Free Flight Durahon Bob Meuser World Indoor Record last 14-yearold Indoor world record over 45 minutes has broken Dick Kowaiski War ren Mich set new official record 50 mm 41 sec Goodyear hangar Akron August 14 Dicks record culmination two years direct effort plus decades general indoor modeling experi ence included great deal work developing props airfoils construc tion techniques record-breaking model won Aerolympics Open Inter national meet Lakehurst 1974 over 42 mm unofficially exceeded world mark September 1974 over 46 minutes Earlier day record flight model made test flight 44 mm rather good starters Erv Rodemsky 1974 came close breaking world record can get actually breaking goaded Dick winding heck out Dick did Erv official timers end 9 mm model al ready ticking girders 183 feet overhead continued doing another 10 mm before leveled off later began its long glorious descent little drift model required balloonsteering during last minute two flight addition setting world absolute indoor record flight qualifies AMA record Class D Stick models Dick new door Contributing Editor NFFS Digest has eye 60-minute mark supposed last sen tence item get phone call near-hysterical chick name Pat Romak saying husband Bud just become World Champ meet Cardington England flights 3922 3936 Dont compare Kowalskis 50 minutes World Champs class models much smaller have minimum weight requirement Further US Team consisting Ro mak Jim Richmond Bucky Servaites took World Champs national teams So US goes third fiddle world domination Indoor model ing scene period two weeks like taters Sympo 76 Report ninth consecutive annual NFFS Symposium report out Price $6 plus 75 fourth-class postage $200 airmail 104 family-size pages big Order NFFS Publications 5641 Diamond Heights Blvd San Fran cisco CA 94131 NFFS Exec Director Hardy Broder sens opener straight-from-the-shoul der evaluation NFFS its going followed / \ / / \\/ / / Pmp 2t 4z6p Rubber 205 iaop 047 p096 09/902 /950 turns Dick Kowc1skis 85 203 \ I / woiLb 1f2booz \ K F jL Web7kta OL Bo 0175 Shzb0055 t5oom0042 Fin0008 Pm/i0111 n2ObEL 9 Total 0575 I4brid 2ecord 50 ni*41 sec &S Mationa/2econl somiit 4iJsdc Akron.Ohio 41976 2k17 /6 Steve Helmicks report Northwest Nordic Sympo including contributions John Lenderman 1975 Team mem ber Jim Walters others Harry Gro gan follows analysis effects various design parameters upon per formance Nordic gliders has done before times report seems put together coherent way Paul Crowley 1973 Nordic teamster designer Happy Hooker ex amines Circle Towing American Style considering techniques hardware model designs Ken Phair considers wing joiners Nordics wire-and-tube vs metal tongues NASAs W Hewitt Phil lips presents results low-speed windtunnel tests made recently England Test wing panels built-up construction results should applica ble models Andrew Bauer examines flapper -type FAI power modelsclimb glide overall performance potential second paper Bauer reviews propeller theory 4 presents methods applying theory power models Walt Erbach correlates experimental performance data door-model props theory Bob Oslan presents overview 020powered Old-Timer replica movement has played considerable role Nakashima Strikes Again series cartoons tell us lot about ourselves Doug McLean analyzes perform ance potential various Indoor model configurations including conventional tandem multi-wing models analy sis shows biplane Pennyplane can whip monoplane old day darn Robert Huber philosopher trade presents toughie titled Philosophical Dimensions Free Flight Modelling Classy stuff Im still working Bob Meuser presents simplified approach laying out rubber-power props carved thin planks Dieter Siebenman designer Finnegans Wake gives low-down timer-actuated variable-incidencetail mechanism Wakefield models 42 Model Aviation Ten Models Year section comprises 28 pages delightful reading sprinkled abundantly useful informa tion about designing building flying whatever else takes develop truly outstanding model Call Papers think might have makings article torical technical practical nature con cerning free flight consider putting act together 1977 National Free Flight Society Symposium will tenth Sympo Abstracts should sub mitted December 1 complete article March 15 Sympo will held 1977 Nats attendance authors mandatory papers will published Sympo report Send abstracts request further information Bob Dodds P0 Box 436 Rancho Santa Fe CA 02067 Nominations Are Order NFFS Model Year awards Selec tions will made early January best get licks early Awards made outstanding models categories Free Flight Occasionally awards made outstanding development rather modelthe Seelig timer Rossi engine Pennyplane Peanut Scale eventsso consider too making nomination give informa