Questions on the critical speeds of an aircraft guiding elements such as rotation, climb, and maneuvering.
Questions tagged [v-speeds]
92 questions
14
votes
4 answers
What exactly is VMO and how does it affect a plane when it is exceeded?
I read an article that mentioned "VMO" speeds of a 747 and that the plane, when it exceeds its VMO, shakes uncontrollably and destroys itself.
I've never heard of planes doing this and the article explained VMO in a way that is beyond my…
Memj
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3 answers
How are V speeds spoken?
How are V speeds spoken? --Research for my novel.
Is it the V and the number or letter notation or is there something more to it?
The Wikipedia Page on V Speeds does not delve into the subject matter. I did search the search box, prior to…
NovelWriter
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vote
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How to calculate best glide speed at a 30 degree bank?
The Best Glide speed is the indicated airspeed that guarantees the maximum glide distance during an engine out scenario. However, the landing straight ahead option after an engine failure may not be the best option especially if there is nothing…
DLH
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What is the difference between Vno and Va
What is the difference between the maximum structural cruising speed (Vno) and the manuevering speed (Va)? Can you also please explain how these speeds are calculated?
I do understand that Va is set to where the wing will stall before the plane…
DLH
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Why isn't Vy equal to Vmd?
$V_{md}$ is the speed where the rate of sink is the lowest. So if you add full power, it should be the speed with greatest rate of climb, namely $V_y$.
But we also know $V_{md}
Hot.PxL
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For what is VMCL the minimum control speed?
I would like to ask which of these options is correct:
VMCL is the minimum control speed for:
A) approach in go-around configuration
B) approach in landing configuration
C) go-around in approach configuration
D) go-around in landing…
shogunnyan
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What are the V speeds for a Piper Super Cub 180HP with an upgrade to 61 gallons fuel capacity?
I fly a Piper Super Cub 180HP with upgraded 61 gallons, 30.5 gallons usable a side. The POH and everywhere I look online I find POHs for Cubs with 150hp and 36 gallons TOTAL. I was wondering if anyone knew where to find the speeds for this upgraded…
Pilot Joe
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Space Catapault Model
A secretive space catapault is said to be in progress. For the sake of mathematical simplicity, assume the launch vehicle is one kilogram point-mass and to be placed in geosynchronous orbit.
What quantitative forces (impulse?) and energy necessary…
gatorback
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What is the significance of the V1 ground roll of an aircraft?
What is the significance of a V1 ground roll of an aircraft trying to take off? Why is minimum ground roll is measured in feet? What is the significance of VR (which is greater than V1 but less than V2)?
user2927392
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Do Vx and Vy speeds refer to IAS or TAS?
I've had this discussion with my FI: Are speeds such as Vx and Vy referring to IAS at all times or TAS that needs to be compensated for?
Here's an example. Let's assume the following:
Vy of my single piston engine, fixed prop aircraft is specified…
Double M
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