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----- Original Message ----- From: "Bob Darrah" <RDarrah@austin.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Friday, September 22, 2006 2:15 PM
Subject: [FlyRotary] Re: It runs!
----- Original Message ----- From: <tonyslongez@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Friday, September 22, 2006 2:38 PM
Subject: [FlyRotary] Re: It runs!
Bob
quick question! why would it fire occasionaly in the worng spot any idea what would cause that?
Tony
Beats me, Tony, but the good news is with the coil wires spaced apart, I was able to get a better timing reading. I had it a little fast-retarded it to 35 degrees BTDC and it purrs like a kitten now. With no prop, it will idle as low as 800 RPM, and smoooothe. Whew!
And thanks, guys, for all your ideas.
Bob Darrah
Isn't 35 degrees BTDC way too early? I thought it should be closer to 25 degrees at idle. I understand 35 degrees is the mechanical ste point, and the controler retards from there to the proper timing.
If I put the single rotor at more than 30 degrees, it hardly runs at all.
FWIW
Richard Sohn
N-2071U
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