Bob Underwood ZiZk@uhiu IN THE 32 YEARS have involved AMA activities ye exposed wide variety information Part stems range positions volunteer officer employee have held Coupled club Special Interest Group trade show participation has very helpful Perhaps interesting part has hearing misinformation can see newcomers often become confused hear some what shall refer myths Lets try sort out few Myth Number 1 AMA insurance company us work trade shows hear time interested newcomer will come ask company AMA sells insurance can fly Sometimes told someone directly sometimes its inferred fact AMA nor insurance company nor does sell insurance Academy not-for-profit 501c3 Internal Revenue Service [IRS] designation association benefits supplied member join various types insurance coverage individuals types range $25 million secondary liability protection medical coverage fire/theft coverage charter club level AMA provides primary coverage club site owner Access coverages through membership association through purchase policy automobile home Can get coverage joining AMA Can join AMA individual having coverage No just part really neat package stuff results membership Another benefit great magazine youre reading right now AMA insurance company Myth Number 2 engine must equipped AMA-approved safety nut Wrong used slang phrase aint no such animal would listed described AMA Safety Code Turn membership form provided magazine next page will find Safety Code Ill bet cant find anything about AMA-approved safety nut may see wording effect used commerciai advertisements would interesting find out what criteria used company develop product Some clarification needed Academy certainly recommends either rounded safety nut spinner used engine exposed crankshaft threads either can help protect fingers hand start engine using electric starter help keep starter drive-cone centered shaft Some clubs require use safety nuts spinners part field-safety rules Please know specific safety rules imposed AMA chartered club automaticaily become part required AMA Safety Code also some competition events require spinner safety nut include events such Scale Pylon RC Aerobatics RC Aerobatics minimum radius rounded tip device actually described short AMAs Safety Code does have requirement approved safety nut applies general sport flying Myth Number 3 covered AMA insurance must fly sanctioned AMA flying site Wow no such thing sanctioned AMA flying sitewe sanction sites cia sanction flying events though no specific site requirements imposed AMA Membership Manual Getting Keeping Flying Sites can find site recommendations including set back distances pits spectators overfly spaces etc have developed through years experience sites around country exceed recommendations have enhancements various types recommendations have always work progress fact insurance coverage predicated what fly area use must allow meet AIVIA Safety Code requirements fly what liOn Understand AMA strongly urges use established recognized flying site especially true Radio Control because potential interference created two individuals unknowingly operating close another using established site make certain have property owners permission biggest problem created using school playground other open areas inability control spectators model operating school grounds instance becomes magnet kidssometimes its very hard provide spectator control fly same time Myth Number 4 radio frequencies use shared commercial users true however before 1982 Since time have operated frequencies dedicated model aircraft onlynumbered channels 11 through 60 found 72 megahertz MHz 73MHz range other operations such model cars boats commercial users cannot legally operate assigned frequencies 72 MHz band still need watchful have instances people using aircraft-only frequencies other types operations Should find true would helpful report AMA Since frequencies spaced between potentially high-powered commercial users possibly several hundred watts lessthan-one-watt output may encounter interference transmitter close site beamed across instances may have shift another part spectrum secondary users therefore have work around legal highpowered transmissions Check local clubs hobby shops determine such problem exists area Myth Number 5 progression skill levels Free Flight FF Control Line CL Radio Control RCU implication start FE easy work through CL harder culminate RC hardest Dont believe itnot long shot myth possibly stems remember ten-cent rubber models youth mentally compare perhaps complicated turbine-powered Scale model What fail accept though aeromodeling actually offers three parallel venues progressing simplistic models complex becomes matter individual interest Free Flight difficult forms aeromodeling Remember making airplane fly properly