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Date: Tue, 01 Nov 2005 09:08:31 -0600
From: Jim Sower <canarder@frontiernet.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Break-In?
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True enough. But if it's reliable and sufficiently generic, it might 
serve Lycoming owners (of which, sadly, I am one) well. As you are 
probably aware, one of the more interesting features of Lycs is the 
front seal, which has a nasty habit of "falling out" at irregular 
intervals for reasons best known to itself (most recent example: just a 
few hours TTSN). Major thread around that on the Cozy list as we speak. 
The problem is aggravated with pushers since we have no way to detect 
the failure until the oil pressure goes to zero, and that's pretty late 
in the game.

What's it look like? How does it work? How is it installed? ... Jim S.

Ed Anderson wrote:

> Its interesting to see the interest in an oil level sensor for the 
> Rotary. In my opinion, its totally unneeded - if you plan to mix 2 
> cycle oil with your gas. I think the main reason Mazda went with it is 
> because in the auto you do inject crankcase oil and early on folks ran 
> the sump dry not realizing what this really meant to oil "consumption."
> In 400 hours of running a 13B and 300 flying with a 13B I have yet to 
> add a single quart of oil between oil changes. In fact, I've had to 
> remove oil (excess 2 cycle scavenged from the combustion chamber 
> walls) from my sump.
> Certainly, I don't think an oil level sensor is going to hurt 
> anything, but unless you are going to inject crankcase oil, I 
> personally don't think it buys you anything in the aircraft - I mean 
> you are going to check the oil level before each flight are you not?
> 0.02 worth
> Ed A
>
>     ----- Original Message -----
>     *From:* Joe Hull <mailto:JoeH@PilgrimTech.com>
>     *To:* Rotary motors in aircraft <mailto:flyrotary@lancaironline.net>
>     *Sent:* Tuesday, November 01, 2005 1:14 AM
>     *Subject:* [FlyRotary] Re: Break-In?
>
>     Hi Joe, Tim down in Redding. Congratulations on getting your
>     project started. Just wondering what you are using for an oil
>     level sensor. This has come up recently and it’s something I would
>     like to have on my project. I’m still following the rotary
>     progress and would like to go that route but have recently
>     purchased a Lycoming L I came across a good used one at a fair
>     price and current plan is to get the plane flying and then convert
>     later, after you work out all the bugs for me J !
>
>     Tim
>
>     Hey Tim,
>
>     The oil level sensor is a standard Mazda sensor that is in the oil
>     pan. If I recall it is float operated and the lead goes to ground
>     when the oil is low. I’ve got it hooked up to an LED on my
>     instrument panel.
>
>     My son may be going back to college in Redding in January. If so,
>     I’ll try to remember to look you up and take a look at your Cozy.
>
>     Joe Hull
>
>     Redmond (Seattle), Washington
>
>     Cozy MkIV #991 (working on Engine & Electrical & Finishing)
>
>     http://www.maddyhome.com/canardpages/pages/JoeHull/index.html
>