On Apr 26, 6:13*pm, Walt Connelly Walt.Connelly.
wrote:
I have seen a number of glider advertised and most tell you the total
time. *Unlike a powered airplane which has a tach or a Hobbs meter,
gliders seldom have any built in way to determine the actually time on
the air frame. *While people might try to inflate their personal flying
time, I would not be surprised if many of these gliders are low balling
their actual air frame time which I presume has a lifetime limit in one
way or another. *Is there any reasonably foolproof/accurate way to
determine the true time on an airframe? *I cant think of one.

Walt

--
Walt Connelly

You cut the spar in half and count the rings.