Recent Posts

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Bearings / Re: Bearings for a wooden clock?
« Last post by malkova on September 29, 2016, 08:09:05 AM »
Thanks guys, found a lot of useful information! happy to join your community!
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The Grasshopper escapement / fifa coins generator no survey nhl 17 coins for sale ps4
« Last post by gyy123 on September 26, 2016, 11:41:16 PM »
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3
Gallery / Another new clock
« Last post by jrbeall on September 24, 2016, 03:02:51 PM »
An art decco special based on an older big wheel skeleton by Wilding.  Will run longer than 8 days on a wind.
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General Discussion / Forum Pictures
« Last post by jrbeall on September 24, 2016, 03:01:04 PM »
Some time last year, our forum was seriously hacked.  It disappeared for a time but we managed to get the text copy back.  The pictures, however, were all lost.  We have changed some of the software and it all works well again and pictures can be uploaded.  We are very sorry for this but we can't do more.
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J. R. Beall
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Gallery / Re: constant force springs
« Last post by jrbeall on September 24, 2016, 12:03:11 PM »
I have used constant force springs for my last two clocks and they work very well.  They do not require barrels  and allow one to make shelf clocks  since no weight drop is needed.  And they are very long running so 8 day clocks are easier.

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General Discussion / amazing new clock
« Last post by jrbeall on September 23, 2016, 01:57:05 PM »
Hello again all you patient gear heads.  I have been making clocks again and have just finished the third this year.  I have not placed pictures here because i can't figure out how to make this damn computer do what I want.  I will tell you a little about what I have been busy with and maybe I will be able to find a teenager to help me with the pictures later.

I built a tall clock with a gravity escapement and a vaguely gothic look and it looks ok and keeps good time.  Then I made an epicyclic, usig Clayton Boyers plans but with considerable modifications.  I wanted it to be a lot smaller than his so I scaled it back to .4 of the original.  It was a lot of work but it came out fine and I am happy with it.  I don't have it now because I traded it for a new Axiom CNC mill with liquid cooled spindle that runs very nice and quiet.

 I have just finished a larger Art Deco style clock using Wildings movement from his "Big Wheel Skeleton Clock"  It is a beautiful clock and "Click Spring" is currently building it on you tube.  His work is fantastic and if you havn't seen it, do yourself a favor and take a look. I have had Wildings instruction book for  years and was very doubtfull that it could be made in wood but I am getting crazier in my dotage, and thought I would give it a try.  It works beautifully with constant torque springs and I think it may run for nearly two weeks.  It has a 290 tooth drive wheel and I found I could make that a reasonable size using a .042 end mill and a .04imperial module.

I will make every effort to get some pictures and videos on here.  I appologise for being such a lackluster forum administrator. I am 83 now and can't last too much longer so if there is anyone out there who would like to take it over,don't hesitate to let me know.   :)
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Bearings / Re: Bearings for a wooden clock?
« Last post by aliisajoseph on September 09, 2016, 03:26:47 AM »
I have mentioned in other threads that I am starting to build a wooden clock, I thought I would go through some of the methods and solutions I have used. 
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The plans are meant for cutting out on a band saw and not a cnc machine. 
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What this forum is about / Re: cutting accurate wooden wheels
« Last post by andrajoseph on September 06, 2016, 11:38:08 PM »
I have a prototype I am building and would like to learn the best way to make a template or devise a process to cut out multiple speaker holes precisely?

The dimensions are:
Overall Outside Diameter 2.36"    R Programming Training  |  SAS Training  |  Android Online Training | Weblogic Online TrainingMongodb Online Training | Mongodb Admin Online Training  |   SQL Online Training
Baffle Cutout Diameter 1.89"

I plan to mount these from the inside of a box, using nice perforated aluminum grills cut to size.

I have a Dremel for now, was thinking of using the 543 carbide cutting/shaping wheel. The wood is soft, for now cigar boxes.
Open to suggestions on better tools and processes to accomplish.

My thoughts are to make a wooden template out of balsa so I can trace out the speaker holes on various boxes. 
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Other escapements / Re: gravity escapement
« Last post by dencypriya on August 26, 2016, 02:58:15 AM »
Hiii alll.....
The "escapement" is the part of a clock that converts the energy of the falling drive weight into impulses that keep the pendulum swinging. It also transfers energy from the falling weight to drive the clock dials that show the time. The falling weight turns the hands, and the pendulum regulates that motion to occur at accurate intervals of time.
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10
tools / Re: Radial Vector Tool...
« Last post by dencypriya on August 24, 2016, 03:30:45 AM »
The elements of differential and integral calculus extend naturally to vector fields. When a vector field represents force, the line integral of a vector field represents the work done by a force moving along a path, and under this interpretation conservation of energy is exhibited as a special case of the fundamental theorem of calculus. Vector fields can usefully be thought of as representing the velocity of a moving flow in space, and this physical intuition leads to notions such as the divergence (which represents the rate of change of volume of a flow) and curl.
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