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09-05-2006 01:27 AM  14 years ago
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Rick_H

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Boulder City, Nevada

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JR 9303 Buddy Box Bug
Hello

I believe I found two bugs today with the JR 9303. Here is the setup that presents the bugs.

Two JR 9303 TX's and Raptor 50.

First Bug, I copied the setting from the master to the slave then verified all the setting were copied correctly. When testing the configuration found the first BUG. I had to reverse the Aileron, Elevator, and pitch on the buddy box. You should not have to do this.

Second Bug, While testing I left the Master and Buddy box in normal flight mode and tested all the controls which worked fine. I then switched through all the flight modes on the Master while testing the Buddy box with each mode. Which worked fine. Then I switched the Buddy box to idle up one while the Master was also in idle up one which is when the Second Bug presented itself. The collective now moved with the V-Throttle curve. (No mixes setup for throttle or collective channels) When you raise the collective the swash moves up then at half stick the swash moves down. This happens in any of the idle up settings on the buddy box when ever the Master is in any of the idle up settings.

My primary concern is what would happen if the student on the buddy box accidentally hit the idle up switch while we were flying. Or someone who did not check to make sure all the controls worked correctly after copying the setting over.

Does anyone know if JR has a fix for these bugs?

Rick
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09-05-2006 01:54 AM  14 years ago
JKos

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Redondo Beach, CA

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Which trainer mode did you have the master box in?

- John
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09-05-2006 02:11 AM  14 years ago
Blademan7065

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Greenfield, Ma.

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When using the 9303 in a BB mode you dont have to have the slave set up with the PRGM from the master. You put the slave in acro mode, plug the two of them together, set the master/slave portion of the BB function in each TX and you are done.

The slave TX will use the masters prgm for its flight, the only thing that the slave is being used for is the stick inputs. Keep in mind though that the thr hold and idle switch will only work on the master TX not the slave.

That is how I did it with Todd Bennett durring a Freestyle 3D school.

Good luck
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09-05-2006 02:13 AM  14 years ago
JKos

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Redondo Beach, CA

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Blademan,
That's exactly what I was thinking!

Rick,
Try it as Blademan says and I bet it will work just fine for you.

- John
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09-05-2006 02:43 AM  14 years ago
playfair

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Rochester, NY

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Ditto to NOT putting the buddy box in slave mode!
What happens if you do and don't check for reversed servos? Up to $250 in damage without even leaving the ground:
http://www.runryder.com/fastphoto/2...0_2296-9395.jpg
And that was with CY running the master! We were having intermittent BB communication problems, and right before takeoff put the BB in "slave" mode to see if it would help. As stated above, in this mode it will use it's own programming, which is likely different than what the master has in mind!

The sky is our canvas
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09-05-2006 02:56 AM  14 years ago
Rick_H

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Boulder City, Nevada

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Ok, I will give that a try and see what happens. But it should work the way I set it up also. Isn't that the point of buddy boxing the 9303's and transfering the programs?

Ultimetly I would like to setup the buddy box with dual rates and expo setup for a new pilot and leave the master setup with full rates so I am better able to recover. Today my 9 yr. old son was trying forward flight and ended up doing a front flip. Thus one of the reasons I bought a second JR 9303.

Thanks
Rick
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09-05-2006 03:13 AM  14 years ago
Blademan7065

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Greenfield, Ma.

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You can do it either way. The way that I explained earlier is very simple and can be done with any JR to JR TX. They dont both have to be a 9303. With the training school that I offer it has been the easiest way to work with JR. The same goes for Futaba, but somtimes there are a few little "things" that have to be done.

I have heard of using two different rates on the master and slave TX but have not tried it yet. Dont quite know what I think about it yet. Somthing to try with one of my students.

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09-05-2006 03:52 AM  14 years ago
JKos

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Redondo Beach, CA

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Rick,
The easy method with having the slave in Acro mode can still have dual rates on the aileron, elevator, and/or rudder of the slave.

- John
RR rules!
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09-05-2006 04:38 AM  14 years ago
Rick_H

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Boulder City, Nevada

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Thanks for the info, I will try the Acro mode with the duel rates.

Thanks All
Rick
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