M AIdr p d ~iJFcThj1llLwfe1iL MY LATE Aunt Albertine musically inclined married director music old Waldorf-Astoria New York City 1920s natural children would become accomplished instrument son however penchant physics son Edward name graduated midst depression 1930s no job sight Edward took government-sponsored physics exam scored second highest nation dont remember details offers employment ensued accepted position original NACA now NASA Langley Field Virginia Edwards associates early wind-tunnel engineering group sister Edward before long married brother-in-law named Abbott cousins full name Edward Albert von Doenhoff wish could claim sorts knowledge gleaned association Edward truth met twice cousin Abbott continued research together wrote original paper published laminar-flow airfoil show small world relating above story Frank Parmenter Tn-City MAC Christmas party year reply finished Yeah wife typed number legendary modeling figures 26 Model Aviation 12822 Tarrytown San Antonio TX 78233 Its 1945 Howard Buesohel prepares Tethered Trainer flight Earl Cayton design state-of-the-art have written about GMAs Peacemaker published Aeromodeller first versiona profile diesel engines Burgess photo Bob Palmer shook up Stunt world Chief design 1949 Nationals Shown amidst rest fleet Len via- iime peea ana eam iiacing oooming ur i riis iae great pains e autnemic burgess pnoio 111gm y 1947 Box Car Chief very popular Stunt trainer Note contrast Thunderbird rear Designed 1946 engine man Dennis Allen British-designed Box Car flown VSC Ill Ron Prentice Super Cyclone 60 powers Wolsey photo also LangleyTaibi Hull Blanchard Parmenter et al Brainbusters Club started bygone era recently celebrated its 50th anniversary Frank Parmenter groups first president according him reunion huge success Frank raised Chicago area immediately remembered name Ed Manthey Ed written Up Around upon seeing photo Iran Smilin Jack Kaufman Lackey Zenith writing Ed related knew Bill Lackey well hut also assisted construction original model went say flying Buzzards Club won Senior division Detroit Nationals 1938 started Baby Cyclones 800-sq-in Hornet 60-powered design first profile Stunter GMA remembers flown Texas Sonny Mullins 1948 power tried Brown Juniors finally Super Cykes Some years ago Smilin Jack Rochette Rosie Reinarz decided build pair Zeniths since less common design Imagine dismay Note long tail moment John Drouillards 1946 Stunt ship An Atwood 60 powered 40-in-span design scene Chicago Illinois September 1992 27 Electric starters arent advisable diesels Bent rods like can also result engines being overcompressed its running Bob r Chiet Special wflicfl powered McCoy 29 engine 1950 AMA Nationals UMAs entry tor tne iu rjaiionais box-stock Veco Chief radialContinued page 86 mounted Orwick 29 engine Left Aldrich let first Chief Special stay home order promote standard Veco kit version chief Note short tail moment arm Right original Nobler first test-flown Note its longer tail moment arm major change previous designs plane marked start what todays Nostalgia Era FINISHING FRIEND SYSTEM ______ LIFETIME GUARANTEE Join family satisfied customers say Radid just model using FFS 71 never build tijother ORDER TODAY CRAFTSMAN MODELS jUSt $3995 1311 East 161st St 317-8969043 Westfield IN 46074 M/C SASE Brochure Up Around Continued page 27 Parmenter immediately identified models Fellow clubmate Russ Snyder said Yeah things went out buffalo next weekend both Zeniths back flying field Buffalo Buffalo II fins Both models still flying OK Super 60s power Rosie placed fifth 30Second Antique 92 SAM Champs Buffalo Im subject Old-Time Free Flight safety problem needs addressed youre setting up flight line normal AMA Free Flight meet make sure cars minimum 100 feet upwind events such OTFE use ROG mode launching model flies directly line cars Launch sites must located ample clearance front rear 300-ft minimum side clearance must also considered youre test-flying two three cars present safest launch site probably right next cars few letters about engines have requested data about port timing use pressurized fuel systems seems term blowdown has bit confusing Simply stated blowdown has cylinder port timing blowdown period difference expressed rotating degrees between total time exhaust port open total time intake port open order know port timing particular engine necessary have method measuring rotation shaft own degree wheel can made simple 3600 plastic protractor solid center preferable allows mounted unlike prop shaft pointer made piece 040 music wire mounted engine lug set degree wheel piston rotated downstroke until top edge exhaust port really accurate remove head shine light down cylinder top edge piston exhaust port can now matched perfectly pointer set zero just two edges coincide rotating piston down through Bottom Dead Center BDC back up until closes exhaust port again can read amount total open exhaust timing wheel check intake port timing reverse light position removing back plate directing beam up bypasses Lets say 1400 recorded exhaust port 1300 intake ports blowdown period 1400130o 100 What looking good Pattern engine CL RC blowdown period 70 12g number ways pressurize fuel system method hear about often uses either crankcase muffler input First off main reason use pressure allow larger venturi thereby gain power Taking crankcase pressure first two typestimed untimed Timed pressure much higher impulse tank made rotor port shaft disk rotor open rotation suction mode Thus timed pressure positive impulses enter pressure line system can cause needle valve setting extremely sensitive sometimes allowing very small movement too rich overlean untimed pressure fitting mounted open inside case time system also produces pressure actually needed Untimed pressure presents additional problem allowing raw fuel reverse-flow back engine causing btdly flooded condition solution overpressurized situation reduce hole size pressure fitting Rather trying deal tiny drills tedious holemaking trick solder hole down required size Select wire required hole size order kits call 1-800-327-7198 log fine kits send $400 Idaho Residents Add 5% State Sales Tax 86 Model Aviation r-irtisrlirig -rieng ysten GUARANTEED help build BE. have lots MORE FUN FF8 secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding covering painting Model touched outside surface IKON offers largest selection giant scale kits world GIANi UML~b 1/4 bUALL U 1/4 UALL 6 006-008 timed pressure 010-012 untimed pressure solder piece fitting After solder has cooled wire easily extracted fitting pair pliers good type fishing leader wire Most material stainless steel prevents solder adhering regular steel smoking match candle will keep wire tinning becoming unmovable untimed pressure easiest desirable high-performance engines does present problem allowing backflow flood engine Careful filling and/or location pressure tube upper front tank can save lot trouble one-way check valve pressure line another solution know available today used market unit about size grain rice slipped inside tubing source dried up years ago anyone knows source Ill gladly pass pages Muffler pressure gives softest impulse first used aid reducing differential deep RC tanks allow larger throttle bore sizes search power Early found much larger hole pressure fitting its connecting tubing required deliver enough pressure make larger bored throttles operate properly found fitting minimum hole size I32 094 needed best location fitting seems rear exhaust casting close out muffler adapter should noted foreign matter fuel line will cause just much trouble pressurized system using suction fact pressure system seems just thing could go wrong unless being used conjunction larger venturi bore gain power 1958 AMA Nationals held Glenview NAS Illinois marked last entry Stunt event first year qualifying circles used also Nationals contestants signed petition throw out scores rerun event FOAM WING CORES U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS IN STOCK FOR IMMEDIATE DELI VER SD IF YOU HAVE mA FAVORITE BIRD THAT NEEDS WING CALL OR WRITE US LOTS OF ARF WING CORES Dont trash after crash i e 309- 3423009 Send $450 catalog if/NG MF 306 E Simmons Galeshurg IL 61401 again next day remember qualifier flew U-Reely did pattern 30-foot pullouts Neither Bill Cummings nor qualified sour grapes didnt really deserve qualify Bill did later spoke Walt Good AMA president promised would never compete again would let run Nationals Stunt events Family job commitments prevented fulfilling promise 1959 thats story another time reason poor performance because engine problem resulted production new release Heres story July 19581 Tulsa Oklahoma deeply involved electromechanical design pilot trainers new Boeing 707 two major airlines made trip Chicago search special counter flight instruments Nationals just sidelight doing some testing Hi Johnson immediately prevailed upon