 | Home > General & Technical (L663) > What happens when you open a door whilst moving? |
 
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| Retroanaconda Member Since: 04 Jan 2012 Location: Scotland Posts: 2639  
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That’s going to be annoying while manoeuvring trailers etc.
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21st Dec 2020 6:33pm |
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| Sulisuli Member Since: 30 Oct 2016 Location: South west Posts: 4795  
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Another risk.......you might fallout
 2015 HT XS 90
2008 SVX 90 2000 XS TD5 90 |
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21st Dec 2020 7:57pm |
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| markb110 Member Since: 22 May 2010 Location: Guildford Posts: 2626  
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Isn't that a little inconvenient if, say for example, you are having a Hollywood moment and the the car just happens to be moments away from blowing up. The last thing you want to happen is for your computer on wheels staring at you and saying 'hi, I'm still here.....boom'. Bet JLR forgot to test that scenario  |
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21st Dec 2020 8:41pm |
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| williamthedog Member Since: 29 Dec 2012 Location: south wales Posts: 3441 
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Why have they got these "safety features"? Done without this for umpteen years, don't think I'll get the urge to open doors on a moving vehicle.
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22nd Dec 2020 9:31am |
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| Matt110 Member Since: 29 Jun 2014 Location: UK Posts: 680
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How hard does it apply them?
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22nd Dec 2020 9:34am |
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| mse Member Since: 06 Apr 2008 Location: UK Posts: 5035 
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Have you tried applying the handbrake while moving - have you seen what that does (dont do it on a road) Mike
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22nd Dec 2020 9:38am |
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| Rashers Member Since: 21 Jun 2015 Location: Norfolk Posts: 3486 
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Your teasing now, MSE
Nice reply Sulisuli 
At speed, I would think it's pretty difficult to open a door on any vehicle, unless of course it has 'suicide' doors which have a rear hinge (the only modern one I can think of was the Vauxhall Meriva but I am sure there are others) The first thing that springs to mind is that the new Defender is terrible car to own if you are thinking of abducting or kidnapping someone
I feel that this must be a nod to the older Defender. The door release handle position never fails to mess with passengers (when I was allowed to transport them) when they tried to find it to get out. Neither my Mum or Dad can ever locate the door release and at night, it's easier to just walk round and open the door. So JLR were thinking of this problem, even back then. Just put the handle out of the way 
Does make you wonder what it must be like in the design department of modern car manufacturers. 'How can we add more electronic code to control the vehicle?' The new buses which run between Peterborough and Norwich have sensors which check the drivers eyes for concentration levels (so First Bus said when they rolled them out last year). It will give a warning if it thinks that the driver is tired. Can you imagine what a pain in the bum that will be when it gets old and unreliable? |
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22nd Dec 2020 10:07am |
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| mustafasoleiman Member Since: 21 Jun 2016 Location: London Posts: 105 
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"The new buses which run between Peterborough and Norwich have sensors which check the drivers eyes for concentration levels (so First Bus said when they rolled them out last year). It will give a warning if it thinks that the driver is tired. Can you imagine what a pain in the bum that will be when it gets old and unreliable?"
The bus driver? http://instagram.com/h4vou/ |
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22nd Dec 2020 10:31am |
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| markb110 Member Since: 22 May 2010 Location: Guildford Posts: 2626
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Many moons ago when the wife had an Evoque we went to the LRE and I asked the instructor the same question. He explained that it was an emergency brake and works on all four wheels, not just the rears as per the old cable handbrake days....he then went down the private drive and demonstrated it for us.. No dramas, just bought the car to a stop in a straight line. Guessing the Defender is the same. |
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22nd Dec 2020 10:38am |
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| Rashers Member Since: 21 Jun 2015 Location: Norfolk Posts: 3486
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I suppose both the driver and the bus safety system
Makes you wonder whether the telematics could be used against the drivers? Is it just a matter of time before the Police use data downloaded from vehicles in accidents to assist with accident investigation? “Well the reason the accident happened, the Defenders passenger door opened at 60mph and the car behind was travelling too close to take avoiding action when the braking system engaged”. It’s a thought. |
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22nd Dec 2020 11:49am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17359 
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The Puma Defender has a feature which means that if you press the brake pedal and the accelerator pedal simultaneously then after a couple of seconds the ECU kills the power to the engine (or at least it cancels the accelerator input to the ECU). It's really annoying if you're trying to dry your brakes after fording, or break a spinning wheel off-road.
Presumably the designers feel it is a safety feature to ensure that in the event of an accelerator input fault you can stop the vehicle. |
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22nd Dec 2020 11:56am |
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| martinf Member Since: 30 Nov 2020 Location: Sussex Posts: 99
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I think that the reason that JLR have made the Defender apply its brakes when a door is opened is a consequence of the issue highlighted in this video https://www.dailymail.co.uk/news/article-9...ector.html
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22nd Dec 2020 2:04pm |
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| 90 Dreamer Member Since: 13 Jul 2019 Location: Oop North Posts: 2144
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lots of modern vehicles with DBW throttle body's do exactly that Blackwolf.........have always assumed that is the reason
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22nd Dec 2020 2:13pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17359
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Agreed, but it is a bloomin' nuisance far more often that it is useful!
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22nd Dec 2020 6:11pm |
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