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johnh38(at)yahoo.com
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 Posted: Wed Oct 24, 2007 8:22 am Post subject: Fuel Pump & Flo-Scan wiring ? |
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I am installing the fuel system and am wondering if I should use Molex connectors or some other type of connector on the fuel pump and Flo-scan units for easy installation & removal (if necessary down the road). Any recommendations before I finalize this area? Or would I be better off using butt connectors with these wires? I want to make the connections as easy as possible when the time comes to wiring.
john
40102
[quote][b]
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recapen(at)earthlink.net
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| Posted: Wed Oct 24, 2007 8:34 am Post subject: Fuel Pump & Flo-Scan wiring ? |
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I put molex connectors just as you have described. Single pull disconnects all wires at once instead of two or three pulls depending on the number of connectors.
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jesse(at)saintaviation.co
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| Posted: Wed Oct 24, 2007 8:40 am Post subject: Fuel Pump & Flo-Scan wiring ? |
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This is all a matter of preference. You can use spade or knife splice connectors, butt splices, or a connector. A connector would be nice and easy to work with. I really like the CPC Connectors. D-Sub is too small for handling the current needed for the boost pump. I have never likes normal Molex connectors, but that’s just me.
Do not archive
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
www.saintaviation.com
Cell: 352-427-0285
Fax: 815-377-3694
From: John Hurst [mailto:johnh38(at)yahoo.com]
Sent: Wednesday, October 24, 2007 11:22 AM
To: rv10-list(at)matronics.com
Subject: Fuel Pump & Flo-Scan wiring ?
I am installing the fuel system and am wondering if I should use Molex connectors or some other type of connector on the fuel pump and Flo-scan units for easy installation & removal (if necessary down the road). Any recommendations before I finalize this area? Or would I be better off using butt connectors with these wires? I want to make the connections as easy as possible when the time comes to wiring.
john
40102
[quote] [b]
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pitts_pilot(at)bellsouth.
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| Posted: Wed Oct 24, 2007 12:55 pm Post subject: Fuel Pump & Flo-Scan wiring ? |
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My take on wiring items is to wire directly when possible and leave enough slack to install a Molex connector later. The caveat here is that there must be enough room to get the crimper and a hand to hold the wire. If the item has a pigtail, I might make a splice by spreading the strands (picture top of palm tree) and interfacing the two ends together, roll the 'bundle' together and solder. Don't forget the heat shrink.
Linn
do not archive
John Hurst wrote:
[quote]
I am installing the fuel system and am wondering if I should use Molex connectors or some other type of connector on the fuel pump and Flo-scan units for easy installation & removal (if necessary down the road). Any recommendations before I finalize this area? Or would I be better off using butt connectors with these wires? I want to make the connections as easy as possible when the time comes to wiring.
john
40102
[b]
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ricksked(at)embarqmail.co
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| Posted: Wed Oct 24, 2007 1:55 pm Post subject: Fuel Pump & Flo-Scan wiring ? |
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Personally, install the connector, while it's out and easy to do. Leave a service loop to allow for easier removal and to apply the correct amount of slack to the bundle. The advantage of a connector is it allows easy removal...think away from home base. A connector also allows you to easily trouble shoot for shorts and continuity. For the few extra minutes and cents...it makes sense. Remember this quote from a pioneer RV building:
"The more permanant yuo mqke a replacaible unit the more apt it is to flail."
James McClow
Rick S.
40185
Wiring DONE!!!!
---
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jesse(at)saintaviation.co
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| Posted: Wed Oct 24, 2007 3:08 pm Post subject: Fuel Pump & Flo-Scan wiring ? |
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I agree overall. The reason some people prefer to make a single splice permanently is that there is only one connection there instead of three (wire to pin, pin to socket, socket to wire) that can go bad. I have had a wire break on a crimp pin before, where it would not have broken on a splice, at the original installation, of course. The nice thing is that it is easier to troubleshoot, as you said, but it does allow more possibility of error into the system.
Again, I put connectors as many places as I can imagine having to disconnect sometime in the future. With N415EC, after being hit by the crashing Columbia, the recovery crew said it was the easiest disassembly of an airplane that they have done. With disconnects at all removeable parts, it all came apart quickly and cleanly, which I was also thankful for when it can time to reassemble. N256H is in the paint shop right now, disassembled, and I wish I had put disconnects on it as well. Reconnecting everything is going to be an absolute paint in the neck compared to a simple CPC “plug and twist” reassembly.
There are pros and cons to both.
Do not archive
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
www.saintaviation.com
Cell: 352-427-0285
Fax: 815-377-3694
From: Rick Sked [mailto:ricksked(at)embarqmail.com]
Sent: Wednesday, October 24, 2007 4:55 PM
To: rv10-list(at)matronics.com
Subject: Re: Fuel Pump & Flo-Scan wiring ?
Personally, install the connector, while it's out and easy to do. Leave a service loop to allow for easier removal and to apply the correct amount of slack to the bundle. The advantage of a connector is it allows easy removal...think away from home base. A connector also allows you to easily trouble shoot for shorts and continuity. For the few extra minutes and cents...it makes sense. Remember this quote from a pioneer RV building:
"The more permanant yuo mqke a replacaible unit the more apt it is to flail."
James McClow
Rick S.
40185
Wiring DONE!!!!
