Here's a wooden, skew mitre plane;

http://www.phillyplanes.co.uk/
skew.html

  BugBear

Chuck Taylor wrote:
> Ron wrote:
>
>> anybody made one of these to use on your shooting board? Results?  I Am
>> having a hard time pulling the trigger on a 400 plane purchase.
>
> A metal low-angle plane usually has a 12-degree bed angle plus a 25-degree
> bevel on the iron, for a total cutting angle of 37 degrees. .
>
> A 12-degree bed angle would be impractical in wood. However, if you make
> the bed angle 37 degrees and go with a bevel-down iron, then your cutting
> angle is also 37 degrees. The cutting angle is what the wood sees; it
> doesn't care about the bed angle.  A 37-degree bed angle would work fine
> on a Krenov-style plane.
>
> Bevel angle on a bevel-down plane doesn't affect the cutting angle, but
> it does affect the clearance angle. Clearance angle is bed angle minus
> bevel angle, and needs to be at least 10 degrees. Keep the bevel angle on
> the iron at 27 degrees or less and you should be fine.
>
> Whelan talks about American wooden miter planes as having bed angles of
> 30-40 degrees.
>
> Cheers,
> Chuck Taylor
> north of Seattle
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