SH SH AWD Front or Rear
05-10-2013, 07:01 AM
#1
Three Wheelin'
Thread Starter
SH SH AWD Front or Rear
If the new RLX has SH-AWD provided by instantaneous full torque to the rear wheels then why would they invert the theory for the NSX and put the advantages of the intantaneous torque to the front wheels?
The devellopment costs, algorithms and experience gained from the RLX could be applied to the NSX if they both utilised the same philosophy.
The devellopment costs, algorithms and experience gained from the RLX could be applied to the NSX if they both utilised the same philosophy.
05-10-2013, 11:14 AM
#2
You'll Never Walk Alone
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The devellopment costs, algorithms and experience gained from the RLX WILL be applied to the NSX.
MR chassis inherently does not understeer as much as FF chassis. I'd imagine MR chassis tends to oversteer. I believe the NSX system is similar to what the Prelude Type SH had before with its ATTS. I'm guessing Honda is trying to get better stability with the NSX system.
MR chassis inherently does not understeer as much as FF chassis. I'd imagine MR chassis tends to oversteer. I believe the NSX system is similar to what the Prelude Type SH had before with its ATTS. I'm guessing Honda is trying to get better stability with the NSX system.
05-12-2013, 06:52 AM
#3
Instructor
There is an electric motor associated with the ICE drive as well, so you get instantaneous torque from that axle as well.
So on the RLX, one gets electric on the rears, electric + ICE on the fronts, nice to for a strong launch, but don't expect tire-smoke ;-)
On the NSX, the ICE will likely have 20% or more greater output, so being on the rear makes sense. The three electric motors just add to that. With the fronts being electric and lacking enough power to overwhelm them, they just add nicely to the acceleration.
As for cross-learning, plenty of sharing here. Some minor variations for sure, but way more to share than not.
To me, the biggest variation would be the torque vectoring algos need different tunings for steered wheels vs non-steered. Although I still hold hope than the Sports Hybrid (if not the NSX) will have the same PAWS setup as the RLX. So they might still need to account for torque + steering angle regardless of layout.
So on the RLX, one gets electric on the rears, electric + ICE on the fronts, nice to for a strong launch, but don't expect tire-smoke ;-)
On the NSX, the ICE will likely have 20% or more greater output, so being on the rear makes sense. The three electric motors just add to that. With the fronts being electric and lacking enough power to overwhelm them, they just add nicely to the acceleration.
As for cross-learning, plenty of sharing here. Some minor variations for sure, but way more to share than not.
To me, the biggest variation would be the torque vectoring algos need different tunings for steered wheels vs non-steered. Although I still hold hope than the Sports Hybrid (if not the NSX) will have the same PAWS setup as the RLX. So they might still need to account for torque + steering angle regardless of layout.
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