tion can gather Name class de signer model together ad dress competition record references magazine articles including xeroxes foreign obscure old articles short anything will give information about candidate Send Clarence Mather Ten Models Chairman 3860 Oco chee Ave San Diego CA 92117 Errata Corrigenda Etc Under Plans Source September issue page 82 mentioned some neat Old-Timer Scale plans sold Gordon Codding failed give address 3724 John L Ave Kingman AZ 86401 50 donation will bring complete price list last paragraph under Supplies Directory top column 3 mentions sets factory drawings World War air craft early home-builts para graph belongs Plans Source item better show face south Tehachapie Mountains out getting sorted out US Free Flight Champs story same sue both caption Tom Scullys photo text say Rules allowed either 15-sec engine runs VTO/ROG 12-sec hand-launch Most took lat ter course should have form er rather latter VTO alive well Southern Cal despite fact current AMA rules allow 12-sec hand-launch flights incidentally dont think correct say current AMA rules prohibit VTO launches club $OLDEWSHt Variable pitch prop Chuck Schoblohers Coupe keeps blades max pitch full winds cams blades lower pitch cruise newsletters magazines have stated way read AMA rule-book hand launching includes VTO course VTO engine run limit still 12 sec Any barracks bar risters have opinion Small World Jon James wife Santa Rosa Calif somewhere outbacks Colorado midway along crosscountry motor trip fellow comes up car says Say HLG DT see Paul A2T1JAL Sf E Crowley Detroit 1973 Nordic team member VP Prop Chuck Schobloher sent neat simple variable-pitch control propel ler system new Coupe model model fully wound released high torque keeps prop blades maximum pitch As motor unwinds blades cammed down lower pitch cruise bit soldering involved front end prop shaft bobbin area plus some careful curve bending blade shaft ride cam slots sol dered hub assembly other system quite simple direct Clarence Mather displays British-influenced ultra-light Half-A Go-Go-Bird Bob remarks continued page 95 such ships have short glorious life Photo graph John Oldenkamp FF Duration/Meuser continued page 43 About Hardware time time present some rather fancy hardware winders torquemeters prop hubs suchand issue will no exception Perhaps gives impression suc cess free-flight competition requires use such sophisticated stuff true dont need machine shop build successful Nordic glider AMA-Gas model reworked hand-me-down hand drill makes perfectly usable Wake field motor winder fanciness hardware has little relationship winning losing Some free fighters see develop ment sophisticated hardware end itself devote time would better spent practice flying trophy collecting goal cant prac tice fly time fancy hardware may ensure winning makes losing fun havent presented much way simple hardware figured everybody al ready knew about Maybe needs correcting Ill continue present fancy stuff two reasons readers seem enjoy seeing cases represents advance state art simpler hardware comes along does job well well throw hopper too Fancy Rubber Winders Bob White Bob Piserchio two modelers appear have time both fly lot develop fancy hardware winders winding stooges rubber-loading sticks prop-hub hardware used Wakefield models seems developed per fection yet development continues Piser chio recently showed off new winder hav ing helical gears enclosed case milled solid blocks aluminum out side polished smooth difficult find seam course turns counter Bob couldnt obtain chanical counter suited him built electronic having digital LED display like pocket calcula tor original version employed camNEW FORD TRI MOTOR 1195 TIGER MOTH Unique because such amazing scale detail achieved kits relatively easy build can built ways such Rubber Powered supplied Electric Motor 020 049 C02 Engine Power Free Flight Control Line R/C pulse Single Channel Static Scale* Any version makes museum-like model Frame members accurately Die Cut finest quality Balsa Wood part numbered insure fast accurate assembly clearly shown easy step-by-step plan Highly detailed Plastic Parts simplify assembly adding touch realism-in-miniature NEW L BEGINNERS ZERO ERSCHMITT 495 Nifty control line models Theyre easiest ones world assembleall wood no tissue coveringonly 6 9 parts depending model ex cept Biplanes have few Genuine Nylon motor mount THEYRE AT YOUR DEALER GET OVER AND SEE THEM NOW . actuated miniature switch supply pulses counter click-click-click switch absolutely maddening latest version slotted disk coupled shaft interrupts light beam shines tiny photo-cell Bob making production run want better hurry before price goes up Current price $10000 Put-Down have heard some rather elaborate ways suggesting