Personally I expect that they will run into issues getting enough supercooled fluids to it in time. I expect that will need upgrading. When the first started with supercooling they had all sorts of issues.
I am sure they think they have it right. Now flow 3 times as much through it and see if it really works. :) I assume they dry ran it somehow once before at least.
“I am a little worried I won’t fit in my seat on the return trip on Soyuz,” Kanai said, though he was probably joking. Each seat liner on the vehicle is customized and molded to the body of each astronaut and taken to the Soyuz to ensure a tight fit during the violent reintroduction to gravity.
After 12:30 in an sound bite the BBC, Chris Hadfield confirms/explains the phenomenon, but calls into question the value of a full 9 centimetersbbc.co.uk/programmes/w172vsp0z0yvtp8