RocHobby Critical Mass (standard speed) 1100mm - PNP "discontinued-product" and installed for you

and installed for you

both inflicting hits upon and receiving hits from opponents

With a standardized hull length and weight

The Carbon-Z P2 Prometheus biplane is capable of performing Skip's signature moves with power spare and the kind of control authority that's a pilot's dream

RocHobby Critical Mass (standard speed) 1100mm - PNP "discontinued-product" and installed for youRocHobby Critical Mass Receiver Ready ROC 012 The RocHobby Critical Mass has become one of our favorite planes. This plane not only looks fantastic but it a true joy to fly. We think you will enjoy the split flaps, servoless electric retracts, and great all around flight characteristics. Unlike many stock planes, this one is not underpowered and has decent vertical. The Critical Mass is very well mannered and capable of aerobatics that would leave