pic: Twisted Hex Shaft - Chief Delphi

So kudos for asking advice... you've got plenty of good advice so far in this column... but honestly, if Orville and Wilbur Wright had taken good advice they would have packed up and gone back to their bicycle shop. - dtengineering [more]

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pic: Twisted Hex Shaft

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25-03-2011, 16:25

rahilm

Registered User

AKA: Rahil Mehta

FRC #0668 (The Apes of Wrath)

Team Role: Mentor

Join Date: Oct 2009

Rookie Year: 2007

Location: San Jose, CA

Posts: 116

Re: pic: Twisted Hex Shaft

Quote:

Originally Posted by Jared341

3/8" diameter, 2024 aluminum?

I'm curious to know just how much torque that took...

In 2008, our arm was able to rotate the keyway of a piece of hardened 1/2" steel keyshaft almost 90 degrees. It's impressive how an FRC robot can destroy itself!

1/2" 7075, which is why we were pretty surprised.

Quote:

Originally Posted by Andrew Y.

waht kind of aluminum is the turnbuckle?

Not sure the alloy, but it was some small diameter (bad idea in hindsight)

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