Free Flight Indoor Local Records Dr John Martin sparkplug indoor activity Miami Fla area found way generate competitive interest activity records publishes local flight records group gets started fliers really good So times can average mediocre long time no really advances much ever publishing high times local records John lets club members know what have heat monthly competitions especially useful local site doesnt fit AMA ceiling categories good fliers have hard time setting national records So call site record local recordthe fliers get special recognition being better other club members spurs further devel opment everyone learns lot Join Miami Fla area Nov 30 Dec 28 1975 Jan 25 Feb 22 Mar 22 1976 sure visit indoor contests Goodyear Hangar Opa Locka Airport Phone 305-858-6363 check hangar availability before leaving home Anyone Charles Adams 244 E Sunset Rd San Antonio Tex 78209 lone some other indoor fliers has made progress finding sites wants others fly him Drop him line inter ested call him 512-826-5835 Bud Tenny E / 1/ // / 7 // /7 / /7 / / / / // 3 / / / A 4 / / A 5 Fig 1 plywood base center block end rib station fastened thread stretched over block rib station sets alignment automatically prop ribs stations come between method will produce precise block~ 6 7 314 a 2O628 910 7/ F FIG 6 314 K 20 628 III II FIG7 0 Another Prop Block Sept 75 column showed carve prop blocks indoor models days soaring balsa prices good block seems cost fortune So build block series photos shows First stiff base plate plywood shown marked locations rib station templates end template center block hold prop spar hook alignment tached first thread stretched between two parallel base Fig Next Fig 2 shows rib stations glued placenote station just touching thread continued page 75 January 1976 41 Fig 4 above remains done before laying Out prop blade locate template leav ing space spar Right Fig 6 last prop blade built normally Fig 2 above shows 11 ribs stations place produce built-up prop block Below Fig 3 Fill spaces carve down blocks have hiahlv accurate master 32 L NOTICE TO BEGINNING R C FIVERSIllI Flying Radio Control Airplane undoubtedly ranks among tops exhilarating experiences hobby Few other hobbies make excited nervous flying first RC Model Flying maximum fun comparatively inexpensive though initial cost seems high avoid heartbreaking disappointment STRONGLY RECOM MEND seek help learning first flights instructor extremely important Just Know can fly alone less person thousand can actually After training period satisfaction sense accomplishment make flying worthwhile challenge adds fun EVERTHING YOU SHOULD KNOW ABOUT RADIO CONTROL FLYING Icily illustrated beginners v5nThrUOO5nOOLDX5O,hock its filled wavy uwlul photographs Its EusyTo-Understand learning systew helps RADIO CONTROL PLYINGyea lied instructor answers questions wight ada hiss Chapters Airplane ection Selection S osta ation Radio Con trols Test Flying Trimming Flying Without Crashes Engine much wore Aenessaries Crash Cauws Preocetion $395 BQIFVG TRAINER \\\\\\\ \ THE CEASHLESS WAY 10 ADVANCE RADI0 COETEOL FLYINO THE CRASHLESS WAY TO ADVANCED RADIO CONTROL FLYING ames facts isformation anoid heart brealsing frustrations bane fun flying must book new learners Tells anoid types crashes Chapters Safe Flying Techniques Crashes Prevention Changes Make Airplane Fly Right Safe Flying Radio-Battery-And Servo Crash Prevention Engine ProblemsStall Crash Producers Glider Flying Aooid ing iust crash will make book worthwhile _____________$495 $2995 BOING TRAINER excellent trainer beginners good fun airplane Sunday Pliers Its almost indestrustable airplane Chine four channel its designed easy repair has radio safety belt protect expensive receiver Preformed Plywood plywood thats thin flexible- bends bat doewt brealcl Reinforced Foam wings waIve trainer hued go tear up can built resemble several dig femot scale models conditional guaruosse thu fawlage wings make lifetime airplane ig tu 25 engines wing Span 4BA Wing Area 400 Fuselage length lying Weight 2S lbs 6d/e 6amAa 1316NMsfl Bowie Texas 76230 ITrnTh i l HOW TO FLY UCONTROL tally illastrated book well known writer desig-ser Dick Mathis hook coovrs thing learning flying stunts Its i 44L m How-To How-Not-To book UCovtrol Chapters World UControl Preflight Checklist First Solo Learning Stuots Easy Way Flying AMA Stunt Pattern Advanced Techxiquvs Far Stunt Combat Engines Accessories charts graphs lauded information Its complete book learner $295 Thu BATTERY MEDIC R C field charger giuw maui mum safety buttery trouble recharges airplane battery betwen flights refilline fuel tank kneps voltage constant flight BATTERY MEDIC ores regular B volt lantern buttery charge quidvlp drops off quickly penoent dangerous over charge Complete instructions tall thing including field charge loud test home time test recognize buttery problems f flight safety $1495 C FIELD CI-iARQER J R Sales believe too hobb jest lost thru terribly expensive heartbreaking Crashes thats feature Crash prevention products TO ORDER See Dealer First Cannot supply order direct Add $100 postage handling US $150 Canada FF Indoor/Tenny continued page 41 thread alto