Radio Control Old-Timers several comments nevertheless apply judgement wing bit overstructured ribs two-inch centers 72-in version /I6 x -in spars front rear Furthermore triple-spar arrangement used center section outboard gull break Apparently plywood too expensive use kit Id sure substitute A6-in ply gussets consider spreading ribs out bit stab other hand looks bit too fragile Id use wider trailing edge BATTERY TRAY substitute heavier sparor double-spar aspect ratio size stab really disproportionate would likely stand up under RC stresses presently designed fuselage OK exception very marginal landing gear wire size attach ment Hardwood cross-blocks nylon straps such Vortac units would great Since Spook isnt going compete well Playboy bunch anyway little added weight isnt going bother pure sport-and-to-heckFRONTS REAR SPARS BUILT DIRECTLY ON PLAN AS SHOWN ON FRONT VIEW ADD FRONT S REAR SEE TOP VIEW Dr DB Mathews _ AT LEAST NOTE DOWNTHRUST NOT SHOWN WHEN USING OHLG5ON 60 ENGINE SPOOK months featured Old-Timer personal all-time favorites although Ive never built Modelcraft Spook possessed distinct esthetic appeal undeniable distinctive gull wing long thin outlines combine pretty fair aerody namics create what has become truly classic Old-Timer Ive always sneaking suspicion Joe Weathers Mystery Man published June 1939 Air Trails might have influ ence Barney Snyders Spook introduced June 1940 After Weathers living San Diego Modelcraft shop kit operation Los Angeles Frankly speculation source inspiration bit immaterial both designs distinctively appealing Spook also has vertical fin closely resembles used Ray Heit Scram agaln what Modelcraft kitted Spook 48-in size designed around O&R 23 Hi-Speed Bullet ubiquitous Brownie larger 72-in version class C power primarily meaning O&R 60 As matter fact early ads contain interesting claim first model can handle O&R 60 full throttle Id think Berkeley its Super Buccaneer Comet its Sailplane might have some quarrel statement Another tidbit early Spook ad says Spook 48 flown Jack Muir did nine minutes 11 seconds official chased model hour 30 minutes recovered two weeks later 47 miles takeoff spot finally kit sold $150 $395 respectively includes dope cement covering wheels same ad Modelcraft listed O&R 19 $1450 60 $2150 build one. Admittedly its easy sit 48 years later find sorts potential problems Old-Timer design SEC AT SHOWN 2 X SCALE 9 6 r FA -fr_ 9BATT /\7Z USIGNED72 BY BARNEY SNYDER DESIGN MODIFIED FROM SPOOK 48 WINGSPAN 72 INS POWER-ANY CLASS C ENGINE KIT MPG BY MODELCRAFT LA CA 7 SCALE IN INCHES 0123456B 10 12 Spooks Modeicrafts late-Thirties design unique grace beauty left isa reduced-size Spook48 for1/2A Texaco Jerry Simpson its buiider Photo Jim Aiaback/San Diego Aeroneers Spook right seen Baisa USA floats handiwork George Kyer Jr Carnation WA weighs 5 lb powered ST 35 Davis Diesel conversion Craft covered Siikspun Coverite clear nitrate dope uses Kraft radio Litco servos 48 Model Aviation NOTE COIL S BATTERY ARE MOUNTED ON TRAY FOR EAZY ACCESS S HELD BY RUBBER BANDS LONGERONS ARE ROUNDED SEE SEC AT Pat Birdwelis great 60-sizeCumuiuswelghs 51/21b uses ST 60 power has blue Mono Kote covering 3-view appeared column April 1978 issue with-you-guys model additional cross bracing fuselage rear might good idea anyway George Kyers Spook appears photos selection Supertigre 35 Davis Diesel conversion driving largish prop seems excellent choice power Id sure hate see Spook powered Schnuerle 40 screamer Another power plant Id seriously consider trying would delightful inexpensive K&B 20 Sportster Obviously 40 four-stroker would just something else Spook plans available John Pond usual some reason didnt have patterns stab fin ribs So build up blanks block-sand alrfoil taper after assembly Modelcraft Spook great choice fun Old-Timer lots unusual appeal need material As always need photos unusual Old-Timer subjects please no Play boys Bombers Any inputs Electric OldTimers would helpful would historical goodies magazine able successfully reproduce good color prints black-andwhite pictures get out box Brownie take some pics weird old model New products such just mentioned pleased new K&B Sportster 20 40 Id also like comment remarkably efficient mufflers come engines muffler used engines make little noise fourstroker So can done thick cyanoacrylate glues speed up assembly