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01-17-2009 10:50 PM  9 years agoPost 1
dhoffack

rrApprentice

lanham, md, MHA member

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I am in the process of building my rave. I just finished the tail, but when the tail pitch slider gets more than half way to the tailblade grips, it starts to get stiff, and its not smooth like the first 1/2 of the movement.

Any suggestions or help would be great. I want to get my tail silky smooth the whole lenght of movement.

Thanks,

Dan

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01-17-2009 11:10 PM  9 years agoPost 2
FlaG8r

rrElite Veteran

Florida

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real fine sand paper for a second and some 3:1 oil...

Life is tough, it's tougher if you're stupid

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01-17-2009 11:57 PM  9 years agoPost 3
RPM 1.5

rrKey Veteran

Cape May New Jersey

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Tail
Also double check links make sure they are really smoooth on balls to tight might be problem also but did asflag8r77 said
Ray

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01-18-2009 12:36 AM  9 years agoPost 4
dhoffack

rrApprentice

lanham, md, MHA member

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I sized the links and sanded the tail shaft, still sticky but better. I think I need to get some finer sandpaper.

My beam tail stock, without any work was super smooth.

Will the tail wear in with flight?

Thanks,

Dan

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01-18-2009 02:32 AM  9 years agoPost 5
Buzzin Brian

rrProfessor

College Station, Texas

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Guys it is usually not the shaft. If the slider moves on the shaft smooth without the pitch fork enguaged that shaft is not the issue. It is likely that the pitch fork is just ever so slightly off of 90 dgrees to the pitch slider ring. Because the tollerance is so tight if it is off just slightly this will be the case. All you have to do is slightly "tweek" (Very lightly twist) the pitch slider fork and re-enguage it with the ring. If it gets worse you went the worng direction. It should only take the slightest amount. Sanding the shaft without that being the issue will just make the shaft sloppy, and likely sticky. If this is not clear feel free to call the office on Monday and I will do my best to help anyone.

Brian

Build it, fly it, crash it. Repeat as often as needed.

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01-18-2009 03:37 AM  9 years agoPost 6
dhoffack

rrApprentice

lanham, md, MHA member

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Thanks brian,

That works perfect. The tail is now very smooth, just like the head.

Thanks again. I would not have figured that out!!! So simply and it made the biggest difference.

Thanks,

Dan

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01-18-2009 03:45 AM  9 years agoPost 7
Sky Dancer

rrVeteran

Bryan, Texas

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I totally agree with Brian, after all he's the man!

First check to see if the slider slides smoothly on the shaft without the tail control arm connected. I've not yet seen one tight as long as the shaft was clean and lightly oiled.

Then, the way I tweaked the assembly was to loosten the two bolts that hold on the control arm mount (looks like a T) and the two bolts that hold on the tail control arm to see if it gets smoother (it probably will). Now just tighten them gently and check again. As you tighten them more if it gets tighter tweak them like Brian mentioned (twist a little one way) check again, then do the same the other way. You'll probably see an improvement as you tweak it this way.

Don C

Keep up your rotor speed !

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