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Safety camera detectors

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Safety camera detectors

Old 27th Nov 2017, 11:16
  #61 (permalink)  
 
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Originally Posted by Pontius Navigator View Post
As implied elsewhere here, if you are overtaking at the true, legally posted limit then you are under no obligation to yield to the illegal speedster behind you.
He could be legally faster than you.
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Old 27th Nov 2017, 11:20
  #62 (permalink)  

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Originally Posted by KelvinD View Post
My brother swears by Waze and the warnings given via this app. Well, he did until he got a warning of a van on a bridge about 50 msecs before the camera flashed!
When he received the notice of intention to prosecute (he was at 72mph in a 60mph limit), the police actually got the road wrong. The notice stated he was on the A5 when he was actually on the A483, a few miles north of the A5. Still, he will be paying the £100 and taking the points!
Surely he could truthfully claim that he was nowhere near the scene of the alleged offence....
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Old 27th Nov 2017, 11:34
  #63 (permalink)  
 
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I bought a device that told me where speed cameras were but not because I wanted to drive above the speed limit.
A friend lost his licence, having been caught twice on the same day in a newly (to him) restricted stretch of road and I had recently used an unfamiliar main road which had numerous speed limit changes - with some of the marker plates were obscured by the vegetation - so realised I could easily have had a similar outcome.

As for "speed kills" I agree that should be "inappropriate speed kills" and when our town had a Road Safety Committee and I was on it, we also had attending County Council professionals who seemed to think that littering the roads with distracting notices saying "Kill your speed" or "Think" would in some way help safety, but when asked they had no sensible explanation why that should be.
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Old 27th Nov 2017, 11:37
  #64 (permalink)  
 
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The thing with speed limits is that they are abitrarily imposed with no scientific background. This repays reading...
ABD - Speed Limits
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Old 27th Nov 2017, 11:37
  #65 (permalink)  

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Originally Posted by llondel View Post
Such policies are what makes a mockery of speed limits and why people ignore them. If the road is safe at a higher limit then set it higher.
I agree. I know of two local roads where appropriate speed limits seem to have been reversed. One is very narrow, very busy, with houses requiring 24 hour access with many drivers having to cross and three or four side roads making the equation more complicated. It has a fatal accident history. It has a 40mph limit, where 30 mph would seem more appropriate.

The other road, on the other side of town, is probably close to twice as wide. It has no dwelling access. It has wide grass verges and a pavement set well back from the road. There is no fatal accident history. The council recently took down the 40 mph signs and replaced them with a single speed camera sign. This extended the previous 30 mph limit. A few days afterwards they set up mobile speed cameras and unsurprisingly caught hundreds of local drivers out. There seems to be no reason for doing this except to increase revenue from the cameras. The local MP agreed, but no explanation has been published.
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Old 27th Nov 2017, 12:02
  #66 (permalink)  
 
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Do the council get the revenue? I seem to remember cameras being taken out of use because the Treasury got the money and not the Council, so the council refused to pay for the cameras....
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Old 27th Nov 2017, 12:31
  #67 (permalink)  
 
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Bring on self-driving cars’ that will always drive the maximum speed that the conditions warrant.
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Old 27th Nov 2017, 13:53
  #68 (permalink)  
 
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Originally Posted by radeng View Post
Do the council get the revenue? I seem to remember cameras being taken out of use because the Treasury got the money and not the Council, so the council refused to pay for the cameras....
It still goes to the treasury.
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Old 27th Nov 2017, 14:55
  #69 (permalink)  

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Originally Posted by gruntie View Post
Unless absolute accuracy is guaranteed, any manufacturer is going to set the median of a speedometerís accuracy on the Ďfastí side: the last thing they would want to do is be responsible for an under-reading speedo.
Additionally, is GPS that accurate? On a perfectly straight road it would be, but roads arenít straight: it would under-read on the twisty bits & corners. (I donít use them, but I remember dire warnings when they first became widely available)
A GPS unit can be used to check how accurate a car speedometer is. Having built my own cars from parts in the past I've had to calibrate a couple of speedometers and had them checked by the testing authority. But having gained that information, you know what the "optimism" of the speedo is so you don't subsequently need the GPS.

The car I use for commuting uses 70 profile tyres for summer. The speedo over-reads, like that of most cars, by about 4-5%. However, when I fit winter tyres to it, with their 80 profile, the slight increase in tyre height reduces the over-read of the speedo to zero. I checked and confirmed this with a GPS unit. I have to bear this in mind when driving through the miles of motorway speed cameras on my daily commute.
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Old 27th Nov 2017, 15:12
  #70 (permalink)  
 
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"Remove them, take them home, part them out and sell the untraceable components on ebay. "

In the UK there are CCTV cameras everywhere and the locals LIKE their safety cameras and campaign for more - your chance of taking out a camera unnoticed is near zero

and the courts come down heavy on you

Anyway no one has a right to break the speed limit - not even in the Land of the Free
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Old 27th Nov 2017, 15:23
  #71 (permalink)  
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The damage and injury caused by accidents is proportional to the speed at which they occur.
NO - it is proportional to the square of the speed. I would question the driving ability of anyone who thinks otherwise.
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Old 27th Nov 2017, 15:38
  #72 (permalink)  
 
