Control S Inc Aerobatics Wynn Paul BY THIS TIME year should have new plane air trimming contest seasonand maybe Nationals Lets look some things might help flying trimming assuming plane flies level level flight doesnt have obvious wing warp flap warp Probably easiest part change least understood propeller increase diameter prop should help turning ability increase pitch should speed up airplane what think need would switch regular blade W EW should get line tension although plane might speed up considerably round maneuvers go 12-in diameter down 11-in prop might help smooth out turning little can also run engine little faster smaller diameter could help fuel economy youre running short Some people can really get prop carving writer found out watching Les McDonald Bill Werwage 1980 FAI trip However keep mind properly balanced prop first requirement good performance Some things to wood prop sanding leading edges better vertical power slows down model tight turn rounding blade tips will soften corners plane doesnt jump around quite much sanding airfoil back blade should give line tension will also speed up maneuvers rounding off leading edges pro duces drag engine can help get break two-cycle sooner Try prop carving tricks courtesy World Champion Les McDonald remember balance prop after using sandpaper Bill Werwage employed some tricks attempt help writer 1980 World Champs Dont overlook possibilities changing props perfonnance changes nothing else props usually plentiful can spend full day two just experimenting Dont reluctant try several different setups plane changing propellers next easiest conponent adjust flying lines handle can accomplish lot varying length lines make lines longer can slow down airplane give room maneuver However also tends soften corners smooth out square manuevers engine has power keep line tension could aid upping rpm engine no appreciable increase airplane speed Shorten ing line length gives control also speeds up airplane course point diminishing returns going either way dont forget pull-test lines yourself after working dont lose airplane before get contest pull-test scales Also dont forget varying handle line spacing can significantly alter performance Wider spacing lines handle will make airplane turn quicker responsive Narrower spacing will tend soften out corners make plane turn slower Since E-Z Just handle no lot Precision Aerobatics fliers will making own handles future Remember small E-Z Just handle line spacing 315/16 Martine Baron type handle could go 2 3 attempt make own handle certain use stainless steel cable connect flying lines itmaybe can pirate some cable another handle Try design handle can vary line spacing next two easiest items adjust plane nose weight wing tip weight assuming made some provision during construction Aha say What about adjustable leadouts Well yes very easy move Ill bet less tried leadout position would think Surely making leadouts individually adjust able good idea can use part help line tension dont overestimate benefits adjusting leadout position Adding tip weight will help line tension will help top part Vertical Eight top Hourglass figure Overhead Eights As people try equal panels wing design will find need quite bit tip weight talking about lot weightlike maybe two ounces Add tip weight until wing hinges downward first corner Inside Square until right wing touches ground plane pits back off about should have right combination However dont afraid keep withdrawing weight until start get squirrelly tops figures Remember some great fliers like plane feather touch handlethat very little line tension hand plane does stay out lines critical parts 54 Model Aviation Bob Gialdinis 1963 Nats-winning Sting Ray leaders jet-look early 60s Note nose gear wheel pant photo also Claire Sieverling Continued page 126 iiutn Ieverling hubby Claires Phoenician placed 5th 1960 Nats Power Fox 35 what else note widely spaced leadouts Photo Claire Sieverling iapnsiu anne Nats Ills plane appears Dick Williams design Note 3-bladed prop Plc Claire Sieverling Spirit St Louis love sky. 314I Seal ~I~. foe 020 nina . Pal. I/C 34-8/0 WIngopon lay Afrosaft enially *5. Deal.. rlbvtr# Wiakoniod Telephgerm fBl 52h38 Seed SOS far oar Flylirre Catalog Flyline Models Inc *8*0 Do, Av. 13-1 1 Pairiax Virginia 22031 decals Give Mossie try Woflrt sorry youre ever Indianapolis look us up Sheeksr Hobby Shop stop may have some thing else spread out can join us kibitzing session CL Aerobatics/Paul Continued page 54 favorite cure-all everything over sensitive planes stress cracks fuselage adding nose weight friends prone tell However nose weight can desensitize tail-heavy plane can help grooving plane can help make round figures smooth out instead appearing jerky Now have enough variables give least 50 flights nothing will teach lot about airplane get know some its characteristics Besides 50 flights good number practice flights probably half competitors Nationals have under belts last month