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Shade_BW |
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Shade_BW I'm better than you
Joined: 13 Jul 2004 Karma :
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Lone-Wolf |
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Lone-Wolf World Chat Champion
Joined: 13 Jul 2004 Karma :
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Posted: 23:32 - 14 Jul 2004 Post subject: Sometimes old is better. |
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Wotcha.
All very jolly - but what about anything equipped with magneto ignition, or good old fashioned points and coil ? It will carry on quite happily - which means should I ever attempt to outrun the police ( which with my bike would be a joke in itself, a copper on a pushbike would catch me ) their wonderful high tech device is a non-starter, as opposed to stopper. ____________________ Cheers.
^..^
L.W. - www.moonshiners.org.uk |
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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Posted: 23:38 - 14 Jul 2004 Post subject: |
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Shade_BW wrote: |
That's my point, you can't stall a car at speed the conventional way, which is why I'm having trouble visualising what would happen.
You won't stop the engine from running, as the wheels will still drive the pistons up and down (unless the clutch is dipped), as the drag slows the car, which could cause the now rattly pistons to sieze the engine, which could cause the drive wheels to lock (again, clutch). So there is the potential for the car to carrear out of control in a dangerous way.
Shade
I could be wrong. |
You are wrong
What would happen is the spark plugs would stop sparking but the pistons would still be moving up and down due to the wheels still driving them but this is no biggy.
The pistons wont be rattly they will just have no more explosive force pushing them down, and the weight of the car and the momentum would mean they continue going up and down but slowing as the car slowed down.
They would not lock the wheels simply because of the weight of the car.
for an example you could simply drive along and turn the ignition off, thats effectively what would happen (I don't suggest you do this though as if you need to turn you'll soon find the steering lock come on)
You could also do it on your bike if you so wished to see what happens. ____________________ The BCF's very own Party boy! Though he's getting old and feeling it!
Monkey hanger, Born and bred
My little photo portfolio |
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Craggles |
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Craggles Traffic Copper
Joined: 12 Jul 2004 Karma :
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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carvell |
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carvell Scuttler
Joined: 05 Sep 2003 Karma :
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Posted: 00:13 - 15 Jul 2004 Post subject: |
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Just try it and see Shade_BW.
Go along at 60mph and hit your kill switch, or turn the ignition off. Nothing bad happens, you just go along quite freely, the pistons being pushed up and down by the turning wheel, but not sparking.
As for ABS and powersteering, none of this would be an issue. OK, it might disable the ABS, but normal braking systems will still work, as ABS runs in parallel with the normal braking system, not in series. Unplug your ABS under the bonnet and brakes still work fine.
Powersteering is hydraulic, worst that would happen is that the powersteering won't work anymore, normal steering will remain.
All these systems are also failsafe and have been tested to death - chances of anything bad happening are very remote. The system would therefore be much safer than the 'stinger'. (Basically a strip of nails across the road, used widely these days) ____________________ Yamaha TDM 850 |
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mchaggis |
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mchaggis World Chat Champion
Joined: 10 May 2004 Karma :
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Posted: 02:12 - 15 Jul 2004 Post subject: |
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There is another tool further down the page which is being used and is getting a lot of interest. It would also work with very few drawbacks.
https://newsimg.bbc.co.uk/media/images/40380000/jpg/_40380369_xnet.jpg
A super-strong spiked net which wraps itself around a car's wheels and punctures its tyres is another device attracting a good deal of attention.
Developed by UK defence research firm Qinetiq, the X-Net is made from Dyneema, a fibre which is said to be eight times stronger than steel and is also used to make bullet-proof jackets.
The 26ft by 8ft X-Net is portable and can be laid across a road in the path of an oncoming vehicle to bring it to a complete standstill, typically within 75 metres.
Because the net becomes entangled around the wheel axle it is impossible to continue driving.
The X-Net has already been used by US Marines in Haiti and could also become part of troops' equipment in Iraq, where Qinetiq believes it could halt vehicles being used by terrorists.
Back in the UK the firm hopes it could be used to stop joy-riders, as the net causes minimal damage and, despite its strength, can be cut away with a knife.
Similar devices are being developed in the US, where there is particular interest in their potential to stop cars at border crossings.
https://news.bbc.co.uk/1/hi/magazine/3890127.stm |
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Craggles |
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Craggles Traffic Copper
Joined: 12 Jul 2004 Karma :
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monkeyman |
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monkeyman Scooby Slapper
Joined: 26 Jan 2004 Karma :
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McJamweasel |
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McJamweasel BCF Junkie
Joined: 22 Mar 2002 Karma :
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Kickstart |
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Kickstart The Oracle
Joined: 04 Feb 2002 Karma :
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Korn |
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Korn Admin
Joined: 01 Feb 2002 Karma :
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Posted: 14:17 - 15 Jul 2004 Post subject: |
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Frost |
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Frost World Chat Champion
Joined: 26 May 2004 Karma :
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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Demonic69 |
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Demonic69 The Pink Rhino
Joined: 31 May 2002 Karma :
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Old Thread Alert!
There is a gap of 1 year, 220 days between these two posts... |
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rev900 |
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rev900 L Plate Warrior
Joined: 14 Feb 2006 Karma :
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innominate |
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innominate Brolly Dolly
Joined: 18 Nov 2004 Karma :
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 16:46 - 21 Feb 2006 Post subject: |
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Well, that's me definately keeping the Jawa and the T500. I may also have a KH350 coming my way at some point.
Carbs and points, the only way to travel. In fact I suspect that the amount of radio interference generated by the unsupressed Jawa ignition system would scramble the electronic devices the coppers are using.
Expect to see the value of your early Z1s and CB750s shoot up.
The concept that radio waves will interfere with the running systems of a bike certainly holds water though. My early Yamaha powervalve could only be run on resistor plugs. If you ran it on unsupressed sparkplugs, the radio interference made the powervalve controller flutter causing comedy 'kangaroo' effects. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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bazza |
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bazza World Chat Champion
Joined: 27 Aug 2004 Karma :
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stinkwheel |
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stinkwheel Bovine Proctologist
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Kickstart |
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Kickstart The Oracle
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kb-zxr |
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kb-zxr Could Be A Chat Bot
Joined: 01 Jun 2005 Karma :
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Jman |
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Jman Borekit Bruiser
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lilredmachine |
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lilredmachine World Chat Champion
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carvell |
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carvell Scuttler
Joined: 05 Sep 2003 Karma :
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Old Thread Alert!
The last post was made 18 years, 67 days ago. Instead of replying here, would creating a new thread be more useful? |
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