MG4 mud flaps

Just ordered ebay ones currently £13.02 for a set. Supposedly UK supplied but listed as a Chineses seller, but in no rush.
 
shinyrobot said:
What's the impact on mileage?
@Bricktop1967 is you could just do a 1000mile with and without test for me, that would be great!
Click to expand...
To get a proper comparison you would need to do the same route with the same weather conditions and temperature with the same traffic in exactly the same places travelling at the same speed or...

...hire a wind tunnel.

MIRA charge £900 including vat per hour for their tunnel.

Keeping the maths simple assuming you get 4.0mi/kWh without the mudflaps and you pay £0.09 to charge at home it costs £0.0225p/mile
If the mudflaps decrease your m/kWh to 3.9mi/kWh your cost per mile increases to £0.0231p/kWh a difference of £0.0006p/kWh
Or put another way you would need to do 15,000,000 miles before the increased cost per mile is equivalent to the hire of the wind tunnel for an hour.
 
Last edited by a moderator:
Ian Key said:
To get a proper comparison you would need to do the same route with the same weather conditions and temperature with the same traffic in exactly the same places travelling at the same speed or...

...hire a wind tunnel.

MIRA charge £900 including vat per hour for their tunnel.

Keeping the maths simple assuming you get 4.0m/kWh without the mudflaps and you pay £0.09 to charge at home it costs £0.0225p/mile
If the mudflaps decrease your m/kWh to 3.9m/kWh your cost per mile increases to £0.0231p/kWh a difference of £0.0006p/kWh
Or put another way you would need to do 15,000,000 miles before the increased cost per mile is equivalent to the hire of the wind tunnel for an hour.
Click to expand...
That's why I want @Bricktop1967 to do the test for me.
 
shinyrobot said:
What's the impact on mileage?
@Bricktop1967 is you could just do a 1000mile with and without test for me, that would be great!
Click to expand...
You know I did think about that when I was fitting them, but it will be negligible surely?
Plus, being the XPower version I am not hyper sensitive to trying to eke out each MPKWH.
Although it is a HUGE improvement compared to my previous lardy transport. ??
 
Bricktop1967 said:
You know I did think about that when I was fitting them, but it will be negligible surely?
Plus, being the XPower version I am not hyper sensitive to trying to eke out each MPKWH.
Although it is a HUGE improvement compared to my previous lardy transport. ??
Click to expand...
But surely a 1000mile test will put to sleep any of your concerns. You'll need to be quick 'cause I'm picking up the car tomorrow
 
I did make a best offer of £12 but it was ignored, dont know why… So its £13.02 for me as well, just need the bloomin car!
 
Well thats what you get for being cheap….?

Got notification that my mudflaps are going to be delivered today sooooooo excited………..
 

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