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highest reving automobile engine 2010-12-27
I'm trying to develope a new head design that wont have any rpm limit. I would like to use an existing long block to lower costs but I'm not sure which would be best.
dished vs. flat top piston. 2010-12-27
Most OEM Gasoline engines use a dished piston. I'm assuming that there is an advantage in reduced ignition advance timing requirements and/or reduced emmissions. I've asked a number of custom piston m
Diesel generator troubleshooting again 2010-12-24
I'm working with an NGO in Guinea. There is an SDMO J30 (30KVa 1500 rpm, John Deere Engine with a Makalte Alt.) unit at an office up country.
Calculating Flow into Vertical Pipe 2010-12-24
I am currently trying to solve the problem of flow into a 8" vertical pipe draining approx 10 Ha, connected to a horizontal drain in an ag-field.
HYDROTEST after steam blows. 2010-12-24
We have performed a complete hydrotest of the boiler before the steam blows. After this phase, we have to cut the steam pipes (3 pressure level boiler) to install and weld the flow nozzles.
What caused this? 2010-12-23
I was recently asked to investigate a loss of capacity problem with a drinking water pumping facility. I found two split case pumps with a shop drawing capacity of 800 GPM @ 214 feet each. Only one pu
Compressor start up from settle-out pressure using VFD 2010-12-23
Recently we had a big problem with a large compressor (27MW)start up using VFD. The issue is that the vendor sized VFD capacity is too small to start the centrifugal compressor from settle-out pressur
Capacitance of a hydraulic capacitor model 2010-12-23
I was trying to explain how a capacitor works to someone who considered themselves a "mechanical". I used the hydraulic model of a hollow metal sphere with a rubber bladder separating it in half and
