Free Flight Indoor BudTenny RULES PROPOSALS halfway through anew rules-making cycle noticed Indoor rules proposals will considered during cycle published December 1986 issue MA Competition News letter hope contacted District Indoor CR member told him feelings about proposals before deadline December 1 1986 mailing Initial Vote ballot Otherwise vote guidance case proposal favored eliminated Initial Vote results dont complain After Initial Vote results published please try better helping ICB decide surviving rules should adopted Prop wrap up some time Ive dealing props make repair use etc simple type prop blade con struction has overlooked soak balsa prop blade blanks water bend over cylindrical form dry shown photos Dave Linstrum made blades simultaneously West Baden contest helping some beginners get Novice Pennyplane models built Obviously shortcut prop building What see what Cezar Banks recommends plans Novice Pennyplane form blades gallon glass jug blanks 170 angle centerline jug step forms near-helical twist blade along camber formed curve jug left make spar shaft assembly glue blades place information about prop technique see Form Bent Propellers Max Chernoff appears Frank Zaics 1964-65 Model Aero nautic Year Book beginning page 198 Also 6th NFFS Symposium report has Can Formed Prop Blades update subject Bob Meuser page 28 Indoor sites often someone makes survey active sites Maybe about time another survey since available sites form backbone model flying activity has some time since Ive seen such data dont furnish details site club using will happy correlate report data will furnish will reading appeal middle Indoor season time Indoor flying goes because too cold fly outdoor FF have opportunities fly means someone arranged flying site sure thank information need following floor area ceiling height ceiling condition smooth ceiling beams hanglng lights etc flying condi tions drafty good night easy hangup etc location person contact available some particular schedule would helpful have some idea best flight times posted site various events also Send data address listed end column Hints kinks nicest things about Indoor fliers generous sharing better ideas building flying models fact sharing ideas reason hobby contin ues flourish have worked out neat solution modeling problem share such idea has appeared past important enough repeat Since rubber motors dont wear out deteriorate through mechanical chemical damage need stored safely between uses Stan Chilton used use paper envelopes motor storage wrote performance history envelope motor couple years ago noticed motors stored some time changed drastically performances After considerable research discovered minute sulfur content common papers except acid-free paper used museums art galleries envelopes ruining older motors now uses plastic envelopes rubber storage keeps separate records motor An indelible felt pen used label envelope index performance re cords So using paper envelopes store rubber motors aware motors being slowly ruined Although own records comprehensive Stans Im sure have lost number good motors same way Microfilm hints Since midwinter Indoor season also seems microfilm pouring benefit newcomers modelers have never association Indoor models microfilm covering let take couple seconds explain microfilm very thin film clear material made modeler bathtub pouring thinned dope mixture onto surface water tub few drops mixture will quickly spread over considerable area will solidify coagulate sheet lifted waters surface aid frame hoop hung up dry As might imagine actually doing successfully brief sketch tells least gives general idea Actually microflim needs poured well advance used can age properly newly-poured microfilm often needs spend some time frame allowing sheet stabilize doesnt happen film may shrink after model covered film must used before has time age properly way accelerate aglng process Frank Cummings Bud Romak problem 66 World Champs Hungary solution fasten film hoops wall near open window light steady breeze window accelerated aglng about 24 hours film slightly slack frame ready used covering can achieve same effect electric fan blowing frames need age three items microfilm-pouring procedure will greatly increase chances success first film-pouring tank Another months photos shows tank Rick Doig set up West Baden contest Compare length tank model box tank approximately six feet long dont really need very deep pool water operation good rule choosing pouring tank allow least 18 inches margln edge Continued page 154 Microfilm pouring tanks should much larger film hoops portable 1 can safely store bunch microfilm sheets still film hoops box like Center pouring accessory R helps make uniform microfilm see text March 1987 57 Mass production Novice Pennyplane props very simple method see text Tomy Timer/Dunlop Continued page 146 keep fuel off it wont slow down unless gets really messy happens take apart clean al cohol get ready go again ndoor/Tenny Continued page 57 largest film hoop hope fill reason properly-poured film needs room spread naturally Cramped pouring space causes either very uneven film color artificially thick unstable sheet film Film has its spreading artificially limited poor risk use models Part problem pouring microfilm maintain good control amount microfilm solution deposited water second photo microfilm saga series shows shortcut problem Uniform distribution solution has two elements rate fluid flow rate distribution Rate distribution requires sweep arm across