Heads, steel

Water-cooled steel heads for an iron Sportster.

Here is the 2-D CAD file:
Head_steel.DWG

This is a 2-D study to see if you could fabricate water-cooled steel heads for an iron Sportster.

The benefit of steel is simply its structural strength. This is not intended as a casting. The head is fabricated as a weldment. With the thin walls allowed by the stronger steel, this design should weigh about the same as an aluminum head. The thin wall also lets the heat get out, despite the poorer specific-heat of steel vs aluminum.

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Heads, steel

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