My thimble

[oregonsteam]

My thimble! It runs on lung power.

 

[Jared]

Nice! What does it use for a valves?

Hmmm. That's funny. I don't see the video. ;D

 

[Tin Falcon]

Rockeritis strikes again!!
Tin
Jared no valve it uses piston blow by so is not efficient fun though . It has a power stroke and a return stroke no real exhaust.

 

[Deanofid]

Rocker time again! Fun, aren't they?
Good on ya!
We gotta have a video, though. Please?

Dean

 

[oregonsteam]

I hope this works!