You want low RPM . . . . the Goblin can do. That’s right the Goblin can do low RPM and Bert proves it. At least for a little while until Bert kicks his Goblin into high gear. Simply awesome flying by one of the best in the industry. Good job Bert. Check out this vid by clicking through.
Bert’s Goblin @ low RPM
Bert Kammerer flies the SAB Goblin with lower head speed at dusk