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Hi Steve,
Mine is wired the same way. That's the way Jim Bede designed it, and I
suspect it must be the way at least some of the GA planes are wired.
I'm thinking about changing it around as I can't charge both batteries
at the same time without turning on the master switches. (Normal bus
and critical bus that I added.) I'll have to think about the
consequences a little more though.
I'm pretty sure I got it stopped by killing the fuel pump also, but I
was madly turning off every switch I could get my hands on. Probably
the quickest would have been to pop the circuit breaker on the EC2 but
that would have required too much thinking time.
Bob W.
On Sun, 8 Jan 2006 08:54:38 -0500
"Steve Brooks" <prvt_pilot@yahoo.com> wrote:
> Bob,
>
> Congrats on the first start. I had a similar experience on my first start,
> but not at full throttle. I didn't have a prop, and had set the throttle
> stop to have a small amount of opening on the butterfly. I didn't realize
> how little air it takes to run a pretty high RPM. It fired up at a pretty
> high RPM, and when I killed the master, it kept running, because of the way
> I had wired the alternator, it was sustaining the electrical power to the
> engine. I finally shut off the fuel to get it stopped.
>
> Reading your report brought back some not so fond memories. Luckily these
> engines will take some abuse and not cause damage.
>
> Steve Brooks
> Cozy MKIV N75CZ
> Turbo Rotary
>
>
> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On
> Behalf Of Bob White
> Sent: Saturday, January 07, 2006 8:44 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] First Engine Start
>
>
>
> I'm happy to report that I actually started my engine today. The only
> terrifying event was due to a momentary brain fade on my part. For
> some reason I was thinking the throttle had to be all the way in to be
> off. Not sure why I got that into my head. Maybe because I've kept it
> in that position just so it was out of the way while I worked on the
> electrical for the last month. Any way, I cranked it over, it sort of
> fired a little but did't start. I hit the cold start switch and BAM,
> it took off at WOT. Sorry to say I don't know what the RPM reading was
> as I was flipping every switch I could get my hands on to get it
> stopped. Glad I had primed the oil pump with the starter the other
> day. So the first 10 seconds or so of my first start was at WOT. Also
> glad I had a prop on it.
>
> I got that all sorted out and restarted the engine. I ran it for 10-20
> minutes and noted some random parameters. Today's goal was to start the
> engine, not take data. I ran till the oil temp read 156 and water 182
> before I shut it down. Oil pressure at first start indicated 97 psi.
> I didn't check at shutdown.
>
> The gear box seemed to rattle around 1000 rpm, but it idles pretty good
> above 1200 or so. (I need to start reading some of the EC2 and EM2
> instructions.) I made no attempt to set mixture or anything, and all of
> the sensors are using the default settings. The actual values may
> change as I get calibration data. I do have Tracy's latest self
> adjusting mixture feature, and it did seem like the engine smoothed out
> as it ran.
>
> tried to take some video of the first start, but for some reason it
> didn't work. The tape moved but nothing was recorded. Later I recorded
> running the engine again. As soon as I relearn how to get it onto the
> computer, I will post a short clip on my web site.
>
> *Jerry Hey's Cool Tube Exhaust system.
>
> The best I can tell, this exhaust is doing a great job. I took one
> quick reading from the wing tip on the exhaust side of the plane. I
> saw 97 db on mode C and about 3000 rpm (Radio Shack sound meter). I
> will get more complete data in days to come. There were a half dozen
> people standing around watching all this, and no one mentioned anything
> about the exhaust noise.
>
> All I can say is I'm thrilled to reach this milestone.
>
> Bob W.
>
> --
> http://www.bob-white.com
> N93BD - Rotary Powered BD-4 (The engine is running)
> Custom Cables for your rotary installation -
> http://www.roblinphoto.com/shop/
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
>
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
--
http://www.bob-white.com
N93BD - Rotary Powered BD-4 (first engine start 1/7/06)
Custom Cables for your rotary installation -
http://www.roblinphoto.com/shop/
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