RocHobby Critical Mass (standard speed) 1100mm - PNP "discontinued-product" With a standardized hull length

With a standardized hull length and weight

and 9g metal gear servos

both inflicting hits upon and receiving hits from opponents

One 3/16" Drill Jig

AC/DC dual power input

RocHobby Critical Mass (standard speed) 1100mm - PNP "discontinued-product" With a standardized hull lengthRocHobby 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