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Author: B. Underwood


Edition: Model Aviation - 1999/04
Page Numbers: 91, 93, 94, 95

U Bob Underwood ZZiiik zu U i w urn- potpourri time Four subjects will form basis offering Evidently January column struck responsive chord Upon returning FAI Federation Aeronautique Internationale meeting Paris found letters addressing parts column Two provided some thought-provoking ideas concerns excerpts follow WP Higgins concerned abominable help given supplier cites awful non-existent erroneous information provided ads product wide range ethics prevalent concern organization AMA fearful helping us get case errant ad paying supplier WP listed four manufacturers/distributors felt lax responding needs concerns recently returning aeromodeler agreed concept shape up will around few years feels time its too late have struggled other end spectrum wrote about supplier may well kitchen-table operation outstanding ize Mr Higgins excellent position criticize treatment letter since failed provide specific company names included plead indulgence current AMA policy doesnt allow option Some may chide suggesting specifically newcomer problem may true However its fair say newcomer mostoften affected general lack knowledge concerning hobby would remiss add WP s observations concerning questionable ethics after-purchase help limited aeromodeling society rife concerns about issues Its sign time pretty last sentence Thank beginning dialogue Keep up please Any responses other side letter Bob Wilson provided comments regarding club experts club experts droned meeting hour forty minutes [at] another meeting hour twenty eight minutes mentioned president need Roberts Rules Order steamed about couple days finally called cuss out statement never heard Mr Roberts did need told run meeting Mr Wilson suggested AMA needs take some action idea try censure control rather educate suggested publishing manual officers second idea has video details running meeting specifically maintaining order meeting through use Roberts Rules Order Dennis Miendersma Palos RJC Club Woodland Aero Modelers provided copy groups Student Pilot Flight Instruction Manual 21-page book nicely written quite comprehensive especially interested some admonitions reason aircraft trouble headed pit area spectators level best kill power ditch Dont try save Planes cheaper people Its small sacrifice make aircraft goes down field trees dont move Note standing pick far distance reference point object Follow straight line search rescue effort searching trees listen aircraft overhead orient yourself April 1999 91 flighiline runway Its jungle out recover crashed aircraft sure pick up last piece splinter Youll glad did decide rebuild after shock wears off little pieces can glued together make templates create replacement parts Thank Dennis manual helpful Interested parties can download Web wwwpalosrccom Dennis indicated welcome use part book bothers immensely read clubs dont have instruction program place Amen met Smithsonian part Education Committee regarding muchanticipated roving display planned begin 1999 collection will wend its way around country several years pausing museums will feature 20 highly detailed models display community Academy will develop teacher workshops family/youth programs WA r-Iga1l*I-r-uw*IaaJAra1qhf-uJjay*IErfu 14210 Doolittle Dr Son Leandro CA 94577 510352-2021 Box 1063 Lorain Ohio 44055 Phone 440-282-8354 pper rcrZ LsquipJ Big Flying Scale Kits Over Two Foot Span * Piper Cub$1995 *Stinson 125$1995 * Piper PA-i 6$1995 * Jodel$1995 Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcraft$1295 * Stinson Voyager .$1 295 * PCE Porter$1295 Contest-Sport Kits * Hornet Embryo$1295 * Hornet P-30$1795 Fits P-30 & Pee Wee Rules * NEW Bostonian Knight $1 295 Outdoor Peanut Scale Kits 13 Span * Cub$1095 * Stinson 125$1095 * Vagabond$1095 * Farman$1095 * Jodel$1095 *Fike$1195 1/2 R/O Gas Electric Kits Fits Astro 035 Taylorcraft 5 Stinson 125 g5 HARD TO FIND ITEMS Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $500 Minimum Shipping Catalog $200 Mounts Lower notse PLUS less wear airframe expensive radio compo ents Simply BEST mounts available g"t WeEasy installation 3-year manufacturers warranty E tieCrankcase Width e 1175-190 95 10175-190 95 9155-170 . $8995 Y.. \I. $5895 Nthe best mounts too 6. ./0$2995 4u-501 2495 Now MORE options new larger rods 36 lengths 3/16 carbon rods allow longer unsupported runs greater stiftnes short runs 3/16 sets include HIGH QUALITY BALL LINKS choice 4/40 6/32titanium ends STRONGER STIFFER FAR LIGHTER Besides weighing LESS THAN HALF much threaded rod Carbon/Titanium pushrod FAR stiffer meaning less chance flutter deflection under flight loads Titanium fittings have 3/4 barbed insertfor gluing rods 3/4 threads adjustment CHMPRS2 5132x 24 CARBON RODS W/4 TITANIUM 4-40 ENDS1595 CHMPRE4 TITANIUM FITTINGS 4-40 THREAD 5/32 rod CHMROD24 CARBON PUSHROD 2 NEW2 36 x 3/16 rods 4 balI links 4 TITANIUM 4-40 ENDS April 1999 93 AUTO-VAC SYSTEM Introducing new fully automatic vacuum bagging system completely selfmonitaring has fully adjustable vacuum switch large capacity reservoir prevents frequent cycling vacuum pump Auto-Vac kit comes completely assembled mounted wood base ready use Included kit ~7 EZ Yac II electric pump rated 24 Hg vacuum switch stable 5 22 Hg vacuum gauge large capacity reservoir check valve neoprene