South Coast New MINI Club: Forums / General Discussion / Satnav or speedo?

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Satnav or speedo?


Moderators: Dave, cooper_sport, Neil the Hat, BlackFerret, Matt

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BumbleBeeMini

Mon Jun 29 2009, 02:32PM

Registered Member #712

Joined: Fri May 15 2009, 03:55PM
Location: in the arms of my gorgeous husband....
Posts: 29

Which is more accurate the satnav or speedo. Hubby thinks satnav is far more accurate. If so my speedo shows me going 5mph slower that I am - is this a gov conspiracy to slow down traffic?

Tracie

Mon Jun 29 2009, 02:54PM

aka: Lola

Registered Member #12

Joined: Sat Jan 14 2006, 12:00AM
Location: Poole, Dorset
Posts: 872

The satnav is more accurate. The speedo will always be slower than your actual speed.

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Neil the Hat

Mon Jun 29 2009, 03:08PM

Mini'ing Around...

Registered Member #8

Joined: Sat Jan 14 2006, 12:00AM
Location: Southampton
Posts: 213

I think I agree with Tracy... in that your speed will always be slightly lower than what the speedo is indicating???

Mine is in the region of 3mph when compared to a satnav.

[ Edited Mon Jun 29 2009, 03:08PM ]

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HyperActive

Mon Jun 29 2009, 04:34PM

Registered Member #27

Joined: Mon Jan 16 2006, 12:00AM
Location: Watford, Herts.
Posts: 626

Yes i agree with Tracie and Neil

, sat nav is more accurate. The speedo gets less accurate the faster you go, but will always under read

Bobbie

Mon Jun 29 2009, 06:30PM

Registered Member #715

Joined: Mon May 25 2009, 04:47PM
Location: Hayling Island
Posts: 242

I've had a speedo that has read 10mph less than i've been driving eg 60 instead of 70 wish satnav had been around then would have been very useful but think that it may depend on the age of the vehicle

HyperViper

Mon Jun 29 2009, 06:34PM

Registered Member #358

Joined: Fri Mar 02 2007, 12:00AM
Location: Alton, Hants
Posts: 1275

Yup - Satnav is almost pinpoint accurate compared to the speedo! If the same technology can put a bomb through Saddam's bog window, it can certainly read accurate speeds!

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cooper.t

Mon Jun 29 2009, 07:25PM

Registered Member #710

Joined: Thu Apr 30 2009, 03:42PM
Location: Pulborough, West Sussex
Posts: 256

Yep speedo always reads over, unless you put the wrong size wheels or tyres on. So be carefull you 18 inch boys. And Girls!

Sat Nav is bang on unless you are speeding up or slowing down. Takes a moment to catch up.

[ Edited Mon Jun 29 2009, 07:26PM ]

Dave

Tue Jun 30 2009, 10:41PM

Mini Turbo'd

Registered Member #140

Joined: Mon Mar 13 2006, 12:00AM
Location: Southampton
Posts: 2481

Hmmmm not everything is a constant...... All speedos should over read from the factory to account for changes in tyre size on models and the difference between new and old tyres. Satnav is very accurate at a constant speed on a level surface, otherwise it isnt so great as it doesnt understand gradients. 30mph up hill isnt 30mph longitude or latitude as you are climbing and so not travelling as far in one direct as you are on a flat surface.

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