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GH85Carrera's Avatar
 
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What 10,000 horsepower does to a top fuel tire at launch.
TOP FUEL ACCELERATION PUT INTO PERSPECTIVE
* One Top Fuel dragster 500 cubic-inch Hemi engine makes more horsepower (10,000 HP) than the first 5 rows at the Daytona 500.
* Under full throttle, a dragster engine consumes 1.2-1.5 gallons of nitro methane per second; a fully loaded 747 consumes jet fuel at the same rate with 25% less energy being produced.
* A stock Dodge Hemi V8 engine cannot produce enough power to merely drive the dragster's supercharger.
* With 3000 CFM of air being rammed in by the supercharger on overdrive, the fuel mixture is compressed into a near-solid form before ignition. Cylinders run on the verge of hydraulic lock at full throttle.
* At the stoichiometric 1.7:1 air/fuel mixture for nitro methane the flame front temperature measures 7050 degrees F.
* Nitromethane burns yellow. The spectacular white flame seen above the stacks at night is raw burning hydrogen, dissociated from atmospheric water vapor by the searing exhaust gases.
* Dual magnetos supply 44 amps to each spark plug.
This is the output of an arc welder in each cylinder.
* Spark plug electrodes are totally consumed during a pass. After 1/2 way, the engine is dieseling from compression plus the glow of exhaust valves at 1400 degrees F. The engine can only be shut down by cutting the fuel flow.
* If spark momentarily fails early in the run, unburned nitro builds up in the affected cylinders and then explodes with sufficient force to blow cylinder heads off the block in pieces or split the block in half.
* Dragsters reach over 300 MPH before you have completed reading this sentence.
* In order to exceed 300 MPH in 4.5 seconds, dragsters must accelerate an average of over 4 G's. In order to reach 200 MPH well before half-track, the launch acce leration approaches 8 G's.
* Top Fuel engines turn approximately 540 revolutions from light to light!
* Including the burnout, the engine must only survive 900 revolutions under load.
* The redline is actually quite high at 9500 RPM.
* THE BOTTOM LINE: Assuming all the equipment is paid off, the crew worked for free, & for once, NOTHING BLOWS UP, each run costs an estimated $1,000 per second.
0 to 100 MPH in .8 seconds (the first 60 feet of the run)
0 to 200 MPH in 2.2 seconds (the first 350 feet of the run)
6 g-forces at the starting line (nothing accelerates faster on land)
6 negative g-forces upon deployment of twin drag chutes at 300 MPH An NHRA Top Fuel Dragster accelerates quicker than any other land vehicle on earth . . quicker than a jet fighter plane . . . quicker than the space shuttle.
The current Top Fuel dragster elapsed time record is 4.420 seconds for the quarter-mile (2004, Doug Kalitta). The top speed record is 337.58 MPH as measured over the last 66' of the run (2005, Tony Schumacher).
Putting this all into perspective:
You are driving the average $140,000 Lingenfelter twin-turbo powered Corvette Z06. Over a mile up the road, a Top Fuel dragster is staged & ready to launch down a quarter-mile strip as you pass. You have the advantage of a flying start. You run the 'Vette hard up through the gears and blast across the starting line & pass the dragster at an honest 200 MPH. The 'tree' goes green for both of you at that moment.
The dragster launches & starts after you. You keep your foot down hard, but you hear an incredibly brutal whine that sears your eardrums & within 3 seconds the dragster catches & passes you.
He beats you to the finish line, a quarter-mile away from where you just passed him. Think about it - from a standing start, the dragster had spotted you 200 MPH & not only caught, but nearly blasted you off the road when he passed you within a mere 1320 foot long race!
That's acceleration!










__________________
Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!

Last edited by GH85Carrera; 03-09-2023 at 08:53 AM..
Old 03-09-2023, 05:13 AM
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Get off my lawn!
 
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San Angelo, Texas from 1972






Goldfield, Nevada circa 1905. Goldfield “was one of Southern Nevada's primary mining capitals". Goldfield's gold strike in 1902 opened south and central Nevada to development. In April 1904, 'The Goldfield News' proclaimed that Goldfield was "the greatest mining camp ever known".... People flocked to Goldfield from all over the country looking to make their fortunes in this, the last of the great gold rushes.



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Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
Old 03-09-2023, 08:01 AM
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Back in the saddle again
 
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Quote:
Originally Posted by GH85Carrera View Post
Looks like he's got a

bad
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'08 Boxster RS60 Spyder #0099/1960
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Old 03-09-2023, 08:48 AM
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Easy to tell who does the dirty work.








Extra brake ventilation? He needs a tub of JB weld!
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Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
Old 03-09-2023, 08:51 AM
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Make Bruins Great Again
 
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Quote:
Originally Posted by GH85Carrera View Post
This just blows my mind.
Do you expect me to believe that the speed limit was really that low?

