O.S. Engines .55 Size MAX 55AX Nitro Aircraft Engine

Brand: O.S. Engines | SKU: OSM15612
O.S. Engines
2 in stock
$276.75
Description

Unleash upgraded power without sacrificing fit. The O.S. Max .55 AX delivers .50 scale muscle packed into a .40 size envelope. Its redesigned carburettor and muffler boost performance and ease, featuring a rear-angle needle valve for convenient tuning and a squared-off muffler for hassle-free cowling installation. Take your flights to the next level with the .55 AX - power, precision, and ease, all in one.

Features
  • Comes with the E3071 muffler for quieter efficiency
  • Compact design means it has the same mounting dimensions as the O.S. Max .46 AX
  • Power Box positionable muffler
  • Angular head design offers increased surface area for better cooling
  • 40K Carburettor with diagonally placed needle valve eliminates remote needle valve placement
  • 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
  • Recommended prop sizes: 12x7, 12x8, 13x6, 13x7
Specifications
  • Displacement: 8.93cc (.545cu/in)
  • Bore: 23mm (.906in)
  • Stroke: 21.5mm (.846in)
  • Practical RPM: 2,000-17,000
  • Power Output: 1.75 PS, 1.68 HP/16,000 RPM
  • Weight w/o muffler: 405g (14.29oz)
  • Weight w/ muffler: 525g (18.52oz)
Included items
Description QTY
O.S. Engines .55 Size MAx 55Ax Nitro Aircraft Engine 1
Muffler 1
Required Items
  • Aircraft blend fuel containing 5%-20% Nitromethane with at least 18% lubricant
  • Plane
  • Propeller
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O.S. Engines .55 Size MAX 55AX Nitro Aircraft Engine
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