Camping gas

[rib]

Ooops meant kg ..can you empty the doner bottle ,or is there some waste ?

 

[sailaboutvic]

Ooops meant kg ..can you empty the doner bottle ,or is there some waste ?

The first time I did it there was a small amount left so I just use that before the other bottles as we was staying put for a couple of weeks .
But this time I could only get a larger bottle too much for what I needed so yes I had to return it with some left inside but I filled three 907 bottles for less then the price of exchanging one.
I need a four bottles really .

What it's been six year since we first met ?
I think it was the year of the first Med Cane, time just fly .

 

[wingcommander]

Their will always be some left in the donner bottle. You can assist by warming the donner and chilling the receiver. Keep a good eye on the receiver weight as its important not to exceed the maximum to leave for expansion ..otherwise you could be making a bomb !!!

 

[Roberto]

Keep a good eye on the receiver weight as its important not to exceed the maximum to leave for expansion ..otherwise you could be making a bomb !!!

Or, put the receiving 907 in a bucket of water: it will initially float, when it arrives at neutral buoyancy it will be filled with the correct amount of gas.

 

[doug748]

Or, put the receiving 907 in a bucket of water: it will initially float, when it arrives at neutral buoyancy it will be filled with the correct amount of gas.

Excellent tip. I am thinking of going down this route, once a figure out what kit is needed. Can anyone help with details, for dummies, of what they use?

 

[sailaboutvic]

Excellent tip. I am thinking of going down this route, once a figure out what kit is needed. Can anyone help with details, for dummies, of what they use?

This is what I put together .

 

[rib]

The first time I did it there was a small amount left so I just use that before the other bottles as we was staying put for a couple of weeks .
But this time I could only get a larger bottle too much for what I needed so yes I had to return it with some left inside but I filled three 907 bottles for less then the price of exchanging one.
I need a four bottles really .

What it's been six year since we first met ?
I think it was the year of the first Med Cane, time just fly .

Yes it certainly does.. I'm still stuck for my fourth year in that horrible, disgusting, country Turkey lol lol. I will be moving on next year I think ?. Saving like mad to flyback to UK for Xmas.. I hear the beer has gone up ???

 

[Roberto]

Excellent tip. I am thinking of going down this route, once a figure out what kit is needed. Can anyone help with details, for dummies, of what they use?

This is (one of) my systems, in the picture it is mounted ready for CG to CG bottles, just remove one of the two CG adapters and there will be a reverse thread female nut which can be screwed to regular 10-12-13kg bottles.
The CG adapters are basically open taps with no pressure regulators, used for soldering, blow torches, garden leaves burner, etc; they have a reverse thread on the other side.
The hose is made by two pieces as the hoses I can find here have a reverse thread nut on one end, a regular (20/15 ?) thread on the other end, that's why one has to take two of them + central 20/15 connector to have a complete hose with two inverted threads at the ends.
Put the donor upside down, connect hose keeping the output tap closed, open bottle tap, slightly open the hose end tap to purge the air inside until a squirt of gas comes out, screw the CG adapter to the CG bottle, open the hose end tap again to begin filling.
I was forced to use the system while cruising outside CG exchange stations areas, I eventually kept on using it.

 

[doug748]

The only gas I deal with is Camping Gas on the boat so I have no clue. Maybe this is the sort of ready made thing that could work for someone who had no idea:

Campingaz 901 904 & 907 Gas Bottle Filler Adaptor and 21mm Clip On Adapter Set to Fill Gas Cylinders

If so, which donor bottles take the 21mm clip on gas fitting?

 

[wingcommander]

1 meter REFILL Campingaz CAMPING BOTTLE 901,904,907 FROM butane GAS CYLINDER | eBay

This is the one I bought .
It connects a 4.5 kg Buta5 to a 907 camping gas.
Used it several times now so paid for itself

 

[Steve_N]

Propane in a Camping Gaz butane bottle is a step too far for me (a long-time DIY bottle refiller).
Propane (Calor, Stako, Gaslow, Gas-It) bottles are stamped as tested to 30 Bar.
UK Camping Gas butane cylinders are stamped on the skirt as tested to either 12 or 15 Bar.
Propane bottle pressure can rise above 12 Bar at 32 degrees C and above 15 Bar at just under 40 degrees C.
The non-captive flat rubber washer seal between the cylinder and adaptor would also seem to be weaker than the brass-to-brass or captive neoprene washer seal between propane cylinders and their adapter/regulator/pigtail.

