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#11
12-30-2010, 09:32 PM
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Longitude
A amazing story. The effort Harrison put into perfecting the clocks, and the crap he had to put up with from peolpe who where also after the solution to the longitude problem, made it one of my favorite non-fiction books. I liked the book better, more informative, less melodromatic.
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#12
12-30-2010, 10:58 PM
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Books usually are better. It is amazing how few people I have met that even know this story. A lesson in perseverance. Your gear design looks really great. I used to make gears from scratch (metal), and for a short time, apprenticed cutting gears for the main rotor drive gear in the transmission housings of CH53 series Sikorsky Helicopters. There are some interesting paper used for measuring the pressure placed on the contact area of the gears that are meshing, the paper is placed between the contact areas.. Very strenuous and precise work.
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#13
12-31-2010, 09:47 AM
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Thanks for that tip! I looked at Tor years ago, but rejected it for some reason, I can't remember why. Maybe because web-based proxies are a simpler solution and for a long time worked fine. Only in the last year or so have YouTube and Vimeo been placed behind a more formidable section of The Great Firewall, where web proxies are not enough to reach them. So... maybe I need to look into Tor again! But I have to get it somewhere else - that link you provided is blocked. Ha, life in China!  新年快乐! - "Xin Nian Kuai Le!" - Happy New Year to you, and to all fellow card modelers!
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#14
01-03-2011, 08:39 PM
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Here you go ArtDeco, these are the four types of gears necessary for the clock I've designed. 12 Teeth gears atop one of 18, 24, and 30 teeth, respectively.
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Linear Mode
