unkle
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| posted on 28/11/07 at 09:53 AM |
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Weight Reduction
Apart from the obvious of going on a diet - what have you done/replaced to reduce the weight of your locost?
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Guinness
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| posted on 28/11/07 at 09:59 AM |
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Changed the battery from a standard Sierra to a motorbike one.
Best bit was the battery was a £1 ebay special and the acid cost me £2!
Mike
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unkle
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| posted on 28/11/07 at 10:02 AM |
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quote:
Originally posted by Guinness
Changed the battery from a standard Sierra to a motorbike one.
Mike
Excellent - batteries pretty darn heavy.
wonder what the lightest car battery is.....
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DarrenW
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| posted on 28/11/07 at 10:25 AM |
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Ive fitted light weight alloys. ATS DTC's (optional extra on some Westies).
Removed dizzy. Swapped carbs (not sure if i saved weight or not but it goes better). Not fitted header tank.
[Edited on 28/11/07 by DarrenW]
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mookaloid
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| posted on 28/11/07 at 11:23 AM |
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quote:
Originally posted by DarrenW
Ive fitted light weight alloys. ATS DTC's (optional extra on some Westies).
Removed dizzy. Swapped carbs (not sure if i saved weight or not but it goes better). Not fitted header tank.
[Edited on 28/11/07 by DarrenW]
You also added weight with all that girly padded trim on the seats and the tunnel etc 
Cheers
Mark
"That thing you're thinking - it wont be that."
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bigrich
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| posted on 28/11/07 at 11:33 AM |
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wheels and tyres , lighter calipers, solid discs instead of vented alloy bolts in none stressed areas other bolts cut to length, grp seats instead of
padded type and not taking a pasenger aswell
.JPG)
A pint for the gent and a white wine/fruit based drink for the lady. Those are the rules
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Werner Van Loock
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| posted on 28/11/07 at 11:44 AM |
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Alloy bell housing, small alternator, alloy diff housing if you're using english axle, alloy hub carriers, single digidash unit compared to
multi dials, alloy dampers with smaller diam. using smaller diam springs, alloy front uprights, alloy fual tank (smaller?), alloy T9 gearbox case
(quaife) light CDS tube roll bar etc... there's a lot you can do, but most if not all cost a bundle.
http://www.clubstylus.be
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indykid
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| posted on 28/11/07 at 12:11 PM |
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quote:
Originally posted by bigrich
wheels and tyres , lighter calipers, solid discs instead of vented alloy bolts in none stressed areas other bolts cut to length, grp seats instead of
padded type and not taking a pasenger aswell
if you don't take a passenger, why do they need a seat? 
you even have 2 exhausts!
tom
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Hellfire
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| posted on 28/11/07 at 12:12 PM |
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Bike engine......... nuff said.
Phil
PS - Perforated chassis and floor, bolts cut down to size, helium in tyres...
PPS - Only kidding (Just in case you decide to try the perforated chassis and helium in tyres)
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Hammerhead
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| posted on 28/11/07 at 12:22 PM |
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carbon fibre bodywork
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speedyxjs
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| posted on 28/11/07 at 12:28 PM |
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You could fit smaller resevoirs (wrong spelling i think) for water, coolant etc
How long can i resist the temptation to drop a V8 in?
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02GF74
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| posted on 28/11/07 at 01:10 PM |
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alumnium radiator, mount close to engine to keep hoses short, helium in tyres, spoked steering wheel, don't paint bodywork, don't fit
windscreen, fit LED lamps so can use thinner section cable, no reverse lamp or wiring, ... and so on.
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DaveFJ
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| posted on 28/11/07 at 01:19 PM |
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you have all missed the obvious one.. (unless I missed it!)
Go on a diet! Undoubtedly heaviest and most useless part of most cars is the driver... shed some weight there! (I reckon I could/should save about
30lbs )
Dave
"In Support of Help the Heroes" - Always
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02GF74
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| posted on 28/11/07 at 01:26 PM |
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quote:
Originally posted by DaveFJ
you have all missed the obvious one.. (unless I missed it!)
