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Build Lytefire 4 in your backyard to serve delicious food to your family and friends

A big solar stove to cook for 20 people

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Lytefire 4 Community Cooker - DIY Construction Plans - Slide 1
Lytefire 4 Community Cooker - DIY Construction Plans - Slide 2
Lytefire 4 Community Cooker - DIY Construction Plans - Slide 3
Lytefire 4 Community Cooker - DIY Construction Plans - Slide 4
Lytefire 4 Community Cooker - DIY Construction Plans - Slide 5
Lytefire 4 Community Cooker - DIY Construction Plans - Slide 6
Lytefire 4 Community Cooker - DIY Construction Plans - Slide 7

Get the DIY Lytefire 4 Community Solar Cooker package for 79€ (instead of 99€):

Package’s content:
  • 1 Construction Manual with the detailed plans and individual parts fabrication drawings (77 pages, available in English or in French)
  • Tutorial Video: Installing the Mirrors (in English, with French subtitles)
  • Tutorial Video: Building the Upward Reflector (in English, with French subtitles)
  • Instructions on set up are included in the guide
  • Your access to Lytefire Hub (with a dedicated builders forum where you can post, learn and get tips in English and in French)

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79 €
Regular price: 99 €
You save: 20 € (20%). Prices excl. VAT.

Construction Manual with the construction plans and individual parts fabrication drawings
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Get the materials list

What can you do with Lytefire 4?

  • Make pancakes, bacon and hash browns for 20 people
  • Cook for 20 people and fry 25 eggs in 5 minutes
  • Make crêpes, jams, jellies and marmalade
  • Make big quantities of tomatoes sauce after harvest season
  • Cook a big stir fry or an nice pan pizza
  • Pan roast delicious nuts like almonds, hazelnuts or cashews for your granola
  • Roast raw coffee beans
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Examples of Lytefire 4 in use.

Technical Specifications:

  • Uses only direct concentrated sun ray, no fuel costs
  • Produces 2000 Watts of thermal energy
  • Reaches up to 350°C / 662°F
  • No automated tracking: you need to slightly turn the Lytefire 4 every 10 mins to follow the sun
  • Width: 2m, length: 3m, height: 2m
  • Contains 4 square meters of mirror
  • Requires a sunny flat space of at least 4.5 m of diameter in which to operate with no shade
  • Easy to clean: only water and soap to clean the mirrors
  • If properly built and painted, the Lytefire 4 will last about 16 years
  • The materials are plain steel, bolts, mirrors and can be found almost everywhere. The price can vary from one retailer to the other so take your time to compare.
  • With optimal conditions, it takes 3 days to build your Lytefire 4. Otherwise, count 1-2 weeks.

Security:

  • As for any stove or fire, you do not leave the device unattended.
  • When you are done building, we recommend you perform the burning stick test to your family so everybody can actually see the actual power of your solar concentrator
  • Wearing sunglasses while cooking is recommended
  • After usage, always turn down all mirrors to completely turn off the concentration.
  • Disclaimer: Lytefire is powerful. The use of our construction plans and the solar cooking is at your own risk. Please follow carefully the safety instructions that are listed on our Terms. Thank you.

More questions? Check our FAQ.

Lytefire in a sunny Swiss garden

Cooking:

  • Cooking happens exactly as on any stove and you watch the pot :)
  • Food taste the same with solar cooking
  • Dark pots are recommended. No fat is leaking down to the reflector.
  • On the side of the stove top, a lever allows you to change the inclination of all the mirrors at once to increase or decrease the heat.

Weather:

  • You need a clear blue sky for the Lytefire to work. If can be a fresh spring day, a hot summer morning or a sunny winter afternoon.
  • The mirrors array should be dismantled and/or stored indoor in case of heavy storm / hail storm. For more about the weather, see FAQ.
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Preparing for pan pizza!

Check out how Lytefire 4 works in Finland!

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Testimonials

Your design is easy to understand and straight-forward to build. We achieved the advertised temperatures in the first try with none of the complications experienced by other students that used a different solar concentrator design.

Bilal Gondal, Engineering Undergraduate, Pakistan

We made popcorn as a snack this morning, (look how hot the cooker got at 9am). Then this afternoon the students used it to make a stir-fry using ingredients from the garden (collard greens, garlic, onions, eggplants, and herbs).

Shawn Connell, Staff at GrowNYC, USA

These tools are quick to build and effective for the job. As indicated by the Lytfire team it really did take us 2 hours to calibrate the mirrors but then our surprise was great once the water started boiling and the veggies and burgers started to sizzle in the pan!

Kurt Baumann, Building Teacher, Switzerland

I’m especially excited about this technology because it can be built locally, so it will not be limited by the harsh import duties imposed on us

Moutasem Hassan, builder and entrepreneur, Palestine

"Instead of buying charcoal, we use the sun", great to see such a simple solution with so many applications - including commercial food production - in so many places (many in Africa, but also the video features Switzerland and Finland).

J. Turner

Want to cook pizza and bread?

Get the Lytefire 5 Oven Plans and build yours! Or purchase yours from one of our local manufacturers! Or purchase yours from one of our local manufacturers!

A Lytefire 4 and a Lytefire 5 with it’s oven next to it.

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