Originally Posted by
MrInitialMan
... A pedal-powered Reliant Robin is not what I had in mind.
More seriously, trikes make me feel a little nervous, which is why I'm building a quad.
Also, I am quite portly, to put it mildlly, and a lot of these velos look pretty flimsy to me.
Note where he mentions a broken frame!
Make the frame out of .035 4130 tubing and weld/braze it properly you won't have a problem. The guy in the video needs to learn how to weld.