Radio Cono1 Scale Earl Aune 13165 NW Filbert St Portland OR 97229 WHAT intriguing about building Scale mod els outsiders look see what lieve toy have no appreciation what go through recreate history Flying Scale models extremely unforgiv ing sport takes little pilot builder error months hard work disassembles self right before everyones eyes satisfac tion get just indescribable watch Scale creation worked hard fly gracefully across sky come per fect landing can experienced obtain appreciationby build have always held awe can create such detail model becomes difficult tell full-size model acquired knowledge comes years trial er ror experimentation know learning way life both challenging fun besides building Scale models tends present op portunities developing problem-solving skills Pinel lines rivets some small de tails transform model just model something draws crowd An automotive pinstripe tape made 3M / wide works very well simulating panel lines need smaller size tape take 3Ms %2 tape split down middle sharp knife Lay out tape proper position according threeviews spray three four heavy coats Plas ticote #466 automotive gray primer right over tape allowing couple minutes between eadh coat primer fuelproof sands easily goes thickly since has spot putty After about 15 minutes peel off tape youre ready rivets Adding rivet detail Several methods have used successfully install rivets Scale riv ets usually made depositing small drop glue models surface dries painted closely resembles real rivet involved using variety tools ranged toothpicks hypodermic needles however drawbacks chief being length time install rivet NI / K 5 1625 sketch shows lay Qut typIcal 5point insignia star using 72 template Earl tells make use column received item mail will make toothpicks thing past item tended used marking circuit boards IC chips ink solder mask resistant ink Its like fountain pen has reservoir needle tip just give little squeeze forms perfect glue drop can really go fast things come two sizes will need standard microtip 013 price $525 standard tip $575 microtip add dollar postage L Larry Smiths FW190 Bob Holman plans gives excellent example greatly enh@nced realism resulting rivet detailing Art Newlands realIstic Japanese Zero 1from Bert Baker kit now offered Bob Holman flies well no typical tIp-stall characterIstics typically found models WW l planes Author Earl Aunes Spitfire Mk 9 also built Bob Holman plans uses SuperTigre 75 power 44 Model Aviation Ask have filled either thinned white glue left empty usually fill R/C 56 adhesive anyway additional 35C will send neat stand totals $1235 whole works can also use glue items hard-toreach places Tell Earl sent Note use microtip glue needs thinned usually water Order Metron Optics Inc PO Box 690 Solana Beach CA 92075-0690 tel 1-619/755-4752 finishing Spray light coat chrome en amel Odds Ends craft paint over rivets panel lines leading edges Youll find out minute Dont overdo step lit tle goes long way final coat paint will have trouble sticking stuff dry lightly sand 400-grit around rivets rivets themselves just around rivets Now apply final paint finish After final paint has cured couple days apply some Mr Clean cleaning compound con taining pumice soft cloth lightly rub over rivets direction airflow take some very rough sandpaper 20-grit tap along leading edges wing stab will expose some chrome paint underneath Its very realistic older model gets better looks make stars look right warbirds has always challenge five points star markings must spaced equally apart Its easy have 72 template 3 0 5 will place five points around circle evenly Theres sketch such item some first pages months col umn make cutting 5-in square piece 015-in plastic cardboard Make mark side 1625 corner Lay straightedge adjoining corners 1625-in mark slice off resultant 18 wedge Make sure use straight edge sharp knife cut make star model take piece clear Contact shelf paper draw circle desired diameter using compass Mark starting line top place 720 template points center circle aligning top starting line circle edge template making mark other side template template circle inter sect Continued page 151 THE SKY IS NEVER THE LIMIT WHEN YOURE FLYING LANIER RC JAVELIN * BE THE HOT DOG PILOT AT YOUR FIELD WITH THIS LOW-WING SPORT AIRPLANE TAIL FEATHERS MUST BE COVERED OR PAINTED Fuselage Length 37 Rec Engine Size Flying weight 3 ibs Wing Span 50 Area 350 sq Radio Channels 4 WRITE TODAY FOR YOUR FREE COLOR CATALOG SEND SASE PO Box 458Oakwood GA 30566404-532-6401 MADE 4N THE USA July 1990 45 Earl Aune rightfully proud cockpit rivet/panel line detail Corsair night fighter An OS 120 Surpass fourstroke powers 18-lb model too built Bob Holman plans OUT OF THE ASHES . THE WINNERS CIRCLE PHOENIX SPAN 32 AREA 1047 SQ IN WEIGHT 72-78 OZ AiRFOIL 84061 WP4GLOAO 10 OZ/8Q FT ASPECT RATIO 167 1 _______________________ COMPETITION PRODUCTS 921 BIRDIE WAY APOLLO BEACH FL 33572 FOR ADDONAL INFORMATION SEND LSASE 3 645 5171 CRASH PREVENTION SYSTEM rides aircraft performing functions Worlds First Audible ESV Battery Monitor Simple Battery Cyder Audible Power Indicator Lost Aircraft Finder Range Tester Interference Monitor supported PCM Radio Systems PROTECT YOUR INVESTMENT AND FLY WITH COMPLETE CONFIDENCE Unlike other simple monitoring devices THE GUARDIAN ANGEL protects losing aircraft six different ways unique audible voltmeter actually lets hear condition Ni-cd batteries continuous beeps spaced about 20 seconds apart get doser doser batteries discharge octur faster beep per second DONT FLY No LEDs meters remember look Much better designs warn its too late ThE GUARDIAN ANGEL also simple battery cycler measures battery capacity Its interference monitor signaling channel dear Use find lost aircraft weeds As range tester accurately tells youre out range Finally slow constant beeps serve remind receiver No dead batteries get field l Easily connects unused servo channel between servo receiver Units shipped tinned leads add $800 Futaba connectors lspeci modell Once pen Aen floos4 THE GUARDIAN ANGEL peooi#ae/efeecoof4ie no4d LOW POWER HS 06 OZ L SIZE ABLE RATE TO INSTALL 30 day money hack guarantee ORDER DIRECT List Price $3995 Special Introductory Price $2995 plus $300 Postage HandlingFlorida residents add 6% sales tax EVESend check MO Cull COD Day Warranty write call informationDealer & distributor inquiries welcome T mE Tejera MIcrosystems Eaglneerlmg Inc 813 968-9510 PO Box 340608 Tampa FlorIda 33694 RC Electrics/Kopski Continued page 115 household words well Bob feels future model aviation lies hobby becoming national sport associated major business aspects media implications course US domina tion international events would exist hand-inhand anxious promote kind thinking wants see sorts things hap pening Bob hinted might time dedicated Electric competition-oriented maga zine may indeed case did comment far can tell readers seem hobbyists flying Electric casually fun However did promise him Id try stir up sport-oriented and/or serious contest interest may