Ceiling Payload Torque 
Flying Magazine
JULY 22, 2025
Full-fuel payload is a whopping 1,150 pounds, and max landing weight is 7,600. Pulling the prop back to 1,500 rpm (from its normal 1,700 rpm) reduces the noise level but does not change speed or fuel burn as the autothrottle adjusts torque. Max usable fuel: 264 gallons Service Ceiling: 34,000 ft. gph fuel burn.
Plane and Pilot
OCTOBER 3, 2024
Another advantage of the counter-rotating props is the elimination of torque roll. This is the tendency to dig in the left tip float during takeoff while countering engine torque. Precisely what the single-engine ceiling is, the team can’t say. “We We just fly the thing around at 1000 feet, so the ceiling, we don’t know.
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