(9).
15
ine back of the bridges between the ports ale to be
rounded off with a good radius in order to prevent
oddying of the steam.
26. Motion. Je valves are to be actuated by Walschacoti'
valve motion ariangod outsião the wheels. Lue motion
actails shown on Drg.No.4.4472/147, e1.25 1/1 arc to
be followed as far up is practicable, the motion is to
bc of vibrac on other stool of the same clats told bunica
with Special bronze bushes as shown on the drawing.
pius ale to be kept the same diameter as shown on tho
drawing, where practicable. The motion plate are to be
The
of cast stool. Motion covoring plates arc mot required.
27. Reversing Gear. The engines are to be fitted with iland
Rovo sing Gear on the left-hand side. The Reversing
'Geur details for chisting engines sie show on Jigs. Nos.
2.4472/ 154 / 155 / 156 & /157, Reg. No.251/1 and as far
as the design will allow, these details are to bc wolked
to.
28. Crosshcads & Slidebars. The Crossheads arc to be mado
of forged vibrac steel and fitted with top and bottom
slippers of cast-iron lined with antifriction motal
similar to the design shown on Drg. No.4.4472/142 Roqu.
No.25 1/1.
The Gudgeon Fins and nuts arc to bc of clas¤ "j"
stool, the gudgeon pins being tapered in both jaws of
cach closs-load. Che cross-head cottare ale to be of
class "D" steel.
Oil boxes are to be suitably fitted
for oiling the connecting rod sua 11 em and the bottom
slippers. the closshead all alc to be fultched to the
closeleado by means of studs having £quale shoulders.
Two slidebars, of vibrac stool ale to be iitted for
cach crosshead with bralo limor plates at the front and
back cuds.
No comments yet.
Private notes are available after approval.