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X3 Discussion and support for the Gaui X3


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Old 04-20-2018, 03:21 AM   #1 (permalink)
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Default Steel pinion - improved performance

Hi,
I have had my X3L for just over a year and I have always been disappointed with it. I am running it as a 360.

However, I recently added the upgraded blade grip bearings, the main shaft collar and more recently installed a steel pinion. Now it runs smooth and fast and flies like I expect a stretched 450 to fly.

In my opinion aluminium pinions are a joke and only last 20-30 flights. The ceramic coated pinion lasted longer put is clearly inferior to the steel pinion.

I wish the kit came with a steel pinion which might have saved me a year of poor performance and continually thinking I should give up and get another heli.

So if you are still using aluminium pinions I recommend replacing them with steel and you might be surprised at the increase in performance.
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Old 04-21-2018, 08:09 PM   #2 (permalink)
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Over 100 flights on my x3l with the coated pinion, has ran fine with zero issues. Is it possible your new pinion has a different tooth count?
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Old 04-24-2018, 06:58 AM   #3 (permalink)
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Quote:
Originally Posted by thebirdman View Post
Over 100 flights on my x3l with the coated pinion, has ran fine with zero issues. Is it possible your new pinion has a different tooth count?
Hi,
Both opinions are the same. The coated pinion was still "serviceable". However, since moving to the steel pinion the heli is quieter, smoother and has more punch. Hard to quantify. It's a feel thing for me. My two proceeding helis, KDS Chase 360 and JR Forza 360, had more of whatever it is and the X3L has been lacking until the recent changes I have made. I am glad that you have had success with the coated pinion but my experience has been bad compared to my earlier helis.
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Old 04-24-2018, 07:20 AM   #4 (permalink)
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IanWhitehead65

Ian, I recently discovered the blade grip bearing upgrade at Anything Heli and after installation was very happy with the improvement in the flying qualities. Really noticeable.

Also , the main shaft collar addition eliminates the need for the crazy fussy / impossible to install shims. Now, repairs and / or maintenance is no fuss, fast and easy. What a great heli!
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Old 04-25-2018, 08:11 PM   #5 (permalink)
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Quote:
Originally Posted by mgrezmer View Post
IanWhitehead65

Ian, I recently discovered the blade grip bearing upgrade at Anything Heli and after installation was very happy with the improvement in the flying qualities. Really noticeable.

Also , the main shaft collar addition eliminates the need for the crazy fussy / impossible to install shims. Now, repairs and / or maintenance is no fuss, fast and easy. What a great heli!
Hi,
Yep I totally agree. With the steel pinion, the main blade grip bearing upgrade and the main shaft collar my heli is flying like I expected it to when I first got it. I think they should be in the base kit.

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Old 04-26-2018, 06:37 AM   #6 (permalink)
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Regarding to the collar.
i just build a gold version and i noticed up and down play as well on the main gear.
Instead of using a collar i used a shim which i put between bottom bearing and one way.
no play and also not to tight.

regards,
Dennis
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Old 04-26-2018, 04:09 PM   #7 (permalink)
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Originally Posted by sprokkel View Post
Regarding to the collar.
i just build a gold version and i noticed up and down play as well on the main gear.
Instead of using a collar i used a shim which i put between bottom bearing and one way.
no play and also not to tight.

regards,
Dennis
I have done it this way but it is very fiddly. I had to take the bottom support off to get the shim in. Then on one time I put too many shims in and because the bottom bearing support is plastic I could not tell it was too tight. However, I found out on the next flight with vibes and gyro confusion. The collar is just so simple.

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