Re: [ATM] wire spiders

["Alan Scott" <alanne1956@hotmail.com>]

Ah, I missed that.  Thanks, Mel.

alan


>From: "Mel Bartels" <mbartels@bbastrodesigns.com>
>To: <atm@atmlist.net>
>Subject: Re: [ATM] wire spiders
>Date: Sat, 14 Jan 2006 09:31:34 -0800
>
> > Mel's scope has a single ring too! There is no requirement that the
> > wires must cross - stability calls for some not too small angle between
> > the wires, so if you let them have a common origin at the cage, you
>
>My scopes have 100% consisted of single rings since 1992.  Look, the wires
>need to have some angle between them. Once this is accepted, then it is an
>engineering issue of how to create and distribute that angle.  The optimum
>is to cross the wires in the middle in the form of an X.  It is optimum to
>cross in the middle since that minimizes both the wire hub's length and the
>single ring's depth (I use a small aluminum rail to give the single ring
>depth).  To use a V style, then the wire hub has to be doubled in depth or
>length.  So in other words, you have a set length and it is up to you to
>distribute this length between the hub and the upper ring.
>
>Mel Bartels
>
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