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Speed limits are imposed because we allow unsafe drivers on the roads. Any good driver should be able to assess correctly a safe speed according to a variety of considerations including how they're feeling on the day and whether life issues are getting in the way of their focus. If you need a painted sign to tell you what is safe (even though it may not be) it's probably better you take the bus. I'm now in my 54th year of driving since passing my test.. and that's on four continents. I've never been involved in a traffic accident except on two occasions, one in 1976 when sitting at red traffic light in Munich a Turkish BMW driver slammed into the back of me.. the very efficient German police arrived, fined him 400 marks on the spot (or lose his BMW), and made sure I had his insurance details.
The second while having stopped for a full 30 secs at a pedestrian crossing in a small village in Suffolk a 'people' mover driven by a 22 yr old woman again slammed into the back of my Audi (£7000 damage) .. had I not been there she would have run down the two ladies on the crossing one pushing a toddler in a push chair. Her excuse was "I was attending to my kid in the back".. . The very inefficient British police weren't interested because there were no injuries.. as though driving without due care and attention is OK as long as you don't injure somebody. The lady then followed up by saying "It's only the accident I've ever had" at 22 how many was she expecting to rack up ?
I've no doubt she drove within the speed limits.
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Old 27th Nov 2017, 15:45
  #73 (permalink)  
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Originally Posted by arketip View Post
He could be legally faster than you.
How so? Apart from trucks I believe all vehicles at the same point are limited to the same speed.
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Old 27th Nov 2017, 15:47
  #74 (permalink)  
 
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Originally Posted by Heathrow Harry View Post
"Remove them, take them home, part them out and sell the untraceable components on ebay. "

In the UK there are CCTV cameras everywhere and the locals LIKE their safety cameras and campaign for more - your chance of taking out a camera unnoticed is near zero
Guess what? - there's a reason CCTV cameras are deployed in (at least) pairs - there are places where you could deploy just one and it would last minutes.
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Old 27th Nov 2017, 15:48
  #75 (permalink)  
 
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Speed isn't in itself dangerous. On my standard driving course I spent two weeks haring around the countryside exempt from national speed limits. What I learnt was to look much much further ahead than most drivers and to anticipate and plan for what lay ahead.
You can't legislate for drivers with extra training or natural aptitude though. You have to work to the average.
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Old 27th Nov 2017, 16:25
  #76 (permalink)  
 
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Originally Posted by UniFoxOs View Post
NO - it is proportional to the square of the speed. I would question the driving ability of anyone who thinks otherwise.
I said proportional. I did not say directly proportional or any other scale. I would question the comprehension ability of anyone who thinks otherwise.
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Old 27th Nov 2017, 16:33
  #77 (permalink)  

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Originally Posted by Pontius Navigator View Post
How so? Apart from trucks I believe all vehicles at the same point are limited to the same speed.
Not necessarily so. I've seen a number of vehicles other than HGVs displaying a sign on the rear stating that they are limited to less than the national speed limit. Presumably limited by the company owning them.
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Old 27th Nov 2017, 17:29
  #78 (permalink)  
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Originally Posted by Pontius Navigator View Post
G-CPTN, so all those cameras that are now known to be switched off are illegal?

What about a cut out policeman?
We have very recently had a 20mph speed limit imposed on a 'rat-run'.

One resident has taken it upon himself to stand with a clipboard whilst wearing a hi-viz jacket.

That was the topic of my conversation with the police Inspector - who wouldn't support the activity.
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Old 27th Nov 2017, 17:30
  #79 (permalink)  
 
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Here in Alberta you can get away with 15 km/h over on the speedo; so maybe 10 over on the radar. It takes just as long to write a ticket for 10 over as it does for 30 over and there's plenty of business writing 30 over and a much more expensive ticket

The cops have moving radar as well as stationary. One trailed me for 15 km while I had cruise control at +15, then passed me. The cameras will tag you at 10 over in playground / school zones and 15 over elsewhere. The local playground is regularly monitored with a camera setup in a pickup truck. I've seen just about all the city runs as it's on my daily walk. They are all shiny clean and reasonably new. In cold weather you can see the exhaust. The engine has to run to power the radar.

Pickup trucks parked well off the road on expressways get my attention.

We only have rear license plates in Alberta, which gives you a bit of time to slow down if you spot one coming up

Cruise control keeps you under the enforcement threshold.

Calgary has speed on green cameras on certain intersections.
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Old 27th Nov 2017, 17:36
  #80 (permalink)  
 
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Originally Posted by Pontius Navigator View Post
How so? Apart from trucks I believe all vehicles at the same point are limited to the same speed.
Because the speedometer by law can show up to +10% (-0)

lets say the road's speed limit is 70 MPH.

If your car has the 10% tolerance, when it shows 70 MPH you are actually going at 63.5 MPH.

If the other car's speedometer if exactly calibrated he will be going at 70 when showing 70.

6.5 MPH difference, legally.
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