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Radio Control: Old-Timers

Author: D.B. Mathews


Edition: Model Aviation - 1981/07
Page Numbers: 48, 49, 126

Radio ConErol DId-Timers Dee B Mathews CAVALIER TWIN May column traced evolution Cavalier series Ben Shereshaws original design 1936 kitted Berkeley through fatted version introduced 1938 As pointed out short history Cay designed legendary Ben Shereshaw original subsequent development Bill Effinger group Effinger began Berkeley Models small living room operation Brooklyn carefully reinvesting profits kitting designs leaders hobby saw business grow worlds largest 1 950s entire operation sold Duke Fox late 950s moved Fort Smith AR Fox subsequently disposed assets Sig Manufacturing Montezuma IA Berke ley line became basis firms early kits Piper Cub J-3 has popular Sig originally Chuck Hollinger design first published January 1951 issue Air trademarks Effinger staff scaling up/down successful sellers various other kits Cavalier series eventually ranged 36-in rubber power model 108-in Custom series radio control experiments Other steps evolution Cavalier 60 use then-new O&R 23 Cavalier 72 Bill tells wasn t much Comparing months photo used May issue quickly reveals some marked radical changes Cavalier singie fin replaced modern twin-tail mounted dihedraled stab Equally revolu tionary use tricycle gear Nothing however could match sensation created announcement twin limited knowledge first twin-engined Free Flight kit ever marketed 1938 Zaic Year book shows twin Frank Ehling however indicating others playing concept Cavalier Twin also featured plug-in wing center section permanently affixed fuselage outer panels removable outboard engine nacelles Power pair O&R 60s fitted patented exhaust thrust augmenters Effinger says idea get little thrust exhaust better scavenging What Trails kitted Berkeley 1952 Several redesigns have taken place over years sure basic design dates back old kit same true several Sigs smaller gas rubber Free Flight kits As example Sigs Stinson L-5 orginally designed Hank Struck kittedby Berkeley Berkeley Sinbad Sailor design dates back 1941 Point nt keep good kit down 48 Model Aviation 1935 Forster Uttle Hercules background casting kit available Precision Service Co 10189 Crane Rd Lindley NY 14858 Cavalier saga continues Above uni dentified modeler 1939 Nats OK Twin-powered Custom Cavalierfrom ancient color slide Above right Harold Carlson 1st Texaco sewed up 1938 Natsuntil somebody put up last-minute flight beat him Out another ancient color slide Right legendary Twin Cavalier old Berkeley catalog ad Did anyone ever build/fly Please let Doc know about very early tuned pipe Bill also responded query about some form motor shutoff dont know what would happen engine quit can pretty well guess large removeable hatch designed nose area experiments7 ad copy lists payload 5 /2 lb Also detailed such gems used valuable experiments Armed Forces Aerial Targetry Aerial Torpedoe ing Sound Camouflage Obviously designs single-engine version also available vastly sophisticated con temporaries directed primarily early Radio Control experimenters As example Norm Rosenstock using highly-modified Cavalier Radio Control late early 1960s Conversly four-year search has yet locate photo Cavalier Twin have used old Berkeley catalog Wholl first build RC send us picture An annotation legend have aware Bob Larshs preparation Goldberg Zipper article several years anxiously awaiting its publication Bobs superbly researched documented history printed February March 81 issues Model Airplane News certainly has met expecta tions article must reading anyone interest roots hobby account Larsh recreates nearly legendary fly-away Carl Goldbergs Valkyrie 1937 Detroit Nationals Powered Brown Jr borrowed Vernon Boehle dianapolis Valkyrie thermalled out over Detroit River last seen settling onto deserted island Canadian side border never recovered letter dated October 8 1980 Ira Hassad points out loaned same Brown Jr friend Vernon Boehle about Carl Goldbergs Valkyrie flies away engine borrowed Vernon actually longing Ira Hassad suppose Carl knew engine model wonder owed what SAM visits Alamo Word just John Pond concerning Old-Timer schedules 1981 Nats Old-Timer RC events will Limited Engine Run Antique Texacoto run off Wednesday August 5 