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Dec 17, 2008 23:52:45 GMT
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dugong
Posted a lot
One Of Us Will Live To Rue The Day We Met Each Other (Wire : 2008)
Posts: 3,292
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Ooh god, how long is a piece of string...........
If they balance up okay and seal around the tyre it would be a start.
As for whether the weld will crack under stress I've genuinely no idea. I wouldn't go hooning around on a track in them that's for certain, that introduces extra forces and loads into the situation.
PROBABLY fine just to roll around on, and not blezz. How much is it putting your offset out by? If its by a lot then you have to consider the extra load on your wheel bearings. Not fatal if one fails but NFTW either.
The other thing to consider is your insurance. In the case of my own cover, Flux wouldn't insure banded wheels on the Amazon without some kind of ISO certification. You will have to ask your broker if it affects the loading on your premium and whether your are still covered if you fit them.
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Hey Man,
Cheers for that. I have a spare set of low profile tyres (195/45/14, 185/50/14 and 175/50) my local tyre fitted is well sound and he will try them all for me and i can test whtehr they seal and don't leak air.
I was considernig putting then on my potential track car, but even my daily is soon to have a wishbone conversion as well as some rose-jointed suspension goodies and i drive alot of country lanes so i would be giving it beans sometimes.
Not sure on the offset, they are normally 5 or 5 and a half inch i think and ET45 or higher as standard, I'm a vw man so dunno much about vaux wheels bar they are 4x100 and the centre bore is like 0.3mm smaller.
Standard VW offset is et35 ish, I'm currently running 14x7 et20 alloys and they sit fine in the arches these are 7.5 inch so i assume they would sit ok.
Are there several places that offer certification or testing for home brew banded wheels. I assume i could find somewhere that bands lorry wheels and get it tested through them.
And currently with the Coupe S my broker is Admiral, so I'm sure they would love the idea of banded steels =/ =[
I know the gentleman at widewheels, so i will give him a ring tomorrow and see what he says, he may be able to offer certification to them just need to find out if the cost is reasoanble enough to bother with and sack off running the wheels as the idea of putting wheels on at the show ground are ridiculous lol i wanna drive me little cars =]
i know its a can of worms but i apprieciate your input, nice one
ps. did you get an iso certification off somewhere for the amazon? or were you just at the stage of enquiring
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If your still unsure maybe get them re-welded by a skilled fabricator?
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1987 Maestro 1.6 HL perkins diesel conversion 1986 Audi 100 Avant 1800cc on LPG 1979 Allegro Series 2 special 4 door 1500cc with vynil roof. IN BITS. HERITAGE ISSUES.
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I`d roll them. As long as the welds seem solid, and they hold air
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rob0r
East of England
Posts: 2,743
Club RR Member Number: 104
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If your still unsure maybe get them re-welded by a skilled fabricator? Exactly my thoughts. Seek out an engineer perhaps.
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E30 320i 3.5 - E23 730 - E3 3.0si - E21 316 M42 - E32 750i ETC
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if the weld has penetrated well (remove paint / powder coat and examine) and they ballance and/or have little or no run out (you can measure with a simple dial gauge) and they hold air then WIN.
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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They're not banded...someones used inner rims on the outside. That makes them potentially safer already as there's only one weld around the wheel. Where is the weld? Is it where the centre meets both halves of the rim? I'm not sure if that would be the best place for it - I'm not an engineer, but wouldn't that concentrate a lot of the stresses in the same place?
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you could check they balance by putting it on your car with the driven wheels in the air and starting the car in gear. should be able to see if they spin true.
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I bloody love those wheels! firey death in a car crash or not, you'd look cool!
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I bloody love those wheels! firey death in a car crash or not, you'd look cool! I agree. Those are the cat's sack. Paint them black and put them on a hardslammed Mk2 Astra police car replica. ;D
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rysz
Club Retro Rides Member
Posts: 2,558
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Dec 18, 2008 10:05:34 GMT
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I bloody love those wheels! firey death in a car crash or not, you'd look cool! I agree. Those are the cat's sack. Paint them black and put them on a hardslammed Mk2 Astra police car replica. ;D Do this - immediately please! Use an 8v 2L with bike carbs under the hood as well! Rysz.
