RADIO CONTROL SOARING 11V1 t11~fII7U 1Iu 1iIT{4FU T IY 114 ii -Launch Gliders HLGs purest form Radio Control RC flight nothing yourself sailplane knowledge air coax airplane defy gravity Hand-launching thermal coring watching airplane soar tiny speck sky can rewarding events RC Soaring HL flying can also frustrating experience requiring launches find lift creating sore arms end flying session Following information Joe Hahn Midwests premier hand-launch pilot will help achieve success HL Joe flies Dayton Area Thermal Soarers DARTS have good fortune fly him last three Nationals Muncie Indiana partner Don Stackhouse principals DJ Aerotech makers well-known successful Monarch Wizard Chysalis HL airplanes Joe has taken time coach HL technique interview shares experience Launch important sailpianes particularly hand launch What things need study hand launch well some basic elements consider Lets assume weve got model together have done some gentle glide tests confirm controls working model controllable Carefully determine prevailing wind direction may sound too basic becomes especially important later trying detect thermal activity Launches should always wind least test-flying other situations First launches should done minimum power throw Warming up gives body chance get used motion tells lot about model trimmed Launch trim preferences vary pilot pilot good launch profile model flies straight out launchers hand either flat climbing diving path slight climb Knowing exactly level model off just before top launch very important Allowing model stall drop top launch common problem folks new HL can very frustrating because end up losing large part altitude gained launch Down elevator must applied just right time near top climb out place model level its cruising speed better level off too soon lose little altitude stall top lose lot things simply have practice get just right does get easier becomes virtually automatic practice last point check air space above front before launching Midair collisions launch speed spectacular watch depressing happen flying two models involved What single important part great launch power launcher capable putting throw does require great physical strength athletic prowess Technique key long repeat long smooth followthrough power providers longer fingers contact model accelerating entire time power can imparted model nice part about long 100 Model Aviation Hahn sailplane designer flier Piqua Ohio flies Dayton Area Thermal Soarers DARTS Joe releases long follow-through launching DJ Aerotech Monarch 1997 Nationals Muncie Indiana man never stands tall stoops help child Joe Hahn left discusses HLG setup 11-year-old Paul Griebenow 1997 Nats smooth follow-through during launch also much easier body short high-speed strenuous movesat least Joe youve told before arm hurts after youve flown HL youre doing wrong What people tend hurts arms can avoid nearly gave HL up first got arm shoulder getting way overstressed point permanent injury either learn new way launch dont launch Turns out doing what Ive noticed quite few other folks doing first attempting get launch power very same body parts arm shoulder better way placing body 900 direction intend throw rotating body during throw get extra power rotation provides same time largely unloading arm shoulder does increase load back bit approached gradually back will remain unchanged launch height will make definite changefor better Some HL pilots launch upward some throw level pull up What advantages prefer know lift very nearby overhead Ill launch fairly steep angle say 500 gets lift almost immediately allows begin centering thermals core earliest possible time technique yields highest launches typically see lift has found across field location Ill launch much flatter angle trade some altitude distance reach known lift area Ill use method contests Im launching search lift Ill launch around 300 angle sort splits difference between two launch angles allows reasonable altitude gain also reasonable air-searching ability After launch search rising air begins Please say little about what signs lift look before launch Making note prevailing wind direction important can typically does change through day variations prevailing wind direction velocity indicate presence thermal activity simplified example lets think thermal rising column air drawing air its center 3600 around base field facing prevailing wind thermal approaches us head-on Because air being drawn thermal feel decrease speed wind hitting us face look straight upwind place fly case upwind toward thermal core Same situation time feel decrease velocity subtle change direction right left would indicate thermal front left youre lucky enough have trees bushes nearby can tip off same wind changes Watching leaves trees noting side tree getting hit wind can great thermal direction indicator What thermal finding rmal working techniques can share usparticularly beginning HLG important thing needed sailplane trimmed properly pilot can fly smoothly sailplane will actually tell near lift area often-subtle indicators lost plane gyrating pitch roll yaw Folks new thermal soaring should first practice flying smoothly out during turns well straight level can best done calm conditions morning evening initially moving more-turbulent conditions skills develop Once skills honed bit learning watch sailplane flight watching unusual changes airspeed pitch yaw angle important part thermal chasing common see increase airspeed tail-up attitude approaching thermal head-on Continue course short distance begin smooth 3600 thermal turns watching side turn yields best rate climb shifting center turn toward side Should flying model straight away notice tail suddenly yawing way lets say left nose pointing rightthat often good indication thermal off left wing Remember air moving toward thermal core air motion acts tail model pushing toward thermal Turn left quickly watch closely advanced HLfliers what single best contest secret youre willing give up Buy Monarch Okay say worst contest performances have become aware fixated onwho need keep up rather concentrating own flying surprisingly have also contests Ive enjoyed least Bottom line fly airplane way know wins will come way end youll have satisfaction knowing did best could see Joe action learn come Nats year youre interested airplanes Joe Don design visit DJ Aerotech Web site wwwbrightnetl.-djwerks/ send 6 x 9 SASE catalog DJ Aerotech 719 Fisk St Piqua OH 45356 Tel 937 773-6772 E-mail Joe pricing order questions djwerks@brightnet Don Stackhouse design questions technical assistance djarotec@brightnet thing very hard put words pure joy seeing first time RC HLG going speck altitude just throw dont think thrill RCdom compares Ill always remember first thermal caught way hoarse after flight yelling like maniac Its something wish everyone could experience its just too much fun Joe Hahn ber 1998 103 Joe Hahn times Paul Griebenow Two-Meter 1997 Soaring NatsPauls first Nationals Rick Griebenow watches
Edition: Model Aviation - 1998/10
