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#1
12-12-10, 22:04
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As per Marks comments...Andrew i would just get an 80 grit paddle wheel for your grinder and run along the edges where the welds are, if your using a mig i advise using a gas shielded unit for better quality. then once done you can get the whole lot blasted and she should come up a pearler. i got quoted about £400 to get my tub blasted so opted for steel wire mandrells and grinders.... managed to get my hull back to shiney steel then used an etch primer followed by a few coats of red oxide and first coat of base (light stone)......must add this has only been done on the lower hull away from where i will be putting hot rivets.
have fun
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is mos redintegro __5th Div___46th Div__ 1942 Ford Universal Carrier No.3 MkI* Lower Hull No. 10131 War Department CT54508 (SOLD) 1944 Ford Universal Carrier MkII* (under restoration). 1944 Morris C8 radio body (under restoration). 
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#2
12-12-10, 23:29
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Thanks for the input guys. Its good sound advice and I will take another look at the task to consider whether I can achive my goals without sandblasting twice. I am not too bothered about the new track covers in sides of the hull and over the rear axle as the metal is not badly corroded here and will clean up very well. Its really the floor. The bulkhead behind the driver is corroded in places right where it joins the floor, and the inboard brackets that support the axle brackets in the front need remanufacturing and welding to the floor, plus umpteen brackets and fixings on the floor. I am just concerned that I will not get the metal on these areas clean enough to weld effectively. Its certainly worth a try though as it will cost a lot less than sandblasting. I keep doing jobs on this project and convincing myself that I have done the worst job on the Carrier! Well today, I am sure the removal of the axles housings was the worst so far. As long as they go back in ok, then I feel I have broken the projects back. Loads to do , but I think I am past the worse, although not half way. I have attached a photo of the floor once more. Will post more soon.
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#3
13-12-10, 00:41
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Plan Z would perhaps be just get the edges arounnd the areas you want to weld, if its just a small area most compressers will have sufficient CFM to power a cheap blaster unit from say "Clarke" or somewhere. Saves getting someone out or transporting the hull. Then once your ready you can get the entire hull done. you can also get some fantastic metal prep solutions, just make sure you rinse and then run a blow torch over the areas treated before you Mig it or you may poison yourself and the welds wont stick
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is mos redintegro __5th Div___46th Div__ 1942 Ford Universal Carrier No.3 MkI* Lower Hull No. 10131 War Department CT54508 (SOLD) 1944 Ford Universal Carrier MkII* (under restoration). 1944 Morris C8 radio body (under restoration).
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