Bladder Grabber

NO OCR TEXT Carver longtime Fast Combat enthusiast manu1cturer stereo equipment year 58 fliers registered down lit tle last year since some would-be entraits getting ready Combat placel World Championships slated August Kiev USSR its excitement setting 13th Annual Bladder Grabber peaceful almost pastoral site meadow beside grass runway country airport Sno homish WA about 15 miles northeast hoot down force parked ricing lot put up know he streamer tied tail hundred points given 8-ft-long crepe paper 6-ft string holding streamerthe flier gets kill page 99 Action eany round urn iwo niers maneu ver position grass field low dust made life easier contestants wart nd nd Day ire simple Two same cirele onoose areas ttw stack models ready sacwhen came easing pilot take home -make foam wings Photos Mary Fitzgerald October1988 97 val izv patch hard passed ants immediately wins match no matter what points Matches can last up five minutes fliers accumulate point second plane air However action air anything simple models fly eye-blurring speeds ends 60-ft lines Looking sounding like enraged hornets air planes circle swoop climb black orange streamers flying engines screaming maneuver position ground action equally frantic fliers dance around center cir cle trying stay out others way keep lines tangling watch airplanes Midair collisions frequent ear splitting noise stops abrupt sudden whoomp sky littered pieces Styrofoam balsawood Crashes common sometimes because flier doesnt pull out dive time often because control lines get tan gled Tangled lines cause five six fly-aways lines snapped mod els became Free Flight Fortunately no hurt no damage done Because Styrofoam balsa carnage high everyone brings half-dozen models contest ensure will have something fly later rounds surprise meet very strong performance Spencer Sheldrew Issaquah WA came second Spencer first saw Bladder Grabber two years ago never built flown model Last year entered first time year leading everyone entered final round competition Although beaten decisively fi nal two matches Steve Kott Wayne MI Kott will fly World Champion ships Kiev still quite tour de force Sheldrews part Going final two matches pres sure Kott because beat Sheldrew twice Bladder Grabber triple elimination contest means flier has lose three times before outand point Kott lost twice Sheidrew oaly once Sheldrew won either two matches Kott would suffer third defeat Sheldrew would win Bladder Grabber Kott succeeded turning tables get ting kill opening seconds both rounds Sheldrew far disap pointed performance set goal making second day Never wildest dreams did think would get far As competitive flying se crets success Fast Combat practice practice Sheidrew room mate Chuck Matheny practice about 10 hours week Like others prac tices Combat models smaller less expensive ones used Bladder Grabber Although planes fast control Continued page 175 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT Adlustable side frames free-flow ventilation Extremely light weight added comfort Blacks harmful aviolet radiation Attractive case included ________Wraparound frame fits comfortably over prescription glasses . Quartz mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Available in Clear shop work $1325 Amber overcast days & late afternoons S14~ Gray $14~ & Mirror S199 sunny days CA Mask S15~ Paint Mask S2045 member club hit grog blade thrown 60 engine close range tig blade struck Safety Plus glasses saved him serious injury gossibly loss ey& incident convinced everyone should wear safety glasses near model airglane engines being run ugEd Saul ces include shipping handlingSecretary Treasurer LnJPE Pikes Peak RO Club See hobby dealer first doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 ORDERS ONLYi -800-842-7233 Cont USI Mississippi 6O1 1924-9640 /MC October 1988 99 N CATALC~ Send FREE catalog see yourself supply over 2700 sizes grades Low Low Prices Density Graded Color-Coded Quality Balsa Satisfaction 100% guaranteed U Full Catalog call send stamned seIfadg1rpcod onnoI. HOBBY * WOODS Lrkin C1vj Ca 93612 209 292-WOC Finally heartfelt salute order beautiful people gave selves make 1988 FAC possible successful addition Maxecuter ganizers special thanks Lin Juanita Reichel Tom Schmitt Bob Clemens Ma rie Rees Connie McSulskis Marian Mann Kathy Thomas Peg Paisley Shirley Kuenz Rich Hensel Pat Jupiter Gerry Helen Paisley Otto Kuhni Claude Powell Paul Spreiregen Western NY FF Society Geneseo National Warplane Museum Peck-Polymers Golden Age Reproduc tions Sea Glen Models