Contml Line Combat Charlie Johnson DARE mention pro posal another Combat event basic proposal made Combat legend Riley Wooten mainly event local level planes would limited reasonable size like 360 sq minimum weight plus few other basic restrictions engines would also limited design like Fox 35 Stunt stock form could run bladder-type fuel system Think about early Sixties Voodoo Sneeker models powered rather tame engines Also think about people used fly back days percentage fliers could actually keep up model Riley indicated could possibly kit such universal model would greatbut Doc Passen suggest ed slight modification Call event Goldberg Wooten/Fox Event use Goldberg Voodoo designed Riley Wooten power Fox Wooten Goldberg Fox have made great contributions model ingand especially Combatso way event would tribute clubs have already tried varia tions universal model/engine idea have good results Racing folks have good success large numbers entrants using Fox engine Goldberg Shoestring series rac ing planes tried Voodoo plane suc tion non-Schnuerle engine think bladder pacifier much easier use cheaper consistent wing-type model cheaper build crash-resistant Slow Combat-type planes Built reasonable dimensions also easy transport Max uoyas iast omat model real giant its Hoffeit 36R engine hauls its n6ar-600 sq through maneuvers ease Note wing thick enough put fuei biadder behind spar buiiders put ahead spar Small photo right shows crafts built-up tailclaimed lighter stronger better-performing hope wont destroyed such alarming rate least local regional level event could substituted four official events event everyone flies rather four limited entry Also theres type model build rather four sepa rate types sort single-machine event can found other forms sport such motorcycle racing have 500cc Interceptor Race auto racing Le Car Alliance series event pilot skill rather trick design better pilot should still win need edge equipment win match maybe really arent best pilot right No need wait National rules unless want wait enough interest build influence Riley produce national model last thought before going onand whether its necessary have size weight restrictions wing loading would suffice 360-sq-in model weighs 20 ounces better choice 540 squares weighs 30 ounces would seem limited amount power available lightest would best us have never built light model lives hope minimum weightlike about 24 ounces figure can meet Going opposite direction slow simple another idea up displacement 36 40 local level used nothing K&B 40s old days contest time rolled around put Supertigre 35s model displacement-legal K&B much forgiving engine started very easily ran horribly contaminated fuel would have stopped Tigre its tracks made about same power Tigre torque dragging around overweight modelsand rarely broke Tigre could made start run very well broke time have giant coffee can full cranks rods bearings other miscel laneous parts Until latest Foxes S-36 Tigre came along suffered through lot broken-motor blues Tradition said used 36s used something less best available Dont let anyone convince 36 makes much power 40 highly-tuned Fox 36 will make Continued page 153 66 Model Aviation in-flight still photoS Combat models almost impossible getbesides its tun seeing some shenanigans going center circle Bearded Rich Lopez gives Howard Rush old elbow treatment L during recent meet LAs Whittier Narrows site Max Boyd Fresno CA has good grip arm LA-area flier Hulan Matthies R Look lines good tangle OTS TS RIOR TS T. THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4 Scale14951/6AAF1195 1/5 Scale1295Plus 1/12 Scale895$250shipping 1/12Chopper 895each figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 no binding takes place throughout operating range belicrank leadouts shown purposely two attached bellcrank method making leadout terminations have used successfully years could shown As can see offset put solid piano wire carefully bent form loop has inside radius about A6 leadout threaded onto belicrank offset facing up small piece copper brass tubing moved place properly soldered soldering tubing place sure wire clean solder applied end tubing flows through other end wire used 046-in diameter chosen two basic reasons First