This is my first reverse crossbow build. Spring steel limbs, 20" power stroke and 90 lbs draw weight. It is heavy, arround 12 lbs, but it's because of thick steel I used for limbs mounting and trigger, and also limbs are really heavy. I used round pulleys instead of cams, so it isn't real compound, I just wanted to increase the power stroke. I am using single piece of paracord as a string, but I already ordered some dyneema fishing lines to make a proper string. It shoots much better than my 100 lbs medieval crossbow, but lighter arrows seems pretty slow to me. I think that's because of weight on the tips of limbs. I'm gonna order some 500 grain carbon arrows with 125 grain tips, instead of light fletched dowels i'm using right now. I hope it will increase the energy of arrows.
I would like to show you some pictures, but "New members are not allowed to post external links or emails for 7 days" So I will add links to photos after 7 days.