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HelicopterMain Discussion › Castle Creations BEC version 2 15amp enough for a 700?
06-29-2017 01:33 PM  23 days agoPost 1
icanfly

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ontario

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picked up one for completing an align 700dfc I want to sell, will the CC version 2 bec work? It can handle 14s, the heli will be test flown on 10s and an order for a pair of 6s 5000's has been placed. the heli has original Align bl servos which I read take few amps to power, The heli used to have a 20amp pro bec from cc but was taken off to complete another heli.

I feel the bec will handle the 700 demands no problem but I want another opinion other than the hs sales person and my own, anyone use the version 2 cc bec in a 700?

Servos are hv type, bec at 8v puts out 12 amps. Odd, a check of the 20amp pro specs shows it equals or is less than the cc 2.0 15amp bec output. The pro spews 8amps continuous on 12s, 9 on 10s while the bec 2 wp (the one I bought) puts out 9amps at 6.25v to 8.5v, little difference except in peak output of 20a for the pro and 15a for the bec2.0.

it's water proof too. Just how many amps does a set of four bl servos and rx/gyro need? I'll be flying a 3gx (5.0) with a pair of satellites to put the 700 into the air.

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06-29-2017 04:55 PM  23 days agoPost 2
ticedoff8

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Morgan Hill, CA. USA

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If you are committed to a BEC, add a OptiPower Ultra-Guard 430 battery backup system.
Perfect Regulators also makes a backup system.

15A peak should be OK on the BEC for most flying.

But, I use a straight 2S 3300mAh LiPo battery pack with a 30C rating just to be sure.

The Ultra-Guard adds a set of high capacity capacitors to the voltage bus and will also add some power if the BEC sags too far.

Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!

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06-29-2017 05:25 PM  23 days agoPost 3
icanfly

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ontario

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hmm, I have a 2500mah 2cell and made a split connector for my Shuttle that's not in use, with esc red wire off that will give about 5 to 6 flights before changing or recharging. I can do that with the two 10s 2700mah lipos I plan to use first time out (probably get 1800rpm). It's actually desirable to use the 2s lipo than the bec on the 700 and did a quick check on the optiguard, just want to get it in the air for a vid to help sell it.

wished I'd remembered the 2s lipo power before buying the cc bec, now I don't need it.

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