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My my such an old thread and man was I clueless at the time.

The CS does not use a brushless motor it's a brushed motor made by Johnson Electric there were rumors that it would be brushless and I think it having the brushes near the front of the fan case only fueled this rumor.


Also my assumption of 42 cfm is far off. The methods I were utilizing at the time was based off bad assumptions created by a poor understanding of the airwatts formula.

Here you can see how the Tristar MG2 does. and I also have measured a CS but unfortunately I have little data on the EXL other than knowing it does indeed have more flow than the MG2 not 3x as much granted but more than it.


Now I don't know if the EXL surpasses the CS or not. Do keep in mind the longer your hose is the more airflow you'll lose.


The measurements I had gotten for the CS Were:

Hose: 90.41 CFM ~67"

Wand:85.29 CFM 63"

Head: 68.33 CFM ~16"


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