Nov 19 2009, 08:49 AM
QUOTE(zenwarlord @ Nov 17 2009, 11:28 AM)
The graph only show the speed for each gear, but it did not shows the most important comparison for FD where time taken to reach 7200rpm for each gear also the peak torque and hp at which RPM was not shown. It they put it in the dyno graph then u can see the different between the GB.
we cannot only see the FD to tell the gearbox is different .... we must see each gear compound ratio (compound ratio = gear ratio X final drive ratio) .. EXP :
Gearbox A
1st : 2.750 compound ratio = 11.55
2nd : 1.684 compound ratio = 7.073
3rd : 1.160 compound ratio = 4.872
4th : 0.862 compound ratio = 3.620
5th : 0.617 compound ratio = 2.591
FD : 4.2
Gearbox B
1st : 2.406 compound ratio = 11.55
2nd : 1.473 compound ratio = 7.073
3rd : 1.015 compound ratio = 4.872
4th : 0.754 compound ratio = 3.620
5th : 0.539 compound ratio = 2.591
FD : 4.8
from above.... we see gearbox A & B have diff gear set and final drive..... but both compound ratios are the same .... so the gearboxs will act the same on road interm of speed, rpm, wheel torque ...
from what i see... mivec gb almost the same from 1st to 4th gear .... only 5th gear is big different .... for drag, mivec will perform better .... but still not perfect... custom gear ratio is must if wanna built pure drag machine ..
a good gearbox design also can help reduce transmission power loss.... alot more factor that can help car accelerate faster....
This post has been edited by aznan83: Nov 19 2009, 09:02 AM
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