Escape Lanes
Moderator: Site Management Team
-
- Member
- Posts: 219
- Joined: Sat Jul 07, 2007 20:10
- Location: Sheffield
- Hugo Nebula
- Member
- Posts: 536
- Joined: Sat Apr 10, 2004 19:04
- Location: Zone 5
If the throttle is jammed on, why not disengage the gears? Turning off the ignition would remove any servo assistance to the brakes, and any power steering.Nwallace wrote:Turn off the ignition.BigToe wrote: And I was thinking about escape lanes at the time because I was thinking "what would you do if your throttle was jammed and you couldn't stop?" randomly...
Wouldn't work in an automatic though. In a rear wheel automatic, depending on the speed, you could pull the handbrake on a stall it, but if you were doing anything more than 30 or 40 you could end up spinning it or simply burn the pads down to nothing. Am I right in thinknig some cars don't allow you to turn the ignition off when moving?Hugo Nebula wrote:If the throttle is jammed on, why not disengage the gears? Turning off the ignition would remove any servo assistance to the brakes, and any power steering.Nwallace wrote:Turn off the ignition.BigToe wrote: And I was thinking about escape lanes at the time because I was thinking "what would you do if your throttle was jammed and you couldn't stop?" randomly...
In a manual put the clutch down and bring the car to a halt normally, then turn off the ignition.
The over-revving engine wouldn't last longHugo Nebula wrote:If the throttle is jammed on, why not disengage the gears? Turning off the ignition would remove any servo assistance to the brakes, and any power steering.Nwallace wrote:Turn off the ignition.BigToe wrote: And I was thinking about escape lanes at the time because I was thinking "what would you do if your throttle was jammed and you couldn't stop?" randomly...
Brake servos only help with applying the brakes - they don't keep them on, so if you keep the brakes applied until the vehicle stops there's no problem. In any case you can usually get at least two servo-assisted pedal pushes with the engine off. Even without the servo the brakes still work - you just have to push harder.
Power assisted steering does very little except at parking speeds.
- Hugo Nebula
- Member
- Posts: 536
- Joined: Sat Apr 10, 2004 19:04
- Location: Zone 5
Don't see why not. I drive an auto[*], and I can put it into neutral whilst in motion.A8000_Bob wrote:Wouldn't work in an automatic though.Hugo Nebula wrote:If the throttle is jammed on, why not disengage the gears? Turning off the ignition would remove any servo assistance to the brakes, and any power steering.Nwallace wrote: Turn off the ignition.
[*] A DSG, but don't post in uk.rec.driving about whether a DSG is an automatic or a manual without flameproof underwear.
- PeterA5145
- Member
- Posts: 25347
- Joined: Sun Mar 24, 2002 00:19
- Location: Stockport, Cheshire
- Contact:
- roadtester
- Member
- Posts: 31529
- Joined: Mon Mar 26, 2007 18:05
- Location: Cambridgeshire
Another reason to avoid turning off the ignition is that if you turn the steering wheel very much with the engine switched off the steering lock will engage and you won't be able to steer - except on an old Saab which locks the gear lever into reverse instead.
The steering can probably then be unlocked once the engine has been stopped by moving the key back to one of the intermediate positions short of starting the engine - but I don't see many people having the presence of mind to do that in an emergency.
The steering can probably then be unlocked once the engine has been stopped by moving the key back to one of the intermediate positions short of starting the engine - but I don't see many people having the presence of mind to do that in an emergency.
Electrophorus Electricus
Check out #davidsdailycar on Mastodon
Check out #davidsdailycar on Mastodon
Someone mentioned the one in Hemel in the old thread. It is here, on the A414.
On the "satellite" view it looks in very good condition. It looks very overgrown these days from ground level.
On another note, does the gantry look slightly overengineered for this type of road junction? I noticed yesterday how heavy duty the struts are.
On the "satellite" view it looks in very good condition. It looks very overgrown these days from ground level.
On another note, does the gantry look slightly overengineered for this type of road junction? I noticed yesterday how heavy duty the struts are.
Yes, that doesn't surprise me. I'm pretty sure there was one, but I also vaguely recall that there were discussions about removing it because it was never used. This all dates back to the mid 90s when I was working for the County Council.BigToe wrote:There isn't - I went down there yesterday!M4Simon wrote:A379 descending into Dartmouth has one, just near the Naval college.
