Board Q & A: In phase 2 any unforeseen crisis ahead?

[GrandMasterKC]

the pics are where I am at. Metal shop only had 22 gauge. I plan to use 2 660 motors...any suggestions? I need to get rivets out of 660 or add 2 so that the motor speed screw will screw in...any suggestions? Best way to mount motors? Will these motors provide enough vibration on 22 gauge metal? I still have the original motor. Who or where can I get a simple sticky coated field to cover the metal...simple.. How should I mount the metal field? Should I add a support across the middle of field? ANY SUGGESTIONS humbly asking for some feedback from the family?
Pardon mess in truck just got it out of the shop engine rebuilt 8 months ago and.....safest place to hide my project from wifey G14 classified....sssshhhhhhhhhhhhh