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smullins(at)drury.edu
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 Posted: Tue Feb 04, 2020 6:00 am Post subject: Elevator counterbalance issues.. |
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Hey all. Happy 2020.
I have an interesting issue that someone may be able to help with. During a preflight last week I noticed the lead counterbalance weight in the leading edge of the elevator rubbing on the leading edge of the horizontal stab. Close inspection showed that the lead had slightly migrated/moved inboard causing the friction. My worst fear would be the weight moving enough during flight to restrict movement of the elevator. I did not build the AC, but the plans show the lead being melted and poured into the leading edge next to the rib.
Anyone have any experience with this? Any ideas for a fix?
Steve Mullins, Professor of Economics [img]cid:image001.png(at)01D5DB30.DB56A720[/img]
Breech School of Business Administration
Drury University
“Preparing Ethical Leaders for the Global Business Community”
417.873.7299
| | - The Matronics RV4-List Email Forum - | | | 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:
http://www.matronics.com/Navigator?RV4-List |
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halbenjamin101(at)gmail.c
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| Posted: Tue Feb 04, 2020 5:03 pm Post subject: Elevator counterbalance issues.. |
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Hi Steve,
I built my RV4, and Did melt lead and pour it in. If I remember correctly, there are bolts that go through the two ribs back to back that form the elevator counter balance arm.
It you take off the fiberglass tip you might be able to see if the nut(s) holding a bolt is loose. Let us know if that works. Good luck.
Hal Benjamin
RV4
Sent from my iPad
On Feb 4, 2020, at 8:58 AM, Steve Mullins <smullins(at)drury.edu (smullins(at)drury.edu)> wrote:
| Quote: | v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} <![endif]--> <![endif]--> <![endif]-->
Hey all. Happy 2020.
I have an interesting issue that someone may be able to help with. During a preflight last week I noticed the lead counterbalance weight in the leading edge of the elevator rubbing on the leading edge of the horizontal stab. Close inspection showed that the lead had slightly migrated/moved inboard causing the friction. My worst fear would be the weight moving enough during flight to restrict movement of the elevator. I did not build the AC, but the plans show the lead being melted and poured into the leading edge next to the rib.
Anyone have any experience with this? Any ideas for a fix?
Steve Mullins, Professor of Economics <image001.png>
Breech School of Business Administration
Drury University
“Preparing Ethical Leaders for the Global Business Community”
417.873.7299
|
| | - The Matronics RV4-List Email Forum - | | | 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:
http://www.matronics.com/Navigator?RV4-List |
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smullins(at)drury.edu
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| Posted: Tue Feb 04, 2020 6:26 pm Post subject: Elevator counterbalance issues.. |
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Thanks for the tip Hal. Will do.
Steve Mullins
Professor of Economics
The Breech School of Business
Drury University
“Preparing Ethical Leaders for the Global Business Community”
From: owner-rv4-list-server(at)matronics.com <owner-rv4-list-server(at)matronics.com> On Behalf Of Hal Benjamin
Sent: Tuesday, February 4, 2020 7:02 PM
To: rv4-list(at)matronics.com
Subject: Re: RV4-List: Elevator counterbalance issues..
Hi Steve,
I built my RV4, and Did melt lead and pour it in. If I remember correctly, there are bolts that go through the two ribs back to back that form the elevator counter balance arm.
It you take off the fiberglass tip you might be able to see if the nut(s) holding a bolt is loose. Let us know if that works. Good luck.
Hal Benjamin
RV4
Sent from my iPad
On Feb 4, 2020, at 8:58 AM, Steve Mullins <smullins(at)drury.edu (smullins(at)drury.edu)> wrote:
| Quote: |
Hey all. Happy 2020.
I have an interesting issue that someone may be able to help with. During a preflight last week I noticed the lead counterbalance weight in the leading edge of the elevator rubbing on the leading edge of the horizontal stab. Close inspection showed that the lead had slightly migrated/moved inboard causing the friction. My worst fear would be the weight moving enough during flight to restrict movement of the elevator. I did not build the AC, but the plans show the lead being melted and poured into the leading edge next to the rib.