tank rate pouring spout photo has set interchangeable different-sized orifices plan match orifice required pouring rate always use same orifice hatch film solution free learn uniform pouring motion Be sure keep nozzle uniformly close water prevent splash because splash makes bubbles create holes film sheet Here another film technique makes easier get good sheets film storage boxes traditional method attaching film hoop lap film over edge hoop much better way coat film side hoop rubber cement Let rubber cement solvents evaporate leaving tacky film hoop pressed down onto poured film adheres well enough film outside hoop can torn away can lift film immediately Also need lift smaller hoops pour normal-sized sheet put small hoops sheet will fit Tear loose lift normally Just precaution process tearing film around hoops may leave small scraps film water arent cleaned off may attach other sheets spoil otherwise good film One microfilm hint storage boxes last photos shows store lot film small area Hoops made fit closely half inch clearance end inside chosen storage box Use tapered blocks attached inside box sides back create self-centering slots will hold hoops cant touch other tapered blocks important contact hoops corners film hoop never touched Instead hoops held securely wedged between tapered blocks box construction gives safe reliable storage indefinite time uter users looks like more computer users out com puters often useful model design prob lems have developed program compute print out dimensions prop blocks ac cording formula published previous column January 1987 issue $1 will send listings Radio Shack Color Computer Model 100 lap top Commodore 64 Send request address given below Tenny PO Box 545 Richardson TX 75080 uration/Wainfan Continued page 59 Current mles count stab area below 50% wing area wing area n-area rule no longer rule book have able find out history rule am certain deleted because being used rather because flying wings winning too much out can give information history rule deleted still exists has inadvertently omitted rule book please contact ed wings An unconventional configuration receiving considerable interest real-airplane world lately joined wing joined-wing airplane has two wings joined tips form diamond shape rear wing root mounted fin front wing attached fuselage wings form diamond front view well top view wing tips same level behind other joined tip body end plate The joined wing invented Dr Julian Wolkovitch holds patent concept joined wing has two attractive advantages first wings brace TErebail RIC Idle-Bar Glow Plugs Long Short$1 89 Also . Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $149 Swanson Associates PO Box 151 Wayne NJ e A4 07470ff/j Model Aviation
Edition: Model Aviation - 1987/03
Page Numbers: 57, 154
Free Flight Indoor BudTenny RULES PROPOSALS halfway through anew rules-making cycle noticed Indoor rules proposals will considered during cycle published December 1986 issue MA Competition News letter hope contacted District Indoor CR member told him feelings about proposals before deadline December 1 1986 mailing Initial Vote ballot Otherwise vote guidance case proposal favored eliminated Initial Vote results dont complain After Initial Vote results published please try better helping ICB decide surviving rules should adopted Prop wrap up some time Ive dealing props make repair use etc simple type prop blade con struction has overlooked soak balsa prop blade blanks water bend over cylindrical form dry shown photos Dave Linstrum made blades simultaneously West Baden contest helping some beginners get Novice Pennyplane models built Obviously shortcut prop building What see what Cezar Banks recommends plans Novice Pennyplane form blades gallon glass jug blanks 170 angle centerline jug step forms near-helical twist blade along camber formed curve jug left make spar shaft assembly glue blades place information about prop technique see Form Bent Propellers Max Chernoff appears Frank Zaics 1964-65 Model Aero nautic Year Book beginning page 198 Also 6th NFFS Symposium report has Can Formed Prop Blades update subject Bob Meuser page 28 Indoor sites often someone makes survey active sites Maybe about time another survey since available sites form backbone model flying activity has some time since Ive seen such data dont furnish details site club using will happy correlate report data will furnish will reading appeal middle Indoor season time Indoor flying goes because too cold fly outdoor FF have opportunities fly means someone arranged flying site sure thank information need following floor area ceiling height ceiling condition smooth ceiling beams hanglng lights etc flying condi tions drafty good night easy hangup etc location person contact available some particular schedule would helpful have some idea best flight times posted site various events also Send data address listed end column Hints kinks nicest things about Indoor fliers generous sharing better ideas building flying models fact sharing ideas reason hobby contin ues flourish have worked out neat solution modeling problem share such idea has appeared past important enough repeat Since rubber motors dont wear out deteriorate through mechanical chemical damage need stored safely between uses Stan Chilton used use paper envelopes motor storage wrote performance history envelope motor couple years ago noticed motors stored some time changed drastically performances After considerable research discovered minute sulfur content common papers except