modeler model quite up expected standards attributed Doug Galbreath must hold current record Id take model ready bolt placeComplete control system less handle lines decals landing gear wheels etc makes building cinch assembly literally minutes can use 049 engine trade big ol yaller dog Id take big ol yaller dog out shoot Platitude Month V E John son Theory Practice Model Aeroplaning 1910 Aeroplanes naturally stable up certain speed may become unstable moving beyond speed Possible explanation motion air over edges airfoil comes turbulent form streamlines suddenly changes Ever model would plant itself ground whenever got its nose down picked up speed yet glided nicely stalling bit Johnsons possible explana tion right George Xenakis spelled out recently NFFS Digest Clearly Johnson knew about scale effect although never used term Reynolds Number book Rey nolds work predated Johnsons book decades Too bad Wright broth ers didnt have better appreciation scale effect theyalong other airplane builders timein sisted thin airfoils hot stuff full-size aircraft because what wind-tunnel tests models told guess Anthony Fokker clued aircraft industry toward thick wings Probably wrong reasons.. Bob Metiser 4200 Gregory St Oak land CA 94619 December1976 95 KIT E12 SPAN 345 1 Ft 1 ft 1295 Krr $45 Fudo Takagis A-6 class model has turned over 3-mm times under 22-ft ceiling See March issue pg 34 write Meuser event rules Photo Clarence Mather chap has everything 80 Piser chias winder features electronic counter hav ing calculator-type display Meuser photo
Edition: Model Aviation - 1976/12
Page Numbers: 42, 43, 95
Free Flight Durahon Bob Meuser World Indoor Record last 14-yearold Indoor world record over 45 minutes has broken Dick Kowaiski War ren Mich set new official record 50 mm 41 sec Goodyear hangar Akron August 14 Dicks record culmination two years direct effort plus decades general indoor modeling experi ence included great deal work developing props airfoils construc tion techniques record-breaking model won Aerolympics Open Inter national meet Lakehurst 1974 over 42 mm unofficially exceeded world mark September 1974 over 46 minutes Earlier day record flight model made test flight 44 mm rather good starters Erv Rodemsky 1974 came close breaking world record can get actually breaking goaded Dick winding heck out Dick did Erv official timers end 9 mm model al ready ticking girders 183 feet overhead continued doing another 10 mm before leveled off later began its long glorious descent little drift model required balloonsteering during last minute two flight addition setting world absolute indoor record flight qualifies AMA record Class D Stick models Dick new door Contributing Editor NFFS Digest has eye 60-minute mark supposed last sen tence item get phone call near-hysterical chick name Pat Romak saying husband Bud just become World Champ meet Cardington England flights 3922 3936 Dont compare Kowalskis 50 minutes World Champs class models much smaller have minimum weight requirement Further US Team consisting Ro mak Jim Richmond Bucky Servaites took World Champs national teams So US goes third fiddle world domination Indoor model ing scene period two weeks like taters Sympo 76 Report ninth consecutive annual NFFS Symposium report out Price $6 plus 75 fourth-class postage $200 airmail 104 family-size pages big Order NFFS Publications 5641 Diamond Heights Blvd San Fran cisco CA 94131 NFFS Exec Director Hardy Broder sens opener straight-from-the-shoul der evaluation NFFS its going followed / \ / / \\/ / / Pmp 2t 4z6p Rubber 205 iaop 047 p096 09/902 /950 turns Dick Kowc1skis 85 203 \ I / woiLb 1f2booz \ K F jL Web7kta OL Bo 0175 Shzb0055 t5oom0042 Fin0008 Pm/i0111 n2ObEL 9 Total 0575 I4brid 2ecord 50 ni*41 sec &S Mationa/2econl somiit 4iJsdc Akron.Ohio 41976 2k17 /6 Steve Helmicks report Northwest Nordic Sympo including contributions John Lenderman 1975 Team mem ber Jim Walters others Harry Gro gan follows analysis effects various design parameters upon per formance Nordic gliders has done before times report seems put together coherent way Paul Crowley 1973 Nordic teamster designer Happy Hooker ex amines Circle Towing American Style considering techniques hardware model designs Ken Phair considers wing joiners Nordics wire-and-tube vs metal tongues NASAs W Hewitt Phil lips presents results low-speed windtunnel tests made recently England Test wing panels built-up construction results should applica ble models Andrew Bauer examines flapper -type FAI power modelsclimb glide overall performance potential second paper Bauer reviews propeller theory 4 presents methods applying theory power models Walt Erbach correlates experimental performance data door-model props theory Bob Oslan presents overview 020powered Old-Timer replica