Discussion
Was reading up on these at the weekend (you can guess why).
To get snapped, you have to be breaking the limit at the point where the sensors are in the road? And how far are the sensors from the white markings? I read that it should be 1.8 meters. Is it possible to have them further forward than this? Also, is there a maxium distance from the camera for the sensors/markings?
I was approaching one a bit keenly, saw it and slowed down well before the markings, just wondered if it can snap you from a distance?
To get snapped, you have to be breaking the limit at the point where the sensors are in the road? And how far are the sensors from the white markings? I read that it should be 1.8 meters. Is it possible to have them further forward than this? Also, is there a maxium distance from the camera for the sensors/markings?
I was approaching one a bit keenly, saw it and slowed down well before the markings, just wondered if it can snap you from a distance?
esselte said:
Or if you ride a motorbike you can pull a wheely through them at 80mph.......
If you slowed before the lines you should be fine.
How would a wheelie stop the sensors from triggering the camera?
Truvelos take photos from the front, where bikes don't have plates, the wheelie is just immaterial flamboyance.
neil.b said:
Was reading up on these at the weekend (you can guess why).
To get snapped, you have to be breaking the limit at the point where the sensors are in the road? And how far are the sensors from the white markings? I read that it should be 1.8 meters. Is it possible to have them further forward than this? Also, is there a maxium distance from the camera for the sensors/markings?
The picture must clearly show the position of the appropriate wheel on the white lines, as well as the VRM (and maybe the driver). I guess some optical zoom would enable the camera to be further away.
neil.b said:
I was approaching one a bit keenly, saw it and slowed down well before the markings, just wondered if it can snap you from a distance?
You’ll know if you were done by a truvelo because there will have been a very visible magenta flash.
To be flashed, you have to be above the trip speed when your front wheel reaches the second strip of the pair of sensors (4 strips in total). To be prosecuted, you have to be on or within the three white lines (after the sensors) at the time of the flash, thus the photo gives corroborating speed measurement by extrapolation delay of the flash based on your calculated speed (hence no sensor at that point).
www.truvelouk.com
edited to make more sense - hopefully
>> Edited by supraman2954 on Monday 13th June 14:30
Einion Yrth said:
MilnerR said:
Or if you ride a motorbike you can pull a wheely through them at 80mph.......
If you slowed before the lines you should be fine.
How would a wheelie stop the sensors from triggering the camera?
Truvelos take photos from the front, where bikes don't have plates, the wheelie is just immaterial flamboyance.
PMSL
While driving over the cat and fiddle road between macclesfield and buxton i was gingerly proceeding past a mobile scamera unit (hidden behind a large road sign near the cat and fiddle pub btw) when 3 bikers came howling past me all with their front wheels in the salute position. Not very reponsible riding but bloody funny all the same 
MilnerR said:
While driving over the cat and fiddle road between macclesfield and buxton i was gingerly proceeding past a mobile scamera unit (hidden behind a large road sign near the cat and fiddle pub btw) when 3 bikers came howling past me all with their front wheels in the salute position. Not very reponsible riding but bloody funny all the same
The Cat & Fiddle road (A537) seems to be highly regarded by some PHers, so would somebody tell me why it is felt to be so appealing.
I travelled it last week on my way home from foreign parts (where they keep painting ARAF on the road
) and I found it disappointing. The whole thing is only about 8 miles long, and from the Macclesfield end you get a lot of tight bends with very short straights in between until you reach the C & F itself. After the pub at the top there is a slightly downhill section with one or two fast LH bends, good for an easy 85 mph I found, and soon after that we were down into the Buxton area. For the most part it seemed to me a good road for short bursts of acceleration/hard braking/tight bends at lowish speed, all good stuff for giving your car a lot of wear and tear for not much reward. It's only personal preference of course, but I find a road with high speed sweeping bends much more appealing, where you can get along very quickly, but smoothly as well.
Best wishes all,
Dave.
