[PSUBS-MAILIST] buoyancy

Wed Apr 15 04:07:43 EDT 2020

Good to know as a plan B. What radius were you bending to?

On Wed, Apr 15, 2020 at 7:57 AM Alec Smyth via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Ah, I did the same at one time on Shackleton - 1” SS tubing with Swagelok
> fittings. The bending machine did it fine and I used the standard rollers.
>
> Sent from my iPhone
>
> On Apr 15, 2020, at 1:48 PM, Rick Patton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> 
> I up sized the MBT vent tubing on my 350 to 1" and so I need to have it
> wrap around the con until it gets below the external exhaust valve and the
> con is 24" dia. I have the sand and the tubing already so I'll let everyone
> know how it comes out.
> Those tube rollers are nice but you need a dye for ever size tube you want
> to roll which can get expensive unless you only roll one size all the time.
> Rick
>
> On Wed, Apr 15, 2020 at 1:47 AM Alec Smyth via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>> 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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