Bearing race extraction by welding

Work continues on the new/spare engine. I finally found the courage to try that welding trick to remove a bearing race from a blind hole. Bugger me, it works.

01Race

02Weld

03Extraction

I shouldn’t have been so surprised. I’ve warped enough steel with weld to know that weld shrinks as it cools. Welding so close to a large, complicated, precision aluminium casting is a bit fraught though.

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