FREE FLIGHT DURATION MINI-MASTER F1H Five-time Nordic team member Randy Weiler sent along photos Stan Buddenbohms new towline glider kit along words great little glider Although rounded wingtips give Mini-Master slightly Dragmasterish look 1970s kit 541/2 inch-span wing uses carbon-fiber tube main spar providing both stiff structure ready-made place wing wire tip panels stab use hard aluminum-tubing spars bandsawed ribs predrilled tubes Just slip ribs spar add leading trailing edges too well known country tube spars have popular Europe number yearsespecially stabs certainly provide less-expensive easier-tobuild alternative carbon-fiber D-box fuselage consists redwood pod predrilled accept carbon/aluminum tail boom model comes complete Stans SDTs Silly Putty Timer special offset towhook hook offset right fuselage centerline about inch eliminates need auto rudder achieve straight tow offset hook provides just enough yaw under tow cancel out glide turn rudder special towring fitting end line allows circletowing Mini-Master looks like great introduction towline flying kit sells $60 plus $5 shipping $10 overseas information contact Stan Buddenbohm 5652 Meinhardt Rd Westminister CA 92683 Tel 714893-6286 Three-D Turbulators know what two-dimensional turbulator piece thread glued top wing fraction inch back leading edge threedimensional turbulator device height up wing surface width spanwise depth measured along chord Like turbulator job 3-D turbulator stir up laminar flow air over upper surface wing turbulated air layer tends stay attached upper surface longer would laminar flow allows wing flown higher angle attack before air flow breaks away wing stalls Over years wide variety turbulator sizes shapes locations have tried objective find turbulator does its job causing too much drag own experiments 3-D turbulators done mid-1980s series solid balsa high-aspect-ratio Wakefield wings Other fact heavy fluttered like crazy during burst liked solid wings quick easy make glided great secret glide 3-D turbulator As can see photograph turbulator actually series triangular notches just behind leading edge Although trouble gluing thread felt extra effort worth After solid balsa wing covered tissue made series shallow angled cuts sharp razor blade mashed down balsa between form notches Drawing Finnish model magazine shows suggested size location three-dimensional turbulators 122 Model Aviation Buddenbohm shows off new Mini-Master Fl H glider kit Wing uses carbon-fiber tube main spar Weiler photo Mini-Master uses special offset towhook eliminate auto rudder Silly Putty dethermalizer timer included kit Three-dimensional turbulators 1980s FiB formed making series angled cuts balsa wing mashing down wood between technology finally caught up solid wings new carbon D-box wings stiffer lighter no way notch 3-D turhulator went back thread turbulators noticed 3-D turbulators drawings Russell Peers models British publication Free Flight News dropped line Russell asking made 3-D turbulators response Use very thin card stock Mark pencil line about 1/2 inch edge card cut pinking shears Mark another line about /16 inch bottom V cut sharp blade using long ruler give coat Evostick contact cement thinned cellulose thinner Let dry second coat Let tack dry Put leading edge iron Note could substitute heat-sensitive adhesives used attach Mylar Evostick black sample turbulator Russell sent looks like same material standard manila folder searching local fabric store pair pinking shears saw some paper shears Fiskar sell about $695 pairabout third cost pinking shears used cutting cloth Russell suggests 3-D turbulator gives same effect typical thread turbulator offers less drag Worth try besides ironing wider strips has easier trying glue down thread Smart Systems Tom McLaughlan Memorial Contest Pensacola 1983 FlA World Champion Matt Gewain showed prototype new Smart Systems electronic timer FlA Im sure timer really right word describe deviceor correctly system timer something starts releases some lines appropriate times DTs model Mechanical clockwork-based timers work way Once timer starts will go through its preset timing sequence no matter what Thats usually problem power rubber models usually predictable flight paths new bunt-equipped towline models miscue mechanical timer can disastrous example normal tow sequence starts stab slightly up normal glide setting give increased line tension tow allow tighter turning radius during circle tow During launch increased line tension causes hook unlatch once line released timer starts running model zooms upward due its high forward speed gaining valuable altitude After preset delay stab comes down briefly causing model bunt over glide attitude stab goes glide setting hopefully model maxes timer starts model going through zoom phase will bunt ground Hard What Matt has done use electronic timer timemeasuring job controlled three separate microswitches mounted front pivoting towhook senses model straight tow switch closed circle