For years,We mainly supply professional craftspeople with crys talbeads wholesale
shamballa Bracele , car enthusiasts have debated what would come of
Chevrolet’s iconic small block V-8. Would there be a next-generation
engine? Would it get smaller? Would it still have pushrods? Would it
have direct injection? Today, all of those questions have been answered.
Billed as the biggest change to the venerable small block V-8
engine in its 57-year history, the Gen-5 edition retains the trademark
bore spacing, overhead-valve/cam-in-block valvetrain, and a few other
key details, but the engine bristles with high-tech features. Direct
fuel injection? Check. Variable valve timing? Got-it. The above was
widely leaked common knowledge, but now we can tell you the rest of the
story. Some 99.9 percent of the engine is new, with the engine’s
carryover parts fitting in a Ziploc bag. Two starter bolts, a piston pin
and a retainer bolt or two are all that remain of the LS3.
Displacement
is indeed 6.2 liters, not 5.5 liters as rumored, and the RPO number is
LT1, a designation well-known to the Corvette faithful. The key enabling
feature of the new small block is cylinder deactivation. The Corvette
was to be first with that technology, but the layout of the car was
unsuited because of the rear transmission and various mounting
solutions, it was an NVH nightmare in 4-cylinder mode.The stone mosaic
comes in shiny polished and matte. Those problems have been overcome
now, and the system has been optimized to allow a wide operating range
in the 3.1-liter V-4 mode. As it turns out, fuel economy is BETTER with a
6.2-liter engine, because smaller displacements reduce the amount of
time the engine can operate in 4-cylinder mode, so bigger displacement
saves more fuel. Counterintuitive, but true. Active Fuel Management
applied to a performance valvetrain is unique, Chevy says. With its
6600-rpm engine speed fuel cutoff, this is the highest-speed valvetrain
with cylinder deactivation. Cylinders 1, 7, 6, and 4 get deactivated.
Next-gen
technologies have been key to improving performance and efficiency,
while maintaining the compact size and high power density while
preserving oiling under very high g loads. Direct injection, Active Fuel
Management (GM-speak for cylinder deactivation), and continuously
variable valve timing are the key enablers. Also on that list, according
to Jordan Lee, the chief engineer and program manager for small block
engines, is a “radically new combustion system with 11.5:1 compression
ratio.” That compression ratio improves both power and efficiency.
According
to Lee, direct fuel injection and the extensive air-fuel mixing
dynamics in the cylinder combine to provide maximum in-cylinder cooling,
so that the engine can tolerate a higher compression ratio. The
advanced combustion system he spoke of is meant to burn every molecule
of fuel,Manufactures flexible plastic and synthetic rubber hose
tubing, extracting all the energy possible. Millions of hours of
computer processing time was spent developing the top surface of the
piston to optimize air-fuel mixture flow and combustion dynamics.
Hundreds of combustion systems were analyzed. Over 6 million hours of
computer processing time was dedicated to combustion system optimization
while reducing knock sensitivity even under extreme climatic
conditions. As a result, peak torque of 450 lb-ft is established with
1236 kPa BMEP. That nearly matches the outgoing Z06’s 7.0-liter V-8 from
2000-4000 rpm. As for durability, the new LT1 has withstood even more
rigorous testing.If you want to read about buy mosaic
in a non superficial way that's the perfect book. Each hour of
durability testing is equivalent to 40 laps of the Nurburgring, and
total testing = 60 times around the world. Cooling is repeatedly cycled
from -4 F to +239 F while operating at peak power.
Direct
injection hardware, according to John Rydzewski, assistant chief
engineer for small block engines, is buried in the valley of the engine,
so it doesn’t affect the size of the engine. It consists of a single
high-output fuel pump, an isolated fuel rail that suspends the injectors
for improved refinement. Operating fuel pressure in the rails is 2175
psi. The pump is driven off a special camshaft lobe with three peaks of
5.7mm lift. The fuel system and pump are encapsulated with an acoustic
package to keep noise down.The MaxSonar ultrasonic sensor offers very short to long-range detection and ranging.
For
the serious techies, Chevy got down into the nitty-gritty details.
