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Ace Hobby . Esprit Model . Thunder Power RC

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Aerial Photography and Video > Need help setting up a T12Zh with Hilicommand
 
 
rerazor
Elite Veteran
Location: Mich.

Yeah, but nooobs your a quick learner with a knack for writing manuals.

Oh, and one hell of a photographer.
04-23-2008 01:43 AM
 
 
daytonabeach
Key Veteran
Location: Oslo, Norway

Man, im so happy to see youre back in the air, cross my fingers that everything will work properly now...

Yes, i will of course tell you how the profi will work, around mid may i guess

Never argue with an idiot, he'll drag you down to his level and beat you with experience...
04-23-2008 06:56 AM
HOMEPAGE  
 
 
Red-Rx7
Senior Heliman
Location: Olathe, KS - USA

A quick question...

I have the HC unit and when I install my servo's into the receiver and set all my trims to nuetral and center stick everything; the servos center out. Part of the mechanical setup I then adjusted the servo horns to be 90o as it should.

Then, I routed everything through the helicommand and noticed things were no longer centered. Things were off a good few servo horn notches.

Anyone else experience this?
04-24-2008 01:01 AM
 
 
rerazor
Elite Veteran
Location: Mich.

Center everything after you install the HC unit. Do you have the software?
04-24-2008 02:07 AM
 
 
nooobs
Key Veteran
Location: Toronto, Canada

Red

On your radio, what did you set your swash to?
04-24-2008 05:04 AM
HOMEPAGE  
 
 
Red-Rx7
Senior Heliman
Location: Olathe, KS - USA

Thanks for the replies.

I do have the software.

I have a JR XP9303 radio (picking up a 12z in a few days). I have the swash set to the single servo default action (mCCPM). I have the HeliCommand essentially setup and working on the bench from the perspective of simple swash movement.

When I enable the Rigid mode to "fixed" things really get weird.

For example, see below.

Unseen Picture:
The servo horn is set at a perfect 90o centered without the HeliCommand interfacing between the RX and Servos.

Picture #1:
This is with the HC interfacing between the servos and the RX. No Rigid modes have been set. No trims have been set within the HC Software. This is in "RED" mode (no stabilization). Stick is at 50%.

Notice the angle it produces



Picture #2:
This is the same setup as picture #1, yet Rigid Mode has been set to "Fixed".

Notice the angle it produces



Questions:

1) Should I adjust the horns to make it a perfect 90o again when HC is connected, or should I adjust the Trim setup?
2) If so on #1, in which mode should I adjust the servo on? Rigid Fixed or not?
04-24-2008 06:08 AM
 
 
nooobs
Key Veteran
Location: Toronto, Canada

Hey Red, I'm not familiar with your heli, what heli is this?

I'm assuming this is a flybarless head?
04-24-2008 07:32 AM
HOMEPAGE  
 
 
Red-Rx7
Senior Heliman
Location: Olathe, KS - USA

The heli is a Pantera 50.

It has the Century 5 Blade head.

See here for more information: http://www.runryder.com/helicopter/t418786p1/

Thanks,
Mike
04-24-2008 09:28 PM
 
 
nooobs
Key Veteran
Location: Toronto, Canada

Mike

Center everything after you've installed the HC and software.

You'll be using Rigid mode to "FIX".

Start off with a low gain and gradually increase. Once the heli starts to oscillate back down a notch.

Bring a laptop to the field.

Try different head speed and see what works for you.
04-25-2008 01:36 AM
HOMEPAGE  
 
 
helimeister
Heliman
Location: Torrance, CA-USA

Mr. Noobs or anyone else with knowledge of HC,

I have HC rigid installed on my Trex 450 with rigid function off since my Trex is not flybarless. I have the serial/usb connected, so I can easily change setting using my computer. My transmitter is futaba 9C. I am also using the internal gyro for my tail control. I spent almost 2 weeks reading the manual(not very helpful) and reading through many posts and I think I am almost done with programming. I just have couple of questions before I finish.

In order to level the swash plate, I am using the TB swash leveler. Can I use subtrim on my transmitter to make fine adjustments to swash?

Default setting for gyro gain is 65. Can I use my transmitter to adjust gain setting? I do have the gyro/auto trim function connected to channel 5(spring loaded 2 position switch), which on 9C is gyro gain control.

Mr. Noobs your explanation was great! I learned more from your explantion than the manual. Thanks in advance.
04-29-2008 02:16 AM
 
 
nooobs
Key Veteran
Location: Toronto, Canada

helimeister

Personally I would try to level the swash mechanically before using sub-trims. I'm actually not using any sub-trims on either my MJ2 or Trex to level the swashplate.

[EDIT]

Yes use the sub-trims to level the swash if you have to. The HC software can limit the travel of the swash to prevent binding.

