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I want to creat a capstan drive on an engine dynomometer. The drive wheel is aluminum 2.5" dia X 1" wide, running at 12,000 RPM and the driven wheel is 7.5" dia X 1" wide with bonded buna tire shore D 70. The wheels need to resist a 27# shear load at the area of contact. The question is how much...

the topic says it all, I'm looking for the saturation values of H2O in Pentane at 20 degrees C. Thanks Terry

I haven't any real idea how to do this; I'm working on a system that blows nitrogen (@25 deg. C) through copper 1.5" ID tubes at 40CFM and 10" water pressure. The question is if I extend the 1.5" pipe by 30 feet and add 10 90 degree bends what will be the CFM and pressure...

I'm looking for software and or calculations to design a 100 Lb. inch rate torsion bar spring approx. 18" long. any help will be appreciated.

I'm building a winch system with a 16" dia. drum (single wrap). The winch is required to lift a 3600# load at 20 FPM. The maximum speed of the winch is 105 FPM. My Hydraulic motor runs at 660 RPM (max)and requires a minimum of 7:1 gear ratio to achieve the specified torque. I was going...

I need an adhesive to glue 6/6 nylon to itself. Temperature is -40F to 130F. Any suggestions?

I have a project that requires a 10hp hydraulic motor to drive a 16" diameter drum thru a 7:1 gear ratio. The drum winds a 1/4" dia. cable with a 3000# load at it's 8" radius, at 5 RPM (the motor is running at 35 RPM). I'd like to use a 12 tooth spur gear mated to a 84 tooth...

I need a coating for 7075-t6 aluminum that can be applied at a temperature that won't degrade the properties of the aluminum. The coating must; 1. Have a low (<.2 static coefficient of friction against UHMW. 2. be abrasion resistant. 3. be corrosion resistant. What time/temp. does 7075-t6...