movement has played considerable role Nakashima Strikes Again series cartoons tell us lot about ourselves Doug McLean analyzes perform ance potential various Indoor model configurations including conventional tandem multi-wing models analy sis shows biplane Pennyplane can whip monoplane old day darn Robert Huber philosopher trade presents toughie titled Philosophical Dimensions Free Flight Modelling Classy stuff Im still working Bob Meuser presents simplified approach laying out rubber-power props carved thin planks Dieter Siebenman designer Finnegans Wake gives low-down timer-actuated variable-incidencetail mechanism Wakefield models 42 Model Aviation Ten Models Year section comprises 28 pages delightful reading sprinkled abundantly useful informa tion about designing building flying whatever else takes develop truly outstanding model Call Papers think might have makings article torical technical practical nature con cerning free flight consider putting act together 1977 National Free Flight Society Symposium will tenth Sympo Abstracts should sub mitted December 1 complete article March 15 Sympo will held 1977 Nats attendance authors mandatory papers will published Sympo report Send abstracts request further information Bob Dodds P0 Box 436 Rancho Santa Fe CA 02067 Nominations Are Order NFFS Model Year awards Selec tions will made early January best get licks early Awards made outstanding models categories Free Flight Occasionally awards made outstanding development rather modelthe Seelig timer Rossi engine Pennyplane Peanut Scale eventsso consider too making nomination give informa tion can gather Name class de signer model together ad dress competition record references magazine articles including xeroxes foreign obscure old articles short anything will give information about candidate Send Clarence Mather Ten Models Chairman 3860 Oco chee Ave San Diego CA 92117 Errata Corrigenda Etc Under Plans Source September issue page 82 mentioned some neat Old-Timer Scale plans sold Gordon Codding failed give address 3724 John L Ave Kingman AZ 86401 50 donation will bring complete price list last paragraph under Supplies Directory top column 3 mentions sets factory drawings World War air craft early home-builts para graph belongs Plans Source item better show face south Tehachapie Mountains out getting sorted out US Free Flight Champs story same sue both caption Tom Scullys photo text say Rules allowed either 15-sec engine runs VTO/ROG 12-sec hand-launch Most took lat ter course should have form er rather latter VTO alive well Southern Cal despite fact current AMA rules allow 12-sec hand-launch flights incidentally dont think correct say current AMA rules prohibit VTO launches club $OLDEWSHt Variable pitch prop Chuck Schoblohers Coupe keeps blades max pitch full winds cams blades lower pitch cruise newsletters magazines have stated way read AMA rule-book hand launching includes VTO course VTO engine run limit still 12 sec Any barracks bar risters have opinion Small World Jon James wife Santa Rosa Calif somewhere outbacks Colorado midway along crosscountry motor trip fellow comes up car says Say HLG DT see Paul A2T1JAL Sf E Crowley Detroit 1973 Nordic team member VP Prop Chuck Schobloher sent neat simple variable-pitch control propel ler system new Coupe model model fully wound released high torque keeps prop blades maximum pitch As motor unwinds blades cammed down lower pitch cruise bit soldering involved front end prop shaft bobbin area plus some careful curve bending blade shaft ride cam slots sol dered hub assembly other system quite simple direct Clarence Mather displays British-influenced ultra-light Half-A Go-Go-Bird Bob remarks continued page 95 such ships have short glorious life Photo graph John Oldenkamp FF Duration/Meuser continued page 43 About Hardware time time present some rather fancy hardware winders torquemeters prop hubs suchand issue will no exception Perhaps gives impression suc cess free-flight competition requires use such sophisticated stuff true dont need machine shop build successful Nordic glider AMA-Gas model reworked hand-me-down hand drill makes perfectly usable Wake field motor winder fanciness hardware has little relationship winning losing Some free fighters see develop ment sophisticated hardware end itself devote time would better spent practice flying trophy collecting goal cant prac tice fly time fancy hardware may ensure winning makes losing fun havent presented much way simple hardware figured everybody al ready knew about Maybe needs correcting Ill continue present fancy stuff two reasons readers seem enjoy seeing cases represents advance state art simpler hardware comes along does job well well throw hopper too Fancy Rubber Winders Bob White Bob Piserchio two