Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: davieboy0312 on 21 April 2014, 21:02:27

Title: very rusty
Post by: davieboy0312 on 21 April 2014, 21:02:27: hi guys

just stripped down my new omega ready for sand plasting and painting but I have came across LOADS of rust
I have rust in front crossmember (got a new one), both rear arches (got new ones) both sills (got new ones) but have rust at offside under rear seat at arch, in the boot on offside corner and same on near side

but on the passenger side chassis leg just in front of the bolt for the front subframe is a 2 inch hole. what thickness of steel should I use to repair the chassis leg and bits on the floor??
just in front of the bolt furthest back, you can see it right behind shock absorber

thanks in advance and sorry if this has been discussed before
Title: Re: very rusty
Post by: ffcgary1 on 21 April 2014, 21:14:30: blimey, has that ever lived by the sea, thats a lot of tin worm you have there.
Title: Re: very rusty
Post by: davieboy0312 on 21 April 2014, 21:16:08: I know its got loads sills especially. but never noticed til taken sill covers off

sills not dear though neither was rear arches but cross member was 160 quid!!
Title: Re: very rusty
Post by: Webby the Bear on 21 April 2014, 21:16:18: I sadly cant help with the repair as I'm not a welder (yet) but would be interested in pics of this if you can get them as I too havesome rusting issues and would be good to compare
Title: Re: very rusty
Post by: davieboy0312 on 21 April 2014, 21:17:34: that's cool I got the parts the welder and I can weld just unsure of steel thickness for chassis leg, I get pics up tomorrow of the rust
Title: Re: very rusty
Post by: Webby the Bear on 21 April 2014, 21:19:02: Awesome, cheers Davieboy :y
Title: Re: very rusty
Post by: davieboy0312 on 21 April 2014, 21:41:03: pic of chassis leg
https://www.dropbox.com/s/ktj7wpfcyyv9t40/WP_20140421_003.jpg (https://www.dropbox.com/s/ktj7wpfcyyv9t40/WP_20140421_003.jpg)

pics of sills
https://www.dropbox.com/s/yxh4ul428rs3yet/WP_20140421_004.jpg (https://www.dropbox.com/s/yxh4ul428rs3yet/WP_20140421_004.jpg)
https://www.dropbox.com/s/4ecvxumx6l8ejy5/WP_20140421_005.jpg (https://www.dropbox.com/s/4ecvxumx6l8ejy5/WP_20140421_005.jpg)

pic of arches
https://www.dropbox.com/s/b37phfm1ng1sszb/WP_20140421_009.jpg (https://www.dropbox.com/s/b37phfm1ng1sszb/WP_20140421_009.jpg)
https://www.dropbox.com/s/csrot2qwlvsbvpc/WP_20140421_010.jpg (https://www.dropbox.com/s/csrot2qwlvsbvpc/WP_20140421_010.jpg)

pic of boot holes
https://www.dropbox.com/s/qkjnpadcijdtx8l/WP_20140421_008.jpg (https://www.dropbox.com/s/qkjnpadcijdtx8l/WP_20140421_008.jpg)
https://www.dropbox.com/sc/wge2eidawrsz73b/3kPKmrvT-u (https://www.dropbox.com/sc/wge2eidawrsz73b/3kPKmrvT-u)

yea its a pig but easy fix
Title: Re: very rusty
Post by: Webby the Bear on 21 April 2014, 21:47:43: Wow that chassis legs rotten. is that in the engine compartment? or sticking out the back
?
Title: Re: very rusty
Post by: davieboy0312 on 21 April 2014, 21:48:57: when you take passenger wheel off and take shocker out the way you see this
Title: Re: very rusty
Post by: Webby the Bear on 21 April 2014, 21:50:50: Quote from: davieboy0312 on 21 April 2014, 21:48:57
when you take passenger wheel off and take shocker out the way you see this

Got ya.

These are mine in the sameplace....

(http://i1226.photobucket.com/albums/ee402/webbybear1/Rust001_zps1b2e8f70.jpg) (http://s1226.photobucket.com/user/webbybear1/media/Rust001_zps1b2e8f70.jpg.html)

And I thought mine were bad :o
Title: Re: very rusty
Post by: davieboy0312 on 21 April 2014, 21:53:08: in your pic you can see last bolt in subframe just in front is the rusty hole
Title: Re: very rusty
Post by: davieboy0312 on 21 April 2014, 22:32:01: so my question is should I buy 2mm thick to repair chassis leg or is that overkill?
Title: Re: very rusty
Post by: dbug on 22 April 2014, 00:24:04: Quote from: davieboy0312 on 21 April 2014, 21:41:03
pic of chassis leg
https://www.dropbox.com/s/ktj7wpfcyyv9t40/WP_20140421_003.jpg (https://www.dropbox.com/s/ktj7wpfcyyv9t40/WP_20140421_003.jpg)

pics of sills
https://www.dropbox.com/s/yxh4ul428rs3yet/WP_20140421_004.jpg (https://www.dropbox.com/s/yxh4ul428rs3yet/WP_20140421_004.jpg)
https://www.dropbox.com/s/4ecvxumx6l8ejy5/WP_20140421_005.jpg (https://www.dropbox.com/s/4ecvxumx6l8ejy5/WP_20140421_005.jpg)

pic of arches
https://www.dropbox.com/s/b37phfm1ng1sszb/WP_20140421_009.jpg (https://www.dropbox.com/s/b37phfm1ng1sszb/WP_20140421_009.jpg)
https://www.dropbox.com/s/csrot2qwlvsbvpc/WP_20140421_010.jpg (https://www.dropbox.com/s/csrot2qwlvsbvpc/WP_20140421_010.jpg)

pic of boot holes
https://www.dropbox.com/s/qkjnpadcijdtx8l/WP_20140421_008.jpg (https://www.dropbox.com/s/qkjnpadcijdtx8l/WP_20140421_008.jpg)
https://www.dropbox.com/sc/wge2eidawrsz73b/3kPKmrvT-u (https://www.dropbox.com/sc/wge2eidawrsz73b/3kPKmrvT-u)

yea its a pig but easy fix

There you go . . . .

