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These Expertly Designed Spinning Tops May Never Stop Spinning (Original Post) LiberalArkie Dec 2015 OP
Way cool! OffWithTheirHeads Dec 2015 #1
What a great show! NBachers Dec 2015 #2
Useful but not a perpetual motion machine zebonaut Dec 2015 #3
K&R! stonecutter357 Dec 2015 #4
That was charming. Thank you. surrealAmerican Dec 2015 #5
Wow! Fantastic! Unknown Beatle Dec 2015 #6
I think the ball tip was a bad idea. Lionel Mandrake Dec 2015 #7
Very cool! MynameisBlarney Dec 2015 #8
Craftsmanship... Myrddin Jan 2016 #9

Lionel Mandrake

(4,076 posts)
7. I think the ball tip was a bad idea.
Thu Dec 31, 2015, 09:26 PM
Dec 2015

Once the point of contact moved off center, friction, motion across the platform, and wobble inevitably resulted.

The pointed tip made of tool steel was a winner. I'd bet a diamond tip would be even better. Who cares if it scratches the platform?

Myrddin

(327 posts)
9. Craftsmanship...
Sat Jan 2, 2016, 03:07 AM
Jan 2016

... a term too often derided by modern industry. Good to see those old craftsmen (if only narrowly) win out!

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