requires highly developed aerodynamic skillsall work get ultimate flight must occur before model leaves hands arent lines help adjust pitch CL no levers move trim out model RC short three types models offers unique rewarding interests skill levels go depends Controversial Technical Issues following items appear periodically technical articles debates Through years have degenerated times knock-down arguments 36 Model Aviation 4 issues knowledgeable technically inclined supporters have presented interesting proof debate continues ripples created often result misinformation concern among lessenlightened assured column will attempt debate issues primary reason dont have technical expertise What knotty issues Downwind turns torque P-factor left-hand turns downwind turn debate hasnt surfaced magazines number years like sevenyear locust itch will refers aerodynamics what happens attempt turn back upwind headed downwind especially wind brisk have good instructor use own common sense going instinctively weather issue torque P-factor debate relates fact propeller rotating specific direction produces aerodynamic effect model becomes noticeable create sudden burst power engine especially time takeoffthe model will tend want move left Notice didnt try become technical say roll turn last time tried provide simple heads-up about became embroiled blast technical dialogue dont want torque off learned friends hut newcomer need know such left tendency occurs can ready left-hand turn issue interesting Years ago listened instructor tell student should always try make left turns since easier pondered statement watched instructor fly own model Two realizations popped mind First instructing statement indeed true thing should doing helping student make difficult right turn Second watched instructor fly own model followed own advice Actually wind blowing manner required right-hand turn landing approach didnt fly As ponder paragraphs above will probably relate aerodynamic issues mentioned before will direct attention other things seem make us counterclockwise society try auto racing horse racing example have theory about left-hand turn Think about stick controls aileronits right-hand side transmitter natural unconscious human movement bring hand arm toward Bingo left turn little up elevator natural Maybe bunch hooey stand RC field watch flying Ill bet see lot lefts rights reason instructor never mention issue Additionally purposely tell newcomer go right also try make certain practice Figure 8s creates host possibilities more-disciplined flying might suggest instructor Figure 8 hasnt mentioned Enough month time receive summer will have begun dwindle away northern climates Now time think about building projects winter come Its also good time review progress direction future Smooth landings lete Advantage BED MAX Using top-quality components developed andCongratulations Red Max 1st place Winnersl refined over quarter century ofAMA Air Nationals experience RED MAX fuels specially1998 AA Combat Larry Driskill engineered Maximum Performance Power1998 JrCombat Skyler Skelly Protection RED MAX known sold1998 AA Open Bob & Andy Mears FHS oill internationally best fuel can use1998 Free Flight Bob Johannes model engine affordable pricesIMAC Scale Aerobatic Nationals have excellent customer service call usl1998 Advanced Michael J Kuper Visit website information/pricingIRCHA Heliconter Internationals 1998 World Record Breakerl Bruce Bennett NAMBA Boat Nationals Model activities Racing Pattern Fun etc Fuel types Plane Helicopter Boat Car Jet etc Engine types 2 4 cycle Glow Diesel Nitro Power blends 0% 75% 5% Oil blends RED MAX Synthetic / Syn -Castor Customer special blends available Minimum 1 gal Standard 4-gal 20-qt Cases Shipping UPS door 12 gal motorfreight commercial address Price breaks 412 20 60 124 gal Special discount nrensirl cltjh nrdrs 1998 B-Stock Tunnel Russ Nachtweih 1998 Stock OPC Tunnel George Wittman 1998 A-O/B Mono Elden Huntling Numerous other awards vearl FHS Supply lncPO Box 9CloverSC 29710-0009 Sales 18001 742-8484 Voice 803 222-7488 Internet FHSoil@aolcom Fax 8031 222-7285 Website http//membersaolcom/FHSoil RED MAX Shins ducts designed modelers modelers. wont get bent out shape NEW Du-Bro Super Strength Landing Super Strength Landing Gear will absorb landings bending out shape Featuring one-piece design Super Strength Landing Gear injection molded out state-ofthe-art materials absorb roughest landings Easy install can painted Ideal replacement ARF Airplanes Call Write free catalog Du-Bro Products Inc 480 Bonner Rd PD Box 815 Wauconda IL 60084 1-800-848-9411 fax 847-526-1604 email rc@dubrocom website http//wwwdubrocom October 1999 39 Super Strength Landing Gear 35 50 Size Airplanes
Edition: Model Aviation - 1999/10
Page Numbers: 36, 39
