Imax1 said..
Said boyfriend had another go today and preferred my EVA covered formula board . RSX got dumped after one date . He actually did very well . Second sail ever for about two hours , didn't fall in . 5 to 10 kts. In control up wind , down wind . A one m wide formula board is a great learners board .
Formula might be stable but it has zero glide, either it's slogging or planing, that's not so good for learning.