tow switch open second switch mounted hooks latch senses hook latched unlatched third switch mounted nose actually mercury switch senses pitch attitude model purpose mercury switch twofold prevent premature bunts ground determine optimum length zoom senses model has peaked its climb bunts way no problem bunting too soon too late ground small circuit board controls functions turn programmed ground-based computer Matt uses laptop anything can store ASCII file will work allows November1996 123 British flier Russell Peers suggests easier method using thin card strips cut pair pinking shears Compact microcontroller circuit brains Matt Gewains new Smart Systems electronic timer FlA Seven microswitches towhook sense model Servo nose glider operates carbon-fiber pushrod stab straight tow circle tow hook unlatches System requires nose space mechanical timer NEED SCALE DOCUMENTATION Antiques Milita% Civilian Helicopters Sailpianes have lb wids hirgest aircraft documentailon colhicflon 5800 different full color photo studies 1905-1996 33000 3-view line drawings New 1996 Catalog/Guide 188 pages Canada/Mexico $1000 Only $8 Overseas $1500 Bob Bankas - Scale Model Research 3114 Yukon Avenue a Mesa CA 92626 79 8058 Look us net htt f/lint netl-ims/scale html Functional shock absorbing scale gear designed make Cub IKON Goldberg Great Planes Sig Balsa USA 1/5 THIS GEAR IS FORGIVING114 B U N G E E C 0 V E R Matt store variety trim settings model example has deadcalm calm intermediate thermal thermal setting weather changes during day Matt simply downloads new settings onboard system need test flights eliminates need notebooks jot down settings eliminates problem trying remember whether turned glide screw back down after early-morning flyoff flight last month want know models current settings simply hook up computer model ask translate electronic signals mechanical movements Matt uses microservo pushrod back stab second servo can used rudder settings can handled conventional way tapping off movement towhook pushrod itself 050 carbon rod running along top tailboom Teflon tubing guides spaced six inches prevent buckling servo has 256 increments stop stop allowing movement about 005 inches per increment Thats about thickness piece masking tape Ni-Cd battery powers everything charge enough days flying About biggest drawback Smart Systems size servos necessitates fuselage width about 3/4 inchwider ready-made molded fuselage front ends As write early July Matt hasnt finalized price should $150 range controller software Servos will extra information check Composite Structures Technology Box 642 Tehachapi CA 93581 Model Aviation R U T T T C H 4130 Tubing $10000 S&H Check MO Win CWallacegk9~ Box 63 Dixie ID 83525 208 842-2337 Worlds Finest Laser Cut Rubber Powered Free Flight Scale Kits 24 worlds leader Laser Cut Model Aircraft Kits kft features finest LASER CUT BALSA PARTS Contest Rubbei Detailed Computer Drawn Plans Complete Hard PacA AuthentIc Waterside Decals Molded PlastIc Propeller Real Colored TIssue LIght WeIght Wheels Complete Step BulkiIng Instrudlons Please check local hobby dealer first kits available better hobby shops around world Full Line Calsiag $200 Add $450 shipping kilOverseas orders add 20%FL residents add 6% sates tax K.Made USADealer Inquire invited
Edition: Model Aviation - 1996/11
Page Numbers: 122, 123, 124
FREE FLIGHT DURATION MINI-MASTER F1H Five-time Nordic team member Randy Weiler sent along photos Stan Buddenbohms new towline glider kit along words great little glider Although rounded wingtips give Mini-Master slightly Dragmasterish look 1970s kit 541/2 inch-span wing uses carbon-fiber tube main spar providing both stiff structure ready-made place wing wire tip panels stab use hard aluminum-tubing spars bandsawed ribs predrilled tubes Just slip ribs spar add leading trailing edges too well known country tube spars have popular Europe number yearsespecially stabs certainly provide less-expensive easier-tobuild alternative carbon-fiber D-box fuselage consists redwood pod predrilled accept carbon/aluminum tail boom model comes complete Stans SDTs Silly Putty Timer special offset towhook hook offset right fuselage centerline about inch eliminates need auto rudder achieve straight tow offset hook provides just enough yaw under tow cancel out glide turn rudder special towring fitting end line allows circletowing Mini-Master looks like great introduction towline flying kit sells $60 plus $5 shipping $10 overseas information contact Stan Buddenbohm 5652 Meinhardt Rd Westminister CA 92683 Tel 714893-6286 Three-D Turbulators know what two-dimensional turbulator piece thread glued top wing fraction inch back leading edge threedimensional turbulator device height up wing surface width spanwise depth measured along chord Like turbulator job 3-D turbulator stir up laminar flow air over upper surface wing turbulated air layer tends stay attached upper surface longer would laminar flow allows wing flown higher angle attack before air flow