Home PageFacebookRSS News Feed
PocketGPS
Web
SatNav,GPS,Navigation
Pocket GPS World - SatNavs | GPS | Speed Cameras: Forums

Pocket GPS World :: View topic - Motorways Trial New Speed Limit As Nearly Half Exceed 70 MPH
 Forum FAQForum FAQ   SearchSearch   UsergroupsUsergroups   ProfileProfile   Log in for private messagesLog in for private messages   Log inLog in 

Motorways Trial New Speed Limit As Nearly Half Exceed 70 MPH
Goto page Previous  1, 2, 3, 4  Next
 
Post new topic   Reply to topic    Pocket GPS World Forum Index -> Non-Technical Speed Camera Discussions
View previous topic :: View next topic  
Author Message
loadswine
Occasional Visitor


Joined: Mar 30, 2006
Posts: 1

PostPosted: Sat Mar 24, 2012 9:01 am    Post subject: Reply with quote

Its not the speed that is the problem on motorways, but the way people behave. Lane discipline is simply appalling and I think this causes more problems than speeding. I wonder how many of the people who complain about excessive speed are actually the ones sitting in that middle lane passing nothing!

My real worry on a higher speed limit are cars out there, not properly maintained as money gets ever tighter. Hopefully the monstrous cost of fuel will slow those folks down. I doubt if I'd want to go much faster than the current limit as fuel is just so expensive.
Back to top
View user's profile Send private message
DennisN
Tired Old Man
Tired Old Man


Joined: Feb 27, 2006
Posts: 14890
Location: Keynsham

PostPosted: Sat Mar 24, 2012 9:31 am    Post subject: Reply with quote

My local garage diesel price is currently £144.9. From my records, 28th March 2007 it was 91.9p.

The only answer for me is to hold back on my speed. But I wonder how many of today's speed merchants understand what it's costing them?
_________________
Dennis

If it tastes good - it's fattening.

Two of them are obesiting!!
Back to top
View user's profile Send private message
Oldboy
Pocket GPS Moderator
Pocket GPS Moderator


Joined: Dec 08, 2004
Posts: 10641
Location: Suffolk, UK

PostPosted: Sat Mar 24, 2012 10:27 am    Post subject: Reply with quote

DennisN wrote:
But I wonder how many of today's speed merchants understand what it's costing them?
More speed equates to more petrol per mile equates to more money, via petrol tax, going into Government Funds. Idea
_________________
Richard

TT 910 V7.903: Europe Map v1045
TT Via 135 App 12.075: Europe Map v1120
Back to top
View user's profile Send private message Visit poster's website
Tim Buxton
Pocket GPS Moderator
Pocket GPS Moderator


Joined: 14/09/2002 20:56:18
Posts: 5231
Location: Surrey, United Kingdom

PostPosted: Sat Mar 24, 2012 10:55 am    Post subject: Reply with quote

DennisN wrote:
My local garage diesel price is currently £144.9. From my records, 28th March 2007 it was 91.9p.?


£144.9? I'd buy from somewhere else. Cool
_________________
Tim
Back to top
View user's profile Send private message Send e-mail Visit poster's website
AliOnHols
Pocket GPS Verifier
Pocket GPS Verifier


Joined: Oct 15, 2008
Posts: 1936

PostPosted: Sat Mar 24, 2012 12:17 pm    Post subject: Reply with quote

DennisN wrote:
My local garage diesel price is currently £144.9. From my records, 28th March 2007 it was 91.9p.
As the holiday season is arriving, in case anybody is curious to know:- current average prices in this part of Spain are €1.40/L - diesel, €1.50/L - 95Petrol & €1.60/L - 98Petrol although they do seem to be rising daily. 4-5 years ago prices were about 65 - 70 cents per litre!

DennisN wrote:
The only answer for me is to hold back on my speed. But I wonder how many of today's speed merchants understand what it's costing them?
I remember reading years & years ago that your car is most efficient when the engine is running when maximum torque is produced but I could never get my head around whether it was better to be in 3rd at max torque or in 5th at (say)20% rpm below max torque so I resorted to plodding along at a sensible speed and coasting (not free-wheeling) wherever possible.

Regardless of this, I applied the same fuel economy principle when riding my motorbike. On long journeys l tried to go everywhere at max torque in the highest gear. Result = Fuel economy went straight out of the window and I must have broke every speed limit in the book as I clung on for dear life. I think that there must be different formulas for motorbikes.
_________________
Garmin Nuvi 2599
Android with CamerAlert, OsmAnd+, Waze & TT Europe.
TomTom GO 730, GO 930, GO 940 & Rider2.
SatMap Active 10 & 20.
Back to top
View user's profile Send private message
DennisN
Tired Old Man
Tired Old Man


Joined: Feb 27, 2006
Posts: 14890
Location: Keynsham

PostPosted: Sat Mar 24, 2012 4:14 pm    Post subject: Reply with quote

Tim Buxton wrote:
DennisN wrote:
My local garage diesel price is currently £144.9. From my records, 28th March 2007 it was 91.9p.?
£144.9? I'd buy from somewhere else.


