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Gordon

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Since: Dec 01, 2006
Posts: 31



(Msg. 1) Posted: Sun Jun 17, 2007 9:42 am
Post subject: Barrier coat
Archived from groups: rec>boats>building (more info?)
Getting ready to epoxy barrier coat but what do I do with the bare
lead keel? Fair it and epoxy? Will epoxy even adhere to it? Will this
cause a problem using the lead keel as a ground plane for the ssb?
Gordon

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Meindert Sprang

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Since: Feb 01, 2006
Posts: 145



(Msg. 2) Posted: Mon Jun 18, 2007 4:55 am
Post subject: Re: Barrier coat [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
"Gordon" <gazuum.TakeThisOut@olypen.com> wrote in message
news:137ap01l0j03reb@corp.supernews.com...
> Getting ready to epoxy barrier coat but what do I do with the bare
> lead keel? Fair it and epoxy? Will epoxy even adhere to it? Will this
> cause a problem using the lead keel as a ground plane for the ssb?
> Gordon

Me thinks the the mfg's documentation could tell you whether it sticks to
lead, but I suspect it will. This is a pure mechanical bond so if you
provide the grip by sanding it the lead, the pox will stick.

It will not cause a problem for you SSB. The epoxy will isolate the keel
from water for DC but for RF it will be just one large capacitor with a very
low impedance (read; resistance for RF).

Meindert

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roger

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Since: Aug 11, 2007
Posts: 17



(Msg. 3) Posted: Sat Aug 11, 2007 3:37 pm
Post subject: Re: Barrier coat [Login to view extended thread Info.]
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On Jun 17, 12:42 pm, Gordon <gaz... RemoveThis @olypen.com> wrote:
> Getting ready to epoxy barrier coat but what do I do with the bare
> lead keel? Fair it and epoxy? Will epoxy even adhere to it? Will this
> cause a problem using the lead keel as a ground plane for the ssb?
> Gordon

Fair it up with epoxy based fairing compound. You can make your own.
Epoxy will stick just fine if you prep it correctly
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