Big picture author preparing launch start diesel adjusts compression proper setting chokes primes cyl inder flips prop practice soon get feel whats right Above Adjusting compression twin MVVS 25cc 15size diesels Needle valve setting compression adjustments must worked concurrently get proper run Morrie Leventhai photos its twin 15 diesels dependable handling 45-oz 425sq-in version late-WW II twin Mustang gives double value building time Use trainer twin-engined flying go heady pleasures CL sport Stunt U Barry Baxter THIS DESIGN grew out desire try twin-engine semiscale CL sport Stunt model After narrowing down choices World War H P-series settled P-82 simply because its easier P-38 North American P-82 Twin Mustang developed near end World War II long-range escort fighter Pacific theater Intended missions up 12 hours long required second pilot Only outer wing panels canopies both P5lH interchangeable Mustang Although 500 P-82Bs ordered initially contract tenninated VJ-Day 20 machines completed Some original 20 however Twin Mustang flight line wing dihedral keeps wings level both upright inverted flight yet doesnt hinder acrobatic maneuverability Morn Leventhal photo June 1991 51 Full-Size Plans Available. See Page 203 [I - - 4 P82B TWIN MUSTANG NO SPAN 4B WINS AREA 425 SQ IN DESIGNED & DRAWN BARRY BAXTER SHEET S Al converted P-82C P-82D night fighters differentiated type radar pod installed below wing center section Packard Merlin engines used fall 1946 100 P-82E escort fighters ordered together 100 P-82Fs 50 P-82Gs night fighter variants Allison V-1710 engines changed power profile As planes Air Force fleet enough range operate out Japan P-82s saw service Korean War both fighters ground attack roles Another variant F-82 claimed first kill war June 27 1950 Removed operational service 1953 last piston-engined fighters Air Force total 374 planes produced P-82B 39 ft 1 long wingspan 51 ft 3 reached top speed 482 mph 25100 ft F-82 earnedand still holdsthe long-distance record piston-engined fighters flying Honolulu La Guardia Airport nonstop Originally intended build Twin Mustang easy way joining two Sterling P-Si kits few quick measurements however told Sterling kits smaller farther offscale wanted good Stunting capability after demanded longer model design proved easy 52 Model Aviation P Left Close-up right fuselage showing details engine fuel tank pushrod installations Note tank extends fu selage Right MVVS 25cc diesel unifiow fuel tank venting modified Smith fuel tanks work efficiently Theyre among variety Veco-styie tanks available Generic Models Note fuel fliter must consistent engine runs Morrie Leventhal photos Full-Size Plans Available e Page 203 -F 1099IE7954 4~~~1 K 32 1I27 3 _____4N97 lT -mv4 mm 11 ID P82B TWIN MUSTANG WING SPAS 48 WING AREA 425 SQIN DESIGNED & DRAWN EAWEY EA3ITEE SHEET relatively inexpensive build its satisfying flier also looks authentic Sterling version would have Since two new MVVS 25cc 15size diesels waiting broken twin-engined model exactly right another motive too time quiet skeptics folks insist getting two diesels operate simultaneously just cant done took about half dozen flights break diesels usually would still running after first few laps worth effort engines well synchronized showed off Twin Mustangs capabilities 45-oz 425 sq-in model performs entire Stunt pattern easealthough because its high wing loading square corners little wider Id like P-82 also makes wonderful twinengine trainer Its versatile sport Stunter Diesel engines fired compression heat alone No glow plugs used engines can recognized T-bar adjusting screw head varies compression fuel ether-based highly volatile Since diesels tend have torque glow engines generally use larger props 9 x 6 size isnt uncommon 15-size engines Diesels get extremely good mileage sport 25cc engine will run over seven minutes two ounces fuel sea level much longer high altitude Wyoming 5000 ft altitude Ive June 1991 53 1j [7 [72 113 8910 Continued page 166 Looking model business end four-wheel landing gear gives excellent ground handling power off has proved its ruggedness Morrie Leventhal photo Flying outboard engine P-82 flies beautifully either engine shut down ouboard-engine flight espe cially impressive Morrie Leventhal photo can letter model 25•A B CDE ed n6wckee Pressure Sensitive Water Transfer maor decals 11 sizes 11 great colors L~iHEAST SCREEN GRAPHICS 21 FISHER AVE EAST LOROMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-7794~ Roy Scripps Scripps-Howard newspaper chain stepped forward last minute hired lake steamer Greater Buffalo put memorable affair After-dinner speakers usually prominent personalities gave inspirational messages banquet famed Marine speed aerobatic airman Al Williams showed himself polished communicator Roscoe Turner other hand just couldnt generate kind excitement podium no trouble stirring up whizzed around pylons As droned sweating unique uniform audience grew inattentive rude still experience some unease reflecting Roscoes faltering efforts interesting glorious days aviation modeling hobby becoming better known time general interest publications found model events newsworthy edition Detroit Times gave 1936 Nationals exceptional coverage copy yellow tattered Big beautiful pictures contestants models take up first two pages action picture Ben Shereshaws mammoth twin-boom gas-powered pusher model aloft dominates third shows model heading straight tall man portly woman woman fleeing fence house barn loom just beyond dont know turned out Academy way founded same year 1936 Its always possible Detroit Times picture influenced organizers think about flying site selection crowd control liability insurance key long-term issues P-82 Mustang/Baxter Continued page 53 two ounces last over 15 minutes start diesel engine simply adjust compression proper setting choke prime cylinder flip prop requires some practice soon develop feel must work needle valve setting compression adjustments concurrently get proper run Again practice makes perfect engine sounds though its laboring hard its probably overcompressed its burping like World War rotary engine its undercompressed Whether rich lean runs sound about same glow engine biggest problem twin diesels weight running gear MVVSs weigh 6 oz additional tank prop spinner bring entire gear load up 18 ounces Thats very heavy what basically 30-powered airplane two Fox 35s would T-50 UC-78 CESSNAAT have given same weight penalty course 35s require -in balsa fuselage larger fuel tanks theyd have weighed plane down still compensation Id have 70-poweru model Ive good luck MVVS diesels start quite easily give consistent runs lots power Thouj come two venturis crankcase pressure fitting Ive never use higher-power setups Ive use MVVSs 80-mph Combat models about 360 sq wing area witk same fuel tank setup P-82 ai turning 8 x 6 Taipan props theyll easil attain maximum speed use 81/2 x 61/2 Rev-Up props P-82 primarily because have several hand Theyve worked quite well since havent experimented anythii else have no idea whether theyre optimal Although sound little bi1 two engines work synergistically produce power 30 run pitch usual single engine gain power advantage twin setup other respects performance essentially like single engine MVVS diese available approximately $85 Carlson Engine Imports 814 East Marco Ave Phoenix AZ 85022 Continued page 1 Serious Horsepower1 0S. ST VS Rossi & Webra Parts Service Custom Engines Accessories Dave Shadel Performance Specialties 4/ $100for fully illustrated catalog Available YS Long & Short Stroke 05 Long Stroke OS 6IFSR 0S 40 VRP/VF 05 91 VRDF STX-40 Rossi 40 coming soon information Call 619 729-1658 Hours 10 am 5 pm Monday Thursday P 0 Box 4003 sbad CA 92008 166 Model Aviation AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and* Computer Designed3 Axis Control Reserve Grand Champion Ultralight* Part 103 UltralightEasy Construction 1989 Sun-N-Fun Fly-InWood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 lnis oia timer perfectly proportioned modeling Curtlss Rabin 049 Engines -Channel RIC 41 Wingspan Electric Power Optional 62255 0 cOO Very fee lull scale aircraft ideally suited Ic model flight ia appealing old Curtiss Robin born spruce uses age beautifully proportioned rubber electric glow engisee Esay end fun build trainer-like performance Flyline Models Catalog bOG PhOne 170312730033 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA P-82 Mustang/Baxter Continued page 166 Any engines o-25 range will power Twin Mustang abundantly went 35 size performance would much less forgiving engines quit multiengine flight pilot needs guard against minimum controllable airspeed Vmc low speed plane no longer controllable engine running full power speed allowed drop V03 engine will overpower rudder causing plane yaw uncontrollably usually snap roll inverted Logically enough powerful engines greater minimum controllable airspeedthat faster model will have traveling maintain stable single-engine flight Single-engine operation has quite successful 15-powered Mustang outboard engine model will loop dont exceed 45 degrees since lines get little slack after point Diving bit build up speed also helpful careful about keeping up airspeed Vmc can exceeded learned about doing loop outboard engine Mustang surprised half snap roll upright position cut across circle model actually flies better outboard engine inboard yaws out too much inboard engine slows down excessively other hand makes easier perform touch-and-go landings plane can brought landing taxied several laps slowed about 10 mph maintaining down elevator Controls can neutralized increase speed model can again lift off often mix own fuel following same formula used Red Max Fuel available FHS Supply Inc PO Box 9 239 Bethel Church Rd Clover SC 29710 Tel 800/222-7488 brew consists 35% ether 20% castor oil 2% amyl nitrate 43% kerosene Ive great luck recipe since began operating diesels 1959 shifting lead-outs vertical center-of-gravity wing dihedral keeps wings level both upright inverted flight contrast because lead-outs arent alignment center-of-gravity low-wing models tilt wings downward upright flight dihedral enhances scale appearance doesnt hinder aerobatic maneuverability used Hot Stuff UFO glue throughout Available Satellite City PO Box 836 Simi Valley CA 93062 product doesnt smell up place way CyA adhesives until hit kicker also works well foam Hot Stuff has relieved sinus problems quite bit Now its just balsa dust have contend Construction Its easiest begin creating kit parts prototype fuselage halves cut out 3/g x 4-in balsa planks An alternate joining line use 3-in stock shown plans Wing Cut right wing tip indicated plan Join right panel Lay lower spar plan assemble center wing section Sand angle leading trailing edges outboard panels shown plan front view Assemble panels over plan dont glue spar Use dihedral support raise tips inch gluing dihedral brace Glue dihedral brace leading edges glue leading trailing edges together Finish installing upper lower spars Keep piece make sure no warps wing spars will easily bend around slight curve dihedral break Install wing tips control system components Tie pushrods together keep flopping around youre working rest model Plank wing set Original EZ UP4 Sun Shelters 8x8 * Sturdy Steel Frames Heavy Duty Fade Resistant Nylon 1OX1O Canopies RedWhlte Blue 1O15 Sets Up less 60 Seconds No Ropes Nothing Assemble Authorized E-Z UP Corp Dealer * John Peck Leisure Products Ltd AA 3287 AMA 8580131 Ravonwood Road Other Sizes Colors AndVersaillesKY 40383 Accessories Available Plus1606 873-5172 Custom Logos Lettering e 170 Model Aviation 20 Years INSTANT SERVICE o FREE PRODUCT INFO TIP BOOK o FREE WHY INSTANT GLUES CLOG O FREE EASY-WAY FIBERGLASSING o VIDEO 2-56 MIN VHS ADD $1500 Check What YouId Like & SEND SELF-ADDRESSED STAMPED ENVELOPE Company Started P0 X 836 SIMI VALLEY CA 93062 aside Fuselage Make sure youve cut out both right side left Assemble balsa parts including doublers engine mounts Maintain solid doubler outboard side fuselage using plywood shims engine will prevent case extending through fuselage Dont install belly scoop point Assemble rudder attach fuselage Sand fuselage sides shape fair rudder Glue sides wing install stabilizer