Radio Control Spori-Aerobatics THIS COLUMN potpourri var ous items about activi ties flying site RC clubs usually similar far general operation con cerned course exceptions due differences flying sites inter ests club members size club what applies club flying site usually applies reading through RC-oriented news letters item comes up very often list flying site rules Usually discussions involve making changing enforcing list rules amazing long takes strong arguments get flying site rules discussed seems flying site rules prepared extensions golden rule wed have no difficulty preparing workable set rules Since Ive fly ing RC sites around country over 20 years have seen sets rules operation let propose set flying site rules consider starting point own field rules 1 All aircraft operation should pit area 2 All pilots actually flying should stand designated area 3 Engine starts permitted pit area prolonged engine running must conducted test area 4 All pilots will comply method frequency control 5 All take-offs landings will same direction 6 The first turn after take-off will direction away pit specta tor area 7 No flying permitted over pit spectator area 8 Deadstick landings have priority must announced other fliers 9 Deliberately unsafe flying per mitted reasons various rules follows rule rule 1 If fliers know other air planes less likely run emergency 2 Again flier knows other fliers less likely run too 3 We tolerate engine noise theres no reason put up someone running-in engine pit area 4 Obvious 5 There less chance collisions aircraft moving same direction near ground 6 7 airplanes kept away pit spectator areas out-ofRon Van Putte Right LeMans competitor USAF Col Shad Dvorchak heads trusty Ugly Stick Holder Carl Gillham pretty cool Below Heart simple effective frequency control system ordinary clothespin looks someone upon 72240 MHz control aircraft less likely crash 8 9 Obvious types frequency control used around country have effectiveness simplicityofthefrequency clothes pins Its very easy understand enforce rule starts must have appropriate frequency pin possession order turn transmitter Some clubs make clothes pins elaborate attaching appropriately colored flags both rigid flexible rib bons ordinary clothes pins frequencies labeled very effective pins usually displayed flying site fliers can easily see particular frequency pin missing disadvantage clothes pin frequency control technique some fliers will inadvertently take home causing search through membership until missing pin found returned However minor disadvantage heavily outweighed effectiveness system So dont have method frequency control give clothes pins try Another topic shows up RC oriented club newsletters grading pilots according proficiency very ticklish subject because nobody wants told flying inferior another flier However often mandatory some clubs identify poor flier attempt avoid losing flying site because crashes neigh bors property violations rules against overflights particular forbidden area Occasionally clubs use grading sys tem establish pecking order have little sympathy Others use system honor local experts identify potential instructors beginners incidentally assistance give beginners marks hobby aeromodeling different other hobbies Time time again beginners express surprise delight finding advice assistance building flying model airplanes easy obtain Apparently other hobbies receptive beginners credit hobby often neces sary its survival properly re ceive train beginners facet beginner training has worked well clubs post list people willing instructors list can posted local hobby shops flying site Some clubs take pictures potential instructors post along names telephone numbers hobby shops out flying site way beginner can confident person ask ing assistance both willing com petent help him not-so-nice side coin problems modelers cause ourselves various sources Ive heard about continued page 102 June1976 15 U Slalom taxi great club funfly event USAF Mal Ed Moorman shows done much modified Kaos Bet never thought taxiing would ever become such fine art RC Sport/Van Putte continued page 15 difficulties flying site neighbors fellow RC fliers other aero modelers Most flying sites have neighbors close enough bothered some things Certain problems can nothing about can alleviate some potential clashes neighbors Mufflers work relatively small expense performance degrada tion incurred using mufflers certainly offset face flying site loss due excessive noise Invasions neighbors property have caused problems clubs Airplanes crash reasons beyond control certainly dont have go tramping through neighbors bean field retrieve airplane permission airspace above neighbors property belongs him too several flying sites have shut down due repeated viola tions airspace above irate neigh bors property lighter side have ever con sidered having Club Records Day sorts possibilities records involving RC airplanes Most involve speed duration events can tailored fit wide spectrum aircraft types Let suggest few events consideration Im sure can come up 1 Maximum Speed Two passes opposite directions made through speed trap average speed deter mined adding two elapsed times dividing twice distance pass Break down competition engine classes 2 Endurance easy need watch patient timer way once flew Phoenix V powered OS 60 Goldhead starting 12 ounces fuel 38 minutes 4 seconds take-off touch-down 3 Handicapped Endurance air plane gets 6 ounces fuel per cubic inch