tubing EZ Vac connector two Quick-Lack seals 9 18 wide hagging tube 9 15 widecomplete breather clot set vacuum23t V System available bagging instructionsAdd SlOt tar 5&H hack MO/tIl Mt/VISA accepted reskients add 825% Tax puJe un anrrlNG ADui IU4ML FAX t406 259-4744 VISA Fast Safe Reliable & Affordable BatteryOne VERY BEST fast charg ers ever offered Charge bothTX RX same time trom 12v source Peak Detecting Charger tor $1 flft9545 8 cell packs Reverse Polar5 ty protection Completely automatic nc udes connecto Made n USA STOCK adaofe s ava abe n stock Central Hobbies Pushrods Carbon Fiber ORDERS ONLY 18007235937 2599004 08 Sat 106 MST Site wwwcentralhobbiescom WE ARE YOUR BEST SOURCE YS 4-Strokes Parts ba Radios Tettra Props Turn Vortex Spinners spotlight aeromodeling As soon itinerary established venues known work will begin enlisting help clubs individuals areas youve around aeromodeling hour might have run across phrase bigger better may seem tantamount manufacturers sales pitch its true bigger model better least flies better leaves newcomer some interesting puzzles As leaf through half-dozen model magazines catalogs might have amassed factor will stand out interest Radio Control bulk trainer aircraft see advertised fit size bracket 50-60 inches wingspan six pounds 40 45-power chance design answer yes notable offshoots theories promote smaller well larger bulk trainers show up field fit range engine may vary upward its fourstroke model size remains close standard might ask smaller wouldnt better After logic says initial cost less airframe engine etc upkeep less fuel isnt cheap have six-year-old Honda Civic transport field smaller seems better theres ever-present possibility impact terra firma wouldnt sturdy small model will have less chance sustaining damage answer items above basically no several reasons First model built fly crash favorite statement build model airplane survive crash brick wall will fly like brick wall could make modeling experience similar school science project student asked pack raw egg survive drop second floor window school breaking dont think thats goal scientific fact smaller model general type difficult get fly well going able change scientific laws make occur simplistic terms inherent problems small model must cope revolve around wing loading refers weight model ounces divided wing area square feet Before purists punch computer keys grab quill pen ball point crayon write know other considerations 94 Model Aviation ISION FIB ERGS Hundreds cowls radial cowls & wheelpants Strong lightweight one-piece construction Exact duplicate manufacturers original Phone orders information call 423-984-0828 Send $100 catalog $200 Outside US 9 am -6 pm EDT ri 3745 Fox Creek Rd sville TN 37777 SA EDGE SANDER EASY way prepare balsa sheets wing skinsl such wing volume aspect ratios whatever simplest terms however ounces per square foot wing area faster model must fly stay aloft critical things such stall speed overall control become has fact model may smaller still operates full-scale air air molecules passing across surfaces just dont call out another Hey small model comm bunch up can give lift smaller model can flown keep light lower wing loading allow fly faster Does mean 40-size trainer optimum No Bigger would definitely better Suppose model weighed five pounds wing area 450-500 square inches flew well 4045 two-stroke engine would give wing loading about 25-2 8 ounces/square feet Now suppose move model 800 sq use 60 eight pounds model would have wing loading 23 oz/sq ft Going down eh makes model easier keep up important thing remember general basic weight gain airframe usually much fuel carried maybe some small amount engine Actually choose carefully youll find 60 barely heavier 40 80s/90s about same 60 comes manufacturer using same basic engine increasing bore and/or stroke weight radio system remains constant long dont go big have use redundant servos must however consider tradeoffs going bigger cost highernot just engine kit ARF covering etc operating costs well go big enough model might fit Civic youll have buy van might little hard explain spouse might seem strange argument Thigger better vision may consideration 56 miles per hour model can gone before realize Think about mile minute model will -mile away 15 seconds Have someone 1320 feet away 4 1/2 football fields hold up model comparable youre considering see can tell what attitude its see eye doctor b try larger model c try macram6 * Use Tips What Use Tips Color Charts Dry Times P0 Box 564 ra IP MIDWBSI Hobart IN 46342 onlti co INC 800 348-3497 Ext 340 E-mI Inideestprodectscon INTUflflhIWIMft IWW LIME PRECISION PROP NUTS AND HUBS Now greater choice quality Tru-Turn products 3 sizes PROP NUTS ranging 5/8 7/8 diameter 2 shapes available stock RIO engine thread sizes 5 sizes PROP HUBS ranging 1 2 diameter 2 shapes new PROP NUTS PROP HUBS addition existing line precision aluminum spinners range 1 -1/2 6 over 90 shapes sizes blade configurations new Tru-Turn PROP HUB line complimented extensive line over 70 adapter kits Tru-Turn makes adapter production R/O engine market have adapter problem. help phone call away. See hobby dealer call us direct. Made Ix theU5A PRECISION MODEL PRODUCTS Aomco Manufactunng Inc QUALITY ATILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713 / 943-1867 Visit us internet ru-turnnet vIse April 1999 95 Get FREE Guide Choosing Right Hobby Paints with

