elco W wore some Whats happening Le title Openers fling point issue will talk about betwe relating models designers less hint mystery thei things publisher cruelty read staff cool Whenevet editorials book Viewfr Pompey how seem low key i ation readers phisticated ing didnt article pg 53 el might ha titled C Judge ii time say somet month come Mike Gretz new CL Scale nist picks u handle t Mike Stott see hi -winning latter ver alllists readers hints pictures erything ar4 Schoonard other columi month Pa what bra ou rn models rite c 4 Model Aviation its will u have t Icome too Don ed off ies know understar roach subject s Don known the Stockton-Jehlik dominated US T over decade During 1963 1970 held times European 1967-1969 second cutive World Champiori 1970 feat never dupli ional competition Dor activities include long odeling CL 1946 PAA 1952 CLpeed recori PAl Records co-held ith Bob Lauderdal Bob Scott igine specialists sties fliers value ired enginesnotat recently moved works largest ammunition uing work engi testing new concepts spent competitive will bring readers tion about model p tWe adl fe Big models have always small ones Brad Pov de exolains Reynolds NumI youll irish definition er pass over wing airspeed As spans chords grow larger things get smooth Groovy Haylished Thinkir 77 imprE wax ecstatic appearance because required w readers about t e send pictures ose ot sue magazin ig editors some other uous its abser v have written us chy question MA way noth magazine audier d Pylon mode scores winni arkable Phoenix Winds Mint r plans sky ig weve see iramps mouth wings MA Pt ers somethir dlike ber job May tn beyond er RC may size Korda sense c 5 iile go sport RC racing fraternil iyear free job Ant serious Jumbo othi no cli planes launching overcasts times very low wouldnt know recognizable bubble came through skies tried clear Jeff Mrlik famous Astro-Jeff famous Warren Tiahrt SD-lO0 got highest times day won respective classes Jeff just over 28-minute mark three flights 1933 out possible 2100 point score Tiahrt scored 1576 Second placers nearly 250 points behind both classes day big sailplanes flew better Though clubs arent favor cash prizes contest awards its worth mentioning LOFTs approach annual Cash Bash Twenty percent entry fees goes winner ten percent awarded second third fourth place remaining 50 percent goes club contestants bigger take Conversely attendance low prize money club hasnt stuck out its financial neck table full trophies hardware system has worked four years now Jeff Mrlik won Unlimited class Saturday took two firsts Sun day went back Detroit $62 ahead San Fernando Valley Silent Flyers Blame Rawdon California comes report different kind contest task club put past summer object contest cross measure ment gate highest possible altitude time within allotted time period Three four planes launched simul taneously fly gate pilot declares cross two angle meas urers using sighting devices measure angles normally would time con suming calculation pocket calculator HP-21 used prob lem takes about 15 seconds Altitude measurement parallax method found calculating h THE GATE Bsines*n0 sine0 H 9090 e0 B angle measuring apparatus rather simple device picture will appear column next month Scoring based 1000 points highest altitude flier group others score percentage winner next month about Seattle Washington North West Soaring Societys area contest manager Green Lake Soaring Society Bar bara Barker reports triathalon annual number fliers griping about poor percentages attained flying tri athalon mention enough flying time contests Dave Banks gave what-for amassed 90 minutes two seconds flying time nine rounds flying also reported group Victoria Canada also very much part NWSS recent contests has given troops across border fits also competing against other see will first outside USA LSF level V Barbara also goes say contestant asked put birthdate year entry forms claims snap conclusions indicate Virgos dont fly Capricorns leave early after tiring themselves shagging lines Can see major contest some years now. ome Tenth World Soaring Tournament ras will fly first heat. second. Capricorns will time Scorpiosbut once. now awards hest score Aquariusin two-meter classin Senior Categoryin low biorhythm category. hy manufacturers will doing handstands Dan Pruss Route 2 Box 490 Plainfleld IL 60544 Openers continued page 4 forms modeling steers away mere popular appeal Great RC jobs like Nelitzs Chipmunk Saugers Fairchild may always lead way expect see occasional Speed job Indoor model Rubber job other sup posedly low-appeal types Although ing popular top priority hope like us want re spect Aerodynamics design articles bane staffs existence People forever charging editors neglect doing about black art aerodynamics alas venture some author editor get picked apart formulae hit printed page Now determined virtual Willie Messerschmitt will talk about