2 thoughts on “Bristol Hercules: The devil is in the details (XXI).”
Max Bentele, in ‘Engine Revolutions’, praised the simplicity of Bristol Single Sleeve Valve distribution, however, he was afraid of high number of gears in that design, he spoke of over 100 gears.
Aviation Rapture 
Max Bentele, in ‘Engine Revolutions’, praised the simplicity of Bristol Single Sleeve Valve distribution, however, he was afraid of high number of gears in that design, he spoke of over 100 gears.
Well, If you count it, there are not so many.
😀