Control Line Aerobatics Wynn Paul BOB HUNT new World Champion Precision Aerobatics using equipment consisted some old tried true components couple brand new items First lets look airplane Bobs now famous Genesis designs 60-in foam wing about 720 sq inches airfoil 18% root going 20% tips Equal panels two-inch Max engine just two days before leaving World Champs could get HP-40s hold up des peration took Max 40 out box bolted replacement venturi RC carburetor went flying Bob claims Max has horsepower ST 46 docile enough good stunt engine plenty muscle wood three-blade prop Bob made up worthy some detail Firstly prototypes prop have used Bob Keith Trostle Frank McMillan few other New Jersey stunt fliers ap pears have loads line tension Espe cially places need says Frank McMillan prop made using three blades Rev-up 12-6 props spliced together epoxy nine flat head machine screws bolt up two hubs blades cut down 115 125 in some cases blades have trimmed little narrower oper ation novice especially since talking about whirring prop blades 8000-10000 rpm Some eastern stunt fliers using Max 40 FSRs Max 45s Both engines come RC carbs stunt venturis must substituted Ven turis can obtained Control Spe cialties Company Bob Hunt Cus tom Master Products Gene Martine venturi old Max Stunt 40 can used can found Supposedly World Engines has venturis stock needle valve Supertigre B-19/2/ 5 ST 60 believe can used little fitting props try RevContinued page 106 leading-edge sweep ounce tip weight Bob used equal span partial flaps 2375 inches length Genesis usual large stab elevator 30 span 35 root chord both 250 chord tips moment arms measured 1050-inch root wing chord 10 inches front 16 rear Just may unfamiliar terminology has become somewhat standard means ten inches rear spinner leading edge wing measured fuselage side 16 inches distance measured trailing edge wing trailing edge stabilizer Other components Fox 15-volt idle bar plug own 575-oz uniflow tank muffler pressure off own muf fler solid 015 lines 615 feet long CSC Tru-Just handle finish epoxy base glue Sig topcoat paint two brand new components World Champion combination Max 40 FSR engine coupled home made three-bladed propeller Bob switched December 1 978 39 quarea ups ana sumigni lines characterize Paul Fewells Kona has 60-in foam wing Supertigre 46 engine weighs 58 ounces Ted Fancher nia original Ultation TOOK secona place Open stunt 1978 Nats I-beam builtun wina ST 4652 oz Paul photo resulspariing alunler raaul y i. irmany powerplant Supertigre 46 defensive routine Holland bell cranked Garys ship later Frost left circle retrieve stream er doing first clearing ship circleresult 50 points penalty Gary fly remainder match full streamer ouldnt keep away Holland long enough final matches bit tidimactic especially championship bout dust settled Fraisse France took third over Mittler Bel gum Mick Tiernan took World Champions crown Wood second both Great Britain Engllsh took team title expected little disappointed little tired drove back Liverpool cleaned up evenings festivi ties prize-giving eating sharing some fun new old friends Things didnt exactly proceed expect ed First lot new friends rapidly came old rriends standing around parking lot University waiting busses almost never came Some people arrived banquet two half hours after started seated various places allowed savor hunger pains longer before being served gross Other fun things happened Keith Trostle won minor diplomacy award retrieving Al Rabe per suading him stay until received award Stunt Sandy Pimenoff gave quadrennial speech Presidents chair no-no using World Championships point out world particular political policies like dont like Sundry officials gave out awards Sport Scale like managed screw up official FAI medals didnt have certifi cates second third place team awards No credit given origin perpetual awards official FAI classes fact class what affair seemed lack case appropriateness entire aura fit occasion larger less elegant room hold wished attend allow mingle cele brate toast another shout carry little together pace air encourage just would have welcome ended trials tribula tions 1978 Control Line World Championships CL Scale/Gretz continued page 38 past year second Westland Whirlwind know what confess Ill have some re search come up little background info use next month Dicks photo Hintits military twin-engined fighter P-51 Mustang certainly needs no troduction model builders Without doubt several times models have built flown popular air craft actually built full size 14819 versions production ceased outstanding example built Phillip Castelli Centereach New York Phil informs us letter Mustang