<DIV style="font-family:Arial, sans-serif; font-size:10pt;"><DIV>Thanks' David I'll take a look at that.  I know it's a bit more work but I sort of like the idea of the lead balls.  I'll test to make sure no clogging occurs  , a 5 inch hole should be plenty big.</DIV><DIV> </DIV><DIV>Brian<BR><BR>--- personal_submersibles@psubs.org wrote:<BR><BR>From: David Colombo via Personal_Submersibles <personal_submersibles@psubs.org><BR>To: Personal Submersibles General Discussion <personal_submersibles@psubs.org><BR>Subject: Re: [PSUBS-MAILIST] Drop weight design<BR>Date: Fri, 16 Sep 2016 08:03:54 -0700<BR><BR></DIV><P dir="ltr">Hi Brian, take a look at James Camron's sub. He used lead shot. I remember seeing a video on some of the design challenges on how the hopper opened. Might be worth a look.<BR>
David Colombo</P></DIV>
<DIV>On Sep 16, 2016 5:49 AM, "Jens Laland via Personal_Submersibles" <<A href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>> wrote:<BR><BLOCKQUOTE style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;">Gentlemen,<BR>
<BR>
If I'm not wrong, I think the French used a whole lot of off-the-shelf<BR>
lead balls (as used in shotguns) in two individual pellet ballast<BR>
hoppers when they operated the "Trieste" back in the 50's, ref<BR>
<A href="https://upload.wikimedia.org/wikipedia/commons/3/31/Trieste_nh96807.svg">https://upload.wikimedia.org/wikipedia/commons/3/31/Trieste_nh96807.svg</A><BR>
<BR>
Best regards,<BR>
Jens Laland<BR>
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