Here's a list of file sizes: 1 hour of VHS = 13GB in avi
30 Minute VHS-C = 6.8GB
2:00 minutes - 1 reel (50ft) Super 8 (not pulldown) = 0.44GB
1 hour miniDV (SD or HDV) = 13.2GB
1 hour audio cassette / LP (wav) = 1GB
3:23 minutes - 1 reel (50ft) Super 8 (pulldown) = 0.72GB
2:20 minutes - 1 reel (50ft) Regular 8 (not pulldown) = 0.5GB
4:40 minutes - 1 reel (50ft) Regular 8 (pulldown) = 1GB