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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Listers</p><p class=MsoNormal>About a month ago I posted to the list looking for a verification of a CFM calculation of the stock 4 blade fan on a 100. </p><p class=MsoNormal>Bill Atterbury responded that my numbers looked like they were off by a factor of 10. Bill was correct. </p><p class=MsoNormal>After revisiting the question it looks like the CFM should be approximately:</p><p class=MsoNormal>Fan specs: Pitch= 1-1/8 inch <o:p></o:p></p><p class=MsoNormal style='margin-left:.5in;text-indent:.5in'>Overall diameter=14.75 inches <o:p></o:p></p><p class=MsoNormal>CFM @ 700 RPM =310 CFM<o:p></o:p></p><p class=MsoNormal>CFM @1000 RPM =444 CFM<o:p></o:p></p><p class=MsoNormal>CFM @4000 RMP= 1776 CFM<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>So if you wonder why a small 12 inch electric fan that puts out 1250 CFM (FlexALite#111) seems to cool the 100 a lot better at idle<o:p></o:p></p><p class=MsoNormal>this may help to explain it, unless of course I have made another mistake. <o:p></o:p></p><p class=MsoNormal>Thanks<o:p></o:p></p><p class=MsoNormal>Perry</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">Mail</a> for Windows 10</p><p class=MsoNormal><o:p> </o:p></p></div></body></html>