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Old Dec 17, 2012, 07:47 AM
Canadian Bacon
flypaper 2's Avatar
Kingston, Canada
Joined Jun 2004
12,550 Posts
I used both ail. outputs by flipping one ail servo over so both outputs are facing left. No jittering unless I crank up the sensitivity too far.

Gord.
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Old Dec 18, 2012, 06:23 AM
Registered User
United States, VA, Blacksburg
Joined Jun 2010
194 Posts
Part 2 or HK 3-Axis Stabilizer Reveiw

Hooking up and testing,

HobbyKing RX3S OrangeRX 3-Axis Flight Stabilizer V2 (V-tail/Delta/AUX) Part 2 (20 min 43 sec)
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Old Dec 18, 2012, 11:11 AM
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Montreal, Canada
Joined Dec 2002
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Thank you David for the two videos. Saved me a lot of time!
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Old Dec 18, 2012, 02:29 PM
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United States, VA, Blacksburg
Joined Jun 2010
194 Posts
Quote:
Originally Posted by beto9 View Post
Thank you David for the two videos. Saved me a lot of time!
Glad I can help!
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Old Dec 18, 2012, 05:01 PM
2^p - 1
signflyer's Avatar
United States, MO, Springfield
Joined Feb 2003
1,326 Posts
Anyone have a couple they want to sell? I've decided that I really like them V1 or V2 doesn't matter to me. I would also need 2 more of the 10cm male to male adapters.
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Old Dec 18, 2012, 06:00 PM
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Canada, BC, Coquitlam
Joined Dec 2009
442 Posts
Good video David.merc :-)

I have some inputs though.

Gyros don't like vibrations, so if you want a good result mount them with gyro tape and not Velcro. There's a thing called zeal tape, it's a green gel type tape that's a out a 1/4 to 3/8 thick.

Also reminding everybody to trim their airplanes mechanically before installing this system.

When doing your testing start with a low gain and move up until you get oscillation, then back off a little until it's gone. Run as high a gain as you can for best results.

Gyros like fast servos, so even though it will work with analog servos I believe the best result will be achieved with faster digital ones. To achieve higher gain levels you will have to have both, as little vibes as possible (and gyro tape that will dampen the rest) and fast servos.
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Old Dec 18, 2012, 08:00 PM
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United States, CA, Thousand Oaks
Joined Aug 2012
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Thanks Dave...still waiting for mine to arrive...so now I will know how to use it
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Old Dec 19, 2012, 03:36 AM
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Terry Rigden's Avatar
UK, Bedworth
Joined Apr 2004
2,542 Posts
could somebody please explain about trimming the model before adding the gyro

If my understanding of the way these things work is correct then they respond to rotation so having the servos off their centre should not affect the gyro operation. Have I missed something ?

I know how to trim an aeroplane and often adjust it to suit conditions ie more down trim on a windy day or adding down trim when landing through a turbulent zone. Adding a few clicks on the rudder to hold a thermal are all things I do routinely

Is it OK to use subtrims when doing the set up?

or having some trim in permanently

Do we have to set each gyro controlled channel at 1.56 ms ? (servo centre)
if so why ?

The servos on my model are not at the centre of their travel at neutral stick input as I have both sub trim and conventional trim dialed in. Is this why the gyro has slowed them down and caused a drop in servo resolution ?.


Thanks terry
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Old Dec 19, 2012, 05:46 AM
Canadian Bacon
flypaper 2's Avatar
Kingston, Canada
Joined Jun 2004
12,550 Posts
I use a few clicks of trim and subtrim with no noticeable affect.

Gord.
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Old Dec 19, 2012, 06:51 AM
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Blacksburg, VA 24060 USA
Joined Feb 2000
3,139 Posts
Minimog,

Good point re not mounting the gyro with velcro. What about thick double-sided sticky tape, like the kind used for mounting pictures and servos? Maybe several thicknesses? Where do you get gyro tape or green zeal tape?

Jim R.
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Old Dec 19, 2012, 07:22 AM
Life begins at transition
Australia, VIC, Sale
Joined May 2007
3,588 Posts
On helis I use double sided foam tape, about 2mm thick.
I've seen a few installs using foam tape, aluminium plate, foam tape, gyro.

Avoid using too much - it may allow the gyro to twist around indepedantly of the aircraft! (small amounts of course, but it will affect the controls)
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Old Dec 19, 2012, 07:56 AM
Canadian Bacon
flypaper 2's Avatar
Kingston, Canada
Joined Jun 2004
12,550 Posts
I velcroed the gyro to the bottom of the fuse, with another velcro strap completely around the gyro. It doesn't move in any direction.

Gord.
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Old Dec 19, 2012, 08:07 AM
Chop it, cut it, bash it
quitcherbitchen's Avatar
United States, CA, La Caņada Flintridge
Joined Jul 2011
5,291 Posts
I built a box out of aircraft ply the same size as the gyro which is mounted to the airframe and velcro the gyro inside. No problems so far. one end is open so I can pull it out.
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Old Dec 19, 2012, 09:07 AM
Bruno, GOOD DOG
A Rdnek's Avatar
United States, IA, Grinnell
Joined Aug 2007
4,009 Posts
I use these pads. I cut them in pieces and use whatever I need.
http://www3.towerhobbies.com/cgi-bin...?&I=LXMYH2&P=7
They have worked great for me.
Rn
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Old Dec 19, 2012, 09:19 AM
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Bill0's Avatar
United States, CA, Oceanside
Joined Aug 2010
1,027 Posts
I use scotch indoor, outdoor mounting tape. It can be bought at Lowe's or Home Depot. It is very sticky and has a small amount of cushion to it too. I have the gyro mounted to a slow stick with just the mounting tape to the 10mm stick. No velcro or anything else, plus it's mounted upside down on the bottom of the stick.

It takes some effort to get it back off.

If your wondering why a slow stick, it's my test plane for everything.
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