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130X Blade 130X Helicopters Information and Help

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Old 10-12-2017, 10:05 AM   #1 (permalink)
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Join Date: Dec 2016
Location: NY
Default EASY FIX - Get rid of head slop from main shaft

After using the optional metal bevel gears for the 130X, I have noticed that they leave a significant amount of slop in the main shaft. I found that Lynx had made shims to solve the problem however they have been discontinued. I found a very simple and effective way to eliminate the slop when using the metal bevel gear and it costs nothing to do.

The stock main shaft has a notch cut out of it on the bottom similar to the MCPX BL and other micro hell's. If you elongate the notch you can then slide the main gear up just enough to eliminate the gap. I used a grinder to make the initial "cut" and then some fine sandpaper to smooth it down to the stock profile. It worked like a charm and the 130X flies great after this simple fix. Again, this slop is mainly observed when using the optional metal bevel gear. I found that the gap was not as noticeable when using the stock plastic bevel gear but was still present. This method solves the issue for both gear types.

Here are some photos with a stock shaft compared to the one I altered:

Last edited by Chris1683; 10-12-2017 at 01:55 PM..
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Old 10-12-2017, 09:33 PM   #2 (permalink)
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Join Date: May 2013
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Watch moving the mainshaft down too much, this puts more downward pressure on the ''B'' gear.

This in turn can cause the bearing behind the ''B'' gear to deform the plastic in the frame behind the left servo.
I had a frame so bad that the torque shaft shifted and jammed the ''A'' and ''B'' gears enough that the shaft would lock up.

Many helis from the 70s to 2000s.
Align,Blade,GMP,Hirobo,Kyosho,Schluter.Flybars cool,FBL too. Currently flying the little ones.
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Old 10-12-2017, 09:40 PM   #3 (permalink)
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Join Date: Dec 2016
Location: NY

I will watch out for that but the mesh now seems to be spot on with the adjustment. Before the modification the shaft would have so much wiggle room that the A gear would almost float above the B gear barely touching. I could tell it was bad because when it would fly you could hear a harsh metal on metal sound. After the adjustment it's smooth as butter and sounds good.
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