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Postby clee » Sat Oct 08, 2005 1:03 pm

Just had the Turbo on the RR .Will bin the Champion plugs I put in as it's got a slight misfire all thro :evil: But good results I thinkImage
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Postby clee » Sat Oct 08, 2005 1:05 pm

IY
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Postby clee » Sat Oct 08, 2005 1:08 pm

Loads of tranny loss :shock: :!: Frankenfurter :evil:
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Postby David Gentleman » Sat Oct 08, 2005 1:46 pm

Good torque, nice and low down.

Peak power at 4400! :lol:

Definate missfires visible just looking at the plot.
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Postby clee » Sat Oct 08, 2005 1:58 pm

David Gentleman wrote:Good torque, nice and low down.

Peak power at 4400! :lol:

Definate missfires visible just looking at the plot.


Would you say plugs at fault :?: 0.60 champion race.Better go back to the NGK :?:

Guess the caption :lol:

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Postby clee » Sat Oct 08, 2005 2:20 pm

Prizes to be won :lol:
No thats not it
Loads of torque at low Rev :lol:
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Postby David Gentleman » Sat Oct 08, 2005 2:20 pm

Ive resized the plots for people without widescreen monitors :D. Ive overlaid both torque and power plots..

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Postby clee » Sat Oct 08, 2005 2:24 pm

Thanks Dave ,I'll bin my widescreen versions ,mine is 21" :lol:
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Postby peterg » Sat Oct 08, 2005 4:57 pm

Thats a hell of a lot of transmission loss!!! You got a good load of torque though......must pull like a train low down :D
I changed to champions from the Renault plug.....I cant decide whether thay are a problem or not.
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Postby clee » Sat Oct 08, 2005 5:06 pm

peterg wrote:Thats a hell of a lot of transmission loss!!! You got a good load of torque though......


I know :evil: Got to be something amiss there ,losing 1/3 :evil:
Will be swapping back to the NGK's ,so I'll update .I can feel the misfire but was thinking it was boost related as I upped that at the same time ,not so sure now
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Postby David Gentleman » Sat Oct 08, 2005 5:16 pm

Hmm, but we don't know how that RR calculated the transmission losses, as there is no off throttle drop off on the plot.

Basically(if you don't know), you do a power run, and then dip clutch and let off the throttle completely. This will cause the graph line to go negative below the 0bhp base line. The amount that is goes negative is added to the wheel figure and that is the flywheel figure, because any negative figure can only be the drag of the trasmission/wheels etc..
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Postby clee » Sat Oct 08, 2005 5:20 pm

dunno :? I will be going back at some point so I will get some better info .I think they had a pre run to get this figure perhaps :?: so the plot looks better/simpler :?:
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Postby peterg » Sat Oct 08, 2005 5:50 pm

Youve mentioned that method before David and it sounds correct, but the RR I went to couldnt do it....mind they were rubbish and have since gone bust!!!!!!!!
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Postby clee » Sun Oct 09, 2005 8:16 am

Little vid of the run ,Thanks and credit to Tiny Tim RTOC 8)
http://www.cldesigns.co.uk/_vti_bin/RR%20081005.wmv
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Postby David Gentleman » Sun Oct 09, 2005 12:51 pm

Ive watched the vid, you can see on the gauge the transmission losses peak to around -60 when they let off the power, so the way they have done it is correct.
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