Help convert from CNG to propane... - SailNet Community
 
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post #1 of 7 Old 08-07-2011 Thread Starter
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Help convert from CNG to propane...

What do I need for this mission:

A. Im guessing propane tank and locker w/ solenoid valve and shut off switch.
B. New stove.

Anything else?

Also, the CNG tank is currently stored in the rear lazarrette. If I keep the propane locker in there, do I need to put some sort of thru hull fitting at the bottom to drain any propane leaks?

Boat is a 27 catalina ('87)
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post #2 of 7 Old 08-07-2011
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A. yes, and with some sort of drain to air at it's lowest point, make sure that drain is not underwater
B. Maybe, or you may be able to rejet. Else new. Unless the current stove is in good repair, it is likely cheaper to replace it with a propane one.

You may be able to sell the old CNG cylinder to those of us who still use CNG...
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post #3 of 7 Old 08-07-2011
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The tank locker is the deal killer as it tough to do a lazaret to spec

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post #4 of 7 Old 08-07-2011
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The lazaret has to be completely sealed from the rest of the boat.
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post #5 of 7 Old 08-07-2011
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Or you can do what some Catalina's do. They have a sealed plastic locker that fits in the lazarette or cockpit locker and is vented via a hose to a through hull above the waterline. This does meet the standards but you end up with a rather small tank.

Brian
Living aboard in Victoria Harbour
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post #6 of 7 Old 08-08-2011
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I need to update the site, but I posted a quick explanation of my Regal stove's conversion to propane this year. Please ask any questions.

I'm happy to help, but if you don't get a reply... I may have just blown up

Matt & Jessica's Sailing Page CNG to Propane Converstion for Seaward Regal (GSI) Stove

1989 Sabre 34II Targa
mjsailing.com
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post #7 of 7 Old 08-08-2011
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Some cruisers mount there tanks out on the transom, not the best looking setup but its prob. the cheapest. West marine has LP lockers in there catalog.
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