Category Archives: Dome Project

Motorizing the dome

So several tests of the original plan of using a friction-wheel to spin the dome suggested that while it would “work”, it was neither reliable nor consistent. Matthias Wandel to the rescue! Using Matthias’s gear template generator I spec’d out a ring … Continue reading

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Current works in progress

Been too long. 🙂 The trip to Marathon was less than I’d hoped.  Well, let me correct that…the TRIP was fantastic.  Had a great time, loved being down there, and thoroughly enjoyed the time with friends and my son.  The … Continue reading

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ASCOM shutter control

The Arduino code has reached MVP for the shutter door, and the ASCOm driver has been started.  Enough has been written to allow ASCOM control of the shutter via Sequence Generator Pro.

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Pro tip

Shorting your 12V DC power supply across your Arduino and motor controller is bad.

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Motorizing the Shutter Door

IT WORKS! 🙂 In my spare time this week, with the kids’ help, I was able to build the motor-drive system for the shutter door.  It’s a simple system, using a windshield washer motor and a wood gear and rack … Continue reading

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Shutter “complete”

Yeah, “complete” in quotes.  Still some finishing work to do, of course, and painting and so on…but the main assembly is done.  Both sides skinned… The door frame was then positioned correctly, so the drawer slides could be aligned and … Continue reading

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Shutter progress

Was able to make some progress on the shutter this past weekend.  The frame for the shutter “door” is now complete, including the drawer slide components.  2 more cross braces are present that aren’t seen in this image. Also got … Continue reading

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First shutter slider complete!

Tonight’s task was to create the first “shutter slider”…the arc that will carry the shutter doors. The basic idea is one “slider” on each side will ride in the previously cut slots using track rollers (cam followers) mounted in countersunk … Continue reading

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Oops…and un-oops

So yeah.  Geometry is hard, apparently. Spent the weekend routing the slots for the shutter rollers. This went well.  Made up a pretty slick trammel for my router and everything rolled along quite smoothly. After routing slots in both shutter … Continue reading

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Shutter Arcs

After accomplishing next to nothing for about 2 weeks due to one of the more obnoxious head colds I’ve come across, back at it this weekend. Pictured below are the “shutter arcs”.  These will be the first arcs to go … Continue reading

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