Bent top tube - rideable?

[3wheeler7]

I'd do it something like this:- Clamp the ends with blocks to a sturdy bench (fit the seatpost to make it stroger) then apply pressure with a clamp onto a ½" thick plywood spreader, do it a bit at a time and check for straightness.

 

[novocaine]

I'd do it something like this:- Clamp the ends with blocks to a sturdy bench (fit the seatpost to make it stroger) then apply pressure with a clamp onto a ½" thick plywood spreader, do it a bit at a time and check for straightness.
View attachment 788584

Your pictures better than mine. Lol