How does an energy variometer work? - Aviation Stack Exchange
In a comment to an answer regarding instrumentation complexity, an "energy variometer" was mentioned, labeled in knots. What does this dial actually show, and how does it work? The image …
flight instruments - What is the nature of the glider's vario lag ...
Aug 17, 2022 · " The average mechanical variometer is about three seconds too late ". . What is the nature of this lag? Wouldn't a gentle blow into the static port make the needle move immediately …
How does this total energy compensation pitot tube work?
Jul 13, 2023 · The part that plugs into the aircraft looks something like this: From there, the pressures can be used to drive a normal airspeed indicator, total energy compensated variometer, or any other …
Is there any difference between VSI and VVI?
Feb 4, 2025 · "VVI" seems to be more military. See What is VVI in Aviation? and Vertical Speed Indicator. This instrument has various other names like a "rate of climb/descent indicator". In Europe, …
What's a normal response delay for a paragliding vario?
Jun 26, 2020 · It is an Altimeter-Variometer-GPS combo. As you know, these devices warn the pilot with beeps during climbing and sinking. I'm using the device for a couple of months but I recently noticed …
Which is more accurate for height measurement: GPS or barometer?
Jun 9, 2016 · Directly comparing accuracy of GPS, barometric altimeter and radio altimeter makes little sense, because they each measure different quantity. GPS measures ‘geometric altitude’. This is the …
Were there engineers in airship nacelles, and why were they there?
Jun 28, 2024 · Adjacent to the engine telegraph was a tachometer, an altimeter, and a variometer (or vertical speed indicator). There was also a speaking tube to communicate with riggers along the axial …
What is an airliner's "green dot speed", and how does it vary with ...
Mar 10, 2020 · A related question told us, quoting from an Airbus performance manual, Green dot speed (minimum gradient) is a function of weight. Comments under the question stated that the "green dot …
Do hot air balloons have flight data recorders and cockpit voice ...
Jul 11, 2024 · Hot air balloons don't have much in the way of instruments, traditionally just an altimeter and a variometer. Today, they usually use a handheld-style GPS unit, which has its own recording …
User Daniel Viaño - Aviation Stack Exchange
May 31, 2017 · Q&A for aircraft pilots, mechanics, and enthusiasts