<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_ym18_1_1458581517315_5739"><span id="yui_3_16_0_ym18_1_1458581517315_5738">Won't the same diameter have the same wind resistance???</span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym18_1_1458581517315_5741"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym18_1_1458581517315_5701" style="display: block;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12px;" id="yui_3_16_0_ym18_1_1458581517315_5700"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym18_1_1458581517315_5699"> <div dir="ltr" id="yui_3_16_0_ym18_1_1458581517315_5743"> <font size="2" face="Arial" id="yui_3_16_0_ym18_1_1458581517315_5744"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Michael Sporer <pasta514@hotmail.com><br> <b><span style="font-weight: bold;">To:</span></b> tuna@myfleet.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Monday, March 21, 2016 9:19 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [Santana 22] Replacement Tuna rigging - Dyform or compacted wire, anyone?<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym18_1_1458581517315_5698"><br><div id="yiv0835354213"><div id="yui_3_16_0_ym18_1_1458581517315_5697">
I was under the impression that for a given nominal wire size the
compacted version had the same cross-section area of steel, same
strength, same weight and same stiffness, but had lower wind
resistance. That way in a pinch you can swap between the two types
without worrying about any differences in the really important
parameters.<br clear="none">
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<div class="yiv0835354213yqt4166792501" id="yiv0835354213yqtfd89690"><div class="yiv0835354213moz-cite-prefix">On 3/20/2016 11:02 PM, Jan Grygier
wrote:<br clear="none">
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<blockquote type="cite">
</blockquote></div></div><div class="yiv0835354213yqt4166792501" id="yiv0835354213yqtfd24672"><div id="yui_3_16_0_ym18_1_1458581517315_5755"><span style="font-size:12.0pt;" id="yui_3_16_0_ym18_1_1458581517315_5762"><span style="" id="yui_3_16_0_ym18_1_1458581517315_5761">Fellow Tuners,<br clear="none">
In a nasty blast a few weeks ago on the Bay, Carlos' mast
suddenly went sideways, outers parted at the top and inner at
the bottom. Amazingly mast is fine (and so are all the
crew). So I need to replace Carlos' standing rigging, and
someone suggested Dyform or "compacted strand" wire. They are
both SS wire but pack a bit more steel into the same diameter
(I think) and are therefore somewhat stronger and less
stretchy.<br clear="none">
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Does anyone have experience with either of these - or know
whether they are legal, for that matter? For reference, this
is what I see in the current rules (first entry is in main
body, second entry is in checklist):<br clear="none">
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<div class="yiv0835354213MsoNormal" style="margin-top:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in;"><span style="font-size:12.0pt;"><span style="">14.<span style="font:7.0pt;"> </span></span></span><span style="font-size:12.0pt;">Wire rigging shall be of
the same dimensions and materials as supplied by factory
except as to lower shrouds.<span style=""> </span>Turnbuckles
must be not less than factory specifications as to dimensions
and materials.<span style=""> </span>No rod
rigging is permitted.<span style=""> </span>It
is suggested that boats sailing in heavy air replace the
factory supplied 5/32” lower shrouds with 3/16” wire.</span></div>
<div class="yiv0835354213MsoNormal" style="margin-left:.5in;"><span style="font-size:10.0pt;">B.<span style=""> </span><span style="text-transform:uppercase;">Standing Rigging</span></span></div>
<span style="font-size:10.0pt;">1.<span style=""> </span>All rigging is 5/32”
SS wire. Lower shrouds 3/16” max. No rod rigging<br clear="none">
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Thanks much,<br clear="none">
Jan Grygier<br clear="none">
Carlos, Hull 320/sail 5020<br clear="none">
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