George M Mye Radio Thchnique 70 Froelillch Farm Rd HIcksvlIle NY 11801 ABSTRACT Safe practices water flying Wa terproofing RC systems Solar flares 1991 THIS true story RC flier young man excellent physical condition strong swimmer trained water rescue techniques raining fairly steadily getting pretty wet transmitter Sud denly model rolled over spun down salt water tide going out full flow opposing wind kept model es sentially stationary about 30 ft out temptation too much waded Out towards model Suddenly really over head easy swim out model discovered going out sea very rapidly because wind wasnt helping channel widens approaches open water made imperative get back shore pronto Remember started 30 ft shore strongest rescue stroke inadequate get back pushing plane recent death windsurfer flashed through mind similar circumstances dressed full dry suit swept out sea board Apparently kept paddling until exhausted perished hypothermia After discarding model easily made beach though several hundred feet downstream point entry made way back abandoned clothing dressed turned off transmitter turned again ob served needle pegged full right sagged down midscale After doing few times needle wouldnt move next day after recharging batteries found checked out okay trans mitter defunct theory rain got transmitter shorted something What think dont know what caused crash least four possibilities come mind first possibil ity battery exhaustion failure Failure hap pens Exhaustion also happens little routine testing charging can keep under control next possibility water got transmitter reader suggests standard prevention carry some plastic gar bage bags field kit rains punch small hole bottom bag slip over transmitters antenna little tape around hole can seal Out water Now trans mitter will stay dry long keep tenna up hands go inside bag work sticks dry modeler makes regular practice fly ing off saltwater both transmitter airborne systems must protected cor rosion Corrosion insidious Saltwater can get inside plastic insulation wiring acts like capillary tube wick stuff up inside equipment find corrosion sorts unexpected places can use Krylon spray circuit boards creating problems Dont spray Krylon little brushes sup posed ground back transmitter rest circuit plugs sliding contacts like trim control potentiometers PC board control sticks remotely possible too much Krylon heat sink power transistors might cause overheat So mask fins tape before spraying can spray WD-40 plugs keep wa ter Out still permit unplugged necessary have used WD-40 way boats least 10 years have yet see first contact corrosion problem have also seen unprotected wiring other boats corrode away week Switches particularly susceptible fuel saltwater corrosion damage general dis like working internal switch way pushrod sticks out fuselage give seaplanes Another way protect compli ments friend Wally Zober put wad ordinary modeling clay Plasticene over switch after turn wad over charg ing jack have mounted fuselage side also good idea As retrieving model after goes water boat best tool Actually prefer RC boat available way dont risk life retrieve model Most RC seaplane fliers bring along small 36 Model Aviation Doug Ensley retrieves plane means car-top-transportable boat George would happier see life vest Doug Ketchikan Rainbirds fly seaplanes Talbot Lake AK L-R Dick Robb Mark Andrew Doug boat small Chuck Dimon photo Ensley Don Zook Bob Andrew George M Myers Youngsters wear short sleeves Dimon Georges Lanier Laser sutters bounce-and-go stormy Lake Nikiski AK Dave Unruh Van Walens Turner Special plows lot wa ter taxiing prior getting up step takeoff Dave Unruh photo boat can carried cop car rowed Out plane back Any boat small enough man put off car top also boat man can fail out Wear life jacket small boat Nobody breathes wa ter Some people depend inflatable life-rafttype boat cold wet slow severely dis turbed wind miserably poor rowboats life jacket particularly necessary life raft may seem like overkill go water flying have wear fishermans life vest has pockets special reflective fabric patches pockets contain set emergency signalling tools aerial flares smoke bomb dye marker mirror whistle plus 50 ft 4-in nylon cord throwing boat people shore People can awfully slow-witted see someone trouble little emphatic sig nalling can get mood help Think what reader could have done 50 ft cord None will good wait until have problem think might possibility will use RC