scratch-built model using Model Airplane News plans de signed Homer Hudson ship powered Supertigre G4ORR Some working systems flaps bomb drop ailerons brakes course throttle control ship flies like dream have always placed contest has entered present has taken three firsts second way ground crew mechanic happens Action Jackson doll fits scale per fectly Wing spans out 48 ship also selected winning five Hobbypoxy finish award contest Jeffrey Perez sent accompanying sketch bomb tank drop mech anism used 77 Nats winning P-6 1 Black Widow see photo Septem ber 1978 Model viation ingenious aspect Perezs system two 1 /32w hook-shaped wires epoxied way down center bomb tank allows wires springy Due flexibility hook wires bombs just click place main retainer wire built side wing retainer wires natu rally have lock onto other hook-shaped wires due over lap hope drawing will make clear hard explain youve ever tried hold two bombs tanks place trying operate control mechanism same time will recognize advan tage Jeffs method main retainer wire wing actuated fourth line release spring-loaded return Perezs Black Widow indi vidual retainer wires different lengths fourth line pulled bombs will drop Pull line further tanks drop Castle Graphics PO Box AD Greenbank WA 98253 excellent source b&w photos scale model documenta tion offer widest selection aircraft photos privately operated non-government photo service know Quoting catalog #78-1 Castle Graphics mail-order aircraft photo service operated collectors over quarter century involvement photo collecting have arranged print 50000-plus negative file Mr Peter M Bowers Mr Bowers col lection also contains original negs taken other long-time collectors like Gordon S Williams Eugene Sommerich William Larkins Gordon Swanborough name few $175 can get sample photo sampler catalog #78-1 lists 1 some 2000 select photos have pre-printed have stock two week delivery 2 dozens indi vidual photo lists aircraft company country have literally hun dreds photos available two four week delivery detailed indi vidual photo lists l0 acpiece refund able first order photo described lists specific aircraft photo angle photo prices prints range 35 2 x 4 print $125 5 X 7 $200 8 X 10 feel photo service new could become important sources available us due big-name collectors photos available Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 39 up 11-6 EW Zinger 11-6 12-6 13-5 can find Max 45 also good same venturi Old Max 40 stunt can fitted engine venturi size about 295 Perennial Nats qualifier Bill Simons using 45 season using Rev-up 13-6 prop Although weighing about 10 oz engine may good have heard about changes engine run caused varying tank and/or engine height relative other have never thought too much about idea let suggest exper iment couple stunt fliers Lexington Kentucky inadvertently stumbled breaking couple 049s Half-A stunt event Nats using very makeshift arrangement Ed Robbert holding tank found very small movements tank relative spray bar would change rpm appreciatively Move tank inch down will lean out quite bit move tank up inch will richen mixture course 049s much sensitive tank changes should certainly prove once 106 Model Aviation 7060 HOLLYWOOD ELVD LOS ANGELES GA 90028 changing tank height can help cure some engines ills Remember Bill Werwage built 1977 Juno tank compartment al lowed tank moved either up down Usually problem tank height comes plane flies richer engine inverted plane upright cure place shims under engine tank can dropped between engine bearers Ia Werwage engine should run same rpm both ways Custom Master Products Inc Gene Martine 5424 Oliver St South Jacksonville FL 32211 has sent out impressive brochure several products top line beautiful Custom Master muffler machined bar aluminum stock works art made Fox 35 Max 35 K&B 40 HP 40 Como 40 ST 46 Cost mufflers $1500 plus 75 postage handling pressure fit ting can added cost 75 next item Gene Custom Master Flight Handle handle com pletely adjustable handgrip either Delrin PTMT Lexan features adjusting screws 10-24 size knurled adjusting nuts keys handle adjustable brass insert flying wires should cause fraying wire flying cable 047 7 X 7 stainless steel cable Cost handIe $1500 plus $100 postage Gene also makes venturis Max HP K&B Como Supertigre southern distributor HP 40 engines will price $7756 muffler plus $270 mailing Another item Custom Master Heli-coil installation engines muffler bolt-up service performed ST 46 engine Gene will also relocate needle assembly install Custom Master Venturi ST 46 Como Write Gene brochures work outstanding has spent least eight months gearing up production stunt fliers dont have