put latest 35 old 57 winner Practice went bad worse 35 would come song rnn wide open no matter what did finalized last official glow plug went south dont mean plug burned outit blew completely out engine threads head stripped out night Navy hangar Hi tore engine down check out listening carping about no ability four-cycle Hi thought bit dumped 35 Taking new parts assembled new engine using 35-cylinder assembly case 29 shaft gave 33 displacement bolted old black Nobler next morning met practice area Hi put 7 x 5 Y&O prop 33 engine started instructions lazy eights possible Some 15 flights later progressed 7 x 5 10 x 6 regular flying prop never ran better Stunt engine Hi put engine out 33S still Continued page 88 ULTIMATE BUSH PLANE NEW VHS VIDEO CATALOG &h Texas es den s please add sales tax US ACor~ 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 2501914 info Quick-Buit Classic 40 Ultimate Bush Plane THE LEADER IN COM PETITION NEW PROPELLERS CYCLE 4100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW NEW HIGH TECH AIRFOIL SECTION lOTO2Oe/5 INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5s/534 634 728334S6 833/,4568 845667 94S6BIsl7½ 104S667 106W 8W 106EW 114677%7/z78 II SW 11 6EW ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4AN 16 678 September1992 87 DIAPITCH THP 1266778 13677/s8 14677/s8 1567 16678 NEW PRO SERIES 3 RC PYLON RACING SERIES 500 DIAPITCH 75N5N 8I677B SERIES 400C 866777 9l7/a7¾ W WIDE BLADE EW EXTRA WIDE N NARROW / V think best Stunt engine Thanks identified Flying Priest name John Quimby Elyria Ohio Are still flying Father will accept phone calls between 600 1000 pm CST Please dont call during business hours just BS about modeling have business run have written sent SASEs know answer mail have added Fax machine 512 656-2021 will answer after about six rings hang up after five wont charged Im away en Age Air Racing Continued page 48 Gee Bee E Sportster Gee Bee E smaller Model Y Jim Jenkinss reproduction considered best built airplanes fly-in regardless category made its first flight later 1991 Howard DGA-3 Pete actual early- 1 930s racer rescued oblivion Bill Turner Ben Howard flew third place 1930 Thompson Trophy Pitts-Style Mufflers uNiVERSAL STRAP ON UNIVERSAL BOLT ON older engines muffler hots side mounted engines Will fit 90% engines made after 1999 Easy attach Just bolt muffler engine wits factory muffler bolts boits SUnnhieti wit muffler Exhaust extensions worm drive mounting strap Included 2945 JT-40P $2195 SI-SI JT-eOP $2396 ASP 91-109 JTA9IP $2496 JT-40P8 29-45 $2295 MAIL OROER se add $250 UPS shipping ChecK MO Visa MC COO accePted Add $400 extra COD California residents add 9% saies tas JT-M10PMAX 911092955 JTSTeePCOMO ST 91-75-552750 JT-ST2SPST 2090-2500-30002955 JT-BCXP05 MAX 900134es JT-5T45PST 045003455 vein QuiET BOLTS OI5ECTLY TO 99099 MOUNTiNO B2LTS EXHAUST iT SOPeEXTENSIONTU9INC AND CLAMPSINCLUDEO 51 61 $2496 aria am Race despite its tiny engine Subsequent spin-offs 1947 Goodyear Racer home-built EAA founder Paul Poberezny plan fly original again soon Howard DGA-4 Mike another original dating back 1932 owned since late 1 940s Joe Binder Fremont Ohio raced 1932 1936 now long-term loan Western Reserve Museum Cleveland no plans fly Howard DGA-5 Ike Also original Ike decades owned Joe Binder stored home Little work has done racer though Binder has plans restore Ike displayed uncovered giving viewers good look construction 1930s racers Ben Howard flew seventh place 1932 Thompson Trophy Race Howard DGA-6 Mr Mulligan reproduction among four Benny Howard racers original crashed 1936 Bendix Trophy Race parts recovered 1970s partially restored reproduction flown world speed record before crashing turn reproduction work Younkin brothers Fayetteville Arkansas flown Oshkosh original historic double win 1935 Ben Howard captured Bendix Trophy Harold Neumann took Thompson Wedell Williams #57 Col Roscoe Turner won two Bendix trophies Thompson trophy gold Pratt & Whitney-powered plane raced 1932 1939 Cleveland area since 1939 restored exhibition Western Reserve Museum Curator Dave Holcombe upped inertia starter several times during fly-in allowing prop turn over letting crowd enjoy special sound Wedell Williams #44 reproduction 1933 Thompson trophy 1934 Bendix trophy winner created Jim Clevenger Budd Davisson owned Davisson plane has display Wedell Williams Memorial Museum Peterson Louisiana has flown times including daily high-speed laps Oshkosh Brown B-i Raced brieflyby Ralph Bushey 1934before being badly damaged accident Brown B-l reincarnated 1947 Goodyear midget racer has long owned Lou Russo Chicago Restoration completed EAA staff Commandaire Little Rocket Joe Araldi Lakeland Florida built reproduction late 1980s advice designer Built 1930 original competed long-distance races 88 Model Aviation WE UP2AUTOMATIC DOOR CYCLING VALVE Actuated standard servo Independent speed control switching struts doors Body size 194 x 118 x 62 weight 23 oz $7465 US CORRECT DOOR SEQUENCE FOR MUSTANGS Also available e truly independent speed controls UP1 ADJUSTABLE SPEED RETRACT VALVE Independant up & down Speed controls price $2495 US Dealer inquiries welcomeShipping$450 Vii ULTRA PRECISION Technical Services Limited 1244 Honeysuckle Crescent Oakville rioL6H 258 CanadaPhone 416 842 1703
Edition: Model Aviation - 1992/09
Page Numbers: 26, 27, 86, 87, 88
M AIdr p d ~iJFcThj1llLwfe1iL MY LATE Aunt Albertine musically inclined married director music old Waldorf-Astoria New York City 1920s natural children would become accomplished instrument son however penchant physics son Edward name graduated midst depression 1930s no job sight Edward took government-sponsored physics exam scored second highest nation dont remember details offers employment ensued accepted position original NACA now NASA Langley Field Virginia Edwards associates early wind-tunnel engineering group sister Edward before long married brother-in-law named Abbott cousins full name Edward Albert von Doenhoff wish could claim sorts knowledge gleaned association Edward truth met twice cousin Abbott continued research together wrote original paper published laminar-flow airfoil show small world relating above story Frank Parmenter Tn-City MAC Christmas party year reply finished Yeah wife typed number legendary modeling figures 26 Model Aviation 12822 Tarrytown San Antonio TX 78233 Its 1945 Howard Buesohel prepares Tethered Trainer flight Earl Cayton design state-of-the-art have written about GMAs Peacemaker published Aeromodeller first versiona profile diesel engines Burgess photo Bob Palmer shook up Stunt world Chief design 1949 Nationals Shown amidst rest fleet Len via- iime peea ana eam iiacing oooming ur i riis iae great pains e autnemic burgess pnoio 111gm y 1947 Box Car Chief very popular Stunt trainer Note contrast Thunderbird rear Designed 1946 engine man Dennis Allen British-designed Box Car flown VSC Ill Ron Prentice Super Cyclone 60 powers Wolsey photo also LangleyTaibi Hull Blanchard Parmenter et al Brainbusters Club started bygone era recently celebrated its 50th anniversary Frank Parmenter groups first president according him reunion huge success Frank raised Chicago area immediately remembered name Ed Manthey Ed written Up Around upon seeing photo Iran Smilin Jack Kaufman Lackey Zenith writing Ed related knew Bill Lackey well hut also assisted construction original model went say flying Buzzards Club won Senior division Detroit Nationals 1938 started Baby Cyclones 800-sq-in Hornet 60-powered design first profile Stunter GMA remembers flown Texas Sonny Mullins 1948 power tried Brown Juniors finally Super Cykes Some years ago Smilin Jack Rochette Rosie Reinarz decided build pair Zeniths since less common design Imagine dismay Note long tail moment John Drouillards 1946 Stunt ship An Atwood 60 powered 40-in-span design scene Chicago Illinois September 1992 27 Electric starters arent advisable diesels Bent rods like can also result engines being overcompressed its running Bob r Chiet Special wflicfl powered McCoy 29 engine 1950 AMA Nationals UMAs entry tor tne iu rjaiionais box-stock Veco Chief radialContinued page 86 mounted Orwick 29 engine Left Aldrich let first Chief Special stay home order promote standard Veco kit version chief Note short tail moment arm Right original Nobler first test-flown Note its longer tail moment arm major change previous designs plane marked start what todays Nostalgia Era FINISHING FRIEND SYSTEM ______ LIFETIME GUARANTEE Join family satisfied customers say Radid just model using FFS 71 never build tijother ORDER TODAY CRAFTSMAN MODELS jUSt $3995 1311 East 161st St 317-8969043 Westfield IN 46074 M/C SASE Brochure Up Around Continued page 27 Parmenter immediately identified models Fellow clubmate Russ Snyder said Yeah things went out buffalo next weekend both Zeniths back flying field Buffalo Buffalo II fins Both models still flying OK Super 60s power Rosie placed fifth 30Second Antique 