Lo ROL LINE EL7V @~3L Dick Perry 6739 Stonecutter Dr Burke VA 22015 Abstract This months column includes formation two engines 05 32F Webra Speed 32 some new construction ideas sighting full-size Grumman Guardian MODIFICATIONS OS 32 Bill Bischoff Dallas Texas CL Contest Board Chairman active Carrier flier has using 05 32F engine Profile Carrier models over year reports results some modifications has performed engine increase performance basic configuration Bill started stock engine head clearance reduced 015 refer June column discussion compression ratios stock engines Performance based Rev-Up 81/2 X 612 prop 40% nitromethane fuel Tower Hobbies RC glow plug model Bills Profile MO-l design weighs 35 oz engine basic configuration produced 15300 rpm speed 80 mph 225 sec various changes engine increased rpm 16700 30% power increase added over six mph speed 208 sec Bill adjusted crankshaft timing close 550 ATDC Ed note after top dead center raised cylinder ports 028 shim under cylinder liner corresponding lowering cylinder head easiest way installed OS 4BK carburetor OS 40146 engine changed glow plug K&B lL changes crankshaft timing greatest effect 16% power increase glow plug next greatest improvement 7% Although Tower Fox RC plugs preferred Carrier modelers Bills results indicate little experimentation glow plugs might worth considering certainly easier changes make engine particular glow plug produces noticeable increase performance expense idle reliability perhaps on-board glow plug battery worth considering mentioned topic June discussion fuels previous information extracted Hi-Low Landings newsletter Navy Carrier Society can become part NCS action sending $6 annual dues $10 stated previous August1992 93 Bill Bischoffs Class I/Il MO-i uses Profile Carrier construction techniques described column Power 05 40 SF Class 46 SF Class II venerable Grumman Guardian easily recognizable its US Forest Service paint job torpedo bay extension Louis Matustik discovered Pima Air Museum Arizona continued page 162 Miles M20 subject Mystery Plane contest Terry Kirbys Wildcat 15 Carrier based HaItlite lIZA May 86 issue ones based recycled Carl Goldberg Combat wing cores Corehouse Terry third overall Models Shoestring wing Bill Bischoff photo 91 Navy Carrier Society rankings 15 Carrier information current projects news museums sirshows technical drawings data photographs scale modelling rnateriat news current publications histcrical research workshop notas infcirrnation painticotor aeroplanes engines parts sate wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 Ge p/ne6 INC 15 Crescent Road Poughkoepsie NY 12601 USA 914 473-3579 makes Mark Willie Wiley seem doing about 90% engine rework dayswith excellent results Mark showed simple remote needle mount can used either Fox Nelson wouldnt work Stels because screw-in backplate can reach Mark 817 292-6710 find out about remote mount engines aluminum engine mounts top-notch items sale June 1992 column featured Forward Models fuel dump currently available veny easy install drawback will have stuff hanging top model can get removed hard inverted landing Steve Hills demonstrated shutoff fits backplate Fox ingenious mechanism uses low-cost items like paper clips some tin stock couple springs bit soldering Most shutoffs require lot spring pressure actually pinch fuel line also require lot force get thing trip Steves design requires light pull actuate clamping part doesnt need heavy swing weights such looks straightforward Steve demonstrates its hard explain fact us have yet figured Out works does work time Buyer beware breakup Soviet Union lot Soviet-made engines finding way USA better items cost fair amount money Dan Rutherford has made several trips Russia pick up items Dave Clarkson drove way England St Petersburg get last batch Stels Cyclon engines takes time money determination get best engines mention adventure getting out Russia wouldnt chance sending money directly Russia expect someone will able mail something now service similar Express Mail Ive used Moscow youre taking chance very difficult get high-quality Russian engines price seems little high think about what took put engine hands appears junk items still inexpensive over quality will cost avy Carrier/Perry Continued page 93 column Bill Bischoff 7550 Christie Lane Dallas TX 75249 Profile-type construction Class I/Il Bill Bischoff also wrote sent photos newest Class 1111 modelalso MO-i Except width fuselage adjusting dimensions comply 5% tolerance required Class II model very similar Bills Profile Carrier MO-i model spans 433/4 weighs 44 oz performing very well Class Bill thinks has record potential Using techniques common Profile models usual Class Class II craft Bill mounted controls under wing inboard fuselage line slider also external pushrod runs along outside fuselage exposed elevator horn throttle operated torque tube formed using metal tubing RC nosu gear steering arms torque tube takes throttle linkage bellcrank side model opposite side side-mounted engines carburetor located tail hook mounted left side fuselage much same manner would Profile Carrier model internal hardware line slider release cable enclosed fuselage wing part its run model uses foam wing benefit balsa leading trailing edges sheeting strengthen stiffen foam wing Bill uses Combat model technique credits Pat Willcox Houston Texas Bill attaches one-in-wide strips waterdampened silkspan leading trailing edges using solution 50% water 162 Model Aviation WW1 AERO 1900-1919 SKYWAYS 1920-1940 restorer builder & serious modeller ot earty aircraft Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying WeIght 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 % FLYING COLORS ISION MATCHED PAINT Lel us custom mix paint w/ FF0 Acrytit Enamel Acrylic Lacquer otter closest match possible br covering cotors & camo Anaitabte 4oz sizes & up Complete tine ot primers clears & supplies 906 Brookhills Dr Cantonmenl FL 32533 Call 904 968-1069 Folds easy storage use Custom design built last Ready use--no building LO BOY CUSTOM CRADLES LO BOY STANDARD--to tall 22 long holds fuselage 5 wide---$1495 LO BOY LARGE--14 tall 26 long holds fuselage 8 wide---------$1895 LO BOY X-LARGE--1 6 tall 28 long holds fuselagel 2 wide--------$21 95 INCLUDE $696 FOR SHIPPING AND HANDLING ON 10 BOYS TALL BOY CUSTOM CRADLES TALL BOY STANDARD--32tall22 long holds luselage5 wide--$2295 TALL BOY LARGE--28 tall 26 long holds fuselage 8 wide-$2495 TALL BOY X-LARGE--26 tall 28 long holds fuselage 12 wide------52695 INCLUDE $1195 FOR SHIPPING AND HANDLING ON TALL BOYS Send check money order COD welcome Include shipping handling AZ residents include 7% sales tax PATT dL9W4 eC4m 4dact4 3177 East Foil Love5 Road Dl Tucson Anzona 85716 500 272 3830 S Discover SECRET TO HASSLE-FREE CHARGING Dont miss perfect day because uncharged batteries smazingty simple AUTO-TRICKLE ADAPTER converts ALL overnight chargers FULLY AUTOMATIC TRICKLE CHARGERS Nothing else like Simply ptug wall ptug overnight chargers push button forget shout batteries whole fleet will ready next day week month year Nothing solder no connectors buy 100% solid state device safety reduces chargers output pulse trickle after 16 hours Directly supports hem 5 3 chargers However powerful 120 Watt