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<DIV>I've found that one can make a simple tool that's useful for diagnosing
vibration related problems from a inexpensive "Electric Pencil Engraver" (those
vibrating metal engravers). Simply install a 1/2" dia. x 1/2" long aluminum
piece on the pointer and it's ready to use. Most of these devices have a stoke
adjustment that effectively alters the impact force, something mid-range seems
to mimic engine vibes pretty well. Simply "buzz" various components until the
guilty party is uncovered. One caveat, there is the potential to break receiver
crystals with direct contact - so use caution around the receiver.</DIV>
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<DIV>On another note - simply isolating a vibration affected component isn't the
proper fix. While vibration can damage radio components, anything that changes
behavior by applying vibration is <STRONG>already defective!</STRONG></DIV>
<DIV><STRONG></STRONG> </DIV>
<DIV>Earl</DIV>
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