modelers appear have time both fly lot develop fancy hardware winders winding stooges rubber-loading sticks prop-hub hardware used Wakefield models seems developed per fection yet development continues Piser chio recently showed off new winder hav ing helical gears enclosed case milled solid blocks aluminum out side polished smooth difficult find seam course turns counter Bob couldnt obtain chanical counter suited him built electronic having digital LED display like pocket calcula tor original version employed camNEW FORD TRI MOTOR 1195 TIGER MOTH Unique because such amazing scale detail achieved kits relatively easy build can built ways such Rubber Powered supplied Electric Motor 020 049 C02 Engine Power Free Flight Control Line R/C pulse Single Channel Static Scale* Any version makes museum-like model Frame members accurately Die Cut finest quality Balsa Wood part numbered insure fast accurate assembly clearly shown easy step-by-step plan Highly detailed Plastic Parts simplify assembly adding touch realism-in-miniature NEW L BEGINNERS ZERO ERSCHMITT 495 Nifty control line models Theyre easiest ones world assembleall wood no tissue coveringonly 6 9 parts depending model ex cept Biplanes have few Genuine Nylon motor mount THEYRE AT YOUR DEALER GET OVER AND SEE THEM NOW . actuated miniature switch supply pulses counter click-click-click switch absolutely maddening latest version slotted disk coupled shaft interrupts light beam shines tiny photo-cell Bob making production run want better hurry before price goes up Current price $10000 Put-Down have heard some rather elaborate ways suggesting modeler model quite up expected standards attributed Doug Galbreath must hold current record Id take model ready bolt placeComplete control system less handle lines decals landing gear wheels etc makes building cinch assembly literally minutes can use 049 engine trade big ol yaller dog Id take big ol yaller dog out shoot Platitude Month V E John son Theory Practice Model Aeroplaning 1910 Aeroplanes naturally stable up certain speed may become unstable moving beyond speed Possible explanation motion air over edges airfoil comes turbulent form streamlines suddenly changes Ever model would plant itself ground whenever got its nose down picked up speed yet glided nicely stalling bit Johnsons possible explana tion right George Xenakis spelled out recently NFFS Digest Clearly Johnson knew about scale effect although never used term Reynolds Number book Rey nolds work predated Johnsons book decades Too bad Wright broth ers didnt have better appreciation scale effect theyalong other airplane builders timein sisted thin airfoils hot stuff full-size aircraft because what wind-tunnel tests models told guess Anthony Fokker clued aircraft industry toward thick wings Probably wrong reasons.. Bob Metiser 4200 Gregory St Oak land CA 94619 December1976 95 KIT E12 SPAN 345 1 Ft 1 ft 1295 Krr $45 Fudo Takagis A-6 class model has turned over 3-mm times under 22-ft ceiling See March issue pg 34 write Meuser event rules Photo Clarence Mather chap has everything 80 Piser chias winder features electronic counter hav ing calculator-type display Meuser photo
Edition: Model Aviation - 1976/12
Page Numbers: 42, 43, 95
Free Flight Durahon Bob Meuser World Indoor Record last 14-yearold Indoor world record over 45 minutes has broken Dick Kowaiski War ren Mich set new official record 50 mm 41 sec Goodyear hangar Akron August 14 Dicks record culmination two years direct effort plus decades general indoor modeling experi ence included great deal work developing props airfoils construc tion techniques record-breaking model won Aerolympics Open Inter national meet Lakehurst 1974 over 42 mm unofficially exceeded world mark September 1974 over 46 minutes Earlier day record flight model made test flight 44 mm rather good starters Erv Rodemsky 1974 came close breaking world record can get actually breaking goaded Dick winding heck out Dick did Erv official timers end 9 mm model al ready ticking girders 183 feet overhead continued doing another 10 mm before leveled off later began its long glorious descent little drift model required balloonsteering during last minute two flight addition setting world absolute indoor record flight qualifies AMA record Class D Stick models Dick new door Contributing Editor NFFS Digest has eye 60-minute mark supposed last sen tence item get phone call near-hysterical chick name Pat Romak saying husband Bud just become World Champ meet Cardington England flights 3922 3936 Dont compare Kowalskis 50 minutes World Champs class models much smaller have minimum weight requirement Further US Team consisting Ro mak Jim Richmond Bucky Servaites took World Champs national teams So US goes third fiddle world domination Indoor model ing