Kévin Seroux:
As reported here (http://forum.flightgear.org/viewtopic.php?f=32&t=26629),
the FGCom standalone client use 100% of the CPU when it is in OBS mode. The fact to add the shortest sleep time
(1ms) has solved the problem. With this patch, I run FGCom with 1% of CPU usage instead of 100%.