General > Random Chat
some interesting performance car reading for the geeks amongst you
Greeners:
--- Quote from: Hedge on August 16, 2010, 05:39:49 pm ---
--- Quote from: Greeners on August 16, 2010, 03:52:16 pm ---I didn't think an R32 could afford to lose 23hp! :signLOL: :signLOL:
--- End quote ---
It would still be the fastest car in the world though....... :driver:
Time for my medication nurse. :laugh:
I think those figures are suspect.
I don't understand why a hub dyno is so accurate compared to any other dyno. All they measure is work. :confused:
--- End quote ---
Oh yes I 100% agree with you on that! :innocent:
Janner_Sy:
:grin: :grin: i knew that would set people off.
--- Quote from: cmdrfire on August 16, 2010, 05:03:49 pm ---I reckon people would notice if their car was missing 20-30hp! :surprised:
Thing is, even though it's done on the same dyno, all sorts of stuff affects empirical readings like this. Weather, humidity, what day of the week it was, Earth's gravitational spin, sunspots, cosmic rays, etc., etc.
--- End quote ---
not just the R32 that does it though is it, its also the TT 3.2 V6. on a seriou note they do seem strange, ive seen with my own eyes an R32 on the same rollers as me and make its expected output as well as my car make whats expected. either that or my stage 1 was actually making 210hp andnot 240hp :grin:
--- Quote from: stealthwolf on August 16, 2010, 03:14:10 pm ---8bhp for an edition 30?
VW state 230bhp. Mine managed 232 and 227bhp on the same rollers several months apart.
--- End quote ---
isnt that a PS stated output??
--- Quote ---I don't understand why a hub dyno is so accurate compared to any other dyno. All they measure is work
--- End quote ---
I thought one of the things that makes the hub dyno more accurate than the usual rolling cylinder varient is that the car is not strapped down and therefore does not lurch up the rollers giving slightly increased readings. we've all seen the JKM speal about how much extra Hp you can get by loosening the straps slightly. so by removing any strapping variation and lurching the hub dyno should surely be more accurate.
Richn83:
The substantially lower figures are all using 4wd systems, maybe its just showing the extra loss in the drive train?
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