I'm looking for fasteners for an aluminum flat bar frame that needs to be able to open and stay open. to visualize the situation, think scissor lift or convertible car roof structure. the fasteners must maintain a fairly constant clamping force, enough to support about 10 ft-lbs of torque, even...
I am looking into the damage potential for refinery/chemical pumps and motors that have been:
1) submerged in fresh water for more than a few days
and
2) submerged in salt water(or a salt/fresh mixture) for more than a few days.
Would every pump and/or motor be ruined? Or could some be...
as a chemical eng, the only thing i know about soil is not to spill any toxic chemicals on it. i was hoping for some cross discipline help on my latest project.
I am putting in a gravity french drain around my house to dry out my crawl space (6"-1' of standing water during big rains). they are...