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The PT Boat Forum ª PT Boats of WWII ª  PT Boats - General
 Author  Topic: For the experts:a question about hull grounding strips.
  Jerry Gilmartin

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Post a Reply To This Topic    Reply With Quotes     Edit Message     View Profile of Jerry Gilmartin   Send Email To Jerry Gilmartin Posted on: Nov 18, 2015 - 6:49pm
Hi Jeff,
Yes there is a braided wire strap brush that rubs on the shaft. I don't know if we copied that part. I will try to photograph some of the bonding system tomorrow when I go to the boat.

Jerry Gilmartin
PT658 Crewman
Portland OR

Total Posts: 1307 | Joined: Oct 8, 2006 - 11:16pm | IP Logged

Jeff D

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Post a Reply To This Topic    Reply With Quotes     Edit Message     View Profile of Jeff D   Send Email To Jeff D Posted on: Nov 19, 2015 - 4:45am
Thanks Jerry, it reminds me of the old slot cars with braided wire pickups I enjoyed when younger.

This is interesting to me finding out how extensive the grounding system in PTs were inside and out. I couldn't find anything in the drawings or build manual but a guess would be that those (tinned brass) keel shoe heads on the Elco boats were left unpainted.



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Daniele Klay

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Post a Reply To This Topic    Reply With Quotes     Edit Message     View Profile of Daniele Klay  Posted on: Nov 19, 2015 - 10:51pm
Jeff, actually-always according to those who know- the whole grounding apparatus suold be left unpainted.
BTW the question abuot the keel shoe jumpers:11 jumpers connect 12 sections section 3 through 14 and those are the submerged ones;in my opinion there would be little sope in connecting sections that are out of the water.
Greetings.

Daniele Kly

Total Posts: 126 | Joined: Jun 23, 2015 - 12:43pm | IP Logged

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