science flightas applies models Thats rubas applies models modeler writes about design engineers sometimes swoon hys terically vice versa So rubbing rabbits foot manning bar ricades weve decided let Brad Powers have say About Size see pg 8 Brad went work Consolidated San Diego 1939 Since very few bona fide aeronautical engineers found days engineering de partments aircraft companies consist ed largely architects civil engineers electrical engineers geologists pursuing in-plant educational facili ties provided universities able augment education ex tensive programs aeronautical engi neering After three years detail design wing tail structures moved Preliminary Design Group next 10 years played important role development variety projects including B24 B32 B36 B46 bombers supersonic Hust ler Flying boat designs developed dur ing time included R-3y Skate Sea Dart two high-per formance jet-powered seaplanes Pogo delta could fly straight up 14000 ft/min developed result availability 20000 lb thrust turbo-prop engines Other inter esting aircraft included F-102 delta82 Model Aviation Dwight Holley says Call Gene Shelkey determine choice landing zones Gene won call Dwight fiyoff Dave Burt looks diagram below wing fighter later F-106 After war Convair developed model 110 Commercial Transport followed 240 440 880 Development going on Atlas missile under direction wonderful man Karl Bossart 1952 five years before Sputnik speculated payloadthe warheadwere replaced fuel speed 17500 mphor bital speedcould attained might serve booster moon ye... Other members design team included Don Hall designer Spirit St Louis Etienne Dormoy early French designers Anthony Fokkerthe namesake uncle great Dutch designer Ger man WW aircraft 1952 Mr Powers talents ar chitectural illustrator demand Accordingly reluctantly took years leave absence 1952 still After 25 years architectural work still keeps interest aeronautics grandson now both avid model builderswhere Brad gan Whether months Openers has come close too soon us too late reader should clue next month Less weight payload Thats promise R C Helicopters/Schoonard continued page 24 pilot can set will maintain speed no matter much little collective induced facts made sense began develop cams would give constant blade speed servo collective transmitter function long evenings making trying different cams machine checking tailrotor speed tachome ter finally got what wanted gave much better flying helicopter cause better control actually easier fly cams have used Cobras Heli-Babies Bell 212s name great deal success After hard work done simple matter cut out cam 1/16 phenolic lay out pushrods posi tion install collective servo output wheel go fly got could set up bench machine first flew required no adjustments got great deal personal satisfaction soon found no matter described articles very few people could make work ma chines About time Al Irwin sent Tach-Tron try out required another servo some elaborate wiring ad justments did work described Frankly too impressed time because did practically what 10-cent cam did soon took off went back cam However later decided given Tach Tron enough try reinstated Jet Ranger have since flown several other helicopters am now sold would fly collective machine Tach-Tron governor can set blade speed wish can set light ma chine light blades heavy blades senses what doing feeds proper control motor servo keep blade speed constant really great putting along jam collective already set blade speed watch machine perform interested realistic performance smoother easier flying recommend Al Irwins Tach-Tron Royal Electronics Corp 6190 E Evans Avenue Box 22424 Denver CO 80222 phone 303 761-5960 unit can purchased kit form completely assembled ready install Royal can install servo feedback wire motor servo make two versions Tach-Tron recommend governor type controls blade speed collective pitch adds subtracts col lective life cannot see type could used advantage get Tach-Tron sure carefully read instructions installation adjustment As pictures show have installed under swashplate counter mounted aluminum box former #9 Several things would like caution about Because constant blade speed want come out air must have couple degrees negative available Also landing ground take eyes off machine have left blade speed high cyclic control gust wind could upset pride joy took little getting used nearly let upset gusty day taught hard quick lesson fly single stick helicopters have relocated channel control lever can collective Tach-Tron functions same hand Tach-Tron order blank vital part ordering unit blank asks some very pertinent questions must answered can set up unit properly blank can obtained writing Royal address above Second Annual East Coast Championships Several contestants arrived Saturday August 13 day before contest some practice flying beautiful Thompson Park contest site 500 X 1500 feet nicely