Calibrated speedo

[junglejim]

Is there a device you can buy that uses GPS to give your exact speed on the bike or in the car.
I saw something like this being used on top gear but I can't find out what it was.
I know Sat Navs already come with this feature but I don't need to buy one of those.
Any idea's.

[angryjonny]

https://www.digital-speedos.co.uk/ds100-gps-micro-speedometer-259-p.asp

Cheaper to just buy a satnav.

Edit: I take that back. Bike satnavs are several times the price of car ones.

[junglejim]

AWSOME.
That's exactly what I'm looking for.

[robocog]

Coincidentally just been posted on another forum

https://furoreproducts.co.uk/digital-speedos/84-gps-speedo-driving-school-secondary-speedo.html

Regards
Rob
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Needs a bigger garage...

[junglejim]

[Kickstart]

Hi

There are GPS units designed for performance testing which are accurate.

A basic GPS unit has a fair margin for error under certain circumstances. With those ones (interesting anyway) they are not giving you the refresh frequency (most GPS units are only 1Hz, so a large margin for error) or any details of how the speed is calculated (ie, basic unit will just measure the distance between the last 2 position fixes and calculate speed from that which won't be accurate).

And any GPS unit is useless for checking your speed in a tunnel .

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[iooi]

You can get apps for phones that do this.....

About as accurate as a bag of spanners..... Sometimes you can be doing 0 mph and moving nicely, other times they show 30 and you are stood still.....
____________________
Just because my bike was A DIVVY, does not mean i am......

[keggyhander]

If you've got an electronic speedo, get a speedohealer.

Put the satnav on the bike, note the difference between speedo and satnav, then input the correction factor into the speedohealer.

I needed do this when I changed sprocket sizes.

[Walloper]

FYI Bike satnavs are made more robust than car satnavs to be waterproof and shock proof That is why there are twice the price. (And bikers are wankers so pay the extra without batting an eyelid.)
Some folk on here swear by the iPod as a satnav.
The screens are too small you risk water/impact damage.
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W-ireless A-rtificial L-ifeform L-imited to O-bservation P-eacekeeping and E-fficient R-epair

[keggyhander]

I use a car sat nav with a home made bracket.

[biker58]

car sat nav works for me
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1995 Suzuki GSX600F rider

[Cheeseybeaner]

[Kickstart]

[junglejim]

[Cheeseybeaner]

[junglejim]

[iooi]

[Cheeseybeaner]

[junglejim]

[Kickstart]

[junglejim]

[Kickstart]

Hi

Out of interest, who have you asked about repairing it?

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[junglejim]

[The Shaggy D.A.]

Works in tunnels, and doesn't cost £175

https://www.houseofthud.com/bikecomputer.html
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[Kickstart]

Hi

Dealers don't surprise me, although if plastic welded together it might be a pig to get into (and a pig to seal afterwards). However might be worth having a hunt round for speedo repair specialists.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing