There was a device called the "flying beadstead" it used one central jet engine for the main lift, I am not sure how they stabilised it.
They had a device called "Neil Armstrong". It wasn't always successful.
There was a device called the "flying beadstead" it used one central jet engine for the main lift, I am not sure how they stabilised it.
They had a device called "Neil Armstrong". It wasn't always successful.