What is a HALDA?
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HOW TO CHANGE
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A35 HALDA LAYOUT
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This is an ODOMETER (or mileometer) which reads to 1/100th of a mile or kilometer and can be calibrated extremely accurately. This is done by changing a pair of gear wheels when initially setting the unit up. The read-out can be zeroed by the pull of a knob, advanced or reversed by hand and made to run forwards or backwards or turned off.
It is driven from the car's speedometer cable by means of a 'T-Gear' (a right-angle drive take off) which screws in between the speedo cable and speedometer and another similar cable. In a couple of minutes you can swap gears to allow for different axle ratios or tyres and change to miles or kilometers, provided you have set it up beforehand. There is a slight additional load on the cable; internal illumination is provided.
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Halda Mechanical Rally
*Speedpilots *Twinmasters *Tripmasters
Repairs for all Halda Mechanical Rally Instruments... Buys, sells and
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