general instructions. - Limit Of Shunt

Average
M.P.H.
Not to
exceed
General Instructions.—Continued. 1 7 3
Bra!vmi Freight Trains.—Continued.
Freight Trains Booked up to 35 M.P.H. average—Cass 4.
These trains must be composed of tight-coupled wagons with their springs
- secured to hangers or bolted, except that not more than two slack coupled
wagons may be placed in the rear within the van, provided that their gross
weight does not exceed 30 tons. (This includes springs bolted to.axle-box
or to the shoes.)
Freight Trains Booked up to 30 M.P.H. average—Cass 5.
These trains must be composed of tight-coupled wagons with their springs
secured to hangers or bolted, except that not more than 5 slack coupled
wagons may be placed in the rear within the van, provided that their gross
weight does not exceed 50 tons. (This includes springs bolted to axle box
or to the shoes). ( G . 23213).
(4) The following table shows the MINIMUM PERCENTAGE OF
BRAKE POWER allowed for the maximum average speed at which the
train is booked :—
1 Partly composed of unpiped
Piped throughout. - s t o c k and van unbraked.
Vehicles
braked.
Vehicles
Percentage. braked.
Percentage.
55 8 in 9 90
50 4 5 80
45 2 3 66 3 in 4 75
40 2 50 2 3 66
35 3 33 2 50
30 4 25 3 33
It will be observed that trains composed partly of unpiped stock and with
van consequently unbraked are restricted to a maximum average speed
of 45 m.p.h.
(5) The Guard in all cases must, in accordance with the Automatic' Brake
Rules, test the brake before starting, by either
(i.) Applying the brake, in the rear van when this vehicle is piped
or braked, or
(ii..) Opening the cock or valve on the last vehicle which is piped or
braked.
In order that the signalman may know at what speed these trains are
travelling when signalled on the block as Coaching Fish trains, the trains
must be reported on the Telegraph Instrument as under :—
Booked trains according to their Working Time Table number.
Specials :— Braked train 5 5 miles per hour.
50
45
40
35