Naks Posted July 3, 2019 Share Posted July 3, 2019 (edited) very interesting to see how it works: Edited July 3, 2019 by Naks 1 Quote Link to comment Share on other sites More sharing options...
reb78 Posted July 3, 2019 Share Posted July 3, 2019 Interesting it copes so much better with one rear wheel with traction vs the scenario with one front wheel with traction. Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted July 3, 2019 Share Posted July 3, 2019 6 minutes ago, reb78 said: Interesting it copes so much better with one rear wheel with traction vs the scenario with one front wheel with traction. I suspect doing this in a flat tarmac car-park with rollers doesn't fully/properly demonstrate its behaviour. Quote Link to comment Share on other sites More sharing options...
reb78 Posted July 3, 2019 Share Posted July 3, 2019 1 hour ago, FridgeFreezer said: I suspect doing this in a flat tarmac car-park with rollers doesn't fully/properly demonstrate its behaviour. I should think you are right - On rough ground the traction/lack of would move around quite a lot. Just odd how on identical ground surfaces, it acts quite differently? Almost like it preferentially puts power to the rear, but i dont think thats the case. . Quote Link to comment Share on other sites More sharing options...
BogMonster Posted July 3, 2019 Share Posted July 3, 2019 Couple of things 1. There's already a leak underneath it 2. It does show how much wheelspin is needed to trigger it which mirrors my experience of the old TC system and my limited experience of the D3. In difficult high load conditions you just get lots of wheelspin on alternating wheels as it jumps around trying to transfer the power, and f all forward motion. Quote Link to comment Share on other sites More sharing options...
Naks Posted July 4, 2019 Author Share Posted July 4, 2019 23 hours ago, reb78 said: Interesting it copes so much better with one rear wheel with traction vs the scenario with one front wheel with traction. yep, that's down to the active rear diff, which locks very quickly to improve traction. Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted July 4, 2019 Share Posted July 4, 2019 13 hours ago, BogMonster said: It does show how much wheelspin is needed to trigger it Yeah I was surprised how much wheel spin is allowed before it gets a grip, although I wonder if it would be different if it wasn't the "all-or-nothing" tarmac/roller setup? Given the TR system knows absolutely loads about what's going on, it knows it's basically flat & level on tarmac so is probably outside its normal behaviour - they surely anticipated the "driver left TR in sand mode and then drove home on tarmac" scenario... Quote Link to comment Share on other sites More sharing options...
Ex Member Posted July 4, 2019 Share Posted July 4, 2019 16 hours ago, BogMonster said: 2. It does show how much wheelspin is needed to trigger it which mirrors my experience of the old TC system and my limited experience of the D3. In difficult high load conditions you just get lots of wheelspin on alternating wheels as it jumps around trying to transfer the power, and f all forward motion. Yep. That is the problem. When you are on a steep hill and need power, the TC takes it all. Even on this flat ground, you can hear the engine working hard. As above the rear locker helps a lot if you have one with that option. Quote Link to comment Share on other sites More sharing options...
garrycol Posted July 4, 2019 Share Posted July 4, 2019 That vid shows nothing about how the terrain response system works but shows exactly the traction control system works. 1 Quote Link to comment Share on other sites More sharing options...
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