through slots fins Make sure everything square Hinge center flap elevator taking care keep glue out hinge line used standard nylon hinges pins Install control horns Connect pushrods Adjust travel equal amounts Up Down make sure flaps elevators neutral position together gave flaps about 20 degrees travel used 40 degrees elevator Though its subject much debate ratio works Additional flap travel could slow model its dreaded Vmc threshold Still youre welcome try different ratio 11 instance long dont tilt balance other direction allowed flap elevator travel youd courting disaster Install bottom scoop outboard fixed flaps Glue landing gear prepared holes notches rugged gear survived harsh finale unplanned half snap roll model slowed down too much outboard engine Covering finishing Give structure thorough sanding youre ready covering finishing covered prototype aluminum MonoKote painted Formula U Flight Silver sure silver clear-coated Otherwise its guaranteed come off make sorry mess used Black Baron clearthe second time around trim lines done tape extremely selective about covering materials youre using diesel power plastic iron-ons will shrivel up after few weeks exposure diesel fuel exhaust materials can recommend point MonoKote colored Micafilm Paint acceptable except aforementioned silverand stuff comes off no fuel around Wells Cargo Behind. Never Look Back WELLS CARGO Rolling Hanger like makes sense serious RC model pilot has dependable weather-proof transport has convenient safe storage Bird wings spare props radio gear organized ready go Buzzin anytime weatherman says OK Cloud Dancer unit 12 foot ToteWagon model Weve got Wells Cargo just right 6 feet up 3 YR LIMITED WARRANTY PROGRAM FACTORY SERVICE POINTS A TX UTAH US WIDE DEALER SERVICE NETWORK BALL HITCH TRAILERS 6-32 GOOSE NECKS 0 1-800-348-7553 FOR LITERATURE PRICES DEALER & PLANT LOCATIONS SINCE 1954LCARGJLS CARGO PO BOX 728-982ELKHART IN 465150728 prototype uses modified Smith fuel tanks uniflow venting available Generic Models 521 Jansen Ave San Dimas CA 91773 Generic makes variety Veco-style tanks standard uniflow venting Mounting tanks required moving stock plumbing clear fuselage Glue slots fuselage UFO uniflow venting vent submerged fuel vacuum builds up above fuel reduces head pressure tank As engine leans out model picks up speed air rammed tank Fuel head pressure fuel flow increase richening mixture slowing plane down Apparently theory sound because tanks work efficiently Check balance point center-ofgravity should either match shown plans within /2 forward Adjust balance necessary adding weight appropriate end prototype balanced added weight Flying Starting left engine first SAY YOU SAW IT IN MODEL AVIATION prevents getting hand running engine trying flip other prop Since airplane performs better outboard engine alone unaided inboard engine its no problem inboard engine quits first predictable flier P-82 does extremely well two enginesand iSs no surprises engine quits As noted earlier however airspeed becomes critical engine want single-engined aerobatics make sure youve built up enough speed complete given maneuver Novice fliers best attempt P-38 Mustang gives flexibility two planes Use learn characteristics twin-engine models move sheer exhilaration Control Line sport Stunting skip trainer step entirely enjoy model its full aerobatics capabilities choice yours responding advertisers mention read about Model Aviation June 1991 171 MODEL TW121 GO FLYING WITH COMPLETE ROLLING HANGER LIKE THIS PINSPATCHES Lutan ErnL/im Co CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539 Rubber ft Engine Power Free Flight Display Control Line Electric Power RJC Airplanes new illuetreted 32 page tabloId size cetelog US ft Canada *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanedale PA 19448 215- 368-0770 WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS - I Coolnn DasinnRANGER FIBERGLASS specializing ccston design ms/dingCampton NH RANGER FIBERGLASS CO has been Box 879 aerospace industry sinte 795903223
Edition: Model Aviation - 1991/06
Page Numbers: 51, 52, 53, 166, 170, 171
Big picture author preparing launch start diesel adjusts compression proper setting chokes primes cyl inder flips prop practice soon get feel whats right Above Adjusting compression twin MVVS 25cc 15size diesels Needle valve setting compression adjustments must worked concurrently get proper run Morrie Leventhai photos its twin 15 diesels dependable handling 45-oz 425sq-in version late-WW II twin Mustang gives double value building time Use trainer twin-engined flying go heady pleasures CL sport Stunt U Barry Baxter THIS DESIGN grew out desire try twin-engine semiscale CL sport Stunt model After narrowing down choices World War H P-series settled P-82 simply because its easier P-38 North American P-82 Twin Mustang developed near end World War II long-range escort fighter Pacific theater Intended missions up 12 hours long required second pilot Only outer wing panels canopies both P5lH interchangeable Mustang Although 500 P-82Bs ordered initially contract tenninated VJ-Day 20 machines completed Some original 20 however Twin Mustang flight line wing dihedral keeps wings level both upright inverted flight yet doesnt hinder acrobatic maneuverability Morn Leventhal photo June 1991 51 Full-Size Plans Available. See Page 203 [I - - 4 P82B TWIN MUSTANG NO SPAN 4B WINS AREA 425 SQ IN DESIGNED & DRAWN BARRY BAXTER SHEET S Al converted P-82C P-82D night fighters differentiated type radar pod installed below wing center section Packard Merlin engines used fall 1946 100 P-82E escort fighters ordered together 100 P-82Fs 50 P-82Gs night fighter variants Allison V-1710 engines changed power profile As planes Air Force fleet enough range operate out Japan P-82s saw service Korean War both fighters ground attack roles Another variant F-82 claimed first kill war June 27 1950 Removed operational service 1953 last piston-engined fighters Air Force total 374 planes produced P-82B 39 ft 1 long wingspan 51 ft 3 reached top speed 482 mph 25100 ft F-82 earnedand still holdsthe long-distance record piston-engined fighters flying Honolulu La Guardia Airport nonstop Originally intended build Twin Mustang easy way joining two Sterling P-Si kits few quick measurements however told Sterling kits smaller farther offscale wanted good Stunting capability after demanded longer model design proved easy 52 Model Aviation P Left Close-up right fuselage showing details engine fuel tank pushrod installations Note tank extends fu selage Right MVVS 25cc diesel unifiow fuel tank venting modified Smith fuel tanks work efficiently Theyre among variety Veco-styie tanks available Generic Models Note fuel fliter must consistent engine runs Morrie Leventhal photos Full-Size Plans Available e Page 203 -F 1099IE7954 4~~~1 K 32 1I27 3 _____4N97 lT -mv4 mm 11 ID P82B TWIN MUSTANG WING SPAS 48 WING AREA 425 SQIN DESIGNED & DRAWN EAWEY EA3ITEE SHEET relatively inexpensive build its satisfying flier also looks authentic Sterling version would have Since two new MVVS 25cc 15size diesels waiting broken twin-engined model exactly right another motive too time quiet skeptics folks insist getting two diesels operate simultaneously just cant done took about half dozen flights break diesels usually would still running after first few laps worth effort engines well synchronized showed off Twin Mustangs capabilities 45-oz 425 sq-in model performs entire Stunt pattern easealthough because its high wing loading square corners little wider Id like P-82 also makes wonderful twinengine trainer Its versatile sport Stunter Diesel engines fired compression heat alone No glow plugs used engines can recognized T-bar adjusting screw head varies compression fuel ether-based highly volatile Since diesels tend have torque glow engines generally use larger props 9 x 6 size isnt uncommon 15-size engines Diesels get extremely good mileage sport 25cc engine will run over seven minutes two ounces fuel sea level much longer high altitude Wyoming 5000 ft altitude Ive June 1991 53 1j [7 [72 113 8910 Continued page 166 Looking model business end four-wheel landing gear gives excellent ground handling power off has proved its ruggedness Morrie Leventhal photo Flying outboard engine P-82 flies beautifully either engine shut down ouboard-engine flight espe cially impressive Morrie Leventhal photo can letter model 25•A B CDE ed n6wckee Pressure Sensitive Water Transfer maor decals 11 sizes 11 great colors L~iHEAST SCREEN GRAPHICS 21 FISHER AVE EAST LOROMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-7794~ Roy Scripps Scripps-Howard newspaper chain stepped forward last minute hired lake steamer Greater Buffalo put memorable affair After-dinner speakers usually prominent personalities gave inspirational messages banquet famed Marine speed aerobatic airman Al Williams showed himself polished communicator Roscoe Turner other hand just couldnt generate kind excitement podium no trouble stirring up whizzed around pylons As droned sweating unique uniform audience grew inattentive rude still experience some unease reflecting Roscoes faltering efforts interesting glorious days aviation modeling hobby becoming better known time general interest publications found model events newsworthy edition Detroit Times gave 1936 Nationals exceptional coverage copy yellow tattered Big beautiful pictures contestants models take up first two pages action picture Ben Shereshaws mammoth twin-boom gas-powered pusher model aloft dominates third shows model heading straight tall man portly woman woman fleeing fence house barn loom just beyond dont know turned out Academy way founded same year 1936 Its always possible Detroit Times picture influenced organizers think about flying site selection crowd control liability insurance key long-term issues P-82 Mustang/Baxter Continued page 53 two ounces last over 15 minutes start diesel engine simply adjust compression proper setting choke prime cylinder flip prop requires some practice soon develop feel must work needle valve setting compression adjustments concurrently get proper run Again practice makes perfect engine sounds though its laboring hard its probably overcompressed its burping like World War rotary engine its undercompressed Whether rich lean runs sound about same glow engine biggest problem twin diesels weight running gear MVVSs weigh 6 oz additional tank prop spinner bring entire gear load up 18 ounces Thats very heavy what basically 30-powered airplane two Fox 35s would T-50 UC-78 CESSNAAT have given same weight penalty course 35s require -in balsa fuselage larger fuel tanks theyd have weighed plane down still compensation Id have 70-poweru model Ive good luck MVVS diesels start quite easily give consistent runs lots power Thouj come two venturis crankcase pressure fitting Ive never use higher-power setups Ive use MVVSs 80-mph Combat models about 360 sq wing area witk same fuel tank setup P-82 ai turning 8 x 6 Taipan props theyll easil attain maximum speed use 81/2 x 61/2 Rev-Up props P-82 primarily because have several hand Theyve worked quite well since havent experimented anythii else have no idea whether theyre optimal Although sound little bi1 two engines work synergistically produce power 30 run pitch usual single engine gain power advantage twin setup other respects performance essentially like single engine MVVS diese available approximately $85 Carlson Engine Imports 814 East Marco Ave Phoenix AZ 85022 Continued page 1 Serious Horsepower1 0S. ST VS Rossi & Webra Parts Service Custom Engines Accessories Dave Shadel Performance Specialties 4/ $100for fully illustrated catalog Available YS Long & Short Stroke 05 Long Stroke OS 6IFSR 0S 40 VRP/VF 05 91 VRDF STX-40 Rossi 40 coming soon information Call 619 729-1658 Hours 10 am 5 pm Monday Thursday P 0 Box 4003 sbad CA 92008 166 Model Aviation AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and* Computer Designed3 Axis Control Reserve Grand Champion Ultralight* Part 103 UltralightEasy Construction 1989 Sun-N-Fun Fly-InWood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 lnis oia timer perfectly proportioned modeling Curtlss Rabin 049 Engines -Channel RIC 41 Wingspan Electric Power Optional 62255 0 cOO Very fee lull scale aircraft ideally suited