Reaction Dynamics Unveils Borealis Rocket, Plans 2031 Debut
Reaction Dynamics, a Quebec-based startup, introduced Borealis, a medium-lift rocket intended to carry 6,000 kg to low Earth orbit, with a first orbital launch attempt planned for 2031. The company is converting its smaller Aurora vehicle to liquid propulsion so it can share technology and accelerate Borealis development after earlier work on a hybrid engine. Reaction Dynamics has run 21 hot-fire tests of the liquid-fueled engine and hopes to serve Canadian sovereign launch demand as SpaceX prepares to wind down its Transporter rideshare service.
Reaction Dynamics, based in Quebec, says Borealis would lift 6,000 kg to low Earth orbit, far more than its roughly 200 kg Aurora small launcher. Aurora is now slated for a first orbital attempt in late 2028, while Borealis is aimed at 2031.
After about a decade pursuing a hybrid engine, the company switched last year to all-liquid propulsion so Aurora work can feed Borealis. It reports 21 liquid-engine hot-fire tests. Funding includes about C$50M raised and a Series B sought above C$70M; Borealis may need another C$200M+. Plans include a 375,000 sq ft Quebec facility and staffing growth from 68 to 350+ by 2031.
If Borealis advances, it could give Canadian satellite operators and government missions a domestic launch option, potentially reducing reliance on foreign rideshare services as SpaceX’s Transporter winds down. The planned Quebec factory and hiring could affect local aerospace employment and suppliers. However, the timeline and funding needs mean the impact may take years to materialize, and success could depend on sustained demand and technical milestones.