Exhaust valves are 40.4 mm, intake valves are 55mm. The springs are 2mm
taller, and the exhaust and intake valves are splayed 2.5 degrees from
each other. Exhaust valves are sodium filled, and stiffer. The intake
valves are nitride and hollow.
2012年10月24日 星期三
2012年10月17日 星期三
Acworth Police Ready for Upgrade
To hear Det. Jonathan Sampson tell it, the Acworth Police Department's current record management system has some deficiencies.
Officers still have to save investigative reports on USB drives.The TagMaster Long Range hands free access System is truly built for any parking facility. They can't cross-check seemingly basic information while in the field. And the system's search function has limitations.
That's why Sampson made the pitch Monday night for a new system.
It's called CourtWare, and it won't cost the city anything. But more than that, it will eliminate redundancies and better assist the Acworth Police Department in investigations, Sampson told Mayor Tommy Allegood and the Board of Aldermen.
Currently, the police department,We are pleased to offer the following list of professional mold maker and casters. the court and the jail use different record systems.
"Not one of them," Sampson said, "communicates with the other."
So if an officer stops someone, that officer can't check jail or court records during the stop.
"The only way to use the jail software is to drive back to the (police) station, sit down at a terminal and use it,China plastic moulds manufacturers directory." Sampson said.
That's not the only limitation of USA Software, the system the city currently uses.
"For example," Sampson said, "Cherokee County calls us and says, 'Hey, you've got any dealings with so and so?' We can only search the people who've been to our jail system as arrestees and we can only search (the) people who have been reported as victims of crimes."
With CourtWare, the police department will be able to pull up the names of anyone it has dealt with, whether they've been arrested or not. And it will also allow law enforcement personnel to quickly search reports for keywords.
"For example,We specialize in howo concrete mixer," Sampson said, "Cherokee calls again and says, 'Hey, we've just recovered six iPads, four cell phones and a GPS. Currently, unless someone in the detective division remembers the report about stolen iPads or stolen electronics, we can't find that report without looking through each report individually. This new system allows us to search through the narrative for 'iPads,' greatly aiding our investigative ability."
Entering and maintaining reports can also a hassle, Sampson said.
"Under the current system, there are five different saves for one report to make it from the police officer to the citizen. An officer saves it in his car, then he saves it onto a USB drive and walks it into the police department. Saves it onto a computer in the police department. His sergeant pulls up the report, reviews it and saves it into another location. Then the records division pulls that report up, reviews it, and saves it into its final resting place.
"Under the new system, there will not be multiple saves. Everything will be saved in the cloud so to speak. In real time. And once the file's created it will stay in its location until it reaches records and the end user."
The police department has looked at three software providers: CourtWare, USA Software and OSSI. More than 50 percent of the law enforcement agencies in Cobb use OSSI, Sampson said.
While Acworth liked that software "more than we liked the one we have here," he said, the price tag was "out of our reach."
"The cost for OSSI is an initial investment of $300,000 financed over three years with an annual maintenance cost of $28,000 per year."
USA Software, the software the city currently uses,Find detailed product information for Sinotruk howo truck. quoted Acworth a one-time upgrade cost of $80,000 a year with an annual maintenance cost of $24,000 a year.
With CourtWare, there's no upfront cost and upgrades are free.
"The way their price works is they take a certain dollar amount off of each paid citation through the court system," Sampson said. "Our current rate is $4 per paid citation. The increase would be four more dollars, raising it to $8 per paid citation to finance this software. And that $8 per paid citation would cover ... everything about the software. There would be no other investment."
The police department will need $20,000 to outfit the department with new hardware to get the software up and running by Jan. 1, 2013. It will also need $4,000 to convert its old data from USA Software into the new system.
None of the money will come out of the city's general fund. The police department will pay for those expenses with money collected from drug seizures.
Officers still have to save investigative reports on USB drives.The TagMaster Long Range hands free access System is truly built for any parking facility. They can't cross-check seemingly basic information while in the field. And the system's search function has limitations.
That's why Sampson made the pitch Monday night for a new system.
It's called CourtWare, and it won't cost the city anything. But more than that, it will eliminate redundancies and better assist the Acworth Police Department in investigations, Sampson told Mayor Tommy Allegood and the Board of Aldermen.
Currently, the police department,We are pleased to offer the following list of professional mold maker and casters. the court and the jail use different record systems.