largest size bellcrank holes would accept drilling Secondly size fits rule own generally follow mak ing up models control systems leadout size should about twice size lines required fly model competition practice provides large margin safety pull-testing control system wear second photo shows platform epoxied place bellcrank mount ed after leadouts threaded through holes wing ribs Note notched portion bellcrank platform fits around slotted center rib no way pull-test models flying stresses can pull platform loose Also note A-in balsa strips epox ied against main spar both top bot tom platform additional support now leads us last photo see motor elevator con trol rods/cables place As stated early part column desirable keep wheel well area free thing connected landing gear operation Therefore necessary install intermediate belicrank about 450 angle shown motor control cable could run along wings upper skin surface As can also see elevator pushrod run under angled bracket holds motor con trol bellcrank note caution making up systems composed several components essential its operation abso lutely smooth free binding test system smooth operation simply push pull third control line binding discovered make effort discover make appropriate adjustments elim inate design control system strength ease operation should trouble-free life model time probably wonder ing what servo doing picture Control Line bellcrank system Well have joined ranks using Encoder-Decoder systems con trolling flaps landing gear retraction bomb drop etc CL planes system am using put together some help folks Ace R/C Inc will talking about future columns Send ideas photos building tos etc CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Combat/Johnson Continued page 66 power old-style K&B 40 design equal Fox except having 40 displacement will make proportionally greater power 36 Now incredible speeds being obtained some top tuners using 36 engines would wonder anyone would want go faster argument can think us could go faster easily Whats difference between 120 mph 130 mph youre having fun may engine-availability problem future some desirable engines still lot 36s left Another alternative increase displacement would decrease 35cc 21 cu size 36 could compete against 40 P0 Box 279CU Park Falls WI 54552 U Proudly Presents 0 CHAMPION FF KITS Wake-Up Wakefield $4295 Champion Coupe $2450 Upshot Mulvihill. $2295 CHAMPION RUBBER 1/8 3/16 & 1/4 widths 042 thick $1150/lb Box* CATALOG $100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714 599-3348 * incluxe US deli ry via UPS Calif residents ada 6% sees tax DUAL PERSONAUTY TRAINER GEMINIS BEAUTIFUL SUPER CHAMP W S 54 20 35 ENGINES 3 CHANNEL THE BEGINNERS KITTEN AND EXPERTS TIGER Revolutionary snap-on wing ellmliiates bolts rubber bands Complete kit $5495 dealer direct GEMINI MODELS INC PO Bee 1168 Passere NJ 07055 July1985 153 Ill ALE RhITROL MODEL 62 SP.. F... 45 CHANNEL RIC First Series Iof Great Flying Canards RIC Modeler ELECTEC EASEl & SAILPLANE SPECIALISTS 1981 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES FREE DEMONSTRATION FLIGHTS CiECK OUT AND/OR TEST FLIGHTS OF yOUR NEW PLANES CALL OR WRITE FOR FREE DESCRIPTIVE FLYER UPS 000 FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC OLDTIMER SPORT SCALE ERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEATURING ONLY STATE OF ThE ART ITEMS 0 r r U U S C 1 2 SI S C 2 slight disadvantage proposal would obsolete 36 far Competition use goes Availability lighter weight less power slowing down models usually cited reasons such change Any engine/model changes really affect less hundred national regional competitors no need worry local level can anything want long two can agree talked Jed Kusik other day before left new job working Henry Nelson Henrys engine busi ness has really turned big time Dont wait until week before Nation als Team Trials order engines though have orders hun dreds Chinese other people around world Henry wont sneer two-engine order will put line rest Jed said hes spent time doing work engines sent repair backlog should have cleared long before read Hes also sembling testing unit must meet very high standard before shipped theyre closely scrutinized find out theyre performing Jed said positioning