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Advice needed please

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Advice needed please
jonblob33 Offline
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Joined: Aug 2017 Posts: 65 Threads: 11
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#1
12-07-2021, 07:11 PM
Hi, I’m looking for advice re a damaged crankcase please. I believe a small end bolt has come adrift & tried to exit the crankcase. (See photo). Do you think it’s suitable for a welded repair?
Thanks. Kevin


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Chris KC Offline
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#2
12-07-2021, 08:22 PM (This post was last modified: 12-07-2021, 08:31 PM by Chris KC.)
I'm struggling a bit to orient where that is on the crankcase Jon. (ah - I see - it's in Australia!)
Bottom line is - unless it's something special - a decent welded repair is likely to cost you more than another case.
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Bob Culver Offline
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#3
12-07-2021, 08:36 PM (This post was last modified: 12-07-2021, 09:15 PM by Bob Culver.)
If the star is the only fracture drill large holes just beyond the true end of each crack and patch with any screws in the triangular areas. many old campaigners of greater standing than Sevens bearcampaign  scars.
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Chris KC Offline
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#4
12-07-2021, 09:20 PM
I don't disagree Bob. You see quite a few old cases with patches riveted or bolted over damage like this. Stitch it even; as long as nothing loose can fall off inside. I certainly wouldn't throw it away.
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Ivor Hawkins Offline
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#5
13-07-2021, 01:40 PM
I would “third” that proposal, drill tap and an aluminium patch, it will be fine, no need to throw away an otherwise decent case.
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