Edition: Model Aviation - 1999/10
Page Numbers: 36, 39
Bob Underwood ZiZk@uhiu IN THE 32 YEARS have involved AMA activities ye exposed wide variety information Part stems range positions volunteer officer employee have held Coupled club Special Interest Group trade show participation has very helpful Perhaps interesting part has hearing misinformation can see newcomers often become confused hear some what shall refer myths Lets try sort out few Myth Number 1 AMA insurance company us work trade shows hear time interested newcomer will come ask company AMA sells insurance can fly Sometimes told someone directly sometimes its inferred fact AMA nor insurance company nor does sell insurance Academy not-for-profit 501c3 Internal Revenue Service [IRS] designation association benefits supplied member join various types insurance coverage individuals types range $25 million secondary liability protection medical coverage fire/theft coverage charter club level AMA provides primary coverage club site owner Access coverages through membership association through purchase policy automobile home Can get coverage joining AMA Can join AMA individual having coverage No just part really neat package stuff results membership Another benefit great magazine youre reading right now AMA insurance company Myth Number 2 engine must equipped AMA-approved safety nut Wrong used slang phrase aint no such animal would listed described AMA Safety Code Turn membership form provided magazine next page will find Safety Code Ill bet cant find anything about AMA-approved safety nut may see wording effect used commerciai advertisements would interesting find out what criteria used company develop product Some clarification needed Academy certainly recommends either rounded safety nut spinner used engine exposed crankshaft threads either can help protect fingers hand start engine using electric starter help keep starter drive-cone centered shaft Some clubs require use safety nuts spinners part field-safety rules Please know specific safety rules imposed AMA chartered club automaticaily become part required AMA Safety Code also some competition events require spinner safety nut include events such Scale Pylon RC Aerobatics RC Aerobatics minimum radius rounded tip device actually described short AMAs Safety Code does have requirement approved safety nut applies general sport flying Myth Number 3 covered AMA insurance must fly sanctioned AMA flying site Wow no such thing sanctioned AMA flying sitewe sanction sites cia sanction flying events though no specific site requirements imposed AMA Membership Manual Getting Keeping Flying Sites can find site recommendations including set back distances pits spectators overfly spaces etc have developed through years experience sites around country exceed recommendations have enhancements various types recommendations have always work progress fact insurance coverage predicated what fly area use must allow meet AIVIA Safety Code requirements fly what liOn Understand AMA strongly urges use established recognized flying site especially true Radio Control because potential interference created two individuals unknowingly operating close another using established site make certain have property owners permission biggest problem created using school playground other open areas inability control spectators model operating school grounds instance becomes magnet kidssometimes its very hard provide spectator control fly same time Myth Number 4 radio frequencies use shared commercial users true however before 1982 Since time have operated frequencies dedicated model aircraft onlynumbered channels 11 through 60 found 72 megahertz MHz 73MHz range other operations such model cars boats commercial users cannot legally operate assigned frequencies 72 MHz band still need watchful have instances people using aircraft-only frequencies other types operations Should find true would helpful report AMA Since frequencies spaced between potentially high-powered commercial users possibly several hundred watts lessthan-one-watt output may encounter interference transmitter close site beamed across instances may have shift another part spectrum secondary users therefore have work around legal highpowered transmissions Check local clubs hobby shops determine such problem exists area Myth Number 5 progression skill levels Free Flight FF Control Line CL Radio Control RCU implication start FE easy work through CL harder culminate RC hardest Dont believe itnot long shot myth possibly stems remember ten-cent rubber models youth mentally compare perhaps complicated turbine-powered Scale model What fail accept though aeromodeling actually offers three parallel venues progressing simplistic models complex becomes matter individual interest Free Flight difficult