Atar Volant
...that, while the first model of the Atar Volant series was a simple turbojet engine, the third model was a proper coleopter, an aircraft with an annular wing that is able to land and take-off vertically without need of a runway?
...that, while the first model of the <b id="mwCQY"><a class="mw-redirect" href="./Atar_Volant" id="mwCQc" rel="mw:WikiLink" title="Atar Volant">Atar Volant</a></b> series was a simple turbojet engine, the third model was a proper <a href="./Coleopter" id="mwCQg" rel="mw:WikiLink" title="Coleopter">coleopter</a>, an aircraft with an <a class="mw-redirect mw-disambig" href="./Annular" id="mwCQk" rel="mw:WikiLink" title="Annular">annular</a> <a href="./Wing" id="mwCQo" rel="mw:WikiLink" title="Wing">wing</a> that is able to land and take-off vertically without need of a runway?