experience another disappoint ment Specialist supplier PAMPA notes contest directors hand book draft form now avail able outline administration stunt meet AA AAA AAAA other National Championships classification purpose hand book assist Contest Directors Event Directors set up organized efficient meet will pleasure competitor Contents Handbook Introduc tion Types Competition Event Direc tor duties selection Advance Prep aration Publicity Event Judge Selection Training Scoring Maneuvers Personnel Required Field Layout Equipment Contest Procedures After Competition Contest Directors should consider now five distinct types Precision Aerobatics events 1 Clas sic Regular stunt event now can utilize up four PAMPA categories 2 AMA Novice Aerobatics 3 Profile Precision Aerobatics 4 Half-A Preci sion Aerobatics 5 Old Time Stunt cause wide spread selection events Stunt Only contests now possIble proper scheduling two circles Stunt Meet can operating day long provide competitor spectator alike necessary thrills chills spills further information stunt PA MPA contact Wynn Paul 1640 Maywick Drive Lexington KY 40504 CL Racing/Lee continued page 40 wound down Bert Metkemeyer press ing perhaps little too much final tank probably unnecessarily won convincingly record time What happened Yanks Nelson Dodge models 150 grams overweight 30% spite having available power anyone planes just too slow Albritton/Joy slightly heavy planes poor settings slow down Jolly/Kusik suffered engine problems prevent realizing December 1978 107
Edition: Model Aviation - 1978/12
Page Numbers: 39, 106, 107
Control Line Aerobatics Wynn Paul BOB HUNT new World Champion Precision Aerobatics using equipment consisted some old tried true components couple brand new items First lets look airplane Bobs now famous Genesis designs 60-in foam wing about 720 sq inches airfoil 18% root going 20% tips Equal panels two-inch Max engine just two days before leaving World Champs could get HP-40s hold up des peration took Max 40 out box bolted replacement venturi RC carburetor went flying Bob claims Max has horsepower ST 46 docile enough good stunt engine plenty muscle wood three-blade prop Bob made up worthy some detail Firstly prototypes prop have used Bob Keith Trostle Frank McMillan few other New Jersey stunt fliers ap pears have loads line tension Espe cially places need says Frank McMillan prop made using three blades Rev-up 12-6 props spliced together epoxy nine flat head machine screws bolt up two hubs blades cut down 115 125 in some cases blades have trimmed little narrower oper ation novice especially since talking about whirring prop blades 8000-10000 rpm Some eastern stunt fliers using Max 40 FSRs Max 45s Both engines come RC carbs stunt venturis must substituted Ven turis can obtained Control Spe cialties Company Bob Hunt Cus tom Master Products Gene Martine venturi old Max Stunt 40 can used can found Supposedly World Engines has venturis stock needle valve Supertigre B-19/2/ 5 ST 60 believe can used little fitting props try RevContinued page 106 leading-edge sweep ounce tip weight Bob used equal span partial flaps 2375 inches length Genesis usual large stab elevator 30 span 35 root chord both 250 chord tips moment arms measured 1050-inch root wing chord 10 inches front 16 rear Just may unfamiliar terminology has become somewhat standard means ten inches rear spinner leading edge wing measured fuselage side 16 inches distance measured trailing edge wing trailing edge stabilizer Other components Fox 15-volt idle bar plug own 575-oz uniflow tank muffler pressure off own muf fler solid 015 lines 615 feet long CSC Tru-Just handle finish epoxy base glue Sig topcoat paint two brand new components World Champion combination Max 40 FSR engine coupled home made three-bladed propeller Bob switched December 1 978 39 quarea ups ana sumigni lines characterize Paul Fewells Kona has 60-in foam wing Supertigre 46 engine weighs 58 ounces Ted Fancher nia original Ultation TOOK secona place Open stunt 1978 Nats I-beam builtun wina ST 4652 oz Paul photo resulspariing alunler raaul y i. irmany powerplant Supertigre 46 defensive routine Holland bell cranked Garys ship later Frost left circle retrieve stream er doing first clearing ship circleresult 50 points penalty Gary fly remainder match full streamer ouldnt keep away Holland long enough final matches bit tidimactic especially championship bout dust settled Fraisse France took third over Mittler Bel gum Mick Tiernan took World Champions crown Wood second both Great Britain Engllsh took team title expected little disappointed little tired drove back Liverpool cleaned up evenings festivi ties prize-giving eating sharing some fun