Gary Shaw U riw LV21 Liii IqiIE d Although IMAA event went well-attended pilots couldnt help notice small number airplanes actually flew After looking around became clear 10- 15-knot crosswind across field grounded advanced pilots Actually given large size models involved cost per airplane safety perspective nice see pilots sit weather out enjoy soda Wind has always posed challenge fly aircraft Whether hobbyist full-scale pilot truly competent aircraft need take skies blustery days although wind can fun feel intimidated slightest breeze perhaps Clay Ramskill can help master another challenging aspect hobby too often otherwise nice windy day folks just ENJOY attending good fun-fly Its opportunity sit backinto sticky situation watch some good flying pick up few tips see some new ral Control Ailerons very beneficial crosswind airplanes meet new friends enjoy afternoon No matterlanding takeoff phases ability dip wing what type event club fun-flys offer wholesome fun ancrosswind changing heading essential ability opportunity individuals families get out enjoy somerudder plane parallel runway heading keeping fresh airwings level aileron landing During recent weekend Florida opportunity ing Gear Tn-gear planes easier land take off attend event put local chapter Internationala crosswind taildraggers wider spread main Miniature Aircraft Association IMAA organization thatgear better represents hobbyists fly really big stuff memory serves uverability ones bit harder quantify want right qualify fly category length wing hasa plane stability yet need good maneuverability to meet exceed 80 inches Its hard find airplanes fromcope gusts So want plane stable yet responsive distance almost appear large enough take human pilot Mounting Generally low-wing plane will handle ridecrosswinds better because CG [center gravity] plane nearer vertical sense aerodynamic center wing So low wing plane easily rolled side gust mounting main landing gear low wing can spread Out wider Its unfortunate almost item above direct opposition characteristics found lot popular trainers main exception being requirement tricycle landing gear trainers differences compare Seniorita Cadet Mk2 Seniorita may bit slower bit easier fly Cadet its ailerons higher wing loading lower aspect ratio lower dihedral far better plane flying windy conditions Going step further same kit manufacturer Cougar 40/Cobra ~60sizekitsembodyalltheright dont fly Obviously beginner thats just common sense.jcharacteristics windy flying someone has some experience wind should Just closing offer Confucius another challenge add some spice theironly known saying about R/C flying flying To learn fly wind must fly its easy see experience level has lot much wind too much may quite apparent type plane youre flying also can have great effect ability handle winds Lets go through bunch airplane design features see ones give us best flying characteristics handle winds resulting turbulence Size general larger plane everything else being equal better will handle winds kinds just dont flop around much Dihedral dihedral planes wing going affected crosswind gusts hard keep wings reasonably level therefore lineup runway difficult crosswind situation Wing Loading higher wing loading less airplane will affected hit gust Aspect Ratio Lower aspect ratio stubby wings will less bothered gusts less leverage side forces upset plane lower aspect ratio wing has greater tolerance changes angle attack caused gusts Power Pretty obvioushaving power overcome forces provided wind must same goes get Keeping Water out Fuel Each time wander through garage cant help notice Introducing 30 Wingspan Laser Cut Rubber Powered Flying Models 4 Kit #301 Over 80 LASER CUT PARTS Kit #302 Over 70 LASER CUT PARTS Kit #303 Over 75 LASER CUT PARTS good thing just got bigger expanding line airplanes addition new 30 wingspan laser cut kits Like walnut series line geared toward exciting subject matter captures best model aviation has offer Besides offering cleanest laser cuts comprehensive plans free flight kit provide following quality features Hand Selected Balsa Color Peel & Stick Decal Set 9 Plastic Propeller Full Size Plan EAL Tan II Rubber Step Step Instructions Vacuum Molded Parts Light Weight Colored Tissue Call today 1-800-458-2828 Ext 800 ask information packet Dumas line Rubber Powered Flying Models dumas aircraft DUMAS PRODUCTS INC 9O9AMA E 17th St Tucson AZ 85719 Phone 520-623-3742 Fax 520-620-1329 E-MAIL dumas@azstametcom 82 Model Aviation 4that some days fuel jugs Ive stored shelf look theyre ready pop other days look theyre imploding Having stored enough fuel shelf last few months using new gallon couple weeks can attest fact drop fresh worked flawlessly everything sport airplanes helicopters weird-shaped containers garage everything okay Proper sealing youve flown couldnt keep engine running perhaps experienced contaminated fuel Its demise fine aircraft contributor sorts accidents ie thrown propellers hand-inthe-propeller stalled crashed aircraft etc things sound familiar