healeys
[Top] [All Lists]

Re: [Healeys] Rear Wheel Cylinder Retainers

To: healeyguy@aol.com
Subject: Re: [Healeys] Rear Wheel Cylinder Retainers
From: Bob Spidell <bspidell@comcast.net>
Date: Mon, 18 Jan 2021 10:38:19 -0800
Cc: "healeys@autox.team.net" <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <433a60aa-f3b1-3e43-e780-d1a3f091c108@comcast.net> <2096561742.710809.1610994513819@mail.yahoo.com>
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1
This is a multi-part message in MIME format.
--===============4264162716221739644==
 boundary="------------3A2D5C7797EFED05E0CA0EB3"
Content-Language: en-US

This is a multi-part message in MIME format.
--------------3A2D5C7797EFED05E0CA0EB3
Content-Transfer-Encoding: 8bit

That's what made the most sense to me, and how I've always installed 
them (my BN2 and BJ8 have the same rear brake setup). But "That's how 
we've always done it" ain't necessarily right.

On 1/18/2021 10:28 AM, healeyguy@aol.com wrote:
> Bob etal
> Mechanically it would make sense that the curve (bulge) part of the 
> spring plate is against the greased backing plate to minimize the 
> contact area thereby being a best case for sliding movement.  The 
> locking plate, being flat, minimizes the tilt  or rocking of the wheel 
> cylinder. Granted when everything is in place the bulge is minimal as 
> is the movement of the assembly. I guess compared to the BN1 set up, 
> this is a modern marvel!
>
> P
>
> -----Original Message-----
> From: Bob Spidell <bspidell@comcast.net>
> To: Healeys <healeys@autox.team.net>
> Sent: Mon, Jan 18, 2021 10:19 am
> Subject: [Healeys] Rear Wheel Cylinder Retainers
>
> Listers,
>
> I've replaced a few rear wheel cylinders and have always wondered about
> the 'proper' orientation of the two U-shaped plates that retain the
> cylinders. One of the U-shaped plates is flat with a couple notches at
> the 'top' of the U--if it was oriented like the letter--and one has a
> couple 'tangs' on top that hook into the notches to retain the two
> pieces (which are designed to slide against the backplate to enable
> 'self-energizing' or servo effect). The piece with the tangs is usually
> slightly bowed and springy--at least, mine are and I don't think I've
> ever bought new--apparently to spring load the two pieces, which
> interlock, but it could have been bent during re/assembly.
>
> My question is, does the notched, flat plate go against the brake
> backplate, or does the curved piece with the tangs go against the
> backplate? It may be that they can only be assembled in place in one
> way, and it seems they would function OK either way, but I've always
> installed them with the tanged, curved piece against the backplate, as
> it seems the cylinder would slide easier that way (I also put a little
> grease on the areas--cylinder and backplate--that slide or are slid
> against).
>
> TIA,
> Bob
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html 
> <http://www.team.net/donate.html>
> Suggested annual donation  $12.75
>
> Archive: http://www.team.net/pipermail/healeys 
> <http://www.team.net/pipermail/healeys>http://autox.team.net/archive 
> <http://autox.team.net/archive>
>
> http://autox.team.net/mailman/listinfo/healeys 
> <http://autox.team.net/mailman/listinfo/healeys>
>
> Unsubscribe/Manage: 
> http://autox.team.net/mailman/options/healeys/healeyguy@aol.com 
> <http://autox.team.net/mailman/options/healeys/healeyguy@aol.com>
>


--------------3A2D5C7797EFED05E0CA0EB3
Content-Transfer-Encoding: 8bit

<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    That's what made the most sense to me, and how I've always installed
    them (my BN2 and BJ8 have the same rear brake setup). But "That's
    how we've always done it" ain't necessarily right.<br>
    <br>
    <div class="moz-cite-prefix">On 1/18/2021 10:28 AM,
      <a class="moz-txt-link-abbreviated" 
href="mailto:healeyguy@aol.com";>healeyguy@aol.com</a> wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:2096561742.710809.1610994513819@mail.yahoo.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div style="color:black;font: 10pt Arial, Helvetica, sans-serif;">Bob
        etal
        <div>Mechanically it would make sense that the curve (bulge)
          part of the spring plate is against the greased backing plate
          to minimize the contact area thereby being a best case for
          sliding movement.  The locking plate, being flat, minimizes
          the tilt  or rocking of the wheel cylinder. Granted when
          everything is in place the bulge is minimal a<span
            style="font-size: 13.3333px;">s is the</span> movement of
          the assembly. I guess compared to the BN1 set up, this is a
          modern marvel!<br>
          <br>
          P<br>
          <br>
          <div
            
