Help with GY401/DX6i

[Mart61]

Hi guys

Just hovered out a couple of packs and I'm finding my tail is drifting very slightly anti clockwise.

I was gonna tinker with the gain but, on looking at the settings in the DX6i, the gyro switch is INH. A guy at my club set it up for me as I have the gain lead going into the GEAR port on my AR6200.

How can I vary the gain to see if it helps? I can't see a menu that let's me adjust any settings on the gear switch.

Cheers

Martin

[Mart61]

I think I may have fathomed it.

If I go into the Travel Adj menu and alter the settings alongside GYRO, will that do it?

I currently have it set to 100%. Any idea what is good for a 401 on a T-rex 500/DX6i combo?

[terryk2000]

Travel adjust will alter the gyro gain..try setting it to 70% if the tail wags then reduce it. I have it set at 65% for my Mini Titan with GY 401.. holds well with no wag
hope this helps
Cheers
Terry

[Mart61]

Thanks Terry - I'll give it a go on my next hover.

[Brian Gifford]

I think I may have fathomed it.

If I go into the Travel Adj menu and alter the settings alongside GYRO, will that do it?

I currently have it set to 100%. Any idea what is good for a 401 on a T-rex 500/DX6i combo?

Martin, I don't know if yours is the same, but mine as set up by Tim, travel adjust is 55% both ways. Gyro I am running at 63%, and the tail seemed stable. HTH.

[Mart61]

Thanks Brian - I'll give it a shot later.

Here's another question:

How many of you are running your DX6i with the gyro menu INH and using the gyro settings in travel adj? That was the way I was recommended to do it at the field. Is this the best way?

[Brian Gifford]

Martin, as I understand it (so it's probably wrong!) you set the travel adjust limits for Gyro, then use the gyro menu to control gain. IF I'm wrong, I'm sure someone will tell me. Thing is, the tail's always been dead stable on my 500. The pilot's a different matter.....

[Mart61]

Many thanks Brian.

I have seen several posts that have said it's "better" to INH the gyro. It doesn't seem to be the majority view tho perhaps.

Lee's post here is one such post: http://www.rcheliaddict.co.uk/main-d...tml#post200569

[0h5h1t]

the 401 limits are set using the adjuster on the gyro itself...

the atv for the gyro channel will not work if he has the remote adjuster cable from the gyro plugged into his gear channel.

He will need to set the limits on the gyro then setup rate mode to get the correct neutral position and then adjust the atv for the gear channel to vary the remote gain of the gyro.

[Brian Gifford]

Many thanks Brian.

I have seen several posts that have said it's "better" to INH the gyro. It doesn't seem to be the majority view tho perhaps.

Lee's post here is one such post: http://www.rcheliaddict.co.uk/main-d...tml#post200569

No probs, Martin. As I got my heli off Tim, and as you would expect, he gave me settings for my Tx that worked perfectly, I just left it like that - "if it ain't broke, don't fix it"

Lee (Made2Fade) says in his post "Whatever works for you" , so I think there's more than one way of setting up a GY401 to work with a DX6i.

Over to you, Martin. Let me know what you end up doing.

[sacko]

the 401 limits are set using the adjuster on the gyro itself...

the atv for the gyro channel will not work if he has the remote adjuster cable from the gyro plugged into his gear channel.

He will need to set the limits on the gyro then setup rate mode to get the correct neutral position and then adjust the atv for the gear channel to vary the remote gain of the gyro.

This is how mine is setup too. Plenty of ways to skin a cat it seems, Finless Bob shows a different way too.

[Brian Gifford]

This is how mine is setup too. Plenty of ways to skin a cat it seems, Finless Bob shows a different way too.

As you say, Paul. So long as it works, I don't think it makes a lot of difference.

[Brian Gifford]

Actually, reading OS51T's post again, that's pretty much how mine is set up.

[Made2Fade]

Either way... what ever way you set up the tail push rod mechanically (to hold the tail straight in normal rate mode or for centre of travel and zero degrees pitch like me) then plug your gyro gain cable into the GEAR channel and use the Travel adjust to set your gain. From my experience most are using this method and i rarely come across people using the GYRO menu any more. The gyro limits are set on the top of the GY401 using the LIMITS pot. Set this so that it doesnt bind at full travel either way. You'll find if you setup mechanically so that the tail holds in normal rate mode then the slider will reach one side before the other (this is why i setup for zero degrees pitch in normal rate and never use it, we all fly in HH anyways). The reason i INH the GYRO menu and use the GEAR channel is so that i can switch from HH to NR using the GEAR switch. I prefer to have it there and as we all know the DX6i/DX7 doesnt have switches we can program. If i used the GYRO menu then the only option is my aileron dual rate switch and i just dont like it there. Hope that helps some more, just shout if you dont understand anything.

[paulcobra]

hi

hi i have mine set up the same (gain into the gear slot on the 6200) and the gyro switch still operates the switch between HH and rate, i did have a problem getting the gyro to initialize in HH mode, but someone else i think it was made to fade sorted this out for me over email, i think i still have the email some where, dont know if this helps at all, even if just regarding the switch issue.