Cross post from EVGray group backlash issue
- This guy builds props for the movie industry...
> O.K. Take a nylon nut of about 1/2" NC 13 drill a 7/32 hole in one flat and thread it with a 1/4"20 NC tap. Thread that with a nylon 1/4 20 short allen head or hex head machine screw. That should give zero backlash when you capture the nut.
> It is higher friction than any commercial unit but it works.
> Old Honda power antenas are good extenders, by the way.
> i have forgotten what you need this for it has been so long.
> Cheers Warren