Safe seperation distance between propane vent and exhaust

JonnyBoats · Post by **JonnyBoats** » Tue Jun 05, 2007 3:30 pm

When the vent line for the bottom of the propane locker exists the hull near the exhaust outlet, is there a safety concern? Are there any safety standards or recommended best practices for seperation distances?

Ceasar Choppy · Post by **Ceasar Choppy** » Tue Jun 05, 2007 3:54 pm

I think ABYC recommends a minimum distance of 12 inches.

Quetzalsailor · Post by **Quetzalsailor** » Mon Jun 18, 2007 9:01 am

If the water and exhaust is hot enough to ignite anything, and the escaping propane dense enough to be flammable, you have a couple more serious problems than proximity!

I wonder what ABYC is thinking of, or what freak accident they're reducing the chance of recurrance of?

Where'd you put your bottle and how did you make the container? While we're not yet tempted to change out or update our original LeComte-made monel pressurised alcohol stove, it may happen one day.

Post by **Tim** » Mon Jun 18, 2007 10:31 am

I think the idea of this particular standard is to reduce any chance that escaping LPG vapors could re-enter the boat through any other opening before disappating.

JonnyBoats · Post by **JonnyBoats** » Mon Jun 18, 2007 11:32 pm

Where'd you put your bottle and how did you make the container?

Propane was already in the boat when I bought it.

The propane is stored in the lazarette locker. There is a box with an open top under the lazarette hatch, sealed on the top against the underside of the fiberglass deck. At the bottom of the box a hose runs down to a thruhull on the centerline of the boat. Where the thrunull exits the hull is in the counter under the stern and above the waterline.

The engine exhaust exits the hull aft and outboard on the port side of where the propane vent is located. It is also in the counter and higher above the water than the propane vent.

I cna post a photo if you like.