new old friends Things didnt exactly proceed expect ed First lot new friends rapidly came old rriends standing around parking lot University waiting busses almost never came Some people arrived banquet two half hours after started seated various places allowed savor hunger pains longer before being served gross Other fun things happened Keith Trostle won minor diplomacy award retrieving Al Rabe per suading him stay until received award Stunt Sandy Pimenoff gave quadrennial speech Presidents chair no-no using World Championships point out world particular political policies like dont like Sundry officials gave out awards Sport Scale like managed screw up official FAI medals didnt have certifi cates second third place team awards No credit given origin perpetual awards official FAI classes fact class what affair seemed lack case appropriateness entire aura fit occasion larger less elegant room hold wished attend allow mingle cele brate toast another shout carry little together pace air encourage just would have welcome ended trials tribula tions 1978 Control Line World Championships CL Scale/Gretz continued page 38 past year second Westland Whirlwind know what confess Ill have some re search come up little background info use next month Dicks photo Hintits military twin-engined fighter P-51 Mustang certainly needs no troduction model builders Without doubt several times models have built flown popular air craft actually built full size 14819 versions production ceased outstanding example built Phillip Castelli Centereach New York Phil informs us letter Mustang scratch-built model using Model Airplane News plans de signed Homer Hudson ship powered Supertigre G4ORR Some working systems flaps bomb drop ailerons brakes course throttle control ship flies like dream have always placed contest has entered present has taken three firsts second way ground crew mechanic happens Action Jackson doll fits scale per fectly Wing spans out 48 ship also selected winning five Hobbypoxy finish award contest Jeffrey Perez sent accompanying sketch bomb tank drop mech anism used 77 Nats winning P-6 1 Black Widow see photo Septem ber 1978 Model viation ingenious aspect Perezs system two 1 /32w hook-shaped wires epoxied way down center bomb tank allows wires springy Due flexibility hook wires bombs just click place main retainer wire built side wing retainer wires natu rally have lock onto other hook-shaped wires due over lap hope drawing will make clear hard explain youve ever tried hold two bombs tanks place trying operate control mechanism same time will recognize advan tage Jeffs method main retainer wire wing actuated fourth line release spring-loaded return Perezs Black Widow indi vidual retainer wires different lengths fourth line pulled bombs will drop Pull line further tanks drop Castle Graphics PO Box AD Greenbank WA 98253 excellent source b&w photos scale model documenta tion offer widest selection aircraft photos privately operated non-government photo service know Quoting catalog #78-1 Castle Graphics mail-order aircraft photo service operated collectors over quarter century involvement photo collecting have arranged print 50000-plus negative file Mr Peter M Bowers Mr Bowers col lection also contains original negs taken other long-time collectors like Gordon S Williams Eugene Sommerich William Larkins Gordon Swanborough name few $175 can get sample photo sampler catalog #78-1 lists 1 some 2000 select photos have pre-printed have stock two week delivery 2 dozens indi vidual photo lists aircraft company country have literally hun dreds photos available two four week delivery detailed indi vidual photo lists l0 acpiece refund able first order photo described lists specific aircraft photo angle photo prices prints range 35 2 x 4 print $125 5 X 7 $200 8 X 10 feel photo service new could become important sources available us due big-name collectors photos available Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 39 up 11-6 EW Zinger 11-6 12-6 13-5 can find Max 45 also good same venturi Old Max 40 stunt can fitted engine venturi size about 295 Perennial Nats qualifier Bill Simons using 45 season using Rev-up 13-6 prop Although weighing about 10 oz engine may good have heard about changes engine run caused varying tank and/or engine height relative other have never thought too much about idea let suggest exper iment couple stunt fliers Lexington Kentucky inadvertently stumbled breaking couple 049s Half-A stunt event Nats using very makeshift arrangement Ed Robbert holding tank found very small movements tank relative spray bar would change rpm appreciatively Move tank inch down will lean out quite bit move tank up inch