equipment corrosive environment time install protection right after have flown system satisfied way works and/or warranty has expired warranty hasnt expired installing equip ment seaplane waterproof first Re member check ffinction after water proof equipment Something might work Another thought about unfor tunate enough dunk equipment saltwa ter next thing soak clean fresh water get salt off carefully dry before turn Let make point about sensitivity modern electronics CMOS complementary metal-oxide semiconductorRMcM chips black multipronged things circuit boardare sensitive can destroyed just static electricity body should pick up wrong way Once stalled PC board less susceptible such damage can handle board Saltwater conductor electricity promotes corrosion Saltwater PC board populated CMOS chips can conduct destructive currents components Obvi ously want keep wet board source electric power ie DONT TURN IT ON wet saltwater proper job drying will take days hours ways dry things can use hair dryer ry carefully Too much heat worse safer way would open up boxes let electric fan blow over hem So long no parts blow away potential creating further damage minimal things dry couple days later re member check parts out time Prac tically modern servos gasketed probably wouldnt get wet casual dunking remember about saltwater wicking up inside pigtail wires WD-40 will prevent Re ceivers battery packs switch harnesses particular get wet time should care fully checked As readers transmitter died have no idea died may well died just before crash may would have done rain no rain Weve heard acid rain killing lakes trees knows Maybe kills transmitters too Acid conContinued page 143 FUEL WIZZARD THE WORLDS FASTEST AND MOST CONVENIENT FUEL PUMP EVER * FITS ALL GALLON FUEL BOTTLES * FAST ONE STROKE LL OUNCE OF FUEL * ALL FUEL SAFE GLO FUEL & GASOLINE SUGGESTED RETAIL $995 NOW JUST $750 ORDER24551 FROM ACME PLASTIC PUMP CO P 0 BOX MINNEAPOLIS MN 55424 IIEALER INQUIRIES INVITEI DuraPlane II 25-size 3-channel basic flight trainer scuffle ground isnt some thing should have face own may have gotten own dont think model should stand After two team So join up airplanes thatll stick through thick thint K2Duracraft Inc RoyaiOkM48067 DuraBat 40-size 4-channel aerobatic trainer February 1990 37 FILLS THE LARGEST MODEL FUEL TANKS IN SECONDS Dynamic Duo Durability Stand Ready Help Take Encounters Planet Earth Radio Technique/Myers Continued page 37 ducts electricity know Think about lead/acid battery car little bit sul phuric acid conducts lot electricity Solar flares nuclear explosions sun emit radio waves goes time atmosphere magnetic field earth protect us effects People Alaska see effects northern lights auro ra borealis Darrel Kline AMA 84898 Out Everett WA sent clipping remind II years solar flare activity sun reaches peak According NOAA National Ocean ographic Atmospheric Administration solar flare activity will peak 1991 can expect will interference complaints sorts RCers 1991 because AMA will sanction use 60 RC channels aircraft Therefore frequency spacing between RC transmitters use will 20 kHz instead 40 kHz tween RC systems now Part complaints will come people clinging outmoded wideband equipment Other complaints will traceable interference commercial transmitters have since 1983 10 kHz away RC channels Whats left may traceable solar flare emis sions may notice glitches People watching TV channels TV2 TV4 TV5 will see ing snowy pictures loss color wavelike interferences crawling over screen what worth could take portable TV field use monitor see above disturbances screen might serve warning fly Scale model have spent year decorating RC channels located frequencywise between broadcast TV channels TV4 TV5 should confused cable chan nels 4 5 Cable TV will affected occasional black outs during year solar flares RC Slope Soaring/Triebes Continued page 41 tude used up given dive angle flying speed Unfortunately have missing equation flying speed function dive angle know increases dive angle assume must determined empirically experiment something can simply calculate So dont have fancy equation prove hypothesis sure seems reasonable Use prestart flight time typical Slope Race period flight time prior start Race often wasted Most people know enough use time gain alti tude Race other uses Fly plane along slope find location best lift could well beyond ends course want spend time gaining altitude lift will also vary distance away face slopefind