Blue Swallow Mod els Flyline Models Flying Scale Inc well unsung volunteer timers go-fers helpers especially en thusiastic thanks superb contes tants willingly shared yourselves keep Free Flight Scale alive well growing Bladder/Weinreich Continued page 99 lines shorter reaction time re quired about same bigger contest models Phil Granderson Portland OR came fourth year has won contest twice before practiced playing video games air hockey also flew plane night training himself con trol model depending sight helps him concentrate opposi tion match Just important practice con struction models proper modifica tion engines wings con structed Styrofoam reinforced bal sa carbon fiber fiberglass strapping tape Stabs built lightness tail booms either built-up ones made carbon fiber arrow shafts Models have wingspans about 4 ft weigh 18 20 oz About half weight accounted engine engine mounts Like other Bladder Grabber partici pants Kott designs own planes re works engines putting brass cylinder liners aluminum pistons modi1ing crankshafts Most engines contest started out life Fox 35s Combat has come long way past 20 years Bob Carver remarked Com paring Combat plane 20 years ago today like comparing Model T new Porsche Carver has fly ing 25 years explained speeds have gone 80 120 mph engine power has risen one-half horsepower two Aerodynamics have changed airfoil shapes different moments better planes can turn tighter accelerate faster performance has improved reminded us has skill level pi lots' Ironically last years Nats winner Mark Smith Ft Worth TX found hes im proved models too much built new planes year quicker faster old ones used did fly well Smith rue fully explained Though didnt place years Bladder Grabber hes no quitter planning return next years Theres something about Combat flying just gets blood Bob Carver continues compete de spite never having won Bladder Grabber although year placed respectable seventh summed up way Its ultimate video game Its flier against another its strategy maneu vering evasion attack Its things actual fighter pilots have Ill give Bob last word too know youve alive says after youve flown Combat match As motto Combat observation would hard improve upon Dihedral/Beron-Rawdon Continued page 106 half-degree penalty polyhedral wing relative V-dihedral wing will force increase speed about 3% degree penalty parabolic wing rel ative V-wing will force 55% increase speed Because dihedral angle yaw angle reciprocal works out changing Equlvalent Dihedral Angle has no effect variations angle attack larger slower planes penalty severe Take 120-in-span 1000in2 25-lb plane thermals 175 ft/sec instance plane must yaw 150 300 bank angle V-dihedral plane will thermal 4% slower poly hedral plane 8% slower para bolic wing addition penalty imposed poly hedral parabolic wings steady-state circle another penalty imposed maneu vering circling particular initiat ing roll-out steady-state circle further loads up inboard panel tip loads up polyhedral parabolic wings order leave equal maneuvering margin top existing stall margin polyhedral parabolic wings must flown faster yet V-dihedral wing conclusion draw V-dihedral wings superior ther maling maneuvering thermaling contrast conclusion par abolic polyhedral wings superior steady-state rolling maneuvers mar gin superiority both cases very great important large slow airplanes Spiral stability Spiral stability refers ability airplane roll out cir cle rudder neutralized hold constant circle radius rud der held deflected plane very spirally stable will roll out circle quickly rudder centered will require substantial rudder deflection hold circle will fly straight still PRECISION MODEL PRODUCTS Made U S BARSTOCK ALUMINUM SPINNERS Pan NoSize fl-150B .. 1-1/2 TT-175B .. 1-314 TT-200-B TT-225-B .. 21/4 TT-226-B .. 2114 FAI 11-250-B .. 21/2 TT-251B . 21/2 FAI .. TI-275-B .. 23/4 TI276-B .. 23/4 FAt .. 11-300-B 11301-BFAIl 11325-B .. 3-1/4 l1-350B 3-1/2 11-375-B33/4. 11-400-B4 RetailApprox PriceWeight $1395058 02 149509502 1595100oz 169516002 189515002 189519002 2095170oz 229522002 249520002 269526002 289525002 3695340oz 4995470oz 599552002 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS Pan No Size 11-140-A 28 11-147-A -28/7mm 11-610-A 10mm 11-710-A x 10mm 11-516-A 6-24 11-518-A . 5/16-24/8mm 11-810-A . Ox 10mm 11-825-AOx 125mm 11-375-A3/8-24 11-125-A10 x 125mm RetailApprox PriceWeight $495061 02 495 . 061 oz 495 . 063oz 495OB2oz 49507602 495 .076 02 495076oz 495075 02 595 .ll7oz 595 02 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 October 1988 175

