Bill,

Excellent point.  That was one of my concerns too.  I ended up changing to a different (shorter) temp sender that just barely protruded into the flow.  Worked out well.

 

Mark S. 

 

 

----- Original Message -----

From: Mark R Steitle

To: Rotary motors in aircraft

Sent: Tuesday, June 07, 2005 7:55 AM

Subject: [FlyRotary] Re: Tracy, EM-2 question

 

Bill,

I drilled an extra hole in the oil filter adapter for an extra pressure sensor.  Using this cool fitting (see attachment), I added a port to the front cover oil outlet for a temp sensor to enable me to measure the delta T through the oil cooler (temporary arrangement).  For coolant, I drilled an extra port in the thermostat housing for the extra coolant temp sensor.  I chose not to add a second coolant pressure sensor.  The fuel pressure regulator had an unused port that I used (with an adapter) for the extra fuel pressure sender, but I could have just as easily used a tee.

 

Mark S. 

 

---

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of David Leonard
Sent: Monday, June 06, 2005 10:36 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Tracy, EM-2 question

 

 

On 6/6/05, William <wschertz@ispwest.com> wrote:

Mark,

where did you put all the sensors?

 

Oil temp? Water pressure? etc.

Bill Schertz
KIS Cruiser # 4045

----- Original Message -----

From: Mark R Steitle

To: Rotary motors in aircraft

Sent: Monday, June 06, 2005 2:11 PM

Subject: [FlyRotary] Re: Tracy, EM-2 question

 

Bill,

I should have consulted with Tracy before I went down this road myself.  Anyway, I just installed redundant senders for oil, coolant, and fuel.  Temp sensors are very lightweight.  Pressure sensors are just a tad heavier.  I didn't get the extra data board on my EFIS, so EGT's & CHT's are on the EM-2 only.  Since the weight penalty of the EFIS-1 has already been paid, I figured why not go with engine instrument redundancy.  The only one I'm not satisfied with is the engine RPM on the EFIS-1.  It doesn't agree with the RPM readout on the EM-2.  Until proven otherwise, I'm assuming the EM-2 figure is correct.  Once I get the prop installed and can run it without fear of overspeed, I can put a prop tach on it and know for sure.  Then I can calibrate the EFIS-1 RPM's.  Be sure to calibrate all sensors! 

 

Mark S.       

 

 

BTW, I am using the Blumountain EFIS Lite G3 and Love it (despite its continued minor issues)..  I mean, that thing is awesome.

--
Dave Leonard
Turbo Rotary RV-6 N4VY
http://members.aol.com/_ht_a/rotaryroster/index.html
http://members.aol.com/vp4skydoc/index.html

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