Navy Carner G-S Products F8F Bearcat very few kits market designed Profile Carrier event G-S Products Corp International P0 Box 466 LaGrande OR 97850 makes three themSkyraider Corsair Bearcat built Bearcat found well-engi neered kit good flying qualities $2495 price unreasonable consider ing workmanship hardware cluded kit Parts sawn die-cut tail surfaces shaped have hinge slots already cut Hardware includes Klett hinges G-S 3-line bellcrank leadouts kit parts received weighed 18Y4 oz Some judicious lightening produced airplane 2 oz tip weight added weighing 17 oz ready cover Covering finish wheels brought weight oz I cut lightening holes motormount blocks leading-edge joiner ribs hollowed out fuselage blocks fuselage consists frame lsa spruce -in balsa plywood sides top bottom fuselage formed soft balsa blocks wing has dihedral adds ap pearance model Support blocks tip ribs provided wing may built warp-free Wood selection good no warps weights well suited part except ribs thought rib stock too heavy stronger wood allowed larger lightening holes end result about same Flying qualities good model flies very slightly nose down due mildly cambered airfoil quite sta ble 308 sq-in wing capable 100second-plus low speed stalling airplane can stalled ease general model quite strong Carrier flying recommend hollow leading edge backed vertical sheet 3/32 1/8 two bays outboard landing gear /8-in diameter landing gear quite stiff Richard L Peny Right Proper line clips line terminations like can save airplane Dont take chancerules good reason Below G-S Products Bearcat kit Profile Carrier well engineered flies well An evaluation will found text hard landing puts lot stress leading edge landing gear attaches Bending landing gear ward little will allow gear flex hard landings big advantage G-S Bearcat has over standard Profile Carrier model its appearance easily recog nized F8F anyone familiar real airplane exception wing chord tip enlarged model within about 5% scale outlines careful attention weight G-S Bearcat can competitive realistic Profile Carrier model Speed Controls Exhaust restrictors effective method speed control suc tion engines have used some success Schnuerle-ported engines running pressure K&B 65cc engines can order part number 9053 exhaust extension adapter ex haust butterfly assembly $400 throttle unit supplied marine version engine Semco makes exhaust throttle side-exhaust engines priced $695 unit requires 900 bellcrank some other means convert throttle arm travel fore-andaft up-and-down left-and-right $1495 unit fits OPS 40 60 engines rear exhaust Line Ends ConnectorsTheAMA Rule Book provided members hard imagine anyone would go contest first learning rules govern competition events tends fly CD run quite few people claim ignorance rules governing lines use fly models rules written safety reasons most-often-ignored rules concern line clips Two clips per line maxi mum allowable reason two clips together likely foul single clip lines slack before takeoff clip must have fail strength greater pull-test load model Under rule Perfect line clips legal Class Class II continued page 94 32 Model Aviation Interesting Carrier model 1976 Nets Bell Airabonita Herb Leirer sidemounted engine K&B 65 CL Navy Carrier/Perry continued page 32 some Profile Carrier models illegal also un safe Nats year large Perfect clip failed during pull-test sub jected 25-lb load well-known Carrier modeler name will mention lost Class II model year Perfect clip up line failed flight Ive seen similar accidents other events photograph accompanying column depicts Pylon brand line connec tors Sullivan clips come two sizes rated 80 lb 110 lb other type clip will use have made myself photo also shows wrapped line terminations thimbles recom mended rule book two-line con struction Wrapped lines stronger crimped terminations easier inspect possible damage also easy make set can made watching favorite TV show thimbles available Perfect sleeves crimped line ends Sullivan serving wire included Larger thimbles included free small package modeling hardware buy local hobby shop Dont take chance losing air plane engine possibly injuring spectator fellow modeler right first time dont have again Soapbox Department numerous proposals before CLCB require reward realistic Profile Carrier models would like very much see realistic models event have talked Carrier modelers agree problems however almost proposals principal concern existing models made obsolete rule change mandatory require ment scale outlines close re