latent among readers column Therefore am seriously requesting such inclinations please write Bob Boucher pronounced Boo-s/wy RMcM Astro Flight Inc 13311 Beach Ave Marina Del Rey CA 90292 tell im Bob sent ya Future columns will once again include some Electric basics Ive come realize monthly presentation has gradually strayed away area though intentionally Basics fact Model Aviation started its Electric coverage late 83 no matter what year-then nowthere always beginners seeking beginning information mind Ill once again cover some basic topics part future monthly installments wont forget experienced folks either Lets just say Ill strive balance Oh column longer now drizzly chilly April 1 Sunday afternoon have new electrified Sig Senior ita Im anxious fly So go out now After its first flight last Saturday snowstorm Folks Im hot fly Im hot fly Please direct comment question au thor address given column header Model Aviation editorial offices will reply correspondence accompanied SASE Happy quiet Electric landings everyonein rain snow whatever no matter what motor size RC Scale/Aune Continued page 45 Continue around circle using new mark derived through successive use tem plate new starting line until have five marks needed stars points Now slice straight lines connecting other point presto have mask star ready place model spray paint little 720 template will work size star up diameter 10 Scale math have calls people want know enlarge reduce scale detail using calculator problem cor rectly duplicating scale detail documenta tion model easily solved using ratioand-proportion math probably already know its worth going over dont method will take away guesswork invariably will pointed out some sharp judge things will need threecorner scale ruler calculator memo ry Such calculators available chain discount stores best kind have ap plication keeps its memory turned oft Make sure ruler has 60 fine marking scale will give highest resolution using small-sized documentation Heres go about task 1 Measure fuselage length plans model inches 2 Measure fuselage length docu mentation scale rulers 60 scale scale measurement 3 Find scale ratio calculator punch model inches press Divide key punch scale measurement press Equal key Put ratio calculators memory 4 Process a Press Memory Recall b Press X multiplication c Enter scale measurement 60 scale item documentation d Press l sign calculators screen will give direct readout actual inches model inches size item question example find model size round access panel top 76-in-span Bob Holman Corsair using Squadron/Signal pub lications documentation F4U Corsair Color following Press Memory Recall key 3 scale ra tio Multiply X 18 measured documentation using 60-scale ruler Continued page 154 July 1990 151 SPECIALISTSINCUSTOMCOX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALLCUSTOM&STOCKPARTS VAILABLE INDIWDUALL V COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRA NDSOFGLOWPL UGS HA RD-TO-FIND HA RD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARKPLUGS SILK8 COLORS QUA LITYDOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSIONLEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBERPOWERKITS PROPS TISSUEAND OTHER SUPPLIES C VA NOA CR YLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 7284365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Scale/Aune Continued page 151 Equal C read 327 Therefore make 327-in circle piece aluminum cut pop can compass cut out scissors rough up underside 80-grit sandpaper glue fuselage us ing RC-56 glue Note will need measure calculate location panel well us ing same method have found great value Scale modeling has come result building flying per severing giving Rewards always lag behind effort life Happy building RC Soaring/Blakeslee Continued page 47 come off tow best cheat some already something scooting over best pattern pays know whats going air before launch Failing having other information lo cal hot spots observing birds bugs etc fly straight upwind watch see plane drifts right left drifting side whats happening plane being sucked some sink will likely thermal other side wing tip suddenly moves up edge thermal trick turn back toward thermal try find core go straight out cant find anything plane getting small hard see dont just turn around come straight back cause youll flying through same air just searched Go off side other circle back wind will help bring plane back What signs fly right middle thermal What youll see plane speeding up tail rising control re sponse improving Whenever see tail airplane go up know its lift Thats can give little rudder aileron pull back stick go Youre make tail Glider sensi tive lift center-of-gravity balance point should far rearward can fly ie Glider being prone stalling too squirrelly fly What happens sink plane becomes sluggish tail may drop slightly Never fly plane tail down Push nose down zip through body sink Something making air go down air somewhere around going up fly another hundred feet should lift Never circle sink never hold Up eleva tor sink its like putting brakes Up el evator does make Glider go uponly up air makes go up rule Speed up sink slow down lift Sink bad because dicates must thermal nearby have quickly fly through patch sink other side up air core thermal have use Glider identify boundaries ther mal paint mental picture what looks like After plane detects thermal dont im mediately start circling Fly straight think thermal until plane stops go ing up identifies other side ther mal Make turn back thermal upwind direction headed upwind sink encountered youve identified another bounda ry thermal So move turn downwind slightly get back thermal lower plane faster has done Low thermals small dont have much altitude play wind blowing 5 mph thermal also drifting speed higher get faster thermal will drift Winds higher altitudes usually stronger ground level As gain alti tude thermal becomes larger can open up turn make bigger circles Al ways drift toward side circle producing strongest lift should stay cored What plane high ther mal want find another thermal because getting too far downwind away field Dont head straight back upwind Thats sink feeding ther mal youre Instead head back upwind an gle left right wind direction What about launching sink ready launch wind picks up Thermal lift headed downwind know youll launching right sink 1 Quickly launch chase thermal downwind 2 Stand winch try zoom off angle next thermal 3 Come up servo problem Sandbagging option 3 unsportsmanlike decision have make hurry based fast thermal moving what kind plane youre flying Gentle Lady 154 Model Aviation SUNBIRD SENSATION WITH STYLE Sunbird combines eye opening performance truly distinctive styling terrific flying design Whether choose 40 size Sunbird 10 Sunbird Jr youll find Sunbird perfect sport plane %fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 JUN lIt V-UIIVVtIVI LJIf V VERA GES OVER 9000 PROPS I! IMMEDIA TESHIPMENTON WSA/MC
Edition: Model Aviation - 1990/07
Page Numbers: 44, 45, 151, 154