tite announced later Thursday 6th will see O/T CL Stunt Friday will feature Free Flight Victory Banquet will held Friday night trophy awards movies early days perhaps some speakers Sounds like great fun See An effort will made display map location events wish enter spectate space available SAM booth check look bulletin board Hows weather newsletter Fort Worth Planesmen Some meteorological data gathered Russ Snyder early August San Antonio area Average high temp 95 0F extreme max 1000F minimum 730F Wind/ humidity figures 5-7 knots 83% 7 am 5-8 and62% 10am 9-10 and43% 4 pm Prevailing direction wind south southeast runway Seguin 10000 ft long running northwest southeast pair taxiways run north-south east-west 5000 ft pavement Surely set-up will provide excellent facilities everyone funny Feeney four-cycle March column ran little piece Feeney engine adding what little could photo asking further information Joe Wagner first president Model Engine Collectors Association MECA responded batch information English cousins call gen important feature Feeney crudity Thor built poorly engine complete fright eningly shoddy-looking never dared try run other Feeney helped restore apparently sold kit form because several parts fully machined engine looked somewhat like picture ran picture heavilyairbrushed photo hand-built prototype made man named Casimir Leja Its displacement nowhere near 12 in3 old data book says 687 in3 engine Model B made 1940 displacement 914 Its serial number 335 major difference appear ance between engine ad picture inclusion beam mounts ever cheap-looking casings Rogers Buzz masterpieces compared Feeney cast ings Leja design seemed quite competent produced order make mark aeromodeling history thats pro ject seems have met its doom looking avidly years active engine collector just about tops want list finally got what letdown Continued page 126 SOUTHERN RIC FLIESN! Model Merchant IS Southern RIC . Keeping alive top line R/G aircraft Currently being offered COMPENSATOR- 60BOOTLEGGER- 60 TIGER TAIL III- 60ALLEY KAT- 40 Sport EZ FLIER- 40 Trainer Order Direct MODEL MERCHANT 512 541-3867 554 E Fronton St Brownsville TX 78520 DEALER & DiSTRiuUTOR INQUIRIES INVITED MIII Wayne Ulerys outstanding design Leo Loudenslagers Laser 200 geared 90 offered Model Merchant nearly constructed model critical fuselage & control surfaces framing wing sheeting has done Just some finish up ready fly best available Specifications_____ Span 86 Area 1245 sq Weight 12 Engine 91 Cline drive unit-- Features-1 Seperate detachable presheeted wing panels 2 Preassembiled fuselage frame . 3 Preassembiled stabilizer elevators vertical fin rudder 4 Epoxy Glass cowl wheelpants SI 5 Formed hatch clear canopy 6 Aluminum landing gear 4R & TAi6IJTO INQUIRIES INVITED 554 E Fronton St BrownaviNe TX 78520 21 5413867 July 1981 49 LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW MASTER AIR~jJ3 IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS WINDSOR PROPELLER CO PO BOX 112 WINDSOR CA 95492 -~IASTEII AIRSCIUW PRESENTS BALSA STRIPPER A95 AT YOUR DEALER PRECISION STRIP WOOD TO S FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 Avion Associates Box 120 Pottstown PA 19464 meantime support USA/F3B team Theres still time left Dan Pruss RR2 Box 49D Plainfleld IL 60544 RC Old-Timers/Mathews Continued page 49 comment perhaps pioneering four-stroke design wellmanufactured would have waited nearly forty years advent four-cycle massproduced model aircraft engines Oh yes thought terribly large hand ad picture mystery solved another opened photo ofthe 1935 Forster Little Hercules casting kits available Precision Service Co 10189 Crane Road Lindley NY 14858 opens up another mystery Art DeKaIb tells us engine debored destroked version earlier Apex seemingly no quite knows Apex engines relate later Forster 99 anyone can fill blanks story would like share readers Sandbagging 1938 Bill Effinger says Harold Carison 1938 Nationals won until very late day someone came along beat time says sandbagging til last possible moment SAM phenomena some folks think Pm prolific Ben Shere shaw must surely rank prolific model designers Old-Timer era quick check through John Pond catalog will find over dozen Shereshaw designs published and/or kitted between 1936 1939 Such familiar names Air Trails Sportster Cadet Cloud Cruiser