Free Flight, CL and RC, the operative word being 'vintage' or at least 'classic'.
The pics are on the Dutch forum (ignore our secret language

https://www.modelbouwforum.nl/threads/d ... st-3978369
Here are some of those pictures already as a teaser so to speak...
The happy crew:
My tiny J3 with a glimpse of the 'little black box' (rudder, kick up ele and 4 pos. motor control, featured in 'Single Channel' http://www.mode-zero.uk/viewtopic.php?f=24&t=685#p5351 )
Enjoying the sheer relaxation of single channel

Being the only one flying single channel, but gave several the opportunity for a little try, interest has gone up her by a few 100% now) :
My friend Henk de Jong and his magnificent FF DH-60: