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HelicopterRadio - Futaba FASST › GY401 on unreg. 2sA123 (6.6v)
10-23-2009 03:10 PM  8 years agoPost 1
Frank Bostwick

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Cincinnati Ohio

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So I damaged an Arizona reg some time ago. I use 2sA123 RX pack and want to run it w/o the regulator. The manual rates the 401 at 6V max I guess I have to run the step down into the RX then to the 401 and servo? BTW that pack, per ET data, holds about 6.4v for almost 5 complete flights.
Comments?

The step down into the RX is kinda unsightly.

RIP ROMAN

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10-23-2009 03:14 PM  8 years agoPost 2
BarracudaHockey

rrMaster

Jacksonville FL

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Gyro wont care, most tail servos would burn up.

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

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10-23-2009 04:07 PM  8 years agoPost 3
VooDooX

rrElite Veteran

San Francisco Bay Area CA, US (San Mateo)

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ya just get a step down for the servo there like 7 bucks or something

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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10-23-2009 07:12 PM  8 years agoPost 4
misfits0311

rrKey Veteran

Santa Clarita, CA - USA

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Works well with my 500 and looks cool with the LED. It also is a good indicator that you are getting power to the servo when diagnosing problems. It has helped me in the past.

╘ₒ₲ₒ 6°° ƺƉ ṾЪ∂®

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10-23-2009 09:55 PM  8 years agoPost 5
jschenck

rrProfessor

La Vista, NE.

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Depends on the servo - I'm currently running a Hitec HS6965 driven by a GY520 and a Thunder Tiger 0600 servo driven by a TG7000 gyro on straight LiFePO4 - all summer long on the TT gyro/servo combo and a few gallons so far with the 520/6965. No stepdowns or regulators.

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10-24-2009 01:16 PM  8 years agoPost 6
Frank Bostwick

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Cincinnati Ohio

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Um thanks for the responses guys. I must not have been clear. I have a step down for the system. I guess the real question is:

Can a GY401 run at 6.4v-6.5v continuously?
Per the manual it is only rated to 6V.

RIP ROMAN

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10-24-2009 01:19 PM  8 years agoPost 7
tarzan_eb

rrApprentice

Central Illinois USA

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401

I always thought the 401 was 4.8 only but can be run at no higher than 5.3.

Fly it ! Crash it ! Rebuild it ! Repeat as needed !! Everett

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10-24-2009 01:30 PM  8 years agoPost 8
tarzan_eb

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Central Illinois USA

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401

Well I don't know how many times I read those instructions and I didn't remember it says 4 - 6v Now where are those pills again

Fly it ! Crash it ! Rebuild it ! Repeat as needed !! Everett

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10-24-2009 01:30 PM  8 years agoPost 9
Stall_Warning

rrApprentice

NE, Pa. - USA

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I run a 401 on a 5 cell pack, no regulator or stepdown.

I'm doing this on 2 heli's amd this is the second season
I'm running it this way.

My voltage is above 6V the majority of the time.

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10-24-2009 01:44 PM  8 years agoPost 10
jschenck

rrProfessor

La Vista, NE.

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I've ran the 401 on a 5 cell pack which comes off the charger at 7+V. I don't think there is any issue with running the gyro at higher voltage. Futaba's warning is more toward the servo (9254) which definitly is not rated for higher voltage. If you are concerned then run the stepdown in front of the 401.

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10-24-2009 02:47 PM  8 years agoPost 11
Frank Bostwick

rrElite Veteran

Cincinnati Ohio

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I guess Ill do just that. On one hand I dont like exceeding the specs., in the other is only aesthetics, I dont like the "look" of the step down plugged into the RX.
Specs win.

RIP ROMAN

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10-24-2009 02:55 PM  8 years agoPost 12
Damper

rrVeteran

Point Blank TX USA

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6965 hitec servo is rated for both the 4.8 & 6.0 voltage rating no need for regulator.

Full Throttle Spooning Leads To Forking

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10-25-2009 09:52 AM  8 years agoPost 13
jcer93705

rrApprentice

fresno california USA

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I run my raptor with a 6v battery without regulator. And i'm running hyperion servos and gy240 gyro. LOL when i charge the battery fully is over 7v. Rock solid and still flying.

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10-25-2009 01:25 PM  8 years agoPost 14
BarracudaHockey

rrMaster

Jacksonville FL

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The gyro is fine, its most tail servos that need a step down.

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

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10-26-2009 02:36 AM  8 years agoPost 15
hootowl

rrProfessor

Garnet Valley, Pa.

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I only step down the tail servo. All my nitros are A123 direct. NO REG

Wolves don't lose sleep over the opinions of sheep

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HelicopterRadio - Futaba FASST › GY401 on unreg. 2sA123 (6.6v)
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