I've never used the built-in gyro in the HC unit so I cannot comment on that. Maybe someone here can chime in.
04-29-2008 02:57 AM
HOMEPAGE  
 
 
Red-Rx7
Senior Heliman
Location: Olathe, KS - USA

Here is another HC question:

If you are using the 4 servo 90o swashplate setup, how do you change the modes of operation with the HC unit?

According to the manual, for a 4 servo setup you have to use the Pilot channel. Yet, it also states throughout that you should use the Pilot channel to change the modes between Red, Yellow, and Green. I see nothing mentioned about trying to use both?

If I were going to run this on the Vario Benzin-Trainer, the typical setup is a 4 servo one....

Thoughts?

Thanks,
Mike
05-26-2008 03:33 AM
 
 
nooobs
Key Veteran
Location: Toronto, Canada

Mike

The swash type has nothing to do with the various "modes".

You can only pick one of the modes at a time.

Orange/yellow - horizontal hold
Red - OFF
Green - Position hold.

You use a slider for the pilot channel.

So the middle being the OFF position. Then either way would be horizontal or position hold.
05-26-2008 03:42 AM
HOMEPAGE  
 
 
Red-Rx7
Senior Heliman
Location: Olathe, KS - USA

Nooobs,

On page 20 of the manual (click here); it shows the swash setup style:

90o with a 45o offset:

1 4
3 2

Aileron/Roll : Front Left
Elevator: Right Back
Coll. Pitch: Left Back
Pilot: Right Front

Unless I am completely missing the picture here; it is using the Pilot channel for the 4 servo setup. Where else would you plug the 4th servo in at to the HeliCommand?

And if you are using the Pilot channel to do this, this is also the same channel for the slider or 3 button switch to set the operating modes....
05-26-2008 03:47 AM
 
 
nooobs
Key Veteran
Location: Toronto, Canada

Mike

Do not confuse the RC-module. The pins where you plug in the servos are not directly linked to the adjacent wires. Just plug it in as it is shown on the manual.

This is a common misunderstanding.
05-26-2008 03:59 AM
HOMEPAGE  
 
 
Red-Rx7
Senior Heliman
Location: Olathe, KS - USA

Going to send you a PM. I am completly confused.

EDIT: I think the lightbulb may have just gone on...

Duh.

Normally I wouldn't connect the wire to the Pilot channel to a servo at all.. Yet still connect the Pilot channel to the RX.

I got you. I am blonde.
05-26-2008 04:00 AM
 
 
nooobs
Key Veteran
Location: Toronto, Canada

Hey Mike

Please update us on your progress. Is the swash moving correctly? I'd like to know how HC works on a 5 head. Thanks
05-27-2008 11:57 AM
HOMEPAGE  
 
 
Crazy-Joe
Heliman
Location: Germany

Hey guys,

nooobs is completely right: you have to split the wiring diagram in two halfs, a left one for the connection to the receiver and the right half for how to connect the servos to the RC module. These two half have nothing to do with each other in any wiring question !!!

And a small but fundamental correction about what was said above, regarding the active modes and the LED signalising them:
- RED: stabilisation and position mode OFF (tail gyro is always active when used)... correct
- YELLOW: horizontal stabilisation (gyros) active... correct
BUT:
- GREEN horizontal stabilisation AND position hold active
Only the position hold stand alone would not make any sense.

Cheers,
Joe
06-05-2008 11:36 AM
 
 
nooobsKey Veteran - Location: Toronto, Canada -
Joe

I was referring to the slider naming convention as per the manual.




Yes horizontal stabilization is also active when in "GREEN" mode. Of course. But when the optics cannot detect enough contrast on the ground then the led flashes green and this is when only horizontal stabilization is active.

The misunderstanding that people are having is when hovering at a higher altitude and complain that position hold is not working. It does have limits. I've only been able to use position hold around 1.5m. Anything higher the heli would drift but would remain leveled.

Consider the Profi for higher altitude position hold.

Another misunderstanding is some think that when in horizontal hold that the heli is suppose to stay in one spot. That is incorrect too. Horizontal stabilization only keeps the heli leveled according to the orientation that it was "autotrimmed" at. What I've found is even on a zero wind day the heli will eventually drift slightly. In any wind the heli will drift, even after autotrimming, but will remain leveled. Remember wind is inconsistent. This drift can easily be corrected by cyclic inputs.
06-05-2008 04:05 PM
HOMEPAGE  
 
 
robbiese
New Heliman
Location: The Netherlands

Hi guys,
newbie om this forum.
What if you don't have a slider(DX7)and only a 2-position switch for the HC 3d?
cheers,
Rob
06-07-2008 10:17 PM
 
 
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Aerial Photography and Video > Need help setting up a T12Zh with Hilicommand
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