I am pretty sure the regulator uses a backwards thread, so watch out for that. Your tank should have a pressure gauge and it is linear. Propane holds about 250 PSI from 100% full to about 1% full and then drops rapidly to 0. CNG starts around 2000 PSI and when it gets to 1000 it is half used and 500 is 3/4s used and so on. I bought an adapter from FleaBay and fill my CNG tank at a gas station for CNG cars. I think it costs about $2 for a fill ☺ Please do be careful. CNG is a *little bit* safer than propane because it is lighter than air, so a leak will float up to your nose level instead of filling from the bilge on up. It is still a flammable gas, so leaks are still dangerous, as the crew of Deepwater Horizon found out the hard way. I turn my tank off when not in use. I use my propane rail mount grill a lot to save CNG and save heat in the cabin, so I usually fill my CNG tank once a year. That is mainly coffee and eggs in the morning, hot water for dishes, and the occasional loaf of bread or roast in the oven. Joe Coquina
From: CnC-List [mailto:[email protected]] On Behalf Of damian.greene--- via CnC-List Sent: Wednesday, June 13, 2018 4:05 AM To: Ray Macklin via CnC-List <[email protected]> Cc: [email protected] Subject: [EXTERNAL] Re: Stus-List CNG Gas Stove Instructions Ray, There is not much to this. Others may elaborate, but here's my take: Your primary concern should be to check for leaks - most likely around the regulator. Check along the length of the line first for any obvious damage or kinks. Check the flex lines. Maybe you have a separate shutoff valve inside the boat, or a solenoid-actuated shutoff - likely not with an older CNG setup. With the stove off, open the tank-top valve to pressurise the line. Use soapy water on the fittings and look for bubbles. When you first try to light the stove, it'll take a while as you have to first bleed the air from the line. Never leave the stove unattended, and shut off at the cylinder when not in use. CNG is safer than propane, but with some major downsides. The key difference between CNG and LPG is that you have compressed gas, not liquid - so a LOT LESS fuel. With CNG you have a bottle like a scuba tank, and those tanks are heavy! They are also a pain to find a place to swap out or fill. Expect to use your tank up pretty quickly. You may have a pressure gauge on your regulator - you'll see it drop pretty soon with use. Regards, Damian =========================================================== On Tuesday, June 12, 2018, 11:47:42 PM GMT+1, Ray Macklin via CnC-List <[email protected]<mailto:[email protected]>> wrote: Hello I have a 1985 C&C 33 that has a CNG gas stove I had the tank refilled but since I bought the boat I was to afraid to try it without instructions. I would hate to Go kaboom. Does anyone have instructions or a video of how to use it? Then I could eat breakfast on the boat. Hopeful Ray LakeHouse Milwaukee WI. _______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
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