[PSUBS-MAILIST] right side up compensator

[Alan via Personal_Submersibles]

Brian,
that would work to 30ft at the most. 
If the volume in the reservoir was 1 litre & the volume in the hose going
down in to the water was half a litre, then at 30ft the volume would be compressed 
to half. So the reservoir needs another half a litre to achieve this. And that 
would mean that the half a litre in the hose would move in to the reservoir &
the hose would fill up with water.
The main problem is you haven't worked out how much the oil might expand.
If you did that you would have a ball park figure to work on.
You may find that a hose without a reservoir would suffice.
Or hose with small bladder on the end.
Cheers Alan


> On 28/03/2020, at 8:20 AM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Here it is right side up hopefully 
> <IMGr_1522.jpg>
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