5955TG questions

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5955TG questions - 2/18/2008 4:00:13 PM

SoCalSal

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From: spring valley , CA, USA
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Hi, my question is what would the effects be on running these servos with a output pulse voltage lower than 3 volts?
The reason I ask is I just found out that the new Futaba R6014fh 2.4 recevier may be putting out only about 2.76 volts on the output impulse signal side of the recevier.
I heard this rumor AFTER I bought the radio. There are no spec values with the enclosed paper work of the system. I have about 15 5955's and I sure don't want to buy another bunch of Futuba servos just to make this system work. I may need to send it back for a refund.
Thanks
Steve

< Message edited by SoCalSal -- 2/18/2008 4:01:11 PM >

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Post #: 1

RE: 5955TG questions - 2/18/2008 7:54:32 PM

nonstoprc

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From: austin, TX, USA
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Give futaba US service a call.

(in reply to SoCalSal)

Post #: 2

RE: 5955TG questions - 2/19/2008 1:23:14 AM

SoCalSal

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From: spring valley , CA, USA
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quote:

ORIGINAL: nonstoprc

Give futaba US service a call.

I tried that.the guy I talked to could not answer the question. How sad

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Post #: 3

RE: 5955TG questions - 2/19/2008 5:12:22 PM

Brendan Lugo

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From: Poway, CA, USA
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Below the 3 volt minimum our servos (and most other servos) require the servo could:
A) not work at all
B) work erratically
C) work as normal. With this option a ANALOG servo may still work ok as it is less tolerant than a digital servo.

Options A and B are most likely.

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Multiplex USA

(in reply to SoCalSal)

Post #: 4

RE: 5955TG questions - 2/19/2008 5:34:41 PM

SoCalSal

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From: spring valley , CA, USA
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quote:

ORIGINAL: Brendan Lugo

Below the 3 volt minimum our servos (and most other servos) require the servo could:
A) not work at all
B) work erratically
C) work as normal. With this option a ANALOG servo may still work ok as it is less tolerant than a digital servo.

Options A and B are most likely.

Thanks Brandon....HiTec tech department comes through again. It seems such a sham that Futaba's tech department could not or would not take the time to answer this simple question.............. heck the guy I talked to at Futaba didnot have an answer for me when I asked him what the servo impulse output voltage is on their recevier. I really want to get into this 2.4 gig but HiTec and Multiplex are still doing their thing on this system. I now have a EVO9 and it has been just a great radio,
This Futaba seems nice but after dealing with their customer service department I think I'll send the thing back and just wait till HiTech comes out with their equipment. This had taught me a lesson about customer service and that is it should be #1 when it comes to repeat customers. After all most of the radios out there are not that much different form one another so it is the service that a company provides after the sale that is most important.
HiTech seems to understand this concept better than most
Again Thank You HiTec

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Post #: 5

RE: 5955TG questions - 2/21/2008 2:49:24 AM

DKflyer

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From: Yorktown, VA, USA
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I have a 6014 reciever, and Futaba reports that it is nominal 3 volts for the signal and may vary from 2.65 volts to 3 volts depending on the channel and servo used.

I have multiple 5955 (and many other Hitec) servos. I tried one of the 5955's on the bench on multiple channels, and it seemed to work fine. Does that mean that it will be OK to fly with it?? This is a huge issue for me because I have several large planes, and basically use Hitec servos in all of them.

Thanks,

DK

(in reply to SoCalSal)

Post #: 6

RE: 5955TG questions - 2/21/2008 4:10:02 AM

SoCalSal

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quote:

ORIGINAL: DKflyer

I have a 6014 reciever, and Futaba reports that it is nominal 3 volts for the signal and may vary from 2.65 volts to 3 volts depending on the channel and servo used.

I have multiple 5955 (and many other Hitec) servos. I tried one of the 5955's on the bench on multiple channels, and it seemed to work fine. Does that mean that it will be OK to fly with it?? This is a huge issue for me because I have several large planes, and basically use Hitec servos in all of them.

