How do we get under 0 oC with a watercooling
rig, you might ask?
On page 20, while apparently discussing the NA-73 (Mustang MK I, XP-51), which had an Allison V-1710 engine, Graff describes the under-fuselage duct as containing "the airplane's watercooling
radiator, oil cooler, and aftercooler.
Our results support this guideline, with watercooling
blankets being the most common second-line intervention (23%) in NSPs.
This closed-loop, maintenance-free, 50,000 hour watercooling
solution is able to dissipate up to 900 watts of heat, more than three times necessary for dual Xeons.
A new high-output extrusion die for large HDPE or PP pipe (110 to 2000 mm OD) combines watercooling
of the melt before it leaves the die with air cooling inside the pipe.