Summary

Model of the cylinder layout of the Napier Deltic engine found in the Deltic class of British diesel locomotives. 3D printed in 46 parts and assembled into a working model. A stop motion video is available in the downloads.

Instructions

Print all the parts and assemble, PDF instructions with pictures are provided in the downloads.

A STEP file and movie are also available in the downloads.

Part List

Stage 1

Â Â Â 1 x Base 1

Â Â Â 1 x Base 2

Â Â Â 1 x Base 3

Stage 2

Â Â Â 5 x Plain Gear

Â Â Â 1 x Cam Gear 1

Â Â Â 1 x Cam Gear 2

Â Â Â 1 x Cam Gear 3

Â Â Â 3 x Cam Gear Pin

Â Â Â 5 x Plain Gear Pin

Â Â Â 3 x Cam

Stage 3

Â Â Â 6 x Piston

Â Â Â 6 x Gudgeon Pin

Â Â Â 3 x Single Con Rod

Â Â Â 3 x Dual Con Rod

Â Â Â 1 x Cylinder 1-2 (I found it best to print cylinders vertically)

Â Â Â 1 x Cylinder 2-3

Â Â Â 1 x Cylinder 1-3

Â Â Â 3 x Cylinder Links

Napier Deltic Engine Model