fill gaps darn well Theyre sort crutch bad craftsmanship Unfortunately two ounces thick substance doesnt go nearly far same quantity thin pieces dont fit super-strong joint needed have place armament arium adhesives various fuzzy-covered Mylar hinge materContinued page 140 PRECISION MODEL PRODUCTS gsA Made U S BARSTOCK L ALA SIZE 1-3/4 2 4 .2-1/4FAI .2-1/2 2FAI .2-3/4 2-3/4FAI FAI HIAIL AtI4OX PRICEWT $1295 095 OZ 1395 1000Z 1495 1550Z 1695 1450Z 1695i660Z 16951 660Z 19952150Z 2195 Z 2395 OZ 2595 247 OZ 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $3 00 Per Spinner PROP NUT ADAPTORS PART NOSIZE fl-i 40-A1/4-26 TT-610-A6x 10mm TT-710-A7x 10mm TT-516-A5/16-24 TT-610-Aax 10mm TT-625-Aax 125mm TT-375-A3/6-24 TT-125-AlOx 125mm 3 Piece Set Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 THE LEADER IN COMPETITION NEW SERIES 100 THP DESIGN DIAPRICE 12299 _______ 13379 14479 15669 16989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833/456179 B334566189 84566/7199 94566/77A199 104566/,7209 106W8W209 106EW219 1146777/a78229 115W229 11BEW239 1167239 124W279 12SW279 1256279 1356349 1456459 1556659 164/N969 16678969 PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH Ti-IP 677 8 677 /28 67 678 September 1987 49 Dave Shoup Riverton WY files Old Square Sides July 1940 Air Trails 5000-ft elevation Saito 40 four-stroke power Hes converted ignition C&Hs CDsystemandltwlllrunlSminonl ozof gas/oil mixture Bill Winter designed plane using psuedonym John Sprague PART NO fl-i 75-B TT-200-B TT-225-6 TT-226-B TT-250-B TT-251 -B TT-275-8 TT-276-B TT-300-6 TT-301 -B RETAIL APPROX PRICE WT $395061 OZ 3-95 063 OZ 395 062 OZ 395 076 OZ 395 076 OZ 395 075 OZ 495 117 OZ 495 1 150Z II RC PYLON RACING SERIES 500 DIAPITCHPRICE 7SN 5/N279 8I67/78299 SERIES 400C 86677/z7269 977A7/289 W WIDE BLADE EW EXTRA WIDE N NARROW 1 TRIM KNIFE Trim Knife designed precisely edge trim excess cover ing material model Can used outside edges straight curved Blade can set trom 1/16 1/4 simple adlustment screw Trim Knife mill make perfect overlap ous seams Works witn cover ig materials 6 blades Trim Knife Set includes 6 blades $900 Trim Knife Blades 5 per pack $300 m -IA No Notches Straight Cuts Heavy duty estra sharp no notch blade Same sice regular blades tip does flex cusing strip png thicker materials Great big birds Big Bird Blades box 100 blades$950 Trial size package 20 blades$250 RC Scale/Wischers Continued page 137 flights between charges Heavy flight loads single servo also place extra drain batteries Hobbypoxy colors Pettit Paint Co manufac turers Hobbypoxy products has published mulas mixing colors used contemporary Israeli Air Force aircraft colors Pale Green FS-34227 Tan FS-30219 Sand FS-33531 Light Gray FS-36622 Two colors Tan Light Gray same used contemporary USAF aircraft published column earlier formulas Light Gray 12 parts HIO White five parts H55 Cream two parts H70 Gray Tan five parts H65 Bright Red three parts HIO White two parts H49 Cub Yellow part H70 Gray part H81 Black Pale Green II parts H70 Gray seven parts H47 Bright Yellow part H24 Dark Blue part H Ifi White part H57 Bright Orange Sand 14 parts H55 Cream two parts H70 Gray part H65 Bright Red part HIO White Bob Dolly Wiseher 5-22] Lapham Peak Rd Delafield WI 530 J8 RC Old-Timers/Mathews Continued page 49 ials Lake Rocket City now Sig sure easy install particularly strip stock like use Old-Timers need cut slot wood knife slide hinge dry flow thin CyA glue seam bit stiff like Old-Timers control surface air loads usually low control inputs infrequent additional battery drain due stiff hinges likely insignificant Finally note some amusement other Old-Timer columnists another pub lication challenges us report onand take stand aboutthe raging dispute hassle over SAM Society Antique Modelers RC competition rules will compete national level primarily due sort hostility competition tends create what otherwise nice people included fore express own opinions would totally unfair intent column influence opinion rather create interest fascinating aspect hobby chronicle its history hope various sundry warring parties will soon recognize damage such attitudes doing will get back basic function recreational activity. enjoy what Its worth Ive spent last eight months developing ELT entry-level trainer trying combine aerodynamic parameters Old-Timer easier construction