On Tue, 7 Jan 1997, Erik O wrote: > List, > > I like the ideas of some listmembers reguarding a master computer to > moniter engine specs. My question, can a digital tach. be produced > inexpensively and if so what would it take. For instance, stationary > bikes have tachs that measure the rotation speed of the front tire. > Couldn't a digital meter of some sort be hooked into one of the plug > wires to measure RPM? > > Erik > 87 Syncro Westy > Well, there should be a way of just counting the pulses of the negative side of the coil, like most tach's do...but, on tthe other hand.. in my digikey catalog: "Tachometer Counter Omron's self powered tachometer is completely selectable for RPM or RPS measurement. [wouldnt we all love to know exactly how many rotations per second...:] On board rotary switches allow you to set your multiplier/divider network. Tachometer reads up to 10KHz maximum. [blahblah stats you can ask for if you want them..] Max counting speed 1kcps - Gate time- 1 second 10kcps - gate time 1second..."
5 diget lcd display, .2" high (display that is..:) runs off DC pulses...would be a fun toy fer a car..:) anyhow, part# Z869-ND price? 1- 87.38 25- 2022.75 50- 3775.80
expensive little toy, eh?:) but nice....
later...david -- Mo.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.o.oM Keeper Of The Light: Pushing Back The Darkness at http://www.armory.com/~y21cvb/west/darkness.html ex'74 Super http://www.armory.com/~y21cvb ex '68 Beetle '75 Retired Westy-Canadian Model, Cody '69 Westy-Itchigo xi8940@freenet.tlh.fl.us
|
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.