Random
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Joe
See Porsche run. Run, Porsche, Run: `87 911 Carrera
Old 03-09-2023, 06:38 PM
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Snark and Soda
 
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Join Date: Aug 2003
Location: SF east bay
Posts: 24,536
Quote:
Originally Posted by GH85Carrera View Post
TOP FUEL ACCELERATION PUT INTO PERSPECTIVE
* One Top Fuel dragster 500 cubic-inch Hemi engine makes more horsepower (10,000 HP) than the first 5 rows at the Daytona 500.
* Under full throttle, a dragster engine consumes 1.2-1.5 gallons of nitro methane per second; a fully loaded 747 consumes jet fuel at the same rate with 25% less energy being produced.
* A stock Dodge Hemi V8 engine cannot produce enough power to merely drive the dragster's supercharger.
* With 3000 CFM of air being rammed in by the supercharger on overdrive, the fuel mixture is compressed into a near-solid form before ignition. Cylinders run on the verge of hydraulic lock at full throttle.
* At the stoichiometric 1.7:1 air/fuel mixture for nitro methane the flame front temperature measures 7050 degrees F.
* Nitromethane burns yellow. The spectacular white flame seen above the stacks at night is raw burning hydrogen, dissociated from atmospheric water vapor by the searing exhaust gases.
* Dual magnetos supply 44 amps to each spark plug.
This is the output of an arc welder in each cylinder.
* Spark plug electrodes are totally consumed during a pass. After 1/2 way, the engine is dieseling from compression plus the glow of exhaust valves at 1400 degrees F. The engine can only be shut down by cutting the fuel flow.
* If spark momentarily fails early in the run, unburned nitro builds up in the affected cylinders and then explodes with sufficient force to blow cylinder heads off the block in pieces or split the block in half.
* Dragsters reach over 300 MPH before you have completed reading this sentence.
* In order to exceed 300 MPH in 4.5 seconds, dragsters must accelerate an average of over 4 G's. In order to reach 200 MPH well before half-track, the launch acce leration approaches 8 G's.
* Top Fuel engines turn approximately 540 revolutions from light to light!
* Including the burnout, the engine must only survive 900 revolutions under load.
* The redline is actually quite high at 9500 RPM.
* THE BOTTOM LINE: Assuming all the equipment is paid off, the crew worked for free, & for once, NOTHING BLOWS UP, each run costs an estimated $1,000 per second.
0 to 100 MPH in .8 seconds (the first 60 feet of the run)
0 to 200 MPH in 2.2 seconds (the first 350 feet of the run)
6 g-forces at the starting line (nothing accelerates faster on land)
6 negative g-forces upon deployment of twin drag chutes at 300 MPH An NHRA Top Fuel Dragster accelerates quicker than any other land vehicle on earth . . quicker than a jet fighter plane . . . quicker than the space shuttle.
The current Top Fuel dragster elapsed time record is 4.420 seconds for the quarter-mile (2004, Doug Kalitta). The top speed record is 337.58 MPH as measured over the last 66' of the run (2005, Tony Schumacher).
Putting this all into perspective:
You are driving the average $140,000 Lingenfelter twin-turbo powered Corvette Z06. Over a mile up the road, a Top Fuel dragster is staged & ready to launch down a quarter-mile strip as you pass. You have the advantage of a flying start. You run the 'Vette hard up through the gears and blast across the starting line & pass the dragster at an honest 200 MPH. The 'tree' goes green for both of you at that moment.
The dragster launches & starts after you. You keep your foot down hard, but you hear an incredibly brutal whine that sears your eardrums & within 3 seconds the dragster catches & passes you.
He beats you to the finish line, a quarter-mile away from where you just passed him. Think about it - from a standing start, the dragster had spotted you 200 MPH & not only caught, but nearly blasted you off the road when he passed you within a mere 1320 foot long race!
That's acceleration!
That's just an astonishing set of facts!




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Old 03-09-2023, 07:02 PM
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Old 03-09-2023, 11:28 PM
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Get off my lawn!
 
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Let's go to sunny California my wife says.


CBS Telecine patch bay, sometime in 1950s-60s




The Runit Dome, also called the Tomb, is a 115 m (377 ft) diameter, 46 cm (18 in) thick dome of concrete at sea level, encapsulating an estimated 73,000 m3 of radioactive debris, including some plutonium-239. The debris stems from nuclear tests conducted in the Enewetak Atoll by the United States between 1946 and 1958. And it is slowly leaking.