techniques contemporary design Talk about challenge sixth revision currently flying both OS 20 four-stroker K&B 20 Sportster two-stroker results develop ment flying perhaps significant worth comment friend flying site recently called attention OS four-stroker aw first Surpass series though advertised such correct Just take look bubbles head covers. high-lift cams forth have obviously used Further switching engines produces virtually no difference linear velocity models flight Conclusion least instance 20 four-stroker right 20 twostroker Dee B Mathews 909 Maize Rd Townhouse 734 Wichita KS 87212 RC Giant Scale/de Vries Continued page 51 ignitionone can reached safely outside model Im suggesting yet another servo-operated kill switch What Im saying safety redundancy manual switch such positive factors such switches should used much universally now subject good friend Ed Carrol suggested rather simple effective idea redundif transmitter adding couple wires plug switch Ed has dual-battened Krafts Futabas hes flown several times during day simple flip switch gives him freshly charged battery transmitter hes off two-day weekend Giant rally really doesnt have worry about having stay motel recharge trans mitter actual use Ed has stuck extra set transmitter batteries back case some Velcro doesnt look sexy system works like gangbusters have give credit inspiration column newfound friend John P Violette LaPlace LA Johns magnificent B-17G model appears months effort rather exten sive correspondence John fully documented history prototype Fortress Con gressional Medals Honor awarded its crewand developed what amounts complete history well Boeings letter Charles 0 Brown 8101 Sonar Rl Clinton MD 20735 Charlies gone route trying document specific Grumman Bearcat has come up empty Any out can provide photos anything concerned F8F-2 civilian llcense number N7700C flown air shows Bill Fornoff se drop Charlie line know Dan Lutz will happy see Boeing F4B-2 months column Since Dans picture know hes recovered its just physical recovery either since hes back workshop first met Dan gave SO-cent tour Kraft factory like fivebuck tour about 10 years ago Emil Agosta Dry Ridge Models 59 McCurry RdWeavervilleNC28787isatitagain Back designing beautiful Giant models latest J-4 Sportster -scale has span 114 1824 sq wing area Itll powered OS Max 91 FSR bones weigh tad under seven pounds guessti mate radio engine covering ultralight Scale model will top out between 12 13 lb prototype model flown Emil will probably offer drawings maybe kit Bill Hannans done another onel Volume 2 Intern ational Peanuts & Pistachios out 140 Model Aviation INTERCEPTOR Ready Fly $695 U build Kit $4 95 Note Please odd $3 P & H 1st 3 models Add tO % price additional model COMPANY PO Box 68132 Portland OR 97268 Fokker D-VII VK Model Aircraft PO Box 3007 Aurora IL 60505 312-357-1883
Edition: Model Aviation - 1987/09
Page Numbers: 48, 49, 140
Radio Control Old-Timers several comments nevertheless apply judgement wing bit overstructured ribs two-inch centers 72-in version /I6 x -in spars front rear Furthermore triple-spar arrangement used center section outboard gull break Apparently plywood too expensive use kit Id sure substitute A6-in ply gussets consider spreading ribs out bit stab other hand looks bit too fragile Id use wider trailing edge BATTERY TRAY substitute heavier sparor double-spar aspect ratio size stab really disproportionate would likely stand up under RC stresses presently designed fuselage OK exception very marginal landing gear wire size attach ment Hardwood cross-blocks nylon straps such Vortac units would great Since Spook isnt going compete well Playboy bunch anyway little added weight isnt going bother pure sport-and-to-heckFRONTS REAR SPARS BUILT DIRECTLY ON PLAN AS SHOWN ON FRONT VIEW ADD FRONT S REAR SEE TOP VIEW Dr DB Mathews _ AT LEAST NOTE DOWNTHRUST NOT SHOWN WHEN USING OHLG5ON 60 ENGINE SPOOK months featured Old-Timer personal all-time favorites although Ive never built Modelcraft Spook possessed distinct esthetic appeal undeniable distinctive gull wing long thin outlines combine pretty fair aerody namics create what has become truly classic Old-Timer Ive always sneaking suspicion Joe Weathers Mystery Man published June 1939 Air Trails might have influ ence Barney Snyders Spook introduced June 1940 After Weathers living San