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Originally Posted by freebeard
Your choice of materials and methods will determine how achievable a given shape
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At the moment I want to stick with aluminum sheet. Strong, rigid, lightweight, laser cut, easy to weld, drill, etc.
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How tall are you? That would be a good starting point.
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I'm 5' 9'', but in with any shape there is enough space. (1900mm = 6'3'')
The challenge is to have space for extra bed to still be able to sleep 4 peoples (2 kids, 2 adults).
Let start with only 1 dimensions.
I create 4 shapes as you can see below. In my mind with limited knowledge about aero, the shape 1 is the best and give a lot of room in front.
But if I understand advice correctly, the shape 2 is the most aerodynamic.
What about shape 3. Perfect teardrop, no? The 45° almost match the windshield angle. Good, no?
And shape 4 is there to know if the big giant radius on top is important or if a flat can be ok.
