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Paul M 383
Joined: 19 Mar 2012
Posts: 97
Location: United Kingdom
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 Posted: Sun May 09, 2021 11:53 am Post subject: Voltage regulator connection |
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Has anybody seen this voltage regulator connection issue? One of the yellow generator connectors has clearly got hot and is too close to its slot in the plug.
It's definitely melted, not vibration or mechanical abrasion and looks like it's simply too close to the edge of its slot in the plug.
How to avoid re-occurrence?
(Apologies for the first image - auto focus  )
Many thanks in advance,
Paul M
Europa Mono with 912 ULS
G-PLPM
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kilocharlie767(at)gmail.c
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| Posted: Sun May 09, 2021 12:30 pm Post subject: Voltage regulator connection |
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Like this?
Sent from KC
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williamtsullivan(at)att.n
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| Posted: Sun May 09, 2021 1:51 pm Post subject: Voltage regulator connection |
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My first thought is a loose connection, leading to arcing.
Bill Sullivan
Tarboro, NC
On Sunday, May 9, 2021, 03:55:32 PM EDT, Paul M 383 <europaul383(at)hotmail.com> wrote:
--> RotaxEngines-List message posted by: "Paul M 383" <europaul383(at)hotmail.com (europaul383(at)hotmail.com)>
Has anybody seen this voltage regulator connection issue? One of the yellow generator connectors has clearly got hot and is too close to its slot in the plug.
It's definitely melted, not vibration or mechanical abrasion and looks like it's simply too close to the edge of its slot in the plug.
How to avoid re-occurrence?
(Apologies for the first image - auto focus [Rolling Eyes] )
Many thanks in advance,
Paul M
Europa Mono with 912 ULS
G-PLPM
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=501803#501803
Attachments:
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http://forums.matronics.com//files/20210509_125515_179.jpg
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http://www.matronics.com/Navigator?RotaxEngines-List
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http:/p; -Matt Dralle, List Admin.
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Paul M 383
Joined: 19 Mar 2012
Posts: 97
Location: United Kingdom
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| Posted: Sun May 09, 2021 1:51 pm Post subject: Voltage regulator connection |
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Yes! Although mine wasn't as bad as that...
What was the cause and, more importantly, what was the fix to prevent recurrence?
Best,
Paul M
-------- Original message --------
From: Ken Cashwell <kilocharlie767(at)gmail.com>
Date: 09/05/2021 21:34 (GMT+00:00)
To: rotaxengines-list(at)matronics.com
Subject: Re: RotaxEngines-List: Voltage regulator connection
[img]cid:365cfa72-9ddc-4329-a606-9b881b34edf5(at)eurprd03.prod.outlook.com[/img]
Like this?
Sent from KC
> On May 9, 2021, at 2:58 PM, Paul M 383 <europaul383(at)hotmail.com> wrote:
>
> --> RotaxEngines-List message posted by: "Paul M 383" <europaul383(at)hotmail.com>
>
> Has anybody seen this voltage regulator connection issue? One of the yellow generator connectors has clearly got hot and is too close to its slot in the plug.
>
> It's definitely melted, not vibration or mechanical abrasion and looks like it's simply too close to the edge of its slot in the plug.
>
> How to avoid re-occurrence?
>
> (Apologies for the first image - auto focus [Rolling Eyes] )
>
> Many thanks in advance,
>
> Paul M
> Europa Mono with 912 ULS
> G-PLPM
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=501803#501803
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/20210509_125502_138.jpg
> http://forums.matronics.com//files/20210509_125515_179.jpg
> http://forums.matronics.com//files/20210509_125602_142.jpg
>
>
>
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>
>
>
| | - The Matronics RotaxEngines-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?RotaxEngines-List |
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kilocharlie767(at)gmail.c
Guest
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| Posted: Sun May 09, 2021 4:12 pm Post subject: Voltage regulator connection |
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Welp, the cause wasn’t a loose connection. This was on my RV-12, installed IAW original instructions. It occurred with less than a 100 hours TT. Van’s came up with a different installation and different regulator. I opted for it. So far, so good.