Ic model flight ia appealing old Curtiss Robin born spruce uses age beautifully proportioned rubber electric glow engisee Esay end fun build trainer-like performance Flyline Models Catalog bOG PhOne 170312730033 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA P-82 Mustang/Baxter Continued page 166 Any engines o-25 range will power Twin Mustang abundantly went 35 size performance would much less forgiving engines quit multiengine flight pilot needs guard against minimum controllable airspeed Vmc low speed plane no longer controllable engine running full power speed allowed drop V03 engine will overpower rudder causing plane yaw uncontrollably usually snap roll inverted Logically enough powerful engines greater minimum controllable airspeedthat faster model will have traveling maintain stable single-engine flight Single-engine operation has quite successful 15-powered Mustang outboard engine model will loop dont exceed 45 degrees since lines get little slack after point Diving bit build up speed also helpful careful about keeping up airspeed Vmc can exceeded learned about doing loop outboard engine Mustang surprised half snap roll upright position cut across circle model actually flies better outboard engine inboard yaws out too much inboard engine slows down excessively other hand makes easier perform touch-and-go landings plane can brought landing taxied several laps slowed about 10 mph maintaining down elevator Controls can neutralized increase speed model can again lift off often mix own fuel following same formula used Red Max Fuel available FHS Supply Inc PO Box 9 239 Bethel Church Rd Clover SC 29710 Tel 800/222-7488 brew consists 35% ether 20% castor oil 2% amyl nitrate 43% kerosene Ive great luck recipe since began operating diesels 1959 shifting lead-outs vertical center-of-gravity wing dihedral keeps wings level both upright inverted flight contrast because lead-outs arent alignment center-of-gravity low-wing models tilt wings downward upright flight dihedral enhances scale appearance doesnt hinder aerobatic maneuverability used Hot Stuff UFO glue throughout Available Satellite City PO Box 836 Simi Valley CA 93062 product doesnt smell up place way CyA adhesives until hit kicker also works well foam Hot Stuff has relieved sinus problems quite bit Now its just balsa dust have contend Construction Its easiest begin creating kit parts prototype fuselage halves cut out 3/g x 4-in balsa planks An alternate joining line use 3-in stock shown plans Wing Cut right wing tip indicated plan Join right panel Lay lower spar plan assemble center wing section Sand angle leading trailing edges outboard panels shown plan front view Assemble panels over plan dont glue spar Use dihedral support raise tips inch gluing dihedral brace Glue dihedral brace leading edges glue leading trailing edges together Finish installing upper lower spars Keep piece make sure no warps wing spars will easily bend around slight curve dihedral break Install wing tips control system components Tie pushrods together keep flopping around youre working rest model Plank wing set Original EZ UP4 Sun Shelters 8x8 * Sturdy Steel Frames Heavy Duty Fade Resistant Nylon 1OX1O Canopies RedWhlte Blue 1O15 Sets Up less 60 Seconds No Ropes Nothing Assemble Authorized E-Z UP Corp Dealer * John Peck Leisure Products Ltd AA 3287 AMA 8580131 Ravonwood Road Other Sizes Colors AndVersaillesKY 40383 Accessories Available Plus1606 873-5172 Custom Logos Lettering e 170 Model Aviation 20 Years INSTANT SERVICE o FREE PRODUCT INFO TIP BOOK o FREE WHY INSTANT GLUES CLOG O FREE EASY-WAY FIBERGLASSING o VIDEO 2-56 MIN VHS ADD $1500 Check What YouId Like & SEND SELF-ADDRESSED STAMPED ENVELOPE Company Started P0 X 836 SIMI VALLEY CA 93062 aside Fuselage Make sure youve cut out both right side left Assemble balsa parts including doublers engine mounts Maintain solid doubler outboard side fuselage using plywood shims engine will prevent case extending through fuselage Dont install belly scoop point Assemble rudder attach fuselage Sand fuselage sides shape fair rudder Glue sides wing install stabilizer through slots fins Make sure everything square Hinge center flap elevator taking care keep glue out hinge line used standard nylon hinges pins Install control horns Connect pushrods Adjust travel equal amounts Up Down make sure flaps elevators neutral position together gave flaps about 20 degrees travel used 40 degrees elevator Though its subject much debate ratio works Additional flap travel could slow model its dreaded Vmc threshold Still youre welcome try different ratio 11 instance long dont tilt balance other direction allowed flap elevator travel youd courting disaster Install bottom scoop outboard fixed flaps Glue landing gear prepared holes notches rugged gear survived harsh finale unplanned half snap roll model slowed down too much outboard engine Covering finishing Give structure thorough sanding youre ready covering finishing covered prototype aluminum MonoKote painted Formula U Flight Silver sure silver clear-coated Otherwise its guaranteed come off make sorry mess used Black Baron clearthe second time around trim lines done tape extremely selective about covering materials youre using diesel power plastic iron-ons will shrivel up after few weeks exposure diesel fuel exhaust materials can recommend point MonoKote colored Micafilm Paint acceptable except aforementioned silverand stuff comes off no fuel around Wells Cargo Behind. Never Look Back WELLS CARGO Rolling Hanger like makes sense serious RC model pilot has dependable weather-proof transport has convenient safe storage Bird wings spare props radio gear organized ready go Buzzin anytime weatherman says OK Cloud Dancer unit 12 foot ToteWagon model Weve got Wells Cargo just right 6 feet up 3 YR LIMITED WARRANTY PROGRAM FACTORY SERVICE POINTS A TX UTAH US WIDE DEALER SERVICE NETWORK BALL HITCH TRAILERS 6-32 GOOSE NECKS 0 1-800-348-7553 FOR LITERATURE PRICES DEALER & PLANT LOCATIONS SINCE 1954LCARGJLS CARGO PO BOX 728-982ELKHART IN 465150728 prototype uses modified Smith fuel tanks uniflow venting available Generic Models 521 Jansen Ave San Dimas CA 91773 Generic makes variety Veco-style tanks standard uniflow venting Mounting tanks required moving stock plumbing clear fuselage Glue slots fuselage UFO uniflow venting vent submerged fuel vacuum builds up above fuel reduces head pressure tank As engine leans out model picks up speed air rammed tank Fuel head pressure fuel flow increase richening mixture slowing plane down Apparently theory sound because tanks work efficiently Check balance point center-ofgravity should either match shown plans within /2 forward Adjust balance necessary adding weight appropriate end prototype balanced added weight Flying Starting left engine first SAY YOU SAW IT IN MODEL AVIATION prevents getting hand running engine trying flip other prop Since airplane performs better outboard engine alone unaided inboard engine its no problem inboard engine quits first predictable flier P-82 does extremely well two enginesand iSs no surprises engine quits As noted earlier however airspeed becomes critical engine want single-engined aerobatics make sure youve built up enough speed complete given maneuver Novice fliers best attempt P-38 Mustang gives flexibility two planes Use learn characteristics twin-engine models move sheer exhilaration Control Line sport Stunting skip trainer step entirely enjoy model its full aerobatics capabilities choice yours responding advertisers mention read about Model Aviation June 1991 171 MODEL TW121 GO FLYING WITH COMPLETE ROLLING HANGER LIKE THIS PINSPATCHES Lutan ErnL/im Co CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539 Rubber ft Engine Power Free Flight Display Control Line Electric Power RJC Airplanes new illuetreted 32 page tabloId size cetelog US ft Canada *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanedale PA 19448 215- 368-0770 WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS - I Coolnn DasinnRANGER FIBERGLASS specializing ccston design ms/dingCampton NH RANGER FIBERGLASS CO has been Box 879 aerospace industry sinte 795903223
Edition: Model Aviation - 1991/06
Page Numbers: 51, 52, 53, 166, 170, 171
Big picture author preparing launch start diesel adjusts compression proper setting chokes primes cyl inder flips prop practice soon get feel whats right Above Adjusting compression twin MVVS 25cc 15size diesels Needle valve setting compression adjustments must worked concurrently get proper run Morrie Leventhai photos its twin 15 diesels dependable handling 45-oz 425sq-in version late-WW II twin Mustang gives double value building time Use trainer twin-engined flying go heady pleasures CL sport Stunt U Barry Baxter THIS DESIGN grew out desire try twin-engine semiscale CL sport Stunt model After narrowing down choices World War H P-series settled P-82 simply because its easier P-38 North American P-82 Twin Mustang developed near end World War II long-range escort fighter Pacific theater Intended missions up 12 hours long required second pilot Only outer wing panels canopies both P5lH interchangeable Mustang Although 500 P-82Bs ordered initially contract tenninated VJ-Day 20 machines completed Some original 20 however Twin Mustang flight line wing dihedral keeps wings level both upright inverted flight yet doesnt hinder acrobatic maneuverability Morn Leventhal photo June 1991 51 Full-Size Plans Available. See Page 203 [I - - 4 P82B TWIN MUSTANG NO SPAN 4B WINS AREA 425 SQ IN DESIGNED & DRAWN BARRY BAXTER SHEET S Al converted P-82C P-82D night fighters differentiated type radar pod installed below wing center section Packard Merlin engines used fall 1946 100 P-82E escort fighters ordered together 100 P-82Fs 50 P-82Gs night fighter variants Allison V-1710 engines changed power profile As planes Air Force fleet enough range operate out Japan P-82s saw service Korean War both fighters ground attack roles Another variant F-82 claimed first kill war June 27 1950 Removed operational service 1953 last piston-engined fighters Air Force total 374 planes produced P-82B 39 ft 1 long wingspan 51 ft 3 reached top speed 482 mph 25100 ft F-82 earnedand still holdsthe long-distance record piston-engined fighters flying Honolulu La Guardia Airport nonstop Originally intended build Twin Mustang easy way joining two Sterling P-Si kits few quick measurements however told Sterling kits smaller farther offscale wanted good Stunting capability after demanded longer model design proved easy 52 Model Aviation P Left Close-up right fuselage showing details engine fuel tank pushrod installations Note tank extends fu selage Right MVVS 25cc diesel unifiow fuel tank venting modified Smith fuel tanks work efficiently Theyre among variety Veco-styie tanks available Generic Models Note fuel fliter must consistent engine runs Morrie Leventhal photos Full-Size Plans Available e Page 203 -F 1099IE7954 4~~~1 K 32 1I27 3 _____4N97 lT -mv4 mm 11 ID P82B TWIN MUSTANG WING SPAS 48 WING AREA 425 SQIN DESIGNED & DRAWN EAWEY EA3ITEE SHEET relatively inexpensive build its satisfying flier also looks authentic Sterling version would have Since two new MVVS 25cc 15size diesels waiting broken twin-engined model exactly right another motive too time quiet skeptics folks insist getting two diesels operate simultaneously just cant done took about half dozen flights break diesels usually would still running after first few laps worth effort engines well synchronized showed off Twin Mustangs capabilities 45-oz 425 sq-in model performs entire Stunt pattern easealthough because its high wing loading square corners little wider Id like P-82 also makes wonderful twinengine trainer Its versatile sport Stunter Diesel engines fired compression heat alone No glow plugs used engines can recognized T-bar adjusting screw head varies compression fuel ether-based highly volatile Since diesels tend have torque glow engines generally use larger props 9 x 6 size isnt uncommon 15-size engines Diesels get extremely good mileage sport 25cc engine will run over seven minutes two ounces fuel sea level much longer high altitude Wyoming 5000 ft altitude Ive June 1991 53 1j [7 [72 113 8910 Continued page 166 Looking model business end four-wheel landing gear gives excellent ground handling