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HelicopterComputer Flight SimulatorsOther › Tail not lock on XTR.
10-09-2005 06:54 PM  12 years agoPost 1
tussy

rrApprentice

Thailand

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Hi.

I still got the problem with my XTR due to tail slide when flying backward.
Yes, I am in HH mode by useing piezo-integral in R50V2 tuning model and assigned Ch#5 to control Gyro gain.
What's the problem?

Anybody help me please.

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10-10-2005 11:36 AM  12 years agoPost 2
tussy

rrApprentice

Thailand

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Yes I assign Gyro sens to ch#8 and used the variable slider on 9CHP to control this Gyro gain. I started from center of slider and slightly incresed to the maximum also do this same thing in reverse side, but head still not lock.

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10-10-2005 12:19 PM  12 years agoPost 3
tussy

rrApprentice

Thailand

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I am not sure the original one or not, but I installed form XTR and by the way I upgrades Reflex to V.5.02 now.
I had try in many models, but on one heading lock.
What do you think?

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10-10-2005 07:27 PM  12 years agoPost 4
tussy

rrApprentice

Thailand

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Thanks alot SwissKurt for your superb help.

Sure I am in piezo-integral.
I checked with the channel display F8 the slider working great no signal stuck and I switched to use the variable knob instead of the slider to see what happen.Still no head lock.
I confirmed by the channel display F8 every channels are perfect.
So what should I verify next?

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10-11-2005 01:41 AM  12 years agoPost 5
tussy

rrApprentice

Thailand

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I went to calibrate center and assign channel serveral times, but no success. What happen to me?

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10-11-2005 04:13 AM  12 years agoPost 6
RCfan

rrKey Veteran

Longwood, FL USA

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I would recommend making a recording of what you are experiencing and posting it. Have you changed any settings such as field of view or zoom that might give you the impression of tail drift when it's nothing more than perspective changing? Also make sure that you have the right gyro mode on your radio (GY or AVCS) and that on the sim you have the gyro channel assigned properly (+/-).

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10-11-2005 10:40 PM  12 years agoPost 7
tussy

rrApprentice

Thailand

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I assigned channel by carefully useing gimbal/pots.

Yes I changed the setting on field of view. So I will try with the default setting one and see what happen.
By the way it's a good idea to making a recording and let's you guys see.

Thanks.

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10-13-2005 04:07 AM  12 years agoPost 8
mkeigwin

rrApprentice

Marietta GA usa

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this is how i have mine set up and it work like it should . first go to auxch select and make sure that
ch 5 is on sw f
gyro sens mode gy
mix act
rate norm avc 50%
id1avc 65%
id 2 avc 70%

hold avc 50%
sw cond

ok now open xtr and bring up channel display
make sure channel 5 moves when you change from norm to id1 and id 2

ok i found that if you only use the radio for hh that some time the % in the tx has more or less and you can get the amount by moving the sens for each cond by watching how much you have in each cond . this is how i set mine up and it work for me , took some work to get right but it work as good as my heli does . let me know if this helps .

Trex 600Pro
TTRed Line 53
ATG
Solid G
9252's
12 FGH

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10-13-2005 07:13 AM  12 years agoPost 9
tussy

rrApprentice

Thailand

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mkeigwin
I justed tried with your instruction, but no success.

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10-13-2005 08:21 AM  12 years agoPost 10
darkfa8

rrElite Veteran

Brick, NJ - USA

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I was chasing some tail related issues on XTR tonight as well...

My Channel 5 was not getting any signal. I have AVCS active in all flight modes and had the gains all at 70%. I dropped it to 50% and was able to complete the Center Radio Calibration. However, once the simulation started, I was getting drift. I bumped the gains back upto 70% and it seems to be holding.

I verified that the Ch. 5 in the Channel Display (F8) was working with the Rudder stick.

I'm using John's R90 machine from France.

- Dan Goldstein
Team Revolectrix

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10-13-2005 10:26 AM  12 years agoPost 11
the collective

rrKey Veteran

Bayside, NY, U.S.A

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tussy, try this solution...

Go into f7 "channel assignment" and UNCHECK channel 5 on the gyro item. Don't assign any channel to the gyro, leave it unassigned.

Then go to the f5 "model parameters" screen and see that the "gyro gain" is set to 100, and that "piezo integral" is selected.

Then try flying and the tail should work in heading hold mode.

If you get any tail problems at that point, make sure that there is no "revolution mixing" or trim offset enabled in the transmitter. If I'm not mistaken, the 9C might have revo mixiing enabled by default in a new setup. Make sure it's inhibited.

