THE Navy Carrier rules allow bonus five points engine over used power model earlier attempts take advantage bonus Grumman F7F Tigercat flown Ray Randall Ray quite successful model winning 1960 Nats Ray used two Johnson 35s outboard engine running one-ounce tank would stop after high-speed run rules have since changed limit engine displacement require engines operate through low-speed portion flight receive full low-speed points recent introduction K&B Supertigre OS others Schnuerle engines smaller sizes provides very good performance potential multi-engine Carrier flying F7F Tigercat lends itself well event because engines widely spaced allowing plenty room props British Royal Navy some carrier-based twins 1940s 50s including carrier versions Hornet Mosquito Meteor land-based fighters Short Sturgeon reconnaissance-bomber Although aircraft provide less propel ler clearance have good potential recently switch jet power has provided no suitable twins carrier trials land-based prop-driven aircraft have taken place As result North American OV-10 Bronco Lock heed C-i 30 Hercules elligible proto types Navy Carrier event Hercules its four engines offers potential 15 bonus points four-engine prototype available 1937 Royal Navy issued specifi cation S23/37 calling carrier aircraft capable cruising very low speeds follow enemy fleets night Two Fleet Shadower prototypes built specification Both used four small radial engines geared propellers distributing slipstream over wing provide added lift very low speeds Both aircraft wide-span flaps slots outboard wing ailerons dropped flaps improve low speed capability designs achieved goal never achieved production could Continued page 118 OV-1 0 Bronco multi-engine aircraft eligible Navy Carrier Jim Zehrung sized forCiass II 0530 35 power Unusual carrleraircraft designed forthe Royal Navy Fourenginesand full-span flaps/ailerons offerinteresting possIbilItIes torCarrier Actual high low speeds vejy close Class II speeds General Aircraft Fleet Shadower left Airspeed Fleet Shadower 56 Model Aviation General Aircraft Fleet Shadower id 1r17 Airspeed Shadower Fleet 0 / FOR THE SOARING BUFF sup ertape superwings lt applies stidcey brushing masking Portfolio lts stronger typical R/C building materialEverything need know create lt weighs 1 gin per sq ft building area lts 0005 thickyour own super-performance sailplane lts ready instant apply itA completely illustrated difinative work 20 pages packed technical data charts Olts quickest efficient method diagrams step-by-step instructions applying balsa greenskin other million $ worth information skin foam wing cores Plus dozens interested obtaining winning edge other great uses Try it in sailplane performance Hi Johnson 3/8roll $479 1roII $795 2roIl $1595 ALLROLLSAAE2160 LONGOnIy$150 SUPERWINGS 11015 Glenoaks Blvd Pacoima CA 91331 Tel 121318994312 J Features plated lit x 4 cr steel support mem ber plated 332 manganese bronze moving parts 05g Ii aluminum anchor strap simple anchor ing stake turf spike asphalt scres eyehalt 6-32 T famished hoard mount ing 25 lh capacity sill pall apart 120 ibs spring biased restraint am throon open position release huilt lock pre otots accidental release MODFL COMPONENTS 905 6 6 ttGfbt OR 9 riding noticeably ahead outboard gear level flight particularly approached upwind side circle may have too much yaw will need move leadouts forward and/or reduce some offset engine Line tension relative item Lots us fliers like feel chunk lead out pulling arms off others like just slight tug lines Personal preference should guide plane hard break level flight other words wanted groove took lot effort pull up may have too much nose weight plane may just nose-heavy Solution take out some nose weight switch lighter muffler try plastic spinner instead metal plane very touchy level flight actually hard control may tail-heavy need nose weight ncrements Ive already worked over what hunting plane Get sharp razor make incision under elevator side washer soldered onto push-rodhope remember side Most us insert push-rod left inboard side plane looking top supposition washer falls off centrifugal force will keep push-rod horn Good luck may still have cut other side such tight fit under stabilizer cant get push-rod out bearing cutting away part fuselage side Next consider inside outside loops whether plane turns easier other way seems favor way may want try shims under engine Shims can either washers easiest small pieces aluminum brass have cut out Before making decision better see plane turns inside outside squares ultimate sometimes final answer Since article getting pretty long Ill have deal line tension along other points maneuvers next month Prop selection can also affect line tension could have whole article Les McDonald Now