groomed grass Among early birds Ernie Huber five-time AMA RC Helicopter National Cham pion Ernie flying fIughs 500 Jet Ranger mechanics machine similar ones flew upcoming Holly wood movie Ernie put show us spellbound did couple rolls loops tried another 1oop didnt come off just right ma chine tumbled good 100 feet ever regained control ma chine pulled out engine groan ing will never know did made look easy boot Another well-known chopper pilot beautifully scratchbuilt machines Faye Peoples put very nice show including specialty maneuver known stall turn two 360s Thats 900 degrees case lost count Spec tacular Faye has probably established some kind reliability record now day contest little no wind rains came won der managed complete full round competition en couraging see increase participa tion 25 versus 19 last year total entries Moreover no crashes fly ing skills observed year dramat ic improvement over last year 16 entries Novice 6 entries Intermediate 3 entries Expert numbers compare 14 1 4 Novice Intermediate Expert classes last years contest Thus can seen some pilots graduat ing next higher class variety machines flown 7 Jet Rangers 5 Revolutions 4 Heli babies 3 Alouettes 2 Sharks 1 Hughes 500 Alouette mechanics 1 Hughes 500 Jet Ranger mechanics 2 scratchbuilts majority powered Schnuerle-type engines special thanks due members Monmouth Model Airplane Club able willing help run con test winners C Sjobeck Novice T Kneer Intermediate E Huber Expert turn page 84 Model Aviation has elaborate main rotor control systems Seen Gene Rocks ma chine flown East Coast Champs Phillips pic
Edition: Model Aviation - 1978/01
Page Numbers: 4, 82, 84
elco W wore some Whats happening Le title Openers fling point issue will talk about betwe relating models designers less hint mystery thei things publisher cruelty read staff cool Whenevet editorials book Viewfr Pompey how seem low key i ation readers phisticated ing didnt article pg 53 el might ha titled C Judge ii time say somet month come Mike Gretz new CL Scale nist picks u handle t Mike Stott see hi -winning latter ver alllists readers hints pictures erything ar4 Schoonard other columi month Pa what bra ou rn models rite c 4 Model Aviation its will u have t Icome too Don ed off ies know understar roach subject s Don known the Stockton-Jehlik dominated US T over decade During 1963 1970 held times European 1967-1969 second cutive World Champiori 1970 feat never dupli ional competition Dor activities include long odeling CL 1946 PAA 1952 CLpeed recori PAl Records co-held ith Bob Lauderdal Bob Scott igine specialists sties fliers value ired enginesnotat recently moved works largest ammunition uing work engi testing new concepts spent competitive will bring readers tion about model p tWe adl fe Big models have always small ones Brad Pov de exolains Reynolds NumI youll irish definition er pass over wing airspeed As spans chords grow larger things get smooth Groovy Haylished Thinkir 77 imprE wax ecstatic appearance because required w readers about t e send pictures ose ot sue magazin ig editors some other uous its abser v have written us chy question MA way noth magazine audier d Pylon mode scores winni arkable Phoenix Winds Mint r plans sky ig weve see iramps mouth wings MA Pt ers somethir dlike ber job May tn beyond er RC may size Korda sense c 5 iile go sport RC racing fraternil iyear free job Ant serious Jumbo othi no cli planes launching overcasts times very low wouldnt know recognizable bubble came through skies tried clear Jeff Mrlik famous Astro-Jeff famous Warren Tiahrt SD-lO0 got highest times day won respective classes Jeff just over 28-minute mark three flights 1933 out possible 2100 point score Tiahrt scored 1576 Second placers nearly 250 points behind both classes day big sailplanes flew better Though clubs arent favor cash prizes contest awards its worth mentioning LOFTs approach annual Cash Bash Twenty percent entry fees goes winner ten percent awarded second third fourth place remaining 50 percent goes club contestants bigger take Conversely attendance low prize money club hasnt stuck out its financial neck table full trophies hardware system has worked four years now Jeff Mrlik won Unlimited class Saturday took two firsts Sun day went back Detroit $62 ahead San Fernando Valley Silent Flyers Blame Rawdon California comes report different kind contest task club put past summer object contest cross measure ment gate highest possible altitude time within allotted time period Three four planes launched simul taneously fly gate pilot declares cross two angle meas urers using sighting devices measure angles normally would time con suming calculation pocket calculator HP-21 used prob lem takes about 15 seconds Altitude measurement parallax method found calculating h THE GATE Bsines*n0 sine0 H 9090 e0 B angle measuring apparatus rather simple device picture will appear column next month Scoring based 