I strongly believe it is the traction control that caused my (AII) SS to go out of control, in fact this was the second time that day.
My theory is as follows;
Weather conditions light drizzle wet roads with a stream of water crossing the road at one point. One front tire hits the stream of water causing an inconsistency between the front tires causing the opposite front tire to apply the break, about that point in time the rear wheel hits that water now causing the slingshot to pivot or start the spin.
A more in-depth explanation = when one front (RT) tire hits water it hydroplanes and slows that tire speed and pulls the SS in that (RT)direction. at this point your SS has now slightly changed directions. This action has caused the traction control to apply brake pressure to the (Left) front wheel and now causing the SS to change directions again. At this point your rear tire is now in that water puddle (no traction) which magnifies the brake pressure and causes the rear end to spin out towards the right. Your rear tire has completed a zig and a zag and now you’re in for the ride until you can countersteer and bring the SS under control.
Obviously the better your tires are the more traction you have also the type of tire pattern helps disperse the water.
The first time my SS hydroplaned I was in the far left lane with medium to heavy traffic. I lifted my foot off the gas peddle and counter steered eventually sending my Sling across 4 lanes of traffic at a 45° angle to the lanes of traffic and into the safety lane on the right-hand side of the road. I countersteer again to correct my angles to the road and picked up another spin finally getting it pointed in the right direction and back in control dropping more than 25 mph from the initial speed I was going.
The second time in heavier rain traveling about 45 mph I was on the high side of the slope of the road in the far right hand lane when that spin started again. I headed to the left side this time and hit my brakes then totally losing control and the concrete barrier jumped out at me.
Given the traffic conditions I was extremely lucky to be in an empty pocket when these events happened.
My suggestion is as I will do from now on, is to deactivate the traction control in wet conditions.
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