lets quickly look glide path plane wants drop tail soon engine cuts its probably tail-heavy continues groove flies right down ground may nose-heavy plane goes extremely light lines after engine cuts may have leadouts too far forward too little tip weight plane bounces after good glide path either gear too springy its too far forward Try getting axle main gears line up leading edge wing viewed directly overhead information PAMPA stunt write Wynn Paul 1640 Maywick Dr Lexington KY 40504 CL Navy Carrier/Perry continued page 56 cruise under 40 mph 3-view draw ings show configurations unu sual aircraft 60 C- Iii u-i Q50 Li] u-I u-I z -J 40 30 20406080 SPEED MPI-1 Back 1966 American Modeler published set formulae developed Bill Netze band determining line drag leadout location CL models Roger Edwards NCAC Chairman has applied formu lae 3-line systems use Carrier has developed graphs accom pany months column Line rake angle amount leadouts swept back center-ofgravity CG shown function speed model weight As weight speed decreases line rake angle must crease compensate charts take guesswork out determining leadout loca tionassuming CG weight speed can reliably estimated varying opinions about movable leadouts interesting note little movement ideal leadout location between high speed low speed typical Class II model change less degree less 03 inch Profile change under degree 0020140 24 r-J 0 28 36 118 Model Aviation talL.. SAFE-LOK LAUNCHER PROFILE AND CLASS F 71Ii 7 halfless 05 inch quite possible build leadout location suit low speed condition causing excessive yawing outboard during high speed flight Movable leadouts useful level flight pronounced nose-high attitude weight lines has greater effect line curve does line drag prefer Guardians have additional source Class land Class II plans Modernistic Models P0 Box 50 40ii] Qe Li] z -J 30 2040 Richard L Perry 5016 Angelita Ave Dayton OH 45424 SAFE FLYING IS NO ACCIDENT 608010020140 t_____ CLASS II Proper leadout location varies model weight speed graphs ware developed Roger Edwards three-line Carrier control systems request rule proposals submit ted result speed meeting note typed top page done member CLCB would recognize what active speed flier wanted average speed flier few left realizes people try legislate rules because some selfish mo tive Some modelers feel cannot win event change rules fit need active speed fliers have presented rule proposals members CLCB favorable vote Only time will tell whether control line speed will diedue rules legislation non-participants keep asking myself should con tinue write speed column few people fly CL speed thoroughly enjoy writing column participating speed events feel should inject some J thing back has good 42 0and sonso plead write CLCB representative regarding 46 thoughts good bad subject 0These people appointed serve 50 Li-ineeds Write express what wonderful job because 54does require lot hard work part express views matter no reason gripe about July 1979 119 6874 Albequerque NM 87197 Available CL Speed/Hem pel XTB3F-2S prototype 28-in continued page 57 33-in spans AF-2S production Guardian 30-in 36-in sizes
Edition: Model Aviation - 1979/07
Page Numbers: 56, 118, 119
THE Navy Carrier rules allow bonus five points engine over used power model earlier attempts take advantage bonus Grumman F7F Tigercat flown Ray Randall Ray quite successful model winning 1960 Nats Ray used two Johnson 35s outboard engine running one-ounce tank would stop after high-speed run rules have since changed limit engine displacement require engines operate through low-speed portion flight receive full low-speed points recent introduction K&B Supertigre OS others Schnuerle engines smaller sizes provides very good performance potential multi-engine Carrier flying F7F Tigercat lends itself well event because engines widely spaced allowing plenty room props British Royal Navy some carrier-based twins 1940s 50s including carrier versions Hornet Mosquito Meteor land-based fighters Short Sturgeon reconnaissance-bomber Although aircraft provide less propel ler clearance have good potential recently switch jet power has provided no suitable twins carrier trials land-based prop-driven aircraft have taken place As result North American OV-10 Bronco Lock heed C-i 30 Hercules elligible proto types Navy Carrier event Hercules its four engines offers potential 15 bonus points four-engine prototype available 1937 Royal Navy issued specifi cation S23/37 calling carrier aircraft capable cruising very low speeds follow enemy fleets night Two Fleet Shadower prototypes built specification Both used four small radial engines geared propellers distributing slipstream over wing provide added lift very low speeds Both aircraft wide-span flaps slots outboard wing