capacity easily HANDLES UP TO 30 CHARGERS Nothing else comes ctose convenience simplicity safety cost effectiveness T I1 E Get AUTO TRICKLE ADAPTER TODAY Tejera Microsystems Engineering Inc 813-968-9510 PO Box 340608 Tampa Florida 33694 50% white glue aliphatic resin glue Titebond trailing edge first gets narrow strip Keviar additional strength though heavy thread will also suffice wing tips covered separate pieces silkspan EC M/?67XkOO/ Learn fly planes private field Five 6 day course $350 Open year round Send SASE complete info Soulhwest RO Flying 2818 Carolina NE Albuquerque NM 87110505-832-6394 top bottom overlapping leading trailing edge pieces second coat glue/water mixture finishes job followed light sanding 220-grit sandpaper everything dry sand through glue Premium Grade 3/4 oz 38W 10 yrd mm $250 yd Lower Pnces 30 yds & up Z Other Weights Avail abte 17 Andrews Drive Daleville AL 38322 205 598-2287 1000 CST silkspan starts get fuzzy adding another coat glue solves problem Using aliphatic resin glue has another benefitit will enhance adhesion covering film because reacts heat iron gets tacky heated first time process took Bill about two hours added very little weight benefit terms wing stiffness resistance twisting well worth fuel tank fully enclosed fuselage OS 40 SF engine operates suction fuel feed location fuel tank inboard carburetor produced some problems engine going rich flight Bill solved problem installing Perry no relation oscillating pump have no problems own MO-is operating suction feed few possible solutions engine mixture problems such configuration come mind possible solution richening problem especially engine using firewall mount case Bills model mount engine cylinder inside circle Such configuration would require little extra wing tip weight counteract weight inboard-pointing cylinder Bills case would eliminate need throttle linkage carsy-through Another possible solution would install extension tank extending outboard through fuselage side extension should probably have diameter least 1/2 would allow tanks uniflow fuel vent placed outboard carburetor thereby fooling engine acting fuel tank moved outboard final alternative would allow fuel tank extend through fuselage side mount fuel tank outside fuselage may sound like heresy Class 1111 model dont think prohibited rules As accessory fuel tank should able protrude affecting bonus points Tail hook control horns lead-outs pushrods line guides bellcranks fuel lines fillers etc protrude affecting bonus points seems fuel tanks could also protrude Any comments Webra Speed 321 recently received Webra Speed 32 RC ABCD engine Hobby Dynamics evaluation ABCD designation refers usual aluminum piston chrome-plated brass sleeve ABC combination Dykes piston ring D added So far have inspected measured Webra appears very well made typical German craftsmanship throughout very interesting Dynamix slide-valve carburetor Running next Ill have full report future column Baby deserves Custom Cradle Custom Cradles Feature Custom molded pvc--no ugly fittings Speciat neoprene foam.impervious fuel oil Modet ATACXS Works existing NiCd overnight C/ill chargers Yes works cordless power toots toys individual ret] chargers etc 164 Model Aviation Its Easy SNl A Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column Model vat/on Nov 90 Easy assemble battery starter $6495 Accomodates small 12-volt batteiy r sizes available ~1 Add $700 packaging ohlppin IUPS Texas residents add 825% sales tax Allow approsimately two weeks tsr delivery Guardian display Louis Matustik St Louis Missouri sent photos other information Grumman AF-2S Guardian found Pima Air Museum Tucson Arizona venerable Guardian once dominant model aircraft CL Navy Carrier competition because its availability Sterling kit display form acquired retirod Forest Service used fire bomber torpedo bay enlarged slightly accommodate tanks fire retardant its colors battled forest fires submarines Otherwise appears excellent example Guardian has often modeled dont know Guardians still around cant very ani aware either display flying Guardian lovers might want stop give pat during travels through Arizona Pima Air Museum outstanding museum well worth visit anyone area located south Davis Monthan Air Force Base Information may obtained writing calling Tucson Air Museum Foundation 6000 East Valencia Tucson AZ 85706 telephone 605 574-9658 peed/Lee Continued page 94 knew about problem Foxes back 1950s forgotten about best Fox has aluminum backplate made back works just fine plating Dick Adams Adams Actuator fame used make music-wire spring put wrist pin would hold conrod forward tricky difficult assemble new backplate better could bolt glue Micarta nylon washer proper thickness existing Just make sure bolts sealed Formula Fox Speed will flown next Dayton Cold Cash Speed Bash want try low-key Speed event should get work airplane Two modelers wrote about picture Topping all-aluminum Speed job shown January column Jerry Greaves Newtown Connecticut first point out model shown upside down said never flew it gave him electric shocks through aluminum body through spark plug Norman Schehl antique engine airplane collector Lexington Ohio wrote pointed out inverted photo sent copies instructions came kit titled An Instruction Guide Various Engine Installations Topping 100 show methods install DeLong 30 Hornet 60 Forster 29 Ohlsson 23 OK Super 60 Ohlsson 60 Atwood Champion Vivell 35 engines mounted aluminum bracket bolted front body Atwood Ohlsson OK Hornet held top two backplate screws No wonder few airplanes survive vibration variable engine incidence took quite toll music-wire landing gear bolted same engine bracket extended forward Streamlined wheels used front small wheel bolted tip rudder tail support Red plastic wing tips furnished aluminum spinner completed fuselage three bladed prop used dont know diameter pitch spark ignition coil small wet cell used up lot space fuselage much room left fuel tank Some engines small plastic tank mounted rear others used small metal tanks gasoline-oil fuel mixture gave excellent mileage didnt need much fuel airplane must have bear flythe elevator control horn shown plan less It6 long must have bit sensitive airplane always wanted never got McCoy Invader allaluminum job McCoy 19 time 10 bucks werent being sold first engine plain-bearing McCoy 19 neighbor Merwyn Krahn helped start flogged prop several days finally ran few seconds enough seat rings started quite easily after Merwyn brother big engines McCoy 29s 60s flew few contests held South Dakota back used hot fuel Franciscosthe stuff nitrobenzene smelled like shoe polishand mixed super fuel Ohlsson 30 Plus didnt dare use 30 Plus straight Merwyn sent postcard other day after reading column hes California now flying sport RC havent seen him since 1950s never forgot help gave fun next column will coverage Nationals Its going interesting see results new rules fuel changes affect speeds participation Model Aviation its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pwls & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 1387 N Mhltary Trail West Palm Beach FL 33403 407488-13669 HOBBY SUPER STORE
Edition: Model Aviation - 1992/08
Page Numbers: 93, 162, 164, 166
