Blower Question CFM vs. MPH
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Thread: Blower Question CFM vs. MPH

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  1. #1
    us
    Apr 2013
    Rio Rancho, NM
    Gold Bug 2
    2
    1 times
    All Types Of Treasure Hunting

    Question Blower Question CFM vs. MPH

    I have been running a Craftsman blower on my Gold Buddy Maverick. I think it is a 200 MPH unit. Does anyone know if a blower with more CFM and lower MPH is better or vice versa? It seems as though I need more air.

  2. #2
    us
    Master of MeteorWRONG

    Dec 2012
    Albuquerque
    Gold Bug, Treasure finder. Gold Cube, Chisel, Hammer, Eye Loop.
    611
    353 times
    Prospecting
    I bought a 450 CFM blower for my Dry wash.. it says 200 mph but that's only with its attachment that narrows the air flow. in the research i did Pryor i found that most people were running 350cfm to 450cfm.. but not many ever mentioned speed. Hope it helps...

  3. #3
    us
    Jan 2013
    Yuma, Az
    Gold Bug II
    135
    105 times
    Prospecting
    Good day ,

    The CFM is more important. The CFM is the volume of air moved which is totally dependent on the blower size and design. You can't increase CFM by changing nozzle sizes of shapes. You can increase MPH by changing to smaller nozzle size, as air squeezed through a smaller area will increase in speed but will never increase in CFM or volume.

    I hope that makes sense,
    Chris
    Goodyguy likes this.
    Chris Robertson
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