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Dayton Airplane Engine Co Grant

The Dayton Grant featured steel cylinders with detachable aluminium heads, with bronze valve seats shrunk in the heads. There is a special tulip valve design of special steel, one exhaust valve and one intake valve per cylinder.
The aluminium alloy pistons have full floating hollow piston pins. The crankshaft is one piece, with five bearings.
Equipment was an instruction book, tool kit, and exhaust flanges.
Available at extra cost were C-5 fuel pump, hub for a wooden or steel propeller, and starter.
Type: 8 cylinder horizontal opposed
Military Rating: 225 hp at 1800 rpm
Commercial Rating: 240 hp at 2000 rpm
Displacement: 764
Compression ratio: 5.3-1
Bore: 4 1/2 in
Stroke: 6 in
Length: 56 in
Width: 44 in
Height: 20 in
Weight: 500 lb
Fuel consumption: not more than 1.05 lb/hp/hr
Oil consumption: not more than .025 lb/hp/hr
Lubrication: Force feed
Ignition: Dual spark magneto or generator for battery ignition
Carburation: 2 Zenith or Stromberg
Spark plugs: 2 B.G. per cylinder 1 XA

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