liner case very critical tiny amount misalignment causes large drop power youre engine dis assembly opportunity should careful about liner positioning Head clearance also other major factor Most people run head down tighter until start popping plugs run up few thousandths Overcompressing seems major problems engines dont run up par Before complain about engine sure test-run very strong test bench see performs Loose mounts ones distort case tightened will kill performance engine regardless care taken manufacture can take several people World Championships saw engines pick up couple thou sand rpm run Henrys test bench Besides usual 140 mph models report other useful item Zinger 8A 6 prop think too small Fast Slow Com bat model works great turns full streamer thats really measure good prop props widely available cheaper lot other ones market Remem ber test props using full competi tion streamer both level flight through series maneuvers Heres what youve waiting MACA Top Twenty 1984 1 Larry Driskill Points 195 BOX 429SKTLANU N U NEWSPACESA FUEL CONTAINER RtInhwx 2x73IShIuhxq-l/8 Tough RIgId P*tbyhm IuchidesAITu1kg PI $1 stqe Fustners IwI 11kg though Cop North Products PO Box 18419 Cleveland Heights OH 44118 SOAR throUgh right own living room 2-hour psycho -sensual helicopter exploration Breathtaking music Critically acclaimed Details FREE VHSor BETA J5238 Beerger ProdutInn 3217 ArvilIe Las 2 Tom Fluker 3 Richard Stubblefield 4 Paul Smith 5 Chris Gay 6 Steve Kott 7 PeteAthans 8 Jerry Sabin 9 Don Cranfil 10 Bud Bodzioch 11 Al Jorgensen 12 Gary Bycrely Joe McKenzie 14 Phil Cartier 15 Bill Lajack 16 Ron Malcolm 17 Jeff Johnson 18 John Salvin III 19 Ed Brzys Don Holbrook 191 164 121 120 114 99 93 72 66 61 55 55 54 50 47 46 45 43 43 Charlie Johnson 3716 Ingraham San Diego CA 92109 St CL Navy Carrier/Perry Continued page 67 Bob Heywood Monty Greenly Ber nard Klien May mystery aircraft Miles M 38 Messenger An unlikely carrier air craft originally designed other 154 Model Aviation * SCALE DOCUMENTATION * SCALE DRAWINGSMODEL PLANS PHOTOS w BOOKS EPLA-TECH 1985 INTERNATIONAL AIRPLANE CATALOG oo MC KENZIE HWY $300VIDA OREGON 97488 OVALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquirleaCalalog 5O invited BLUE RIDGE MODELS. 28776 E U -a -a U -l 0 21 0 2 0 U S SUPER SALE Us 1W Id SiP y dy d y dd ffsd Th sat f hb hp R bh d hy pftsI Odush lAg .h-S k d 1 a.. AImy haIh d . douR SS h Sq. SiAN Jod II I3 h 4 a .ii hft y. ho ...d odoht Ad oogh. .fl R 0* S .gbhaSS9OS oy4hoINA adh 5p14s ETA VIII oho ddq CotIIhd dud. .oy .d * U COD VideoTech PO Box 1917-30086 Stone Mt. GA 30086 tmc GOLDEN GATE IsaE5 YS60$14816 YS 45$9685 ATLANTA$22275 OMEGA$20588 SIGMA$24550 ACRO STAR$16315 QUATRO4O$15061 EXCEED4O$15188 MK RETRACTS$4183 TETTRA WHEELS$513 DIGICON HORNS$105 IM SERVO MTS$164 PULL-PULL HDWR$346 PULL-PULL HORN$ 74 SEE OUR PRODUCTS AT ALAMEDA HOBBY 415 523-3980 SAN ANTONIO HOBBY 415 9411278 SEND $1 FOR CATALOG PO Box 4412 Burlingame CA 94010 TEL 415 467-3170
Edition: Model Aviation - 1985/07
Page Numbers: 66, 153, 154
Contml Line Combat Charlie Johnson DARE mention pro posal another Combat event basic proposal made Combat legend Riley Wooten mainly event local level planes would limited reasonable size like 360 sq minimum weight plus few other basic restrictions engines would also limited design like Fox 35 Stunt stock form could run bladder-type fuel system Think about early Sixties Voodoo Sneeker models powered rather tame engines Also think about people used fly back days percentage fliers could actually keep up model Riley indicated could possibly kit such universal model would greatbut Doc Passen suggest ed slight modification Call event Goldberg Wooten/Fox Event use Goldberg Voodoo designed Riley Wooten power Fox Wooten Goldberg Fox have made great contributions model ingand especially Combatso way event would tribute clubs have already tried varia tions universal model/engine idea have good results Racing folks have good success large numbers entrants using Fox engine Goldberg Shoestring series rac ing planes tried Voodoo plane suc tion non-Schnuerle engine think bladder pacifier much easier use cheaper consistent wing-type model cheaper build crash-resistant Slow Combat-type planes Built reasonable dimensions