Left foot braking kicks butt

[rco8786]

Heel Gas and Toe Brake is hard if you are tall. I do Heel Brake Toe Gas because I can't get my leg angled the right way under the steering column far enough.

I think I need to figure out how to mount my seat farther back and get a steering wheel spacer, then I will be able to do it.

I'm 6'2"

I have the same problem and Im only 6'. What i do is sort of put the inside of my foot on the right side of the break and roll my foot over to pop the gas.

[MrFox]

LFB is not a constant or sustained petal pressure, it is a tap, that can not be done with the right foot, because it is busy carefuly setting your corner speed. This tap slows the vehicle only very very slightly, as you have not let off of the throttle, but it does transfer weight forward, increasing available tractoin.

1) If you are at the understeer limit, any braking will make the understeer worse. Your front traction circle is already maxed out, forcing it to provide braking will only take away needed side force required for turning. Weight transfer does not occur until there is actual decceleration, There'll be no decceleration until the tires can provide a braking force. But then the braking force will come at the expense of more understeer....

2) If not at the understeer limit, decceleration and weight transfer will occur per your example. Perhaps LFB under power is more comfortable to you than letting off the gas and tapping the brake (The same amount of weight xfr will occur - it is only dependent on the rate of decceleration)

3) However, since you are on the throttle, note that the amount of rear braking force generated by the rear tires will be countered by the forward torque of the drivetrain. For the tires to generate the same amount of decceleration force as POB (to generate weight xfer), the fronts will work propotionally harder. The result is understeer.

Technical arguements are not bad things. It motivates thinking.

[Cyberkreig]

1.) you WOULD be correct, but you arent looking at the entire picture. The weight transfer counteracts the would-be added understeer. by LFB you can afford to LFB.

2.) The actual deceleration is minimized by the fact that you have never left off the throttle. I am talking about shaving off 1-2 mph at the most, just a quick tap.. the tires do not lockup and slide you off the road because the added weight is on them before they can get away.

3.) the result is oversteer. remember this is used in a corner, where there is a lateral load, when you transfer weight forward, you remove rear weight, oftentimes this lets the back end step out.

[MrFox]

1) You must have deceleration FIRST, before you have weight transfer. You are trying to invest funds you do not possess.

2) If there is minimal deceleration, then there will be minimal weight transfer. The excerise is pointless.

3) See above.

[Cyberkreig]

1.)Deceleration and weight transfer happen in concert. you dont slow down FIRST and then shift weight forward. Weight comes forward as you slow down...

2.) we are talking about minimals here. I am not talking about entering a corner at double your normal speed and think you are going to jab at the brakes and glide around it magicaly. Anything too drastic will result in you locking up your front tires and sliding off the road. I am talking about carring a slightly higher entrance speed and tap.. tap.. tap.. the brakes just to keep the front tires planted. Even a slight tap of the brake will give you an extra % of the car on the front tires, enough to hold the road.

[MrFox]

1) I meant cause and effect rather than sequence of events. Traction doesn't just appear out of thin air. You must allocate traction for braking in order to initiate decelearation weight transfer.

2)Minimal deceleration = minimal weight transfer. Why not just let off the gas a bit?

3) If you are truly cornering at the understeer limit, any braking, drastic or not, will result in understeering off the road. Your spazatic braking will do nothing but jerk the car around and promote more understeer. One can stay on a car's traction limits much better if he doesn't drive it like a playstation.

[Cyberkreig]

i am sorry you feel this way, but your arugment doesnt hold water. and your responses have become ruder.

the bottom line is that I drive 100 miles across back roads every day, I HAVE used this technique and it does work.. If you do not understand that it works, perhaps i am not explaining myself well enough. but it works.

it IS used in FF road course circles, and even Tanaguchi "DRIFT KING" can be seen to use it when driving the Toyota MRS in the Touge Battle clip.

[MrFox]

Sorry... just after lunch break... getting sleepy and grumpy.

[MrFox]

I'm not saying LFB under power (LFBUP?) isn't a valid technique! Its just not very useful for weight transfer.

Referring to your examples, a FWD will benifit from the technique because it will gain additional corner entry rotation due to rear brake bias induced oversteer. A MRS will benifit because front brake bias induced understeer will help keep the tail tucked in. This was the original point of my response to C-Kwik. Somehow, the debate has brought us here.....

Again, I apologise if my tone got a bit heavy. Its almost the end of the day in PA isn't it... sigh...

[Cyberkreig]

I had just gotten off the phone with my father :rollseyes. And so i snapped at nothing.

So we agree that LFB has a use.

we simply disagree on wether or not LFB will transfer a substancial amount of weight to the front tires. Maybe its just because the car that i am refrencing most of my experince from has worn shocks/springs. but i am afriad i can not bend on that impression.

well, at least we had a fun conversation, and unlike most 'discussions' on forums we havent reduced this to name calling.

[MrFox]

:bearchug

[drifter_for_life06]

good point cyberkreig, and i agree Mrfox cheers to that :bearchug