Diego Modelcraft shop kit operation Los Angeles Frankly speculation source inspiration bit immaterial both designs distinctively appealing Spook also has vertical fin closely resembles used Ray Heit Scram agaln what Modelcraft kitted Spook 48-in size designed around O&R 23 Hi-Speed Bullet ubiquitous Brownie larger 72-in version class C power primarily meaning O&R 60 As matter fact early ads contain interesting claim first model can handle O&R 60 full throttle Id think Berkeley its Super Buccaneer Comet its Sailplane might have some quarrel statement Another tidbit early Spook ad says Spook 48 flown Jack Muir did nine minutes 11 seconds official chased model hour 30 minutes recovered two weeks later 47 miles takeoff spot finally kit sold $150 $395 respectively includes dope cement covering wheels same ad Modelcraft listed O&R 19 $1450 60 $2150 build one. Admittedly its easy sit 48 years later find sorts potential problems Old-Timer design SEC AT SHOWN 2 X SCALE 9 6 r FA -fr_ 9BATT /\7Z USIGNED72 BY BARNEY SNYDER DESIGN MODIFIED FROM SPOOK 48 WINGSPAN 72 INS POWER-ANY CLASS C ENGINE KIT MPG BY MODELCRAFT LA CA 7 SCALE IN INCHES 0123456B 10 12 Spooks Modeicrafts late-Thirties design unique grace beauty left isa reduced-size Spook48 for1/2A Texaco Jerry Simpson its buiider Photo Jim Aiaback/San Diego Aeroneers Spook right seen Baisa USA floats handiwork George Kyer Jr Carnation WA weighs 5 lb powered ST 35 Davis Diesel conversion Craft covered Siikspun Coverite clear nitrate dope uses Kraft radio Litco servos 48 Model Aviation NOTE COIL S BATTERY ARE MOUNTED ON TRAY FOR EAZY ACCESS S HELD BY RUBBER BANDS LONGERONS ARE ROUNDED SEE SEC AT Pat Birdwelis great 60-sizeCumuiuswelghs 51/21b uses ST 60 power has blue Mono Kote covering 3-view appeared column April 1978 issue with-you-guys model additional cross bracing fuselage rear might good idea anyway George Kyers Spook appears photos selection Supertigre 35 Davis Diesel conversion driving largish prop seems excellent choice power Id sure hate see Spook powered Schnuerle 40 screamer Another power plant Id seriously consider trying would delightful inexpensive K&B 20 Sportster Obviously 40 four-stroker would just something else Spook plans available John Pond usual some reason didnt have patterns stab fin ribs So build up blanks block-sand alrfoil taper after assembly Modelcraft Spook great choice fun Old-Timer lots unusual appeal need material As always need photos unusual Old-Timer subjects please no Play boys Bombers Any inputs Electric OldTimers would helpful would historical goodies magazine able successfully reproduce good color prints black-andwhite pictures get out box Brownie take some pics weird old model New products such just mentioned pleased new K&B Sportster 20 40 Id also like comment remarkably efficient mufflers come engines muffler used engines make little noise fourstroker So can done thick cyanoacrylate glues speed up assembly fill gaps darn well Theyre sort crutch bad craftsmanship Unfortunately two ounces thick substance doesnt go nearly far same quantity thin pieces dont fit super-strong joint needed have place armament arium adhesives various fuzzy-covered Mylar hinge materContinued page 140 PRECISION MODEL PRODUCTS gsA Made U S BARSTOCK L ALA SIZE 1-3/4 2 4 .2-1/4FAI .2-1/2 2FAI .2-3/4 2-3/4FAI FAI HIAIL AtI4OX PRICEWT $1295 095 OZ 1395 1000Z 1495 1550Z 1695 1450Z 1695i660Z 16951 660Z 19952150Z 2195 Z 2395 OZ 2595 247 OZ 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $3 00 Per Spinner PROP NUT ADAPTORS PART NOSIZE fl-i 40-A1/4-26 TT-610-A6x 10mm TT-710-A7x 10mm TT-516-A5/16-24 TT-610-Aax 10mm TT-625-Aax 125mm TT-375-A3/6-24 TT-125-AlOx 125mm 3 Piece Set Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 THE LEADER IN COMPETITION NEW SERIES 100 THP DESIGN DIAPRICE 12299 _______ 13379 14479 15669 16989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833/456179 B334566189 84566/7199 94566/77A199 104566/,7209 106W8W209 106EW219 1146777/a78229 115W229 11BEW239 1167239 124W279 12SW279 1256279 1356349 1456459 1556659 164/N969 16678969 PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH Ti-IP 677 8 677 /28 67 678 September 1987 49 Dave Shoup Riverton WY files Old Square Sides July 1940 Air Trails 5000-ft elevation Saito 40 four-stroke power Hes converted ignition C&Hs CDsystemandltwlllrunlSminonl ozof gas/oil mixture Bill