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Blade 400 › 3D head damper O-rings
01-15-2009 08:14 PM  9 years agoPost 1
jason46

rrVeteran

MI

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My heli shreds them, I was thinking about using a teflon/nylon washer to protect the O-ring from the metal shims. I also use a healthy amount of silicone grease on the O-ring. Any other solutions?

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01-15-2009 09:54 PM  9 years agoPost 2
30636086

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Tacoma, WA

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How come your bird is "shreding" them? Or how long are they are lasting?

I dont suffer from mental iIlness, I actually enjoy mine!

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01-16-2009 01:03 AM  9 years agoPost 3
jason46

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MI

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I dont know why it is shredding them. I would say they last about 5 flights before the grips seem to have excessive freeplay.

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01-16-2009 02:35 AM  9 years agoPost 4
eclipso

rrApprentice

Tucson,Az.

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How many shims do you have on each side of the spindle ? mine came with 4 on each side plus the washer and on the blade side of the grip it had the thrust bearing and washer plus the little washer for the spindle screw. the shims shouldn't do anything to the dampers with the lube you have but it may be the lube the makes it to loose try it dry and check your grip bearings or replace them. How long have you had the bird ? is this recent or has it done this out of the box ?

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01-16-2009 08:32 AM  9 years agoPost 5
30636086

rrKey Veteran

Tacoma, WA

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Ok here is a question. Is that something that the heli do since new or after a repair?

I dont suffer from mental iIlness, I actually enjoy mine!

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01-16-2009 08:57 AM  9 years agoPost 6
30636086

rrKey Veteran

Tacoma, WA

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the reason Im asking its because it can be caused by a few different factors or a combination of more than one.

I dont suffer from mental iIlness, I actually enjoy mine!

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01-16-2009 09:00 AM  9 years agoPost 7
30636086

rrKey Veteran

Tacoma, WA

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another thing that I just remembered its that a few months back a guy posted here that he was using "o" rings from home depot because they were studier and wayyy cheaper than the original part.

I dont suffer from mental iIlness, I actually enjoy mine!

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01-16-2009 02:42 PM  9 years agoPost 8
bryfly53

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Battle Ground, Indiana

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Be sure that the side of the step washer with the "step" on it is not against the O-ring.

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01-17-2009 02:17 AM  9 years agoPost 9
jason46

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MI

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It has 4 shims on each side with the shoulder washer against the bearing. I'm going to try some light oil instead of silicone grease next time I fly. The feathering bar ahs been replaced, I wonder if maybe the head-block is stretched out some, maybe.

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01-17-2009 03:03 AM  9 years agoPost 10
StevenT

rrVeteran

Dallas, GA USA

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4 shims is too tight for mine. With 4 the I can feel the thrust bearings when I rotate the blade grips. With only 3 shims, everything feels like butter.

Steven

Shhh, don't tell the wife.

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01-18-2009 06:33 AM  9 years agoPost 11
30636086

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Tacoma, WA

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feathering bar ahs been replaced, I wonder if maybe the head-block is stretched out some, maybe.
That's why I asked you, Make sure that you put everything back in the same order, that can be your problem. The head block will take some serious abuse before it will go bad. Look for cracks on it, if not double check that you put the washers and shims in the proper way.(I did it before)
Another trick that will help you change the feathering shaft is keep a flybar (or half of an old one(straight) the fly bar will tread into the feathering shaft. Push it tru, once at it went tru, remove the bent feathering shaft and tread a new one.
Make sure you put the lil screw and washer at the other end of it , (that will stop it once in place)

Pull the fly bar back and that will pull your new feathering shaft in place. When you replacing a bent fly bar you can do the same by pushing the old one tru with the new one.

By doing these you don't have to take it all apart plus you can replace then in no time.

I dont suffer from mental iIlness, I actually enjoy mine!

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01-18-2009 03:37 PM  9 years agoPost 12
neilg.

rrVeteran

north of borston

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do you think that little aluminum bullet that goes inside of the head block is an overlooked item with play in the feathering shaft?

In Nomeni Patri Et Fili Spiritus Sancti

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01-18-2009 07:20 PM  9 years agoPost 13
30636086

rrKey Veteran

Tacoma, WA

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do you think that little aluminum bullet that goes inside of the head block is an overlooked item with play in the feathering shaft?
Are you talking about the spindle bushing?

I dont suffer from mental iIlness, I actually enjoy mine!

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01-18-2009 09:10 PM  9 years agoPost 14
neilg.

rrVeteran

north of borston

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yes. i did not what they called it.

In Nomeni Patri Et Fili Spiritus Sancti

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01-19-2009 01:31 AM  9 years agoPost 15
30636086

rrKey Veteran

Tacoma, WA

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I think that will have to be REALLY bad to cause it, ans If that would it be that bad the rest of components and parts woulda be really out of shape that the heli will vibrate really hard. In my Opinion

I dont suffer from mental iIlness, I actually enjoy mine!

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01-19-2009 02:35 AM  9 years agoPost 16
freakyreef

rrKey Veteran

Kansas\Colorado border

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I have been using small pieces of fuel tubing. Mine was tearing them up pretty quick, but since haven't

Walk on water long enough, eventually you will get your feet wet.

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01-19-2009 06:52 AM  9 years agoPost 17
cyclism511

rrNovice

Folsom, Ca., USA

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O-Ring
I for one noticed the o-rings burning out as well, so I adopted the Home depot idea. Lets just say I am surprised how well they hold up in comparison to the stock o-rings.

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01-19-2009 04:17 PM  9 years agoPost 18
dave75d

rrKey Veteran

Jacksonville, FL

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listen to freakyreef. fuel tubing cut into 3/16" pieces will hold up much better than anything else you will find. and, its only $1 a foot.

ten grand in helis and all i can do is hover

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01-19-2009 05:11 PM  9 years agoPost 19
HeliFisher

rrVeteran

Verdi , Nevadafornia

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+1 fuel tubing!

The less a man makes a clarative statement, the less likely he is to look like a fool in retrospect.

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01-20-2009 01:46 AM  9 years agoPost 20
cyclism511

rrNovice

Folsom, Ca., USA

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O-ring or Fuel tubing debate?
I am going to try the fuel tubing idea this week, but I am sure you are right. Yet, Before I start I have one question about the fuel tubing type. The most common is prather red and blue, so which one do I use, red or blue?

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