@ redeagle:
Haven't examined the pictures just yet but don't you imagine an old car graveyard might yield some bearings?
That's a really good idea using the children's balls for the mold. I actually did that once. I used some little plastic warning cones to make concrete cones then spray painted them. Believe it or not the Quikcrete next to the smooth plastic put a glass-smooth surface on the Quikcrete, smooth as a brand new bowling ball.
They were very dense & heavy as I recall, extremely smooth. You'd just need for the right mold material. Perhaps some Christmas tree balls would work. After the Quikcrete sets up just break the ball off it.
Haven't examined the pictures just yet but don't you imagine an old car graveyard might yield some bearings?
That's a really good idea using the children's balls for the mold. I actually did that once. I used some little plastic warning cones to make concrete cones then spray painted them. Believe it or not the Quikcrete next to the smooth plastic put a glass-smooth surface on the Quikcrete, smooth as a brand new bowling ball.
They were very dense & heavy as I recall, extremely smooth. You'd just need for the right mold material. Perhaps some Christmas tree balls would work. After the Quikcrete sets up just break the ball off it.
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