breaks away wing stalls Over years wide variety turbulator sizes shapes locations have tried objective find turbulator does its job causing too much drag own experiments 3-D turbulators done mid-1980s series solid balsa high-aspect-ratio Wakefield wings Other fact heavy fluttered like crazy during burst liked solid wings quick easy make glided great secret glide 3-D turbulator As can see photograph turbulator actually series triangular notches just behind leading edge Although trouble gluing thread felt extra effort worth After solid balsa wing covered tissue made series shallow angled cuts sharp razor blade mashed down balsa between form notches Drawing Finnish model magazine shows suggested size location three-dimensional turbulators 122 Model Aviation Buddenbohm shows off new Mini-Master Fl H glider kit Wing uses carbon-fiber tube main spar Weiler photo Mini-Master uses special offset towhook eliminate auto rudder Silly Putty dethermalizer timer included kit Three-dimensional turbulators 1980s FiB formed making series angled cuts balsa wing mashing down wood between technology finally caught up solid wings new carbon D-box wings stiffer lighter no way notch 3-D turhulator went back thread turbulators noticed 3-D turbulators drawings Russell Peers models British publication Free Flight News dropped line Russell asking made 3-D turbulators response Use very thin card stock Mark pencil line about 1/2 inch edge card cut pinking shears Mark another line about /16 inch bottom V cut sharp blade using long ruler give coat Evostick contact cement thinned cellulose thinner Let dry second coat Let tack dry Put leading edge iron Note could substitute heat-sensitive adhesives used attach Mylar Evostick black sample turbulator Russell sent looks like same material standard manila folder searching local fabric store pair pinking shears saw some paper shears Fiskar sell about $695 pairabout third cost pinking shears used cutting cloth Russell suggests 3-D turbulator gives same effect typical thread turbulator offers less drag Worth try besides ironing wider strips has easier trying glue down thread Smart Systems Tom McLaughlan Memorial Contest Pensacola 1983 FlA World Champion Matt Gewain showed prototype new Smart Systems electronic timer FlA Im sure timer really right word describe deviceor correctly system timer something starts releases some lines appropriate times DTs model Mechanical clockwork-based timers work way Once timer starts will go through its preset timing sequence no matter what Thats usually problem power rubber models usually predictable flight paths new bunt-equipped towline models miscue mechanical timer can disastrous example normal tow sequence starts stab slightly up normal glide setting give increased line tension tow allow tighter turning radius during circle tow During launch increased line tension causes hook unlatch once line released timer starts running model zooms upward due its high forward speed gaining valuable altitude After preset delay stab comes down briefly causing model bunt over glide attitude stab goes glide setting hopefully model maxes timer starts model going through zoom phase will bunt ground Hard What Matt has done use electronic timer timemeasuring job controlled three separate microswitches mounted front pivoting towhook senses model straight tow switch closed circle tow switch open second switch mounted hooks latch senses hook latched unlatched third switch mounted nose actually mercury switch senses pitch attitude model purpose mercury switch twofold prevent premature bunts ground determine optimum length zoom senses model has peaked its climb bunts way no problem bunting too soon too late ground small circuit board controls functions turn programmed ground-based computer Matt uses laptop anything can store ASCII file will work allows November1996 123 British flier Russell Peers suggests easier method using thin card strips cut pair pinking shears Compact microcontroller circuit brains Matt Gewains new Smart Systems electronic timer FlA Seven microswitches towhook sense model Servo nose glider operates carbon-fiber pushrod stab straight tow circle tow hook unlatches System requires nose space mechanical timer NEED SCALE DOCUMENTATION Antiques Milita% Civilian Helicopters Sailpianes have lb wids hirgest aircraft documentailon colhicflon 5800 different full color photo studies 1905-1996 33000 3-view line drawings New 1996 Catalog/Guide 188 pages Canada/Mexico $1000 Only $8 Overseas $1500 Bob Bankas - Scale Model Research 3114 Yukon Avenue a Mesa CA 92626 79 8058 Look us net htt f/lint netl-ims/scale html Functional shock absorbing scale gear designed make Cub IKON Goldberg Great Planes Sig Balsa USA 1/5 THIS GEAR IS FORGIVING114 B U N G E E C 0 V E R Matt store variety trim settings model example has deadcalm calm intermediate thermal thermal setting weather changes during day Matt simply downloads new settings onboard system need test flights eliminates need notebooks jot down settings