![]() Some years ago now I designed Clock 15 with a Grasshopper escapement and incorporated it into an Art Nouveau themed clock. The clock is less accurate than the original because of way in which the impulse is applied to the pendulum, but the smooth nature of this more than compensates. The prototype runs for 20 hours and has been running for around a month now and is keeping good time to within 2 minutes in a 20-hour period. One of the nice features of this design other than its novelty is that the Hour and Minute hands are directly connected so that turning the Minute hand also adjusts the Hour hand in the correct ratio of 12:1. This mechanism was originally designed by Clockmaker Aaron Dodd Crane around 1830 and is incorporated here in a slightly modified form to show off the Daisy Motion more clearly. The original Graham Escapement has been replaced with a Grasshopper type which is more complex to make but has a much more elegant action as can be seen in the accompanying video.įor the first time on any of my clocks I have incorporated a Daisy Wheel Motion to drive the Hour hand. It is therefore a logical progression for the builder who has finished the Starter clock and wants to move on to something more demanding. 47 has been designed and built in inches and like its predecessor, now has a second version that is a bit more challenging, but still not requiring the use of a lathe or the more complex parts in some of the other clocks found here. I have actually given up trying to get it to run any better as I am beginning to think its due to temperature fluctuations that have be occurring recently. ![]() The prototype runs for 25 hours and has been running for several weeks now and is keeping good time to within 20 seconds in a 24-hour period. I have shown it here with a Brass weight but I have also included the files for the construction of a box to hold either Lead Shot or Catapult Ammo (ball Bearings) to provide an easily adjustable weight. although I would recommend you have some form of drill press to assemble the gears to the shafts. It is designed such that all of the parts can be cut with your CNC machine so no need for a lathe on this one. ![]() This arrangement combined with the simplified Escapement makes it easier and quicker to build without loosing any accuracy. It is also folded over on itself so as to make it more compact and yet run for longer with less weight. I have used a new design for the gear train which has one less shaft and two less gears than the ones used before. This clock I have termed the Crown because it does have a passing resemblance to one and it is after all the year of the Queens Jubilee. If you would like to receive occasional newsletters about new clock releases then use the Subscribe button above. I hope you find your visit to the site rewarding and if you have any comments or suggestions please contact me. I should emphasise here that I do not send printed copies of the files, I only supply the files so that you can either print them out yourself or use DXF files to machine your own parts. ![]() The original clocks are still available for free but as the new clocks appear I will make a charge for the files. Now it is more common to use some form of CNC machining to produce the gear profiles, so the DXF files for the clocks are available and in some cases the 3D model files as well. The earlier clocks were originally drawn to scale so that the prints could be attached directly to the timber and a band saw or scroll saw used to cut around the profiles. At present there are Twenty one sets of plans available, and it is intended to add to them as new designs become available.Įach clock design is illustrated with a series of rendered images, and a set of drawings, drawn to scale and presented as PDF files. The plans on this site are those of clocks designed by myself over the last few years. Free plans to help you build a wooden clock. ![]()
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