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Hi all. It seems like Leslie refers to the RPM restrictions McCauley was issuing after the C90 prop was brought to market. These limits were just a precaution, should not be an issue anymore regarding to McCauleys service Bulletin #13 See for yourself: http://members.aol.com/cooperjr/McCSB13.htm Hartmut N161LH 3B9 wrote: > ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- > > Ed, > > If I remember correctly, there have been some concerns regarding vibration > with certain props as well in the range of around 1800 to 2100 RPM. It > doesn't show up in the documentation, but I've heard the recommendation to > not hang around in that RPM range for extended stretches. Sorry for the > lack of specifics; can anybody fill in the blanks? > > Me, I cruise at 2475, fly the pattern at just a tisch below 1800 until > chopping back to 1500. > > Leslie Holbrook > Alon A2 N161LH (C-90 with a cruise prop) > Chester, CT 06412 > > >From: "Ed Burkhead" <[EMAIL PROTECTED]> > >Reply-To: <[EMAIL PROTECTED]> > >To: <[EMAIL PROTECTED]>, <[email protected]> > >Subject: RE: [COUPERS-TECH] static rpm > >Date: Fri, 21 Jun 2002 19:17:53 -0500 > > > >----[Please read http://ercoupers.com/disclaimer.htm before following any > >advice in this forum.]---- > > > > > > > > > >Check out Aircraft Specification A-787 at > >http://www.ercoupe.org/MembersOnly/PDFs/a-787.pdf > > > >For the aircraft that have the C-90, it simply lists 2475 rpm "for all > >operations." However, for specific propellers, there are static rpm limits > >of not under xxxx or over yyyy. yyyy is often around 2375. > > > >If you have a C-90 conversion, doesn't your STC list the limits or > >propeller > >requirements? > > > >Ed Burkhead > > > >-----Original Message----- > >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > >Sent: Friday, June 21, 2002 7:58 AM > >To: [email protected] > >Subject: [COUPERS-TECH] static rpm > > > >----[Please read http://ercoupers.com/disclaimer.htm before following any > >advice in this forum.]---- > > > > > >I have a c90 conversion in my coupe. I can not find listed in any of the > >manuals the recomended static rpm. also if any one has this converision i > >would be interested in knowing their range of rpm, static,max takeoff, max > >rpm, max crusing rpm. crusing speed. > >thanks, > >n99671 > >dick > >================================================================== > >TO UNSUBSCRIBE go to: http://ercoupers.com/lists.htm > > > > > > > > > >================================================================== > >TO UNSUBSCRIBE go to: http://ercoupers.com/lists.htm > > > > > > > > _________________________________________________________________ > MSN Photos is the easiest way to share and print your photos: > http://photos.msn.com/support/worldwide.aspx > > ================================================================== > TO UNSUBSCRIBE go to: http://ercoupers.com/lists.htm ================================================================== TO UNSUBSCRIBE go to: http://ercoupers.com/lists.htm
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