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Old 10-04-2022, 06:25 AM   #16 (permalink)
Logic
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Quote:
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..?
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