Racing Below middle El Bandito Scale Racer built Bill Lee waa made according Hirsh 3views powered Rossi 15 Configura tiOn real plane gives model sleek appear ance Tank shaped extend back TE COUPLE columns ago took cou ple good shots some racing events know popular several areas country specifically limited capacity events said effect way go pleaded disagreed write let know off base response underwhelming Two letters came George Caidwell Walkersville MD George supports concept limited capacity events George also member Racing Advisory Commit tee really expected hear RAC members fact RAC generally means hesitant air views will gen erally sit down write necessary mean thats asked part RAC first place Lee erent afraid contribute other letB iN ter beaut Came James Van Sant Penndel PA Let quote some pieces Jims letter First slowing event down intent 1-oz Goodyear give types motors chance just Rossi. diesel also puts much value pit stops plane Goodyear 1 oz came about because event necded lead people Team Race has helped Did know B Team Race first UC racing event patterned after Good year racing full-size B good event bad rules never got changed still flown around world country. thing have done ruin motor lean run shut-off working know lean run hot run starting good must start again blown plug thing have seen happen everyone has flown l-oz version time will go like Glow its easy seems will try diesel looks easy Just watch drone want bet Try fuel Different types tried What kind race planes same motor fuel prop sum up l-oz Goodyear winner event has have planemotor-prop-fuel combo plus pit work flying Sounds like FAT doesnt it true AMA looks same first glance choice very small fact 75 Nats what flown couple different planes motors same except very few didnt stand chance Props Well glass 7/6 cut get right rpm Fuel As much nitro can stand Pit flying same except maybe AMA too fast some takes good flier continued page 84 34 Model Aviation Left This bird new Slow Rat also Bill Lee K&B 35 converted rear rotor Series 71 40 parts date 140-laps 714 Bill Lees Little Rat uses same converted 35 pressure Plane built less week indicating easily can get Little Rat Tiger Moth/Berliner continued page 45 appears have about end public flying two Tiger Moth Racers Cirrus-powered machine used deHavilland another year airframe testing research Gipsy-engined airplane used its originally-intended purposethe flight development testing pow erful engine also seen static dis play air shows during 1928 1929 What greatest importance first production Gipsy engines started coming off assembly lines June 1928 beginning major new phase lightplane history Tens thousands produced succeeding years still-popular Tiger Moth training touring biplanes decades other Brit ish light aircraft Canadian-built Chipmunk trainers original fourcylinder Gipsy expanded Gipsy Six Comet racers deHavilland Dove light transport built US under license US-built DH60 Gipsy Moths sev eral can still seen flying good weather original G-EBRV its 85-hp Cirrus engine retired iA 1928 hung engineless rafters its birthplace taken down briefly 1933 used advertisement coming Kings Cup Race once again tucked away deHavillands Hatfield shops Comet Racers built Fall 1940 long after end Battle Britain lone German Ju-88 slipped through British defenses plastered factory successful raid during war Several workmen killed pro totype DH71 destroyed record-setting G-EBQU shorter life 1930 sold party Australia September year pilot took off practice forthcoming air race engine quit about 150-ft altitude Moth Racer crashed kill ing its pilot neither original Tiger Moths remained front public very long contributed great deal both engine airframe design progress Great Britain partly plan elsewhere deHavilland desigi can traced back 71 DH77 unsuccessful all-metal low wing interceptor similar look ing much larger 330-hp engine giving top speed about 180 mph As still very much era biplane combat roles Royal Air Force turned up its nose such radical idea Yet least man seemed like idea very much Ameri can racing plane designer Benny Howard turned ut very successful light weight low-powered racer bore strong resemblance DH 71 DGA-3 Pete first competed terms much powerful racers 1930 wire-braced low wing upright American-built 319 cu Cirrus engine its windshield faired smoothly rear engine cowl ingall like DH71 no direct evidence Pete actually copied Tiger Moth Racer shape dimensions close enough suggest least strong inspiration Petes wing span halfway between long short wings DH71 its length just 10 less empty weight 50 lbs gross weight mere 5 lbs less performance close Petes best race course speed 170 mph Cirruspowered Tiger Moth about 166 mph Pete once clocked 195 mph straight run DH71 offi cial 187 mph