Exhaust Systems

Whitby delivered most of the boats with a standpipe exhaust system but most boats have since replaced these with a waterlift muffler. Here's a piping arrangement for the Atomic 4 with the waterlift muffler in the port sail locker.

(Full-size pdf also available.)

Note: Since drawing this, I've made a mixing pipe using a Groco hose barb (1-1/4" thread to 1-1/2" hose). I drilled an angled hole which I tapped for a 3/8" pipe nipple. This avoided brazing.

Also, I put everything together with pipe dope to avoid leaks.

South: The Endurance Expedition Shackleton's near-fatal journey to the Antarctic has received a lot of press in recent years. This is Shackleton's own account—quiet, understated, and riveting. It also describes the travails of the Aurora expedition, intended to lay the groundwork for Shackleton on the other side of the continent. (Note: commissions earned from this link help defray the costs of this website)

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