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Helicopter
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Align
Other › Vibration
11-21-2006 06:33 AM  11 years agoPost 1
devin120

rrVeteran

Canada

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I was just doign blade tracking and i get a good shake/vibration from the whole heli. What could be causing this. Im using stock rotor hub and everything else cnc. I mean could it be the plastic hub be outta wak or what steps should i do to chek balance.. Theres a fair amoutn of play comin from the spindle shaft.. using the stock align black ones. Just two in there..

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11-21-2006 11:55 AM  11 years agoPost 2
chopper37

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NJ and Long Island

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Vibration
Try Changing the head dampners, I had stock black ones in my 600 and when the weather turned cold there was to much play and had same vibration, I put the white ones in and have had no problems since.

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11-21-2006 06:36 PM  11 years agoPost 3
devin120

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Canada

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ok
Ok thanks ill try puttin g in three black ones. this is a trex se/xl hybrid. I took an se and put on a plastic blade grips and hub. Is it recommended to do the hold the heli in your hand spool up chek for vibes if their is add tape to a blade repeat thing? if so whats the method? Trial and error to see what blade is light.

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11-21-2006 06:38 PM  11 years agoPost 4
caseyjholmes

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Portland, Oregon

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You got it!
Please be very careful while doing so though. It is best to have a buddy help you out. Hold the heli sideways, and away from your face with a tight grip and if possible, use a padded glove too.

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11-21-2006 07:12 PM  11 years agoPost 5
devin120

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Canada

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.
Theres no good way to know what blade to add tape to? Where in the blade rdo you add tape.. or do you add it to the bladed grip.. do you do it witht he blades off first.. get it balanced. then witht he blades on. get it balanced?

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11-21-2006 07:47 PM  11 years agoPost 6
caseyjholmes

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Portland, Oregon

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Get the whole heli vibe free with no blades on first by balancing the flybar paddles and tail blades using tape with some trial and error (feel if the vibe gets worse or better)

Don't go over half throttle with no blades on. Add a drop of glue to the flybar when you put the paddles on, so you can be sure they won't fly off and smack you one.

Add the tape along the length of the blade. Start from the tip and work your way in. Do it on the bottom on the blade to keep the top of the blades clean looking. If you add tape to one blade, and the vibrations start to go away, add more till totally gone. IF the vibe gets worse, pull the tape off that blade, and apply new tape to the opposite blade.

You should be able to really fine tune the balance using strips of tape.
Start with a 4" piece and see which blade to put it on to help reduce the vibe. Keep adding more (or removing tape) to fine tune it from there.

Shouldn't take you more than 10 minutes to complete the whole "balance proceadure" And it definatley improves how the heli flies, as well as how the gyro operates.

OTherwise, you will need a balancing system to know exactly which blade it is. You can mark the blade grip with a star to know which blade will take the tape in the future too. Once you are used to doing this, you can do it in 5 minutes flat after a rebuild.

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Helicopter
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Align
Other › Vibration
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