Dammit Tim!! I've just twigged it, after drafting a long, thoroughly reasoned condemnation of you for not being up to date with fuel prices, compared to me, a totally with-it whitevanman of intelligence and handsomeness. Approximately. Evil or Very Mad
_________________
Dennis

If it tastes good - it's fattening.

Two of them are obesiting!!
Back to top
View user's profile Send private message
Andy_P
Pocket GPS Moderator
Pocket GPS Moderator


Joined: Jun 04, 2005
Posts: 19991
Location: West and Southwest London

PostPosted: Sun Mar 25, 2012 12:04 am    Post subject: Reply with quote

AliOnHols wrote:
I remember reading years & years ago that your car is most efficient when the engine is running when maximum torque is produced but I could never get my head around whether it was better to be in 3rd at max torque or in 5th at (say)20% rpm below max torque so I resorted to plodding along at a sensible speed and coasting (not free-wheeling) wherever possible.


Out of interest, how do you know when your engine is working at max. torque? Do you have to look it up in the specs and compare it to a certain RPM for each gear?
_________________
"Settling in nicely" ;-)
Back to top
View user's profile Send private message
Andy_P
Pocket GPS Moderator
Pocket GPS Moderator


Joined: Jun 04, 2005
Posts: 19991
Location: West and Southwest London

PostPosted: Sun Mar 25, 2012 2:45 am    Post subject: Reply with quote

The REAL meaning of 80-MPH

http://www.mostwatchedtoday.com/the-real-meaning-of-mph/ Very Happy
_________________
"Settling in nicely" ;-)
Back to top
View user's profile Send private message
AliOnHols
Pocket GPS Verifier
Pocket GPS Verifier


Joined: Oct 15, 2008
Posts: 1936

PostPosted: Sun Mar 25, 2012 7:28 am    Post subject: Reply with quote

Andy_P wrote:
..Out of interest, how do you know when your engine is working at max. torque? Do you have to look it up in the specs and compare it to a certain RPM for each gear?
Hi Andy_P, yes. Quite boring really, just look it up in the handbook for the car, a Haynes or OnLine. If you are lucky enough to have a rev counter fitted try to drive to that. If no rev counter you'll also have to look up gear ratios and final drive ratio and do some number crunching. I'd love to see Chelsea Logan from your video clip try to work that that out!

"In the Old Days" car manufacturers used to have to publish the MPG figures at something like 30, 56 & 70mph and I rather cynically believe that they used to tune their top-gear ratio to be most efficient at 56mph so as to look good against the competition. So, a rule of thumb, drive at 56mph in top gear (where legally possible of course) and you should return a decent MPG.

N.B. The above is from AliOnHols' guide to life based on myths, legends and OldWivesTales. So probably complete bunk.

EDIT -This Statement Retracted - see the quote within M8TJT's next post.
_________________
Garmin Nuvi 2599
Android with CamerAlert, OsmAnd+, Waze & TT Europe.
TomTom GO 730, GO 930, GO 940 & Rider2.
SatMap Active 10 & 20.


Last edited by AliOnHols on Sun Mar 25, 2012 12:23 pm; edited 2 times in total
Back to top
View user's profile Send private message
M8TJT
The Other Tired Old Man
The Other Tired Old Man


Joined: Apr 04, 2006
Posts: 10118
Location: Bexhill, South Sussex, UK

PostPosted: Sun Mar 25, 2012 10:12 am    Post subject: Reply with quote

AliOnHols wrote:
A very broad generalisation, based upon cars which I have owned, is that Max Torque appears to be between 2200 & 2600 rpm.
Is that for a petrol or diesel engine, or are your mythst etc. good enouh that it makes no difference? Twisted Evil
Back to top
View user's profile Send private message
AliOnHols
Pocket GPS Verifier
Pocket GPS Verifier


Joined: Oct 15, 2008
Posts: 1936

PostPosted: Sun Mar 25, 2012 12:16 pm    Post subject: Reply with quote

M8TJT wrote:
Is that for a petrol or diesel engine, or are your mythst etc. good enouh that it makes no difference? Twisted Evil

Doh! My brain hurts! Our current 2.5L diesel is 2500rpm while our 1.6L petrol is ........ 4000 rpm.!!! I'll get my coat Shocked
I'll double & triple check this then probably retract that particular statement in my preceding post.