acid-free paper used museums art galleries envelopes ruining older motors now uses plastic envelopes rubber storage keeps separate records motor An indelible felt pen used label envelope index performance re cords So using paper envelopes store rubber motors aware motors being slowly ruined Although own records comprehensive Stans Im sure have lost number good motors same way Microfilm hints Since midwinter Indoor season also seems microfilm pouring benefit newcomers modelers have never association Indoor models microfilm covering let take couple seconds explain microfilm very thin film clear material made modeler bathtub pouring thinned dope mixture onto surface water tub few drops mixture will quickly spread over considerable area will solidify coagulate sheet lifted waters surface aid frame hoop hung up dry As might imagine actually doing successfully brief sketch tells least gives general idea Actually microflim needs poured well advance used can age properly newly-poured microfilm often needs spend some time frame allowing sheet stabilize doesnt happen film may shrink after model covered film must used before has time age properly way accelerate aglng process Frank Cummings Bud Romak problem 66 World Champs Hungary solution fasten film hoops wall near open window light steady breeze window accelerated aglng about 24 hours film slightly slack frame ready used covering can achieve same effect electric fan blowing frames need age three items microfilm-pouring procedure will greatly increase chances success first film-pouring tank Another months photos shows tank Rick Doig set up West Baden contest Compare length tank model box tank approximately six feet long dont really need very deep pool water operation good rule choosing pouring tank allow least 18 inches margln edge Continued page 154 Microfilm pouring tanks should much larger film hoops portable 1 can safely store bunch microfilm sheets still film hoops box like Center pouring accessory R helps make uniform microfilm see text March 1987 57 Mass production Novice Pennyplane props very simple method see text Tomy Timer/Dunlop Continued page 146 keep fuel off it wont slow down unless gets really messy happens take apart clean al cohol get ready go again ndoor/Tenny Continued page 57 largest film hoop hope fill reason properly-poured film needs room spread naturally Cramped pouring space causes either very uneven film color artificially thick unstable sheet film Film has its spreading artificially limited poor risk use models Part problem pouring microfilm maintain good control amount microfilm solution deposited water second photo microfilm saga series shows shortcut problem Uniform distribution solution has two elements rate fluid flow rate distribution Rate distribution requires sweep arm across tank rate pouring spout photo has set interchangeable different-sized orifices plan match orifice required pouring rate always use same orifice hatch film solution free learn uniform pouring motion Be sure keep nozzle uniformly close water prevent splash because splash makes bubbles create holes film sheet Here another film technique makes easier get good sheets film storage boxes traditional method attaching film hoop lap film over edge hoop much better way coat film side hoop rubber cement Let rubber cement solvents evaporate leaving tacky film hoop pressed down onto poured film adheres well enough film outside hoop can torn away can lift film immediately Also need lift smaller hoops pour normal-sized sheet put small hoops sheet will fit Tear loose lift normally Just precaution process tearing film around hoops may leave small scraps film water arent cleaned off may attach other sheets spoil otherwise good film One microfilm hint storage boxes last photos shows store lot film small area Hoops made fit closely half inch clearance end inside chosen storage box Use tapered blocks attached inside box sides back create self-centering slots will hold hoops cant touch other tapered blocks important contact hoops corners film hoop never touched Instead hoops held securely wedged between tapered blocks box construction gives safe reliable storage indefinite time uter users looks like more computer users out com puters often useful model design prob lems have developed program compute print out dimensions prop blocks ac cording formula published previous column January 1987 issue $1 will send listings Radio Shack Color Computer Model 100 lap top Commodore 64 Send request address given below Tenny PO Box 545 Richardson TX 75080 uration/Wainfan Continued page 59 Current mles count stab area below 50% wing area wing area n-area rule no longer rule book have able find out history rule am certain deleted because being used rather because flying wings winning too much out can give information history rule deleted still exists has inadvertently omitted rule book please contact ed wings An unconventional configuration receiving considerable interest real-airplane world lately joined wing joined-wing airplane has two wings joined tips form diamond shape rear wing root mounted fin front wing attached fuselage wings form diamond front view well top view wing tips same level behind other joined tip body end plate The joined wing invented Dr Julian Wolkovitch holds patent concept joined wing has two attractive advantages first wings brace TErebail RIC Idle-Bar Glow Plugs Long Short$1 89 Also . Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $149 Swanson Associates PO Box 151 Wayne NJ e A4 07470ff/j Model Aviation