[PSUBS-MAILIST] MBT vent tube

[Douglas Suhr via Personal_Submersibles]

Looks good Rick!

By the way (for those who are interested), I did a bit of research into the
sand thing... turns out the idea behind using sand is all about heat. You
heat the sand prior to the bend (usually in an oven) and then carefully
pour the sand into the tube... this provides even heat distribution for
bending. ~ Doug

On Sat, Apr 18, 2020 at 1:40 PM Alec Smyth via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Outstanding!
>
> On Fri, Apr 17, 2020 at 8:50 PM Rick Patton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> Well I fabricated a jig on my fab table using 3/16” X 1 1/2” flat bar,
>> packed the 1” SS tube with sand, welded ends on it, said a few prayers and
>> went for it. I first tried cold bending it but needed a much stronger jig
>> for that so I pulled out my rose bud and hot bent it and it worked great!
>> Now I have a lot of buffing to do to make it look pretty again.
>> Rick
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