Cozza
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 posted on 10/12/03 at 10:51 AM |
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Bits inside chassis tubes
As I have been going around checking and cleaning up my welds, I have heard some bits moving inside the chassis tubes. I think it must be small bits
of welding wire.
Do others have this problem? Is it much of an issue?
I have a cunning plan to fix it, short of cutting the ends of the chassis off. How about if I drill a few access holes and inject Waxoyl rust
preventative which should hopefully capture these small bits?
Any thoughts guy?
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Findlay234
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| posted on 10/12/03 at 10:57 AM |
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when you start drilling into the chassis to mount things youre naturally gonna get some swarf in there, and when you bugger up youll drill out the
rivet and the back part of it will fall into the tube, not much you can do. Doubt it will do anything to the tube itself and the only problem will be
the noise while moving but i think the sound of the engine and the wind rushing past your ears will be louder.
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Cozza
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| posted on 10/12/03 at 11:06 AM |
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Wind rush
I think you're right Findlay. I have big ears so there will be a lot of wind noise!!
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Findlay234
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| posted on 10/12/03 at 11:09 AM |
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Yeah i was worried about it a while ago when i first started drilling into the chassis and i know wishbones have a small amount of welding crap inside
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James
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| posted on 10/12/03 at 11:30 AM |
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Cozza,
You won't hear it- don't worry!
James
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Cozza
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| posted on 10/12/03 at 11:34 AM |
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Mounting brackets
Should I prime the chassis before fixing the mounting brackets? I'm thinking of fitting the front suspension brackets before painting, priming
the whole chassis and then fitting the other brackets as I go. This is because I fear there may be some time between now and getting all of the
brackets fixed!
Cheers
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Simon
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| posted on 10/12/03 at 01:25 PM |
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Cozza,
I'd recommend getting some sort of protective coat on it as soon as poss.
I didn't on mine even when I had to leave it outside (under cover). The steel will rust very quickly, and it's a very long job to clean it
all up again!
ATB
Simon
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JonB
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| posted on 10/12/03 at 02:03 PM |
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I keep my chassis (and my spare steel) wetted down with a spray of WD-40. It's been over a month sitting in my garage (albeit in a fairly dry
climate) and there's NO visible surface rust on anything yet.
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David Jenkins
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| posted on 10/12/03 at 02:19 PM |
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quote:
Originally posted by JonB
I keep my chassis (and my spare steel) wetted down with a spray of WD-40. It's been over a month sitting in my garage (albeit in a fairly dry
climate) and there's NO visible surface rust on anything yet.
...but wait until you try painting it!
You have to remove EVERY trace of WD40 before painting, otherwise the paint will just wrinkle off a bit later.
You'd be better off painting with a decent, tough primer and just accept that you will have to sand it down if an unexpected bit of welding is
required, then repaint.
David
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Hornet
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| posted on 10/12/03 at 03:11 PM |
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And hes in a warmer fekin climate than us 
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Cozza
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| posted on 10/12/03 at 06:58 PM |
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Where can I buy "The Tool" for cleaning up welds I have seen mentioned on numerous threads?
Cozza
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blueshift
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| posted on 10/12/03 at 08:47 PM |
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from screwfix, halfords or your local friendly tool shop.
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James
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| posted on 11/12/03 at 09:39 AM |
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Get a saucer shaped and a cup shaped one.
If you can get 'em from a show or tool fair then so much the better- they're about £5 there. Also, get the 'twisted knot'
type. They're more effective and break up less.
HTH,
James
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JonB
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| posted on 13/12/03 at 03:15 AM |
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quote:
Originally posted by David Jenkins
quote:
Originally posted by JonB
I keep my chassis (and my spare steel) wetted down with a spray of WD-40. It's been over a month sitting in my garage (albeit in a fairly dry
climate) and there's NO visible surface rust on anything yet.
...but wait until you try painting it!
You have to remove EVERY trace of WD40 before painting, otherwise the paint will just wrinkle off a bit later.
You'd be better off painting with a decent, tough primer and just accept that you will have to sand it down if an unexpected bit of welding is
required, then repaint.
David
I've found that a quick spray with some Brake Parts Cleaner and a wipe down with a cloth rag will easily remove the WD-40. Might be slightly
tougher in tight spots but the brake parts cleaner will nearly remove the WD40 itself, and it dries without leaving any residue.
FWIW my steel came coated in machining oil to prevent rust so I would have been in the same boat anyway. I wipe the steel down during construction
then re-spray it with WD-40.
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