The sound source is travelling at 1.4 times the speed of sound (Mach 1.4). Since the source is moving faster than the sound waves it creates, it leads the advancing wavefront. A sonic boom produced by an aircraft moving at M=2.92, calculated from the cone angle of 20 degrees. An observer hears nothing until the shock wave, on the edges of the cone, crosses their location.
The first thing to look at is how long your pump is running per day. If you do not own a timer, get one. Click here for our pool timers. Swimming pool pumps should be run an average 8 hours a day to properly circulate and clean your water. The pump should push your entire pool in gallons in this 8 hour period of time. However, often times swimming pool pump horse power is overrated for their size swimming pool. If it is overrated your pump may be pushing your water through in a 6 hour period or even a 4 hour period of time.
How long to run my automatic pool cleaner (daily or weekkly. I have a realatively new pool and want to know how long to have the automatic pool cleaner running during this time of the year. The manual suggested 4 to 5 hours during winter (which is now) but the hired pool cleaners is saying 8 to 10 hours daily.