Hi Phil yes it was a K4 they also had Capstans ? I think they were called, I do recall that someone flew one straight into a hanger on my course and did a bit of damage, I know I had a cable break on my first solo which was interesting and on my second I met an airsea rescue Seaking coming straight towards me on my downwind leg and I spent so much time looking at him and hoping he had seen me that by the time I realised where I was I was very low which ended up with me doing some quick turns on to a very short final coming in quite fast and low and only popping the spoilers out as I came over the fence, everyone thought it was very good and I had done it on purpose, I didn’t enlighten them that was all apart from my instructor, who was a Seaking pilot,he had seen what had happened and just said “that was an interesting circuit for a second solo, frightens me to death now just thinking about it, if there had been a double decker bus going along the road I would have gone straight through his top deck