g-cats do very well without a boom
if your not racing, you probably can do without
you will need a good / heavy batten on the bottom pocket, and a multi hole clew plate so you can hang your blocks in different locations - (to take the place of your outhaul)
Here is a picture of Hans G (cat) - himself, i took last month - on his 5.0 sans boom
Edited by MN3 on Jul 07, 2017 - 01:45 PM.