Thanks for your reply Rupesh!
Thrust is estimated at 40N
(w=380m/s u=280 m/s c=150m/s)
Assume n=92000 | PR:2 | mdot=35 lb/min

My vector diagram may be out, but c and c2 is very low.
So that makes Thrust {F=mdot x c} also low....
Hmm back to the drawing board