Single-acting reciprocating compressors are commonly air-cooled, have one or two stages and available to 150 hp. However, in most industrial applications, the maximum size is generally 30 hp. A measure of operating efficiency is called specific power and is the kW input to produce 100 cfm, or kW/100 cfm. Compressors use a pressure switch to stop the motor when tank pressure … [Read more...]
Simple guide to submersible sump pumps
Your local Basement Systems dealer will be able to recommend the best sump pump for your needs As the water rises, so does the pressure which sets off the probes and switches on the pump. Solids Handling NONE Size (suction) 2 Size (discharge) 2 Capacity (GPM) 180 Maximum Pressure 34 psi Engine Yanmar L48V Horsepower 4. Slurry pumps for pumping slurry and fluids with higly … [Read more...]
A guide to tandem bike trailers
Adult and two children cycling using two-wheeled tandem trailer bike (a Pashley U+2) A trailer bike is attached to a bicycle at either the seatpost or on a special rear rack by a linkage that allows for pivoting. I didn't find it in any publicly available literature, but Agran sent me some AAP guidance acknowledging that trailers shouldn't be used on the roadway because they … [Read more...]