water or air
Sent by Don
I build a sub that would have minimum draft. I would asume that i would need large ballast tanks to do this. Is it better to pump water in and out rather than air?Thanks in advance for any info on this Don
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Sent by Don
I build a sub that would have minimum draft. I would asume that i would need large ballast tanks to do this. Is it better to pump water in and out rather than air?