 

[andsarkit]

If so, which donor bottles take the 21mm clip on gas fitting?

View attachment 145234

Calor 15kg butane. I recently got a refill for about £50 compared to the local garage that wanted £55 for a 2.7kg Campingaz.
The 15kg cylinders were used in the terrible portable gas heaters that were in common use a few years ago. You should be able to pick up an empty one quite easily. Calor 15kg cylinder

 

[ProDave]

Ooops meant kg ..can you empty the doner bottle ,or is there some waste ?

There is no "waste" as in none (or very little) should escape.

But you will never empty the donor bottle completely.

It helps here that we have 45Kg bottles at home for cooking, so I use these to fill the small bottles. Not only is the gas cheapest when bought 45Kg at a time, any "waste" left behind in the donor bottle gets used by the hob in the house.

 

[sailaboutvic]

Propane in a Camping Gaz butane bottle is a step too far for me (a long-time DIY bottle refiller).
Propane (Calor, Stako, Gaslow, Gas-It) bottles are stamped as tested to 30 Bar.
UK Camping Gas butane cylinders are stamped on the skirt as tested to either 12 or 15 Bar.
Propane bottle pressure can rise above 12 Bar at 32 degrees C and above 15 Bar at just under 40 degrees C.
The non-captive flat rubber washer seal between the cylinder and adaptor would also seem to be weaker than the brass-to-brass or captive neoprene washer seal between propane cylinders and their adapter/regulator/pigtail.

Unless you over filled A bottle I not sure why there be a problem ,
A full camping gas bottle come in at 6.55 kg that's leaving room for expansion so if you fill it to say 6.2 kg there plenty of room ,
I just filled my up the other day to 6.4 kg .
Temp around 20c in the sun much less in my gas locker .
A bottle stamp tested 30Mbar don't really mean much , just mean it's been tested with said pressure,
Nothing to say the same bottle won't hold 60Mbar or more

 

[[3889]]

Unless you over filled A bottle I not sure why there be a problem ,
A full camping gas bottle come in at 6.55 kg that's leaving room for expansion so if you fill it to say 6.2 kg there plenty of room ,
I just filled my up the other day to 6.4 kg .
Temp around 20c in the sun much less in my gas locker .
A bottle stamp tested 30Mbar don't really mean much , just mean it's been tested with said pressure,
Nothing to say the same bottle won't hold 60Mbar or more

It's not just about expansion. Insufficient vapour space can lead to liquified gas being entrained into the flow when an appliance is used. This emerges as a rather impressive / frightening jet of flame.

 

[NickRobinson]

I note it would be cheaper to buy gas in aerosol cans (eg for filling cigarette lighters, heated rollers etc.) than Camping Gaz

 

[AngusMcDoon]

I note it would be cheaper to buy gas in aerosol cans (eg for filling cigarette lighters, heated rollers etc.) than Camping Gaz

It's been significantly cheaper to buy gas in the 220g canisters as used in the flat camping stoves for years if you buy the canisters in boxes on ebay. For the same amount of gas in a Camping Gaz 907 (2.72 kg) costs £16.25 in these disposable canisters...

BUTANE GAS BOTTLES CANISTERS FOR PORTABLE STOVES COOKERS GRILL HEATERS | eBay

They even post them to you for free.

That comparison really demonstrates the ridiculousness of Camping Gaz prices.

 

[LONG_KEELER]

It's been significantly cheaper to buy gas in the 220g canisters as used in the flat camping stoves for years if you buy the canisters in boxes on ebay. For the same amount of gas in a Camping Gaz 907 (2.72 kg) costs £16.25 in these disposable canisters...

BUTANE GAS BOTTLES CANISTERS FOR PORTABLE STOVES COOKERS GRILL HEATERS | eBay

They even post them to you for free.

That comparison really demonstrates the ridiculousness of Camping Gaz prices.

As I only have myself to please I took the gas system out of my boat two seasons ago. As mentioned, I use the flat stand alone stoves.

I got two packs of these lately.
B&M
Outdoor Adventure 4pack Butane Gas Cartridges - £5 @ B&M Hull | hotukdeals

 

[lustyd]

Are we being ripped off ?

Yes, obviously. Why would you participate in such clear robbery, thereby encouraging it?

 

[lustyd]

It's been significantly cheaper to buy gas in the 220g canisters as used in the flat camping stoves for years

What we need is some enterprising person to make a regulator that uses several of these in parallel to supply a normal boat system. In theory just a bit of pipework and it would easily fit into a gas locker.