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Wannabevetnurse
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#1
does anyone know why the seatbelt locks up when you pull it out fast, but not when you pull it out slowly??
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Spelunker
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#2
Wannabevetnurse
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#3
(Original post by Spelunker)
so when the car jolts and you have a seat belt in you don't fly out your seat
so when the car jolts and you have a seat belt in you don't fly out your seat
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BlueChicken
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#4
As Spelunker says, it is to stop you in the event of a crash. Your inertia is separate to that of the vehicle, so just because the car suddenly stops, you do not - so the seatbelt is there to stop you (and to spread the force over bits of you that can withstand it). It’s called an “inertia reel” seat belt - see (for example): https://auto.howstuffworks.com/car-d.../seatbelt3.htm
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Wannabevetnurse
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#5
(Original post by BlueChicken)
As Spelunker says, it is to stop you in the event of a crash. Your inertia is separate to that of the vehicle, so just because the car suddenly stops, you do not - so the seatbelt is there to stop you (and to spread the force over bits of you that can withstand it). It’s called an “inertia reel” seat belt - see (for example): https://auto.howstuffworks.com/car-d.../seatbelt3.htm
As Spelunker says, it is to stop you in the event of a crash. Your inertia is separate to that of the vehicle, so just because the car suddenly stops, you do not - so the seatbelt is there to stop you (and to spread the force over bits of you that can withstand it). It’s called an “inertia reel” seat belt - see (for example): https://auto.howstuffworks.com/car-d.../seatbelt3.htm
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Anholm
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#6
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#6
(Original post by Wannabevetnurse)
ok but how does it know the difference in the speed?
ok but how does it know the difference in the speed?
When you pull the belt quickly, you give the 'arms' attached to the drum a lot of inertia so they fling out, get caught on the metal teeth and stop the drum from turning, stopping the seatbelt coming out
I haven't used the correct terminology but I hope this gives you a rough idea how it works
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