Based on the test the 22E is very stable (22E is this one, right?
Reference:
http://www.hobbyjapan2000.com/store/proddetail.php?prod=DRAFL22E)
One thing which may be disadvantage is that the 22E come with the tail
motor, if the tail motor get too hot (if you fly for long time), it may
burned. This happen almost to all kind of helicopters come with tail
motor