----- Original Message -----
Sent: Thursday, November 10, 2005
12:59 PM
Subject: RE: [PSUBS-MAILIST]
Stainless hatch ring
Brian,
I think you're fine as is. The one
that's really nice to have in stainless is the ring that your hatch lands
on, because in getting in and out you scratch tha paint very easily there.
But that said, all the home built subs I've seen so far have steel lands
due to the cost of a large stainless ring. The "pro" subs have SS there,
we just repaint.
rgds,
Alec
When I put together my domed hatch ( in my machining class) I
first had the hemisphere fabricated and then I had a 2" ring welded to
the edge of the hemisphere. At the time I was not
really clear on how everything was going to come together and now
in hind sight I realize that the 2" ring that I welded on should
have been stainless steel instead of what I used.
My question is, can I fabricate a stainless ring
and connect it to what I have now ? I could remove some
of that material ( the ring part ) which is 3/4" thick so as to
reduce the weight. I'm afraid if I don't make that ring part
thinner the hatch will be too dam heavy.
If I do add this new stainless ring should I just weld it to the
existing ring? and then put it in a giant lathe and machine it
true?
Here is a picture of the hatch cover:
Thanks
Brian