NO OCR TEXT Carver longtime Fast Combat enthusiast manu1cturer stereo equipment year 58 fliers registered down lit tle last year since some would-be entraits getting ready Combat placel World Championships slated August Kiev USSR its excitement setting 13th Annual Bladder Grabber peaceful almost pastoral site meadow beside grass runway country airport Sno homish WA about 15 miles northeast hoot down force parked ricing lot put up know he streamer tied tail hundred points given 8-ft-long crepe paper 6-ft string holding streamerthe flier gets kill page 99 Action eany round urn iwo niers maneu ver position grass field low dust made life easier contestants wart nd nd Day ire simple Two same cirele onoose areas ttw stack models ready sacwhen came easing pilot take home -make foam wings Photos Mary Fitzgerald October1988 97 val izv patch hard passed ants immediately wins match no matter what points Matches can last up five minutes fliers accumulate point second plane air However action air anything simple models fly eye-blurring speeds ends 60-ft lines Looking sounding like enraged hornets air planes circle swoop climb black orange streamers flying engines screaming maneuver position ground action equally frantic fliers dance around center cir cle trying stay out others way keep lines tangling watch airplanes Midair collisions frequent ear splitting noise stops abrupt sudden whoomp sky littered pieces Styrofoam balsawood Crashes common sometimes because flier doesnt pull out dive time often because control lines get tan gled Tangled lines cause five six fly-aways lines snapped mod els became Free Flight Fortunately no hurt no damage done Because Styrofoam balsa carnage high everyone brings half-dozen models contest ensure will have something fly later rounds surprise meet very strong performance Spencer Sheldrew Issaquah WA came second Spencer first saw Bladder Grabber two years ago never built flown model Last year entered first time year leading everyone entered final round competition Although beaten decisively fi nal two matches Steve Kott Wayne MI Kott will fly World Champion ships Kiev still quite tour de force Sheldrews part Going final two matches pres sure Kott because beat Sheldrew twice Bladder Grabber triple elimination contest means flier has lose three times before outand point Kott lost twice Sheidrew oaly once Sheldrew won either two matches Kott would suffer third defeat Sheldrew would win Bladder Grabber Kott succeeded turning tables get ting kill opening seconds both rounds Sheldrew far disap pointed performance set goal making second day Never wildest dreams did think would get far As competitive flying se crets success Fast Combat practice practice Sheidrew room mate Chuck Matheny practice about 10 hours week Like others prac tices Combat models smaller less expensive ones used Bladder Grabber Although planes fast control Continued page 175 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT Adlustable side frames free-flow ventilation Extremely light weight added comfort Blacks harmful aviolet radiation Attractive case included ________Wraparound frame fits comfortably over prescription glasses . Quartz mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Available in Clear shop work $1325 Amber overcast days & late afternoons S14~ Gray $14~ & Mirror S199 sunny days CA Mask S15~ Paint Mask S2045 member club hit grog blade thrown 60 engine close range tig blade struck Safety Plus glasses saved him serious injury gossibly loss ey& incident convinced everyone should wear safety glasses near model airglane engines being run ugEd Saul ces include shipping handlingSecretary Treasurer LnJPE Pikes Peak RO Club See hobby dealer first doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 ORDERS ONLYi -800-842-7233 Cont USI Mississippi 6O1 1924-9640 /MC October 1988 99 N CATALC~ Send FREE catalog see yourself supply over 2700 sizes grades Low Low Prices Density Graded Color-Coded Quality Balsa Satisfaction 100% guaranteed U Full Catalog call send stamned seIfadg1rpcod onnoI. HOBBY * WOODS Lrkin C1vj Ca 93612 209 292-WOC Finally heartfelt salute order beautiful people gave selves make 1988 FAC possible successful addition Maxecuter ganizers special thanks Lin Juanita Reichel Tom Schmitt Bob Clemens Ma rie Rees Connie McSulskis Marian Mann Kathy Thomas Peg Paisley Shirley Kuenz Rich Hensel Pat Jupiter Gerry Helen Paisley Otto Kuhni Claude Powell Paul Spreiregen Western NY FF Society Geneseo National Warplane Museum Peck-Polymers Golden Age Reproduc tions Sea Glen Models Blue