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trigo(at)mail.telepac.pt
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 Posted: Sat Jul 27, 2013 4:47 am Post subject: Fuel system revisited |
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Fellow RV-10 builders and aviators
Following some recent considerations about the fuel system to adopt in the -10 I am building, I am now thinking in putting the “Red cube” flow meter in the engine compartment, near the mechanical pump, and the filters in the wings roots, leaving only the fuel pump “buried” in the tunnel.
What do you think about the “red cube” near the mechanical pump?
And what about putting the filters (2) in both wing roots? Do you recommend putting filters or gascolators here?
Best regards
Carlos
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partner14
Joined: 12 Jan 2008
Posts: 540
Location: Granbury Texas
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| Posted: Sat Jul 27, 2013 5:37 am Post subject: Fuel system revisited |
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Filters in wings, yes....cube by mechanical, not so good....install it between the servo and spider.Don McDonald
From: Carlos Trigo <trigo(at)mail.telepac.pt>;
To: <rv10-list(at)matronics.com>;
Subject: Fuel system revisited
Sent: Sat, Jul 27, 2013 12:46:54 PM
Fellow RV-10 builders and aviators
Following some recent considerations about the fuel system to adopt in the -10 I am building, I am now thinking in putting the “Red cube” flow meter in the engine compartment, near the mechanical pump, and the filters in the wings roots, leaving only the fuel pump “buried” in the tunnel.
What do you think about the “red cube” near the mechanical pump?
And what about putting the filters (2) in both wing roots? Do you recommend putting filters or gascolators here?
Best regards
Carlos
[quote][b]
| | - The Matronics RV10-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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Don A. McDonald
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carl.froehlich(at)verizon
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| Posted: Sat Jul 27, 2013 5:47 am Post subject: Fuel system revisited |
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There are a lot of options. I have the filter, fuel pump and flow sender in the tunnel per plans and have no issues. The fuel totalizer is always within half a gallon when I fill up. That said, the most accurate place to put the red cube is between the throttle body and the spider (I did that on my 8A). So if you go away from plans you may as well put it in the best spot. Do not however hard mount it to the engine. For the 8A I enclosed the flow sender in a large fire sleeve. I figured this to be my back up plan for the 10 if the red cube did not work in the tunnel.
I do not find it difficult to service the filter with it mounted in the stock position in the tunnel. On annual you are taking the seats out and tunnel cover off anyway - that's 90% of the effort to get to the fuel filter.
Filers only - there is no value of installing a gascolator in a low wing airplane other than the inherent filter element in the gascolator. Water collects in a gascolator when it is mounted in the lowest spot of the fuel system. With the aircraft parked water slowly gravity drains to that low point. The gascolator provides no mechanical water separation function with flowing fuel. For a low wing airplane you cannot mount the gascolator such that the inlet is below the bottom of the fuel tank. The fuel tank sump is the means to detect and remove water from the tank.
Carl
120 hours
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Carlos Trigo
Sent: Saturday, July 27, 2013 8:47 AM
To: rv10-list(at)matronics.com
Subject: Fuel system revisited
Fellow RV-10 builders and aviators
Following some recent considerations about the fuel system to adopt in the -10 I am building, I am now thinking in putting the “Red cube” flow meter in the engine compartment, near the mechanical pump, and the filters in the wings roots, leaving only the fuel pump “buried” in the tunnel.
What do you think about the “red cube” near the mechanical pump?
And what about putting the filters (2) in both wing roots? Do you recommend putting filters or gascolators here?
Best regards
Carlos
| Quote: | | http://www.matronics.com/Navigator?RV10-List |
0123456789
[quote][b]
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tfarrell839
Joined: 10 Nov 2012
Posts: 27
Location: Watsonville, CA
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| Posted: Sat Jul 27, 2013 6:26 am Post subject: Fuel system revisited |
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I give a 3rd vote for the cube just before spider. Keep it away from pumps when possible. They, sometimes, seem to be affected by the pulsations of the pumps.
