ASP FS70AR 4-stroke Engine for Nitro RC Planes

A = ABC  Engine
SII = Rear Needle Valve Engine
FS = Four Stroke Engine
R = RINGED ENGINES

Bore: 25.8mm
Stroke: 22mm
Displacement: .70 cu in
Practical rpm: 1,800-11,000
Normal rpm: 9,500-9,600
Weight: 600 gms
Prop Nut Size: 5/16-24

REQUIRES:
4 stroke Glow Plug
Propeller: 12x7-8, 13x5-8, 13x6, 14x5, 14x6.

The ASP 4stroke engines are workhorses that are reliable and cost effiecient over
the competition. These engines will happily tick away idling at 1800rpm. These
engines benefit from use of 5-20% Nitro fuel.
Length: 85.7mm (3.37") (from backplate to front of drive washer)
Length: 122mm (4.80") (from backplate to front of crankshaft)
Height: 118mm (4.64") (from bottom of engine to top of head)
Width: 50mm (1.96") (mounting hole centers-side to side)
Width: 20mm (.78") (mounting hole centers-front to rear)
Width: 39.9mm (1.57") (crankcase width neglecting mounting flanges)