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Brake Mount Assembly - help requested!

 
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ichelva(at)netspace.net.a
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PostPosted: Thu Jun 01, 2006 7:02 am    Post subject: Brake Mount Assembly - help requested! Reply with quote

Has anyone else run into problems with their Brake Mount Assembly? This has been stumping me ( and others) for almost a week
I am referring to page 46-4, steps 5,6 and 7.
 
I fabricated the spacers to 21/32" width, as in the plans (see pic). However, when the brake mount assembly is mounted onto the gear leg, the head of the uppermost forward AN4 bolt (the one which is installed in a different direction to the others) impinges onto the gear leg, and prevents the U-1003 from lining up with the 3/8" hole in the gear leg (see pics). The hole seems to be off by approx 1/8". Both sides have the same problem
 
So I removed the offending bolt, and installed the wheel/tyre/brake disc assembly. There is approx 1/4" clearance between the brake disc and the U-1010-L/R bracket. This is barely enough, when the bracket is flexed from side to side.
 
 
I see the following options:
 
1) shorten spacers by 1/8" - but then risk the U-1010 bracket intermittently rubbing on the brake disc
 
2) Shave off some of the bolt head
 
3) Use a countersunk AN4 screw instead of a bolt.
 
4) dispense with wheel fairings altogether (and lose 5kts in cruise!)
 
 
I'd be grateful for the group's opinions and suggestions
 
Indran Chelvanayagam
Bunbury, Western Australia
#40228


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recapen(at)earthlink.net
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PostPosted: Thu Jun 01, 2006 9:46 am    Post subject: Brake Mount Assembly - help requested! Reply with quote

One of the pictures shows the bolt hole that goes through the gear leg - that bolt being in there would change the total spacing - I don't know if it would fix your error though.
 
I know that when I was doing my 6A I had a similar issue - after I put it all together it fit better and the spacers ended up being almost perfect.......
 
Something to check.....
 
Ralph
[quote]--


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jesse(at)itecusa.org
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PostPosted: Thu Jun 01, 2006 9:53 am    Post subject: Brake Mount Assembly - help requested! Reply with quote

We had this same problem on the left side, but not on the right.  I used option #2.
 
Do not archive.
 
Jesse Saint
I-TEC, Inc.
jesse(at)itecusa.org (jesse(at)itecusa.org)
www.itecusa.org
W: 352-465-4545
C: 352-427-0285


From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Indran Chelvanayagam
Sent: Thursday, June 01, 2006 11:01 AM
To: rv10-list(at)matronics.com
Subject: Brake Mount Assembly - help requested!

 
Has anyone else run into problems with their Brake Mount Assembly? This has been stumping me ( and others) for almost a week

I am referring to page 46-4, steps 5,6 and 7.

 

I fabricated the spacers to 21/32" width, as in the plans (see pic). However, when the brake mount assembly is mounted onto the gear leg, the head of the uppermost forward AN4 bolt (the one which is installed in a different direction to the others) impinges onto the gear leg, and prevents the U-1003 from lining up with the 3/8" hole in the gear leg (see pics). The hole seems to be off by approx 1/8". Both sides have the same problem

 

So I removed the offending bolt, and installed the wheel/tyre/brake disc assembly. There is approx 1/4" clearance between the brake disc and the U-1010-L/R bracket. This is barely enough, when the bracket is flexed from side to side.

 

 

I see the following options:

 

1) shorten spacers by 1/8" - but then risk the U-1010 bracket intermittently rubbing on the brake disc

 

2) Shave off some of the bolt head

 

3) Use a countersunk AN4 screw instead of a bolt.

 

4) dispense with wheel fairings altogether (and lose 5kts in cruise!)

 

 

I'd be grateful for the group's opinions and suggestions

 

Indran Chelvanayagam

Bunbury, Western Australia

#40228


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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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ichelva(at)netspace.net.a
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PostPosted: Thu Jun 01, 2006 3:30 pm    Post subject: Brake Mount Assembly - help requested! Reply with quote

That's my problem - the AN4 bolt in question prevents the bolt holes lining up, and prevents the AN6-23A bolt from going through the gear leg.