will richen mixture course 049s much sensitive tank changes should certainly prove once 106 Model Aviation 7060 HOLLYWOOD ELVD LOS ANGELES GA 90028 changing tank height can help cure some engines ills Remember Bill Werwage built 1977 Juno tank compartment al lowed tank moved either up down Usually problem tank height comes plane flies richer engine inverted plane upright cure place shims under engine tank can dropped between engine bearers Ia Werwage engine should run same rpm both ways Custom Master Products Inc Gene Martine 5424 Oliver St South Jacksonville FL 32211 has sent out impressive brochure several products top line beautiful Custom Master muffler machined bar aluminum stock works art made Fox 35 Max 35 K&B 40 HP 40 Como 40 ST 46 Cost mufflers $1500 plus 75 postage handling pressure fit ting can added cost 75 next item Gene Custom Master Flight Handle handle com pletely adjustable handgrip either Delrin PTMT Lexan features adjusting screws 10-24 size knurled adjusting nuts keys handle adjustable brass insert flying wires should cause fraying wire flying cable 047 7 X 7 stainless steel cable Cost handIe $1500 plus $100 postage Gene also makes venturis Max HP K&B Como Supertigre southern distributor HP 40 engines will price $7756 muffler plus $270 mailing Another item Custom Master Heli-coil installation engines muffler bolt-up service performed ST 46 engine Gene will also relocate needle assembly install Custom Master Venturi ST 46 Como Write Gene brochures work outstanding has spent least eight months gearing up production stunt fliers dont have experience another disappoint ment Specialist supplier PAMPA notes contest directors hand book draft form now avail able outline administration stunt meet AA AAA AAAA other National Championships classification purpose hand book assist Contest Directors Event Directors set up organized efficient meet will pleasure competitor Contents Handbook Introduc tion Types Competition Event Direc tor duties selection Advance Prep aration Publicity Event Judge Selection Training Scoring Maneuvers Personnel Required Field Layout Equipment Contest Procedures After Competition Contest Directors should consider now five distinct types Precision Aerobatics events 1 Clas sic Regular stunt event now can utilize up four PAMPA categories 2 AMA Novice Aerobatics 3 Profile Precision Aerobatics 4 Half-A Preci sion Aerobatics 5 Old Time Stunt cause wide spread selection events Stunt Only contests now possIble proper scheduling two circles Stunt Meet can operating day long provide competitor spectator alike necessary thrills chills spills further information stunt PA MPA contact Wynn Paul 1640 Maywick Drive Lexington KY 40504 CL Racing/Lee continued page 40 wound down Bert Metkemeyer press ing perhaps little too much final tank probably unnecessarily won convincingly record time What happened Yanks Nelson Dodge models 150 grams overweight 30% spite having available power anyone planes just too slow Albritton/Joy slightly heavy planes poor settings slow down Jolly/Kusik suffered engine problems prevent realizing December 1978 107
Edition: Model Aviation - 1978/12
Page Numbers: 39, 106, 107
Control Line Aerobatics Wynn Paul BOB HUNT new World Champion Precision Aerobatics using equipment consisted some old tried true components couple brand new items First lets look airplane Bobs now famous Genesis designs 60-in foam wing about 720 sq inches airfoil 18% root going 20% tips Equal panels two-inch Max engine just two days before leaving World Champs could get HP-40s hold up des peration took Max 40 out box bolted replacement venturi RC carburetor went flying Bob claims Max has horsepower ST 46 docile enough good stunt engine plenty muscle wood three-blade prop Bob made up worthy some detail Firstly prototypes prop have used Bob Keith Trostle Frank McMillan few other New Jersey stunt fliers ap pears have loads line tension Espe cially places need says Frank McMillan prop made using three blades Rev-up 12-6 props spliced together epoxy nine flat head machine screws bolt up two hubs blades cut down 115 125 in some cases blades have trimmed little narrower oper ation novice especially since talking about whirring prop blades 8000-10000 rpm Some eastern stunt fliers using Max 40 FSRs Max 45s Both engines come RC carbs stunt venturis must substituted Ven turis can obtained Control Spe cialties Company Bob Hunt Cus tom Master Products Gene Martine venturi old Max Stunt 40 can used can found Supposedly World Engines has venturis stock needle valve Supertigre B-19/2/ 5 ST 60 believe can used little fitting props try RevContinued page 106 leading-edge sweep ounce tip weight Bob used equal span