Re: Astrosib RC's

On Thu, 26 Apr 2007 04:27:11 GMT, "George Normandin"
<georgepn@xxxxxxxxxxxxxxxx> wrote:

While it is possible for an amateur to make an RC, the
design does have greater mechanical tolerance requirements than other
designs.

IMO, not significantly so. I did mechanical designs for both a 0.5m and
a 1.0 meter RC, and the mechanical requirements are not significantly
different than for a classical Cassegrain. Unless I were designing for
an optimum minimal design (for instance, a scope that needed to be
optimally light for some reason), I wouldn't be looking at a different
mechanical system for either. Both would be sufficiently over-engineered
that flexure would be significantly smaller than necessary to impact
optical performance.

Again, building an RC is well within the capabilities of many ATMs.

_________________________________________________

Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
.

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