Darmstadt Windspiel
... that the Darmstadt Windspiel, a German sailplane which set a 1934 world distance record, was silk covered and weighed less than its pilots?
... that the <b id="mwC0U"><a href="./Akaflieg_Darmstadt_D-28_Windspiel" id="mwC0Y" rel="mw:WikiLink" title="Akaflieg Darmstadt D-28 Windspiel">Darmstadt Windspiel</a></b>, a <a href="./Germany" id="mwC0c" rel="mw:WikiLink" title="Germany">German</a> <a class="mw-redirect" href="./Sailplane" id="mwC0g" rel="mw:WikiLink" title="Sailplane">sailplane</a> which set a 1934 world distance record, was <a href="./Silk" id="mwC0k" rel="mw:WikiLink" title="Silk">silk</a> covered and weighed less than its pilots?