Evolution 52 NX

Benchmark Prop: 11 x 6 @ 13000 rpm,11 x 6 @ 13000 rpm
Bore: 22.4mm (.88 in),22.4mm (.88 in)
Crankshaft Threads: 1/4 x 28
Cylinders: Single
Displacement: .52 cu. in. (8.52 cc),.52 cu. in. (8.52 cc)
Engine (Only) Weight: 14.5 oz,14.5 oz
Prop Range: 10 x 6–13 x 5
Recommended Fuel: Glow
Stroke: 21.5mm (.85 in),21.5mm (.85 in)