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Jetcat turbines/9303 2.4 Document

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Old 09-18-2007 | 03:57 PM
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Default Jetcat turbines/9303 2.4 Document

I have created a word document for setting fail safe and performing ECU alignmet on the new 9303 2.4 Ghz radios when setting up your Jetcat turbine. Anyone interested can send me an e-mail and I will forward it to you. It makes a good reference sheet so you don't have to refresh yourself every time you need to bind your radio.

Gary
Old 09-18-2007 | 04:23 PM
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Default RE: Jetcat turbines/9303 2.4 Document

If you email me, I can post it public here so anyone can just download it

[email protected]
Old 09-18-2007 | 04:32 PM
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Default RE: Jetcat turbines/9303 2.4 Document

Sean has just posted the document below. Please use the attachment he has provided...Gary
Old 09-18-2007 | 04:45 PM
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Default RE: Jetcat turbines/9303 2.4 Document

http://www.my87.com/rcu/9303fs.doc
Old 09-20-2007 | 12:25 AM
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Default RE: Jetcat turbines/9303 2.4 Document

Does this apply to both the AR7000 and AR9000 Receivers with the JR Module system as well as the DX7 Transmitter? Or is there a mix and match setup to which this only applies?

Thanks - Galen
Old 09-20-2007 | 06:10 AM
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Default RE: Jetcat turbines/9303 2.4 Document

I believe that the only difference is in the removal of the bind plug before binding. With the DX-7 you leave the bind plug in place while binding. Gary
Old 09-20-2007 | 11:58 AM
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Default RE: Jetcat turbines/9303 2.4 Document

Another point that might matter to some, is that there are two failsafe approaches available, or at least on the AR9000. As described in the document all servos go to a preprogrammed fail safe position. In the other mode, which is achieved by leaving the bind plug in while going through the bind process, the throttle goes to a preprogrammed fail safe position, and the remaining channels hold last position. In both cases when the system is powered up all servos, except the throttle which is left powered off, are set to the position that the controls where at when the system went through bind, until the system links up with the transmitter. This means if you go to all channels to fail safe you must choose gear down and make sure that nothing else bad will happen, since you will always power up in failsafe condition.

Steven
Old 09-20-2007 | 12:21 PM
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Default RE: Jetcat turbines/9303 2.4 Document

This means if you go to all channels to fail safe you must choose gear down and make sure that nothing else bad will happen
This is the main reason the steps I wrote say to place the flaps in the takeoff position. They will be driven to that position when powered up which is safe since this is sort of neutral position. I have found that binding them in up position may cause the servos to severely bind momentarily if they are driven in the wrong direction when powered up...Gary
Old 09-20-2007 | 12:38 PM
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Default RE: Jetcat turbines/9303 2.4 Document


ORIGINAL: Gary Jefferson

This means if you go to all channels to fail safe you must choose gear down and make sure that nothing else bad will happen
This is the main reason the steps I wrote say to place the flaps in the takeoff position. They will be driven to that position when powered up which is safe since this is sort of neutral position. I have found that binding them in up position may cause the servos to severely bind momentarily if they are driven in the wrong direction when powered up...Gary
It would probably be a good idea to include the other fail safe mode in you document. Spektrum refers to them as, if I remember correctly, fail safe and fail smart, or something like that.
Old 09-20-2007 | 03:25 PM
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Default RE: Jetcat turbines/9303 2.4 Document

Steve, I believe that they are referred to as smart safe and pre-set fail safe. I didn't want to confuse anyone and my personal preference was for the pre-set fail safe which I believe is more like the conventional PCM fail-safe settings. Someone can correct me if I am wrong...Gary
Old 09-20-2007 | 03:33 PM
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Default RE: Jetcat turbines/9303 2.4 Document

Hey Steven,

Is that a BVM F-100 I see under your name??!?!!!??!?! Please tell me it is done brother!!!!

If it is, which I am guessing it is, let us see a picture or two. I know there are a few here that don't understand the true definition of craftsmanship, but I for one have been waiting to see your Hun done for about the betetr part of 5 years. And we all know great things come to those who wait!!!
Old 09-20-2007 | 06:25 PM
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Default RE: Jetcat turbines/9303 2.4 Document


ORIGINAL: John Redman

Hey Steven,

Is that a BVM F-100 I see under your name??!?!!!??!?! Please tell me it is done brother!!!!

If it is, which I am guessing it is, let us see a picture or two. I know there are a few here that don't understand the true definition of craftsmanship, but I for one have been waiting to see your Hun done for about the betetr part of 5 years. And we all know great things come to those who wait!!!
Hi John,

its been flying for a year now. Just figured out today during lunch how to format a photo correctly to fit the avatar. Glad you don't want more than two, because the system hangs up if I try three.

Hope to see you later.

Steven
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Old 03-19-2008 | 07:11 PM
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Default RE: Jetcat turbines/9303 2.4 Document


ORIGINAL: S_Ellzey

Another point that might matter to some, is that there are two failsafe approaches available, or at least on the AR9000. As described in the document all servos go to a preprogrammed fail safe position. In the other mode, which is achieved by leaving the bind plug in while going through the bind process, the throttle goes to a preprogrammed fail safe position, and the remaining channels hold last position. In both cases when the system is powered up all servos, except the throttle which is left powered off, are set to the position that the controls where at when the system went through bind, until the system links up with the transmitter. This means if you go to all channels to fail safe you must choose gear down and make sure that nothing else bad will happen, since you will always power up in failsafe condition.

Steven

Hi guys,

I just helped a customer ("new to turbines" guy but otherwise a very knowledgeable RC guy) and he could ONLY get failsafe to work using this "throttle preprogrammed failsafe" mode. This was using a module in an xp9303. Anyone know why the other method would not work?

Thanks in advance,
Old 03-19-2008 | 09:33 PM
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Default RE: Jetcat turbines/9303 2.4 Document

Matt, I think you might be referring to the two different methods of fail safe, not sure. In one method you remove the bind plug as in the method I described above and the other method I believe you just leave the bind plug in place and finish the programming . This is covered in the cd-rom manual that you get with the integrated 9303 but maybe not with the module add-on unit. There is likely a manual on Horizon's web site that you can access...Gary

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