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Can you explain the difference between Ground speed and Airspeed. I am a pilot and know what it means in aviation but am not exactly sure what I am seeing here. Otherwise I love the app. It is great on the highway where I am trying to get a feel for the winds.
Air speed is the ground speed plus the vector speed of the wind.Can you explain the difference between Ground speed and Airspeed. I am a pilot and know what it means in aviation but am not exactly sure what I am seeing here. Otherwise I love the app. It is great on the highway where I am trying to get a feel for the winds.
mike
Air speed is the ground speed plus the vector speed of the wind.
So if you are going 65 and there is 10 mph head wind, the air speed will show 75?
I'm not sure what I am seeing with round speed/ air speed. I am a pilot and know the relationship there so what does it mean here?
Ground speed is the car's physical speed relative to the ground, calculated from GPS position.
Air speed is the car's physical speed relative to the air, taking into account ground speed vs. the headwind/tailwind vector. This is the effective speed at which the car will use energy.
Example: Traveling north (000 deg) at a ground speed of 60 MPH, with a 10 MPH wind coming from the north (000 deg). The air speed is 70 MPH, and the car will use energy as if it is traveling at 70 MPH.
This is a bit different from IAS (indicated air speed) in a plane, in that while the plane's airspeed is also physical speed relative to the air, IAS also is affected by air density since it changes with altitude and weather conditions. Those factors are N/A in the car.
Just to to let you know that it is now possible to get Android phone notifications to pop up in the Tesla center screen by using the A Better Routeplanner in-car-browser route planner and navigator. Technically, it connects to the Pushbullet service and relies on its Android app to mirror notifications.
Simply browse to ABRP and login to Pushbullet via the notification icon down right.
And yes, Tesla can easily add this functionality themselves, but until they do (in 8.1?) this works.
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