power off has proved its ruggedness Morrie Leventhal photo Flying outboard engine P-82 flies beautifully either engine shut down ouboard-engine flight espe cially impressive Morrie Leventhal photo can letter model 25•A B CDE ed n6wckee Pressure Sensitive Water Transfer maor decals 11 sizes 11 great colors L~iHEAST SCREEN GRAPHICS 21 FISHER AVE EAST LOROMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-7794~ Roy Scripps Scripps-Howard newspaper chain stepped forward last minute hired lake steamer Greater Buffalo put memorable affair After-dinner speakers usually prominent personalities gave inspirational messages banquet famed Marine speed aerobatic airman Al Williams showed himself polished communicator Roscoe Turner other hand just couldnt generate kind excitement podium no trouble stirring up whizzed around pylons As droned sweating unique uniform audience grew inattentive rude still experience some unease reflecting Roscoes faltering efforts interesting glorious days aviation modeling hobby becoming better known time general interest publications found model events newsworthy edition Detroit Times gave 1936 Nationals exceptional coverage copy yellow tattered Big beautiful pictures contestants models take up first two pages action picture Ben Shereshaws mammoth twin-boom gas-powered pusher model aloft dominates third shows model heading straight tall man portly woman woman fleeing fence house barn loom just beyond dont know turned out Academy way founded same year 1936 Its always possible Detroit Times picture influenced organizers think about flying site selection crowd control liability insurance key long-term issues P-82 Mustang/Baxter Continued page 53 two ounces last over 15 minutes start diesel engine simply adjust compression proper setting choke prime cylinder flip prop requires some practice soon develop feel must work needle valve setting compression adjustments concurrently get proper run Again practice makes perfect engine sounds though its laboring hard its probably overcompressed its burping like World War rotary engine its undercompressed Whether rich lean runs sound about same glow engine biggest problem twin diesels weight running gear MVVSs weigh 6 oz additional tank prop spinner bring entire gear load up 18 ounces Thats very heavy what basically 30-powered airplane two Fox 35s would T-50 UC-78 CESSNAAT have given same weight penalty course 35s require -in balsa fuselage larger fuel tanks theyd have weighed plane down still compensation Id have 70-poweru model Ive good luck MVVS diesels start quite easily give consistent runs lots power Thouj come two venturis crankcase pressure fitting Ive never use higher-power setups Ive use MVVSs 80-mph Combat models about 360 sq wing area witk same fuel tank setup P-82 ai turning 8 x 6 Taipan props theyll easil attain maximum speed use 81/2 x 61/2 Rev-Up props P-82 primarily because have several hand Theyve worked quite well since havent experimented anythii else have no idea whether theyre optimal Although sound little bi1 two engines work synergistically produce power 30 run pitch usual single engine gain power advantage twin setup other respects performance essentially like single engine MVVS diese available approximately $85 Carlson Engine Imports 814 East Marco Ave Phoenix AZ 85022 Continued page 1 Serious Horsepower1 0S. ST VS Rossi & Webra Parts Service Custom Engines Accessories Dave Shadel Performance Specialties 4/ $100for fully illustrated catalog Available YS Long & Short Stroke 05 Long Stroke OS 6IFSR 0S 40 VRP/VF 05 91 VRDF STX-40 Rossi 40 coming soon information Call 619 729-1658 Hours 10 am 5 pm Monday Thursday P 0 Box 4003 sbad CA 92008 166 Model Aviation AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and* Computer Designed3 Axis Control Reserve Grand Champion Ultralight* Part 103 UltralightEasy Construction 1989 Sun-N-Fun Fly-InWood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 lnis oia timer perfectly proportioned modeling Curtlss Rabin 049 Engines -Channel RIC 41 Wingspan Electric Power Optional 62255 0 cOO Very fee lull scale aircraft ideally suited Ic model flight ia appealing old Curtiss Robin born spruce uses age beautifully proportioned rubber electric glow engisee Esay end fun build trainer-like performance Flyline Models Catalog bOG PhOne 170312730033 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA P-82 Mustang/Baxter Continued page 166 Any engines o-25 range will power Twin Mustang abundantly went 35 size performance would much less forgiving engines quit multiengine flight pilot needs guard against minimum controllable airspeed Vmc low speed plane no longer controllable engine running full power speed allowed drop V03 engine will overpower rudder causing plane yaw uncontrollably usually snap roll inverted Logically enough powerful engines greater minimum controllable airspeedthat faster model will have traveling maintain stable single-engine flight Single-engine operation has quite successful 15-powered Mustang outboard engine model will loop dont exceed 45 degrees since lines get little slack after point Diving bit build up speed also helpful careful about keeping up airspeed Vmc can exceeded learned about doing loop outboard engine Mustang surprised half snap roll upright position cut across circle model actually flies better outboard engine inboard yaws out too much inboard engine slows down excessively other hand makes easier perform touch-and-go landings plane can brought landing taxied several laps slowed about 10 mph maintaining down elevator Controls can neutralized increase speed model can again lift off often mix own fuel following same formula used Red Max Fuel available FHS Supply Inc PO Box 9 239 Bethel Church Rd Clover SC 29710 Tel 800/222-7488 brew consists 35% ether 20% castor oil 2% amyl nitrate 43% kerosene Ive great luck recipe since began operating diesels 1959 shifting lead-outs vertical center-of-gravity wing dihedral keeps wings level both upright inverted flight contrast because lead-outs arent alignment center-of-gravity low-wing models tilt wings downward upright flight dihedral enhances scale appearance doesnt hinder aerobatic maneuverability used Hot Stuff UFO glue throughout Available Satellite City PO Box 836 Simi Valley CA 93062 product doesnt smell up place way CyA adhesives until hit kicker also works well foam Hot Stuff has relieved sinus problems quite bit Now its just balsa dust have contend Construction Its easiest begin creating kit parts prototype fuselage halves cut out 3/g x 4-in balsa planks An alternate joining line use 3-in stock shown plans Wing Cut right wing tip indicated plan Join right panel Lay lower spar plan assemble center wing section Sand angle leading trailing edges outboard panels shown plan front view Assemble panels over plan dont glue spar Use dihedral support raise tips inch gluing dihedral brace Glue dihedral brace leading edges glue leading trailing edges together Finish installing upper lower spars Keep piece make sure no warps wing spars will easily bend around slight curve dihedral break Install wing tips control system components Tie pushrods together keep flopping around youre working rest model Plank wing set Original EZ UP4 Sun Shelters 8x8 * Sturdy Steel Frames Heavy Duty Fade Resistant Nylon 1OX1O Canopies RedWhlte Blue 1O15 Sets Up less 60 Seconds No Ropes Nothing Assemble Authorized E-Z UP Corp Dealer * John Peck Leisure Products Ltd AA 3287 AMA 8580131 Ravonwood Road Other Sizes Colors AndVersaillesKY 40383 Accessories Available Plus1606 873-5172 Custom Logos Lettering e 170 Model Aviation 20 Years INSTANT SERVICE o FREE PRODUCT INFO TIP BOOK o FREE WHY INSTANT GLUES CLOG O FREE EASY-WAY FIBERGLASSING o VIDEO 2-56 MIN VHS ADD $1500 Check What YouId Like & SEND SELF-ADDRESSED STAMPED ENVELOPE Company Started P0 X 836 SIMI VALLEY CA 93062 aside Fuselage Make sure youve cut out both right side left Assemble balsa parts including doublers engine mounts Maintain solid doubler outboard side fuselage using plywood shims engine will prevent case extending through fuselage Dont install belly scoop point Assemble rudder attach fuselage Sand fuselage sides shape fair rudder Glue sides wing install stabilizer through slots fins Make sure everything square Hinge center flap elevator taking care keep glue out hinge line used standard nylon hinges pins Install control horns Connect pushrods Adjust travel equal amounts Up Down make sure flaps elevators neutral position together gave flaps about 20 degrees travel used 40 degrees elevator Though its subject much debate ratio works Additional flap travel could slow model its dreaded Vmc threshold Still youre welcome try different ratio 11 instance long dont tilt balance other direction allowed flap elevator travel youd courting disaster Install bottom scoop outboard fixed flaps Glue landing gear prepared holes notches rugged gear survived harsh finale unplanned half snap roll model slowed down too much outboard engine Covering finishing Give structure thorough sanding youre ready covering finishing covered prototype aluminum MonoKote painted Formula U Flight Silver sure silver clear-coated Otherwise its guaranteed come off make sorry mess used Black Baron clearthe second time around trim lines done tape extremely selective about covering materials youre using diesel power plastic iron-ons will shrivel up after few weeks exposure diesel fuel exhaust materials can recommend point MonoKote colored Micafilm Paint acceptable except aforementioned silverand stuff comes off no fuel around Wells Cargo Behind. Never Look Back WELLS CARGO Rolling Hanger like makes sense serious RC model pilot has dependable weather-proof transport has convenient safe storage Bird wings spare props radio gear organized ready go Buzzin anytime weatherman says OK Cloud Dancer unit 12 foot ToteWagon model Weve got Wells Cargo just right 6 feet up 3 YR LIMITED WARRANTY PROGRAM FACTORY SERVICE POINTS A TX UTAH US WIDE DEALER SERVICE NETWORK BALL HITCH TRAILERS 6-32 GOOSE NECKS 0 1-800-348-7553 FOR LITERATURE PRICES DEALER & PLANT LOCATIONS SINCE 1954LCARGJLS CARGO PO BOX 728-982ELKHART IN 465150728 prototype uses modified Smith fuel tanks uniflow venting available Generic Models 521 Jansen Ave San Dimas CA 91773 Generic makes variety Veco-style tanks standard uniflow venting Mounting tanks required moving stock plumbing clear fuselage Glue slots fuselage UFO uniflow venting vent submerged fuel vacuum builds up above fuel reduces head pressure tank As engine leans out model picks up speed air rammed tank Fuel head pressure fuel flow increase richening mixture slowing plane down Apparently theory sound because tanks work efficiently Check balance point center-ofgravity should either match shown plans within /2 forward Adjust balance necessary adding weight appropriate end prototype balanced added weight Flying Starting left engine first SAY YOU SAW IT IN MODEL AVIATION prevents getting hand running engine trying flip other prop Since airplane performs better outboard engine alone unaided inboard engine its no problem inboard engine quits first predictable flier P-82 does extremely well two enginesand iSs no surprises engine quits As noted earlier however airspeed becomes critical engine want single-engined aerobatics make sure youve built up enough speed complete given maneuver Novice fliers best attempt P-38 Mustang gives flexibility two planes Use learn characteristics twin-engine models move sheer exhilaration Control Line sport Stunting skip trainer step entirely enjoy model its full aerobatics capabilities choice yours responding advertisers mention read about Model Aviation June 1991 171 MODEL TW121 GO FLYING WITH COMPLETE ROLLING HANGER LIKE THIS PINSPATCHES Lutan ErnL/im Co CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539 Rubber ft Engine Power Free Flight Display Control Line Electric Power RJC Airplanes new illuetreted 32 page tabloId size cetelog US ft Canada *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanedale PA 19448 215- 368-0770 WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS - I Coolnn DasinnRANGER FIBERGLASS specializing ccston design ms/dingCampton NH RANGER FIBERGLASS CO has been Box 879 aerospace industry sinte 795903223
Edition: Model Aviation - 1991/06
