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Total 6 documents matching your query.

1. Smiths tach (score: 1): Author: "Ian Cowie" <ianhome@acohs.com.au>; Date: Wed, 8 Aug 2001 20:10:12 +1000; Hi fellow FOTers', Just been given by my friend and mentor (Chris Swingler) his 10,000 RPM Smiths tach he ran in his Spitfire back in the seventies. I am privileged! The tach has no markings other th; /html/fot/2001-08/msg00063.html (7,372 bytes)
2. Re: Smiths tach (score: 1): Author: "Matthew Wilder" <mwilder@top.monad.net>; Date: Wed, 8 Aug 2001 11:55:14 -0400; I bought a new Smiths impulse tach for the Lotus 7 I used to have. I can tell you from experiance that playing around with the polaraty on the coil to see what works best will fry your tach. However; /html/fot/2001-08/msg00064.html (7,072 bytes)
3. RE: Smiths tach (score: 1): Author: Bill Babcock <BillB@bnj.com>; Date: Wed, 8 Aug 2001 09:11:26 -0700; I'd use steering diodes externally to make it impossible to connect it incorrectly. Basically you make a full-wave rectifier and connect it to the voltage inputs for the device, then cover those inpu; /html/fot/2001-08/msg00067.html (8,519 bytes)
4. RE: Smiths tach (score: 1): Author: Ed.Barnard@marconi.com; Date: Wed, 8 Aug 2001 16:05:17 -0500; The only issue with that method may be the .7 volt drop between each diode. What will that do to the accuracy of the tach reading? Ed Barnard Bill Babcock <BillB@bnj.com>@autox.team.net on 08/08/200; /html/fot/2001-08/msg00078.html (9,028 bytes)
5. RE: Smiths tach (score: 1): Author: Bill Babcock <BillB@bnj.com>; Date: Wed, 8 Aug 2001 14:13:08 -0700; Probably nothing since it's the power supply leads that we're talking about, not the signal lead. I don't know about ancient tech like an electronic smith tach, but all electronics for cars have to a; /html/fot/2001-08/msg00080.html (9,615 bytes)
6. Re: Smiths tach (score: 1): Author: Randall <randallyoung@earthlink.net>; Date: Wed, 08 Aug 2001 22:45:19 -0700; I'm not certain which sensing method we're discussing (there were two of them, one current-sensing, the other voltage-sensing), but the voltage-sensing setup is probably not going to like having the; /html/fot/2001-08/msg00093.html (8,134 bytes)

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