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Advice needed please - jonblob33 - 12-07-2021
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
RE: Advice needed please - Chris KC - 12-07-2021
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.
RE: Advice needed please - Bob Culver - 12-07-2021
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.
RE: Advice needed please - Chris KC - 12-07-2021
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.
RE: Advice needed please - Ivor Hawkins - 13-07-2021
I would “third” that proposal, drill tap and an aluminium patch, it will be fine, no need to throw away an otherwise decent case.