Author: B. Underwood


Edition: Model Aviation - 1999/04
Page Numbers: 91, 93, 94, 95

U Bob Underwood ZZiiik zu U i w urn- potpourri time Four subjects will form basis offering Evidently January column struck responsive chord Upon returning FAI Federation Aeronautique Internationale meeting Paris found letters addressing parts column Two provided some thought-provoking ideas concerns excerpts follow WP Higgins concerned abominable help given supplier cites awful non-existent erroneous information provided ads product wide range ethics prevalent concern organization AMA fearful helping us get case errant ad paying supplier WP listed four manufacturers/distributors felt lax responding needs concerns recently returning aeromodeler agreed concept shape up will around few years feels time its too late have struggled other end spectrum wrote about supplier may well kitchen-table operation outstanding ize Mr Higgins excellent position criticize treatment letter since failed provide specific company names included plead indulgence current AMA policy doesnt allow option Some may chide suggesting specifically newcomer problem may true However its fair say newcomer mostoften affected general lack knowledge concerning hobby would remiss add WP s observations concerning questionable ethics after-purchase help limited aeromodeling society rife concerns about issues Its sign time pretty last sentence Thank beginning dialogue Keep up please Any responses other side letter Bob Wilson provided comments regarding club experts club experts droned meeting hour forty minutes [at] another meeting hour twenty eight minutes mentioned president need Roberts Rules Order steamed about couple days finally called cuss out statement never heard Mr Roberts did need told run meeting Mr Wilson suggested AMA needs take some action idea try censure control rather educate suggested publishing manual officers second idea has video details running meeting specifically maintaining order meeting through use Roberts Rules Order Dennis Miendersma Palos RJC Club Woodland Aero Modelers provided copy groups Student Pilot Flight Instruction Manual 21-page book nicely written quite comprehensive especially interested some admonitions reason aircraft trouble headed pit area spectators level best kill power ditch Dont try save Planes cheaper people Its small sacrifice make aircraft goes down field trees dont move Note standing pick far distance reference point object Follow straight line search rescue effort searching trees listen aircraft overhead orient yourself April 1999 91 flighiline runway Its jungle out recover crashed aircraft sure pick up last piece splinter Youll glad did decide rebuild after shock wears off little pieces can glued together make templates create replacement parts Thank Dennis manual helpful Interested parties can download Web wwwpalosrccom Dennis indicated welcome use part book bothers immensely read clubs dont have instruction program place Amen met Smithsonian part Education Committee regarding muchanticipated roving display planned begin 1999 collection will wend its way around country several years pausing museums will feature 20 highly detailed models display community Academy will develop teacher workshops family/youth programs WA r-Iga1l*I-r-uw*IaaJAra1qhf-uJjay*IErfu 14210 Doolittle Dr Son Leandro CA 94577 510352-2021 Box 1063 Lorain Ohio 44055 Phone 440-282-8354 pper rcrZ LsquipJ Big Flying Scale Kits Over Two Foot Span * Piper Cub$1995 *Stinson 125$1995 * Piper PA-i 6$1995 * Jodel$1995 Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcraft$1295 * Stinson Voyager .$1 295 * PCE Porter$1295 Contest-Sport Kits * Hornet Embryo$1295 * Hornet P-30$1795 Fits P-30 & Pee Wee Rules * NEW Bostonian Knight $1 295 Outdoor Peanut Scale Kits 13 Span * Cub$1095 * Stinson 125$1095 * Vagabond$1095 * Farman$1095 * Jodel$1095 *Fike$1195 1/2 R/O Gas Electric Kits Fits Astro 035 Taylorcraft 5 Stinson 125 g5 HARD TO FIND ITEMS Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $500 Minimum Shipping Catalog $200 Mounts Lower notse PLUS less wear airframe expensive radio compo ents Simply BEST mounts available g"t WeEasy installation 3-year manufacturers warranty E tieCrankcase Width e 1175-190 95 10175-190 95 9155-170 . $8995 Y.. \I. $5895 Nthe best mounts too 6. ./0$2995 4u-501 2495 Now MORE options new larger rods 36 lengths 3/16 carbon rods allow longer unsupported runs greater stiftnes short runs 3/16 sets include HIGH QUALITY BALL LINKS choice 4/40 6/32titanium ends STRONGER STIFFER FAR LIGHTER Besides weighing LESS THAN HALF much threaded rod Carbon/Titanium pushrod FAR stiffer meaning less chance flutter deflection under flight loads Titanium fittings have 3/4 barbed insertfor gluing rods 3/4 threads adjustment CHMPRS2 5132x 24 CARBON RODS W/4 TITANIUM 4-40 ENDS1595 CHMPRE4 TITANIUM FITTINGS 4-40 THREAD 5/32 rod CHMROD24 CARBON PUSHROD 2 NEW2 36 x 3/16 rods 4 balI links 4 TITANIUM 4-40 ENDS April 1999 93 AUTO-VAC SYSTEM Introducing new fully automatic vacuum bagging system completely selfmonitaring has fully adjustable vacuum switch large capacity reservoir prevents frequent cycling vacuum pump Auto-Vac kit comes completely assembled mounted wood base ready use Included kit ~7 EZ Yac II electric pump rated 24 Hg vacuum switch stable 5 22 Hg vacuum gauge large capacity reservoir check valve neoprene tubing EZ Vac connector