Cumulus Eaglet Miss Exchange Club Nimbus Scientific Mercury Com modore featured Feb 81 issue magazine others products fertile mind Ben Shereshaw have always marveled man design ing publishing such profusion large models answer self-evident now have learned Ben taught high school Indus trial Arts time well being paid instructor Kresge Model Club days department stores promoted hobby departments sponsoring clubs Ben obviously designed models used available volunteer manpower around him construction crew way youngsters could benefit expertise turn able bang out great big Free Flights Although Shereshaws compensation magazine manufacturers minimal dollars must always relate what would buy As example recently have corresponding Bill Durand Omaha tells us placed Boeing 247 model ModelAirplane News 1934 received $5500 text drawings photos enough pay semesters tuition Omaha U have able pay fraction semesters tuition three college kids construction article though payment well excess $5500 As say its relative really Shereshaw designs marked beautiful flowing lines surfaces rarely used square surface flat section close study work reveals harmony line rarely matched designs contemporaries truly works art Shereshaw designs outstanding immediately indentifiable Super savings9 HL GLIDERS Fiberglass Materials EE 3 SATELLITE KITS FiberglassCloth5SqyarcisSlSO0E EU 17 OLD TIME GAS choice oz cloth LaminatingEpoxy Resin6hrcureS30Ocper galSend 25% for5 RUBBER 3 NORDIC LrquidMoldReleaseS3OO t6oZs1980 catalog9 COMPETITION GAS Epoxy Primer K&854000 per gal EpoxyPaintrhinnerK&RJSl5OopergalFUEL DT TIMERS -$1075 Polyester Resin K&B$20O0pet galF.A.I Model Supply Send check money order shippingcollect COO oka~ Call write Bob Smith RIC AircraftPO Box PO BOX 3957 TORRANCE CA 90510 Granada Hills CA 91344 213 3666872 LEISURE takes AIR DOUBLES flight time Odds ends several sources supply items relevant Old-Timer activities might prove helpful Trexler air-inflated balloon wheels Sig catalog available Hobby Horn find large 50cc plastic syringe veterinary supply great inflating Trexler also has bulb-type unit Y&O Yates Orwick wooden props available Hobby Horn Schmidt Custom Kits Some say finest props ever made use ignition motors Black neoprene tubing available Du Bro line must fuel system through diesel gasoline fuel will run commonly-available surgical vinyl tubing swell proportions pregnant earth worms used fossil fuels Diesel fuel contains kerosene hence fossil fuel Bakers AA castor oil Klotz Lubicin N-I synthetic lubes available pints quarts gallons Sig Amyl nitrate substitute Diesel Ignition Im prover available small quantities Henry Nelson 729 Valemont Dr Verona PA 15147 Dee B Mathews 506 South Walnut Greensburg KS 67054 writing advenmers mention reed about MA 126 Model Aviation SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm electric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA9271 40 714 552-4540

Author: D.B. Mathews


Edition: Model Aviation - 1981/07
Page Numbers: 48, 49, 126

Radio ConErol DId-Timers Dee B Mathews CAVALIER TWIN May column traced evolution Cavalier series Ben Shereshaws original design 1936 kitted Berkeley through fatted version introduced 1938 As pointed out short history Cay designed legendary Ben Shereshaw original subsequent development Bill Effinger group Effinger began Berkeley Models small living room operation Brooklyn carefully reinvesting profits kitting designs leaders hobby saw business grow worlds largest 1 950s entire operation sold Duke Fox late 950s moved Fort Smith AR Fox subsequently disposed assets Sig Manufacturing Montezuma IA Berke ley line became basis firms early kits Piper Cub J-3 has popular Sig originally Chuck Hollinger design first published January 1951 issue Air trademarks Effinger staff scaling up/down successful sellers various other kits Cavalier series eventually ranged 36-in rubber power model 108-in Custom series radio control experiments Other steps evolution Cavalier 60 use then-new O&R 23 Cavalier 72 Bill tells wasn t much Comparing months photo used May issue quickly reveals some marked radical changes Cavalier singie fin replaced modern twin-tail mounted dihedraled stab Equally revolu tionary use tricycle gear Nothing however could match sensation created announcement twin limited knowledge first twin-engined Free Flight kit