Winter designed plane using psuedonym John Sprague PART NO fl-i 75-B TT-200-B TT-225-6 TT-226-B TT-250-B TT-251 -B TT-275-8 TT-276-B TT-300-6 TT-301 -B RETAIL APPROX PRICE WT $395061 OZ 3-95 063 OZ 395 062 OZ 395 076 OZ 395 076 OZ 395 075 OZ 495 117 OZ 495 1 150Z II RC PYLON RACING SERIES 500 DIAPITCHPRICE 7SN 5/N279 8I67/78299 SERIES 400C 86677/z7269 977A7/289 W WIDE BLADE EW EXTRA WIDE N NARROW 1 TRIM KNIFE Trim Knife designed precisely edge trim excess cover ing material model Can used outside edges straight curved Blade can set trom 1/16 1/4 simple adlustment screw Trim Knife mill make perfect overlap ous seams Works witn cover ig materials 6 blades Trim Knife Set includes 6 blades $900 Trim Knife Blades 5 per pack $300 m -IA No Notches Straight Cuts Heavy duty estra sharp no notch blade Same sice regular blades tip does flex cusing strip png thicker materials Great big birds Big Bird Blades box 100 blades$950 Trial size package 20 blades$250 RC Scale/Wischers Continued page 137 flights between charges Heavy flight loads single servo also place extra drain batteries Hobbypoxy colors Pettit Paint Co manufac turers Hobbypoxy products has published mulas mixing colors used contemporary Israeli Air Force aircraft colors Pale Green FS-34227 Tan FS-30219 Sand FS-33531 Light Gray FS-36622 Two colors Tan Light Gray same used contemporary USAF aircraft published column earlier formulas Light Gray 12 parts HIO White five parts H55 Cream two parts H70 Gray Tan five parts H65 Bright Red three parts HIO White two parts H49 Cub Yellow part H70 Gray part H81 Black Pale Green II parts H70 Gray seven parts H47 Bright Yellow part H24 Dark Blue part H Ifi White part H57 Bright Orange Sand 14 parts H55 Cream two parts H70 Gray part H65 Bright Red part HIO White Bob Dolly Wiseher 5-22] Lapham Peak Rd Delafield WI 530 J8 RC Old-Timers/Mathews Continued page 49 ials Lake Rocket City now Sig sure easy install particularly strip stock like use Old-Timers need cut slot wood knife slide hinge dry flow thin CyA glue seam bit stiff like Old-Timers control surface air loads usually low control inputs infrequent additional battery drain due stiff hinges likely insignificant Finally note some amusement other Old-Timer columnists another pub lication challenges us report onand take stand aboutthe raging dispute hassle over SAM Society Antique Modelers RC competition rules will compete national level primarily due sort hostility competition tends create what otherwise nice people included fore express own opinions would totally unfair intent column influence opinion rather create interest fascinating aspect hobby chronicle its history hope various sundry warring parties will soon recognize damage such attitudes doing will get back basic function recreational activity. enjoy what Its worth Ive spent last eight months developing ELT entry-level trainer trying combine aerodynamic parameters Old-Timer easier construction techniques contemporary design Talk about challenge sixth revision currently flying both OS 20 four-stroker K&B 20 Sportster two-stroker results develop ment flying perhaps significant worth comment friend flying site recently called attention OS four-stroker aw first Surpass series though advertised such correct Just take look bubbles head covers. high-lift cams forth have obviously used Further switching engines produces virtually no difference linear velocity models flight Conclusion least instance 20 four-stroker right 20 twostroker Dee B Mathews 909 Maize Rd Townhouse 734 Wichita KS 87212 RC Giant Scale/de Vries Continued page 51 ignitionone can reached safely outside model Im suggesting yet another servo-operated kill switch What Im saying safety redundancy manual switch such positive factors such switches should used much universally now subject good friend Ed Carrol suggested rather simple effective idea redundif transmitter adding couple wires plug switch Ed has dual-battened Krafts Futabas hes flown several times during day simple flip switch gives him freshly charged battery transmitter hes off two-day weekend Giant rally really doesnt have worry about having stay motel recharge trans mitter actual use Ed has stuck extra set transmitter batteries back case some Velcro doesnt look sexy system works like gangbusters have give credit inspiration column newfound friend John P Violette LaPlace LA Johns