[PSUBS-MAILIST] buoyancy

[Alec Smyth via Personal_Submersibles]

Ouch, I forgot you were in Hawaii. I actually can't recall what sort of jig
I used because that little experiment was quite a few years ago. What I've
been using in recent times is this:

https://www.harborfreight.com/automotive/auto-body-trim/metalwork-tools/tubing-roller-99736.html


I've been very happy with it, but it's not for small diameter work. What is
it you're trying to make?

On Wed, Apr 15, 2020 at 1:49 AM Rick Patton via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Did you use a rose bud and was your jig something welded to the table like
> flat bar or steel tabs tacked to the table close together? that was what i
> was thinking of doing. I hate to send it to the East coast from Hawaii if I
> don't have to.
>
> On Tue, Apr 14, 2020 at 5:49 PM Alec Smyth via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> It dimpled just like it had without sand. Its a well known technique, but
>> there must be something more to it beyond than filling the pipe with sand
>> and blocking the ends.
>>
>> :)
>>
>> On Tue, Apr 14, 2020 at 11:28 PM Rick Patton via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>> Thanks Alec,
>>> What happened when you tried it and did you have a good jig to bend it
>>> around?
>>>
>>> Rick
>>>
>>> On Tue, Apr 14, 2020 at 5:13 PM Alec Smyth via Personal_Submersibles <
>>> personal_submersibles at psubs.org> wrote:
>>>
>>>> Hi Rick,
>>>>
>>>> I've attempted the sand technique with no luck. I do have a couple of
>>>> simple bending machines, but if its something difficult there's an outfit
>>>> in Maryland that does nothing but bending. I've used their services many
>>>> times, and can't recommend them more highly.
>>>>
>>>> https://www.josephkavanaghco.com/
>>>>
>>>>
>>>> Best,
>>>> Alec
>>>>
>>>> On Tue, Apr 14, 2020 at 10:52 PM Rick Patton via Personal_Submersibles <
>>>> personal_submersibles at psubs.org> wrote:
>>>>
>>>>> A reach out to the K-350 gang. Do any of you happen to know the total
>>>>> payload weight (two people)  the boat is designed for with the MBT's and
>>>>> VBT flooded?
>>>>> Also, has anyone hot bent SS tubing with sand im it in a tight radius
>>>>> before with good results?
>>>>> I am going for a 25"/26" diameter.
>>>>> Thanks
>>>>> Hope all are doing OK with this friggin virus going around.
>>>>> Rick
>>>>>
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