Lo ROL LINE EL7V @~3L Dick Perry 6739 Stonecutter Dr Burke VA 22015 Abstract This months column includes formation two engines 05 32F Webra Speed 32 some new construction ideas sighting full-size Grumman Guardian MODIFICATIONS OS 32 Bill Bischoff Dallas Texas CL Contest Board Chairman active Carrier flier has using 05 32F engine Profile Carrier models over year reports results some modifications has performed engine increase performance basic configuration Bill started stock engine head clearance reduced 015 refer June column discussion compression ratios stock engines Performance based Rev-Up 81/2 X 612 prop 40% nitromethane fuel Tower Hobbies RC glow plug model Bills Profile MO-l design weighs 35 oz engine basic configuration produced 15300 rpm speed 80 mph 225 sec various changes engine increased rpm 16700 30% power increase added over six mph speed 208 sec Bill adjusted crankshaft timing close 550 ATDC Ed note after top dead center raised cylinder ports 028 shim under cylinder liner corresponding lowering cylinder head easiest way installed OS 4BK carburetor OS 40146 engine changed glow plug K&B lL changes crankshaft timing greatest effect 16% power increase glow plug next greatest improvement 7% Although Tower Fox RC plugs preferred Carrier modelers Bills results indicate little experimentation glow plugs might worth considering certainly easier changes make engine particular glow plug produces noticeable increase performance expense idle reliability perhaps on-board glow plug battery worth considering mentioned topic June discussion fuels previous information extracted Hi-Low Landings newsletter Navy Carrier Society can become part NCS action sending $6 annual dues $10 stated previous August1992 93 Bill Bischoffs Class I/Il MO-i uses Profile Carrier construction techniques described column Power 05 40 SF Class 46 SF Class II venerable Grumman Guardian easily recognizable its US Forest Service paint job torpedo bay extension Louis Matustik discovered Pima Air Museum Arizona continued page 162 Miles M20 subject Mystery Plane contest Terry Kirbys Wildcat 15 Carrier based HaItlite lIZA May 86 issue ones based recycled Carl Goldberg Combat wing cores Corehouse Terry third overall Models Shoestring wing Bill Bischoff photo 91 Navy Carrier Society rankings 15 Carrier information current projects news museums sirshows technical drawings data photographs scale modelling rnateriat news current publications histcrical research workshop notas infcirrnation painticotor aeroplanes engines parts sate wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 Ge p/ne6 INC 15 Crescent Road Poughkoepsie NY 12601 USA 914 473-3579 makes Mark Willie Wiley seem doing about 90% engine rework dayswith excellent results Mark showed simple remote needle mount can used either Fox Nelson wouldnt work Stels because screw-in backplate can reach Mark 817 292-6710 find out about remote mount engines aluminum engine mounts top-notch items sale June 1992 column featured Forward Models fuel dump currently available veny easy install drawback will have stuff hanging top model can get removed hard inverted landing Steve Hills demonstrated shutoff fits backplate Fox ingenious mechanism uses low-cost items like paper clips some tin stock couple springs bit soldering Most shutoffs require lot spring pressure actually pinch fuel line also require lot force get thing trip Steves design requires light pull actuate clamping part doesnt need heavy swing weights such looks straightforward Steve demonstrates its hard explain fact us have yet figured Out works does work time Buyer beware breakup Soviet Union lot Soviet-made engines finding way USA better items cost fair amount money Dan Rutherford has made several trips Russia pick up items Dave Clarkson drove way England St Petersburg get last batch Stels Cyclon engines takes time money determination get best engines mention adventure getting out Russia wouldnt chance sending money directly Russia expect someone will able mail something now service similar Express Mail Ive used Moscow youre taking chance very difficult get high-quality Russian engines price seems little high think about what took put engine hands appears junk items still inexpensive over quality will cost avy Carrier/Perry Continued page 93 column Bill Bischoff 7550 Christie Lane Dallas TX 75249 Profile-type construction Class I/Il Bill Bischoff also wrote sent photos newest Class 1111 modelalso MO-i Except width fuselage adjusting dimensions comply 5% tolerance required Class II model very similar Bills Profile Carrier MO-i model spans 433/4 weighs 44 oz performing very well Class Bill thinks has record potential Using techniques common Profile models usual Class Class II craft Bill mounted controls under wing inboard fuselage line slider also external pushrod runs along outside fuselage exposed elevator horn throttle operated torque tube formed using metal tubing RC nosu gear steering arms torque tube takes throttle linkage bellcrank side model opposite side side-mounted engines carburetor located tail hook mounted left side fuselage much same manner would Profile Carrier model internal hardware line slider release cable enclosed fuselage wing part its run model uses foam wing benefit balsa leading trailing edges sheeting strengthen stiffen foam wing Bill uses Combat model technique credits Pat Willcox Houston Texas Bill attaches one-in-wide strips waterdampened silkspan leading trailing edges using solution 50% water 162 Model Aviation WW1 AERO 1900-1919 SKYWAYS 1920-1940 restorer builder & serious modeller ot earty aircraft Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying WeIght 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 % FLYING COLORS ISION MATCHED PAINT Lel us custom mix paint w/ FF0 Acrytit Enamel Acrylic Lacquer otter closest match possible br covering cotors & camo Anaitabte 4oz sizes & up Complete tine ot primers clears & supplies 906 Brookhills Dr Cantonmenl FL 32533 Call 904 968-1069 Folds easy storage use Custom design built last Ready use--no building LO BOY CUSTOM CRADLES LO BOY STANDARD--to tall 22 long holds fuselage 5 wide---$1495 LO BOY LARGE--14 tall 26 long holds fuselage 8 wide---------$1895 LO BOY X-LARGE--1 6 tall 28 long holds fuselagel 2 wide--------$21 95 INCLUDE $696 FOR SHIPPING AND HANDLING ON 10 BOYS TALL BOY CUSTOM CRADLES TALL BOY STANDARD--32tall22 long holds luselage5 wide--$2295 TALL BOY LARGE--28 tall 26 long holds fuselage 8 wide-$2495 TALL BOY X-LARGE--26 tall 28 long holds fuselage 12 wide------52695 INCLUDE $1195 FOR SHIPPING AND HANDLING ON TALL BOYS Send check money order COD welcome Include shipping handling AZ residents include 7% sales tax PATT dL9W4 eC4m 4dact4 3177 East Foil Love5 Road Dl Tucson Anzona 85716 500 272 3830 S Discover SECRET TO HASSLE-FREE CHARGING Dont miss perfect day because uncharged batteries smazingty simple AUTO-TRICKLE ADAPTER converts ALL overnight chargers FULLY AUTOMATIC TRICKLE CHARGERS Nothing else like Simply ptug wall ptug overnight chargers push button forget shout batteries whole fleet will ready next day week month year Nothing solder no connectors buy 100% solid state device safety reduces chargers output pulse trickle after 16 hours Directly supports hem 5 3 chargers However powerful 120 Watt capacity easily HANDLES UP TO 30 CHARGERS