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Thread: Speedo in KPH

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    Jedi Warrior 6TTR3A's Avatar
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    Speedo in KPH

    Does anyone out there have a Triumph sidescreen speedometer that reads in Kilometers?
    I know they must be rare since very few countries were on the metric system in the '60s,
    but the parts book lists one so I'm hoping.
    Frank

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    Moderator Andrew Mace's Avatar
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    Re: Speedo in KPH

    I've seen one or two on cars over the years; presumably those cars were originally delivered to the European continent?
    -- Andrew (Andy) Mace, VTR's Triumph 10/Herald/Sports 6 vehicle consultant and keeper of the North American Triumph Sports 6 and Herald Database

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    Yoda Geo Hahn's Avatar
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    Re: Speedo in KPH

    I too have seen a few usually on cars that also had a mechanical temp gauge in C. Unfortunately they were also used on some TR3 derivatives (e.g. Italias) and that won't improve the asking price if you find one.

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    Yoda HealeyRick's Avatar
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    Rick

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    Senior Member Simmo's Avatar
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    Re: Speedo in KPH

    A few years back I searched in vien for a KPH Speedo for my XKE. No luck what-so-ever. Eventually a Instrument repair guy got mine repainted, by hand, from a lady who painted clock faces. It looks better than a factory made one. Maybe this will give you leed in another area to look at people who make clocks or something like that.

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    Great Pumpkin NutmegCT's Avatar
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    Re: Speedo in KPH

    Hey - it's only 480 Euros! That's a measly $500 and change. Go for it!

    Mac & Phyllis Take a Trip: http://nutmegflyer.com/trip-details-daily-updates/
    History: 1976 MGB, 1959 Triumph TR3A, 1960 Mercedes-Benz 190b, 1958 Rambler American.
    Current: 1953 MG TD27318.

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    Yoda HealeyRick's Avatar
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    Re: Speedo in KPH

    Quote Originally Posted by NutmegCT View Post
    Hey - it's only 480 Euros! That's a measly $500 and change. Go for it!

    OTOH, it says it's been rebuilt. That's about $300 you wouldn't have to spend if you bought a non-functioning one.
    Rick

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    Yoda CJD's Avatar
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    Re: Speedo in KPH

    I know how to get the face...

    John

    1955 TR2

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    Yoda Geo Hahn's Avatar
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    Re: Speedo in KPH

    So if you use that face then the only thing that is off are the odometers (which will still measure miles)? Those, I suppose, require a gear change inside the head.

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    Yoda Geo Hahn's Avatar
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    Re: Speedo in KPH

    This was just posted on the Triumph email list:

    https://www.leboncoin.fr/equipement_...13.htm?ca=21_s

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    Yoda CJD's Avatar
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    Re: Speedo in KPH

    I am sure Jesus will show up soon. We had some online discussions about the gears for the odometer. I have no doubt that the speed needle can be calibrated for either KPH or MPH. So, only the odometer would be off...by a good bit. I think he managed to find the correct gears...but I am not sure.
    John

    1955 TR2

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    Re: Speedo in KPH

    Quote Originally Posted by CJD View Post
    I am sure Jesus will show up soon. We had some online discussions about the gears for the odometer. I have no doubt that the speed needle can be calibrated for either KPH or MPH. So, only the odometer would be off...by a good bit. I think he managed to find the correct gears...but I am not sure.
    Thanks for the introduction, John.

    Yes, I am in the process of converting a MPH speedo into a KPH one, reproducing the original look (very little progress since our last contact, John). How to get a new face has been already mentioned (John can print the right figures and symbols on an old face with excellent results).

    The gears for the odometer must be changed to go down from 1180 tpm to around 740 or 730 tmp (1180 divided by 1.61 1 mile = 1.61 km), depending on the tire size. I salvaged the gears with the required number of teeth from another Smiths speedo, and got both odometers to count kilometers.

    Now I need still to calibrate the needle and install the face to finish. For the calibration I am building a fixture with an electrical motor to drive the speedo at variable speed, so that I can do the job on the bench.

    Jesus

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    Jedi Warrior 6TTR3A's Avatar
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    Re: Speedo in KPH

    Thanks to all for the replies...I kind of figured it was almost a lost cause (unless I win the lottery!!)
    The answer is do the face & live with the odometer & trip meter. I'll go that route.
    Thanks again.
    FRank

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    Obi Wan HerronScott's Avatar
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    Re: Speedo in KPH

    Frank,

    Why do you want your speedometer in KPH? Just curious since your location shows San Diego.

    Scott
    1966 TR4A IRS CTC69123L (first car and first love!)
    1966 TR4A IRS CTC72159LO
    1959 TR3A TS51339L

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    Yoda Geo Hahn's Avatar
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    Re: Speedo in KPH

    Quote Originally Posted by HerronScott View Post
    Frank, Why do you want your speedometer in KPH?...
    So he can drive over a hundred on The 5.

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    Jedi Trainee Crankshaft's Avatar
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    Re: Speedo in KPH

    Very late to the party, but my speedo is in KPH
    Phil

    1960 TR3A TS74517L
    1930 Ford Town Sedan

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    Jedi Warrior 6TTR3A's Avatar
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    Re: Speedo in KPH

    Quote Originally Posted by Crankshaft View Post
    Very late to the party, but my speedo is in KPH
    Crankshaft,
    I don't suppose you would be interested in a trade ?
    I've got a Concours quality Speedo (in MPH) to trade,
    plus any amount ($$$) in addition that you feel is fair.
    PM me.
    FRank

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    Jedi Trainee Crankshaft's Avatar
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    Re: Speedo in KPH

    Frrank:

    PM sent
    Phil

    1960 TR3A TS74517L
    1930 Ford Town Sedan

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    Jedi Trainee Crankshaft's Avatar
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    Re: Speedo in KPH

    Frank:

    Message sent
    Phil

    1960 TR3A TS74517L
    1930 Ford Town Sedan

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    Re: Speedo in KPH

    Dear CJD

    I should be very grateful if you would let me know how to get a KPH face for the speedometer of my TR3A.

    With many thanks

    Brook

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