Synergy Tech Support

Synergy Nitro Helicopters => Synergy N5 / N5c => Topic started by: birddawgg on June 24, 2013, 09:41:22 AM

Title: Mounting magnets for the gov?
Post by: birddawgg on June 24, 2013, 09:41:22 AM
Sorry ya'll I hate to keep asking questions but....should the governor sensor read both magnets or should the magnets be mounted so that only one is read?
Title: Re: Mounting magnets for the gov?
Post by: flyalan on June 24, 2013, 09:56:56 AM
I mounted the magnet so that one is read.  The second magnet is placed upside down so that it does not activate the sensor. That is  what I have done with the CGY750 and a Multigov. I cannot speak for VBAR or another unit. On nitro I haven't used anything but a CGY750 or a multigov..  On electrics I rely on the ESC GOV.
 
Cheers
Alan
Title: Re: Mounting magnets for the gov?
Post by: birddawgg on June 24, 2013, 10:10:09 AM
Well crap no wonder the gov won't run right. Gotta pull a magnet and flip it over. Thanks again Alan.
Title: Re: Mounting magnets for the gov?
Post by: Mark Burberry on June 24, 2013, 10:46:02 AM
Works the same on Vbar. Each magnet needs to be a different polarity so only one is picked up from the sensor.

Cheers,
Mark

I mounted the magnet so that one is read.  The second magnet is placed upside down so that it does not activate the sensor. That is  what I have done with the CGY750 and a Multigov. I cannot speak for VBAR or another unit. On nitro I haven't used anything but a CGY750 or a multigov..  On electrics I rely on the ESC GOV.
 
Cheers
Alan
Title: Re: Mounting magnets for the gov?
Post by: Chris Sexton on June 24, 2013, 10:47:25 AM
With VBAR you can get around this by changing the Senor number to 2. That way it knows to count 2 signals from the RPM sensor as 1 revolution.  But changing one of the magnets is better if you can get it out.
Title: Re: Mounting magnets for the gov?
Post by: Mark Burberry on June 24, 2013, 10:54:18 AM
Are you talking about the two main gear stages option?

With VBAR you can get around this by changing the Senor number to 2. That way it knows to count 2 signals from the RPM sensor as 1 revolution.  But changing one of the magnets is better if you can get it out.
Title: Re: Mounting magnets for the gov?
Post by: birddawgg on June 24, 2013, 10:56:55 AM
In the gov menu for the cgy 750 it show an option for 2 poles would this mean I don't have to remount the magnet?
Title: Mounting magnets for the gov?
Post by: Kevin Dalrymple on June 24, 2013, 11:03:16 AM
Yes set the 750 to 2 and you should be good.
Title: Re: Mounting magnets for the gov?
Post by: flyalan on June 24, 2013, 11:09:56 AM
Yes that should work.  I always set up the magnets as previously described but that would be much easier at this point.
 
Cheers
Alan
Title: Re: Mounting magnets for the gov?
Post by: Chris Sexton on June 24, 2013, 11:10:23 AM
Are you talking about the two main gear stages option?

With VBAR you can get around this by changing the Senor number to 2. That way it knows to count 2 signals from the RPM sensor as 1 revolution.  But changing one of the magnets is better if you can get it out.

No on the Nitro Gov Setup 2 page, it asks for Main Gear ratio, Sensor, and max RPM.  Sensor is the number of signals from the RPM sensor to count as one 1 revolution of the motor. If you put both magnets in so that the magnet light on the setup page lights green when both magnets pass over the sensor, then you need to set sensor to 2. If both magnets are upside down and NEITHER magnet lights the magnet light, then you need to flip one of them over because now it isn't seeing ANY rpm reading.

It's important to note that you might need to leave the magnet under the sensor with the system powered up for more than a second to get the magnet light to come on during setup.  If you still get no magnet light after swapping one of the magnets, then you need to adjust the position of the sensor,it might be too far away. Just make sure you check both magnets before you try and fly and make sure you have the right sensor value or the VBAR won't be able to hold head speed.
Title: Re: Mounting magnets for the gov?
Post by: Mark Burberry on June 24, 2013, 11:21:33 AM
Thanks Chris.
I really don't need this option, rather just interested as I have not seen this before.

Look at the screenshot, I don't see this option. What am I missing?

Thanks,
Mark
Title: Re: Mounting magnets for the gov?
Post by: Mark Burberry on June 24, 2013, 11:29:24 AM
Okay... I see what you talking about now. It seems it is only available for governor on electric.
That option is not available for nitro governor.

Cheers,
Mark
Title: Re: Mounting magnets for the gov?
Post by: Chris Sexton on June 24, 2013, 12:14:38 PM
you know what, I apologize. You are right. ON VBar you must have one magnet up and one down, it's iKon that lets you override the sensor value, and on the electric VBar it is looking for the number of poles divided by two.

Sorry about that.  Been working with too many systems of late I guess.
Title: Re: Mounting magnets for the gov?
Post by: Mark Burberry on June 24, 2013, 12:25:01 PM
No problem Chris... I was more just interested to see if I missed it somewhere.  :)

How are you finding the Ikon by the way? I have a friend that had some issues with Ikon in the past and changed systems (Can't remember the specific issues off hand).
I think these might have been corrected with a software update that was released a little while ago.

