My first question is for what purpose are you trying to make one.The reason being what do you intend to use it for?mounted archery,hunting,flight shooting?every composite hornbow has a purpose that determines how it should be made,I have made replicas from fibreglass and wood and am currently working on a few true composites with horn wood and sinew,I do not know if they will survive,but that is the fun in the game.
Laminated fibreglass replicas are fairly easy to make,the fun begins when you try to make ones with horn,I found out the hard way,but every moment has been more than worth it.
regards
Shikari