Warbird designed in 1961 for the Sri Lankan and North Korean Airforce. Made from drawings starting 1972. Fully flush riveted and now with 120 litres of fuel. plus provision for extra 40 litres. Prop is Constant speed and 76 Diam. Has great rate of climb I have flown at 20k feet runs great. Designed for 9G max. Fly up to 6G aerobatic load approach 65 kts Cruise 126 kts. max 140kts t/off 300 ft. First flight 2000. I zinc Chromated every part totally.