1000 points highest altitude flier group others score percentage winner next month about Seattle Washington North West Soaring Societys area contest manager Green Lake Soaring Society Bar bara Barker reports triathalon annual number fliers griping about poor percentages attained flying tri athalon mention enough flying time contests Dave Banks gave what-for amassed 90 minutes two seconds flying time nine rounds flying also reported group Victoria Canada also very much part NWSS recent contests has given troops across border fits also competing against other see will first outside USA LSF level V Barbara also goes say contestant asked put birthdate year entry forms claims snap conclusions indicate Virgos dont fly Capricorns leave early after tiring themselves shagging lines Can see major contest some years now. ome Tenth World Soaring Tournament ras will fly first heat. second. Capricorns will time Scorpiosbut once. now awards hest score Aquariusin two-meter classin Senior Categoryin low biorhythm category. hy manufacturers will doing handstands Dan Pruss Route 2 Box 490 Plainfleld IL 60544 Openers continued page 4 forms modeling steers away mere popular appeal Great RC jobs like Nelitzs Chipmunk Saugers Fairchild may always lead way expect see occasional Speed job Indoor model Rubber job other sup posedly low-appeal types Although ing popular top priority hope like us want re spect Aerodynamics design articles bane staffs existence People forever charging editors neglect doing about black art aerodynamics alas venture some author editor get picked apart formulae hit printed page Now determined virtual Willie Messerschmitt will talk about science flightas applies models Thats rubas applies models modeler writes about design engineers sometimes swoon hys terically vice versa So rubbing rabbits foot manning bar ricades weve decided let Brad Powers have say About Size see pg 8 Brad went work Consolidated San Diego 1939 Since very few bona fide aeronautical engineers found days engineering de partments aircraft companies consist ed largely architects civil engineers electrical engineers geologists pursuing in-plant educational facili ties provided universities able augment education ex tensive programs aeronautical engi neering After three years detail design wing tail structures moved Preliminary Design Group next 10 years played important role development variety projects including B24 B32 B36 B46 bombers supersonic Hust ler Flying boat designs developed dur ing time included R-3y Skate Sea Dart two high-per formance jet-powered seaplanes Pogo delta could fly straight up 14000 ft/min developed result availability 20000 lb thrust turbo-prop engines Other inter esting aircraft included F-102 delta82 Model Aviation Dwight Holley says Call Gene Shelkey determine choice landing zones Gene won call Dwight fiyoff Dave Burt looks diagram below wing fighter later F-106 After war Convair developed model 110 Commercial Transport followed 240 440 880 Development going on Atlas missile under direction wonderful man Karl Bossart 1952 five years before Sputnik speculated payloadthe warheadwere replaced fuel speed 17500 mphor bital speedcould attained might serve booster moon ye... Other members design team included Don Hall designer Spirit St Louis Etienne Dormoy early French designers Anthony Fokkerthe namesake uncle great Dutch designer Ger man WW aircraft 1952 Mr Powers talents ar chitectural illustrator demand Accordingly reluctantly took years leave absence 1952 still After 25 years architectural work still keeps interest aeronautics grandson now both avid model builderswhere Brad gan Whether months Openers has come close too soon us too late reader should clue next month Less weight payload Thats promise R C Helicopters/Schoonard continued page 24 pilot can set will maintain speed no matter much little collective induced facts made sense began develop cams would give constant blade speed servo collective transmitter function long evenings making trying different cams machine checking tailrotor speed tachome ter finally got what wanted gave much better flying helicopter cause better control actually easier fly cams have used Cobras Heli-Babies Bell 212s name great deal success After hard work done simple matter cut out cam 1/16 phenolic lay out pushrods posi tion install collective servo output wheel go fly got could set up bench machine first flew required no adjustments got great deal personal satisfaction soon found no matter described articles very few people could make work ma chines About time Al Irwin sent Tach-Tron try out required another servo some elaborate wiring ad justments did work described Frankly too impressed time because did practically what 10-cent cam did soon took off went back cam However later decided given Tach Tron enough try reinstated Jet Ranger have since flown several other helicopters am now sold would fly collective machine