TRANSFORMATION from rodent water fowl Ive varied feature models ri diculous sublime last two columns reason Both designs same man separated time about four years Februarys subject Mouse exemplifies excesses almost categories inherent stability resultant strange bizarre appearance Col Bowdens Mouse may well least tractive Old-Timer designs time poor thing designed 1934 pub lished year later makes contemporary US KG-3 Maxwell Bassetts Miss Philadelphia Very little known about design ing gasoline-powered engines days consequently design parameters used based experience rubberpowered models Take look Mouse will structure certainly reminiscent Rubber-power practice huge amounts down side thrust Anyone has flown Unlimited Rubber Wakefield huge props often having diameters approaching 35% wingspan can understand tendency compensate pre conceived often erroneously amount thrust torque new Gas engines ba sis 60 down right thrust might explain able Mouses incredible amount dihedral washout us bit puzzled untilby coincidencethe newsletter Aeroneers cluded delightful comprehensive flying historical report Alex Imeries Elf-powered r Joe Weathers-designed Miss San Diego report Imerie quoted Charles Grant April 1937 edition Model Airplane News father Power model design takes task designers tended use excessive dihe dral Grant reasons accomplishes disproportionate dihedral spiral instability dihedral increased center-oflateral-area CLAwhich also calls direc tional center moved away center-ofC E DOWDENS MALLARD Socme PtoI Eng4nd Modd Akfld tUrn WIflWpfl U W 0ALZTML EJIIEIJIiUIEZZ 0 Th v II I r ------- fl-n 46 Model Aviation Radio Conoi Old-Timers Dr DB Mathews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Bill Murrays Temple TX Coronet 150 buIlt proof drawings its colors redlwhlte black pinstripes Col Bowdens Mallard design dating 1938 Isa far cry 34 Mouse Builder Robert H Munn San Diego CA did magnificent job newly built 1988 copy Wingspan 1s92 Power isa Ross 80 Thats probably 5 times originals power Photos Jim Alaback gravity CG As us have learned hard way best stability turn models CLA CO need close together farther up CLA likely model drop wing spiral Free Flight Scale often helpful add detail some sort weight undercarriage wheels else fails point all-too-brief discussion ancient Charles Grant design rules Mouse probably behaves strangely radio assist because has excessive dihedral rel atively high CLA rudder movements likely just exacerbate problems down side thrust make lots sense incredible dihedralwhich also likely reason planes oversized fin So four years several designs later Colonel other designers learned few thingsmany hard way sure months design Mallard displays net result lessons No need nonscale dihedral no need huge amounts down side thrust no disproportionate fin size Now could design model looked like fullscale airplane reasonable expectation its having good flying characteristics phrase Mallard pretty Mouse ungainly Supermarine Spitfire flying its earliest form over country side Colonels England obvious too Bob Munns project Mallard construction article appeared book Col Bowden Pe trol Engine published around 1937 rare book indeed Somehow full-sized drawings became available John Pond recently considerable surprise familiar other early Bowden designs Bob Munn San Diego CA fell love Mallard exceptional workmanship evident photos clean design actually overpowered Rossi model SAM-legal power plant Its beautiful model marve lous craftsman Oddity oddities pulled afore mentioned April 1937 issue MAN out storage box check out CH Grant Gas Lines discussion what should appear same page photo Berkeley Cavalier sun shining through its structure ing held its buildera much younger John Pond John recently bought Bob Munns Mal lard Sorta spooky dont think Uncle SAM wants Remember old Continued page 1S2 vJorlds best 5e1iflg Spark IgnItlOP System Chasan eWe Oriuids T&G Mfg AM Akcridt Saqiply fix its eutstinukg riahity Complete single cylinder system inc ud ng throttlecoupled spark advance kit spa k spark plug lead25 plug battery pack charger 900 ded MucIhmgeranpieEaEasyhuidstuts nokckhack 1DhO-12Dfl0 RPU nil hi 