The shield design. See how the heat?-We design by using circular shapes because they think the sphere seems to be the best, although it will be easy, but it's heat has good cooling as well. All so that no heat accumulation at the edges of the shield.
Design shield that will heat where? - We design by choosing the shape is a circle because that sphere, probably the best, despite the heat easily, but it has cooled well. also Moreover, in order not to heat the edge shield.
Shield design, see if you have accumulated heat anywhere? .- we design by using circular spherical shape because you think would be the best even if the heat is easy, but the heat well. Again, both to prevent the heat shield edge .