A call to the electrical engineers of the list

[brianm@zbt62.eastnet.gatech.edu (Brian McGarvey)]

you konw folks were are in the age of solid state electronics.
where as 20hz is fast for a relay its really slow for power electronics.
brian

On Tue, 12 Mar 2002, Brad Sheridan wrote:

>
> The ones I have seen, dont have a fixed pulsewidth, but rather a fixed
> frequency they are working with. This is 5,10 or 20 hZ, from what I have
> seen available. The quicker you pulse the solenoids, the shorter life
> expectancy they will have. Also, dont use a relay to drive the solenoids if
> you are going to pulse them, the relay switches too slowly, and they dont
> like being pulsed like that. You'll need something along the lines of an
> ignition coil driver to do that...
>
> Brad
>
> >>On Mon, 11 Mar 2002, Allyn wrote:
> >>
> >> > I got you covered. Also if you can find out what pulse width the
> >>variable nos controllers use i can
> >> > make you a programmable ramp-up from x rpm minimum nos to y rpm full
> >>nos.
> >> > Al
> >> >
> >> > ----- Original Message -----
> >> > From: "Night Shadow" <soltwede@privateI.com>
> >> > To: "Scirocco List" <scirocco-l@scirocco.org>
> >> > Sent: Monday, March 11, 2002 10:54 PM
> >> > Subject: A call to the electrical engineers of the list
> >> >
> >> >
> >> > >
> >> > >
> >> > > Hey guys,
> >> > >
> >> > > I am in need of a simple device for my NOS setup, and I don't want to
> >> > > spend big bucks on a NOS controller.  What I want is an RPM sensing
> >>switch
> >> > > that will only turn on at or above a certain RPM.  How hard/expensive
> >>is
> >> > > this to build, and anyone willing to design something for me?
> >> > >
> >> > > --
> >> > > Eric
> >> > > Northglenn, CO
> >> > >
> >> > > 76 Honda CB400F Super Sport
> >> > > 80 Scirocco (Parts car again, no more DD duty)
> >> > > 81 Scirocco S (2.0 16v swap and complete restoration in progress)
> >> > > 81 Rabbit Truck LX Diesel (THE NEW RIDE)
> >> > > 91 Cabriolet (2.0 Crossflow 8v swap and mechanical rebuild in
> >>progress)
> >> > > 00 Golf GL TDI (Katy is driving this for now)
> >> > >
> >> > > "For Aquarians, the physics of loopholes is a perfectly valid
> >>science."
> >> > > -Kelli Fox
> >> > >
> >> > >
> >> > > _______________________________________________
> >> > > Scirocco-l mailing list
> >> > > Scirocco-l@scirocco.org
> >> > > http://neubayern.net/mailman/listinfo/scirocco-l
> >> >
> >>
> >>--
> >>Eric
> >>Northglenn, CO
> >>
> >>76 Honda CB400F Super Sport
> >>80 Scirocco (Parts car again, no more DD duty)
> >>81 Scirocco S (2.0 16v swap and complete restoration in progress)
> >>81 Rabbit Truck LX Diesel (THE NEW RIDE)
> >>91 Cabriolet (2.0 Crossflow 8v swap and mechanical rebuild in progress)
> >>00 Golf GL TDI (Katy is driving this for now)
> >>
> >>"For Aquarians, the physics of loopholes is a perfectly valid science."
> >>-Kelli Fox
> >>
> >>
> >>_______________________________________________
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> >
> >
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