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frank3
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 Posted: Thu Sep 04, 2014 2:00 pm Post subject: AN fuel line fittings |
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Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya?
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Guy Buchanan
Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA
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| Posted: Thu Sep 04, 2014 4:45 pm Post subject: AN fuel line fittings |
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Lots of people do, indeed possibly most out there. I used them throughout, my only question was whether to use aluminum of steel. I used steel and brass on fuel, and used steel on a couple of the oil lines; the rest aluminum. Hope it works, as I'm not quite flying yet.
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
Guy Buchanan Normal Guy Buchanan 2 21 2011-09-20T05:05:00Z 2011-09-20T05:05:00Z 1 31 183 1 1 213 14.00 <![endif]--> 59 false false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 <![endif]--> <![endif]--> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} <![endif]--> <![endif]--> <![endif]-->
On 9/4/2014 3:00 PM, frank3 wrote:
[quote] | Quote: | --> RotaxEngines-List message posted by: "frank3" <frank3phyl(at)comcast.net> (frank3phyl(at)comcast.net)
Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya?
--------
Frank McDonald
Kitfox S7
912S, Sensenich Composite 3 Blade
Acworth, GA
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=430002#430002
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Guy Buchanan
Deceased K-IV 1200
A glider pilot too. |
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jay(at)horriblehyde.com
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| Posted: Fri Sep 05, 2014 1:49 am Post subject: AN fuel line fittings |
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Hello Guy,
One problem with brass is that it may corrode in such a way to block your small orifices- although I think that with fuel it would be ok. The reason for this is that brass will corrode in the presence of water (as do other metals, but I have noticed that brass will do that in a pain in the arse way in particular situations). Because you are using brass in your fuel lines it shouldn’t be a problem- except where you have small orifices.
But it looks as if you have that figured out…
Johannesburg Jay
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HH Enterprises - Aircraft assembly, repair, wiring and avionics
- Flight instruction
- General and Electrical Engineering services
(NHD Elec Eng, BTech Elec Eng, GDE ELec Eng)- Great dinner parties and conversation
- General adventuring, climbing, kayaking and living
Blog: www.rawhyde.wordpress.com
Cel: 083 300 8675
Email: jay(at)horriblehyde.com (jay(at)horriblehyde.com)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
From: owner-rotaxengines-list-server(at)matronics.com [mailto:owner-rotaxengines-list-server(at)matronics.com] On Behalf Of Guy Buchanan
Sent: 05 September 2014 02:45 AM
To: rotaxengines-list(at)matronics.com
Subject: Re: AN fuel line fittings
Lots of people do, indeed possibly most out there. I used them throughout, my only question was whether to use aluminum of steel. I used steel and brass on fuel, and used steel on a couple of the oil lines; the rest aluminum. Hope it works, as I'm not quite flying yet.
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
On 9/4/2014 3:00 PM, frank3 wrote:
| Quote: | | Quote: | | --> RotaxEngines-List message posted by: "frank3" <frank3phyl(at)comcast.net> (frank3phyl(at)comcast.net) Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? --------Frank McDonaldKitfox S7912S, Sensenich Composite 3 BladeAcworth, GA |
0123456789 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
0 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
1 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
2 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
3 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
4 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
5 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
6 |
| Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
7 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
8 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
901234567890123
[quote][b]
| | - 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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Guy Buchanan
Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA
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| Posted: Fri Sep 05, 2014 10:39 am Post subject: AN fuel line fittings |
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Thankfully the brass parts are limited to 3/8" openings and I don't plan on running alcohol fuel, so it shouldn't be a problem.
Guy
On 9/5/2014 2:47 AM, Jay Hyde wrote:
[quote] <![endif]--> <![endif]-->
Hello Guy,
One problem with brass is that it may corrode in such a way to block your small orifices- although I think that with fuel it would be ok. The reason for this is that brass will corrode in the presence of water (as do other metals, but I have noticed that brass will do that in a pain in the arse way in particular situations). Because you are using brass in your fuel lines it shouldn’t be a problem- except where you have small orifices.
But it looks as if you have that figured out…
Johannesburg Jay
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HH Enterprises - Aircraft assembly, repair, wiring and avionics
- Flight instruction
- General and Electrical Engineering services
(NHD Elec Eng, BTech Elec Eng, GDE ELec Eng) - Great dinner parties and conversation
- General adventuring, climbing, kayaking and living
Blog: www.rawhyde.wordpress.com
Cel: 083 300 8675
Email: jay(at)horriblehyde.com (jay(at)horriblehyde.com)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
From: owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com) [mailto:owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com)] On Behalf Of Guy Buchanan
Sent: 05 September 2014 02:45 AM
To: rotaxengines-list(at)matronics.com (rotaxengines-list(at)matronics.com)
Subject: Re: AN fuel line fittings
Lots of people do, indeed possibly most out there. I used them throughout, my only question was whether to use aluminum of steel. I used steel and brass on fuel, and used steel on a couple of the oil lines; the rest aluminum. Hope it works, as I'm not quite flying yet.
