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HomeAircraftHelicopterMain Discussion › Logictech Gyro
06-02-2009 12:01 PM  9 years agoPost 1
mirmanchuck

rrApprentice

Venice Fl.

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I am setting up a Trex450 for a guy on a Futaba 7C. He has a Logitech LTG-2001T Gyro. I am having trouble getting it to go into heading hold mode. I tried reversing the data channel and that didn't work. When I inhibit the guro the green light comes on but the tail is not acting right. How do I get the heading hold to work?
I am a GY401 kind of guy. I know them inside out.

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06-02-2009 12:12 PM  9 years agoPost 2
red_z06

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Dumont, NJ

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Assuming all other setttings were done correctly, watch for the LEDs to give you clues. Increase the gyro gain slowly from 0% to 100%. Gyro gain indicator should start from right (max normal gain) toward left (least normal gain) then the green light should come on (HH mode min) and work toward right.

For initial setup, Start with the gain light 2 or 3 (from left) with the green light on.

Be sure that heli tail is fairly stationary in normal mode first.

www.JustinJee.com

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06-02-2009 12:28 PM  9 years agoPost 3
fenderstrat

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Aston,Pa

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I have 3 of these,I have set them up on my t6ex and now I have a 10c.I activate gyro mode on ch5,and select a switch to use,it automatically makes one side of the switch HH and the other Rate

redzo6(benny)the 2100 does not work like that with the gain LED's.the far left LED is 0-30% gain no matter what and the far right is 90-100 in either HH or rate

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06-02-2009 12:45 PM  9 years agoPost 4
red_z06

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Dumont, NJ

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I do not know the specifics of the gyro function on each radio. However, if you watch the servo monitor as it goes from left to right, that represent max normal to gyro off to max HH.

So I use more generic means as JR radios do not have a normal and HH separation in the menu.

www.JustinJee.com

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06-02-2009 12:47 PM  9 years agoPost 5
mirmanchuck

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Venice Fl.

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I can't get the green light to come on with gyro on. I have a 9C and could prob get it on that. There is no switch assign in 7C. I can get the red lights to go up and down when I adjust the gain in the radio. But the green HH light does not come on. The switch will change the gain, but not the green light.

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06-02-2009 12:49 PM  9 years agoPost 6
fenderstrat

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Aston,Pa

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yes,sorry should have mentioned that,the futaba gyro menu has sperate sides for rate and HH and both work staright ahead.0-100 is 0-100 very simple.what you were saying is the endpoints way,but i dont want to add anything that will confuse anyone as the OP is using a 7C

so,when using a 7c,activate the gyro function and set your sides should be really quick and easy

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06-02-2009 12:51 PM  9 years agoPost 7
mirmanchuck

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Venice Fl.

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what about the green HH light? Shouldn't that be lit?

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06-02-2009 12:51 PM  9 years agoPost 8
fenderstrat

rrProfessor

Aston,Pa

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The switch will change the gain, but not the green light.
is the gyro function ON?what ch is the gyro sense lead plugged into?

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06-02-2009 12:57 PM  9 years agoPost 9
red_z06

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Dumont, NJ

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When everything works well, the added gyro function is a great convenience that I enjoy as well on my 12Z. But, as in the above case, when there is a problem, you alway want to go the the basics as the man was reversing the channels and might have tripped other features.

The bottom line is what the servo monitor says on that channel. If it is around 25% then the gyro should be roughly 50% gain normal. If it is at 75% on the monitor, you should get HH 50% or so.

Or, you can verify your gyro menu settings by looking at the servo monitor on gyro gain channel.

www.JustinJee.com

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06-02-2009 01:25 PM  9 years agoPost 10
mirmanchuck

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Venice Fl.

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[quote]is the gyro function ON?what ch is the gyro sense lead plugged into?

The gyro function is on and the data wire is in channel 5.
The green light only comes on when I turn gyro function off(INH). Are they saying that I am in HH mode even if the green light is not on?

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06-02-2009 01:29 PM  9 years agoPost 11
red_z06

rrProfessor

Dumont, NJ

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Which red LED is on with the green (HH)?

www.JustinJee.com

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06-02-2009 05:41 PM  9 years agoPost 12
outhouse

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auburn ca

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I posted this at HF for you to.

