Motor Cycle Wheels

In keeping with the theme of the thing, I decided to rework the motorcycle wheels....

not completely successful.

First things first; basic math stuff....

360 Degrees to a circle, leave a 20 degree arc between the spokes. and work all this out, means I need 18 spokes per wheel...simple!

Right?

Well, lets look at the start of it....

The layout was ok, the tricky bit was going to be alinging the hub and the rim.
and then.....