The fire in 1899 gave Cody the chance to go over his ideas for new kites. Entries were found in a notice book from around this time regarding a Extended Box Kites. The notice book also contained ideas for the first Man-Lifting System and a TOP SAIL.
The first land tests took place in Wanstead near London. In March 1903 the tests were then transferred to Portsmouth and took place at sea. In all the tests went on for a number of years and in various locations. At first , instead of using people , wooden weights were used but trust in the tests grew and only a few accidents occurred e.g. when the ship turned and sailed with the wind instead of against it. Many different things were tried out e.g. detection of U-Boats or Water Mines etc.
Observation tests also took place.
The whole system could be put together and manned in 20 minutes. It was
also possible during observation to move the system back and forth. In
the year 1905 Lieutenant Broke –Smith reached the record height of 3440
feet. As the kites had been developed to perfection they were put into
production. They could lift up to three people and they flew with a top
sail or without. When without then with braking cloths for