Radio Cono1 Scale Earl Aune 13165 NW Filbert St Portland OR 97229 WHAT intriguing about building Scale mod els outsiders look see what lieve toy have no appreciation what go through recreate history Flying Scale models extremely unforgiv ing sport takes little pilot builder error months hard work disassembles self right before everyones eyes satisfac tion get just indescribable watch Scale creation worked hard fly gracefully across sky come per fect landing can experienced obtain appreciationby build have always held awe can create such detail model becomes difficult tell full-size model acquired knowledge comes years trial er ror experimentation know learning way life both challenging fun besides building Scale models tends present op portunities developing problem-solving skills Pinel lines rivets some small de tails transform model just model something draws crowd An automotive pinstripe tape made 3M / wide works very well simulating panel lines need smaller size tape take 3Ms %2 tape split down middle sharp knife Lay out tape proper position according threeviews spray three four heavy coats Plas ticote #466 automotive gray primer right over tape allowing couple minutes between eadh coat primer fuelproof sands easily goes thickly since has spot putty After about 15 minutes peel off tape youre ready rivets Adding rivet detail Several methods have used successfully install rivets Scale riv ets usually made depositing small drop glue models surface dries painted closely resembles real rivet involved using variety tools ranged toothpicks hypodermic needles however drawbacks chief being length time install rivet NI / K 5 1625 sketch shows lay Qut typIcal 5point insignia star using 72 template Earl tells make use column received item mail will make toothpicks thing past item tended used marking circuit boards IC chips ink solder mask resistant ink Its like fountain pen has reservoir needle tip just give little squeeze forms perfect glue drop can really go fast things come two sizes will need standard microtip 013 price $525 standard tip $575 microtip add dollar postage L Larry Smiths FW190 Bob Holman plans gives excellent example greatly enh@nced realism resulting rivet detailing Art Newlands realIstic Japanese Zero 1from Bert Baker kit now offered Bob Holman flies well no typical tIp-stall characterIstics typically found models WW l planes Author Earl Aunes Spitfire Mk 9 also built Bob Holman plans uses SuperTigre 75 power 44 Model Aviation Ask have filled either thinned white glue left empty usually fill R/C 56 adhesive anyway additional 35C will send neat stand totals $1235 whole works can also use glue items hard-toreach places Tell Earl sent Note use microtip glue needs thinned usually water Order Metron Optics Inc PO Box 690 Solana Beach CA 92075-0690 tel 1-619/755-4752 finishing Spray light coat chrome en amel Odds Ends craft paint over rivets panel lines leading edges Youll find out minute Dont overdo step lit tle goes long way final coat paint will have trouble sticking stuff dry lightly sand 400-grit around rivets rivets themselves just around rivets Now apply final paint finish After final paint has cured couple days apply some Mr Clean cleaning compound con taining pumice soft cloth lightly rub over rivets direction airflow take some very rough sandpaper 20-grit tap along leading edges wing stab will expose some chrome paint underneath Its very realistic older model gets better looks make stars look right warbirds has always challenge five points star markings must spaced equally apart Its easy have 72 template 3 0 5 will place five points around circle evenly Theres sketch such item some first pages months col umn make cutting 5-in square piece 015-in plastic cardboard Make mark side 1625 corner Lay straightedge adjoining corners 1625-in mark slice off resultant 18 wedge Make sure use straight edge sharp knife cut make star model take piece clear Contact shelf paper draw circle desired diameter using compass Mark starting line top place 720 template points center circle aligning top starting line circle edge template making mark other side template template circle inter sect Continued page 151 THE SKY IS NEVER THE LIMIT WHEN YOURE FLYING LANIER RC JAVELIN * BE THE HOT DOG PILOT AT YOUR FIELD WITH THIS LOW-WING SPORT AIRPLANE TAIL FEATHERS MUST BE COVERED OR PAINTED Fuselage Length 37 Rec Engine Size Flying weight 3 ibs Wing Span 50 Area 350 sq Radio Channels 4 WRITE TODAY FOR YOUR FREE COLOR CATALOG SEND SASE PO Box 458Oakwood GA 30566404-532-6401 MADE 4N THE USA July 1990 45 Earl Aune rightfully proud cockpit rivet/panel line detail Corsair night fighter An OS 120 Surpass fourstroke powers 18-lb model too built Bob Holman plans OUT OF THE ASHES . THE WINNERS CIRCLE PHOENIX SPAN 32 AREA 1047 SQ IN WEIGHT 72-78 OZ AiRFOIL 84061 WP4GLOAO 10 OZ/8Q FT ASPECT RATIO 167 1 _______________________ COMPETITION PRODUCTS 921 BIRDIE WAY APOLLO BEACH FL 33572 FOR ADDONAL INFORMATION SEND LSASE 3 645 5171 CRASH PREVENTION SYSTEM rides aircraft performing functions Worlds First Audible ESV Battery Monitor Simple Battery Cyder Audible Power Indicator Lost Aircraft Finder Range Tester Interference Monitor supported PCM Radio Systems PROTECT YOUR INVESTMENT AND FLY WITH COMPLETE CONFIDENCE Unlike other simple monitoring devices THE GUARDIAN ANGEL protects losing aircraft six different ways unique audible voltmeter actually lets hear condition Ni-cd batteries continuous beeps spaced about 20 seconds apart get doser doser batteries discharge octur faster beep per second DONT FLY No LEDs meters remember look Much better designs warn its too late ThE GUARDIAN ANGEL also simple battery cycler measures battery capacity Its interference monitor signaling channel dear Use find lost aircraft weeds As range tester accurately tells youre out range Finally slow constant beeps serve remind receiver No dead batteries get field l Easily connects unused servo channel between servo receiver Units shipped tinned leads add $800 Futaba connectors lspeci modell Once pen Aen floos4 THE GUARDIAN ANGEL peooi#ae/efeecoof4ie no4d LOW POWER HS 06 OZ L SIZE ABLE RATE TO INSTALL 30 day money hack guarantee ORDER DIRECT List Price $3995 Special Introductory Price $2995 plus $300 Postage HandlingFlorida residents add 6% sales tax EVESend check MO Cull COD Day Warranty write call informationDealer & distributor inquiries welcome T mE Tejera MIcrosystems Eaglneerlmg Inc 813 968-9510 PO Box 340608 Tampa FlorIda 33694 RC Electrics/Kopski Continued page 115 household words well Bob feels future model aviation lies hobby becoming national sport associated major business aspects media implications course US domina tion international events would exist hand-inhand anxious promote kind thinking wants see sorts things hap pening Bob hinted might time dedicated Electric competition-oriented maga zine may indeed case did comment far can tell readers seem hobbyists flying Electric casually fun However did promise him Id try stir up sport-oriented and/or serious contest interest may latent among readers