So I got some rigid mountain bike forks. These are Surly Instigator forks. I had to file the dropouts a little so the motor sat a little deeper. This way the washer sits behind the the "lawyers lips'' that are designed to hold a quick release hub.You can see that the washer sits flatter in the picture below.
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Then I added the Surly Nice Rack to the front. So I ran a bolt through the the torque arm to the rack attachment point on the fork. Also there's a bolt to the disc brake mount. This should keep the motor from moving and allow me to carry 50 to 70 more pounds.
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