Page Numbers: 51, 52, 53, 166, 170, 171
Big picture author preparing launch start diesel adjusts compression proper setting chokes primes cyl inder flips prop practice soon get feel whats right Above Adjusting compression twin MVVS 25cc 15size diesels Needle valve setting compression adjustments must worked concurrently get proper run Morrie Leventhai photos its twin 15 diesels dependable handling 45-oz 425sq-in version late-WW II twin Mustang gives double value building time Use trainer twin-engined flying go heady pleasures CL sport Stunt U Barry Baxter THIS DESIGN grew out desire try twin-engine semiscale CL sport Stunt model After narrowing down choices World War H P-series settled P-82 simply because its easier P-38 North American P-82 Twin Mustang developed near end World War II long-range escort fighter Pacific theater Intended missions up 12 hours long required second pilot Only outer wing panels canopies both P5lH interchangeable Mustang Although 500 P-82Bs ordered initially contract tenninated VJ-Day 20 machines completed Some original 20 however Twin Mustang flight line wing dihedral keeps wings level both upright inverted flight yet doesnt hinder acrobatic maneuverability Morn Leventhal photo June 1991 51 Full-Size Plans Available. See Page 203 [I - - 4 P82B TWIN MUSTANG NO SPAN 4B WINS AREA 425 SQ IN DESIGNED & DRAWN BARRY BAXTER SHEET S Al converted P-82C P-82D night fighters differentiated type radar pod installed below wing center section Packard Merlin engines used fall 1946 100 P-82E escort fighters ordered together 100 P-82Fs 50 P-82Gs night fighter variants Allison V-1710 engines changed power profile As planes Air Force fleet enough range operate out Japan P-82s saw service Korean War both fighters ground attack roles Another variant F-82 claimed first kill war June 27 1950 Removed operational service 1953 last piston-engined fighters Air Force total 374 planes produced P-82B 39 ft 1 long wingspan 51 ft 3 reached top speed 482 mph 25100 ft F-82 earnedand still holdsthe long-distance record piston-engined fighters flying Honolulu La Guardia Airport nonstop Originally intended build Twin Mustang easy way joining two Sterling P-Si kits few quick measurements however told Sterling kits smaller farther offscale wanted good Stunting capability after demanded longer model design proved easy 52 Model Aviation P Left Close-up right fuselage showing details engine fuel tank pushrod installations Note tank extends fu selage Right MVVS 25cc diesel unifiow fuel tank venting modified Smith fuel tanks work efficiently Theyre among variety Veco-styie tanks available Generic Models Note fuel fliter must consistent engine runs Morrie Leventhal photos Full-Size Plans Available e Page 203 -F 1099IE7954 4~~~1 K 32 1I27 3 _____4N97 lT -mv4 mm 11 ID P82B TWIN MUSTANG WING SPAS 48 WING AREA 425 SQIN DESIGNED & DRAWN EAWEY EA3ITEE SHEET relatively inexpensive build its satisfying flier also looks authentic Sterling version would have Since two new MVVS 25cc 15size diesels waiting broken twin-engined model exactly right another motive too time quiet skeptics folks insist getting two diesels operate simultaneously just cant done took about half dozen flights break diesels usually would still running after first few laps worth effort engines well synchronized showed off Twin Mustangs capabilities 45-oz 425 sq-in model performs entire Stunt pattern easealthough because its high wing loading square corners little wider Id like P-82 also makes wonderful twinengine trainer Its versatile sport Stunter Diesel engines fired compression heat alone No glow plugs used engines can recognized T-bar adjusting screw head varies compression fuel ether-based highly volatile Since diesels tend have torque glow engines generally use larger props 9 x 6 size isnt uncommon 15-size engines Diesels get extremely good mileage sport 25cc engine will run over seven minutes two ounces fuel sea level much longer high altitude Wyoming 5000 ft altitude Ive June 1991 53 1j [7 [72 113 8910 Continued page 166 Looking model business end four-wheel landing gear gives excellent ground handling power off has proved its ruggedness Morrie Leventhal photo Flying outboard engine P-82 flies beautifully either engine shut down ouboard-engine flight espe cially impressive Morrie Leventhal photo can letter model 25•A B CDE ed n6wckee Pressure Sensitive Water Transfer maor decals 11 sizes 11 great colors L~iHEAST SCREEN GRAPHICS 21 FISHER AVE EAST LOROMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-7794~ Roy Scripps Scripps-Howard newspaper chain stepped forward last minute hired lake steamer Greater Buffalo put memorable affair After-dinner speakers usually prominent personalities gave inspirational messages banquet famed Marine speed aerobatic airman Al Williams showed himself polished communicator Roscoe Turner other hand just couldnt generate kind excitement podium no trouble stirring up whizzed around pylons As droned sweating unique uniform audience grew inattentive rude still experience some unease reflecting Roscoes faltering efforts interesting glorious days aviation modeling hobby becoming better known time general interest publications found model events newsworthy edition Detroit Times gave 1936 Nationals exceptional coverage copy yellow tattered Big beautiful pictures contestants models take up first two pages action picture Ben Shereshaws mammoth twin-boom gas-powered pusher model aloft dominates third shows model heading straight tall man portly woman woman fleeing fence house barn loom just beyond dont know turned out Academy way founded same year 1936 Its always possible Detroit Times picture influenced organizers think about flying site selection crowd control liability insurance key long-term issues P-82 Mustang/Baxter Continued page 53 two ounces last over 15 minutes start diesel engine simply adjust compression proper setting choke prime cylinder flip prop requires some practice soon develop feel must work needle valve setting compression adjustments concurrently get proper run Again practice makes perfect engine sounds though its laboring hard its probably overcompressed its burping like World War rotary engine its undercompressed Whether rich lean runs sound about same glow engine biggest problem twin diesels weight running gear MVVSs weigh 6 oz additional tank prop spinner bring entire gear load up 18 ounces Thats very heavy what basically 30-powered airplane two Fox 35s would T-50 UC-78 CESSNAAT have given same weight penalty course 35s require -in balsa fuselage larger fuel tanks theyd have weighed plane down still compensation Id have 70-poweru model Ive good luck MVVS diesels start quite easily give consistent runs lots power Thouj come two venturis crankcase pressure fitting Ive never use higher-power setups Ive use MVVSs 80-mph Combat models about 360 sq wing area witk same fuel tank setup P-82 ai turning 8 x 6 Taipan props theyll easil attain maximum speed use 81/2 x 61/2 Rev-Up props P-82 primarily because have several hand Theyve worked quite well since havent experimented anythii else have no idea whether theyre optimal Although sound little bi1 two engines work synergistically produce power 30 run pitch usual single engine gain power advantage twin setup other respects performance essentially like single engine MVVS diese available approximately $85 Carlson Engine Imports 814 East Marco Ave Phoenix AZ 85022 Continued page 1 Serious Horsepower1 0S. ST VS Rossi & Webra Parts Service Custom Engines Accessories Dave Shadel Performance Specialties 4/ $100for fully illustrated catalog Available YS Long & Short Stroke 05 Long Stroke OS 6IFSR 0S 40 VRP/VF 05 91 VRDF STX-40 Rossi 40 coming soon information Call 619 729-1658 Hours 10 am 5 pm Monday Thursday P 0 Box 4003 sbad CA 92008 166 Model Aviation AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and* Computer Designed3 Axis Control Reserve Grand Champion Ultralight* Part 103 UltralightEasy Construction 1989 Sun-N-Fun Fly-InWood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 lnis oia timer perfectly proportioned modeling Curtlss Rabin 049 Engines -Channel RIC 41 Wingspan Electric Power Optional 62255 0 cOO Very fee lull scale aircraft ideally suited Ic model flight ia appealing old Curtiss Robin born spruce uses age beautifully proportioned rubber electric glow engisee Esay end fun build trainer-like performance Flyline Models Catalog bOG PhOne 170312730033 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA P-82 Mustang/Baxter Continued page 166 Any engines o-25 range will power Twin Mustang abundantly went 35 size performance would much less forgiving engines quit multiengine flight pilot needs guard against minimum controllable airspeed Vmc low speed plane no longer controllable engine running full power speed allowed drop V03 engine will overpower rudder causing plane yaw uncontrollably usually snap roll inverted Logically enough powerful engines greater minimum controllable airspeedthat faster model will have traveling maintain stable single-engine flight Single-engine operation has quite successful 15-powered Mustang outboard engine model will loop dont exceed 45 degrees since lines get little slack after point Diving bit build up speed also helpful careful about keeping up airspeed Vmc can exceeded learned about doing loop outboard engine Mustang surprised half snap roll upright position cut across circle model actually flies better outboard engine inboard yaws out too much inboard engine slows down excessively other hand makes easier perform touch-and-go landings plane can brought landing taxied several laps slowed about 10 mph maintaining down elevator Controls can neutralized increase speed model can again lift off often mix own fuel following same formula used Red Max Fuel available FHS Supply Inc PO Box 9 239 Bethel Church Rd Clover SC 29710 Tel 800/222-7488 brew consists 35% ether 20% castor oil 2% amyl nitrate 43% kerosene Ive great luck recipe since began operating diesels 1959 shifting lead-outs vertical center-of-gravity wing dihedral keeps wings level both upright inverted flight contrast because lead-outs arent alignment center-of-gravity low-wing models tilt wings downward upright flight dihedral enhances scale appearance doesnt hinder aerobatic maneuverability used Hot Stuff UFO glue throughout Available Satellite City PO Box 836 Simi Valley CA 93062 product doesnt smell up place way CyA adhesives until hit kicker also works well foam Hot Stuff has relieved sinus problems quite bit Now its just balsa dust have contend Construction Its easiest begin creating kit parts prototype fuselage halves cut out 3/g x 4-in balsa planks An alternate joining line use 3-in stock shown plans Wing Cut right wing tip indicated plan Join right panel Lay lower spar plan assemble center wing section Sand angle leading trailing edges outboard panels shown plan front view Assemble panels over plan dont glue spar Use dihedral support raise tips inch gluing dihedral brace Glue dihedral brace leading edges glue leading trailing edges together Finish installing upper lower spars Keep piece make sure no warps wing spars will easily bend around slight curve dihedral break Install wing tips control system components Tie pushrods together keep flopping around youre working rest model Plank wing set Original EZ UP4 Sun Shelters 8x8 * Sturdy Steel Frames Heavy Duty Fade Resistant Nylon 1OX1O Canopies RedWhlte Blue 1O15 Sets Up less 60 Seconds No Ropes Nothing Assemble Authorized E-Z UP Corp Dealer * John Peck Leisure Products Ltd AA 3287 AMA 8580131 Ravonwood Road Other Sizes Colors AndVersaillesKY 40383 Accessories Available Plus1606 873-5172 Custom Logos Lettering e 170 Model Aviation 20 Years INSTANT SERVICE o FREE PRODUCT INFO TIP BOOK o FREE WHY INSTANT GLUES CLOG O FREE EASY-WAY FIBERGLASSING o VIDEO 2-56 MIN VHS ADD $1500 Check What YouId Like & SEND SELF-ADDRESSED STAMPED ENVELOPE Company Started P0 X 836 SIMI VALLEY CA 93062 aside Fuselage Make sure youve cut out both right side left Assemble balsa parts including doublers engine mounts Maintain solid doubler outboard side fuselage using plywood shims engine will prevent case extending through fuselage Dont install belly scoop point Assemble rudder attach fuselage Sand fuselage sides shape fair rudder Glue