Propulsion continued

06 Apr

Now we are going to look at how the propeller itself is constructed. Again, I chose a plastic laundry cap as the central hub of the propeller. The blades are factory scrap dense foam from some punch out process. I cut the foam to shape with my band saw and cut the contours the same way, then smoothed them with sandpaper. I sealed the foam blades with white latex primer, drilled pilot holes in them and in the sides of the laundry cap. I then used wall anchors and hot glue to secure the blades to the hub. To finish the shape of the prop, I used half of a plastic easter egg and the hollowed out lid off a spice bottle.

The next step would be to add rivets and brass paint… but not today. Stop by again soon!

Assembled propeller

Propeller top

Leave a comment

Your email address will not be published. Required fields are marked *