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T-REX 450 › Gyro Help Please
04-25-2009 10:04 PM  9 years agoPost 1
RCHSF

rrKey Veteran

NC

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I got this heli, it has a RCE 500X gyro, and Futaba S9650 Digital Servo.

Radio is Spektrum DX7.

What I was hopeing for is someone with good knowlege, and has the DX7, and hopefully the t-rex 450, and same gyro. Or at least can explain a couple radio funcitons.

If you have time to help send me a pm, and call me, or me call you, I have nation wide calling.

I can make more sence of of this on the phone, as I forget things while corisponding via web.

Your help would be much apreciated.

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04-25-2009 10:33 PM  9 years agoPost 2
Wimbledon99

rrVeteran

UK

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Do you belong to a club? Talk to the guys there. If not, go to your local model shop.

Failing either, what's the question?

3D?? No - just another input error!!!

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04-25-2009 10:49 PM  9 years agoPost 3
RCHSF

rrKey Veteran

NC

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I have asked on several forums, and just have not got a good answer yet, not the peoples fault thou.

And I can't seem to get the issue across, was just hopeing that someone might have time for a one on one conversation.

We have several clubs around, but I don't care to join any. I have trouble enough, with out someone crashing into me.
Just prefer to be at home is all.

I have tryed useing gear/gyro, and useing the gyro sensing menu to set this gyro up. But cant seem to get it to work in HH mode.

And I have tryed gear/gear, and useing end points to set for rate, and HH mode.

Rate seems to work. But I cant get the servo to hold position left, ort right when I turn loose the rudder stick, to indicate it's in HH mode.

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04-25-2009 11:05 PM  9 years agoPost 4
Wimbledon99

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UK

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Take it to your local shop - you need one-to-one assistance - not one-to one conversation

Club would be better though - I've been on one for years and no one has crashed in to me yet (Bet they will now I've said it )

A club is the best thing you can do if you want to grow in this sport

3D?? No - just another input error!!!

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04-25-2009 11:48 PM  9 years agoPost 5
dkshema

rrMaster

Cedar Rapids, IA

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If you want to use the GYRO sense menu, you need to plug the gyro's gain lead into channel 7 -- Aux 2 of your receiver.

If you're using a 6 channel receiver, your only option is to put the gain lead into channel 5 -- and use the GEAR switch to control gain.

You'll probably need to go into the set up menu and enable the gear function.

-----

Also, you'll be using either channel 5 or channel 7 for your gain control. Scroll on over to the SERVO MONITOR window and watch the indicator bars associated with the channel you THINK you're using to control your gyro as you flip the switches. That would be quick and easy way to see if you are plugged in where you should be, and if what you think you set up is correct.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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04-26-2009 12:35 AM  9 years agoPost 6
RCHSF

rrKey Veteran

NC

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I thought if you was useing the gyro sens menu, you just set the gear/gyro, and it forwards the gear ch, to the gyro sensing menu.

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04-26-2009 01:29 AM  9 years agoPost 7
dkshema

rrMaster

Cedar Rapids, IA

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I thought if you was useing the gyro sens menu, you just set the gear/gyro, and it forwards the gear ch, to the gyro sensing menu.
I don't think so. If I had a DX7 TX in front of me, I'd make sure. But, if YOU have a DX7 TX, set it up as you think, then go over to the servo monitor page, flip the gear switch, and watch which one of the indicator bars moves. I may have to borrow a DX7 in the near future and give it a try, so I know for sure...

I still think that if you use the Gyro Sense menu, AUX 2 (channel 7) is the one that you need to plug the gain lead into. But the quick check above will verify for sure which channel is the one to use.

The manual is clear as mud on this topic, that's why there's so much confusion.

These things aren't magic. Use the tools built into the radio to help you see what's the switches are doing.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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04-26-2009 05:05 AM  9 years agoPost 8
RCHSF

rrKey Veteran

NC

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I do know that if I set the radio to gear/gear, flipping the switch will show the indicator moveing.

But if set to gear/gyro the indicator does not move, when flipping the gear switch.

This I'm pretty sure. And I'll get back to it tomarrow to be sure,

***Thanks dkshema*** for your help

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04-26-2009 05:23 AM  9 years agoPost 9
dkshema

rrMaster

Cedar Rapids, IA

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Gear/Gear should make the channel 5 monitor move when you flip the gear switch.

I'd really like to know for sure what setting the GEAR function to GYRO does when you flip the gear switch. Gotta get my hands on a DX7 for a few minutes.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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04-26-2009 06:34 PM  9 years agoPost 10
dkshema

rrMaster

Cedar Rapids, IA

My Posts: All  Forum  Topic

I learned something today from a friend who owns a DX7.

If you select GYRO for the GEAR function in the INPUT SELECT menu, the GEAR channel -- channel 5 -- is the channel that would control the GAIN. That's kind of a neat feature.

It would appear then, that you can use the GYRO SENSE menu with AUX2 (channel 7) -- OR -- you can use the GYRO SENSE menu with channel 5 (the GEAR channel).

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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04-26-2009 07:28 PM  9 years agoPost 11
RCHSF

rrKey Veteran

NC

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Yep I got the same confermation today as well. Yes this is very good.

Now to just get the gyro setup right.

Is it a rule that you need to setup rate mode, first then HH?

I did not on my Jr G500T gyro, I just use it in HH mode, never botherd with rate mode.

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04-26-2009 09:20 PM  9 years agoPost 12
dkshema

rrMaster

Cedar Rapids, IA

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Setting up in rate mode for a hover without left or right yaw is always a good idea. It won't HURT your setup, might actually HELP it in the long run.

Adjust linkages to get the rate mode hover correct, then have a ball in HH mode.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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