Long throw orbital polisher

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Sorry to sound ignorant, but can someone explain the term "long throw"? Does that refer wider inner circles / action of the orbital pad vs a typical PC7424?

I hear the term being used with the new "Boss" but I'm new to machine applications.

Excuse the typos- iPhone

 

[2old2change]

When Porter Cable first offered their da for polishing paint they were about 6mm throw machines ( the stroke the pad traveled back and forth as it also rotated. The new era of machines started when Rupes created a 21mm stroke machine ( some call a long stroke ).

 

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Thank!