TIL that the Convair Model 118, a tentative flying car from 1947, was shelved because its prototype crashed when a test pilot mixed up the flight engine's fuel gauge with the road engine's and didn't see the former run out. While he survived, this killed interest in the project.
en.wikipedia.orgSubmitted by ShabtaiBenOron t3_11jhzes in todayilearned
SatansMoisture t1_jb2piz2 wrote
At first if you don't succeed, shelve it.