GPS Speedometer ? ? ?

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Roger Byrne
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GPS Speedometer ? ? ?

Post by Roger Byrne » Sat Mar 25, 2023 5:15 pm

Is anyone using a GPS speedometer on their Model T? How is it working out and do the coils cause a problem?
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aDave
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Re: GPS Speedometer ? ? ?

Post by aDave » Sat Mar 25, 2023 5:30 pm

Yes, I use an inexpensive Garmin for route and speed info. No coil problems.
Dave

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Mark Nunn
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Re: GPS Speedometer ? ? ?

Post by Mark Nunn » Sat Mar 25, 2023 5:33 pm

I use Ulysse speedometer app on my phone. I use it in the Model T, skiing, in the plane, etc. It works great.


speedytinc
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Re: GPS Speedometer ? ? ?

Post by speedytinc » Sat Mar 25, 2023 5:38 pm

Mark Nunn wrote:
Sat Mar 25, 2023 5:33 pm
I use Ulysse speedometer app on my phone. I use it in the Model T, skiing, in the plane, etc. It works great.
Dittos. The wife has a phone ap. No issue with coils.

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Roger Byrne
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Re: GPS Speedometer ? ? ?

Post by Roger Byrne » Sat Mar 25, 2023 8:02 pm

Thanks for the comments but I'm not talking about a phone app. I'm wondering about the GPS units that look like a speedometer used on boats and ATVs.
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0019213_vintage-3-38-low-speed-speedometer_300.jpg
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Junk poor
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Re: GPS Speedometer ? ? ?

Post by Junk poor » Sat Mar 25, 2023 9:49 pm

But Roger, that only goes to 60mph.

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kelly mt
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Re: GPS Speedometer ? ? ?

Post by kelly mt » Sat Mar 25, 2023 9:54 pm

I use an app. called Speed Bot on my cell phone. Gives the same info a Garmin does. Works good.


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Re: GPS Speedometer ? ? ?

Post by Art M » Sat Mar 25, 2023 10:33 pm

I use a Garmin GPS any time I am driving. Previous units would not work on 6 volt, so i used 2 6 volt rechargeable hunting batteries connected in aeries. The current unit works very well plugged into my 6 volt car. Even starting the engine presents no problem to the Garmin.
Speed is observed and distance is recorded on each trip. A friend, whom I often tour with, also uses a Garmin connected to the car 6 volt circuit.

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Re: GPS Speedometer ? ? ?

Post by Steve Jelf » Sat Mar 25, 2023 11:59 pm

I have used a Garmin and a Navpal and a bicycle speedometer, and had no coil interference with any of them. BUT I am installing a real Model T era speedometer because it has a mechanical odometer that will never need a battery change that wipes out the accumulated mileage.
The inevitable often happens.
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TRDxB2
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Re: GPS Speedometer ? ? ?

Post by TRDxB2 » Sun Mar 26, 2023 2:46 am

Roger Byrne wrote:
Sat Mar 25, 2023 8:02 pm
Thanks for the comments but I'm not talking about a phone app. I'm wondering about the GPS units that look like a speedometer used on boats and ATVs.
I was going to look into this awhile ago - might work with a period correct speedometer. The only issues may be matching up a speedometer cable and 12v.
https://speedhut.com/categories/speedbox.html
Instructions https://speedhut.com/content/instructio ... -10-16.pdf
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speedhut.png
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Re: GPS Speedometer ? ? ?

Post by Nunsio1 » Sun Mar 26, 2023 8:52 am

I have a marine GPS speedometer from Cabelas approx $90.00. It is a 12v unit, just power & ground to install. Running with dist ignition, no issues.
9E82E181-9F92-473D-9F06-42DB0ACAC024.jpeg
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John
Oscoda Michigan

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Topic author
Roger Byrne
Posts: 66
Joined: Sun Jan 06, 2019 7:48 pm
First Name: Roger
Last Name: Byrne
* REQUIRED* Type and Year of Model Ts owned: 1911 Torpedo Open Runabout, 1914 Touring, 1912 Speedster (in progress) 1927 Touring
Location: Racine, MN
MTFCA Number: 8127

Re: GPS Speedometer ? ? ?

Post by Roger Byrne » Sun Mar 26, 2023 11:25 am

Thanks John, that was the type of installation I am interested in! By the way Dan, they make them in a 120MPH version so it could work for guys like you too! ;)
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