==External links ==*Leyat Helicycle-[http://www.3wheelers.com/leyat.html]*Helica image-[http://www.goodwood-festival.com/2000/Main%20Pages%202000/gr2k28b.htm]*Marcel Leyat's Helica-[http://www.helica.info/eindex.htm]
* Leyat Helicycle-[http://www.3wheelers.com/leyat.html]* Helica image-[http://www.goodwood-festival.com/2000/Main%20Pages%202000/gr2k28b.htm]