unofficial 204 mph bigger engine Construction deHavilland midget traditional firm fuselage wooden main structure plywood covering cockpit minimum width partial canopy could entered folding down two sides pic tures make look like no ward visibility quite bad glassed side panels slightly played outwards pilot might look down either side very narrow cowl around upright cylinders La ter enclosed canopy fitted still visibility no worse later high-speed airplanes wings center some con troversy Two sets built least record airplane Standard size 22 6 ones apparently used flights shorter 19-ft set racing wings may have installed probably never flown wings two I-section spars wooden ribs fab ric covering airfoil 8% thick RAF 15 undercamber landing gear formed important part structure Tiger Moth Racer Pairs bracing wires ran front rear spars halfway wing tips wheel hubs tween wheel hubs absorb shock what looks like pretty rigid landing gear bungee cords mounted inside very large wheel bearings Yet cannot help wonder system really good enough rough airfields common 19 20s Specifications two engines flown Tiger Moth Racers Airdisco Cirrus 11301 cu 49 liters 85 hp 2000 rpm rated prob ably turned out maximum 80 hp flight DeHavilland Gipsy319 cu 523 liters 135 hp 2650 rpm bench compression ratio 551 Color schemes two DH7 ls G-EBQUblack nose upper fuselage lettering striping Pale bronze lower fuselage wings tail G-EBRVblack fuselage landing gear racing number striping Clear dope fabric oatmeal color wings tail White racing number fuselage Upper surface wings narrow leading edge stripe tiger stripes rib also horizontal tail ofBQU Basic specifications length 18 7 wing span22 6 wing area long wings76/2 sq ft wheel track3 11 Empty weight 618 lbs gross weight 905 lbs Fuel capacity 20 US gallons last flight deHavilland DH71 1930 Yet today few airplanes aside Formula racers get much speed little power CL Racing/Lee continued page 34 now entries AMA going down around handwriting wall change go like Rat B team Race etc think Jim makes lot sense Two basic ideas first ways competitive flying 1 -oz event second event natural leadin FAT Team Race what about some other lim ited capacity events being flown country know newslet ters get limited-capacity Slow Rat flown Great Southwest AZ CA NM maybe elsewhere people fly think should made Na tional AMA event popular event Would go over given enough exposure Come guys get stick contrib ute What Big Goodyear does compare Formula 40 Goodyear has already proposed RAC whole diatribe might seem like bad case invented showing through hope dont leave impression Limited capacity events fun flew version Slow Rat over five years ago lived Denver limited capacity Two-oz tanks 40s suction two-wheel gear etc ball doing end have pro posed through Racing Advisory Com mittee Class I-Class II breakdown established least several existing events Class would currently flown Class II being tended limited capacity possibly some other version basic rules am experienced types events proposals get through various levels AMA hierarchy out will have contribute expertise get good rules Please dont wait someone else cause probably wont get done 84 Model Aviation MUFF-I-Al RE EXTREMELY COMPACT FULLY ADJUSTABLE NOISE LEVEL AND BACK PRESSURE FOR BETTER PERFORMANCE ADAPTS TO ALL ENGINES FROM 29 TO 60 QUIETER THAN OTHER TYPES OF MUFFLERS UNIVERSAL MUFFLER Designed installation wide variety engines MU-795 uni- $9 versal ultimate looks performance MU-795 No143 ALSO MADE ESPECIALLY FOR OWNERS OF SUPER TIGRE 60 BLUE HEAD ENGINES MU-795ST Fastener Kit ideal way install Du-Bro Universal Mufflaire lete instructions MU-795STNo145 $100 WEBRA 60 R/C ENGINE perfect combination Webra Easiest install MW-750 attaches two hardened steel socket head screws directly thru engine lugs MW-750 No142 $795 ooEL Pp0 oMINI-MUFFLAIRE nes 09 25MM 595No144 $595 PRODUCTS INCORPORATEDum.m 480 Bonner Road Wauconda Illinois 60084 USA LITTLE RAT Early June opportunity go out Midland west Texas AAA contest held event turned out competitive popular called Little Rat Basi cally rules follows 1 Plane must profile construction 2 All controls must externally mounted model 3 Maximum engine size 35 cu 4 No hot gloves allowed 5 60 lines 018 diameter stranded al lowed other rules basic Rat Race rules cover races safety etc What boiled down event designed encourage beginners Rat Race giv ing event fly what old-time Rat fliers learn years ago differ ence between model flew Midland what flying ten years ago 35 rather 40 old Quicky Rat Riley Wooten Skat Rat Carl Goldberg absolutely ideal event evidenced num bers both present. would have call event Midland com plete success Large turn out lots fun cheap easy build planes level performance somewhat intermedi atebetween Slow Fast Rat