name='Jim' said:
The most powerful 98m3/h ones are about 54CFM I think.
I just did a little bit of maths and put 98m3/h at around 57cfm. I'll convert the whole chart for you guys if wanted and add it to my post.
Alex
After a good 10 minutes of crunching numbers (thanks uncle Google!), Here is the converted chart, should be accurate within a couple cfm, which is well within the margin for manufacturer BS, I mean error!
120 mm - 500 rpm: 0.015 A - 5 dBA - 31 m³/h - 18 cfm
120 mm - 800 rpm: 0.023 A - 9 dBA - 48 m³/h - 28 cfm
120 mm - 1,150 rpm: 0.034 A - 16 dBA - 63 m³/h - 37 cfm
120 mm - 1,450 rpm: 0.049 A - 21 dBA - 85 m³/h - 50 cfm
120 mm - 1,850 rpm: 0.083 A - 28 dBA - 98 m³/h - 57 cfm
92 mm - 1,700 rpm: 0.03 A - 13 dBA - 44 m³/h - 25 cfm
92 mm - 2,150 rpm: 0.046 A - 20 dBA - 58 m³/h - 34 cfm
92 mm - 2,650 rpm: 0.078 A - 26 dBA - 71 m³/h - 41 cfm