working out your spead from camera piccys

[tvr totty]

hi guys,

just waiting for piccy from the law to see how many white marks were showing. saw a thread about how to work out your actual speed from the piccy. but can't find it.

thing is a) our snooper never detected the van

b) there is no way we were doing the speed suggested, we had just come out of a turning, and got caught in trafic.

any one out there know how to work this. i seem to remember something about, every line showing is 5mph, can anyone confirm.

also do they use the trevello type mobile cameras as well as the gatso?? - never come across this before

all advice greatly appreciated.

x

[puggit]

I would suggest ignoring anything you've heard and running the investigation yourself.

The letter should include the time period that the camera was set to take to pictures over.

Using 2 the pictures, go to the site and physically measure the distance that the photos show that the vehicle moved. (be careful )

Following a recent case regarding parking, make sure the pictures are not doctored!!

Speed = distance/time (distance divided by time)

[Tafia]

tvr totty said:

hi guys, just waiting for piccy from the law to see how many white marks were showing. saw a thread about how to work out your actual speed from the piccy. but can't find it. thing is a) our snooper never detected the van b) there is no way we were doing the speed suggested, we had just come out of a turning, and got caught in trafic. any one out there know how to work this. i seem to remember something about, every line showing is 5mph, can anyone confirm. also do they use the trevello type mobile cameras as well as the gatso?? - never come across this before all advice greatly appreciated. x

Hi,

Go to www.abd.org.uk/ and click on Gatso photo checking on the main page.

Enjoy

[icamm]

If it was a van there are unlikely to be the road markings required at a fixed site.

[tvr totty]

thanks peeps - icamm there were definately white markes on the road, must be a permanent place to catch people although no houses, no schools blah blah

appreciate your help all
x
x

[pdV6]

icamm said:

If it was a van there are unlikely to be the road markings required at a fixed site.

Lots of fixed mobile sites springing up all over the country...

[andyps]

pdV6 said:

[quote=icamm]Lots of fixed mobile sites

Isn't that an oxymoron?

I know what you mean though, unfortunately.

[nonegreen]

Measure the distance between the lines.

Using S=UT + 1/2 AT2

as A (acceleration) is considered to be zero

S = UT

Ask the court the interval between photographs (T)

From photograph measure distance (S) by counting the lines between the images.


Substiture in formula using distance in Metres, time (T)in seconds and get velocity in M/S. Then convert to MPH and tell them to sod off. (Most legal types are completely innumerate cos they are a bit fick actually if truth be known. good luck.