suggestionas addition rules would assuming intent easily entered non-professional racing event designed attract less skilled entrant some rather restrictive engine regulations placed event GOOD IDEAS didnt work out Once hear somebody trying some thing looks like good idea first just didnt quite work out planned heard last weekend Ill pass now model airplane flier out Abilene TX name Gene Patty oneriest cusses side Pecos takes great delight ing things models differ ent just sake being different Well last weekend Gene showing big scar right knee explaining got seems big idea would attach small Nicad battery pack latest Rat leave bat tery connected time way could go out nothing fuel bottle pit plane cause sorts worry part competitors about new diesel running didnt need battery start Lo behold worked Boy Fired up en gine sent plane its way Plane flies rather good has pilot bring landing time Gene feeling pretty smug look no battery start engine must some hot new diesel 40 Rat Well plane now Genes feet flight ruse obviously successful kneels down front plane con gratulating himself good job new idea casually flips prop over wont Sure enough guessed battery still attached engine fires promptly takes several large bites out Genes leg Well least looked good paper stitches hurt take out Better luck next time Gene W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 October1976 85 Interesting Slow Rat Larry Miller Tank board side counter-weighted Perry carbu retor control fuel pressure change due strange placement Does work Rear rotor ST 35
Edition: Model Aviation - 1976/10
Page Numbers: 34, 84, 85
Racing Below middle El Bandito Scale Racer built Bill Lee waa made according Hirsh 3views powered Rossi 15 Configura tiOn real plane gives model sleek appear ance Tank shaped extend back TE COUPLE columns ago took cou ple good shots some racing events know popular several areas country specifically limited capacity events said effect way go pleaded disagreed write let know off base response underwhelming Two letters came George Caidwell Walkersville MD George supports concept limited capacity events George also member Racing Advisory Commit tee really expected hear RAC members fact RAC generally means hesitant air views will gen erally sit down write necessary mean thats asked part RAC first place Lee erent afraid contribute other letB iN ter beaut Came James Van Sant Penndel PA Let quote some pieces Jims letter First slowing event down intent 1-oz Goodyear give types motors chance just Rossi. diesel also puts much value pit stops plane Goodyear 1 oz came about because event necded lead people Team Race has helped Did know B Team Race first UC racing event patterned after Good year racing full-size B good event bad rules never got changed still flown around world country. thing have done ruin motor lean run shut-off working know lean run hot run starting good must start again blown plug thing have seen happen everyone has flown l-oz version time will go like Glow its easy seems will try diesel looks easy Just watch drone want bet Try fuel Different types tried What kind race planes same motor fuel prop sum up l-oz Goodyear winner event has have planemotor-prop-fuel combo plus pit work flying Sounds like FAT doesnt it true AMA looks same first glance choice very small fact 75 Nats what flown couple different planes motors same except very few didnt stand chance Props Well glass 7/6 cut get right rpm Fuel As much nitro can stand Pit flying same except maybe AMA too fast some takes good flier continued page 84 34 Model Aviation Left This bird new Slow Rat also Bill Lee K&B 35 converted rear rotor Series 71 40 parts date 140-laps 714 Bill Lees Little Rat uses same converted 35 pressure Plane built less week indicating easily can get Little Rat Tiger Moth/Berliner continued page 45 appears have about end public flying two Tiger Moth Racers Cirrus-powered machine used deHavilland another year airframe testing research Gipsy-engined airplane used its originally-intended purposethe flight development testing pow erful engine also seen static dis play air shows during 1928 1929 What greatest importance first production Gipsy engines started coming off assembly lines June 1928 beginning major new phase lightplane history Tens thousands produced succeeding years still-popular Tiger Moth training touring biplanes decades other Brit ish light aircraft Canadian-built Chipmunk trainers original fourcylinder Gipsy expanded Gipsy Six Comet racers deHavilland Dove light transport built US under license US-built DH60 Gipsy Moths sev eral can still seen flying good weather original G-EBRV its 85-hp Cirrus engine retired iA 1928 hung engineless rafters its birthplace taken down briefly 1933 used advertisement coming Kings Cup Race once again