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Problem with Rescue - caused by insufficient BEC
https://www.spirit-system.com/phpBB3/viewtopic.php?f=21&t=248		 Page 3 of 3
Author:  Arcicorsa [ Sat 30. Aug 2014 0:53:12 ]
Post subject:  Re: Problem with Rescue - caused by insufficient BEC
The 450 Heli need 6ABEC.. 3A BEC is too weak and maximal useful for FB heli..
Author:  ritchieicu [ Mon 01. Sep 2014 15:14:16 ]
Post subject:  Re: Problem with Rescue - caused by insufficient BEC
Just got mine :-)
Author:  Helibelly [ Tue 02. Sep 2014 21:51:10 ]
Post subject:  Re: Problem with Rescue - caused by insufficient BEC
Arcicorsa wrote:
The 450 Heli need 6ABEC.. 3A BEC is too weak and maximal useful for FB heli..

Hi, does a 450 heli really need that large a bec? Very surprised. Could you recommend any good suitable becs?
Thanks,
Eric.
Author:  ZeXx86 [ Tue 02. Sep 2014 22:29:22 ]
Post subject:  Re: Problem with Rescue - caused by insufficient BEC
It is very dependent on your servos.
Some servos are very demanding so there are very huge current peaks.
But some are very efficient so you can use 3A BEC even on 500-class heli for hard 3D.
And also, there are big differences between BECs even they are rated for the same amperage.
Author:  Helibelly [ Tue 02. Sep 2014 22:48:17 ]
Post subject:  Re: Problem with Rescue - caused by insufficient BEC
ZeXx86 wrote:
It is very dependent on your servos.
Some servos are very demanding so there are very huge current peaks.
But some are very efficient so you can use 3A BEC even on 500-class heli for hard 3D.
And also, there are big differences between BECs even they are rated for the same amperage.

Thanks for the reply. I was thinking that way myself, but finding it difficult to find real world figures and testing on servos and BEC's.
Eric.
Author:  Van Scott [ Sat 06. Sep 2014 23:53:19 ]
Post subject:  Re: Problem with Rescue - caused by insufficient BEC
I have found that ;
The CC BEC PRO is a reasonably reliable BEC rated at 20A peak and has 2 output cables to facilitate high currents. It's not an expensive unit however a bit large for smaller Helis.
The Gryphon Polaris is a good choice 10A peak BEC , small enough for a 250/450 yet capable of providing sufficient current for use in up to a 500.
The CC 10A is ok for lower voltage 3S system however not much better than internal BEC's when run at higher voltage like a 6S system.
Obviously there are many more options available , these are just the ones I've had experience with !
Author:  Helibelly [ Sun 07. Sep 2014 19:06:48 ]
Post subject:  Re: Problem with Rescue - caused by insufficient BEC
Thanks for the heads up on the Gryphon Polaris BEC. I had never heard of that one, might give it a try!
Eric.
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