[Vision2020] "Acceleration" Defined

g. crabtree jampot at adelphia.net
Thu Jan 12 07:01:51 PST 2006 

No, Sunil that was senseodyne. the Terminator was seeking relief from sore 
choppers. Intense pain drove them to chase Linda Hamilton all over southern 
California in search of a dental plan. Strangely enough this was eventually 
found in Sacramento.

gary
----- Original Message ----- 
From: "Sunil Ramalingam" <sunilramalingam at hotmail.com>
To: <starbliss at gmail.com>; <thansen at moscow.com>
Cc: <vision2020 at moscow.com>
Sent: Thursday, January 12, 2006 5:08 AM
Subject: Re: [Vision2020] "Acceleration" Defined


> Ted,
>
> Isn't Rocketdyne the outfit that manufactured the Terminators that menaced 
> Los Angeles in the late 1980s and early 1990s?
>
> Sunil
>
>
>>From: Ted Moffett <starbliss at gmail.com>
>>To: Tom Hansen <thansen at moscow.com>
>>CC: Moscow Vision 2020 <vision2020 at moscow.com>
>>Subject: Re: [Vision2020] "Acceleration" Defined
>>Date: Thu, 12 Jan 2006 00:15:42 -0800
>>
>>Tom et. al.
>>
>>You seemed to miss the joke in my suggestion that the CBD could become a
>>Trinitarian Village like "Chinatown" in some large US cities, but this is 
>>no
>>joke:
>>
>>You want horsepower?  Forget the dragster!  How about engines in one
>>"machine" with the output of 13 Hoover Dams?
>>
>>Try this:
>>
>>http://www.boeing.com/defense-space/space/propul/SSMEamaz.html
>>
>>Rocketdyne's Space Shuttle Main Engine operates at greater temperature
>>extremes than any mechanical system in common use today. The liquid 
>>hydrogen
>>fuel is -423 degrees Fahrenheit, the second coldest liquid on Earth. When
>>the hydrogen is burned with liquid oxygen, the temperature in the engine's
>>combustion chamber reaches +6000 degrees Fahrenheit - that's higher than 
>>the
>>boiling point of Iron.
>>
>>
>>    - The maximum equivalent horsepower developed by the three SSMEs is
>>    just over 37 million horsepower.
>>    - The energy released by three of Rocketdyne's Space Shuttle Main
>>    engines is equivalent to the output of 13 Hoover Dams.
>>    - Although not much larger than an automobile engine, the SSME
>>    high-pressure fuel turbopump generates 100 horsepower for each pound 
>> of its
>>    weight, while an automobile engine generates about one-half horsepower 
>> for
>>    each pound of its weight.
>>    - Even though Rocketdyne's SSME weighs one-seventh as much as a
>>    locomotive engine, its high-pressure fuel pump alone delivers as much
>>    horsepower as 28 locomotives, while its high-pressure oxidizer pump 
>> delivers
>>    the equivalent horsepower for 11 more.
>>    - If water, instead of fuel, were pumped by the three Space Shuttle
>>    Main Engines, an average family-sized swimming pool could be drained 
>> in 25
>>    seconds.
>>    - The SSME high-pressure fuel turbopump main shaft rotates at 37,000
>>    rpm compared to about 3,000 rpm for an automobile operating at 60 mph.
>>    - The discharge pressure of an SSME high-pressure fuel turbopump could
>>    send a column of liquid hydrogen 36 miles in the air
>>
>>------------------
>>
>>Ted Moffett
>>
>>
>>On 1/10/06, Tom Hansen <thansen at moscow.com> wrote:
>> >
>> >  "Acceleration" as defined by Keith Black (http://www.keithblack.com)
>> >
>> >
>> >
>> >
>> >
>>----------------------------------------------------------------------------------------------------------------
>> >
>> >
>> >
>> > One top fuel dragster 500 cubic inch Hemi engine makes more horsepower
>> >
>> > than the first 4 rows of stock cars at the Daytona 500.
>> >
>> >
>> >
>> > Under full throttle, a dragster engine consumes 1-1/2 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 drive the
>> >
>> > dragster's supercharger. With 3,000 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 1.7:1 air/fuel mixture of nitro methane, the flame front
>> >
>> > temperature measures 7,050 deg F.
>> >
>> >
>> >
>> > Nitro methane 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 halfway, the engine is dieseling from
>> >
>> > compression, plus the glow of exhaust valves at 1,400 deg 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.
>> >
>> >
>> >
>> > In order to exceed 3 00 mph in 4.5 seconds, dragsters must accelerate 
>> > an
>> >
>> > average of over 4G's. In order to reach 200 mph (well before
>> >
>> > half-track), the launch acceleration approaches 8G's.
>> >
>> >
>> >
>> > