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Daryoon's blog
Archive for January, 2012
Posted by Daryoon | Jan 27, 2012 @ 11:54 AM | 16,166 Views
It's unfortunate that the mCX is the heli Great Wall chose to get their "design inspiration" from. Because of this, some technology advancements didn't make it over to the 9958 or 9998.

As we already mention, the Swashplate only has one ball position. The newer mCX2, mSR and Solo Pro has two ball position. A long one and a short one that you can switch between to modify the response of the heli would have been very helpful.

Another factor that I haven't seen mention yet is the body grommet. The 9958 chose to go with the rubber o-rings to mount the body onto the frame. It uses a total of 8 of these rubber o-rings to secure the body to the frame.

Newer helis have rubber grommets that is fixed into the body itself. I like this style better because the o-ring were really easy to lose during crashes. And during repair, they are easy to misplace.

So if you are ordering your heli from a place that happens to carry Nine Eagle parts, consider picking up a set of their body grommets.
  • Once you have the Nine Eagles body grommets, use a 3/32" drill bit to enlarge the holes on the 9958 body. I like to use very light pressure to allow the drill bit to actually do the work. Pushing too hard will raise the plastic instead of cutting. A even better tool would be a body reamer. Make sure to clean up the hole with a xacto knife.
  • With the holes on the 9958 body enlarged, fit in one of the Nine Eagle's rubber grommet. (I do this easily with a fine pair of tweezers.
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