Radio Control Old-Timers DrDB Mathews AND NOW Ontario Commando month feature still another sleeper Seldom seen competition design has opinion very excel lent potential A-Cabin Free Flight Glow Ignition RC Assist Kitted Ontario Model Aircraft Toronto Canada Commando advertised September 1942 issue Air Trails magazine Thats about close SAM cutoff date December 1942 can get three-view drawing also shown same page Gordon S Lights Dope Can column Aerodynamically wing stab air foilsas well momentsstrongly suggest reduced-size Buzzard Bomb shell However outlines construc tion show touch Berkeley Brigadeer Little peculiar building techniques 351 San Diego Aeroneers aidest clubs country will holding special Golden Anniversary activIties throughout 1985 Former members shouid contact George Wagner 2879 Marathon Dr San Diego CA 92128 famous modeicre have members club such Joe Weathers Bill Atwood sad dened hear Joe Weathers passed away December 6 1984 Bombshell present making really easy building /2A version has proven bit large power available yet once some altitude has gained glide excellent good thermaling tenden cies Powered maximum legal engine 16 cu Commando should climb like scalded cat still glide well have sufficiently impressed motivate development 900-sq-in version 40 cid two-cycle As readers aware Buzzard Bombshell legal 36 cid under SAMs 225-sq-in per 10 cu rule will certainly interesting compare two next spring L L L L K 7 fl ONTARIO MODELCRAFT I 'COMMANDO' WINGSPAN5O INS WING AREA SQ INS IPUBLISHED AIR TRAILS 9/42 r --i-IJ MAX POWER FOR SAM cOMPETITION 012345681012 As Free Flight Commando could excellent choice Cabin ad states Can powered Rogers other first-class engine Most anyone has run Rogers would smile bit first-class nonetheless good 19 23 ignition would sure move design 54 Model Aviation Docs newest find Ontario Commando likes tar Uabin SAM FF events tried out flight characteristics version shown Kitted Canada ads appeared September 1942 issue Air Trails Commando well suited John Morrels Simplex 19 address 143 Richmond St El Segundo CA 90245 plans 350 sq available John Pond Plans PO Box 3215 San Jose CA 95156 Order plan No 1D5 Berkeley Bills plans WE WE Technical Services PO Box 76884 Atlanta GA 30328 other Bill Effinger old Berkeley Models has sale long list updated RC OldTimers well Scale subjects planpattern form have closely examined find quality completeness exceptional subjects well-engineered profusely-illustrated comprehensive instructions Subjects range delightfully ugly Berkeley Buccaneer Standard first gas design sell dollar foot span quarter-scale SE-SA unhesitat ingly recommend Continued page 152 HObbY Horn Old Timer /tom 1/ LaaZss 9 GAS MODEL Jl4odzL L7Ar1aL 9EC000 IREASE5 1941 BROOKLYN DODGER 56 Cabin""NEWEST5 Retail S5295**INTRODUCTORY PRICES39O0 1938 Record Breaker 96 $6956 lO3GZipper 54$5356 1938 Kloud King 63 $4236 1941 Brigidier 56 $4076 1 941 Super Quake- 78 $72 76 1946 So Long 50$30 36 1936 Buccaneer 04 $5996 1938 Clipper MKI 72$4156 1937 Dallaire 100 $7516 1935 Miss America 84 $7196 1941 Playboy Sr 80 $5116 1941 Playboy Jr 54 $3116 1938 Powerhouse 84 $53 56 1940 Sailplane 78 $8476 1938 Trenton Terror 72 $4076 1940 Ranger 46$3196 1939 Korda Wake 44 $1916 1939 Mercury 72 6 kits qualify SAM events FF & RIG feature highest quality machine cut & sanded parts Superior Competition sheet strip mood wire & window motorist Plans orig FF models easily convertible 3ch R IC KITS Sailplanes Electric power Gas Hobby Horn SENSOAR Glider 78 $1800 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models PLINGER R/G HLG 50 Span $2400 Midway Model PAST EDDIE Aerobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05s$325O Leisure PLAYBOY SR 67 Gear 05 Elect $3000 Astro ASTRO SPORT 37 Direct 05 Elect $2210 Leisure WASP 37 Direct 05 Electrics $2250 Midway ULTRA MK IV 86 Geared 04 EP $3900 Midway PLYING QUAKER 04 40-454 stroke $6476 4ks/Midway DENNY JR 72 Alum Comel $6396 4ks/Midway BUZZARD BOMBSHELL 72$5196 PULL LINE OP ELECTRIC SYSTEMS 0 Parts Avail SHIPPING 8 HANDLING 64 Page CATALOGUE Up $000 add $150 $200 PP/tot Class $801 $2000 add $225 copy will sent $2001 $4500 add $300 free-when requested$4501 $7000 add $350 order over $7000 add $406 HOBBY HORN CA Addressees add 6% tax 15173 Moran St [Al Send MO Visa/MCI#sExp PO Box 2212 Check allow up 00 30 Westminster Ca 92604 days CK clearance 7141 8938311 COD Exact Charges plus $150 Hdl Cash Only [Aft Hrs 714095120311 WP 5- 7~ sorfl te n ~je dab 9S~e L2LjrnIY 1O aflC j~esS0 jg apa 7IrT8 eaSter 00rdb bWe3ACK~ irtl or ean I. fl JACI1NH] cr0 [V1 .jNI1 ite Cc nbC$9l P OO 7/ rii 4650~ Eu U 8 M rk8 md$2DEO DO4 April 1985 55 eoognize tfl5 back 0 modelers head its 1938 photo Sal Talbi original Powerhouse Joe Raspantes Dodge convertible background Bill Schmidt has everyone scratching heads over Ccx Black Widow 048 convened spark ignitionl Its legal SAM FF RC events except Texaco Gene Olivas pretty daughter holds fine Original Duccaneer plans Model Airplane News January 1980 Power Enys 60 fourstroker Hes Haledon NJ NIi JnO RCFS II RADIO CONTROLLED FLIGHT SIMULATOR John Kallend FOR APPLE 11 lie GREAT AS TRAINING AID FOR BEGINNER OR -PPm PIAJY AEROBATIC INCLUDING SPINS AND SNAP ROUS CONFIGURE FOR LARGE VARIETY OF MODELS FROM TRAINERS TO HOT AERORATIC MODELS USE WITH DAVE BROWN PRODUCTS DUAL JOY STICK TRANSMrITEW FOR THE MOST ACCURATE SIMULATION OF R/C PLYING CAN BE USED WITH ANY APPLE COMPATABLE JOYSTICK IT EVEN HAS DUAL RATE CONTROL SENSmVITY NOSE BEGUIREI APPLE II PUll 48K sInI E II WITH BIlE DRIVE AND AR APPLE COMPATARLE JOY 551CR OR DAVE BROWN PRODUCIS DUAl JOYSTICIC TEANIMmEB DAVE BROWN PRODUCTS Notice earlier discussion using hundreds watts turn large propellers fast takes less watt light flashlight So whats have motors batteries Electrics hangs together friends Stay tuned youll have lot insight Electrics work tune out maybe thisll help win some future contestsif meantime please direct ques tions SASE author Happy Electric landings Bob Kopski 25 West End Dr Lansdale PA 19446 RC Old-Timers/Mathews Continued page 55 Its glue Recently laying some laminated outlines down flashed through