 818 842-5062 CaliforniaLos Angeles area Monthly sessions Naval & Marine Corps Armory next Dodger Stadium Paul Avery 6360 Germania Ct Agoura Hills CA 91301 Tel 818 707-0282 CaliforniaMann County 20 miles north San Francisco Year-round minicontests 8 am-2 pm fourth Sunday month site standard basketball court 28 feet clear Contact Tom Brennan 21326 Via Colombard Sonoma CA 95476 Tel 707 938-2893 CaliforniaSan Diego Fun-Fly Scale sessions 2nd Friday month monthly sessions 4th Friday Colina Del Sol Community Center Cat 5316 Orange Ave San Diego Howard Haupt 3860 Ecochee Ave San Diego CA 92117 Tel 619 272-5656 CanadaOntario area Dan OGrady 50 Largo Crescent Nepean Ontario K2G 3C7 Canada ColoradoDenver Les Shaw Tel 303 499-0946 September 1994 101 simple beam balance simplifies matching spacer shortWing held place using sliding clips Wings fore/aft position motor weights see text Tenny photoincidence wing post length adjustable Bottom view wing clip made two pieces aluminum beverage can Tenny photo ConnecticutGlastonbury George Armstead 89 Harvest Lane Glastonbury CT 06037 Tel 203 633-7836 ConnecticutNorwich Jerry Bockius 48 Division St Norwich CT 06360 Tel 203 887-5879 ConnecticutWilton Roger Kleinert 17 Gardiner St Darien CT 06820 Tel 203 655-1585 FloridaContact Dr John Martin 2180 Tigertail Ave Miami FL 33133 Tel 305 858-6363 GeorgiaAtlanta area Contact John Barker Tel 404 436-9912 IdahoKibbie Dome Andy Tagliafico 650-B Taybin Road NW Salem OR 97304 Tel 503 371-0492 IowaCedar Rapids Paul Mcllrath 1524 48th St NE Cedar Rapids IA 52402 Tel 319 393-4677 IdahoKibbie Dome Andy Tagliafico 10039 SW Quail Post Rd Portland OR 97219 Tel 503 452-0546 IllinoisChicago area Year-round weekly sessions 25-foot gym College DuPage Glen Ellyn Illinois Currently held 6-11 pm Monday evenings Bob Warmann 245 N Oaklawn Elmhurst IL 60126 Tel 708 834-9075 KansasTopeka Jack Koehlar 3425 SW Arrowhead Rd Topeka KS 66614-3485 Tel 913 272-8439 KansasWichita Contact Stan Chilton 725 E Lincoln Wichita KS 67211-3302 Tel 316 686-9634 KentuckyLouisville Flying sessions Tuesday Sawyer Park site 11 am-1 pm Also Saturday month subject military schedules Kentucky Air National Guard suite 10 am 2 pm Contact Mason Plank 3207 Oriole Dr Louisville KY 40213 Tel 502 634-8191 MarylandGoddard NAS Goddard NAS Record Trials flying sessions scheduled auditorium Building 8 Goddard NAS Saturdays 11 am-1030 pm July 16 August 6 August 20 September 17 October 1* October 15* October 29* 1994 * tioned national FAI record trials NASA security requires attendees US citizens AMA members license available inspection gate list compiled Tom Vallee must notify Tom intent attend advance meet Changes NASA launch schedules other possible events can preempt auditorium much warning sure verify date Tom before leaving home Tom Vallee 444 Henryton So Laurel MD 20707 Tel 301 498-0790 MassachusettsCambridge MIT Ray Harlan 15 Happy Hollow Rd Wayland MA 01778 Tel 617 358-4013 MinnesotaBurnsville John OLeary 11425 Kell Circle Bloomington MN 55437 Tel 612 888-0638 Dell Marchant 17110 24th Ave N Plymouth MN 55447 Tel 612 473-5971 NebraskaBeatrice John Pakiz 4523 Poppleton Ave Omaha NE 68106 Tel 402 551-2964 New JerseyLakehurst Flying sessions contestslrecord trials Hangar #1 almost weekend between July end October Friday through Monday Labor Day weekend Contact Gary Underwood address shown below make necessary arrangements access Lakehurst NAS Attendance Lakehurst meets require strict adherence rules 1 must furnish name drivers license number make model vehicle license plate number state registration* Gary Underwood later Wednesday before meet plan attend 2 Obey military regulations especially speed limits no-smoking areas restricted parking clearly posted 3 Certain base personnel give access lavatories other facilities Please route requests assistance through CD 4 absolutely must leave flying area least clean find check CD about locate equipment 5 No photos allowed except hangar *Out town participants fly rent car must make special arrangements regarding auto identification Contact Gary Underwood 9 Treelawn Terrace Mercerville NJ 08619 Tel 609 586-3202 information New JerseyNorthern Area Don Ross 38 Churchill Rd Cresskill NJ 07626 Tel 201 568-5272 New JerseyUnion area Fergus Collins 48 East Hazlewood Ave Rahway NJ 07067 New YorkBrooklyn Contact Don Ross 38 Churchill Rd Cresskill NJ 07626 Tel 201 568-5272 New YorkLevittown Cantiaque Richard Fiore 531 Secatogue Ave Farmingdale LI NY 11735 