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Best distances for POI Warnings? (lost site)

 
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vibeone
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Joined: Mar 08, 2006
Posts: 128

PostPosted: Tue Oct 24, 2006 12:43 pm    Post subject: Best distances for POI Warnings? (lost site) Reply with quote

Hi,

I found a site which gave ideal distances to set at each speed (basically for the speed cameras POIs).

Anyone remember it please?
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gpsn3wbie
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Joined: Apr 05, 2006
Posts: 176

PostPosted: Tue Oct 24, 2006 12:54 pm    Post subject: Reply with quote

not sure but 500 yards in a 70 wasnt enough for me Sad
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MarkHewitt
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Joined: Nov 16, 2004
Posts: 1077
Location: Chester-le-Street & York

PostPosted: Tue Oct 24, 2006 12:57 pm    Post subject: Reply with quote

I just add a zero to the speed concerned so 30mph becomes 300yards etc. It seems to work well.
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vibeone
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Joined: Mar 08, 2006
Posts: 128

PostPosted: Tue Oct 24, 2006 1:17 pm    Post subject: Reply with quote

Thats what I did, but at the higher speeds (60/70) its sometimes a bit tight for my liking (even at the speed limit, honest guv!).

The site I'm on about was quite specific, and gave the time in seconds to put in, for a 15 second warning, 30 second warning or 45 seconds.

Oh well if nobody knows it maybe I was dreaming. I'll stick with x10 for now.
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mikealder
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Joined: Jan 14, 2005
Posts: 19638
Location: Blackpool , Lancs

PostPosted: Tue Oct 24, 2006 2:05 pm    Post subject: Reply with quote

Have a read of the camera install guide I wrote for the TomTom Go 910 there are sugested distances relative to time in a table towards the end, I use 1027 Yards for 70 MPH - Mike
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vibeone
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Joined: Mar 08, 2006
Posts: 128

PostPosted: Tue Oct 24, 2006 2:42 pm    Post subject: Reply with quote

Thanks Mike, Thats the site I had seen in the first place!

I couldn't (And still can't) see it linked to from the cameras page though? I had to find it through google based on your post.

Thanks again
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Border_Collie
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Joined: Feb 01, 2006
Posts: 2543
Location: Rainham, Kent. England.

PostPosted: Tue Oct 24, 2006 4:06 pm    Post subject: Reply with quote

Mph - 30s - 20s - 15s 10 secs warning.

70 - 1173- 782 - 587 - 391 yards
60 - 1026- 684 - 513 - 342
50 - 879 - 586 - 440 - 293
40 - 732 - 488 - 366 - 244
30 - 588 - 392 - 294 - 196
20 - 441 - 294 - 221 - 147

For a 30 second warning at 70mph = 1026 yards. Obviously the warning is only needed if you are exceeding the limit. So I have used 1173 yards which is actually a 30 second warning if you are travelling at 80mph, the same applies throughout the range.
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