engine displacement 60 gets 36 ounces 40 gets 24 ounces pre pared some long times too Supertigre ST 60-powered Bar Fli once flew over 19 minutes 36 ounces fuel Once club has tried Records Day will make annual event club didits ball contest season about start earnest great contests hear about year getting ready make 1976 debut dont try few size hope see contest year Look up Ill under yellow green dining fly Eglin flag top address 12 Connie Drive Shahmar FL 32579 FF Sport/Kuenz continued page 39 ALW1JIJM 11JE FiLEt IN TIJ5 Sporty looking pseudo scale Navy Flier Sherman Gillespie rubber-powered free wheeling prop Span 26 Pic Jack Stewart get comments three-bladed prop used Grumman Wildcat built Earl Stahl plans prop same used Pres Bruning illustrator Shown sketch #1 its made two Skeeter props following manner Cut props half bevel cut edges hub approximately 120 degrees Lightly score hub area blades promote adhesion epoxy Now flat surfaceI use ceiling tile draw three lines 120 degrees apart point Push pin point perpendic ular surface Smear some oil Flying Near Airports Careful Free Flight Radio Control flying near airports situation might involve possibility models being vicinity full-scale aircraft operations must avoidedor conducted eliminate dangerous situations Models should flown proximity full-scale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities B-i/Myers continued page 37 same time working progressively tip root Cover hatch cover before cover fuselage because some trimming always needed airplane easier trim working over complex shape like nose tail and/or wing intersections firmly attach Solarfilm large flat surfaces first provide anchorage film heat film iron hot air gun preferred pulling film practice can cover tennis ball piece film Take advantage fact film will stretch well will shrink Flying Balanced properly built true plane flies well Set smooth surface facing wind hold about back stick let run Dont hurry things can get trouble As plane climbs out relax little stick get very scale-like flight Trim level flight bank turn back flaperons ailerons set move least 150 up down roll rate will slow scale-like Pull up loop youll find turning tighter expected slowing down signi ficantly whenever nose held high due nearly-delta planform wing center section drag nacelles landing gear Take off youve got whole new airplane Theres just no way describe eerie feeling get plane flies over head command Its very realistic yet easily controllable engine quits its pretty good glider long keep nose down maintain flying speed yet slows down walk landing Ive cartwheeled couple times damage has wing tips props heat gun will pop out dents wingtips Enjoy 102 Model Aviation SKETCH #1
Edition: Model Aviation - 1976/06
Page Numbers: 15, 102
Radio Control Spori-Aerobatics THIS COLUMN potpourri var ous items about activi ties flying site RC clubs usually similar far general operation con cerned course exceptions due differences flying sites inter ests club members size club what applies club flying site usually applies reading through RC-oriented news letters item comes up very often list flying site rules Usually discussions involve making changing enforcing list rules amazing long takes strong arguments get flying site rules discussed seems flying site rules prepared extensions golden rule wed have no difficulty preparing workable set rules Since Ive fly ing RC sites around country over 20 years have seen sets rules operation let propose set flying site rules consider starting point own field rules 1 All aircraft operation should pit area 2 All pilots actually flying should stand designated area 3 Engine starts permitted pit area prolonged engine running must conducted test area 4 All pilots will comply method frequency control 5 All take-offs landings will same direction 6 The first turn after take-off will direction away pit specta tor area 7 No flying permitted over pit spectator area 8 Deadstick landings have priority must announced other fliers 9 Deliberately unsafe flying per mitted reasons various rules follows rule rule 1 If fliers know other air planes less likely run emergency 2 Again flier knows other fliers less likely run too 3 We tolerate engine noise theres no reason put up someone running-in engine pit area 4 Obvious 5 There less chance collisions aircraft moving same direction near ground 6 7 airplanes kept away pit spectator areas out-ofRon Van Putte Right LeMans competitor USAF Col Shad Dvorchak heads trusty Ugly Stick Holder Carl Gillham pretty cool Below Heart simple effective frequency control system ordinary clothespin looks someone upon 72240 MHz control aircraft less likely crash 8 9 Obvious types frequency control used around country have effectiveness simplicityofthefrequency clothes pins Its very easy understand enforce rule starts must have appropriate frequency pin possession order turn transmitter Some clubs make clothes pins elaborate attaching appropriately colored flags both rigid flexible rib bons ordinary clothes pins frequencies labeled very effective pins usually displayed flying site fliers can easily see particular frequency pin missing disadvantage clothes pin frequency control technique some fliers will inadvertently take home causing search through membership until missing pin found returned However minor disadvantage heavily outweighed effectiveness system So dont have method frequency control give clothes pins try Another topic shows up RC oriented club newsletters