Two different plans of the model of this highly successful Slingsby glider have been designed by Chris and are available to buy. The two sizes are 1:3.5 @ 5.2m AUW 18lbs (8Kg) shown in these pictures and 1:4 @ 4.5m. For purchase details see here
Maiden flight of the new redesigned model
Chris launches the Skylark from the hill at Retroplane '07
Images of the Skylark at Retroplane 07 (top image: Dave Camp)
Below is a YouTube video containing the Skylark in action