Thanks,

DK

Yes I read the report that Bax sent me on the receiver impulse signal voltage. All I can say is that my Futuba s9152 digitals are designed to for 4.8 to 6 volts just like my 5955TG's so my guess is yes they will work. Others have reported good results with HiTec's on Futaba receivers . I'm running my HiTec's via a Mulitplex recevier and nevr never had problems. I also have a 33% Waco and a 30% Stearman that I'm just about finished framing up. This will be the plane that I'm going to use the new 12fg and r6014fs on. Lot's of $$$$$$$$$ involved in these two planes so I have the same concernes as you.

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Post #: 7

RE: 5955TG questions - 2/21/2008 8:49:13 PM

DKflyer

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Well, up above it says that they may not work on less than 3 volts for the signal leads. I need to know if this is 3 volts "nominal", or a minimum of 3 volts at all times. As I said, they are working fine on the bench. Just don't want any surprises in the air because the signal voltage drops to 2.65v.

Thanks,

DK

(in reply to SoCalSal)

Post #: 8

RE: 5955TG questions - 2/21/2008 9:01:03 PM

SoCalSal

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From: spring valley , CA, USA
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quote:

ORIGINAL: DKflyer

Well, up above it says that they may not work on less than 3 volts for the signal leads. I need to know if this is 3 volts "nominal", or a minimum of 3 volts at all times. As I said, they are working fine on the bench. Just don't want any surprises in the air because the signal voltage drops to 2.65v.

Thanks,

DK

Hi According to Bax at Futaba it is 3 volts nominal...........just go to the Futaba factory support section and you can see what he sent me

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Post #: 9

RE: 5955TG questions - 2/21/2008 11:15:14 PM

SU29

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From: Springfield, MO, USA
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If I can add to this post, I use a Futaba 12Z with a 5014 G3, 9 ch PCMs and 7 ch FM receivers with 6 to 7l Hitec digital servos. I have not had any issues or problems. I however have not tried this with the FASST receivers yet.

Later
Jeff

(in reply to SoCalSal)

Post #: 10

RE: 5955TG questions - 2/22/2008 3:25:11 PM

DKflyer

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From: Yorktown, VA, USA
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quote:

Hi According to Bax at Futaba it is 3 volts nominal...........just go to the Futaba factory support section and you can see what he sent me

I have seen that. However, he also says that it can drop to 2.65 volts depending on the channel and servo used.

What I want to know from Hitec is if this is OK????? Can I use Hitec servos or do I need to buy Futaba??? If they work on the bench, does that mean that they will work in the air???? I don't want to lose an airplane over this.

DK

(in reply to SU29)

Post #: 11

RE: 5955TG questions - 2/22/2008 3:31:09 PM

SoCalSal

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quote:

ORIGINAL: DKflyer

quote:

Hi According to Bax at Futaba it is 3 volts nominal...........just go to the Futaba factory support section and you can see what he sent me

I have seen that. However, he also says that it can drop to 2.65 volts depending on the channel and servo used.

What I want to know from Hitec is if this is OK????? Can I use Hitec servos or do I need to buy Futaba??? If they work on the bench, does that mean that they will work in the air???? I don't want to lose an airplane over this.

DK

Maybe we should go to the HiTec forum and ask Mike what he thinks???

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Post #: 12

RE: 5955TG questions - 2/22/2008 5:02:31 PM

Brendan Lugo

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From: Poway, CA, USA
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If it works on the bench and there are no problems, it will be fine in the air. The signal line voltage isn't going to change much as the flight load the servo sees does not effect the signal line voltage.
3 volts is more our minimum voltage as 3.3 volts would be our nominal.

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(in reply to SoCalSal)

Post #: 13

RE: 5955TG questions - 2/29/2008 5:50:08 AM

reyn3545

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From: Alpharetta, GA, USA
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You guys are scaring the schidt out of me.. I just ordered a 12FGA with teh 6014 receiver... and my Edge 540 is full of 5955's...

I'm not currently using a power box on the plane (using JR 2.4 radio), and wasn't planning on using a power box with the Futaba setup.... If I do go with the box, would it eliminate these concerns?

(in reply to Brendan Lugo)