Tag Archives: Halda Tripmaster

Adding Halda Odometer Calibration Gears To My Rally Navigator Tool Box

This week I substantially increased my ability to be able to calibrate a Halda odometer.  I have both a Halda Tripmaster and a Halda Twinmaster and a number of classic rally cars are fitted with Halda odometers.  Some rallies permit the … Continue reading

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Halda Tripmaster and Twinmaster Odometer Calibration

I have been playing around with my Halda Tripmaster, testing a cable set-up, and I thought that I might try to illustrate how these units work and the approach to calibrating the Halda odometers to people not familiar with these … Continue reading

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Expanded Halda Twinmaster and Tripmaster Calibration Table

Recently I acquired a Halda Tripmaster and a set of Halda calibration gears that can be added to the Halda Tripmaster to adjust the odometer reading to match the distance used by the rallymaster.  These Halda calibration gears are made … Continue reading

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My New Halda Tripmaster – A Classic Odometer

In another post I mentioned that I had recently purchased a Halda Tripmaster from a fellow in New Zealand.  These odometers were commonly used in rallying from the early 1960s up to the mid to late 1970s.  These are mechanical … Continue reading

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