column Therefore am seriously requesting such inclinations please write Bob Boucher pronounced Boo-s/wy RMcM Astro Flight Inc 13311 Beach Ave Marina Del Rey CA 90292 tell im Bob sent ya Future columns will once again include some Electric basics Ive come realize monthly presentation has gradually strayed away area though intentionally Basics fact Model Aviation started its Electric coverage late 83 no matter what year-then nowthere always beginners seeking beginning information mind Ill once again cover some basic topics part future monthly installments wont forget experienced folks either Lets just say Ill strive balance Oh column longer now drizzly chilly April 1 Sunday afternoon have new electrified Sig Senior ita Im anxious fly So go out now After its first flight last Saturday snowstorm Folks Im hot fly Im hot fly Please direct comment question au thor address given column header Model Aviation editorial offices will reply correspondence accompanied SASE Happy quiet Electric landings everyonein rain snow whatever no matter what motor size RC Scale/Aune Continued page 45 Continue around circle using new mark derived through successive use tem plate new starting line until have five marks needed stars points Now slice straight lines connecting other point presto have mask star ready place model spray paint little 720 template will work size star up diameter 10 Scale math have calls people want know enlarge reduce scale detail using calculator problem cor rectly duplicating scale detail documenta tion model easily solved using ratioand-proportion math probably already know its worth going over dont method will take away guesswork invariably will pointed out some sharp judge things will need threecorner scale ruler calculator memo ry Such calculators available chain discount stores best kind have ap plication keeps its memory turned oft Make sure ruler has 60 fine marking scale will give highest resolution using small-sized documentation Heres go about task 1 Measure fuselage length plans model inches 2 Measure fuselage length docu mentation scale rulers 60 scale scale measurement 3 Find scale ratio calculator punch model inches press Divide key punch scale measurement press Equal key Put ratio calculators memory 4 Process a Press Memory Recall b Press X multiplication c Enter scale measurement 60 scale item documentation d Press l sign calculators screen will give direct readout actual inches model inches size item question example find model size round access panel top 76-in-span Bob Holman Corsair using Squadron/Signal pub lications documentation F4U Corsair Color following Press Memory Recall key 3 scale ra tio Multiply X 18 measured documentation using 60-scale ruler Continued page 154 July 1990 151 SPECIALISTSINCUSTOMCOX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALLCUSTOM&STOCKPARTS VAILABLE INDIWDUALL V COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRA NDSOFGLOWPL UGS HA RD-TO-FIND HA RD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARKPLUGS SILK8 COLORS QUA LITYDOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSIONLEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBERPOWERKITS PROPS TISSUEAND OTHER SUPPLIES C VA NOA CR YLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 7284365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Scale/Aune Continued page 151 Equal C read 327 Therefore make 327-in circle piece aluminum cut pop can compass cut out scissors rough up underside 80-grit sandpaper glue fuselage us ing RC-56 glue Note will need measure calculate location panel well us ing same method have found great value Scale modeling has come result building flying per severing giving Rewards always lag behind effort life Happy building RC Soaring/Blakeslee Continued page 47 come off tow best cheat some already something scooting over best pattern pays know whats going air before launch Failing having other information lo cal hot spots observing birds bugs etc fly straight upwind watch see plane drifts right left drifting side whats happening plane being sucked some sink will likely thermal other side wing tip suddenly moves up edge thermal trick turn back toward thermal try find core go straight out cant find anything plane getting small hard see dont just turn around come straight back cause youll flying through same air just searched Go off side other circle back wind will help bring plane back What signs fly right middle thermal What youll see plane speeding up tail rising control re sponse improving Whenever see tail airplane go up know its lift Thats can give little rudder aileron pull back stick go Youre make tail Glider sensi tive lift center-of-gravity balance point should far rearward can fly ie Glider being prone stalling too squirrelly fly What happens sink plane becomes sluggish tail may drop slightly Never fly plane tail down Push nose down zip through body sink Something making air go down air somewhere around going up fly another hundred feet should lift Never circle sink never hold Up eleva tor sink its like putting brakes Up el evator does make Glider go uponly up air makes go up rule Speed up sink slow down lift Sink bad because dicates must thermal nearby have quickly fly through patch sink other side up air core thermal have use Glider identify boundaries ther mal paint mental picture what looks like After plane detects thermal dont im mediately start circling Fly straight think thermal until plane stops go ing up identifies other side ther mal Make turn back thermal upwind direction headed upwind sink encountered youve identified another bounda ry thermal So move turn downwind slightly get back thermal lower plane faster has done Low thermals small dont have much altitude play wind blowing 5 mph thermal also drifting speed higher get faster thermal will drift Winds higher altitudes usually stronger ground level As gain alti tude thermal becomes larger can open up turn make bigger circles Al ways drift toward side circle producing strongest lift should stay cored What plane high ther mal want find another thermal because getting too far downwind away field Dont head straight back upwind Thats sink feeding ther mal youre Instead head back upwind an gle left right wind direction What about launching sink ready launch wind picks up Thermal lift headed downwind know youll launching right sink 1 Quickly launch chase thermal downwind 2 Stand winch try zoom off angle next thermal 3 Come up servo problem Sandbagging option 3 unsportsmanlike decision have make hurry based fast thermal moving what kind plane youre flying Gentle Lady 154 Model Aviation SUNBIRD SENSATION WITH STYLE Sunbird combines eye opening performance truly distinctive styling terrific flying design Whether choose 40 size Sunbird 10 Sunbird Jr youll find Sunbird perfect sport plane %fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 JUN lIt V-UIIVVtIVI LJIf V VERA GES OVER 9000 PROPS I! IMMEDIA TESHIPMENTON WSA/MC
Edition: Model Aviation - 1990/07
Page Numbers: 44, 45, 151, 154