Sent from my iPhone
On Jul 27, 2013, at 9:46 AM, "Carl Froehlich" <carl.froehlich(at)verizon.net (carl.froehlich(at)verizon.net)> wrote:
[quote] <![endif]--> <![endif]-->
There are a lot of options. I have the filter, fuel pump and flow sender in the tunnel per plans and have no issues. The fuel totalizer is always within half a gallon when I fill up. That said, the most accurate place to put the red cube is between the throttle body and the spider (I did that on my 8A). So if you go away from plans you may as well put it in the best spot. Do not however hard mount it to the engine. For the 8A I enclosed the flow sender in a large fire sleeve. I figured this to be my back up plan for the 10 if the red cube did not work in the tunnel.
I do not find it difficult to service the filter with it mounted in the stock position in the tunnel. On annual you are taking the seats out and tunnel cover off anyway - that's 90% of the effort to get to the fuel filter.
Filers only - there is no value of installing a gascolator in a low wing airplane other than the inherent filter element in the gascolator. Water collects in a gascolator when it is mounted in the lowest spot of the fuel system. With the aircraft parked water slowly gravity drains to that low point. The gascolator provides no mechanical water separation function with flowing fuel. For a low wing airplane you cannot mount the gascolator such that the inlet is below the bottom of the fuel tank. The fuel tank sump is the means to detect and remove water from the tank.
Carl
120 hours
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Carlos Trigo
Sent: Saturday, July 27, 2013 8:47 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: RV10-List: Fuel system revisited
Fellow RV-10 builders and aviators
Following some recent considerations about the fuel system to adopt in the -10 I am building, I am now thinking in putting the “Red cube” flow meter in the engine compartment, near the mechanical pump, and the filters in the wings roots, leaving only the fuel pump “buried” in the tunnel.
What do you think about the “red cube” near the mechanical pump?
And what about putting the filters (2) in both wing roots? Do you recommend putting filters or gascolators here?
Best regards
Carlos
0123456789
0
[b]
| | - The Matronics RV10-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?RV10-List |
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_________________
Tim Farrell
Aircrafters
831-722-9141 |
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robin(at)PaintTheWeb.com
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| Posted: Sat Jul 27, 2013 12:13 pm Post subject: Fuel system revisited |
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Check the Archives for photos of Sean’s Red Cube placement between the Servo & Spider.
Robin
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Tim Farrell
Sent: Saturday, July 27, 2013 7:26 AM
To: rv10-list(at)matronics.com
Subject: Re: RV10-List: Fuel system revisited
I give a 3rd vote for the cube just before spider. Keep it away from pumps when possible. They, sometimes, seem to be affected by the pulsations of the pumps.
Sent from my iPhone
On Jul 27, 2013, at 9:46 AM, "Carl Froehlich" <carl.froehlich(at)verizon.net (carl.froehlich(at)verizon.net)> wrote:
| Quote: |
There are a lot of options. I have the filter, fuel pump and flow sender in the tunnel per plans and have no issues. The fuel totalizer is always within half a gallon when I fill up. That said, the most accurate place to put the red cube is between the throttle body and the spider (I did that on my 8A). So if you go away from plans you may as well put it in the best spot. Do not however hard mount it to the engine. For the 8A I enclosed the flow sender in a large fire sleeve. I figured this to be my back up plan for the 10 if the red cube did not work in the tunnel.
I do not find it difficult to service the filter with it mounted in the stock position in the tunnel. On annual you are taking the seats out and tunnel cover off anyway - that's 90% of the effort to get to the fuel filter.
Filers only - there is no value of installing a gascolator in a low wing airplane other than the inherent filter element in the gascolator. Water collects in a gascolator when it is mounted in the lowest spot of the fuel system. With the aircraft parked water slowly gravity drains to that low point. The gascolator provides no mechanical water separation function with flowing fuel. For a low wing airplane you cannot mount the gascolator such that the inlet is below the bottom of the fuel tank. The fuel tank sump is the means to detect and remove water from the tank.
Carl
120 hours
From: owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com) [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Carlos Trigo
Sent: Saturday, July 27, 2013 8:47 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: RV10-List: Fuel system revisited
Fellow RV-10 builders and aviators
Following some recent considerations about the fuel system to adopt in the -10 I am building, I am now thinking in putting the “Red cube” flow meter in the engine compartment, near the mechanical pump, and the filters in the wings roots, leaving only the fuel pump “buried” in the tunnel.
What do you think about the “red cube” near the mechanical pump?
And what about putting the filters (2) in both wing roots? Do you recommend putting filters or gascolators here?
Best regards
Carlos
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No virus found in this message.
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| | - The Matronics RV10-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?RV10-List |
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