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Re: [Roadsters] Rear Brake Swap

To: Pete <ppeters914@comcast.net>, Datsun Roadster List <datsun-roadsters@autox.team.net>
Subject: Re: [Roadsters] Rear Brake Swap
From: RWM via Datsun-roadsters <datsun-roadsters@autox.team.net>
Date: Thu, 3 Sep 2015 16:24:26 -0400
Delivered-to: mharc@autox.team.net
Delivered-to: datsun-roadsters@autox.team.net
Organization: R.W. Mann & Company, Inc. || Airline Industry Analysis
References: <55E4E1E6.8070906@RWMann.com> <1775020639.3715183.1441064274534.JavaMail.yahoo@mail.yahoo.com> <55E4E81D.7050405@RWMann.com> <20150901003436.5476434.6419.16484@comcast.net>
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    <font size="+1"><font face="Trebuchet MS">Anyone have experience
        with or know of a compatible/interchangeable <font
          face="Trebuchet MS">7/8" or 1<font face="Trebuchet MS">5/16"
            rear wheel cylinder?<br>
            <br>
            <font face="Trebuchet MS">Looking for more r<font
                face="Trebuchet MS">ear brake bias, and based on prior
                notes, the 13/16" doesn't seem to move the meter.<br>
                <br>
              </font></font></font></font>Thanks.<br>
        <br>
        <font face="Trebuchet MS">-  <font face="Trebuchet MS">Bob
            Mann, '68 2000 Solex<br>
            <br>
            <br>
          </font></font></font></font><br>
    <div class="moz-cite-prefix">On 8/31/2015 8:34 PM, Pete via
      Datsun-roadsters wrote:<br>
    </div>
    <blockquote cite="mid:20150901003436.5476434.6419.16484@comcast.net"
      type="cite">
      <div style="width: 100%; font-size: initial; font-family: Calibri,
        'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125);
        text-align: initial; background-color: rgb(255, 255, 255);">15/16
        is what the all drum 1500 and 410/411 use. </div>
      <div style="width: 100%; font-size: initial; font-family: Calibri,
        'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125);
        text-align: initial; background-color: rgb(255, 255, 255);"><br>
      </div>
      <div style="width: 100%; font-size: initial; font-family: Calibri,
        'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125);
        text-align: initial; background-color: rgb(255, 255, 255);">They
        also have two 1-inch wheel cylinders per front wheel. </div>
      <div style="width: 100%; font-size: initial; font-family: Calibri,
        'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125);
        text-align: initial; background-color: rgb(255, 255, 255);"><br>
      </div>
      <div style="width: 100%; font-size: initial; font-family: Calibri,
        'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125);
        text-align: initial; background-color: rgb(255, 255, 255);">Me
        likey disc brake mo bettah!</div>
      <div style="width: 100%; font-size: initial; font-family: Calibri,
        'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125);
        text-align: initial; background-color: rgb(255, 255, 255);"><br
          style="display:initial">
      </div>
      <div style="font-size: initial; font-family: Calibri, 'Slate Pro',
        sans-serif, sans-serif; color: rgb(31, 73, 125); text-align:
        initial; background-color: rgb(255, 255, 255);">Pete</div>
      <table style="background-color:white;border-spacing:0px;"
        width="100%">
        <tbody>
          <tr>
            <td colspan="2" style="font-size: initial; text-align:
              initial; background-color: rgb(255, 255, 255);">
              <div style="border-style: solid none none;
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                1pt; padding: 3pt 0in 0in; font-family: Tahoma, 'BB
                Alpha Sans', 'Slate Pro'; font-size: 10pt;">
                <div><b>From: </b>RWM via Datsun-roadsters</div>
                <div><b>Sent: </b>Monday, August 31, 2015 4:49 PM</div>
                <div><b>To: </b>Roy Haslett; Datsun Roadster Listserver</div>
                <div><b>Reply To: </b>RWM</div>
                <div><b>Subject: </b>Re: [Roadsters] Rear Brake Swap</div>
              </div>
            </td>
          </tr>
        </tbody>
      </table>
      <br>
      <div id="_originalContent" style="background-color: rgb(255, 255,
        255);">
        <meta content="text/html; charset=windows-1252"
          http-equiv="Content-Type">
        That seems to be the design point.  <br>
        <br>
        I wonder what happens if you go to 7/8" or 15/16" cylinders?<br>
        <br>
        <br>
        <div class="moz-cite-prefix">On 8/31/2015 7:37 PM, Roy Haslett
          wrote:<br>
        </div>
        <blockquote
cite="mid:1775020639.3715183.1441064274534.JavaMail.yahoo@mail.yahoo.com"
          type="cite">
          <div style="color:#000; background-color:#fff;
            font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial,
            Lucida Grande, sans-serif;font-size:16px">
            <div id="yui_3_16_0_1_1441064017868_3098" dir="ltr">If I
              really stand on the brakes I will get the back to lock up,
              but this is with a close adjustment, and I did not want
              drag on the rear so I backed it off a bit.  I think that
              the fronts are still doing 70% + of the stopping.<br>
            </div>
            <div id="yui_3_16_0_1_1441064017868_3097"><span></span></div>
            <br>
            <div id="yui_3_16_0_1_1441064017868_2958"
              style="font-family: HelveticaNeue, Helvetica Neue,
              Helvetica, Arial, Lucida Grande, sans-serif; font-size:
              16px;">
              <div id="yui_3_16_0_1_1441064017868_2957"
                style="font-family: HelveticaNeue, Helvetica Neue,
                Helvetica, Arial, Lucida Grande, sans-serif; font-size:
                16px;">
                <div id="yui_3_16_0_1_1441064017868_2956" dir="ltr">
                  <hr id="yui_3_16_0_1_1441064017868_3096" size="1"> <font
                    id="yui_3_16_0_1_1441064017868_2959" size="2"
                    face="Arial"> <b><span 
style="font-weight:bold;">From:</span></b>
                    RWM <a moz-do-not-send="true"
                      class="moz-txt-link-rfc2396E"
                      
