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jchang10
Joined: 05 Jul 2006
Posts: 227
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 Posted: Mon Aug 22, 2011 7:21 am Post subject: Oil Breather Exit Tube too Short? |
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I had a visiting A&P comment that I should try and extend the oil breather tube exit a bit more. A tiny bit of extension he said would help.
Right now, my exit is a good 2 inches above the bottom of the firewall and cowl exit area. He thought a lot of oil vapor and general messiness will result in the bottom of the firewall with the oil breather exit there.
Can anyone commend on their firewall messines? Did anyone try extending theirs?
Jae
40533
Final assembly
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rv10rob(at)gmail.com
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| Posted: Mon Aug 22, 2011 7:48 am Post subject: Oil Breather Exit Tube too Short? |
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Mine is as you describe. I expected to see a lot of oil, too, but I'm not.
-Rob
On Mon, Aug 22, 2011 at 8:21 AM, jchang10 <jc-matronics_rv10(at)jline.com (jc-matronics_rv10(at)jline.com)> wrote:
| Quote: | --> RV10-List message posted by: "jchang10" <jc-matronics_rv10(at)jline.com (jc-matronics_rv10(at)jline.com)>
I had a visiting A&P comment that I should try and extend the oil breather tube exit a bit more. A tiny bit of extension he said would help.
Right now, my exit is a good 2 inches above the bottom of the firewall and cowl exit area. He thought a lot of oil vapor and general messiness will result in the bottom of the firewall with the oil breather exit there.
Can anyone commend on their firewall messines? Did anyone try extending theirs?
Jae
40533
Final assembly
Read this topic online here:
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Rob Kochman
RV-10 Flying since March 2011
Woodinville, WA
http://kochman.net/N819K
[quote][b]
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pitts_pilot(at)bellsouth.
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| Posted: Mon Aug 22, 2011 7:51 am Post subject: Oil Breather Exit Tube too Short? |
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He's right. It really should be a couple of inches below the bottom of the firewall. Also, about two inches above the bottom of the firewall, cut a notch in the tube and then use a chisel or other pointy tool to bend the top of the notch into the tube .... like a whistle. This will allow the crankcase pressure to escape if the bottom end of the tube ices over yet keeps the oily stuff out of the cowl.
Linn
On 8/22/2011 11:21 AM, jchang10 wrote: [quote] | Quote: | --> RV10-List message posted by: "jchang10" <jc-matronics_rv10(at)jline.com> (jc-matronics_rv10(at)jline.com)
I had a visiting A&P comment that I should try and extend the oil breather tube exit a bit more. A tiny bit of extension he said would help.
Right now, my exit is a good 2 inches above the bottom of the firewall and cowl exit area. He thought a lot of oil vapor and general messiness will result in the bottom of the firewall with the oil breather exit there.
Can anyone commend on their firewall messines? Did anyone try extending theirs?
Jae
40533
Final assembly
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=350214#350214
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[b]
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pitts_pilot(at)bellsouth.
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| Posted: Mon Aug 22, 2011 8:00 am Post subject: Oil Breather Exit Tube too Short? |
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On 8/22/2011 11:46 AM, Rob Kochman wrote: | Quote: | Mine is as you describe. I expected to see a lot of oil, too, but I'm not.
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Yet. It depends on how tight the rings are. But a little oil keeps things from rusting. 
Linn
[quote]
-Rob
On Mon, Aug 22, 2011 at 8:21 AM, jchang10 <jc-matronics_rv10(at)jline.com (jc-matronics_rv10(at)jline.com)> wrote:
--
Rob Kochman
RV-10 Flying since March 2011
Woodinville, WA
http://kochman.net/N819K
[b]
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flysrv10(at)gmail.com
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| Posted: Mon Aug 22, 2011 12:07 pm Post subject: Oil Breather Exit Tube too Short? |
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Mine is just above the exhaust pipe. Expecting that the drips would burn. Some still shows up once in a while.
Rob Kermanj
Sent from my iPhone
On Aug 22, 2011, at 10:57 AM, Linn Walters <pitts_pilot(at)bellsouth.net (pitts_pilot(at)bellsouth.net)> wrote:
[quote] On 8/22/2011 11:46 AM, Rob Kochman wrote: | Quote: | Mine is as you describe. I expected to see a lot of oil, too, but I'm not.
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Yet. It depends on how tight the rings are. But a little oil keeps things from rusting.
Linn
[b]
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http://www.matronics.com/Navigator?RV10-List |
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