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#1 08-10-14 21:03:42

AAADI
Verified Member
From: Hertfordshire
Registered: 15-01-06
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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08-10-14 21:03:42

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Re: Hidden Dip - Dead Ground



#2 09-10-14 16:03:30

trunkmonkey
Member
Registered: 05-03-09
Posts: 747

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 09-10-14 19:49:59

AAADI
Verified Member
From: Hertfordshire
Registered: 15-01-06
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 09-10-14 20:13:25

daz6215
Verified Member
Registered: 07-06-08
Posts: 449

Re: Hidden Dip - Dead Ground

Is there a difference?

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#5 09-10-14 22:20:46

trunkmonkey
Member
Registered: 05-03-09
Posts: 747

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 10-10-14 22:20:25

AUTAX
Verified Member
Registered: 22-07-11
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 11-10-14 12:10:35

trunkmonkey
Member
Registered: 05-03-09
Posts: 747

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 12-10-14 15:30:12

Coasting Mart
Verified Member
Registered: 11-06-09
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 12-10-14 21:18:27

Zipper
Verified Member
From: Darwin, Northern Territory Aus
Registered: 20-08-04
Posts: 2,695
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 12-10-14 22:27:08

trunkmonkey
Member
Registered: 05-03-09
Posts: 747

Re: Hidden Dip - Dead Ground

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

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#11 13-10-14 06:33:41

Coasting Mart
Verified Member
Registered: 11-06-09
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 13-10-14 07:29:48

trunkmonkey
Member
Registered: 05-03-09
Posts: 747

Re: Hidden Dip - Dead Ground

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

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#13 13-10-14 21:38:23

AUTAX
Verified Member
Registered: 22-07-11
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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