href="mailto:RWM@RWMann.com";>&lt;RWM@RWMann.com&gt;</a><br>
                    <b><span style="font-weight: bold;">To:</span></b>
                    Roy Haslett <a moz-do-not-send="true"
                      class="moz-txt-link-rfc2396E"
                      
href="mailto:hrhaslett@yahoo.com";>&lt;hrhaslett@yahoo.com&gt;</a>;
                    Datsun Roadster Listserver <a
                      moz-do-not-send="true"
                      class="moz-txt-link-rfc2396E"
                      href="mailto:datsun-roadsters@autox.team.net";><a 
class="moz-txt-link-rfc2396E" 
href="mailto:datsun-roadsters@autox.team.net";>&lt;datsun-roadsters@autox.team.net&gt;</a></a>
                    <br>
                    <b id="yui_3_16_0_1_1441064017868_3088"><span
                        id="yui_3_16_0_1_1441064017868_3087"
                        style="font-weight: bold;">Sent:</span></b>
                    Monday, August 31, 2015 4:23 PM<br>
                    <b><span style="font-weight: bold;">Subject:</span></b>
                    Re: [Roadsters] Rear Brake Swap<br>
                  </font> </div>
                <div id="yui_3_16_0_1_1441064017868_2960"
                  class="y_msg_container"><br>
                  <div id="yiv6205076754">
                    <div id="yui_3_16_0_1_1441064017868_2961"> Thanks,
                      Roy.<br clear="none">
                      <br clear="none">
                      With the 13/16" cylinders, can you get the rears
                      to lock up before the fronts? Or a rearward brake
                      bias?<br clear="none">
                      <br clear="none">
                      - Bob<br clear="none">
                      <br clear="none">
                      <br clear="none">
                      <br clear="none">
                      <div class="qtdSeparateBR"><br>
                        <br>
                      </div>
                      <div class="yiv6205076754yqt5511988369"
                        id="yiv6205076754yqt13282">
                        <div class="yiv6205076754moz-cite-prefix">On
                          8/31/2015 7:13 PM, Roy Haslett wrote:<br
                            clear="none">
                        </div>
                        <blockquote type="cite">
                          <div
                            