30% mars paw few strakers e hatiadan mviii Lower iead *uh ira nuednd Med qisik pug mad mid 9V pun cover 0 FmmaiyanpmsUIqa2b4strakm sk*udtwheyhders zeipnNhactsaviilm Spu* eels spak phaga sliuldal pug Imal S tkiag hits mviii Sample some items bought sold New Royal Chipmunk K&B 40 WI retracts$8500 Used Indy Cap-21 WIO engine 40-60 2-cycle$4000 New Dynaflite Pice OCake RTF WI 05 electric$5000 Used SAITO FA-80 4-cycle R/C wI muf runs great$7500 New Rossi 61 ABC$5500 Used Rhom air retracts 90 deg w/ pump$6500 Futaba Conquest 5Ch PCM never used$15000 April 1989 47 Danny Sheelds Randaistown MD 1934 Bowden Blue Dragon Col still using huge fins lots dihedral very long todays standards landing gear WHEN YOU FORGET\OUR UNITS REMEMBER RC System NICd Batteries chargers need package Cycler-Charger$19995COj Fits 48V Fix 96V Tx packsPlus $5 Gelled Cell Others available write kier $2495 Regular Model$3995 ForPlus $2 S&H4For field kit smallPlus $2 S&H Multiple e Radioselectric boat batteries cify 6 12 24V Heavy Duty Model.$4995 sport winch large boat andPlus $250 S&H electric power charging batteriesSpecity 6 1 2V CaRa Products SASS nfomvasonPO Box 221 5059875924Deafer inqulnes invitedCanton SD 57013 buy retail F TRADER JACKS BUY & SELL MAIL Be part worldwide network selling / trading R/O equipment Planes engines parts etc want buy sell send complete description item Include daytime phone number address PO Box 4556 no CA 93744 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUS TOM & STOCK PARTS VAILABLEINDIWDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WA RE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING LING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS Giant Scale/de Vries Continued page 45 Theres quite stir locally Three club members contemplating trio Giant Flying Fortresses Bill Sheaves Rich Pabiloma old master Ivan Munninghoff have acquired set B-17 drawings England have gun construction wingspan birds will 125 theyll 89 long Power model will four 40s Bill has already designed built set deadon scale retracts model Forts Hes ac quired some very small powerful German electric motors feature planetary gear sys tem thatll turn retract screws full-scale fashion demonstrated gear lat est club meeting members amazed gear has its own four-pen-cell battery sup ply gives 150 gear cycles single charge Well keep up major project cause its sure produce some fascinating model engineering techniques may universally useful March winds will soon blowing flying season will follow close behind Hope winters project coming along famously RC Old-Timers/Mathews Continued page 47 Army recruiting posters old guy pointing finger Well youre member SAM Society Antique Modelers have pointed newsletter reason enough join youve never seen youll sur prised its contents Theres whole lot contest reports rules controversies Lots Its really highly interesting compendium Old-Timer activities both Free Flight RC-Assist around world New members should send $10 Robert P Dodds 209 Sumnierside Lane Encinitas CA 92024 might also want ask avail able list area SAM chapters help locate kin dred spirits neighborhood Thats spirit SAM Speaks editor now president Jim Adams wrote thought-provoking editorial several months ago lamenting trend toward one-design overpowered totally un realistic entries Old-Timer RC-Assist events challenge return some semblance way things contests de signs new Something closely recre ate historical era intent SAMs found ing fathers builder-of-the-month Bob Munn read challenge set out develop event would hoped encourage builders bring out models developed ability climb almost Out sight near-vertical climb fly gently majesty peculiar classicbut noncompetitive designs others took up Jim Adams challenge settled name Spirit SAM Con cours distributed set rules encouraged idea wherever could San Diego Aeroneers included Con cours event 1988 annual contest everyones delight surprise drew en tries other event Such beautiful models Red Zephyr Super Buccaneer Miss America Flying Quaker etc entered displayed delight contestants spectators dont recall won isnt particularly important really real winners whole bunch us enjoy seeing