tucked away deHavillands Hatfield shops Comet Racers built Fall 1940 long after end Battle Britain lone German Ju-88 slipped through British defenses plastered factory successful raid during war Several workmen killed pro totype DH71 destroyed record-setting G-EBQU shorter life 1930 sold party Australia September year pilot took off practice forthcoming air race engine quit about 150-ft altitude Moth Racer crashed kill ing its pilot neither original Tiger Moths remained front public very long contributed great deal both engine airframe design progress Great Britain partly plan elsewhere deHavilland desigi can traced back 71 DH77 unsuccessful all-metal low wing interceptor similar look ing much larger 330-hp engine giving top speed about 180 mph As still very much era biplane combat roles Royal Air Force turned up its nose such radical idea Yet least man seemed like idea very much Ameri can racing plane designer Benny Howard turned ut very successful light weight low-powered racer bore strong resemblance DH 71 DGA-3 Pete first competed terms much powerful racers 1930 wire-braced low wing upright American-built 319 cu Cirrus engine its windshield faired smoothly rear engine cowl ingall like DH71 no direct evidence Pete actually copied Tiger Moth Racer shape dimensions close enough suggest least strong inspiration Petes wing span halfway between long short wings DH71 its length just 10 less empty weight 50 lbs gross weight mere 5 lbs less performance close Petes best race course speed 170 mph Cirruspowered Tiger Moth about 166 mph Pete once clocked 195 mph straight run DH71 offi cial 187 mph unofficial 204 mph bigger engine Construction deHavilland midget traditional firm fuselage wooden main structure plywood covering cockpit minimum width partial canopy could entered folding down two sides pic tures make look like no ward visibility quite bad glassed side panels slightly played outwards pilot might look down either side very narrow cowl around upright cylinders La ter enclosed canopy fitted still visibility no worse later high-speed airplanes wings center some con troversy Two sets built least record airplane Standard size 22 6 ones apparently used flights shorter 19-ft set racing wings may have installed probably never flown wings two I-section spars wooden ribs fab ric covering airfoil 8% thick RAF 15 undercamber landing gear formed important part structure Tiger Moth Racer Pairs bracing wires ran front rear spars halfway wing tips wheel hubs tween wheel hubs absorb shock what looks like pretty rigid landing gear bungee cords mounted inside very large wheel bearings Yet cannot help wonder system really good enough rough airfields common 19 20s Specifications two engines flown Tiger Moth Racers Airdisco Cirrus 11301 cu 49 liters 85 hp 2000 rpm rated prob ably turned out maximum 80 hp flight DeHavilland Gipsy319 cu 523 liters 135 hp 2650 rpm bench compression ratio 551 Color schemes two DH7 ls G-EBQUblack nose upper fuselage lettering striping Pale bronze lower fuselage wings tail G-EBRVblack fuselage landing gear racing number striping Clear dope fabric oatmeal color wings tail White racing number fuselage Upper surface wings narrow leading edge stripe tiger stripes rib also horizontal tail ofBQU Basic specifications length 18 7 wing span22 6 wing area long wings76/2 sq ft wheel track3 11 Empty weight 618 lbs gross weight 905 lbs Fuel capacity 20 US gallons last flight deHavilland DH71 1930 Yet today few airplanes aside Formula racers get much speed little power CL Racing/Lee continued page 34 now entries AMA going down around handwriting wall change go like Rat B team Race etc think Jim makes lot sense Two basic ideas first ways competitive flying 1 -oz event second event natural leadin FAT Team Race what about some other lim ited capacity events being flown country know newslet ters get limited-capacity Slow Rat flown Great Southwest AZ CA NM maybe elsewhere people fly think should made Na tional AMA event popular event Would go over given enough exposure Come guys get stick contrib ute What Big Goodyear does compare Formula 40 Goodyear has already proposed RAC whole diatribe might seem like bad case invented showing through hope dont leave impression Limited capacity events fun flew version Slow Rat over five years ago lived Denver limited capacity Two-oz tanks 40s suction two-wheel gear etc ball doing end have pro posed through Racing Advisory Com mittee Class I-Class II breakdown established least several existing events Class would currently flown Class II being tended limited capacity possibly some other version basic rules am experienced types events proposals get through various levels AMA hierarchy out will have contribute expertise get good rules Please dont wait someone else cause probably wont get