OS Engine MAX 55AX (40K) with E-3071 Silencer OS15612 (Sale), Model Shop Leeds

OS Engine MAX 55AX (40K) with E-3071 Silencer OS15612 (Sale)

Designed to combine maximum power with razor sharp throttle response in the smallest possible crankcase, the 55AX has the same mounting dimensions as the popular 46AX above, but an increase in power to 1.75PS. The dramatic AX fin styling is used for optimum cooling and the rearward angled needle on the carb makes adjustments safer. The new 40K carb and also helps increase the horsepower over the previous 40J model. Perfect for sport, scale and aerobatic models.

Specification

Weight: 525g (18.52oz) with Silencer

Capacity: 8.93cc (.545 cu.in)

Propeller Range: 12x7-8, 13x6-7

Bore: 23mm (.906")

Stroke: 21.5mm (.846")

Power Output: 1.68hp (1.75 PS) @ 16,000rpm

Practical RPM: 2,000 - 17,000

bought this engine bolted striaght in to seagulls harmon rocket,start first spin no adjustments started straight from box wow. 5 ...

Rated by Duncan Scrase