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10-13-2005 01:37 PM  12 years agoPost 12
tussy

rrApprentice

Thailand

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the collective
I tried by your instruction still no heading lock.
I confirmed the calibrate center, assign channel and my TX set up are correct. Is some thing wrong with my computer or R e f l e x programe.

This is the link that I attached the demo file, so would you mind to download and see what happen.

http:// [url]http://www.rcthai.net/...29206740&jonix= [/url]

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10-13-2005 01:38 PM  12 years agoPost 13
tussy

rrApprentice

Thailand

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10-13-2005 03:28 PM  12 years agoPost 14
the collective

rrKey Veteran

Bayside, NY, U.S.A

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Once you have made sure that the gyro sensitivity is NOT assigned to any channel, it should be fine. The only thing I can think of at this point is that you either have revo mix active in the transmitter or some trim offset.

Sorry I can't think of anything else at the moment...

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10-14-2005 01:07 AM  12 years agoPost 15
tussy

rrApprentice

Thailand

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No Gyro sens assign.
No Revo mix.
No Trim offset.

If you see from my demo file, I flew R50V2 tuning backward without rudder input the tail of model yaw counterclockwise.

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10-14-2005 01:29 AM  12 years agoPost 16
RCfan

rrKey Veteran

Longwood, FL USA

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I ran through the demo and first thing I noticed is that you're not running the stock heli (what have you tweaked on that model?). Also appears you are inputting rudder in that demo since you can clearly notice it's locked until it's almost nose-in (to your view); once nose-in, it slowly appears to drift. Hard to pin-point, but at this point I'd like to see screenshots of the channel assignment, calibration run, and channel display windows.

BTW, what radio are you using?

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10-14-2005 02:07 AM  12 years agoPost 17
MJA

rrKey Veteran

UK

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I've also watched the demo file and the tail isn't drifting around i think
it's due to the perspective type flaw in Reflex that i posted about quite a while ago.

Basically what happens is the heli appears to drift in yaw whenever you do any prolonged backwards flight off to the right hand side of the screen or the left.

To prove the heli isn't out of trim on the tail and the tail lock is ok you can try this test..

Switch to the basic old scenery with the pilot selectable viewing options
Choose modify simulation parameters or press F6
Change the radio button from fixed viewing position to "following the model" so you can see it closer up all the time

Now keep flying the heli back out directly from nose in (as if heading backwards towards the back centre of the screen all the time)and it should not yaw if the tail really is in trim and is holding ok in the sim,even if you nail all the collective with a lot of aft cyclic for maximum speed
Now try flying backwards off to the right side of the screen and it will appear to yaw round slowly after a while.The same with flying backwards off to the left of side the screen.

Once you become aware of this ,happens in follow mode or fixed viewing modes,it can get a bit annoying.I will normally correct for it at times automatically on the rudder stick depending what i think my view of it ought to be.I can also screw up the yaw perspective in large diameter sideways looping

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10-14-2005 04:48 AM  12 years agoPost 18
tussy

rrApprentice

Thailand

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RCfan
You can see my data here.

http://www.rcthai.emodeler.net/boar...ST ~~~

I assign variable slider on my 9CHP for ch#5 and leave slider at center when I do calibrate center.


Footaba
Will do.

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10-14-2005 05:23 AM  12 years agoPost 19
RCfan

rrKey Veteran

Longwood, FL USA

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Hmm, so you have set Ch 5 to either VR-D or E on the 9C Aux screen AND disabled (INH) Gyro in the Gyro Sens menu, correct? After you calibrate with slider centered, go into Reflex's Channel Assignment window, click on Gyro sensibility and when asked to Adjust the channel QUICKLY flick the slider to it's MAX position. Go into the channel display and verify that you get at least 100% on either side; if not, go back into the radio and increase the End-point for channel 5 until you do.

If after all this it still does not work, try using the actual Gyro screen on the 9C after setting Ch 5 to NULL under Aux. Set GY mode, and establish an AVC of 100%, a 0% and a NOR of 100%. Recalibrate and reassign the gyro channel in Reflex as before. Go back to radio GYRO screen and adjust AVC to 85%.

Come back and post results here.

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10-14-2005 05:37 AM  12 years agoPost 20
RCfan

rrKey Veteran

Longwood, FL USA

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BTW, noticed your auto setting is set same as throttle channel, you need to correct that. Easiest method is to assign ch 8 to switch G in Aux menu on the 9C.

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