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T-REX 450 › Head dampers
02-06-2008 01:38 PM  10 years agoPost 1
vsnyder8

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Ft Wayne, IN

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I read about some of you guys, putting different dampers on your heli's, and some talk about replacing the dampers occasionally. Where do you get these, do you buy rotor head kits and take the dampers out or is there someplace you can buy just dampers?

I am just an occasional flyer, but I try to follow the threads here to solve my own problems, some of you guys are so far ahead of me, I can't follow all you talk about, but it seems that keeping everything tight, clean and moving smooth is the basics I can work with, just sometimes need to figure what parts will do this best.

I am flying a 450xl with metal head, switched back to plastic blade grips, when I could not get tracking straightened out. seems to be tracking good now.

Thanks
Van

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02-06-2008 02:34 PM  10 years agoPost 2
helimatt

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Lafayette, IN

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I am currently using the stock O ring dampers, with a small slice of fuel tubing (from nitro models) on the shaft between the two o-rings. This helps it squish tightly together and stiffens the head damping and is very cheap. there are after market dampers available for very stiff head, which is desirable for heavy 3D flying.

The stock setup is a little soft, and makes some manuevers difficult to fly precisely- like tic-tocs for example, the get very wobbly with soft head damping.

You can get replacement O rings very cheaply, here is a suppier I often use:

http://grandrc.com/inc/sdetail/79155

If you don't have fuel tubing you could use other plastic tubing, or buy some or beg some from a flying buddy- you only need a very little bit.

There are many other solutions to this. I tried three o-rings each side, didn't work very well. I tried heat shrink tubing on the feathering shaft, and sliding the stock O rings over that, it worked but was a little finicky to put together, and I found that the heat shrink tubing tended to shift around messing up the damping after several flights.

Never, ever, ever, ever give up.

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02-06-2008 03:23 PM  10 years agoPost 3
kingair

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Utah - USA

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1/4 X 1/8 Santoprene tubing from mcmaster carr works for me. Been using it for over a year and it last longer than any oring. You buy it by the foot for like .30 cents and a foot will be a lifetime supply even if you share. The same size tubing works for both the v1 and v2 450's, just a little tighter to install on the v2.

There is a very fine line between "hobby" and "mental illness."

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02-06-2008 04:13 PM  10 years agoPost 4
SSN Pru

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Taxachusetts

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1/4 X 1/8 Santoprene tubing from mcmaster carr works for me. Been using it for over a year and it last longer than any oring. You buy it by the foot for like .30 cents and a foot will be a lifetime supply even if you share. The same size tubing works for both the v1 and v2 450's, just a little tighter to install on the v2
Ditto on this one. Very successful. the best part is if you want a different dampener then just go buy a foot of 10 differnet kinds of rubber/plastic tubing to fine tune your response!

Stupidity can be cured. Ignorance is for life!

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02-06-2008 04:27 PM  10 years agoPost 5
DMehalko(DM)

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Colorado

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http://www.rchover.com wildman 3d dampeners ther awesome! Very crisp flying head and well designed

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02-06-2008 04:31 PM  10 years agoPost 6
SSN Pru

rrElite Veteran

Taxachusetts

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FYI, the wildman dampeners are machined santoprene

Trueblood dampeners, the red ones, are custom molded. Material unknown. Hardness value around 70ish though.

Stupidity can be cured. Ignorance is for life!

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02-06-2008 08:43 PM  10 years agoPost 7
vsnyder8

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Ft Wayne, IN

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Thanks guys, I like the tubing idea, cut enough to fit snug, cheap and easy to replace when necessary.

Thanks also for the site address to get cheap orings

Van

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