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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › 6V and Futaba Gyros
11-03-2004 10:01 PM  13 years agoPost 1
Garry-Boy

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Moscow, Russia

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Hi guys,

I know the state definition - once you use 6V on board, you will rip your gyro or rudder servo cause they use 4,8.
But I know that some guys do some tricks to avoid it....could you advise some tips about that?
Also it will be very interesting if you use 6V and GY601 without any other regulators.
What I want to do is to use 6V duralites regulator S9350 and GY601 combo to get the best electric possible...
Thanks in advance for all your answers,

Garry.

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11-03-2004 10:29 PM  13 years agoPost 2
G.Man

rrProfessor

Bristol

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you need an extra reg between servo and gyro..

there is no getting round it unless you use the CSM560/401/502 and the hitec 6965 on the tail...

Its the only solutions

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11-03-2004 10:49 PM  13 years agoPost 3
TMoore

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Cookeville, TN

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The 401/9253/9254 runs fine on 6v regulated. I have done it successfully for 3 years now and have not had a servo failure on 3 of the 401 gyro systems. I still have the original 9253 on my Raptor 50 and it works very well. I have no experience with the 601, however and can't make a specific recommendation.

Terry

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11-03-2004 11:11 PM  13 years agoPost 4
Garry-Boy

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Moscow, Russia

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OK as I see I need a special regulator on the way between the servo and the gyro, in case if I would use GY601.
That because that S9251 servo am I right?
All other servos and gyros should work OK?


Garry.

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11-04-2004 12:24 AM  13 years agoPost 5
TMoore

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Cookeville, TN

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There are two scenarios here:

Regulate the entire system to 5.4 volts or regulate just the gyro itself.

If you use a couple of 3.6 volt Lipos you will have to regulate the system to something appropriate anyway.

Just to make it simple, regulate the entire system to 5.4 volts and the 601 should be happy. Makes the hook up easier.

Terry

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11-04-2004 01:22 AM  13 years agoPost 6
Garry-Boy

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Moscow, Russia

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The point is to make S9350 work on 6V, in case they would work with lower voltage like 4,8, than I would lose the speed and torque, which I want to save.

So should I regulate a gyro by itself or I should care only about the servo?

Actually I don't like to use much electric stuff because the possibility of mistake dramatically increase, but I definitely want to take maximum torque from my S9350.

Garry.

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11-04-2004 02:00 AM  13 years agoPost 7
TMoore

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Cookeville, TN

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According to Futaba, the 601 has a working voltage of 3.8-6.0 volts. If it were mine, I would use it on 5 cells, regulated.

Regulate the whole system.

Terry

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11-04-2004 06:17 AM  13 years agoPost 8
switch26

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San Jose

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Hey TMoore

so if i want to use 5 cells on my heli and have the 9350 servos + GY 601 and 9251 servo, i can just regulate the whole sistem to 6 volts
and still be ok?please respond as i also want to get the most out of my 9350 servos and GY 601 combo but i dont want to fry any of the components

Thanks
Rafael

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11-04-2004 06:52 AM  13 years agoPost 9
G.Man

rrProfessor

Bristol

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Garry

both my R90 and my Bergen Gasser run a full 6v system with a regulator between the gyro and tail servo (601)..

One word of advice, you will have to swap the plugs and sockets when you get the regulator, as they are the wrong way around for a gyro to servo...

I am running Hitec 6965's on the Cyclics and Collective on the rappy and Hitec 6985 on the bergen collective..

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11-04-2004 01:12 PM  13 years agoPost 10
TMoore

rrMaster

Cookeville, TN

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Rafael,

Futaba specs say the gyro can handle 6 volts, no more. The unknown is if the servo that goes with the 601 can handle 6 volts. The 9350's are rated at 6 volts. No guarantees on the 9251@ 6volts.

IMHO, I would give it a try and see.

TM

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11-04-2004 07:30 PM  13 years agoPost 11
Garry-Boy

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Moscow, Russia

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Thanks everyone!
I'll give it a try with all 6V and a regulator between gyro and servo.
Thanks for a tip Galifrey
I really count days for getting my CCPM heli with S9350 and 6V on board voltage, could you imagine that output!!!


Garry.

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11-05-2004 02:43 AM  13 years agoPost 12
switch26

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San Jose

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Hey Galifrey

what is the rugulated voltage going to your servo and Gyro?
did you have to get a regulator for the Gyro and another regulator for the servo?how can you use one regulator for both Gyro and servo?
please explain i think im going for your set up
Thanks in advance
Rafael(switch26)

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11-05-2004 08:15 AM  13 years agoPost 13
G.Man

rrProfessor

Bristol

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rafael

the Gyro gets an unregulated 5 cells (6v nominal although it can momentarily exceed this voltage when servo load is high) 6.7v has been its highest voltage and it has coped with this fine.

The regulator is a 5.1v duralite regulator between the gyro and servo.

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11-05-2004 12:52 PM  13 years agoPost 14
Garry-Boy

rrKey Veteran

Moscow, Russia

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how can you use one regulator for both Gyro and servo?
You don't need to regulate the gyro.
The weakest element in the whole system is S9251 servo, which would burn if the voltage will exceed, so you need to put a regulator on the wire between the servo and gyro only.
Don't forget that before that you need to regulate the whole system to 6V.

Garry.

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11-06-2004 05:26 AM  13 years agoPost 15
switch26

rrKey Veteran

San Jose

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Thank you for your imput Galifrey
i'll keep that in mind,Thank you all
Best Regards
Rafael(switch26)

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11-06-2004 05:31 AM  13 years agoPost 16
Alistair

rrKey Veteran

no where land

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i use regulated 6.0V's... no problems...

the box also says use only nicds at 4.8V's.... tons of people use lith. with 5.1V's and have great succes.

squigle

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11-06-2004 08:22 AM  13 years agoPost 17
Shagga

rrApprentice

Wiltshire, UK

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What about Remote Gain Switch?
If I use a 6.0v RX pack and regulate the gyro (channel 4 on Futbata) to 5.4v

What about the gyro remote gain channel (channel 5 on Futaba) - do you need a regulator for this also?

Or is it a case of adjusting your ATV/EPA below100% on channel 5 so the voltage is equal to/or under 5.4v when you switch between normal and HH?

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11-06-2004 09:04 AM  13 years agoPost 18
Alistair

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no where land

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i use just one 6.0V reg. that's it.

perhaps... perhaps, you could reduce sx life etc with 6.0V but so.... not by enough to matter. likely you'll have a nasty shant 'fore your shiite wears out.

squigle

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11-06-2004 02:10 PM  13 years agoPost 19
Garry-Boy

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Moscow, Russia

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If I use a 6.0v RX pack and regulate the gyro (channel 4 on Futbata) to 5.4v
What about the gyro remote gain channel (channel 5 on Futaba) - do you need a regulator for this also?
Same question, In case I want to regulate the whole gyro system, do I need to regulate the gain channel as well???

Garry.

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11-06-2004 06:45 PM  13 years agoPost 20
G.Man

rrProfessor

Bristol

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Yes you need 2 regulators, thats why I went the servo regulated route

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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › 6V and Futaba Gyros
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