I've a vague idea there is/was also one on the A414 St Albans Road in Hemel Hempstead on the hill going down towards the magic roundabout.
Simon
Simon
Did you know there's more to SABRE than just the Forums?
Add your roads knowledge to the SABRE Wiki today!
Have you browsed SABRE Maps recently? Try getting involved!
Please contact me if you want to know more
Add your roads knowledge to the SABRE Wiki today!
Have you browsed SABRE Maps recently? Try getting involved!
Please contact me if you want to know more
- ravenbluemoon
- Elected Committee Member
- Posts: 3076
- Joined: Thu Oct 18, 2007 11:32
- Location: Between Mansfield and Göteborg
Blue Bank is very well used, IIRC. Mainly by coaches and badly maintained caravans. I had relatives who lived in Sleights, and they recall that there used to be a police station at the bottom who had to rebuild their walls quite often!Chris5156 wrote:Blue Bank on the A169 is the one I always think of.
I have a feeling there might be one on the A166 somewhere between Stamford Bridge and Fridaythorpe, though I'm not sure. Lonewolf will probably know
The one of the A166 - would that be the one at the bottom of Garrowby Hill?
Also one for Lonewolf - is there one at Staxton Hill on the B1249? I recall seeing a lot of warning signs about the steepness.
Not true - at least, not on any of the cars I've owned. You can't engage the steering lock until you've taken the key out of the ignition.roadtester wrote:Another reason to avoid turning off the ignition is that if you turn the steering wheel very much with the engine switched off the steering lock will engage and you won't be able to steer
- roadtester
- Member
- Posts: 31529
- Joined: Mon Mar 26, 2007 18:05
- Location: Cambridgeshire
Ah yes - thanks for correcting me. But I think most people tend to switch off and pull the key out in one go fairly automatically, and I think some might do that on auto-pilot if they switch the engine off.Stevie D wrote:Not true - at least, not on any of the cars I've owned. You can't engage the steering lock until you've taken the key out of the ignition.roadtester wrote:Another reason to avoid turning off the ignition is that if you turn the steering wheel very much with the engine switched off the steering lock will engage and you won't be able to steer
Another side effect of switching off the engine is that power assistance for the steering will be lost, which may make the car a lot harder to control. Older cars were designed to do without power-assisted steering but they were lighter and had much skinnier tyres - also the rack was lower geared and reducing steering weight was reflected in the design of the steering/suspension geometry as well.
However, in a modern car, if you lose PAS, it can become very difficult, if not impossible to steer. This happened to me recently on a brand new Mercedes CLC - I got to where I was going as it was steerable on motorways at high speeds, but at lower speeds it was impossible.
Electrophorus Electricus
Check out #davidsdailycar on Mastodon
Check out #davidsdailycar on Mastodon
even badly maitained ones work well
http://www.flashearth.com/?lat=53.26716 ... =0&src=msl
i tried to drive a landerover discovery though that one, i got stuck, it's not been maintained for 15+ years
http://www.flashearth.com/?lat=53.26716 ... =0&src=msl
i tried to drive a landerover discovery though that one, i got stuck, it's not been maintained for 15+ years
I'm not surprised, it's been bypassed since 1992 so I doubt if anyone uses it anymore.Ste_Nova wrote:even badly maitained ones work well
http://www.flashearth.com/?lat=53.26716 ... =0&src=msl
i tried to drive a landerover discovery though that one, i got stuck, it's not been maintained for 15+ years
How would you like your grade separations, Sir?
Big and complex.
Big and complex.
- Glen
- Social Media Admin
- Posts: 5428
- Joined: Mon Mar 13, 2006 02:16
- Location: Inbhir Pheofharain
- Contact:
I was in Thurso this morning and seeing as I didn't have much to do I stopped at Berriedale on the way back and got some photos of the escape lane which is for N/B traffic.
Here it is looking across the valley from the North side.
Close up:
On more than one occasion I have seen people sat in their cars stopped here:
And the gravel bed itself is looking in pretty well maintained condition.
The one at Dunbeath could do with a clean out as it is rather full of grass and weeds.
Here it is looking across the valley from the North side.
Close up:
On more than one occasion I have seen people sat in their cars stopped here:
And the gravel bed itself is looking in pretty well maintained condition.
The one at Dunbeath could do with a clean out as it is rather full of grass and weeds.