- Same mounting dimensions as the O.S. Max .46 AXII
- Advanced Bi-Metallic Liner process uses a double layer of plating material rather than one thick layer.
- Plating process is more consistent, resulting in a more precise fit between piston and sleeve for better compression and longer life.
- Angular head design offers increased surface area for better cooling.
- 40K Carburetor with diagonally placed needle valve eliminating remot needle valve placement
- Two year limited warranty beginning at date of purchase
In The Box
- O.S. Max 55 AX ABL Aircraft Engine with E-3071 Muffler
- 40K carburetor
- #8 glow plug
- 3.5" (90mm) long needle valve
- Extension cable and two 3x35mm muffler
- Product Manual
Needed to Complete
- Aircraft blend fuel containing 5%-20% Nitromethane with at least 18% lubricant
Get .50 size power into your .40 size aircraft
The 55AX is better than ever, with an improved carburetor and muffler. You get the same phenomenal power, with the convenience and safety of a rear angled needle valve on the carb and a squared off muffler for easier cowling installation. If you want .50 scale power that fits conveniently in .40 size planes, get the 55AX and get flying!
- Comes with the E3071 muffler for quiet efficiency.
- 40K carburetor has a diagonally placed needle valve so you don't need a remote needle valve.
- Mounts directly into the bolt pattern for the 46AX.
- Advanced Bimetallic Liner (ABL) uses two alloys to provide a durable layer between the brass liner and piston.
- Recommended prop sizes: 12x7, 12x8, 13x6, 13x7.
The large-chambered muffler reduces sound without reducing power.
The 40K carburetor includes a diagonally placed needle valve so there's no need for a remote needle valve.
|Muffler Weight||4.23 oz (120 g)|
|Displacement||0.545 cu in (8.93cc)|
|Oil Type & Content||At least 16% synthetic lubricant|
|Product Length||3.4" (85.5mm) from back plate to front of drive hub|
|Product Width||2.4" (61mm) at mounting tabs|
|Plug Type||O.S. #8|
|Engine (Only) Weight||0.89lbs (404g)|
|Muffler Type||2-piece aluminum|
|Product Height||3.6" (91.1mm) crankcase botton to top of cylinder head|
|Prop Range||11x6 - 13x6|
|RPM Range||2,000 - 17,000|