RE: Re:Engineering 101

["Mullen, Tim \(IIS\)" <Tim.Mullen@ngc.com>]

jblair1948@cox.net
> 
> one nice thing about the worm gear is they are 
> supposedly self locking. So if you have a load 
> you are lifting, and stop, the load won't try 
> and lower itself.  It will stay put.

Yes, depending on the angle of the "thread" on the worm gear.  The worm
gear turns the driven gear, the driven gear cannot turn the worm.

But you can have it so that the driven gear can turn the worm if it's
designed to do that.

Tim Mullen