RunRyder RC
 3  Topic Subscribe
WATCH
 1 page 246 views POST REPLY
ProModeler Scorpion Power
HelicopterClassifieds - ElectronicsServo Void  (3) Futaba BLS451's, (1) BLS251 (void)
06-18-2016 08:47 PM  12 months agoPost 1
boomkidd

Heliman

Emerson, NJ

My Posts: All  Forum  Topic

My Classified Activity
My Classified Feedback
Add Classified Feedback

Up for sale are (3) Futaba BLS451 and (1) BLS251 servos I was using on my cyclic. These came off my Goblin 700 which is also for sale. I find I only need 1 rc heli, that's it. These have approximately 25-30 flights. They function excellently and perform like HV servos. What is in the pictures is what you will receive.

Questions? Message me!

Thanks for looking!

BLS451 specs:

Operating voltage: DC 4.8V~6.0V
Torque: 147.0 oz-in (10.59 kg-cm) (6.0V)
Speed: 0.10 sec/60° (6.0V)
Weight: 2.1oz (60g)

BLS251 specs:

Control System: +Pulse Width Control
Required Pulse: 3-5 Volt Peak to Peak Square Wave
Operating Voltage: 4.8 volts
Operating Temperature Range: -20 to +60 Degree C
Operating Speed (4.8V): 0.06sec/60 degrees at no load
Stall Torque (4.8V): 52.8 oz/in. (3.8kg.cm)
Continuous Rotation Modifiable: Yes
Motor Type: Brushless Motor
Potentiometer Drive: Indirect Drive
Bearing Type: Dual Ball Bearings
Gear Type: Nylon with final output gear metal
Connector Wire Length: 12"
Dimensions: (40.6 x 20.3 x 38mm)
Weight: 2.2oz. (61g)

PM  EMAIL  GALLERY  Attn:RR
06-19-2016 03:09 AM  12 months agoPost 2
JLF92677

Heliman

Southern California

My Posts: All  Forum  Topic

My Classified Activity
No Classified Feedback
Add Classified Feedback

Were you running the BLS251 at 6.0v?

PM  EMAIL  GALLERY  Attn:RR
06-19-2016 03:41 AM  12 months agoPost 3
boomkidd

Heliman

Emerson, NJ

My Posts: All  Forum  Topic

My Classified Activity
My Classified Feedback
Add Classified Feedback

Yes, 6 volts. Futaba had updated the operating voltage back in 2010. These are designed for flight packs which when fully charged can be over 6 volts. Cant find the Robbe spec sheet that showed it now, but this is not a new thing.
http://lmgtfy.com/?q=futaba+bls251+6v

PM  EMAIL  GALLERY  Attn:RR
06-19-2016 06:44 AM  12 months agoPost 4
JLF92677

Heliman

Southern California

My Posts: All  Forum  Topic

My Classified Activity
No Classified Feedback
Add Classified Feedback

Futaba rates the BLS251 and BLS251SB for 4.8v ONLY. Would be very interested if you can find Futaba 6v spec rating for this servo.

PM  EMAIL  GALLERY  Attn:RR
06-19-2016 02:31 PM  12 months agoPost 5
boomkidd

Heliman

Emerson, NJ

My Posts: All  Forum  Topic

My Classified Activity
My Classified Feedback
Add Classified Feedback

I'm quite aware of the very old specs, however Robbe of Europe updated the operating voltages for all BLS servos.

These were designed around NiCd receiver packs which when fully charged can be 6 volts. Running this regulated voltage is OK. These servos are too old to go and update the sites found in a Google search.

Post #5 used to show the spec sheet however the page doesn't load now.
http://www.helifreak.com/showthread.php?t=355948

PM  EMAIL  GALLERY  Attn:RR
06-19-2016 05:23 PM  12 months agoPost 6
JLF92677

Heliman

Southern California

My Posts: All  Forum  Topic

My Classified Activity
No Classified Feedback
Add Classified Feedback

These are not old specs they are current specs, that is what the servo was designed for. If they were not, why then does Futaba Japan, the manufacturer does not update the specs as you are suggesting???

PM  EMAIL  GALLERY  Attn:RR
06-19-2016 05:25 PM  12 months agoPost 7
boomkidd

Heliman

Emerson, NJ

My Posts: All  Forum  Topic

My Classified Activity
My Classified Feedback
Add Classified Feedback

I'm not here to argue with you man.

PM  EMAIL  GALLERY  Attn:RR
06-19-2016 09:35 PM  12 months agoPost 8
Ronald Thomas

rrMaster

Gainesville, Fl, USA

My Posts: All  Forum  Topic

My Classified Activity
My Classified Feedback
Add Classified Feedback

I have run every BLS 251 I have ever had at 6volts. Never had one get even warm or fail in any Heli they have been in and I am currently doing the same thing with my 600SX now.
It is not nor will it ever be a problem to run it at 6v regulated...

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

PM  EMAIL  GALLERY  Attn:RR
WATCH
 1 page 246 views POST REPLY
GLOBAL 3D ProModeler
HelicopterClassifieds - ElectronicsServo Void  (3) Futaba BLS451's, (1) BLS251 (void)
 Print TOPIC  Make Suggestion 

 3  Topic Subscribe

Classifieds › HELP-FAQ
Attention buyers! For sellers to Add Classified Feedback you need to Post Reply in the seller’s topic thus creating the green feedback link.
Stating price is not mandatory but recommended. Complaining about price or complaining about pre-sale negotiations is inappropriate and against policy.
Buyer Beware! RunRyder cannot vouch for any seller's or buyer's credibility and will not accept responsibility for any transactions resulting from the use of this site.

Saturday, June 24 - 8:09 am - Copyright © 2000-2017 RunRyder   EMAILEnable Cookies

Login Here
 New Subscriptions 
 Buddies Online