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<< Lancair Builders' Mail List >>
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Nose Gear Shimy, has anybody had the same problem??<< Yep.. My 235/320
cracked in the engine frame above and perpendicular to the trunion ( found that one on an annual, doubled these members by welding split halves). And eventually went to the oleo type. Shimmying damage is most certainly cumulative, look at the weight-moment forces of the Nose Wheel vibrating the entire engine/mount @ aircraft. The old style donuts/ teflon plate was subject to loss of anti-shimy cue to oil on the plate and loss of comparssion spring of the Belleview Washers. I hope this helps, hang the engine on the wall, and have a GOOD welder double up those cracks, see #43-3 for methods.. Don Skeele N320J (503) 769-2563
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Please send your photos and drawings to marvkaye@olsusa.com.
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