Dont remember who did the first one here in Sweden but heres a link to Lars Jonssons blog with some pics of a "B42"
Another guy Michael Nilsson placed his B42 in second place at the Swedish Nationals the past weekend
http://rc10b4.blogspot.com/2010/06/b42-mk2.html
http://rc10b4.blogspot.com/2008/10/rc10-b42.html