Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 26-04-2010, 05:47   #1
Don't ask if you can't handle it
 
sailorboy1's Avatar

Cruisers Forum Supporter

Join Date: Jul 2007
Location: On the boat somewhere
Boat: Hunter 410
Posts: 12,310
Turning Off Your Stove

I was taught to turn off the propane soleniod first when turning off the stove and let it burn the propane in the line, then shut the stove knob off. But this kind of seems crazy as that amount of gas in the lines between the tank and valve is so small. Even if it did leak out of the stove burners, which shouldn't be leaking to start with, it isn't going to blow us up or anything. Just means you have the vent the lines each time to start it. I have had houses with propane stoves and you never turn off the gas to it unless working on it.

So turning off the soleniod first seems a waste of time to me. If you are going to be that paraniod you should shut the tank valve each time.

How is everyone else turning off their stoves?
__________________

__________________
sailorboy1 is offline   Reply With Quote
Old 26-04-2010, 06:08   #2
Registered User
 
Christian Van H's Avatar

Join Date: Oct 2008
Location: Princeton, NJ
Boat: Challenger Anacapa 42
Posts: 2,097
Images: 57
Quote:
Originally Posted by Don Lucas View Post
But this kind of seems crazy as that amount of gas in the lines between the tank and valve is so small. Even if it did leak out of the stove burners, which shouldn't be leaking to start with, it isn't going to blow us up or anything.
I get where you are coming from, but what if your solenoid failed in the open position? The only way to know that it's working would be to use it first...
__________________

__________________
www.anacapas.com

Here's to swimmin' with bowlegged women!
Christian Van H is offline   Reply With Quote
Old 26-04-2010, 06:16   #3
Sponsoring Vendor
 
Tellie's Avatar

Community Sponsor

Join Date: Oct 2007
Location: Hollywood, Fl.
Boat: FP Athena 38' Poerava
Posts: 3,046
I just replaced a bad valve on one of my tanks this weekend. It made me think about what you are saying. I always turn off the gas at the bottles valve, then the solenoid, then the stove. Too anal?
Tellie is offline   Reply With Quote
Old 26-04-2010, 06:31   #4
Registered User
 
bloodhunter's Avatar

Join Date: Dec 2009
Location: Baltimore MD
Boat: Morgan 45 Enchantress
Posts: 171
Images: 11
Tellie,
I'm with you except that I shut the solenoid first ( only way to tell if it's working. I know that the odds are overwhelmingly against the tank valve failing or the solenoid failing or the burner valve failing. But the fact that there are odds means that it could happen. The consequences could be so dire that taking a few extra minutes to shut overything off and then turn it on seem really a really minor price to pay
__________________


SV Enchantress
located Herrington Harbour South, Friendship MD
Sufficient unto the day is the evil thereof
bloodhunter is offline   Reply With Quote
Old 26-04-2010, 08:05   #5
Senior Cruiser

Cruisers Forum Supporter

Join Date: Dec 2006
Location: Seattle
Boat: Cal 40
Posts: 2,401
Images: 7
I turn off the solenoid after turning off the stove most of the time. Since I came across the Don Casey article a couple of years ago, I sometimes try to remember to turn off the solenoid first. Up until a few years ago I never heard of anyone turning off the solenoid first. Don Casey's reason of not allowing the propane left in the hose leak into the cabin is ridiculous IMO. Testing that a normally closed solenoid closes each time you use it is pretty paranoid, but remembering to turn off the solenoid first to do that test doesn't really cost you anything, so I guess why not.

For the guys that turn off the tank valve each time you're done with the stove, adding a solenoid just adds more connections in the pipes to fail, you'd be better off with no solenoid valve at all.

I must run with a bad crowd. Friend's boat I sailed on for 20 years has a side opening locker, no pressure gage. I know a live-aboard who never turns off his solenoid. One boat I looked at to buy had a family of four living on it and had just gotten back from Mexico, the side door on the propane locker was off, owner said it was too much trouble to put on, tanks were rusty, partly because the drain had a scoop facing forward that pulled water into the locker when the boat was moving. I looked at another boat that had come up from the Caribbean, top of the propane locker was long gone, no solenoid valve had ever been installed.

John
__________________
cal40john is offline   Reply With Quote
Old 26-04-2010, 08:36   #6
Senior Cruiser
 
skipmac's Avatar

Cruisers Forum Supporter

Join Date: Oct 2007
Location: 29 49.16 N 82 25.82 W
Boat: Pearson 422
Posts: 12,374
I also think the amount of gas in the line is not enough to worry about but Christian has a really good point. I usually turn the gas off at the burner to keep the lines charged but doing it with the solenoid does show the safety is functioning properly.

Sure the chance of the solenoid failing open is small but it could happen so why not. The hassle of waiting for the gas to reach the burner is pretty minor. I think I will change my ways.
__________________
The water is always bluer on the other side of the ocean.
skipmac is offline   Reply With Quote
Old 26-04-2010, 08:48   #7
Registered User
 
Livia's Avatar

Join Date: Jan 2008
Boat: Currently boatless
Posts: 637
Quote:
Originally Posted by Christian Van H View Post
I get where you are coming from, but what if your solenoid failed in the open position? The only way to know that it's working would be to use it first...
Good question - it's good to know why we are doing the things we do.