ailerons dropped flaps improve low speed capability designs achieved goal never achieved production could Continued page 118 OV-1 0 Bronco multi-engine aircraft eligible Navy Carrier Jim Zehrung sized forCiass II 0530 35 power Unusual carrleraircraft designed forthe Royal Navy Fourenginesand full-span flaps/ailerons offerinteresting possIbilItIes torCarrier Actual high low speeds vejy close Class II speeds General Aircraft Fleet Shadower left Airspeed Fleet Shadower 56 Model Aviation General Aircraft Fleet Shadower id 1r17 Airspeed Shadower Fleet 0 / FOR THE SOARING BUFF sup ertape superwings lt applies stidcey brushing masking Portfolio lts stronger typical R/C building materialEverything need know create lt weighs 1 gin per sq ft building area lts 0005 thickyour own super-performance sailplane lts ready instant apply itA completely illustrated difinative work 20 pages packed technical data charts Olts quickest efficient method diagrams step-by-step instructions applying balsa greenskin other million $ worth information skin foam wing cores Plus dozens interested obtaining winning edge other great uses Try it in sailplane performance Hi Johnson 3/8roll $479 1roII $795 2roIl $1595 ALLROLLSAAE2160 LONGOnIy$150 SUPERWINGS 11015 Glenoaks Blvd Pacoima CA 91331 Tel 121318994312 J Features plated lit x 4 cr steel support mem ber plated 332 manganese bronze moving parts 05g Ii aluminum anchor strap simple anchor ing stake turf spike asphalt scres eyehalt 6-32 T famished hoard mount ing 25 lh capacity sill pall apart 120 ibs spring biased restraint am throon open position release huilt lock pre otots accidental release MODFL COMPONENTS 905 6 6 ttGfbt OR 9 riding noticeably ahead outboard gear level flight particularly approached upwind side circle may have too much yaw will need move leadouts forward and/or reduce some offset engine Line tension relative item Lots us fliers like feel chunk lead out pulling arms off others like just slight tug lines Personal preference should guide plane hard break level flight other words wanted groove took lot effort pull up may have too much nose weight plane may just nose-heavy Solution take out some nose weight switch lighter muffler try plastic spinner instead metal plane very touchy level flight actually hard control may tail-heavy need nose weight ncrements Ive already worked over what hunting plane Get sharp razor make incision under elevator side washer soldered onto push-rodhope remember side Most us insert push-rod left inboard side plane looking top supposition washer falls off centrifugal force will keep push-rod horn Good luck may still have cut other side such tight fit under stabilizer cant get push-rod out bearing cutting away part fuselage side Next consider inside outside loops whether plane turns easier other way seems favor way may want try shims under engine Shims can either washers easiest small pieces aluminum brass have cut out Before making decision better see plane turns inside outside squares ultimate sometimes final answer Since article getting pretty long Ill have deal line tension along other points maneuvers next month Prop selection can also affect line tension could have whole article Les McDonald Now lets quickly look glide path plane wants drop tail soon engine cuts its probably tail-heavy continues groove flies right down ground may nose-heavy plane goes extremely light lines after engine cuts may have leadouts too far forward too little tip weight plane bounces after good glide path either gear too springy its too far forward Try getting axle main gears line up leading edge wing viewed directly overhead information PAMPA stunt write Wynn Paul 1640 Maywick Dr Lexington KY 40504 CL Navy Carrier/Perry continued page 56 cruise under 40 mph 3-view draw ings show configurations unu sual aircraft 60 C- Iii u-i Q50 Li] u-I u-I z -J 40 30 20406080 SPEED MPI-1 Back 1966 American Modeler published set formulae developed Bill Netze band determining line drag leadout location CL models Roger Edwards NCAC Chairman has applied formu lae 3-line systems use Carrier has developed graphs accom pany months column Line rake angle amount leadouts swept back center-ofgravity CG shown function speed model weight As weight speed decreases line rake angle must crease compensate charts take guesswork out determining leadout loca tionassuming CG weight speed can reliably estimated varying opinions about movable leadouts interesting note little movement ideal leadout location between high speed low speed typical Class II model change less degree less 03 inch Profile change under degree 0020140 24 r-J 0 28 36 118 Model Aviation talL.. SAFE-LOK LAUNCHER PROFILE AND CLASS F 71Ii 7 halfless 05 inch quite possible build leadout location suit low speed condition causing excessive