Gav, One of the easiest ways to widen the KR2S is to first adopt vertical sides (no taper), then set your widest (width) point at the rear spar tapering to the firewall.
Larry A Capps NAperville, IL -----Original Message----- I've been studying the plans for a few days now, can imagine my surprise the KR2S plans don't actually allow for widening of the cockpit in the area that we sit !!!