semblance would make existing models illegal Scale bonus points can used effectively points awarded few enough non-scale existing models automatically eliminated competition requirement 5% scale tolerance however would eliminate kit airplaneseven G-S Bearcat think good idea Review proposals thinking about would like solve problems Get ready cross proposals would like add realism Profile event Write CLCB represen tative tell him support opposition various proposals way better event through participation rules-making process No has right complain about rules has never taken time let CLCB representative know opinions Richard L Perry 5016 Angelita Ave. Dayton OH 45424 Tutor ide Vries continued page 45 trailing edges Triangular stock added aft fuselage serve widened stabilizer platform fin pro vide reinforced fin/stabilizer gluing joint prototype model bit wood inlet lower edge rudder commercial tailwheel assembly chosen would fit 3/16thick surface long 3/32 music wire tailwheel strut will work other tailwheel bracketsand hold eter tailwheel Extra rudder hinges four recommended assure good rudder action reliable tailwheel steering Nothing much left covering radio installation always-onerous details finishing model Add windshield front dowel glassed areas use 030 clear buytrate plastic windshield windows Epoxy wing hole-down dowels place Bolt engine landing gear place use 2 diame ter main wheels Most radios lostin cavernous fuselage Tutor Theres lots room swathe receiver batteries anti-vibration foam protective plastic baggies Use servo trays fuselage installation making sure theyre posi tioned no strain placed connecting wires wires aile ron servo Theres no problem balancing Tutor fact receiver 450-mah battery prototype model positioned aft servos against fuselage former balance point slightly forward wing spars Flying airfoil computer-plotted 9 Clark-Y section model slightlyheavy 4 pounds slightly-underpowered purpose tail-dragger Make sure models balanced main gear tailwheel track straight ahead Triple-check everything first-flight check-list fire er up Like high-winged models Tutor rudder airplanethe aile rons arent too effective hence sugges tion plans ailerons should extended full rib-bay side Theres lot rudder elevator area use gingerly until have feel effectiveness Remember Tutor designed react like scale model pattern ship takeoff wind above 10 knots Tutor will leap air par ticularly helper holds model run engine up maximum revs Fly rudder until its well up can check effect aile rons Landings made almostlevel attitude since thats way gear set Rudder elevator effective gliding speeds final approach may played almost down stalling speed So use Tutor build up flying time proficiency build precise beautiful complex examples model-building art Hall Fame/i 976 continued page 54 Plans 80 different Ehling designed planes have published model ing magazines through years original designs have kitted Jetco Jasco Scientific Polks designs have won great number contests have responsible starting new trends model plane design Since Franks models designed newer young er modelers mind simple fool proof yet always maintained high level per form ance As result model designs instru mental attracting young people aeromodeling field Ebling has always innovator early competitor expertise recognizing loop holes rules has contributed success Technical Director Academy Model Aeronautics 20s competition rules much simpler today Intended new compressed-air model motors rules stated power may used famous story has contest Frank waited until other fliers turn called timer plane tiny thought too small successfuland string attached ran cigar box Ehling launched ship offi cial flight opening box Out flew pigeon pulling model aloft 00S max Franks crowning achievement Delta Dart No single model design has done create good will good publicity model aviation well introduce young sters over world wonderful sport building flying model planes Hundreds thousands kits have produced date profit Ebling other personal satisfaction since donated design AMA model industry As Technical Director Academy Model Aeronautics also Advertising Manager AMAs monthly magazine Model Aviation Frank currently key figure national organization very much respect ed everyone model aviation industry abilities accomplishments Few men aeromodeling well known over world 94 Model Aviation COX ENGINES COX/SANWA R/C SYSTEMS AIRTRONICS KITS Send C complete catalog 1525 E Warner Ave Santa Ana CA 92702 HOBBIES
Edition: Model Aviation - 1977/01
