5HP Road Locomotive Feed Pump

The pictures below show the complexity of the RL feed pump pattern, the normal two part split pattern not being possible.

Click for larger image




3 part pump pattern made in wood A core print is used for the middle section Resin cast made from core print




First resin block cast around pattern

Resin block 2 & 3 cast around pattern

Last resin block cast, 4 blocks in total



Core print made for plunger, square end
locates and prevents rotation.

Individual core boxes around
resin blocks

Wood core prints made and two
core boxes to make the two cores


Some examples of 3D printing.
RL Feed Pump Casting.
RL Feed Pump Casting.

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