92 SAM Champs Buffalo Im subject Old-Time Free Flight safety problem needs addressed youre setting up flight line normal AMA Free Flight meet make sure cars minimum 100 feet upwind events such OTFE use ROG mode launching model flies directly line cars Launch sites must located ample clearance front rear 300-ft minimum side clearance must also considered youre test-flying two three cars present safest launch site probably right next cars few letters about engines have requested data about port timing use pressurized fuel systems seems term blowdown has bit confusing Simply stated blowdown has cylinder port timing blowdown period difference expressed rotating degrees between total time exhaust port open total time intake port open order know port timing particular engine necessary have method measuring rotation shaft own degree wheel can made simple 3600 plastic protractor solid center preferable allows mounted unlike prop shaft pointer made piece 040 music wire mounted engine lug set degree wheel piston rotated downstroke until top edge exhaust port really accurate remove head shine light down cylinder top edge piston exhaust port can now matched perfectly pointer set zero just two edges coincide rotating piston down through Bottom Dead Center BDC back up until closes exhaust port again can read amount total open exhaust timing wheel check intake port timing reverse light position removing back plate directing beam up bypasses Lets say 1400 recorded exhaust port 1300 intake ports blowdown period 1400130o 100 What looking good Pattern engine CL RC blowdown period 70 12g number ways pressurize fuel system method hear about often uses either crankcase muffler input First off main reason use pressure allow larger venturi thereby gain power Taking crankcase pressure first two typestimed untimed Timed pressure much higher impulse tank made rotor port shaft disk rotor open rotation suction mode Thus timed pressure positive impulses enter pressure line system can cause needle valve setting extremely sensitive sometimes allowing very small movement too rich overlean untimed pressure fitting mounted open inside case time system also produces pressure actually needed Untimed pressure presents additional problem allowing raw fuel reverse-flow back engine causing btdly flooded condition solution overpressurized situation reduce hole size pressure fitting Rather trying deal tiny drills tedious holemaking trick solder hole down required size Select wire required hole size order kits call 1-800-327-7198 log fine kits send $400 Idaho Residents Add 5% State Sales Tax 86 Model Aviation r-irtisrlirig -rieng ysten GUARANTEED help build BE. have lots MORE FUN FF8 secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding covering painting Model touched outside surface IKON offers largest selection giant scale kits world GIANi UML~b 1/4 bUALL U 1/4 UALL 6 006-008 timed pressure 010-012 untimed pressure solder piece fitting After solder has cooled wire easily extracted fitting pair pliers good type fishing leader wire Most material stainless steel prevents solder adhering regular steel smoking match candle will keep wire tinning becoming unmovable untimed pressure easiest desirable high-performance engines does present problem allowing backflow flood engine Careful filling and/or location pressure tube upper front tank can save lot trouble one-way check valve pressure line another solution know available today used market unit about size grain rice slipped inside tubing source dried up years ago anyone knows source Ill gladly pass pages Muffler pressure gives softest impulse first used aid reducing differential deep RC tanks allow larger throttle bore sizes search power Early found much larger hole pressure fitting its connecting tubing required deliver enough pressure make larger bored throttles operate properly found fitting minimum hole size I32 094 needed best location fitting seems rear exhaust casting close out muffler adapter should noted foreign matter fuel line will cause just much trouble pressurized system using suction fact pressure system seems just thing could go wrong unless being used conjunction larger venturi bore gain power 1958 AMA Nationals held Glenview NAS Illinois marked last entry Stunt event first year qualifying circles used also Nationals contestants signed petition throw out scores rerun event FOAM WING CORES U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS IN STOCK FOR IMMEDIATE DELI VER SD IF YOU HAVE mA FAVORITE BIRD THAT NEEDS WING CALL OR WRITE US LOTS OF ARF WING CORES Dont trash after crash i e 309- 3423009 Send $450 catalog if/NG MF 306 E Simmons Galeshurg IL 61401 again next day remember qualifier flew U-Reely did pattern 30-foot pullouts Neither Bill Cummings nor qualified sour grapes didnt really deserve qualify Bill did later spoke Walt Good AMA president promised would never compete again would let run Nationals Stunt events Family job commitments prevented fulfilling promise 1959 thats story another time reason poor performance because engine problem resulted production new release Heres story July 19581 Tulsa Oklahoma deeply involved electromechanical design pilot trainers new Boeing 707 two major airlines made trip Chicago search special counter flight instruments Nationals just sidelight doing some testing Hi Johnson immediately prevailed upon put latest 35 old 57 winner Practice went bad worse 35 would come song rnn wide open no matter what did finalized last official glow plug went south dont mean plug burned outit blew completely out engine threads head stripped out night Navy hangar Hi tore engine down check out listening carping about no ability four-cycle Hi thought bit dumped 35 Taking new parts assembled new engine using 35-cylinder assembly case 29 shaft gave 33 displacement bolted old black Nobler next morning met practice area Hi put 7 x 5 Y&O prop 33 engine started instructions lazy eights possible Some 15 flights later progressed 7 x 5 10 x 6 regular flying prop never ran better Stunt engine Hi put engine out 33S still Continued page 88 ULTIMATE BUSH PLANE NEW VHS VIDEO CATALOG &h Texas es den s please add sales tax US ACor~ 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 2501914 info Quick-Buit Classic 40 Ultimate Bush Plane THE LEADER IN COM PETITION NEW PROPELLERS CYCLE 4100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW NEW HIGH TECH AIRFOIL SECTION lOTO2Oe/5 INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5s/534 634 728334S6 833/,4568 845667 94S6BIsl7½ 104S667 106W 8W 106EW 114677%7/z78 II SW 11 6EW ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4AN 16 678 September1992 87 DIAPITCH THP 1266778 13677/s8 14677/s8 1567 16678 NEW PRO SERIES 3 RC PYLON RACING SERIES 500 DIAPITCH 75N5N 8I677B SERIES 400C 866777 9l7/a7¾ W WIDE BLADE EW EXTRA WIDE N NARROW / V think best Stunt engine Thanks identified Flying Priest name John Quimby Elyria Ohio Are still flying Father will accept phone calls between 600 1000 pm CST Please dont call during business hours just BS about modeling have business run have written sent SASEs know answer mail have added Fax machine 512 656-2021 will answer after about six rings hang up after five wont charged Im away en Age Air Racing Continued page 48 Gee Bee E Sportster Gee Bee E smaller Model Y Jim Jenkinss reproduction considered best built airplanes fly-in regardless category made its first flight later 1991 Howard DGA-3 Pete actual early- 1 930s racer rescued oblivion Bill Turner Ben Howard flew third place 1930 Thompson Trophy Pitts-Style Mufflers uNiVERSAL STRAP ON UNIVERSAL BOLT ON older engines muffler hots side mounted engines Will fit 90% engines made after 1999 Easy attach Just bolt muffler engine wits factory muffler bolts boits SUnnhieti wit muffler Exhaust extensions worm drive mounting strap Included 2945 JT-40P $2195 SI-SI JT-eOP $2396 ASP 91-109 JTA9IP $2496 JT-40P8 29-45 $2295 MAIL OROER se add $250 UPS shipping ChecK MO Visa MC COO accePted Add $400 extra COD California residents add 9% saies tas JT-M10PMAX 911092955 JTSTeePCOMO ST 91-75-552750 JT-ST2SPST 2090-2500-30002955 JT-BCXP05 MAX 900134es JT-5T45PST 045003455 vein QuiET BOLTS OI5ECTLY TO 99099 MOUNTiNO B2LTS EXHAUST iT SOPeEXTENSIONTU9INC AND CLAMPSINCLUDEO 51 61 $2496 aria am Race despite its tiny engine Subsequent spin-offs 1947 Goodyear Racer home-built EAA founder Paul Poberezny plan fly original again soon Howard DGA-4 Mike another original dating back 1932 owned since late 1 940s Joe Binder Fremont Ohio raced 1932 1936 now long-term loan Western Reserve Museum Cleveland no plans fly Howard DGA-5 Ike Also original Ike decades owned Joe Binder stored home Little work has done racer though Binder has plans restore Ike displayed uncovered giving viewers good look construction 1930s racers Ben Howard flew seventh place 1932 Thompson Trophy Race Howard DGA-6 Mr Mulligan reproduction among four Benny Howard racers original crashed 1936 