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Ed, It is interesting to note that the Curtis-Wright rotary engine had the long axis of the throchoid at about 45° with the plugs on the high side! Semi plugs up. The exhaust port was near the bottom. So your way of thinking has support. I've never thought plugs up was bad, just certain people do. You do have to have a better fabrication ability than conventional installs. the lack of available equipment is the biggest drawback.
Bill Jepson
-----Original Message-----
From: Ed Anderson <eanderson@carolina.rr.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Mon, 25 Jun 2007 10:34 am
Subject: [FlyRotary] Re: Method of killing power??
Good point, Bill. Mine will slowly leak down through the pressure regulator, but not fast enough to preclude potential flooding with a leaky injector. But in my case, "Plugs Up", any fuel that enters the combustion chamber simply drains out the exhaust port(on the bottom) and since the plugs are at the highest point, there is less likelihood of any liquid gas entering into the spark plug cavity and drowning the plugs. This is the reason why flooding is not a significant event for the plugs up.
Ed
----- Original Message ----- From: <wrjjrs@aol.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Monday, June 25, 2007 10:29 AM
Subject: [FlyRotary] Re: Method of killing power??
Ed and Chris,
One item of note is if your EFI uses the small orifice bleed to prevent
vapor lock the system will depressurize. This will prevent flooding
even if one of your injectors has minor leakage.
Bill Jepson
-----Original Message-----
From: Ed Anderson <eanderson@carolina.rr.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sun, 24 Jun 2007 7:18 am
Subject: [FlyRotary] Method of killing power??
Chris mentioned he favored stopping his engine by turning off the fuel
pumps, I turn mine off by killing the injector power switches. But,
this made me wonder how other folks stop their engines. Might be
interesting to know.
To everyone running a rotary engine and particularly flying with one -
what is your normal method of killing the engine.
1. Turning off Main Power
2. Turning off EC2 Power
3. Turning off ignition
4. Turning off Fuel Pumps
5. Turning off injectors
6. Other
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.dmack.net/mazda/index.html
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.dmack.net/mazda/index.html
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