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Old March 6th 08, 05:40 PM posted to rec.aviation.soaring
jcarlyle
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Default Grounding of control tubes/cables

Hi, JJ,

Your input is very much appreciated - thanks!

-John

On Mar 6, 9:13 am, JJ Sinclair wrote:
Questions:
1. What is the purpose of such bonding? Would it help at all with
lightning protection, or is it intended only to lessen static
discharge noise in the radio and other electrical systems?


All the metal parts should be grounded to prevent static noise in your
radio receiver (which you will get any time an ungrounded control is
moved).

2. If bonding is useful, shouldn't all of the glider's control tubes/
cables be bonded?


Yes

3. What would be the recommended method to effect a bond to aileron


The control tubes are usually grounded with a wire that goes to one of
the mounting bolts that hold the stick in place, the electrical
connection is then made through the stick into the aileron and
elevator pushrods.

Hope this helps,
JJ