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Changed my mind!

1/28/2013

Well what a difference a day makes! After finishing my compound pulley block highlighted in the previous post. I began finalizing the fit and action prior to the glue up. I wasn't happy with the action of the excavator bucket. Lots of head scratching and trial fitting lead be to a more elegant design which rendered the pulley block obsolete! Oh well, I'll save it in the spare parts drawer. It will get used someday!

So here's a view with some paint on. I am hoping for completion over the next week.

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Excavator Progress

5/23/2012

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Not a whole lot of progress on the automata front this week. I spent a lot of time working the railroad this past weekend. Weather was really nice so visitors are starting to show up.

Anyway I did manage to get the excavator for "Call Before You Dig" close to done. I need to adjust the boom at the lower end to coordinate with a revised design of the gear train assembly. I also do not have an operator In the cab yet!
The dowel extension on the front corner is temporary!

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Hoe Hoe Hoe.

5/14/2012

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Well, I got started on my new piece this week. Usually I'm fairly practical and work on the mechanism first but his time I could not resist starting with the top works. On the right is a photo of the arm of an excavator which is part of the piece. The boom is 1/2" wide and the bucket is about 2-1/2" long.

When completed the bucket will pivot and the arm tips giving it a reasonable digging motion.

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Al's Automata Blog

Changed my mind!

Excavator Progress

Hoe Hoe Hoe.

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