scene period two weeks like taters Sympo 76 Report ninth consecutive annual NFFS Symposium report out Price $6 plus 75 fourth-class postage $200 airmail 104 family-size pages big Order NFFS Publications 5641 Diamond Heights Blvd San Fran cisco CA 94131 NFFS Exec Director Hardy Broder sens opener straight-from-the-shoul der evaluation NFFS its going followed / \ / / \\/ / / Pmp 2t 4z6p Rubber 205 iaop 047 p096 09/902 /950 turns Dick Kowc1skis 85 203 \ I / woiLb 1f2booz \ K F jL Web7kta OL Bo 0175 Shzb0055 t5oom0042 Fin0008 Pm/i0111 n2ObEL 9 Total 0575 I4brid 2ecord 50 ni*41 sec &S Mationa/2econl somiit 4iJsdc Akron.Ohio 41976 2k17 /6 Steve Helmicks report Northwest Nordic Sympo including contributions John Lenderman 1975 Team mem ber Jim Walters others Harry Gro gan follows analysis effects various design parameters upon per formance Nordic gliders has done before times report seems put together coherent way Paul Crowley 1973 Nordic teamster designer Happy Hooker ex amines Circle Towing American Style considering techniques hardware model designs Ken Phair considers wing joiners Nordics wire-and-tube vs metal tongues NASAs W Hewitt Phil lips presents results low-speed windtunnel tests made recently England Test wing panels built-up construction results should applica ble models Andrew Bauer examines flapper -type FAI power modelsclimb glide overall performance potential second paper Bauer reviews propeller theory 4 presents methods applying theory power models Walt Erbach correlates experimental performance data door-model props theory Bob Oslan presents overview 020powered Old-Timer replica movement has played considerable role Nakashima Strikes Again series cartoons tell us lot about ourselves Doug McLean analyzes perform ance potential various Indoor model configurations including conventional tandem multi-wing models analy sis shows biplane Pennyplane can whip monoplane old day darn Robert Huber philosopher trade presents toughie titled Philosophical Dimensions Free Flight Modelling Classy stuff Im still working Bob Meuser presents simplified approach laying out rubber-power props carved thin planks Dieter Siebenman designer Finnegans Wake gives low-down timer-actuated variable-incidencetail mechanism Wakefield models 42 Model Aviation Ten Models Year section comprises 28 pages delightful reading sprinkled abundantly useful informa tion about designing building flying whatever else takes develop truly outstanding model Call Papers think might have makings article torical technical practical nature con cerning free flight consider putting act together 1977 National Free Flight Society Symposium will tenth Sympo Abstracts should sub mitted December 1 complete article March 15 Sympo will held 1977 Nats attendance authors mandatory papers will published Sympo report Send abstracts request further information Bob Dodds P0 Box 436 Rancho Santa Fe CA 02067 Nominations Are Order NFFS Model Year awards Selec tions will made early January best get licks early Awards made outstanding models categories Free Flight Occasionally awards made outstanding development rather modelthe Seelig timer Rossi engine Pennyplane Peanut Scale eventsso consider too making nomination give informa tion can gather Name class de signer model together ad dress competition record references magazine articles including xeroxes foreign obscure old articles short anything will give information about candidate Send Clarence Mather Ten Models Chairman 3860 Oco chee Ave San Diego CA 92117 Errata Corrigenda Etc Under Plans Source September issue page 82 mentioned some neat Old-Timer Scale plans sold Gordon Codding failed give address 3724 John L Ave Kingman AZ 86401 50 donation will bring complete price list last paragraph under Supplies Directory top column 3 mentions sets factory drawings World War air craft early home-builts para graph belongs Plans Source item better show face south Tehachapie Mountains out getting sorted out US Free Flight Champs story same sue both caption Tom Scullys photo text say Rules allowed either 15-sec engine runs VTO/ROG 12-sec hand-launch Most took lat ter course should have form er rather latter VTO alive well Southern Cal despite fact current AMA rules allow 12-sec hand-launch flights incidentally dont think correct say current AMA rules prohibit VTO launches club $OLDEWSHt Variable pitch prop Chuck Schoblohers Coupe keeps blades max pitch full winds cams blades lower pitch cruise newsletters magazines have stated way read AMA rule-book hand launching includes VTO course VTO engine run limit still 12 sec Any barracks bar risters have opinion Small World Jon James wife Santa Rosa Calif somewhere outbacks Colorado midway along crosscountry motor trip fellow comes up car says Say HLG DT see Paul A2T1JAL