lovely old ladies ac tion Without Concours event builders would have no reason bring out very similar phenomenon much-enjoyed part Old Warden Old-Timer Day England Builders exhibit models having absolutely no competitive potential vast esthetic appeal writer first became interested add ing radio systems pre-WW II designs SAM primarily Free Flight organization provisional rules RC-Assist after RC-Assist began catch hold events social competitive recall SAM events Chicago Nats 1972 illustration Several fellows dressed clothing Thirties dont re call anyone paying much attention flight times position tally boards dont recall Play boys 5% size increments everywhere looked certainly dont recall hearing K&B 35cc power plants screaming away 17000 rpm recall such things Sal Taibi starting Forster 99-powered Powerhouse first flip prop Sal also Green Hornet Hale Wallace flying O&R 23powered Brigadier after losing beautiful RC Scale Chipmunk radio interference lovely slow-speed takeoff flight Brown-powered KG-l other delight ful fun things Thats way 17 years ago club would like add Spirit SAM Concours event its calendar present rules courtesy Bob Munn special new event fliers selves decide models entered best represents spirit imagination experimenta tion craftsmanship characterized early days aeromodeling No entry fee no re strictions size engine loadings Any model qualifies under current SAM rules Antique Old-Timer originally de signed Gas power Free Flight Flying Scale can entered demonstration flight consisting climb altitude power cutoff glide landing required no judging timing involved could enter Spirit SAM Concours same aircraft entered com petitive events hope will instead bring interesting old-time model com petitive under current rules nevertheless radiates pleasure seeing own handiwork take gracfully air Photographs either color B&W mod els pre-1957 era always needed greatly appreciated have written seeking source wing covering material Hi Johnson sold fore death under name White Skin Bud Overn Santa Ana CA advises material available Aerospace Composite Products PO Box 16621 Irvine CA 92714 Flash 1989 SAM Champs site has fi nalized After several disappointments over loca tions SAM has chosen Jean NV October 815 1989 site southwest Las Vegas Highway 1-15 headquarters hotel about 2 miles dry lakebed selected flying site site 1 2 miles size Larry Jenno will CD effort ing made make international SAM Champs participants chapters Italy England Australia New Zealand Canada etc sounds like real winner mark calen dars ENJOY 152 Model Aviation OUR RE V-UP INVENTORY VERA GES OVER 9000 PROPS III IMMEDIATE SHIPMENT ON VISA/MC / / AJ INTERCEPTOR RTFI 8750 *495 AWJU AIRCRAFT COMPANY RO Box 68132f Portland OR 97268
Edition: Model Aviation - 1989/04
Page Numbers: 46, 47, 152
TRANSFORMATION from rodent water fowl Ive varied feature models ri diculous sublime last two columns reason Both designs same man separated time about four years Februarys subject Mouse exemplifies excesses almost categories inherent stability resultant strange bizarre appearance Col Bowdens Mouse may well least tractive Old-Timer designs time poor thing designed 1934 pub lished year later makes contemporary US KG-3 Maxwell Bassetts Miss Philadelphia Very little known about design ing gasoline-powered engines days consequently design parameters used based experience rubberpowered models Take look Mouse will structure certainly reminiscent Rubber-power practice huge amounts down side thrust Anyone has flown Unlimited Rubber Wakefield huge props often having diameters approaching 35% wingspan can understand tendency compensate pre conceived often erroneously amount thrust torque new Gas engines ba sis 60 down right thrust might explain able Mouses incredible amount dihedral washout us bit puzzled untilby coincidencethe newsletter Aeroneers cluded delightful comprehensive flying historical report Alex Imeries Elf-powered r Joe Weathers-designed Miss San Diego report Imerie quoted Charles Grant April 1937 edition Model Airplane News father Power model design takes task designers tended use excessive dihe dral Grant reasons accomplishes disproportionate