yawing outboard during high speed flight Movable leadouts useful level flight pronounced nose-high attitude weight lines has greater effect line curve does line drag prefer Guardians have additional source Class land Class II plans Modernistic Models P0 Box 50 40ii] Qe Li] z -J 30 2040 Richard L Perry 5016 Angelita Ave Dayton OH 45424 SAFE FLYING IS NO ACCIDENT 608010020140 t_____ CLASS II Proper leadout location varies model weight speed graphs ware developed Roger Edwards three-line Carrier control systems request rule proposals submit ted result speed meeting note typed top page done member CLCB would recognize what active speed flier wanted average speed flier few left realizes people try legislate rules because some selfish mo tive Some modelers feel cannot win event change rules fit need active speed fliers have presented rule proposals members CLCB favorable vote Only time will tell whether control line speed will diedue rules legislation non-participants keep asking myself should con tinue write speed column few people fly CL speed thoroughly enjoy writing column participating speed events feel should inject some J thing back has good 42 0and sonso plead write CLCB representative regarding 46 thoughts good bad subject 0These people appointed serve 50 Li-ineeds Write express what wonderful job because 54does require lot hard work part express views matter no reason gripe about July 1979 119 6874 Albequerque NM 87197 Available CL Speed/Hem pel XTB3F-2S prototype 28-in continued page 57 33-in spans AF-2S production Guardian 30-in 36-in sizes
Edition: Model Aviation - 1979/07
Page Numbers: 56, 118, 119
THE Navy Carrier rules allow bonus five points engine over used power model earlier attempts take advantage bonus Grumman F7F Tigercat flown Ray Randall Ray quite successful model winning 1960 Nats Ray used two Johnson 35s outboard engine running one-ounce tank would stop after high-speed run rules have since changed limit engine displacement require engines operate through low-speed portion flight receive full low-speed points recent introduction K&B Supertigre OS others Schnuerle engines smaller sizes provides very good performance potential multi-engine Carrier flying F7F Tigercat lends itself well event because engines widely spaced allowing plenty room props British Royal Navy some carrier-based twins 1940s 50s including carrier versions Hornet Mosquito Meteor land-based fighters Short Sturgeon reconnaissance-bomber Although aircraft provide less propel ler clearance have good potential recently switch jet power has provided no suitable twins carrier trials land-based prop-driven aircraft have taken place As result North American OV-10 Bronco Lock heed C-i 30 Hercules elligible proto types Navy Carrier event Hercules its four engines offers potential 15 bonus points four-engine prototype available 1937 Royal Navy issued specifi cation S23/37 calling carrier aircraft capable cruising very low speeds follow enemy fleets night Two Fleet Shadower prototypes built specification Both used four small radial engines geared propellers distributing slipstream over wing provide added lift very low speeds Both aircraft wide-span flaps slots outboard wing ailerons dropped flaps improve low speed capability designs achieved goal never achieved production could Continued page 118 OV-1 0 Bronco multi-engine aircraft eligible Navy Carrier Jim Zehrung sized forCiass II 0530 35 power Unusual carrleraircraft designed forthe Royal Navy Fourenginesand full-span flaps/ailerons offerinteresting possIbilItIes torCarrier Actual high low speeds vejy close Class II speeds General Aircraft Fleet Shadower left Airspeed Fleet Shadower 56 Model Aviation General Aircraft Fleet Shadower id 1r17 Airspeed Shadower Fleet 0 / FOR THE SOARING BUFF sup ertape superwings lt applies stidcey brushing masking Portfolio lts stronger typical R/C building materialEverything need know create lt weighs 1 gin per sq ft building area lts 0005 thickyour own super-performance sailplane lts ready instant apply itA completely illustrated difinative work 20 pages packed technical data charts Olts quickest efficient method diagrams step-by-step instructions applying balsa greenskin other million $ worth information skin foam wing cores Plus dozens interested obtaining winning edge other great uses Try it in sailplane performance Hi Johnson 3/8roll $479 1roII $795 2roIl $1595 ALLROLLSAAE2160 LONGOnIy$150 SUPERWINGS 11015 Glenoaks Blvd Pacoima CA 91331 Tel 121318994312 J Features plated lit x 4 cr steel support mem ber plated 332 manganese bronze moving parts 05g Ii aluminum anchor strap simple anchor ing stake turf spike asphalt scres eyehalt 6-32 T famished hoard mount ing 25 lh capacity sill pall apart 120 ibs spring biased restraint am throon