The original Jeep was designed in 14 hours. > The war was under way in Europe, so the Army's need was urgent and demanding. Bids were to be received by July 22

The original Jeep was designed in 14 hours. > The war was under way in Europe, so the Army's need was urgent and demanding. Bids were to be received by July 22, a span of just eleven days. Manufacturers were given 49 days to submit their first prototype and 75 days for completion of 70 test vehicles. > Probst turned down Bantam initially, but agreed to work without pay after an Army request and began work on July 17, 1940.[39] > Probst laid out full design drawings for the Bantam prototype, known as the Bantam Reconnaissance Car, or BRC, in just two days, and worked up a cost estimate the next day. Bantam's bid was submitted, complete with blueprints, on July 22. https://en.m.wikipedia.org/wiki/Willys_MB https://en.m.wikipedia.org/wiki/Willys_MB