dihedral spiral instability dihedral increased center-oflateral-area CLAwhich also calls direc tional center moved away center-ofC E DOWDENS MALLARD Socme PtoI Eng4nd Modd Akfld tUrn WIflWpfl U W 0ALZTML EJIIEIJIiUIEZZ 0 Th v II I r ------- fl-n 46 Model Aviation Radio Conoi Old-Timers Dr DB Mathews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Bill Murrays Temple TX Coronet 150 buIlt proof drawings its colors redlwhlte black pinstripes Col Bowdens Mallard design dating 1938 Isa far cry 34 Mouse Builder Robert H Munn San Diego CA did magnificent job newly built 1988 copy Wingspan 1s92 Power isa Ross 80 Thats probably 5 times originals power Photos Jim Alaback gravity CG As us have learned hard way best stability turn models CLA CO need close together farther up CLA likely model drop wing spiral Free Flight Scale often helpful add detail some sort weight undercarriage wheels else fails point all-too-brief discussion ancient Charles Grant design rules Mouse probably behaves strangely radio assist because has excessive dihedral rel atively high CLA rudder movements likely just exacerbate problems down side thrust make lots sense incredible dihedralwhich also likely reason planes oversized fin So four years several designs later Colonel other designers learned few thingsmany hard way sure months design Mallard displays net result lessons No need nonscale dihedral no need huge amounts down side thrust no disproportionate fin size Now could design model looked like fullscale airplane reasonable expectation its having good flying characteristics phrase Mallard pretty Mouse ungainly Supermarine Spitfire flying its earliest form over country side Colonels England obvious too Bob Munns project Mallard construction article appeared book Col Bowden Pe trol Engine published around 1937 rare book indeed Somehow full-sized drawings became available John Pond recently considerable surprise familiar other early Bowden designs Bob Munn San Diego CA fell love Mallard exceptional workmanship evident photos clean design actually overpowered Rossi model SAM-legal power plant Its beautiful model marve lous craftsman Oddity oddities pulled afore mentioned April 1937 issue MAN out storage box check out CH Grant Gas Lines discussion what should appear same page photo Berkeley Cavalier sun shining through its structure ing held its buildera much younger John Pond John recently bought Bob Munns Mal lard Sorta spooky dont think Uncle SAM wants Remember old Continued page 1S2 vJorlds best 5e1iflg Spark IgnItlOP System Chasan eWe Oriuids T&G Mfg AM Akcridt Saqiply fix its eutstinukg riahity Complete single cylinder system inc ud ng throttlecoupled spark advance kit spa k spark plug lead25 plug battery pack charger 900 ded MucIhmgeranpieEaEasyhuidstuts nokckhack 1DhO-12Dfl0 RPU nil hi 30% mars paw few strakers e hatiadan mviii Lower iead *uh ira nuednd Med qisik pug mad mid 9V pun cover 0 FmmaiyanpmsUIqa2b4strakm sk*udtwheyhders zeipnNhactsaviilm Spu* eels spak phaga sliuldal pug Imal S tkiag hits mviii Sample some items bought sold New Royal Chipmunk K&B 40 WI retracts$8500 Used Indy Cap-21 WIO engine 40-60 2-cycle$4000 New Dynaflite Pice OCake RTF WI 05 electric$5000 Used SAITO FA-80 4-cycle R/C wI muf runs great$7500 New Rossi 61 ABC$5500 Used Rhom air retracts 90 deg w/ pump$6500 Futaba Conquest 5Ch PCM never used$15000 April 1989 47 Danny Sheelds Randaistown MD 1934 Bowden Blue Dragon Col still using huge fins lots dihedral very long todays standards landing gear WHEN YOU FORGET\OUR UNITS REMEMBER RC System NICd Batteries chargers need package Cycler-Charger$19995COj Fits 48V Fix 96V Tx packsPlus $5 Gelled Cell Others available write kier $2495 Regular Model$3995 ForPlus $2 S&H4For field kit smallPlus $2 S&H Multiple e Radioselectric boat batteries cify 6 12 24V Heavy Duty Model.