A large wind turbine provides adequate air and steady pressure to play over 40 ranks of pipes.  The blower was made 100 years ago by Spencer OrgoBlo of Windsor, Connecticut.  They have made over 37,000 pipe organ blowers.  The company is still in business and manufacturing larger blower and venting systems for commercial buildings of any size.

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20Hp electric motor

VFD (variable frequency drive) rated for 50Hp running with speeds from 24Hz to 60Hz

3-phase

Top speed is 1750 RPM

Shaft diameter is 2 1/4 inches and shaft length is 40 inches

Twin turbines with a depth of 4 in ch blades provide up to 26 water inches of static wind

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