https://www.youtube.com/watch?v=1AtcogsZ4bU
I happened upon this video last night on YouTube.
I'm sure the rebar really adds some strength to the chassis along with the additional plates.
The best is at the end of the video.....
Wait for it and enjoy.
And here's the intro video in case you are interested.....
https://www.youtube.com/watch?v=1EZb_lx1_cA