Ken
Sent from KC
| Quote: | On May 9, 2021, at 4:54 PM, Paul Mansfield <europaul383(at)hotmail.com> wrote:
 Yes! Although mine wasn't as bad as that...
What was the cause and, more importantly, what was the fix to prevent recurrence?
Best,
Paul M
-------- Original message --------
From: Ken Cashwell <kilocharlie767(at)gmail.com>
Date: 09/05/2021 21:34 (GMT+00:00)
To: rotaxengines-list(at)matronics.com
Subject: Re: Voltage regulator connection
<image0.jpeg>
Like this?
Sent from KC
> On May 9, 2021, at 2:58 PM, Paul M 383 <europaul383(at)hotmail.com> wrote:
>
> --> RotaxEngines-List message posted by: "Paul M 383" <europaul383(at)hotmail.com>
>
> Has anybody seen this voltage regulator connection issue? One of the yellow generator connectors has clearly got hot and is too close to its slot in the plug.
>
> It's definitely melted, not vibration or mechanical abrasion and looks like it's simply too close to the edge of its slot in the plug.
>
> How to avoid re-occurrence?
>
> (Apologies for the first image - auto focus [Rolling Eyes] )
>
> Many thanks in advance,
>
> Paul M
> Europa Mono with 912 ULS
> G-PLPM
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=501803#501803
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/20210509_125502_138.jpg
> http://forums.matronics.com//files/20210509_125515_179.jpg
> http://forums.matronics.com//files/20210509_125602_142.jpg
>
>
>
====================================
====================================
====================================
====================================
====================================
>
>
>
|
| | - The Matronics RotaxEngines-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:
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John Kirkgaard
Joined: 04 Aug 2019
Posts: 21
Location: Denmark
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| Posted: Sun May 09, 2021 10:57 pm Post subject: Re: Voltage regulator connection |
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This happens when the connection is not 100% tight. Bad connection creates heat.
John
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Paul M 383
Joined: 19 Mar 2012
Posts: 97
Location: United Kingdom
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| Posted: Mon May 10, 2021 9:36 am Post subject: Voltage regulator connection |
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Glad you got it resolved Ken,
What was the different installation (and what different regulator, out of interest)?
Best,
Paul M
-------- Original message --------
From: Ken Cashwell <kilocharlie767(at)gmail.com>
Date: 10/05/2021 01:15 (GMT+00:00)
To: rotaxengines-list(at)matronics.com
Subject: Re: RotaxEngines-List: Voltage regulator connection
Welp, the cause wasn’t a loose connection. This was on my RV-12, installed IAW original instructions. It occurred with less than a 100 hours TT. Van’s came up with a different installation and different regulator. I opted for it. So far, so good.
Ken
Sent from KC
| Quote: | On May 9, 2021, at 4:54 PM, Paul Mansfield <europaul383(at)hotmail.com> wrote:
 Yes! Although mine wasn't as bad as that...
What was the cause and, more importantly, what was the fix to prevent recurrence?
Best,
Paul M
-------- Original message --------
From: Ken Cashwell <kilocharlie767(at)gmail.com>
Date: 09/05/2021 21:34 (GMT+00:00)
To: rotaxengines-list(at)matronics.com
Subject: Re: RotaxEngines-List: Voltage regulator connection
<image0.jpeg>
Like this?
Sent from KC
> On May 9, 2021, at 2:58 PM, Paul M 383 <europaul383(at)hotmail.com> wrote:
>
> --> RotaxEngines-List message posted by: "Paul M 383" <europaul383(at)hotmail.com>
>
> Has anybody seen this voltage regulator connection issue? One of the yellow generator connectors has clearly got hot and is too close to its slot in the plug.
>
> It's definitely melted, not vibration or mechanical abrasion and looks like it's simply too close to the edge of its slot in the plug.
>
> How to avoid re-occurrence?
