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Hi Jack,
Looks like a good start to me. I wasn't able to open your newt file as I don't have that program on my laptop.
I have a few questions:
1. Have you calculated the centre of gravity for the completed telescope tube? Using the K&B model, this needs to be calculated to establish the height of the mirror box and the altitude trunion location.
2. What is the inside diameter of your secondary cage?
3. What tools/fabrication capability do you have at home?
4. Yes, I would be a little concerned re using a 2" travel focuser drawtube as it may partially obstruct the light path with larger field stop eyepieces. You would needto raytrace this though.
5. To me, if your budget is limited, the Moonlite connectors seem rather expensive. Nice to use though.
I will send you a PM with my phone number if you would like to discuss over the phone.
Cheers,
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