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HomeRC & PowerAircraftHelicopterRadio - Futaba FASST › Futaba BLS 255/256 servos no more?
09-18-2013 07:10 PM  5 years agoPost 1
Crashr30

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DFW

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Is Futaba out of the heli servo business? Just got my Tower Catalog and looked for the servos above and they are not there and I can not find the BLS 255 on the website either, shows discontinued. I may be missing something but does anyone know if they are gone and will there be replacements? I can not even find a substitute or application for heli servos I know there are other brands of servos out there but I am a Futaba fan.

Thanks

Team Synergy RC, Team Bobby Jacks, PowerMaster Fuels, Team Scorpion, YS Engines

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09-18-2013 07:18 PM  5 years agoPost 2
knightofcarnage

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chicago

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They have been replaced by SBUS2 servos.

255 is replaced by BLS272SV
256 is replaced by BLS276SV

also i would go with BLS274SV or BLS273SV/BLS275sv over BLS272

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09-18-2013 07:24 PM  5 years agoPost 3
Ace Dude

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USA

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The BLS272SV is the replacement for the BLS255HV.

  

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09-18-2013 07:53 PM  5 years agoPost 4
Funky Trex

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Westerville, OH - USA

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Sorry, I am not familiar with Futaba TX/RXs. I have a bls256 and like the performance. Can the replacement servos still be used in standard non-futaba/sbus RXs (like Spektrum)?

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09-18-2013 08:20 PM  5 years agoPost 5
Crashr30

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Thanks for getting me straightened out.

Team Synergy RC, Team Bobby Jacks, PowerMaster Fuels, Team Scorpion, YS Engines

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09-18-2013 08:51 PM  5 years agoPost 6
Santiago P

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South West, Ohio

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Sorry, I am not familiar with Futaba TX/RXs. I have a bls256 and like the performance. Can the replacement servos still be used in standard non-futaba/sbus RXs (like Spektrum)?
No worries.
Servos are servos, they do not know what they are plugged into, they just receive signal and voltage. If they are not specifically programmed to work to SBus they act like a normal servo.

Futaba gods may frown upon you plugging them into spek RX, lol, but the servos will get along just fine.

Team Minicopter - PeakAircraft.com
bavarianDEMON- Team Kontronik - Scorpion Motors-

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09-18-2013 09:01 PM  5 years agoPost 7
jschenck

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La Vista, NE.

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Is there any advantage to using SBUS servos when using a CGY-750?

My 14SG showed up today - going to carry it in the same case with my DX18. Hope they don't kill each other

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09-18-2013 09:03 PM  5 years agoPost 8
Funky Trex

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Westerville, OH - USA

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Thanks Moneypit. I have used plenty of other brands, but I always know when I use a Futaba tail servo it will work great every time.

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09-18-2013 09:20 PM  5 years agoPost 9
Santiago P

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South West, Ohio

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^^^ You are very welcome
Is there any advantage to using SBUS servos when using a CGY-750?
none really. The 750 receives all the signal commands through the single Sbus wire from the RX, and translates the roll-pitch-yaw commands to the individual servos. So the servos are receiving single-individual commands.

Sbus is really usefull when you have multiple servos ganged like in large planks or jets. By using programmable SBus servos you can have a single line to a wing juntion box and each programmed servo knows to act like aileron, flap, gear or break. You can also program individual directions and limits.

I can see where this feature could be used in a large Scale helicopter with doors, and gagets to actuate.

Santiago

Team Minicopter - PeakAircraft.com
bavarianDEMON- Team Kontronik - Scorpion Motors-

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09-18-2013 09:29 PM  5 years agoPost 10
jschenck

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La Vista, NE.

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that's what my understanding was, good to know. sbus servos are really an advantage on 150cc+ airplanes that have many servos in long wings and in the tail control.

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09-18-2013 09:40 PM  5 years agoPost 11
Ace Dude

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USA

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S.BUS2 servos are also programmable. You can adjust the neutral and some other parameters in the servo itself.

  

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09-18-2013 09:55 PM  5 years agoPost 12
Ace Dude

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USA

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Here's what the S.BUS2 servo programming interface looks like.

  

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09-19-2013 01:26 AM  5 years agoPost 13
knightofcarnage

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chicago

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none really. The 750 receives all the signal commands through the single Sbus wire from the RX, and translates the roll-pitch-yaw commands to the individual servos. So the servos are receiving single-individual commands.
Currenlty cgy 750 does not support sbus out. But you still can get a good advantage from an sbus servo. You can trim your tail server with out effecting the gyro (same for cyclics). Aslo you can play around with the servo speed.

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09-19-2013 01:38 AM  5 years agoPost 14
Dr.Ben

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Richmond, VA, USA

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I can envision a time in the not too distant future when we will buy servos only based on size, maximum power, speed, and so forth and then simply configure them for a specific application via a user interface. No more plank versus heli versus car servos.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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09-19-2013 03:45 AM  5 years agoPost 15
Santiago P

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South West, Ohio

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Never seen the GUI interface, cool as heck.

So one can change a sbus servo deadband today?

Pete, I did say they are programable...

Chago

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09-19-2013 04:04 AM  5 years agoPost 16
knightofcarnage

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chicago

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I can envision a time in the not too distant future when we will buy servos only based on size, maximum power, speed, and so forth and then simply configure them for a specific application via a user interface. No more plank versus heli versus car servos.

Ben Minor
Speaking of size of servers. When are we going to see smaller sbus and brushless servos? Love to get some bls servos for a 450 size.

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09-19-2013 04:06 AM  5 years agoPost 17
Ace Dude

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USA

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also i would go with BLS274SV or BLS273SV/BLS275sv over BLS272
It really depends on the application. Note the BLS273SV are quite a bit more expensive than the BLS272SV.

  

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09-19-2013 04:10 AM  5 years agoPost 18
knightofcarnage

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chicago

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yes the are more expensive but ideal for FBL application with direct swash plate heli. I'm assuming he is flying a E7 which is direct swash.

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09-19-2013 04:17 AM  5 years agoPost 19
Ace Dude

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USA

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I did say they are programable...
You did, sorry I missed that. The GUI is impressive. I haven't tried programming any yet, but have some BLS272SV's ready for my next build.

They've sure come a long way from the old Multiplex servos I still have an Ultra Stick 60 where you can program the neutral, travel, fail-safe, reverse, and speed.

  

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09-19-2013 11:10 AM  5 years agoPost 20
Ace Dude

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USA

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BTW, The S-Link software and instructions can be downloaded here:

http://downloads.hobbico.com/softwa...ink_WEB_ENG.pdf

http://www.futaba-rc.com/software-updates.html

  

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HomeRC & PowerAircraftHelicopterRadio - Futaba FASST › Futaba BLS 255/256 servos no more?
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