pic of chassis leg
(http://dl.dropbox.com/s/ktj7wpfcyyv9t40/WP_20140421_003.jpg)

pics of sills
(http://dl.dropbox.com/s/yxh4ul428rs3yet/WP_20140421_004.jpg)
(http://dl.dropbox.com/s/4ecvxumx6l8ejy5/WP_20140421_005.jpg)

pic of arches
(http://dl.dropbox.com/s/b37phfm1ng1sszb/WP_20140421_009.jpg)
(http://dl.dropbox.com/s/csrot2qwlvsbvpc/WP_20140421_010.jpg)

pic of boot holes
(http://dl.dropbox.com/s/qkjnpadcijdtx8l/WP_20140421_008.jpg)
(http://i1225.photobucket.com/albums/ee386/dbugit/misc/WP_20140421_007_zps8bfb4409.jpg)

:y :y

Thats one well rusty Omega mate - you may be better off buying a better one ;)
Title: Re: very rusty
Post by: andyc on 22 April 2014, 00:56:33: If is a double skin then you will need 2mm for the inner and 1mm for the outer, just finished the inner rear chassis leg on the Senator

Rot cut out of the old leg
(http://i178.photobucket.com/albums/w245/andyc2411/018_zps69644cc0.jpg) (http://s178.photobucket.com/user/andyc2411/media/018_zps69644cc0.jpg.html)

New Section
(http://i178.photobucket.com/albums/w245/andyc2411/017_zpse0efbd1e.jpg) (http://s178.photobucket.com/user/andyc2411/media/017_zpse0efbd1e.jpg.html)

(http://i178.photobucket.com/albums/w245/andyc2411/006_zps16fe335a.jpg) (http://s178.photobucket.com/user/andyc2411/media/006_zps16fe335a.jpg.html)

(http://i178.photobucket.com/albums/w245/andyc2411/005_zpsdceafe5b.jpg) (http://s178.photobucket.com/user/andyc2411/media/005_zpsdceafe5b.jpg.html)

And finished. just need to clean back the welds then the outer can be made
(http://i178.photobucket.com/albums/w245/andyc2411/009_zpsffd63a42.jpg) (http://s178.photobucket.com/user/andyc2411/media/009_zpsffd63a42.jpg.html)

Cheers
Andy
Title: Re: very rusty
Post by: Webby the Bear on 22 April 2014, 07:37:33: Andy, nice pics. Is it a subframe out job or can you get around it? (don't know anything about welding until symes master class
Title: Re: very rusty
Post by: andyc on 22 April 2014, 13:30:54: Nah chassis legs are part of the shell so lots of welding on my back. Got plans for a chassis roller so that will be the next major job

Andy
Title: Re: very rusty
Post by: Webby the Bear on 22 April 2014, 14:08:30: Quote from: andyc on 22 April 2014, 13:30:54
Nah chassis legs are part of the shell so lots of welding on my back. Got plans for a chassis roller so that will be the next major job

Andy

So subframe stays in place? unless of course the rot is round where the subframe attaches?
Title: Re: very rusty
Post by: davieboy0312 on 22 April 2014, 17:52:11: in my case im unlucky. its right underneath subframe
Title: Re: very rusty
Post by: andyc on 22 April 2014, 19:33:54: Ah yes the subframe has been removed along with the trailing arms and diff. Nice little design on the Senator A and Monza is you can't remove the trailing arms without removing the whole subframe assy.

Andy
Title: Re: very rusty
Post by: davieboy0312 on 22 April 2014, 20:21:04: going to strip it down to a bare shell anyway for sandblasting

so im looking at 2mm for chassis leg and 1mm for everything else?
Title: Re: very rusty
Post by: Nick W on 22 April 2014, 20:35:46: 2mm is far thicker than what's already there, and will be very hard work. Use 1mm(ish) for the chassis rails, and slightly thinner for anything that needs much shaping.
This will be easier to make, and to weld to the existing metal. Sheet metal monocoques get their strength from the shape of the metal, and so are made out of pretty thin stuff
Title: Re: very rusty
Post by: davieboy0312 on 22 April 2014, 20:37:35: so one for chassis rail. would I be better removing the strengthening plate and renewing that to? pretty close to hole
Title: Re: very rusty
Post by: 2woody on 22 April 2014, 22:46:32: I haven't seen an Omega B that rusty, but Omega As are mostly that rusty and the only real difference is the age.

just for reference, I'm just starting to weld a Vanden Plas Princess which has no floors at all, no chassis rails and no sills - indeed, the only reason the front stays attached to the back is that the doors are welded together.
Title: Re: very rusty
Post by: omega3000 on 22 April 2014, 23:18:55: Quote from: 2woody on 22 April 2014, 22:46:32
I haven't seen an Omega B that rusty, but Omega As are mostly that rusty and the only real difference is the age.

just for reference, I'm just starting to weld a Vanden Plas Princess which has no floors at all, no chassis rails and no sills - indeed, the only reason the front stays attached to the back is that the doors are welded together.

;D

Must admit that Omega does look the worst one ive seen , worse than the Triumph Herald i had that only had drivers floor pan holes .
Title: Re: very rusty
Post by: davieboy0312 on 23 April 2014, 17:36:22: yea I didn't think it was this bad when I bought it. scrapped a W reg cause it had a massive hole at steering box about fist size cant get any worse though