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How to Maintain Your Engine
By Bill Middlebrook
(Bill Middlebrook is President and CEO of Penn Yan Aero. He is the third generation Middlebrook to own and operate the 65-year-old independent aircraft engine facility. Bill is an expert and authority on Lycoming and Continental aircraft engines.)
If you take care of your engine, your engine will take care of you. Here’s what you need to do and why:
First, take a look at your engine and its surroundings under the cowl. Is it clean? If not, clean it up so that you can properly evaluate what you have. Is there evidence of leaking oil or carbon deposits from leaking exhaust gaskets? Are there blue stains around fuel components or intake pipes? Are there any noticeable cracks? Does the baffle seal look worn or is it pliable and sealing correctly? Is there any loose hardware or loose components? Are there any frayed cables or wires? Make a list of issues and concerns. Whether you do the service, or not, this will help you keep track of who is responsible to resolve issues.
Fly with a Snowmobile Engine?
Rethinking the Rotax 912
By Ed Downs
Long used in U. S. experimental aircraft and many certified European aircraft, the Rotax 912 has become the almost-standard engine of choice for S-LSA aircraft designers. But, ask most American pilots about flying behind a Rotax, and you get the “What, me fly with a snowmobile engine?” question followed by a wide-eye look of horror when told that the 912 delivers its maximum rated 100 horsepower at 5800 rpm. Most simply equate the name Rotax with the famed two stroke engines of the Ski-Doo snowmobile and Sea-Doo watercraft. Many conclude that the Rotax 912 is simply a variation of its well-known two-stroke counterparts. Nothing could be further from reality.