Hiss Drive Rover #2: Version 2.0

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Blog entry by RaggedKerf posted 10-18-2013 01:24 AM 1171 reads 0 times favorited 0 comments Add to Favorites Watch
« Part 1: Back to the Drawing Board Part 2 of Hiss Drive Rover series Part 3: Adding Support and Wheels »

With the approach of Comet ISON and the Mars 2014 apparition getting under way and me out of commission for the past 2 months with a back injury, I have been chomping at the bit to (1) get observing and (2) get cracking on the hiss drive rover.

It’s been a few months since the last entry (which I thought I had published already but…oops…it was still a draft until tonight) but all the real progress has taken place in the last three days or so.

To start, I constructed some more triangles out of wood, only this time it was two brackets attaching to one of the plywood boards I cut back in July. With the new band saw, this work was easy on the back and quick and precise (well, for me, at least). First came the brackets:

Then came the board:

And Bob’s your uncle, there’s half of the hiss drive! Everything is glued and screwed and solid. 15 Minutes later (now that I had everything figured out) I had the top half done!

My location demands that the piano hinge angle be 43.3°. Well, that precision is beyond my skills, so since I have an uneven driveway and yard (where I’ll be observing) I decided to take it easy, cut the angles at 45° and install a t-nut and bolt to bring the front end to 43°-ish. Close enough for government work…

The next step was attaching the board to the upper part, where the telescope will actually sit. I trimmed it to length and glued and screwed it down:

That was all the time I had and though my back still felt pretty good, I didn’t want to push my luck. But, progress, faster and better than version 1, that’s for sure!

-- Steve

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