Forum: Yurt Living
05-22-2015, 07:37 PM
|
|
Replies: 6
Views: 6,645
Re: Off Grid 12 Volt DC Ceiling Fans
Using some crude numbers based on estimated geometry and those rpms, you should get something like 300 cfm at the slowest and 600 cfm at the fastest. No guarantees, naturally :p
From perusing...
|
|
Forum: Yurt Living
05-22-2015, 01:51 PM
|
|
Replies: 6
Views: 6,645
Re: Off Grid 12 Volt DC Ceiling Fans
Well this study (http://www.fsec.ucf.edu/en/publications/pdf/FSEC-CR-1770-98.pdf) is interesting--gives you an idea of good/bad ceiling fan use and typical power draws & cfm numbers. Doesn't say...
|
|
Forum: Yurt Living
05-22-2015, 10:58 AM
|
|
Replies: 6
Views: 6,645
Re: Off Grid 12 Volt DC Ceiling Fans
To be honest, I would not trust anything that moves air and rotates but doesn't give some measure of how much air (cfm), and at what speed (rpm); noise levels (measured in decibels, dB) is also...
|
