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NX4 Discussion and support of the Gaui NX4 Nitro Helicopter


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Old 03-06-2013, 08:29 PM   #1 (permalink)
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Default 20 T upgrade set

I see the 19 and 20 T upgrade set is now coming with another gear shaft, I bought this upgrade when they came out and it was without the gear shaft.
Why are they now supply this in the set, is it needed and is it a different size to the one in the kit?

Many thanks
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Old 03-07-2013, 05:21 AM   #2 (permalink)
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Hello,

I think this gearshaft is made to run the tail higher. With the stock configuration, I sometime hear the tail in its limit... I'm considering of longer tail blades (I'm running radix 72mm) or this gear shaft.
But with the 19 or 20 T upgrade, I think that the tail has to run faster !

Rms
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Old 03-07-2013, 11:05 AM   #3 (permalink)
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The replacement tail gear set actually reduces the tail RPM when you use the 19 or 20T pinion gears and 2900-3000 HS.
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Old 03-08-2013, 04:29 AM   #4 (permalink)
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So is it the 15-1 one then?
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Old 03-08-2013, 02:40 PM   #5 (permalink)
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Quote:
Originally Posted by flyboydave View Post
So is it the 15-1 one then?
Stock one is 14t, to lower tail rpm, use the 15T.

Stock 14T - 313044
Optional 15T - 313087
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Old 03-08-2013, 03:06 PM   #6 (permalink)
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Dave, my parts showed up today ! thanks man
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Old 03-08-2013, 06:09 PM   #7 (permalink)
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Dave, my parts showed up today ! thanks man
No problem, now get that thing in the air!
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