Flying on skis is awsome, and the cub will be a good airplane for you. If you could fly when you quit, you will pick it up fast. A sim would help get your fingers ready if you can get one.

I used a piece of rain gutter downspout (plastic, white) and cut the shape of the ski, dip the end in boiling water to get it soft, shape it around a can of pop, and then to mount the ski to the axle, I used an old single sided engine mount I had in a drawer, run the two screws through the bottom of the ski, nut on top, drill the side of the mount for the axle and hold it on with collars. There are lots of tricks to keeping them at the right angle, the one I like the best is a steering arm through the axle, and the other end drilled into the mount, set your angle, tighten the bolt and you have your ski angle. You can put one on the nose for the trike or tail for conventional.

If the powder is too deep, it gets tougher, but is more fun to do touch and goes on the snow than just about anything else.

Have a ball. You will like it. Good luck.