Radio Cono1 Scale Earl Aune 13165 NW Filbert St Portland OR 97229 WHAT intriguing about building Scale mod els outsiders look see what lieve toy have no appreciation what go through recreate history Flying Scale models extremely unforgiv ing sport takes little pilot builder error months hard work disassembles self right before everyones eyes satisfac tion get just indescribable watch Scale creation worked hard fly gracefully across sky come per fect landing can experienced obtain appreciationby build have always held awe can create such detail model becomes difficult tell full-size model acquired knowledge comes years trial er ror experimentation know learning way life both challenging fun besides building Scale models tends present op portunities developing problem-solving skills Pinel lines rivets some small de tails transform model just model something draws crowd An automotive pinstripe tape made 3M / wide works very well simulating panel lines need smaller size tape take 3Ms %2 tape split down middle sharp knife Lay out tape proper position according threeviews spray three four heavy coats Plas ticote #466 automotive gray primer right over tape allowing couple minutes between eadh coat primer fuelproof sands easily goes thickly since has spot putty After about 15 minutes peel off tape youre ready rivets Adding rivet detail Several methods have used successfully install rivets Scale riv ets usually made depositing small drop glue models surface dries painted closely resembles real rivet involved using variety tools ranged toothpicks hypodermic needles however drawbacks chief being length time install rivet NI / K 5 1625 sketch shows lay Qut typIcal 5point insignia star using 72 template Earl tells make use column received item mail will make toothpicks thing past item tended used marking circuit boards IC chips ink solder mask resistant ink Its like fountain pen has reservoir needle tip just give little squeeze forms perfect glue drop can really go fast things come two sizes will need standard microtip 013 price $525 standard tip $575 microtip add dollar postage L Larry Smiths FW190 Bob Holman plans gives excellent example greatly enh@nced realism resulting rivet detailing Art Newlands realIstic Japanese Zero 1from Bert Baker kit now offered Bob Holman flies well no typical tIp-stall characterIstics typically found models WW l planes Author Earl Aunes Spitfire Mk 9 also built Bob Holman plans uses SuperTigre 75 power 44 Model Aviation Ask have filled either thinned white glue left empty usually fill R/C 56 adhesive anyway additional 35C will send neat stand totals $1235 whole works can also use glue items hard-toreach places Tell Earl sent Note use microtip glue needs thinned usually water Order Metron Optics Inc PO Box 690 Solana Beach CA 92075-0690 tel 1-619/755-4752 finishing Spray light coat chrome en amel Odds Ends craft paint over rivets panel lines leading edges Youll find out minute Dont overdo step lit tle goes long way final coat paint will have trouble sticking stuff dry lightly sand 400-grit around rivets rivets themselves just around rivets Now apply final paint finish After final paint has cured couple days apply some Mr Clean cleaning compound con taining pumice soft cloth lightly rub over rivets direction airflow take some very rough sandpaper 20-grit tap along leading edges wing stab will expose some chrome paint underneath Its very realistic older model gets better looks make stars look right warbirds has always challenge five points star markings must spaced equally apart Its easy have 72 template 3 0 5 will place five points around circle evenly Theres sketch such item some first pages months col umn make cutting 5-in square piece 015-in plastic cardboard Make mark side 1625 corner Lay straightedge adjoining corners 1625-in mark slice off resultant 18 wedge Make sure use straight edge sharp knife cut make star model take piece clear Contact shelf paper draw circle desired diameter using compass Mark starting line top place 720 template points center circle aligning top starting line circle edge template making mark other side template template circle inter sect Continued page 151 THE SKY IS NEVER THE LIMIT WHEN YOURE FLYING LANIER RC JAVELIN * BE THE HOT DOG PILOT AT YOUR FIELD WITH THIS LOW-WING SPORT AIRPLANE TAIL FEATHERS MUST BE COVERED OR PAINTED Fuselage Length 37 Rec Engine Size Flying weight 3 ibs Wing Span 50 Area 350 sq Radio Channels 4 WRITE TODAY FOR YOUR FREE COLOR CATALOG SEND SASE PO Box 458Oakwood GA 30566404-532-6401 MADE 4N THE USA July 1990 45 Earl Aune rightfully proud cockpit rivet/panel line detail Corsair night fighter An OS 120 Surpass fourstroke powers 18-lb model too built Bob Holman plans OUT OF THE ASHES . THE WINNERS CIRCLE PHOENIX SPAN 32 AREA 1047 SQ IN WEIGHT 72-78 OZ AiRFOIL 84061 WP4GLOAO 10 OZ/8Q FT ASPECT RATIO 167 1 _______________________ COMPETITION PRODUCTS 921 BIRDIE WAY APOLLO BEACH FL 33572 FOR ADDONAL INFORMATION SEND LSASE 3 645 5171 CRASH PREVENTION SYSTEM rides aircraft performing functions Worlds First Audible ESV Battery Monitor Simple Battery Cyder Audible Power Indicator Lost Aircraft Finder Range Tester Interference Monitor supported PCM Radio Systems PROTECT YOUR INVESTMENT AND FLY WITH COMPLETE CONFIDENCE Unlike other simple monitoring devices THE GUARDIAN ANGEL protects losing aircraft six different ways unique audible voltmeter actually lets hear condition Ni-cd batteries continuous beeps spaced about 20 seconds apart get doser doser batteries discharge octur faster beep per second DONT FLY No LEDs meters remember look Much better designs warn its too late ThE GUARDIAN ANGEL also simple battery cycler measures battery capacity Its interference monitor signaling channel dear Use find lost aircraft weeds As range tester accurately tells youre out range Finally slow constant beeps serve remind receiver No dead batteries get field l Easily connects unused servo channel between servo receiver Units shipped tinned leads add $800 Futaba connectors lspeci modell Once pen Aen floos4 THE GUARDIAN ANGEL peooi#ae/efeecoof4ie no4d LOW POWER HS 06 OZ L SIZE ABLE RATE TO INSTALL 30 day money hack guarantee ORDER DIRECT List Price $3995 Special Introductory Price $2995 plus $300 Postage HandlingFlorida residents add 6% sales tax EVESend check MO Cull COD Day Warranty write call informationDealer & distributor inquiries welcome T mE Tejera MIcrosystems Eaglneerlmg Inc 813 968-9510 PO Box 340608 Tampa FlorIda 33694 RC Electrics/Kopski Continued page 115 household words well Bob feels future model aviation lies hobby becoming national sport associated major business aspects media implications course US domina tion international events would exist hand-inhand anxious promote kind thinking wants see sorts things hap pening Bob hinted might time dedicated Electric competition-oriented maga zine may indeed case did comment far can tell readers seem hobbyists flying Electric casually fun However did promise him Id try stir up sport-oriented and/or serious contest interest may latent among readers column Therefore