"Jim Stewart" wrote in message
...


John Doe wrote:
If lightness is a high priority, should a driveshaft be hollow?

I'd like to replace the driveshaft of a grass trimmer. Since
lightness is high priority, does a hollow tube make sense?

Thanks.

Just be aware that the loads might be way
greater than you think when the blade hits
something.

This is the powered-skate guy with the short temper.