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paulb
Part of things
Renault 9 Turbo
Posts: 298
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Dec 18, 2008 10:20:53 GMT
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well, banded steels, welded rims...etc...... if you don't know the guy who welded or you welded them yourself.......you need to , as Akku said.....get the paint covering off them and if you don't know what to look for...get them to someone who does... as long as its a good weld there should be no reason not to use them.....the weld will be stronger than the steel.....as long as they are true.....your sorted... PS...what happened to the muppet.. ?
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Last Edit: Dec 18, 2008 10:32:12 GMT by paulb
Injection is nice,I prefer being Blown
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Dec 18, 2008 10:28:31 GMT
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If its possible, have a look at the other side of the weld, see if its poking through a little in places. If it is then the penetration is good.
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1997 TVR Chimaera 2009 Westfield Megabusa
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Dec 18, 2008 10:32:22 GMT
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They look like a bit of a pain to fit tyres on though, the well is in the middle not near the outside lip.
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Last Edit: Dec 18, 2008 10:33:02 GMT by cobblers
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Dec 18, 2008 10:47:34 GMT
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They look like a bit of a pain to fit tyres on though, the well is in the middle not near the outside lip. If hes fitting undersized tyres it shouldn't be too much of a problem, the well is still pretty large compared to some I've seen!
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1997 TVR Chimaera 2009 Westfield Megabusa
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jikovron
Part of things
mechanical chaos
Posts: 633
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Dec 18, 2008 11:19:45 GMT
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well thinking about it ,,,,i would imagine the wheel nuts to take far more stress than the welded seam on the wheel,,,,,and due to the weld being over such a large area i would imagine the welded joint to have more tensile strength than the wheel nuts (assuming the weld has as said pentetrated properly)
the side load on the rim when cornering is offset over the distance of the sidewall,,,,bigger profile puts less shockload's into the rim,,,,but generaly in a hard corner the force is taken by the bead on the inside of the wheel rim (on the outside wheel of the corner,inside having negliable grip),,,,maybe striking curbs really hard repeatedly with a really heavy car would bend the rim enought to fracture the weld,,,,
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Dec 18, 2008 11:42:31 GMT
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Just pumping the tyre up will put something in the order of 1000kg of tension on the weld.
I think they are TERRIBLY UNSAFE and you WILL CRASH AND DIE TAKING OUT A BUSLOAD OF NUNS CARRYING CUTE LABRADOR PUPPIES ON THE WAY but being community spirited at this time of year, I'll buy them off you for £100 to fit to my car and get all the ladies use as an example of DEATHLY DANGEROUSNESS to the world.
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Last Edit: Dec 18, 2008 11:43:15 GMT by cobblers
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jikovron
Part of things
mechanical chaos
Posts: 633
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Dec 18, 2008 12:28:55 GMT
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just found some maths stuff that may apply,,,based on a 300mm wheel well diameter
if the metal is 3mm thick and the weld circumference is 942mm gives an area of 2827.8mm square,,,,or 0.0028278meters square,,,the elastic limit of normal mild steel is 207GN/M so a normal rim will get to 0.5853 GN (59633 kgs) before its elastic limit is reached ,,,,however the problem comes when welded joint efficiencies are added to the equation,,,a perfect uniform bead will give almost 100% efficient joint,,,average quality welding goes as low as 70%,,,,,and birdpoop welding is probably too bad to classify,,,,anyhow if it has penetrated properly and is reasonably smooth to the touch (the weld that is) then you can expect at least 60% joint efficientcy (35.798 ton's) ,,,,supposedly joint efficiency takes into account of porosity and fatigue
(as normal the maths could be very wrong,,,,so would need someone who knows more about stress calculation's)
however i can imagine that the bigger the wheel,,,,the more weld area to apply stress to and so the stronger it would be
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Dec 18, 2008 14:16:47 GMT
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I bloody love those wheels! firey death in a car crash or not, you'd look cool! I agree. Those are the cat's sack. Paint them black and put them on a hardslammed Mk2 Astra police car replica. ;D Where the hell do you pluck these ideas from?Thats actually one ofthe best ideas EVARz!!! As my mum would call it, "the cat's pyjamas!" Why are said pyjamas so special? Someone please build!
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