twybrow
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| posted on 3/2/08 at 10:48 PM |
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Why does it go so well just before it all falls to pieces...!?
I have spent the last few evening/weeks measuring, checking, remeasuring and cutting the steel for my engine cradle. I have had nightmare trying to
support the engine as I construct a cradle in situ. Finally had it sorted and got my cradle fully tacked together. I was thrilled. It fitted, it
looked ok and I had welded it... Then came the full welding session to complete. This was a mistake. I blew a hole in a critical part of the cradle
that I dont have materials to replace. Now I am depressed and wondering how far I could throw said cradle..... Why do we build these cars again?
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cloudy
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| posted on 3/2/08 at 10:49 PM |
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how big a hole have you blown? 
James
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twybrow
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| posted on 3/2/08 at 10:59 PM |
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Around 10mmx10mm in a bit of box 25x25x40mm. It is a mouting point for the engine, so I dont want to risk anything failing. I initially thought -
I'll bodge it, then alarm bells started ringing so I have lopped it off, and ground it down ready for another go once I have sourced materials
to make another mount. Ho hum.
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Mansfield
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| posted on 3/2/08 at 11:09 PM |
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Gussets or plates or both.
Could be stronger than the original design with a bit of thought and could cover up the prolem.
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twybrow
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| posted on 3/2/08 at 11:12 PM |
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That may yet be an option. Either way it had to come off to see what I had and to clean up the weld, but I may end up repairing if I cant replace. I
am so annoyed with myself right now!
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worX
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| posted on 3/2/08 at 11:15 PM |
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Don't berate yourself too harshly! Everyone goes through these things at some point or another...
Take 5 and you will go at it so much better next time!
Steve
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twybrow
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| posted on 3/2/08 at 11:21 PM |
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I feel I owe myself a good slap as I did a beautiful test weld (on 2 bits of 2mm thick box) then I didn't remember I was only welding 1.6mm on
the job, and left the settings/technique unchanged (hence the cross feeling!)... Cheers for the support fella. Much appreciated.
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Mr Whippy
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| posted on 4/2/08 at 01:10 PM |
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10mm is zip
put the tube on it's side and weld up the hole. It will end up stonger by far than anything else.
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twybrow
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| posted on 4/2/08 at 05:04 PM |
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Ok, thanks. Well I ahve spare material now, so I will try to repair. Failing that I will make a new one. Is there a problem (SVA wise) with repairing
then grinding down the weld? I know they don't like you doing it on chassis welds etc, but what else would that apply to?
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