two Quick-Lack seals 9 18 wide hagging tube 9 15 widecomplete breather clot set vacuum23t V System available bagging instructionsAdd SlOt tar 5&H hack MO/tIl Mt/VISA accepted reskients add 825% Tax puJe un anrrlNG ADui IU4ML FAX t406 259-4744 VISA Fast Safe Reliable & Affordable BatteryOne VERY BEST fast charg ers ever offered Charge bothTX RX same time trom 12v source Peak Detecting Charger tor $1 flft9545 8 cell packs Reverse Polar5 ty protection Completely automatic nc udes connecto Made n USA STOCK adaofe s ava abe n stock Central Hobbies Pushrods Carbon Fiber ORDERS ONLY 18007235937 2599004 08 Sat 106 MST Site wwwcentralhobbiescom WE ARE YOUR BEST SOURCE YS 4-Strokes Parts ba Radios Tettra Props Turn Vortex Spinners spotlight aeromodeling As soon itinerary established venues known work will begin enlisting help clubs individuals areas youve around aeromodeling hour might have run across phrase bigger better may seem tantamount manufacturers sales pitch its true bigger model better least flies better leaves newcomer some interesting puzzles As leaf through half-dozen model magazines catalogs might have amassed factor will stand out interest Radio Control bulk trainer aircraft see advertised fit size bracket 50-60 inches wingspan six pounds 40 45-power chance design answer yes notable offshoots theories promote smaller well larger bulk trainers show up field fit range engine may vary upward its fourstroke model size remains close standard might ask smaller wouldnt better After logic says initial cost less airframe engine etc upkeep less fuel isnt cheap have six-year-old Honda Civic transport field smaller seems better theres ever-present possibility impact terra firma wouldnt sturdy small model will have less chance sustaining damage answer items above basically no several reasons First model built fly crash favorite statement build model airplane survive crash brick wall will fly like brick wall could make modeling experience similar school science project student asked pack raw egg survive drop second floor window school breaking dont think thats goal scientific fact smaller model general type difficult get fly well going able change scientific laws make occur simplistic terms inherent problems small model must cope revolve around wing loading refers weight model ounces divided wing area square feet Before purists punch computer keys grab quill pen ball point crayon write know other considerations 94 Model Aviation ISION FIB ERGS Hundreds cowls radial cowls & wheelpants Strong lightweight one-piece construction Exact duplicate manufacturers original Phone orders information call 423-984-0828 Send $100 catalog $200 Outside US 9 am -6 pm EDT ri 3745 Fox Creek Rd sville TN 37777 SA EDGE SANDER EASY way prepare balsa sheets wing skinsl such wing volume aspect ratios whatever simplest terms however ounces per square foot wing area faster model must fly stay aloft critical things such stall speed overall control become has fact model may smaller still operates full-scale air air molecules passing across surfaces just dont call out another Hey small model comm bunch up can give lift smaller model can flown keep light lower wing loading allow fly faster Does mean 40-size trainer optimum No Bigger would definitely better Suppose model weighed five pounds wing area 450-500 square inches flew well 4045 two-stroke engine would give wing loading about 25-2 8 ounces/square feet Now suppose move model 800 sq use 60 eight pounds model would have wing loading 23 oz/sq ft Going down eh makes model easier keep up important thing remember general basic weight gain airframe usually much fuel carried maybe some small amount engine Actually choose carefully youll find 60 barely heavier 40 80s/90s about same 60 comes manufacturer using same basic engine increasing bore and/or stroke weight radio system remains constant long dont go big have use redundant servos must however consider tradeoffs going bigger cost highernot just engine kit ARF covering etc operating costs well go big enough model might fit Civic youll have buy van might little hard explain spouse might seem strange argument Thigger better vision may consideration 56 miles per hour model can gone before realize Think about mile minute model will -mile away 15 seconds Have someone 1320 feet away 4 1/2 football fields hold up model comparable youre considering see can tell what attitude its see eye doctor b try larger model c try macram6 * Use Tips What Use Tips Color Charts Dry Times P0 Box 564 ra IP MIDWBSI Hobart IN 46342 onlti co INC 800 348-3497 Ext 340 E-mI Inideestprodectscon INTUflflhIWIMft IWW LIME PRECISION PROP NUTS AND HUBS Now greater choice quality Tru-Turn products 3 sizes PROP NUTS ranging 5/8 7/8 diameter 2 shapes available stock RIO engine thread sizes 5 sizes PROP HUBS ranging 1 2 diameter 2 shapes new PROP NUTS PROP HUBS addition existing line precision aluminum spinners range 1 -1/2 6 over 90 shapes sizes blade configurations new Tru-Turn PROP HUB line complimented extensive line over 70 adapter kits Tru-Turn makes adapter production R/O engine market have adapter problem. help phone call away. See hobby dealer call us direct. Made Ix theU5A PRECISION MODEL PRODUCTS Aomco Manufactunng Inc QUALITY ATILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713 / 943-1867 Visit us internet ru-turnnet vIse April 1999 95 Get FREE Guide Choosing Right Hobby Paints with

