[PSUBS-MAILIST] Sand Blasting

[David Colombo via Personal_Submersibles]

I was just thinking it would be bit less oily and sooty for working on if I
had it cleaned. The primer was just a thought to slow down any flash rust
while welding tabs etc.

Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
www.SeaQuestor.com


On Tue, Aug 14, 2018 at 2:34 PM, Alan via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> David,
> Some thoughts.
> I would consult your sand blaster to see if he is going to have problems
> getting in to the nose cone area. And also whoever is going to paint it
> to check that the intended primer doesn't have a set time by which it needs
> to have the next coat applied & that it is compatible with your intended
> marine
> paint system. If they specialise in marine paint application they should
> be able
> to give you advise on when to prime.
> I painted my sub with marine epoxy but had to buy specialised equipment
> to apply the extra thick paint. Started to get expensive.
> You may have a lot of attachment brackets you want to weld in for seats
> coms, scrubber, piping etc that you position at a later stage & that might
> burn your
> external primer.
> Another thought is that if you are getting it blasted professionally you
> don't
> want to do it twice. You want them to do it once just before painting &
> clean
> up around the welds for you.
> Cheers Alan
>
>
> On 15/08/2018, at 5:19 AM, David Colombo via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Hi Guys, I have a question on sandblasting my hull parts. The initial
> fabrication is almost complete and I was thinking that I might want to have
> the parts sand blasted prior to welding them all together. Maybe even a
> light primer seal coat to slow flash rust as it may be at the welders for a
> couple of weeks. Any thoughts or advice would be appreciated. I know right
> now every time I get near the parts I'm covered in black smudges.
>
>
> Best Regards,
> David Colombo
>
> 804 College Ave
> Santa Rosa, CA. 95404
> (707) 536-1424
> www.SeaQuestor.com
>
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