nice pict,
the Beryll, use a really little mix of RUDDER -> ELEVATOR, only 5%,
To see more KE with a modify pattern plane F3A with those "old internal combustion engines", YS 160 DZ, you can watch it in this link:
http://es.youtube.com/watch?v=i90H2tOMSIs
greetings,
J. Rombaut