sides wing install stabilizer through slots fins Make sure everything square Hinge center flap elevator taking care keep glue out hinge line used standard nylon hinges pins Install control horns Connect pushrods Adjust travel equal amounts Up Down make sure flaps elevators neutral position together gave flaps about 20 degrees travel used 40 degrees elevator Though its subject much debate ratio works Additional flap travel could slow model its dreaded Vmc threshold Still youre welcome try different ratio 11 instance long dont tilt balance other direction allowed flap elevator travel youd courting disaster Install bottom scoop outboard fixed flaps Glue landing gear prepared holes notches rugged gear survived harsh finale unplanned half snap roll model slowed down too much outboard engine Covering finishing Give structure thorough sanding youre ready covering finishing covered prototype aluminum MonoKote painted Formula U Flight Silver sure silver clear-coated Otherwise its guaranteed come off make sorry mess used Black Baron clearthe second time around trim lines done tape extremely selective about covering materials youre using diesel power plastic iron-ons will shrivel up after few weeks exposure diesel fuel exhaust materials can recommend point MonoKote colored Micafilm Paint acceptable except aforementioned silverand stuff comes off no fuel around Wells Cargo Behind. Never Look Back WELLS CARGO Rolling Hanger like makes sense serious RC model pilot has dependable weather-proof transport has convenient safe storage Bird wings spare props radio gear organized ready go Buzzin anytime weatherman says OK Cloud Dancer unit 12 foot ToteWagon model Weve got Wells Cargo just right 6 feet up 3 YR LIMITED WARRANTY PROGRAM FACTORY SERVICE POINTS A TX UTAH US WIDE DEALER SERVICE NETWORK BALL HITCH TRAILERS 6-32 GOOSE NECKS 0 1-800-348-7553 FOR LITERATURE PRICES DEALER & PLANT LOCATIONS SINCE 1954LCARGJLS CARGO PO BOX 728-982ELKHART IN 465150728 prototype uses modified Smith fuel tanks uniflow venting available Generic Models 521 Jansen Ave San Dimas CA 91773 Generic makes variety Veco-style tanks standard uniflow venting Mounting tanks required moving stock plumbing clear fuselage Glue slots fuselage UFO uniflow venting vent submerged fuel vacuum builds up above fuel reduces head pressure tank As engine leans out model picks up speed air rammed tank Fuel head pressure fuel flow increase richening mixture slowing plane down Apparently theory sound because tanks work efficiently Check balance point center-ofgravity should either match shown plans within /2 forward Adjust balance necessary adding weight appropriate end prototype balanced added weight Flying Starting left engine first SAY YOU SAW IT IN MODEL AVIATION prevents getting hand running engine trying flip other prop Since airplane performs better outboard engine alone unaided inboard engine its no problem inboard engine quits first predictable flier P-82 does extremely well two enginesand iSs no surprises engine quits As noted earlier however airspeed becomes critical engine want single-engined aerobatics make sure youve built up enough speed complete given maneuver Novice fliers best attempt P-38 Mustang gives flexibility two planes Use learn characteristics twin-engine models move sheer exhilaration Control Line sport Stunting skip trainer step entirely enjoy model its full aerobatics capabilities choice yours responding advertisers mention read about Model Aviation June 1991 171 MODEL TW121 GO FLYING WITH COMPLETE ROLLING HANGER LIKE THIS PINSPATCHES Lutan ErnL/im Co CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539 Rubber ft Engine Power Free Flight Display Control Line Electric Power RJC Airplanes new illuetreted 32 page tabloId size cetelog US ft Canada *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanedale PA 19448 215- 368-0770 WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS - I Coolnn DasinnRANGER FIBERGLASS specializing ccston design ms/dingCampton NH RANGER FIBERGLASS CO has been Box 879 aerospace industry sinte 795903223
Edition: Model Aviation - 1991/06
Page Numbers: 51, 52, 53, 166, 170, 171
Big picture author preparing launch start diesel adjusts compression proper setting chokes primes cyl inder flips prop practice soon get feel whats right Above Adjusting compression twin MVVS 25cc 15size diesels Needle valve setting compression adjustments must worked concurrently get proper run Morrie Leventhai photos its twin 15 diesels dependable handling 45-oz 425sq-in version late-WW II twin Mustang gives double value building time Use trainer twin-engined flying go heady pleasures CL sport Stunt U Barry Baxter THIS DESIGN grew out desire try twin-engine semiscale CL sport Stunt model After narrowing down choices World War H P-series settled P-82 simply because its easier P-38 North American P-82 Twin Mustang developed near end World War II long-range escort fighter Pacific theater Intended missions up 12 hours long required second pilot Only outer wing panels canopies both P5lH interchangeable Mustang Although 500 P-82Bs ordered initially contract tenninated VJ-Day 20 machines completed Some original 20 however Twin Mustang flight line wing dihedral keeps wings level both upright inverted flight yet doesnt hinder acrobatic maneuverability Morn Leventhal photo June 1991 51 Full-Size Plans Available. See Page 203 [I - - 4 P82B TWIN MUSTANG NO SPAN 4B WINS AREA 425 SQ IN DESIGNED & DRAWN BARRY BAXTER SHEET S Al converted P-82C P-82D night fighters differentiated type radar pod installed below wing center section Packard Merlin engines used fall 1946 100 P-82E escort fighters ordered together 100 P-82Fs 50 P-82Gs night fighter variants Allison V-1710 engines changed power profile As planes Air Force fleet enough range operate out Japan P-82s saw service Korean War both fighters ground attack roles Another variant F-82 claimed first kill war June 27 1950 Removed operational service 1953 last piston-engined fighters Air Force total 374 planes produced P-82B 39 ft 1 long wingspan 51 ft 3 reached top speed 482 mph 25100 ft F-82 earnedand still holdsthe long-distance record piston-engined fighters flying Honolulu La Guardia Airport nonstop Originally intended build Twin Mustang easy way joining two Sterling P-Si kits few quick measurements however told Sterling kits smaller farther offscale wanted good Stunting capability after demanded longer model design proved easy 52 Model Aviation P Left Close-up right fuselage showing details engine fuel tank pushrod installations Note tank extends fu selage Right MVVS 25cc diesel unifiow fuel tank venting modified Smith fuel tanks work efficiently Theyre among variety Veco-styie tanks available Generic Models Note fuel fliter must consistent engine runs Morrie Leventhal photos Full-Size Plans Available e Page 203 -F 1099IE7954 4~~~1 K 32 1I27 3 _____4N97 lT -mv4 mm 11 ID P82B TWIN MUSTANG WING SPAS 48 WING AREA 425 SQIN DESIGNED & DRAWN EAWEY EA3ITEE SHEET relatively inexpensive build its satisfying flier also looks authentic Sterling version would have Since two new MVVS 25cc 15size diesels waiting broken twin-engined model exactly right another motive too time quiet skeptics folks insist getting two diesels operate simultaneously just cant done took about half dozen flights break diesels usually would still running after first few laps worth effort engines well synchronized showed off Twin Mustangs capabilities 45-oz 425 sq-in model performs entire Stunt pattern easealthough because its high wing loading square corners little wider Id like P-82 also makes wonderful twinengine trainer Its versatile sport Stunter Diesel engines fired compression heat alone No glow plugs used engines can recognized T-bar adjusting screw head varies compression fuel ether-based highly volatile Since diesels tend have torque glow engines generally use larger props 9 x 6 size isnt uncommon 15-size engines Diesels get extremely good mileage sport 25cc engine will run over seven minutes two ounces fuel sea level much longer high altitude Wyoming 5000 ft altitude Ive June 1991 53 1j [7 [72 113 8910 Continued page 166 Looking model business end four-wheel landing gear gives excellent ground handling power off has proved its ruggedness Morrie Leventhal photo Flying outboard engine P-82 flies beautifully either engine shut down ouboard-engine flight espe cially impressive Morrie Leventhal photo can letter model 25•A B CDE ed n6wckee Pressure Sensitive Water Transfer maor decals 11 sizes 11 great colors L~iHEAST SCREEN GRAPHICS 21 FISHER AVE EAST LOROMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-7794~ Roy Scripps Scripps-Howard newspaper chain stepped forward last minute hired lake steamer Greater Buffalo put memorable affair After-dinner speakers usually prominent personalities gave inspirational messages banquet famed Marine speed aerobatic airman Al Williams showed himself polished communicator Roscoe Turner other hand just couldnt generate kind excitement podium no trouble stirring up whizzed around pylons As droned sweating unique uniform audience grew inattentive rude still experience some unease reflecting Roscoes faltering efforts interesting glorious days aviation modeling hobby becoming better known time general interest publications found model events newsworthy edition Detroit Times gave 1936 Nationals exceptional coverage copy yellow tattered Big beautiful pictures contestants models take up first two pages action picture Ben Shereshaws mammoth twin-boom gas-powered pusher model aloft dominates third shows model heading straight tall man portly woman woman fleeing fence house barn loom just beyond dont know turned out Academy way founded same year 1936 Its always possible Detroit Times picture influenced organizers think about flying site selection crowd control liability insurance key long-term issues P-82 Mustang/Baxter Continued page 53 two ounces last over 15 minutes start diesel engine simply adjust compression proper setting choke prime cylinder flip prop requires some practice soon develop feel must work needle valve setting compression adjustments concurrently get proper run Again practice makes perfect engine sounds though its laboring hard its probably overcompressed its burping like World War rotary engine its undercompressed Whether rich lean runs sound about same glow engine biggest problem twin diesels weight running gear MVVSs weigh 6 oz additional tank prop spinner bring entire gear load up 18 ounces Thats very heavy what basically 30-powered airplane two Fox 35s would T-50 UC-78 CESSNAAT have given same weight penalty course 35s require -in balsa fuselage larger fuel tanks theyd have weighed plane down still compensation Id have 70-poweru model Ive good luck MVVS diesels start quite easily give consistent runs lots power Thouj come two venturis crankcase pressure fitting Ive never use higher-power setups Ive use MVVSs 80-mph Combat models about 360 sq wing area witk same fuel tank setup P-82 ai turning 8 x 6 Taipan props theyll easil attain maximum speed use 81/2 x 61/2 Rev-Up props P-82 primarily because have several hand Theyve worked quite well since havent experimented anythii else have no idea whether theyre optimal Although sound little bi1 two engines work synergistically produce power 30 run pitch usual single engine gain power advantage twin setup other respects performance essentially like single engine MVVS diese available approximately $85 Carlson Engine Imports 814 East Marco Ave Phoenix AZ 85022 Continued page 1 Serious Horsepower1 0S. ST VS Rossi & Webra Parts Service Custom Engines Accessories Dave Shadel Performance Specialties 4/ $100for fully illustrated catalog Available YS Long & Short Stroke 05 Long Stroke OS 6IFSR 0S 40 VRP/VF 05 91 VRDF STX-40 Rossi 40 coming soon information Call 619 729-1658 Hours 10 am 5 pm Monday Thursday P 0 Box 4003 sbad CA 92008 166 Model Aviation AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and* Computer Designed3 Axis Control Reserve Grand Champion Ultralight* Part 103 UltralightEasy Construction 1989 Sun-N-Fun Fly-InWood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 lnis oia timer perfectly proportioned modeling Curtlss Rabin 049 Engines -Channel RIC 41 Wingspan Electric Power Optional 62255 0 cOO Very fee