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#1
21-10-21, 11:38
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I will be able to put the tracks on after this. If I choose to of course.
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#2
25-10-21, 10:48
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I machined up the collars to the dia of the sprockets and then milled the collars out to insert 20mm H/T bolts. The bolts were tapered in the lathe for some weld penetration.
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#3
25-10-21, 10:56
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I did the welding over about 4-5 hrs as to not let too much heat go down into the final drive. As it is like a spline with all the bolts in there, the weld is really only there to stop the the whole thing sliding off. That is something that can never happen. Even though it is now all welded on there, it does not stop any maintenance that needs to be done to the final drive spline if it ever needed to be removed or replaced as it is held in place internally. I felt it was the safer and easier option of mounting the sprocket plates.
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#4
25-10-21, 10:58
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After a couple of days machining, welding and all the rest that goes with it, it was time to paint the parts and fitment.
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#5
25-10-21, 11:01
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That's it for the final drives on this tank, I will be fitting the drive train to the other one next which will keep them on about par. Of course as this tank will be full hydraulic drive, it will still be operated by the original tillers which I was ever so fortunate to have both sets for each tank. All of the hydraulics will not be in any view with out lifting covers so they will both look identical but this one will drive so much easier. If I hade the trans for this one as well, I most definitely had used it.
Last edited by colin jones; 25-10-21 at 11:09.
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#6
27-10-21, 09:55
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A relative productive day today. As the original return rollers were not so good I modified some Bren carriers ones. Fortunately the centre hub is identical and also the bearings I just had to reshape them. Bren rollers have tapered sided and 12mm wider than the Vickers so I was able to machine the rubber off and reduce the hub 6mm either side. The overall dia is smaller as well, so with some patients I reduced the outside which intern gave me very good rubber.
I also put the engine and trans back in and made up some clevis's and rod for the clutch  which I might say works well. I just need to make 2 brake rods and the accelerator linkage and it will be ready for the final drives.
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#7
27-10-21, 16:12
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That original powertrain is certainly a snug installation, Colin. Retrieving dropped tools could be quite a challenge.
David
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