Edit - Yep! Peugeot Handbook and Internet prove me wrong so statement retracted. For the moment I'm still standing by my max. torque and 56mph theories. Watch this space!
_________________
Garmin Nuvi 2599
Android with CamerAlert, OsmAnd+, Waze & TT Europe.
TomTom GO 730, GO 930, GO 940 & Rider2.
SatMap Active 10 & 20.
Back to top
View user's profile Send private message
aj2052
Frequent Visitor


Joined: Jul 03, 2005
Posts: 1431
Location: Leics,UK

PostPosted: Mon Mar 26, 2012 1:09 am    Post subject: Reply with quote

Modern cars dont seem to be designed to get the best for consumption purposes, my previous car had both instant and average mpg on different screen settings tried getting best results using instant reading but just went down to silly figures having to avoid creating a jam behind me, found got better mpg by ignore readings, now current car as both instant and average on same screen and the speedo only shows increments in 5 mile segments so cannot really read an accurate speed, mpg instant figures vary so widely between 7mpg and 99 mpg depending on which shoes you are wearing to which way the wind is blowing it hardly gives me enough time to look out of the window to see where i am, only got 250 miles on the clock yet so must learn not to look at the display.
_________________
Moto G5s Plus, Sygic 17.4.8
Back to top
View user's profile Send private message
Kremmen
Pocket GPS Verifier
Pocket GPS Verifier


Joined: Mar 03, 2006
Posts: 7040
Location: Reading

PostPosted: Mon Mar 26, 2012 6:37 am    Post subject: Reply with quote

I read an article that stated that at 70mph your using 10% more fuel to cover the same distance as when doing 60mph.

For the last few weeks I've been sitting in with the trucks on the M25 doing circa 56 to 60 mph and my weekly mpg has risen from just under 38mpg to just over 42mpg.

I only do 10 miles on the motorway each way so it's only losing me a few minutes. I'm also finding it far more relaxing just poodling along.

I top up every week and It's costing me less now than a few months ago even though prices have risen Smile
_________________
Satnav:
Garmin 2599 LMT-D (Indoor test rig)
DashCam:
Viofo A119 V3
Car Average MPG :
Back to top
View user's profile Send private message
Tim Buxton
Pocket GPS Moderator
Pocket GPS Moderator


Joined: 14/09/2002 20:56:18
Posts: 5231
Location: Surrey, United Kingdom

PostPosted: Mon Mar 26, 2012 8:14 am    Post subject: Reply with quote

DennisN wrote:

Dammit Tim!!

Sorry, but it just had to be done.
_________________
Tim
Back to top
View user's profile Send private message Send e-mail Visit poster's website
DennisN
Tired Old Man
Tired Old Man


Joined: Feb 27, 2006
Posts: 14890
Location: Keynsham

PostPosted: Tue Mar 27, 2012 7:32 am    Post subject: Reply with quote

Kremmen wrote:
I read an article that stated that at 70mph your using 10% more fuel to cover the same distance as when doing 60mph.

For the last few weeks I've been sitting in with the trucks on the M25 doing circa 56 to 60 mph and my weekly mpg has risen from just under 38mpg to just over 42mpg.

When I thrash my van - that's trying to push at 69mph as indicated by my satnav - my fuel economy goes down to 48mpg if I do it for long enough (a tankfull, 500 miles or so). If I do my preferred speed - 60mph on the speedo, 56/57 on the satnav - I get over 60mpg. I did 1600 miles last week, so those figures make steady driving a sensible option. And, as you say, far more relaxing than tensing everything to charge along!
_________________
Dennis

If it tastes good - it's fattening.

Two of them are obesiting!!
Back to top
View user's profile Send private message







Posted: Today    Post subject: Pocket GPS Advertising

Back to top
Display posts from previous:   
Post new topic   Reply to topic    Pocket GPS World Forum Index -> Non-Technical Speed Camera Discussions All times are GMT + 1 Hour
Goto page Previous  1, 2, 3, 4  Next
Page 3 of 4

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum

Make a Donation



CamerAlert Database

Click here for the PocketGPSWorld.com Speed Camera Database

Download Speed Camera Database
22.043 (17 Apr 24)



WORLDWIDE SPEED CAMERA SPOTTERS WANTED!

Click here to submit camera positions to the PocketGPSWorld.com Speed Camera Database


12mth Subscriber memberships awarded every week for verified new camera reports!

Submit Speed Camera Locations Now


CamerAlert Apps



iOS QR Code






Android QR Code







© Terms & Privacy


GPS Shopping