Spool. you can tell easily between spool and poppet, because a
poppet valve has a visible bolt with a cocking lever on in, whereas
spools have no external bolt. Look ate the planet eclipese EGO and
the GEO and you will see what i mean.
View page
In regards to a boat, a poppet is a small wooden strip that is
used to support an oarlock. This is usually placed on the gunwale
and is a type of valve.