From: http://www.btinternet.com/~a.c.walton/navy/rn-cv1.html
Hermes Class
Fleet Carrier (CV)
3.jpghermes1.jpg Displacement: 11,024 tons standard ; 13,208 tons full load
Dimensions: 548 pp, 600 oa x 70.25 x 21.5 feet
Propulsion: Steam Turbines (6 Yarrow small-tube boilers, 2 shafts, Parsons geared turbines), 40,000 shp.
Speed: 25 knots
Compliment: 664 (including air group)
Aircraft: 20
Guns: 6 x 5.5 inch ; 3 x 4 inch ; 2 quad 0.5 inch (added 1934)
The first purpose built aircraft carrier in the world. The design was based on that of a cruiser and the ship was intended for a similar scouting role. Stability problems were caused by the large starboard island with fuel having to be carefully distributed to balance the ship.