Bendix Trophy Race parts recovered 1970s partially restored reproduction flown world speed record before crashing turn reproduction work Younkin brothers Fayetteville Arkansas flown Oshkosh original historic double win 1935 Ben Howard captured Bendix Trophy Harold Neumann took Thompson Wedell Williams #57 Col Roscoe Turner won two Bendix trophies Thompson trophy gold Pratt & Whitney-powered plane raced 1932 1939 Cleveland area since 1939 restored exhibition Western Reserve Museum Curator Dave Holcombe upped inertia starter several times during fly-in allowing prop turn over letting crowd enjoy special sound Wedell Williams #44 reproduction 1933 Thompson trophy 1934 Bendix trophy winner created Jim Clevenger Budd Davisson owned Davisson plane has display Wedell Williams Memorial Museum Peterson Louisiana has flown times including daily high-speed laps Oshkosh Brown B-i Raced brieflyby Ralph Bushey 1934before being badly damaged accident Brown B-l reincarnated 1947 Goodyear midget racer has long owned Lou Russo Chicago Restoration completed EAA staff Commandaire Little Rocket Joe Araldi Lakeland Florida built reproduction late 1980s advice designer Built 1930 original competed long-distance races 88 Model Aviation WE UP2AUTOMATIC DOOR CYCLING VALVE Actuated standard servo Independent speed control switching struts doors Body size 194 x 118 x 62 weight 23 oz $7465 US CORRECT DOOR SEQUENCE FOR MUSTANGS Also available e truly independent speed controls UP1 ADJUSTABLE SPEED RETRACT VALVE Independant up & down Speed controls price $2495 US Dealer inquiries welcomeShipping$450 Vii ULTRA PRECISION Technical Services Limited 1244 Honeysuckle Crescent Oakville rioL6H 258 CanadaPhone 416 842 1703
Edition: Model Aviation - 1992/09
Page Numbers: 26, 27, 86, 87, 88
M AIdr p d ~iJFcThj1llLwfe1iL MY LATE Aunt Albertine musically inclined married director music old Waldorf-Astoria New York City 1920s natural children would become accomplished instrument son however penchant physics son Edward name graduated midst depression 1930s no job sight Edward took government-sponsored physics exam scored second highest nation dont remember details offers employment ensued accepted position original NACA now NASA Langley Field Virginia Edwards associates early wind-tunnel engineering group sister Edward before long married brother-in-law named Abbott cousins full name Edward Albert von Doenhoff wish could claim sorts knowledge gleaned association Edward truth met twice cousin Abbott continued research together wrote original paper published laminar-flow airfoil show small world relating above story Frank Parmenter Tn-City MAC Christmas party year reply finished Yeah wife typed number legendary modeling figures 26 Model Aviation 12822 Tarrytown San Antonio TX 78233 Its 1945 Howard Buesohel prepares Tethered Trainer flight Earl Cayton design state-of-the-art have written about GMAs Peacemaker published Aeromodeller first versiona profile diesel engines Burgess photo Bob Palmer shook up Stunt world Chief design 1949 Nationals Shown amidst rest fleet Len via- iime peea ana eam iiacing oooming ur i riis iae great pains e autnemic burgess pnoio 111gm y 1947 Box Car Chief very popular Stunt trainer Note contrast Thunderbird rear Designed 1946 engine man Dennis Allen British-designed Box Car flown VSC Ill Ron Prentice Super Cyclone 60 powers Wolsey photo also LangleyTaibi Hull Blanchard Parmenter et al Brainbusters Club started bygone era recently celebrated its 50th anniversary Frank Parmenter groups first president according him reunion huge success Frank raised Chicago area immediately remembered name Ed Manthey Ed written Up Around upon seeing photo Iran Smilin Jack Kaufman Lackey Zenith writing Ed related knew Bill Lackey well hut also assisted construction original model went say flying Buzzards Club won Senior division Detroit Nationals 1938 started Baby Cyclones 800-sq-in Hornet 60-powered design first profile Stunter GMA remembers flown Texas Sonny Mullins 1948 power tried Brown Juniors finally Super Cykes Some years ago Smilin Jack Rochette Rosie Reinarz decided build pair Zeniths since less common design Imagine dismay Note long tail moment John Drouillards 1946 Stunt ship An Atwood 60 powered 40-in-span design scene Chicago Illinois September 1992 27 Electric starters arent advisable diesels Bent rods like can also result engines being overcompressed its running Bob r Chiet Special wflicfl powered McCoy 29 engine 1950 AMA Nationals UMAs entry tor tne iu rjaiionais box-stock Veco Chief radialContinued page 86 mounted Orwick 29 engine Left Aldrich let first Chief Special stay home order promote standard Veco kit version chief Note short tail moment arm Right original Nobler first test-flown Note its longer tail moment arm major change previous designs plane marked start what todays Nostalgia Era FINISHING FRIEND SYSTEM ______ LIFETIME GUARANTEE Join family satisfied customers say Radid just model using FFS 71 never build tijother ORDER TODAY CRAFTSMAN MODELS jUSt $3995 1311 East 161st St 317-8969043 Westfield IN 46074 M/C SASE Brochure Up Around Continued page 27 Parmenter immediately identified models Fellow clubmate Russ Snyder said Yeah things went out buffalo next weekend both Zeniths back flying field Buffalo Buffalo II fins Both models still flying OK Super 60s power Rosie placed fifth 30Second Antique 92 SAM Champs Buffalo Im subject Old-Time Free Flight safety problem needs addressed youre setting up flight line normal AMA Free Flight meet make sure cars minimum 100 feet upwind events such OTFE use ROG mode launching model flies directly line cars Launch sites must located ample clearance front rear 300-ft minimum side clearance must also considered youre test-flying two three cars present safest launch site probably right next cars few letters about engines have requested data about port timing use pressurized fuel systems seems term blowdown has bit confusing Simply stated blowdown has cylinder port timing blowdown period difference expressed rotating degrees between total time exhaust port open total time intake port open order know port timing particular engine necessary have method measuring rotation shaft own degree wheel can made simple 3600 plastic protractor solid center preferable allows mounted unlike prop shaft pointer made piece 040 music wire mounted engine lug set degree wheel piston rotated downstroke until top edge exhaust port really accurate remove head shine light down cylinder top edge piston exhaust port can now matched perfectly pointer set zero just two edges coincide rotating piston down through Bottom Dead Center BDC back up until closes exhaust port again can read amount total open exhaust timing wheel check intake port timing reverse light position removing back plate directing beam up bypasses Lets say 1400 recorded exhaust port 1300 intake ports blowdown period 1400130o 100 What looking good Pattern engine CL RC blowdown period 70 12g number ways pressurize fuel system method hear about often uses either crankcase muffler input First off main reason use pressure allow larger venturi thereby gain power Taking crankcase pressure first two typestimed untimed Timed pressure much higher impulse tank made rotor port shaft disk rotor open rotation suction mode Thus timed pressure positive impulses enter pressure line system can cause needle valve setting extremely sensitive sometimes allowing very small movement too rich overlean untimed pressure fitting mounted open inside case time system also produces pressure actually needed Untimed pressure presents additional problem allowing raw fuel reverse-flow back engine causing btdly flooded condition solution overpressurized situation reduce hole size pressure fitting Rather trying deal tiny drills tedious holemaking trick solder hole down required size Select wire required hole size order kits call 1-800-327-7198 log fine kits send $400 Idaho Residents Add 5% State Sales Tax 86 Model Aviation r-irtisrlirig -rieng ysten GUARANTEED help build BE. have lots MORE FUN FF8 secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding covering painting Model touched outside surface IKON offers largest selection giant scale kits world GIANi UML~b 1/4 bUALL U 1/4 UALL 6 006-008 timed pressure 010-012 untimed pressure solder piece fitting After solder has cooled wire easily extracted fitting pair pliers good type fishing leader wire Most material stainless steel prevents solder adhering regular steel smoking match candle will keep wire tinning becoming unmovable untimed pressure easiest desirable high-performance engines does present problem allowing backflow flood engine Careful filling and/or location pressure tube upper front tank can save lot trouble one-way check valve pressure line another solution know available today used market unit about size grain rice slipped inside tubing source dried up years ago anyone knows source Ill gladly pass pages Muffler pressure