Page Numbers: 32, 94
Navy Carner G-S Products F8F Bearcat very few kits market designed Profile Carrier event G-S Products Corp International P0 Box 466 LaGrande OR 97850 makes three themSkyraider Corsair Bearcat built Bearcat found well-engi neered kit good flying qualities $2495 price unreasonable consider ing workmanship hardware cluded kit Parts sawn die-cut tail surfaces shaped have hinge slots already cut Hardware includes Klett hinges G-S 3-line bellcrank leadouts kit parts received weighed 18Y4 oz Some judicious lightening produced airplane 2 oz tip weight added weighing 17 oz ready cover Covering finish wheels brought weight oz I cut lightening holes motormount blocks leading-edge joiner ribs hollowed out fuselage blocks fuselage consists frame lsa spruce -in balsa plywood sides top bottom fuselage formed soft balsa blocks wing has dihedral adds ap pearance model Support blocks tip ribs provided wing may built warp-free Wood selection good no warps weights well suited part except ribs thought rib stock too heavy stronger wood allowed larger lightening holes end result about same Flying qualities good model flies very slightly nose down due mildly cambered airfoil quite sta ble 308 sq-in wing capable 100second-plus low speed stalling airplane can stalled ease general model quite strong Carrier flying recommend hollow leading edge backed vertical sheet 3/32 1/8 two bays outboard landing gear /8-in diameter landing gear quite stiff Richard L Peny Right Proper line clips line terminations like can save airplane Dont take chancerules good reason Below G-S Products Bearcat kit Profile Carrier well engineered flies well An evaluation will found text hard landing puts lot stress leading edge landing gear attaches Bending landing gear ward little will allow gear flex hard landings big advantage G-S Bearcat has over standard Profile Carrier model its appearance easily recog nized F8F anyone familiar real airplane exception wing chord tip enlarged model within about 5% scale outlines careful attention weight G-S Bearcat can competitive realistic Profile Carrier model Speed Controls Exhaust restrictors effective method speed control suc tion engines have used some success Schnuerle-ported engines running pressure K&B 65cc engines can order part number 9053 exhaust extension adapter ex haust butterfly assembly $400 throttle unit supplied marine version engine Semco makes exhaust throttle side-exhaust engines priced $695 unit requires 900 bellcrank some other means convert throttle arm travel fore-andaft up-and-down left-and-right $1495 unit fits OPS 40 60 engines rear exhaust Line Ends ConnectorsTheAMA Rule Book provided members hard imagine anyone would go contest first learning rules govern competition events tends fly CD run quite few people claim ignorance rules governing lines use fly models rules written safety reasons most-often-ignored rules concern line clips Two clips per line maxi mum allowable reason two clips together likely foul single clip lines slack before takeoff clip must have fail strength greater pull-test load model Under rule Perfect line clips legal Class Class II continued page 94 32 Model Aviation Interesting Carrier model 1976 Nets Bell Airabonita Herb Leirer sidemounted engine K&B 65 CL Navy Carrier/Perry continued page 32 some Profile Carrier models illegal also un safe Nats year large Perfect clip failed during pull-test sub jected 25-lb load well-known Carrier modeler name will mention lost Class II model year Perfect clip up line failed flight Ive seen similar accidents other events photograph accompanying column depicts Pylon brand line connec tors Sullivan clips come two sizes rated 80 lb 110 lb other type clip will use have made myself photo also shows wrapped line terminations thimbles recom mended rule book two-line con struction Wrapped lines stronger crimped terminations easier inspect possible damage also easy make set can made watching favorite TV show thimbles available Perfect sleeves crimped line ends Sullivan serving wire included Larger thimbles included free small package modeling hardware buy local hobby shop Dont take chance losing air plane engine possibly injuring spectator fellow modeler right first time dont have again Soapbox Department numerous proposals before CLCB require reward realistic Profile Carrier models would like very much see realistic models event have talked Carrier modelers agree problems however almost proposals principal concern existing models made obsolete rule change mandatory require ment