Anyone have any experience with this? Any ideas for a fix?
Steve Mullins, Professor of Economics <image001.png>
Breech School of Business Administration
Drury University
“Preparing Ethical Leaders for the Global Business Community”
417.873.7299
|
| | - The Matronics RV4-List Email Forum - | | | 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:
http://www.matronics.com/Navigator?RV4-List |
|
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| Back to top |
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alainrboucher(at)gmail.co
Guest
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| Posted: Wed Feb 05, 2020 1:59 pm Post subject: Elevator counterbalance issues.. |
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Hal is correct, see attached.
[img]cid:F39B40EB-7EF4-432F-8E5F-E6102B201304-L0-001[/img]
Sent from my iPhone
| Quote: | On Feb 4, 2020, at 9:29 PM, Steve Mullins <smullins(at)drury.edu> wrote:
<![endif]--> <![endif]-->
Thanks for the tip Hal. Will do.
Steve Mullins
Professor of Economics
The Breech School of Business
Drury University
“Preparing Ethical Leaders for the Global Business Community”
From: owner-rv4-list-server(at)matronics.com <owner-rv4-list-server(at)matronics.com> On Behalf Of Hal Benjamin
Sent: Tuesday, February 4, 2020 7:02 PM
To: rv4-list(at)matronics.com
Subject: Re: Elevator counterbalance issues..
Hi Steve,
I built my RV4, and Did melt lead and pour it in. If I remember correctly, there are bolts that go through the two ribs back to back that form the elevator counter balance arm.
It you take off the fiberglass tip you might be able to see if the nut(s) holding a bolt is loose. Let us know if that works. Good luck.
Hal Benjamin
RV4
Sent from my iPad
On Feb 4, 2020, at 8:58 AM, Steve Mullins <smullins(at)drury.edu (smullins(at)drury.edu)> wrote:
| Quote: |
Hey all. Happy 2020.
I have an interesting issue that someone may be able to help with. During a preflight last week I noticed the lead counterbalance weight in the leading edge of the elevator rubbing on the leading edge of the horizontal stab. Close inspection showed that the lead had slightly migrated/moved inboard causing the friction. My worst fear would be the weight moving enough during flight to restrict movement of the elevator. I did not build the AC, but the plans show the lead being melted and poured into the leading edge next to the rib.
Anyone have any experience with this? Any ideas for a fix?
Steve Mullins, Professor of Economics <image001.png>
Breech School of Business Administration
Drury University
“Preparing Ethical Leaders for the Global Business Community”
417.873.7299
|
|
| | - The Matronics RV4-List Email Forum - | | | 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:
http://www.matronics.com/Navigator?RV4-List |
|
| Description: |
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| Filesize: |
652.83 KB |
| Viewed: |
9820 Time(s) |
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ceengland7(at)gmail.com
Guest
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| Posted: Wed Feb 05, 2020 2:35 pm Post subject: Elevator counterbalance issues.. |
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If I could get to the area and the lead isn't too banged up, I'd be thinking about some really thin epoxy to both fill the gaps and 'glue' it into place. Is that a possibility? Unfortunately, it would likely involve removing the elevator
so you could pour the epoxy into the cavities.
Charlie
On Wed, Feb 5, 2020 at 4:02 PM Alain Boucher <alainrboucher(at)gmail.com (alainrboucher(at)gmail.com)> wrote:
| Quote: | Hal is correct, see attached.
Sent from my iPhone
| Quote: | On Feb 4, 2020, at 9:29 PM, Steve Mullins <smullins(at)drury.edu (smullins(at)drury.edu)> wrote:
Thanks for the tip Hal. Will do.
Steve Mullins
Professor of Economics
The Breech School of Business
Drury University
“Preparing Ethical Leaders for the Global Business Community”
From: owner-rv4-list-server(at)matronics.com (owner-rv4-list-server(at)matronics.com) <owner-rv4-list-server(at)matronics.com (owner-rv4-list-server(at)matronics.com)> On Behalf Of Hal Benjamin
Sent: Tuesday, February 4, 2020 7:02 PM
To: rv4-list(at)matronics.com (rv4-list(at)matronics.com)
Subject: Re: Elevator counterbalance issues..
