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HomeRC & PowerAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Digital Servos compatible with Futaba 401
02-10-2008 08:17 PM  10 years agoPost 1
Clearance

rrVeteran

Rain Forest of Western Canada

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The Futaba 9253 and 9254 servos can be used with the 401. But can I use the Futaba BLS 251 or 9256? Apparently the BLS 251 servo can be used on the 611 and 601.

Ken

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02-10-2008 08:55 PM  10 years agoPost 2
DOKEY

rrProfessor

Northamptonshire UK

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9256 can not be used with the 401, but I did find this for you:

http://www.fullkontroll.se/futaba-b...aba%20BLS%20251
This is the Futaba BLS251 Brushless Digital Heli Rudder Servo. Designed specifically for helicopter rudder operation.
FEATURES: Equipped with a Brushless motor that lasts longer and operates at a
lower temperature than Brushed motors
Compatible with Futaba GY401 and GY611 gyros
Samarium Cobalt magnets and dual ball bearings
Same power consumption and centering as Digital servos equipped with
Brushed motors
Standard size
One-year warranty
Torque @ 4.8V: 47 oz-in
Speed @ 4.8V: 0.06 sec

Ryan.

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02-10-2008 09:23 PM  10 years agoPost 3
TOSH

rrElite Veteran

UK.Peterborough

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Compatible with Futaba GY401 and GY611 gyros
How does that work then?

Flybars. Who needs `em.

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02-10-2008 09:49 PM  10 years agoPost 4
DOKEY

rrProfessor

Northamptonshire UK

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I'm not convinced either Tosh

Ryan.

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02-10-2008 09:52 PM  10 years agoPost 5
DOKEY

rrProfessor

Northamptonshire UK

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This is from the Futaba site, looks like the above quote is wrong!!
Notes from the Tech Department
This is the Futaba BLS251 Brushless Digital Heli Rudder Servo.
Designed specifically for helicopter rudder operation.

FEATURES: Equipped with a Brushless motor that lasts longer and operates at a
lower temperature than Brushed motors
Compatible with Futaba GY601 and GY611 gyros-must be used with a
gyro

Samarium Cobalt magnets and dual ball bearings
30% faster response times, smoother operation.
Same power consumption and centering as Digital servos equipped with
Brushed motors
Standard size
Metal gears
One-year warranty

INCLUDES: Futaba BLS251 Brushless Digital Heli Rudder Servo with universal
connector, 0.83" (21mm) diameter round horn pre-mounted
1.8" (45mm) diameter round horn
1.2" (32mm) diameter 6-point horn
1.5" (38.5mm) 4-point horn
Servo mounting hardware

REQUIRES: Installing in helicopter and plugging into gyro

SPECS: Torque @ 4.8V: 53 oz-in (3.8 kg-cm)
Speed @ 4.8V: 0.06 sec
Dimensions: 1.6 x 0.8 x 1.5" (40 x 20 x 36.8mm)
Weight: 2.2oz (61g)

jxs 6/25/07
updated 11/09/07kh
ir/jxs

Ryan.

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02-10-2008 09:53 PM  10 years agoPost 6
Clearance

rrVeteran

Rain Forest of Western Canada

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Thanks Dokey!
Must be a typo! i.e., "401" should be "601" ???

Ken

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02-10-2008 11:44 PM  10 years agoPost 7
jag01

rrApprentice

Pennsylvania

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I found this from Tower Hobbies.

http://www3.towerhobbies.com/cgi-bi...p?&I=LXRWT0&P=0

Keep them blades turning!

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02-11-2008 04:11 PM  10 years agoPost 8
BarracudaHockey

rrMaster

Jacksonville FL

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There was a typo in the specs at one time, it was even on Tower hobbies tech notes and servo city.

The 251 is a 760us center pulse servo it only works with the 611/601/CSM 720/ and the Solid-G (set to 9256)

THe 9251 and 9256 are the same way.

You can alter the pulse width on those gyros to use other servos but you cant use those servos on anything else.

Andy
AMA 77227
http://www.jaxrc.com

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02-12-2008 03:17 AM  10 years agoPost 9
Clearance

rrVeteran

Rain Forest of Western Canada

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Thanks guys, I got some useful information. Ken

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