Can you make a”recumbent mountain bike at around $800-1000 $ 2 1/2 “ steel tubes….frame only….wheel size 26-29”. Both front and back fully suspended (back and front).to accommodate fat tires …underseat stirring (preferable no links …just solid welts)….disk brakes…
Have you ever ridden an MBB recumbent? This seems very difficult to overcome. I'm worried that you won't be able to ride this as a FWD recumbent. I'm worried that it will became just a RWD e-motorcycle... You may risk yor life if you are not familiar with MBB. MBB low racer is very tricky at high speeds.
I think it the low speeds will be trickier, given the steering geomerty, but yea - the cockpit does not seem particularly suitable for an MBB, but given that you can use motor for high-torque effort it might just work.
If I remember, I'll upload the sketch I have with the dimensions on it. As for the tubes, I used 1.5" diameter .029" wall, 4130. I have a new carbon seat coming for it, but I went with a medium Thor sport seat