On Tue, 15 Oct 2019 11:29:08 -0500
Bob kb8tq <[email protected]> wrote:
> There are a lot of 3D printers out there that happily print ABS ….
I am not sure that's a good idea.
The way how filament printers work will lead to lots of
pores where humidity can accumulate. Not something you want.
Thermoforming sheets, on the other hand, gives a smooth, closed
surface. Additionaly, the tensile strength of the sheet after
thermoforming is higher than that of filament printed structures.
This means a radome can be thiner, which leads to less lensing,
which is the major source of phase center shift.
Attila Kinali
--
It is upon moral qualities that a society is ultimately founded. All
the prosperity and technological sophistication in the world is of no
use without that foundation.
-- Miss Matheson, The Diamond Age, Neal Stephenson
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