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Power Pro Headstock Review

pp_cutaway_d_l        sf_speed_control_aIMG_1505m7_cutaway_motor

Now, about the PowerPro: I like it, A LOT! The motor is a new technology that is neither AC nor DC in the way we would normally think of things. They call it Digital Variable Reluctance and a Google search will provide you with a great deal of information about this new type motor.

For me, what is important: I get twice the usable torque at every speed!

This has always been the missing ingredient in variable speed products. Whether slicing through heavy rip cuts in old warped cherry, turning large, out of balance bowls, or resawing on my band saw, the difference is clear. In fact, every operation that is powered by the Mark headstock gets an upgrade. I can take heavier cuts on my jointer, resaw thicker boards, crosscut and rip with ease, turn bigger bowls, more safely and efficiently.

The motor is controlled by a computer that reads and adjusts torque requirements at a rate of 400 times per second, and not only gives me noticeably better performance, the folks at Shopsmith tell me the power usage is reduced by 80%.

I found learning to use the PowerPro quick and intuitive. The only habit I found hard to break was using the main on/off switch, but that was quickly overcome with use.

One of my favorite things about this new technology is the ability to improve it even more by a five-minute conversion to 220…really, five minutes.

It simply involves removing the standard 110v plug and replacing it with a 220v plug, then plugging into a 220v receptacle. (If you don’t have 220v. in your shop, it is easy to add, if your circuit breaker panel is near, and it has room to add a circuit.) IF IN DOUBT, CONSULT A LICENSED ELECTRICIAN.

Other good features: You can set a lock out code to keep kids or anyone else from operation your Mark V or Mark7. You can get so precise; for example, you can set exactly for strip sanding, 180 grit, hardwood, garnet abrasive. It’s just fun to use.

While this is not an inexpensive upgrade, I feel like it leap-frogs Shopsmith owners ahead of anything else on the market. ♥♥♥♥♥

Note: Susan and I contract with Shopsmith, Inc. to produce webinars for Shopsmith. We get paid commissions when people purchase Shopsmith products through us.
However, as we have for 20 + years, we strive to provide honest advice and our best opinions in all of our dealings.
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