Sf E Crowley Detroit 1973 Nordic team member VP Prop Chuck Schobloher sent neat simple variable-pitch control propel ler system new Coupe model model fully wound released high torque keeps prop blades maximum pitch As motor unwinds blades cammed down lower pitch cruise bit soldering involved front end prop shaft bobbin area plus some careful curve bending blade shaft ride cam slots sol dered hub assembly other system quite simple direct Clarence Mather displays British-influenced ultra-light Half-A Go-Go-Bird Bob remarks continued page 95 such ships have short glorious life Photo graph John Oldenkamp FF Duration/Meuser continued page 43 About Hardware time time present some rather fancy hardware winders torquemeters prop hubs suchand issue will no exception Perhaps gives impression suc cess free-flight competition requires use such sophisticated stuff true dont need machine shop build successful Nordic glider AMA-Gas model reworked hand-me-down hand drill makes perfectly usable Wake field motor winder fanciness hardware has little relationship winning losing Some free fighters see develop ment sophisticated hardware end itself devote time would better spent practice flying trophy collecting goal cant prac tice fly time fancy hardware may ensure winning makes losing fun havent presented much way simple hardware figured everybody al ready knew about Maybe needs correcting Ill continue present fancy stuff two reasons readers seem enjoy seeing cases represents advance state art simpler hardware comes along does job well well throw hopper too Fancy Rubber Winders Bob White Bob Piserchio two modelers appear have time both fly lot develop fancy hardware winders winding stooges rubber-loading sticks prop-hub hardware used Wakefield models seems developed per fection yet development continues Piser chio recently showed off new winder hav ing helical gears enclosed case milled solid blocks aluminum out side polished smooth difficult find seam course turns counter Bob couldnt obtain chanical counter suited him built electronic having digital LED display like pocket calcula tor original version employed camNEW FORD TRI MOTOR 1195 TIGER MOTH Unique because such amazing scale detail achieved kits relatively easy build can built ways such Rubber Powered supplied Electric Motor 020 049 C02 Engine Power Free Flight Control Line R/C pulse Single Channel Static Scale* Any version makes museum-like model Frame members accurately Die Cut finest quality Balsa Wood part numbered insure fast accurate assembly clearly shown easy step-by-step plan Highly detailed Plastic Parts simplify assembly adding touch realism-in-miniature NEW L BEGINNERS ZERO ERSCHMITT 495 Nifty control line models Theyre easiest ones world assembleall wood no tissue coveringonly 6 9 parts depending model ex cept Biplanes have few Genuine Nylon motor mount THEYRE AT YOUR DEALER GET OVER AND SEE THEM NOW . actuated miniature switch supply pulses counter click-click-click switch absolutely maddening latest version slotted disk coupled shaft interrupts light beam shines tiny photo-cell Bob making production run want better hurry before price goes up Current price $10000 Put-Down have heard some rather elaborate ways suggesting modeler model quite up expected standards attributed Doug Galbreath must hold current record Id take model ready bolt placeComplete control system less handle lines decals landing gear wheels etc makes building cinch assembly literally minutes can use 049 engine trade big ol yaller dog Id take big ol yaller dog out shoot Platitude Month V E John son Theory Practice Model Aeroplaning 1910 Aeroplanes naturally stable up certain speed may become unstable moving beyond speed Possible explanation motion air over edges airfoil comes turbulent form streamlines suddenly changes Ever model would plant itself ground whenever got its nose down picked up speed yet glided nicely stalling bit Johnsons possible explana tion right George Xenakis spelled out recently NFFS Digest Clearly Johnson knew about scale effect although never used term Reynolds Number book Rey nolds work predated Johnsons book decades Too bad Wright broth ers didnt have better appreciation scale effect theyalong other airplane builders timein sisted thin airfoils hot stuff full-size aircraft because what wind-tunnel tests models told guess Anthony Fokker clued aircraft industry toward thick wings Probably wrong reasons.. Bob Metiser 4200 Gregory St Oak land CA 94619 December1976 95 KIT E12 SPAN 345 1 Ft 1 ft 1295 Krr $45 Fudo Takagis A-6 class model has turned over 3-mm times under 22-ft ceiling See March issue pg 34 write Meuser event rules Photo Clarence Mather chap has everything 80 Piser chias winder features electronic counter hav ing calculator-type display Meuser photo