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From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Re: Engine rpm was  [FlyRotary] Life without a turbo....
Date: Fri, 16 Jun 2006 13:36:16 -0400
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>


On Jun 16, 2006, at 9:03 AM, Steve Brooks wrote:

> On Friday 16 June 2006 08:35 am, Bulent Aliev wrote:
> Buly,
>
> The static seems a bit low, if you are set for the finest pitch.  I  
> have a 72"
> IVO Magnum high pitch, but without the electric adjustment.  And  
> yes, I think
> that 72" is too big, but I haven't had the nerve to cut it down.
>
> I get about 5100 static with the pitch set to about mid range.  I  
> have set
> mine to fine pitch and seen 6000 static.
>
> I think that I'd try a little tuning to see if you can get the RPMs  
> up some
> before attempting a flight.  Try turning your mixture control more  
> rich, and
> and then more lean to see what it does to your your RPM.
>
> If you still have the turbo fuel injectors, you may need to narrow the
> injector pulse to lean it with the absence of the turbo.
>
> FWIT
>
> Steve Brooks

Thanks Steve. As I said this was only the first run without any  
tuning after removing the turbo. My injectors are the same as the 20B  
and maybe too large? I'll try your suggestions.
How can you swing 72" prop without damaging the runway? Max  
recommended is 70".
Buly