lift best various alti tudes may notice best lift close hill low altitudes farther hill higher altitudes Use time increase distance hill staying wind flying constantly angled wind stay course follows can gain some dis tance wind can decrease crab angle during Race gain faster time drifting back toward slope wind Great observation hint MT Use prestart time trim aircraft fast flight find much better have air plane trimmed too much down-trim too little way might have put some upstick control speed during race wont have use down-stick less comfortable much less natural Get good start good start Race gives obvious physical advantage real mental boost carries through rest Race As countdown approaches start aircraft should have plenty altitude should well away slope upwind should flying generous amount up-stick conserve altitude com pensate down-trim needed Rac ing approximately 10-second mark plane should crossing starting line op posite direction reference point judging begin run fivesecond mark initiate 1800 turn towards start line turn will cost some time youll make up diving toward start line creasing speed dive should initiated releasing up-stick youve held during altitude-gaining prestart plane will naturally gain speed toward start have seen too pilots waste valuable altitude making enormous dives start gaining tremendous speed burns off about halfway through first leg course Youll want drop Continued page 146 February 1990 143
Edition: Model Aviation - 1990/02
Page Numbers: 36, 37, 143
George M Mye Radio Thchnique 70 Froelillch Farm Rd HIcksvlIle NY 11801 ABSTRACT Safe practices water flying Wa terproofing RC systems Solar flares 1991 THIS true story RC flier young man excellent physical condition strong swimmer trained water rescue techniques raining fairly steadily getting pretty wet transmitter Sud denly model rolled over spun down salt water tide going out full flow opposing wind kept model es sentially stationary about 30 ft out temptation too much waded Out towards model Suddenly really over head easy swim out model discovered going out sea very rapidly because wind wasnt helping channel widens approaches open water made imperative get back shore pronto Remember started 30 ft shore strongest rescue stroke inadequate get back pushing plane recent death windsurfer flashed through mind similar circumstances dressed full dry suit swept out sea board Apparently kept paddling until exhausted perished hypothermia After discarding model easily made beach though several hundred feet downstream point entry made way back abandoned clothing dressed turned off transmitter turned again ob served needle pegged full right sagged down midscale After doing few times needle wouldnt move next day after recharging batteries found checked out okay trans mitter defunct theory rain got transmitter shorted something What think dont know what caused crash least four possibilities come mind first possibil ity battery exhaustion failure Failure hap pens Exhaustion also happens little routine testing charging can keep under control next possibility water got transmitter reader suggests standard prevention carry some plastic gar bage bags field kit rains punch small hole bottom bag slip over transmitters antenna little tape around hole can seal Out water Now trans mitter will stay dry long keep tenna up hands go inside bag work sticks dry modeler makes regular practice fly ing off saltwater both transmitter airborne systems must protected cor rosion Corrosion insidious Saltwater can get inside plastic insulation wiring acts like capillary tube wick stuff up inside equipment find corrosion sorts unexpected places can use Krylon spray circuit boards creating problems Dont spray Krylon little brushes sup posed ground back transmitter rest circuit plugs sliding contacts like trim control potentiometers PC board control sticks remotely possible too much Krylon heat sink power transistors might cause overheat So mask fins tape before spraying can spray WD-40 plugs keep wa ter Out still permit unplugged necessary have used WD-40 way boats least 10 years have yet see first contact corrosion problem have also seen unprotected wiring other boats corrode away week Switches particularly susceptible fuel saltwater corrosion damage general dis like working internal switch way pushrod sticks out fuselage give seaplanes Another way protect compli ments friend Wally Zober put wad ordinary modeling clay Plasticene over switch after turn wad