$4995 sport winch large boat andPlus $250 S&H electric power charging batteriesSpecity 6 1 2V CaRa Products SASS nfomvasonPO Box 221 5059875924Deafer inqulnes invitedCanton SD 57013 buy retail F TRADER JACKS BUY & SELL MAIL Be part worldwide network selling / trading R/O equipment Planes engines parts etc want buy sell send complete description item Include daytime phone number address PO Box 4556 no CA 93744 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUS TOM & STOCK PARTS VAILABLEINDIWDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WA RE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING LING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS Giant Scale/de Vries Continued page 45 Theres quite stir locally Three club members contemplating trio Giant Flying Fortresses Bill Sheaves Rich Pabiloma old master Ivan Munninghoff have acquired set B-17 drawings England have gun construction wingspan birds will 125 theyll 89 long Power model will four 40s Bill has already designed built set deadon scale retracts model Forts Hes ac quired some very small powerful German electric motors feature planetary gear sys tem thatll turn retract screws full-scale fashion demonstrated gear lat est club meeting members amazed gear has its own four-pen-cell battery sup ply gives 150 gear cycles single charge Well keep up major project cause its sure produce some fascinating model engineering techniques may universally useful March winds will soon blowing flying season will follow close behind Hope winters project coming along famously RC Old-Timers/Mathews Continued page 47 Army recruiting posters old guy pointing finger Well youre member SAM Society Antique Modelers have pointed newsletter reason enough join youve never seen youll sur prised its contents Theres whole lot contest reports rules controversies Lots Its really highly interesting compendium Old-Timer activities both Free Flight RC-Assist around world New members should send $10 Robert P Dodds 209 Sumnierside Lane Encinitas CA 92024 might also want ask avail able list area SAM chapters help locate kin dred spirits neighborhood Thats spirit SAM Speaks editor now president Jim Adams wrote thought-provoking editorial several months ago lamenting trend toward one-design overpowered totally un realistic entries Old-Timer RC-Assist events challenge return some semblance way things contests de signs new Something closely recre ate historical era intent SAMs found ing fathers builder-of-the-month Bob Munn read challenge set out develop event would hoped encourage builders bring out models developed ability climb almost Out sight near-vertical climb fly gently majesty peculiar classicbut noncompetitive designs others took up Jim Adams challenge settled name Spirit SAM Con cours distributed set rules encouraged idea wherever could San Diego Aeroneers included Con cours event 1988 annual contest everyones delight surprise drew en tries other event Such beautiful models Red Zephyr Super Buccaneer Miss America Flying Quaker etc entered displayed delight contestants spectators dont recall won isnt particularly important really real winners whole bunch us enjoy seeing lovely old ladies ac tion Without Concours event builders would have no reason bring out very similar phenomenon much-enjoyed part Old Warden Old-Timer Day England Builders exhibit models having absolutely no competitive potential vast esthetic appeal writer first became interested add ing radio systems pre-WW II designs SAM primarily Free Flight organization provisional rules RC-Assist after RC-Assist began catch hold events social competitive recall SAM events Chicago Nats 1972 illustration Several fellows dressed clothing Thirties dont re call anyone paying much attention flight times position tally boards dont recall Play boys 5% size increments everywhere looked certainly dont recall hearing K&B 35cc power plants screaming away 17000 rpm recall such things Sal Taibi starting Forster 99-powered Powerhouse first flip prop Sal also Green Hornet Hale Wallace flying O&R 23powered Brigadier after losing beautiful RC Scale Chipmunk radio interference lovely slow-speed takeoff flight Brown-powered KG-l other delight ful fun things Thats way 17 years ago club would like add Spirit SAM Concours event its calendar present rules courtesy Bob Munn special new event fliers selves decide models entered best represents spirit imagination experimenta tion craftsmanship characterized early days aeromodeling No entry fee no re strictions size engine loadings Any