PARIS — Startup small-satellite electric propulsion builder Phase Four appears to have stolen the march on its many competitors by signing contracts with smallsat builder Tyvak Nano-Satellite Systems Inc. and startup radar satellite constellation builder Capella Space.
California-based Phase Four said first deliveries to both companies is scheduled for this year, at which point Phase Four will have established a production line capable of producing 10-20 of its Maxwell thrusters per month.
A half-dozen companies are scrambling to develop . . .
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