>
> (Apologies for the first image - auto focus [Rolling Eyes] )
>
> Many thanks in advance,
>
> Paul M
> Europa Mono with 912 ULS
> G-PLPM
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=501803#501803
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/20210509_125502_138.jpg
> http://forums.matronics.com//files/20210509_125515_179.jpg
> http://forums.matronics.com//files/20210509_125602_142.jpg
>
>
>
====================================
====================================
====================================
====================================
====================================
>
>
>
|
| | - The Matronics RotaxEngines-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?RotaxEngines-List |
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rparigoris
Joined: 24 Nov 2009
Posts: 792
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| Posted: Mon May 10, 2021 11:17 am Post subject: Re: Voltage regulator connection |
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Hi Paul Looks like a high resistance connection, it turned to a mini toaster. Rotax supplied pretty poor fast-on connectors for some time. My 914 had the poor ones. Vans went to the Silent regulator for a while, Silent said it would not warranty their regulator unless you had phosphor bronze fast-ons. I went with a B&C AVC1 regulator, nice piece. They include phosphor bronze fast-ons or you can buy them separately in their $5 field kit: https://bandc.com/product/avc1-advanced-voltage-controller-homebuilt/#installation-kit Ron P.
| | - The Matronics RotaxEngines-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?RotaxEngines-List |
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kilocharlie767(at)gmail.c
Guest
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| Posted: Mon May 10, 2021 12:11 pm Post subject: Voltage regulator connection |
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Paul,Van’s moved the regulator from under the instrument panel on the co-pilot’s side to the left forward side of the firewall (engine side). They changed the regulator to a Silent and since have changed it again to a B&C. If and when my Silent fails, I will go to a B&C.
Regards,
KEN
Sent from KC
| Quote: | On May 10, 2021, at 12:40 PM, Paul Mansfield <europaul383(at)hotmail.com> wrote:
 Glad you got it resolved Ken,
What was the different installation (and what different regulator, out of interest)?
Best,
Paul M
-------- Original message --------
From: Ken Cashwell <kilocharlie767(at)gmail.com>
Date: 10/05/2021 01:15 (GMT+00:00)
To: rotaxengines-list(at)matronics.com
Subject: Re: Voltage regulator connection
Welp, the cause wasn’t a loose connection. This was on my RV-12, installed IAW original instructions. It occurred with less than a 100 hours TT. Van’s came up with a different installation and different regulator. I opted for it. So far, so good.
Ken
Sent from KC
| Quote: | On May 9, 2021, at 4:54 PM, Paul Mansfield <europaul383(at)hotmail.com> wrote:
 Yes! Although mine wasn't as bad as that...
What was the cause and, more importantly, what was the fix to prevent recurrence?
Best,
Paul M
-------- Original message --------
From: Ken Cashwell <kilocharlie767(at)gmail.com>
Date: 09/05/2021 21:34 (GMT+00:00)
To: rotaxengines-list(at)matronics.com
Subject: Re: Voltage regulator connection
<image0.jpeg>
Like this?
Sent from KC
> On May 9, 2021, at 2:58 PM, Paul M 383 <europaul383(at)hotmail.com> wrote:
>
> --> RotaxEngines-List message posted by: "Paul M 383" <europaul383(at)hotmail.com>
>
> Has anybody seen this voltage regulator connection issue? One of the yellow generator connectors has clearly got hot and is too close to its slot in the plug.
>
> It's definitely melted, not vibration or mechanical abrasion and looks like it's simply too close to the edge of its slot in the plug.
>
> How to avoid re-occurrence?
>
> (Apologies for the first image - auto focus [Rolling Eyes] )
>
> Many thanks in advance,
>
> Paul M
> Europa Mono with 912 ULS
> G-PLPM
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=501803#501803
>
>
>
>
> Attachments:
>
> http://forums.matronics.com//files/20210509_125502_138.jpg
> http://forums.matronics.com//files/20210509_125515_179.jpg
> http://forums.matronics.com//files/20210509_125602_142.jpg
>
>
>
====================================
====================================
====================================
====================================
====================================
>
>
>
|
|
| | - The Matronics RotaxEngines-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?RotaxEngines-List |
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