First program the gyro to your TX there is 3 settings for different TX,s

program your tail servo into the gyro

Set your switching mode from rate to HH on the gear channel. it makes it easier to re tune after wrecks as when you set it up fresh you always need to be in rate mode and get a perfect hover with no subtrim. dissconnect lipo switch to HH and then start and fly.

you do not switch from rate to HH and then fly, lipo must be dissconnected when switching modes

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06-02-2009 05:44 PM  9 years agoPost 13
outhouse

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auburn ca

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Which red LED is on with the green (HH)?

green tells you if your in HH

red tells you either what your programming but when the gyro starts and after initialazation it tells you how much gain you have so you can program your TX to match the real gain % amount not just guessing by what your TX says might be the gain

using the gyro menu in your TX will always give you fits with this gyro and the TX often has to be reprogrammed after you set it up properly.

that is why the gear channel is the best and easiest to use

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06-02-2009 05:53 PM  9 years agoPost 14
red_z06

rrProfessor

Dumont, NJ

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you do not switch from rate to HH and then fly, lipo must be dissconnected when switching modes
Are you talking about 401? Outside of 401, I do not know any other gyro that can't switch modes at will. There may be others if it is a clone of 401. But, all LT and Hitec do not care what mode you start in as you can flip back and forth as many times as you wish.

www.JustinJee.com

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06-02-2009 06:08 PM  9 years agoPost 15
tadawson

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Lewisville, TX

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Say what? You can switch modes in flight on a 401 - I do it pretty regularly . .. . no restrictions there at all . . . . at least not in the gyro. Your TX, I don't know . . . .

- Tim

Friends don't let friends become electrotarded . . . .

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06-02-2009 06:13 PM  9 years agoPost 16
red_z06

rrProfessor

Dumont, NJ

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Hmmm. Perhaps I'm confused about 401s as I haven't used one in almost 3 years. I vaguely remember that you can't start in rate mode (blinking?) and flip to HH mode. Maybe I got it mixed up with something else.

www.JustinJee.com

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06-02-2009 06:24 PM  9 years agoPost 17
tadawson

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Lewisville, TX

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True, you need to boot it in heading hold, but that is a true statement to get any of the modes on a 401 to work correctly. Once you boot it in HH, you can switch back and forth at will . . . .

Bottom line is that a 401 should *always* be powered up in HH, no matter what mode you plan to fly in . . . . as I believe the instructions point out as well . . . .

- Tim

Friends don't let friends become electrotarded . . . .

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06-02-2009 07:41 PM  9 years agoPost 18
red_z06

rrProfessor

Dumont, NJ

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So, my memory did not fail me.
Such restriction do not apply to all other gyros as I often start in rate mode initially to check the mechanical center.

This whole mode change discussion came up as the guy above mentioned turning power on/off to change the mode from rate to HH.

Unlike 401, 2100T and 5000 work better when mechanically centered. So, it is a good practice to boot in rate and lift off in rate mode to check that the tail linkages did not go out of whack before flipping upto HH.

www.JustinJee.com

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06-02-2009 08:34 PM  9 years agoPost 19
LaurenceGough

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UK

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You can boot the Logictech 2100T up in rate mode just fine and switch to HH when you please.

You have to get a perfect no-drift mechanical hover in rate mode in idle up (or whatever flight mode you most often fly).

Here you can find my own set-up thread posted on here:

http://www.runryder.com/t484699p1/

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06-02-2009 10:21 PM  9 years agoPost 20
outhouse

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auburn ca

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I have seen your post already at rcg. I have been involved with the original thread at rcg for years on this gyro and have read every page.[what 88 now] I was told that if you reboot after switching to HH that it will stop allot of drifting issues. No use arguing this issue its not the place its not the OP,s issue. fact is on this gyro gear channel makes it easier so you dont have issues like OP is having.

Now if im wrong, whats the problem? how often do you switch from rate to HH anyway. once every wreck thats it.

Now if im right, you are fighting issues and cant figure out why you still get creep or drift on a very sensitive gyro as it is.

hotairflyer at rcg told me this in brovics set up guide and i tried it and it did stop drift

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HomeAircraftHelicopterMain Discussion › Logictech Gyro
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