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Put more power in your .40-size model the easy way: just drop in a 55AX engine. It has the same bolt pattern as the 46AX for no-mod retrofits, but it also has the added displacement it needs to swing bigger props — and everything you need for better 3D, precision and sport flying.
- Direct, bolt-in replacement for the 46AX.
- A diagonally-placed needle offers more pilot safety and eliminates the need for a remote needle valve.
- The 6-sided, angular head offers unique looks and significantly increases surface area for better cooling.
The 55AX is equipped with a Power Box E-3071 muffler. A generously sized sound chamber and large baffle helps it significantly reduce exhaust noise without reducing power.
The exclusive ABL (Advanced Bimetallic Liner) uses two O.S.-developed alloys for long-lasting, low-friction operation.
Displacement: 0.545 cu in (9 cc)
Bore: 0.91 in (23 mm)
Stroke: 0.85 in (21.5 mm)
Practical rpm: 2,000-17,000
Output: 1.68 hp @ 16,000 rpm
Weight:
14.3 oz (404 g) w/o muffler
18.52 oz (525 g) w/ muffler
Includes: #8 glow plug, E-3071 Power Box muffler & needle valve extension
Recommended Props: 11x6, 11x7, 12x6, 12x7, 12x8 & 13x6
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