>When a rudder stalls due to AoA deflection, what would a pilot see? >Is there less rudder response?
I'm not sure what the original poster (Jay Hunter) meant by "rudder stall". It was either 1) deflecting the rudder causes the glider to stall, or 2) the rudder itself stalls. Effect 1) can easily happen if there's enough roll-due-to-yaw coupling, which of course is strongest on a r/e glider. So if your poly ship is flying straight at minimum sink on the edge of stall, and you simply slam the rudder hard over, the wing will almost surely stall. As Blaine pointed out, an experienced poly pilot will unconsciously apply some down elevator along with the rudder to prevent this stall when rolling into a turn. On a flat wing airplane this effect doesn't exist, and there's no need to apply this down-elevator correction. Effect 2) will happen with enough rudder deflection and/or sideslip, but it's almost certainly inconsequential. When a low-AR surface like a vertical tail stalls, its lift typically will just level off rather than dropping sharply. So you probably won't even notice it. RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off. Email sent from web based email such as Hotmail and AOL are generally NOT in text format