done 84 Model Aviation MUFF-I-Al RE EXTREMELY COMPACT FULLY ADJUSTABLE NOISE LEVEL AND BACK PRESSURE FOR BETTER PERFORMANCE ADAPTS TO ALL ENGINES FROM 29 TO 60 QUIETER THAN OTHER TYPES OF MUFFLERS UNIVERSAL MUFFLER Designed installation wide variety engines MU-795 uni- $9 versal ultimate looks performance MU-795 No143 ALSO MADE ESPECIALLY FOR OWNERS OF SUPER TIGRE 60 BLUE HEAD ENGINES MU-795ST Fastener Kit ideal way install Du-Bro Universal Mufflaire lete instructions MU-795STNo145 $100 WEBRA 60 R/C ENGINE perfect combination Webra Easiest install MW-750 attaches two hardened steel socket head screws directly thru engine lugs MW-750 No142 $795 ooEL Pp0 oMINI-MUFFLAIRE nes 09 25MM 595No144 $595 PRODUCTS INCORPORATEDum.m 480 Bonner Road Wauconda Illinois 60084 USA LITTLE RAT Early June opportunity go out Midland west Texas AAA contest held event turned out competitive popular called Little Rat Basi cally rules follows 1 Plane must profile construction 2 All controls must externally mounted model 3 Maximum engine size 35 cu 4 No hot gloves allowed 5 60 lines 018 diameter stranded al lowed other rules basic Rat Race rules cover races safety etc What boiled down event designed encourage beginners Rat Race giv ing event fly what old-time Rat fliers learn years ago differ ence between model flew Midland what flying ten years ago 35 rather 40 old Quicky Rat Riley Wooten Skat Rat Carl Goldberg absolutely ideal event evidenced num bers both present. would have call event Midland com plete success Large turn out lots fun cheap easy build planes level performance somewhat intermedi atebetween Slow Fast Rat suggestionas addition rules would assuming intent easily entered non-professional racing event designed attract less skilled entrant some rather restrictive engine regulations placed event GOOD IDEAS didnt work out Once hear somebody trying some thing looks like good idea first just didnt quite work out planned heard last weekend Ill pass now model airplane flier out Abilene TX name Gene Patty oneriest cusses side Pecos takes great delight ing things models differ ent just sake being different Well last weekend Gene showing big scar right knee explaining got seems big idea would attach small Nicad battery pack latest Rat leave bat tery connected time way could go out nothing fuel bottle pit plane cause sorts worry part competitors about new diesel running didnt need battery start Lo behold worked Boy Fired up en gine sent plane its way Plane flies rather good has pilot bring landing time Gene feeling pretty smug look no battery start engine must some hot new diesel 40 Rat Well plane now Genes feet flight ruse obviously successful kneels down front plane con gratulating himself good job new idea casually flips prop over wont Sure enough guessed battery still attached engine fires promptly takes several large bites out Genes leg Well least looked good paper stitches hurt take out Better luck next time Gene W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 October1976 85 Interesting Slow Rat Larry Miller Tank board side counter-weighted Perry carbu retor control fuel pressure change due strange placement Does work Rear rotor ST 35
Edition: Model Aviation - 1976/10
Page Numbers: 34, 84, 85
Racing Below middle El Bandito Scale Racer built Bill Lee waa made according Hirsh 3views powered Rossi 15 Configura tiOn real plane gives model sleek appear ance Tank shaped extend back TE COUPLE columns ago took cou ple good shots some racing events know popular several areas country specifically limited capacity events said effect way go pleaded disagreed write let know off base response underwhelming Two letters came George Caidwell Walkersville MD George supports concept limited capacity events George also member Racing Advisory Commit tee really expected hear RAC members fact RAC generally means hesitant air views will gen erally sit down write necessary mean thats asked part RAC first place Lee erent afraid contribute other letB iN ter beaut Came James Van Sant Penndel PA Let quote some pieces Jims letter First slowing event down intent 1-oz Goodyear give types motors chance just Rossi. diesel also puts much value pit stops plane Goodyear 1 oz came about because event necded lead people Team Race has helped Did know B Team Race first UC racing event patterned after Good year racing full-size B good event bad rules never got changed still flown around world country. thing have done ruin motor lean run shut-off working know lean run hot run starting good must start again blown plug thing have seen happen everyone has flown l-oz version time will go like Glow its easy seems will try diesel looks easy Just watch drone want bet Try fuel Different types tried What kind race planes same motor fuel prop sum up l-oz Goodyear winner event