mind way Hank Struck others should have Available Now Commodore lLZ4\-\~4 V 4860 LAYHIGH HAMILTON OHIO 45013 done designs dawned us bent wire tubing original ly used Apache Cabruler forth werent done laminated balsa simply because nitrocellulose Ambroid Comet etc glue available adhesive such simple thing spray three four layers /16 / whatever dilute ammonia water coat layers aliphatic resin glue Sig Bond etc pull around form pins Hank likely now uses technique himself try Ambroid some time Weve seen TV commercials ask Wheres beef time another modelers must have asked Wheres CG weve built kit manufacturer has done work us shows us plans center gravity CG supposed fact better approximately shows us its supposed model going fly well crunch comes weve got latest masterpiece completed ready flight seldom happens CG has come out money want new plane live weve got add some ballast plane make CG move its sup posed Sure can use age-old cut-and-try method may too time-consuming difficult some cases What neat solution problem published recent edition news letter Lehigh Valley PA RC Club Tom Bilheimer editor order use method described youll need accurate scalepreferably graduated ounces Youll also need accurate ruler yardstick might better scheme described makes use princi ple balancing moments plans show location CG Lets say supposed 375 behind leading edge LE wing Since may convenient meas ure different fixed spot model lets use tip spinner end crankshaft Lets seethe CG should 1075 point Hmmm After finding marking balance point new model find CG actually 10375 reference point means plane nose-heavy weve got add some weight tail Wed like add little weight possible well put near tail possible Measuring plane find can add some weight inconspicuously point 31 inches reference point much weight find out answer question well have use little arithmetic multi plication division some algebra will multiply distance reference point nose location actual CG weight model add product distance reference point place can add ballast times unknown added weight divide sum models weight unknown added weight Well set 152 Model Aviation Complete DIN Line ofFx~ - Quality Finishing Products DIN Pto FESSIONALS CHOICE Kin Craft Mig 14323 TwIn Ridge Court Ashland Kentucky 41101 606 928-4763 ASK FOR US AT TOUR FAVORITE HOllY SHOP GONTIOLINI TillS PROFILECOMBA 7RA T WIDE & NARROW WEDGE 75 -- 6 Capacities INIFLOW & STIIDD Guiton Dliii Fuels Ingredients Fof detailed brochuaCOc stamps/check oisi CAROLINA-TAFFINDER 8345 Delhi Road charleston Hgts. SC 29418 803-563-7169 DeHAVILLAND BEAVER GIANT SCALE 96 4CYCLE9O120 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST ox 566 Auburn WA 98071 206941-8248 equal distance reference point CG ought answer will number ounces ballast well have add new model weighs four pounds six ounces thats 70 ounces Since weve got other measurements well write simple little formula 10375 x 70 oz x X oz/ 70 oz Using algebra collecting terms well simplify 72625 X/70 075 72625 X X 310 X 1075 X 72625 2025 X X 2625/2025 oz So new plane should balance add 13 oz ballast point 31 back nose-tip reference point matter about holding firewall motor mount epoxy matter before commercial glue came tube bought jars melted nitrate photographic negatives acetone good old days have years didnt someone think before gadgets dihedral CG stand thing Ace RC good friend Red Costlow sent us preproduc tion version device have finally found accurate way block up surfaces dihedraling youve found Christ mas stocking means get No hunting around boxes books never just exactly right height simply hold surface tip onto horizontal dowel clothespin sand bevel Infinitely adjustable positive lock stand enables duplicate angle over over again have added inch marks onto vertical dowels dont need find ruler simplistic little tool real bargain highly recommended aiss Texaco SAM 49ers pro moting another new concept Texaco events Briefly model must antique design prior December 31 1938 powered Class 20 cid under engine Fuel allotment 10cc per flight Max 15 minutes three attempts Scaling up down permit ted other rules follow SAM RC outlines appeal see larger sizes AA Texaco event lesstemperamental engines other hand models will certainly easier transport big Texaco~ ninefooters intend give event trial would appreciate hearing others trying plans searchers Readers looking plans Cyclone Aircraft Heath Bull Pup Triangle Dictator three sizes Anyone might have asked advise Both designs worth reviving Immediately after submitting %A Texaco Clipper Junior photo February column Sal Taibi president Society Antique Modelers issued emergency ruling prohibiting enlargement rubber-power designs event seems bud dies wrote him ask about legality since rules both Free Flight RC Assist didnt say thing about limiting Power events Gas designs brings us Bill Schmidts spark-ignition Black Widow Fortunately Y2A Texaco rules rather specific allowing fuel pickup muffler needle valve throttle mods basis sparker isnt legal Thats probably just well considers long darn thing would run tank gas oil extended motor-run times allowed SAM Free Flight RC events using ignition-converted glow engines certainly make sparker attractive proposition however Lets face dern thing cute weve got have excuse own use Dee B Mathews 8420 Nantucket Wichita KS 67212 April1985 153 Ole Reliable 1938 Old Timer Doc Mathews i LONU JOUR Ultimate Fun Fly Competition Model Ideal Sunday Flyer LIST PRICE 94 S 5995 Introductory prIce offor lImIted tIme Curtis Model Aircraft 3002 M Canterbury CIrcle Shernian Texas 75090 AC 214-8934135 Heres equipment need give props very best balance--balance directions Caref idly crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes available special order Dealers iovited $179S Adil $150 HOWARD B HUEBI ocpess postep hoedline Mini 6% nit tax MoC0Ds So, 02 Ro S MnkaOo MN 56001 19.35 Engine Econo-Kit $5495 Deluxe-Kit $6495 Shipping Machine cut spruce & balsa Illustrated instructions RESIDENTS Fun-Line Models NOrE KANSAS SALES TAX PO Box 2392 Shawnee Mission Kansas 66201
Edition: Model Aviation - 1985/04