am seriously requesting such inclinations please write Bob Boucher pronounced Boo-s/wy RMcM Astro Flight Inc 13311 Beach Ave Marina Del Rey CA 90292 tell im Bob sent ya Future columns will once again include some Electric basics Ive come realize monthly presentation has gradually strayed away area though intentionally Basics fact Model Aviation started its Electric coverage late 83 no matter what year-then nowthere always beginners seeking beginning information mind Ill once again cover some basic topics part future monthly installments wont forget experienced folks either Lets just say Ill strive balance Oh column longer now drizzly chilly April 1 Sunday afternoon have new electrified Sig Senior ita Im anxious fly So go out now After its first flight last Saturday snowstorm Folks Im hot fly Im hot fly Please direct comment question au thor address given column header Model Aviation editorial offices will reply correspondence accompanied SASE Happy quiet Electric landings everyonein rain snow whatever no matter what motor size RC Scale/Aune Continued page 45 Continue around circle using new mark derived through successive use tem plate new starting line until have five marks needed stars points Now slice straight lines connecting other point presto have mask star ready place model spray paint little 720 template will work size star up diameter 10 Scale math have calls people want know enlarge reduce scale detail using calculator problem cor rectly duplicating scale detail documenta tion model easily solved using ratioand-proportion math probably already know its worth going over dont method will take away guesswork invariably will pointed out some sharp judge things will need threecorner scale ruler calculator memo ry Such calculators available chain discount stores best kind have ap plication keeps its memory turned oft Make sure ruler has 60 fine marking scale will give highest resolution using small-sized documentation Heres go about task 1 Measure fuselage length plans model inches 2 Measure fuselage length docu mentation scale rulers 60 scale scale measurement 3 Find scale ratio calculator punch model inches press Divide key punch scale measurement press Equal key Put ratio calculators memory 4 Process a Press Memory Recall b Press X multiplication c Enter scale measurement 60 scale item documentation d Press l sign calculators screen will give direct readout actual inches model inches size item question example find model size round access panel top 76-in-span Bob Holman Corsair using Squadron/Signal pub lications documentation F4U Corsair Color following Press Memory Recall key 3 scale ra tio Multiply X 18 measured documentation using 60-scale ruler Continued page 154 July 1990 151 SPECIALISTSINCUSTOMCOX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALLCUSTOM&STOCKPARTS VAILABLE INDIWDUALL V COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRA NDSOFGLOWPL UGS HA RD-TO-FIND HA RD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARKPLUGS SILK8 COLORS QUA LITYDOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSIONLEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBERPOWERKITS PROPS TISSUEAND OTHER SUPPLIES C VA NOA CR YLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 7284365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Scale/Aune Continued page 151 Equal C read 327 Therefore make 327-in circle piece aluminum cut pop can compass cut out scissors rough up underside 80-grit sandpaper glue fuselage us ing RC-56 glue Note will need measure calculate location panel well us ing same method have found great value Scale modeling has come result building flying per severing giving Rewards always lag behind effort life Happy building RC Soaring/Blakeslee Continued page 47 come off tow best cheat some already something scooting over best pattern pays know whats going air before launch Failing having other information lo cal hot spots observing birds bugs etc fly straight upwind watch see plane drifts right left drifting side whats happening plane being sucked some sink will likely thermal other side wing tip suddenly moves up edge thermal trick turn back toward thermal try find core go straight out cant find anything plane getting small hard see dont just turn around come straight back cause youll flying through same air just searched Go off side other circle back wind will help bring plane back What signs fly right middle thermal What youll see plane speeding up tail rising control re sponse improving Whenever see tail airplane go up know its lift Thats can give little rudder aileron pull back stick go Youre make tail Glider sensi tive lift center-of-gravity balance point should far rearward can fly ie Glider being prone stalling too squirrelly fly What happens sink plane becomes sluggish tail may drop slightly Never fly plane tail down Push nose down zip through body sink Something making air go down air somewhere around going up fly another hundred feet should lift Never circle sink never hold Up eleva tor sink its like putting brakes Up el evator does make Glider go uponly up air makes go up rule Speed up sink slow down lift Sink bad because dicates must thermal nearby have quickly fly through patch sink other side up air core thermal have use Glider identify boundaries ther mal paint mental picture what looks like After plane detects thermal dont im mediately start circling Fly straight think thermal until plane stops go ing up identifies other side ther mal Make turn back thermal upwind direction headed upwind sink encountered youve identified another bounda ry thermal So move turn downwind slightly get back thermal lower plane faster has done Low thermals small dont have much altitude play wind blowing 5 mph thermal also drifting speed higher get faster thermal will drift Winds higher altitudes usually stronger ground level As gain alti tude thermal becomes larger can open up turn make bigger circles Al ways drift toward side circle producing strongest lift should stay cored What plane high ther mal want find another thermal because getting too far downwind away field Dont head straight back upwind Thats sink feeding ther mal youre Instead head back upwind an gle left right wind direction What about launching sink ready launch wind picks up Thermal lift headed downwind know youll launching right sink 1 Quickly launch chase thermal downwind 2 Stand winch try zoom off angle next thermal 3 Come up servo problem Sandbagging option 3 unsportsmanlike decision have make hurry based fast thermal moving what kind plane youre flying Gentle Lady 154 Model Aviation SUNBIRD SENSATION WITH STYLE Sunbird combines eye opening performance truly distinctive styling terrific flying design Whether choose 40 size Sunbird 10 Sunbird Jr youll find Sunbird perfect sport plane %fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 JUN lIt V-UIIVVtIVI LJIf V VERA GES OVER 9000 PROPS I! IMMEDIA TESHIPMENTON WSA/MC
Edition: Model Aviation - 1990/07
Page Numbers: 44, 45, 151, 154
