Complex sentence: The exhaust restriction imparted by the three blowdown turbines used on the Wright R-3350 is equal to a well-designed jet stack system used on a conventional radial engine, while recovering about at METO (maximum continuous except for take-off) power.
Split into simpler sentences: The exhaust restriction imparted by the three blowdown turbines used on the Wright R-3350 is equal to a well-designed jet stack system used on a conventional radial engine. However, the blowdown turbines recover about at METO (maximum continuous except for take-off) power.