over charg ing jack have mounted fuselage side also good idea As retrieving model after goes water boat best tool Actually prefer RC boat available way dont risk life retrieve model Most RC seaplane fliers bring along small 36 Model Aviation Doug Ensley retrieves plane means car-top-transportable boat George would happier see life vest Doug Ketchikan Rainbirds fly seaplanes Talbot Lake AK L-R Dick Robb Mark Andrew Doug boat small Chuck Dimon photo Ensley Don Zook Bob Andrew George M Myers Youngsters wear short sleeves Dimon Georges Lanier Laser sutters bounce-and-go stormy Lake Nikiski AK Dave Unruh Van Walens Turner Special plows lot wa ter taxiing prior getting up step takeoff Dave Unruh photo boat can carried cop car rowed Out plane back Any boat small enough man put off car top also boat man can fail out Wear life jacket small boat Nobody breathes wa ter Some people depend inflatable life-rafttype boat cold wet slow severely dis turbed wind miserably poor rowboats life jacket particularly necessary life raft may seem like overkill go water flying have wear fishermans life vest has pockets special reflective fabric patches pockets contain set emergency signalling tools aerial flares smoke bomb dye marker mirror whistle plus 50 ft 4-in nylon cord throwing boat people shore People can awfully slow-witted see someone trouble little emphatic sig nalling can get mood help Think what reader could have done 50 ft cord None will good wait until have problem think might possibility will use RC equipment corrosive environment time install protection right after have flown system satisfied way works and/or warranty has expired warranty hasnt expired installing equip ment seaplane waterproof first Re member check ffinction after water proof equipment Something might work Another thought about unfor tunate enough dunk equipment saltwa ter next thing soak clean fresh water get salt off carefully dry before turn Let make point about sensitivity modern electronics CMOS complementary metal-oxide semiconductorRMcM chips black multipronged things circuit boardare sensitive can destroyed just static electricity body should pick up wrong way Once stalled PC board less susceptible such damage can handle board Saltwater conductor electricity promotes corrosion Saltwater PC board populated CMOS chips can conduct destructive currents components Obvi ously want keep wet board source electric power ie DONT TURN IT ON wet saltwater proper job drying will take days hours ways dry things can use hair dryer ry carefully Too much heat worse safer way would open up boxes let electric fan blow over hem So long no parts blow away potential creating further damage minimal things dry couple days later re member check parts out time Prac tically modern servos gasketed probably wouldnt get wet casual dunking remember about saltwater wicking up inside pigtail wires WD-40 will prevent Re ceivers battery packs switch harnesses particular get wet time should care fully checked As readers transmitter died have no idea died may well died just before crash may would have done rain no rain Weve heard acid rain killing lakes trees knows Maybe kills transmitters too Acid conContinued page 143 FUEL WIZZARD THE WORLDS FASTEST AND MOST CONVENIENT FUEL PUMP EVER * FITS ALL GALLON FUEL BOTTLES * FAST ONE STROKE LL OUNCE OF FUEL * ALL FUEL SAFE GLO FUEL & GASOLINE SUGGESTED RETAIL $995 NOW JUST $750 ORDER24551 FROM ACME PLASTIC PUMP CO P 0 BOX MINNEAPOLIS MN 55424 IIEALER INQUIRIES INVITEI DuraPlane II 25-size 3-channel basic flight trainer scuffle ground isnt some thing should have face own may have gotten own dont think model should stand After two team So join up airplanes thatll stick through thick thint K2Duracraft Inc RoyaiOkM48067 DuraBat 40-size 4-channel aerobatic trainer February 1990 37 FILLS THE LARGEST MODEL FUEL TANKS IN SECONDS Dynamic Duo Durability Stand Ready Help Take Encounters Planet Earth Radio Technique/Myers Continued page 37 ducts electricity know Think about lead/acid battery car little bit sul phuric acid conducts lot electricity Solar flares nuclear explosions sun emit radio waves goes time atmosphere magnetic field earth protect us effects People Alaska see effects northern lights auro ra borealis Darrel Kline AMA 84898 Out Everett WA sent clipping remind II years solar flare activity sun reaches peak According NOAA National Ocean ographic Atmospheric Administration solar flare activity will peak 1991 can expect will interference