smart51
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 posted on 6/1/06 at 03:40 PM |
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25 MPG?!
Is that really what a BEC will return? 25 MPG?
And that's not been "racing" driving wither, though it was certainly not the ay my mum would drive (or my dad for that matter)
I know it's been cold and that I've needed the choke to get it started but come on!
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zilspeed
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| posted on 6/1/06 at 03:44 PM |
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Does this surprise you ? 
Honestly ?
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OX
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| posted on 6/1/06 at 03:45 PM |
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hehe at least your in double figures
its the low gearing high rpm and the extra weight that nails the fuel bill
[Edited on 6/1/06 by OX]
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mak
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| posted on 6/1/06 at 03:47 PM |
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I would have expected more.
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graememk
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| posted on 6/1/06 at 03:49 PM |
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i have a ride on lawn mower that does less than that and its much slower
i think you should stop moaning. 
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Chippy
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| posted on 6/1/06 at 03:50 PM |
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And yet another reason to say NO to BEC.
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skydivepaul
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| posted on 6/1/06 at 03:50 PM |
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you lucky b@st@rd.
http://www.smartideasuk.com
http://www.smartmapping.co.uk
HD CCTV
3D design solutions and integration
IP security systems
access control systems
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smart51
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| posted on 6/1/06 at 03:52 PM |
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Surprised? Not really. I was expecting about 30 though.
I guess I've been spoied by my smart. Driven hard it will "only" return 50 MPG.
Another reason not to buy a BEC? Will a similarly quick CEC do any better?
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jimgiblett
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| posted on 6/1/06 at 03:57 PM |
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I used to get 20mpg on track 30mpg on the road with a carbed R1 in my Phoenix.
This is better than my mates Furyblade.
Which on long runs was consistently 10% worse than me.
Jim
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zxrlocost
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| posted on 6/1/06 at 04:07 PM |
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Oh my god I would think 25 mpg was a god send
my Z used to do 13mpg if it liked it..I used to put 20 quid of petrol a day in for just pottering around and we figured the once that it was costing
me 250 quid a week for turning the key due to age and insurance etc 19" tyres 600 pound service
beautiful car and never broke down once
the costs would have doubled if it did
chris
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Jon Ison
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| posted on 6/1/06 at 04:13 PM |
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OK, there locosts but does anyone really care about the mpg when youve got the wind in your air........
I never checked mine until i started racing it and that was only too make sure i wasn't either going too run out of juice or worse still carry
too much, petrol is heavy.
1st race at Mallory last year they misprinted race length, cant remember how many laps but it was a few more than printed, 3 cars ran out and Ian Gray
was chased out the pit lane with a jerry can full of petrol as was trying too top up the "purple cars" when he realised the mistake.
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zxrlocost
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| posted on 6/1/06 at 04:20 PM |
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precisely
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kb58
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| posted on 6/1/06 at 04:36 PM |
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I bet if you removed the barn door of a windscreen, and converted to cycle fenders, you'd improve mileage a lot.
Mid-engine Locost - http://www.midlana.com
And the book - http://www.lulu.com/shop/kurt-bilinski/midlana/paperback/product-21330662.html
Kimini - a tube-frame, carbon shell, Honda Prelude VTEC mid-engine Mini: http://www.kimini.com
And its book -
http://www.lulu.com/shop/kurt-bilinski/kimini-how-to-design-and-build-a-mid-engine-sports-car-from-scratch/paperback/product-4858803.html
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britishtrident
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| posted on 6/1/06 at 04:39 PM |
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There was a 70s Kawasaki Mach 3 two stroke triple that did 13 mpg and that didn't vary much with engine size which istr were 250 or 500 or 750
:-)
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andybod
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| posted on 6/1/06 at 04:53 PM |
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think yourself lucky my mistubishi evo's avareging around 18 upto 21 if i drive like a grannie
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phelpsa
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| posted on 6/1/06 at 05:04 PM |
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Yup think yourself lucky, our scooby does 25mpg at a steady 70 on the motorway. Took it to the 'ring and it averaged about 10mpg
Adam
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Humbug
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| posted on 6/1/06 at 05:15 PM |
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quote:
Originally posted by kb58
I bet if you removed the barn door of a windscreen, and converted to cycle fenders, you'd improve mileage a lot.
o/t, but have just looked at the pics of your Mini, kb58, and it looks wild! Great job
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steve_gus
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| posted on 6/1/06 at 05:41 PM |
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quote:
Originally posted by britishtrident
There was a 70s Kawasaki Mach 3 two stroke triple that did 13 mpg and that didn't vary much with engine size which istr were 250 or 500 or 750
:-)
thats not quite true.....
the H1 and H2 may have been a bit juicy - and the s1 250 did a few 10s of mpg.
However, my KH250 (later S1) and the one i had in the 70's would get a heady 45mpg if driven kindly and 27 mpg 2 up at full whack.
My jag v12 used to indicate 3mpg on accelleration.....
seems that 20 odd mpg is normal for a CEC, and a bike engine that would have done 40 mpg with over twice the weight and driven hard isnt suprising to
get 25 mpg.
150hp from a litre or so obviosly needs a bit of fuel when driven hard....
atb
steve
http://www.locostbuilder.co.uk
Just knock off the 's'!
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kb58
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| posted on 6/1/06 at 06:06 PM |
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I don't think it's the weight but that the Cd of the Locost sucks eggs. If a bike-engine were put in an aerodynamically slick car, I
think most of the mileage would come back.
Mid-engine Locost - http://www.midlana.com
And the book - http://www.lulu.com/shop/kurt-bilinski/midlana/paperback/product-21330662.html
Kimini - a tube-frame, carbon shell, Honda Prelude VTEC mid-engine Mini: http://www.kimini.com
And its book -
http://www.lulu.com/shop/kurt-bilinski/kimini-how-to-design-and-build-a-mid-engine-sports-car-from-scratch/paperback/product-4858803.html
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Peteff
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| posted on 6/1/06 at 06:07 PM |
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My friend had a Suzuki Kettle that used to get 15mpg on a run, single figures if he used it local.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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gazza285
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| posted on 6/1/06 at 06:34 PM |
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quote:
Originally posted by Peteff
My friend had a Suzuki Kettle that used to get 15mpg on a run, single figures if he used it local.
That was probably caused by the engine acting like an air brake.
DO NOT PUT ON KNOB OR BOLLOCKS!
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rayward
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| posted on 6/1/06 at 09:05 PM |
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25mpg...............
your not thrashing it hard enough
Ray
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smart51
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| posted on 6/1/06 at 09:24 PM |
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quote:
Originally posted by rayward
25mpg...............your not thrashing it hard enough
You're not far wrong. I've only had number plates for a week. I havn't fitted a dynojet kit yest and the fuelling is a bit off at
full throttle, so I'm being (almost) careful
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Genesis
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| posted on 6/1/06 at 09:33 PM |
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That mpg is to be expected...
Rather have BEC than CEC any day... besides the money you save on Road Tax is offset by the money you spend on fuel.. but think of the fun
you're having at the time!
Going fishin'
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Hellfire
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| posted on 6/1/06 at 10:08 PM |
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Don't worry, once you get it properly tuned you'll probably get about 26mpg
Ours seems to average about 20mpg. You're either quite fortunate - or simply driving like a girl. I think I know which
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