Futaba BLS251

[Airbass]

on the Futaba web site it is specified for 4,8 V power supply.

Will it work also with the 5,7 V from the ESC's internal BEC (YGE)?

Ciao
Riccardo

[Chris Sexton]

I have ran the BLS251 at 6v with no issues. But for every person you find that says it is good you will find one that said they had problems.

You can get a 6v to 5.1 step down regulator for a couple of bucks pretty cheap.

http://www.amainhobbies.com/product_info.php/cPath/1574_199/products_id/18532/n/Align-51V-Two-Way-Step-Down-Voltage-Regulator?utm_source=Google-Base&utm_medium=cpc&utm_campaign=Product-Feeds&source=google_ext&gclid=CLvr9tvcqroCFc07Mgod6CIAHw

Will take your 5.7v down to 5.1 which will work flawlessly. I don't know anyone having trouble with this meathod.

[Darren Lee]

I've been running the same BLS251 for almost two years now on 6v regulated.  Great servo!

[Airbass]

You can get a 6v to 5.1 step down regulator for a couple of bucks pretty cheap.

Thank you! I have added one to my wish list. 

[WreckRman2]

Just remember a step down is another fail point... Just don't get a cheap one that's simply a soldered in component on an extension. I actually use one of the spectrum ones that's in it's own case.


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[Levar Robinson]

The 251 is rated for 4s at 1.2v per cell fully charged is more than 6v you are safe :0)

[Airbass]

Sorry I don't own any receiver Ni-Mh pack. What's the max voltage per cell when fully charged?

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[Levar Robinson]

Fully charged is about 1.5v per cell

[Airbass]

So this servo should work fine powered by a 5.7. V  bec straight, without need for a step down device. Thank you for the comment


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