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Reload this Page Why 7-channel for a TRex 550, 600, or 700?


Newbies: Tips and Information Section of HF, specifically for Passing along info to newcomers to the hobby. Setup, tweaking, orientation practice, etc.


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Old 06-16-2011, 09:55 PM   #1 (permalink)
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Default Why 7-channel for a TRex 550, 600, or 700?
I currently have a TRex 450 Pro with a Spektrum DX6i and in the near future am looking to pick up a 550E or a 600E. Can I run the 550E or 600E with my 6-channel Tx? Do I need to buy a 7-channel Tx if I upgrade? If so, why do I need the extra channel? Thanks guys!
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Old 06-17-2011, 12:41 AM   #2 (permalink)
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550E will be fine with the DX6i. You don't need 7 channels
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Old 06-17-2011, 08:44 AM   #3 (permalink)
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The 7th channel would be in case you have an engine with a governor fitted and you want remote access to that. For those electrics, you need only 6.
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Old 01-05-2013, 12:52 PM   #4 (permalink)
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But now, it seems that with the new T-Rex 550E DFC we need a 7-channel transmitter and a 7-channel receiver.
This is what is written in the spec on align web site:

http://www.align.com.tw/shop/product...oducts_id=4550

I don't know why this 7th channel is used to (governor ? but ESC seems to have only one connector for receiver...)
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Old 01-05-2013, 07:57 PM   #5 (permalink)
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https://www.helifreak.com/showthread...light=channels
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Old 01-07-2013, 05:03 PM   #6 (permalink)
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Thank you Larry227,

It is clear for me now.
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