The MAX- 55AX-BE has the same mount size as our best selling 46AX. As such, the 55AX-BE can be installed in an existing 46AX powered aircraft, and even though burning Bio-Ethanol fuel, develop more power than the 46AX using conventional glow fuel. An added benefit - fuel consumption is approximately 40% less than that of the standard 55AX glow engine..
Although, with the exception of the green anodized prop drive hub, the 55AX-BE and standard 55AX have the same external appearance, the 55AX-BE cylinder head, carburetor and glowplug are completely new designs. The glowplug (BE3), in particular, utilizes a different thread size than conventional glowplugs to avoid using an incorrect plug.
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 The drive hub has been anodized green to symbolize the green image.
 “BE Bio- Ethanol” is marked at the cylinder head.
 Conventional glow fuel consists of a mixture of methanol, lubricant oil and nitromethane. As such, conventional glow fuels under combustion emit unwanted by-products including formic acid, nitric acid, carbon monoxide, etc. These, in turn, cause corrosion of internal engine parts such as the ball bearings. Fuel spillage and exhaust residue can also kill the grass at grass flying field sites. Because of this, O.S. has developed a fuel with ingredients friendly to environmental concerns.
After considerable research and development, O.S. engineers have developed a special fuel for the new Bio-Ethanol series engines formulated as follows:.
1. Bio-Ethanol instead of methanol
2. Bio-Degradable lubricant
3. No nitro-methane
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