dont worry scanning Internet came across article author unknown provides easy solution keep air water out fuel little water gas will really mess up way Radio Control engine runs problem alcohol fuel hydroscopic will absorb water will greedily absorb water condenses fuel bottle will grab water out humid air Some air gets fuel bottle during normal fueling operations its unavoidable Thats real problem though big problem comes fuel bottle sits garage week between flying sessions leakage bottlecap fueling fittings air will flow out fuel bottle garage bottle heats cools time new air goes does water condition worsens fuel level bottle gets lowmore air less fuel assimilate water involved bottle isnt trying collapse itself cool mornings blow up really warm dont have good seal see droplets water inside bottle above fuel cool mornings youve got problems couple ways solve worrying about making new cap First replace refueling hardware original bottlecaps between flying sessions Second store fuel climatecontrolled area Im lazy prefer leave fueling system set up right field box ready go So better sealing system needed bottle normal refueling system involves drilling bottlecap putting couple fittings provide fuel pickup vent sealing best can problem seems either fueling fittings dont seal right cap itself isnt sealing properly Fuel manufacturers such Morgan put little red plastic wedge before shipping fuel white bottlecap depends sealing right top neck bottle red insert extends sealing action inside neck bottle Ill utilize red inserts make leakproof cap white outer cap used hold red insert will perform sealing functions Ill mount refueling fittings red insert using some rubber silicone seal Squeezing filler rubber used piece computer mousepad silicone tighten fittings get tight seal around fittings neck bottle white bottlecap drilled provide 3/4-inch hole middle hole saw makes quick work Drill red insert rubber use fittings about /I6 apart top need plywood disk just size inside red insert /s inch Lite-Ply works /x inch A/C plywood would better disk must also drilled fittings using rubber sealer youre set Using silicone assemble loosely until silicone sets tighten fittings can obtained hobby shopwhatever conforms fueling method use used red green plastic ones designed go through firewall Just sure solid seal system use short piece fuel tube between two fittings eliminates pump fueling lines system youre business Until next month enjoy smooth air
Edition: Model Aviation - 1998/09
Page Numbers: 81, 82
Edition: Model Aviation - 1998/09
Page Numbers: 81, 82
Gary Shaw U riw LV21 Liii IqiIE d Although IMAA event went well-attended pilots couldnt help notice small number airplanes actually flew After looking around became clear 10- 15-knot crosswind across field grounded advanced pilots Actually given large size models involved cost per airplane safety perspective nice see pilots sit weather out enjoy soda Wind has always posed challenge fly aircraft Whether hobbyist full-scale pilot truly competent aircraft need take skies blustery days although wind can fun feel intimidated slightest breeze perhaps Clay Ramskill can help master another challenging aspect hobby too often otherwise nice windy day folks just ENJOY attending good fun-fly Its opportunity sit backinto sticky situation watch some good flying pick up few tips see some new ral Control Ailerons very beneficial crosswind airplanes meet new friends enjoy afternoon No matterlanding takeoff phases ability dip wing what type event club fun-flys offer wholesome fun ancrosswind changing heading essential ability opportunity individuals families get out enjoy somerudder plane parallel runway heading keeping fresh airwings level aileron landing During recent weekend Florida opportunity ing Gear Tn-gear planes easier land take off attend event put local chapter Internationala crosswind taildraggers wider spread main Miniature Aircraft Association IMAA organization thatgear better represents hobbyists fly really big stuff memory serves uverability ones bit harder quantify want right qualify fly category length wing hasa plane stability yet need good maneuverability to meet exceed 80 inches Its hard find airplanes fromcope gusts So want plane stable yet responsive distance almost appear large enough take human pilot Mounting Generally low-wing plane will handle ridecrosswinds better because CG [center gravity] plane nearer vertical sense aerodynamic center wing So low wing plane easily rolled side gust mounting main landing gear low wing can spread Out wider Its unfortunate almost item above direct opposition characteristics found lot popular trainers main exception being requirement tricycle landing gear trainers differences compare Seniorita Cadet Mk2 Seniorita may bit slower bit easier fly Cadet its ailerons higher wing loading lower aspect ratio lower dihedral far better plane flying windy conditions Going step further same kit manufacturer Cougar 40/Cobra ~60sizekitsembodyalltheright dont fly Obviously beginner thats just common