[PSUBS-MAILIST] Test

[hank pronk via Personal_Submersibles]

Sean,Thank you.  I can's see the contact pressure being any big deal when you consider how little buoyancy is produced.  I would think the issue would be motion from travel down the road.  My thought was to fill 4 inch plastic pipe with micro spheres.  With the small diameter pipe, the contact from  upward force on the spheres would be minimal.  After considering this idea further, I would not use oil but water with a filtered vent for compensation.  By using water I would loose some buoyancy but it would allow me to drain each of the ten tubes into a vat to separate the failed spheres and replace them with buoyant spheres.  This could be done after each dive until a failure rate was established, if, there is a failure rate.  It could end up being an annual process like changing the WD 40 in the motors.  If this could work it would cost 1,500 dollars and that is buying it at  small quantity pricing.  
Is there a safety margin established for buoyancy material?Hank
 

    On Monday, June 12, 2017 7:08 PM, David Colombo via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

 Hi Guys, I sent an email last week and I think it may have not went thru. Anybody out there?

Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
www.SeaQuestor.com

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