Sorry, Neil. My test is CoF only. Maybe some of you other folks could come
up with some rough science of your own? I know the physics involved in the
COF but donot have a clue as to the rolling resistance afforded by soft
media...which I don't think the salt is...
mayf
----- Original Message -----
From: "Albaugh, Neil" <albaugh_neil@ti.com>
To: "'Dave Dahlgren'" <ddahlgren@snet.net>; "'DrMayf'" <drmayf@teknett.com>
Cc: <land-speed@autox.team.net>
Sent: Wednesday, August 13, 2003 9:08 AM
Subject: RE: Bonneville Request
> Dave & mayf;
>
> Let me propose a slight addition to your "salt hardness test". In addition
> to "...dropping a sphere of a known weight and height and checking the
depth
> of the depression..." it would be useful to also measure the height that
> that sphere rebounds to. This will add a data point that measures the
> coefficient of restitution-- how much energy is lost by that deformation
and
> springback. My guess is that the higher the coefficient is, the less power
> is required to make that "rolling dent" in the salt surface. Sort of like
> the difference in a train wheel rolling on a steel rail and rolling in
sand.
>
> Regards, Neil Tucson, AZ
/// unsubscribe/change address requests to majordomo@autox.team.net or try
/// http://www.team.net/mailman/listinfo
/// Archives at http://www.team.net/archive
|