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Cooking outdoors with wood efficiently


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Rather than using bottled gas hob in kitchen thinking of making an outdoor stove to cook soups/stews etc on (grow alot of veg so i make alot of soups etc)

 

Don't like open fires as smoke is unhealthy, & its very unefficent cooking method

 

 

Looking for a proven & easy design to copy out of firebricks etc. Alot on the net about rockets stoves but step by step construction info is sketchy.

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Rather than using bottled gas hob in kitchen thinking of making an outdoor stove to cook soups/stews etc on (grow alot of veg so i make alot of soups etc)

 

Don't like open fires as smoke is unhealthy, & its very unefficent cooking method

 

 

Looking for a proven & easy design to copy out of firebricks etc. Alot on the net about rockets stoves but step by step construction info is sketchy.

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This one is my favourite and very easy to make:

You'll need:

 

An empty metal 25 liter bucket/drum, preferably with lid.

A length of flexi flue-pipe, about 8" longer than the height of above drum. (offcut from plumber/ stove installer, just ask) You could also use an amount of tins joined together.

An empty food tin or summat like that.

Perlite (sp) the white volcanic ash stuff what people mix in compost, cheap from a builders merchant.

Tin snips (ask an adult if you're allowed to use them)

 

 

Make a hole in the side of the drum, the size and shape of the flexi pipe. The edge of the hole should be about 2" off the bottom of the drum.

 

Put the flexi through the hole, and make a 90 bend inside so it goes straight in the side, straight out the top, make it stick out about 5". A snug fit in the hole helps.

 

Fill the void with the perlite stuff. Give it all a good wiggle and shake as you fill it, so the perlite fills under the pipe and leaves no gaps. This is when you realise why a snug fit was good.

 

Use the empty tin to make a shelf in the horizontal, sticking out section. kind of shape so it will sit in the horizontal section dividing it into two. Imagine a square that fits into the pipe, the shelf wants to be about as big as one of it's sides.

 

If you have a lid, stick it on (with a hole for the flue..) and you're all done.

 

You can make it even better by making it taller, but only around the sides so that there is only about a 1" to 1.5" between the thus formed "collar" and the pan. This improves the heat transfer to the pan by quite a bit.

 

 

The perlite is a great insulator that will be happy at the extreme tempertures generated. It helps to maintain exceptionally high temps for efficient combustion. The shelf allows you to feed in wood without obstructing the airflow into the fire. This way the fire sucks in the air through the system.

 

Root Simple: A Rocket Stove Made From a Five Gallon Metal Bucket Has pics and instructions.

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This one is my favourite and very easy to make:

You'll need:

 

An empty metal 25 liter bucket/drum, preferably with lid.

A length of flexi flue-pipe, about 8" longer than the height of above drum. (offcut from plumber/ stove installer, just ask) You could also use an amount of tins joined together.

An empty food tin or summat like that.

Perlite (sp) the white volcanic ash stuff what people mix in compost, cheap from a builders merchant.

Tin snips (ask an adult if you're allowed to use them)

 

 

Make a hole in the side of the drum, the size and shape of the flexi pipe. The edge of the hole should be about 2" off the bottom of the drum.

 

Put the flexi through the hole, and make a 90 bend inside so it goes straight in the side, straight out the top, make it stick out about 5". A snug fit in the hole helps.

 

Fill the void with the perlite stuff. Give it all a good wiggle and shake as you fill it, so the perlite fills under the pipe and leaves no gaps. This is when you realise why a snug fit was good.

 

Use the empty tin to make a shelf in the horizontal, sticking out section. kind of shape so it will sit in the horizontal section dividing it into two. Imagine a square that fits into the pipe, the shelf wants to be about as big as one of it's sides.

 

If you have a lid, stick it on (with a hole for the flue..) and you're all done.

 

You can make it even better by making it taller, but only around the sides so that there is only about a 1" to 1.5" between the thus formed "collar" and the pan. This improves the heat transfer to the pan by quite a bit.

 

 

The perlite is a great insulator that will be happy at the extreme tempertures generated. It helps to maintain exceptionally high temps for efficient combustion. The shelf allows you to feed in wood without obstructing the airflow into the fire. This way the fire sucks in the air through the system.

 

Root Simple: A Rocket Stove Made From a Five Gallon Metal Bucket Has pics and instructions.

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