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450 Class Electric Helicopters 450 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 08-10-2008, 05:01 PM   #1
ziggymonster
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Default Trouble tracking plz help

I'm having trouble tracking my blades. Can't see the leading edge in flight, but can see the trailing edge. The mark I made on the blade is high on the trailing edge. Is that the same ajustment as if on the leading edge.
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Old 08-10-2008, 05:04 PM   #2
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I believe so, basically you need to lower the pitch of the high blade. Regardless if the mark is on the trailing edge or not. If I'm wrong, maybe someone else could help.
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Old 08-10-2008, 06:03 PM   #3
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Quote:
Originally Posted by Felt View Post
I believe so, basically you need to lower the pitch of the high blade. Regardless if the mark is on the trailing edge or not. If I'm wrong, maybe someone else could help.

Right. Doesn't matter where the mark is on the blade (although I and most people apply a stripe of tape that runs the full width of the cord, from leading to trailing edge, top and bottom). Simply reduce the pitch of the high blade or increase the pitch of the low blade.

For big adjustments (large tracking error), you can adjust the short link that runs from the blade grip to the mixing arm. For smaller adjustments, you can adjust the link that runs from the mixing arm to the inner swash ball. Just be sure you think about it first so you know whether you need to make the ling you are adjusting longer or shorter to achieve the desired pitch change.

Finless has a great vid on this in his tech room.

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Old 08-10-2008, 06:34 PM   #4
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The only thing I would add is that you need to check the pitch of your blades and mark the bladegrip on whichever one is closest to zero pitch at centre stick (if you are running a straight 0-25-50-75-100 pitch curve). From now on don't mess with that blade, do all adjustments on the other blade (increase or decrease pitch with the control arms).

Hope this helps.
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Old 08-10-2008, 06:56 PM   #5
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Good point!
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Old 08-10-2008, 08:03 PM   #6
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Also ensure your blades are balanced.
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Old 08-11-2008, 01:37 AM   #7
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Default Thanx fellow freaks

She's in the air again and as good as new. The bummer of it all was, Got to windy to hold a good steady hover long enough to sight alone. Usually have a fellow freak sight for me.
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