eliminates problem trying remember whether turned glide screw back down after early-morning flyoff flight last month want know models current settings simply hook up computer model ask translate electronic signals mechanical movements Matt uses microservo pushrod back stab second servo can used rudder settings can handled conventional way tapping off movement towhook pushrod itself 050 carbon rod running along top tailboom Teflon tubing guides spaced six inches prevent buckling servo has 256 increments stop stop allowing movement about 005 inches per increment Thats about thickness piece masking tape Ni-Cd battery powers everything charge enough days flying About biggest drawback Smart Systems size servos necessitates fuselage width about 3/4 inchwider ready-made molded fuselage front ends As write early July Matt hasnt finalized price should $150 range controller software Servos will extra information check Composite Structures Technology Box 642 Tehachapi CA 93581 Model Aviation R U T T T C H 4130 Tubing $10000 S&H Check MO Win CWallacegk9~ Box 63 Dixie ID 83525 208 842-2337 Worlds Finest Laser Cut Rubber Powered Free Flight Scale Kits 24 worlds leader Laser Cut Model Aircraft Kits kft features finest LASER CUT BALSA PARTS Contest Rubbei Detailed Computer Drawn Plans Complete Hard PacA AuthentIc Waterside Decals Molded PlastIc Propeller Real Colored TIssue LIght WeIght Wheels Complete Step BulkiIng Instrudlons Please check local hobby dealer first kits available better hobby shops around world Full Line Calsiag $200 Add $450 shipping kilOverseas orders add 20%FL residents add 6% sates tax K.Made USADealer Inquire invited
Edition: Model Aviation - 1996/11
Page Numbers: 122, 123, 124
FREE FLIGHT DURATION MINI-MASTER F1H Five-time Nordic team member Randy Weiler sent along photos Stan Buddenbohms new towline glider kit along words great little glider Although rounded wingtips give Mini-Master slightly Dragmasterish look 1970s kit 541/2 inch-span wing uses carbon-fiber tube main spar providing both stiff structure ready-made place wing wire tip panels stab use hard aluminum-tubing spars bandsawed ribs predrilled tubes Just slip ribs spar add leading trailing edges too well known country tube spars have popular Europe number yearsespecially stabs certainly provide less-expensive easier-tobuild alternative carbon-fiber D-box fuselage consists redwood pod predrilled accept carbon/aluminum tail boom model comes complete Stans SDTs Silly Putty Timer special offset towhook hook offset right fuselage centerline about inch eliminates need auto rudder achieve straight tow offset hook provides just enough yaw under tow cancel out glide turn rudder special towring fitting end line allows circletowing Mini-Master looks like great introduction towline flying kit sells $60 plus $5 shipping $10 overseas information contact Stan Buddenbohm 5652 Meinhardt Rd Westminister CA 92683 Tel 714893-6286 Three-D Turbulators know what two-dimensional turbulator piece thread glued top wing fraction inch back leading edge threedimensional turbulator device height up wing surface width spanwise depth measured along chord Like turbulator job 3-D turbulator stir up laminar flow air over upper surface wing turbulated air layer tends stay attached upper surface longer would laminar flow allows wing flown higher angle attack before air flow breaks away wing stalls Over years wide variety turbulator sizes shapes locations have tried objective find turbulator does its job causing too much drag own experiments 3-D turbulators done mid-1980s series solid balsa high-aspect-ratio Wakefield wings Other fact heavy fluttered like crazy during burst liked solid wings quick easy make glided great secret glide 3-D turbulator As can see photograph turbulator actually series triangular notches just behind leading edge Although trouble gluing thread felt extra effort worth After solid balsa wing covered tissue made series shallow angled cuts sharp razor blade mashed down balsa between form notches Drawing Finnish model magazine shows suggested size location three-dimensional turbulators 122 Model Aviation Buddenbohm shows off new Mini-Master Fl H glider kit Wing uses carbon-fiber tube main spar Weiler photo Mini-Master uses special offset towhook eliminate auto rudder Silly Putty dethermalizer timer included kit Three-dimensional turbulators 1980s FiB formed making series angled cuts balsa wing mashing down wood between technology finally caught up solid wings new carbon D-box wings stiffer lighter no way notch 3-D turhulator went back thread turbulators noticed 3-D turbulators drawings Russell Peers models British publication Free Flight News dropped line Russell asking made 3-D turbulators response Use very thin card stock Mark pencil line about 1/2 inch edge card cut pinking shears Mark another line about /16 inch bottom V cut sharp blade using long ruler give coat Evostick contact cement thinned cellulose thinner Let dry second coat Let tack dry Put leading edge iron Note