Page Numbers: 54, 55, 152, 153
Radio Control Old-Timers DrDB Mathews AND NOW Ontario Commando month feature still another sleeper Seldom seen competition design has opinion very excel lent potential A-Cabin Free Flight Glow Ignition RC Assist Kitted Ontario Model Aircraft Toronto Canada Commando advertised September 1942 issue Air Trails magazine Thats about close SAM cutoff date December 1942 can get three-view drawing also shown same page Gordon S Lights Dope Can column Aerodynamically wing stab air foilsas well momentsstrongly suggest reduced-size Buzzard Bomb shell However outlines construc tion show touch Berkeley Brigadeer Little peculiar building techniques 351 San Diego Aeroneers aidest clubs country will holding special Golden Anniversary activIties throughout 1985 Former members shouid contact George Wagner 2879 Marathon Dr San Diego CA 92128 famous modeicre have members club such Joe Weathers Bill Atwood sad dened hear Joe Weathers passed away December 6 1984 Bombshell present making really easy building /2A version has proven bit large power available yet once some altitude has gained glide excellent good thermaling tenden cies Powered maximum legal engine 16 cu Commando should climb like scalded cat still glide well have sufficiently impressed motivate development 900-sq-in version 40 cid two-cycle As readers aware Buzzard Bombshell legal 36 cid under SAMs 225-sq-in per 10 cu rule will certainly interesting compare two next spring L L L L K 7 fl ONTARIO MODELCRAFT I 'COMMANDO' WINGSPAN5O INS WING AREA SQ INS IPUBLISHED AIR TRAILS 9/42 r --i-IJ MAX POWER FOR SAM cOMPETITION 012345681012 As Free Flight Commando could excellent choice Cabin ad states Can powered Rogers other first-class engine Most anyone has run Rogers would smile bit first-class nonetheless good 19 23 ignition would sure move design 54 Model Aviation Docs newest find Ontario Commando likes tar Uabin SAM FF events tried out flight characteristics version shown Kitted Canada ads appeared September 1942 issue Air Trails Commando well suited John Morrels Simplex 19 address 143 Richmond St El Segundo CA 90245 plans 350 sq available John Pond Plans PO Box 3215 San Jose CA 95156 Order plan No 1D5 Berkeley Bills plans WE WE Technical Services PO Box 76884 Atlanta GA 30328 other Bill Effinger old Berkeley Models has sale long list updated RC OldTimers well Scale subjects planpattern form have closely examined find quality completeness exceptional subjects well-engineered profusely-illustrated comprehensive instructions Subjects range delightfully ugly Berkeley Buccaneer Standard first gas design sell dollar foot span quarter-scale SE-SA unhesitat ingly recommend Continued page 152 HObbY Horn Old Timer /tom 1/ LaaZss 9 GAS MODEL Jl4odzL L7Ar1aL 9EC000 IREASE5 1941 BROOKLYN DODGER 56 Cabin""NEWEST5 Retail S5295**INTRODUCTORY PRICES39O0 1938 Record Breaker 96 $6956 lO3GZipper 54$5356 1938 Kloud King 63 $4236 1941 Brigidier 56 $4076 1 941 Super Quake- 78 $72 76 1946 So Long 50$30 36 1936 Buccaneer 04 $5996 1938 Clipper MKI 72$4156 1937 Dallaire 100 $7516 1935 Miss America 84 $7196 1941 Playboy Sr 80 $5116 1941 Playboy Jr 54 $3116 1938 Powerhouse 84 $53 56 1940 Sailplane 78 $8476 1938 Trenton Terror 72 $4076 1940 Ranger 46$3196 1939 Korda Wake 44 $1916 1939 Mercury 72 6 kits qualify SAM events FF & RIG feature highest quality machine cut & sanded parts Superior Competition sheet strip mood wire & window motorist Plans orig FF models easily convertible 3ch R IC KITS Sailplanes Electric power Gas Hobby Horn SENSOAR Glider 78 $1800 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models PLINGER R/G HLG 50 Span $2400 Midway Model PAST EDDIE Aerobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05s$325O Leisure PLAYBOY SR 67 Gear 05 Elect $3000 Astro ASTRO SPORT 37 Direct 05 Elect $2210 Leisure WASP 37 Direct 05 Electrics $2250 Midway ULTRA MK IV 86 Geared 04 EP $3900 Midway PLYING QUAKER 04 40-454 stroke $6476 4ks/Midway DENNY JR 72 Alum Comel $6396 4ks/Midway BUZZARD BOMBSHELL 72$5196 PULL LINE OP ELECTRIC SYSTEMS 0 Parts Avail SHIPPING 8 HANDLING 64 Page CATALOGUE Up $000 add $150 $200 PP/tot Class $801 $2000 add $225 copy will sent $2001 $4500 add $300 free-when requested$4501 $7000 add $350 order over $7000 add $406 HOBBY HORN CA Addressees add 6% tax 15173 Moran St [Al Send MO Visa/MCI#sExp PO Box 2212 Check allow up 00 30 Westminster Ca 92604 days CK clearance 7141 8938311 COD Exact Charges plus $150 Hdl Cash Only [Aft Hrs 714095120311 WP 5- 7~ sorfl te n ~je dab 9S~e L2LjrnIY 1O aflC j~esS0 jg apa 7IrT8 eaSter 00rdb bWe3ACK~ irtl or ean I. fl JACI1NH] cr0 [V1 .jNI1 ite Cc nbC$9l P OO 7/ rii 4650~ Eu U 8 M rk8 md$2DEO DO4 April 1985 55 eoognize tfl5 back 0 modelers head its 1938 photo Sal Talbi original Powerhouse Joe Raspantes Dodge convertible background Bill Schmidt has everyone scratching heads over Ccx Black Widow 048 convened spark ignitionl Its legal SAM FF RC events except Texaco Gene Olivas pretty daughter holds fine Original Duccaneer plans Model Airplane News January 1980 Power Enys 60 fourstroker Hes Haledon NJ NIi JnO RCFS II RADIO CONTROLLED FLIGHT SIMULATOR John Kallend FOR APPLE 11 lie GREAT AS TRAINING AID FOR BEGINNER OR -PPm PIAJY AEROBATIC INCLUDING SPINS AND SNAP ROUS CONFIGURE FOR LARGE VARIETY OF MODELS FROM TRAINERS TO HOT AERORATIC MODELS USE WITH DAVE BROWN PRODUCTS DUAL JOY STICK TRANSMrITEW FOR THE MOST ACCURATE SIMULATION OF R/C PLYING CAN BE USED WITH ANY APPLE COMPATABLE JOYSTICK IT EVEN HAS DUAL RATE CONTROL SENSmVITY NOSE BEGUIREI APPLE II PUll 48K sInI E II WITH BIlE DRIVE AND AR APPLE COMPATARLE JOY 551CR OR DAVE BROWN PRODUCIS DUAl JOYSTICIC TEANIMmEB DAVE BROWN PRODUCTS Notice earlier discussion using hundreds watts turn large propellers fast takes less watt light flashlight So whats have motors batteries Electrics hangs together friends Stay tuned youll have lot insight Electrics work tune out maybe thisll help win some future contestsif meantime please direct ques tions SASE author Happy Electric landings Bob Kopski 25 West End Dr Lansdale PA 19446 RC Old-Timers/Mathews Continued page 55 Its glue Recently laying some laminated outlines