Tel 516 249-4358 New YorkLocust Valley Fred Dippel 102 Model Aviation write CallSmithy Dept MA 1-800-345-6342 Lathe l 3023 E 2nd Street Ask operator MAThe Dalles DR 97058 -6IbFIygWghGIaF.6Cod BiIde Ki $255Sheed K $365DI Sheed Ki $495 ULTIMATESPORT RC 255 E tA6hlond/PO$o727/SodoSpries Idcto $3276 1-200-547-3742FoF,heIfoSe,dSASE ULTWTE 0-300 WPE 2 David Court Glen Cove LI NY 11542 Tel 516 671-2858 New YorkNYC Dan Marek 210 West 101st St #1OF NYC 10025 Tel 212 222-1546 New YorkQueens Bob Bender 159 Raff Ave MineolaNY 11501 Tel 516 248-5118 OhioCleveland area Weekly sessions year-round Cat sites site Willoughby Andrews School has 20-foot flat ceiling 60 x 80-foot floor area other site Meridian Euclid Hospital Euclid has 195foot ceiling 45 x 70-foot floor area Contact Vein Hacker 25599 Breckenridge Dr Euclid OH 44117-1807 Tel 216 486-4990 OklahomaOklahoma City Jim Belson 4933 NW 29th Oklahoma City OK 73129 Tel 405 946-1093 OklahomaTulsa Roy OMara 9120 E 7th St Tulsa OK 74112 Tel 918 835-6880 OregonAlbany Bob Stalick 5066 NW Picadilly Cir Albany OR 97321 Tel 503 928-8101 PennslyvaniaEastern Walt Eggert Jr 26 Moredon Rd Huntington Valley PA 19006 Tel 215 947-4387 PennslyvaniaPhiladelphia Joe Krush 409 Warner Rd Wayne PA 19087 Tel 215 688-3927 VirginiaNewport News Abram Van Dover 112 Tillerson Drive Newport News VA 23602 Washington StateSeattle area Ed Lamb 15911 SE 42nd Place Bellevue WA 98006 Tel 206 747-7806 WisconsinRacine Tony Italiano 1655 Revere Dr Brookfield WI 53005 Tel 414 782-6256 Rubber Aging following comments Ted Ballin appeared Bat Sheet newsletter Strat-O-Bats club long will rubber last Almost indefinitely seems have some Champion rubber purchased 1981 still excellent condition has never refrigerator trick seems to keep chemically inert airtight container Light oxygen major causes rubber deterioration other areas country summer temperatures excess 900F common refrigeration may required keep its original one-pound-size cardboard box sealed masking tape box turn placed two heavy weight plastic grocery bags QFC supplies heaviest Seattle area plastic bags twisted tightly shut tied standard grocery store metal twist-tie recommend storage empty coffee cans metal heat conductor Rubber definitely improves age exactly improvement stops deterioration startshas knowledge tested Competitive bicycle racers use special racing tires called tubulars sew-ups have pure rubber inner tube immediately use tires age placing old rims storing cool place two years Editorial comment true rubber improved age always true comments apply Pirelli earlier batches Tan have insufficient experience Tan II comment same concepts should still apply 1 rubber over-vulcanized during manufacture aging can make worse doesnt break stress such rubber normally wont accept turns properly cured rubber 2 measure rubber hardness rate recovery stress quite apparent Tan acceptable Tan returns break-in length half hour recovery takes hour save motor next day firmly believe keeping good records recovery time rubber key concept judging rubber vulcanization Note doubt close correlation between absolute quality energy storage capability level vulcanization does seem likely undervulcanized rubber cant return much total energy properly cured rubber also supposition Similarly very hard rubber may return high level energy form likely useful Laminated Outlines Tulsa Glue Dobbers newsletter Laminating tips Double entendre intended have used several materials forms laminated tips have just found like run across original article again will give credit used thin cardboard before packaging S packs sandpaper Wal-Mart did like way pattern edges finished tendency glue stick pattern tried wax Saran Wrap shield edges getting mixed results tip Seal edge cardboard pattern thin coat white glue has dried apply thin coat wax edge car beeswax OK edge pattern tough September 1994 103 WANTED Ignition Model Engines 1930s 1950s Elf Baby Cyclone Brown Jr Ohlsson Etc -ALSOModel Race Cars & Boats Any Parts Spark Plugs Etc Woody Bartelt 1301 W Lafayette Sturgis MI 49091 800-982-5464 616-665-9693 REIITh QUALITY MODEL PRODUCES GIANT SCALE SPECIAlISTS Zonosh Quadra Sales Parts -Service 1/4 1/3 scale kits Ercoupe Tomahawk -J3 Kitten Khmer -hyloreraft Quartermaster 16 Main St Phelps NY 14532 Catalog $100 315-548-3779 REICHMUTH IGNITIONS [Electronic advance systems no moving parts] complete electronics fixed mechanical advance systems Direct replacement popular systems CUSTOM COMPONENTS