has have planemotor-prop-fuel combo plus pit work flying Sounds like FAT doesnt it true AMA looks same first glance choice very small fact 75 Nats what flown couple different planes motors same except very few didnt stand chance Props Well glass 7/6 cut get right rpm Fuel As much nitro can stand Pit flying same except maybe AMA too fast some takes good flier continued page 84 34 Model Aviation Left This bird new Slow Rat also Bill Lee K&B 35 converted rear rotor Series 71 40 parts date 140-laps 714 Bill Lees Little Rat uses same converted 35 pressure Plane built less week indicating easily can get Little Rat Tiger Moth/Berliner continued page 45 appears have about end public flying two Tiger Moth Racers Cirrus-powered machine used deHavilland another year airframe testing research Gipsy-engined airplane used its originally-intended purposethe flight development testing pow erful engine also seen static dis play air shows during 1928 1929 What greatest importance first production Gipsy engines started coming off assembly lines June 1928 beginning major new phase lightplane history Tens thousands produced succeeding years still-popular Tiger Moth training touring biplanes decades other Brit ish light aircraft Canadian-built Chipmunk trainers original fourcylinder Gipsy expanded Gipsy Six Comet racers deHavilland Dove light transport built US under license US-built DH60 Gipsy Moths sev eral can still seen flying good weather original G-EBRV its 85-hp Cirrus engine retired iA 1928 hung engineless rafters its birthplace taken down briefly 1933 used advertisement coming Kings Cup Race once again tucked away deHavillands Hatfield shops Comet Racers built Fall 1940 long after end Battle Britain lone German Ju-88 slipped through British defenses plastered factory successful raid during war Several workmen killed pro totype DH71 destroyed record-setting G-EBQU shorter life 1930 sold party Australia September year pilot took off practice forthcoming air race engine quit about 150-ft altitude Moth Racer crashed kill ing its pilot neither original Tiger Moths remained front public very long contributed great deal both engine airframe design progress Great Britain partly plan elsewhere deHavilland desigi can traced back 71 DH77 unsuccessful all-metal low wing interceptor similar look ing much larger 330-hp engine giving top speed about 180 mph As still very much era biplane combat roles Royal Air Force turned up its nose such radical idea Yet least man seemed like idea very much Ameri can racing plane designer Benny Howard turned ut very successful light weight low-powered racer bore strong resemblance DH 71 DGA-3 Pete first competed terms much powerful racers 1930 wire-braced low wing upright American-built 319 cu Cirrus engine its windshield faired smoothly rear engine cowl ingall like DH71 no direct evidence Pete actually copied Tiger Moth Racer shape dimensions close enough suggest least strong inspiration Petes wing span halfway between long short wings DH71 its length just 10 less empty weight 50 lbs gross weight mere 5 lbs less performance close Petes best race course speed 170 mph Cirruspowered Tiger Moth about 166 mph Pete once clocked 195 mph straight run DH71 offi cial 187 mph unofficial 204 mph bigger engine Construction deHavilland midget traditional firm fuselage wooden main structure plywood covering cockpit minimum width partial canopy could entered folding down two sides pic tures make look like no ward visibility quite bad glassed side panels slightly played outwards pilot might look down either side very narrow cowl around upright cylinders La ter enclosed canopy fitted still visibility no worse later high-speed airplanes wings center some con troversy Two sets built least record airplane Standard size 22 6 ones apparently used flights shorter 19-ft set racing wings may have installed probably never flown wings two I-section spars wooden ribs fab ric covering airfoil 8% thick RAF 15 undercamber landing gear formed important part structure Tiger Moth Racer Pairs bracing wires ran front rear spars halfway wing tips wheel hubs tween wheel hubs absorb shock what looks like pretty rigid landing gear bungee cords mounted inside very large wheel bearings Yet cannot help wonder system really good enough rough airfields common 19 20s Specifications two engines flown Tiger Moth Racers Airdisco Cirrus 11301 cu 49 liters 85 hp 2000 rpm rated prob ably turned out maximum 80 hp flight DeHavilland Gipsy319 cu 523 liters 135 hp 2650 rpm bench compression ratio 551 Color schemes two DH7 ls G-EBQUblack nose upper fuselage lettering striping Pale bronze lower fuselage wings tail G-EBRVblack fuselage landing gear racing number striping Clear dope fabric oatmeal color wings tail White racing number fuselage Upper surface