gives softest impulse first used aid reducing differential deep RC tanks allow larger throttle bore sizes search power Early found much larger hole pressure fitting its connecting tubing required deliver enough pressure make larger bored throttles operate properly found fitting minimum hole size I32 094 needed best location fitting seems rear exhaust casting close out muffler adapter should noted foreign matter fuel line will cause just much trouble pressurized system using suction fact pressure system seems just thing could go wrong unless being used conjunction larger venturi bore gain power 1958 AMA Nationals held Glenview NAS Illinois marked last entry Stunt event first year qualifying circles used also Nationals contestants signed petition throw out scores rerun event FOAM WING CORES U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS IN STOCK FOR IMMEDIATE DELI VER SD IF YOU HAVE mA FAVORITE BIRD THAT NEEDS WING CALL OR WRITE US LOTS OF ARF WING CORES Dont trash after crash i e 309- 3423009 Send $450 catalog if/NG MF 306 E Simmons Galeshurg IL 61401 again next day remember qualifier flew U-Reely did pattern 30-foot pullouts Neither Bill Cummings nor qualified sour grapes didnt really deserve qualify Bill did later spoke Walt Good AMA president promised would never compete again would let run Nationals Stunt events Family job commitments prevented fulfilling promise 1959 thats story another time reason poor performance because engine problem resulted production new release Heres story July 19581 Tulsa Oklahoma deeply involved electromechanical design pilot trainers new Boeing 707 two major airlines made trip Chicago search special counter flight instruments Nationals just sidelight doing some testing Hi Johnson immediately prevailed upon put latest 35 old 57 winner Practice went bad worse 35 would come song rnn wide open no matter what did finalized last official glow plug went south dont mean plug burned outit blew completely out engine threads head stripped out night Navy hangar Hi tore engine down check out listening carping about no ability four-cycle Hi thought bit dumped 35 Taking new parts assembled new engine using 35-cylinder assembly case 29 shaft gave 33 displacement bolted old black Nobler next morning met practice area Hi put 7 x 5 Y&O prop 33 engine started instructions lazy eights possible Some 15 flights later progressed 7 x 5 10 x 6 regular flying prop never ran better Stunt engine Hi put engine out 33S still Continued page 88 ULTIMATE BUSH PLANE NEW VHS VIDEO CATALOG &h Texas es den s please add sales tax US ACor~ 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 2501914 info Quick-Buit Classic 40 Ultimate Bush Plane THE LEADER IN COM PETITION NEW PROPELLERS CYCLE 4100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW NEW HIGH TECH AIRFOIL SECTION lOTO2Oe/5 INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5s/534 634 728334S6 833/,4568 845667 94S6BIsl7½ 104S667 106W 8W 106EW 114677%7/z78 II SW 11 6EW ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4AN 16 678 September1992 87 DIAPITCH THP 1266778 13677/s8 14677/s8 1567 16678 NEW PRO SERIES 3 RC PYLON RACING SERIES 500 DIAPITCH 75N5N 8I677B SERIES 400C 866777 9l7/a7¾ W WIDE BLADE EW EXTRA WIDE N NARROW / V think best Stunt engine Thanks identified Flying Priest name John Quimby Elyria Ohio Are still flying Father will accept phone calls between 600 1000 pm CST Please dont call during business hours just BS about modeling have business run have written sent SASEs know answer mail have added Fax machine 512 656-2021 will answer after about six rings hang up after five wont charged Im away en Age Air Racing Continued page 48 Gee Bee E Sportster Gee Bee E smaller Model Y Jim Jenkinss reproduction considered best built airplanes fly-in regardless category made its first flight later 1991 Howard DGA-3 Pete actual early- 1 930s racer rescued oblivion Bill Turner Ben Howard flew third place 1930 Thompson Trophy Pitts-Style Mufflers uNiVERSAL STRAP ON UNIVERSAL BOLT ON older engines muffler hots side mounted engines Will fit 90% engines made after 1999 Easy attach Just bolt muffler engine wits factory muffler bolts boits SUnnhieti wit muffler Exhaust extensions worm drive mounting strap Included 2945 JT-40P $2195 SI-SI JT-eOP $2396 ASP 91-109 JTA9IP $2496 JT-40P8 29-45 $2295 MAIL OROER se add $250 UPS shipping ChecK MO Visa MC COO accePted Add $400 extra COD California residents add 9% saies tas JT-M10PMAX 911092955 JTSTeePCOMO ST 91-75-552750 JT-ST2SPST 2090-2500-30002955 JT-BCXP05 MAX 900134es JT-5T45PST 045003455 vein QuiET BOLTS OI5ECTLY TO 99099 MOUNTiNO B2LTS EXHAUST iT SOPeEXTENSIONTU9INC AND CLAMPSINCLUDEO 51 61 $2496 aria am Race despite its tiny engine Subsequent spin-offs 1947 Goodyear Racer home-built EAA founder Paul Poberezny plan fly original again soon Howard DGA-4 Mike another original dating back 1932 owned since late 1 940s Joe Binder Fremont Ohio raced 1932 1936 now long-term loan Western Reserve Museum Cleveland no plans fly Howard DGA-5 Ike Also original Ike decades owned Joe Binder stored home Little work has done racer though Binder has plans restore Ike displayed uncovered giving viewers good look construction 1930s racers Ben Howard flew seventh place 1932 Thompson Trophy Race Howard DGA-6 Mr Mulligan reproduction among four Benny Howard racers original crashed 1936 Bendix Trophy Race parts recovered 1970s partially restored reproduction flown world speed record before crashing turn reproduction work Younkin brothers Fayetteville Arkansas flown Oshkosh original historic double win 1935 Ben Howard captured Bendix Trophy Harold Neumann took Thompson Wedell Williams #57 Col Roscoe Turner won two Bendix trophies Thompson trophy gold Pratt & Whitney-powered plane raced 1932 1939 Cleveland area since 1939 restored exhibition Western Reserve Museum Curator Dave Holcombe upped inertia starter several times during fly-in allowing prop turn over letting crowd enjoy special sound Wedell Williams #44 reproduction 1933 Thompson trophy 1934 Bendix trophy winner created Jim Clevenger Budd Davisson owned Davisson plane has display Wedell Williams Memorial Museum Peterson Louisiana has flown times including daily high-speed laps Oshkosh Brown B-i Raced brieflyby Ralph Bushey 1934before being badly damaged accident Brown B-l reincarnated 1947 Goodyear midget racer has long owned Lou Russo Chicago Restoration completed EAA staff Commandaire Little Rocket Joe Araldi Lakeland Florida built reproduction late 1980s advice designer Built 1930 original competed long-distance races 88 Model Aviation WE UP2AUTOMATIC DOOR CYCLING VALVE Actuated standard servo Independent speed control switching struts doors Body size 194 x 118 x 62 weight 23 oz $7465 US CORRECT DOOR SEQUENCE FOR MUSTANGS Also available e truly independent speed controls UP1 ADJUSTABLE SPEED RETRACT VALVE Independant up & down Speed controls price $2495 US Dealer inquiries welcomeShipping$450 Vii ULTRA PRECISION Technical Services Limited 1244 Honeysuckle Crescent Oakville rioL6H 258 CanadaPhone 416 842 1703
Edition: Model Aviation - 1992/09
Page Numbers: 26, 27, 86, 87, 88
M AIdr p d ~iJFcThj1llLwfe1iL MY LATE Aunt Albertine musically inclined married director music old Waldorf-Astoria New York City 1920s natural children would become accomplished instrument son however penchant physics son Edward name graduated midst depression 1930s no job sight Edward took government-sponsored physics exam scored second highest nation dont remember details offers employment ensued accepted position original NACA now NASA Langley Field Virginia Edwards associates early wind-tunnel engineering group sister Edward before long married brother-in-law named Abbott cousins full name Edward Albert von Doenhoff wish could claim sorts knowledge gleaned association Edward truth met twice cousin Abbott continued research together wrote original paper published laminar-flow airfoil show small world relating above story Frank Parmenter Tn-City MAC Christmas party year reply finished Yeah wife typed number legendary modeling figures 26 Model Aviation 12822 Tarrytown San Antonio TX 78233 Its 1945 Howard Buesohel prepares Tethered Trainer flight Earl Cayton design state-of-the-art have written about GMAs Peacemaker published Aeromodeller first versiona profile diesel engines Burgess photo Bob Palmer shook up Stunt world Chief design 1949 Nationals Shown amidst rest fleet Len via- iime peea ana eam iiacing oooming ur i riis iae great pains e autnemic burgess pnoio 111gm y 1947 Box Car Chief very popular Stunt trainer Note contrast Thunderbird rear Designed 1946 engine man Dennis Allen British-designed Box Car flown VSC Ill Ron Prentice Super Cyclone 60 powers Wolsey photo also LangleyTaibi Hull Blanchard Parmenter et al Brainbusters Club started bygone era recently celebrated its 50th anniversary Frank Parmenter groups first president according him reunion huge success Frank raised Chicago