Page Numbers: 100, 103
RADIO CONTROL SOARING 11V1 t11~fII7U 1Iu 1iIT{4FU T IY 114 ii -Launch Gliders HLGs purest form Radio Control RC flight nothing yourself sailplane knowledge air coax airplane defy gravity Hand-launching thermal coring watching airplane soar tiny speck sky can rewarding events RC Soaring HL flying can also frustrating experience requiring launches find lift creating sore arms end flying session Following information Joe Hahn Midwests premier hand-launch pilot will help achieve success HL Joe flies Dayton Area Thermal Soarers DARTS have good fortune fly him last three Nationals Muncie Indiana partner Don Stackhouse principals DJ Aerotech makers well-known successful Monarch Wizard Chysalis HL airplanes Joe has taken time coach HL technique interview shares experience Launch important sailpianes particularly hand launch What things need study hand launch well some basic elements consider Lets assume weve got model together have done some gentle glide tests confirm controls working model controllable Carefully determine prevailing wind direction may sound too basic becomes especially important later trying detect thermal activity Launches should always wind least test-flying other situations First launches should done minimum power throw Warming up gives body chance get used motion tells lot about model trimmed Launch trim preferences vary pilot pilot good launch profile model flies straight out launchers hand either flat climbing diving path slight climb Knowing exactly level model off just before top launch very important Allowing model stall drop top launch common problem folks new HL can very frustrating because end up losing large part altitude gained launch Down elevator must applied just right time near top climb out place model level its cruising speed better level off too soon lose little altitude stall top lose lot things simply have practice get just right does get easier becomes virtually automatic practice last point check air space above front before launching Midair collisions launch speed spectacular watch depressing happen flying two models involved What single important part great launch power launcher capable putting throw does require great physical strength athletic prowess Technique key long repeat long smooth followthrough power providers longer fingers contact model accelerating entire time power can imparted model nice part about long 100 Model Aviation Hahn sailplane designer flier Piqua Ohio flies Dayton Area Thermal Soarers DARTS Joe releases long follow-through launching DJ Aerotech Monarch 1997 Nationals Muncie Indiana man never stands tall stoops help child Joe Hahn left discusses HLG setup 11-year-old Paul Griebenow 1997 Nats smooth follow-through during launch also much easier body short high-speed strenuous movesat least Joe youve told before arm hurts after youve flown HL youre doing wrong What people tend hurts arms can avoid nearly gave HL up first got arm shoulder getting way overstressed point permanent injury either learn new way launch dont launch Turns out doing what Ive noticed quite few other folks doing first attempting get launch power very same body parts arm shoulder better way placing body 900 direction intend throw rotating body during throw get extra power rotation provides same time largely unloading arm shoulder does increase load back bit approached gradually back will remain unchanged launch height will make definite changefor better Some HL pilots launch upward some throw level pull up What advantages prefer know lift very nearby overhead Ill launch fairly steep angle say 500 gets lift almost immediately allows begin centering thermals core earliest possible time technique yields highest launches typically see lift has found across field location Ill launch much flatter angle trade some altitude distance reach known lift area Ill use method contests Im launching search lift Ill launch around 300 angle sort splits difference between two launch angles allows reasonable altitude gain also reasonable air-searching ability After launch search rising air begins Please say little about what signs lift look before launch Making note prevailing wind direction important can typically does change through day variations prevailing wind direction velocity indicate presence thermal activity simplified example lets think thermal rising column air drawing air its center 3600 around base field facing prevailing wind thermal approaches us head-on Because air being drawn thermal feel decrease speed wind hitting us face look straight upwind place fly case upwind toward thermal core Same situation time feel decrease velocity subtle change direction right left would indicate thermal front left youre lucky enough have trees bushes nearby can tip off same wind changes Watching leaves trees noting side tree getting hit wind can great thermal direction indicator What thermal finding rmal working techniques can share usparticularly beginning HLG important thing needed sailplane trimmed properly pilot can fly smoothly sailplane will actually tell near lift area often-subtle indicators lost plane gyrating pitch roll yaw Folks new thermal soaring should first practice flying smoothly out during turns well straight level can best done calm conditions morning evening initially moving more-turbulent conditions skills develop Once skills honed bit learning watch sailplane flight watching unusual changes airspeed pitch yaw angle important part thermal chasing common see increase airspeed tail-up attitude approaching thermal head-on Continue course short distance begin smooth 3600 thermal turns watching side turn yields best rate climb shifting center turn toward side Should flying model straight away notice tail suddenly yawing way lets say left nose pointing rightthat often good indication thermal off left wing Remember air moving toward thermal core air motion acts tail model pushing toward thermal Turn left quickly watch closely advanced HLfliers what single best contest secret youre willing give up Buy Monarch Okay say worst contest performances have become aware fixated onwho need keep up rather concentrating own flying surprisingly have also contests Ive enjoyed least Bottom line fly airplane way know wins will come way end youll have satisfaction knowing did best could see Joe action learn come Nats year youre interested airplanes Joe Don design visit DJ Aerotech Web site wwwbrightnetl.-djwerks/ send 6 x 9 SASE catalog DJ Aerotech 719 Fisk St Piqua OH 45356 Tel 937 773-6772 E-mail Joe pricing order questions djwerks@brightnet Don Stackhouse design questions technical assistance djarotec@brightnet thing very hard put words pure joy seeing first time RC HLG going speck altitude just throw dont think thrill RCdom compares Ill always remember first thermal caught way hoarse after flight yelling like maniac Its something wish everyone could experience its just too much fun Joe Hahn ber 1998 103 Joe Hahn times Paul Griebenow Two-Meter 1997 Soaring NatsPauls first Nationals Rick Griebenow watches