<p>@imafan- haha, you think ;)?
And the op clearly said that its for both to try something new AND to help with college admission.
@GolfFather -While winter training is certainly on an erg, most reputable coaches will tell you that being on water, running, weight lifting cant be beat.
In terms of OPs question of trying and training - I would posit that before you train, you must TRY. And before trying OP is finding out what type of an erg is best.<br>
In terms of your statemnt of " is none of our business and doesn’t matter. The O/P’s son may think it helps wi…" Well actually if we know the answer we may give a better, more detailed answer. In any case, you may not care, but I am curious.</p>