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| The Pub For General Automotive Related Talk |
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29-05-2006, 11:43 AM
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Official AFF conservative
Join Date: Dec 2004
Location: Adelaide, SA
Posts: 3,549
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Guys,
Just a little something I knocked up for *another* site with contributions by other members there... but I thought anyone here who is bored and has a dyno graph at hand might enjoy having a play around. Nothing terribly interesting but may give people a further insight into the way which their particular combination is making its power/ET/MPH. Basically take your dyno sheet with km/hr plotted against rwkw/rwhp and plug the data in. Enter a few details about tyre size/drivetrain and away you go. If you enter it as RWHP - don't enter any RWKW amounts. If you enter RWKW amounts, leave the RWHP fields blank... Happy to take feedback on board - so long as its not to do with drivetrain losses - the "assumption factor" is addressed adequately within the worksheet IMO... The "dyno dynamics graph helper" is a neat little calculation that will allow you to determine what each line on a dyno dynamics graph represents. i.e. what for each small line across the X-Axis represents (in km/hr) and what each small line on the Y-axis represents (in rwkw or rwhp depending on your operator).... Basic instructions are included. Tyre circumference will be calculated automatically from width/profile/size info... a few basic gear ratios (ef/el and BA) are provided. Will add more if people can provide the ratios (i.e. EA auto, EA manual etc). http://www.myfilestash.com/userfiles...s%20Ver3.1.xls Any questions just ask.
__________________
A cup half empty... but full of euphoria. |
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29-05-2006, 05:12 PM
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Banned
 
Join Date: Dec 2004
Posts: 8,303
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ÿ $ ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ $( ÿ !$( ÿ "$( !ÿ #$( "ÿ $$( #ÿ %$( $ÿ &$ %ÿ '$ &ÿ ($ 'ÿ ) $ (ÿ *$ )ÿ $ +$ 3þD
(random cell copy/pasted to here) I think I have an excel compatability issue! Great idea though. |
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Dyno calcs worksheet
Linear Mode
