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This is a multi-part message in MIME format. ------=_NextPart_000_00A7_01C217E1.F58045A0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Chris, Since You are roughly the same ht/wt as I am, I would start with total weight of 30lbs. I would take 1/3 of the bouyant wt of your cylinders and subtract that with the backplate wt from your total need. So according to the specs for your tanks the full - empty wt is 7.73lbs so the result with the twins would be 5lbs and with the backplate another 6lbs. Hence you will need roughly an additional 19lbs. I'm no expert so I'm just giving you an idea for a starting point. Obviously, perform a basic bouyancy check in shallow water and bring some extra weights in case you miscalculated. Regards, Rob ------=_NextPart_000_00A7_01C217E1.F58045A0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; = charset=3Dus-ascii"> <TITLE>Message</TITLE> <META content=3D"MSHTML 6.00.2715.400" name=3DGENERATOR></HEAD> <BODY=20 style=3D"BORDER-RIGHT: medium none; BORDER-TOP: medium none; FONT: 10pt = verdana; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none"> <DIV><FONT face=3Dverdana> <DIV><SPAN class=3D224422205-20062002><FONT=20 face=3Dverdana>Chris,</FONT></SPAN></DIV> <DIV><SPAN class=3D224422205-20062002></SPAN> </DIV> <DIV><SPAN class=3D224422205-20062002><FONT face=3Dverdana>Since You are = roughly the=20 same ht/wt as I am, I would start with total weight of 30lbs. I = would take=20 1/3 of the bouyant wt of your cylinders and subtract that with the = backplate wt=20 from your total need. So according to the specs for your tanks the = full -=20 empty wt is 7.73lbs so the result with the twins would be 5lbs and with = the=20 backplate another 6lbs. Hence you will need roughly an additional=20 19lbs.</FONT></SPAN></DIV> <DIV><SPAN class=3D224422205-20062002></SPAN> </DIV> <DIV><SPAN class=3D224422205-20062002><FONT face=3Dverdana>I'm no expert = so I'm just=20 giving you an idea for a starting point. Obviously, perform a basic = bouyancy=20 check in shallow water and bring some extra weights in case you=20 miscalculated.</FONT></SPAN></DIV> <DIV><SPAN class=3D224422205-20062002></SPAN> </DIV> <DIV><SPAN class=3D224422205-20062002><FONT=20 face=3Dverdana>Regards,</FONT></SPAN></DIV> <DIV><SPAN = class=3D224422205-20062002>Rob</SPAN></FONT></DIV></DIV></BODY>&l t;/HTML> ------=_NextPart_000_00A7_01C217E1.F58045A0-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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