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Revolution Models . CarbonXtreme . Midland Helicopters

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Radio - Servo - Gyro - Gov - Batt > What gyro with Airtronics Stylus
 
 
Rob_T
Elite Veteran
Location: Tualatin, OR - USA

What gyros work well with the Airtronics Stylus?

I'm concerned about the difference in servo center pulse width compared to every other radio brands- I had to use some really odd servos offsets to get an Ikarus profi gyro to work properly, so I'm looking for gyros that can handle the airtronics pulse widths well.

Especially looking for heading hold and remote gain control.

Or should I just keep using my JR 8103?
07-14-2004 Over year old.
 
 
staraero1
Key Veteran
Location: Atlantic City, New Jersey

The CSM 560 micro gyro running a good high speed digital servo works nicely with the system. The Futaba 601 also does a good job with the Stylus.

I suggest you use the 560 however. It is newer tech., and the hardware is upgradable as gyro improvements are made. Also, if you break a 560 in a crash, CSM won't make you take out a secong mortgage to fix it.

Staraero1
07-14-2004 Over year old.
 
 
rogers259
Senior Heliman
Location: Canal Winchester, OH

ok i've had the stylus, 8103, 9x, 10x and now the 9chp...here's my thoughts...

DOnt bother with the stylus unless u have someone in your area that flys one and can help you. I dumped mine due to lack of info available. Nice radio but its a bit outdated...I havent looked at the RD8000 but have had several people tell me they are nice radios for the price.

Honestly i'd stick to your 8103 or get a Futaba 9c, just made the switch after having flown and owned the 8103 9x and 10x. all were nice radios some had faults I could live with some didnt. So far the 9c seems to be working out great for me and has the least number of things I dont like. basicly the only issue Ihave with the 9c is the switches at the top are a bit close together, other than that...NP

As for a Gyro...i'd stick to the tried and true 401/9253 or 9254....i've run it on every radio i've had and found it to work great no matter what you choose. if you looking to get into a new radio I have found that the gyo functions on the 9c work great...much easier to use and setup than the 8103, 9x, 10x or stylus(go figure Futaba makes it)

Do you research and run a couple searchs on here to check out the radio's and gyros, benifits, problems, etc and you should come up with a ton of stuff to read.

good luck with your decision.

Matt
07-14-2004 Over year old.
 
 
rogers259
Senior Heliman
Location: Canal Winchester, OH

560 micro is also a very nice gyo know several people that speak very highly of them.
07-14-2004 Over year old.
 
 
rockier
Key Veteran
Location: Las Vegas

I use the Stylus and have had no problems with any Gyro. I know JR had some problem with Gyros on some of yjrtr radios but not Airtronics.

I have had problems with some Gyros just not work but not with the radio.

------,\\\|///,-----
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oo0---(_)---0oo
07-14-2004 Over year old.
HOMEPAGE  
 
 
TMoore
rrProfessor
Location: Cookeville, TN

There is a stack of papers that come with the Stylus. We call it an instruction manual. If you can read it and understand the written english language you can do almost anything with the Stylus and heli card, that you can do with the Futaba 9Z---for less money. Hell, Hashimoto won a WC with one, what does he know about radios?

The pulse center of all Airtronics radios is 1.5 ms. So it is compatible with almost every gyro and governor system out there. I use a 401 with my Stylus and it is lot easier to use with this radio than a JR. The Stylus is more like the Futaba in that respect.

TBL, buy what you want. If you do get a Stylus, I'll help you with it.

TM
07-14-2004 Over year old.
HOMEPAGE  
 
 
G.Man
rrProfessor
Location: Northants, but soon to be Nicosia, Cyprus

Well AS runs a 601 with a stylus so we can assume that works...


probably means the 401 works as well..

560 micro works...

Only gyro left worth a damn is the 500/490T JR....

If that works you can call house



Don't Email me as I wont reply - PM Only (spam countermeasures)
07-14-2004 Over year old.
 
 
TMoore
rrProfessor
Location: Cookeville, TN

Galifrey,

I've got two of the 500T's. Does that count? They work, even with the ATX servos.