scale outlines close re semblance would make existing models illegal Scale bonus points can used effectively points awarded few enough non-scale existing models automatically eliminated competition requirement 5% scale tolerance however would eliminate kit airplaneseven G-S Bearcat think good idea Review proposals thinking about would like solve problems Get ready cross proposals would like add realism Profile event Write CLCB represen tative tell him support opposition various proposals way better event through participation rules-making process No has right complain about rules has never taken time let CLCB representative know opinions Richard L Perry 5016 Angelita Ave. Dayton OH 45424 Tutor ide Vries continued page 45 trailing edges Triangular stock added aft fuselage serve widened stabilizer platform fin pro vide reinforced fin/stabilizer gluing joint prototype model bit wood inlet lower edge rudder commercial tailwheel assembly chosen would fit 3/16thick surface long 3/32 music wire tailwheel strut will work other tailwheel bracketsand hold eter tailwheel Extra rudder hinges four recommended assure good rudder action reliable tailwheel steering Nothing much left covering radio installation always-onerous details finishing model Add windshield front dowel glassed areas use 030 clear buytrate plastic windshield windows Epoxy wing hole-down dowels place Bolt engine landing gear place use 2 diame ter main wheels Most radios lostin cavernous fuselage Tutor Theres lots room swathe receiver batteries anti-vibration foam protective plastic baggies Use servo trays fuselage installation making sure theyre posi tioned no strain placed connecting wires wires aile ron servo Theres no problem balancing Tutor fact receiver 450-mah battery prototype model positioned aft servos against fuselage former balance point slightly forward wing spars Flying airfoil computer-plotted 9 Clark-Y section model slightlyheavy 4 pounds slightly-underpowered purpose tail-dragger Make sure models balanced main gear tailwheel track straight ahead Triple-check everything first-flight check-list fire er up Like high-winged models Tutor rudder airplanethe aile rons arent too effective hence sugges tion plans ailerons should extended full rib-bay side Theres lot rudder elevator area use gingerly until have feel effectiveness Remember Tutor designed react like scale model pattern ship takeoff wind above 10 knots Tutor will leap air par ticularly helper holds model run engine up maximum revs Fly rudder until its well up can check effect aile rons Landings made almostlevel attitude since thats way gear set Rudder elevator effective gliding speeds final approach may played almost down stalling speed So use Tutor build up flying time proficiency build precise beautiful complex examples model-building art Hall Fame/i 976 continued page 54 Plans 80 different Ehling designed planes have published model ing magazines through years original designs have kitted Jetco Jasco Scientific Polks designs have won great number contests have responsible starting new trends model plane design Since Franks models designed newer young er modelers mind simple fool proof yet always maintained high level per form ance As result model designs instru mental attracting young people aeromodeling field Ebling has always innovator early competitor expertise recognizing loop holes rules has contributed success Technical Director Academy Model Aeronautics 20s competition rules much simpler today Intended new compressed-air model motors rules stated power may used famous story has contest Frank waited until other fliers turn called timer plane tiny thought too small successfuland string attached ran cigar box Ehling launched ship offi cial flight opening box Out flew pigeon pulling model aloft 00S max Franks crowning achievement Delta Dart No single model design has done create good will good publicity model aviation well introduce young sters over world wonderful sport building flying model planes Hundreds thousands kits have produced date profit Ebling other personal satisfaction since donated design AMA model industry As Technical Director Academy Model Aeronautics also Advertising Manager AMAs monthly magazine Model Aviation Frank currently key figure national organization very much respect ed everyone model aviation industry abilities accomplishments Few men aeromodeling well known over world 94 Model Aviation COX ENGINES COX/SANWA R/C SYSTEMS AIRTRONICS KITS Send C complete catalog 1525 E Warner Ave Santa Ana CA 92702 HOBBIES