model qualifies under current SAM rules Antique Old-Timer originally de signed Gas power Free Flight Flying Scale can entered demonstration flight consisting climb altitude power cutoff glide landing required no judging timing involved could enter Spirit SAM Concours same aircraft entered com petitive events hope will instead bring interesting old-time model com petitive under current rules nevertheless radiates pleasure seeing own handiwork take gracfully air Photographs either color B&W mod els pre-1957 era always needed greatly appreciated have written seeking source wing covering material Hi Johnson sold fore death under name White Skin Bud Overn Santa Ana CA advises material available Aerospace Composite Products PO Box 16621 Irvine CA 92714 Flash 1989 SAM Champs site has fi nalized After several disappointments over loca tions SAM has chosen Jean NV October 815 1989 site southwest Las Vegas Highway 1-15 headquarters hotel about 2 miles dry lakebed selected flying site site 1 2 miles size Larry Jenno will CD effort ing made make international SAM Champs participants chapters Italy England Australia New Zealand Canada etc sounds like real winner mark calen dars ENJOY 152 Model Aviation OUR RE V-UP INVENTORY VERA GES OVER 9000 PROPS III IMMEDIATE SHIPMENT ON VISA/MC / / AJ INTERCEPTOR RTFI 8750 *495 AWJU AIRCRAFT COMPANY RO Box 68132f Portland OR 97268
Edition: Model Aviation - 1989/04
Page Numbers: 46, 47, 152
TRANSFORMATION from rodent water fowl Ive varied feature models ri diculous sublime last two columns reason Both designs same man separated time about four years Februarys subject Mouse exemplifies excesses almost categories inherent stability resultant strange bizarre appearance Col Bowdens Mouse may well least tractive Old-Timer designs time poor thing designed 1934 pub lished year later makes contemporary US KG-3 Maxwell Bassetts Miss Philadelphia Very little known about design ing gasoline-powered engines days consequently design parameters used based experience rubberpowered models Take look Mouse will structure certainly reminiscent Rubber-power practice huge amounts down side thrust Anyone has flown Unlimited Rubber Wakefield huge props often having diameters approaching 35% wingspan can understand tendency compensate pre conceived often erroneously amount thrust torque new Gas engines ba sis 60 down right thrust might explain able Mouses incredible amount dihedral washout us bit puzzled untilby coincidencethe newsletter Aeroneers cluded delightful comprehensive flying historical report Alex Imeries Elf-powered r Joe Weathers-designed Miss San Diego report Imerie quoted Charles Grant April 1937 edition Model Airplane News father Power model design takes task designers tended use excessive dihe dral Grant reasons accomplishes disproportionate dihedral spiral instability dihedral increased center-oflateral-area CLAwhich also calls direc tional center moved away center-ofC E DOWDENS MALLARD Socme PtoI Eng4nd Modd Akfld tUrn WIflWpfl U W 0ALZTML EJIIEIJIiUIEZZ 0 Th v II I r ------- fl-n 46 Model Aviation Radio Conoi Old-Timers Dr DB Mathews 909 N Maize Rd Townhouse 734 Wichita KS 67212 Bill Murrays Temple TX Coronet 150 buIlt proof drawings its colors redlwhlte black pinstripes Col Bowdens Mallard design dating 1938 Isa far cry 34 Mouse Builder Robert H Munn San Diego CA did magnificent job newly built 1988 copy Wingspan 1s92 Power isa Ross 80 Thats probably 5 times originals power Photos Jim Alaback gravity CG As us have learned hard way best stability turn models CLA CO need close together farther up CLA likely model drop wing spiral Free Flight Scale often helpful add detail some sort weight undercarriage wheels else fails point all-too-brief discussion ancient Charles Grant design rules Mouse probably behaves strangely radio assist because has excessive dihedral rel atively high CLA rudder movements likely just exacerbate problems down side thrust make lots sense incredible dihedralwhich also likely reason planes oversized fin So four years several designs later Colonel other designers learned few thingsmany hard way sure months design Mallard displays net result lessons No need nonscale