Balloon goes up on UK made threaded inserts
Brass inserts for plastics have been used as part of a project that takes UK launched near-space craft clean through the troposphere and into the stratosphere, upwards of 40km, where air pressure is less than 1% of that at ground level and temperatures drop below –60°C. This is even higher than the 85,000ft which the once top-secret Lockheed SR71 Blackbird is stated to have flown at.
