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Date: Sat, 2 May 1998 14:10:39 +0200 (MET DST)
To: techdiver@aquanaut.com
From: divetek@we*.ch* (Roberto Bagnasco)
Subject: Dolphin Pro DPV?

Questions:

Is there more energy stored in a compressed air tank (200bars/3000psi),
or in the equivalent weight of batteries and pressure-proof container?

What is more energy efficient, an electric motor or air driven?

As far as I know, all DPV are electric, or are there any air driven?

Roberto


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