I made some minor changes. Even tho the plate is in tension
I added a couple of flanges to stiffen it up for
anti vibration purposes. I also moved the fork
down to the flanges on the plate for easier assembly.
No need to drill and tap. Just drill.

The down side is you will have to find a sheet metal 
shop to bend up 1/8" thick plate with only a 3/4 or so
flange and an 1/8" radius. A wee bit tricky.
You could bend a one inch flange and trim it out near
the rubber mount in possible areas of conflict under
high deflection.

I don't think one can get three by one by 1/8 inch 
extruded channel but maybe.

I also added another gusset to the fork.

Paul Lamar
 
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