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munch90



Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

England 
why doesn't someone do a vacuum operated locker that way it could be run from brake vacuum , and no need for compressor etc
Post #314902 9th Mar 2014 10:36pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17327

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
LandieG wrote:
Is it poss to use air rear locker with TC? It won't interfere with things too much?

I'm looking to transfer my Locker to a new vehicle, prob a TD5, but don't want to knacker the electrics!! Shocked

Thanks all

G


What makes you think it would "knacker the electrics"? How on earth could it?

If you have an axle diff locked, the two wheels cannot turn at different speeds and hence cannot initiate the TC.

It is conceivably possible but incredibly unlikely that you might manage to get the locked axle spinning faster than the unlocked one (but this would involve both incompetence and freak circumstances) and even then the TC would simply brake both wheels.
Post #314958 10th Mar 2014 10:48am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17327

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
munch90 wrote:
why doesn't someone do a vacuum operated locker that way it could be run from brake vacuum , and no need for compressor etc


They do.

Whether it is the optimal way to operate a difflock or not is debatable and subjective, with many arguments for and against. Overall it has few - if any - advantages.
Post #314959 10th Mar 2014 10:52am
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5034

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
brilliant post resurrection Thumbs Up Mike
Post #315022 10th Mar 2014 5:44pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7992

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
yes you can, TC wont do anything on the axle with it enganged in. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #315650 13th Mar 2014 12:39pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7992

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
munch90 wrote:
why doesn't someone do a vacuum operated locker that way it could be run from brake vacuum , and no need for compressor etc


dont volvo portal axles run vacuums too? Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #315651 13th Mar 2014 12:40pm
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LandieG



Member Since: 13 Mar 2013
Location: nr Caerphilly
Posts: 91

blackwolf wrote:
How on earth could it?


Not sure, but thought I'd ask the wise, I assumed that TC would be smart enough to deal with a locker!

blackwolf wrote:
It is conceivably possible


Ah, so it could, just maybe…?!

blackwolf wrote:
but incredibly unlikely


That's more reassuring!!

Thanks for the info guys, happier now!
Post #317401 20th Mar 2014 12:16am
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LandieG



Member Since: 13 Mar 2013
Location: nr Caerphilly
Posts: 91

PS just found that the Td5 I'm looking at is TC-less anyways… Whistle
Post #317403 20th Mar 2014 12:19am
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
So Detroit in the rear and thru-trac in the front axle and off you go.

Or if you want to spend money to get a little better result use arb or simular in both axes.

With both you need stronger half shaft.

I have the detroit - thru-trac setup and I love it.
I still use the standard half shafts in the front axles with Simex tyres and till now the keep up with it.



Click image to enlarge
 Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #317453 20th Mar 2014 10:44am
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johnszs



Member Since: 16 Aug 2010
Location: Hereford
Posts: 459

United Kingdom 2004 Defender 90 Td5 XS CSW Alveston Red
Ashcroft shafts and flanges would also be on my list, fit and forget plus if you break a shaft david will send replacements foc, they have a 5 year warrenty too 2004 TD5 Defender 90 xs station wagon
Post #317601 20th Mar 2014 8:15pm
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
Twisted Evil


Click image to enlarge
 Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #317658 20th Mar 2014 10:26pm
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dozerman



Member Since: 09 Nov 2014
Location: Cheshire
Posts: 101

United Kingdom 2014 Defender 110 Puma 2.2 USW Indus Silver
Does the tc work in low range with the diff locked on a new (64 plate) Defender? I assumed that it would, but got quite stuck towing a trailer across a wet field today - there was lots of backwards and forwards action with plenty of right foot but no sign of the tc kicking in. As a last resort I took it out of diff lock and low and behold, tc light started flashing (driving style the same - rather aggressive) and out she drove. All I can assume is that diff lock disengages tc for some reason, but that seems daft to me. Can anyone enlighten me?
Post #377849 10th Dec 2014 5:43pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7992

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
TC is active with difflock or should be with your vehicle yes.

were the wheels on each axle turning at the same speed with diff lock in? if so TC wont do anything. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #377892 10th Dec 2014 7:41pm
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dozerman



Member Since: 09 Nov 2014
Location: Cheshire
Posts: 101

United Kingdom 2014 Defender 110 Puma 2.2 USW Indus Silver
To be honest I don't know as I couldn't actually see them but it appears (from the tracks left) that they were all spinning - I'd be amazed if they were all turning at an equal enough speed to not trigger the tc though? If they were all spinning equally I would have thought that they would have generated enough drive to get unstuck - it wasn't until the diff lock was disengaged and the tc started working that the Landy pulled itself through. If it is supposed to work irrespective of the centre diff then it must have been an equal wheel-speed spin - I just find that a little surprising (this was flat out in low third).
Post #378020 10th Dec 2014 11:58pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7992

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
it does work irrespective of diff lock yes.

if they were all spinning at the same speed you would of thought it would drive out anyway.

cross axle it with diff lock in and try the TC Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #378100 11th Dec 2014 12:30pm
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