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- From: cid@athena.mit.edu (Derek H Cedillo)
- Subject: all earing Slip due to Gyroscopic moment
- Message-ID: <1992Aug13.160225.23824@athena.mit.edu>
- Sender: news@athena.mit.edu (News system)
- Nntp-Posting-Host: e40-008-9.mit.edu
- Organization: Massachusetts Institute of Technology
- Date: Thu, 13 Aug 1992 16:02:25 GMT
- Lines: 29
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-
-
- First of all, thanks to everyone who responded to
- my Mech E vs aero question.
- Im going to go ME and dabble in aerodynamcs, and Aerospace structures.
- now for the big part.
-
- I need some inof On the above topic.
- Im working on a new Under Race Lube system (URL)
- for High speed ball bearings. I want to compare
- results with Jet Lube with regards to
- Gyroscopic Slip.
- I have calculated the slip at various loads and sppeds.
- What I need is an accurate description of how theplot
- of Gyro Moment Vs. Thrust turns out.
- What Poplawski came out with in 1965 AsmE paper, doesnt correlate
- with oure data. Although we follow his method of calculating the
- moment. We get a sinusiodal curve where as he gets
- a peaked curve that looks like a vibration plot of critical damping.
- Any info on where I might be able to find some references would
- really be appreciated. Ive spent 3 days in the library, and
- although everyone mentins the Gyro Moment, no one explains
- the ralation.
-
- Thanks
-
-
- Derek
-
-