also easy transport Max uoyas iast omat model real giant its Hoffeit 36R engine hauls its n6ar-600 sq through maneuvers ease Note wing thick enough put fuei biadder behind spar buiiders put ahead spar Small photo right shows crafts built-up tailclaimed lighter stronger better-performing hope wont destroyed such alarming rate least local regional level event could substituted four official events event everyone flies rather four limited entry Also theres type model build rather four sepa rate types sort single-machine event can found other forms sport such motorcycle racing have 500cc Interceptor Race auto racing Le Car Alliance series event pilot skill rather trick design better pilot should still win need edge equipment win match maybe really arent best pilot right No need wait National rules unless want wait enough interest build influence Riley produce national model last thought before going onand whether its necessary have size weight restrictions wing loading would suffice 360-sq-in model weighs 20 ounces better choice 540 squares weighs 30 ounces would seem limited amount power available lightest would best us have never built light model lives hope minimum weightlike about 24 ounces figure can meet Going opposite direction slow simple another idea up displacement 36 40 local level used nothing K&B 40s old days contest time rolled around put Supertigre 35s model displacement-legal K&B much forgiving engine started very easily ran horribly contaminated fuel would have stopped Tigre its tracks made about same power Tigre torque dragging around overweight modelsand rarely broke Tigre could made start run very well broke time have giant coffee can full cranks rods bearings other miscel laneous parts Until latest Foxes S-36 Tigre came along suffered through lot broken-motor blues Tradition said used 36s used something less best available Dont let anyone convince 36 makes much power 40 highly-tuned Fox 36 will make Continued page 153 66 Model Aviation in-flight still photoS Combat models almost impossible getbesides its tun seeing some shenanigans going center circle Bearded Rich Lopez gives Howard Rush old elbow treatment L during recent meet LAs Whittier Narrows site Max Boyd Fresno CA has good grip arm LA-area flier Hulan Matthies R Look lines good tangle OTS TS RIOR TS T. THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4 Scale14951/6AAF1195 1/5 Scale1295Plus 1/12 Scale895$250shipping 1/12Chopper 895each figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 no binding takes place throughout operating range belicrank leadouts shown purposely two attached bellcrank method making leadout terminations have used successfully years could shown As can see offset put solid piano wire carefully bent form loop has inside radius about A6 leadout threaded onto belicrank offset facing up small piece copper brass tubing moved place properly soldered soldering tubing place sure wire clean solder applied end tubing flows through other end wire used 046-in diameter chosen two basic reasons First largest size bellcrank holes would accept drilling Secondly size fits rule own generally follow mak ing up models control systems leadout size should about twice size lines required fly model competition practice provides large margin safety pull-testing control system wear second photo shows platform epoxied place bellcrank mount ed after leadouts threaded through holes wing ribs Note notched portion bellcrank platform fits around slotted center rib no way pull-test models flying stresses can pull platform loose Also note A-in balsa strips epox ied against main spar both top bot tom platform additional support now leads us last photo see motor elevator con trol rods/cables place As stated early part column desirable keep wheel well area free thing connected landing gear operation Therefore necessary install intermediate belicrank about 450 angle shown motor control cable could run along wings upper skin surface As can also see elevator pushrod run under angled bracket holds motor con trol bellcrank note caution making up systems composed several components essential its operation abso lutely smooth free binding test system smooth operation simply push pull third control line binding discovered make