jmowreader

I am trying to make a stave-shell drumset. I've got a PC690 in a table with a straight bit and a lathe.

To make each shell, I need to run a 7.5-degree chamfer down both sides of 24 pieces of wood, cut spline grooves in each edge, connect the 24 pieces of wood into a drumshell-shaped construction, and finally turn the shell round on the lathe. Would I be better...

1) trying to find a 7.5-degree chamfering bit and running the stock through flat against the table

or

2) building a 7.5-degree wedge and running the stock against the straight bit?

Thanks in advance.

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reible

I personal have never seen a 7.5 degree bit but if you could find one that would be a very accurate way to get the right angle. I should also point out I never looked for one so maybe a lot of people sell them?????

I'm not sure about what you mean by a wedge? You can make a slide that holds the wood at the correct angle if that is what you mean.

I have also seen what are called multi-sided glue joint bits that allow you to do 16 sides (67 1/2 / 67 1/2 degree) (looks like a birds mouth cut). Check Eagle-america for them, or? Maybe they even have a 24 side version??

I would guess you already know how critical the angle and widths are going to be to get this round.... Sounds like a fun project. I would like to see pictures when your done and even along the way....

Ed