There's a couple of short cuts along some very nice twisty country roads that are worth a blat in good weather, just be careful of your wing mirrors, they can become numpty fodder if you're not careful. The main road bit is more of a bikers road, it often appears in many of the bike magazines. It's supposed to offer similar road riding to some stretches of the IoM TT, which would explain why it eats so many bikers every year....
docjan said:You can’t drive around with the crystals permanently fixed in its opaque state, for obvious reasons. It won’t help if triggered by a flash as its response time is far too slow (compared to the duration of the flash, which is the main source of illumination of the VRM).
You know, I was just thinking, when clear material that has liquid crystal sandiched in it and electrical current is passed through, the once clear material becomes opaque...
How about turning it on with manual control just before you see a speed trap/also having it ready to go by combining with radar, laser and GPS detectors... even if only for warning to turn on manually (perhaps laser detectors automatically setting it off if you're above a 70 mph)
Obviously you wouldnt want to make a habit of speeding everywhere with the thing...
Obviously you wouldnt want to make a habit of speeding everywhere with the thing...
docjan said:I considered this as I was typing the last post. The possibilities are:
How about turning it on with manual control just before you see a speed trap/also having it ready to go by combining with radar, laser and GPS detectors... even if only for warning to turn on manually (perhaps laser detectors automatically setting it off if you're above a 70 mph)
Obviously you wouldnt want to make a habit of speeding everywhere with the thing...
LCD triggered by GPS alert (for Gatso, Truvelo): you may as well use the alert to slow yourself down (plod have been known to nick deliberate speeders at scam sites as they are obviously bucking the system), but it might work.
LCD triggered by GPS alert (for SPECS): I don’t if/how the system will flag a fault. Probably could work, but again you may as well use the alert to slow yourself down. There are better methods for these
More significantly - LCD triggered by mobile Laser/Radar alert: do you want to drive past plod with a totally blacked out VRM? They will notice as its where they aim the crosshairs. A definite case of obstruction, the video will prove all in court. I doubt it’ll stop plod getting a valid speed reading, but that would be the least of your worries.
It won’t do anything against VASCAR
So it can work well in some circumstances, but IMO it doesn’t justify the consequences if caught, which is likely if activated by a mobile site.
TripleS said:Right then:-
The Cat & Fiddle road (A537) seems to be highly regarded by some PHers, so would somebody tell me why it is felt to be so appealing.
...
For the most part it seemed to me a good road for short bursts of acceleration/hard braking/tight bends at lowish speed, all good stuff for giving your car a lot of wear and tear for not much reward. It's only personal preference of course, but I find a road with high speed sweeping bends much more appealing, where you can get along very quickly, but smoothly as well.
Best wishes all,
Dave.
1) Not all of us are lucky enough to live among the N Yorks road network!
2) Some of us have cars which are either far better at cornering than acceleration, or which grip like
y around corners, or generally we prefer cornering to high-speed blatting. Me? I enjoy not having to break the speed limit.
[Edit: Sorry, missed some words out, that should have been not having to brake before I corner at the speed limit :hehe ]
havoc said:
The Cat & Fiddle road (A537) seems to be highly regarded by some PHers, so would somebody tell me why it is felt to be so appealing.
...
For the most part it seemed to me a good road for short bursts of acceleration/hard braking/tight bends at lowish speed, all good stuff for giving your car a lot of wear and tear for not much reward. It's only personal preference of course, but I find a road with high speed sweeping bends much more appealing, where you can get along very quickly, but smoothly as well.
Best wishes all,
Dave.
Right then:-
1) Not all of us are lucky enough to live among the N Yorks road network!
2) Some of us have cars which are either far better at cornering than acceleration, or which grip like
Me? I enjoy not having to break the speed limit.
[Edit: Sorry, missed some words out, that should have been not having to brake before I corner at the speed limit :hehe ]
Hiya Martin and everyone.
Yes, I do count myself lucky to have the roads of North Yorkshire to play on.
As for cars, mine brakes and corners adequately for normal road driving purposes, but the acceleration is feeble.
I don't have to break the speed limit, it just happens naturally - and frequently.
Incidentally some of the C & F bends are (IIRC) not only tight, but have poor visibility as well. In those cases even if you have great cornering power you'd need to keep the speed down for visibility reasons.
Best wishes all,
Dave.
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