complaints sorts RCers 1991 because AMA will sanction use 60 RC channels aircraft Therefore frequency spacing between RC transmitters use will 20 kHz instead 40 kHz tween RC systems now Part complaints will come people clinging outmoded wideband equipment Other complaints will traceable interference commercial transmitters have since 1983 10 kHz away RC channels Whats left may traceable solar flare emis sions may notice glitches People watching TV channels TV2 TV4 TV5 will see ing snowy pictures loss color wavelike interferences crawling over screen what worth could take portable TV field use monitor see above disturbances screen might serve warning fly Scale model have spent year decorating RC channels located frequencywise between broadcast TV channels TV4 TV5 should confused cable chan nels 4 5 Cable TV will affected occasional black outs during year solar flares RC Slope Soaring/Triebes Continued page 41 tude used up given dive angle flying speed Unfortunately have missing equation flying speed function dive angle know increases dive angle assume must determined empirically experiment something can simply calculate So dont have fancy equation prove hypothesis sure seems reasonable Use prestart flight time typical Slope Race period flight time prior start Race often wasted Most people know enough use time gain alti tude Race other uses Fly plane along slope find location best lift could well beyond ends course want spend time gaining altitude lift will also vary distance away face slopefind lift best various alti tudes may notice best lift close hill low altitudes farther hill higher altitudes Use time increase distance hill staying wind flying constantly angled wind stay course follows can gain some dis tance wind can decrease crab angle during Race gain faster time drifting back toward slope wind Great observation hint MT Use prestart time trim aircraft fast flight find much better have air plane trimmed too much down-trim too little way might have put some upstick control speed during race wont have use down-stick less comfortable much less natural Get good start good start Race gives obvious physical advantage real mental boost carries through rest Race As countdown approaches start aircraft should have plenty altitude should well away slope upwind should flying generous amount up-stick conserve altitude com pensate down-trim needed Rac ing approximately 10-second mark plane should crossing starting line op posite direction reference point judging begin run fivesecond mark initiate 1800 turn towards start line turn will cost some time youll make up diving toward start line creasing speed dive should initiated releasing up-stick youve held during altitude-gaining prestart plane will naturally gain speed toward start have seen too pilots waste valuable altitude making enormous dives start gaining tremendous speed burns off about halfway through first leg course Youll want drop Continued page 146 February 1990 143
Edition: Model Aviation - 1990/02
Page Numbers: 36, 37, 143
George M Mye Radio Thchnique 70 Froelillch Farm Rd HIcksvlIle NY 11801 ABSTRACT Safe practices water flying Wa terproofing RC systems Solar flares 1991 THIS true story RC flier young man excellent physical condition strong swimmer trained water rescue techniques raining fairly steadily getting pretty wet transmitter Sud denly model rolled over spun down salt water tide going out full flow opposing wind kept model es sentially stationary about 30 ft out temptation too much waded Out towards model Suddenly really over head easy swim out model discovered going out sea very rapidly because wind wasnt helping channel widens approaches open water made imperative get back shore pronto Remember started 30 ft shore strongest rescue stroke inadequate get back pushing plane recent death windsurfer flashed through mind similar circumstances dressed full dry suit swept out sea board Apparently kept paddling until exhausted perished hypothermia After discarding model easily made beach though several hundred feet downstream point entry made way back abandoned clothing dressed turned off transmitter turned again ob served needle pegged full right sagged down midscale After doing few times needle wouldnt move next day after recharging batteries found checked out okay trans mitter defunct theory rain got transmitter shorted something What think dont know what caused crash least four possibilities come mind first possibil ity battery exhaustion failure