nuckollsr(at)cox.net
Guest
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 Posted: Fri May 04, 2007 10:04 am Post subject: Electrical joint grease? |
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| Quote: | Questions: Hi Bob,
Regarding your article on using the airframe for grounding the battery, my
battery is in the tailcone on a Murphy Rebel. Should I apply electrical
grease to the tab before rivetting it to the air frame, to ensure good
conductivity.
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I'd go for clean, bright metal before riveting and
forget the grease. If you get the proper pressures
built up between the conducting metals, then a
gas-tight joint exists and any grease that might
have been in the joint is extruded out. Now,
if you lived in a salt-air or high humidity
environment, putting grease in the joint might
have a beneficial effect of sealing the gaps where
gas-tightness was not completely achieved. This
might forestall corrosion problems in the future
but if your airplane lives in such an environment,
increasing the service life of an electrical joint
is probably very low on your worries for maintenance
and cost of ownership for the airplane!
The grease wouldn't hurt but it's messy and not
likely to help much if any. This stuff makes more
sense on power poles and boats.
Bob . . .
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( IF one wishes to be "world class" at )
( anything, what ever you do must be )
( exercised EVERY day . . . )
( R. L. Nuckolls III )
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Bob . . .
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( IF one aspires to be "world class", )
( what ever you do must be exercised )
( EVERY day . . . )
( R. L. Nuckolls III )
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