Anthony that size window was a standard feature on th
Perris pacer . All derrek did to make that open like that was to remove the inside trim and install hinges on top . The entire window with the frame than opens . On the new
hc1 campers due out this summer you can have a choice of a longer window or a standard smaller window there will also be a rear opening hatch. You can see it at
happier camper .com