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Old Mar 20, 2010, 12:05 PM
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feefo's Avatar
Staffs, UK
Joined Apr 2009
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Servo reversing Y leads & Spektrum

I plan on using a servo reversing y lead in a full house sailplane due to using a Dx6i and not being able to reverse 1 of the flap servo's. I can't turn the servo around as this was a 2nd hand kit and the work has been done for the flaps. I presume there's no prob using this type of lead with Spektrum? I'll be using a seperate 6v rx pack.
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Old Mar 20, 2010, 01:11 PM
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ebill3's Avatar
United States, WA, Puyallup
Joined Oct 2004
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I have no personal experience, but see the Don't recommendation from Spektrum. Hopefully others may have direct knowledge.

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Old Mar 21, 2010, 05:54 PM
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feefo's Avatar
Staffs, UK
Joined Apr 2009
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Bummer....'Don't use a servo reversing y lead'.

Cheers for the link, saved me a few hundred there mate

Guess the TX I'd been spying to do a full house sailplane justice has just jumped the que. At least the Mrs won't notice that hanging in the garage.
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Old Mar 21, 2010, 06:20 PM
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Joined Aug 2008
673 Posts
This may not be the answer you're looking for, but here's one way to do it:

If you use digital servos you can use a servo programmer to reverse one.

I can also tell you what I did when I needed 2 elevator servos for a quarter scale and had a DX6i....I bought a DX7, which has that capability.
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Old Mar 21, 2010, 06:23 PM
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pmackenzie's Avatar
Toronto (Don Mills), Canada
Joined Dec 2002
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I can't see how a servo reverser would make any difference, Spektrum or not.

All it does is read in the servo signal and then send it out again in an altered form, not unlike a gyro. And gyros work fine.

But as an excuse to buy a better radio - it is as good a reason as any

Pat MacKenzie
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Old Mar 21, 2010, 06:30 PM
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Miami Mike's Avatar
Miami Lakes, Florida, USA
Joined Mar 2003
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Here's an Ebay vendor who claims his servo reverser will work with a Spektrum system. However, the same reverser is also sold by Tower Hobbies and they don't make that claim. Also, some of the guys in this thread say they've been using them in giant scale planes with no problems.

I suspect that Horizon Hobby isn't really sure about the question and are playing it safe. The only reason I can think of for it not working is if you're using higher voltage than the servo reverser can tolerate. Perhaps Horizon Hobby will eventually offer a reverser than they'll market as being "approved for Spektrum systems".
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Old Mar 21, 2010, 06:40 PM
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Staffs, UK
Joined Apr 2009
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Hmmm, not sure why you can't use them either really, I was going to use a 6v rx pack, so voltage drop off shouldn't be a concern, IF that could be a problem and it certainly shouldn't be interference.

I originally wanted the DX7 but get the impression it won't do what I'm after. Posted on this before and got loads of good (but expensive) advice. Now looking at a 9ch.
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