down flashed through mind way Hank Struck others should have Available Now Commodore lLZ4\-\~4 V 4860 LAYHIGH HAMILTON OHIO 45013 done designs dawned us bent wire tubing original ly used Apache Cabruler forth werent done laminated balsa simply because nitrocellulose Ambroid Comet etc glue available adhesive such simple thing spray three four layers /16 / whatever dilute ammonia water coat layers aliphatic resin glue Sig Bond etc pull around form pins Hank likely now uses technique himself try Ambroid some time Weve seen TV commercials ask Wheres beef time another modelers must have asked Wheres CG weve built kit manufacturer has done work us shows us plans center gravity CG supposed fact better approximately shows us its supposed model going fly well crunch comes weve got latest masterpiece completed ready flight seldom happens CG has come out money want new plane live weve got add some ballast plane make CG move its sup posed Sure can use age-old cut-and-try method may too time-consuming difficult some cases What neat solution problem published recent edition news letter Lehigh Valley PA RC Club Tom Bilheimer editor order use method described youll need accurate scalepreferably graduated ounces Youll also need accurate ruler yardstick might better scheme described makes use princi ple balancing moments plans show location CG Lets say supposed 375 behind leading edge LE wing Since may convenient meas ure different fixed spot model lets use tip spinner end crankshaft Lets seethe CG should 1075 point Hmmm After finding marking balance point new model find CG actually 10375 reference point means plane nose-heavy weve got add some weight tail Wed like add little weight possible well put near tail possible Measuring plane find can add some weight inconspicuously point 31 inches reference point much weight find out answer question well have use little arithmetic multi plication division some algebra will multiply distance reference point nose location actual CG weight model add product distance reference point place can add ballast times unknown added weight divide sum models weight unknown added weight Well set 152 Model Aviation Complete DIN Line ofFx~ - Quality Finishing Products DIN Pto FESSIONALS CHOICE Kin Craft Mig 14323 TwIn Ridge Court Ashland Kentucky 41101 606 928-4763 ASK FOR US AT TOUR FAVORITE HOllY SHOP GONTIOLINI TillS PROFILECOMBA 7RA T WIDE & NARROW WEDGE 75 -- 6 Capacities INIFLOW & STIIDD Guiton Dliii Fuels Ingredients Fof detailed brochuaCOc stamps/check oisi CAROLINA-TAFFINDER 8345 Delhi Road charleston Hgts. SC 29418 803-563-7169 DeHAVILLAND BEAVER GIANT SCALE 96 4CYCLE9O120 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST ox 566 Auburn WA 98071 206941-8248 equal distance reference point CG ought answer will number ounces ballast well have add new model weighs four pounds six ounces thats 70 ounces Since weve got other measurements well write simple little formula 10375 x 70 oz x X oz/ 70 oz Using algebra collecting terms well simplify 72625 X/70 075 72625 X X 310 X 1075 X 72625 2025 X X 2625/2025 oz So new plane should balance add 13 oz ballast point 31 back nose-tip reference point matter about holding firewall motor mount epoxy matter before commercial glue came tube bought jars melted nitrate photographic negatives acetone good old days have years didnt someone think before gadgets dihedral CG stand thing Ace RC good friend Red Costlow sent us preproduc tion version device have finally found accurate way block up surfaces dihedraling youve found Christ mas stocking means get No hunting around boxes books never just exactly right height simply hold surface tip onto horizontal dowel clothespin sand bevel Infinitely adjustable positive lock stand enables duplicate angle over over again have added inch marks onto vertical dowels dont need find ruler simplistic little tool real bargain highly recommended aiss Texaco SAM 49ers pro moting another new concept Texaco events Briefly model must antique design prior December 31 1938 powered Class 20 cid under engine Fuel allotment 10cc per flight Max 15 minutes three attempts Scaling up down permit ted other rules follow SAM RC outlines appeal see larger sizes AA Texaco event lesstemperamental engines other hand models will certainly easier transport big Texaco~ ninefooters intend give event trial would appreciate hearing others trying plans searchers Readers looking plans Cyclone Aircraft Heath Bull Pup Triangle Dictator three sizes Anyone might have asked advise Both designs worth reviving Immediately after submitting %A Texaco Clipper Junior photo February column Sal Taibi president Society Antique Modelers issued emergency ruling prohibiting enlargement rubber-power designs event seems bud dies wrote him ask about legality since rules both Free Flight RC Assist didnt say thing about limiting Power events Gas designs brings us Bill Schmidts spark-ignition Black Widow Fortunately Y2A Texaco rules rather specific allowing fuel pickup muffler needle valve throttle mods basis sparker isnt legal Thats probably just well considers long darn thing would run tank gas oil extended motor-run times allowed SAM Free Flight RC events using ignition-converted glow engines certainly make sparker attractive proposition however Lets face dern thing cute weve got have excuse own use Dee B Mathews 8420 Nantucket Wichita KS 67212 April1985 153 Ole Reliable 1938 Old Timer Doc Mathews i LONU JOUR Ultimate Fun Fly Competition Model Ideal Sunday Flyer LIST PRICE 94 S 5995 Introductory prIce offor lImIted tIme Curtis Model Aircraft 3002 M Canterbury CIrcle Shernian Texas 75090 AC 214-8934135 Heres equipment need give props very best balance--balance directions Caref idly crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes available special order Dealers iovited $179S Adil $150 HOWARD B HUEBI ocpess postep hoedline Mini 6% nit tax MoC0Ds So, 02 Ro S MnkaOo MN 56001 19.35 Engine Econo-Kit $5495 Deluxe-Kit $6495 Shipping Machine cut spruce & balsa Illustrated instructions RESIDENTS Fun-Line Models NOrE KANSAS SALES TAX PO Box 2392 Shawnee Mission Kansas 66201
Edition: Model Aviation - 1985/04
