January 17, 2014
Question: While walking the ramp one day you were staggered by the beauty of one airplane’s polished propeller blades. Is polishing an option for the propeller on your airplane?
Answer: Possibly. It is best to check with the propeller manufacturer to determine if polishing is acceptable. This is because to achieve the polished look, corrosion protection such as paint is often removed. According to a 2008 special airworthiness information bulletin, “Polished propeller blades are rarely an acceptable configuration”.
Aircraft Power and Fuel
Continental Motors announced FAA certification of its IO-360-AF six-cylinder engine that can be operated with 100LL avgas or unleaded 91UL fuel.
Two bills that would increase aviation fuel taxes and tap some proceeds for nonaviation purposes could place New Mexico in conflict with federal grant guarantees.
Avoid leaning the fuel-air mixture so much that engine heat becomes excessive.
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