What is your experience with a Futaba BLS256HV or BLS276SV? - HeliFreak
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Old 09-03-2013, 02:50 PM   #1 (permalink)
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Default What is your experience with a Futaba BLS256HV or BLS276SV?

I have always been enthausiastic with a BLS251. For a HV setup you need the BLS256HV. But already three buddies at my club and local field had a bad experience with the BLS256HV. Like burned out twice, cracked upper servo case. They don't trust that tail servo at all! I am not happy to hear that, because I was planning to use that tail servo for my T-Rex 700E DFC.

What is your experience with a BLS256HV or BLS276SV?
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Old 09-04-2013, 12:18 AM   #2 (permalink)
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I have had no issues here with mine....+- 90 flights! My next bird will however get the bls251 servo as I dont feel the difference with the high voltage servo...well not with my type of flying!

Another buddy of mine also has the BLS 256HV and no issues there either...
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Old 09-04-2013, 03:57 AM   #3 (permalink)
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I'm super happy with mine 256HV on my 700e and with my 276SV on my goblin 770
They hold the tail perfect and they are quiet . The 276SV have less flight time the. My 256. Think my 256 is about 2 years now , but I expect the same performance from the 276 since it is the same servo as 256.

Maby the bad rep you heard about is user related? Both of this servo's are narrow frame rate . I don't know what will happen if you use wide frame rate on a narrow frame rate servo. I only know , if you turn it around- narrow on a wide- bad things will happpen
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Old 09-04-2013, 11:24 AM   #4 (permalink)
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I have several BLS256HV servos, some with over 400 flights on them.

They've been flawless, without a doubt the best tail servo Futaba has produced yet.
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Old 09-24-2013, 02:18 AM   #5 (permalink)
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Quote:
Originally Posted by dchekas View Post
I have several BLS256HV servos, some with over 400 flights on them.

They've been flawless, without a doubt the best tail servo Futaba has produced yet.
+1 I have been flying that servo since it came out and have 2 there flawless and I just got a 257sv for Sbus2 options!
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Old 02-24-2018, 09:22 PM   #6 (permalink)
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BLS276SV is garbage - see the pic, gears are plastic and strip easily. Barely touched my tail on the ground, servo gears stripped and I crashed a perfect Logo 690SX - servo horn is still fine. It was a light touch too - belt didn't skip.

Do these have metal gears as an upgrade? Would MKS gears fit?
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Old 03-01-2018, 08:50 AM   #7 (permalink)
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Been running my BLS276SVs in two 700 electrics for a few years now. No issues I like them a lot.
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Old 03-02-2018, 10:18 AM   #8 (permalink)
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256HV here in two machines.
Have over 500 flights on one, awesome servo for 500-700 size in my experience.
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Old 03-04-2018, 10:24 AM   #9 (permalink)
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I've switched to pretty much only 276SV for all my 700 and 800's. No complaints. Yes, lost a few plastic gear teeth but better than bent or grinding.

Quote:
Originally Posted by kamarthinsen View Post
Think my 256 is about 2 years now , but I expect the same performance from the 276 since it is the same servo as 256
How is it the same servo. I know the gears are pretty much if not the same, but the motor, electronics, etc? Why a different model number? Just the programmability of SV?
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Old 03-04-2018, 03:45 PM   #10 (permalink)
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Quote:
Originally Posted by Raptorapture View Post
I've switche to pretty much only 276SV for all my 700 and 800's. No complaints. Yes, lost a few plastic gear teeth but better than bent or grinding.



How is it the same servo. I know the gears are pretty much if not the same, but the motor, electronics, etc? Why a different model number? Just the programmability of SV?
You can buy just the plastic gears for cheap, 5 sets per bag for $14
FPGS9251

And they are same, just 276 is SBus programmable.
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Old 03-05-2018, 05:59 PM   #11 (permalink)
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I have 2 256s, about 400 gasser flights between them over 5 years, and a couple boom strike crashes. Thatís about 200 hours airtime in a much harsher environment than your typical e Heli.

Never a single issue, never even stripped a gear in those crashes ( both times the horn snapped first)
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Old 03-23-2018, 06:02 AM   #12 (permalink)
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Can't speak about the SV series but I have a 256HV in a 700 size nitro that has logged 150 hours (a little over 1,000 flights) without even needing a new pot. Awesome servo IMHO
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