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7/31/2021 8:24 PM

This pic came from Ron Capps FB page. How cool! Photo

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7/31/2021 8:38 PM

Thought you were gonna say 800.

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8/1/2021 4:13 AM

Any motohead worth their salt would love attending an NHRA National. The Top Fuel and Funny Cars are mind bending!

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8/1/2021 4:30 AM

That thing got a Hemi?

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8/1/2021 6:03 AM

wildbill wrote:

Thought you were gonna say 800.

Damn that was good

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8/1/2021 7:11 AM

"My Hemi is in the shop, so I rented this pile"

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8/1/2021 7:23 AM

If you’re curious why Hunter even cares, probably has something to do with these Interesting TF stats:


* One dragster's 500-inch Hemi makes more horsepower then the first 8 rows at Daytona.

* Under full throttle, a dragster engine consumes 1 1/2 gallons of nitro per second, the same rate of fuel consumption as a fully loaded 747 but with 4 times the energy volume.

* The supercharger takes more power to drive than a stock hemi makes.

* Even with nearly 3000 CFM of air being rammed in by the supercharger on overdrive, the fuel mixture is compressed into nearly-solid form before ignition. Cylinders run on the verge of hydraulic lock.

* Dual magnetos apply 44 amps to each spark plug. This is the output of an arc welder in each cylinder.

* At stoichiometric (exact) 1.7:1 air/fuel mixture (for nitro), the flame front of nitromethane 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.

* 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 off its fuel flow.

* If spark momentarily fails early in the run, unburned nitro builds up in those cylinders and then explodes with a force that can blow cylinder heads off the block in pieces or blow the block in half.

* Dragsters twist the crank (torsionally) so far (20 degrees in the big end of the track) that sometimes cam lobes are ground offset from front to rear to re-phase the valve timing somewhere closer to synchronization with the pistons.

* To exceed 300mph in 4.5 seconds dragsters must accelerate at an average of over 4G's. But in reaching 200 mph well before 1/2 track, launch acceleration is closer to 8G's.

* If all the equipment is paid off, the crew worked for free, and for once NOTHING BLOWS UP, each run costs $1000.00 per second.

* Dragsters reach over 300 miles per hour before you have read this sentence.

Did you know …

… that the nitromethane-powered engines of NHRA Top Fuel dragsters and Funny Cars produce approximately 7,000 horsepower, about 37 times that of the average street car?

… that one cylinder of the eight cylinders of a Top Fuel dragster or a Funny Car produces 750 horsepower, equaling the entire horsepower output of a NASCAR engine?

… that the gasoline-powered engines of NHRA Pro Stock cars produce about 1,200 horsepower, about eight times that of the average street car?

… that an NHRA Top Fuel dragster accelerates from 0 to 100 mph in less than .8-second, almost 11 seconds quicker than it takes a production Porsche 911 Turbo to reach the same speed?

… that an NHRA Top Fuel dragster leaves the starting line with a force nearly five times that of gravity, the same force of the space shuttle when it leaves the launching pad at Cape Canaveral?

… that an NHRA Funny Car is slowed by a reverse force more than seven times that of gravity when both parachutes deploy simultaneously?

… that NHRA Top Fuel dragsters and Funny Cars consume between four and five gallons of fuel during a quarter-mile run, which is equivalent to between 16 and 20 gallons per mile?

… that NHRA Top Fuel dragsters and Funny Cars use between 10 and 12 gallons of fuel for a complete pass, including the burnout, backup to the starting line, and quarter-mile run?

… that NHRA Top Fuel dragsters and Funny Cars travel the length of more than four football fields in less than five seconds?

… that NHRA Top Fuel dragsters can exceed 280 mph in just 660 feet?

… that from a standing start, NHRA Top Fuel dragsters accelerate faster than a jumbo jet, a fighter jet, and a Formula One race car?

… that a fuel pump for an NHRA Top Fuel dragster and Funny Car delivers 65 gallons of fuel per minute, equivalent to eight bathroom showers running at the same time?

… that the fuel-line pressure for NHRA Top Fuel dragsters and Funny Cars is between 400 and 500 pounds, about 20 times greater than the pressure on passenger-car fuel pumps?

… that depending on size and angle, the large rear wing on an NHRA Top Fuel dragster develops between 4,000 and 8,000 pounds of downforce?

… that the 17-inch rear tires used on NHRA Top Fuel dragsters and Funny Cars wear out after four to six runs, or about two miles? Some brands of passenger-car tires are guaranteed for 80,000 miles.

… that it takes just 15/100ths of a second for all 7,000 horsepower of an NHRA Top Fuel dragster engine to reach the rear wheels?

… that it's desirable for an NHRA Top Fuel dragster to race with its front wheels inches off the ground for about the first 200 feet of the run? This ensures proper weight transfer to the rear wheels, a crucial part of a good launch and quick run.

… that the nitromethane used to power the engines of NHRA Top Fuel dragsters and Funny Cars costs about $30 per gallon?

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8/1/2021 7:46 AM

Cool?

Off season is going to be rough around here this year…

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8/1/2021 7:47 AM

motomike137 wrote:

Any motohead worth their salt would love attending an NHRA National. The Top Fuel and Funny Cars are mind bending!

It'll make your eyes burn!
grin

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Nobody ever told me, I found out for myself. You've got to believe in foolish miracles. It's not how you play the game, it's if you win or lose. You can choose. Don't confuse. Win or lose. It's up to you!

8/1/2021 9:06 AM

Watching the crew tear down and rebuild an engine between rounds is a god damned art form.

