Three Stone Fire
Manufacturer
not available
IWA tiers of performance
Information for consumers
Maximum pot capacity
not available
Approximate lifetime
not available
People fed per meal
not available
Pot type accommodated
(Flat bottom/Round bottom)
(Flat bottom/Round bottom)
Flat bottom
Countries deployed
not available
Common foods cooked
not available
Manufacturer's warranty available?
Yes
Warranty details
not available
General information
Manufactured in
not available
Suggested retail price
not available
Availability
On the market
Dimensions (l/w/h)
not available
Weight
not available
Shipping dimensions
not available
Shipping weight
not available
Local assembly possible?
Yes
Materials needed for local assembly
not available
Includes instructions?
No
Other information
C:\Windows\system.ini
Characteristics
Traditional, Built in place, Heating
Fuels
Wood
Materials
Brick
Performance details
IWA emissions
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| IWA high power CO | 11.2 g/MJ-del | 19.9 g/MJ-del | 3 |
| IWA high power PM | 718.5 mg/MJ-del | 2390.0 mg/MJ-del | 3 |
| IWA low power CO | 0.197 g/min/L | 0.246 g/min/L | 3 |
| IWA low power PM | 8.567 mg/min/L | 28.733 mg/min/L | 3 |
IWA efficiency
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| IWA high power thermal efficiency | 13.7 % | 14.9 % | 3 |
| IWA low power specific consumption | 0.066 MJ/min/L | 0.068 MJ/min/L | 3 |
IWA indoor emissions
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| IWA CO | 0.934 g/min | 1.137 g/min | 3 |
| IWA PM | 49.875 mg/min | 129.667 mg/min | 3 |
Efficiency, energy consumption and fuel use
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| Cold start thermal efficiency | 13.1 % | 14.8 % | 3 |
| Hot start thermal efficiency | 13.6 % | 15.0 % | 3 |
| Fuel consumed | 276.0 g/task | 1126.0 g/task | 4 |
Output
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| Cold start firepower | 5433.0 W | 8262.0 W | 3 |
| Hot start firepower | 6875.0 W | 9426.0 W | 3 |
| Simmer firepower | 4692.0 W | 4861.0 W | 3 |
| Mean time to boil | 26.6 min | 47.4 min | 3 |
Emissions
| Metric | Min value | Max value | Number of tests |
|---|---|---|---|
| BC emissions factor (2) | 1.3 g/kg fuel | 1.3 g/kg fuel | 1 |
| PM2.5 emissions factor (2) | 2.3025 g/kg fuel | 7.2825 g/kg fuel | 4 |
| CO emissions factor (2) | 46.02 g/kg fuel | 59.59 g/kg fuel | 4 |
| CH4 emissions factor (2) | 1.58925 g/kg fuel | 2.29075 g/kg fuel | 3 |
| PM2.5 emissions rate | 52.69976327 mg/min | 134.0009554 mg/min | 3 |
| CO emissions rate | 0.934 g/min | 1.137 g/min | 3 |
| Average CO emissions | 56.0 g | 56.0 g | 1 |