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This question is relating to storm systems which are almost always shallow. Any effect on the watertable would be unlikely to have a negative effect on a well which would almost always be quite deep.

The other variable I am thinking of is the carburators are rated/tested at a uniform level of vaccume. This engine will not generate as much vaccume as most. Therefore it is possible I will not be able to achieve the rated flows. That would justify over sizing. I was hoping for some number...

Just found this: For contemporary naturally-aspirated, two-valve-per-cylinder, pushrod engine technology, a VE over 95% is excellent, and 100% is achievable, but quite difficult. Only the best of the best can exceed 110%, and that is by means of extremely specialized development of the complex...

This engine is a full time performance engine. I will be running 114 octane leaded fuel. I am definitly going mech secondary. My math tells me that at 90% VE a 650 is fine. My gut tells me that its way too small. I know a too big carb hurts perf more than a too small carb but sure seems to me...

I am trying to size a carburator. The engine is a 12.5:1 naturally asspirated 331 ci engine. Single plane intake long tube headers. Air Flow Research 185cc aluminum cylinder heads. Mechanical roller cam, valve lift .633 In. .640 Ex., duration @ .050 250 In. 254 Ex. I have a safe RPM limit of...

I run this car, 1965 Mustang, on a closed course on fun run days. Open track run as many laps as you like for the entire day. The car may see 15 to 20 85 to 90 sec laps before a cool down. Since the oil is hotter I planned on putting the cooler behind the radiator where I will still have a delt...

If I were attemting to tune a non computer controled engine in a high performance application, what should I assume to be the max safe temp?

I have a NA 331 ci engine making about 500 hp. My cooling is what I would consider acceptable but no more. I have maxed out what is available with an aftermarket radiator. I am thinking that since I have an oil capacity of approx 12 quarts I could lose alot more heat through an oil cooler. Is...

What kind of pay are you offering?

I am concerned only with the in situ to compacted factor. Are you telling me Civilperson that you are dealing with soils that shrink from in situ to compacted 30% on the low end?

I would be asking how to stop the erosion or protect the pipe against the unstopable erosion. Sounds like the client wants to know how long they can ignore the problem.

I dont know why sewage from a force main would create any different smell than sewage traveling via gravity.

I generally consider the grounwater flowing through my beeding to be benificial to the site unless the pipe is laid so steeply theat erosion becomes a problem.

Wow, that is surprising. I am licensed in Ohio. I am 40 and been in the industry since college. I am the only civil on staff so the entireity of site development is on my shoulders. I am at 86K and got a 10% bonus the last two years. I really feel this is light for my job description.

I have pondered this myself. As an engineer I don't care about swell factor. How many truck loads it takes to complete my design is of no concern to me. Seems to me that shinkage factor would only come into play when the in situ soil is considerably looser than the compacted embackment. I...

I got some free software from the pro concrete people

The job you described is exactly what I am doing now. You guys are correct, only about half of my job is engineering. Lots of time spent making different government aggency's happy, bidding work, solving problems on jobs underway. What kind of money should I expect for that kind of thing. I do...

I think adding a battery back up would be some cheap insurance against outages during a storm when you most need it.

The application I am considering is car parking lot. My slopes will be between 1% and 2%.

We are considering using pervious concrete on some of our upcomming projects. This is still untested stuff so I am probably being a little too conservative. I am in Ohio we get about 40 inches of rain per year and mostly clay based soils. Whenever I have a wet subgrade it performs very poorly...