ATM [Fwd: Dobsonian Assistance]

[Mel Bartels <mbartels@efn.org>]

MR CHRIS J KLINE wrote:

> Hello, I am constructing a 10" truss within the month (school has
> delayed it 2 months!) but I have a few questions:
>
> -Is a single ring for the upper assembly adequite for high power work
> with a 2" focuser?  I mean, is hanging the focuser off the ring ok?
>
> -I have a novak mirror cell now, can I use the top part of it (not
> the tube connector section) and connect it to some steel rungs, like
> a tailgate?
>
> -How do I center the mirror cell with the mirror in it perfectly?
> I've heard just the slightest error will ruin the scope.
>
> Thanks to all.
>
> Chris Kline
> www.stargazing.net/kas
>
> PS: Is using 1/2" baltic birch and 3/4" poles good for the general
> construction, keeping in mind I'm only 15 and 110lbs.



--
Clear skies, Mel Bartels
http://www.efn.org/~mbartels