ever marketed 1938 Zaic Year book shows twin Frank Ehling however indicating others playing concept Cavalier Twin also featured plug-in wing center section permanently affixed fuselage outer panels removable outboard engine nacelles Power pair O&R 60s fitted patented exhaust thrust augmenters Effinger says idea get little thrust exhaust better scavenging What Trails kitted Berkeley 1952 Several redesigns have taken place over years sure basic design dates back old kit same true several Sigs smaller gas rubber Free Flight kits As example Sigs Stinson L-5 orginally designed Hank Struck kittedby Berkeley Berkeley Sinbad Sailor design dates back 1941 Point nt keep good kit down 48 Model Aviation 1935 Forster Uttle Hercules background casting kit available Precision Service Co 10189 Crane Rd Lindley NY 14858 Cavalier saga continues Above uni dentified modeler 1939 Nats OK Twin-powered Custom Cavalierfrom ancient color slide Above right Harold Carlson 1st Texaco sewed up 1938 Natsuntil somebody put up last-minute flight beat him Out another ancient color slide Right legendary Twin Cavalier old Berkeley catalog ad Did anyone ever build/fly Please let Doc know about very early tuned pipe Bill also responded query about some form motor shutoff dont know what would happen engine quit can pretty well guess large removeable hatch designed nose area experiments7 ad copy lists payload 5 /2 lb Also detailed such gems used valuable experiments Armed Forces Aerial Targetry Aerial Torpedoe ing Sound Camouflage Obviously designs single-engine version also available vastly sophisticated con temporaries directed primarily early Radio Control experimenters As example Norm Rosenstock using highly-modified Cavalier Radio Control late early 1960s Conversly four-year search has yet locate photo Cavalier Twin have used old Berkeley catalog Wholl first build RC send us picture An annotation legend have aware Bob Larshs preparation Goldberg Zipper article several years anxiously awaiting its publication Bobs superbly researched documented history printed February March 81 issues Model Airplane News certainly has met expecta tions article must reading anyone interest roots hobby account Larsh recreates nearly legendary fly-away Carl Goldbergs Valkyrie 1937 Detroit Nationals Powered Brown Jr borrowed Vernon Boehle dianapolis Valkyrie thermalled out over Detroit River last seen settling onto deserted island Canadian side border never recovered letter dated October 8 1980 Ira Hassad points out loaned same Brown Jr friend Vernon Boehle about Carl Goldbergs Valkyrie flies away engine borrowed Vernon actually longing Ira Hassad suppose Carl knew engine model wonder owed what SAM visits Alamo Word just John Pond concerning Old-Timer schedules 1981 Nats Old-Timer RC events will Limited Engine Run Antique Texacoto run off Wednesday August 5 tite announced later Thursday 6th will see O/T CL Stunt Friday will feature Free Flight Victory Banquet will held Friday night trophy awards movies early days perhaps some speakers Sounds like great fun See An effort will made display map location events wish enter spectate space available SAM booth check look bulletin board Hows weather newsletter Fort Worth Planesmen Some meteorological data gathered Russ Snyder early August San Antonio area Average high temp 95 0F extreme max 1000F minimum 730F Wind/ humidity figures 5-7 knots 83% 7 am 5-8 and62% 10am 9-10 and43% 4 pm Prevailing direction wind south southeast runway Seguin 10000 ft long running northwest southeast pair taxiways run north-south east-west 5000 ft pavement Surely set-up will provide excellent facilities everyone funny Feeney four-cycle March column ran little piece Feeney engine adding what little could photo asking further information Joe Wagner first president Model Engine Collectors Association MECA responded batch information English cousins call gen important feature Feeney crudity Thor built poorly engine complete fright eningly shoddy-looking never dared try run other Feeney helped restore apparently sold kit form because several parts fully machined engine looked somewhat like picture ran picture heavilyairbrushed photo hand-built prototype made man named Casimir Leja Its displacement nowhere near 12 in3 old data book says 687 in3 engine Model B made 1940 displacement 914 Its serial number 335 major