Thats a big thumbs up from me also.
A friend Peter Kitchen raced there, also we used to fly control line planes there 1969-70, so the karts were a great sight.
Habu- man, a pulse jet, thats the Marsh dragster of model engines,same principal as in the Nazi V1 Doodlebug.. What a sight with your dad !!!!!!!!!! Was it on a Combat Wing with the long streamers behind ?