dihedral no need huge amounts down side thrust no disproportionate fin size Now could design model looked like fullscale airplane reasonable expectation its having good flying characteristics phrase Mallard pretty Mouse ungainly Supermarine Spitfire flying its earliest form over country side Colonels England obvious too Bob Munns project Mallard construction article appeared book Col Bowden Pe trol Engine published around 1937 rare book indeed Somehow full-sized drawings became available John Pond recently considerable surprise familiar other early Bowden designs Bob Munn San Diego CA fell love Mallard exceptional workmanship evident photos clean design actually overpowered Rossi model SAM-legal power plant Its beautiful model marve lous craftsman Oddity oddities pulled afore mentioned April 1937 issue MAN out storage box check out CH Grant Gas Lines discussion what should appear same page photo Berkeley Cavalier sun shining through its structure ing held its buildera much younger John Pond John recently bought Bob Munns Mal lard Sorta spooky dont think Uncle SAM wants Remember old Continued page 1S2 vJorlds best 5e1iflg Spark IgnItlOP System Chasan eWe Oriuids T&G Mfg AM Akcridt Saqiply fix its eutstinukg riahity Complete single cylinder system inc ud ng throttlecoupled spark advance kit spa k spark plug lead25 plug battery pack charger 900 ded MucIhmgeranpieEaEasyhuidstuts nokckhack 1DhO-12Dfl0 RPU nil hi 30% mars paw few strakers e hatiadan mviii Lower iead *uh ira nuednd Med qisik pug mad mid 9V pun cover 0 FmmaiyanpmsUIqa2b4strakm sk*udtwheyhders zeipnNhactsaviilm Spu* eels spak phaga sliuldal pug Imal S tkiag hits mviii Sample some items bought sold New Royal Chipmunk K&B 40 WI retracts$8500 Used Indy Cap-21 WIO engine 40-60 2-cycle$4000 New Dynaflite Pice OCake RTF WI 05 electric$5000 Used SAITO FA-80 4-cycle R/C wI muf runs great$7500 New Rossi 61 ABC$5500 Used Rhom air retracts 90 deg w/ pump$6500 Futaba Conquest 5Ch PCM never used$15000 April 1989 47 Danny Sheelds Randaistown MD 1934 Bowden Blue Dragon Col still using huge fins lots dihedral very long todays standards landing gear WHEN YOU FORGET\OUR UNITS REMEMBER RC System NICd Batteries chargers need package Cycler-Charger$19995COj Fits 48V Fix 96V Tx packsPlus $5 Gelled Cell Others available write kier $2495 Regular Model$3995 ForPlus $2 S&H4For field kit smallPlus $2 S&H Multiple e Radioselectric boat batteries cify 6 12 24V Heavy Duty Model.$4995 sport winch large boat andPlus $250 S&H electric power charging batteriesSpecity 6 1 2V CaRa Products SASS nfomvasonPO Box 221 5059875924Deafer inqulnes invitedCanton SD 57013 buy retail F TRADER JACKS BUY & SELL MAIL Be part worldwide network selling / trading R/O equipment Planes engines parts etc want buy sell send complete description item Include daytime phone number address PO Box 4556 no CA 93744 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUS TOM & STOCK PARTS VAILABLEINDIWDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WA RE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING LING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS Giant Scale/de Vries Continued page 45 Theres quite stir locally Three club members contemplating trio Giant Flying Fortresses Bill Sheaves Rich Pabiloma old master Ivan Munninghoff have acquired set B-17 drawings England have gun construction wingspan birds will 125 theyll 89 long Power model will four 40s Bill has already designed built set deadon scale retracts model Forts Hes ac quired some very small powerful German electric motors feature planetary gear sys tem thatll turn retract screws full-scale fashion demonstrated gear lat est club meeting members amazed gear has its own four-pen-cell battery sup ply gives 150 gear cycles single charge Well keep up major project cause its sure produce some fascinating model engineering techniques may universally useful March winds will soon blowing flying season will follow close behind Hope winters project coming along famously RC Old-Timers/Mathews Continued page 47 Army recruiting posters old guy pointing finger Well youre member SAM Society Antique Modelers have pointed newsletter reason enough