difference appear ance between engine ad picture inclusion beam mounts ever cheap-looking casings Rogers Buzz masterpieces compared Feeney cast ings Leja design seemed quite competent produced order make mark aeromodeling history thats pro ject seems have met its doom looking avidly years active engine collector just about tops want list finally got what letdown Continued page 126 SOUTHERN RIC FLIESN! Model Merchant IS Southern RIC . Keeping alive top line R/G aircraft Currently being offered COMPENSATOR- 60BOOTLEGGER- 60 TIGER TAIL III- 60ALLEY KAT- 40 Sport EZ FLIER- 40 Trainer Order Direct MODEL MERCHANT 512 541-3867 554 E Fronton St Brownsville TX 78520 DEALER & DiSTRiuUTOR INQUIRIES INVITED MIII Wayne Ulerys outstanding design Leo Loudenslagers Laser 200 geared 90 offered Model Merchant nearly constructed model critical fuselage & control surfaces framing wing sheeting has done Just some finish up ready fly best available Specifications_____ Span 86 Area 1245 sq Weight 12 Engine 91 Cline drive unit-- Features-1 Seperate detachable presheeted wing panels 2 Preassembiled fuselage frame . 3 Preassembiled stabilizer elevators vertical fin rudder 4 Epoxy Glass cowl wheelpants SI 5 Formed hatch clear canopy 6 Aluminum landing gear 4R & TAi6IJTO INQUIRIES INVITED 554 E Fronton St BrownaviNe TX 78520 21 5413867 July 1981 49 LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW MASTER AIR~jJ3 IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS WINDSOR PROPELLER CO PO BOX 112 WINDSOR CA 95492 -~IASTEII AIRSCIUW PRESENTS BALSA STRIPPER A95 AT YOUR DEALER PRECISION STRIP WOOD TO S FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 Avion Associates Box 120 Pottstown PA 19464 meantime support USA/F3B team Theres still time left Dan Pruss RR2 Box 49D Plainfleld IL 60544 RC Old-Timers/Mathews Continued page 49 comment perhaps pioneering four-stroke design wellmanufactured would have waited nearly forty years advent four-cycle massproduced model aircraft engines Oh yes thought terribly large hand ad picture mystery solved another opened photo ofthe 1935 Forster Little Hercules casting kits available Precision Service Co 10189 Crane Road Lindley NY 14858 opens up another mystery Art DeKaIb tells us engine debored destroked version earlier Apex seemingly no quite knows Apex engines relate later Forster 99 anyone can fill blanks story would like share readers Sandbagging 1938 Bill Effinger says Harold Carison 1938 Nationals won until very late day someone came along beat time says sandbagging til last possible moment SAM phenomena some folks think Pm prolific Ben Shere shaw must surely rank prolific model designers Old-Timer era quick check through John Pond catalog will find over dozen Shereshaw designs published and/or kitted between 1936 1939 Such familiar names Air Trails Sportster Cadet Cloud Cruiser Cumulus Eaglet Miss Exchange Club Nimbus Scientific Mercury Com modore featured Feb 81 issue magazine others products fertile mind Ben Shereshaw have always marveled man design ing publishing such profusion large models answer self-evident now have learned Ben taught high school Indus trial Arts time well being paid instructor Kresge Model Club days department stores promoted hobby departments sponsoring clubs Ben obviously designed models used available volunteer manpower around him construction crew way youngsters could benefit expertise turn able bang out great big Free Flights Although Shereshaws compensation magazine manufacturers minimal dollars must always relate what would buy As example recently have corresponding Bill Durand Omaha tells us placed Boeing 247 model ModelAirplane News 1934 received $5500 text drawings photos enough pay semesters tuition Omaha U have able pay fraction semesters tuition three college kids construction article though payment well excess $5500 As say its relative really Shereshaw designs marked beautiful flowing lines surfaces rarely used square surface flat section close study work reveals harmony line rarely matched designs contemporaries truly works art Shereshaw designs outstanding immediately indentifiable Super savings9 HL GLIDERS Fiberglass Materials EE 3 SATELLITE KITS FiberglassCloth5SqyarcisSlSO0E EU 17 OLD TIME GAS choice oz cloth LaminatingEpoxy Resin6hrcureS30Ocper galSend 25% for5 RUBBER 3 NORDIC LrquidMoldReleaseS3OO