effort discover make appropriate adjustments elim inate design control system strength ease operation should trouble-free life model time probably wonder ing what servo doing picture Control Line bellcrank system Well have joined ranks using Encoder-Decoder systems con trolling flaps landing gear retraction bomb drop etc CL planes system am using put together some help folks Ace R/C Inc will talking about future columns Send ideas photos building tos etc CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Combat/Johnson Continued page 66 power old-style K&B 40 design equal Fox except having 40 displacement will make proportionally greater power 36 Now incredible speeds being obtained some top tuners using 36 engines would wonder anyone would want go faster argument can think us could go faster easily Whats difference between 120 mph 130 mph youre having fun may engine-availability problem future some desirable engines still lot 36s left Another alternative increase displacement would decrease 35cc 21 cu size 36 could compete against 40 P0 Box 279CU Park Falls WI 54552 U Proudly Presents 0 CHAMPION FF KITS Wake-Up Wakefield $4295 Champion Coupe $2450 Upshot Mulvihill. $2295 CHAMPION RUBBER 1/8 3/16 & 1/4 widths 042 thick $1150/lb Box* CATALOG $100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714 599-3348 * incluxe US deli ry via UPS Calif residents ada 6% sees tax DUAL PERSONAUTY TRAINER GEMINIS BEAUTIFUL SUPER CHAMP W S 54 20 35 ENGINES 3 CHANNEL THE BEGINNERS KITTEN AND EXPERTS TIGER Revolutionary snap-on wing ellmliiates bolts rubber bands Complete kit $5495 dealer direct GEMINI MODELS INC PO Bee 1168 Passere NJ 07055 July1985 153 Ill ALE RhITROL MODEL 62 SP.. F... 45 CHANNEL RIC First Series Iof Great Flying Canards RIC Modeler ELECTEC EASEl & SAILPLANE SPECIALISTS 1981 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES FREE DEMONSTRATION FLIGHTS CiECK OUT AND/OR TEST FLIGHTS OF yOUR NEW PLANES CALL OR WRITE FOR FREE DESCRIPTIVE FLYER UPS 000 FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC OLDTIMER SPORT SCALE ERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEATURING ONLY STATE OF ThE ART ITEMS 0 r r U U S C 1 2 SI S C 2 slight disadvantage proposal would obsolete 36 far Competition use goes Availability lighter weight less power slowing down models usually cited reasons such change Any engine/model changes really affect less hundred national regional competitors no need worry local level can anything want long two can agree talked Jed Kusik other day before left new job working Henry Nelson Henrys engine busi ness has really turned big time Dont wait until week before Nation als Team Trials order engines though have orders hun dreds Chinese other people around world Henry wont sneer two-engine order will put line rest Jed said hes spent time doing work engines sent repair backlog should have cleared long before read Hes also sembling testing unit must meet very high standard before shipped theyre closely scrutinized find out theyre performing Jed said positioning liner case very critical tiny amount misalignment causes large drop power youre engine dis assembly opportunity should careful about liner positioning Head clearance also other major factor Most people run head down tighter until start popping plugs run up few thousandths Overcompressing seems major problems engines dont run up par Before complain about engine sure test-run very strong test bench see performs Loose mounts ones distort case tightened will kill performance engine regardless care taken manufacture can take several people World Championships saw engines pick up couple thou sand rpm run Henrys test bench Besides usual 140 mph models report other useful item Zinger 8A 6 prop think too small Fast Slow Com bat model works great turns full streamer thats really measure good prop props widely available cheaper lot other ones market Remem ber test props using full competi tion streamer both level flight through series maneuvers Heres what youve waiting MACA Top Twenty 1984 1 Larry Driskill Points 195 BOX 429SKTLANU N U NEWSPACESA FUEL CONTAINER RtInhwx 2x73IShIuhxq-l/8 Tough RIgId P*tbyhm IuchidesAITu1kg PI $1 stqe Fustners IwI 11kg though Cop North Products PO Box 18419 Cleveland Heights OH 