Does anyone know why the forward nose gear doors on the CRJ-700/900 remain open while the gear is down but the CRJ-100/200 forward nose gear doors retract after the nose gear is down?
CRJ-700
http://www.airliners.net/open.file/0859476/L/
CRJ-200
http://www.airliners.net/open.file/1198223/L/