13-11-2005
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#1 (permalink)
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| Moderator
Join Date: Apr 2004 Location: Warwick,UK Real Name: Barry My Models: Aviation artifacts Visit wonwinglo's Gallery
Posts: 5,628
| Prototypes worth modelling-The Sopwith Pup.
SOPWITH PUP.  Type fighter Engine 80 hp Le Rhone Wing Span 26 ft 6 in (8.08 m) Length 19 ft 3 in (5.89 m) Height 9 ft 5 in (2.87 m) Maximum Speed 111 mph (179 kph) Maximum Height 17,500 ft (5,334 m) Endurance 3 hours Armament 1 machine-guns Type Sopwith Pup Engine 80 Hp Le Rhone 9C Rotary Upper Wing Span 26 ft 6 inches Upper Wing Chord  Lower Wing Span Lower Wing Chord Length 19 ft 3 3/4 inches Height 8 ft 10 1/2 inches Weight 1225 lbs (operational load) Max Speed 105 mph at 5,000 feet 102 mph at 10,000 feet 85 mph at 15,000 feet Climb 16 min 25 seconds to 10,000 feet 32 min 40 seconds to 15,000 feet Ceiling Endurance Operational Squadrons 46 Squadron Royal Flying Corps 54 Squadron Royal Flying Corps 66 Squadron Royal Flying Corps 1 Squadron Royal Naval Air Service 3 Squadron Royal Naval Air Service 4 Squadron Royal Naval Air Service 8 Squadron Royal Naval Air Service 9 Squadron Royal Naval Air Service As a model subject the Sopwith Pup is ideal,with its generous wing area and tail surfaces there is very little to go wrong in the aerodynamics department,the large cowling will adequately hide even the most awkward of glo motors,but why not go for a nice lightweight electric model ? there is plenty of room to fit a decent battery box coupled with easy access,the short nose will require sensible ballast up front anyway so why not use the battery set well forward ? the undercambered wing section is not necessary,a flattened clark Y will suffice nicely,the centre section struts could carry a built in centre section to which the pre rigged wings could be located,or if you like a one piece wing arrangement then make it bolt onto the centre section itself.The dual ailerons are linked with simple pushrods,they are powerful and require only a smal amount of movement,the fuselage is a basic box with stringers on the top,the tailplane can be a flat plate built up lightweight structure,the aeroplane looks right and has a nice sit in the air,overall an ideal model subject that has lots of period character. __________________________________________________ __________________________________________________ __
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