On Estrellita we do it for the same reason - to test the solenoid not to avoid gas from the lines bypassing a potentially failed stove. If we forget and do it via the stove, no worries.
Livia is offline   Reply With Quote
Old 26-04-2010, 09:54   #8
Registered User

Join Date: Sep 2009
Boat: Hobie 16, until I move (back) west.
Posts: 35
Would you be worried that as the propane leaves the line, it is being replaced by salty sea air that could corrode the seal of the solenoid valve?
__________________
stark is offline   Reply With Quote
Old 26-04-2010, 10:05   #9
Registered User
 
bloodhunter's Avatar

Join Date: Dec 2009
Location: Baltimore MD
Boat: Morgan 45 Enchantress
Posts: 171
Images: 11
Stark,
I'd rather replace the solenoid from time to time than risk blowing up the boat -- albeit not a very great risk but there nonetheless
__________________


SV Enchantress
located Herrington Harbour South, Friendship MD
Sufficient unto the day is the evil thereof
bloodhunter is offline   Reply With Quote
Old 26-04-2010, 10:13   #10
CF Adviser
 
Bash's Avatar

Cruisers Forum Supporter

Join Date: Dec 2008
Location: sausalito
Boat: 14 meter sloop
Posts: 7,260
This would have been a good question to deal with in the "Are Sailors Too Paranoid" thread.

When turn on the solenoid switch, I hear the relay click open. When I turn it off, I hear the relay close. What more evidence do I need?
__________________
cruising is entirely about showing up--in boat shoes.
Bash is offline   Reply With Quote
Old 26-04-2010, 10:59   #11
Sponsoring Vendor
 
Tellie's Avatar

Community Sponsor

Join Date: Oct 2007
Location: Hollywood, Fl.
Boat: FP Athena 38' Poerava
Posts: 3,046
Quote:
Originally Posted by Bash View Post
This would have been a good question to deal with in the "Are Sailors Too Paranoid" thread.

When turn on the solenoid switch, I hear the relay click open. When I turn it off, I hear the relay close. What more evidence do I need?

Just for the paranoid like myself. What you hear is a mecahnical opening and closing, does this assure a proper gas seal inside the solenoid just because you hear it click?
Tellie is offline   Reply With Quote
Old 26-04-2010, 11:11   #12
Registered User

Join Date: Jan 2010
Location: Port Ludlow Wa
Boat: Makela,Ingrid38,Idora
Posts: 1,973
I want the lines empty because even a small amout of propane in the confines of the cabin stinks. Solenoid off first, then stove, then bottles. Smell greatly reduced. The smell of propane permiates cushions, pillows ect. It also collects in cabinets. Too small a saturation for a snifer alarm but enough to detect with the nose.

Todd
__________________
IdoraKeeper is offline   Reply With Quote
Old 26-04-2010, 13:02   #13
֍֎֍֎֍֎֍֎֍֎

Cruisers Forum Supporter

Join Date: Apr 2006
Posts: 13,033
Stark-
"Would you be worried that as the propane leaves the line, it is being replaced by salty sea air that could corrode the seal of the solenoid valve? "
Very unlikely. You will never burn off all the propane in the line, you will simply burn it off until it reaches pressure equillibrium with the atmosphere, and then it will stop flowing to the burner. IF you left the burner open, as it cooled some moist air would be drawn back into the line, but not much, not far. And if there was a leak, only thermal cycling like that would suck any outside air in, or let propane out. Not much would migrate by itself.

But still...there are homes and business blown up every year by gas leaks. Even with a backyard bbq, I may trust propane but I shut the tank valve when I'm done, regardless of everything else. And after some fun with electrical devices...I'm thinking I'd rather have a "main breaker" next to the front door at HOME as well as on the boat. Stick around long enough and you learn you just can't trust anything designed as a "fuel". Somehow, it always finds a way to do what it is supposed to do. "Boom".
__________________
hellosailor is offline   Reply With Quote
Old 26-04-2010, 13:32   #14
DWT
Registered User

Join Date: Mar 2007
Posts: 207
I guess I see it a little different from others. I do not leave the burner on and then shut off the switch to drain the line. I do not see the purpose in doing that. But after the boat sits for a two or three weeks and I try and start the stove it takes a few seconds to ignite. The pressure in the line has leaked out somehow but after checking all fittings there are no leaks. It is so small I am unable to detect it. So I do not worry about it.
What I do worry about is leaving the switch on that activates the solenoid. That little sucker get real hot after awhile so after using the stove or oven the gas switch get shut off.
Heat is hard on all things mechanical so it cannot be good for the solenoid to just sit there and heat up. And that solenoid sitting on top of the propane tank getting real hot makes me nervous!
__________________
David
69Morgan30'
CarolAnn
DWT is offline   Reply With Quote
Old 26-04-2010, 13:53   #15
Registered User

Join Date: Oct 2009
Location: currently, La Paz, BCS, Mexico
Boat: Westsail 28
Posts: 53
I decided to just skip the solenoid altogether on my installation. I shut the gas off at the tank after using it. Sometimes I burn off the gas in the line, sometimes I don't. I think that we've been programmed to be WAY too paranoid about propane (along with a whole bunch of other stuff). It'd be interested to find out just how much propane is needed to create an explosive atmosphere inside a boat.

-Steve
__________________

__________________
syoder is offline   Reply With Quote
Reply

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Turning Map Terje OpenCPN 2 20-01-2010 02:47
Turning 2 of 4 Heads into Desks / Work Areas or Extra Storage Wellington Multihull Sailboats 14 07-10-2009 16:00
Turning Turtle in a Yacht s/v Beth The Sailor's Confessional 14 09-01-2009 15:44
Screw (prop) keeps turning rebel heart Engines and Propulsion Systems 15 09-12-2007 21:49
Is Mediterranean Climate Turning Caribbean ? GordMay Europe & Mediterranean 0 06-07-2005 11:50



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 13:08.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.