The company specialized in the design and manufacture of two-stroke engines for ultralight and homebuilt aircraft.
[1][2] The company developed a series of engines that were of a modular design, with the same pistons, cylinders and gearboxes, but using different crankcases.
These were assembled into single, twin and four-cylinder engines named for their displacements in cubic centimetres.
The single cylinder Arrow 250 has a displacement of 250 cc (15 cu in) and puts out 25 kW (34 hp).
From the 250 was developed the Arrow 270 AC, which has a displacement of 250 cc (15 cu in) and puts out 26 kW (35 hp).