So ealier today i took my spitfire LF Mk IX to a realistic , i took off got about 1km from the airfield , i was climing about 4m/s , all of a sudden instructor warns me that my speed is low so i dive gain some speed up try to climb as soon as i reach a horizantal stance i immeadtly start stalling (i was wepping btw) then i notice 4 ennemy planes crashing as well (p-51's , and b29's) i was the only one in my team who had the issue (i noticed my prop wasnt turning at 50% even tough it indicating WEP or 100%)
after some minutes i crashed as well