marks location spar during prop construction point propeller can built fixture pinning outline directly rib station templates Careful handling jig prop Out line necessary since largely unsupported type prop block invaluable experi menting pitch distribution since individual rib stations can replaced change blade angle part blade Finish up already know what pitch models need may desirable finish out surface resemble carved block Fig 3 shows balsa blocks inserted between rib stations Fig 4 shows surface carved shape prop blade template place Fig 5 shows completed prop blade form Which better correspondent prefers prop fixtures type shown Fig 2 cause easy change pitch distribution changing rib station angles However fix ture relatively fragile requires careful storage filled-in block requires less care handling during prop construction much easier use prop repair Both types cheaper better experimentation non-helical pitch blocks almost impossible carve Built-up block design previous discus sion about carved blocks formula given designing block Pitch built-up fixture cn designed using graphical solution derives angle rib station Fig 6 shows howline AB represents circumference circle traced tip prop blade line BC represents design pitch Both lines drawn scale after computing circumference length line AB example shown 20 diam eter 32 pitch prop line AB 314 X 20 628n long line BC then32 long sketch Fig 6 could drawn 1/10 size size would accurate Fig 7 shows intermediate rib stations derived line drawn some angle line AB marked inches After triangle closed lines parallel end triangle mark off rib stations line AB Make Rib Station Templates After basic rectangle ABCD drawn scale complete design drawing diagonal lines shown Fig 6 Rib stations can cut match angles developed graph careful make angle very accuratelythis difficult type cut make wood Alterna tively rib stations can assembled /5 X a strip form shown Fig 8 Simply build directly over graph mount base plate Different pitch distribution Line CD Fig 6 represents helical pitch such achieved carving block Curved line EF represents experimental pitch distribution used some indoor fliers Simply use dashed lines make rib stations same manner before address Box 545 Richardson Tex 75080 January 1976 75 ods.aLyttef tat el Aviation GREAT SPORT/ HOBBY WITH THIS 3s 15 HEAVY VINYL BUMPER STICKER IN RED WHITE AND BLUE proud Sport/Hobby AMA Salute Nations 200th Birthday Send $1 self addressed stamped envelope Public Relations Academy Model Aeronautics 806 FIfteenth Street NW Washington D C 20005
Edition: Model Aviation - 1976/01
Page Numbers: 41, 75
Free Flight Indoor Local Records Dr John Martin sparkplug indoor activity Miami Fla area found way generate competitive interest activity records publishes local flight records group gets started fliers really good So times can average mediocre long time no really advances much ever publishing high times local records John lets club members know what have heat monthly competitions especially useful local site doesnt fit AMA ceiling categories good fliers have hard time setting national records So call site record local recordthe fliers get special recognition being better other club members spurs further devel opment everyone learns lot Join Miami Fla area Nov 30 Dec 28 1975 Jan 25 Feb 22 Mar 22 1976 sure visit indoor contests Goodyear Hangar Opa Locka Airport Phone 305-858-6363 check hangar availability before leaving home Anyone Charles Adams 244 E Sunset Rd San Antonio Tex 78209 lone some other indoor fliers has made progress finding sites wants others fly him Drop him line inter ested call him 512-826-5835 Bud Tenny E / 1/ // / 7 // /7 / /7 / / / / // 3 / / / A 4 / / A 5 Fig 1 plywood base center block end rib station fastened thread stretched over block rib station sets alignment automatically prop ribs stations come between method will produce precise block~ 6 7 314 a 2O628 910 7/ F FIG 6 314 K 20 628 III II FIG7 0 Another Prop Block Sept 75 column showed carve prop blocks indoor models days soaring balsa prices good block seems cost fortune So build block series photos shows First stiff base plate plywood shown marked locations rib station templates end template center block hold prop spar hook alignment tached first thread stretched between two parallel base Fig Next Fig 2 shows rib stations glued placenote station just touching thread continued page 75 January 1976 41 Fig 4 above remains done before laying Out prop blade locate template leav ing space spar Right Fig 6 last prop blade built normally Fig 2 above shows 11 ribs stations place produce built-up prop block Below Fig 3 Fill spaces carve down blocks have hiahlv accurate master 32 L NOTICE TO BEGINNING R C FIVERSIllI Flying Radio Control Airplane undoubtedly ranks among tops exhilarating experiences hobby Few other hobbies make excited nervous flying first RC Model Flying maximum fun comparatively inexpensive though initial cost seems high avoid heartbreaking disappointment STRONGLY RECOM MEND seek help learning first flights instructor extremely important Just Know can fly alone less person thousand can actually After training period satisfaction sense accomplishment