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955 9 2015-2-10
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isaiahbrock7.gm
lvl.4
Flight distance : 98934 ft
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What are gains? and what do they do to the phantom?
2015-2-10
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gnixon2015
First Officer

United States
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the basic gains define the sensitivity (how aggressively or sluggishly) the autopilot uses to keep position with gps.  the higher the number the more zippy it will be to hold position, the lower the squishier it will be.

the attitude gain  controls sensitivity for pitch and roll of the sticks on the transmitter.

ive seen conflicting (or at least ambiguous) information on whether there is any interaction between control sticks (transmitter) and the yaw or vertical items on the basic gain row.  but i cant find the thread on it due to limited search capabilities here.
2015-2-10
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Capt. Bill
Second Officer

United States
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It would be nice if there was a dual rate switch like we have on our airplane transmitters.
2015-2-10
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isaiahbrock7.gm
lvl.4
Flight distance : 98934 ft
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gnixon2015 Posted at 2015-2-11 13:12
the basic gains define the sensitivity (how aggressively or sluggishly) the autopilot uses to keep p ...

what do you mean by "zippy"?
2015-2-11
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PanamonCreel
Second Officer

Mexico
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isaiahbrock7.gm Posted at 2015-2-11 21:43
what do you mean by "zippy"?

zippy, faster reaction, more aggressive.  
if gains are too high you'll get oscillation since it over corrects thus has to correct in the other direction .... and so on. It's like turning too far and too fast on a car steering wheel in a curve,  
2015-2-11
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gnixon2015
First Officer

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the best way to understand it isaiah is to increase and decrease it 10% or some small amount from where it is now and test fly both positions.  you will notice the difference in how it hold position.
2015-2-11
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isaiahbrock7.gm
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Flight distance : 98934 ft
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Ok I will test them later, thanks!
2015-2-11
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PanamonCreel
Second Officer

Mexico
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isaiahbrock7.gm Posted at 2015-2-11 22:37
Ok I will test them later, thanks!

How much flight experience do you have with the Phantom and RC flight in general?
2015-2-11
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isaiahbrock7.gm
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Flight distance : 98934 ft
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PanamonCreel Posted at 2015-2-12 03:51
How much flight experience do you have with the Phantom and RC flight in general?

1 year and about 2 months
2015-2-12
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PanamonCreel
Second Officer

Mexico
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Well then feel free to play around with the gains but you'll likely find the stock values very close to ideal unless you made modifications to your bird ( weight change,  different motors / props,...)
2015-2-13
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