Ardupilot specs

Greetings all, I am new here and I am about to get started with my own system. I have been involved in RC aviation since I was a kid and I am now a helicopter pilot in the US Army. Recently I have gotten involved in the world of microcontrollers and this seems like a very exciting project. I do have a few questions though.1. What is the the current draw of the whole system? I have a spare 2s1p 250mah lipo laying around. Will that work?2. What sensor measures altitude? GPS or Differential pressure? And does the altimeter need to be calibrated for field elevation? (I am at 1000feet MSL)3. How accurate is the data from the Ardupilot? +/- x feet, KIAS, ground track etc. I like to push the limits and fly as slow and low as possible. (I understand the safety concerns when in auto pilot mode)Thanks in advance for your help,Mike

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  • 3D Robotics
    1) Typically ArduPilot is powered by your RC system; the additional power draw is negligable.

    2) GPS. No.

    3) If you're using the recommended uBlox 5, about 30 cm. See the ublox website for more.
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