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[Healeys] Tach heat sensitive?

Subject: [Healeys] Tach heat sensitive?
From: healey.nut at gmail.com (Alan Seigrist)
Date: Fri, 19 Aug 2011 15:13:08 +0800
References: <CAFBXTkKXdyDnszC8arMCd9a3cPO3k4YW+2Jx=FOukF+dKnB8Tg@mail.gmail.com> <1313710341.84039.YahooMailClassic@web65917.mail.ac4.yahoo.com> <CAFBXTk+Z+8+DK0a=CPsa2PD6i+-zMi_SXqQ_h_FF=b1ex-L2hw@mail.gmail.com> <4E4E0B4B.3060504@chello.nl>
Kees -

I can understand your gut feelings on this, but I've had so much surface
resistance build up in this wire in the past, that the ignition on my BJ8
would actually stop working.  This was with the aluminum wire they were
using at the time.  That wire has a great deal of current running through
it.

Alan

2011/8/19 Oudesluys <coudesluijs at chello.nl>

> I am not so sure that the relative small temperature variations will change
> the resistance of the wire enough to show these variations in indicated rpm.
> What could change though is the battery voltage. When starting of, the
> battery voltage can be lowish (hence the indicators are not or slow
> flashing) and will gradually rise when driving any distance.
> I am not much into electronics but it is just an idea.
> Any thoughts???
> Kees Oudesluijs
> NL

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