Tach-Tron governor can set blade speed wish can set light ma chine light blades heavy blades senses what doing feeds proper control motor servo keep blade speed constant really great putting along jam collective already set blade speed watch machine perform interested realistic performance smoother easier flying recommend Al Irwins Tach-Tron Royal Electronics Corp 6190 E Evans Avenue Box 22424 Denver CO 80222 phone 303 761-5960 unit can purchased kit form completely assembled ready install Royal can install servo feedback wire motor servo make two versions Tach-Tron recommend governor type controls blade speed collective pitch adds subtracts col lective life cannot see type could used advantage get Tach-Tron sure carefully read instructions installation adjustment As pictures show have installed under swashplate counter mounted aluminum box former #9 Several things would like caution about Because constant blade speed want come out air must have couple degrees negative available Also landing ground take eyes off machine have left blade speed high cyclic control gust wind could upset pride joy took little getting used nearly let upset gusty day taught hard quick lesson fly single stick helicopters have relocated channel control lever can collective Tach-Tron functions same hand Tach-Tron order blank vital part ordering unit blank asks some very pertinent questions must answered can set up unit properly blank can obtained writing Royal address above Second Annual East Coast Championships Several contestants arrived Saturday August 13 day before contest some practice flying beautiful Thompson Park contest site 500 X 1500 feet nicely groomed grass Among early birds Ernie Huber five-time AMA RC Helicopter National Cham pion Ernie flying fIughs 500 Jet Ranger mechanics machine similar ones flew upcoming Holly wood movie Ernie put show us spellbound did couple rolls loops tried another 1oop didnt come off just right ma chine tumbled good 100 feet ever regained control ma chine pulled out engine groan ing will never know did made look easy boot Another well-known chopper pilot beautifully scratchbuilt machines Faye Peoples put very nice show including specialty maneuver known stall turn two 360s Thats 900 degrees case lost count Spec tacular Faye has probably established some kind reliability record now day contest little no wind rains came won der managed complete full round competition en couraging see increase participa tion 25 versus 19 last year total entries Moreover no crashes fly ing skills observed year dramat ic improvement over last year 16 entries Novice 6 entries Intermediate 3 entries Expert numbers compare 14 1 4 Novice Intermediate Expert classes last years contest Thus can seen some pilots graduat ing next higher class variety machines flown 7 Jet Rangers 5 Revolutions 4 Heli babies 3 Alouettes 2 Sharks 1 Hughes 500 Alouette mechanics 1 Hughes 500 Jet Ranger mechanics 2 scratchbuilts majority powered Schnuerle-type engines special thanks due members Monmouth Model Airplane Club able willing help run con test winners C Sjobeck Novice T Kneer Intermediate E Huber Expert turn page 84 Model Aviation has elaborate main rotor control systems Seen Gene Rocks ma chine flown East Coast Champs Phillips pic
Edition: Model Aviation - 1978/01
Page Numbers: 4, 82, 84
elco W wore some Whats happening Le title Openers fling point issue will talk about betwe relating models designers less hint mystery thei things publisher cruelty read staff cool Whenevet editorials book Viewfr Pompey how seem low key i ation readers phisticated ing didnt article pg 53 el might ha titled C Judge ii time say somet month come Mike Gretz new CL Scale nist picks u handle t Mike Stott see hi -winning latter ver alllists readers hints pictures erything ar4 Schoonard other columi month Pa what bra ou rn models rite c 4 Model Aviation its will u have t Icome too Don ed off ies know understar roach subject s Don known the Stockton-Jehlik dominated US T over decade During 1963 1970 held times European 1967-1969 second cutive World Champiori 1970 feat never dupli ional competition Dor activities include long odeling CL 1946 PAA 1952 CLpeed recori PAl Records co-held ith Bob Lauderdal Bob Scott igine specialists sties fliers value ired enginesnotat recently moved works largest ammunition uing work engi testing new concepts spent competitive will bring readers tion about model p tWe adl fe Big models have always small ones Brad Pov de exolains Reynolds NumI youll irish definition er pass over wing airspeed As spans chords grow larger things get smooth Groovy Haylished Thinkir 77 imprE wax ecstatic appearance because required w readers about t e send pictures ose ot sue magazin ig editors some other uous its abser v have written us chy question MA way noth magazine audier d Pylon mode scores winni arkable Phoenix Winds Mint r plans sky ig weve see iramps mouth wings MA Pt