Cheers,
Mark
Title: Re: Mounting magnets for the gov?
Post by: Chris Sexton on June 24, 2013, 01:15:44 PM
No problem Chris... I was more just interested to see if I missed it somewhere.  :)

How are you finding the Ikon by the way? I have a friend that had some issues with Ikon in the past and changed systems (Can't remember the specific issues off hand).
I think these might have been corrected with a software update that was released a little while ago.

Cheers,
Mark

Well not to steal the thread, but the iKons have come along way.  I have only recently put one on my N5c and only really just getting the gov tuned.  I hope to get out again this week and put a few more flights on it.

Now on my E5s, with the EDGE 120HV, LOVE IT! Gov holds great, flies very predictable and stable. There is a current issue with .23 firmware randomly pushing the tail dynamic setting to max on setup, but simply put it back to where you like it and it will stay there.  The .24 firmware which is in beta right now addresses it.

There are a couple other minor improvements to the GOV in .24 I am eager to see the public get. But I don't know when that will happen.
Title: Re: Mounting magnets for the gov?
Post by: birddawgg on June 28, 2013, 08:11:07 AM
A quick update on the pole settings in the cgy 750, it doesn't work. The rpm will rise until mid stick then start to die off above mid stick. Out of curiosity I changed the poles to 4 in the unit and got into a good hover, went into idle 1 and it started to die off again. My theory is that the pole setting are to enable the gov mode for electrics. The pole count goes in increments of 2 from 2 to 20. Anyway I have successfully removed the magnet and will re install the proper way.
Title: Re: Mounting magnets for the gov?
Post by: flyalan on June 28, 2013, 08:36:42 AM
Yeah I wondered about that.  The electric GOV part was added on a subsequent update.  The manual use to indicat that one magnet would need to be reversed.  I haven't tried the electric GOV but what you are saying makes sense.  I will have to do some research on that!
 
Cheers
Alan
Title: Re: Mounting magnets for the gov?
Post by: Mark Burberry on June 28, 2013, 08:56:20 AM
The easiest way for nitro Gov. is just to make sure you install the magnets with opposite poles. Most sensors want it this way and I have never had an issue with this.

Never used the electric Gov on a CGY 750... But I am sure it works the same as the VBar gov where it's looking for half the number of motor poles when using Spektrum / Hyperion etc. phase sensors. Some phase sensors might require a full pole count, however I have not experienced this.

Cheers,
Mark
Title: Re: Mounting magnets for the gov?
Post by: birddawgg on June 28, 2013, 12:38:04 PM
So I flipped the magnet over put back in and I still get the same reading as the other magnet. Really getting frustrated!!!!
Title: Re: Mounting magnets for the gov?
Post by: Mark Burberry on June 28, 2013, 12:40:54 PM
So I flipped the magnet over put back in and I still get the same reading as the other magnet. Really getting frustrated!!!!

What sensor are you using? I might have missed this in an earlier post.
Title: Re: Mounting magnets for the gov?
Post by: birddawgg on June 28, 2013, 01:23:59 PM
GV1 for the CGY 750.
Title: Re: Mounting magnets for the gov?
Post by: flyalan on June 28, 2013, 01:36:02 PM
What number are you getting on the display for each magnet?  Example 98%....
 
Alan
Title: Re: Mounting magnets for the gov?
Post by: birddawgg on June 28, 2013, 01:49:27 PM
96% on each.
Title: Re: Mounting magnets for the gov?
Post by: flyalan on June 28, 2013, 01:55:53 PM
Hummm...  You are 100% sure you did flip the magnet?
I have set up three CGY750's on Nitro and have never had that happen.  I guess you could have a bad sensor? Are the magnets the stock futaba ones?  If you can pop them both loose again I would suggest you dismount the sensor and try them off the clutch bell with the sensor.  Other these  suggestions I am baffled.
 
Cheers
Alan
Title: Re: Mounting magnets for the gov?
Post by: Mark Burberry on June 28, 2013, 02:00:13 PM
I am leaning towards a bad sensor myself Alan. I am all Vbar and not familiar with the Futaba... But it does sound like sensor if the magnets are correct.
Title: Re: Mounting magnets for the gov?
Post by: birddawgg on June 28, 2013, 06:11:19 PM
What should the reading on the sensor be for the one that's upside down. I have it whittled down to 29%, with 96% on the other magnet. Will this be acceptable?
Title: Mounting magnets for the gov?
Post by: flyalan on June 28, 2013, 08:27:28 PM
Yes that should work. The cutoff is in the 90% plus range I believe. Anything less isn't recognized.


Cheers
Alan

Team Synergy
Title: Mounting magnets for the gov?
Post by: flyalan on June 28, 2013, 08:29:54 PM
Actually I just checked. Anything less than 60% is not counted..



Alan Butler
Team Synergy
Title: Re: Mounting magnets for the gov?
Post by: birddawgg on June 28, 2013, 09:39:23 PM
Sweet, it was on my to do list to look up the limits. Thanks Alan...