wings narrow leading edge stripe tiger stripes rib also horizontal tail ofBQU Basic specifications length 18 7 wing span22 6 wing area long wings76/2 sq ft wheel track3 11 Empty weight 618 lbs gross weight 905 lbs Fuel capacity 20 US gallons last flight deHavilland DH71 1930 Yet today few airplanes aside Formula racers get much speed little power CL Racing/Lee continued page 34 now entries AMA going down around handwriting wall change go like Rat B team Race etc think Jim makes lot sense Two basic ideas first ways competitive flying 1 -oz event second event natural leadin FAT Team Race what about some other lim ited capacity events being flown country know newslet ters get limited-capacity Slow Rat flown Great Southwest AZ CA NM maybe elsewhere people fly think should made Na tional AMA event popular event Would go over given enough exposure Come guys get stick contrib ute What Big Goodyear does compare Formula 40 Goodyear has already proposed RAC whole diatribe might seem like bad case invented showing through hope dont leave impression Limited capacity events fun flew version Slow Rat over five years ago lived Denver limited capacity Two-oz tanks 40s suction two-wheel gear etc ball doing end have pro posed through Racing Advisory Com mittee Class I-Class II breakdown established least several existing events Class would currently flown Class II being tended limited capacity possibly some other version basic rules am experienced types events proposals get through various levels AMA hierarchy out will have contribute expertise get good rules Please dont wait someone else cause probably wont get done 84 Model Aviation MUFF-I-Al RE EXTREMELY COMPACT FULLY ADJUSTABLE NOISE LEVEL AND BACK PRESSURE FOR BETTER PERFORMANCE ADAPTS TO ALL ENGINES FROM 29 TO 60 QUIETER THAN OTHER TYPES OF MUFFLERS UNIVERSAL MUFFLER Designed installation wide variety engines MU-795 uni- $9 versal ultimate looks performance MU-795 No143 ALSO MADE ESPECIALLY FOR OWNERS OF SUPER TIGRE 60 BLUE HEAD ENGINES MU-795ST Fastener Kit ideal way install Du-Bro Universal Mufflaire lete instructions MU-795STNo145 $100 WEBRA 60 R/C ENGINE perfect combination Webra Easiest install MW-750 attaches two hardened steel socket head screws directly thru engine lugs MW-750 No142 $795 ooEL Pp0 oMINI-MUFFLAIRE nes 09 25MM 595No144 $595 PRODUCTS INCORPORATEDum.m 480 Bonner Road Wauconda Illinois 60084 USA LITTLE RAT Early June opportunity go out Midland west Texas AAA contest held event turned out competitive popular called Little Rat Basi cally rules follows 1 Plane must profile construction 2 All controls must externally mounted model 3 Maximum engine size 35 cu 4 No hot gloves allowed 5 60 lines 018 diameter stranded al lowed other rules basic Rat Race rules cover races safety etc What boiled down event designed encourage beginners Rat Race giv ing event fly what old-time Rat fliers learn years ago differ ence between model flew Midland what flying ten years ago 35 rather 40 old Quicky Rat Riley Wooten Skat Rat Carl Goldberg absolutely ideal event evidenced num bers both present. would have call event Midland com plete success Large turn out lots fun cheap easy build planes level performance somewhat intermedi atebetween Slow Fast Rat suggestionas addition rules would assuming intent easily entered non-professional racing event designed attract less skilled entrant some rather restrictive engine regulations placed event GOOD IDEAS didnt work out Once hear somebody trying some thing looks like good idea first just didnt quite work out planned heard last weekend Ill pass now model airplane flier out Abilene TX name Gene Patty oneriest cusses side Pecos takes great delight ing things models differ ent just sake being different Well last weekend Gene showing big scar right knee explaining got seems big idea would attach small Nicad battery pack latest Rat leave bat tery connected time way could go out nothing fuel bottle pit plane cause sorts worry part competitors about new diesel running didnt need battery start Lo behold worked Boy Fired up en gine sent plane its way Plane flies rather good has pilot bring landing time Gene feeling pretty smug look no battery start engine must some hot new diesel 40 Rat Well plane now Genes feet flight ruse obviously successful kneels down front plane con gratulating himself good job new idea casually flips prop over wont Sure enough guessed battery still attached engine fires promptly takes several large bites out Genes leg Well least looked good paper stitches hurt take out Better luck next time Gene W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 October1976 85 Interesting Slow Rat Larry Miller Tank board side counter-weighted Perry carbu retor control fuel pressure change due strange placement Does work Rear rotor ST 35