Author: B. Underwood


Edition: Model Aviation - 1999/04
Page Numbers: 91, 93, 94, 95

U Bob Underwood ZZiiik zu U i w urn- potpourri time Four subjects will form basis offering Evidently January column struck responsive chord Upon returning FAI Federation Aeronautique Internationale meeting Paris found letters addressing parts column Two provided some thought-provoking ideas concerns excerpts follow WP Higgins concerned abominable help given supplier cites awful non-existent erroneous information provided ads product wide range ethics prevalent concern organization AMA fearful helping us get case errant ad paying supplier WP listed four manufacturers/distributors felt lax responding needs concerns recently returning aeromodeler agreed concept shape up will around few years feels time its too late have struggled other end spectrum wrote about supplier may well kitchen-table operation outstanding ize Mr Higgins excellent position criticize treatment letter since failed provide specific company names included plead indulgence current AMA policy doesnt allow option Some may chide suggesting specifically newcomer problem may true However its fair say newcomer mostoften affected general lack knowledge concerning hobby would remiss add WP s observations concerning questionable ethics after-purchase help limited aeromodeling society rife concerns about issues Its sign time pretty last sentence Thank beginning dialogue Keep up please Any responses other side letter Bob Wilson provided comments regarding club experts club experts droned meeting hour forty minutes [at] another meeting hour twenty eight minutes mentioned president need Roberts Rules Order steamed about couple days finally called cuss out statement never heard Mr Roberts did need told run meeting Mr Wilson suggested AMA needs take some action idea try censure control rather educate suggested publishing manual officers second idea has video details running meeting specifically maintaining order meeting through use Roberts Rules Order Dennis Miendersma Palos RJC Club Woodland Aero Modelers provided copy groups Student Pilot Flight Instruction Manual 21-page book nicely written quite comprehensive especially interested some admonitions reason aircraft trouble headed pit area spectators level best kill power ditch Dont try save Planes cheaper people Its small sacrifice make aircraft goes down field trees dont move Note standing pick far distance reference point object Follow straight line search rescue effort searching trees listen aircraft overhead orient yourself April 1999 91 flighiline runway Its jungle out recover crashed aircraft sure pick up last piece splinter Youll glad did decide rebuild after shock wears off little pieces can glued together make templates create replacement parts Thank Dennis manual helpful Interested parties can download Web wwwpalosrccom Dennis indicated welcome use part book bothers immensely read clubs dont have instruction program place Amen met Smithsonian part Education Committee regarding muchanticipated roving display planned begin 1999 collection will wend its way around country several years pausing museums will feature 20 highly detailed models display community Academy will develop teacher workshops family/youth programs WA r-Iga1l*I-r-uw*IaaJAra1qhf-uJjay*IErfu 14210 Doolittle Dr Son Leandro CA 94577 510352-2021 Box 1063 Lorain Ohio 44055 Phone 440-282-8354 pper rcrZ LsquipJ Big Flying Scale Kits Over Two Foot Span * Piper Cub$1995 *Stinson 125$1995 * Piper PA-i 6$1995 * Jodel$1995 Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcraft$1295 * Stinson Voyager .$1 295 * PCE Porter$1295 Contest-Sport Kits * Hornet Embryo$1295 * Hornet P-30$1795 Fits P-30 & Pee Wee Rules * NEW Bostonian Knight $1 295 Outdoor Peanut Scale Kits 13 Span * Cub$1095 * Stinson 125$1095 * Vagabond$1095 * Farman$1095 * Jodel$1095 *Fike$1195 1/2 R/O Gas Electric Kits Fits Astro 035 Taylorcraft 5 Stinson 125 g5 HARD TO FIND ITEMS Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $500 Minimum Shipping Catalog $200 Mounts Lower notse PLUS less wear airframe expensive radio compo ents Simply BEST mounts available g"t WeEasy installation 3-year manufacturers warranty E tieCrankcase Width e 1175-190 95 10175-190 95 9155-170 . $8995 Y.. \I. $5895 Nthe best mounts too 6. ./0$2995 4u-501 2495 Now MORE options new larger rods 36 lengths 3/16 carbon rods allow longer unsupported runs greater stiftnes short runs 3/16 sets include HIGH QUALITY BALL LINKS choice 4/40 6/32titanium ends STRONGER STIFFER FAR LIGHTER Besides weighing LESS THAN HALF much threaded rod Carbon/Titanium pushrod FAR stiffer meaning less chance flutter deflection under flight loads Titanium fittings have 3/4 barbed insertfor gluing rods 3/4 threads adjustment CHMPRS2 5132x 24 CARBON RODS W/4 TITANIUM 4-40 ENDS1595 CHMPRE4 TITANIUM FITTINGS 4-40 THREAD 5/32 rod CHMROD24 CARBON PUSHROD 2 NEW2 36 x 3/16 rods 4 balI links 4 TITANIUM 4-40 ENDS April 1999 93 AUTO-VAC SYSTEM Introducing new fully automatic vacuum bagging system completely selfmonitaring has fully adjustable vacuum switch large capacity reservoir prevents frequent cycling vacuum pump Auto-Vac kit comes completely assembled mounted wood base ready use Included kit ~7 EZ Yac II electric pump rated 24 Hg vacuum switch stable 5 22 Hg vacuum gauge large capacity reservoir check valve neoprene tubing EZ Vac connector two Quick-Lack seals 9 