Dear Tim, That's an excellent video. My Dawes Double Edge Tandem has been sitting in my shed for years with cracks in the head tube. I tried some Jubilee clips as a temporary repair and rapidly lost faith in the durability. Your idea is much better. Stainless is the way to go. I'll strip the paint and hope to get lucky with the dimensions. If not, I have always wanted a lathe! Many thanks, Christof
Will the sleeves work if I use a lathed Aluminum Ring than Steel Rings? Or can I simply use a Steel Ring (not stainless)? BTW I see the problem of Aluminum Rings to be lathed and cut but will also need to be head treated depending on the grade. I can see the Stainless Steel or a regular Steel might do the job. Thank you
neither alloy or mild steel have the proof stress level that you need to do the job properly long term. The proof stress of stainless of stainless is about 200 mPa (@ 0.2%). The problem with alloy rings is that they will suffer the same stress fracturing that cracked the original tube.
Hi Jarvis. Thank you for your response. I am considering getting a stainless steel ring to be lathed out for my head tube. Thank you for the video on repair.
@@timjarvis3207 Hi Tim. Interesting repair. I am thinking about attempting it on my bike. What was the mm offset of the diameter between the outer steering column and inner diameter if the stainless steel pipe? I saw you measuring the pipe's inner diameter, but you didn't mention its diameter in the video. Thanks.
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Dear Tim, That's an excellent video. My Dawes Double Edge Tandem has been sitting in my shed for years with cracks in the head tube. I tried some Jubilee clips as a temporary repair and rapidly lost faith in the durability. Your idea is much better. Stainless is the way to go. I'll strip the paint and hope to get lucky with the dimensions. If not, I have always wanted a lathe! Many thanks, Christof
I just ordered a tube and plan to give this a go. Thanks for the video.
nice job. i will follow your technique plus with carbon fiber wrapping
Nice job!
Will the sleeves work if I use a lathed Aluminum Ring than Steel Rings? Or can I simply use a Steel Ring (not stainless)? BTW I see the problem of Aluminum Rings to be lathed and cut but will also need to be head treated depending on the grade. I can see the Stainless Steel or a regular Steel might do the job. Thank you
neither alloy or mild steel have the proof stress level that you need to do the job properly long term. The proof stress of stainless of stainless is about 200 mPa (@ 0.2%). The problem with alloy rings is that they will suffer the same stress fracturing that cracked the original tube.
Hi Jarvis. Thank you for your response. I am considering getting a stainless steel ring to be lathed out for my head tube. Thank you for the video on repair.
@@timjarvis3207 Hi Tim. Interesting repair. I am thinking about attempting it on my bike. What was the mm offset of the diameter between the outer steering column and inner diameter if the stainless steel pipe? I saw you measuring the pipe's inner diameter, but you didn't mention its diameter in the video. Thanks.
@@TheJTcreate All the measurements are at the end of the video, freeze the frame and print them off.
Cool