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Ralph E. Capen
Sent: Friday, 2 June 2006 1:43 AM
To: rv10-list(at)matronics.com
Subject: Re: Brake Mount Assembly - help requested!

--> RV10-List message posted by: "Ralph E. Capen"
One of the pictures shows the bolt hole that goes through the gear leg - that bolt being in there would change the total spacing - I don't know if it would fix your error though.
 
I know that when I was doing my 6A I had a similar issue - after I put it all together it fit better and the spacers ended up being almost perfect.......
 
Something to check.....
 
Ralph
[quote]-----Original Message-----
From: Indran Chelvanayagam
Sent: Jun 1, 2006 11:00 AM
To: rv10-list(at)matronics.com
Subject: RV10-List: Brake Mount Assembly - help requested!

Has anyone else run into problems with their Brake Mount Assembly? This has been stumping me ( and others) for almost a week
I am referring to page 46-4, steps 5,6 and 7.
 
I fabricated the spacers to 21/32" width, as in the plans (see pic). However, when the brake mount assembly is mounted onto the gear leg, the head of the uppermost forward AN4 bolt (the one which is installed in a different direction to the others) impinges onto the gear leg, and prevents the U-1003 from lining up with the 3/8" hole in the gear leg (see pics). The hole seems to be off by approx 1/8". Both sides have the same problem
 
So I removed the offending bolt, and installed the wheel/tyre/brake disc assembly. There is approx 1/4" clearance between the brake disc and the U-1010-L/R bracket. This is barely enough, when the bracket is flexed from side to side.
 
 
I see the following options:
 
1) shorten spacers by 1/8" - but then risk the U-1010 bracket intermittently rubbing on the brake disc
 
2) Shave off some of the bolt head
 
3) Use a countersunk AN4 screw instead of a bolt.
 
4) dispense with wheel fairings altogether (and lose 5kts in cruise!)
 
 
I'd be grateful for the group's opinions and suggestions
 
Indran Chelvanayagam
Bunbury, Western Australia
#40228
=========================to browse Archive Search ==================================================-Matt ====================================


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acs(at)acspropeller.com.a
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PostPosted: Thu Jun 01, 2006 5:17 pm    Post subject: Brake Mount Assembly - help requested! Reply with quote

Indran, I’d talk to Vans. They may have a dimension from the outside of the leg to the brake mount hole. This may be incorrectly drilled. Or the radius of the leg bend may be to far outboard, crowding the alignment hole. Just some thoughts.
John 40315
 
 
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Indran Chelvanayagam
Sent: Friday, 2 June 2006 9:30 AM
To: rv10-list(at)matronics.com
Subject: RE: Brake Mount Assembly - help requested!

 
That's my problem - the AN4 bolt in question prevents the bolt holes lining up, and prevents the AN6-23A bolt from going through the gear leg.
 

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Ralph E. Capen
Sent: Friday, 2 June 2006 1:43 AM
To: rv10-list(at)matronics.com
Subject: Re: Brake Mount Assembly - help requested!
--> RV10-List message posted by: "Ralph E. Capen"

One of the pictures shows the bolt hole that goes through the gear leg - that bolt being in there would change the total spacing - I don't know if it would fix your error though.

 

I know that when I was doing my 6A I had a similar issue - after I put it all together it fit better and the spacers ended up being almost perfect.......

 

Something to check.....

 

Ralph
[quote]
--


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n223rv(at)wolflakeairport
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PostPosted: Fri Jun 02, 2006 2:26 pm    Post subject: Brake Mount Assembly - help requested! Reply with quote

I had the same problem on the right side, not the left....  I'd shave down the bolt.  FWIW, on my RV-4 you had to shave down the entire side of a couple of the landing gear bolts to get them to fit.  No worries, keep building!
 
 
-Mike Kraus
RV-4 Flying
RV-10 Fuselage/Avionics
 
 
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