Super good questions
Here are some answers:
Who are the low-end and the
high-end target group?
A third world
village without access to fancy tools or paint, but lots of sun.
High-end are urban dwellers who are unconscious
of the amount of energy they waste using electric and gas ovens
and that they could bake in their windows or on their roofs. This
version should be very stylized, but simple. The message could
be something like, the future can be beautiful and efficient. It
could be a version that is built into a window. Like a window box
garden, but instead a solar oven.
What are their needs?
Low end needs:
cheap, useful oven. Gives them time to do other things while
the sun does the work. There is no smoke or use of wood, so it
High end: fast, efficient, easy, and pretty to look at.
Why do they want to use this?
end: Gives them time to do other things.
Previously villagers had to sit near the fire to make sure the
bread did not burn and also inhaled toxic fumes. So now they can
work elsewehre exhaust free and the bread will never burn.
High end: They want to be more
When are they going to use it?
Low end: always
High-end: always, maybe there is a portable/collapsable version
for camping or just because they like the idea of it collapsing
and they can put it away in winter when there is no sun.
How big should it be?
I think i described scenarios above that will help with this
What is the perfect form for using
the solar energy? Angels?
Parabola's seem best. Less angles more
There are some excellent designs online that we can
What surface reflects the best?
and aluminum or some sort of shiny metal
What black material transfers the
heat the best?
So far most models use black paint, but lets explore
manual for building be on the internet?
Yes, manual online, free and open source, so people
who use ours can write about their experience and make design suggestions.
Could we do without buying glue
Let's explore. Less
What size? For how many people?
small to medium. Something that can be carried on one's back.
2-4 people is fine.