Oil breather line exit location

Discussion of the Aerovee kit engine.

Oil breather line exit location

Postby Fastcapy » Sat Sep 13, 2014 11:32 pm

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Last edited by Fastcapy on Tue Feb 24, 2015 3:07 pm, edited 1 time in total.
Mike Beck
Oshkosh, WI (KOSH)
Sonex #1145 N920MB
Std Gear, Modified Aerovee, Rotec TBI, Dual Stick, Acro Ailerons
MGL Panel
Airworthiness: 10/24/13, First Flight: 05/18/14
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Re: Oil breather line exit location

Postby MichaelFarley56 » Sun Sep 14, 2014 8:36 am

I had a small amount of oil on the belly after every flight and it was bugging me so I added an air/oil separator which cured the issue. I haven't had an issue with it since!
Mike Farley
Waiex #0056 - N569KM (sold)
Onex #245
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Re: Oil breather line exit location

Postby mike.smith » Sun Sep 14, 2014 2:43 pm

Yes. I had my exit in that same location and it sucked the oil right out. I've since moved the outlet to its own hole in the cowl, with a slight forward-facing angle on the outlet, to get a little positive air into the tube, instead of the Coke bottle effect of air over the hole creating negative pressure. Has made a HUGE difference in the amount of oil on the bottom of the plane.

Mike Smith
Sonex N439M
Mike Smith
Sonex N439M
Scratch built, AeroVee, Dual stick, Tail dragger
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