area immediately remembered name Ed Manthey Ed written Up Around upon seeing photo Iran Smilin Jack Kaufman Lackey Zenith writing Ed related knew Bill Lackey well hut also assisted construction original model went say flying Buzzards Club won Senior division Detroit Nationals 1938 started Baby Cyclones 800-sq-in Hornet 60-powered design first profile Stunter GMA remembers flown Texas Sonny Mullins 1948 power tried Brown Juniors finally Super Cykes Some years ago Smilin Jack Rochette Rosie Reinarz decided build pair Zeniths since less common design Imagine dismay Note long tail moment John Drouillards 1946 Stunt ship An Atwood 60 powered 40-in-span design scene Chicago Illinois September 1992 27 Electric starters arent advisable diesels Bent rods like can also result engines being overcompressed its running Bob r Chiet Special wflicfl powered McCoy 29 engine 1950 AMA Nationals UMAs entry tor tne iu rjaiionais box-stock Veco Chief radialContinued page 86 mounted Orwick 29 engine Left Aldrich let first Chief Special stay home order promote standard Veco kit version chief Note short tail moment arm Right original Nobler first test-flown Note its longer tail moment arm major change previous designs plane marked start what todays Nostalgia Era FINISHING FRIEND SYSTEM ______ LIFETIME GUARANTEE Join family satisfied customers say Radid just model using FFS 71 never build tijother ORDER TODAY CRAFTSMAN MODELS jUSt $3995 1311 East 161st St 317-8969043 Westfield IN 46074 M/C SASE Brochure Up Around Continued page 27 Parmenter immediately identified models Fellow clubmate Russ Snyder said Yeah things went out buffalo next weekend both Zeniths back flying field Buffalo Buffalo II fins Both models still flying OK Super 60s power Rosie placed fifth 30Second Antique 92 SAM Champs Buffalo Im subject Old-Time Free Flight safety problem needs addressed youre setting up flight line normal AMA Free Flight meet make sure cars minimum 100 feet upwind events such OTFE use ROG mode launching model flies directly line cars Launch sites must located ample clearance front rear 300-ft minimum side clearance must also considered youre test-flying two three cars present safest launch site probably right next cars few letters about engines have requested data about port timing use pressurized fuel systems seems term blowdown has bit confusing Simply stated blowdown has cylinder port timing blowdown period difference expressed rotating degrees between total time exhaust port open total time intake port open order know port timing particular engine necessary have method measuring rotation shaft own degree wheel can made simple 3600 plastic protractor solid center preferable allows mounted unlike prop shaft pointer made piece 040 music wire mounted engine lug set degree wheel piston rotated downstroke until top edge exhaust port really accurate remove head shine light down cylinder top edge piston exhaust port can now matched perfectly pointer set zero just two edges coincide rotating piston down through Bottom Dead Center BDC back up until closes exhaust port again can read amount total open exhaust timing wheel check intake port timing reverse light position removing back plate directing beam up bypasses Lets say 1400 recorded exhaust port 1300 intake ports blowdown period 1400130o 100 What looking good Pattern engine CL RC blowdown period 70 12g number ways pressurize fuel system method hear about often uses either crankcase muffler input First off main reason use pressure allow larger venturi thereby gain power Taking crankcase pressure first two typestimed untimed Timed pressure much higher impulse tank made rotor port shaft disk rotor open rotation suction mode Thus timed pressure positive impulses enter pressure line system can cause needle valve setting extremely sensitive sometimes allowing very small movement too rich overlean untimed pressure fitting mounted open inside case time system also produces pressure actually needed Untimed pressure presents additional problem allowing raw fuel reverse-flow back engine causing btdly flooded condition solution overpressurized situation reduce hole size pressure fitting Rather trying deal tiny drills tedious holemaking trick solder hole down required size Select wire required hole size order kits call 1-800-327-7198 log fine kits send $400 Idaho Residents Add 5% State Sales Tax 86 Model Aviation r-irtisrlirig -rieng ysten GUARANTEED help build BE. have lots MORE FUN FF8 secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding covering painting Model touched outside surface IKON offers largest selection giant scale kits world GIANi UML~b 1/4 bUALL U 1/4 UALL 6 006-008 timed pressure 010-012 untimed pressure solder piece fitting After solder has cooled wire easily extracted fitting pair pliers good type fishing leader wire Most material stainless steel prevents solder adhering regular steel smoking match candle will keep wire tinning becoming unmovable untimed pressure easiest desirable high-performance engines does present problem allowing backflow flood engine Careful filling and/or location pressure tube upper front tank can save lot trouble one-way check valve pressure line another solution know available today used market unit about size grain rice slipped inside tubing source dried up years ago anyone knows source Ill gladly pass pages Muffler pressure gives softest impulse first used aid reducing differential deep RC tanks allow larger throttle bore sizes search power Early found much larger hole pressure fitting its connecting tubing required deliver enough pressure make larger bored throttles operate properly found fitting minimum hole size I32 094 needed best location fitting seems rear exhaust casting close out muffler adapter should noted foreign matter fuel line will cause just much trouble pressurized system using suction fact pressure system seems just thing could go wrong unless being used conjunction larger venturi bore gain power 1958 AMA Nationals held Glenview NAS Illinois marked last entry Stunt event first year qualifying circles used also Nationals contestants signed petition throw out scores rerun event FOAM WING CORES U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS IN STOCK FOR IMMEDIATE DELI VER SD IF YOU HAVE mA FAVORITE BIRD THAT NEEDS WING CALL OR WRITE US LOTS OF ARF WING CORES Dont trash after crash i e 309- 3423009 Send $450 catalog if/NG MF 306 E Simmons Galeshurg IL 61401 again next day remember qualifier flew U-Reely did pattern 30-foot pullouts Neither Bill Cummings nor qualified sour grapes didnt really deserve qualify Bill did later spoke Walt Good AMA president promised would never compete again would let run Nationals Stunt events Family job commitments prevented fulfilling promise 1959 thats story another time reason poor performance because engine problem resulted production new release Heres story July 19581 Tulsa Oklahoma deeply involved electromechanical design pilot trainers new Boeing 707 two major airlines made trip Chicago search special counter flight instruments Nationals just sidelight doing some testing Hi Johnson immediately prevailed upon put latest 35 old 57 winner Practice went bad worse 35 would come song rnn wide open no matter what did finalized last official glow plug went south dont mean plug burned outit blew completely out engine threads head stripped out night Navy hangar Hi tore engine down check out listening carping about no ability four-cycle Hi thought bit dumped 35 Taking new parts assembled new engine using 35-cylinder assembly case 29 shaft gave 33 displacement bolted old black Nobler next morning met practice area Hi put 7 x 5 Y&O prop 33 engine started instructions lazy eights possible Some 15 flights later progressed 7 x 5 10 x 6 regular flying prop never ran better Stunt engine Hi put engine out 33S still Continued page 88 ULTIMATE BUSH PLANE NEW VHS VIDEO CATALOG &h Texas es den s please add sales tax US ACor~ 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 2501914 info Quick-Buit Classic 40 Ultimate Bush Plane THE LEADER IN COM PETITION NEW PROPELLERS CYCLE 4100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW NEW HIGH TECH AIRFOIL SECTION lOTO2Oe/5 INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5s/534 634 728334S6 833/,4568 845667 94S6BIsl7½ 104S667 106W 8W 106EW 114677%7/z78 II SW 11 6EW ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4AN 16 678 September1992 87 DIAPITCH THP 1266778 13677/s8 14677/s8 1567 16678 NEW PRO SERIES 3 RC PYLON RACING SERIES 500 DIAPITCH 75N5N 8I677B SERIES 400C 866777 9l7/a7¾ W WIDE BLADE EW EXTRA WIDE N NARROW / V think best Stunt engine Thanks identified Flying Priest name John Quimby Elyria Ohio Are still flying Father will accept phone calls between 600 1000 pm CST Please dont call during business hours just BS about modeling have business run have written sent SASEs know answer mail have added Fax machine 512 656-2021 will answer after about