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Home✈️Aircraft🚁HelicopterBeginners Corner › Blade tracking changing???
04-30-2011 10:49 PM  10 years ago
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nathan9493

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Port Orchard,WA

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Blade tracking changing???
I tracked my blades on my 450 pro the other day before I went flying. While in the air I noticed that they weren't tracking quit right. On the bench under load they track fairly well accept at a certain throttle point (about mid stick). I was wondering if it has anything to do with the fact that I'm using non-digital servos, so maybe the movement range isn't precise enough to keep them tracking right at mid stick? What do you think????
My heli's a submarine hybred. (I live in Washington)
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04-30-2011 10:54 PM  10 years ago
Wingman77

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Pulaski Tennessee

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servos will not effect tracking, loose links on the head or a bent spindle will produce variable tracking... also if you have cheap blades they will be hard to get tracking right.
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05-01-2011 12:37 AM  10 years ago
RCHSF

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NC

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I've never tracked any blades. Long as nothing is warped, or bent, then if the links are the exact same length then no tracking should be required. If your blades are true, and everything else is right But if one blade rides higher than the other, then something is mechanically off big time.
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05-01-2011 12:50 AM  10 years ago
nathan9493

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Port Orchard,WA

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Truth be told...They are cheap blades and the loss of tracking is only slight at its worst. Maybe I'm worried over nothingMy heli's a submarine hybred. (I live in Washington)
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05-01-2011 01:51 AM  10 years ago
mrford

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elmwood park nj usa

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blade tracking changing
Hi Nathan I had this problem on a 450 se the feathering shaft was bent the way to check this is to remove one blade put your hex driver in the bolt and turn it in a tightening direction you will be turning the feathering shaft watch the end of the remaining blade if it moves in a small circular motion it bent if not replace the blade and remove the other trine the shaft again watch the blade if this one moves the shaft is bent make shire the blades are snug in the grips and check maine shaft spool up and down wash for true run blade balance will make a difference good carbon fiber blades aren't very expensive atlas not when conspired to 700 blades .Hope this helps happy flying
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05-01-2011 02:29 AM  10 years ago
Funknrock

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San Marcos, CA

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if your dampers are worn it will also not track and lead to a bent spindle shaft.
replace both, should clear up...
My crashes are cooler than your flying! ;^)
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05-01-2011 03:11 AM  10 years ago
nathan9493

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Port Orchard,WA

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The heli only has 4 battery packs on it, so nothing is worn, HOWEVER, it is a clone, so it is entirely possibles that "QA" missed a bent spindle. I'll try some new blades and then go to spindle. Like I said previously, its not that bad, but I want to set it up right.My heli's a submarine hybred. (I live in Washington)
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05-01-2011 03:15 AM  10 years ago
steve 01

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Grand Rapids MI

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Check the upper mixing arm balls to make sure they are tight, if this was a prebuilt kit they dont use locktight
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05-01-2011 12:29 PM  10 years ago
mrford

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elmwood park nj usa

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blade tracking
check every thing you can a friend got an h k clone and spent an entire day at the hobby shop with an expereanst heli repair prison and spent mow than a new t rex 500 to make it fly then the hobby guy got a gowey 500 size heli for 80 $ put some electronics he had laying around and it flew ok we teased this guy it was the 6 million dollar h k 500 clones are tuff some are ok some are oats thats bin through the horse its well worth the money to get a real t rex combo its a good deal
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05-01-2011 05:07 PM  10 years ago
nathan9493

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Port Orchard,WA

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When I first got it I went thru everything with lock tight. As for getting a real Trex, I would love too, but my unemployment checks say otherwise. So to say I'm on a tight budget is an understatement.My heli's a submarine hybred. (I live in Washington)
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05-01-2011 07:56 PM  10 years ago
JOLT

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Baltimore, MD

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The key here is too make sure that the ball links are properly sized. The most valuable tools in my box are ball link plyers and a ball link resizing tool. Like soldering, there is an art to this that has to be learned to have a smooth and stable flying heli.

You can get a completely different feel from the same heli if the ball links are not free and adjusted properly. Take some time, if you haven't, and spend the $20 on the correct tools for your bird. Then have a go at getting the links free of any binding. Also, when using loc tite on the ball threads, the littlest bit remaining on the outside of the ball after screwing them in snug, will end up working its way into the ball link when you spool up. A small amount of loc tite inside the ball link acts like a glue, and softens the plastic of the link, creating the worst possible binding. I always remove all links after a few test flights, and clean the balls and links with an alcohol dipped Q-tip to make sure they are nice and clean. Then go back to the resizer, if necessary, after that.

Tight ball links and binding will always cause tracking issues and you well never get that "Hands off hover" if they are not silky smooth.

Check those balls
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05-06-2011 02:41 PM  10 years ago
Band1086

rrElite Veteran

Kennewick, Wa. USA

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One of the most subtle and often over looked blade tracking problems is bad main grip thrust bearings. They used to go out on my raptors fairly often which would cause the blades to go out of track for what seemed like no reason. But Krause said metal blade grips are harder on thrust bearing than plastic ones, which I have found to be true.
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05-07-2011 03:06 AM  10 years ago
ThumbBumper

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A little to the right and down!

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450 se the feathering shaft was bent the way to check this is to remove one blade put your hex driver in the bolt and turn it in a tightening direction
+1 ^^^^
If it ain't broke, go fly some more!
http://facebook.com/groups/TORCHS/
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05-11-2011 09:08 PM  10 years ago
nathan9493

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Port Orchard,WA

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450 se the feathering shaft was bent the way to check this is to remove one blade put your hex driver in the bolt and turn it in a tightening direction you will be turning the feathering shaft watch the end of the remaining blade if it moves in a small circular motion
Well,I did that and cant notice any movement...so at this point I'll assume its just cheap blades. Yea...something else to buy, woo hoo. I love ordering stuff!!!!
My heli's a submarine hybred. (I live in Washington)
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