t6oZs1980 catalog9 COMPETITION GAS Epoxy Primer K&854000 per gal EpoxyPaintrhinnerK&RJSl5OopergalFUEL DT TIMERS -$1075 Polyester Resin K&B$20O0pet galF.A.I Model Supply Send check money order shippingcollect COO oka~ Call write Bob Smith RIC AircraftPO Box PO BOX 3957 TORRANCE CA 90510 Granada Hills CA 91344 213 3666872 LEISURE takes AIR DOUBLES flight time Odds ends several sources supply items relevant Old-Timer activities might prove helpful Trexler air-inflated balloon wheels Sig catalog available Hobby Horn find large 50cc plastic syringe veterinary supply great inflating Trexler also has bulb-type unit Y&O Yates Orwick wooden props available Hobby Horn Schmidt Custom Kits Some say finest props ever made use ignition motors Black neoprene tubing available Du Bro line must fuel system through diesel gasoline fuel will run commonly-available surgical vinyl tubing swell proportions pregnant earth worms used fossil fuels Diesel fuel contains kerosene hence fossil fuel Bakers AA castor oil Klotz Lubicin N-I synthetic lubes available pints quarts gallons Sig Amyl nitrate substitute Diesel Ignition Im prover available small quantities Henry Nelson 729 Valemont Dr Verona PA 15147 Dee B Mathews 506 South Walnut Greensburg KS 67054 writing advenmers mention reed about MA 126 Model Aviation SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm electric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA9271 40 714 552-4540

Author: D.B. Mathews


Edition: Model Aviation - 1981/07
Page Numbers: 48, 49, 126

Radio ConErol DId-Timers Dee B Mathews CAVALIER TWIN May column traced evolution Cavalier series Ben Shereshaws original design 1936 kitted Berkeley through fatted version introduced 1938 As pointed out short history Cay designed legendary Ben Shereshaw original subsequent development Bill Effinger group Effinger began Berkeley Models small living room operation Brooklyn carefully reinvesting profits kitting designs leaders hobby saw business grow worlds largest 1 950s entire operation sold Duke Fox late 950s moved Fort Smith AR Fox subsequently disposed assets Sig Manufacturing Montezuma IA Berke ley line became basis firms early kits Piper Cub J-3 has popular Sig originally Chuck Hollinger design first published January 1951 issue Air trademarks Effinger staff scaling up/down successful sellers various other kits Cavalier series eventually ranged 36-in rubber power model 108-in Custom series radio control experiments Other steps evolution Cavalier 60 use then-new O&R 23 Cavalier 72 Bill tells wasn t much Comparing months photo used May issue quickly reveals some marked radical changes Cavalier singie fin replaced modern twin-tail mounted dihedraled stab Equally revolu tionary use tricycle gear Nothing however could match sensation created announcement twin limited knowledge first twin-engined Free Flight kit ever marketed 1938 Zaic Year book shows twin Frank Ehling however indicating others playing concept Cavalier Twin also featured plug-in wing center section permanently affixed fuselage outer panels removable outboard engine nacelles Power pair O&R 60s fitted patented exhaust thrust augmenters Effinger says idea get little thrust exhaust better scavenging What Trails kitted Berkeley 1952 Several redesigns have taken place over years sure basic design dates back old kit same true several Sigs smaller gas rubber Free Flight kits As example Sigs Stinson L-5 orginally designed Hank Struck kittedby Berkeley Berkeley Sinbad Sailor design dates back 1941 Point nt keep good kit down 48 Model Aviation 1935 Forster Uttle Hercules background casting kit available Precision Service Co 10189 Crane Rd Lindley NY 14858 Cavalier saga continues Above uni dentified modeler 1939 Nats OK Twin-powered Custom Cavalierfrom ancient color slide Above right Harold Carlson 1st Texaco sewed up 1938 Natsuntil somebody put up last-minute flight beat him Out another ancient color slide Right legendary Twin Cavalier old Berkeley catalog ad Did anyone ever build/fly Please let Doc know about very early tuned pipe Bill also responded query about some form motor shutoff dont know what would happen engine quit can pretty well guess large removeable hatch designed nose area experiments7 ad copy lists payload 5 /2 lb Also detailed such gems used valuable experiments Armed Forces Aerial Targetry Aerial Torpedoe