problem that is referred to as “autorotative 
rolling.” A rolling airplane which has a high 
positive dihedral effect may reach a large pro- 
verse sideslip as a result of the inertia couple and 
the rolling moment due to sideslip may exceed 
that available from lateral control. In such 
a case it would not be possible to stop the air- 
plane from rolling although lateral control 
was held full against the roll direction. The 
317