To the OP:
Sail both of them upwind in 25 knots breeze; then decide. Some people's bodies don't like the "twitchiness" of catamaran
motion. Other people find them far more comfortable than monos, and especially at anchor
. The heel angle of a mono actually helps me cope with jerky motion. No idea why, but that's how it is. Everybody's different, so you both need to experience the motion for yourselves. I'm sure Rohan meant well, but do check it out.
At one point, we almost bought a catamaran
. One of the reasons we eventually decided agaist it was the fact that we had years and years experience in monos, and were concerned that we'd screw up on the steep part of the learning
curve. I mention this, because your own experience as a sailor may have a bearing on the answer to your hypothetical question.
As it turns out, we are quite pleased with our mono, and for that, I am grateful. But this decision need not become the usual mono vs. cat chat. Personally, I think you can make this decision based on data that you can gain by a combination of research
and experience. The question itself makes me wonder whether there is a basic conflict of interest with one of you wanting the Gemini
, and the other, the IP. Data may help you reach a consensus. Plus, if that is the case, the one with the more knowledge and experience should make the choice, IMO.