six rings hang up after five wont charged Im away en Age Air Racing Continued page 48 Gee Bee E Sportster Gee Bee E smaller Model Y Jim Jenkinss reproduction considered best built airplanes fly-in regardless category made its first flight later 1991 Howard DGA-3 Pete actual early- 1 930s racer rescued oblivion Bill Turner Ben Howard flew third place 1930 Thompson Trophy Pitts-Style Mufflers uNiVERSAL STRAP ON UNIVERSAL BOLT ON older engines muffler hots side mounted engines Will fit 90% engines made after 1999 Easy attach Just bolt muffler engine wits factory muffler bolts boits SUnnhieti wit muffler Exhaust extensions worm drive mounting strap Included 2945 JT-40P $2195 SI-SI JT-eOP $2396 ASP 91-109 JTA9IP $2496 JT-40P8 29-45 $2295 MAIL OROER se add $250 UPS shipping ChecK MO Visa MC COO accePted Add $400 extra COD California residents add 9% saies tas JT-M10PMAX 911092955 JTSTeePCOMO ST 91-75-552750 JT-ST2SPST 2090-2500-30002955 JT-BCXP05 MAX 900134es JT-5T45PST 045003455 vein QuiET BOLTS OI5ECTLY TO 99099 MOUNTiNO B2LTS EXHAUST iT SOPeEXTENSIONTU9INC AND CLAMPSINCLUDEO 51 61 $2496 aria am Race despite its tiny engine Subsequent spin-offs 1947 Goodyear Racer home-built EAA founder Paul Poberezny plan fly original again soon Howard DGA-4 Mike another original dating back 1932 owned since late 1 940s Joe Binder Fremont Ohio raced 1932 1936 now long-term loan Western Reserve Museum Cleveland no plans fly Howard DGA-5 Ike Also original Ike decades owned Joe Binder stored home Little work has done racer though Binder has plans restore Ike displayed uncovered giving viewers good look construction 1930s racers Ben Howard flew seventh place 1932 Thompson Trophy Race Howard DGA-6 Mr Mulligan reproduction among four Benny Howard racers original crashed 1936 Bendix Trophy Race parts recovered 1970s partially restored reproduction flown world speed record before crashing turn reproduction work Younkin brothers Fayetteville Arkansas flown Oshkosh original historic double win 1935 Ben Howard captured Bendix Trophy Harold Neumann took Thompson Wedell Williams #57 Col Roscoe Turner won two Bendix trophies Thompson trophy gold Pratt & Whitney-powered plane raced 1932 1939 Cleveland area since 1939 restored exhibition Western Reserve Museum Curator Dave Holcombe upped inertia starter several times during fly-in allowing prop turn over letting crowd enjoy special sound Wedell Williams #44 reproduction 1933 Thompson trophy 1934 Bendix trophy winner created Jim Clevenger Budd Davisson owned Davisson plane has display Wedell Williams Memorial Museum Peterson Louisiana has flown times including daily high-speed laps Oshkosh Brown B-i Raced brieflyby Ralph Bushey 1934before being badly damaged accident Brown B-l reincarnated 1947 Goodyear midget racer has long owned Lou Russo Chicago Restoration completed EAA staff Commandaire Little Rocket Joe Araldi Lakeland Florida built reproduction late 1980s advice designer Built 1930 original competed long-distance races 88 Model Aviation WE UP2AUTOMATIC DOOR CYCLING VALVE Actuated standard servo Independent speed control switching struts doors Body size 194 x 118 x 62 weight 23 oz $7465 US CORRECT DOOR SEQUENCE FOR MUSTANGS Also available e truly independent speed controls UP1 ADJUSTABLE SPEED RETRACT VALVE Independant up & down Speed controls price $2495 US Dealer inquiries welcomeShipping$450 Vii ULTRA PRECISION Technical Services Limited 1244 Honeysuckle Crescent Oakville rioL6H 258 CanadaPhone 416 842 1703
Edition: Model Aviation - 1992/09
Page Numbers: 26, 27, 86, 87, 88
M AIdr p d ~iJFcThj1llLwfe1iL MY LATE Aunt Albertine musically inclined married director music old Waldorf-Astoria New York City 1920s natural children would become accomplished instrument son however penchant physics son Edward name graduated midst depression 1930s no job sight Edward took government-sponsored physics exam scored second highest nation dont remember details offers employment ensued accepted position original NACA now NASA Langley Field Virginia Edwards associates early wind-tunnel engineering group sister Edward before long married brother-in-law named Abbott cousins full name Edward Albert von Doenhoff wish could claim sorts knowledge gleaned association Edward truth met twice cousin Abbott continued research together wrote original paper published laminar-flow airfoil show small world relating above story Frank Parmenter Tn-City MAC Christmas party year reply finished Yeah wife typed number legendary modeling figures 26 Model Aviation 12822 Tarrytown San Antonio TX 78233 Its 1945 Howard Buesohel prepares Tethered Trainer flight Earl Cayton design state-of-the-art have written about GMAs Peacemaker published Aeromodeller first versiona profile diesel engines Burgess photo Bob Palmer shook up Stunt world Chief design 1949 Nationals Shown amidst rest fleet Len via- iime peea ana eam iiacing oooming ur i riis iae great pains e autnemic burgess pnoio 111gm y 1947 Box Car Chief very popular Stunt trainer Note contrast Thunderbird rear Designed 1946 engine man Dennis Allen British-designed Box Car flown VSC Ill Ron Prentice Super Cyclone 60 powers Wolsey photo also LangleyTaibi Hull Blanchard Parmenter et al Brainbusters Club started bygone era recently celebrated its 50th anniversary Frank Parmenter groups first president according him reunion huge success Frank raised Chicago area immediately remembered name Ed Manthey Ed written Up Around upon seeing photo Iran Smilin Jack Kaufman Lackey Zenith writing Ed related knew Bill Lackey well hut also assisted construction original model went say flying Buzzards Club won Senior division Detroit Nationals 1938 started Baby Cyclones 800-sq-in Hornet 60-powered design first profile Stunter GMA remembers flown Texas Sonny Mullins 1948 power tried Brown Juniors finally Super Cykes Some years ago Smilin Jack Rochette Rosie Reinarz decided build pair Zeniths since less common design Imagine dismay Note long tail moment John Drouillards 1946 Stunt ship An Atwood 60 powered 40-in-span design scene Chicago Illinois September 1992 27 Electric starters arent advisable diesels Bent rods like can also result engines being overcompressed its running Bob r Chiet Special wflicfl powered McCoy 29 engine 1950 AMA Nationals UMAs entry tor tne iu rjaiionais box-stock Veco Chief radialContinued page 86 mounted Orwick 29 engine Left Aldrich let first Chief Special stay home order promote standard Veco kit version chief Note short tail moment arm Right original Nobler first test-flown Note its longer tail moment arm major change previous designs plane marked start what todays Nostalgia Era FINISHING FRIEND SYSTEM ______ LIFETIME GUARANTEE Join family satisfied customers say Radid just model using FFS 71 never build tijother ORDER TODAY CRAFTSMAN MODELS jUSt $3995 1311 East 161st St 317-8969043 Westfield IN 46074 M/C SASE Brochure Up Around Continued page 27 Parmenter immediately identified models Fellow clubmate Russ Snyder said Yeah things went out buffalo next weekend both Zeniths back flying field Buffalo Buffalo II fins Both models still flying OK Super 60s power Rosie placed fifth 30Second Antique 92 SAM Champs Buffalo Im subject Old-Time Free Flight safety problem needs addressed youre setting up flight line normal AMA Free Flight meet make sure cars minimum 100 feet upwind events such OTFE use ROG mode launching model flies directly line cars Launch sites must located ample clearance front rear 300-ft minimum side clearance must also considered youre test-flying two three cars present safest launch site probably right next cars few letters about engines have requested data about port timing use pressurized fuel systems seems term blowdown has bit confusing Simply stated blowdown has cylinder port timing blowdown period difference expressed rotating degrees between total time exhaust port open total time intake port open order know port timing particular engine necessary have method measuring rotation shaft own degree wheel can made simple 3600 plastic protractor solid center preferable allows mounted unlike prop shaft pointer made piece 040 music wire mounted engine lug set degree wheel piston rotated downstroke until top edge exhaust port really accurate remove head shine light down cylinder top edge piston exhaust port can now matched perfectly pointer set zero just two edges coincide rotating piston down through Bottom Dead Center BDC back up until closes exhaust port again can read amount total open exhaust timing wheel check intake port timing reverse light position removing back plate directing beam up bypasses Lets say 1400 recorded exhaust port 1300 intake ports blowdown period 1400130o 100 What looking good Pattern engine CL RC blowdown period 70 12g number ways pressurize fuel system method hear about often uses either crankcase muffler input First off main reason use pressure allow larger venturi thereby gain power Taking crankcase pressure first two typestimed