Mailing List flyrotary@lancaironline.net Message #13887
From: Steve Brooks <prvt_pilot@yahoo.com>
Subject: RE: [FlyRotary] Re: Injectors
Date: Wed, 15 Dec 2004 08:19:28 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Ed,
I think, though it's a guess, that I need the 550cc injectors in order to
get enough fuel for the turbo.  That's why I was thinking about leaving them
in the secondary, but going smaller in the primary to improve the low power
mixture.

What do you think ?

Steve

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On
Behalf Of Ed Anderson
Sent: Wednesday, December 15, 2004 8:01 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Injectors


Steve, I have attempted to use 550 CC injectors on two occasions and while I
flew with them for a while, I finally removed them for the reason you
cited - too rich at low rpms.  FWIW

Ed Anderson

----- Original Message -----
From: "Steve Brooks" <prvt_pilot@yahoo.com>
> Right now I'm running the stock 550cc injectors, but I'm considering
changing the primary injectors to 440cc, to help the low end mixture, and
leave the secondaries at 550cc, so that I still get sufficient fuel flow
with the turbo at higher power settings.

My thinking is that the 440cc injectors would allow me turn the fuel
pressure back up to 38 lbs. and hopefully still be able to tune the lower
end where only the primary injectors are supplying fuel.

Does anyone have experience doing this, hopefully with a turbo, or just
have
an opinion ?

Steve Brooks


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