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- Newsgroups: rec.motorcycles
- Path: sparky!uunet!tcsi.com!sparcplug!markk
- From: markk@tcs.com (Mark Kromer)
- Subject: Re: What would you ride on a long distance trip?
- In-Reply-To: tomes@iastate.edu ()
- Message-ID: <1992Nov18.020307.19538@tcsi.com>
- Originator: markk@sparcplug
- Sender: markk@tcs.com
- Reply-To: markk@tcs.com (Mark Kromer)
- Organization: Teknekron Communications Inc.
- References: <BxvKzz.2n1@apollo.hp.com> <1992Nov17.203709.6242@spdc.ti.com> <1992Nov17.214052.460@mksol.dseg.ti.com> <Bxw183.92L@news.iastate.edu>
- Date: Wed, 18 Nov 1992 02:03:07 GMT
- Lines: 24
-
- In article <Bxw183.92L@news.iastate.edu>, tomes@iastate () writes:
-
- >BTW, for those about to flame me for riding a pig, that 'pig'
- >can easily do the DOT test for the displacement range two sizes smaller, and
- >seems to have no problem keeping up with the local twistie-loving crowd.
- >What non'Wing riders don't seem to understand is that the flat four and
- >transmission are within a foot and a half of the ground. Where is the CG
- >of their sportbike's engine/trans? Angular momentum is the primary
- >determinant of handling, about the pivots described by the tire contact
- >patches.
-
- At turn in, the motorcycle rotates about the cg not the contact
- patches. Re: countersteering. Low polar moment in the transverse
- plane (and in the longitudinal plane but for different reasons) is the
- key, not low cg. Keep the mass concentrated as close to the cg as
- possible.
-
- Winter's approaching, time for the "how does a motorcycle turn" flame
- fest again.
-
- --
- )V(ark)< markk@tcs.com DoD #400
- 1988 FZR400 1985 ZX900 Ninja 1977 RD400D
- TCSI Berkeley, CA USA (510) 649-3781
-