[ROVERNET - UK] Electrically Challenged Question.

[Tom Trafton]

There is a fairly complete discussion on these tachs at a Sunbeam Tiger web
site http://www.classictiger.com/techtips/motach.html.
Apparently it is possible to convert a 4 cylinder tach for use on, in the
Sunbeam Tiger case, an 8 cylinder motor.   Therefore Ben should be able to
have his tach converted for use on a 6 cylinder motor.

In British cars of the 60's (actually before 1974) the Smiths tachs were
triggered by current pulses;  these tachs can be identified by the letters
RVI on the instrument face.  Later tachs tachs were voltage pulse triggered
and have the letters RVC on the face.

Tom


----- Original Message ----- 
From: "Brooks" <restore at nbnet.nb.ca>
To: <rovernet at lyris.ccdata.com>
Sent: Monday, July 17, 2006 7:33 AM
Subject: Re: [ROVERNET - UK] Electrically Challenged Question.


> So do I James...and I would gladly give one to Ben for free...however if I
> understand it correctly he needs to use it on his 6 cyl....
>
> Regards
>  Dennis
>
>
> ----- Original Message ----- 
> From: "James Dean" <jaguru at bellsouth.net>
> To: <rovernet at lyris.ccdata.com>
> Sent: Monday, July 17, 2006 11:29 AM
> Subject: Re: [ROVERNET - UK] Electrically Challenged Question.
>
>
> >I have several tachs for US 3500S. If anyone needs one, contact me
offline
> >jaguru at bellsouth.net, or tollfree 1 877 524 8787 in the US. James Dean
> > ----- Original Message ----- 
> > From: "John Burkhard" <burkhaj at earthlink.net>
> > To: <rovernet at lyris.ccdata.com>
> > Sent: Monday, July 17, 2006 12:57 AM
> > Subject: Re: [ROVERNET - UK] Electrically Challenged Question.
> >
> >
> >> Hi Ben,
> >>
> >> I think the tach in the TC model sent to the US, 1966 to 1969, is
> >> different than the one in the 3500s.  All the US, late 1969 and 1970,
> >> 3500s have the Series Two insterment cluster.  Hope this helps.
> >> ----- Original Message ----- 
> >> From: "Ben Rodgers" <irishrover at netscape.ca>
> >> To: <rovernet at lyris.ccdata.com>
> >> Sent: Sunday, July 16, 2006 6:04 PM
> >> Subject: Re: [ROVERNET - UK] Electrically Challenged Question.
> >>
> >>
> >>> Hi Folks
> >>>             Electrics were never my strong point, never did learn to
> >>> program a VCR!! My question, is the tach from the P6 TC and the P6B
> >>> 3500S
> >>> the same and interchangeable, could either be used on a six cylinder,
do
> >>> they require re-calibrating or can they be calibrated. Look forward to
> >>> some
> >>> enlightenment!!!
> >>>                                              Regards  Ben.
> >>>
> >>> FREDERICK  (BEN) RODGERS
> >>> born in Belfast, Northern Ireland,
> >>> Author of "lily and me" a great book and a great read .
> >>> Order on line at amazon.com. Book # ISBN1-55430-019-3
> >>>
> >>>
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> >>
> >>
> >>
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