untimed Timed pressure much higher impulse tank made rotor port shaft disk rotor open rotation suction mode Thus timed pressure positive impulses enter pressure line system can cause needle valve setting extremely sensitive sometimes allowing very small movement too rich overlean untimed pressure fitting mounted open inside case time system also produces pressure actually needed Untimed pressure presents additional problem allowing raw fuel reverse-flow back engine causing btdly flooded condition solution overpressurized situation reduce hole size pressure fitting Rather trying deal tiny drills tedious holemaking trick solder hole down required size Select wire required hole size order kits call 1-800-327-7198 log fine kits send $400 Idaho Residents Add 5% State Sales Tax 86 Model Aviation r-irtisrlirig -rieng ysten GUARANTEED help build BE. have lots MORE FUN FF8 secures model away workbench like 3rd hand Locks ANY angle FREE hands sanding covering painting Model touched outside surface IKON offers largest selection giant scale kits world GIANi UML~b 1/4 bUALL U 1/4 UALL 6 006-008 timed pressure 010-012 untimed pressure solder piece fitting After solder has cooled wire easily extracted fitting pair pliers good type fishing leader wire Most material stainless steel prevents solder adhering regular steel smoking match candle will keep wire tinning becoming unmovable untimed pressure easiest desirable high-performance engines does present problem allowing backflow flood engine Careful filling and/or location pressure tube upper front tank can save lot trouble one-way check valve pressure line another solution know available today used market unit about size grain rice slipped inside tubing source dried up years ago anyone knows source Ill gladly pass pages Muffler pressure gives softest impulse first used aid reducing differential deep RC tanks allow larger throttle bore sizes search power Early found much larger hole pressure fitting its connecting tubing required deliver enough pressure make larger bored throttles operate properly found fitting minimum hole size I32 094 needed best location fitting seems rear exhaust casting close out muffler adapter should noted foreign matter fuel line will cause just much trouble pressurized system using suction fact pressure system seems just thing could go wrong unless being used conjunction larger venturi bore gain power 1958 AMA Nationals held Glenview NAS Illinois marked last entry Stunt event first year qualifying circles used also Nationals contestants signed petition throw out scores rerun event FOAM WING CORES U PRECISION MADE EXPANDED BEAD POLYSTYRENE REPLACEMENT WING & STAB CORES FOR ALL POPULAR R/C AIRCRAFT OVER 350 DIFFERENT WINGS IN STOCK FOR IMMEDIATE DELI VER SD IF YOU HAVE mA FAVORITE BIRD THAT NEEDS WING CALL OR WRITE US LOTS OF ARF WING CORES Dont trash after crash i e 309- 3423009 Send $450 catalog if/NG MF 306 E Simmons Galeshurg IL 61401 again next day remember qualifier flew U-Reely did pattern 30-foot pullouts Neither Bill Cummings nor qualified sour grapes didnt really deserve qualify Bill did later spoke Walt Good AMA president promised would never compete again would let run Nationals Stunt events Family job commitments prevented fulfilling promise 1959 thats story another time reason poor performance because engine problem resulted production new release Heres story July 19581 Tulsa Oklahoma deeply involved electromechanical design pilot trainers new Boeing 707 two major airlines made trip Chicago search special counter flight instruments Nationals just sidelight doing some testing Hi Johnson immediately prevailed upon put latest 35 old 57 winner Practice went bad worse 35 would come song rnn wide open no matter what did finalized last official glow plug went south dont mean plug burned outit blew completely out engine threads head stripped out night Navy hangar Hi tore engine down check out listening carping about no ability four-cycle Hi thought bit dumped 35 Taking new parts assembled new engine using 35-cylinder assembly case 29 shaft gave 33 displacement bolted old black Nobler next morning met practice area Hi put 7 x 5 Y&O prop 33 engine started instructions lazy eights possible Some 15 flights later progressed 7 x 5 10 x 6 regular flying prop never ran better Stunt engine Hi put engine out 33S still Continued page 88 ULTIMATE BUSH PLANE NEW VHS VIDEO CATALOG &h Texas es den s please add sales tax US ACor~ 4576 Claire Chennault Hangar 7 Dallas TX 75248 1-800-336-0602 orders 214 2501914 info Quick-Buit Classic 40 Ultimate Bush Plane THE LEADER IN COM PETITION NEW PROPELLERS CYCLE 4100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW NEW HIGH TECH AIRFOIL SECTION lOTO2Oe/5 INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5s/534 634 728334S6 833/,4568 845667 94S6BIsl7½ 104S667 106W 8W 106EW 114677%7/z78 II SW 11 6EW ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4AN 16 678 September1992 87 DIAPITCH THP 1266778 13677/s8 14677/s8 1567 16678 NEW PRO SERIES 3 RC PYLON RACING SERIES 500 DIAPITCH 75N5N 8I677B SERIES 400C 866777 9l7/a7¾ W WIDE BLADE EW EXTRA WIDE N NARROW / V think best Stunt engine Thanks identified Flying Priest name John Quimby Elyria Ohio Are still flying Father will accept phone calls between 600 1000 pm CST Please dont call during business hours just BS about modeling have business run have written sent SASEs know answer mail have added Fax machine 512 656-2021 will answer after about six rings hang up after five wont charged Im away en Age Air Racing Continued page 48 Gee Bee E Sportster Gee Bee E smaller Model Y Jim Jenkinss reproduction considered best built airplanes fly-in regardless category made its first flight later 1991 Howard DGA-3 Pete actual early- 1 930s racer rescued oblivion Bill Turner Ben Howard flew third place 1930 Thompson Trophy Pitts-Style Mufflers uNiVERSAL STRAP ON UNIVERSAL BOLT ON older engines muffler hots side mounted engines Will fit 90% engines made after 1999 Easy attach Just bolt muffler engine wits factory muffler bolts boits SUnnhieti wit muffler Exhaust extensions worm drive mounting strap Included 2945 JT-40P $2195 SI-SI JT-eOP $2396 ASP 91-109 JTA9IP $2496 JT-40P8 29-45 $2295 MAIL OROER se add $250 UPS shipping ChecK MO Visa MC COO accePted Add $400 extra COD California residents add 9% saies tas JT-M10PMAX 911092955 JTSTeePCOMO ST 91-75-552750 JT-ST2SPST 2090-2500-30002955 JT-BCXP05 MAX 900134es JT-5T45PST 045003455 vein QuiET BOLTS OI5ECTLY TO 99099 MOUNTiNO B2LTS EXHAUST iT SOPeEXTENSIONTU9INC AND CLAMPSINCLUDEO 51 61 $2496 aria am Race despite its tiny engine Subsequent spin-offs 1947 Goodyear Racer home-built EAA founder Paul Poberezny plan fly original again soon Howard DGA-4 Mike another original dating back 1932 owned since late 1 940s Joe Binder Fremont Ohio raced 1932 1936 now long-term loan Western Reserve Museum Cleveland no plans fly Howard DGA-5 Ike Also original Ike decades owned Joe Binder stored home Little work has done racer though Binder has plans restore Ike displayed uncovered giving viewers good look construction 1930s racers Ben Howard flew seventh place 1932 Thompson Trophy Race Howard DGA-6 Mr Mulligan reproduction among four Benny Howard racers original crashed 1936 Bendix Trophy Race parts recovered 1970s partially restored reproduction flown world speed record before crashing turn reproduction work Younkin brothers Fayetteville Arkansas flown Oshkosh original historic double win 1935 Ben Howard captured Bendix Trophy Harold Neumann took Thompson Wedell Williams #57 Col Roscoe Turner won two Bendix trophies Thompson trophy gold Pratt & Whitney-powered plane raced 1932 1939 Cleveland area since 1939 restored exhibition Western Reserve Museum Curator Dave Holcombe upped inertia starter several times during fly-in allowing prop turn over letting crowd enjoy special sound Wedell Williams #44 reproduction 1933 Thompson trophy 1934 Bendix trophy winner created Jim Clevenger Budd Davisson owned Davisson plane has display Wedell Williams Memorial Museum Peterson Louisiana has flown times including daily high-speed laps Oshkosh Brown B-i Raced brieflyby Ralph Bushey 1934before being badly damaged accident Brown B-l reincarnated 1947 Goodyear midget racer has long owned Lou Russo Chicago Restoration completed EAA staff Commandaire Little Rocket Joe Araldi Lakeland Florida built reproduction late 1980s advice designer Built 1930 original competed long-distance races 88 Model Aviation WE UP2AUTOMATIC DOOR CYCLING VALVE Actuated standard servo Independent speed control switching struts doors Body size 194 x 118 x 62 weight 23 oz $7465 US CORRECT DOOR SEQUENCE FOR MUSTANGS Also available e truly independent speed controls UP1 ADJUSTABLE SPEED RETRACT VALVE Independant up & down Speed controls price $2495 US Dealer inquiries welcomeShipping$450 Vii ULTRA PRECISION Technical Services Limited 1244 Honeysuckle Crescent Oakville rioL6H 258 CanadaPhone 416 842 1703