Yeah, now that I have a 1970 Roadster, I know that the throttle lock
exists, but was warned (by a Roadster website that shall remain
anonymous) to NEVER use this as a cruise control, as there is no
mechanism to disengage when braking.
I was hoping he was either (a) joking or (b) using some aftermarket
product.
--- The Dread Pirate Roberts <svgkm@halley.ca.essd.northgrum.com>
wrote:
> He's referring to the throttle lock - in the late model cars it's on
> the far left of the
> dash, below the windshield washer knob. Pull out to set the throttle
> and lock it with a
> quarter turn (or so) clockwise. The wisdom of it's use as a "cruise
> control" while
> underway is subject to debate.
>
> Gary McCormick
> San Jose, CA
>
> Adam Bradley wrote:
>
> > What cruise control on a Datsun Roadster???
> >
> > --- "Patrick P. Castronovo" <slick1@mohaveaz.com> wrote:
> > > Well you could always engage the Cruise Control to maintain
> speed.
> > >
> > > -----Original Message-----
> > > From: snyler <marc@animalfirm.com>
> > > To: Ryan, Richard <RRyan@frk.com>; 'datsunmike'
> > > <datsunmike@nyc.rr.com>;
> > > 'Datsun Roadsters' <datsun-roadsters@autox.team.net>
> > > Date: Friday, February 09, 2001 2:23 PM
> > > Subject: RE: Gas Mileage
> > >
> > >
> > > >Ryan, Richard wrote
> > > >
> > > >>So the real question is: At which rpm (3,200 or 4,000) does the
> > > engine
> > > >>produce 30 hp most efficiently.
> > > >>
> > > >>And the answer is: Beats the hell outta me. I don't have any
> > > engine
> > > >>design info that I can use to get the answer. Some have
> commented
> > > that
> > > >>changing axle ratios and/or tire sizes will change the
> equation.
> > > That is
> > > >>correct because changes the 2 rpm points and the efficiency
> will be
> > > >>different at those rpm.
> > > >Find out empirically. Plot out a flat level run on the
> interstate
> > > of,
> > > >say 35 miles out, and 35 miles back. Use a gas station as your
> base
> > > camp.
> > > >Fill the tank. Make your first run at 70 mph in 4th gear, 35
> mi.
> > > out, 35
> > > >mi back. Fill the tank at the same pump and record how much
> fuel it
> > > >takes. Make run #2 :35 mi out, 35 mi back, at 70 mph in 5th
> gear.
> > > Fill
> > > >up at the same pump and record how much fuel it takes. The run
> that
> > > >takes less fuel is obviously the more efficient. The 4th gear
> run
> > > will
> > > >spin the motor 56,000 more times on our 70 mile, 1 hour trip.
> Hard
> > > to
> > > >imagine that your foot would be lighter on the gas in 4th than
> 5th
> > > to
> > > >maintain 70 mph. I'm guessing you'd do better in 5th, but only
> > > >experimentation will tell us for sure.
> > > >
> > > >-marc
> > > >
> > >
> >
>
>==========================================================================
> > > >Marc Tyler
> > > >Designer,
> > > >Animal Firm
> > > >830-324-6578
> > > >www.animalfirm.com
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