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#1 28-02-05 22:31:25

Paul W
Guest

Half Distance Acceleration

Is there anyone who can sum this technique up in a neat sentence?

28-02-05 22:31:25

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Re: Half Distance Acceleration



#2 28-02-05 22:52:50

Stephen7738
Member
From: Warrington
Registered: 12-10-04
Posts: 305

Re: Half Distance Acceleration

Never heard of it , is it anything to do with Accelaration sense which might be the modern day equivelent.
                       Stephen

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#3 28-02-05 22:59:39

Paul W
Guest

Re: Half Distance Acceleration

I saw it mentioned on another site and have nicked the following(not my words)
I believe it was developed for high speed police driving (above the speed limit) On exiting a bend/entering a NSL when making "Maximum Safe Progress", the driver picks out a point halfway up the road, ie between himself and the next bend, and accelerates to that point. (assuming safe to do so) When he reaches that point, he doesn't increase his speed further. He can then consider adjusting his speed for the next bend.

#4 28-02-05 23:05:26

Paul W
Guest

Re: Half Distance Acceleration

Stephen I think your right I have just found this excerpt from John Lyon:

Here's another example of Acceleration Sense. Imagine a 1/4 mile straight of clear road leading into a 90 degree bend. The average Smile driver will lightly accelerate over at least 2/3rds of the straight and then brake for the bend.

I prefer to accelerate firmly (using full power when view is best) over, say, 1/3rd of the distance, during which time I would assess the speed for the corner ahead, then cut the throttle so that engine braking brings the speed down to exactly what is required for the bend."


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#5 28-02-05 23:08:44

crr003
Guest

Re: Half Distance Acceleration

Paul W wrote:

Is there anyone who can sum this technique up in a neat sentence?

One theory is that when you come out of a bend you accelerate hard for half the distance to the next bend.  During the second half you assess the speed required for the next bend and get there using acceleration sense and/or braking.

There are also 1/3-2/3 and 2/3-1/3 variants mentioned (something to do with if the road has a decline or incline).

If you google you can find it mentioned by a Scottish Police driving school.
www.tulliallan.police.uk and there's a thread on www.advanced-driving.co.uk

Roger

OK - just saw you already found one of the sites!

#6 13-03-05 19:38:06

buzdriver
Guest

Re: Half Distance Acceleration

here we go i see that the boy racers are out  :evil:

#7 13-03-05 21:39:12

Paul W
Guest

Re: Half Distance Acceleration

What do you mean Boy Racer? Don't judge me sweetheart you know nothing about me!


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#8 13-03-05 22:12:44

Gizmotime
Administrator
From: Bolton Lancashire
Registered: 05-04-04
Posts: 1,963

Re: Half Distance Acceleration

buzdriver wrote:

here we go i see that the boy racers are out  :evil:

what are you on about Lee  roll  no one has mentioned "boy racers" only you.
If you have nothing constructive to say then please don't say anything.


Advanced driving is not about Boy Racers.

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#9 31-12-05 17:29:02

buz2
Member
Registered: 19-07-05
Posts: 124

Re: Half Distance Acceleration

so why the need for this  :?

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#10 31-12-05 17:51:22

buz2
Member
Registered: 19-07-05
Posts: 124

Re: Half Distance Acceleration

is it eco driving?is it legal to drive on the wrong side of the road to get a better view of the road ahead?im just curious  roll

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#11 04-01-06 07:29:56

ExAdiNigel
Member
From: Plymouth, Devon
Registered: 13-12-04
Posts: 4,739

Re: Half Distance Acceleration

buz2 wrote:

is it eco driving?

Possibly, possibly not, depends on the situation.

buz2 wrote:

is it legal to drive on the wrong side of the road to get a better view of the road ahead?

Perfectly legal.

buz2 wrote:

im just curious  roll

Be careful, remember what curiosity did to the cat!

Nigel


National Standards Cycling Instructor, Ex Adi

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#12 04-01-06 21:56:04

Badger
Guest

Re: Half Distance Acceleration

""so why the need for this ""

Because someone wants to know.

A thirst for knowledge No harm in that.

Not a bad driving technique either  - makes people plan ahead and develops speed awareness.

Badger

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