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10mph drop doing a left hand turn?

J

jtvang125

Diamond Member
I entered the turn going 40mph and let off the accelerator completely. At the exact moment I straighten out I'm at 30.

Could it be the DSC/DTC kicking in or can that turn really bleed off that much speed?
 
Yes, you can scrub off a lot of speed in a turn, particularly a tight turn. Furthermore, you're engine braking the whole time if you're off the gas, so that will cause an even greater drop.
 
You're scrubbing your tires by turning and not adding any power back... I'd definitely believe a speed drop like that over a longer turn, especially with some engine braking in there.
 
That's what happens when you steer a car. You transferred that 10mph worth of momentum into the earth, slightly changing its rotation
 
Last edited:
rommelrommel said:
Physics, how does it work?
Click to expand...

Yes, I get it that taking a turn is going to bleed off some speed, just didn't think it would be that significant. Therefore I was wondering if the nanny system in my car is kicking in to drop the speed even lower to make the turn a little safer.
 
Whoa, something is seriously wrong with your car. Since 1996 when cars when to the OBDII standard, the federal government has required all cars to gain 10 MPH in left turns, and 8.8 MPH in right turns, for safety and emissions standards. I recommend you stop driving immediately to prevent further damage.
 
thomsbrain said:
Whoa, something is seriously wrong with your car. Since 1996 when cars when to the OBDII standard, the federal government has required all cars to gain 10 MPH in left turns, and 8.8 MPH in right turns, for safety and emissions standards. I recommend you stop driving immediately to prevent further damage.
Click to expand...

That or he could be low on blinker fluid.
 
thomsbrain said:
Whoa, something is seriously wrong with your car. Since 1996 when cars when to the OBDII standard, the federal government has required all cars to gain 10 MPH in left turns, and 8.8 MPH in right turns, for safety and emissions standards. I recommend you stop driving immediately to prevent further damage.
Click to expand...
This.
 
No one mentioned letting off completely is a bad idea? You unload the rear and it`s a good way to throw the arse end out. 🙂
 
science-stand-back.bmp
 
My car gains at least 15 mph in the bends. I've mastered the triangulate apex compression technique, where before entering the turn, I activate the trans-horizontal planar force stored in the tires to maximize the centrifugal slipstream propulsion effects.
 
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