ers somethir dlike ber job May tn beyond er RC may size Korda sense c 5 iile go sport RC racing fraternil iyear free job Ant serious Jumbo othi no cli planes launching overcasts times very low wouldnt know recognizable bubble came through skies tried clear Jeff Mrlik famous Astro-Jeff famous Warren Tiahrt SD-lO0 got highest times day won respective classes Jeff just over 28-minute mark three flights 1933 out possible 2100 point score Tiahrt scored 1576 Second placers nearly 250 points behind both classes day big sailplanes flew better Though clubs arent favor cash prizes contest awards its worth mentioning LOFTs approach annual Cash Bash Twenty percent entry fees goes winner ten percent awarded second third fourth place remaining 50 percent goes club contestants bigger take Conversely attendance low prize money club hasnt stuck out its financial neck table full trophies hardware system has worked four years now Jeff Mrlik won Unlimited class Saturday took two firsts Sun day went back Detroit $62 ahead San Fernando Valley Silent Flyers Blame Rawdon California comes report different kind contest task club put past summer object contest cross measure ment gate highest possible altitude time within allotted time period Three four planes launched simul taneously fly gate pilot declares cross two angle meas urers using sighting devices measure angles normally would time con suming calculation pocket calculator HP-21 used prob lem takes about 15 seconds Altitude measurement parallax method found calculating h THE GATE Bsines*n0 sine0 H 9090 e0 B angle measuring apparatus rather simple device picture will appear column next month Scoring based 1000 points highest altitude flier group others score percentage winner next month about Seattle Washington North West Soaring Societys area contest manager Green Lake Soaring Society Bar bara Barker reports triathalon annual number fliers griping about poor percentages attained flying tri athalon mention enough flying time contests Dave Banks gave what-for amassed 90 minutes two seconds flying time nine rounds flying also reported group Victoria Canada also very much part NWSS recent contests has given troops across border fits also competing against other see will first outside USA LSF level V Barbara also goes say contestant asked put birthdate year entry forms claims snap conclusions indicate Virgos dont fly Capricorns leave early after tiring themselves shagging lines Can see major contest some years now. ome Tenth World Soaring Tournament ras will fly first heat. second. Capricorns will time Scorpiosbut once. now awards hest score Aquariusin two-meter classin Senior Categoryin low biorhythm category. hy manufacturers will doing handstands Dan Pruss Route 2 Box 490 Plainfleld IL 60544 Openers continued page 4 forms modeling steers away mere popular appeal Great RC jobs like Nelitzs Chipmunk Saugers Fairchild may always lead way expect see occasional Speed job Indoor model Rubber job other sup posedly low-appeal types Although ing popular top priority hope like us want re spect Aerodynamics design articles bane staffs existence People forever charging editors neglect doing about black art aerodynamics alas venture some author editor get picked apart formulae hit printed page Now determined virtual Willie Messerschmitt will talk about science flightas applies models Thats rubas applies models modeler writes about design engineers sometimes swoon hys terically vice versa So rubbing rabbits foot manning bar ricades weve decided let Brad Powers have say About Size see pg 8 Brad went work Consolidated San Diego 1939 Since very few bona fide aeronautical engineers found days engineering de partments aircraft companies consist ed largely architects civil engineers electrical engineers geologists pursuing in-plant educational facili ties provided universities able augment education ex tensive programs aeronautical engi neering After three years detail design wing tail structures moved Preliminary Design Group next 10 years played important role development variety projects including B24 B32 B36 B46 bombers supersonic Hust ler Flying boat designs developed dur ing time included R-3y Skate Sea Dart two high-per formance jet-powered seaplanes Pogo delta could fly straight up 14000 ft/min developed result availability 20000 lb thrust turbo-prop engines Other inter esting aircraft included F-102 delta82 Model Aviation Dwight Holley says Call Gene Shelkey determine choice landing zones Gene won call Dwight fiyoff Dave Burt looks diagram below wing fighter later F-106 After war Convair developed model 110 Commercial Transport followed 240 440 880 Development going on Atlas missile under direction wonderful man Karl Bossart 1952 five years before Sputnik speculated payloadthe warheadwere replaced fuel speed 17500 mphor bital speedcould attained might serve booster moon ye... Other members design team included Don Hall