The Pitts Model 12 is a 2 place fully aerobatic biplane designed specifically around the 360 HP (400hp) Russian built Vedeneyev M-14P (PF) radial. Stressed to +9 -7.5g at full gross weight of 2250lb with 750lb useful load. It has a 239 MPH Vne, 175 MPH Cruise @70% Power, and 64 MPH Stall Speed. 3200+ Feet per Minute Climb Rate, 300+ Deg. per Sec. Roll Rate.