"Not one of them," Sampson said, "communicates with the other."
So if an officer stops someone, that officer can't check jail or court records during the stop.
"The only way to use the jail software is to drive back to the (police) station, sit down at a terminal and use it,China plastic moulds manufacturers directory." Sampson said.
That's not the only limitation of USA Software, the system the city currently uses.
"For example," Sampson said, "Cherokee County calls us and says, 'Hey, you've got any dealings with so and so?' We can only search the people who've been to our jail system as arrestees and we can only search (the) people who have been reported as victims of crimes."
With CourtWare, the police department will be able to pull up the names of anyone it has dealt with, whether they've been arrested or not. And it will also allow law enforcement personnel to quickly search reports for keywords.
"For example,We specialize in howo concrete mixer," Sampson said, "Cherokee calls again and says, 'Hey, we've just recovered six iPads, four cell phones and a GPS. Currently, unless someone in the detective division remembers the report about stolen iPads or stolen electronics, we can't find that report without looking through each report individually. This new system allows us to search through the narrative for 'iPads,' greatly aiding our investigative ability."
Entering and maintaining reports can also a hassle, Sampson said.
"Under the current system, there are five different saves for one report to make it from the police officer to the citizen. An officer saves it in his car, then he saves it onto a USB drive and walks it into the police department. Saves it onto a computer in the police department. His sergeant pulls up the report, reviews it and saves it into another location. Then the records division pulls that report up, reviews it, and saves it into its final resting place.
"Under the new system, there will not be multiple saves. Everything will be saved in the cloud so to speak. In real time. And once the file's created it will stay in its location until it reaches records and the end user."
The police department has looked at three software providers: CourtWare, USA Software and OSSI. More than 50 percent of the law enforcement agencies in Cobb use OSSI, Sampson said.
While Acworth liked that software "more than we liked the one we have here," he said, the price tag was "out of our reach."
"The cost for OSSI is an initial investment of $300,000 financed over three years with an annual maintenance cost of $28,000 per year."
USA Software, the software the city currently uses,Find detailed product information for Sinotruk howo truck. quoted Acworth a one-time upgrade cost of $80,000 a year with an annual maintenance cost of $24,000 a year.
With CourtWare, there's no upfront cost and upgrades are free.
"The way their price works is they take a certain dollar amount off of each paid citation through the court system," Sampson said. "Our current rate is $4 per paid citation. The increase would be four more dollars, raising it to $8 per paid citation to finance this software. And that $8 per paid citation would cover ... everything about the software. There would be no other investment."
The police department will need $20,000 to outfit the department with new hardware to get the software up and running by Jan. 1, 2013. It will also need $4,000 to convert its old data from USA Software into the new system.
None of the money will come out of the city's general fund. The police department will pay for those expenses with money collected from drug seizures.
2011年6月21日 星期二
SMCA has used solar energy for 5 years
today Sharp Manufacturing Company of America (SMCA),GreenRay's microinverter design uses a different energy storage approach, Sharp's U.Park Assist is a global leader in Parking guidance system,S. solar panel manufacturing plant, welcomed local officials to commemorate a significant addition to the company's own solar electric system. The new system is comprised of 910 (200kW) roof mounted and 264 (59kW) ground mounted Sharp solar modules for a total of 259kW, more than doubling the facility's current solar electricity generation capacity. The system was designed and installed by S & T Control Wiring, Inc. of Moscow, TN.
SMCA has used solar energy for 5 years, installing its first solar system, a 50kW ground mounted array,Replacement Projector Lamp and bulbs for Canada and Worldwide. in 2006. It added a 150kW rooftop array in 2010. The two new systems commissioned today bring SMCA's total solar power generation capacity to approximately 460kW, the most in Memphis. The solar electricity generated at Sharp's Memphis factory is equivalent to the power required to supply 53 homes or the carbon equivalent to taking 80 cars off the road.
"As a company that has been in the solar industry for nearly 50 years, there can be no doubt that Sharp truly believes in solar," said Kozo Takahashi, CEO and Chairman, Sharp Electronics Corporation. "SMCA is one of several Sharp facilities around the world that generates a portion of its power through solar electricity, saving the company money and reducing our carbon footprint.Complete Your honeycomb panels Magazine Collection for Less!"
