Lire un avis sur http://bernardino.over-blog.net/2015/05/heron-multiplex.html
Et aussi http://www.jivaro-models.org/heron_multiplex/page_heron_multiplex.html
[youtube https://www.youtube.com/watch?v=HlLRuhq5Gq0&w=560&h=315]
[youtube https://www.youtube.com/watch?v=kXjsuJqb-r8&w=560&h=315]