could substitute heat-sensitive adhesives used attach Mylar Evostick black sample turbulator Russell sent looks like same material standard manila folder searching local fabric store pair pinking shears saw some paper shears Fiskar sell about $695 pairabout third cost pinking shears used cutting cloth Russell suggests 3-D turbulator gives same effect typical thread turbulator offers less drag Worth try besides ironing wider strips has easier trying glue down thread Smart Systems Tom McLaughlan Memorial Contest Pensacola 1983 FlA World Champion Matt Gewain showed prototype new Smart Systems electronic timer FlA Im sure timer really right word describe deviceor correctly system timer something starts releases some lines appropriate times DTs model Mechanical clockwork-based timers work way Once timer starts will go through its preset timing sequence no matter what Thats usually problem power rubber models usually predictable flight paths new bunt-equipped towline models miscue mechanical timer can disastrous example normal tow sequence starts stab slightly up normal glide setting give increased line tension tow allow tighter turning radius during circle tow During launch increased line tension causes hook unlatch once line released timer starts running model zooms upward due its high forward speed gaining valuable altitude After preset delay stab comes down briefly causing model bunt over glide attitude stab goes glide setting hopefully model maxes timer starts model going through zoom phase will bunt ground Hard What Matt has done use electronic timer timemeasuring job controlled three separate microswitches mounted front pivoting towhook senses model straight tow switch closed circle tow switch open second switch mounted hooks latch senses hook latched unlatched third switch mounted nose actually mercury switch senses pitch attitude model purpose mercury switch twofold prevent premature bunts ground determine optimum length zoom senses model has peaked its climb bunts way no problem bunting too soon too late ground small circuit board controls functions turn programmed ground-based computer Matt uses laptop anything can store ASCII file will work allows November1996 123 British flier Russell Peers suggests easier method using thin card strips cut pair pinking shears Compact microcontroller circuit brains Matt Gewains new Smart Systems electronic timer FlA Seven microswitches towhook sense model Servo nose glider operates carbon-fiber pushrod stab straight tow circle tow hook unlatches System requires nose space mechanical timer NEED SCALE DOCUMENTATION Antiques Milita% Civilian Helicopters Sailpianes have lb wids hirgest aircraft documentailon colhicflon 5800 different full color photo studies 1905-1996 33000 3-view line drawings New 1996 Catalog/Guide 188 pages Canada/Mexico $1000 Only $8 Overseas $1500 Bob Bankas - Scale Model Research 3114 Yukon Avenue a Mesa CA 92626 79 8058 Look us net htt f/lint netl-ims/scale html Functional shock absorbing scale gear designed make Cub IKON Goldberg Great Planes Sig Balsa USA 1/5 THIS GEAR IS FORGIVING114 B U N G E E C 0 V E R Matt store variety trim settings model example has deadcalm calm intermediate thermal thermal setting weather changes during day Matt simply downloads new settings onboard system need test flights eliminates need notebooks jot down settings eliminates problem trying remember whether turned glide screw back down after early-morning flyoff flight last month want know models current settings simply hook up computer model ask translate electronic signals mechanical movements Matt uses microservo pushrod back stab second servo can used rudder settings can handled conventional way tapping off movement towhook pushrod itself 050 carbon rod running along top tailboom Teflon tubing guides spaced six inches prevent buckling servo has 256 increments stop stop allowing movement about 005 inches per increment Thats about thickness piece masking tape Ni-Cd battery powers everything charge enough days flying About biggest drawback Smart Systems size servos necessitates fuselage width about 3/4 inchwider ready-made molded fuselage front ends As write early July Matt hasnt finalized price should $150 range controller software Servos will extra information check Composite Structures Technology Box 642 Tehachapi CA 93581 Model Aviation R U T T T C H 4130 Tubing $10000 S&H Check MO Win CWallacegk9~ Box 63 Dixie ID 83525 208 842-2337 Worlds Finest Laser Cut Rubber Powered Free Flight Scale Kits 24 worlds leader Laser Cut Model Aircraft Kits kft features finest LASER CUT BALSA PARTS Contest Rubbei Detailed Computer Drawn Plans Complete Hard PacA AuthentIc Waterside Decals Molded PlastIc Propeller Real Colored TIssue LIght WeIght Wheels Complete Step BulkiIng Instrudlons Please check local hobby dealer first kits available better hobby shops around world Full Line Calsiag $200 Add $450 shipping kilOverseas orders add 20%FL residents add 6% sates tax K.Made USADealer Inquire invited
