About 200 of these 1942 designed Giro-kites were built, designed to increase the view of observers on U-Boats. It could be quickly assembled or dismantled and stowed in a deck hatch. Towed at 17 mph they could attain an altitude of 400 feet from where the observer could see a radius of 25 miles as opposed to a mere 5 miles from the U boat deck. This example has been fitted with wheels, possibly for training purposes.

This photo is copyright © Mick Bajcar, and may not be used or published in any way without permission.

It was added on 12 November 2017, and has since been viewed 197 times.