Early jet engines posed a series of unique challenges... Image Unavailable, Please Login Frank Whittle brought not only Britain into the jet age but also the United States. Whittle’s W.1X and W.2B engines were the starting point for the first US jet engine, GE’s I-A.GE https://www.cycleworld.com/story/blogs/ask-kevin/jet-engine-problems-and-challenges/
A book I have about airliner accidents and incidents shows many in the '50s due to problems with piston engines and propellers. Even the early jet engines on airliners were far more reliable!