2. The 'Hawkeye'
The camera will be triggered when the data incident recorder starts -- based on a G-force or acceleration change -- and will be used by NASCAR to analyze the cause of injuries after a crash. The video will not be made publicly available and NASCAR doesn't expect to use it to help determine whether a driver could have suffered a concussion or other injuries.
NASCAR opted to not have a ride-height rule a minimum 4-inch clearance from the front splitter to the ground for Daytona and Talladega. NASCAR believes that lift-off speed when the car is rotating or spinning will change from mph in previous years to mph. Jimmie Johnson predicted speeds under the new rules will be 20 mph faster -- meaning drivers could be doing laps of mph to mph. In the Xfinity Series, the front bumpers and rear bumpers won't align, so that should eliminate the ability to push-draft.
This has gotten a lot of buzz on social media, but the best guess is that it won't be all that noticeable by fans during race weekends. In an attempt to save engine builders money by lowering the cost of engine leases, NASCAR will require teams to use a sealed engine in 13 events. The short block engine assembly engine block, crankshaft, camshaft, connecting rods, pistons and oil pan cannot be altered.
Teams will be allowed to change cylinder heads and valve springs. A team doesn't have to use the same engine it used in an earlier race -- any sealed engine from any car will work.
To get credit for using a sealed engine, the engine must last 25 percent of the second race in which it is used. If a team wins a race with an engine being used in its first race, the team will get to count that race among the 13 sealed-engine races because that race-winning engine will be torn down to make sure it's legal. If it is a playoff team and it gets to Phoenix without having met the race minimum, it would be automatically eliminated prior to Homestead.
If a sealed engine is found to be illegal, then the penalties would be issued for both events and both teams, if two different teams used the engine in each race. In past years, if a driver crashed in practice prior to qualifying and had to go to a backup car, the driver got to start the race based on qualifying position because the car qualified was the same car that raced. But with confusion in the rules, NASCAR decided that anytime a driver goes to a backup car, the driver must start the race at the rear.
That should mean the side skirts can't be flared, as they often were when they were steel. If the side skirts drag the track when going from the apron to the racing surface, they should pop back into place instead of remaining flared.
The Daytona will have a single-engine rule, meaning the days of teams changing engines between Thursday's qualifying races and Saturday's final practice are over. If a team changes an engine in its primary car at Daytona, it not only starts at the rear for the qualifying race and the Daytona but also for the next race Atlanta , too.
That only occurs if it is in the primary car; if a team crashes, it can put a backup engine in its backup car and just start at the rear at Daytona. That might sound harsh, but NASCAR has cut down the practice time, including not having any practice between single-car qualifying Sunday and the qualifying races Thursday. Cars will be impounded after single-car qualifying Sunday and no adjustments will be allowed until the start of the qualifying race Thursday.
If the nose of a car crosses the line of the pit box exit, no work can be done, including fueling of the car.
That ends the confusion of the exception implemented during the season, when a team could tighten lug nuts even when the car was partially outside the box. And it eliminates the ability of the fueler to keep fueling as the car is partially out of the box while leaving the pit.
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Not worth restarting without Truex 16h Bob Pockrass. Chastain snares breakthrough Xfinity win in Vegas 1d Bob Pockrass. If necessary, trigger nested updates in componentDidUpdate. Target container is not a DOM element. The node you're attempting to unmount was rendered by another copy of React. The node you're attempting to unmount was rendered by React and is not a top-level container. Target container is not valid.
This usually means you rendered a different component type or props on the client from the one on the server, or your render methods are impure. React cannot handle this case due to cross-browser quirks by rendering at the document root. You should look for environment dependent code in your components and ensure the props are the same client and server side: This generally means that you are using server rendering and the markup generated on the server was not what the client was expecting.
React injected new markup to compensate which works but you have lost many of the benefits of server rendering. Instead, figure out why the markup being generated is different on the client or server:
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