Failure hap pens Exhaustion also happens little routine testing charging can keep under control next possibility water got transmitter reader suggests standard prevention carry some plastic gar bage bags field kit rains punch small hole bottom bag slip over transmitters antenna little tape around hole can seal Out water Now trans mitter will stay dry long keep tenna up hands go inside bag work sticks dry modeler makes regular practice fly ing off saltwater both transmitter airborne systems must protected cor rosion Corrosion insidious Saltwater can get inside plastic insulation wiring acts like capillary tube wick stuff up inside equipment find corrosion sorts unexpected places can use Krylon spray circuit boards creating problems Dont spray Krylon little brushes sup posed ground back transmitter rest circuit plugs sliding contacts like trim control potentiometers PC board control sticks remotely possible too much Krylon heat sink power transistors might cause overheat So mask fins tape before spraying can spray WD-40 plugs keep wa ter Out still permit unplugged necessary have used WD-40 way boats least 10 years have yet see first contact corrosion problem have also seen unprotected wiring other boats corrode away week Switches particularly susceptible fuel saltwater corrosion damage general dis like working internal switch way pushrod sticks out fuselage give seaplanes Another way protect compli ments friend Wally Zober put wad ordinary modeling clay Plasticene over switch after turn wad over charg ing jack have mounted fuselage side also good idea As retrieving model after goes water boat best tool Actually prefer RC boat available way dont risk life retrieve model Most RC seaplane fliers bring along small 36 Model Aviation Doug Ensley retrieves plane means car-top-transportable boat George would happier see life vest Doug Ketchikan Rainbirds fly seaplanes Talbot Lake AK L-R Dick Robb Mark Andrew Doug boat small Chuck Dimon photo Ensley Don Zook Bob Andrew George M Myers Youngsters wear short sleeves Dimon Georges Lanier Laser sutters bounce-and-go stormy Lake Nikiski AK Dave Unruh Van Walens Turner Special plows lot wa ter taxiing prior getting up step takeoff Dave Unruh photo boat can carried cop car rowed Out plane back Any boat small enough man put off car top also boat man can fail out Wear life jacket small boat Nobody breathes wa ter Some people depend inflatable life-rafttype boat cold wet slow severely dis turbed wind miserably poor rowboats life jacket particularly necessary life raft may seem like overkill go water flying have wear fishermans life vest has pockets special reflective fabric patches pockets contain set emergency signalling tools aerial flares smoke bomb dye marker mirror whistle plus 50 ft 4-in nylon cord throwing boat people shore People can awfully slow-witted see someone trouble little emphatic sig nalling can get mood help Think what reader could have done 50 ft cord None will good wait until have problem think might possibility will use RC equipment corrosive environment time install protection right after have flown system satisfied way works and/or warranty has expired warranty hasnt expired installing equip ment seaplane waterproof first Re member check ffinction after water proof equipment Something might work Another thought about unfor tunate enough dunk equipment saltwa ter next thing soak clean fresh water get salt off carefully dry before turn Let make point about sensitivity modern electronics CMOS complementary metal-oxide semiconductorRMcM chips black multipronged things circuit boardare sensitive can destroyed just static electricity body should pick up wrong way Once stalled PC board less susceptible such damage can handle board Saltwater conductor electricity promotes corrosion Saltwater PC board populated CMOS chips can conduct destructive currents components Obvi ously want keep wet board source electric power ie DONT TURN IT ON wet saltwater proper job drying will take days hours ways dry things can use hair dryer ry carefully Too much heat worse safer way would open up boxes let electric fan blow over hem So long no parts blow away potential creating further damage minimal things dry couple days later re member check parts out time Prac tically modern servos gasketed probably wouldnt get wet casual dunking remember about saltwater wicking up inside pigtail wires WD-40 will prevent Re ceivers battery packs switch harnesses particular get wet time should