Summary

Gnome Monosoupape engine drawn at 1:5 scale. Dummy engine will fit around 50mm electric motor. Holes through three cylinders for fixing into model. No spark plugs for simplicity. Rockers have through holes to allow 18 swg wire pushrods to be fitted down into cam followers.

Small supports behind cam followers are designed to be broken out after printing.

This model is now available printed in various scales from 1:7 up to 1:3. For details, see Scalercengines.com