designer Spirit St Louis Etienne Dormoy early French designers Anthony Fokkerthe namesake uncle great Dutch designer Ger man WW aircraft 1952 Mr Powers talents ar chitectural illustrator demand Accordingly reluctantly took years leave absence 1952 still After 25 years architectural work still keeps interest aeronautics grandson now both avid model builderswhere Brad gan Whether months Openers has come close too soon us too late reader should clue next month Less weight payload Thats promise R C Helicopters/Schoonard continued page 24 pilot can set will maintain speed no matter much little collective induced facts made sense began develop cams would give constant blade speed servo collective transmitter function long evenings making trying different cams machine checking tailrotor speed tachome ter finally got what wanted gave much better flying helicopter cause better control actually easier fly cams have used Cobras Heli-Babies Bell 212s name great deal success After hard work done simple matter cut out cam 1/16 phenolic lay out pushrods posi tion install collective servo output wheel go fly got could set up bench machine first flew required no adjustments got great deal personal satisfaction soon found no matter described articles very few people could make work ma chines About time Al Irwin sent Tach-Tron try out required another servo some elaborate wiring ad justments did work described Frankly too impressed time because did practically what 10-cent cam did soon took off went back cam However later decided given Tach Tron enough try reinstated Jet Ranger have since flown several other helicopters am now sold would fly collective machine Tach-Tron governor can set blade speed wish can set light ma chine light blades heavy blades senses what doing feeds proper control motor servo keep blade speed constant really great putting along jam collective already set blade speed watch machine perform interested realistic performance smoother easier flying recommend Al Irwins Tach-Tron Royal Electronics Corp 6190 E Evans Avenue Box 22424 Denver CO 80222 phone 303 761-5960 unit can purchased kit form completely assembled ready install Royal can install servo feedback wire motor servo make two versions Tach-Tron recommend governor type controls blade speed collective pitch adds subtracts col lective life cannot see type could used advantage get Tach-Tron sure carefully read instructions installation adjustment As pictures show have installed under swashplate counter mounted aluminum box former #9 Several things would like caution about Because constant blade speed want come out air must have couple degrees negative available Also landing ground take eyes off machine have left blade speed high cyclic control gust wind could upset pride joy took little getting used nearly let upset gusty day taught hard quick lesson fly single stick helicopters have relocated channel control lever can collective Tach-Tron functions same hand Tach-Tron order blank vital part ordering unit blank asks some very pertinent questions must answered can set up unit properly blank can obtained writing Royal address above Second Annual East Coast Championships Several contestants arrived Saturday August 13 day before contest some practice flying beautiful Thompson Park contest site 500 X 1500 feet nicely groomed grass Among early birds Ernie Huber five-time AMA RC Helicopter National Cham pion Ernie flying fIughs 500 Jet Ranger mechanics machine similar ones flew upcoming Holly wood movie Ernie put show us spellbound did couple rolls loops tried another 1oop didnt come off just right ma chine tumbled good 100 feet ever regained control ma chine pulled out engine groan ing will never know did made look easy boot Another well-known chopper pilot beautifully scratchbuilt machines Faye Peoples put very nice show including specialty maneuver known stall turn two 360s Thats 900 degrees case lost count Spec tacular Faye has probably established some kind reliability record now day contest little no wind rains came won der managed complete full round competition en couraging see increase participa tion 25 versus 19 last year total entries Moreover no crashes fly ing skills observed year dramat ic improvement over last year 16 entries Novice 6 entries Intermediate 3 entries Expert numbers compare 14 1 4 Novice Intermediate Expert classes last years contest Thus can seen some pilots graduat ing next higher class variety machines flown 7 Jet Rangers 5 Revolutions 4 Heli babies 3 Alouettes 2 Sharks 1 Hughes 500 Alouette mechanics 1 Hughes 500 Jet Ranger mechanics 2 scratchbuilts majority powered Schnuerle-type engines special thanks due members Monmouth Model Airplane Club able willing help run con test winners C Sjobeck Novice T Kneer Intermediate E Huber Expert turn page 84 Model Aviation has elaborate main rotor control systems Seen Gene Rocks ma chine flown East Coast Champs Phillips pic