Nothing else comes ctose convenience simplicity safety cost effectiveness T I1 E Get AUTO TRICKLE ADAPTER TODAY Tejera Microsystems Engineering Inc 813-968-9510 PO Box 340608 Tampa Florida 33694 50% white glue aliphatic resin glue Titebond trailing edge first gets narrow strip Keviar additional strength though heavy thread will also suffice wing tips covered separate pieces silkspan EC M/?67XkOO/ Learn fly planes private field Five 6 day course $350 Open year round Send SASE complete info Soulhwest RO Flying 2818 Carolina NE Albuquerque NM 87110505-832-6394 top bottom overlapping leading trailing edge pieces second coat glue/water mixture finishes job followed light sanding 220-grit sandpaper everything dry sand through glue Premium Grade 3/4 oz 38W 10 yrd mm $250 yd Lower Pnces 30 yds & up Z Other Weights Avail abte 17 Andrews Drive Daleville AL 38322 205 598-2287 1000 CST silkspan starts get fuzzy adding another coat glue solves problem Using aliphatic resin glue has another benefitit will enhance adhesion covering film because reacts heat iron gets tacky heated first time process took Bill about two hours added very little weight benefit terms wing stiffness resistance twisting well worth fuel tank fully enclosed fuselage OS 40 SF engine operates suction fuel feed location fuel tank inboard carburetor produced some problems engine going rich flight Bill solved problem installing Perry no relation oscillating pump have no problems own MO-is operating suction feed few possible solutions engine mixture problems such configuration come mind possible solution richening problem especially engine using firewall mount case Bills model mount engine cylinder inside circle Such configuration would require little extra wing tip weight counteract weight inboard-pointing cylinder Bills case would eliminate need throttle linkage carsy-through Another possible solution would install extension tank extending outboard through fuselage side extension should probably have diameter least 1/2 would allow tanks uniflow fuel vent placed outboard carburetor thereby fooling engine acting fuel tank moved outboard final alternative would allow fuel tank extend through fuselage side mount fuel tank outside fuselage may sound like heresy Class 1111 model dont think prohibited rules As accessory fuel tank should able protrude affecting bonus points Tail hook control horns lead-outs pushrods line guides bellcranks fuel lines fillers etc protrude affecting bonus points seems fuel tanks could also protrude Any comments Webra Speed 321 recently received Webra Speed 32 RC ABCD engine Hobby Dynamics evaluation ABCD designation refers usual aluminum piston chrome-plated brass sleeve ABC combination Dykes piston ring D added So far have inspected measured Webra appears very well made typical German craftsmanship throughout very interesting Dynamix slide-valve carburetor Running next Ill have full report future column Baby deserves Custom Cradle Custom Cradles Feature Custom molded pvc--no ugly fittings Speciat neoprene foam.impervious fuel oil Modet ATACXS Works existing NiCd overnight C/ill chargers Yes works cordless power toots toys individual ret] chargers etc 164 Model Aviation Its Easy SNl A Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column Model vat/on Nov 90 Easy assemble battery starter $6495 Accomodates small 12-volt batteiy r sizes available ~1 Add $700 packaging ohlppin IUPS Texas residents add 825% sales tax Allow approsimately two weeks tsr delivery Guardian display Louis Matustik St Louis Missouri sent photos other information Grumman AF-2S Guardian found Pima Air Museum Tucson Arizona venerable Guardian once dominant model aircraft CL Navy Carrier competition because its availability Sterling kit display form acquired retirod Forest Service used fire bomber torpedo bay enlarged slightly accommodate tanks fire retardant its colors battled forest fires submarines Otherwise appears excellent example Guardian has often modeled dont know Guardians still around cant very ani aware either display flying Guardian lovers might want stop give pat during travels through Arizona Pima Air Museum outstanding museum well worth visit anyone area located south Davis Monthan Air Force Base Information may obtained writing calling Tucson Air Museum Foundation 6000 East Valencia Tucson AZ 85706 telephone 605 574-9658 peed/Lee Continued page 94 knew about problem Foxes back 1950s forgotten about best Fox has aluminum backplate made back works just fine plating Dick Adams Adams Actuator fame used make music-wire spring put wrist pin would hold conrod forward tricky difficult assemble new backplate better could bolt glue Micarta nylon washer proper thickness existing Just make sure bolts sealed Formula Fox Speed will flown next Dayton Cold Cash Speed Bash want try low-key Speed event should get work airplane Two modelers wrote about picture Topping all-aluminum Speed job shown January column Jerry Greaves Newtown Connecticut first point out model shown upside down said never flew it gave him electric shocks through aluminum body through spark plug Norman Schehl antique engine airplane collector Lexington Ohio wrote pointed out inverted photo sent copies instructions came kit titled An Instruction Guide Various Engine Installations Topping 100 show methods install DeLong 30 Hornet 60 Forster 29 Ohlsson 23 OK Super 60 Ohlsson 60 Atwood Champion Vivell 35 engines mounted aluminum bracket bolted front body Atwood Ohlsson OK Hornet held top two backplate screws No wonder few airplanes survive vibration variable engine incidence took quite toll music-wire landing gear bolted same engine bracket extended forward Streamlined wheels used front small wheel bolted tip rudder tail support Red plastic wing tips furnished aluminum spinner completed fuselage three bladed prop used dont know diameter pitch spark ignition coil small wet cell used up lot space fuselage much room left fuel tank Some engines small plastic tank mounted rear others used small metal tanks gasoline-oil fuel mixture gave excellent mileage didnt need much fuel airplane must have bear flythe elevator control horn shown plan less It6 long must have bit sensitive airplane always wanted never got McCoy Invader allaluminum job McCoy 19 time 10 bucks werent being sold first engine plain-bearing McCoy 19 neighbor Merwyn Krahn helped start flogged prop several days finally ran few seconds enough seat rings started quite easily after Merwyn brother big engines McCoy 29s 60s flew few contests held South Dakota back used hot fuel Franciscosthe stuff nitrobenzene smelled like shoe polishand mixed super fuel Ohlsson 30 Plus didnt dare use 30 Plus straight Merwyn sent postcard other day after reading column hes California now flying sport RC havent seen him since 1950s never forgot help gave fun next column will coverage Nationals Its going interesting see results new rules fuel changes affect speeds participation Model Aviation its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pwls & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 1387 N Mhltary Trail West Palm Beach FL 33403 407488-13669 HOBBY SUPER STORE
Edition: Model Aviation - 1992/08
Page Numbers: 93, 162, 164, 166
