Originally Posted by
David Kumm
Stuart, great information. It is easy to discount manufacturers claims in the DC business so it is good to have some real world experience. Does Harvey publish a fan curve? The acceleration of the air explains how the higher pressure readings are accomplished. Encourage Harvey to upsize the unit somewhat as it is a little small for woodworkers with larger machines. A DC that tops out at closer to 2000 cfm would handle large shapers, planers, and sanders while still pulling enough cfm through small ports. It would seem to me that the market for a 5-6K larger machine would be at least as good as the 4K machine serving lower end machines. Dave