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#1 Wednesday 8th October 2014 22:03:42

AAADI
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From: Hertfordshire
Registered: Sunday 15th January 2006
Posts: 29

Hidden Dip - Dead Ground

Hi All,  Banging my head trying to find the reference in Roadcraft to Hidden Dip.  Anyone know the page number  sad

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Wednesday 8th October 2014 22:03:42

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Re: Hidden Dip - Dead Ground



#2 Thursday 9th October 2014 17:03:30

trunkmonkey
Member
Registered: Thursday 5th March 2009
Posts: 754

Re: Hidden Dip - Dead Ground

Do I sense  RoSPA Diploma question here?   yikes

The term 'hidden dip' is mentioned very briefly in the Overtaking chapter but I don't believe that is what the examiner is after. 

If I'm on the right lines then let me know and I'll PM or email you the information you need.

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#3 Thursday 9th October 2014 20:49:59

AAADI
Verified Member
From: Hertfordshire
Registered: Sunday 15th January 2006
Posts: 29

Re: Hidden Dip - Dead Ground

Hi Trunkmonkey

You have hit the preverbial nail  lol

The question is: Differences between the approach to a Hill Crest and Hidden Dip; What advice to a pupil Etc.

Discussion between 6 delegates has produced 7 opinions big_smile

So any help would be welcome.

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#4 Thursday 9th October 2014 21:13:25

daz6215
Verified Member
Registered: Saturday 7th June 2008
Posts: 449

Re: Hidden Dip - Dead Ground

Is there a difference?

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#5 Thursday 9th October 2014 23:20:46

trunkmonkey
Member
Registered: Thursday 5th March 2009
Posts: 754

Re: Hidden Dip - Dead Ground

AAADI wrote:

Hi Trunkmonkey

You have hit the preverbial nail  lol

The question is: Differences between the approach to a Hill Crest and Hidden Dip; What advice to a pupil Etc.

Discussion between 6 delegates has produced 7 opinions big_smile

So any help would be welcome.

Just seen this.
I sent you an email at around 7.00pm before I saw this, but I think I'd still give the same reply.

Daz,
Break down the elements of the system and it should show a different approach

Separately,from a training point of view we have far more vision approaching a dip than we do approaching a crest of a hill.
Why do we have far more KSI's in the dip than on the crest?

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#6 Friday 10th October 2014 23:20:25

AUTAX
Verified Member
Registered: Friday 22nd July 2011
Posts: 1,032

Re: Hidden Dip - Dead Ground

A straight road with a hidden dip gives the perception of just that a straight road
and if an overtaking manoeuvre is being planned without the knowledge of the dip
then halfway throughout the manoeuvre a vehicle can suddenly appear out of the
dip just like something rising from the earth hence dead ground.

Confronted with a crest that cannot be seen over then only an idiot would attempt
an overtaking manoeuvre when the road ahead cannot be seen.


Be Fear-less, go GEAR-LESS!

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#7 Saturday 11th October 2014 13:10:35

trunkmonkey
Member
Registered: Thursday 5th March 2009
Posts: 754

Re: Hidden Dip - Dead Ground

AUTAX wrote:

A straight road with a hidden dip gives the perception of just that a straight road
and if an overtaking manoeuvre is being planned without the knowledge of the dip
then halfway throughout the manoeuvre a vehicle can suddenly appear out of the
dip just like something rising from the earth hence dead ground.

Confronted with a crest that cannot be seen over then only an idiot would attempt
an overtaking manoeuvre when the road ahead cannot be seen.

And in a classroom context, write those three words on the flipchart and discuss them.

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#8 Sunday 12th October 2014 16:30:12

Coasting Mart
Verified Member
Registered: Thursday 11th June 2009
Posts: 967

Re: Hidden Dip - Dead Ground

I have to hide the Guacamole in the fridge or the rest of the family eat it!   cool


"I swear I found the key to the universe in the engine of an old parked car"

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#9 Sunday 12th October 2014 22:18:27

Zipper
Verified Member
From: Darwin, Northern Territory Aus
Registered: Friday 20th August 2004
Posts: 2,710
Website

Re: Hidden Dip - Dead Ground

OK now I get it - "hidden dip" big_smile - I'm unusually slow this morning.


Zipper ("G'Day Mate!")
I'm not 65! I'm only $59.95+tax
www.drivingnt.com

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#10 Sunday 12th October 2014 23:27:08

trunkmonkey
Member
Registered: Thursday 5th March 2009
Posts: 754

Re: Hidden Dip - Dead Ground

Yep,
Nothing worse than careering into a red hot chilli hummus

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#11 Monday 13th October 2014 07:33:41

Coasting Mart
Verified Member
Registered: Thursday 11th June 2009
Posts: 967

Re: Hidden Dip - Dead Ground

I'm sure there's a cartoon in there somewhere, just my art abilities are even worse than my humour.  cool
I do on occasion advise clients to watch out for the hummus - gets them thinking!

And don't forget, after a hot spell watch out when you see signs warning of a congealed exit!  big_smile


"I swear I found the key to the universe in the engine of an old parked car"

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#12 Monday 13th October 2014 08:29:48

trunkmonkey
Member
Registered: Thursday 5th March 2009
Posts: 754

Re: Hidden Dip - Dead Ground

Or a congealed entrance - a sign often placed close to a Hospital

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#13 Monday 13th October 2014 22:38:23

AUTAX
Verified Member
Registered: Friday 22nd July 2011
Posts: 1,032

Re: Hidden Dip - Dead Ground

How about con-cealed approaching a prison?

Con, sealed. Prisoner locked up. OK rubbish but I thought it may raise a titter.  smile


Be Fear-less, go GEAR-LESS!

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