ing Sound Camouflage Obviously designs single-engine version also available vastly sophisticated con temporaries directed primarily early Radio Control experimenters As example Norm Rosenstock using highly-modified Cavalier Radio Control late early 1960s Conversly four-year search has yet locate photo Cavalier Twin have used old Berkeley catalog Wholl first build RC send us picture An annotation legend have aware Bob Larshs preparation Goldberg Zipper article several years anxiously awaiting its publication Bobs superbly researched documented history printed February March 81 issues Model Airplane News certainly has met expecta tions article must reading anyone interest roots hobby account Larsh recreates nearly legendary fly-away Carl Goldbergs Valkyrie 1937 Detroit Nationals Powered Brown Jr borrowed Vernon Boehle dianapolis Valkyrie thermalled out over Detroit River last seen settling onto deserted island Canadian side border never recovered letter dated October 8 1980 Ira Hassad points out loaned same Brown Jr friend Vernon Boehle about Carl Goldbergs Valkyrie flies away engine borrowed Vernon actually longing Ira Hassad suppose Carl knew engine model wonder owed what SAM visits Alamo Word just John Pond concerning Old-Timer schedules 1981 Nats Old-Timer RC events will Limited Engine Run Antique Texacoto run off Wednesday August 5 tite announced later Thursday 6th will see O/T CL Stunt Friday will feature Free Flight Victory Banquet will held Friday night trophy awards movies early days perhaps some speakers Sounds like great fun See An effort will made display map location events wish enter spectate space available SAM booth check look bulletin board Hows weather newsletter Fort Worth Planesmen Some meteorological data gathered Russ Snyder early August San Antonio area Average high temp 95 0F extreme max 1000F minimum 730F Wind/ humidity figures 5-7 knots 83% 7 am 5-8 and62% 10am 9-10 and43% 4 pm Prevailing direction wind south southeast runway Seguin 10000 ft long running northwest southeast pair taxiways run north-south east-west 5000 ft pavement Surely set-up will provide excellent facilities everyone funny Feeney four-cycle March column ran little piece Feeney engine adding what little could photo asking further information Joe Wagner first president Model Engine Collectors Association MECA responded batch information English cousins call gen important feature Feeney crudity Thor built poorly engine complete fright eningly shoddy-looking never dared try run other Feeney helped restore apparently sold kit form because several parts fully machined engine looked somewhat like picture ran picture heavilyairbrushed photo hand-built prototype made man named Casimir Leja Its displacement nowhere near 12 in3 old data book says 687 in3 engine Model B made 1940 displacement 914 Its serial number 335 major difference appear ance between engine ad picture inclusion beam mounts ever cheap-looking casings Rogers Buzz masterpieces compared Feeney cast ings Leja design seemed quite competent produced order make mark aeromodeling history thats pro ject seems have met its doom looking avidly years active engine collector just about tops want list finally got what letdown Continued page 126 SOUTHERN RIC FLIESN! Model Merchant IS Southern RIC . Keeping alive top line R/G aircraft Currently being offered COMPENSATOR- 60BOOTLEGGER- 60 TIGER TAIL III- 60ALLEY KAT- 40 Sport EZ FLIER- 40 Trainer Order Direct MODEL MERCHANT 512 541-3867 554 E Fronton St Brownsville TX 78520 DEALER & DiSTRiuUTOR INQUIRIES INVITED MIII Wayne Ulerys outstanding design Leo Loudenslagers Laser 200 geared 90 offered Model Merchant nearly constructed model critical fuselage & control surfaces framing wing sheeting has done Just some finish up ready fly best available Specifications_____ Span 86 Area 1245 sq Weight 12 Engine 91 Cline drive unit-- Features-1 Seperate detachable presheeted wing panels 2 Preassembiled fuselage frame . 