Radio Cono1 Scale Earl Aune 13165 NW Filbert St Portland OR 97229 WHAT intriguing about building Scale mod els outsiders look see what lieve toy have no appreciation what go through recreate history Flying Scale models extremely unforgiv ing sport takes little pilot builder error months hard work disassembles self right before everyones eyes satisfac tion get just indescribable watch Scale creation worked hard fly gracefully across sky come per fect landing can experienced obtain appreciationby build have always held awe can create such detail model becomes difficult tell full-size model acquired knowledge comes years trial er ror experimentation know learning way life both challenging fun besides building Scale models tends present op portunities developing problem-solving skills Pinel lines rivets some small de tails transform model just model something draws crowd An automotive pinstripe tape made 3M / wide works very well simulating panel lines need smaller size tape take 3Ms %2 tape split down middle sharp knife Lay out tape proper position according threeviews spray three four heavy coats Plas ticote #466 automotive gray primer right over tape allowing couple minutes between eadh coat primer fuelproof sands easily goes thickly since has spot putty After about 15 minutes peel off tape youre ready rivets Adding rivet detail Several methods have used successfully install rivets Scale riv ets usually made depositing small drop glue models surface dries painted closely resembles real rivet involved using variety tools ranged toothpicks hypodermic needles however drawbacks chief being length time install rivet NI / K 5 1625 sketch shows lay Qut typIcal 5point insignia star using 72 template Earl tells make use column received item mail will make toothpicks thing past item tended used marking circuit boards IC chips ink solder mask resistant ink Its like fountain pen has reservoir needle tip just give little squeeze forms perfect glue drop can really go fast things come two sizes will need standard microtip 013 price $525 standard tip $575 microtip add dollar postage L Larry Smiths FW190 Bob Holman plans gives excellent example greatly enh@nced realism resulting rivet detailing Art Newlands realIstic Japanese Zero 1from Bert Baker kit now offered Bob Holman flies well no typical tIp-stall characterIstics typically found models WW l planes Author Earl Aunes Spitfire Mk 9 also built Bob Holman plans uses SuperTigre 75 power 44 Model Aviation Ask have filled either thinned white glue left empty usually fill R/C 56 adhesive anyway additional 35C will send neat stand totals $1235 whole works can also use glue items hard-toreach places Tell Earl sent Note use microtip glue needs thinned usually water Order Metron Optics Inc PO Box 690 Solana Beach CA 92075-0690 tel 1-619/755-4752 finishing Spray light coat chrome en amel Odds Ends craft paint over rivets panel lines leading edges Youll find out minute Dont overdo step lit tle goes long way final coat paint will have trouble sticking stuff dry lightly sand 400-grit around rivets rivets themselves just around rivets Now apply final paint finish After final paint has cured couple days apply some Mr Clean cleaning compound con taining pumice soft cloth lightly rub over rivets direction airflow take some very rough sandpaper 20-grit tap along leading edges wing stab will expose some chrome paint underneath Its very realistic older model gets better looks make stars look right warbirds has always challenge five points star markings must spaced equally apart Its easy have 72 template 3 0 5 will place five points around circle evenly Theres sketch such item some first pages months col umn make cutting 5-in square piece 015-in plastic cardboard Make mark side 1625 corner Lay straightedge adjoining corners 1625-in mark slice off resultant 18 wedge Make sure use straight edge sharp knife cut make star model take piece clear Contact shelf paper draw circle desired diameter using compass Mark starting line top place 720 template points center circle aligning top starting line circle edge template making mark other side template template circle inter sect Continued page 151 THE SKY IS NEVER THE LIMIT WHEN YOURE FLYING LANIER RC JAVELIN * BE THE HOT DOG PILOT AT YOUR FIELD WITH THIS LOW-WING SPORT AIRPLANE TAIL FEATHERS MUST BE COVERED OR PAINTED Fuselage Length 37 Rec Engine Size Flying weight 3 ibs Wing Span 50 Area 350 sq Radio Channels 4 WRITE TODAY FOR YOUR FREE COLOR CATALOG SEND SASE PO Box 458Oakwood GA 30566404-532-6401 MADE 4N THE USA July 1990 45 Earl Aune rightfully proud cockpit rivet/panel line detail Corsair night fighter An OS 120 Surpass fourstroke powers 18-lb model too built Bob Holman plans OUT OF THE ASHES . THE WINNERS CIRCLE PHOENIX SPAN 32 AREA 1047 SQ IN WEIGHT 72-78 OZ AiRFOIL 84061 WP4GLOAO 10 OZ/8Q FT ASPECT RATIO 167 1 _______________________ COMPETITION PRODUCTS 921 BIRDIE WAY APOLLO BEACH FL 33572 FOR ADDONAL INFORMATION SEND LSASE 3 645 5171 CRASH PREVENTION SYSTEM rides aircraft performing functions Worlds First Audible ESV Battery Monitor Simple Battery Cyder Audible Power Indicator Lost Aircraft Finder Range Tester Interference Monitor supported PCM Radio Systems PROTECT YOUR INVESTMENT AND FLY WITH COMPLETE CONFIDENCE Unlike other simple monitoring devices THE GUARDIAN ANGEL protects losing aircraft six different ways unique audible voltmeter actually lets hear condition Ni-cd batteries continuous beeps spaced about 20 seconds apart get doser doser batteries discharge octur faster beep per second DONT FLY No LEDs meters remember look Much better designs warn its too late ThE GUARDIAN ANGEL also simple battery cycler measures battery capacity Its interference monitor signaling channel dear Use find lost aircraft weeds As range tester accurately tells youre out range Finally slow constant beeps serve remind receiver No dead batteries get field l Easily connects unused servo channel between servo receiver Units shipped tinned leads add $800 Futaba connectors lspeci modell Once pen Aen floos4 THE GUARDIAN ANGEL peooi#ae/efeecoof4ie no4d LOW POWER HS 06 OZ L SIZE ABLE RATE TO INSTALL 30 day money hack guarantee ORDER DIRECT List Price $3995 Special Introductory Price $2995 plus $300 Postage HandlingFlorida residents add 6% sales tax EVESend check MO Cull COD Day Warranty write call informationDealer & distributor inquiries welcome T mE Tejera MIcrosystems Eaglneerlmg Inc 813 968-9510 PO Box 340608 Tampa FlorIda 33694 RC Electrics/Kopski Continued page 115 household words well Bob feels future model aviation lies hobby becoming national sport associated major business aspects media implications course US domina tion international events would exist hand-inhand anxious promote kind thinking wants see sorts things hap pening Bob hinted might time dedicated Electric competition-oriented maga zine may indeed case did comment far can tell readers seem hobbyists flying Electric casually fun However did promise him Id try stir up sport-oriented and/or serious contest interest may latent among readers column Therefore am seriously