join youve never seen youll sur prised its contents Theres whole lot contest reports rules controversies Lots Its really highly interesting compendium Old-Timer activities both Free Flight RC-Assist around world New members should send $10 Robert P Dodds 209 Sumnierside Lane Encinitas CA 92024 might also want ask avail able list area SAM chapters help locate kin dred spirits neighborhood Thats spirit SAM Speaks editor now president Jim Adams wrote thought-provoking editorial several months ago lamenting trend toward one-design overpowered totally un realistic entries Old-Timer RC-Assist events challenge return some semblance way things contests de signs new Something closely recre ate historical era intent SAMs found ing fathers builder-of-the-month Bob Munn read challenge set out develop event would hoped encourage builders bring out models developed ability climb almost Out sight near-vertical climb fly gently majesty peculiar classicbut noncompetitive designs others took up Jim Adams challenge settled name Spirit SAM Con cours distributed set rules encouraged idea wherever could San Diego Aeroneers included Con cours event 1988 annual contest everyones delight surprise drew en tries other event Such beautiful models Red Zephyr Super Buccaneer Miss America Flying Quaker etc entered displayed delight contestants spectators dont recall won isnt particularly important really real winners whole bunch us enjoy seeing lovely old ladies ac tion Without Concours event builders would have no reason bring out very similar phenomenon much-enjoyed part Old Warden Old-Timer Day England Builders exhibit models having absolutely no competitive potential vast esthetic appeal writer first became interested add ing radio systems pre-WW II designs SAM primarily Free Flight organization provisional rules RC-Assist after RC-Assist began catch hold events social competitive recall SAM events Chicago Nats 1972 illustration Several fellows dressed clothing Thirties dont re call anyone paying much attention flight times position tally boards dont recall Play boys 5% size increments everywhere looked certainly dont recall hearing K&B 35cc power plants screaming away 17000 rpm recall such things Sal Taibi starting Forster 99-powered Powerhouse first flip prop Sal also Green Hornet Hale Wallace flying O&R 23powered Brigadier after losing beautiful RC Scale Chipmunk radio interference lovely slow-speed takeoff flight Brown-powered KG-l other delight ful fun things Thats way 17 years ago club would like add Spirit SAM Concours event its calendar present rules courtesy Bob Munn special new event fliers selves decide models entered best represents spirit imagination experimenta tion craftsmanship characterized early days aeromodeling No entry fee no re strictions size engine loadings Any model qualifies under current SAM rules Antique Old-Timer originally de signed Gas power Free Flight Flying Scale can entered demonstration flight consisting climb altitude power cutoff glide landing required no judging timing involved could enter Spirit SAM Concours same aircraft entered com petitive events hope will instead bring interesting old-time model com petitive under current rules nevertheless radiates pleasure seeing own handiwork take gracfully air Photographs either color B&W mod els pre-1957 era always needed greatly appreciated have written seeking source wing covering material Hi Johnson sold fore death under name White Skin Bud Overn Santa Ana CA advises material available Aerospace Composite Products PO Box 16621 Irvine CA 92714 Flash 1989 SAM Champs site has fi nalized After several disappointments over loca tions SAM has chosen Jean NV October 815 1989 site southwest Las Vegas Highway 1-15 headquarters hotel about 2 miles dry lakebed selected flying site site 1 2 miles size Larry Jenno will CD effort ing made make international SAM Champs participants chapters Italy England Australia New Zealand Canada etc sounds like real winner mark calen dars ENJOY 152 Model Aviation OUR RE V-UP INVENTORY VERA GES OVER 9000 PROPS III IMMEDIATE SHIPMENT ON VISA/MC / / AJ INTERCEPTOR RTFI 8750 *495 AWJU AIRCRAFT COMPANY RO Box 68132f Portland OR 97268