3 Preassembiled stabilizer elevators vertical fin rudder 4 Epoxy Glass cowl wheelpants SI 5 Formed hatch clear canopy 6 Aluminum landing gear 4R & TAi6IJTO INQUIRIES INVITED 554 E Fronton St BrownaviNe TX 78520 21 5413867 July 1981 49 LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW MASTER AIR~jJ3 IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS WINDSOR PROPELLER CO PO BOX 112 WINDSOR CA 95492 -~IASTEII AIRSCIUW PRESENTS BALSA STRIPPER A95 AT YOUR DEALER PRECISION STRIP WOOD TO S FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 Avion Associates Box 120 Pottstown PA 19464 meantime support USA/F3B team Theres still time left Dan Pruss RR2 Box 49D Plainfleld IL 60544 RC Old-Timers/Mathews Continued page 49 comment perhaps pioneering four-stroke design wellmanufactured would have waited nearly forty years advent four-cycle massproduced model aircraft engines Oh yes thought terribly large hand ad picture mystery solved another opened photo ofthe 1935 Forster Little Hercules casting kits available Precision Service Co 10189 Crane Road Lindley NY 14858 opens up another mystery Art DeKaIb tells us engine debored destroked version earlier Apex seemingly no quite knows Apex engines relate later Forster 99 anyone can fill blanks story would like share readers Sandbagging 1938 Bill Effinger says Harold Carison 1938 Nationals won until very late day someone came along beat time says sandbagging til last possible moment SAM phenomena some folks think Pm prolific Ben Shere shaw must surely rank prolific model designers Old-Timer era quick check through John Pond catalog will find over dozen Shereshaw designs published and/or kitted between 1936 1939 Such familiar names Air Trails Sportster Cadet Cloud Cruiser Cumulus Eaglet Miss Exchange Club Nimbus Scientific Mercury Com modore featured Feb 81 issue magazine others products fertile mind Ben Shereshaw have always marveled man design ing publishing such profusion large models answer self-evident now have learned Ben taught high school Indus trial Arts time well being paid instructor Kresge Model Club days department stores promoted hobby departments sponsoring clubs Ben obviously designed models used available volunteer manpower around him construction crew way youngsters could benefit expertise turn able bang out great big Free Flights Although Shereshaws compensation magazine manufacturers minimal dollars must always relate what would buy As example recently have corresponding Bill Durand Omaha tells us placed Boeing 247 model ModelAirplane News 1934 received $5500 text drawings photos enough pay semesters tuition Omaha U have able pay fraction semesters tuition three college kids construction article though payment well excess $5500 As say its relative really Shereshaw designs marked beautiful flowing lines surfaces rarely used square surface flat section close study work reveals harmony line rarely matched designs contemporaries truly works art Shereshaw designs outstanding immediately indentifiable Super savings9 HL GLIDERS Fiberglass Materials EE 3 SATELLITE KITS FiberglassCloth5SqyarcisSlSO0E EU 17 OLD TIME GAS choice oz cloth LaminatingEpoxy Resin6hrcureS30Ocper galSend 25% for5 RUBBER 3 NORDIC LrquidMoldReleaseS3OO t6oZs1980 catalog9 COMPETITION GAS Epoxy Primer K&854000 per gal EpoxyPaintrhinnerK&RJSl5OopergalFUEL DT TIMERS -$1075 Polyester Resin K&B$20O0pet galF.A.I Model Supply Send check money order shippingcollect COO oka~ Call write Bob Smith RIC AircraftPO Box PO BOX 3957 TORRANCE CA 90510 Granada Hills CA 91344 213 3666872 LEISURE takes AIR DOUBLES flight time Odds ends several sources supply items relevant Old-Timer activities might prove helpful Trexler air-inflated balloon wheels Sig catalog available Hobby Horn find large 50cc plastic syringe veterinary supply great inflating Trexler also has bulb-type unit Y&O Yates Orwick wooden props available Hobby Horn Schmidt Custom Kits Some say finest props ever made use ignition motors Black neoprene tubing available Du Bro line must fuel system through diesel gasoline fuel will run commonly-available surgical vinyl tubing swell proportions pregnant earth worms used fossil fuels Diesel fuel contains kerosene hence fossil fuel Bakers AA castor oil Klotz Lubicin N-I synthetic lubes available pints quarts gallons Sig Amyl nitrate substitute Diesel Ignition Im prover available small quantities Henry Nelson 729 Valemont Dr Verona PA 15147 Dee B Mathews 506 South Walnut Greensburg KS 67054 writing advenmers mention reed about MA 126 Model Aviation SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm electric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA9271 40 714 552-4540

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