forms aeromodeling Remember making airplane fly properly requires highly developed aerodynamic skillsall work get ultimate flight must occur before model leaves hands arent lines help adjust pitch CL no levers move trim out model RC short three types models offers unique rewarding interests skill levels go depends Controversial Technical Issues following items appear periodically technical articles debates Through years have degenerated times knock-down arguments 36 Model Aviation 4 issues knowledgeable technically inclined supporters have presented interesting proof debate continues ripples created often result misinformation concern among lessenlightened assured column will attempt debate issues primary reason dont have technical expertise What knotty issues Downwind turns torque P-factor left-hand turns downwind turn debate hasnt surfaced magazines number years like sevenyear locust itch will refers aerodynamics what happens attempt turn back upwind headed downwind especially wind brisk have good instructor use own common sense going instinctively weather issue torque P-factor debate relates fact propeller rotating specific direction produces aerodynamic effect model becomes noticeable create sudden burst power engine especially time takeoffthe model will tend want move left Notice didnt try become technical say roll turn last time tried provide simple heads-up about became embroiled blast technical dialogue dont want torque off learned friends hut newcomer need know such left tendency occurs can ready left-hand turn issue interesting Years ago listened instructor tell student should always try make left turns since easier pondered statement watched instructor fly own model Two realizations popped mind First instructing statement indeed true thing should doing helping student make difficult right turn Second watched instructor fly own model followed own advice Actually wind blowing manner required right-hand turn landing approach didnt fly As ponder paragraphs above will probably relate aerodynamic issues mentioned before will direct attention other things seem make us counterclockwise society try auto racing horse racing example have theory about left-hand turn Think about stick controls aileronits right-hand side transmitter natural unconscious human movement bring hand arm toward Bingo left turn little up elevator natural Maybe bunch hooey stand RC field watch flying Ill bet see lot lefts rights reason instructor never mention issue Additionally purposely tell newcomer go right also try make certain practice Figure 8s creates host possibilities more-disciplined flying might suggest instructor Figure 8 hasnt mentioned Enough month time receive summer will have begun dwindle away northern climates Now time think about building projects winter come Its also good time review progress direction future Smooth landings lete Advantage BED MAX Using top-quality components developed andCongratulations Red Max 1st place Winnersl refined over quarter century ofAMA Air Nationals experience RED MAX fuels specially1998 AA Combat Larry Driskill engineered Maximum Performance Power1998 JrCombat Skyler Skelly Protection RED MAX known sold1998 AA Open Bob & Andy Mears FHS oill internationally best fuel can use1998 Free Flight Bob Johannes model engine affordable pricesIMAC Scale Aerobatic Nationals have excellent customer service call usl1998 Advanced Michael J Kuper Visit website information/pricingIRCHA Heliconter Internationals 1998 World Record Breakerl Bruce Bennett NAMBA Boat Nationals Model activities Racing Pattern Fun etc Fuel types Plane Helicopter Boat Car Jet etc Engine types 2 4 cycle Glow Diesel Nitro Power blends 0% 75% 5% Oil blends RED MAX Synthetic / Syn -Castor Customer special blends available Minimum 1 gal Standard 4-gal 20-qt Cases Shipping UPS door 12 gal motorfreight commercial address Price breaks 412 20 60 124 gal Special discount nrensirl cltjh nrdrs 1998 B-Stock Tunnel Russ Nachtweih 1998 Stock OPC Tunnel George Wittman 1998 A-O/B Mono Elden Huntling Numerous other awards vearl FHS Supply lncPO Box 9CloverSC 29710-0009 Sales 18001 742-8484 Voice 803 222-7488 Internet FHSoil@aolcom Fax 8031 222-7285 Website http//membersaolcom/FHSoil RED MAX Shins ducts designed modelers modelers. wont get bent out shape NEW Du-Bro Super Strength Landing Super Strength Landing Gear will absorb landings bending out shape Featuring one-piece design Super Strength Landing Gear injection molded out state-ofthe-art materials absorb roughest landings Easy install can painted Ideal replacement ARF Airplanes Call Write free catalog Du-Bro Products Inc 480 Bonner Rd PD Box 815 Wauconda IL 60084 1-800-848-9411 fax 847-526-1604 email rc@dubrocom website http//wwwdubrocom October 1999 39 Super Strength Landing Gear 35 50 Size Airplanes
