On Nov 18, 9:29*am, Rex Mayes wrote:
JJ,
If I may add.... The torsional load of the T tail, especially with
lead weight installed is a big factor as well. *I do not believe the
style of tail wheel is a factor in tail boom fractures.
The style of landing, on the other hand...

Rex

Ditto what Rex said. The T tail creates quite a moment at the end of
the boom as the whole assembly swings to a stop.
Torsional load breaks skinny part of boom. Seen and done on many a
scale RC model sailplane.