44118 SOAR throUgh right own living room 2-hour psycho -sensual helicopter exploration Breathtaking music Critically acclaimed Details FREE VHSor BETA J5238 Beerger ProdutInn 3217 ArvilIe Las 2 Tom Fluker 3 Richard Stubblefield 4 Paul Smith 5 Chris Gay 6 Steve Kott 7 PeteAthans 8 Jerry Sabin 9 Don Cranfil 10 Bud Bodzioch 11 Al Jorgensen 12 Gary Bycrely Joe McKenzie 14 Phil Cartier 15 Bill Lajack 16 Ron Malcolm 17 Jeff Johnson 18 John Salvin III 19 Ed Brzys Don Holbrook 191 164 121 120 114 99 93 72 66 61 55 55 54 50 47 46 45 43 43 Charlie Johnson 3716 Ingraham San Diego CA 92109 St CL Navy Carrier/Perry Continued page 67 Bob Heywood Monty Greenly Ber nard Klien May mystery aircraft Miles M 38 Messenger An unlikely carrier air craft originally designed other 154 Model Aviation * SCALE DOCUMENTATION * SCALE DRAWINGSMODEL PLANS PHOTOS w BOOKS EPLA-TECH 1985 INTERNATIONAL AIRPLANE CATALOG oo MC KENZIE HWY $300VIDA OREGON 97488 OVALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquirleaCalalog 5O invited BLUE RIDGE MODELS. 28776 E U -a -a U -l 0 21 0 2 0 U S SUPER SALE Us 1W Id SiP y dy d y dd ffsd Th sat f hb hp R bh d hy pftsI Odush lAg .h-S k d 1 a.. AImy haIh d . douR SS h Sq. SiAN Jod II I3 h 4 a .ii hft y. ho ...d odoht Ad oogh. .fl R 0* S .gbhaSS9OS oy4hoINA adh 5p14s ETA VIII oho ddq CotIIhd dud. .oy .d * U COD VideoTech PO Box 1917-30086 Stone Mt. GA 30086 tmc GOLDEN GATE IsaE5 YS60$14816 YS 45$9685 ATLANTA$22275 OMEGA$20588 SIGMA$24550 ACRO STAR$16315 QUATRO4O$15061 EXCEED4O$15188 MK RETRACTS$4183 TETTRA WHEELS$513 DIGICON HORNS$105 IM SERVO MTS$164 PULL-PULL HDWR$346 PULL-PULL HORN$ 74 SEE OUR PRODUCTS AT ALAMEDA HOBBY 415 523-3980 SAN ANTONIO HOBBY 415 9411278 SEND $1 FOR CATALOG PO Box 4412 Burlingame CA 94010 TEL 415 467-3170
Edition: Model Aviation - 1985/07
Page Numbers: 66, 153, 154
Contml Line Combat Charlie Johnson DARE mention pro posal another Combat event basic proposal made Combat legend Riley Wooten mainly event local level planes would limited reasonable size like 360 sq minimum weight plus few other basic restrictions engines would also limited design like Fox 35 Stunt stock form could run bladder-type fuel system Think about early Sixties Voodoo Sneeker models powered rather tame engines Also think about people used fly back days percentage fliers could actually keep up model Riley indicated could possibly kit such universal model would greatbut Doc Passen suggest ed slight modification Call event Goldberg Wooten/Fox Event use Goldberg Voodoo designed Riley Wooten power Fox Wooten Goldberg Fox have made great contributions model ingand especially Combatso way event would tribute clubs have already tried varia tions universal model/engine idea have good results Racing folks have good success large numbers entrants using Fox engine Goldberg Shoestring series rac ing planes tried Voodoo plane suc tion non-Schnuerle engine think bladder pacifier much easier use cheaper consistent wing-type model cheaper build crash-resistant Slow Combat-type planes Built reasonable dimensions also easy transport Max uoyas iast omat model real giant its Hoffeit 36R engine hauls its n6ar-600 sq through maneuvers ease Note wing thick enough put fuei biadder behind spar buiiders put ahead spar Small photo right shows crafts built-up tailclaimed lighter stronger better-performing hope wont destroyed such alarming rate least local regional level event could substituted four official events event everyone flies rather four limited entry Also theres type model build rather four sepa rate types sort single-machine event can found other forms sport such motorcycle racing have 500cc Interceptor Race auto racing Le Car Alliance series event pilot skill rather trick design better pilot should still win need edge equipment win match maybe really arent best pilot right No need wait National rules unless want wait enough interest build influence Riley produce national model last thought before going onand whether its necessary have size weight restrictions wing loading would suffice 360-sq-in model weighs 20 ounces better choice 540 squares weighs 30 ounces would seem limited amount power available lightest would best us have never built light model lives hope minimum weightlike about 24 ounces figure can