Page Numbers: 54, 55, 152, 153
Radio Control Old-Timers DrDB Mathews AND NOW Ontario Commando month feature still another sleeper Seldom seen competition design has opinion very excel lent potential A-Cabin Free Flight Glow Ignition RC Assist Kitted Ontario Model Aircraft Toronto Canada Commando advertised September 1942 issue Air Trails magazine Thats about close SAM cutoff date December 1942 can get three-view drawing also shown same page Gordon S Lights Dope Can column Aerodynamically wing stab air foilsas well momentsstrongly suggest reduced-size Buzzard Bomb shell However outlines construc tion show touch Berkeley Brigadeer Little peculiar building techniques 351 San Diego Aeroneers aidest clubs country will holding special Golden Anniversary activIties throughout 1985 Former members shouid contact George Wagner 2879 Marathon Dr San Diego CA 92128 famous modeicre have members club such Joe Weathers Bill Atwood sad dened hear Joe Weathers passed away December 6 1984 Bombshell present making really easy building /2A version has proven bit large power available yet once some altitude has gained glide excellent good thermaling tenden cies Powered maximum legal engine 16 cu Commando should climb like scalded cat still glide well have sufficiently impressed motivate development 900-sq-in version 40 cid two-cycle As readers aware Buzzard Bombshell legal 36 cid under SAMs 225-sq-in per 10 cu rule will certainly interesting compare two next spring L L L L K 7 fl ONTARIO MODELCRAFT I 'COMMANDO' WINGSPAN5O INS WING AREA SQ INS IPUBLISHED AIR TRAILS 9/42 r --i-IJ MAX POWER FOR SAM cOMPETITION 012345681012 As Free Flight Commando could excellent choice Cabin ad states Can powered Rogers other first-class engine Most anyone has run Rogers would smile bit first-class nonetheless good 19 23 ignition would sure move design 54 Model Aviation Docs newest find Ontario Commando likes tar Uabin SAM FF events tried out flight characteristics version shown Kitted Canada ads appeared September 1942 issue Air Trails Commando well suited John Morrels Simplex 19 address 143 Richmond St El Segundo CA 90245 plans 350 sq available John Pond Plans PO Box 3215 San Jose CA 95156 Order plan No 1D5 Berkeley Bills plans WE WE Technical Services PO Box 76884 Atlanta GA 30328 other Bill Effinger old Berkeley Models has sale long list updated RC OldTimers well Scale subjects planpattern form have closely examined find quality completeness exceptional subjects well-engineered profusely-illustrated comprehensive instructions Subjects range delightfully ugly Berkeley Buccaneer Standard first gas design sell dollar foot span quarter-scale SE-SA unhesitat ingly recommend Continued page 152 HObbY Horn Old Timer /tom 1/ LaaZss 9 GAS MODEL Jl4odzL L7Ar1aL 9EC000 IREASE5 1941 BROOKLYN DODGER 56 Cabin""NEWEST5 Retail S5295**INTRODUCTORY PRICES39O0 1938 Record Breaker 96 $6956 lO3GZipper 54$5356 1938 Kloud King 63 $4236 1941 Brigidier 56 $4076 1 941 Super Quake- 78 $72 76 1946 So Long 50$30 36 1936 Buccaneer 04 $5996 1938 Clipper MKI 72$4156 1937 Dallaire 100 $7516 1935 Miss America 84 $7196 1941 Playboy Sr 80 $5116 1941 Playboy Jr 54 $3116 1938 Powerhouse 84 $53 56 1940 Sailplane 78 $8476 1938 Trenton Terror 72 $4076 1940 Ranger 46$3196 1939 Korda Wake 44 $1916 1939 Mercury 72 6 kits qualify SAM events FF & RIG feature highest quality machine cut & sanded parts Superior Competition sheet strip mood wire & window motorist Plans orig FF models easily convertible 3ch R IC KITS Sailplanes Electric power Gas Hobby Horn SENSOAR Glider 78 $1800 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models PLINGER R/G HLG 50 Span $2400 Midway Model PAST EDDIE Aerobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05s$325O Leisure PLAYBOY SR 67 Gear 05 Elect $3000 Astro ASTRO SPORT 37 Direct 05 Elect $2210 Leisure WASP 37 Direct 05 Electrics $2250 Midway ULTRA MK IV 86 Geared 04 EP $3900 Midway PLYING QUAKER 04 40-454 stroke $6476 4ks/Midway DENNY JR 72 Alum Comel $6396 4ks/Midway BUZZARD BOMBSHELL 72$5196 PULL LINE OP ELECTRIC SYSTEMS 0 Parts Avail SHIPPING 8 HANDLING 64 Page CATALOGUE Up $000 add $150 $200 PP/tot Class $801 $2000 add $225 copy will sent $2001 $4500 add $300 free-when requested$4501 $7000 add $350 order over $7000 add $406 HOBBY HORN CA Addressees add 6% tax 15173 Moran St [Al Send MO Visa/MCI#sExp PO Box 2212 Check allow up 00 30 Westminster Ca 92604 days CK clearance 7141 8938311 COD Exact Charges plus $150 Hdl Cash Only [Aft Hrs 714095120311 WP 5- 7~ sorfl te n ~je dab 9S~e L2LjrnIY 1O aflC j~esS0 jg apa 7IrT8 eaSter 00rdb bWe3ACK~ irtl or ean I. fl JACI1NH] cr0 [V1 .jNI1 ite Cc nbC$9l P OO 7/ rii 4650~ Eu U 8 M rk8 md$2DEO DO4 April 1985 55 eoognize tfl5 back 0 modelers head its 1938 photo Sal Talbi original Powerhouse Joe Raspantes Dodge convertible background Bill Schmidt has everyone scratching heads over Ccx Black Widow 048 convened spark ignitionl Its legal SAM FF RC events except Texaco Gene Olivas pretty daughter holds fine Original Duccaneer plans Model Airplane News January 1980 Power Enys 60 fourstroker Hes Haledon NJ NIi JnO RCFS II RADIO CONTROLLED FLIGHT SIMULATOR John Kallend FOR APPLE 11 lie GREAT AS TRAINING AID FOR BEGINNER OR -PPm PIAJY AEROBATIC INCLUDING SPINS AND SNAP ROUS CONFIGURE FOR LARGE VARIETY OF MODELS FROM TRAINERS TO HOT AERORATIC MODELS USE WITH DAVE BROWN PRODUCTS DUAL JOY STICK TRANSMrITEW FOR THE MOST ACCURATE SIMULATION OF R/C PLYING CAN BE USED WITH ANY APPLE COMPATABLE JOYSTICK IT EVEN HAS DUAL RATE CONTROL SENSmVITY NOSE BEGUIREI APPLE II PUll 48K sInI E II WITH BIlE DRIVE AND AR APPLE COMPATARLE JOY 551CR OR DAVE BROWN PRODUCIS DUAl JOYSTICIC TEANIMmEB DAVE BROWN PRODUCTS Notice earlier discussion using hundreds watts turn large propellers fast takes less watt light flashlight So whats have motors batteries Electrics hangs together friends Stay tuned youll have lot insight Electrics work tune out maybe thisll help win some future contestsif meantime please direct ques tions SASE author Happy Electric landings Bob Kopski 25 West End Dr Lansdale PA 19446 RC Old-Timers/Mathews Continued page 55 Its glue Recently laying some