The Mystery of Mount Paektu - CR4 Discussion Thread
2020年11月24日 · "Mount Paektu (also known as Changbai Mountain) is one of the largest volcanoes on earth and yet, for the longest time, nobody could explain where it came from or why it exists. Here we will discuss why this volcano is so unusual and how the geological mystery surrounding it could eventually be solved. "_____
Using Mount Kilimanjaro to Launch Rockets: Chat with GPT
2024年11月18日 · Steep and Consistent Slope: The mountain’s slope makes it ideal for a linear railgun or maglev launcher, reducing reliance on traditional fuel-heavy first stages. Hydropower Potential: With Kilimanjaro’s height, a high-head hydroelectric system could generate substantial power for railgun operations, adding a sustainable energy component.
Flame Efficiency - CR4 Discussion Thread
2010年9月11日 · Colorado Energy Conservation (formerly Rocky Mountain Energy Conservation) Question, What European country inspects with combustion analyzers on a yearly basis? " looking for conscience in the brain is like looking for the band in the radio" N. H.
Atomic Clock - Wrong Time - CR4 Discussion Thread - GlobalSpec
2014年6月2日 · Did you try changing the offset by an hour? Since DST is dependant on both the dateand the political entity you reside in (not every location uses dst) then the clock would need to know both the current date, as well as whether DST is observed in your locality. on top of that congress changed the start and end dates of DST in the US a couple years ago, and if the …
Highway Generated Energy - CR4 Discussion Thread
2008年11月27日 · Good Answer: Half an inch of give in the highway surface would completely cancel the millions of dollars poured into bringing tires from a rolling resistance coefficient of .013 down to about .006, for the...
Hex Head vs. Socket Head Screws - CR4 Discussion Thread
2008年11月19日 · Perhapse I should try this idea with my mountain bike. I keep breaking the retaining fastener in my seat. Usually on a trail in the middle of nowhere. I'd rather mash a fastener than finish a ride standing on the pedals. When those socket head cap screws fail in tension it sounds like a gun going off. _____
Point Load vs Total Distributed Load - CR4 Discussion Thread
2012年5月23日 · well in TIA 942 the allowable distributed load on the floor must be with in 150lbf/sqft i have a room of dimension 30x24 ft and total weight on the floor is and total load on its floor is 20680lbf. if we calculate the load/sq.ft then it would be 28.7 lbf/sqft it is fine and with in the limit but i do not know what would be the limit for the point/concentrated load on the floor and …
Chrome Plating of Small Parts - CR4 Discussion Thread - GlobalSpec
2008年5月9日 · Ditto! AND, as well, a small parts NICKEL plating kit is available out of an outfit in New Jersey. Aimed at the auto restoration gang.
Electric Kettles in the U.S. - CR4 Discussion Thread
2020年8月10日 · To say that it takes 25 minutes to boil water is meaningless, without specifying the volume of water and the initial temperature. We have a rather unique water supply, coming from the bottom of a mountain lake, through a 27" diameter line to the edge of our property, so our initial water temperature is colder than most.
Rooftop HVAC Economizers - When Are They Worth It?
2011年7月22日 · I'd also say that if the customer is located in a traditionally humid area they would probably only see a handful of days a year of operation. There are charts available that show by region where you can expect the best results. Desert and mountain areas often have dry air that really fits the bill. Coastal rarely does.