Mailing List flyrotary@lancaironline.net Message #56740
From: Chad Robinson <crobinson@medialantern.com>
Subject: Re: [FlyRotary] Eccentric Shaft Oil Jets
Date: Sat, 24 Sep 2011 18:08:28 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
On 9/24/2011 5:44 PM, Thomas Mann wrote:
I know that many use 2-cycle oil mixed in with the fuel for their your rotary engine.

If you run it that way, is there any need to have the Eccentric Shaft Oil Jets or could they be plugged?
Actually, one of the mods Tracy recommends in his rotary aviation conversion guide is to replace the ball/spring mechanism inside each jet with a fixed-size port to both increase flow and reliability. (IE, don't remove them!)

Oil cooling removes a third of the heat produced by the rotary. It's absolutely critical. The only thing the oil metering pump or premix alternative does is lubricate the apex seals, which have no other way of getting oil. The OMP weighs a bit and can be a failure point (plus it consumes your oil...) so premix is just a way of removing that component.

Regards,
Chad

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