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    503 engine failure

    a 503 came into my shop that had failed with only about 200 hours on it, when I removed the cylinders I found a wire embeded in the piston, I called the owner to ask if he had ran the engine without an airfilter and he told me that he had never even removed the filter to clean the carb and the...
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    Shame on us too.

    You're a 19 year old kid. You're critically wounded and dying in the jungle somewhere in the Central Highlands of Viet Nam .. It's November 11, 1967. LZ (landing zone) X-ray. Your unit is outnumbered 8-1 and the enemy fire is so intense from 100 yards away, that your CO (commanding...
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    rc heli

    I was visiting my son awhile back and he had a helicopter that would hold a hover all by it's self and it's not done with gyros or eletronics, it has a flybar that is at an angle to the hub and it works so well that I was even able to take it up on the roof of his house and drop it nose down...
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    snomobile engines

    I have been told that rotax aircraft engines have less power than their snomobile counterpart, I have found this to be untrue. I took a 503 sled engine and put the same redrive on it and it had the same rpm with the same prop as the aircraft 503. it may be different in the 582 vs 583 but I will...
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    EJ18 subaru

    anyone use a rotax E or EL box on a subaru EJ 18, it seems like it would give you a redrive a starter and with the EL an alternator in one small package.