style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original
            Message-----<br>
            From: Bob Spidell <a class="moz-txt-link-rfc2396E" 
href="mailto:bspidell@comcast.net";>&lt;bspidell@comcast.net&gt;</a><br>
            To: Healeys <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys@autox.team.net";>&lt;healeys@autox.team.net&gt;</a><br>
            Sent: Mon, Jan 18, 2021 10:19 am<br>
            Subject: [Healeys] Rear Wheel Cylinder Retainers<br>
            <br>
            <div dir="ltr">Listers,<br>
            </div>
            <div dir="ltr"><br>
            </div>
            <div dir="ltr">I've replaced a few rear wheel cylinders and
              have always wondered about <br>
            </div>
            <div dir="ltr">the 'proper' orientation of the two U-shaped
              plates that retain the <br>
            </div>
            <div dir="ltr">cylinders. One of the U-shaped plates is flat
              with a couple notches at <br>
            </div>
            <div dir="ltr">the 'top' of the U--if it was oriented like
              the letter--and one has a <br>
            </div>
            <div dir="ltr">couple 'tangs' on top that hook into the
              notches to retain the two <br>
            </div>
            <div dir="ltr">pieces (which are designed to slide against
              the backplate to enable <br>
            </div>
            <div dir="ltr">'self-energizing' or servo effect). The piece
              with the tangs is usually <br>
            </div>
            <div dir="ltr">slightly bowed and springy--at least, mine
              are and I don't think I've <br>
            </div>
            <div dir="ltr">ever bought new--apparently to spring load
              the two pieces, which <br>
            </div>
            <div dir="ltr">interlock, but it could have been bent during
              re/assembly.<br>
            </div>
            <div dir="ltr"><br>
            </div>
            <div dir="ltr">My question is, does the notched, flat plate
              go against the brake <br>
            </div>
            <div dir="ltr">backplate, or does the curved piece with the
              tangs go against the <br>
            </div>
            <div dir="ltr">backplate? It may be that they can only be
              assembled in place in one <br>
            </div>
            <div dir="ltr">way, and it seems they would function OK
              either way, but I've always <br>
            </div>
            <div dir="ltr">installed them with the tanged, curved piece
              against the backplate, as <br>
            </div>
            <div dir="ltr">it seems the cylinder would slide easier that
              way (I also put a little <br>
            </div>
            <div dir="ltr">grease on the areas--cylinder and
              backplate--that slide or are slid <br>
            </div>
            <div dir="ltr">against).<br>
            </div>
            <div dir="ltr"><br>
            </div>
            <div dir="ltr">TIA,<br>
            </div>
            <div dir="ltr">Bob<br>
            </div>
            <div dir="ltr">_______________________________________________<br>
            </div>
            <div dir="ltr">Support Team.Net <a
                href="http://www.team.net/donate.html"; target="_blank"
                moz-do-not-send="true">http://www.team.net/donate.html</a><br>
            </div>
            <div dir="ltr">Suggested annual donation  $12.75<br>
            </div>
            <div dir="ltr"><br>
            </div>
            <div dir="ltr">Archive: <a
                href="http://www.team.net/pipermail/healeys";
                target="_blank" 
moz-do-not-send="true">http://www.team.net/pipermail/healeys
              </a><a href="http://autox.team.net/archive";
                target="_blank" 
moz-do-not-send="true">http://autox.team.net/archive</a><br>
            </div>
            <div dir="ltr"><br>
            </div>
            <div dir="ltr"><a ymailto="mailto:Healeys@autox.team.net";
                href="mailto:Healeys@autox.team.net";
                moz-do-not-send="true">Healeys@autox.team.net</a><br>
            </div>
            <div dir="ltr"><a
                href="http://autox.team.net/mailman/listinfo/healeys";
                target="_blank" 
moz-do-not-send="true">http://autox.team.net/mailman/listinfo/healeys</a><br>
            </div>
            <div dir="ltr"><br>
            </div>
            <div dir="ltr">Unsubscribe/Manage: <a
                
href="http://autox.team.net/mailman/options/healeys/healeyguy@aol.com";
                target="_blank" 
moz-do-not-send="true">http://autox.team.net/mailman/options/healeys/healeyguy@aol.com</a><br>
            </div>
            <div dir="ltr"><br>
            </div>
          </div>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
</html>

--------------3A2D5C7797EFED05E0CA0EB3--

--===============4264162716221739644==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive

Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys



--===============4264162716221739644==--

<Prev in Thread] Current Thread [Next in Thread>