open position release huilt lock pre otots accidental release MODFL COMPONENTS 905 6 6 ttGfbt OR 9 riding noticeably ahead outboard gear level flight particularly approached upwind side circle may have too much yaw will need move leadouts forward and/or reduce some offset engine Line tension relative item Lots us fliers like feel chunk lead out pulling arms off others like just slight tug lines Personal preference should guide plane hard break level flight other words wanted groove took lot effort pull up may have too much nose weight plane may just nose-heavy Solution take out some nose weight switch lighter muffler try plastic spinner instead metal plane very touchy level flight actually hard control may tail-heavy need nose weight ncrements Ive already worked over what hunting plane Get sharp razor make incision under elevator side washer soldered onto push-rodhope remember side Most us insert push-rod left inboard side plane looking top supposition washer falls off centrifugal force will keep push-rod horn Good luck may still have cut other side such tight fit under stabilizer cant get push-rod out bearing cutting away part fuselage side Next consider inside outside loops whether plane turns easier other way seems favor way may want try shims under engine Shims can either washers easiest small pieces aluminum brass have cut out Before making decision better see plane turns inside outside squares ultimate sometimes final answer Since article getting pretty long Ill have deal line tension along other points maneuvers next month Prop selection can also affect line tension could have whole article Les McDonald Now lets quickly look glide path plane wants drop tail soon engine cuts its probably tail-heavy continues groove flies right down ground may nose-heavy plane goes extremely light lines after engine cuts may have leadouts too far forward too little tip weight plane bounces after good glide path either gear too springy its too far forward Try getting axle main gears line up leading edge wing viewed directly overhead information PAMPA stunt write Wynn Paul 1640 Maywick Dr Lexington KY 40504 CL Navy Carrier/Perry continued page 56 cruise under 40 mph 3-view draw ings show configurations unu sual aircraft 60 C- Iii u-i Q50 Li] u-I u-I z -J 40 30 20406080 SPEED MPI-1 Back 1966 American Modeler published set formulae developed Bill Netze band determining line drag leadout location CL models Roger Edwards NCAC Chairman has applied formu lae 3-line systems use Carrier has developed graphs accom pany months column Line rake angle amount leadouts swept back center-ofgravity CG shown function speed model weight As weight speed decreases line rake angle must crease compensate charts take guesswork out determining leadout loca tionassuming CG weight speed can reliably estimated varying opinions about movable leadouts interesting note little movement ideal leadout location between high speed low speed typical Class II model change less degree less 03 inch Profile change under degree 0020140 24 r-J 0 28 36 118 Model Aviation talL.. SAFE-LOK LAUNCHER PROFILE AND CLASS F 71Ii 7 halfless 05 inch quite possible build leadout location suit low speed condition causing excessive yawing outboard during high speed flight Movable leadouts useful level flight pronounced nose-high attitude weight lines has greater effect line curve does line drag prefer Guardians have additional source Class land Class II plans Modernistic Models P0 Box 50 40ii] Qe Li] z -J 30 2040 Richard L Perry 5016 Angelita Ave Dayton OH 45424 SAFE FLYING IS NO ACCIDENT 608010020140 t_____ CLASS II Proper leadout location varies model weight speed graphs ware developed Roger Edwards three-line Carrier control systems request rule proposals submit ted result speed meeting note typed top page done member CLCB would recognize what active speed flier wanted average speed flier few left realizes people try legislate rules because some selfish mo tive Some modelers feel cannot win event change rules fit need active speed fliers have presented rule proposals members CLCB favorable vote Only time will tell whether control line speed will diedue rules legislation non-participants keep asking myself should con tinue write speed column few people fly CL speed thoroughly enjoy writing column participating speed events feel should inject some J thing back has good 42 0and sonso plead write CLCB representative regarding 46 thoughts good bad subject 0These people appointed serve 50 Li-ineeds Write express what wonderful job because 54does require lot hard work part express views matter no reason gripe about July 1979 119 6874 Albequerque NM 87197 Available CL Speed/Hem pel XTB3F-2S prototype 28-in continued page 57 33-in spans AF-2S production Guardian 30-in 36-in sizes