Lo ROL LINE EL7V @~3L Dick Perry 6739 Stonecutter Dr Burke VA 22015 Abstract This months column includes formation two engines 05 32F Webra Speed 32 some new construction ideas sighting full-size Grumman Guardian MODIFICATIONS OS 32 Bill Bischoff Dallas Texas CL Contest Board Chairman active Carrier flier has using 05 32F engine Profile Carrier models over year reports results some modifications has performed engine increase performance basic configuration Bill started stock engine head clearance reduced 015 refer June column discussion compression ratios stock engines Performance based Rev-Up 81/2 X 612 prop 40% nitromethane fuel Tower Hobbies RC glow plug model Bills Profile MO-l design weighs 35 oz engine basic configuration produced 15300 rpm speed 80 mph 225 sec various changes engine increased rpm 16700 30% power increase added over six mph speed 208 sec Bill adjusted crankshaft timing close 550 ATDC Ed note after top dead center raised cylinder ports 028 shim under cylinder liner corresponding lowering cylinder head easiest way installed OS 4BK carburetor OS 40146 engine changed glow plug K&B lL changes crankshaft timing greatest effect 16% power increase glow plug next greatest improvement 7% Although Tower Fox RC plugs preferred Carrier modelers Bills results indicate little experimentation glow plugs might worth considering certainly easier changes make engine particular glow plug produces noticeable increase performance expense idle reliability perhaps on-board glow plug battery worth considering mentioned topic June discussion fuels previous information extracted Hi-Low Landings newsletter Navy Carrier Society can become part NCS action sending $6 annual dues $10 stated previous August1992 93 Bill Bischoffs Class I/Il MO-i uses Profile Carrier construction techniques described column Power 05 40 SF Class 46 SF Class II venerable Grumman Guardian easily recognizable its US Forest Service paint job torpedo bay extension Louis Matustik discovered Pima Air Museum Arizona continued page 162 Miles M20 subject Mystery Plane contest Terry Kirbys Wildcat 15 Carrier based HaItlite lIZA May 86 issue ones based recycled Carl Goldberg Combat wing cores Corehouse Terry third overall Models Shoestring wing Bill Bischoff photo 91 Navy Carrier Society rankings 15 Carrier information current projects news museums sirshows technical drawings data photographs scale modelling rnateriat news current publications histcrical research workshop notas infcirrnation painticotor aeroplanes engines parts sate wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 Ge p/ne6 INC 15 Crescent Road Poughkoepsie NY 12601 USA 914 473-3579 makes Mark Willie Wiley seem doing about 90% engine rework dayswith excellent results Mark showed simple remote needle mount can used either Fox Nelson wouldnt work Stels because screw-in backplate can reach Mark 817 292-6710 find out about remote mount engines aluminum engine mounts top-notch items sale June 1992 column featured Forward Models fuel dump currently available veny easy install drawback will have stuff hanging top model can get removed hard inverted landing Steve Hills demonstrated shutoff fits backplate Fox ingenious mechanism uses low-cost items like paper clips some tin stock couple springs bit soldering Most shutoffs require lot spring pressure actually pinch fuel line also require lot force get thing trip Steves design requires light pull actuate clamping part doesnt need heavy swing weights such looks straightforward Steve demonstrates its hard explain fact us have yet figured Out works does work time Buyer beware breakup Soviet Union lot Soviet-made engines finding way USA better items cost fair amount money Dan Rutherford has made several trips Russia pick up items Dave Clarkson drove way England St Petersburg get last batch Stels Cyclon engines takes time money determination get best engines mention adventure getting out Russia wouldnt chance sending money directly Russia expect someone will able mail something now service similar Express Mail Ive used Moscow youre taking chance very difficult get high-quality Russian engines price seems little high think about what took put engine hands appears junk items still inexpensive over quality will cost avy Carrier/Perry Continued page 93 column Bill Bischoff 7550 Christie Lane Dallas TX 75249 Profile-type construction Class I/Il Bill Bischoff also wrote sent photos newest Class 1111 modelalso MO-i Except width fuselage adjusting dimensions comply 5% tolerance required Class II model very similar Bills Profile Carrier MO-i model spans 433/4 weighs 44 oz performing very well Class Bill thinks has record potential Using techniques common Profile models usual Class Class II craft Bill mounted controls under wing inboard fuselage line slider also external pushrod runs along outside fuselage exposed elevator horn throttle operated torque tube formed using metal tubing RC nosu gear steering arms torque tube takes throttle linkage bellcrank side model opposite side side-mounted engines carburetor located tail hook mounted left side fuselage much same manner would Profile Carrier model internal hardware line slider release cable enclosed fuselage wing part its run model uses foam wing benefit balsa leading trailing edges sheeting strengthen stiffen foam wing Bill uses Combat model technique credits Pat Willcox Houston Texas Bill attaches one-in-wide strips waterdampened silkspan leading trailing edges using solution 50% water 162 Model Aviation WW1 AERO 1900-1919 SKYWAYS 1920-1940 restorer builder & serious modeller ot earty aircraft Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying WeIght 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 % FLYING COLORS ISION MATCHED PAINT Lel us custom mix paint w/ FF0 Acrytit Enamel Acrylic Lacquer otter closest match possible br covering cotors & camo Anaitabte 4oz sizes & up Complete tine ot primers clears & supplies 906 Brookhills Dr Cantonmenl FL 32533 Call 904 968-1069 Folds easy storage use Custom design built last Ready use--no building LO BOY CUSTOM CRADLES LO BOY STANDARD--to tall 22 long holds fuselage 5 wide---$1495 LO BOY LARGE--14 tall 26 long holds fuselage 8 wide---------$1895 LO BOY X-LARGE--1 6 tall 28 long holds fuselagel 2 wide--------$21 95 INCLUDE $696 FOR SHIPPING AND HANDLING ON 10 BOYS TALL BOY CUSTOM CRADLES TALL BOY STANDARD--32tall22 long holds luselage5 wide--$2295 TALL BOY LARGE--28 tall 26 long holds fuselage 8 wide-$2495 TALL BOY X-LARGE--26 tall 28 long holds fuselage 12 wide------52695 INCLUDE $1195 FOR SHIPPING AND HANDLING ON TALL BOYS Send check money order COD welcome Include shipping handling AZ residents include 7% sales tax PATT dL9W4 eC4m 4dact4 3177 East Foil Love5 Road Dl Tucson Anzona 85716 500 272 3830 S Discover SECRET TO HASSLE-FREE CHARGING Dont miss perfect day because uncharged batteries smazingty simple AUTO-TRICKLE ADAPTER converts ALL overnight chargers FULLY AUTOMATIC TRICKLE CHARGERS Nothing else like Simply ptug wall ptug overnight chargers push button forget shout batteries whole fleet will ready next day week month year Nothing solder no connectors buy 100% solid state device safety reduces chargers output pulse trickle after 16 hours Directly supports hem 5 3 chargers However powerful 120 Watt capacity easily HANDLES UP TO 30 CHARGERS Nothing else comes ctose convenience