Re: Prop Questions
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jtenhave@mets.mq.edu.au <jtenhave@...>
Hi David,
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You and I are both right, but I should have been a bit more concise. I was referring to the remedial derating of the engine (i.e. reducing the RPM range out of resonance). This reduction enabled the jets to remain flying whilst the Rolls Royce engine designers stood in a circle taking turns to kick each others bums for overlooking the "not so obvious" and trying to explain to the bean counters why this "whoopsie" was going to cost several million dollars to fix. happy New Year to you all John -----Original Message-----
From: David J. Gall [SMTP:David@...] Sent: Monday, December 31, 2001 1:44 PM To: Q-LIST@... Subject: RE: [Q-LIST] Prop Questions John, You, of course, meant to say, "take the parts INTO the resonant range." David J. Gall -----Original Message----- From: jtenhave@... [mailto:jtenhave@...] Sent: Sunday, December 30, 2001 8:07 PM To: 'Q-LIST@...' Subject: RE: [Q-LIST] Prop Questions Richard, and the TBO is......?< snip, snip... > From memory 6% change in RPM was all that was required to take theparts out of the resonant range. To unsubscribe from this group, send an email to: Q-LIST-unsubscribe@... Quickie Builders Association WEB site http://www.quickiebuilders.org Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ |
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