laminated outlines down flashed through mind way Hank Struck others should have Available Now Commodore lLZ4\-\~4 V 4860 LAYHIGH HAMILTON OHIO 45013 done designs dawned us bent wire tubing original ly used Apache Cabruler forth werent done laminated balsa simply because nitrocellulose Ambroid Comet etc glue available adhesive such simple thing spray three four layers /16 / whatever dilute ammonia water coat layers aliphatic resin glue Sig Bond etc pull around form pins Hank likely now uses technique himself try Ambroid some time Weve seen TV commercials ask Wheres beef time another modelers must have asked Wheres CG weve built kit manufacturer has done work us shows us plans center gravity CG supposed fact better approximately shows us its supposed model going fly well crunch comes weve got latest masterpiece completed ready flight seldom happens CG has come out money want new plane live weve got add some ballast plane make CG move its sup posed Sure can use age-old cut-and-try method may too time-consuming difficult some cases What neat solution problem published recent edition news letter Lehigh Valley PA RC Club Tom Bilheimer editor order use method described youll need accurate scalepreferably graduated ounces Youll also need accurate ruler yardstick might better scheme described makes use princi ple balancing moments plans show location CG Lets say supposed 375 behind leading edge LE wing Since may convenient meas ure different fixed spot model lets use tip spinner end crankshaft Lets seethe CG should 1075 point Hmmm After finding marking balance point new model find CG actually 10375 reference point means plane nose-heavy weve got add some weight tail Wed like add little weight possible well put near tail possible Measuring plane find can add some weight inconspicuously point 31 inches reference point much weight find out answer question well have use little arithmetic multi plication division some algebra will multiply distance reference point nose location actual CG weight model add product distance reference point place can add ballast times unknown added weight divide sum models weight unknown added weight Well set 152 Model Aviation Complete DIN Line ofFx~ - Quality Finishing Products DIN Pto FESSIONALS CHOICE Kin Craft Mig 14323 TwIn Ridge Court Ashland Kentucky 41101 606 928-4763 ASK FOR US AT TOUR FAVORITE HOllY SHOP GONTIOLINI TillS PROFILECOMBA 7RA T WIDE & NARROW WEDGE 75 -- 6 Capacities INIFLOW & STIIDD Guiton Dliii Fuels Ingredients Fof detailed brochuaCOc stamps/check oisi CAROLINA-TAFFINDER 8345 Delhi Road charleston Hgts. SC 29418 803-563-7169 DeHAVILLAND BEAVER GIANT SCALE 96 4CYCLE9O120 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST ox 566 Auburn WA 98071 206941-8248 equal distance reference point CG ought answer will number ounces ballast well have add new model weighs four pounds six ounces thats 70 ounces Since weve got other measurements well write simple little formula 10375 x 70 oz x X oz/ 70 oz Using algebra collecting terms well simplify 72625 X/70 075 72625 X X 310 X 1075 X 72625 2025 X X 2625/2025 oz So new plane should balance add 13 oz ballast point 31 back nose-tip reference point matter about holding firewall motor mount epoxy matter before commercial glue came tube bought jars melted nitrate photographic negatives acetone good old days have years didnt someone think before gadgets dihedral CG stand thing Ace RC good friend Red Costlow sent us preproduc tion version device have finally found accurate way block up surfaces dihedraling youve found Christ mas stocking means get No hunting around boxes books never just exactly right height simply hold surface tip onto horizontal dowel clothespin sand bevel Infinitely adjustable positive lock stand enables duplicate angle over over again have added inch marks onto vertical dowels dont need find ruler simplistic little tool real bargain highly recommended aiss Texaco SAM 49ers pro moting another new concept Texaco events Briefly model must antique design prior December 31 1938 powered Class 20 cid under engine Fuel allotment 10cc per flight Max 15 minutes three attempts Scaling up down permit ted other rules follow SAM RC outlines appeal see larger sizes AA Texaco event lesstemperamental engines other hand models will certainly easier transport big Texaco~ ninefooters intend give event trial would appreciate hearing others trying plans searchers Readers looking plans Cyclone Aircraft Heath Bull Pup Triangle Dictator three sizes Anyone might have asked advise Both designs worth reviving Immediately after submitting %A Texaco Clipper Junior photo February column Sal Taibi president Society Antique Modelers issued emergency ruling prohibiting enlargement rubber-power designs event seems bud dies wrote him ask about legality since rules both Free Flight RC Assist didnt say thing about limiting Power events Gas designs brings us Bill Schmidts spark-ignition Black Widow Fortunately Y2A Texaco rules rather specific allowing fuel pickup muffler needle valve throttle mods basis sparker isnt legal Thats probably just well considers long darn thing would run tank gas oil extended motor-run times allowed SAM Free Flight RC events using ignition-converted glow engines certainly make sparker attractive proposition however Lets face dern thing cute weve got have excuse own use Dee B Mathews 8420 Nantucket Wichita KS 67212 April1985 153 Ole Reliable 1938 Old Timer Doc Mathews i LONU JOUR Ultimate Fun Fly Competition Model Ideal Sunday Flyer LIST PRICE 94 S 5995 Introductory prIce offor lImIted tIme Curtis Model Aircraft 3002 M Canterbury CIrcle Shernian Texas 75090 AC 214-8934135 Heres equipment need give props very best balance--balance directions Caref idly crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes available special order Dealers iovited $179S Adil $150 HOWARD B HUEBI ocpess postep hoedline Mini 6% nit tax MoC0Ds So, 02 Ro S MnkaOo MN 56001 19.35 Engine Econo-Kit $5495 Deluxe-Kit $6495 Shipping Machine cut spruce & balsa Illustrated instructions RESIDENTS Fun-Line Models NOrE KANSAS SALES TAX PO Box 2392 Shawnee Mission Kansas 66201