18 wide hagging tube 9 15 widecomplete breather clot set vacuum23t V System available bagging instructionsAdd SlOt tar 5&H hack MO/tIl Mt/VISA accepted reskients add 825% Tax puJe un anrrlNG ADui IU4ML FAX t406 259-4744 VISA Fast Safe Reliable & Affordable BatteryOne VERY BEST fast charg ers ever offered Charge bothTX RX same time trom 12v source Peak Detecting Charger tor $1 flft9545 8 cell packs Reverse Polar5 ty protection Completely automatic nc udes connecto Made n USA STOCK adaofe s ava abe n stock Central Hobbies Pushrods Carbon Fiber ORDERS ONLY 18007235937 2599004 08 Sat 106 MST Site wwwcentralhobbiescom WE ARE YOUR BEST SOURCE YS 4-Strokes Parts ba Radios Tettra Props Turn Vortex Spinners spotlight aeromodeling As soon itinerary established venues known work will begin enlisting help clubs individuals areas youve around aeromodeling hour might have run across phrase bigger better may seem tantamount manufacturers sales pitch its true bigger model better least flies better leaves newcomer some interesting puzzles As leaf through half-dozen model magazines catalogs might have amassed factor will stand out interest Radio Control bulk trainer aircraft see advertised fit size bracket 50-60 inches wingspan six pounds 40 45-power chance design answer yes notable offshoots theories promote smaller well larger bulk trainers show up field fit range engine may vary upward its fourstroke model size remains close standard might ask smaller wouldnt better After logic says initial cost less airframe engine etc upkeep less fuel isnt cheap have six-year-old Honda Civic transport field smaller seems better theres ever-present possibility impact terra firma wouldnt sturdy small model will have less chance sustaining damage answer items above basically no several reasons First model built fly crash favorite statement build model airplane survive crash brick wall will fly like brick wall could make modeling experience similar school science project student asked pack raw egg survive drop second floor window school breaking dont think thats goal scientific fact smaller model general type difficult get fly well going able change scientific laws make occur simplistic terms inherent problems small model must cope revolve around wing loading refers weight model ounces divided wing area square feet Before purists punch computer keys grab quill pen ball point crayon write know other considerations 94 Model Aviation ISION FIB ERGS Hundreds cowls radial cowls & wheelpants Strong lightweight one-piece construction Exact duplicate manufacturers original Phone orders information call 423-984-0828 Send $100 catalog $200 Outside US 9 am -6 pm EDT ri 3745 Fox Creek Rd sville TN 37777 SA EDGE SANDER EASY way prepare balsa sheets wing skinsl such wing volume aspect ratios whatever simplest terms however ounces per square foot wing area faster model must fly stay aloft critical things such stall speed overall control become has fact model may smaller still operates full-scale air air molecules passing across surfaces just dont call out another Hey small model comm bunch up can give lift smaller model can flown keep light lower wing loading allow fly faster Does mean 40-size trainer optimum No Bigger would definitely better Suppose model weighed five pounds wing area 450-500 square inches flew well 4045 two-stroke engine would give wing loading about 25-2 8 ounces/square feet Now suppose move model 800 sq use 60 eight pounds model would have wing loading 23 oz/sq ft Going down eh makes model easier keep up important thing remember general basic weight gain airframe usually much fuel carried maybe some small amount engine Actually choose carefully youll find 60 barely heavier 40 80s/90s about same 60 comes manufacturer using same basic engine increasing bore and/or stroke weight radio system remains constant long dont go big have use redundant servos must however consider tradeoffs going bigger cost highernot just engine kit ARF covering etc operating costs well go big enough model might fit Civic youll have buy van might little hard explain spouse might seem strange argument Thigger better vision may consideration 56 miles per hour model can gone before realize Think about mile minute model will -mile away 15 seconds Have someone 1320 feet away 4 1/2 football fields hold up model comparable youre considering see can tell what attitude its see eye doctor b try larger model c try macram6 * Use Tips What Use Tips Color Charts Dry Times P0 Box 564 ra IP MIDWBSI Hobart IN 46342 onlti co INC 800 348-3497 Ext 340 E-mI Inideestprodectscon INTUflflhIWIMft IWW LIME PRECISION PROP NUTS AND HUBS Now greater choice quality Tru-Turn products 3 sizes PROP NUTS ranging 5/8 7/8 diameter 2 shapes available stock RIO engine thread sizes 5 sizes PROP HUBS ranging 1 2 diameter 2 shapes new PROP NUTS PROP HUBS addition existing line precision aluminum spinners range 1 -1/2 6 over 90 shapes sizes blade configurations new Tru-Turn PROP HUB line complimented extensive line over 70 adapter kits Tru-Turn makes adapter production R/O engine market have adapter problem. help phone call away. See hobby dealer call us direct. Made Ix theU5A PRECISION MODEL PRODUCTS Aomco Manufactunng Inc QUALITY ATILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713 / 943-1867 Visit us internet ru-turnnet vIse April 1999 95 Get FREE Guide Choosing Right Hobby Paints with

Author: B. Underwood


