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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Futaba FASST › NEED HELP WITH 401 GYRO VOLTAGE
03-30-2010 05:32 PM  10 years ago
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jtommasi

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Broussard, LA

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NEED HELP WITH 401 GYRO VOLTAGE
What is the maximum voltage that a 401 can handle? I'm running a 7.4 volt Duralite pack. I want to pull the Align 2in1 off and run straight voltage to the reciever. What do I need to do?
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03-30-2010 05:35 PM  10 years ago
z11355

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New England

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the 401 is rated to 6v max (and I believe the 9254 will tolerate up to 5.1/5.2).

So you're gonna need something to bring down the voltage
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03-30-2010 05:53 PM  10 years ago
jtommasi

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Broussard, LA

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im running all DS610 servos. i just needed the max voltage for the gyro.
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03-30-2010 06:41 PM  10 years ago
The Old Guy

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UK Surrey

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I have run the 401 on the Align 2in1 and use this (http://www.fast-lad.co.uk/store/k10...tor-p-1888.html)
Connected directly to the servo.Gyro is ok with 2in1
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03-30-2010 07:15 PM  10 years ago
Billme

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MS

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I'm running 6.6 unregulated to the 401, and Hyperion gyro servo with no problems..
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03-30-2010 11:07 PM  10 years ago
dkshema

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Cedar Rapids, IA

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The rated specs for the 401 limit the voltage to no more than 6.0.

An email to Hobby Services got me a maximum safe operating voltage of 5.8 volts for the S9254.

Running electronics past their maximum rated voltage may be something people do "because they've had no problems", but the numbers are NOT something chosen arbitrarily by the manufacturer, they do have meaning.
-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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03-30-2010 11:53 PM  10 years ago
z11355

rrMaster

New England

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remember to practice your unplanned auto's !
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03-31-2010 12:23 AM  10 years ago
smallplanes

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S.C. ,SSA

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6.6volts to a 401? It will fail plan for it.
Spectra G 26cc
Jewel
Bat 27cc
Trex 700<br
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03-31-2010 12:50 AM  10 years ago
Yug

rrMaster

UK. Herts

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6v is your absolute maximum voltage.
I wonder how many folk have actually measured the voltage across the gyro itself given the voltage drops across cables and connectors.
Much of the electronics is designed to support the legacy of 4 x Alkaline cells.
Vegetable rights and Peace
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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Futaba FASST › NEED HELP WITH 401 GYRO VOLTAGE
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