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8/1/2021 9:48 AM

Obviously not on the same level, but has anyone ever drove the ones in Daytona? It’s been several years, but this go-kart track had some. IIRC they were propane powered and did 0-80 in like 1.7 seconds or something stupid. They were on rails for safety, 4 cars wide, and it braked automatically for you at the end. The only thing you had to do was hit the gas when the light turned green, steer and shift to 2nd when the shift light came on. One ticket gave you two runs down the “track.” I nailed the first run, but after that I was fucked. Went back to the starting line and I was a mess, hands were shaking, jittery as hell. I can’t imagine driving the real thing.

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8/1/2021 10:23 AM

The boys only got into MX cause they were too young to go drag racing.
Their dad had wanted them to be drag racers.

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8/1/2021 10:44 AM

Saying how much fuel it uses a minute seems a bit odd seeing as they only race for 4 seconds.

An awful lot of work , for not a lot of action.

Still cool though

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8/1/2021 11:27 AM

philG wrote:

Saying how much fuel it uses a minute seems a bit odd seeing as they only race for 4 seconds.

An awful lot of work , for not ...more

Perhaps it's a ton of action crammed into 4 seconds?

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8/1/2021 11:34 AM

motomike137 wrote:

Any motohead worth their salt would love attending an NHRA National. The Top Fuel and Funny Cars are mind bending!

I like NHRA, but I like no prep stuff better.

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8/1/2021 11:38 AM

philG wrote:

Saying how much fuel it uses a minute seems a bit odd seeing as they only race for 4 seconds.

An awful lot of work , for not ...more

You have to understand what all goes into getting the car down the strip in order to truly love the sport.

Kind of like nascar and baseball, if you don’t understand it, it’s dull.

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8/1/2021 11:50 AM
Edited Date/Time: 8/1/2021 11:52 AM

chuckie108 wrote:

If you’re curious why Hunter even cares, probably has something to do with these Interesting TF stats:


* One dragster's ...more

Or, you could just watch as one goes past and you will then understand the meaning of life.

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8/1/2021 11:53 AM

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8/1/2021 11:55 AM

Watching the crew rebuild between rounds is awesome. There was an article on it recently of how many minutes or seconds from step to step. If you go spend some time watching them leave the line. Controlled violence. Then spend some time at the finish line as they go past the traps.

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8/1/2021 1:38 PM

philG wrote:

Saying how much fuel it uses a minute seems a bit odd seeing as they only race for 4 seconds.

An awful lot of work , for not ...more

MetricHotrods wrote:

Perhaps it's a ton of action crammed into 4 seconds?

If you can blink and miss half of it, how would you know?

Big fan of the Race Week stuff, i ;love the concept of driving the car between venues, i know it isnt for the purist but it makes good viewing.


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8/1/2021 2:58 PM

Standing trackside at the finish is mind blowing. You see the car shake at the start, then you finally hear it and it goes blurring by you.

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8/1/2021 4:31 PM

chuckie108 wrote:

If you’re curious why Hunter even cares, probably has something to do with these Interesting TF stats:


* One dragster's ...more

They're producing around 11,000 HP now...ermm

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Hello..Vital?..

8/1/2021 4:34 PM

JOHN CHOATE wrote:

This pic came from Ron Capps FB page. How cool! Photo

Was that at Pomona?...smile

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Hello..Vital?..

8/1/2021 4:36 PM

Top fuel is just awsome !

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8/1/2021 4:44 PM

Last event I went to they ran Pro Stock 1st..As they went past I said "This ain't so bad"...Then the Top Fuelers came out..They about lifted out of my seat...I hurried up and bought some earplugs...shocked

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Hello..Vital?..

8/1/2021 9:15 PM

philG wrote:

Saying how much fuel it uses a minute seems a bit odd seeing as they only race for 4 seconds.

An awful lot of work , for not ...more

I went to a meeting and was thinking the same thing, I was like yeah I get it but man dunno about spending my life doing it..

Then like Lenny's story the Top Fuelers came out and got my attention when they did their burnout then HOT DAMN when the thing took off and almost put me out of my chair.. I thought

'OK! I get that shit!!' haha

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why am I reading this? ..... Oh christ, now I'm posting...... shiiiiiiiit!!

8/1/2021 9:20 PM

chuckie108 wrote:

If you’re curious why Hunter even cares, probably has something to do with these Interesting TF stats:


* One dragster's ...more

Another fact that is impressive

If a motogp bike goes past at top speed the drag car will beat it to the finish line from a standing start

(That may not be accurate but I'd have to be way better at maths to refute it haha)

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why am I reading this? ..... Oh christ, now I'm posting...... shiiiiiiiit!!

8/2/2021 11:55 PM

Skuzzy29 wrote:

Standing trackside at the finish is mind blowing. You see the car shake at the start, then you finally hear it and it goes ...more

I stood at the end of the track at Pomona one year. We were jaw jackin' with an NHRA official. Every time a car went by he ducked behind the K rail, he said there is sometimes too much shrapnel at the finish line. You're right about the sound impulse when the car goes by. It's a feeling beyond noise.

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The older I get, the faster I was.

8/3/2021 2:24 AM

Skuzzy29 wrote:

Standing trackside at the finish is mind blowing. You see the car shake at the start, then you finally hear it and it goes ...more

captmoto wrote:

I stood at the end of the track at Pomona one year. We were jaw jackin' with an NHRA official. Every time a car went by he ...more

Standing mid track at Norwalk in Ohio the ground literally shakes under your feet. The rear tires are grow I don't know how much in diameter and the car is basically a slightly guided missile with flames skyrocketing out of the headers. It is impressive!

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8/3/2021 5:22 AM

My last ride was just shy of 3000 hp. The feeling at the end of a run when dual parachutes hit is pretty extreme yet comforting because you’re confident you be able to make the turn off at the end of the track. Photo

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