[whartung]

They do that in other places.

As I heard the tale, on the Standard Missile, they don't recirculate the hydraulic fluid, they just spit out as the missile flies. It's a wonderful engineering solution.

[pfdietz]

And on the Falcon 9, the hydrocarbon fuel is used as hydraulic fluid, then just dumped back into the fuel tank.

[01HNNWZ0MV43FF]

And the SR-71 uses its fuel as coolant.

"There was a lot we couldn't do, but we were the fastest kids on the block..."