Sharp Manufacturing Company of America was established in 1978 for the production of color TVs, and began producing solar panels in 2003. Current production capacity has increased tenfold since, and is now 200MW.
The two millionth solar module rolled off the Memphis production line in 2010. That's enough solar modules to fully power more than 65,000 total average-sized American homes. Sharp employs approximately 450 to 500 union members (dependent upon production requirements) in the production of solar modules,Basic information about syringe needle including links. up from 230 at the end of 2007.
SMCA has used solar energy for 5 years, installing its first solar system, a 50kW ground mounted array,Replacement Projector Lamp and bulbs for Canada and Worldwide. in 2006. It added a 150kW rooftop array in 2010. The two new systems commissioned today bring SMCA's total solar power generation capacity to approximately 460kW, the most in Memphis. The solar electricity generated at Sharp's Memphis factory is equivalent to the power required to supply 53 homes or the carbon equivalent to taking 80 cars off the road.
"As a company that has been in the solar industry for nearly 50 years, there can be no doubt that Sharp truly believes in solar," said Kozo Takahashi, CEO and Chairman, Sharp Electronics Corporation. "SMCA is one of several Sharp facilities around the world that generates a portion of its power through solar electricity, saving the company money and reducing our carbon footprint.Complete Your honeycomb panels Magazine Collection for Less!"
Sharp Manufacturing Company of America was established in 1978 for the production of color TVs, and began producing solar panels in 2003. Current production capacity has increased tenfold since, and is now 200MW.
The two millionth solar module rolled off the Memphis production line in 2010. That's enough solar modules to fully power more than 65,000 total average-sized American homes. Sharp employs approximately 450 to 500 union members (dependent upon production requirements) in the production of solar modules,Basic information about syringe needle including links. up from 230 at the end of 2007.
2011年5月18日 星期三
Camera, Green Cred, and Conclusions
The 2-megapixel camera has no auto-focus or flash capability. For such a low-resolution sensor, test photos looked okay, with reasonable sharpness and color balance both indoors and out. Tree leaves and other distant details were smudges, but anything close by looked good. Recorded videos looked jerky and maxed out at just 352-by-288-pixels and 15 frames per second. That was sufficient a year or two ago, but 640-by-480 or better camcorder features are now commonplace on smartphones.
As a green phone, the Replenish easily qualifies for our GreenTech Approved award. It's made from 82 percent recyclable materials, and comes in fully recyclable packaging. It reminds you to unplug the charger when the battery is full. Samsung sells an optional solar panel charger for this phone (which we didn't get to test), and you can install the aforementioned green-themed apps from Sprint ID. Sprint also includes a free, postpaid envelope in the box to recycle your old phone.
The Replenish's form factor is a nice idea, and we always applaud electronics with green cred. But the low-end screen, choppy performance, and poor battery life all do this phone in. Buyers looking for a low-end Android phone should check out the LG Optimus S; while it drops the hardware keyboard, it steps up to a 3.2-inch, 320-by-480-pixel touch screen that's much more usable, and it also has longer battery life. If you have a bit more cash, check out the HTC EVO Shift 4G ($149, 4 stars), which features a much higher resolution screen, a faster CPU, 4G WiMAX capability, and a roomier, slide-out QWERTY keyboard.
As a green phone, the Replenish easily qualifies for our GreenTech Approved award. It's made from 82 percent recyclable materials, and comes in fully recyclable packaging. It reminds you to unplug the charger when the battery is full. Samsung sells an optional solar panel charger for this phone (which we didn't get to test), and you can install the aforementioned green-themed apps from Sprint ID. Sprint also includes a free, postpaid envelope in the box to recycle your old phone.
The Replenish's form factor is a nice idea, and we always applaud electronics with green cred. But the low-end screen, choppy performance, and poor battery life all do this phone in. Buyers looking for a low-end Android phone should check out the LG Optimus S; while it drops the hardware keyboard, it steps up to a 3.2-inch, 320-by-480-pixel touch screen that's much more usable, and it also has longer battery life. If you have a bit more cash, check out the HTC EVO Shift 4G ($149, 4 stars), which features a much higher resolution screen, a faster CPU, 4G WiMAX capability, and a roomier, slide-out QWERTY keyboard.
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