Swallow Mod els Flyline Models Flying Scale Inc well unsung volunteer timers go-fers helpers especially en thusiastic thanks superb contes tants willingly shared yourselves keep Free Flight Scale alive well growing Bladder/Weinreich Continued page 99 lines shorter reaction time re quired about same bigger contest models Phil Granderson Portland OR came fourth year has won contest twice before practiced playing video games air hockey also flew plane night training himself con trol model depending sight helps him concentrate opposi tion match Just important practice con struction models proper modifica tion engines wings con structed Styrofoam reinforced bal sa carbon fiber fiberglass strapping tape Stabs built lightness tail booms either built-up ones made carbon fiber arrow shafts Models have wingspans about 4 ft weigh 18 20 oz About half weight accounted engine engine mounts Like other Bladder Grabber partici pants Kott designs own planes re works engines putting brass cylinder liners aluminum pistons modi1ing crankshafts Most engines contest started out life Fox 35s Combat has come long way past 20 years Bob Carver remarked Com paring Combat plane 20 years ago today like comparing Model T new Porsche Carver has fly ing 25 years explained speeds have gone 80 120 mph engine power has risen one-half horsepower two Aerodynamics have changed airfoil shapes different moments better planes can turn tighter accelerate faster performance has improved reminded us has skill level pi lots' Ironically last years Nats winner Mark Smith Ft Worth TX found hes im proved models too much built new planes year quicker faster old ones used did fly well Smith rue fully explained Though didnt place years Bladder Grabber hes no quitter planning return next years Theres something about Combat flying just gets blood Bob Carver continues compete de spite never having won Bladder Grabber although year placed respectable seventh summed up way Its ultimate video game Its flier against another its strategy maneu vering evasion attack Its things actual fighter pilots have Ill give Bob last word too know youve alive says after youve flown Combat match As motto Combat observation would hard improve upon Dihedral/Beron-Rawdon Continued page 106 half-degree penalty polyhedral wing relative V-dihedral wing will force increase speed about 3% degree penalty parabolic wing rel ative V-wing will force 55% increase speed Because dihedral angle yaw angle reciprocal works out changing Equlvalent Dihedral Angle has no effect variations angle attack larger slower planes penalty severe Take 120-in-span 1000in2 25-lb plane thermals 175 ft/sec instance plane must yaw 150 300 bank angle V-dihedral plane will thermal 4% slower poly hedral plane 8% slower para bolic wing addition penalty imposed poly hedral parabolic wings steady-state circle another penalty imposed maneu vering circling particular initiat ing roll-out steady-state circle further loads up inboard panel tip loads up polyhedral parabolic wings order leave equal maneuvering margin top existing stall margin polyhedral parabolic wings must flown faster yet V-dihedral wing conclusion draw V-dihedral wings superior ther maling maneuvering thermaling contrast conclusion par abolic polyhedral wings superior steady-state rolling maneuvers mar gin superiority both cases very great important large slow airplanes Spiral stability Spiral stability refers ability airplane roll out cir cle rudder neutralized hold constant circle radius rud der held deflected plane very spirally stable will roll out circle quickly rudder centered will require substantial rudder deflection hold circle will fly straight still PRECISION MODEL PRODUCTS Made U S BARSTOCK ALUMINUM SPINNERS Pan NoSize fl-150B .. 1-1/2 TT-175B .. 1-314 TT-200-B TT-225-B .. 21/4 TT-226-B .. 2114 FAI 11-250-B .. 21/2 TT-251B . 21/2 FAI .. TI-275-B .. 23/4 TI276-B .. 23/4 FAt .. 11-300-B 11301-BFAIl 11325-B .. 3-1/4 l1-350B 3-1/2 11-375-B33/4. 11-400-B4 RetailApprox PriceWeight $1395058 02 149509502 1595100oz 169516002 189515002 189519002 2095170oz 229522002 249520002 269526002 289525002 3695340oz 4995470oz 599552002 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS Pan No Size 11-140-A 28 11-147-A -28/7mm 11-610-A 10mm 11-710-A x 10mm 11-516-A 6-24 11-518-A . 5/16-24/8mm 11-810-A . Ox 10mm 11-825-AOx 125mm 11-375-A3/8-24 11-125-A10 x 125mm RetailApprox PriceWeight $495061 02 495 . 061 oz 495 . 063oz 495OB2oz 49507602 495 .076 02 495076oz 495075 02 595 .ll7oz 595 02 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 October 1988 175