Hi Steve,
I built my RV4, and Did melt lead and pour it in. If I remember correctly, there are bolts that go through the two ribs back to back that form the elevator counter balance arm.
It you take off the fiberglass tip you might be able to see if the nut(s) holding a bolt is loose. Let us know if that works. Good luck.
Hal Benjamin
RV4
Sent from my iPad
On Feb 4, 2020, at 8:58 AM, Steve Mullins <smullins(at)drury.edu (smullins(at)drury.edu)> wrote:
| Quote: |
Hey all. Happy 2020.
I have an interesting issue that someone may be able to help with. During a preflight last week I noticed the lead counterbalance weight in the leading edge of the elevator rubbing on the leading edge of the horizontal stab. Close inspection showed that the lead had slightly migrated/moved inboard causing the friction. My worst fear would be the weight moving enough during flight to restrict movement of the elevator. I did not build the AC, but the plans show the lead being melted and poured into the leading edge next to the rib.
Anyone have any experience with this? Any ideas for a fix?
Steve Mullins, Professor of Economics <image001.png>
Breech School of Business Administration
Drury University
“Preparing Ethical Leaders for the Global Business Community”
417.873.7299
|
|
|
| | - The Matronics RV4-List Email Forum - | | | 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:
http://www.matronics.com/Navigator?RV4-List |
|
| Description: |
|
| Filesize: |
652.83 KB |
| Viewed: |
9820 Time(s) |
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| Back to top |
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smullins(at)drury.edu
Guest
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| Posted: Wed Feb 05, 2020 5:10 pm Post subject: Elevator counterbalance issues.. |
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Thanks for the idea and drawings Charlie.
Steve Mullins, Professor of Economics [img]cid:image001.png(at)01D5DC57.A8AE7A50[/img]
Breech School of Business Administration
Drury University
“Preparing Ethical Leaders for the Global Business Community”
417.873.7299
From: owner-rv4-list-server(at)matronics.com <owner-rv4-list-server(at)matronics.com> On Behalf Of Charlie England
Sent: Wednesday, February 05, 2020 4:30 PM
To: rv4-list(at)matronics.com
Subject: Re: RV4-List: Elevator counterbalance issues..
If I could get to the area and the lead isn't too banged up, I'd be thinking about some really thin epoxy to both fill the gaps and 'glue' it into place. Is that a possibility? Unfortunately, it would likely involve removing the elevator
so you could pour the epoxy into the cavities.
Charlie
On Wed, Feb 5, 2020 at 4:02 PM Alain Boucher <alainrboucher(at)gmail.com (alainrboucher(at)gmail.com)> wrote:
| Quote: |
Hal is correct, see attached.
Sent from my iPhone
| Quote: |
On Feb 4, 2020, at 9:29 PM, Steve Mullins <smullins(at)drury.edu (smullins(at)drury.edu)> wrote:
Thanks for the tip Hal. Will do.
Steve Mullins
Professor of Economics
The Breech School of Business
Drury University
“Preparing Ethical Leaders for the Global Business Community”
From: owner-rv4-list-server(at)matronics.com (owner-rv4-list-server(at)matronics.com) <owner-rv4-list-server(at)matronics.com (owner-rv4-list-server(at)matronics.com)> On Behalf Of Hal Benjamin
Sent: Tuesday, February 4, 2020 7:02 PM
To: rv4-list(at)matronics.com (rv4-list(at)matronics.com)
Subject: Re: RV4-List: Elevator counterbalance issues..
Hi Steve,
I built my RV4, and Did melt lead and pour it in. If I remember correctly, there are bolts that go through the two ribs back to back that form the elevator counter balance arm.
It you take off the fiberglass tip you might be able to see if the nut(s) holding a bolt is loose. Let us know if that works. Good luck.
Hal Benjamin
RV4
Sent from my iPad
On Feb 4, 2020, at 8:58 AM, Steve Mullins <smullins(at)drury.edu (smullins(at)drury.edu)> wrote:
| Quote: |
Hey all. Happy 2020.
