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Control Line: Speed

Author: G. Lee


Edition: Model Aviation - 1999/09
Page Numbers: 144, 145

CONTROL LINE SPEED U IN THE high-nitromethane fuel days 200 Mph Club consisted of Speed fliers flown 200 mph faster class rule change 10% nitro fuel no has achieved speed except Fogg-Brown Team hit 200 D no backup flight record expected Class D record faster 200 mph summer didnt take long Ned Morris took OS 65-powered Indy Sixty airplane out California contest March 14 told people beforehand going 202 mph However Ned got sick before contest picked up vicious flu hug bad case food poisoning ended up sitting motel room Joey Mathison gave Lennie Waltemath Lennies girlfriend Arlyn Valentine crash course starting beast entered Sin City Speed Team since Joey Las Vegas needle little off first flight model turned 185 little tweaking went up again official time 20194 mph set record must back up new speed another flight within five mph get three additional attempts unless previous official flight meets necessary criteria Ten minutes later went up again everyone field watching stopwatches out backup flight official 20172 Poor old Ned wasnt see Ned builds very good airplanes light strong uses balsa plywood core elliptical-shaped wing stabilizer two layers fiberglass cloth covering carbon-fiber fuselages own mold Arpinos magnesium half-pans Neds Class D model wingspan 28 inches weighed 40 ounces An 8125-inch-diameter Al Kelly fiberglass propeller progressive pitch 10-11 /2 inches tip used record flight Ned reworked OS 65 engine did everything possible internally make go faster says turns 28000 rpm 202 mph Neds next effort will attempt Formula 40 record might too Flying Lines: Safety rules Control Line Speed specify load limits categories exceed certain maximum speeds have increase line sizes pull-tests Class D have go 033-inch-diameter wire record reaches 20318 faster Class B conversion speed 19521 Class 19169 Jet 19521 Formula 4Ois 18073 Speeds getting close some classes bigger lines will needed continue increase predict Class B Jet will exceed limits soon Groupers flying lines create great deal drag modelers have looked ways eliminate least decrease Some guys have tried find airfoil-shaped wire flying two wires drag would greatly reduced held wire behind close other Arnie Nelson Speed World Champion 1970 first person know tried device hold wires together aligned buncher small metal tab fastened wires near airplane predicted others would use such devices thereafter Bob Spahr came up groupers slid short pieces stainless-steel tubing onto trailing line stuck front line tubing pieces tape extended out behind wires tab kept alignment airflow kept line behind other tabs spaced along wires US Speed Team members Bob Chuck Schuette making new grouper lines Italy before World Championships Italian team saw copied beat Bob contest Dick Kulaas Wenatchee WA wrote asked AMA prohibits groupers Several fliers tried years ago great success AT Wright turned 200 mph Class D problem groupers put monoline disadvantage Monoline safer two lines because under certain conditions such overcontrol flying load could put wire two-line system smaller wire required two-line control overstressed Grouper wires also hassle make difficult keep good condition enough fliers objected rule passed ban can still use groupers world record attempts have England might allowed competition dont know sure Weather Factors Dick Kulaas asked variations climatic atmospheric conditions affect engine performance standard 10% nitro fuel wondered head clearance propeller size also make difference Usually better weather faster models