Edition: Model Aviation - 1999/04
Page Numbers: 91, 93, 94, 95

U Bob Underwood ZZiiik zu U i w urn- potpourri time Four subjects will form basis offering Evidently January column struck responsive chord Upon returning FAI Federation Aeronautique Internationale meeting Paris found letters addressing parts column Two provided some thought-provoking ideas concerns excerpts follow WP Higgins concerned abominable help given supplier cites awful non-existent erroneous information provided ads product wide range ethics prevalent concern organization AMA fearful helping us get case errant ad paying supplier WP listed four manufacturers/distributors felt lax responding needs concerns recently returning aeromodeler agreed concept shape up will around few years feels time its too late have struggled other end spectrum wrote about supplier may well kitchen-table operation outstanding ize Mr Higgins excellent position criticize treatment letter since failed provide specific company names included plead indulgence current AMA policy doesnt allow option Some may chide suggesting specifically newcomer problem may true However its fair say newcomer mostoften affected general lack knowledge concerning hobby would remiss add WP s observations concerning questionable ethics after-purchase help limited aeromodeling society rife concerns about issues Its sign time pretty last sentence Thank beginning dialogue Keep up please Any responses other side letter Bob Wilson provided comments regarding club experts club experts droned meeting hour forty minutes [at] another meeting hour twenty eight minutes mentioned president need Roberts Rules Order steamed about couple days finally called cuss out statement never heard Mr Roberts did need told run meeting Mr Wilson suggested AMA needs take some action idea try censure control rather educate suggested publishing manual officers second idea has video details running meeting specifically maintaining order meeting through use Roberts Rules Order Dennis Miendersma Palos RJC Club Woodland Aero Modelers provided copy groups Student Pilot Flight Instruction Manual 21-page book nicely written quite comprehensive especially interested some admonitions reason aircraft trouble headed pit area spectators level best kill power ditch Dont try save Planes cheaper people Its small sacrifice make aircraft goes down field trees dont move Note standing pick far distance reference point object Follow straight line search rescue effort searching trees listen aircraft overhead orient yourself April 1999 91 flighiline runway Its jungle out recover crashed aircraft sure pick up last piece splinter Youll glad did decide rebuild after shock wears off little pieces can glued together make templates create replacement parts Thank Dennis manual helpful Interested parties can download Web wwwpalosrccom Dennis indicated welcome use part book bothers immensely read clubs dont have instruction program place Amen met Smithsonian part Education Committee regarding muchanticipated roving display planned begin 1999 collection will wend its way around country several years pausing museums will feature 20 highly detailed models display community Academy will develop teacher workshops family/youth programs WA r-Iga1l*I-r-uw*IaaJAra1qhf-uJjay*IErfu 14210 Doolittle Dr Son Leandro CA 94577 510352-2021 Box 1063 Lorain Ohio 44055 Phone 440-282-8354 pper rcrZ LsquipJ Big Flying Scale Kits Over Two Foot Span * Piper Cub$1995 *Stinson 125$1995 * Piper PA-i 6$1995 * Jodel$1995 Semi-Scale Kits 002 Rubber Power 22 Span * Taylorcraft$1295 * Stinson Voyager .$1 295 * PCE Porter$1295 Contest-Sport Kits * Hornet Embryo$1295 * Hornet P-30$1795 Fits P-30 & Pee Wee Rules * NEW Bostonian Knight $1 295 Outdoor Peanut Scale Kits 13 Span * Cub$1095 * Stinson 125$1095 * Vagabond$1095 * Farman$1095 * Jodel$1095 *Fike$1195 1/2 R/O Gas Electric Kits Fits Astro 035 Taylorcraft 5 Stinson 125 g5 HARD TO FIND ITEMS Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $500 Minimum Shipping Catalog $200 Mounts Lower notse PLUS less wear airframe expensive radio compo ents Simply BEST mounts available g"t WeEasy installation 3-year manufacturers warranty E tieCrankcase Width e 1175-190 95 10175-190 95 9155-170 . $8995 Y.. \I. $5895 Nthe best mounts too 6. ./0$2995 4u-501 2495 Now MORE options new larger rods 36 lengths 3/16 carbon rods allow longer unsupported runs greater stiftnes short runs 3/16 sets include HIGH QUALITY BALL LINKS choice 4/40 6/32titanium ends STRONGER STIFFER FAR LIGHTER Besides weighing LESS THAN HALF much threaded rod Carbon/Titanium pushrod FAR stiffer meaning less chance flutter deflection under flight loads Titanium fittings have 3/4 barbed insertfor gluing rods 3/4 threads adjustment CHMPRS2 5132x 24 CARBON RODS W/4 TITANIUM 4-40 ENDS1595 CHMPRE4 TITANIUM FITTINGS 4-40 THREAD 5/32 rod CHMROD24 CARBON PUSHROD 2 NEW2 36 x 3/16 rods 4 balI links 4 TITANIUM 4-40 ENDS April 1999 93 AUTO-VAC SYSTEM Introducing new fully automatic vacuum bagging system completely selfmonitaring has fully adjustable vacuum switch large capacity reservoir prevents frequent cycling vacuum pump Auto-Vac kit comes completely assembled mounted wood base ready use Included kit ~7 EZ Yac II electric pump rated 24 Hg vacuum switch stable 5 22 Hg vacuum gauge large capacity reservoir check valve neoprene tubing EZ Vac connector two Quick-Lack seals 9 18 wide hagging tube 9 15 