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SpaceX's Raptor Engine Vs. Blue Origin's BE-4 - What's The Difference In These Rocket Engines

The Earth is much larger than most people realize. You need to use engines if you want to efficiently navigate large sections of the planet. Everything from cars to planes relies on engines, but they ...
CNBCTV18

PTC Industries arm wins Blue Origin order for BE-4 engine castings

PTC Industries and Aerolloy Technologies win Blue Origin order for New Glenn BE-4 engine castings; PTC India Q2 profit dips ...
NewsBytes

Lucknow firm bags Blue Origin's BE-4 engine order

Lucknow-based Aerolloy Technologies has secured a contract from Jeff Bezos' Blue Origin to manufacture superalloy investment casting for the BE-4 rocket engines.

PTC Industries' arm secures major order from Blue Origin for BE-4 Engines

PTC Industries announced that its wholly owned subsidiary, Aerolloy Technologies, has won a development and supply order from Blue Origin for large superalloy investment castings for the BE-4 Engines ...