Paddleducks

Other Marine Models => Live steam => Topic started by: stanislavz on February 22, 2016, 06:37:20 PM

Title: Oil free steam engine
Post by: stanislavz on February 22, 2016, 06:37:20 PM
Hi. Are there any practical / know-how of small ( less than 1 hp) steam engines without lubrication ? I have seen it on toy models with ptfe rings, but not on something bigger and / or long running.