make flying worthwhile challenge adds fun EVERTHING YOU SHOULD KNOW ABOUT RADIO CONTROL FLYING Icily illustrated beginners v5nThrUOO5nOOLDX5O,hock its filled wavy uwlul photographs Its EusyTo-Understand learning systew helps RADIO CONTROL PLYINGyea lied instructor answers questions wight ada hiss Chapters Airplane ection Selection S osta ation Radio Con trols Test Flying Trimming Flying Without Crashes Engine much wore Aenessaries Crash Cauws Preocetion $395 BQIFVG TRAINER \\\\\\\ \ THE CEASHLESS WAY 10 ADVANCE RADI0 COETEOL FLYINO THE CRASHLESS WAY TO ADVANCED RADIO CONTROL FLYING ames facts isformation anoid heart brealsing frustrations bane fun flying must book new learners Tells anoid types crashes Chapters Safe Flying Techniques Crashes Prevention Changes Make Airplane Fly Right Safe Flying Radio-Battery-And Servo Crash Prevention Engine ProblemsStall Crash Producers Glider Flying Aooid ing iust crash will make book worthwhile _____________$495 $2995 BOING TRAINER excellent trainer beginners good fun airplane Sunday Pliers Its almost indestrustable airplane Chine four channel its designed easy repair has radio safety belt protect expensive receiver Preformed Plywood plywood thats thin flexible- bends bat doewt brealcl Reinforced Foam wings waIve trainer hued go tear up can built resemble several dig femot scale models conditional guaruosse thu fawlage wings make lifetime airplane ig tu 25 engines wing Span 4BA Wing Area 400 Fuselage length lying Weight 2S lbs 6d/e 6amAa 1316NMsfl Bowie Texas 76230 ITrnTh i l HOW TO FLY UCONTROL tally illastrated book well known writer desig-ser Dick Mathis hook coovrs thing learning flying stunts Its i 44L m How-To How-Not-To book UCovtrol Chapters World UControl Preflight Checklist First Solo Learning Stuots Easy Way Flying AMA Stunt Pattern Advanced Techxiquvs Far Stunt Combat Engines Accessories charts graphs lauded information Its complete book learner $295 Thu BATTERY MEDIC R C field charger giuw maui mum safety buttery trouble recharges airplane battery betwen flights refilline fuel tank kneps voltage constant flight BATTERY MEDIC ores regular B volt lantern buttery charge quidvlp drops off quickly penoent dangerous over charge Complete instructions tall thing including field charge loud test home time test recognize buttery problems f flight safety $1495 C FIELD CI-iARQER J R Sales believe too hobb jest lost thru terribly expensive heartbreaking Crashes thats feature Crash prevention products TO ORDER See Dealer First Cannot supply order direct Add $100 postage handling US $150 Canada FF Indoor/Tenny continued page 41 thread alto marks location spar during prop construction point propeller can built fixture pinning outline directly rib station templates Careful handling jig prop Out line necessary since largely unsupported type prop block invaluable experi menting pitch distribution since individual rib stations can replaced change blade angle part blade Finish up already know what pitch models need may desirable finish out surface resemble carved block Fig 3 shows balsa blocks inserted between rib stations Fig 4 shows surface carved shape prop blade template place Fig 5 shows completed prop blade form Which better correspondent prefers prop fixtures type shown Fig 2 cause easy change pitch distribution changing rib station angles However fix ture relatively fragile requires careful storage filled-in block requires less care handling during prop construction much easier use prop repair Both types cheaper better experimentation non-helical pitch blocks almost impossible carve Built-up block design previous discus sion about carved blocks formula given designing block Pitch built-up fixture cn designed using graphical solution derives angle rib station Fig 6 shows howline AB represents circumference circle traced tip prop blade line BC represents design pitch Both lines drawn scale after computing circumference length line AB example shown 20 diam eter 32 pitch prop line AB 314 X 20 628n long line BC then32 long sketch Fig 6 could drawn 1/10 size size would accurate Fig 7 shows intermediate rib stations derived line drawn some angle line AB marked inches After triangle closed lines parallel end triangle mark off rib stations line AB Make Rib Station Templates After basic rectangle ABCD drawn scale complete design drawing diagonal lines shown Fig 6 Rib stations can cut match angles developed graph careful make angle very accuratelythis difficult type cut make wood Alterna tively rib stations can assembled /5 X a strip form shown Fig 8 Simply build directly over graph mount base plate Different pitch distribution Line CD Fig 6 represents helical pitch such achieved carving block Curved line EF represents experimental pitch distribution used some indoor fliers Simply use dashed lines make rib stations same manner before address Box 545 Richardson Tex 75080 January 1976 75 ods.aLyttef tat el Aviation GREAT SPORT/ HOBBY WITH THIS 3s 15 HEAVY VINYL BUMPER STICKER IN RED WHITE AND BLUE proud Sport/Hobby AMA Salute Nations 200th Birthday Send $1 self addressed stamped envelope Public Relations Academy Model Aeronautics 806 FIfteenth Street NW Washington D C 20005