care fully checked As readers transmitter died have no idea died may well died just before crash may would have done rain no rain Weve heard acid rain killing lakes trees knows Maybe kills transmitters too Acid conContinued page 143 FUEL WIZZARD THE WORLDS FASTEST AND MOST CONVENIENT FUEL PUMP EVER * FITS ALL GALLON FUEL BOTTLES * FAST ONE STROKE LL OUNCE OF FUEL * ALL FUEL SAFE GLO FUEL & GASOLINE SUGGESTED RETAIL $995 NOW JUST $750 ORDER24551 FROM ACME PLASTIC PUMP CO P 0 BOX MINNEAPOLIS MN 55424 IIEALER INQUIRIES INVITEI DuraPlane II 25-size 3-channel basic flight trainer scuffle ground isnt some thing should have face own may have gotten own dont think model should stand After two team So join up airplanes thatll stick through thick thint K2Duracraft Inc RoyaiOkM48067 DuraBat 40-size 4-channel aerobatic trainer February 1990 37 FILLS THE LARGEST MODEL FUEL TANKS IN SECONDS Dynamic Duo Durability Stand Ready Help Take Encounters Planet Earth Radio Technique/Myers Continued page 37 ducts electricity know Think about lead/acid battery car little bit sul phuric acid conducts lot electricity Solar flares nuclear explosions sun emit radio waves goes time atmosphere magnetic field earth protect us effects People Alaska see effects northern lights auro ra borealis Darrel Kline AMA 84898 Out Everett WA sent clipping remind II years solar flare activity sun reaches peak According NOAA National Ocean ographic Atmospheric Administration solar flare activity will peak 1991 can expect will interference complaints sorts RCers 1991 because AMA will sanction use 60 RC channels aircraft Therefore frequency spacing between RC transmitters use will 20 kHz instead 40 kHz tween RC systems now Part complaints will come people clinging outmoded wideband equipment Other complaints will traceable interference commercial transmitters have since 1983 10 kHz away RC channels Whats left may traceable solar flare emis sions may notice glitches People watching TV channels TV2 TV4 TV5 will see ing snowy pictures loss color wavelike interferences crawling over screen what worth could take portable TV field use monitor see above disturbances screen might serve warning fly Scale model have spent year decorating RC channels located frequencywise between broadcast TV channels TV4 TV5 should confused cable chan nels 4 5 Cable TV will affected occasional black outs during year solar flares RC Slope Soaring/Triebes Continued page 41 tude used up given dive angle flying speed Unfortunately have missing equation flying speed function dive angle know increases dive angle assume must determined empirically experiment something can simply calculate So dont have fancy equation prove hypothesis sure seems reasonable Use prestart flight time typical Slope Race period flight time prior start Race often wasted Most people know enough use time gain alti tude Race other uses Fly plane along slope find location best lift could well beyond ends course want spend time gaining altitude lift will also vary distance away face slopefind lift best various alti tudes may notice best lift close hill low altitudes farther hill higher altitudes Use time increase distance hill staying wind flying constantly angled wind stay course follows can gain some dis tance wind can decrease crab angle during Race gain faster time drifting back toward slope wind Great observation hint MT Use prestart time trim aircraft fast flight find much better have air plane trimmed too much down-trim too little way might have put some upstick control speed during race wont have use down-stick less comfortable much less natural Get good start good start Race gives obvious physical advantage real mental boost carries through rest Race As countdown approaches start aircraft should have plenty altitude should well away slope upwind should flying generous amount up-stick conserve altitude com pensate down-trim needed Rac ing approximately 10-second mark plane should crossing starting line op posite direction reference point judging begin run fivesecond mark initiate 1800 turn towards start line turn will cost some time youll make up diving toward start line creasing speed dive should initiated releasing up-stick youve held during altitude-gaining prestart plane will naturally gain speed toward start have seen too pilots waste valuable altitude making enormous dives start gaining tremendous speed burns off about halfway through first leg course Youll want drop Continued page 146 February 1990 143