The winner, no doubt.


On Wed, 25 Apr 2007 12:08:11 -0400, Goedjn wrote:




If the owners are truely as feeble as you seem to be implying,
I think you should get a reversible motor and some threaded rod,
and open and close the window electrically. If they're
able to exert any reasonable amount of force, then
just use a hinged stick like they used to use to lock
baby-gates into doorways. Kind of like this:

www.goedjn.com/sketch/wlatch.gif

The amount of mechanical advantage you get
is the ratio of the amount of the top stick
right of the hinge to the amount left of the hinge.

--Goedjn