meet Going opposite direction slow simple another idea up displacement 36 40 local level used nothing K&B 40s old days contest time rolled around put Supertigre 35s model displacement-legal K&B much forgiving engine started very easily ran horribly contaminated fuel would have stopped Tigre its tracks made about same power Tigre torque dragging around overweight modelsand rarely broke Tigre could made start run very well broke time have giant coffee can full cranks rods bearings other miscel laneous parts Until latest Foxes S-36 Tigre came along suffered through lot broken-motor blues Tradition said used 36s used something less best available Dont let anyone convince 36 makes much power 40 highly-tuned Fox 36 will make Continued page 153 66 Model Aviation in-flight still photoS Combat models almost impossible getbesides its tun seeing some shenanigans going center circle Bearded Rich Lopez gives Howard Rush old elbow treatment L during recent meet LAs Whittier Narrows site Max Boyd Fresno CA has good grip arm LA-area flier Hulan Matthies R Look lines good tangle OTS TS RIOR TS T. THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4 Scale14951/6AAF1195 1/5 Scale1295Plus 1/12 Scale895$250shipping 1/12Chopper 895each figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 no binding takes place throughout operating range belicrank leadouts shown purposely two attached bellcrank method making leadout terminations have used successfully years could shown As can see offset put solid piano wire carefully bent form loop has inside radius about A6 leadout threaded onto belicrank offset facing up small piece copper brass tubing moved place properly soldered soldering tubing place sure wire clean solder applied end tubing flows through other end wire used 046-in diameter chosen two basic reasons First largest size bellcrank holes would accept drilling Secondly size fits rule own generally follow mak ing up models control systems leadout size should about twice size lines required fly model competition practice provides large margin safety pull-testing control system wear second photo shows platform epoxied place bellcrank mount ed after leadouts threaded through holes wing ribs Note notched portion bellcrank platform fits around slotted center rib no way pull-test models flying stresses can pull platform loose Also note A-in balsa strips epox ied against main spar both top bot tom platform additional support now leads us last photo see motor elevator con trol rods/cables place As stated early part column desirable keep wheel well area free thing connected landing gear operation Therefore necessary install intermediate belicrank about 450 angle shown motor control cable could run along wings upper skin surface As can also see elevator pushrod run under angled bracket holds motor con trol bellcrank note caution making up systems composed several components essential its operation abso lutely smooth free binding test system smooth operation simply push pull third control line binding discovered make effort discover make appropriate adjustments elim inate design control system strength ease operation should trouble-free life model time probably wonder ing what servo doing picture Control Line bellcrank system Well have joined ranks using Encoder-Decoder systems con trolling flaps landing gear retraction bomb drop etc CL planes system am using put together some help folks Ace R/C Inc will talking about future columns Send ideas photos building tos etc CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Combat/Johnson Continued page 66 power old-style K&B 40 design equal Fox except having 40 displacement will make proportionally greater power 36 Now incredible speeds being obtained some top tuners using 36 engines would wonder anyone would want go faster argument can think us could go faster easily Whats difference between 120 mph 130 mph youre having fun may engine-availability problem future some desirable engines still lot 36s left Another alternative increase displacement would decrease 35cc 21 cu size 36 could compete against 40 P0 Box 279CU Park Falls WI 54552 U Proudly Presents 0 CHAMPION FF KITS Wake-Up Wakefield $4295 Champion Coupe $2450 Upshot Mulvihill. $2295 CHAMPION RUBBER 1/8 3/16 & 