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
On 9/4/2014 3:00 PM, frank3 wrote:
| Quote: | | Quote: | | --> RotaxEngines-List message posted by: "frank3" <frank3phyl(at)comcast.net> (frank3phyl(at)comcast.net) Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? --------Frank McDonaldKitfox S7912S, Sensenich Composite 3 BladeAcworth, GA |
0 1 2 3 4 5 6 7 8 9 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
0 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
1 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
2 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
3 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
4 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
5 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
6 |
| Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
7 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
8 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
9 0 1 2
3 [b]
| | - 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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_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too. |
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BARRY CHECK 6
Joined: 15 Mar 2011
Posts: 738
|
| Posted: Fri Sep 05, 2014 10:59 am Post subject: AN fuel line fittings |
|
|
Hi Jay & Gaggle:
Brass does not corrode. It can oxidize the same as aluminum, forming Brass Oxide. As for small orifices - There should NOT be any small orifices in a fuel system. There is a simple and basic requirement that the fuel line have a diameter large enough to supply twice the full power hourly fuel flow of the engine under a gravity feed system. Now, there are BRASS nozzles used on many Lycoming & Continental engines for the Primer Lines which are quite small. In the range of 0.060" Diameter. So, once again orifice size in not an issue. MANY carburetors use brass nozzles and valve seats internally - So, once again orifice size in not an issue.
Sorry Jay, your information is not correct.
Barry
On Fri, Sep 5, 2014 at 5:47 AM, Jay Hyde <jay(at)horriblehyde.com (jay(at)horriblehyde.com)> wrote:
[quote]
Hello Guy,
One problem with brass is that it may corrode in such a way to block your small orifices- although I think that with fuel it would be ok. The reason for this is that brass will corrode in the presence of water (as do other metals, but I have noticed that brass will do that in a pain in the arse way in particular situations). Because you are using brass in your fuel lines it shouldn’t be a problem- except where you have small orifices.
But it looks as if you have that figured out…
Johannesburg Jay
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HH Enterprises - Aircraft assembly, repair, wiring and avionics
- Flight instruction
- General and Electrical Engineering services
(NHD Elec Eng, BTech Elec Eng, GDE ELec Eng)- Great dinner parties and conversation
- General adventuring, climbing, kayaking and living
Blog: www.rawhyde.wordpress.com
Cel: 083 300 8675
Email: jay(at)horriblehyde.com (jay(at)horriblehyde.com)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
From: owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com) [mailto:owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com)] On Behalf Of Guy Buchanan
Sent: 05 September 2014 02:45 AM
To: rotaxengines-list(at)matronics.com (rotaxengines-list(at)matronics.com)
Subject: Re: RotaxEngines-List: AN fuel line fittings
Lots of people do, indeed possibly most out there. I used them throughout, my only question was whether to use aluminum of steel. I used steel and brass on fuel, and used steel on a couple of the oil lines; the rest aluminum. Hope it works, as I'm not quite flying yet.
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
On 9/4/2014 3:00 PM, frank3 wrote:
| Quote: | | Quote: | | --> RotaxEngines-List message posted by: "frank3" <frank3phyl(at)comcast.net> (frank3phyl(at)comcast.net) Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? --------Frank McDonaldKitfox S7912S, Sensenich Composite 3 BladeAcworth, GA |
0123456789 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
0 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
1 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
2 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
3 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
4 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
5 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
6 |
| Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
7 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
8 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
901234567890123
4
[b]
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Guy Buchanan
Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA
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| Posted: Fri Sep 05, 2014 3:16 pm Post subject: AN fuel line fittings |
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|
I think I agree on the corrosion, unless it's electrolytic. As to the orifices, there is one in the stock return line. Not sure what size it is, but it is pretty small, certainly smaller than .06".
Guy Buchanan Normal Guy Buchanan 2 21 2011-09-20T05:05:00Z 2011-09-20T05:05:00Z 1 31 183 1 1 213 14.00 <![endif]--> 59 false false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 <![endif]--> <![endif]--> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} <![endif]--> <![endif]--> <![endif]-->
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
On 9/5/2014 11:59 AM, FLYaDIVE wrote:
[quote] Hi Jay & Gaggle:
Brass does not corrode. It can oxidize the same as aluminum, forming Brass Oxide. As for small orifices - There should NOT be any small orifices in a fuel system. There is a simple and basic requirement that the fuel line have a diameter large enough to supply twice the full power hourly fuel flow of the engine under a gravity feed system. Now, there are BRASS nozzles used on many Lycoming & Continental engines for the Primer Lines which are quite small. In the range of 0.060" Diameter. So, once again orifice size in not an issue. MANY carburetors use brass nozzles and valve seats internally - So, once again orifice size in not an issue.