style="color:#000;background-color:#fff;font-family:HelveticaNeue,
                            Helvetica Neue, Helvetica, Arial, Lucida
                            Grande, sans-serif;font-size:16px;">Did not
                            notice any difference, however, the brakes
                            weren't really functioning very well.  All
                            13/16 now.<br clear="none">
                            <div><span></span></div>
                            <br clear="none">
                            <div style="font-family:HelveticaNeue,
                              Helvetica Neue, Helvetica, Arial, Lucida
                              Grande, sans-serif;font-size:16px;">
                              <div style="font-family:HelveticaNeue,
                                Helvetica Neue, Helvetica, Arial, Lucida
                                Grande, sans-serif;font-size:16px;">
                                <div dir="ltr">
                                  <hr size="1"> <font size="2"
                                    face="Arial"> <b><span
                                        
style="font-weight:bold;">From:</span></b>
                                    RWM <a moz-do-not-send="true"
                                      rel="nofollow" shape="rect"
                                      class="yiv6205076754moz-txt-link-rfc2396E"
                                      ymailto="mailto:RWM@RWMann.com";
                                      target="_blank"
                                      
href="mailto:RWM@RWMann.com";>&lt;RWM@RWMann.com&gt;</a><br
                                      clear="none">
                                    <b><span 
style="font-weight:bold;">To:</span></b>
                                    Roy Haslett <a
                                      moz-do-not-send="true"
                                      rel="nofollow" shape="rect"
                                      class="yiv6205076754moz-txt-link-rfc2396E"
ymailto="mailto:hrhaslett@yahoo.com"; target="_blank"
                                      href="mailto:hrhaslett@yahoo.com";><a 
class="moz-txt-link-rfc2396E" 
href="mailto:hrhaslett@yahoo.com";>&lt;hrhaslett@yahoo.com&gt;</a></a>;
                                    Datsun Roadster Listserver <a
                                      moz-do-not-send="true"
                                      class="moz-txt-link-rfc2396E"
                                      
href="mailto:datsun-roadsters@autox.team.net";><a class="moz-txt-link-rfc2396E" 
href="mailto:datsun-roadsters@autox.team.net";>&lt;datsun-roadsters@autox.team.net&gt;</a></a>
                                    <br clear="none">
                                    <b><span 
style="font-weight:bold;">Sent:</span></b>
                                    Monday, August 31, 2015 11:41 AM<br
                                      clear="none">
                                    <b><span 
style="font-weight:bold;">Subject:</span></b>
                                    Re: [Roadsters] Rear Brake Swap<br
                                      clear="none">
                                  </font> </div>
                                <div
                                  class="yiv6205076754y_msg_container"><br
                                    clear="none">
                                  <div id="yiv6205076754">
                                    <div> <font size="+1"><font
                                          face="Trebuchet MS">Roy,<br
                                            clear="none">
                                          <br clear="none">
                                          I gather you didn't notice the
                                          asymmetry until the rebuild?<br
                                            clear="none">
                                          <br clear="none">
                                          Did you go all 3/4 or all
                                          13/16?<br clear="none">
                                          <br clear="none">
                                          Any apparent difference once
                                          changed?<br clear="none">
                                          <br clear="none">
                                          - Bob<br clear="none">
                                        </font></font><br clear="none">
                                      <br clear="none">
                                      <br clear="none">
                                      <div
                                        class="yiv6205076754qtdSeparateBR"><br
                                          clear="none">
                                        <br clear="none">
                                      </div>
                                      <div
                                        class="yiv6205076754yqt1569223162"
                                        id="yiv6205076754yqtfd48443">
                                        <div
                                          
class="yiv6205076754moz-cite-prefix">On


                                          8/31/2015 2:34 PM, Roy Haslett
                                          wrote:<br clear="none">
                                        </div>
                                        <blockquote type="cite">
                                          <div
                                            
style="color:#000;background-color:#fff;font-family:HelveticaNeue,
                                            Helvetica Neue, Helvetica,
                                            Arial, Lucida Grande,
                                            sans-serif;font-size:16px;">
                                            <div dir="ltr">I actually
                                              have a 67 1600 and when I
                                              went to rebuild my rear
                                              cylinders I discovered I
                                              had a 3/4 on one wheel and
                                              a 13/16 on the other. 
                                              13/16 is stock and now
                                              hard to find and
                                              expensive, but I tend to
                                              follow what was originally
                                              engineered and designed
                                              for the car.<br
                                                clear="none">
                                            </div>
                                            <br clear="none">
                                            <div
                                              style="font-family:HelveticaNeue,
                                              Helvetica Neue, Helvetica,
                                              Arial, Lucida Grande,
                                              sans-serif;font-size:16px;">
                                              <div
                                                
