18: The lower
quadrant train
order semaphore
atOakhill.
TheOakhill
operator has set
theeastward
semaphoreblade
to stop (up/
horizontal)while
copyinganorder
for aneastward
train. Thisensures
the trainwon’t
pass the station
before theorder
canbeprepared.
TamValleyDual
3-way
servocontrollers and
tinyR/Caircraft servosoperate the semaphoreblades.
Thesecontrollerseven includebladebounce!
18
20: Plywoodhengeas it appeared inDecember, 2014.
Once thebackdropgoesup, itwill bedifficult, though
not impossible, for operatorsoutside thehelix table to
see their trains.
BearCreek&South Jackson-1
MRH-Apr2014