simplicity safety cost effectiveness T I1 E Get AUTO TRICKLE ADAPTER TODAY Tejera Microsystems Engineering Inc 813-968-9510 PO Box 340608 Tampa Florida 33694 50% white glue aliphatic resin glue Titebond trailing edge first gets narrow strip Keviar additional strength though heavy thread will also suffice wing tips covered separate pieces silkspan EC M/?67XkOO/ Learn fly planes private field Five 6 day course $350 Open year round Send SASE complete info Soulhwest RO Flying 2818 Carolina NE Albuquerque NM 87110505-832-6394 top bottom overlapping leading trailing edge pieces second coat glue/water mixture finishes job followed light sanding 220-grit sandpaper everything dry sand through glue Premium Grade 3/4 oz 38W 10 yrd mm $250 yd Lower Pnces 30 yds & up Z Other Weights Avail abte 17 Andrews Drive Daleville AL 38322 205 598-2287 1000 CST silkspan starts get fuzzy adding another coat glue solves problem Using aliphatic resin glue has another benefitit will enhance adhesion covering film because reacts heat iron gets tacky heated first time process took Bill about two hours added very little weight benefit terms wing stiffness resistance twisting well worth fuel tank fully enclosed fuselage OS 40 SF engine operates suction fuel feed location fuel tank inboard carburetor produced some problems engine going rich flight Bill solved problem installing Perry no relation oscillating pump have no problems own MO-is operating suction feed few possible solutions engine mixture problems such configuration come mind possible solution richening problem especially engine using firewall mount case Bills model mount engine cylinder inside circle Such configuration would require little extra wing tip weight counteract weight inboard-pointing cylinder Bills case would eliminate need throttle linkage carsy-through Another possible solution would install extension tank extending outboard through fuselage side extension should probably have diameter least 1/2 would allow tanks uniflow fuel vent placed outboard carburetor thereby fooling engine acting fuel tank moved outboard final alternative would allow fuel tank extend through fuselage side mount fuel tank outside fuselage may sound like heresy Class 1111 model dont think prohibited rules As accessory fuel tank should able protrude affecting bonus points Tail hook control horns lead-outs pushrods line guides bellcranks fuel lines fillers etc protrude affecting bonus points seems fuel tanks could also protrude Any comments Webra Speed 321 recently received Webra Speed 32 RC ABCD engine Hobby Dynamics evaluation ABCD designation refers usual aluminum piston chrome-plated brass sleeve ABC combination Dykes piston ring D added So far have inspected measured Webra appears very well made typical German craftsmanship throughout very interesting Dynamix slide-valve carburetor Running next Ill have full report future column Baby deserves Custom Cradle Custom Cradles Feature Custom molded pvc--no ugly fittings Speciat neoprene foam.impervious fuel oil Modet ATACXS Works existing NiCd overnight C/ill chargers Yes works cordless power toots toys individual ret] chargers etc 164 Model Aviation Its Easy SNl A Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column Model vat/on Nov 90 Easy assemble battery starter $6495 Accomodates small 12-volt batteiy r sizes available ~1 Add $700 packaging ohlppin IUPS Texas residents add 825% sales tax Allow approsimately two weeks tsr delivery Guardian display Louis Matustik St Louis Missouri sent photos other information Grumman AF-2S Guardian found Pima Air Museum Tucson Arizona venerable Guardian once dominant model aircraft CL Navy Carrier competition because its availability Sterling kit display form acquired retirod Forest Service used fire bomber torpedo bay enlarged slightly accommodate tanks fire retardant its colors battled forest fires submarines Otherwise appears excellent example Guardian has often modeled dont know Guardians still around cant very ani aware either display flying Guardian lovers might want stop give pat during travels through Arizona Pima Air Museum outstanding museum well worth visit anyone area located south Davis Monthan Air Force Base Information may obtained writing calling Tucson Air Museum Foundation 6000 East Valencia Tucson AZ 85706 telephone 605 574-9658 peed/Lee Continued page 94 knew about problem Foxes back 1950s forgotten about best Fox has aluminum backplate made back works just fine plating Dick Adams Adams Actuator fame used make music-wire spring put wrist pin would hold conrod forward tricky difficult assemble new backplate better could bolt glue Micarta nylon washer proper thickness existing Just make sure bolts sealed Formula Fox Speed will flown next Dayton Cold Cash Speed Bash want try low-key Speed event should get work airplane Two modelers wrote about picture Topping all-aluminum Speed job shown January column Jerry Greaves Newtown Connecticut first point out model shown upside down said never flew it gave him electric shocks through aluminum body through spark plug Norman Schehl antique engine airplane collector Lexington Ohio wrote pointed out inverted photo sent copies instructions came kit titled An Instruction Guide Various Engine Installations Topping 100 show methods install DeLong 30 Hornet 60 Forster 29 Ohlsson 23 OK Super 60 Ohlsson 60 Atwood Champion Vivell 35 engines mounted aluminum bracket bolted front body Atwood Ohlsson OK Hornet held top two backplate screws No wonder few airplanes survive vibration variable engine incidence took quite toll music-wire landing gear bolted same engine bracket extended forward Streamlined wheels used front small wheel bolted tip rudder tail support Red plastic wing tips furnished aluminum spinner completed fuselage three bladed prop used dont know diameter pitch spark ignition coil small wet cell used up lot space fuselage much room left fuel tank Some engines small plastic tank mounted rear others used small metal tanks gasoline-oil fuel mixture gave excellent mileage didnt need much fuel airplane must have bear flythe elevator control horn shown plan less It6 long must have bit sensitive airplane always wanted never got McCoy Invader allaluminum job McCoy 19 time 10 bucks werent being sold first engine plain-bearing McCoy 19 neighbor Merwyn Krahn helped start flogged prop several days finally ran few seconds enough seat rings started quite easily after Merwyn brother big engines McCoy 29s 60s flew few contests held South Dakota back used hot fuel Franciscosthe stuff nitrobenzene smelled like shoe polishand mixed super fuel Ohlsson 30 Plus didnt dare use 30 Plus straight Merwyn sent postcard other day after reading column hes California now flying sport RC havent seen him since 1950s never forgot help gave fun next column will coverage Nationals Its going interesting see results new rules fuel changes affect speeds participation Model Aviation its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pwls & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 1387 N Mhltary Trail West Palm Beach FL 33403 407488-13669 HOBBY SUPER STORE
Edition: Model Aviation - 1992/08
Page Numbers: 93, 162, 164, 166