style="font-family:HelveticaNeue,
                                                Helvetica Neue,
                                                Helvetica, Arial, Lucida
                                                Grande,
                                                sans-serif;font-size:16px;">
                                                <div dir="ltr">
                                                  <hr size="1"> <font
                                                    size="2"
                                                    face="Arial"> <b><span
style="font-weight:bold;">From:</span></b> RWM via Datsun-roadsters <a
moz-do-not-send="true" class="moz-txt-link-rfc2396E"
                                                      
href="mailto:datsun-roadsters@autox.team.net";><a class="moz-txt-link-rfc2396E" 
href="mailto:datsun-roadsters@autox.team.net";>&lt;datsun-roadsters@autox.team.net&gt;</a></a><br
                                                      clear="none">
                                                    <b><span
                                                        
style="font-weight:bold;">To:</span></b>
                                                    Datsun Roadster
                                                    Listserver <a
                                                      moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
                                                      
href="mailto:datsun-roadsters@autox.team.net";><a class="moz-txt-link-rfc2396E" 
href="mailto:datsun-roadsters@autox.team.net";>&lt;datsun-roadsters@autox.team.net&gt;</a></a>
                                                    <br clear="none">
                                                    <b><span
                                                        
style="font-weight:bold;">Sent:</span></b>
                                                    Sunday, August 30,
                                                    2015 3:14 PM<br
                                                      clear="none">
                                                    <b><span
                                                        
style="font-weight:bold;">Subject:</span></b>
                                                    Re: [Roadsters] Rear
                                                    Brake Swap<br
                                                      clear="none">
                                                  </font> </div>
                                                <div
                                                  
class="yiv6205076754y_msg_container"><br
                                                    clear="none">
                                                  Any update to this
                                                  vintage 1999 thread?<br
                                                    clear="none">
                                                  <br clear="none">
                                                  <a
                                                    moz-do-not-send="true"
                                                    rel="nofollow"
                                                    shape="rect"
                                                    target="_blank"
                                                    
href="http://www.team.net/html/datsun-roadsters/1999-11/msg00700.html";><a 
class="moz-txt-link-freetext" 
href="http://www.team.net/html/datsun-roadsters/1999-11/msg00700.html";>http://www.team.net/html/datsun-roadsters/1999-11/msg00700.html</a></a><br
                                                    clear="none">
                                                  <br clear="none">
                                                  Are there functional,
                                                  plug-and-play
                                                  substitutions for the
                                                  late roadster <br
                                                    clear="none">
                                                  3/4" rear wheel
                                                  cylinders from other
                                                  period Datsun brake
                                                  parts?<br clear="none">
                                                  <br clear="none">
                                                  Such as rear wheel
                                                  cylinders from the
                                                  1200, B210, 510, 617,
                                                  710?<br clear="none">
                                                  <br clear="none">
                                                  Did the debate over
                                                  how to get more
                                                  braking action at the
                                                  rear (by using <br
                                                    clear="none">
                                                  either 11/16 or 13/16
                                                  cylinders) ever
                                                  conclude?<br
                                                    clear="none">
                                                  <br clear="none">
                                                  Thanks.<br
                                                    clear="none">
                                                  <br clear="none">
                                                  - Bob Mann, '68 2000
                                                  Solex</div>
                                              </div>
                                            </div>
                                          </div>
                                        </blockquote>
                                      </div>
                                    </div>
                                  </div>
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                            </div>
                          </div>
                        </blockquote>
                      </div>
                    </div>
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        </blockquote>
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    <pre class="moz-signature" cols="72">-- 
R.W. Mann &amp; Company, Inc.   &gt;&gt;  Airline Industry Analysis
Port Washington, NY  11050  &gt;&gt;  tel 516-944-0900, fax -7280
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href="mailto:info@RWMann.com";>mailto:info@RWMann.com</a>      &gt;&gt;  URL <a 
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