Large Easy Build Clock by Steve Peterson

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SP4B: This is my easiest to build clock with a runtime of up to 23 days. The SP4B update is a major refresh to make the clock more reliable. This includes a more efficient gear tooth profile, updated frame, new winding key, plus a few additional updates. All these improvements make the clock more efficient so runtimes of 17 to 23 days are easily achievable. The original SP4 design had a maximum runtime of 21 days. The SP4B update increases the runtime to 23 days using slightly less weight and makes it more reliable. A description of the design update can be found at https://youtu.be/6UzRCrHQSnw A video of the original SP4 clock and its smaller sibling can be seen at https://youtu.be/djp73Q6tXZA The larger clock is shown about halfway into the video. Go to https://www.stevesclocks.com/sp4 to download the latest assembly guide. Use the forum at https://www.stevesclocks.com/forum to discuss clock making topics or assembly issues. Assembly is very similar to the smaller version of the clock. They can be seen at Part 1 - Subcomponent assembly https://youtu.be/gM1UZuv43u4 Part 2 - Final assembly https://youtu.be/SawrNzYoE2A Part 3 - Debug hints https://youtu.be/uQcfjhecORE This is a great starter clock because of the simplified construction. Various options are provided with runtimes ranging from 7.6 days to 22.5 days. The longest runtime of 22.5 days is a bit aggressive and the 17.1 day option would be more reliable. The shorter runtimes will be the most reliable and winding a…