magnificent B-17G model appears months effort rather exten sive correspondence John fully documented history prototype Fortress Con gressional Medals Honor awarded its crewand developed what amounts complete history well Boeings letter Charles 0 Brown 8101 Sonar Rl Clinton MD 20735 Charlies gone route trying document specific Grumman Bearcat has come up empty Any out can provide photos anything concerned F8F-2 civilian llcense number N7700C flown air shows Bill Fornoff se drop Charlie line know Dan Lutz will happy see Boeing F4B-2 months column Since Dans picture know hes recovered its just physical recovery either since hes back workshop first met Dan gave SO-cent tour Kraft factory like fivebuck tour about 10 years ago Emil Agosta Dry Ridge Models 59 McCurry RdWeavervilleNC28787isatitagain Back designing beautiful Giant models latest J-4 Sportster -scale has span 114 1824 sq wing area Itll powered OS Max 91 FSR bones weigh tad under seven pounds guessti mate radio engine covering ultralight Scale model will top out between 12 13 lb prototype model flown Emil will probably offer drawings maybe kit Bill Hannans done another onel Volume 2 Intern ational Peanuts & Pistachios out 140 Model Aviation INTERCEPTOR Ready Fly $695 U build Kit $4 95 Note Please odd $3 P & H 1st 3 models Add tO % price additional model COMPANY PO Box 68132 Portland OR 97268 Fokker D-VII VK Model Aircraft PO Box 3007 Aurora IL 60505 312-357-1883
Edition: Model Aviation - 1987/09
Page Numbers: 48, 49, 140
Radio Control Old-Timers several comments nevertheless apply judgement wing bit overstructured ribs two-inch centers 72-in version /I6 x -in spars front rear Furthermore triple-spar arrangement used center section outboard gull break Apparently plywood too expensive use kit Id sure substitute A6-in ply gussets consider spreading ribs out bit stab other hand looks bit too fragile Id use wider trailing edge BATTERY TRAY substitute heavier sparor double-spar aspect ratio size stab really disproportionate would likely stand up under RC stresses presently designed fuselage OK exception very marginal landing gear wire size attach ment Hardwood cross-blocks nylon straps such Vortac units would great Since Spook isnt going compete well Playboy bunch anyway little added weight isnt going bother pure sport-and-to-heckFRONTS REAR SPARS BUILT DIRECTLY ON PLAN AS SHOWN ON FRONT VIEW ADD FRONT S REAR SEE TOP VIEW Dr DB Mathews _ AT LEAST NOTE DOWNTHRUST NOT SHOWN WHEN USING OHLG5ON 60 ENGINE SPOOK months featured Old-Timer personal all-time favorites although Ive never built Modelcraft Spook possessed distinct esthetic appeal undeniable distinctive gull wing long thin outlines combine pretty fair aerody namics create what has become truly classic Old-Timer Ive always sneaking suspicion Joe Weathers Mystery Man published June 1939 Air Trails might have influ ence Barney Snyders Spook introduced June 1940 After Weathers living San Diego Modelcraft shop kit operation Los Angeles Frankly speculation source inspiration bit immaterial both designs distinctively appealing Spook also has vertical fin closely resembles used Ray Heit Scram agaln what Modelcraft kitted Spook 48-in size designed around O&R 23 Hi-Speed Bullet ubiquitous Brownie larger 72-in version class C power primarily meaning O&R 60 As matter fact early ads contain interesting claim first model can handle O&R 60 full throttle Id think Berkeley its Super Buccaneer Comet its Sailplane might have some quarrel statement Another tidbit early Spook ad says Spook 48 flown Jack Muir did nine minutes 11 seconds official chased model hour 30 minutes recovered two weeks later 47 miles takeoff spot finally kit sold $150 $395 respectively includes dope cement covering wheels same ad Modelcraft listed O&R 19 $1450 60 $2150 build one. Admittedly its easy sit 48 years later find sorts potential problems Old-Timer design SEC AT SHOWN 2 X SCALE 9 6 r FA -fr_ 9BATT /\7Z USIGNED72 BY BARNEY SNYDER DESIGN MODIFIED FROM SPOOK 48 WINGSPAN 72 INS POWER-ANY CLASS C ENGINE KIT MPG BY MODELCRAFT LA CA 7 SCALE IN INCHES 0123456B 10 12 Spooks Modeicrafts late-Thirties design unique grace beauty left isa reduced-size Spook48 for1/2A Texaco Jerry Simpson its buiider Photo Jim Aiaback/San Diego Aeroneers Spook right seen Baisa USA floats handiwork George Kyer Jr Carnation WA weighs 5 lb powered ST 35 Davis Diesel