partial flaps 2375 inches length Genesis usual large stab elevator 30 span 35 root chord both 250 chord tips moment arms measured 1050-inch root wing chord 10 inches front 16 rear Just may unfamiliar terminology has become somewhat standard means ten inches rear spinner leading edge wing measured fuselage side 16 inches distance measured trailing edge wing trailing edge stabilizer Other components Fox 15-volt idle bar plug own 575-oz uniflow tank muffler pressure off own muf fler solid 015 lines 615 feet long CSC Tru-Just handle finish epoxy base glue Sig topcoat paint two brand new components World Champion combination Max 40 FSR engine coupled home made three-bladed propeller Bob switched December 1 978 39 quarea ups ana sumigni lines characterize Paul Fewells Kona has 60-in foam wing Supertigre 46 engine weighs 58 ounces Ted Fancher nia original Ultation TOOK secona place Open stunt 1978 Nats I-beam builtun wina ST 4652 oz Paul photo resulspariing alunler raaul y i. irmany powerplant Supertigre 46 defensive routine Holland bell cranked Garys ship later Frost left circle retrieve stream er doing first clearing ship circleresult 50 points penalty Gary fly remainder match full streamer ouldnt keep away Holland long enough final matches bit tidimactic especially championship bout dust settled Fraisse France took third over Mittler Bel gum Mick Tiernan took World Champions crown Wood second both Great Britain Engllsh took team title expected little disappointed little tired drove back Liverpool cleaned up evenings festivi ties prize-giving eating sharing some fun new old friends Things didnt exactly proceed expect ed First lot new friends rapidly came old rriends standing around parking lot University waiting busses almost never came Some people arrived banquet two half hours after started seated various places allowed savor hunger pains longer before being served gross Other fun things happened Keith Trostle won minor diplomacy award retrieving Al Rabe per suading him stay until received award Stunt Sandy Pimenoff gave quadrennial speech Presidents chair no-no using World Championships point out world particular political policies like dont like Sundry officials gave out awards Sport Scale like managed screw up official FAI medals didnt have certifi cates second third place team awards No credit given origin perpetual awards official FAI classes fact class what affair seemed lack case appropriateness entire aura fit occasion larger less elegant room hold wished attend allow mingle cele brate toast another shout carry little together pace air encourage just would have welcome ended trials tribula tions 1978 Control Line World Championships CL Scale/Gretz continued page 38 past year second Westland Whirlwind know what confess Ill have some re search come up little background info use next month Dicks photo Hintits military twin-engined fighter P-51 Mustang certainly needs no troduction model builders Without doubt several times models have built flown popular air craft actually built full size 14819 versions production ceased outstanding example built Phillip Castelli Centereach New York Phil informs us letter Mustang scratch-built model using Model Airplane News plans de signed Homer Hudson ship powered Supertigre G4ORR Some working systems flaps bomb drop ailerons brakes course throttle control ship flies like dream have always placed contest has entered present has taken three firsts second way ground crew mechanic happens Action Jackson doll fits scale per fectly Wing spans out 48 ship also selected winning five Hobbypoxy finish award contest Jeffrey Perez sent accompanying sketch bomb tank drop mech anism used 77 Nats winning P-6 1 Black Widow see photo Septem ber 1978 Model viation ingenious aspect Perezs system two 1 /32w hook-shaped wires epoxied way down center bomb tank allows wires springy Due flexibility hook wires bombs just click place main retainer wire built side wing retainer wires natu rally have lock onto other hook-shaped wires due over lap hope drawing will make clear hard explain youve ever tried hold two bombs tanks place trying operate control mechanism same time will recognize advan tage Jeffs method main retainer wire wing actuated fourth line release spring-loaded return Perezs Black Widow indi vidual retainer wires different lengths fourth line pulled bombs will drop Pull line further tanks drop Castle Graphics PO Box AD Greenbank WA 98253 excellent source b&w photos scale model documenta tion offer widest selection aircraft photos privately operated non-government photo service know Quoting catalog #78-1 Castle Graphics mail-order aircraft photo service operated collectors over quarter