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most economical way to fly regarding battery

Discussion in 'Phantom 2 Vision + Discussion' started by RudydG, Feb 8, 2015.

  1. RudydG

    Dec 30, 2014
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    When you are far away and battery becomes critical, is it better to come back with RTH, or in gps mode slow, fast, atti?
    When is the usage versus range optimal?
  2. Meta4

    Meta4 Moderator
    Staff Member

    Jan 8, 2014
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    RTH will be slowest (can't understand why DJI slow down RTH)
    Atti will be fastest, GPS in the middle.
    If you are running out of battery, you'd be wanting to fly back fast.
    Not certain, just guessing a little less than full revs may be most economical.
    Of course the best strategy is to manage your battery levels so you never get into such a situation.
    Make an effort to be back with 20+% every flight.
  3. Mako79

    May 16, 2014
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    Sydney Australia
    When in visual sight, I descend whilst coming back. Getting her low is important so if battery hits critical there is less chance of a free fall.
  4. lfaitas

    Jan 26, 2015
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    I agree that is what i do also, i use home lock so not to loose time guessing the orientation and keep pressing down and reverse at the same time...
  5. PhilD13

    Dec 1, 2014
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    It is good to know the speeds available in different modes, and how to use the different modes effectively, but you also have to know the conditions your flying in and learn how much battery you need to fly back to home point. Each condition you fly in is going to be a bit different. If you fly down wind, and use 50% of your battery, you will use a lot more battery getting back and can (probably will) run out of power before you get home since your battling wind that is causing you to use more power. If you fly upwind to start with and use 60% of the battery, you can set the bird to ATTI mode, and the tail wind will blow it back which is very neat and fun. You would use very little power in course corrections and maintaining altitude, or you could use the tailwind to help fly it home much faster. If your flying in really cold temps., your battery is not as efficient and will not have as much power available as when it is warm so you may run into trouble it you don't figure the lost capacity right. he wind can be much stronger higher up than near the ground, so a lower altitude where there is less wind may help get you home if your downwind and having to fly back against the wind. As you can see there are lots of variables to take into account and no one method of flying or operational mode covers all conditions.