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Sedans Toyota Camry 2010 Toyota Camry
542 messages, Last post on Nov 11, 2009 at 12:05 PM
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Replying to: thegraduate (Nov 10, 2008 10:06 am) Wrong, DEAD wrong...!! Assuming equally capable VSC systems the RWD or R/AWD will still remain less hazardous overall, but certainly so in wintertime conditions. Look at how, what most VSC systems do for a vehicle that is understearing. On the assumption that the front wheels have no "reserve" traction they dethrottle the engine and apply braking to the rear wheels, hopefully remaining with some "reserve" traction. Some of newer vehicles with electric power stearing will even apply a counter-stearing force to the stearing wheel against your stearing control input. With over-stearing it is presumed that some reserve traction remains at the front so differential braking is used at the front to create a "moment" counter to the over-stearing direction. But in a rather strange way it may be that you are correct. Since wheelspin/slip due to engine torque is so potentially hazardous in a FWD or F/AWD the VSC/TC systems will be inordinately QUICK, in comparison to RWD or R/AWD(***), to dethrottle the engine the very INSTANT wheelspin/slip is detected. The result.....?? Increased SAFETY of FWD and F/AWD since fewer FWD and F/AWD owners will venture out once they initially encounter TC activation. *** Since the potential for loss of directional control isn't as great for RWD or R/AWD vehicles many TC systems delay dethrottling the engine for several hundred milliseconds once wheelspin/slips develops due to engine torque. If the driver doesn't respond fairly quickly by feathering the throttle then TC will then dethrottle the engine. |
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The first time I heard about it is from Yamaha. It is used in some of their ATVs. It is efficient and clean. It may take some time before the auto manufacturers bring it to perfection in terms of durability and handling. If the long term durability exceeds the current hydraulic system, then there is no point of going back to the hydraulic pump. Also, I believe the electric motor should be cheaper and easier to change than the pump.
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Replying to: aalsherri (Nov 11, 2008 10:33 pm)
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Replying to: waltchan (Nov 12, 2008 11:35 am) This could easily just be a small little electric/hydraulic pump using the same steering as today....in which case you'd still have steering. I'm sure the engineers' have thought about loosing electrical power.
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Replying to: waltchan (Nov 12, 2008 11:35 am) |
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Replying to: kiawah (Nov 12, 2008 11:45 am) Most current electric power stearing systems have an overheat mode wherein it operates at reduced capacity if used "too"(??) much. Apparently a few owners have already encountered this problem.
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Replying to: wwest (Nov 12, 2008 4:09 pm) My granddad preferred the non-power steering of his old Honda to the power-assisted steering on his Frontier. Said it was much easier to keep straight on the highway.
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Replying to: thegraduate (Nov 12, 2008 4:37 pm) Honestly, you can say whatever you want about FWD vs. RWD cars. The problem is during this day, RWD sedans have become associated with Luxury/sports cars far more than regular sedans. It's very difficult to find a RWD sedan for < $30k. The exceptions are the Pontiac G8 and the Dodge Charger/Chrysler 300C, which both cars can EASILY be pushed above $30k by adding on a few options. Realize that the only import car is the G8... since the G8 is Australian, is that considered an upgrade or a downgrade compared to domestics? Back on topic, I've heard about the woes of the Corolla's EPS, but I haven't experienced it first hand yet. Some people describe it like "steering a brick" except that the brick would at least tell you what its limits were.  Hopefully, the 2010 Camry will stay clear of this sort of approach.
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Replying to: madpistol (Nov 12, 2008 10:29 pm) 
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Replying to: thegraduate (Nov 13, 2008 6:54 am)
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