Lo ROL LINE EL7V @~3L Dick Perry 6739 Stonecutter Dr Burke VA 22015 Abstract This months column includes formation two engines 05 32F Webra Speed 32 some new construction ideas sighting full-size Grumman Guardian MODIFICATIONS OS 32 Bill Bischoff Dallas Texas CL Contest Board Chairman active Carrier flier has using 05 32F engine Profile Carrier models over year reports results some modifications has performed engine increase performance basic configuration Bill started stock engine head clearance reduced 015 refer June column discussion compression ratios stock engines Performance based Rev-Up 81/2 X 612 prop 40% nitromethane fuel Tower Hobbies RC glow plug model Bills Profile MO-l design weighs 35 oz engine basic configuration produced 15300 rpm speed 80 mph 225 sec various changes engine increased rpm 16700 30% power increase added over six mph speed 208 sec Bill adjusted crankshaft timing close 550 ATDC Ed note after top dead center raised cylinder ports 028 shim under cylinder liner corresponding lowering cylinder head easiest way installed OS 4BK carburetor OS 40146 engine changed glow plug K&B lL changes crankshaft timing greatest effect 16% power increase glow plug next greatest improvement 7% Although Tower Fox RC plugs preferred Carrier modelers Bills results indicate little experimentation glow plugs might worth considering certainly easier changes make engine particular glow plug produces noticeable increase performance expense idle reliability perhaps on-board glow plug battery worth considering mentioned topic June discussion fuels previous information extracted Hi-Low Landings newsletter Navy Carrier Society can become part NCS action sending $6 annual dues $10 stated previous August1992 93 Bill Bischoffs Class I/Il MO-i uses Profile Carrier construction techniques described column Power 05 40 SF Class 46 SF Class II venerable Grumman Guardian easily recognizable its US Forest Service paint job torpedo bay extension Louis Matustik discovered Pima Air Museum Arizona continued page 162 Miles M20 subject Mystery Plane contest Terry Kirbys Wildcat 15 Carrier based HaItlite lIZA May 86 issue ones based recycled Carl Goldberg Combat wing cores Corehouse Terry third overall Models Shoestring wing Bill Bischoff photo 91 Navy Carrier Society rankings 15 Carrier information current projects news museums sirshows technical drawings data photographs scale modelling rnateriat news current publications histcrical research workshop notas infcirrnation painticotor aeroplanes engines parts sate wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 Ge p/ne6 INC 15 Crescent Road Poughkoepsie NY 12601 USA 914 473-3579 makes Mark Willie Wiley seem doing about 90% engine rework dayswith excellent results Mark showed simple remote needle mount can used either Fox Nelson wouldnt work Stels because screw-in backplate can reach Mark 817 292-6710 find out about remote mount engines aluminum engine mounts top-notch items sale June 1992 column featured Forward Models fuel dump currently available veny easy install drawback will have stuff hanging top model can get removed hard inverted landing Steve Hills demonstrated shutoff fits backplate Fox ingenious mechanism uses low-cost items like paper clips some tin stock couple springs bit soldering Most shutoffs require lot spring pressure actually pinch fuel line also require lot force get thing trip Steves design requires light pull actuate clamping part doesnt need heavy swing weights such looks straightforward Steve demonstrates its hard explain fact us have yet figured Out works does work time Buyer beware breakup Soviet Union lot Soviet-made engines finding way USA better items cost fair amount money Dan Rutherford has made several trips Russia pick up items Dave Clarkson drove way England St Petersburg get last batch Stels Cyclon engines takes time money determination get best engines mention adventure getting out Russia wouldnt chance sending money directly Russia expect someone will able mail something now service similar Express Mail Ive used Moscow youre taking chance very difficult get high-quality Russian engines price seems little high think about what took put engine hands appears junk items still inexpensive over quality will cost avy Carrier/Perry Continued page 93 column Bill Bischoff 7550 Christie Lane Dallas TX 75249 Profile-type construction Class I/Il Bill Bischoff also wrote sent photos newest Class 1111 modelalso MO-i Except width fuselage adjusting dimensions comply 5% tolerance required Class II model very similar Bills Profile Carrier MO-i model spans 433/4 weighs 44 oz performing very well Class Bill thinks has record potential Using techniques common Profile models usual Class Class II craft Bill mounted controls under wing inboard fuselage line slider also external pushrod runs along outside fuselage exposed elevator horn throttle operated torque tube formed using metal tubing RC nosu gear steering arms torque tube takes throttle linkage bellcrank side model opposite side side-mounted engines carburetor located tail hook mounted left side fuselage much same manner would Profile Carrier model internal hardware line slider release cable enclosed fuselage wing part its run model uses foam wing benefit balsa leading trailing edges sheeting strengthen stiffen foam wing Bill uses Combat model technique credits Pat Willcox Houston Texas Bill attaches one-in-wide strips waterdampened silkspan leading trailing edges using solution 50% water 162 Model Aviation WW1 AERO 1900-1919 SKYWAYS 1920-1940 restorer builder & serious modeller ot earty aircraft Slow Fast THE FUN FLY 40 Will Maneuver Real Performer LANIER RC Fuselage Length 35Wing Span 48 Rec Engine Size 19 46Area 516 sq Flying WeIght 3 5 lbsRadio Channels 4 Send SASE FREE Color Catalog PO Box 458Phone 404-532-6401 Oakwood GA 30566 FAX 404-532-2163 % FLYING COLORS ISION MATCHED PAINT Lel us custom mix paint w/ FF0 Acrytit Enamel Acrylic Lacquer otter closest match possible br covering cotors & camo Anaitabte 4oz sizes & up Complete tine ot primers clears & supplies 906 Brookhills Dr Cantonmenl FL 32533 Call 904 968-1069 Folds easy storage use Custom design built last Ready use--no building LO BOY CUSTOM CRADLES LO BOY STANDARD--to tall 22 long holds fuselage 5 wide---$1495 LO BOY LARGE--14 tall 26 long holds fuselage 8 wide---------$1895 LO BOY X-LARGE--1 6 tall 28 long holds fuselagel 2 wide--------$21 95 INCLUDE $696 FOR SHIPPING AND HANDLING ON 10 BOYS TALL BOY CUSTOM CRADLES TALL BOY STANDARD--32tall22 long holds luselage5 wide--$2295 TALL BOY LARGE--28 tall 26 long holds fuselage 8 wide-$2495 TALL BOY X-LARGE--26 tall 28 long holds fuselage 12 wide------52695 INCLUDE $1195 FOR SHIPPING AND HANDLING ON TALL BOYS Send check money order COD welcome Include shipping handling AZ residents include 7% sales tax PATT dL9W4 eC4m 4dact4 3177 East Foil Love5 Road Dl Tucson Anzona 85716 500 272 3830 S Discover SECRET TO HASSLE-FREE CHARGING Dont miss perfect day because uncharged batteries smazingty simple AUTO-TRICKLE ADAPTER converts ALL overnight chargers FULLY AUTOMATIC TRICKLE CHARGERS Nothing else like Simply ptug wall ptug overnight chargers push button forget shout batteries whole fleet will ready next day week month year Nothing solder no connectors buy 100% solid state device safety reduces chargers output pulse trickle after 16 hours Directly supports hem 5 3 chargers However