wooden clock gears research

[Joe Hillmann]

Several other things, when you are trying to keep it running keep the weight that is wrapped around dowel on the gear fairly light, maybe a pound or so. Once you get it to run then you can add more weight. If it is too heavy it will bust the pallets off the escapement.

You may want to harden the tips of the pallets by putting a drop of some type of thinned out varnish or super glue to prevent the tips from breaking off. A few thousandths of wear on them can cause problems if your weight is to heavy.

If you try and run it with the wood dowels you need to make the one the gear is on thinner where you plan to wrap the string for the weight on it otherwise it will use up 3/4" per turn and wont run long. Once you get a gear train attached you would make the weight heavier and attach it on the hour shaft or the shaft between this and the hour so you can get a decent run time out of it.

It has to be aligned very carefully to run without skipping teeth.

If you have a wide kerf on your laser you may need to make the pallets a couple thousandths larger and make the gear 4 or 5 thousandths larger.

[stan kern]

thanks will look for the 2 brass tubes and i will increase the card stock

stan

[Michael Hunter]

Here is a selection of gears in Corel X3 format.

They were imported directly from the CAD program and have huge numbers of nodes on each tooth, which may or may not cause problems when you try to cut them.
(Some simplification may be necessary).

Have fun!