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1 vote

Minimum sink speed and maximum endurance speed

Minimum sink speed applies to gliding. It is based on the aerodynamic characteristics of the aircraft. Minimum sink speed is generally less than Vbg. The glider is not gaining distance as ...
Robert DiGiovanni's user avatar
3 votes

Minimum sink speed and maximum endurance speed

It depends on the characteristics of the engine. Minimum sink speed is the speed for minimum power required. If your fuel consumption is generally proportional to power, then yes it should be very ...
Rob McDonald's user avatar
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2 votes

Why is higher V1 preferred over lower V1 in takeoff performance calculations?

To amend John K:s answer, choice of V1 is basically matter of two things: do you want to minimize Accelerate-Stop distance or Continued Takeoff distance in case of engine failure. By choosing low V1, ...
busdriver's user avatar
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1 vote

Why is higher V1 preferred over lower V1 in takeoff performance calculations?

Generally you want the decision speed Vā‚, above which you are supposed to carry on and fly no matter what (with rare exceptions), as close as possible to rotation speed. That is, preserve the ability ...
John K's user avatar
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0 votes
Accepted

Do Vx and Vy speeds refer to IAS or TAS?

IAS -- simply because the POH tries to present information in a form that is immediately useful to the pilot. You need Vx and Vy quickly -- they show up as a mark on the airspeed indicator so you can ...
Rob McDonald's user avatar
  • 9,286

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