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3D Printing for a Hit and Miss style 4 stroke Engine

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Roger B:
In the latest edition of Maschinen im Modellbau, 5/2025, there is a four-stroke hit and miss style engine incorporating a lot of 3D printed components. The builder had previously made a flame licker with a printed crankcase and decided to try an internal combustion variant.

The bedplate is printed with PETG and the crankcase and main bearing caps with PA12CF.

CI:
Thats pretty cool !
.

Jasonb:
I look forward to my copy landing on the door mat.

Michael S.:
Oh great, I have to go to the newsagent today.

Admiral_dk:
Interesting info - thank you Roger  :ThumbsUp:

I just Googled PA12CF review and saw a short YT video.
Here you could see the Nylon being softer after being soaked in water (it will absorb moisture from the Air too) and grooving in dimensions as a result too ....
So it might not be useful for all our purposes  ;)

Per           :cheers:

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