lull scale aircraft ideally suited Ic model flight ia appealing old Curtiss Robin born spruce uses age beautifully proportioned rubber electric glow engisee Esay end fun build trainer-like performance Flyline Models Catalog bOG PhOne 170312730033 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA P-82 Mustang/Baxter Continued page 166 Any engines o-25 range will power Twin Mustang abundantly went 35 size performance would much less forgiving engines quit multiengine flight pilot needs guard against minimum controllable airspeed Vmc low speed plane no longer controllable engine running full power speed allowed drop V03 engine will overpower rudder causing plane yaw uncontrollably usually snap roll inverted Logically enough powerful engines greater minimum controllable airspeedthat faster model will have traveling maintain stable single-engine flight Single-engine operation has quite successful 15-powered Mustang outboard engine model will loop dont exceed 45 degrees since lines get little slack after point Diving bit build up speed also helpful careful about keeping up airspeed Vmc can exceeded learned about doing loop outboard engine Mustang surprised half snap roll upright position cut across circle model actually flies better outboard engine inboard yaws out too much inboard engine slows down excessively other hand makes easier perform touch-and-go landings plane can brought landing taxied several laps slowed about 10 mph maintaining down elevator Controls can neutralized increase speed model can again lift off often mix own fuel following same formula used Red Max Fuel available FHS Supply Inc PO Box 9 239 Bethel Church Rd Clover SC 29710 Tel 800/222-7488 brew consists 35% ether 20% castor oil 2% amyl nitrate 43% kerosene Ive great luck recipe since began operating diesels 1959 shifting lead-outs vertical center-of-gravity wing dihedral keeps wings level both upright inverted flight contrast because lead-outs arent alignment center-of-gravity low-wing models tilt wings downward upright flight dihedral enhances scale appearance doesnt hinder aerobatic maneuverability used Hot Stuff UFO glue throughout Available Satellite City PO Box 836 Simi Valley CA 93062 product doesnt smell up place way CyA adhesives until hit kicker also works well foam Hot Stuff has relieved sinus problems quite bit Now its just balsa dust have contend Construction Its easiest begin creating kit parts prototype fuselage halves cut out 3/g x 4-in balsa planks An alternate joining line use 3-in stock shown plans Wing Cut right wing tip indicated plan Join right panel Lay lower spar plan assemble center wing section Sand angle leading trailing edges outboard panels shown plan front view Assemble panels over plan dont glue spar Use dihedral support raise tips inch gluing dihedral brace Glue dihedral brace leading edges glue leading trailing edges together Finish installing upper lower spars Keep piece make sure no warps wing spars will easily bend around slight curve dihedral break Install wing tips control system components Tie pushrods together keep flopping around youre working rest model Plank wing set Original EZ UP4 Sun Shelters 8x8 * Sturdy Steel Frames Heavy Duty Fade Resistant Nylon 1OX1O Canopies RedWhlte Blue 1O15 Sets Up less 60 Seconds No Ropes Nothing Assemble Authorized E-Z UP Corp Dealer * John Peck Leisure Products Ltd AA 3287 AMA 8580131 Ravonwood Road Other Sizes Colors AndVersaillesKY 40383 Accessories Available Plus1606 873-5172 Custom Logos Lettering e 170 Model Aviation 20 Years INSTANT SERVICE o FREE PRODUCT INFO TIP BOOK o FREE WHY INSTANT GLUES CLOG O FREE EASY-WAY FIBERGLASSING o VIDEO 2-56 MIN VHS ADD $1500 Check What YouId Like & SEND SELF-ADDRESSED STAMPED ENVELOPE Company Started P0 X 836 SIMI VALLEY CA 93062 aside Fuselage Make sure youve cut out both right side left Assemble balsa parts including doublers engine mounts Maintain solid doubler outboard side fuselage using plywood shims engine will prevent case extending through fuselage Dont install belly scoop point Assemble rudder attach fuselage Sand fuselage sides shape fair rudder Glue sides wing install stabilizer through slots fins Make sure everything square Hinge center flap elevator taking care keep glue out hinge line used standard nylon hinges pins Install control horns Connect pushrods Adjust travel equal amounts Up Down make sure flaps elevators neutral position together gave flaps about 20 degrees travel used 40 degrees elevator Though its subject much debate ratio works Additional flap travel could slow model its dreaded Vmc threshold Still youre welcome try different ratio 11 instance long dont tilt balance other direction allowed flap elevator travel youd courting disaster Install bottom scoop outboard fixed flaps Glue landing gear prepared holes notches rugged gear survived harsh finale unplanned half snap roll model slowed down too much outboard engine Covering finishing Give structure thorough sanding youre ready covering finishing covered prototype aluminum MonoKote painted Formula U Flight Silver sure silver clear-coated Otherwise its guaranteed come off make sorry mess used Black Baron clearthe second time around trim lines done tape extremely selective about covering materials youre using diesel power plastic iron-ons will shrivel up after few weeks exposure diesel fuel exhaust materials can recommend point MonoKote colored Micafilm Paint acceptable except aforementioned silverand stuff comes off no fuel around Wells Cargo Behind. Never Look Back WELLS CARGO Rolling Hanger like makes sense serious RC model pilot has dependable weather-proof transport has convenient safe storage Bird wings spare props radio gear organized ready go Buzzin anytime weatherman says OK Cloud Dancer unit 12 foot ToteWagon model Weve got Wells Cargo just right 6 feet up 3 YR LIMITED WARRANTY PROGRAM FACTORY SERVICE POINTS A TX UTAH US WIDE DEALER SERVICE NETWORK BALL HITCH TRAILERS 6-32 GOOSE NECKS 0 1-800-348-7553 FOR LITERATURE PRICES DEALER & PLANT LOCATIONS SINCE 1954LCARGJLS CARGO PO BOX 728-982ELKHART IN 465150728 prototype uses modified Smith fuel tanks uniflow venting available Generic Models 521 Jansen Ave San Dimas CA 91773 Generic makes variety Veco-style tanks standard uniflow venting Mounting tanks required moving stock plumbing clear fuselage Glue slots fuselage UFO uniflow venting vent submerged fuel vacuum builds up above fuel reduces head pressure tank As engine leans out model picks up speed air rammed tank Fuel head pressure fuel flow increase richening mixture slowing plane down Apparently theory sound because tanks work efficiently Check balance point center-ofgravity should either match shown plans within /2 forward Adjust balance necessary adding weight appropriate end prototype balanced added weight Flying Starting left engine first SAY YOU SAW IT IN MODEL AVIATION prevents getting hand running engine trying flip other prop Since airplane performs better outboard engine alone unaided inboard engine its no problem inboard engine quits first predictable flier P-82 does extremely well two enginesand iSs no surprises engine quits As noted earlier however airspeed becomes critical engine want single-engined aerobatics make sure youve built up enough speed complete given maneuver Novice fliers best attempt P-38 Mustang gives flexibility two planes Use learn characteristics twin-engine models move sheer exhilaration Control Line sport Stunting skip trainer step entirely enjoy model its full aerobatics capabilities choice yours responding advertisers mention read about Model Aviation June 1991 171 MODEL TW121 GO FLYING WITH COMPLETE ROLLING HANGER LIKE THIS PINSPATCHES Lutan ErnL/im Co CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539 Rubber ft Engine Power Free Flight Display Control Line Electric Power RJC Airplanes new illuetreted 32 page tabloId size cetelog US ft Canada *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanedale PA 19448 215- 368-0770 WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS - I Coolnn DasinnRANGER FIBERGLASS specializing ccston design ms/dingCampton NH RANGER FIBERGLASS CO has been Box 879 aerospace industry sinte 795903223
Edition: Model Aviation - 1991/06
Page Numbers: 51, 52, 53, 166, 170, 171
Big picture author preparing launch start diesel adjusts compression proper setting chokes primes cyl inder flips prop practice soon get feel whats right Above Adjusting compression twin MVVS 25cc 15size diesels Needle valve setting compression adjustments must worked concurrently get proper run Morrie Leventhai photos its twin 15 diesels dependable handling 45-oz 425sq-in version late-WW II twin Mustang gives double value building time Use trainer twin-engined flying go heady pleasures CL sport Stunt U Barry Baxter THIS DESIGN grew out desire try twin-engine semiscale CL sport Stunt model After narrowing down choices World War H P-series settled P-82 simply because its easier P-38 North American P-82 Twin Mustang developed near end World War II long-range escort fighter Pacific theater Intended missions up 12 hours long required second pilot Only outer wing panels canopies both P5lH interchangeable Mustang Although 500 P-82Bs ordered initially contract tenninated VJ-Day 20 machines completed Some original 20 however Twin Mustang flight line wing dihedral keeps wings level both upright inverted flight yet doesnt hinder acrobatic maneuverability Morn Leventhal photo June 1991 51 Full-Size Plans Available. See Page 203 [I - - 4 P82B TWIN MUSTANG NO SPAN 4B WINS AREA 425 SQ IN DESIGNED & DRAWN BARRY BAXTER SHEET S Al converted P-82C P-82D night fighters differentiated type radar pod installed below wing center section Packard Merlin engines used fall 1946 100 P-82E escort fighters ordered together 100 P-82Fs 50 P-82Gs night fighter variants Allison V-1710 engines changed power profile As planes Air Force fleet enough range operate out Japan P-82s saw service Korean War both fighters ground attack roles Another variant F-82 claimed first kill war June 27 1950 Removed operational service 1953 last piston-engined fighters Air Force total 374 planes produced P-82B 39 ft 1 long wingspan 51 ft 3 reached top speed 482 mph 25100 ft F-82 earnedand still holdsthe long-distance record piston-engined fighters flying Honolulu La Guardia Airport nonstop Originally intended build Twin Mustang easy way joining two Sterling P-Si kits few quick measurements however told Sterling kits smaller farther offscale wanted good Stunting capability after demanded longer model design proved easy 52 Model Aviation P Left Close-up right fuselage showing details engine fuel tank pushrod installations Note tank extends fu selage Right MVVS 25cc diesel unifiow fuel tank venting modified Smith fuel tanks work efficiently Theyre among variety Veco-styie tanks available Generic Models Note fuel fliter must consistent engine runs Morrie Leventhal photos Full-Size Plans Available e Page 203 -F 1099IE7954 4~~~1 K 32 1I27 3 _____4N97 lT -mv4 mm 11 ID P82B TWIN MUSTANG WING SPAS 48 WING AREA 425 SQIN DESIGNED & DRAWN EAWEY EA3ITEE SHEET relatively inexpensive build its satisfying flier also looks authentic Sterling version would have Since two new MVVS 25cc 15size diesels waiting broken twin-engined model exactly right another motive too time quiet skeptics folks insist getting two diesels operate simultaneously just cant done took about half dozen flights break diesels usually would still running after first few laps worth effort engines well synchronized showed off Twin Mustangs capabilities 45-oz 425 sq-in model performs entire Stunt pattern easealthough because its high wing loading square corners little wider Id like P-82 also makes wonderful twinengine trainer Its versatile sport Stunter Diesel engines fired compression heat alone No glow plugs used engines can recognized T-bar adjusting screw head varies compression fuel ether-based highly volatile Since diesels tend have torque glow engines generally use larger props 9 x 6 size isnt uncommon 15-size engines Diesels get extremely good mileage sport 25cc engine will run over seven minutes two ounces fuel sea level much longer high altitude Wyoming 5000 ft altitude Ive June 1991 53 1j [7 [72 113 8910 Continued page 166 Looking model business end four-wheel landing gear