Pilot Institute

APRIL 12, 2025

Developments in aircraft design and engine technology have allowed us to fly farther, faster, and carry more payload. The complication with helicopters is that the main rotor is driven by an engine that applies a twisting force (torque) to spin it. Other Designs The tail rotor is not the only way to solve the torque reaction problem.

Torque

Flying Magazine

JULY 22, 2025

Full-fuel payload is a whopping 1,150 pounds, and max landing weight is 7,600. The batteries provided so much cranking power that both cold and hot starts never even approached engine temperature limits. The Epic E1000 AX’s clean design is augmented by the most power ever on a production turboprop single—1,200 hp. gph fuel burn.

Rudder

Plane and Pilot

OCTOBER 3, 2024

But it was apparent the smallest Grumman flying boat was too small and full of quirks—the cabin door won’t open if the flaps are down, for example—to justify something approaching a direct copy. Another advantage of the counter-rotating props is the elimination of torque roll. lb/sq ft Power loading 10.32

Airplanes