>>1547320>-You do not have the aerodynamic advantage of a recumbent on downhills & flat roadsYes, you do.
>-It is harder to stand for more power when climbing a hill likeAt least you have the back rest, contrary to low standard recumbents, that allows you to put more power on the pedal. The real problems with OP's design are the unpractical steering head angle and weird trail.
It should look like this if you want an usable feet forward bike.