Re: Tachometer Help?!!

[rmyers@olie.wvitcoe.wvnet.edu (Robert Myers)]

o 
o > I want to add an RPM warning light to my 86 4kq autox race car.  I have 
o > learned that aftermarket tachs with lights and a tell tale are not made 
o > for the 5 cylinder motor.
o > 
o > The idea I had was to use 2 LEDs from radio shack and attach them to 
o > the tach.  One would light under a preset RPM (4000) and the other 
o > would light over another preset RPM (6500).  Any ideas on how to do 
o > this or if it is possible?  I would mount the LEDs inside my helmet and 
o > connect via a cord.  Kinda like my own HUD.  I think it will help me 
o > and, more importantly, psych-out the competition ;-)
o > 
o A friend and former colleague created a circuit that added a tattletale 
o to a tachometer.  When the first message (I think it was Jeff G.) came
o through I copied it to him.  He just got back to me and said that he 

---snip---

Would the an audible alarm in addition to the tattletail visible alert 
make sense?  That way you wouldn't have to take your eyes off the track.  
Hmmm.  Maybe your peripheral vision is better than mine...

-- 
Bob
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