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  1. #1
    Join Date
    Oct 2009
    Location
    Out there again and no longer dreaming
    Posts
    914

    Default Butane Blue or Propane Red gas

    Has anyone ever changed from one to the other and if so why ? I am aware of course that Camping Gas is horrendously expensive compared to 7kg blue butane gas.

  2. #2
    Join Date
    Apr 2018
    Location
    Boat on Mooring off Faro, Home near Abergele
    Posts
    2,006

    Default Re: Butane Blue or Propane Red gas

    Used propane in UK to avoid freezing but use Campingaz elsewhere as easy to obtain, can't be bothered finding places to refill UK bottles.

  3. #3
    Join Date
    Dec 2007
    Location
    Near Burton-on-Trent
    Posts
    1,996

    Default Re: Butane Blue or Propane Red gas

    Red gas best.. If your lockers only take Gaz 907s people here will tell you how you should never, ever, refill them at £4 a pop.

  4. #4
    Join Date
    Jun 2009
    Posts
    12,611

    Default Re: Butane Blue or Propane Red gas

    We swapped the regulator on our previous boat to convert to propane and it was a great improvement for the winter. We intend to do the same on the new boat, but it is more complicated because of the layout of the gas locker and we will need to get the local fitter to do it.

  5. #5
    Join Date
    May 2009
    Location
    Me in Fleet, the boat at Universal Marina, River Hamble.
    Posts
    625

    Default Re: Butane Blue or Propane Red gas

    The "gas" in the cylinder is actually mainly a liquid, with only the top part of the cylinder containing gas. As this gas is withdrawn, some of the liquid boils off, to replace it. The boiling point of butane is around 0°C, and therefore at ambient temperatures below this, the liquid will stop boiling off, and you stop getting any gas to your stove. Propane has a boiling point of around -42°C, and so the liquid continues to boil off, even in very cold conditions. As a result of this, propane is recommended for winter use. However, as butane is more energy dense, it is preferred when ambient temperatures allow.

    As you've spotted, Camping Gaz (butane) is outrageously expensive. If you are based in the UK, and can fit calor gas cylinders in your gas locker, they are far cheaper to get refills, and gives you a choice between propane and butane. To switch from one to the other, you probably just need a new regulator, assuming you use a reg which screws directly onto the cylinder valve. Your boat cooker should operate fine on either gas.
    Andy B.
    Sadler 290 "Mr Blue Sky"

  6. #6
    Join Date
    Jul 2002
    Location
    Home: Kent. Boat: Chichester
    Posts
    43,825

    Default Re: Butane Blue or Propane Red gas

    Quote Originally Posted by Caladh View Post
    Has anyone ever changed from one to the other and if so why ? I am aware of course that Camping Gas is horrendously expensive compared to 7kg blue butane gas.
    Camping Gaz if you are likely to be places where Calor cylinders are unlikely to be available or refillable

    Butane or Propane in the UK , where Calor cylinders are readily available. Propane rather than butane if you want to be able to use the gas at near or below 0C

    Butane/ Camping Gaz vs Propane may depend, however, on what your cooker can use

    Best solution may be a 30 mb dual fuel ( ie propane or butane) bulkhead mounted marine regulator with a pigtail hose terminating with an M20 fitting and adapters that will allow connection of this to to Camping Gaz, Calor butane or Calor propane cylinders as required. Assuming your cooker is suitable of course

    See W Haywards website https://www.whayward.shop/

    Also Hamilton gas products: https://gasproducts.co.uk/ and Southampton Calor Centre: https://www.socal.co.uk/

  7. #7
    Join Date
    Jun 2013
    Location
    Hopefully somewhere warm
    Posts
    9,826

    Default Re: Butane Blue or Propane Red gas

    Whatever is available locally goes in the homebase propane bottles. Propane usually so far. Still on a propane regulator at 37mB but the yet to be fitted annex M dual propane/butane regulator boiled a kettle 15 seconds slower than the propane one so that will get fitted one day then it doesn't matter. A lot of countries it will be a mix of unknown ratio anyway.

  8. #8
    Join Date
    Feb 2007
    Location
    Essex
    Posts
    23,281

    Default Re: Butane Blue or Propane Red gas

    A lot depends on how much you use. With liberal use of shore power and hot water from the calorifier our gas use is much less than in the days when we had to rely on gas. Consequently, the convenience and availability of Camping Gas means that the extra cost is not very significant.
    Far away is near at hand in images of elsewhere

  9. #9
    Join Date
    Apr 2007
    Location
    West Coast
    Posts
    2,545

    Default Re: Butane Blue or Propane Red gas

    I ditched the Gaz butane bottles about 15years ago for the red 3.9kg propane Calor bottles. Other than the regulator, no other changes were required for our ENO stove. Jeanneau have an awkwardly shaped twin Gaz bottle holder in fibreglass on a shelf. I ripped it out and replaced it with a made to measure ply and fibreglass box with a much better use of space, gained half a shelf.

    I subscribed to simplicity and avoided the ‘marine’ regulators going for a hand tightening one so no spanner needed. Also, I’ve never noticed it boiling a kettle slower. We connected a new bottle at the start of a three week cruise in July and it is still not finished.

    And the best bit, even full price is around £12 I think.
    Chris
    Out west.... (or in the office)

  10. #10
    Join Date
    May 2008
    Location
    Scotland
    Posts
    2,144

    Default Re: Butane Blue or Propane Red gas

    Quote Originally Posted by ctva View Post
    I ditched the Gaz butane bottles about 15years ago for the red 3.9kg propane Calor bottles. Other than the regulator, no other changes were required for our ENO stove. Jeanneau have an awkwardly shaped twin Gaz bottle holder in fibreglass on a shelf. I ripped it out and replaced it with a made to measure ply and fibreglass box with a much better use of space, gained half a shelf.

    I subscribed to simplicity and avoided the ‘marine’ regulators going for a hand tightening one so no spanner needed. Also, I’ve never noticed it boiling a kettle slower. We connected a new bottle at the start of a three week cruise in July and it is still not finished.

    And the best bit, even full price is around £12 I think.
    We ditched Camping Gaz 907s about 8 years ago and moved to 4Kg Calor Butane. Then to the 3.9Kg Calor Propane bottles. There is a new propane regulator, but the cooker jets size / performance is unchanged. I had problems with butane not working over winter (Scottish winter...)
    Propane works reliably.

    And about 1/4 of the price- easy to come- by Ireland included!

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