requesting such inclinations please write Bob Boucher pronounced Boo-s/wy RMcM Astro Flight Inc 13311 Beach Ave Marina Del Rey CA 90292 tell im Bob sent ya Future columns will once again include some Electric basics Ive come realize monthly presentation has gradually strayed away area though intentionally Basics fact Model Aviation started its Electric coverage late 83 no matter what year-then nowthere always beginners seeking beginning information mind Ill once again cover some basic topics part future monthly installments wont forget experienced folks either Lets just say Ill strive balance Oh column longer now drizzly chilly April 1 Sunday afternoon have new electrified Sig Senior ita Im anxious fly So go out now After its first flight last Saturday snowstorm Folks Im hot fly Im hot fly Please direct comment question au thor address given column header Model Aviation editorial offices will reply correspondence accompanied SASE Happy quiet Electric landings everyonein rain snow whatever no matter what motor size RC Scale/Aune Continued page 45 Continue around circle using new mark derived through successive use tem plate new starting line until have five marks needed stars points Now slice straight lines connecting other point presto have mask star ready place model spray paint little 720 template will work size star up diameter 10 Scale math have calls people want know enlarge reduce scale detail using calculator problem cor rectly duplicating scale detail documenta tion model easily solved using ratioand-proportion math probably already know its worth going over dont method will take away guesswork invariably will pointed out some sharp judge things will need threecorner scale ruler calculator memo ry Such calculators available chain discount stores best kind have ap plication keeps its memory turned oft Make sure ruler has 60 fine marking scale will give highest resolution using small-sized documentation Heres go about task 1 Measure fuselage length plans model inches 2 Measure fuselage length docu mentation scale rulers 60 scale scale measurement 3 Find scale ratio calculator punch model inches press Divide key punch scale measurement press Equal key Put ratio calculators memory 4 Process a Press Memory Recall b Press X multiplication c Enter scale measurement 60 scale item documentation d Press l sign calculators screen will give direct readout actual inches model inches size item question example find model size round access panel top 76-in-span Bob Holman Corsair using Squadron/Signal pub lications documentation F4U Corsair Color following Press Memory Recall key 3 scale ra tio Multiply X 18 measured documentation using 60-scale ruler Continued page 154 July 1990 151 SPECIALISTSINCUSTOMCOX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALLCUSTOM&STOCKPARTS VAILABLE INDIWDUALL V COMPETITIONACCESSORIES RACING WHEELS KLOTZOIL CARBON FIBER SOLID LINES ALL KINDS OFFUEL TUBING THREE BRA NDSOFGLOWPL UGS HA RD-TO-FIND HA RD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK& STIlT SPARKPLUGS SILK8 COLORS QUA LITYDOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTORIGNITIONSYSTEMS RESISTOR HIGH TENSIONLEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBERPOWERKITS PROPS TISSUEAND OTHER SUPPLIES C VA NOA CR YLA TES & EPOXIES ORDER BY MAIL OR PHONE 619 7284365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $300 STOCK ORDERS SHIPPED WITHIN 24 HRS RC Scale/Aune Continued page 151 Equal C read 327 Therefore make 327-in circle piece aluminum cut pop can compass cut out scissors rough up underside 80-grit sandpaper glue fuselage us ing RC-56 glue Note will need measure calculate location panel well us ing same method have found great value Scale modeling has come result building flying per severing giving Rewards always lag behind effort life Happy building RC Soaring/Blakeslee Continued page 47 come off tow best cheat some already something scooting over best pattern pays know whats going air before launch Failing having other information lo cal hot spots observing birds bugs etc fly straight upwind watch see plane drifts right left drifting side whats happening plane being sucked some sink will likely thermal other side wing tip suddenly moves up edge thermal trick turn back toward thermal try find core go straight out cant find anything plane getting small hard see dont just turn around come straight back cause youll flying through same air just searched Go off side other circle back wind will help bring plane back What signs fly right middle thermal What youll see plane speeding up tail rising control re sponse improving Whenever see tail airplane go up know its lift Thats can give little rudder aileron pull back stick go Youre make tail Glider sensi tive lift center-of-gravity balance point should far rearward can fly ie Glider being prone stalling too squirrelly fly What happens sink plane becomes sluggish tail may drop slightly Never fly plane tail down Push nose down zip through body sink Something making air go down air somewhere around going up fly another hundred feet should lift Never circle sink never hold Up eleva tor sink its like putting brakes Up el evator does make Glider go uponly up air makes go up rule Speed up sink slow down lift Sink bad because dicates must thermal nearby have quickly fly through patch sink other side up air core thermal have use Glider identify boundaries ther mal paint mental picture what looks like After plane detects thermal dont im mediately start circling Fly straight think thermal until plane stops go ing up identifies other side ther mal Make turn back thermal upwind direction headed upwind sink encountered youve identified another bounda ry thermal So move turn downwind slightly get back thermal lower plane faster has done Low thermals small dont have much altitude play wind blowing 5 mph thermal also drifting speed higher get faster thermal will drift Winds higher altitudes usually stronger ground level As gain alti tude thermal becomes larger can open up turn make bigger circles Al ways drift toward side circle producing strongest lift should stay cored What plane high ther mal want find another thermal because getting too far downwind away field Dont head straight back upwind Thats sink feeding ther mal youre Instead head back upwind an gle left right wind direction What about launching sink ready launch wind picks up Thermal lift headed downwind know youll launching right sink 1 Quickly launch chase thermal downwind 2 Stand winch try zoom off angle next thermal 3 Come up servo problem Sandbagging option 3 unsportsmanlike decision have make hurry based fast thermal moving what kind plane youre flying Gentle Lady 154 Model Aviation SUNBIRD SENSATION WITH STYLE Sunbird combines eye opening performance truly distinctive styling terrific flying design Whether choose 40 size Sunbird 10 Sunbird Jr youll find Sunbird perfect sport plane %fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 JUN lIt V-UIIVVtIVI LJIf V VERA GES OVER 9000 PROPS I! IMMEDIA TESHIPMENTON WSA/MC