<div dir="ltr">It's also much more stable as a formation, having four points of contact with the floor rather than two.  Hence you're using less effort to keep it stable and more goes into turning it round.</div><div class="gmail_extra"><br><div class="gmail_quote">On 16 April 2018 at 05:53, Bob Green via Callers <span dir="ltr"><<a href="mailto:callers@lists.sharedweight.net" target="_blank">callers@lists.sharedweight.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>...and the radius of the circle is smaller.<br><br></div>Bob Green<br><div class="gmail_extra"><br><br></div></div><div id="m_-4517764319793485111DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
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