I fly a Forney F-1A with a C90-12F. I also experience 50-75 RPM drop during a 1700 RPM run-up.
Regards Chuck McKinnie N3050G, GEU -----Original Message----- From: Wes Hays <[EMAIL PROTECTED]> To: David M. Perozek <[EMAIL PROTECTED]>; [EMAIL PROTECTED] <[EMAIL PROTECTED]>; Steve Dold <[EMAIL PROTECTED]> Date: Monday, March 01, 1999 8:11 PM Subject: Re: Carb heat, RPM drop >Coupers, >My RPM drop on runup is between 50 to 75 rpm. I don't know why there would >be so much difference. Maybe mine isn't working right, but I just got it >back from an annual and I know the timing was checked. >Wes Hays >Alon A-2 >C90-16F > >-----Original Message----- >From: David M. Perozek <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>; Steve Dold ><[EMAIL PROTECTED]> >Date: Monday, March 01, 1999 10:28 AM >Subject: Re: Carb heat, RPM drop > > >>I get a drop of about 150 RPM typically (M-10 w/ C 90 16F). >>Dave N9518V >>-----Original Message----- >>From: Steve Dold <[EMAIL PROTECTED]> >>To: [EMAIL PROTECTED] <[EMAIL PROTECTED]> >>Date: Sunday, February 28, 1999 10:38 PM >>Subject: Carb heat, RPM drop >> >> >>> >>>Say, what are you guys getting for your RPM drop during runup? >>>How about in flight? Our C-90 drops more than any other >>>plane I've flown, about 200 rpm, sometimes more. It gets really rich. >>> >>> >>> >
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