go Ned Morris carries electronic weather station contest has readings important air densitya combination several factors such humidity pressure temperature big car racers use device tune cars engines An engines power output increased high barometric pressure performance sea level better 144 Model Aviation City Speed Team L-R Arlyn Valentine Joey Mathison Lennie Waltemath set 20194 mph Class D record Ned Morriss model Waltemath photos performance higher elevations Fliers Denver have much lower performance because mile-high site Radio Control fliers can compensate adding nitro fuel get oxygen engines Speed fliers cant rule restricting nitro maximum 10% Humidity temperature also change situation power output depends mass gas can put through engine Water molecules weigh much less oxygen nitrogen cool air denser hot air Speed fliers havent put NASCAR chip engines yet people talking about could run fly engine plug computer see change things such compression sleeve timing intake timing head clearance etc Head clearance same compression ratio distance top piston glow plug important Squish band clearance usually has increased hot humid days have select propeller diameter pitch suit power have obtained Old Speed fliers know some lore some never learn kinds things want get serious meanwhile rest us will flying having fun Flying Season Its finally almost nice enough go flying being first part May Im trying get new Jet builta sidewinder type almost aluminum new head engine have built special Jet heads before some wouldnt run dont know much about what 1 try pure conjecture doesnt run Ill put different engine airplane picked up NovaRossi 21 swap shop course hop up few things make NovaRossis run better faster ground out center hole crankshaft 030 off-center help balance shaft reduce load bearings inspected sleeve very carefully lapped out scuff marks sidewalls gives little clearance piston careful lap sealing area top stroke because engines dont go compression new head will take Nelson Gb-Bee type insert plug found newer backplate has steel plate connecting rod rubs about does month Beware swarf ffinger William L Bill Effinger perhaps best known modelers founder president Berkeley Models died congestive heart failure May 23 81 quiet always forthcoming seemed care very much about plans designed said son-inlaw Peter Davidson Effinger founded Berkeley 1933 means finance college education produced first gas model kit Buccaneer 1935 company produced two million kits before closed early 1960s later years Effinger operated WE Technical Services offered Plan n Pattern sets of old Berkeley designs Georgia home following 1979 move Brooklyn New York World War aircraft particular favorite Perhaps liked because beginning way widow Jean told Harry Thomas Atlanta Constitution think World War planes really became important Effinger member AMA Model Aviation Hall Fame National Free Flight Society Hall Fame Effinger also 1952 recipient famous Walt Billett Loving Cup now display AMA Museum honor outstanding contributions awards meets Academy meet officials Other surviving family members include son three daughters nine grandchildren Memorial contributions may made American Diabetes Association Corporate Square Suite 127 Atlanta GA 30329 September1999 145 Ie0 111 mu-i [1 ] f-i4J ~CHOBBIESFUN-BATARF Incredibly simple no frills affordability 37 span Fun-Bat gets combat flying fast Open box find 10 pieces put together including etrical foamboard wing carbon fiberOKLY boom Great club combat plane Call special deals B pack combos w/Magnum XL 15 major credit cards accepted Order 800-309-8314 412-795-9344 412-798-9857 J & C HOBBIES OX 17068 SBURGH PA 15235

