This calculator provides a practical estimate of winch feed rate (hose travel speed) for internal pipe blasting based on pipe I.D., required blast cleanliness, required surface profile, and the pipe’s starting condition (new steel vs previously coated). It is designed to help crews plan for consistent surface preparation and predictable cycle times when using a blast hose winch, especially on longer pipe runs where manual hose handling can introduce uneven blasting patterns.
Results are provided as recommended speed ranges rather than a single “perfect” number because real-world blasting performance varies with abrasive type, air pressure, nozzle condition, media flow, and jobsite conditions. Final surface preparation must always be verified by inspection.


