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Old 19th May 2020, 16:07
  #30 (permalink)  
double_barrel
 
Join Date: Aug 2015
Location: 5Y
Posts: 461
I tried dipping the end cap into liquid nitrogen. The video shows it to be a plug fit within the tube so shrinking it should free it up. Some back of a beer mat sums suggest that, assuming no heat flow between cap and body, the differential temperature should open-up up a gap of nearly 2mm.

It had no perceptible effect. So sadly I am resigned to binning it. Although it is a thing of beauty, there can be no doubt that the inside must be corroded beyond repair.
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