Sorry Jay, your information is not correct.
Barry
On Fri, Sep 5, 2014 at 5:47 AM, Jay Hyde <jay(at)horriblehyde.com (jay(at)horriblehyde.com)> wrote:
| Quote: |
Hello Guy,
One problem with brass is that it may corrode in such a way to block your small orifices- although I think that with fuel it would be ok. The reason for this is that brass will corrode in the presence of water (as do other metals, but I have noticed that brass will do that in a pain in the arse way in particular situations). Because you are using brass in your fuel lines it shouldn’t be a problem- except where you have small orifices.
But it looks as if you have that figured out…
Johannesburg Jay
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
HH Enterprises - Aircraft assembly, repair, wiring and avionics
- Flight instruction
- General and Electrical Engineering services
(NHD Elec Eng, BTech Elec Eng, GDE ELec Eng) - Great dinner parties and conversation
- General adventuring, climbing, kayaking and living
Blog: www.rawhyde.wordpress.com
Cel: 083 300 8675
Email: jay(at)horriblehyde.com (jay(at)horriblehyde.com)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
From: owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com) [mailto:owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com)] On Behalf Of Guy Buchanan
Sent: 05 September 2014 02:45 AM
To: rotaxengines-list(at)matronics.com (rotaxengines-list(at)matronics.com)
Subject: Re: AN fuel line fittings
Lots of people do, indeed possibly most out there. I used them throughout, my only question was whether to use aluminum of steel. I used steel and brass on fuel, and used steel on a couple of the oil lines; the rest aluminum. Hope it works, as I'm not quite flying yet.
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
On 9/4/2014 3:00 PM, frank3 wrote:
| Quote: | | Quote: | | --> RotaxEngines-List message posted by: "frank3" <frank3phyl(at)comcast.net> (frank3phyl(at)comcast.net) Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? --------Frank McDonaldKitfox S7912S, Sensenich Composite 3 BladeAcworth, GA |
0 1 2 3 4 5 6 7 8 9 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
0 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
1 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
2 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
3 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
4 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
5 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
6 |
| Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
7 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
8 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
9 0 1 2
3
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4 [b]
| | - 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 |
|
_________________
Guy Buchanan
Deceased K-IV 1200
A glider pilot too. |
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| Back to top |
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BARRY CHECK 6
Joined: 15 Mar 2011
Posts: 738
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| Posted: Fri Sep 05, 2014 3:41 pm Post subject: AN fuel line fittings |
|
|
Guy:
You cannot agree to the corrosion as it is nonexistent. Did you read my post?
Just in case you missed it:-
Hi Jay & Gaggle:
Brass does not corrode. It can oxidize the same as aluminum, forming Brass Oxide. As for small orifices - There should NOT be any small orifices in a fuel system. There is a simple and basic requirement that the fuel line have a diameter large enough to supply twice the full power hourly fuel flow of the engine under a gravity feed system. Now, there are BRASS nozzles used on many Lycoming & Continental engines for the Primer Lines which are quite small. In the range of 0.060" Diameter. So, once again orifice size in not an issue. MANY carburetors use brass nozzles and valve seats internally - So, once again orifice size in not an issue.
Sorry Jay, your information is not correct.
Barry
=========================
And if you wonder what my qualifications are for making my statements, I was a QA Manager and Technical Sales Engineer for a metal coatings company for 8 years and a QA Test Engineer for 20+ working years of my life. Add to that the little fact about brass being used in carbs for decades you will realize Jay in incorrect.
Barry
On Fri, Sep 5, 2014 at 7:15 PM, Guy Buchanan <gebuchanan(at)cox.net (gebuchanan(at)cox.net)> wrote:
[quote] I think I agree on the corrosion, unless it's electrolytic. As to the orifices, there is one in the stock return line. Not sure what size it is, but it is pretty small, certainly smaller than .06".
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
On 9/5/2014 11:59 AM, FLYaDIVE wrote:
[quote] Hi Jay & Gaggle:
Brass does not corrode. It can oxidize the same as aluminum, forming Brass Oxide. As for small orifices - There should NOT be any small orifices in a fuel system. There is a simple and basic requirement that the fuel line have a diameter large enough to supply twice the full power hourly fuel flow of the engine under a gravity feed system. Now, there are BRASS nozzles used on many Lycoming & Continental engines for the Primer Lines which are quite small. In the range of 0.060" Diameter
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brian.davies(at)clara.co.
