View Single Post
Old 10-04-2022, 06:25 AM   #16 (permalink)
EcoModding Apprentice
Join Date: Aug 2022
Location: South Africa
Posts: 154
Thanks: 58
Thanked 74 Times in 60 Posts
Originally Posted by freebeard View Post
I'm picturing a trombone slide.
Been done on 2-Strokes:

Seals are an issue, but mini 'piston rings' not tried.
No reason it couldnt work, but weight and complexity on a multi pistoned engine would be a challenge.
And the weight may outweigh the benifits..?
  Reply With Quote