powerful 120 Watt capacity easily HANDLES UP TO 30 CHARGERS Nothing else comes ctose convenience simplicity safety cost effectiveness T I1 E Get AUTO TRICKLE ADAPTER TODAY Tejera Microsystems Engineering Inc 813-968-9510 PO Box 340608 Tampa Florida 33694 50% white glue aliphatic resin glue Titebond trailing edge first gets narrow strip Keviar additional strength though heavy thread will also suffice wing tips covered separate pieces silkspan EC M/?67XkOO/ Learn fly planes private field Five 6 day course $350 Open year round Send SASE complete info Soulhwest RO Flying 2818 Carolina NE Albuquerque NM 87110505-832-6394 top bottom overlapping leading trailing edge pieces second coat glue/water mixture finishes job followed light sanding 220-grit sandpaper everything dry sand through glue Premium Grade 3/4 oz 38W 10 yrd mm $250 yd Lower Pnces 30 yds & up Z Other Weights Avail abte 17 Andrews Drive Daleville AL 38322 205 598-2287 1000 CST silkspan starts get fuzzy adding another coat glue solves problem Using aliphatic resin glue has another benefitit will enhance adhesion covering film because reacts heat iron gets tacky heated first time process took Bill about two hours added very little weight benefit terms wing stiffness resistance twisting well worth fuel tank fully enclosed fuselage OS 40 SF engine operates suction fuel feed location fuel tank inboard carburetor produced some problems engine going rich flight Bill solved problem installing Perry no relation oscillating pump have no problems own MO-is operating suction feed few possible solutions engine mixture problems such configuration come mind possible solution richening problem especially engine using firewall mount case Bills model mount engine cylinder inside circle Such configuration would require little extra wing tip weight counteract weight inboard-pointing cylinder Bills case would eliminate need throttle linkage carsy-through Another possible solution would install extension tank extending outboard through fuselage side extension should probably have diameter least 1/2 would allow tanks uniflow fuel vent placed outboard carburetor thereby fooling engine acting fuel tank moved outboard final alternative would allow fuel tank extend through fuselage side mount fuel tank outside fuselage may sound like heresy Class 1111 model dont think prohibited rules As accessory fuel tank should able protrude affecting bonus points Tail hook control horns lead-outs pushrods line guides bellcranks fuel lines fillers etc protrude affecting bonus points seems fuel tanks could also protrude Any comments Webra Speed 321 recently received Webra Speed 32 RC ABCD engine Hobby Dynamics evaluation ABCD designation refers usual aluminum piston chrome-plated brass sleeve ABC combination Dykes piston ring D added So far have inspected measured Webra appears very well made typical German craftsmanship throughout very interesting Dynamix slide-valve carburetor Running next Ill have full report future column Baby deserves Custom Cradle Custom Cradles Feature Custom molded pvc--no ugly fittings Speciat neoprene foam.impervious fuel oil Modet ATACXS Works existing NiCd overnight C/ill chargers Yes works cordless power toots toys individual ret] chargers etc 164 Model Aviation Its Easy SNl A Safety Starter Safe one-push starting Recommended John Prestons Safety Comes First column Model vat/on Nov 90 Easy assemble battery starter $6495 Accomodates small 12-volt batteiy r sizes available ~1 Add $700 packaging ohlppin IUPS Texas residents add 825% sales tax Allow approsimately two weeks tsr delivery Guardian display Louis Matustik St Louis Missouri sent photos other information Grumman AF-2S Guardian found Pima Air Museum Tucson Arizona venerable Guardian once dominant model aircraft CL Navy Carrier competition because its availability Sterling kit display form acquired retirod Forest Service used fire bomber torpedo bay enlarged slightly accommodate tanks fire retardant its colors battled forest fires submarines Otherwise appears excellent example Guardian has often modeled dont know Guardians still around cant very ani aware either display flying Guardian lovers might want stop give pat during travels through Arizona Pima Air Museum outstanding museum well worth visit anyone area located south Davis Monthan Air Force Base Information may obtained writing calling Tucson Air Museum Foundation 6000 East Valencia Tucson AZ 85706 telephone 605 574-9658 peed/Lee Continued page 94 knew about problem Foxes back 1950s forgotten about best Fox has aluminum backplate made back works just fine plating Dick Adams Adams Actuator fame used make music-wire spring put wrist pin would hold conrod forward tricky difficult assemble new backplate better could bolt glue Micarta nylon washer proper thickness existing Just make sure bolts sealed Formula Fox Speed will flown next Dayton Cold Cash Speed Bash want try low-key Speed event should get work airplane Two modelers wrote about picture Topping all-aluminum Speed job shown January column Jerry Greaves Newtown Connecticut first point out model shown upside down said never flew it gave him electric shocks through aluminum body through spark plug Norman Schehl antique engine airplane collector Lexington Ohio wrote pointed out inverted photo sent copies instructions came kit titled An Instruction Guide Various Engine Installations Topping 100 show methods install DeLong 30 Hornet 60 Forster 29 Ohlsson 23 OK Super 60 Ohlsson 60 Atwood Champion Vivell 35 engines mounted aluminum bracket bolted front body Atwood Ohlsson OK Hornet held top two backplate screws No wonder few airplanes survive vibration variable engine incidence took quite toll music-wire landing gear bolted same engine bracket extended forward Streamlined wheels used front small wheel bolted tip rudder tail support Red plastic wing tips furnished aluminum spinner completed fuselage three bladed prop used dont know diameter pitch spark ignition coil small wet cell used up lot space fuselage much room left fuel tank Some engines small plastic tank mounted rear others used small metal tanks gasoline-oil fuel mixture gave excellent mileage didnt need much fuel airplane must have bear flythe elevator control horn shown plan less It6 long must have bit sensitive airplane always wanted never got McCoy Invader allaluminum job McCoy 19 time 10 bucks werent being sold first engine plain-bearing McCoy 19 neighbor Merwyn Krahn helped start flogged prop several days finally ran few seconds enough seat rings started quite easily after Merwyn brother big engines McCoy 29s 60s flew few contests held South Dakota back used hot fuel Franciscosthe stuff nitrobenzene smelled like shoe polishand mixed super fuel Ohlsson 30 Plus didnt dare use 30 Plus straight Merwyn sent postcard other day after reading column hes California now flying sport RC havent seen him since 1950s never forgot help gave fun next column will coverage Nationals Its going interesting see results new rules fuel changes affect speeds participation Model Aviation its scale kits engines accessories want & want em now got emFrank Tiano .boat car kits hardto-find pwls & anything need want.its stockJoe Manzella SHIPPED WITHIN 24 HRS 1387 N Mhltary Trail West Palm Beach FL 33403 407488-13669 HOBBY SUPER STORE