The Hercules was a considerably larger and more powerful engine, which necessitated the use of larger propellers; to obtain the necessary ground clearance, the engines were mounted centrally upon the wing as opposed to the underslung position used on the Beaufort.
The Hercules was a considerably larger and more powerful engine. A considerably larger and more powerful engine necessitated the use of larger propellers. The engines were mounted centrally upon the wing as opposed to the underslung position. This was to obtain the necessary ground clearance. This underslung position was used on the Beaufort.