Reichmuth Ignitions will supply capacitor discharge spark coils Circuit boards fixed electronic advance systems harness both switch Hall sensors Call write information quotes Dan Reichmuth 517 Ave D San Manuel AZ 85631 602 385-2511 Mountain Time laminated surfaces will stick soak balsa strips water wetting agent apply Titebond face lamination pin strips place wait overnight dry use strips masking tape hold strips pattern may nuke Radarange Ed note candle wax rubbed forms works very well Technical Stuff Boeing Hawks newsletter Have ever heard lead wool ran across strange material plumbing section McLendons hardware store looks just like steel wool Plumbers use jam cracks joints drain pipesso man explained seemed like might useful modelers situations need pack lot nose weight small space could pack stuff odd-shaped cavity conveniently higher density using lead sheet shot could probably also used filler epoxy make molded ballast forms such spinner Quarter-motors have never heard started using half- quarter-motors Clarence Mather used technique preparing 1968 World Championships Rome test flying Cat site WC site 100 feet high fractional motor concept works way 1 Make motor presumed correct cross-section except one-fourth long final motor will 2 Make spacer bar hooks end spacer must three-quarters distance between prop hook rear hook model 3 Add enough weight spacer make exactly three times heavy short motor 4 Fly model combination Altitude reached flight time will almost exactly one-fourth great flights full motor 5 Adjust loop length cross-section short motor needed zero correct motor size weight Always change weight spacer track adjusted motor photo shows Jim Clems simple go no-go scale simplifies trimming spacer weight match changes test motor weight Most weight scale above pivot scale will tip over-center stay spacer weighs exactly three times much motor test push high end just past center Unless ratio correct beam will return original position Test both positions sure beam must have center hook long end rubber exactly three times far pivot other hook Slide Wing wings Pennyplanes MiniSticks other duration models could slide adjustment instead plugging sockets final trim would much easier Other photos show Jim Clem s experimental fixtures achieve sliding wing photo shows close-up normal socket attached metal clip fits Pennyplane motor stick Another photo shows bottom view clip note made two pieces aluminum drink can two pieces attached using cyanoacrylate glue Another photo shows clips place socket open bottom wing position incidence wing post length can varied gain possible information test-flying new model shown tiny rubber bands help secure clips position oin Giants Help Promote II I~9~NonCompetitive _____ __ ___ Flying Large RIC Air Craft i IIeget aeIMetuA,cIt I IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATION I] NEW IJ RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIATURE AIRCRAFT ASSOCIATION INC Name ____________________________ Phone __________________ I Street ______________________________________ P0 Box/Route Box ________________ _________________________State/Province _________________Zip __________________ 1CIty IMAA __________AMA Number ____________MAAC ___________Chapter __________ L MAIL TO IMAA Secretary DONE VINEYARD 205S HiIIdce Road a KS 67401w 104 Model Aviation KLOUD KING 72 *4 EL UXE KIT $15995 SPECIFICATIONS Engine 21 40 2 cycle 40 48 4 Cycle Radio 3 Channel B&M MODEL CO 290 W 1050 N LAYrON UT 84041 PHONE 801544-5689 Seed Call Free Brochure ADD $695 SHIPPING/HANDLING UT RES ADD 625% TAX RIC BEGINNERS DONT GIVE DPI Unfortunately MOST advertised R/C trainers too fast unstable average beginner take heart because COULD SOLO YOUR VERY FIRST TIME UP cant find Instructor Thanks extensive trainer flight-testing ever conducted hobby can now know advance ones will fly slow hands-off stable ones Send $395 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 models evaluated including ARFa Also grades easeot-building explains easyflight aerodynamics dares address questions poor trainers good trainers marketed does no warn about GUARANTEED enlightening time-saving money-saving R/O publication have ever read money back Also available Flying lessons written especially lone eagle must go ft alone Leernlng Fly R/C Without Instructor $425 plus 750 postage Includes troubleshooting tlight problems Send check money order fo JIm Waterman 3818 DeertleId Dr Dept MA San AntonIo TX 78218