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This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_001_01BF77E9.93AFC5DE Content-Type: text/plain I just rigged up a DIR style harness, a la Todd Leonard, and I have a question about the position of the backplate on the twins relative to how high the manifold should be when wearing the rig? The new harness allows the tanks to sit a little lower on my back since I have to keep the shoulder straps a little looser to facilitate getting out of the rig easier. The lowering the tanks makes it a little more difficult to gain access to the tank valves should I ever need to stop a free flow or something, especially now since the crotch strap will significantly reduce the amount of upward play that there was in the old harness. So I am thinking about dropping the back plate a few inches compensate. At the moment I have not had the new harness in the water since all the water is frozen in Canada at this time of year, so all I have to go on is a fitting in my basement wearing my dry suit. Is there a rule of thumb or some trim/balance issues I should be aware of when positioning the backplate on the twins? Should the wing come to a certain height in relation to the manifold, or the manifold be a certain height in relation to your head, etc, or is comfort and ease of valve access the only issue here? I did have a quick look at the archive but did not see anything that exactly answered my questions. Sorry if this topic has already been beaten to death on this list, but, any info would be greatly appreciated! Paul ------_=_NextPart_001_01BF77E9.93AFC5DE Content-Type: text/html <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <META NAME="Generator" CONTENT="MS Exchange Server version 5.5.2651.65"> <TITLE>Manifold/backplate height?</TITLE> </HEAD> <BODY> <P><FONT SIZE=2 FACE="Arial">I just rigged up a DIR style harness, a la Todd Leonard, and I have </FONT> <BR><FONT SIZE=2 FACE="Arial">a question about the position of the backplate on the twins relative</FONT> <BR><FONT SIZE=2 FACE="Arial">to how high the manifold should be when wearing the rig? </FONT> </P> <P><FONT SIZE=2 FACE="Arial">The new harness allows the tanks to sit a little lower on my back since I have </FONT> <BR><FONT SIZE=2 FACE="Arial">to keep the shoulder straps a little looser to facilitate getting out of the rig</FONT> <BR><FONT SIZE=2 FACE="Arial">easier. The lowering the tanks makes it a little more difficult to gain access</FONT> <BR><FONT SIZE=2 FACE="Arial">to the tank valves should I ever need to stop a free flow or something,</FONT> <BR><FONT SIZE=2 FACE="Arial">especially now since the crotch strap will significantly reduce the amount of</FONT> <BR><FONT SIZE=2 FACE="Arial">upward play that there was in the old harness. So I am thinking about dropping</FONT> <BR><FONT SIZE=2 FACE="Arial">the back plate a few inches compensate.</FONT> </P> <P><FONT SIZE=2 FACE="Arial">At the moment I have not had the new harness in the water since all the</FONT> <BR><FONT SIZE=2 FACE="Arial">water is frozen in Canada at this time of year, so all I have to go on</FONT> <BR><FONT SIZE=2 FACE="Arial">is a fitting in my basement wearing my dry suit. Is there a rule of thumb</FONT> <BR><FONT SIZE=2 FACE="Arial">or some trim/balance issues I should be aware of when positioning the</FONT> <BR><FONT SIZE=2 FACE="Arial">backplate on the twins? Should the wing come to a certain height in</FONT> <BR><FONT SIZE=2 FACE="Arial">relation to the manifold, or the manifold be a certain height in</FONT> <BR><FONT SIZE=2 FACE="Arial">relation to your head, etc, or is comfort and ease of valve access the only</FONT> <BR><FONT SIZE=2 FACE="Arial">issue here?</FONT> </P> <P><FONT SIZE=2 FACE="Arial">I did have a quick look at the archive but did not see anything that</FONT> <BR><FONT SIZE=2 FACE="Arial">exactly answered my questions. Sorry if this topic has already been </FONT> <BR><FONT SIZE=2 FACE="Arial">beaten to death on this list, but, any info would be greatly appreciated!</FONT> </P> <BR> <P><FONT SIZE=2 FACE="Arial">Paul</FONT> </P> </BODY> </HTML> ------_=_NextPart_001_01BF77E9.93AFC5DE-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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