Terry
07-14-2004 Over year old.
HOMEPAGE  
 
 
G.Man
rrProfessor
Location: Northants, but soon to be Nicosia, Cyprus

HOUSE!!!!!



Don't Email me as I wont reply - PM Only (spam countermeasures)
07-14-2004 Over year old.
 
 
Rob_T
Elite Veteran
Location: Tualatin, OR - USA

Thanks for the replies! Let me explain the reason behind the question a bit more.

I already have both the Stylus and JR 8103 (and a JR 783). I've observed that if I center a servo using a JR transmitter, then the centering is off (by 1 or 2 splines) with the Stylus, and also if I use a profi HH gyro with the Stylus I have to throw in a lot of rudder subtrim to get the HH gyro to center. (And no, I didn't have revo mix enabled...) Using so much sub trim made me concerned that I was loosing control throw range.

I had assumed this meant that Airtronics were deliberately using a different pulse width, but from the replies I see this is not the case.

So now I need to try to figure out why the pulse widths seem different when they shouldn't be.

Thanks everyone,

Rob.
07-14-2004 Over year old.
 
 
TMoore
rrProfessor
Location: Cookeville, TN

It doesn't sound like the pulse width is varying, more like the pulse center. The usual pulse center is 1.5ms. It shouldn't vary much among radios of a particular brand.

On the Stylus, if you want to use the "Center" function just don't use it much, in the range of +/- 10% is the max I would use as this function actually does skew the pulse center and an affect the endpoints.

Is this profi gyro a Robbe or other brand?

TM
07-15-2004 Over year old.
HOMEPAGE  
 
 
Rob_T
Elite Veteran
Location: Tualatin, OR - USA

The profi is an Ikarus gyro - its what I had in my Eco when I was experimenting with the Stylus The profi is designed for 1.5ms center pulse width.

I had to use way more than 10 on the center menu with the profi, my rudder center had to be set to 36- thats why I thought the stylus was a different pulse width system (I know Sanwa which is the same company used 1.35ms center pulse width, so I assumed maybe the stylus is the same.) Running with the center so far off reduced the available control throw on rudder. I also expect I would have a similar offset on the gain channel, although I never tried to find out.

Its not the gyro thats off as it works properly with the JR transmitters, they need maybe 1 click of trim to get the rudder to center. (Its a HH gyro, so I'm talking about finding the point where the tail servo stops moving to the end of its travel.)
07-15-2004 Over year old.
 
 
TMoore
rrProfessor
Location: Cookeville, TN

Rob,

In all the years that I have flown ATX, I don't ever remember them using 1.35 ms centering. The first ATX radio I ever owned was a CS5H, Championship Series and it was exactly the same as the JR. JR and ATX use 1.5 ms centering. The old Futaba radios used 1.3 ms centering and all this does is skew the servo output a little but nothing that the servo can't handle.

There is something else amiss here. I have a feeling that you need to recalibrate your Stylus. The information to do that is on the web but if you are uncomfortable doing it I can understand. I measured the output of my Stylus and all the proportional channels are 1.5ms. You may want to send the radio back to ATX and have them calibrate the sticks. An alternative would be to have someone use a scope and measure the output from the DSC port on the radio.

BTW, do you have A-DTM enabled? If you use it (I do), inhibit the rudder trim in that menu. If you use HH gyros you won't need it for the rudder channel.

TM
07-15-2004 Over year old.
HOMEPAGE  
 
 
Rob_T
Elite Veteran
Location: Tualatin, OR - USA

Egg on face!

Problem resolved - it was the nut behind the sticks (ie me)

The reason I had so much offset in the centering menu was to compensate for a whole lot of offset set in the trim memory. When I went through all my setups again I found the problem.

As a colleague once said, "to assume makes an ass out of u & me".

Thanks everyone for the help, at least I learned quite a lot about setting up the stylus today
07-15-2004 Over year old.
 
 
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Radio - Servo - Gyro - Gov - Batt > What gyro with Airtronics Stylus
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