DeuceDriv3r
lvl.4
Flight distance : 4698533 ft
United States
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H. Arif - 6IX Posted at 2018-10-20 15:33
The real question is, does it conserve battery and result in longer flight time when it is turned off? But the test would have to be in a controlled environment.
several people have commented that anything they turn off reduces batt drain
not starting video recording until you need it, turning off sensors.. obviously taking off prop guards .. anything that saves current will increase flight time.... although I suspect very modestly ..
as one thread says.. with the drone on the ground wit motors off it uses 1 minute of flight time for every 5 minutes on the ground.. so I doubt turning off collision avoidance buys even 15 seconds of flight time due to current draw..
where having collision avoidance off buys you flight DISTANCE.. not necessarily TIME because of the faster flight speed.
just because you can fly longer doesn't mean you can fly further..
in real aircraft we have multiple performance speeds we have to know..
there is a best endurance speed... to maximize flight TIME, there is best range speed to max RANGE
additionally during takeoff there are different speeds that get us more height for distance traveled (steepest climb) as well as most efficient distance during climb for fuel burned..
any who.. if you go trucking around at collision avoidance speeds.. you will not fly as far compared to flying at around 21kts .. which I believe is the RTH speed
DJI also quotes a speed for the 16 minute flight time figure I don't recall it at the moment..
I got this from another thread
DJI's claimed 16 minute flight time is under perfect conditions that nobody flies with: "no wind at a consistent 12.4 mph (20 kph)".
that speed is pretty close to p-mode collision off... but I get more flight distance.. 15000ft + flying more sport mode speed.. which also turns off some sensors and gimble processing .. but its the speed mostly that contributes to the greater range efficiecy ... its the same for real helicopters .. hover is very inefficient .. forward flight increases lift ...
that is why most people that want more time on station at a point far away.. will fly out in sport mode.. switch to p-mode, film, then come home in sport or RTH speeds...
I did see a video where a guy went out to something like .9KM and hovered until 50% and flew back once at RTH and another hand flying in sport and sport had far more battery remaining than the RTH...
I would suspect that to be even more true if you flew out with a tailwind and were battling a headwind on the way back .. I would go sport to make it back..
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