McTriple is CU InSpace's entry in the 2024 Launch Canada Challenge COTS solid category. CR22III is the the third iteration of the ''McRockets'' series of vehicles, and the first vehicle from InSpace to demonstrate a reefed parachute system successfully.

​

The airframe applied lessons learned from its predecessor, McDouble, which was launched at Launch Canada in 2023. Uniquely, the CR22 series of rocket utilizes an aluminum structure for fin and engine retention as well as aluminum external couplers for body tube and nosecone fittings. CR22III is the third flight of the CR22 family, and applied major redesigns in the metallic structures, with significant focus of weight reduction - with mass rivaling that of a standard composite fin-can and tube. 

 

The vehicle features single ejection single deploy recovery system utilizing a student designed reefed parachute and custom reefing controls hardware and software, custom carbon fiber nosecone, swappable sandwich panel fins, and filament wound fiberglass tubes. It launched using a 6 grain XL Cesaroni N3400 "Skidmark" motor boosting it to an apogee of 15,800 ft. above ground level. 

 

McTriple is the lightest aluminum-structured vehicle InSpace has produced thus far, while still retaining the replicability and reparability advantages of easily swapping parts incase of damage. The vehicle also serves as an important testbed, and this year demonstrated a key milestone of successful reefing - another towards the team's ongoing hybrid vehicle development.

​​​

​