 | Home > Puma (Tdci) > Engineering project to reduce weight in a 110 |
 
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| AMBxx Member Since: 24 Jul 2016 Location: York Posts: 985   
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Open top?
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18th Aug 2018 1:02pm |
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| Matt3932 Member Since: 19 Jun 2018 Location: Cheltenham Posts: 35
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Already taken the roof off! |
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18th Aug 2018 1:06pm |
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| Paulv8 Member Since: 09 Jun 2013 Location: Milton Keynes Posts: 618 
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Defenders are NOT really heavy imo V8 90...WIP
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18th Aug 2018 1:29pm |
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| Matt3932 Member Since: 19 Jun 2018 Location: Cheltenham Posts: 35
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Granted, all things are relative. Challenger 2 's are really heavy. However, I don't have one of those. I have a Defender!
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18th Aug 2018 1:46pm |
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| williamthedog Member Since: 29 Dec 2012 Location: south wales Posts: 3441 
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Why buy a defender then worry about how much it weighs? It does fairly well as it is.
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18th Aug 2018 3:27pm |
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| Matt3932 Member Since: 19 Jun 2018 Location: Cheltenham Posts: 35
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I'm not worried. I'm curious. I'd imagined the envelope has been pushed by the dedicated off road fraternity, and the Wildcat and it's ilk demonstrate what's possible with factory standard engineering. I'd like to know what can be achieved without significant expenditure
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18th Aug 2018 3:37pm |
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| Harry.O Member Since: 25 Jul 2014 Location: Warwickshire Posts: 706 
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You could swap the glass for polycarbonate, swap doors for 2 piece doors, remove any rubber mats, remove any unnecessary seats, ditch the spare wheel and use a TD5 bonnet. Swapping out the cast radius arms to the aftermarket stuff would definitely lose some weight. If using a drop down tailgate you could make a lighter version from alloy and depending on how far you intend to travel, don't brim the fuel tank.
All of the above is fairly cheap to do and not too difficult  2005 Td5 110 Hardtop
1989 300Tdi 90 Soft top 1992 200Tdi 90 Truck cab with Land Cruiser axles |
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18th Aug 2018 4:52pm |
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| v8bobber Member Since: 26 Aug 2012 Location: pembrokeshire Posts: 437 
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Buy a 90?
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18th Aug 2018 5:10pm |
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| Mountain_man Member Since: 09 Dec 2011 Location: Right side of Offas Dyke Posts: 756 
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if it is a pre puma one then an alloy bonnet with most of the strengthening frame removed. The inner wings are pretty meaty to and could be substituted easily enough with glass fibre copies. If you are serious about losing weight then bang in an SD1 gearbox and go rear wheel drive only
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18th Aug 2018 5:11pm |
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| Kit Member Since: 12 Feb 2016 Location: Shropshire Posts: 1110 
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What a strange subject, I guess wheels and tubular chassis are your best bet 1993 200 Tdi 90 CSW
1956 Series 1 Hard-top 1958 Series 1 Soft-top |
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18th Aug 2018 5:49pm |
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| gazman Member Since: 17 Aug 2015 Location: Liverpool Posts: 652 
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Diesel engines are heavy. Change it for a lighter petrol one.
Lightened flywheel, lighter handbrake drum (they are stupidly heavy) remove any engine, steering guards etc. Remove any emmisions stuff and std exhaust for a lightweight system Get rid of any comforts. Radio heater dash. Think comp safari!! 2014 - current ..... 2003 defender td5 90 (my car) 2009 - current .... 2005 zx10r |
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18th Aug 2018 6:43pm |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720 
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There isn't really much factory engineering left in a Bowler Wildcat, they're basically a new car with a few Defender bits and designed to look a bit like a Defender. On puma's and late TD5's the door skins are steel, you could replace them with the earlier ally ones. Or you could just remove them all along with the roof and windscreen. So it somewhat resembles an US army recon version - how far do you want to go? You could strip out all the sound insulation, carpets, head lining etc. Seats could probably be replaced with Series 3 ones. Dash could probably be replaced with some simple brackets. But as you've alluded to the vast majority of the weight is going to be in the chassis and drive train, most of which is difficult if not impossible to lighten. Lightening a Defender is a bit like buying a Ferrari and making it suitable for doing parcel deliveries. Perhaps you could delete your duplicate post in the Maintenance and Modifications section? |
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18th Aug 2018 7:48pm |
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| Kit Member Since: 12 Feb 2016 Location: Shropshire Posts: 1110
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Yeah the Wildcat is a fully tubular chassis with independant suspension, the Tomcat is based on a LR chassis with a tubular frame welded onto it 1993 200 Tdi 90 CSW
1956 Series 1 Hard-top 1958 Series 1 Soft-top |
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18th Aug 2018 10:31pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16879 
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Engineering project to reduce weight strength in a 110
Utterly pointless exercise in my opinion. Nothing you can realistically do will make any significant difference to the weight, and it won't have any effect on any aspect of performance except strength and longevity. What are you actually trying to achieve? |
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18th Aug 2018 10:49pm |
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