38: plumbing checklist

The engine’s plumbing is (almost) finished! This was, by far, the most head-scratching induced phase of the model.

Here’s a checklist of what’s done:

• Dry pipe
• Header
• Steam gauge supply
• Blower
• Air compressor steam supply
• Atomizer (steam)
• Hydrostatic lubricator, steam in
• Hydrostatic lubricator, oil out
• Boiler water sight glass, supply and return
• Boiler water sight glass, drain
• Left injector: water feed from tender, steam supply, and overflow
• Right injector: water feed from tender, steam supply, and overflow
• Left and right injecting water feed to boiler
• Dual try-cocks
• Air compressor exhaust
• Air compressor compressed air line to air tank
• Air compressor governor line
• Air line from tank to brake stand
• Air line from equalizing tank to brake stand
• Air line from brake stand to left and right brake cylinders
• Air line from brake stand to duplex gauge, black pointer
• Air line from brake stand to duplex gauge, red pointer
• Air tank condensate drain
• Atomizer (oil)
• Air line from brake stand to tender
• Blowdown (water)
• Blowdown (air line)
• Mechanical lubricator feed line left and right

Not completed:

• Compressed air umbilical hookup
• Try-cock funnel
• Equalizing tank condensate drain