1/4 widths 042 thick $1150/lb Box* CATALOG $100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714 599-3348 * incluxe US deli ry via UPS Calif residents ada 6% sees tax DUAL PERSONAUTY TRAINER GEMINIS BEAUTIFUL SUPER CHAMP W S 54 20 35 ENGINES 3 CHANNEL THE BEGINNERS KITTEN AND EXPERTS TIGER Revolutionary snap-on wing ellmliiates bolts rubber bands Complete kit $5495 dealer direct GEMINI MODELS INC PO Bee 1168 Passere NJ 07055 July1985 153 Ill ALE RhITROL MODEL 62 SP.. F... 45 CHANNEL RIC First Series Iof Great Flying Canards RIC Modeler ELECTEC EASEl & SAILPLANE SPECIALISTS 1981 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES FREE DEMONSTRATION FLIGHTS CiECK OUT AND/OR TEST FLIGHTS OF yOUR NEW PLANES CALL OR WRITE FOR FREE DESCRIPTIVE FLYER UPS 000 FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC OLDTIMER SPORT SCALE ERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEATURING ONLY STATE OF ThE ART ITEMS 0 r r U U S C 1 2 SI S C 2 slight disadvantage proposal would obsolete 36 far Competition use goes Availability lighter weight less power slowing down models usually cited reasons such change Any engine/model changes really affect less hundred national regional competitors no need worry local level can anything want long two can agree talked Jed Kusik other day before left new job working Henry Nelson Henrys engine busi ness has really turned big time Dont wait until week before Nation als Team Trials order engines though have orders hun dreds Chinese other people around world Henry wont sneer two-engine order will put line rest Jed said hes spent time doing work engines sent repair backlog should have cleared long before read Hes also sembling testing unit must meet very high standard before shipped theyre closely scrutinized find out theyre performing Jed said positioning liner case very critical tiny amount misalignment causes large drop power youre engine dis assembly opportunity should careful about liner positioning Head clearance also other major factor Most people run head down tighter until start popping plugs run up few thousandths Overcompressing seems major problems engines dont run up par Before complain about engine sure test-run very strong test bench see performs Loose mounts ones distort case tightened will kill performance engine regardless care taken manufacture can take several people World Championships saw engines pick up couple thou sand rpm run Henrys test bench Besides usual 140 mph models report other useful item Zinger 8A 6 prop think too small Fast Slow Com bat model works great turns full streamer thats really measure good prop props widely available cheaper lot other ones market Remem ber test props using full competi tion streamer both level flight through series maneuvers Heres what youve waiting MACA Top Twenty 1984 1 Larry Driskill Points 195 BOX 429SKTLANU N U NEWSPACESA FUEL CONTAINER RtInhwx 2x73IShIuhxq-l/8 Tough RIgId P*tbyhm IuchidesAITu1kg PI $1 stqe Fustners IwI 11kg though Cop North Products PO Box 18419 Cleveland Heights OH 44118 SOAR throUgh right own living room 2-hour psycho -sensual helicopter exploration Breathtaking music Critically acclaimed Details FREE VHSor BETA J5238 Beerger ProdutInn 3217 ArvilIe Las 2 Tom Fluker 3 Richard Stubblefield 4 Paul Smith 5 Chris Gay 6 Steve Kott 7 PeteAthans 8 Jerry Sabin 9 Don Cranfil 10 Bud Bodzioch 11 Al Jorgensen 12 Gary Bycrely Joe McKenzie 14 Phil Cartier 15 Bill Lajack 16 Ron Malcolm 17 Jeff Johnson 18 John Salvin III 19 Ed Brzys Don Holbrook 191 164 121 120 114 99 93 72 66 61 55 55 54 50 47 46 45 43 43 Charlie Johnson 3716 Ingraham San Diego CA 92109 St CL Navy Carrier/Perry Continued page 67 Bob Heywood Monty Greenly Ber nard Klien May mystery aircraft Miles M 38 Messenger An unlikely carrier air craft originally designed other 154 Model Aviation * SCALE DOCUMENTATION * SCALE DRAWINGSMODEL PLANS PHOTOS w BOOKS EPLA-TECH 1985 INTERNATIONAL AIRPLANE CATALOG oo MC KENZIE HWY $300VIDA OREGON 97488 OVALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquirleaCalalog 5O invited BLUE RIDGE MODELS. 28776 E U -a -a U -l 0 21 0 2 0 U S SUPER SALE Us 1W Id SiP y dy d y dd ffsd Th sat f hb hp R bh d hy pftsI Odush lAg .h-S k d 1 a.. 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