before meet havent cut plane yet adjust flap horns flaps Neither have changed tank yet nor shimmed engine up front back help turning way another nor have changed engine offset youre still having line tension problems really helps have flying buddy experimenting trimming observing airplane judges position underneath maneuvers taking place flying buddy can give valuable information what plane seems doing Also dont mind someone else flying plane try letting buddy fly see what feels like him what looks like different perspective could valuable tool helping evaluate difficulties lie plane information Stunt orPAMPA contact Wynn Paul J640MaywickDr Lexington KY 40504 CL Carrier/Perry Continued page 56 vide current information Competition Newsletter section MA major advantage ofNCS membership however common voice have relationship CLCB Navy Carrier Rules Advi sory Committee Membership $600 12 months can join contacting LeRoy Cordes 1412 West Hood Avenue Chicago IL 60660 Its well worth price Fuel tanks revisited Ive couple questions regarding fuel tank drawing April MA central theme letters seems doesnt fuel run out entire vent tube below level fuel tank would appear problem isnt two openings tank fuel cannot flow out either line unless air flows tank through other line As long inside end vent tube above fuel pickup point below carburetor will no leakage either through vent line through carb tank mounted behind engine conventional gear model conditions met Note uniflow tank will tend pass fuel through vent line engine primed choking because intake timing can cause air pumped tank through fuel line Make easy yourself often have found need change fuel tank because leak because changed throttle systems perhaps throttle linkage control mech anism needed modified built models like us myself included either live what cut open airplane make changes months models well being interesting prototypes show some handy solutions problem Brian Silversmith used hatch bottom Fine Quality Flying Models 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books Catalog $150 * MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 126 Model Aviation q Possibly historically recognized aircraft world presented Flylise as occarate flying replica Charles Liod bergs f927 NY Paris wisser appealing krt inctades Witirams Bros cytioders decals & floe qoatity materials CORRECTION phone num ber HORN ER SALES incor rectly listed June issue ad correct number 312 946-2515
Edition: Model Aviation - 1981/08
Page Numbers: 54, 126
Control S Inc Aerobatics Wynn Paul BY THIS TIME year should have new plane air trimming contest seasonand maybe Nationals Lets look some things might help flying trimming assuming plane flies level level flight doesnt have obvious wing warp flap warp Probably easiest part change least understood propeller increase diameter prop should help turning ability increase pitch should speed up airplane what think need would switch regular blade W EW should get line tension although plane might speed up considerably round maneuvers go 12-in diameter down 11-in prop might help smooth out turning little can also run engine little faster smaller diameter could help fuel economy youre running short Some people can really get prop carving writer found out watching Les McDonald Bill Werwage 1980 FAI trip However keep mind properly balanced prop first requirement good performance Some things to wood prop sanding leading edges better vertical power slows down model tight turn rounding blade tips will soften corners plane doesnt jump around quite much sanding airfoil back blade should give line tension will also speed up maneuvers rounding off leading edges pro duces drag engine can help get break two-cycle sooner Try prop carving tricks courtesy World Champion Les McDonald remember balance prop after using sandpaper Bill Werwage employed some tricks attempt help writer 1980 World Champs Dont overlook possibilities changing props perfonnance changes nothing else props usually plentiful can spend full day two just experimenting Dont reluctant try several different setups plane changing propellers next easiest conponent adjust flying lines handle can accomplish lot varying length lines make lines longer can slow down airplane give room maneuver However also tends soften corners smooth out square manuevers engine has power keep line tension could aid upping rpm engine no appreciable increase airplane speed Shorten ing line length gives control also speeds up airplane course point diminishing returns going either way dont forget pull-test lines yourself after working dont lose airplane before get contest pull-test scales Also dont forget varying handle line spacing can significantly alter performance Wider spacing lines handle will make airplane turn quicker responsive Narrower spacing will tend soften out corners make plane turn slower Since E-Z Just handle no lot Precision Aerobatics fliers will making own handles future Remember small E-Z Just