Fraps records with its own codec which doesnt compress footage overly much. I've been editing a video of a race sim recently which I had to use fraps to record when i've got the footage edited and am doing raw exports you get insane frame sizes. Its basically 30 bitmaps (800x480) a second at just over 1mb each so it works out at: 34mb sec / 2gb min / 9.4 gb for the complete 4min 50sec video!
All that and im only editing in 800x480px, I usually edit stuff in 1280x720 which hikes file sizes up significantly but I couldnt clip from Race 07 at 1280x720 and maintain 30fps at max graphics
I'll drop a link of this forum when im finished the video