sense.jcharacteristics windy flying someone has some experience wind should Just closing offer Confucius another challenge add some spice theironly known saying about R/C flying flying To learn fly wind must fly its easy see experience level has lot much wind too much may quite apparent type plane youre flying also can have great effect ability handle winds Lets go through bunch airplane design features see ones give us best flying characteristics handle winds resulting turbulence Size general larger plane everything else being equal better will handle winds kinds just dont flop around much Dihedral dihedral planes wing going affected crosswind gusts hard keep wings reasonably level therefore lineup runway difficult crosswind situation Wing Loading higher wing loading less airplane will affected hit gust Aspect Ratio Lower aspect ratio stubby wings will less bothered gusts less leverage side forces upset plane lower aspect ratio wing has greater tolerance changes angle attack caused gusts Power Pretty obvioushaving power overcome forces provided wind must same goes get Keeping Water out Fuel Each time wander through garage cant help notice Introducing 30 Wingspan Laser Cut Rubber Powered Flying Models 4 Kit #301 Over 80 LASER CUT PARTS Kit #302 Over 70 LASER CUT PARTS Kit #303 Over 75 LASER CUT PARTS good thing just got bigger expanding line airplanes addition new 30 wingspan laser cut kits Like walnut series line geared toward exciting subject matter captures best model aviation has offer Besides offering cleanest laser cuts comprehensive plans free flight kit provide following quality features Hand Selected Balsa Color Peel & Stick Decal Set 9 Plastic Propeller Full Size Plan EAL Tan II Rubber Step Step Instructions Vacuum Molded Parts Light Weight Colored Tissue Call today 1-800-458-2828 Ext 800 ask information packet Dumas line Rubber Powered Flying Models dumas aircraft DUMAS PRODUCTS INC 9O9AMA E 17th St Tucson AZ 85719 Phone 520-623-3742 Fax 520-620-1329 E-MAIL dumas@azstametcom 82 Model Aviation 4that some days fuel jugs Ive stored shelf look theyre ready pop other days look theyre imploding Having stored enough fuel shelf last few months using new gallon couple weeks can attest fact drop fresh worked flawlessly everything sport airplanes helicopters weird-shaped containers garage everything okay Proper sealing youve flown couldnt keep engine running perhaps experienced contaminated fuel Its demise fine aircraft contributor sorts accidents ie thrown propellers hand-inthe-propeller stalled crashed aircraft etc things sound familiar dont worry scanning Internet came across article author unknown provides easy solution keep air water out fuel little water gas will really mess up way Radio Control engine runs problem alcohol fuel hydroscopic will absorb water will greedily absorb water condenses fuel bottle will grab water out humid air Some air gets fuel bottle during normal fueling operations its unavoidable Thats real problem though big problem comes fuel bottle sits garage week between flying sessions leakage bottlecap fueling fittings air will flow out fuel bottle garage bottle heats cools time new air goes does water condition worsens fuel level bottle gets lowmore air less fuel assimilate water involved bottle isnt trying collapse itself cool mornings blow up really warm dont have good seal see droplets water inside bottle above fuel cool mornings youve got problems couple ways solve worrying about making new cap First replace refueling hardware original bottlecaps between flying sessions Second store fuel climatecontrolled area Im lazy prefer leave fueling system set up right field box ready go So better sealing system needed bottle normal refueling system involves drilling bottlecap putting couple fittings provide fuel pickup vent sealing best can problem seems either fueling fittings dont seal right cap itself isnt sealing properly Fuel manufacturers such Morgan put little red plastic wedge before shipping fuel white bottlecap depends sealing right top neck bottle red insert extends sealing action inside neck bottle Ill utilize red inserts make leakproof cap white outer cap used hold red insert will perform sealing functions Ill mount refueling fittings red insert using some rubber silicone seal Squeezing filler rubber used piece computer mousepad silicone tighten fittings get tight seal around fittings neck bottle white bottlecap drilled provide 3/4-inch hole middle hole saw makes quick work Drill red insert rubber use fittings about /I6 apart top need plywood disk just size inside red insert /s inch Lite-Ply works /x inch A/C plywood would better disk must also drilled fittings using rubber sealer youre set Using silicone assemble loosely until silicone sets tighten fittings can obtained hobby shopwhatever conforms fueling method use used red green plastic ones designed go through firewall Just sure solid seal system use short piece fuel tube between two fittings eliminates pump fueling lines system youre business Until next month enjoy smooth air
