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Date: Mon, 31 Oct 2005 20:17:02 -0700
From: Bob White <rlwhite@comcast.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Break-In?
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Hi Tim,

The 13B has a factory oil level switch in the pan.  You don't want to
have to buy one of those things either.  After whining about the cost,
Mazda gave me the wholesale price.  I think it was $120 something.
Later I found out I could have salvaged the old one.  The wire was
broken off, but by breaking off some plastic potting around it I could
have gotten to it.

Bob W.

On Mon, 31 Oct 2005 18:34:03 -0800
"Tim Andres" <tim2542@sbcglobal.net> wrote:

> 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 :-(   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 :-) !
> 
>  
> 
> Tim 
> 
>   _____  
> 
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
> Behalf Of Joe Hull
> Sent: Monday, October 31, 2005 8:58 AM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Break-In?
> 
>  
> 
> Well my engine is just humming (roaring?) along. I starts every time, runs
> till I stop it, and it doesn't sound like it is missing or "hunting" - RPM
> is about 1400-1500 with the prop on.  All leaks are pretty much gone except
> for a persistent "weeping" on the oil level sensor on the pan that produces
> a drop over 8-12 hours but never drips?  It looks like the only way to fix
> that is to drain the oil and remove it and maybe the pan, and hit with some
> RTV.
> 
>  
> 
> I've run it now for about a total of 30 minutes in 3-4 different runs all of
> them under 2000 RPM - essentially at whatever I could get idle to be. The
> MicroTech is performing well. However, the Laptop Software what gives a
> graphical view of the Maps and the ability to log data requires more than a
> serial-cable to connect to the ECU. Apparently they sell a separate little
> gizmo ("dongle") that goes between the laptop serial-port and the
> serial-cable to the ECU. So I'm stuck with the 2 line handset for now.
> 
>  
> 
> Anyone have any more suggestions on break-in tasks? I re-read some archived
> posts on the subject. It sounds like I should keep it under 3000RPM for the
> first hour or so and then move it up.  Beyond that, and with no more leaks
> to fix, I'm at a loss to know what, if anything, I need to do. I really
> didn't expect it to be this easy.
> 
>  
> 
> Before first flight I want to have at least 10 hours of ground running done
> with at least 1 hour at or above 5000 RPM - and that 1 hour can't be the
> last hour. 
> 
>  
> 
> Should I be checking compression every so often? Timing? Tear the engine
> down and Mic all the parts :-) ? 
> 
>  
> 
> Thanx,
> 
> Joe Hull
> 
> Redmond (Seattle), Washington
> 
> Cozy MkIV #991 (working on Engine & Electrical & Finishing)
> 
>  <http://www.maddyhome.com/canardpages/pages/JoeHull/index.html>
> http://www.maddyhome.com/canardpages/pages/JoeHull/index.html
> 
>  
> 
>  
> 
> 


-- 
http://www.bob-white.com
N93BD - Rotary Powered BD-4 (projected engine start in November)
Custom Cables for your rotary installation -
http://www.roblinphoto.com/shop/