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Old Oct 14, 2008, 11:18 AM
CVO
Registered User
Joined Oct 2008
4 Posts
Question
Servo Futaba S3801 Heavy Duty Arm Type Sail Control

Hello.
They know that with this amp must be used Servo.
This is the technical information that I found:

SPECS: Torque: 156 oz-in@4.8V - 194 oz-in. @ 6V
11.2 kg-cm@4.8V - 14.0 kg-cm @ 6V
Transit Time: 33 sec/60 @ 4.8 Volt - 26 sec/60 @ 6V
Arm Travel: 125 (under optimum conditions)
Length: 2.4 "(61mm)
Width: 1.2 "(30mm)
Height: 2.0 "(51mm)
Weight: 3.7oz (107g)

Thank you
CV
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Old Oct 14, 2008, 11:55 AM
Useful Idiot
Asturias, Spain
Joined Mar 2001
3,545 Posts
Hola Carlos, I'm guessing that you're interested in the current under load of the servo. Manufacturers don't usually give this in their technical specs. But I have a boat of similar size to your ETNZ with a servo of similar power and the 5xNiMH power pack seems to provide enough amps for the servo.
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Old Oct 14, 2008, 02:38 PM
CVO
Registered User
Joined Oct 2008
4 Posts
Martin thank very much.
Greetings
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Old Oct 14, 2008, 03:30 PM
Norman2
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Connestee Falls, Brevard, North Carolina
Joined Mar 2006
389 Posts
Servo 3801

Carlos,
Use a 3802
Norman
PS A little less torque at 6 volts but more speed
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Last edited by Norman2; Oct 14, 2008 at 03:36 PM.
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Old Oct 16, 2008, 01:34 AM
Registered User
Joined Sep 2006
855 Posts
current usage is very low. You can get a days sailing out of a set of batteries. It is not like using a motor running a prop.
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