Lathe Spindle spider

I gave three examples of how rotating stock can be deadly. Whether it is protruding too far from the spindle or running exposed, rotating stock is a hazard regardless of spindle speed.
 
Manuel mschines have exposed rotating mass always use exstream safty . When running longer stock eather out the back of the head stock suported or with a stady rest and or live center.ALWAYS check your setup at the lowest speed posible and fine tune the setup. Then work up to speed. I turned a 22ft long x 3 inc dia boat shaft today. But won't go into the setup here.
 
When I was just a kid I was working with an 8 foot 1" bar.
The bar bent and took out a whole row of shelving and corded tools.
It cut the shelves right down the middle and also cut some of the
tools in half. Was a good learning experience. No harm to the lathe.
 
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