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Home✈️Aircraft🚁Helicoptere-BladeBlade 400 › 3D Blade 400: blade-tracking problem...
09-17-2009 09:55 PM  11 years ago
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ckombo

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Boston, MA USA

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3D Blade 400: blade-tracking problem...
I have changed my blades 4 times now including main shafts, feathering shafts, etc.

I am still getting slight blade tracking issues. Flies ok, but when the chopper is at eye-level, i can see one blade spinning higher than the other.

How do I fix this?
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09-18-2009 12:35 AM  11 years ago
Drkhorse0646

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Norfolk, Va - USA

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What all have you done? Did you try adjusting the links to correct for blade epitch?B400 500T ds3400G
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09-18-2009 01:36 AM  11 years ago
ckombo

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Boston, MA USA

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No how do I do that
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09-18-2009 01:42 AM  11 years ago
helidevil

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Brunswick, ME

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take the link off the blade grip, (the one comming from the swash plate) and fix the high blade. if your red one is higher, tighten it down a twist or however mant it takes
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09-18-2009 02:06 AM  11 years ago
hbk2owner

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indianapolis, Indiana

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i got a trick for you. get to diffrent collored dry erace makers and make each main blade in a diffrent collor on the end of the blades and get a scrap peace of paper and power up the heli a little bit and take the paper and move it tords the blades untill the blades start hitting the paper and you can see what collor is higher and then shut down the heli and then make any ajustments and do it until the tracking is right. hope this tip helps you.
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09-18-2009 06:31 PM  11 years ago
FunHeli1

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Montgomery, AL

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Make sure you your blades are balanced if you haven't already. it has been my experience with B400 main blades that they are usually out of balance especially if they are woodies. Another thing....do you have a pitch gauge? If so you could check the pitch at center stick to make sure that both blades are at or close to zero pitch. The key is to check both blades....If I remember right the blade tracking on the high side will have the higher pitch if they are different. Once you figure that out you can adjust the blade as needed. Remember when adjusting tracking it is always best to adjust only one blade...unless there are other pitch issues.

I hope this helps.
FunHeli1
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09-20-2009 04:54 PM  11 years ago
vortechZ230

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U.S.A.

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Rotor head dampers are probally worn out.....Blue skies, Light Winds!
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09-23-2009 05:01 PM  11 years ago
Mitchilito

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Morehead City, NC USA

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It is not uncommon to have a blade flying slightly higher on one side only. If the heli is smooth don't worry about it. If the blade is flying out on both sides fix it!
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09-23-2009 05:23 PM  11 years ago
ckombo

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Boston, MA USA

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Flies perfectly smooth!

Ill just put it on the back-burner for now then...
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