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unbalance sensitivity

unbalance sensitivity

unbalance sensitivity

(OP)
would a casted impeller on a single wheel, overhung compressor be (less,equal,more) sensitive to unbalance due to fouling, compaired to same compressor but with machined impeller (less required balancing holes/weights)?
 

RE: unbalance sensitivity

A poorly cast (porosity / bumps) impeller would be more likely to aquire deposits if the pumped media was contaminated I would think. The variable friction of a cast impeller would also contribute to an unbalance, if one started splitting hairs, so to speak.  

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