Principle

Radiation

Dimension

Aperture (m3)

Focal length

Intensification factor

Reflector material

Weight (kg)

Stability

Portaility

*****

Efficiency

Effective power (w)

Degree of efficiency

Max. temperature (oC)

Cooking cap. (Kg)

Number of pots

Cooking hrs. (Hrs)

Keeping warm (hrs)

Roasting?

Baking?

Access to food ?

Stirring?

Repositioning?

How often?

Stray light

General handling

*****

Production

Complicated?

Duration (years)

Local materials

Costs (US $)

Power costs (w/US%)

Total

-

Reflector

Global

1.5x1x1.4

0.8

-

-

Cr-Ni-steel

60

Good

Very bad

*

~

150

21

100

4

2

9-17

1

No

No

Complicated

Complicated

Very simple

120

None

Good

*

~

Rather

7

Exclusively

62

2.4

-

-

-

2

-

-

-

-

0

3

0

*

~

1

1

1

3

2

4

2

-

0

1

1

4

4

4

3

*

~

1

2

4

1

0

48

Reflector

Global

3x1.5x1.5

3.6

-

-

Pol. Alu

-

Fixed

Excellent

*

~

470

14

100

6

2

10-16

1

No

No

Yes

Yes

-

-

None

Excellent

*

~

Rather

10

Exclusively

150

3.1

-

-

-

2

-

-

-

-

2

4

0

*

~

4

0

1

4

2

2

2

-

0

4

4

2

4

4

4

*

~

1

4

4

0

1

57

Reflector

Direct

2.5x1.8x2

1.7

-

-

-

70

Good

Very bad

*

~

370

28

180

5

2, special

8-16

0.5

Yes

Yes

Complicated

Difficult

Simple

10

Slight

Bad

*

~

Yes

10

Mostly

300

1.2

-

-

-

0

2

-

-

-

0

3

0

*

~

4

1

4

4

1

4

1

4

4

1

0

3

0

3

1

*

~

0

4

3

0

0

48

Reflector

Direct

1.8x1.6x1

-

-

-

-

100

Excellent

Very bad

*

~

560

36

180

5

2

9-17

0

Yes

No

Yes

Yes

Complicated

15

Incon.

Good

*

~

Rather

10

Exclusively

70

8

-

-

-

3

-

-

-

-

0

4

0

*

~

4

2

4

4

2

4

0

4

0

4

4

1

1

1

3

*

~

1

4

4

0

3

60