handle line spacing 315/16 Martine Baron type handle could go 2 3 attempt make own handle certain use stainless steel cable connect flying lines itmaybe can pirate some cable another handle Try design handle can vary line spacing next two easiest items adjust plane nose weight wing tip weight assuming made some provision during construction Aha say What about adjustable leadouts Well yes very easy move Ill bet less tried leadout position would think Surely making leadouts individually adjust able good idea can use part help line tension dont overestimate benefits adjusting leadout position Adding tip weight will help line tension will help top part Vertical Eight top Hourglass figure Overhead Eights As people try equal panels wing design will find need quite bit tip weight talking about lot weightlike maybe two ounces Add tip weight until wing hinges downward first corner Inside Square until right wing touches ground plane pits back off about should have right combination However dont afraid keep withdrawing weight until start get squirrelly tops figures Remember some great fliers like plane feather touch handlethat very little line tension hand plane does stay out lines critical parts 54 Model Aviation Bob Gialdinis 1963 Nats-winning Sting Ray leaders jet-look early 60s Note nose gear wheel pant photo also Claire Sieverling Continued page 126 iiutn Ieverling hubby Claires Phoenician placed 5th 1960 Nats Power Fox 35 what else note widely spaced leadouts Photo Claire Sieverling iapnsiu anne Nats Ills plane appears Dick Williams design Note 3-bladed prop Plc Claire Sieverling Spirit St Louis love sky. 314I Seal ~I~. foe 020 nina . Pal. I/C 34-8/0 WIngopon lay Afrosaft enially *5. Deal.. rlbvtr# Wiakoniod Telephgerm fBl 52h38 Seed SOS far oar Flylirre Catalog Flyline Models Inc *8*0 Do, Av. 13-1 1 Pairiax Virginia 22031 decals Give Mossie try Woflrt sorry youre ever Indianapolis look us up Sheeksr Hobby Shop stop may have some thing else spread out can join us kibitzing session CL Aerobatics/Paul Continued page 54 favorite cure-all everything over sensitive planes stress cracks fuselage adding nose weight friends prone tell However nose weight can desensitize tail-heavy plane can help grooving plane can help make round figures smooth out instead appearing jerky Now have enough variables give least 50 flights nothing will teach lot about airplane get know some its characteristics Besides 50 flights good number practice flights probably half competitors Nationals have under belts last month before meet havent cut plane yet adjust flap horns flaps Neither have changed tank yet nor shimmed engine up front back help turning way another nor have changed engine offset youre still having line tension problems really helps have flying buddy experimenting trimming observing airplane judges position underneath maneuvers taking place flying buddy can give valuable information what plane seems doing Also dont mind someone else flying plane try letting buddy fly see what feels like him what looks like different perspective could valuable tool helping evaluate difficulties lie plane information Stunt orPAMPA contact Wynn Paul J640MaywickDr Lexington KY 40504 CL Carrier/Perry Continued page 56 vide current information Competition Newsletter section MA major advantage ofNCS membership however common voice have relationship CLCB Navy Carrier Rules Advi sory Committee Membership $600 12 months can join contacting LeRoy Cordes 1412 West Hood Avenue Chicago IL 60660 Its well worth price Fuel tanks revisited Ive couple questions regarding fuel tank drawing April MA central theme letters seems doesnt fuel run out entire vent tube below level fuel tank would appear problem isnt two openings tank fuel cannot flow out either line unless air flows tank through other line As long inside end vent tube above fuel pickup point below carburetor will no leakage either through vent line through carb tank mounted behind engine conventional gear model conditions met Note uniflow tank will tend pass fuel through vent line engine primed choking because intake timing can cause air pumped tank through fuel line Make easy yourself often have found need change fuel tank because leak because changed throttle systems perhaps throttle linkage control mech anism needed modified built models like us myself included either live what cut open airplane make changes months models well being interesting prototypes show some handy solutions problem Brian Silversmith used hatch bottom Fine Quality Flying Models 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books Catalog $150 * MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 126 Model Aviation q Possibly historically recognized aircraft world presented Flylise as occarate flying replica Charles Liod bergs f927 NY Paris wisser appealing krt inctades Witirams Bros cytioders decals & floe qoatity materials CORRECTION phone num ber HORN ER SALES incor rectly listed June issue ad correct number 312 946-2515