You are flying an aircraft to a destination that is far beyond the capabilities of the aircraft with full fuel and no PAX or Cargo.
Does powering off half, 1/3, and/or 1/4 of the engines reduce fuel usage, letting you be able to get to the destination?
Flying non-stop from KBWI to PHNL in a Southwest 737-800. The Southwest -800 (and all -800s) has 8-9 hours of fuel and the flight is 10-11 hours at Mach 0.76-0.80 (cruising speed in the 737-800). Does shutting off one of the engines allow you to maintain your speed at a lower altitude, and reduce fuel usage?
Turning off an engine on a dual engine plane will make little to no difference on the range. The remaining engine will have to ramp up power to maintain speed therefore fuel used is more or less then same. The only viable way to make a distance well above the range is to plan a stop over half way and refuel.
In theory that would work. However, climbing up to the original altitude uses more fuel and you might as well cruise normally. If you went up to like FL420 and started gliding down to like FL380 and then cruising and gliding some more you might have a chance. Still, it probably won’t work.
Although the Nimrod did do this, it was actually to increase efficiency and will have had an effect on its range, however, this operation was part of the design of the plane, no plane we have in Infinite Flight is designed in that way, and no pilot would dream of purposely shutting down an engine for fuel efficiency.
I think that this would only work if your in a 4 engine plane. If you’re in a less than 4 engine plane, you might stall. Correct me if I’m wrong, but I think that you would still be able to fly a 4 engine plane with 2 engines.