Author: G. Lee


Edition: Model Aviation - 1999/09
Page Numbers: 144, 145

CONTROL LINE SPEED U IN THE high-nitromethane fuel days 200 Mph Club consisted of Speed fliers flown 200 mph faster class rule change 10% nitro fuel no has achieved speed except Fogg-Brown Team hit 200 D no backup flight record expected Class D record faster 200 mph summer didnt take long Ned Morris took OS 65-powered Indy Sixty airplane out California contest March 14 told people beforehand going 202 mph However Ned got sick before contest picked up vicious flu hug bad case food poisoning ended up sitting motel room Joey Mathison gave Lennie Waltemath Lennies girlfriend Arlyn Valentine crash course starting beast entered Sin City Speed Team since Joey Las Vegas needle little off first flight model turned 185 little tweaking went up again official time 20194 mph set record must back up new speed another flight within five mph get three additional attempts unless previous official flight meets necessary criteria Ten minutes later went up again everyone field watching stopwatches out backup flight official 20172 Poor old Ned wasnt see Ned builds very good airplanes light strong uses balsa plywood core elliptical-shaped wing stabilizer two layers fiberglass cloth covering carbon-fiber fuselages own mold Arpinos magnesium half-pans Neds Class D model wingspan 28 inches weighed 40 ounces An 8125-inch-diameter Al Kelly fiberglass propeller progressive pitch 10-11 /2 inches tip used record flight Ned reworked OS 65 engine did everything possible internally make go faster says turns 28000 rpm 202 mph Neds next effort will attempt Formula 40 record might too Flying Lines: Safety rules Control Line Speed specify load limits categories exceed certain maximum speeds have increase line sizes pull-tests Class D have go 033-inch-diameter wire record reaches 20318 faster Class B conversion speed 19521 Class 19169 Jet 19521 Formula 4Ois 18073 Speeds getting close some classes bigger lines will needed continue increase predict Class B Jet will exceed limits soon Groupers flying lines create great deal drag modelers have looked ways eliminate least decrease Some guys have tried find airfoil-shaped wire flying two wires drag would greatly reduced held wire behind close other Arnie Nelson Speed World Champion 1970 first person know tried device hold wires together aligned buncher small metal tab fastened wires near airplane predicted others would use such devices thereafter Bob Spahr came up groupers slid short pieces stainless-steel tubing onto trailing line stuck front line tubing pieces tape extended out behind wires tab kept alignment airflow kept line behind other tabs spaced along wires US Speed Team members Bob Chuck Schuette making new grouper lines Italy before World Championships Italian team saw copied beat Bob contest Dick Kulaas Wenatchee WA wrote asked AMA prohibits groupers Several fliers tried years ago great success AT Wright turned 200 mph Class D problem groupers put monoline disadvantage Monoline safer two lines because under certain conditions such overcontrol flying load could put wire two-line system smaller wire required two-line control overstressed Grouper wires also hassle make difficult keep good condition enough fliers objected rule passed ban can still use groupers world record attempts have England might allowed competition dont know sure Weather Factors Dick Kulaas asked variations climatic atmospheric conditions affect engine performance standard 10% nitro fuel wondered head clearance propeller size also make difference Usually better weather faster models go Ned Morris carries electronic weather station contest has readings important air densitya combination several factors such humidity pressure temperature big car racers use device tune cars engines An engines power output increased high barometric pressure performance sea level better 144 Model Aviation City Speed Team L-R Arlyn Valentine Joey Mathison Lennie Waltemath set 20194 mph Class D record Ned Morriss model Waltemath photos performance higher elevations Fliers Denver have much lower performance because mile-high site Radio Control fliers can compensate adding nitro fuel get oxygen engines Speed fliers cant rule restricting nitro maximum 10% Humidity temperature also change situation power output depends mass gas can put through engine Water molecules weigh much less oxygen nitrogen cool air denser hot air Speed fliers havent put NASCAR chip engines yet people talking about could run fly engine plug computer see change things such compression sleeve timing intake timing head clearance etc Head clearance same compression ratio distance top piston glow plug important Squish band clearance usually has increased hot humid days have select propeller diameter pitch suit power have obtained Old Speed fliers know some lore some never learn kinds things want get serious meanwhile rest us will flying having fun Flying Season Its finally almost nice enough go flying being first part May Im trying get new Jet builta sidewinder type almost aluminum new head engine have built special Jet heads before some wouldnt run dont know much about what 1 try pure conjecture doesnt run Ill put different engine airplane picked up NovaRossi 21 swap shop course hop up few things make NovaRossis run better faster ground out center hole crankshaft 030 off-center help balance shaft reduce load bearings inspected sleeve very carefully lapped out scuff marks sidewalls gives little clearance piston careful lap sealing area top stroke because engines dont go compression new head will take Nelson Gb-Bee type insert plug found newer backplate has steel plate connecting rod rubs about does month Beware swarf ffinger William L Bill Effinger perhaps best known modelers founder president Berkeley Models died congestive heart failure May 23 81 quiet always forthcoming seemed care very much about plans designed said son-inlaw Peter Davidson Effinger founded Berkeley 1933 means finance college education produced first gas model kit Buccaneer 1935 company produced two million kits before closed early 1960s later years Effinger operated WE Technical Services offered Plan n Pattern sets of old Berkeley designs Georgia home following 1979 move Brooklyn New York World War aircraft particular favorite Perhaps liked because beginning way widow Jean told Harry Thomas Atlanta Constitution think World War planes really became important Effinger member AMA Model Aviation Hall Fame National Free Flight Society Hall Fame Effinger also 1952 recipient famous Walt Billett Loving Cup now display AMA Museum honor outstanding contributions awards meets Academy meet officials Other surviving family members include son three daughters nine grandchildren Memorial contributions may made American Diabetes Association Corporate Square Suite 127 Atlanta GA 30329 September1999 145 Ie0 111 mu-i [1 ] f-i4J ~CHOBBIESFUN-BATARF Incredibly simple no frills affordability 37 span Fun-Bat gets combat flying fast Open box find 10 pieces put together including etrical foamboard wing carbon fiberOKLY boom Great club combat plane Call special deals B pack combos w/Magnum XL 15 major credit cards accepted Order 800-309-8314 412-795-9344 412-798-9857 J & C HOBBIES OX 17068 SBURGH PA 15235

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