Edition: Model Aviation - 1985/04
Page Numbers: 54, 55, 152, 153
Radio Control Old-Timers DrDB Mathews AND NOW Ontario Commando month feature still another sleeper Seldom seen competition design has opinion very excel lent potential A-Cabin Free Flight Glow Ignition RC Assist Kitted Ontario Model Aircraft Toronto Canada Commando advertised September 1942 issue Air Trails magazine Thats about close SAM cutoff date December 1942 can get three-view drawing also shown same page Gordon S Lights Dope Can column Aerodynamically wing stab air foilsas well momentsstrongly suggest reduced-size Buzzard Bomb shell However outlines construc tion show touch Berkeley Brigadeer Little peculiar building techniques 351 San Diego Aeroneers aidest clubs country will holding special Golden Anniversary activIties throughout 1985 Former members shouid contact George Wagner 2879 Marathon Dr San Diego CA 92128 famous modeicre have members club such Joe Weathers Bill Atwood sad dened hear Joe Weathers passed away December 6 1984 Bombshell present making really easy building /2A version has proven bit large power available yet once some altitude has gained glide excellent good thermaling tenden cies Powered maximum legal engine 16 cu Commando should climb like scalded cat still glide well have sufficiently impressed motivate development 900-sq-in version 40 cid two-cycle As readers aware Buzzard Bombshell legal 36 cid under SAMs 225-sq-in per 10 cu rule will certainly interesting compare two next spring L L L L K 7 fl ONTARIO MODELCRAFT I 'COMMANDO' WINGSPAN5O INS WING AREA SQ INS IPUBLISHED AIR TRAILS 9/42 r --i-IJ MAX POWER FOR SAM cOMPETITION 012345681012 As Free Flight Commando could excellent choice Cabin ad states Can powered Rogers other first-class engine Most anyone has run Rogers would smile bit first-class nonetheless good 19 23 ignition would sure move design 54 Model Aviation Docs newest find Ontario Commando likes tar Uabin SAM FF events tried out flight characteristics version shown Kitted Canada ads appeared September 1942 issue Air Trails Commando well suited John Morrels Simplex 19 address 143 Richmond St El Segundo CA 90245 plans 350 sq available John Pond Plans PO Box 3215 San Jose CA 95156 Order plan No 1D5 Berkeley Bills plans WE WE Technical Services PO Box 76884 Atlanta GA 30328 other Bill Effinger old Berkeley Models has sale long list updated RC OldTimers well Scale subjects planpattern form have closely examined find quality completeness exceptional subjects well-engineered profusely-illustrated comprehensive instructions Subjects range delightfully ugly Berkeley Buccaneer Standard first gas design sell dollar foot span quarter-scale SE-SA unhesitat ingly recommend Continued page 152 HObbY Horn Old Timer /tom 1/ LaaZss 9 GAS MODEL Jl4odzL L7Ar1aL 9EC000 IREASE5 1941 BROOKLYN DODGER 56 Cabin""NEWEST5 Retail S5295**INTRODUCTORY PRICES39O0 1938 Record Breaker 96 $6956 lO3GZipper 54$5356 1938 Kloud King 63 $4236 1941 Brigidier 56 $4076 1 941 Super Quake- 78 $72 76 1946 So Long 50$30 36 1936 Buccaneer 04 $5996 1938 Clipper MKI 72$4156 1937 Dallaire 100 $7516 1935 Miss America 84 $7196 1941 Playboy Sr 80 $5116 1941 Playboy Jr 54 $3116 1938 Powerhouse 84 $53 56 1940 Sailplane 78 $8476 1938 Trenton Terror 72 $4076 1940 Ranger 46$3196 1939 Korda Wake 44 $1916 1939 Mercury 72 6 kits qualify SAM events FF & RIG feature highest quality machine cut & sanded parts Superior Competition sheet strip mood wire & window motorist Plans orig FF models easily convertible 3ch R IC KITS Sailplanes Electric power Gas Hobby Horn SENSOAR Glider 78 $1800 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models PLINGER R/G HLG 50 Span $2400 Midway Model PAST EDDIE Aerobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05s$325O Leisure PLAYBOY SR 67 Gear 05 Elect $3000 Astro ASTRO SPORT 37 Direct 05 Elect $2210 Leisure WASP 37 Direct 05 Electrics $2250 Midway ULTRA MK IV 86 Geared 04 EP $3900 Midway PLYING QUAKER 04 40-454 stroke $6476 4ks/Midway DENNY JR 72 Alum Comel $6396 4ks/Midway BUZZARD BOMBSHELL 72$5196 PULL LINE OP ELECTRIC SYSTEMS 0 Parts Avail SHIPPING 8 HANDLING 64 Page CATALOGUE Up $000 add $150 $200 PP/tot Class $801 $2000 add $225 copy will sent $2001 $4500 add $300 free-when requested$4501 $7000 add $350 order over $7000 add $406 HOBBY HORN CA Addressees add 6% tax 15173 Moran St [Al Send MO Visa/MCI#sExp PO Box 2212 Check allow up 00 30 Westminster Ca 92604 days CK clearance 7141 8938311 COD Exact Charges plus $150 Hdl Cash Only [Aft Hrs 714095120311 WP 5- 7~ sorfl te n ~je dab 9S~e L2LjrnIY 1O aflC j~esS0 jg apa 7IrT8 eaSter 00rdb bWe3ACK~ irtl or ean I. fl JACI1NH] cr0 [V1 .jNI1 ite Cc nbC$9l P OO 7/ rii 4650~ Eu U 8 M rk8 md$2DEO DO4 April 1985 55 eoognize tfl5 back 0 modelers head its 1938 photo Sal Talbi original Powerhouse Joe Raspantes Dodge convertible background Bill Schmidt has everyone scratching heads over Ccx Black Widow 048 convened spark ignitionl Its legal SAM FF RC events except Texaco Gene Olivas pretty daughter holds fine Original Duccaneer plans Model Airplane News January 1980 Power Enys 60 fourstroker Hes Haledon NJ NIi JnO RCFS II RADIO CONTROLLED FLIGHT SIMULATOR John Kallend FOR APPLE 11 lie GREAT AS TRAINING AID FOR BEGINNER OR -PPm PIAJY AEROBATIC INCLUDING SPINS AND SNAP ROUS CONFIGURE FOR LARGE VARIETY OF MODELS FROM TRAINERS TO HOT AERORATIC MODELS USE WITH DAVE BROWN PRODUCTS DUAL JOY STICK TRANSMrITEW FOR THE MOST ACCURATE SIMULATION OF R/C PLYING CAN BE USED WITH ANY APPLE COMPATABLE JOYSTICK IT EVEN HAS DUAL RATE CONTROL SENSmVITY NOSE BEGUIREI APPLE II PUll 48K sInI E II WITH BIlE DRIVE AND AR APPLE COMPATARLE JOY 551CR OR DAVE BROWN PRODUCIS DUAl JOYSTICIC TEANIMmEB DAVE BROWN PRODUCTS Notice earlier discussion using hundreds watts turn large propellers fast takes less watt light flashlight So whats have motors batteries Electrics hangs together friends Stay tuned youll have lot insight Electrics work tune out maybe thisll help win some future contestsif meantime please direct ques tions SASE author Happy Electric landings Bob Kopski 25 West End Dr Lansdale PA 19446 RC Old-Timers/Mathews Continued page 55 Its glue Recently