Originally Posted by earlwb
That looks like a RC Car slide valve carburetor on a model airplane engine. The needle valve sticking up like that tends to be a giveaway. A number of different brands made carbs like that too. But it does have some similarities to Picco, OPS, Ofna and some others though. The complicated direction changing parts for adapting it for airplane use is interesting. I hadn't seen that before.
Earl is right. That upward needle is car practise. Had'nt noticed that.