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Squeaking brakes

 
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flyingj(at)mtaonline.net
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PostPosted: Fri Jun 09, 2006 4:50 pm    Post subject: Squeaking brakes Reply with quote

With all you guys in rocket ships, I'll probably get laughed of the list,
but here goes.

I have a Zenith CH801, it's maximum speed is around 100mph. I monitor this
list because I'm interested in adding an RV-3 to my "stable", either by
building from a kit, partially built kit, or possibly a flying plane.

Since there are so many RV builders, I thought I might ask here:

What can be done to quiet squealing brakes. My CH801 brakes squeal like the
dickens with anything more than light application. I have heard a
suggestion to put grease on the back side of the pads, between the pads and
the pucks, I plan to try that, but I'd like to hear suggestions from anyone
who has had to deal with this.

When I first taxied the plane, I made sure to season the brakes the same way
I used to season my cleveland brakes on production planes, but they have
squealed since they were new.

Thanks

Jim Frisby
Zenith CH801
N801ZA
Palmer, Alaska


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George McNutt



Joined: 09 Jan 2006
Posts: 30

PostPosted: Fri Jun 09, 2006 6:41 pm    Post subject: Squeaking brakes Reply with quote

Hi Jim

Do a search of the RV-list archives, there is probably a lot of relevant
info there. The way aluminum brake lines are formed and attached to the
wheel cylinder can create a vibration or chattering squeal. I had to
reduce the size of the flexible loop on my aluminum brake lines, somehow
a vibration would develop causing a fluttering or whipping in the large
brake line loop and causing a lot of high pitched brake noise and also
causing one brake line to fail at the wheel cylinder in about 12 hrs.

George in Langley B.C.
6A flying 7A finishing

Jim Frisby wrote:
Quote:


With all you guys in rocket ships, I'll probably get laughed of the list,
but here goes.

I have a Zenith CH801, it's maximum speed is around 100mph. I monitor this
list because I'm interested in adding an RV-3 to my "stable", either by
building from a kit, partially built kit, or possibly a flying plane.

Since there are so many RV builders, I thought I might ask here:

What can be done to quiet squealing brakes. My CH801 brakes squeal like the
dickens with anything more than light application. I have heard a
suggestion to put grease on the back side of the pads, between the pads and
the pucks, I plan to try that, but I'd like to hear suggestions from anyone
who has had to deal with this.

When I first taxied the plane, I made sure to season the brakes the same way
I used to season my cleveland brakes on production planes, but they have
squealed since they were new.

Thanks

Jim Frisby
Zenith CH801
N801ZA
Palmer, Alaska



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dan(at)rvproject.com
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PostPosted: Fri Jun 09, 2006 6:41 pm    Post subject: Squeaking brakes Reply with quote

Try cleaning and lubing the shafts that the caliper slides on, and make sure
the caliper slides on the axis of those shafts...that there isn't a twisting
load on it.

Just a WAG, hope it helps.

)_( Dan
RV-7 N714D (934 hours)
http://www.rvproject.com

---


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khedrick(at)frontiernet.n
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PostPosted: Fri Jun 09, 2006 7:51 pm    Post subject: Squeaking brakes Reply with quote

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