Wilesco 2 cylinder marine steam engine D48 

Removable brass gas holder with filler and regulating valve, suitable for all conventional filling devices. Gas consumption about 20g, flywheel d=50 mms, fully reversible (allowing forward and reverse), self starting automatic drive.
Installation of a universal coupling d=4 mms is possible on either side of the drive shaft. Fully reversible steam regulator, infinitely variable, RC-connection can be joined to the reversing lever. Wilesco 2 cylinder marine steam engine D48

Twin cylinder Wilesco marine steam engine plant D48 suitable for installation in steam powered model boats. Gas operated.