Boehm HB33 Triple Stirling Engine

Purchas this engine from Boehm StirlingTechnik HB33 Triple Cylinder with Dark Base Ref: BOBHB33 Base measurements: 156 mm x 108 mm x 150 mm, 1 kg Working rpm: 2000 2500 rpm, min, to regulate as slowly run. Incl. drivepulley for extern drives Bearing application: 10 highclass ballbearings Material: screw, side parts total stainless steel Cylinder brass, Rest aluminium, stainless steel.