Quote:
Originally Posted by TestDrive
Is Quick BSFC question(geared towards folks with ATs) - Post#19 the post you're referring too?
I've seen the numerous instances of the assertion that "BSFC maps are based on WOT", but I've yet to see an authoritative citation to backup it up. I'm no expert, but I find it difficult (if not impossible) to believe that data in the 500 rpm -1000 rpm/15.6 Nm - 31.2 Nm range of this NOT ATYPICAL BSFC map/chart was generated at WOT!
It's not labeled, but I believe the line of heavy dots across the top is the BSFC curve at WOT. |
I've been off the air for a while, so pardon the delay. Yes, it is post #19 that I was referencing. Your arguement is a convincing one and on additional study, I think you are correct. Sorry to add the confusion
Most of my dyno work was on an older Go Power engine dyno while doing development work on BMW 2L engines. Since the engines were for SCCA sprint racing, I really didn't have much interest in the full BSFC contour and never really tried to develop one. I sometimes found the single valued BSFC data that came out on the printouts helpful for tuning, but in sprint racing the engineer is mostly interest in the maximum power and the width of the power band.
It will be interesting to see some contour data come off the dyno.
BTW, not sure how my link ref got screwed up, but this is the correct link I meant to provide:
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