century involvement photo collecting have arranged print 50000-plus negative file Mr Peter M Bowers Mr Bowers col lection also contains original negs taken other long-time collectors like Gordon S Williams Eugene Sommerich William Larkins Gordon Swanborough name few $175 can get sample photo sampler catalog #78-1 lists 1 some 2000 select photos have pre-printed have stock two week delivery 2 dozens indi vidual photo lists aircraft company country have literally hun dreds photos available two four week delivery detailed indi vidual photo lists l0 acpiece refund able first order photo described lists specific aircraft photo angle photo prices prints range 35 2 x 4 print $125 5 X 7 $200 8 X 10 feel photo service new could become important sources available us due big-name collectors photos available Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 39 up 11-6 EW Zinger 11-6 12-6 13-5 can find Max 45 also good same venturi Old Max 40 stunt can fitted engine venturi size about 295 Perennial Nats qualifier Bill Simons using 45 season using Rev-up 13-6 prop Although weighing about 10 oz engine may good have heard about changes engine run caused varying tank and/or engine height relative other have never thought too much about idea let suggest exper iment couple stunt fliers Lexington Kentucky inadvertently stumbled breaking couple 049s Half-A stunt event Nats using very makeshift arrangement Ed Robbert holding tank found very small movements tank relative spray bar would change rpm appreciatively Move tank inch down will lean out quite bit move tank up inch will richen mixture course 049s much sensitive tank changes should certainly prove once 106 Model Aviation 7060 HOLLYWOOD ELVD LOS ANGELES GA 90028 changing tank height can help cure some engines ills Remember Bill Werwage built 1977 Juno tank compartment al lowed tank moved either up down Usually problem tank height comes plane flies richer engine inverted plane upright cure place shims under engine tank can dropped between engine bearers Ia Werwage engine should run same rpm both ways Custom Master Products Inc Gene Martine 5424 Oliver St South Jacksonville FL 32211 has sent out impressive brochure several products top line beautiful Custom Master muffler machined bar aluminum stock works art made Fox 35 Max 35 K&B 40 HP 40 Como 40 ST 46 Cost mufflers $1500 plus 75 postage handling pressure fit ting can added cost 75 next item Gene Custom Master Flight Handle handle com pletely adjustable handgrip either Delrin PTMT Lexan features adjusting screws 10-24 size knurled adjusting nuts keys handle adjustable brass insert flying wires should cause fraying wire flying cable 047 7 X 7 stainless steel cable Cost handIe $1500 plus $100 postage Gene also makes venturis Max HP K&B Como Supertigre southern distributor HP 40 engines will price $7756 muffler plus $270 mailing Another item Custom Master Heli-coil installation engines muffler bolt-up service performed ST 46 engine Gene will also relocate needle assembly install Custom Master Venturi ST 46 Como Write Gene brochures work outstanding has spent least eight months gearing up production stunt fliers dont have experience another disappoint ment Specialist supplier PAMPA notes contest directors hand book draft form now avail able outline administration stunt meet AA AAA AAAA other National Championships classification purpose hand book assist Contest Directors Event Directors set up organized efficient meet will pleasure competitor Contents Handbook Introduc tion Types Competition Event Direc tor duties selection Advance Prep aration Publicity Event Judge Selection Training Scoring Maneuvers Personnel Required Field Layout Equipment Contest Procedures After Competition Contest Directors should consider now five distinct types Precision Aerobatics events 1 Clas sic Regular stunt event now can utilize up four PAMPA categories 2 AMA Novice Aerobatics 3 Profile Precision Aerobatics 4 Half-A Preci sion Aerobatics 5 Old Time Stunt cause wide spread selection events Stunt Only contests now possIble proper scheduling two circles Stunt Meet can operating day long provide competitor spectator alike necessary thrills chills spills further information stunt PA MPA contact Wynn Paul 1640 Maywick Drive Lexington KY 40504 CL Racing/Lee continued page 40 wound down Bert Metkemeyer press ing perhaps little too much final tank probably unnecessarily won convincingly record time What happened Yanks Nelson Dodge models 150 grams overweight 30% spite having available power anyone planes just too slow Albritton/Joy slightly heavy planes poor settings slow down Jolly/Kusik suffered engine problems prevent realizing December 1978 107