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- Mixelotti
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Napisano: 14 Jun 2011 23:45
Motor sokola 522 Pratt & Whitney R-1340-AN-1 Wasp
TT podaci vrlo bliskog rođaka
Pratt & Whitney Wasp R-1340
Model: R-1340 S3H1-G.
Type: 9 cylinders, 1-row radial, air cooled, geared drive, supercharged, 4-cycle. A.T.C. 1.42 .
Construction: 2-piece aluminum alloy crankcase. Cylinders with steel barrels and aluminum alloy heads. 1 inlet valve and 1 exhaust valve (sodium cooled) per cylinder actuated by push rods. 1-throw 2-piece counterbalanced crankshaft supported in 2 roller bearings. Planetary bevel reduction gear, ratio 0.67:1. Provision for Hydromatic propeller.
Supercharger: Gear-driven 1-speed supercharger, ratio 12.0:1.
Fuel system: 1 Bendix-Stromberg NA-Y9E1 updraft carburetor with automatic mixture control.
Ignition: 2 Bendix-Scintilla SB9RN-4 magnetos. 2 18-mm short reach spark plugs per cylinder. Shielded ignition system.
Lubrication: Pressure feed, 70-90 lb./sq.in. (4,9-6,3 kg/cm2).Dry sump.
Starter: Optional. Eclipse E-160 or 1416 direct cra~king electric starter can be used.
Bore: 5.75 in. | 146 mm
Stroke: 5.75 in. | 146 mm
Displacement: 1,344 cu.in. | 22,0 lit
Compression ratio: 6.0:1 | 6,0:1
Diameter: 51.8 in. | 1 315 mm
Length: 47.8 in. | 1 214 mm
Frontal area: 14.6 sq.ft. | 1,36 m2
Weight: 938 lb. | 425 kg
Weight/horsepower: 1.56 lb./h.p. | 0,71 kg/hp
Fuel consumption (cr.): 0.48 lb./h.p./hr. | 220g/hp/hr
Oil consumption (cr.): 0.015 lb./h.p./hr. | 7 g/hp/hr
Gasoline grade: 91/96 grade | 91/96 grade
Oil grade (viscosity): 100-120 S.U. sees. | 20,5- 25,1 cs
Output/displacement: 0.45 h.p./cu.in. | 27,2 hp/lit
Output/piston area: 2.56 h.p./sq.in. | 0,40 hp/cm2
Piston speed (max.): 2,156 ft./min. | 10,9 m/sec
B.m.e.p. (max.): 157 lb./sq.in. | 11,0 kg/cm2
Rating (take-off): 600 h.p./2,250 r.p.m./36.5 in. (927 mm) +3.3 lb.
Rating (normal): 550 h.p./2,200 r.p.m./5,000 ft. (1 500 m)
Rating (max. cruising): 400 h.p./2,000"r.p.m./9,000 ft. (2 700 m) ·
The above take-off rating is at 3,000 ft. (900 m).
R-1340 S1H1: Similar to S3H1-G, but with direct drive. 1-speed supercharger, ratio 12.0:1. 600 h.p./2,250 r.p.m./6,200 ft. (2 000 m) /take-off; 550 h.p./2,200 r.p.m./8,000 ft. (2 600 m) normal rating. A.T.C. 129.
R-1340 S3H1: Similar to R-1340 S3H1-G, but with direct drive. 1-speed supercharger, ratio 10.0:1. A.T.C. 143
R-1340 S3H2: Similar to R-1340 S3H1, and can he used with crankshaft in vertical plane in helicopters. A.T.C. pending.
izvor:
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, али ниси рекао своје мишљење о оне две фотографије што је поставио Djokkinen, који би то авион био по теби?
Trokraka elisu ugradjuju zato sto je buka manja "bolje vuce" ali se zato zrtvuje krajnja brzina to sam vidio na YAK-ovima tako su mi bar rekli ovo za elise 
UHH jesam ovo srocio 