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| Posted: Sat Sep 06, 2014 11:05 am Post subject: AN fuel line fittings |
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There are lots of small orifices in fuel systems. That’s how carbs work. (supplying fuel through small orifices). The standard Rotax fuel return system uses a fuel return through a small orifice.
Regards
Brian Davies
From: owner-rotaxengines-list-server(at)matronics.com [mailto:owner-rotaxengines-list-server(at)matronics.com] On Behalf Of FLYaDIVE
Sent: 06 September 2014 00:41
To: rotaxengines-list(at)matronics.com; gebuchanan(at)cox.net
Subject: Re: AN fuel line fittings
Guy:
You cannot agree to the corrosion as it is nonexistent. Did you read my post?
Just in case you missed it:-
Hi Jay & Gaggle:
Brass does not corrode. It can oxidize the same as aluminum, forming Brass Oxide. As for small orifices - There should NOT be any small orifices in a fuel system. There is a simple and basic requirement that the fuel line have a diameter large enough to supply twice the full power hourly fuel flow of the engine under a gravity feed system. Now, there are BRASS nozzles used on many Lycoming & Continental engines for the Primer Lines which are quite small. In the range of 0.060" Diameter. So, once again orifice size in not an issue. MANY carburetors use brass nozzles and valve seats internally - So, once again orifice size in not an issue.
Sorry Jay, your information is not correct.
Barry
=========================
And if you wonder what my qualifications are for making my statements, I was a QA Manager and Technical Sales Engineer for a metal coatings company for 8 years and a QA Test Engineer for 20+ working years of my life. Add to that the little fact about brass being used in carbs for decades you will realize Jay in incorrect.
Barry
On Fri, Sep 5, 2014 at 7:15 PM, Guy Buchanan <gebuchanan(at)cox.net (gebuchanan(at)cox.net)> wrote:
I think I agree on the corrosion, unless it's electrolytic. As to the orifices, there is one in the stock return line. Not sure what size it is, but it is pretty small, certainly smaller than .06".
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
On 9/5/2014 11:59 AM, FLYaDIVE wrote:
| Quote: |
Hi Jay & Gaggle:
Brass does not corrode. It can oxidize the same as aluminum, forming Brass Oxide. As for small orifices - There should NOT be any small orifices in a fuel system. There is a simple and basic requirement that the fuel line have a diameter large enough to supply twice the full power hourly fuel flow of the engine under a gravity feed system. Now, there are BRASS nozzles used on many Lycoming & Continental engines for the Primer Lines which are quite small. In the range of 0.060" Diameter. So, once again orifice size in not an issue. MANY carburetors use brass nozzles and valve seats internally - So, once again orifice size in not an issue.
Sorry Jay, your information is not correct.
Barry
On Fri, Sep 5, 2014 at 5:47 AM, Jay Hyde <jay(at)horriblehyde.com (jay(at)horriblehyde.com)> wrote:
| Quote: |
Hello Guy,
One problem with brass is that it may corrode in such a way to block your small orifices- although I think that with fuel it would be ok. The reason for this is that brass will corrode in the presence of water (as do other metals, but I have noticed that brass will do that in a pain in the arse way in particular situations). Because you are using brass in your fuel lines it shouldn’t be a problem- except where you have small orifices.
But it looks as if you have that figured out…
Johannesburg Jay
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HH Enterprises - Aircraft assembly, repair, wiring and avionics
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(NHD Elec Eng, BTech Elec Eng, GDE ELec Eng)- Great dinner parties and conversation
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Blog: www.rawhyde.wordpress.com
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From: owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com) [mailto:owner-rotaxengines-list-server(at)matronics.com (owner-rotaxengines-list-server(at)matronics.com)] On Behalf Of Guy Buchanan
Sent: 05 September 2014 02:45 AM
To: rotaxengines-list(at)matronics.com (rotaxengines-list(at)matronics.com)
Subject: Re: AN fuel line fittings
Lots of people do, indeed possibly most out there. I used them throughout, my only question was whether to use aluminum of steel. I used steel and brass on fuel, and used steel on a couple of the oil lines; the rest aluminum. Hope it works, as I'm not quite flying yet.
Guy Buchanan
Ramona, CA
Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. and grounded
Now a glider pilot, too.
On 9/4/2014 3:00 PM, frank3 wrote:
| Quote: | | Quote: | | --> RotaxEngines-List message posted by: "frank3" <frank3phyl(at)comcast.net> (frank3phyl(at)comcast.net) Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? --------Frank McDonaldKitfox S7912S, Sensenich Composite 3 BladeAcworth, GA |
0123456789 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
0 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
1 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
2 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
3 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
4 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
5 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
6 |
| Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
7 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
8 | Quote: | | Has any one gone to the trouble (and expense) of using AN fittings on their fuel or oil lines, i.e. used Aeroquip or Stratoflex fittings? How'd that work out for ya? |
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