3a-3b. From above,
note the narrower
face and smaller
knuckle opening of
the #158 coupler
compared to a #5.
Centering is much
more critical with
close-to-scale size
couplers. From the
side, see the differ-
ence in knuckle height of the two styles. Bumps in track
can make couplers separate unless both are installed at
the exact correct vertical height. Note the offset in the cen-
tered horizontal mold line in the two couplers.
3a
3b
Russ Bellinis’s
experience is “the
track work has
to be perfect to
use them. If you
have any dips and
bumps in your
track work, you
will experience
nuisance uncou-
pling. The track
work and coupler
heights must be
good with #148s
(#5-size with an
integral spring),