laying some laminated outlines down flashed through mind way Hank Struck others should have Available Now Commodore lLZ4\-\~4 V 4860 LAYHIGH HAMILTON OHIO 45013 done designs dawned us bent wire tubing original ly used Apache Cabruler forth werent done laminated balsa simply because nitrocellulose Ambroid Comet etc glue available adhesive such simple thing spray three four layers /16 / whatever dilute ammonia water coat layers aliphatic resin glue Sig Bond etc pull around form pins Hank likely now uses technique himself try Ambroid some time Weve seen TV commercials ask Wheres beef time another modelers must have asked Wheres CG weve built kit manufacturer has done work us shows us plans center gravity CG supposed fact better approximately shows us its supposed model going fly well crunch comes weve got latest masterpiece completed ready flight seldom happens CG has come out money want new plane live weve got add some ballast plane make CG move its sup posed Sure can use age-old cut-and-try method may too time-consuming difficult some cases What neat solution problem published recent edition news letter Lehigh Valley PA RC Club Tom Bilheimer editor order use method described youll need accurate scalepreferably graduated ounces Youll also need accurate ruler yardstick might better scheme described makes use princi ple balancing moments plans show location CG Lets say supposed 375 behind leading edge LE wing Since may convenient meas ure different fixed spot model lets use tip spinner end crankshaft Lets seethe CG should 1075 point Hmmm After finding marking balance point new model find CG actually 10375 reference point means plane nose-heavy weve got add some weight tail Wed like add little weight possible well put near tail possible Measuring plane find can add some weight inconspicuously point 31 inches reference point much weight find out answer question well have use little arithmetic multi plication division some algebra will multiply distance reference point nose location actual CG weight model add product distance reference point place can add ballast times unknown added weight divide sum models weight unknown added weight Well set 152 Model Aviation Complete DIN Line ofFx~ - Quality Finishing Products DIN Pto FESSIONALS CHOICE Kin Craft Mig 14323 TwIn Ridge Court Ashland Kentucky 41101 606 928-4763 ASK FOR US AT TOUR FAVORITE HOllY SHOP GONTIOLINI TillS PROFILECOMBA 7RA T WIDE & NARROW WEDGE 75 -- 6 Capacities INIFLOW & STIIDD Guiton Dliii Fuels Ingredients Fof detailed brochuaCOc stamps/check oisi CAROLINA-TAFFINDER 8345 Delhi Road charleston Hgts. SC 29418 803-563-7169 DeHAVILLAND BEAVER GIANT SCALE 96 4CYCLE9O120 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST ox 566 Auburn WA 98071 206941-8248 equal distance reference point CG ought answer will number ounces ballast well have add new model weighs four pounds six ounces thats 70 ounces Since weve got other measurements well write simple little formula 10375 x 70 oz x X oz/ 70 oz Using algebra collecting terms well simplify 72625 X/70 075 72625 X X 310 X 1075 X 72625 2025 X X 2625/2025 oz So new plane should balance add 13 oz ballast point 31 back nose-tip reference point matter about holding firewall motor mount epoxy matter before commercial glue came tube bought jars melted nitrate photographic negatives acetone good old days have years didnt someone think before gadgets dihedral CG stand thing Ace RC good friend Red Costlow sent us preproduc tion version device have finally found accurate way block up surfaces dihedraling youve found Christ mas stocking means get No hunting around boxes books never just exactly right height simply hold surface tip onto horizontal dowel clothespin sand bevel Infinitely adjustable positive lock stand enables duplicate angle over over again have added inch marks onto vertical dowels dont need find ruler simplistic little tool real bargain highly recommended aiss Texaco SAM 49ers pro moting another new concept Texaco events Briefly model must antique design prior December 31 1938 powered Class 20 cid under engine Fuel allotment 10cc per flight Max 15 minutes three attempts Scaling up down permit ted other rules follow SAM RC outlines appeal see larger sizes AA Texaco event lesstemperamental engines other hand models will certainly easier transport big Texaco~ ninefooters intend give event trial would appreciate hearing others trying plans searchers Readers looking plans Cyclone Aircraft Heath Bull Pup Triangle Dictator three sizes Anyone might have asked advise Both designs worth reviving Immediately after submitting %A Texaco Clipper Junior photo February column Sal Taibi president Society Antique Modelers issued emergency ruling prohibiting enlargement rubber-power designs event seems bud dies wrote him ask about legality since rules both Free Flight RC Assist didnt say thing about limiting Power events Gas designs brings us Bill Schmidts spark-ignition Black Widow Fortunately Y2A Texaco rules rather specific allowing fuel pickup muffler needle valve throttle mods basis sparker isnt legal Thats probably just well considers long darn thing would run tank gas oil extended motor-run times allowed SAM Free Flight RC events using ignition-converted glow engines certainly make sparker attractive proposition however Lets face dern thing cute weve got have excuse own use Dee B Mathews 8420 Nantucket Wichita KS 67212 April1985 153 Ole Reliable 1938 Old Timer Doc Mathews i LONU JOUR Ultimate Fun Fly Competition Model Ideal Sunday Flyer LIST PRICE 94 S 5995 Introductory prIce offor lImIted tIme Curtis Model Aircraft 3002 M Canterbury CIrcle Shernian Texas 75090 AC 214-8934135 Heres equipment need give props very best balance--balance directions Caref idly crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes available special order Dealers iovited $179S Adil $150 HOWARD B HUEBI ocpess postep hoedline Mini 6% nit tax MoC0Ds So, 02 Ro S MnkaOo MN 56001 19.35 Engine Econo-Kit $5495 Deluxe-Kit $6495 Shipping Machine cut spruce & balsa Illustrated instructions RESIDENTS Fun-Line Models NOrE KANSAS SALES TAX PO Box 2392 Shawnee Mission Kansas 66201