conversion Craft covered Siikspun Coverite clear nitrate dope uses Kraft radio Litco servos 48 Model Aviation NOTE COIL S BATTERY ARE MOUNTED ON TRAY FOR EAZY ACCESS S HELD BY RUBBER BANDS LONGERONS ARE ROUNDED SEE SEC AT Pat Birdwelis great 60-sizeCumuiuswelghs 51/21b uses ST 60 power has blue Mono Kote covering 3-view appeared column April 1978 issue with-you-guys model additional cross bracing fuselage rear might good idea anyway George Kyers Spook appears photos selection Supertigre 35 Davis Diesel conversion driving largish prop seems excellent choice power Id sure hate see Spook powered Schnuerle 40 screamer Another power plant Id seriously consider trying would delightful inexpensive K&B 20 Sportster Obviously 40 four-stroker would just something else Spook plans available John Pond usual some reason didnt have patterns stab fin ribs So build up blanks block-sand alrfoil taper after assembly Modelcraft Spook great choice fun Old-Timer lots unusual appeal need material As always need photos unusual Old-Timer subjects please no Play boys Bombers Any inputs Electric OldTimers would helpful would historical goodies magazine able successfully reproduce good color prints black-andwhite pictures get out box Brownie take some pics weird old model New products such just mentioned pleased new K&B Sportster 20 40 Id also like comment remarkably efficient mufflers come engines muffler used engines make little noise fourstroker So can done thick cyanoacrylate glues speed up assembly fill gaps darn well Theyre sort crutch bad craftsmanship Unfortunately two ounces thick substance doesnt go nearly far same quantity thin pieces dont fit super-strong joint needed have place armament arium adhesives various fuzzy-covered Mylar hinge materContinued page 140 PRECISION MODEL PRODUCTS gsA Made U S BARSTOCK L ALA SIZE 1-3/4 2 4 .2-1/4FAI .2-1/2 2FAI .2-3/4 2-3/4FAI FAI HIAIL AtI4OX PRICEWT $1295 095 OZ 1395 1000Z 1495 1550Z 1695 1450Z 1695i660Z 16951 660Z 19952150Z 2195 Z 2395 OZ 2595 247 OZ 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $3 00 Per Spinner PROP NUT ADAPTORS PART NOSIZE fl-i 40-A1/4-26 TT-610-A6x 10mm TT-710-A7x 10mm TT-516-A5/16-24 TT-610-Aax 10mm TT-625-Aax 125mm TT-375-A3/6-24 TT-125-AlOx 125mm 3 Piece Set Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 THE LEADER IN COMPETITION NEW SERIES 100 THP DESIGN DIAPRICE 12299 _______ 13379 14479 15669 16989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833/456179 B334566189 84566/7199 94566/77A199 104566/,7209 106W8W209 106EW219 1146777/a78229 115W229 11BEW239 1167239 124W279 12SW279 1256279 1356349 1456459 1556659 164/N969 16678969 PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH Ti-IP 677 8 677 /28 67 678 September 1987 49 Dave Shoup Riverton WY files Old Square Sides July 1940 Air Trails 5000-ft elevation Saito 40 four-stroke power Hes converted ignition C&Hs CDsystemandltwlllrunlSminonl ozof gas/oil mixture Bill Winter designed plane using psuedonym John Sprague PART NO fl-i 75-B TT-200-B TT-225-6 TT-226-B TT-250-B TT-251 -B TT-275-8 TT-276-B TT-300-6 TT-301 -B RETAIL APPROX PRICE WT $395061 OZ 3-95 063 OZ 395 062 OZ 395 076 OZ 395 076 OZ 395 075 OZ 495 117 OZ 495 1 150Z II RC PYLON RACING SERIES 500 DIAPITCHPRICE 7SN 5/N279 8I67/78299 SERIES 400C 86677/z7269 977A7/289 W WIDE BLADE EW EXTRA WIDE N NARROW 1 TRIM KNIFE Trim Knife designed precisely edge trim excess cover ing material model Can used outside edges straight curved Blade can set trom 1/16 1/4 simple adlustment screw Trim Knife mill make perfect overlap ous seams Works witn cover ig materials 6 blades Trim Knife Set includes 6 blades $900 Trim Knife Blades 5 per pack $300 m -IA No Notches Straight Cuts Heavy duty estra sharp no notch blade Same sice regular blades tip does flex cusing strip png thicker materials Great big birds Big Bird Blades box 100 blades$950 Trial size package 20 blades$250 RC Scale/Wischers Continued page 137 flights between charges Heavy flight loads single servo also place extra drain batteries Hobbypoxy colors Pettit Paint Co manufac turers Hobbypoxy products has published mulas mixing colors used contemporary Israeli Air Force aircraft colors Pale Green FS-34227 Tan FS-30219 Sand FS-33531 Light Gray FS-36622 Two colors Tan Light Gray same used contemporary USAF aircraft published column earlier formulas Light Gray 12 parts HIO White five