Hello Everyone,
I am looking for a plastic material that I can make a shim and cylinder out of- it needs to be strong enough to support screw threads through its sidewalls, but have low enough friction to be able to effectively slide up and down. Low wear is also a necessity. Does anyone have...
Is there any formula with which I can determine the cfm needed to eliminate the negative pressure inside a room, if I know the volume and negative pressure? We have fans blowing in and out, we need more blowing in, but without knowing the capacity of each fan, it is quite difficult for me to...
I would like suggestions as to what material I could use to make new knife blade bars. Currently, one of the bars is partially hollow and the other is solid. I need both to be hollow, with minimum wall thickness- the lightest we can get it and still have it as strong, the better. Was thinking of...
