Hello, everybody.
Can anyone help me understand what are the differences between PE and P/E? I cannot find any info on P/E. Is it the same thing as PE?
I am asking this because I have two identical car bumpers, one marked with PE (which I know very well) and the other with P/E and I would like...
Hello, everybody.
I am planning to build myself a 80mm refractor telescope and I want to make the tube from carbon fiber composite.
What type of lay-up should I use for the composite for maximum dimensional stability? I did't find a clear answer searching in the composite books that I own, so...