You might be interested to read the late Dick King's 2-Part Pilot report in World War I Aeroplanes, No. 190 Nov. 2005, and No.191 Feb. 2006.
WW1 AERO Journal Index
These are based on his experiences with the Hisso-powered reproduction that he used to fly at Rhinebeck Aerodrome. He also writes about the Snipe in his book "The Skies Over Rhinebeck".
Are you looking for drawings, model plans, or other specific info?