UNIVAC Repair
Technician Joyce Cade working inside a UNIVAC I computer casing calibrating delay-line memory tanks that stored data as sound pulses in tubes of mercury, the process was temperature sensitive so this small chamber was always maintained at a very constant temperature during computer operations. On average, the UNIVAC had a malfunction about two to three times a day which kept her quite busy. Typically, the most time consuming part of her repair jobs was tracking down which vacuum tube had blown, sometimes in the most inaccessible of places. This United States Census Bureau computer installation is being used to tabulate the results of the 1954 Census of Business, Suitland, Maryland, USA. (October 19, 1955).
The UNIVAC I (Universal Automatic Computer I) was the first general-purpose electronic digital computer design for business application produced in the United States. It was designed principally by J. Presper Eckert and John Mauchly, the inventors of the ENIAC, and the US Census Bureau was Remington Rand's first client.


Whales have arm, wrist & finger bones in their front fins. This is the front fin bones of a Grey whale.
All cetaceans (Whales, Dolphins, Porpoises) and Pinnipeds (Seals, Sea Lions, Walruses) have flippers. However, inside those flippers are bones that resemble a human hand, thumb included.

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Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
Old 03-10-2023, 06:02 AM
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Here is Actor Walter Miller holding onto Actress Allene Ray, whille performing a stunt on the roof of Manhattan's "Algonquin Hotel", during the filming of the Movie "Play Ball" in 1925

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Old 03-10-2023, 07:53 AM
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Back in the saddle again
 
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Quote:
Originally Posted by craigster59 View Post
Here is Actor Walter Miller holding onto Actress Allene Ray, whille performing a stunt on the roof of Manhattan's "Algonquin Hotel", during the filming of the Movie "Play Ball" in 1925

Wow, it looks like she's 5-6' above the mattress. The setup looks super safe. Clearly fully OSHA approved!

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'08 Boxster RS60 Spyder #0099/1960
- never named a car before, but this is Charlotte.
'88 targa SOLD 2004 - gone but not forgotten

Last edited by masraum; 03-10-2023 at 08:00 AM..
Old 03-10-2023, 07:56 AM
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Porsche 356 RSR


March 5, 1953: The 600-foot-long, 70-foot-wide Marine Angel transited the Chicago River. The freighter had only seven inches of clearance on each side at Van Buren Street, and was the largest ship to ply the river.



__________________
Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
Old 03-10-2023, 08:04 AM
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You do not have permissi
 
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Meanwhile other things are still happening.
Old 03-10-2023, 10:46 AM
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Get off my lawn!
 
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__________________
Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
Old 03-10-2023, 11:59 AM
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Snark and Soda
 
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Old 03-10-2023, 03:42 PM
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Old 03-10-2023, 11:47 PM
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Old 03-10-2023, 11:53 PM
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Old 03-11-2023, 04:41 AM
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I see you
 
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Quote:
Originally Posted by GH85Carrera View Post

Oh man is that ever a missed opportunity for some excellent whoop-des.

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Old 03-11-2023, 05:07 AM
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The grand daddy of them all. Next to the 2N3055, this is perhaps the most famous transistor in the world. It is a good thing they got a little smaller!








Wellston, Oklahoma. This is a postcard of the "Pioneer Tourist Camp, On Highway 66, Near Wellston, Central Okla." It appears to have a star on the gas pumps so this must be a Texaco station, making it about 1933.
Historically, Wellston is on the land that was ceded to the Kickapoo Tribe as a Reservation (The Kickapoo were originally from Illinois). However, the government later changed its mind and made the individual tribe members receive a plot of land and then had the tribe sell the surplus land back to the federal government. This created over 900,000 acres of surplus land which were "opened" to settlement through the method of "Land Runs". The run in Wellston took place in 1895.
A "Land Rush" or "Land Run" was a system by which those interested in staking a claim for a plot of land set off from a starting point and rode as fast as they could toward the land being "opened" to settlement. Once they reached it, they claimed their homestead on a "first come, first served basis". There were several "runs" in the early 1890s in Oklahoma.
Thomas Craddock claimed the land near Well's trading post and deeded land for a town that was laid out next to where Captain Creek joined Deep Fork River. A road soon linked it to Chandler and Oklahoma City, and in 1898 the Arkansas and Oklahoma Railroad, (later the St. Louis and San Francisco Railway or "Frisco") reached the town and built a station there.
Cotton farming was the main activity. During the early 1900s, the county successfully lobbied to have the "Ozark Trail" pass through it, and by 1918, the dirt-surfaced trail passed through the town. It later became Oklahoma State Highway No. 7 and as such was incorporated into the alignment of Route 66 when it was created in 1926, which passed right through the town for the next six years.
This postcard is courtesy of 66postcards.
__________________
Glen
49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
Old 03-11-2023, 05:15 AM
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'69 911 GT-5
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and others
Old 03-11-2023, 07:31 AM
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