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 Battery and trim setting ?

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Eddie NYC




PostSubject: Battery and trim setting ?   Mon Oct 26, 2009 12:49 am

I have 2 batteries for my HB: stock e-sky 11.1-800 and an xtreme 11.1-850mhz. my question is why does it feel the heli flies different on each battery. I always seem to have to re-trim or adjust the prop trim dial when i flying the other battery. is this normal? I always thought the MHz would just affect fly time and nothing else. was I wrong? do most people by 2 of the same battery?

thanks!
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pinguin6218

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PostSubject: Re: Battery and trim setting ?   Mon Oct 26, 2009 4:15 am

a little correction, is not mhz, its mah.
Mine also like that. I have several battery, the same 25C, but it affect the heli flies. I have no idea why?
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P3tras

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PostSubject: Re: Battery and trim setting ?   Mon Oct 26, 2009 9:06 am

Because one battery is a little bit more powerful and gives more current to the motor. Then motors spins faster and your trimming doesn't work. :grinn:
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Wayne




PostSubject: Re: Battery and trim setting ?   Mon Oct 26, 2009 10:51 am

If this is true (larger battery gives more current to the motor), wouldn't it give more current to both motors? Is the current not limited by the speed controller in the 4 in 1? I can understand different batteries with different weights affecting the CG but it seems more power would be more power to both motors canceling out any differeng affect.
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Eddie NYC




PostSubject: Re: Battery and trim setting ?   Mon Oct 26, 2009 2:29 pm

and when people have multiple batteries, do they typically stick with identical batteries to avoid this, or just re-trim every time?
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Wayne




PostSubject: Re: Battery and trim setting ?   Mon Oct 26, 2009 2:35 pm

I don't know. I have two 1000mah 25C batteries and one 800mah stock battery. I can't tell much difference between them other than the bigger batteries being a little heavier. I still seem to get altitude and speed, it just takes a little more to get it off the ground and is just a touch sluggish because of the weight.
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