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In a message dated 7/12/01 10:30:05 PM Eastern Daylight Time, [EMAIL PROTECTED] writes: > McCauley CF7140 prop. Can any tell me > if there is a range of RPMs that are to be avoided except for a short time? > When McCauley first came out with the 1A90 series props there was a suspected resonance between it and the C75/C85 crank (as well as some A series). Experience eventually dispelled the suspicions and they issued a service bulletin rescinding the rpm restriction. Many aircraft TC's specify a decal displaying the restriction, but it should no longer be required. The text of the bulletin may be seen here: http://members.aol.com/cooperjr/McCSB13.htm John ==^================================================================ EASY UNSUBSCRIBE click here: http://topica.com/u/?aVxiLm.aVzvvT Or send an email To: [EMAIL PROTECTED] This email was sent to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
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