simple releases?

I've been scanning all over the forum, but am finding only fairly complex releases (rolling nuts and such). I am making everything but the prod and string. My plan was to use a peg release, possibly a double peg with a space between so that the bolt touches the string. I was thinking of making it so that the default position is peg-up, with the trigger being a simple lever which would pull it down when the trigger was pulled up - using a leaf spring to keep the trigger from shifting unless pulled.

I'd appreciate any guidance, even if it is an attempt to convince me to make a more finicky release.

Many thanks!

Rekon

Simple releases can be made to operate fairly efficiently. Drop-pins or peg in notch releases are certainly documentable for medieval type bows. Both tend to be a bit hard on string center-serving and both types will benefit from fitting some sort of string-snubber to prevent the string's hopping over the butt of the bolt on release.
If you want to do a drop-pin release, figure on a double-pin with space in between for the bolt rather than a single pin. Double pins allow you to place the bolt right up against the string, giving you a quicker, smoother release with less cumulative damage to the bolt's butt as well as less wear on the string serving.
There are reasons why most of us prefer the more complex releases: better performance, smoother release, less chance of misfires. But to each his own. You can make a perfectly enjoyable crossbow with drop-pins or notch-lock.
One other piece of advice: Don't build your first bow out of a crappy piece of pine... get a decent piece of wood. Mahogany will do, though I prefer cherry or walnut. Though a nice hardwood will cost a few dollars more at the outset, you'll end up with a much prettier crossbow when it's done. Remember, Cheap tools and Materials don't result in a quality product. You needn't buy the most expensive, but if you buy super-cheap, you're guaranteed to be sorry. Geezer