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02-20-2016 08:41 PM  4 years ago
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BillK

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CA

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Futaba BLS 452 battery
Does anyone know why Futaba states the BLS452 servo should only be operated with NiCD batteries? I was planning on running NiMH but after reading the note, I'm having second thoughts. On the bench, the servo appears to work normally using NiMH. Can anyone provide any information on this. Thank you in advance. Bill
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02-21-2016 04:10 AM  4 years ago
Dr.Ben

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Richmond, VA, USA

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It's basically due to concerns for some NiMH packs being able to sustain voltage under the current demands of the servo. NiMH can be used, but choose your packs carefully and make certain they adequately maintain voltage under load.

Ben Minor
Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA
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02-21-2016 01:51 PM  4 years ago
BillK

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Thank you Dr.Ben, Bill
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02-21-2016 05:43 PM  4 years ago
Four Stroker

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Atlanta

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A friend of mine thought he could power his gas heli with the usual AA 2000 NiMH pack that all the plane flyers use. He kept having unexplained engine bogging. It's called receiver low voltage failsafe for Futaba. This moves to low throttle at about 3.7 volts.

I have gone to all A123 2500 6.6 volt packs. They are much much better than NiCD or NiMH ever were. Or get a 20 A regulator and use LiPo.
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02-21-2016 06:04 PM  4 years ago
BillK

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CA

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Thanks, Bill
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