[PSUBS-MAILIST] new, improved hydrophone

["Jens Laland" <laland@artematrix.org>]

To everybody!

In connection with research prior to design and fabricate a new, and much
more improved hydrophone for use in personal submarines, we need help from
people having working experience with rotary vane vacuum pumps and
systems.

Such experience and advice is needed in connection with degassing of the
polyurethane components prior to mix and pour when potting hydrophones.
The same applies for high pressure cable seals into the transducer body
itself, ad when degassing oil prior to filling the hydrophone for pressure
compensation.

If yourself, or someone you know could be interested in participating,
please let me know.

Thank you!

Best regards,
Jens Laland





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