Bike/Car Skidding

[DukeRed]

Was wondering what would happen when I'm on the motorway and the car in front slams on its brakes. If I had a front wheel skid would I slow quicker than them if we were going at the same speed before?

Basically wondering if there's ever a time cars have better braking than bikes. Ice or rain maybe?
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[superstacker]

If you have front wheel skid then chances are you will bin it!

[Sparks!]

Cars almost always have better brakes than bikes, in my opinion.

In a car you can just slam the brakes on full power with no real worries.. On a bike you gotta be a lot more careful, you have better brakes yes, but you can't use them to their full without falling off.

I can stop my car quicker than my bike unless I'm really trying to stop quickly on the bike... in accident prevention type situtaions I'd rather be in the car
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[kb-zxr]

A front wheel skid would probably have you off mate.

Generally you can cain the brakes in the car without fear of falling off.

Its the human / machine equation. In a car-stomp pedal ABS will sort it (not best technique but an example).

Snatch the front brake and lock it you might end up on your arse / face. If you are skillful enough you might be able to stop quicker as you have less mass, but also less discs/wheels/tires etc.

[kb-zxr]

Wow that was a lot of posting in the space of 2 minutes.

[DukeRed]

Hmm true. With a front wheel skid in a straight line (motorway) I've found you don't tend to bin it. Corners are obviously different.
But surely we've got less mass and super duper blue spot brakes / double H pads etc etc.

That's a bit depressing/sobering to think that cars can outbrake me.

edit - ok most of those posts make this a bit obselete - edit
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[SoND]

When you skid it takes longer for you to stop. You have less grip on the road and are just sliding.

If your front wheel skids you might only get to have a small chance to save it, if you're lucky enough to not hit the ground in a split second.
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[stinkwheel]

When you are in low grip conditions, consider the size of the road contact patch on the bike as compared to a car. Especially when nearly all your braking force is going through the front tyre on the bike under hard braking.

Leave a big enough gap!
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[colin1]

I read somewhere that at speeds above 60mph, the 2 second rule shd become the 3 second rule and that at speeds above 100mph, it shd be the 4 second rule.

And you shd double those if its wet.

If you dont think you will stop in time, on a bike you can just nip round them even if its changing lanes without indicating. Id prefer to take the risk if I dont think I'd stop in time.

I guess it wd be good to practise some proper hard braking so I know how quickly I can stop and so I could do it well if needed.
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[ZRX61]

[G]

[colin1]

i was thinking, no braking and avoid the the car in front by dodging it.

I dont cane it on the motorway, so id be pulling off onto the hard shoulder.
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[SoND]

Can someone explain the 2/3/4 second rule for me?

Never heard that term before.
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[Bendy]

Choose a fixed point, a road sign or something. Start counting the seconds when the vehicle in front passes it, stop counting when you pass it.

There's a bit of the M1 has chevrons painted on it to show you how far apart you should be, even thinking you're keeping a good distance you're usually too close.

[pjones_po]

I agree with the masses, an average car with an average driver braking at the same time and speed as an average bike with an average rider I would expect the car to come up alot shorter.

At least in a car you can sometimes have the element of "stamp the floor, shut your eyes and hope for the best".

[deputy]

[extreme3d]

[Jack_Cheese]

[G]

Back brake is often more likely to slide as well however, something to keep in mind.
(Though don't go pulling the front in hard when you see ice just because I said that .)

[Aikman666]

Remember, even though the car will have more powerful brakes (and 4 of them at that) It has alot more momentum to reduce, hence it has more impulse. Whereas your bike, having worse brakes (although not necessarily) will have less momentum to dissapate, hence less impulse. Also the chances are that if you slam on your brakes you will just skid, probably binning the bike, i would say you should probably bang down the gearbox aswell, but that may cause further instability.
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[G]

In good conditions with reasonably tyres and bike the bike should stoppy rather than skid.

Perfect braking is going to be got from the point where the rear wheel is just about to leave the ground.
In this case there's no point doing anything with the rear, brakes or gears.

[Walloper]

When braking force (the force preventing the wheel from turning) exceeds the force pushing you forward then the wheel locks.
When locked the wheel/tyre provides virtually zero braking effect.
The maximum braking effect is at the point just before the wheel stops turning.
So locking the wheel/s extends braking distance.

Any 'side' force will cause the wheel to slip off axis and you're down. Or in a park.

ABS prevents a 'full lock' by rapidly applying and releasing the brake.
(Cadence). Thus the wheel can almost stop but not skid.

Bikes stop in less distance than cars due to effects of mass.
HGVs need to have more efficient brakes than cars or bikes due to extra mass needing to be stopped in a comparable distance.

I hope this helps you stay on.
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[Cog Head]

iv hav my front wheel lock up on gravely type stuff at kingsbury water park before, i was attempting to do an e-stop type thing as there was some idiotic kid running round like a fkn idiot in front of me, and i slid for about 5 metres and didnt bag it, must have been lucky
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