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550 Class Electric Helicopters 550 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 07-19-2017, 03:40 PM   #1 (permalink)
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Default Battery size
Hello,
Can you please advise the most advisable 6S battery size for a Trex 550?

Thanks,
Daniele
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Old 07-19-2017, 07:00 PM   #2 (permalink)
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4000-5500mAh good.
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Old 07-20-2017, 11:09 PM   #3 (permalink)
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I used to use 6S 4400mah, 6S 4500mah, 6S 5000mah, 7S 4400mah, and 7S 4500mah.
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Old 07-26-2017, 03:03 PM   #4 (permalink)
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Sorry to hijack this but am also looking to build out a trex 550x and am looking for 6s 5000mAh batteries actually in stock, that can ship to the uk, and are a good price.

I'm looking at these Turnigy ones

https://hobbyking.com/en_us/turnigy-...___store=en_us

Anyone any thoughts as to suitability?

Thanks
Phil
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Old 07-27-2017, 09:28 AM   #5 (permalink)
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Originally Posted by bigphil83 View Post
I'm looking at these Turnigy ones

https://hobbyking.com/en_us/turnigy-...___store=en_us

Anyone any thoughts as to suitability?
I used to use the 40C version on my T-Rex 550E, and it worked very well. I can only assume the 60C version you are considering should perform as good or better, but may be a bit heavier.
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Old 07-27-2017, 12:03 PM   #6 (permalink)
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Yeah look to be about 90g heavier

40C = 937g
60C = 1128g

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Old 07-27-2017, 04:05 PM   #7 (permalink)
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I got a few of these this summer. They were down to $80 each earlier this summer on Amazon. So far no issues with them. Cells are matched well and low IRs.

https://www.amazon.com/gp/aw/d/B016U...d_i=B016UI8DMW
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Old 08-16-2017, 09:56 PM   #8 (permalink)
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Also looking to re-power my 550 Trex! Any suggestion???
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Old 08-19-2017, 03:40 PM   #9 (permalink)
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A 700g 5000 pack is the ticket. Gens 5000 45C is just over 700.
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