I have an interesting issue that someone may be able to help with. During a preflight last week I noticed the lead counterbalance weight in the leading edge of the elevator rubbing on the leading edge of the horizontal stab. Close inspection showed that the lead had slightly migrated/moved inboard causing the friction. My worst fear would be the weight moving enough during flight to restrict movement of the elevator. I did not build the AC, but the plans show the lead being melted and poured into the leading edge next to the rib.
Anyone have any experience with this? Any ideas for a fix?
Steve Mullins, Professor of Economics <image001.png>
Breech School of Business Administration
Drury University
“Preparing Ethical Leaders for the Global Business Community”
417.873.7299
|
|
|
| | - The Matronics RV4-List Email Forum - | | | 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:
http://www.matronics.com/Navigator?RV4-List |
|
| Description: |
|
| Filesize: |
2.79 KB |
| Viewed: |
9820 Time(s) |
|
|
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| Back to top |
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smullins(at)drury.edu
Guest
|
| Posted: Wed Feb 05, 2020 5:21 pm Post subject: Elevator counterbalance issues.. |
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Thanks Alain.
Steve Mullins, Professor of Economics [img]cid:image001.png(at)01D5DC59.26B14710[/img]
Breech School of Business Administration
Drury University
“Preparing Ethical Leaders for the Global Business Community”
417.873.7299
From: owner-rv4-list-server(at)matronics.com <owner-rv4-list-server(at)matronics.com> On Behalf Of Alain Boucher
Sent: Wednesday, February 05, 2020 3:58 PM
To: rv4-list(at)matronics.com
Subject: Re: RV4-List: Elevator counterbalance issues..
Hal is correct, see attached.
[img]cid:image002.jpg(at)01D5DC59.26B14710[/img]
Sent from my iPhone
| Quote: |
On Feb 4, 2020, at 9:29 PM, Steve Mullins <smullins(at)drury.edu (smullins(at)drury.edu)> wrote:
Thanks for the tip Hal. Will do.
Steve Mullins
Professor of Economics
The Breech School of Business
Drury University
“Preparing Ethical Leaders for the Global Business Community”
From: owner-rv4-list-server(at)matronics.com (owner-rv4-list-server(at)matronics.com) <owner-rv4-list-server(at)matronics.com (owner-rv4-list-server(at)matronics.com)> On Behalf Of Hal Benjamin
Sent: Tuesday, February 4, 2020 7:02 PM
To: rv4-list(at)matronics.com (rv4-list(at)matronics.com)
Subject: Re: RV4-List: Elevator counterbalance issues..
Hi Steve,
I built my RV4, and Did melt lead and pour it in. If I remember correctly, there are bolts that go through the two ribs back to back that form the elevator counter balance arm.
It you take off the fiberglass tip you might be able to see if the nut(s) holding a bolt is loose. Let us know if that works. Good luck.
Hal Benjamin
RV4
Sent from my iPad
On Feb 4, 2020, at 8:58 AM, Steve Mullins <smullins(at)drury.edu (smullins(at)drury.edu)> wrote:
| Quote: |
Hey all. Happy 2020.
I have an interesting issue that someone may be able to help with. During a preflight last week I noticed the lead counterbalance weight in the leading edge of the elevator rubbing on the leading edge of the horizontal stab. Close inspection showed that the lead had slightly migrated/moved inboard causing the friction. My worst fear would be the weight moving enough during flight to restrict movement of the elevator. I did not build the AC, but the plans show the lead being melted and poured into the leading edge next to the rib.
Anyone have any experience with this? Any ideas for a fix?
Steve Mullins, Professor of Economics <image001.png>
Breech School of Business Administration
Drury University
“Preparing Ethical Leaders for the Global Business Community”
417.873.7299
|
|
| | - The Matronics RV4-List Email Forum - | | | 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:
http://www.matronics.com/Navigator?RV4-List |
|
| Description: |
|
| Filesize: |
2.79 KB |
| Viewed: |
9820 Time(s) |
|
| Description: |
|
| Filesize: |
652.83 KB |
| Viewed: |
9820 Time(s) |
|
|
|
| Back to top |
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