gives excellent ground handling power off has proved its ruggedness Morrie Leventhal photo Flying outboard engine P-82 flies beautifully either engine shut down ouboard-engine flight espe cially impressive Morrie Leventhal photo can letter model 25•A B CDE ed n6wckee Pressure Sensitive Water Transfer maor decals 11 sizes 11 great colors L~iHEAST SCREEN GRAPHICS 21 FISHER AVE EAST LOROMEADOW MA 01028 TEL 413-525-4110 FAX 413-525-7794~ Roy Scripps Scripps-Howard newspaper chain stepped forward last minute hired lake steamer Greater Buffalo put memorable affair After-dinner speakers usually prominent personalities gave inspirational messages banquet famed Marine speed aerobatic airman Al Williams showed himself polished communicator Roscoe Turner other hand just couldnt generate kind excitement podium no trouble stirring up whizzed around pylons As droned sweating unique uniform audience grew inattentive rude still experience some unease reflecting Roscoes faltering efforts interesting glorious days aviation modeling hobby becoming better known time general interest publications found model events newsworthy edition Detroit Times gave 1936 Nationals exceptional coverage copy yellow tattered Big beautiful pictures contestants models take up first two pages action picture Ben Shereshaws mammoth twin-boom gas-powered pusher model aloft dominates third shows model heading straight tall man portly woman woman fleeing fence house barn loom just beyond dont know turned out Academy way founded same year 1936 Its always possible Detroit Times picture influenced organizers think about flying site selection crowd control liability insurance key long-term issues P-82 Mustang/Baxter Continued page 53 two ounces last over 15 minutes start diesel engine simply adjust compression proper setting choke prime cylinder flip prop requires some practice soon develop feel must work needle valve setting compression adjustments concurrently get proper run Again practice makes perfect engine sounds though its laboring hard its probably overcompressed its burping like World War rotary engine its undercompressed Whether rich lean runs sound about same glow engine biggest problem twin diesels weight running gear MVVSs weigh 6 oz additional tank prop spinner bring entire gear load up 18 ounces Thats very heavy what basically 30-powered airplane two Fox 35s would T-50 UC-78 CESSNAAT have given same weight penalty course 35s require -in balsa fuselage larger fuel tanks theyd have weighed plane down still compensation Id have 70-poweru model Ive good luck MVVS diesels start quite easily give consistent runs lots power Thouj come two venturis crankcase pressure fitting Ive never use higher-power setups Ive use MVVSs 80-mph Combat models about 360 sq wing area witk same fuel tank setup P-82 ai turning 8 x 6 Taipan props theyll easil attain maximum speed use 81/2 x 61/2 Rev-Up props P-82 primarily because have several hand Theyve worked quite well since havent experimented anythii else have no idea whether theyre optimal Although sound little bi1 two engines work synergistically produce power 30 run pitch usual single engine gain power advantage twin setup other respects performance essentially like single engine MVVS diese available approximately $85 Carlson Engine Imports 814 East Marco Ave Phoenix AZ 85022 Continued page 1 Serious Horsepower1 0S. ST VS Rossi & Webra Parts Service Custom Engines Accessories Dave Shadel Performance Specialties 4/ $100for fully illustrated catalog Available YS Long & Short Stroke 05 Long Stroke OS 6IFSR 0S 40 VRP/VF 05 91 VRDF STX-40 Rossi 40 coming soon information Call 619 729-1658 Hours 10 am 5 pm Monday Thursday P 0 Box 4003 sbad CA 92008 166 Model Aviation AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and* Computer Designed3 Axis Control Reserve Grand Champion Ultralight* Part 103 UltralightEasy Construction 1989 Sun-N-Fun Fly-InWood Construction TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 lnis oia timer perfectly proportioned modeling Curtlss Rabin 049 Engines -Channel RIC 41 Wingspan Electric Power Optional 62255 0 cOO Very fee lull scale aircraft ideally suited Ic model flight ia appealing old Curtiss Robin born spruce uses age beautifully proportioned rubber electric glow engisee Esay end fun build trainer-like performance Flyline Models Catalog bOG PhOne 170312730033 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA P-82 Mustang/Baxter Continued page 166 Any engines o-25 range will power Twin Mustang abundantly went 35 size performance would much less forgiving engines quit multiengine flight pilot needs guard against minimum controllable airspeed Vmc low speed plane no longer controllable engine running full power speed allowed drop V03 engine will overpower rudder causing plane yaw uncontrollably usually snap roll inverted Logically enough powerful engines greater minimum controllable airspeedthat faster model will have traveling maintain stable single-engine flight Single-engine operation has quite successful 15-powered Mustang outboard engine model will loop dont exceed 45 degrees since lines get little slack after point Diving bit build up speed also helpful careful about keeping up airspeed Vmc can exceeded learned about doing loop outboard engine Mustang surprised half snap roll upright position cut across circle model actually flies better outboard engine inboard yaws out too much inboard engine slows down excessively other hand makes easier perform touch-and-go landings plane can brought landing taxied several laps slowed about 10 mph maintaining down elevator Controls can neutralized increase speed model can again lift off often mix own fuel following same formula used Red Max Fuel available FHS Supply Inc PO Box 9 239 Bethel Church Rd Clover SC 29710 Tel 800/222-7488 brew consists 35% ether 20% castor oil 2% amyl nitrate 43% kerosene Ive great luck recipe since began operating diesels 1959 shifting lead-outs vertical center-of-gravity wing dihedral keeps wings level both upright inverted flight contrast because lead-outs arent alignment center-of-gravity low-wing models tilt wings downward upright flight dihedral enhances scale appearance doesnt hinder aerobatic maneuverability used Hot Stuff UFO glue throughout Available Satellite City PO Box 836 Simi Valley CA 93062 product doesnt smell up place way CyA adhesives until hit kicker also works well foam Hot Stuff has relieved sinus problems quite bit Now its just balsa dust have contend Construction Its easiest begin creating kit parts prototype fuselage halves cut out 3/g x 4-in balsa planks An alternate joining line use 3-in stock shown plans Wing Cut right wing tip indicated plan Join right panel Lay lower spar plan assemble center wing section Sand angle leading trailing edges outboard panels shown plan front view Assemble panels over plan dont glue spar Use dihedral support raise tips inch gluing dihedral brace Glue dihedral brace leading edges glue leading trailing edges together Finish installing upper lower spars Keep piece make sure no warps wing spars will easily bend around slight curve dihedral break Install wing tips control system components Tie pushrods together keep flopping around youre working rest model Plank wing set Original EZ UP4 Sun Shelters 8x8 * Sturdy Steel Frames Heavy Duty Fade Resistant Nylon 1OX1O Canopies RedWhlte Blue 1O15 Sets Up less 60 Seconds No Ropes Nothing Assemble Authorized E-Z UP Corp Dealer * John Peck Leisure Products Ltd AA 3287 AMA 8580131 Ravonwood Road Other Sizes Colors AndVersaillesKY 40383 Accessories Available Plus1606 873-5172 Custom Logos Lettering e 170 Model Aviation 20 Years INSTANT SERVICE o FREE PRODUCT INFO TIP BOOK o FREE WHY INSTANT GLUES CLOG O FREE EASY-WAY FIBERGLASSING o VIDEO 2-56 MIN VHS ADD $1500 Check What YouId Like & SEND SELF-ADDRESSED STAMPED ENVELOPE Company Started P0 X 836 SIMI VALLEY CA 93062 aside Fuselage Make sure youve cut out both right side left Assemble balsa parts including doublers engine mounts Maintain solid doubler outboard side fuselage using plywood shims engine will prevent case extending through fuselage Dont install belly scoop point Assemble rudder attach fuselage Sand fuselage sides shape fair rudder Glue sides wing install stabilizer through slots fins Make sure everything square Hinge center flap elevator taking care keep glue out hinge line used standard nylon hinges pins Install control horns Connect pushrods Adjust travel equal amounts Up Down make sure flaps elevators neutral position together gave flaps about 20 degrees travel used 40 degrees elevator Though its subject much debate ratio works Additional flap travel could slow model its dreaded Vmc threshold Still youre welcome try different ratio 11 instance long dont tilt balance other direction allowed flap elevator travel youd courting disaster Install bottom scoop outboard fixed flaps Glue landing gear prepared holes notches rugged gear survived harsh finale unplanned half snap roll model slowed down too much outboard engine Covering finishing Give structure thorough sanding youre ready covering finishing covered prototype aluminum MonoKote painted Formula U Flight Silver sure silver clear-coated Otherwise its guaranteed come off make sorry mess used Black Baron clearthe second time around trim lines done tape extremely selective about covering materials youre using diesel power plastic iron-ons will shrivel up after few weeks exposure diesel fuel exhaust materials can recommend point MonoKote colored Micafilm Paint acceptable except aforementioned silverand stuff comes off no fuel around Wells Cargo Behind. Never Look Back WELLS CARGO Rolling Hanger like makes sense serious RC model pilot has dependable weather-proof transport has convenient safe storage Bird wings spare props radio gear organized ready go Buzzin anytime weatherman says OK Cloud Dancer unit 12 foot ToteWagon model Weve got Wells Cargo just right 6 feet up 3 YR LIMITED WARRANTY PROGRAM FACTORY SERVICE POINTS A TX UTAH US WIDE DEALER SERVICE NETWORK BALL HITCH TRAILERS 6-32 GOOSE NECKS 0 1-800-348-7553 FOR LITERATURE PRICES DEALER & PLANT LOCATIONS SINCE 1954LCARGJLS CARGO PO BOX 728-982ELKHART IN 465150728 prototype uses modified Smith fuel tanks uniflow venting available Generic Models 521 Jansen Ave San Dimas CA 91773 Generic makes variety Veco-style tanks standard uniflow venting Mounting tanks required moving stock plumbing clear fuselage Glue slots fuselage UFO uniflow venting vent submerged fuel vacuum builds up above fuel reduces head pressure tank As engine leans out model picks up speed air rammed tank Fuel head pressure fuel flow increase richening mixture slowing plane down Apparently theory sound because tanks work efficiently Check balance point center-ofgravity should either match shown plans within /2 forward Adjust balance necessary adding weight appropriate end prototype balanced added weight Flying Starting left engine first SAY YOU SAW IT IN MODEL AVIATION prevents getting hand running engine trying flip other prop Since airplane performs better outboard engine alone unaided inboard engine its no problem inboard engine quits first predictable flier P-82 does extremely well two enginesand iSs no surprises engine quits As noted earlier however airspeed becomes critical engine want single-engined aerobatics make sure youve built up enough speed complete given maneuver Novice fliers best attempt P-38 Mustang gives flexibility two planes Use learn characteristics twin-engine models move sheer exhilaration Control Line sport Stunting skip trainer step entirely enjoy model its full aerobatics capabilities choice yours responding advertisers mention read about Model Aviation June 1991 171 MODEL TW121 GO FLYING WITH COMPLETE ROLLING HANGER LIKE THIS PINSPATCHES Lutan ErnL/im Co CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539 Rubber ft Engine Power Free Flight Display Control Line Electric Power RJC Airplanes new illuetreted 32 page tabloId size cetelog US ft Canada *100 Forelgh *300 Penn Valley Hobby Center 837-A W Main St Lanedale PA 19448 215- 368-0770 WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS - I Coolnn DasinnRANGER FIBERGLASS specializing ccston design ms/dingCampton NH RANGER FIBERGLASS CO has been Box 879 aerospace industry sinte 795903223