Mailing List flyrotary@lancaironline.net Message #27143
From: John Slade <sladerj@bellsouth.net>
Subject: RE: [FlyRotary] It's a Start!
Date: Mon, 24 Oct 2005 00:15:00 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Congrats, Joe.
Making noise for the first time is a wonderful feeling.
That fuel pressure sounds a bit high. Should be closer to 40. Is it properly calibrated?
 
3500-4000 rpm with a closed throttle! After 2 seconds of hysteria I turned the key to off  
Been there. Done that. Except that I was in the hangar with a prop on, and a pretty Velocity 6 feet off the nose. I barely got it stopped in time. :)
 
Ah ha! The rear (#2) rotor’s injector wasn’t firing. 
Someone has to say it, so I'll guess it might as well be me.  The rotary was designed for 4 injectors, not 2. Loose one on take off and, well, we all know what can happen. The engine will run perfectly well on one set of injectors and one set of plugs, but I wouldn't dream of taking off with one of these systems not working. Am I missing something? Why did Atkins design out this important redundancy?
 
Regards,
John
 
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