I think it could be the Spruce Goose that was built by Howard Hughes. It is big lumbering and has been flown only once. If you ever want to see it I think it is still located in Long Beach, CA.
JUmbo 257 100 km per hour
me
their is no slowest car because they are all slow when the are not moving
The NASA Solar plane.It goes to cruise altitude in 6-9 hours
Munchlax and Shuckle
---- the second slowest car ever made is the Gumpert Appolo S. from James "Captain Slow" May
The slowest I've ever seen was 5 MPH, but this was on private property.
flintstone car hahahhahaha
the slowest mile ever was ...... wait he is still running
its not
Depends on what you consider flying the Harrier and F-35B can hover at 0 knots