On Apr 28, 12:32*pm, SF wrote:
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.

Unfortunately, that seems to have stopped working sometime in the mid
60's but that's been hidden by Hänle's "trick", splicing on a new
series.