In article ,
DerbyDad03 wrote:

I learned that the darker the Poplar, the greater the internal tension and
the more apt that the kerf was going to close around the splitter.

I've never seen that with poplar, but our northern version may be
different.

Hickory, OTOH...

djb

--
³Youth ages, immaturity is outgrown, ignorance can be educated, and drunkenness
sobered, but stupid lasts forever.² -- Aristophanes