Puzzle Time
We finished the last stretch of the Staffs and Worcs today, winding through narrow sandstone cuttings down to Stourport. We’ll be staying with my brother and his wife for a few days. Meanwhile, here is a puzzle for you. Our boat makes a screeching sound when the engine is going at about 1200 RPM. It starts at 1000 RPM and dies out around 1400 RPM. It happens when the engine is in forward or reverse, but not neutral. It does…