 In subsequent tests, the 0.10 reached a top speed of Mach 0.85 and demonstrated the viability of the ramjet as an aviation powerplant, with a rate of climb of to , exceeding that of the best jet fighters of the time.Of the two 0.10s originally built, one was destroyed in a crash in 1951 and the other severely damaged in another crash the following year.Both pilots survived with serious injuries.