grading pilots according proficiency very ticklish subject because nobody wants told flying inferior another flier However often mandatory some clubs identify poor flier attempt avoid losing flying site because crashes neigh bors property violations rules against overflights particular forbidden area Occasionally clubs use grading sys tem establish pecking order have little sympathy Others use system honor local experts identify potential instructors beginners incidentally assistance give beginners marks hobby aeromodeling different other hobbies Time time again beginners express surprise delight finding advice assistance building flying model airplanes easy obtain Apparently other hobbies receptive beginners credit hobby often neces sary its survival properly re ceive train beginners facet beginner training has worked well clubs post list people willing instructors list can posted local hobby shops flying site Some clubs take pictures potential instructors post along names telephone numbers hobby shops out flying site way beginner can confident person ask ing assistance both willing com petent help him not-so-nice side coin problems modelers cause ourselves various sources Ive heard about continued page 102 June1976 15 U Slalom taxi great club funfly event USAF Mal Ed Moorman shows done much modified Kaos Bet never thought taxiing would ever become such fine art RC Sport/Van Putte continued page 15 difficulties flying site neighbors fellow RC fliers other aero modelers Most flying sites have neighbors close enough bothered some things Certain problems can nothing about can alleviate some potential clashes neighbors Mufflers work relatively small expense performance degrada tion incurred using mufflers certainly offset face flying site loss due excessive noise Invasions neighbors property have caused problems clubs Airplanes crash reasons beyond control certainly dont have go tramping through neighbors bean field retrieve airplane permission airspace above neighbors property belongs him too several flying sites have shut down due repeated viola tions airspace above irate neigh bors property lighter side have ever con sidered having Club Records Day sorts possibilities records involving RC airplanes Most involve speed duration events can tailored fit wide spectrum aircraft types Let suggest few events consideration Im sure can come up 1 Maximum Speed Two passes opposite directions made through speed trap average speed deter mined adding two elapsed times dividing twice distance pass Break down competition engine classes 2 Endurance easy need watch patient timer way once flew Phoenix V powered OS 60 Goldhead starting 12 ounces fuel 38 minutes 4 seconds take-off touch-down 3 Handicapped Endurance air plane gets 6 ounces fuel per cubic inch engine displacement 60 gets 36 ounces 40 gets 24 ounces pre pared some long times too Supertigre ST 60-powered Bar Fli once flew over 19 minutes 36 ounces fuel Once club has tried Records Day will make annual event club didits ball contest season about start earnest great contests hear about year getting ready make 1976 debut dont try few size hope see contest year Look up Ill under yellow green dining fly Eglin flag top address 12 Connie Drive Shahmar FL 32579 FF Sport/Kuenz continued page 39 ALW1JIJM 11JE FiLEt IN TIJ5 Sporty looking pseudo scale Navy Flier Sherman Gillespie rubber-powered free wheeling prop Span 26 Pic Jack Stewart get comments three-bladed prop used Grumman Wildcat built Earl Stahl plans prop same used Pres Bruning illustrator Shown sketch #1 its made two Skeeter props following manner Cut props half bevel cut edges hub approximately 120 degrees Lightly score hub area blades promote adhesion epoxy Now flat surfaceI use ceiling tile draw three lines 120 degrees apart point Push pin point perpendic ular surface Smear some oil Flying Near Airports Careful Free Flight Radio Control flying near airports situation might involve possibility models being vicinity full-scale aircraft operations must avoidedor conducted eliminate dangerous situations Models should flown proximity full-scale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities B-i/Myers continued page 37 same time working progressively tip root Cover hatch cover before cover fuselage because some trimming always needed airplane easier trim working over complex shape like nose tail and/or wing intersections firmly attach Solarfilm large flat surfaces first provide anchorage film heat film iron hot air gun preferred pulling film practice can cover tennis ball piece film Take advantage fact film will stretch well will shrink Flying Balanced properly built true plane flies well Set smooth surface facing wind hold about back stick let run Dont hurry things can get trouble As plane climbs out relax little stick get very scale-like flight Trim level flight bank turn back flaperons ailerons set move least 150 up down roll rate will slow scale-like Pull up loop youll find turning tighter expected slowing down signi ficantly whenever nose held high due nearly-delta planform wing center section drag nacelles landing gear Take off youve got whole new airplane Theres just no way describe eerie feeling get plane flies over head command Its very realistic yet easily controllable engine quits its pretty good glider long keep nose down maintain flying speed yet slows down walk landing Ive cartwheeled couple times damage has wing tips props heat gun will pop out dents wingtips Enjoy 102 Model Aviation SKETCH #1