Commando Chronometric

Onder · Jun 28, 2022

Anybody able to tell me what the actual chronometric was used on Police Commandos? Not to forget the required gearbox for said head too. I feel the need to put one on my 850 Mk2.

L.A.B. · Jun 28, 2022

SC5301/44 Smiths Chronometric Speedometer Norton Commando Interpol | eBay

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"1000" turns per mile would be the normal 15:12/1.25:1 gearbox drive ratio and there's no alternative ratio listed in the parts books for the Interpol.

Onder · Jun 28, 2022

Interesting that it uses the magnetic ratio for the 150 not the 1600 for the magnetic 125. I see also that seller notes required hybrid cable. Prices sure have escalated!

MichaelB · Jun 29, 2022

L.A.B. said:
SC5301/44 Smiths Chronometric Speedometer Norton Commando Interpol | eBay

Find many great new & used options and get the best deals for SC5301/44 Smiths Chronometric Speedometer Norton Commando Interpol at the best online prices at eBay! Free shipping for many products!

www.ebay.com

"1000" turns per mile would be the normal 15:12/1.25:1 gearbox drive ratio and there's no alternative ratio listed in the parts books for the Interpol.

Interesting. How is the reset stem dealt with on cup holder?

Onder · Jun 30, 2022

A hole. Some chronos have the reset shaft on the bottom of the instrument with a long flex line.

Commando Chronometric

Onder

L.A.B.

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SC5301/44 Smiths Chronometric Speedometer Norton Commando Interpol | eBay

Onder

MichaelB

"Sons of Arthritus"

SC5301/44 Smiths Chronometric Speedometer Norton Commando Interpol | eBay

Onder

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