Josh Battles <josh@omg-stfu.com> wrote:
: jon@dakota-truck.net wrote:
:> "Josh Battles" <josh@omg-stfu.com> wrote:
:> [...]
:> : Don't forget, Ron's truck is a 4x4 and thus has more rolling resistance.
:> : That may account for some of the difference in time between his and Bernd's
:> : 2wd.
:>
:>
:> True. It would certainly add some weight which would show up
:> in the 1/4mi, but the hp and torque numbers given were both
:> rear wheel, so I would expect any additional resistance due
:> to the 4wd would already have been accounted for. So, I'm
:> assuming Ron's engine has a little more power than Bernd's
:> (at the time of comparison anyway) since the power numbers
:> were basically the same, but Ron's had to go through the
:> transfer case.
: Not necessarily, Dakotas don't have unlocking front hubs. Granted, most
: of that extra drivetrain resistance is already accounted for, however
: the rolling resistance of the front wheels turning the diff and
: driveshaft are not, as the dyno only measures at the rear wheels.
: Correct me if I'm wrong, but when you're in 2wd, all it does is
: disconnect the driveshaft at the t-case.
You're probably right. I didn't think of the extra weight
turning in front, I only considered the transfer case. Unless
of course those numbers were generated on an AWD dyno... which
I doubt. :-)
--
-Jon-
.-- Jon Steiger ---- jon@dakota-truck.net or jon@jonsteiger.com --.
| 1970 Barracuda - 1990 Dakota 'vert - 1992 Ram 4x4 - 1996 Dakota |
| 1996 Intruder 1400 - 1996 Kolb FireFly - 2001 Ram QC 3500 CTD |
`------------------------------------ http://www.jonsteiger.com --'
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