Go on a diet! Undoubtedly heaviest and most useless part of most cars is the driver... shed some weight there! (I reckon I could/should save about
30lbs )
no YOU have missed the obvious one.
First post being:
quote:
Originally posted by unkle
Apart from the obvious of going on a diet - what have you done/replaced to reduce the weight of your locost?
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unkle
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| posted on 28/11/07 at 01:38 PM |
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quote:
Originally posted by 02GF74
quote:
Originally posted by DaveFJ
you have all missed the obvious one.. (unless I missed it!)
Go on a diet! Undoubtedly heaviest and most useless part of most cars is the driver... shed some weight there! (I reckon I could/should save about
30lbs )
no YOU have missed the obvious one.
First post being:
quote:
Originally posted by unkle
Apart from the obvious of going on a diet - what have you done/replaced to reduce the weight of your locost?
He was probably eating at the time........
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DaveFJ
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| posted on 28/11/07 at 01:43 PM |
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I'll get my coat
Dave
"In Support of Help the Heroes" - Always
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unkle
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| posted on 28/11/07 at 01:53 PM |
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quote:
Originally posted by DaveFJ
I'll get my coat
No, leave it off, it'll save a few pounds!!
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Danozeman
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| posted on 28/11/07 at 02:43 PM |
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Lighter wheels, alloy uprights and calipers etc.. alloy floor.
Dan
Built the purple peril!! Let the modifications begin!!
http://www.eastangliankitcars.co.uk
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higgsti
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| posted on 28/11/07 at 02:55 PM |
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without going into the obvious the guy i bought my car was a weight saving fanatic and im going further with more carbon /titainium and ally
bolts.change steering column to tube with your connectors rewelded,lightened discs to rear as well as front,ally pedals instead of steel or drill
existing,lighten lobros even heard of gun drilling drive shaftsand centres of bolts.drill holes in anything which isnt stressed .stick on tax disc
holder the list ,goes on
[Edited on 28/11/07 by higgsti]
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DaveFJ
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| posted on 28/11/07 at 03:14 PM |
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well if your really going that far!!! remove body panels and replace with that plasticy film stuff they use to cover model aircraft!
How about a Balsa wood dash?
Dave
"In Support of Help the Heroes" - Always
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Paul TigerB6
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| posted on 28/11/07 at 03:22 PM |
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quote:
Originally posted by Hellfire
Bike engine......... nuff said.
Hehe - Somebody had to say it!! Saves at least 80kg anyway.
Alloy dampers can save a chunk of weight and quality dampers are a good upgrade anyway.
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twybrow
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| posted on 28/11/07 at 06:41 PM |
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Drilling driveshafts? That is quite extreme. I wonder what the theoretical lowest weight could be, if you followed all of the above suggestions... If
you were starting a build and had the option (and money) to fit all of the lightest parts available, a BEC, CDS tube, titanium fasteners, CF instead
of GRP etc etc. what do you think the lowest ROAD LEGAL car could be - I would hazard a wet weight (with a tiny plastic fuel tank!) of 350kg. Then you
could look at going very silly and make the chassis from carbon (yes it can be done and I've seen it - it was very light and very stiff, but you
add the need for earth wire everywhere)... sod it, lets just walk and be done with it.
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higgsti
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| posted on 28/11/07 at 09:13 PM |
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the guy i bought my car off has had the raceleda stub shafts in titainium.chris masons car though not road legal wouldnt take much is hovering
somewhere around 350kg and hes not started lightening yet
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iank
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| posted on 28/11/07 at 10:53 PM |
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quote:
Originally posted by unkle
wonder what the lightest car battery is.....
I believe it's the one from the Robin Reliant.
http://www.locostbuilders.co.uk/viewthread.php?tid=70621
Bike battery is probably a better bet
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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C10CoryM
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| posted on 29/11/07 at 03:08 AM |
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Lighter wheels are often the most noticable upgrade. You lose a few pounds with lighter rims/tires, you are losing unsprung mass, and you are losing
rotating mass as well. Rotating mass reduces power so its three for the price of one . More power, less unsprung mass, and less mass overall.
Cheers.
"Our watchword evermore shall be: The Maple Leaf Forever!"
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