parts H55 Cream two parts H70 Gray Tan five parts H65 Bright Red three parts HIO White two parts H49 Cub Yellow part H70 Gray part H81 Black Pale Green II parts H70 Gray seven parts H47 Bright Yellow part H24 Dark Blue part H Ifi White part H57 Bright Orange Sand 14 parts H55 Cream two parts H70 Gray part H65 Bright Red part HIO White Bob Dolly Wiseher 5-22] Lapham Peak Rd Delafield WI 530 J8 RC Old-Timers/Mathews Continued page 49 ials Lake Rocket City now Sig sure easy install particularly strip stock like use Old-Timers need cut slot wood knife slide hinge dry flow thin CyA glue seam bit stiff like Old-Timers control surface air loads usually low control inputs infrequent additional battery drain due stiff hinges likely insignificant Finally note some amusement other Old-Timer columnists another pub lication challenges us report onand take stand aboutthe raging dispute hassle over SAM Society Antique Modelers RC competition rules will compete national level primarily due sort hostility competition tends create what otherwise nice people included fore express own opinions would totally unfair intent column influence opinion rather create interest fascinating aspect hobby chronicle its history hope various sundry warring parties will soon recognize damage such attitudes doing will get back basic function recreational activity. enjoy what Its worth Ive spent last eight months developing ELT entry-level trainer trying combine aerodynamic parameters Old-Timer easier construction techniques contemporary design Talk about challenge sixth revision currently flying both OS 20 four-stroker K&B 20 Sportster two-stroker results develop ment flying perhaps significant worth comment friend flying site recently called attention OS four-stroker aw first Surpass series though advertised such correct Just take look bubbles head covers. high-lift cams forth have obviously used Further switching engines produces virtually no difference linear velocity models flight Conclusion least instance 20 four-stroker right 20 twostroker Dee B Mathews 909 Maize Rd Townhouse 734 Wichita KS 87212 RC Giant Scale/de Vries Continued page 51 ignitionone can reached safely outside model Im suggesting yet another servo-operated kill switch What Im saying safety redundancy manual switch such positive factors such switches should used much universally now subject good friend Ed Carrol suggested rather simple effective idea redundif transmitter adding couple wires plug switch Ed has dual-battened Krafts Futabas hes flown several times during day simple flip switch gives him freshly charged battery transmitter hes off two-day weekend Giant rally really doesnt have worry about having stay motel recharge trans mitter actual use Ed has stuck extra set transmitter batteries back case some Velcro doesnt look sexy system works like gangbusters have give credit inspiration column newfound friend John P Violette LaPlace LA Johns magnificent B-17G model appears months effort rather exten sive correspondence John fully documented history prototype Fortress Con gressional Medals Honor awarded its crewand developed what amounts complete history well Boeings letter Charles 0 Brown 8101 Sonar Rl Clinton MD 20735 Charlies gone route trying document specific Grumman Bearcat has come up empty Any out can provide photos anything concerned F8F-2 civilian llcense number N7700C flown air shows Bill Fornoff se drop Charlie line know Dan Lutz will happy see Boeing F4B-2 months column Since Dans picture know hes recovered its just physical recovery either since hes back workshop first met Dan gave SO-cent tour Kraft factory like fivebuck tour about 10 years ago Emil Agosta Dry Ridge Models 59 McCurry RdWeavervilleNC28787isatitagain Back designing beautiful Giant models latest J-4 Sportster -scale has span 114 1824 sq wing area Itll powered OS Max 91 FSR bones weigh tad under seven pounds guessti mate radio engine covering ultralight Scale model will top out between 12 13 lb prototype model flown Emil will probably offer drawings maybe kit Bill Hannans done another onel Volume 2 Intern ational Peanuts & Pistachios out 140 Model Aviation INTERCEPTOR Ready Fly $695 U build Kit $4 95 Note Please odd $3 P & H 1st 3 models Add tO % price additional model COMPANY PO Box 68132 Portland OR 97268 Fokker D-VII VK Model Aircraft PO Box 3007 Aurora IL 60505 312-357-1883