GMC tachometer

[Grant Bowker]

E-bay listing http://cgi.ebay.com/ebaymotors/Vinta...QQcmdZViewItem is for a S.W. 503-B, but instead of being identified as part number 7727466 it has MS 35916-1 and according to the seller is for aircraft use. Clearly Stewart Warner sold the same instrument for several uses.

http://mpbundels.mindef.nl/overig/Bark1009/6350_tot.htm has a listing for MS 35916-1 (&2) under NSN 6680-00-514-4090 and 6680-00-825-2076 for NIKE and HAWK (sounds like support equipment for missile systems?????) and lists the tachometer as containing 92.5 kBq of Ra226.

Searching on the NSN 6680-00-825-2076 produced several results, one of which, http://www.clarktruck.com/parts.cfm lists the tachometer as being used on M35 trucks. Clark Trucks is a "business that specializes in US Military 6x6 all-wheel drive trucks". Another of the results http://mipcorporation.com/database/mipdatabase.shtml gives a MSRP of USDollars 268.45 for the tachometer.

For Bob Carriere, Alex Blair and I noticed yesterday in the Chev Major Assemblies Manual that some engine assemblies are shown as coming with mechanical tachometer drives. I don't know what the application was but clearly some CMPs had a 216CID engine with mechanical tachometer.

I downloaded the Stewart Warner catalogue today, most interesing, a wondrous assortment of electric and mechanical tachometers as well as may other instruments, again electric and mechanical. Also tools and materials so that you can make your own speedometer and tachometer cables.