---
| | - 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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rene(at)felker.com
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| Posted: Wed Oct 24, 2007 3:58 pm Post subject: Fuel Pump & Flo-Scan wiring ? |
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I think I may be one of the exceptions……..most of my connections have be soldered. I left a maintenance loop in most of them and if I need to remove or replace something I will just cut the wires and re-solder. I also tried to make all my wire runs straight through, end to end. No connectors at the wing roots, etc. I am trying to eliminate as many possible failure points as I can. Of course, I could be all wrong and have created an enormous maintenance problem…..
Rene' Felker
N423CF
40322
801-721-6080
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of linn Walters
Sent: Wednesday, October 24, 2007 2:56 PM
To: rv10-list(at)matronics.com
Subject: Re: Fuel Pump & Flo-Scan wiring ?
My take on wiring items is to wire directly when possible and leave enough slack to install a Molex connector later. The caveat here is that there must be enough room to get the crimper and a hand to hold the wire. If the item has a pigtail, I might make a splice by spreading the strands (picture top of palm tree) and interfacing the two ends together, roll the 'bundle' together and solder. Don't forget the heat shrink.
Linn
do not archive
John Hurst wrote:
I am installing the fuel system and am wondering if I should use Molex connectors or some other type of connector on the fuel pump and Flo-scan units for easy installation & removal (if necessary down the road). Any recommendations before I finalize this area? Or would I be better off using butt connectors with these wires? I want to make the connections as easy as possible when the time comes to wiring.
john
40102
01234567
[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:
http://www.matronics.com/Navigator?RV10-List |
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jesse(at)saintaviation.co
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| Posted: Wed Oct 24, 2007 4:41 pm Post subject: Fuel Pump & Flo-Scan wiring ? |
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I think you brought up a point that really hit the nail on the head, although maybe a little backwards from the way you said it. I think the connectors may be a maintenance problem, not the continuous runs, because they are more likely to have a failure in normal use than a continuous wire. Where the connectors make the difference is if (read when?) you have to repair or upgrade in the future. If you could know the future of the plane, then the decision would be simple.
So, for maintenance – continuous wins
For Repair/Upgrade – connector wins
All IMHO.
PS. It’s really nice being able to wire your wings when they are on the stand, then hook up the wing root and wing tip connectors when you are ready to assemble. It also makes it really nice wiring the fuse without the wings and not having to leave a coil hanging out there to run through the wings.
By the way, the reason I am so talkative on this subject right now is I am in the process of doing wiring (to differing degrees) in 4 different planes, which will bring up the next e-mail with a different subject.
Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
www.saintaviation.com
Cell: 352-427-0285
Fax: 815-377-3694
From: Rene Felker [mailto:rene(at)felker.com]
Sent: Wednesday, October 24, 2007 6:57 PM
To: rv10-list(at)matronics.com
Subject: RE: Fuel Pump & Flo-Scan wiring ?
I think I may be one of the exceptions……..most of my connections have be soldered. I left a maintenance loop in most of them and if I need to remove or replace something I will just cut the wires and re-solder. I also tried to make all my wire runs straight through, end to end. No connectors at the wing roots, etc. I am trying to eliminate as many possible failure points as I can. Of course, I could be all wrong and have created an enormous maintenance problem…..
Rene' Felker
N423CF
40322
801-721-6080
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of linn Walters
Sent: Wednesday, October 24, 2007 2:56 PM
To: rv10-list(at)matronics.com
Subject: Re: Fuel Pump & Flo-Scan wiring ?
My take on wiring items is to wire directly when possible and leave enough slack to install a Molex connector later. The caveat here is that there must be enough room to get the crimper and a hand to hold the wire. If the item has a pigtail, I might make a splice by spreading the strands (picture top of palm tree) and interfacing the two ends together, roll the 'bundle' together and solder. Don't forget the heat shrink.
Linn
do not archive
John Hurst wrote:
I am installing the fuel system and am wondering if I should use Molex connectors or some other type of connector on the fuel pump and Flo-scan units for easy installation & removal (if necessary down the road). Any recommendations before I finalize this area? Or would I be better off using butt connectors with these wires? I want to make the connections as easy as possible when the time comes to wiring.
john
40102
| Quote: | | http://www.matronics.com/Navigator?RV10-List |
| Quote: | | http://forums.matronics.com |
[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:
http://www.matronics.com/Navigator?RV10-List |
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AV8ORJWC
Joined: 13 Jul 2006
Posts: 1149
Location: Aurora, Oregon "Home of VANS"
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| Posted: Wed Oct 24, 2007 5:41 pm Post subject: Fuel Pump & Flo-Scan wiring ? |
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Hail – Hail to the departed James McClow and those intrepid builders who followed in his visual and grammatical footsteps.
John C.
40600
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Rick Sked
Sent: Wednesday, October 24, 2007 2:55 PM
To: rv10-list(at)matronics.com
Subject: Re: Fuel Pump & Flo-Scan wiring ?
Personally, install the connector, while it's out and easy to do. Leave a service loop to allow for easier removal and to apply the correct amount of slack to the bundle. The advantage of a connector is it allows easy removal...think away from home base. A connector also allows you to easily trouble shoot for shorts and continuity. For the few extra minutes and cents...it makes sense. Remember this quote from a pioneer RV building:
"The more permanant yuo mqke a replacaible unit the more apt it is to flail."
James McClow
Rick S.
40185
Wiring DONE!!!!
---
| | - 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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