General
Where can I leave my bag during the tour?
In the gun store. There will be a guide there
What do notice about the ceiling?
Heavy steel ceiling, concrete above it
What did soldiers have to do before entering the cordite room and why?
Change into special anti-static clothing including footwear to to minimise the risk of explosion
How long should spend in the pump room?
About 3 minutes
Before heading to the engine room, what do you need to do?
Alert visitors to the steps ahead and hold onto the hand rails
Name 4 things visitors need to be aware of before the tour starts.
stairs
sloping walkways
confined areas
uneven terrain
low ceilings
appropriate footwear
How are shells and cordite transferred to the gun pit?
Using a hoist
Why is there a brick wall at one end?
Keep the dampness out of the room
What is the main purpose of this room?
Power conversion from electrical energy to pneumatic (compressed air) and hydraulic (oil under pressure) energies
What was the purpose of this room?
Power supply for H battery (H1 and H2)
What are guides allowed to sell?
Bottled water. $3
What do you notice about the floor?
Rubberised antistatic floor covering. 1936
What is special about the storage racks?
Racks constructed of timber using copper nails and timber dowels.Racks constructed of timber using copper nails and timber dowels.
What is the passage leading out of the pump room?
Escape shaft to the green door
What are the footings on the floor?
Footings for diesel engines (two Ruston & Hornsby 180 HP 6VCR diesel engines)
What should you do if you see a snake and it won't move away?
Call the ranger
What are the three types of shells?
High explosive - explode on impact
Armour piercing
Drill
Why is the cordite stored in a zinc cannister?
Galvanised - to prevent rust
What is the electric motor for?
To power the air compressor
How were the engines started?
Compressed air
Why have two temperature/humidity monitors have been installed in showcases in the tunnels.
To help preserve the valuable WWII artefacts located at Oliver Hill
Why is cordite in a silk bag?
Silk combusted completely, minimising the risk of embers remaining in the breech
What were the ribs of the silk bags filled with?
Gun powder
What is the big tank on the wall?
Oil reservoir, for the collection of returning low pressure hydraulic oil from the gun
What is the picture on the back wall?
A picture of the electrical switchboard used to distribute power throughout the Battery.