widecomplete breather clot set vacuum23t V System available bagging instructionsAdd SlOt tar 5&H hack MO/tIl Mt/VISA accepted reskients add 825% Tax puJe un anrrlNG ADui IU4ML FAX t406 259-4744 VISA Fast Safe Reliable & Affordable BatteryOne VERY BEST fast charg ers ever offered Charge bothTX RX same time trom 12v source Peak Detecting Charger tor $1 flft9545 8 cell packs Reverse Polar5 ty protection Completely automatic nc udes connecto Made n USA STOCK adaofe s ava abe n stock Central Hobbies Pushrods Carbon Fiber ORDERS ONLY 18007235937 2599004 08 Sat 106 MST Site wwwcentralhobbiescom WE ARE YOUR BEST SOURCE YS 4-Strokes Parts ba Radios Tettra Props Turn Vortex Spinners spotlight aeromodeling As soon itinerary established venues known work will begin enlisting help clubs individuals areas youve around aeromodeling hour might have run across phrase bigger better may seem tantamount manufacturers sales pitch its true bigger model better least flies better leaves newcomer some interesting puzzles As leaf through half-dozen model magazines catalogs might have amassed factor will stand out interest Radio Control bulk trainer aircraft see advertised fit size bracket 50-60 inches wingspan six pounds 40 45-power chance design answer yes notable offshoots theories promote smaller well larger bulk trainers show up field fit range engine may vary upward its fourstroke model size remains close standard might ask smaller wouldnt better After logic says initial cost less airframe engine etc upkeep less fuel isnt cheap have six-year-old Honda Civic transport field smaller seems better theres ever-present possibility impact terra firma wouldnt sturdy small model will have less chance sustaining damage answer items above basically no several reasons First model built fly crash favorite statement build model airplane survive crash brick wall will fly like brick wall could make modeling experience similar school science project student asked pack raw egg survive drop second floor window school breaking dont think thats goal scientific fact smaller model general type difficult get fly well going able change scientific laws make occur simplistic terms inherent problems small model must cope revolve around wing loading refers weight model ounces divided wing area square feet Before purists punch computer keys grab quill pen ball point crayon write know other considerations 94 Model Aviation ISION FIB ERGS Hundreds cowls radial cowls & wheelpants Strong lightweight one-piece construction Exact duplicate manufacturers original Phone orders information call 423-984-0828 Send $100 catalog $200 Outside US 9 am -6 pm EDT ri 3745 Fox Creek Rd sville TN 37777 SA EDGE SANDER EASY way prepare balsa sheets wing skinsl such wing volume aspect ratios whatever simplest terms however ounces per square foot wing area faster model must fly stay aloft critical things such stall speed overall control become has fact model may smaller still operates full-scale air air molecules passing across surfaces just dont call out another Hey small model comm bunch up can give lift smaller model can flown keep light lower wing loading allow fly faster Does mean 40-size trainer optimum No Bigger would definitely better Suppose model weighed five pounds wing area 450-500 square inches flew well 4045 two-stroke engine would give wing loading about 25-2 8 ounces/square feet Now suppose move model 800 sq use 60 eight pounds model would have wing loading 23 oz/sq ft Going down eh makes model easier keep up important thing remember general basic weight gain airframe usually much fuel carried maybe some small amount engine Actually choose carefully youll find 60 barely heavier 40 80s/90s about same 60 comes manufacturer using same basic engine increasing bore and/or stroke weight radio system remains constant long dont go big have use redundant servos must however consider tradeoffs going bigger cost highernot just engine kit ARF covering etc operating costs well go big enough model might fit Civic youll have buy van might little hard explain spouse might seem strange argument Thigger better vision may consideration 56 miles per hour model can gone before realize Think about mile minute model will -mile away 15 seconds Have someone 1320 feet away 4 1/2 football fields hold up model comparable youre considering see can tell what attitude its see eye doctor b try larger model c try macram6 * Use Tips What Use Tips Color Charts Dry Times P0 Box 564 ra IP MIDWBSI Hobart IN 46342 onlti co INC 800 348-3497 Ext 340 E-mI Inideestprodectscon INTUflflhIWIMft IWW LIME PRECISION PROP NUTS AND HUBS Now greater choice quality Tru-Turn products 3 sizes PROP NUTS ranging 5/8 7/8 diameter 2 shapes available stock RIO engine thread sizes 5 sizes PROP HUBS ranging 1 2 diameter 2 shapes new PROP NUTS PROP HUBS addition existing line precision aluminum spinners range 1 -1/2 6 over 90 shapes sizes blade configurations new Tru-Turn PROP HUB line complimented extensive line over 70 adapter kits Tru-Turn makes adapter production R/O engine market have adapter problem. help phone call away. See hobby dealer call us direct. Made Ix theU5A PRECISION MODEL PRODUCTS Aomco Manufactunng Inc QUALITY ATILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713 / 943-1867 Visit us internet ru-turnnet vIse April 1999 95 Get FREE Guide Choosing Right Hobby Paints with

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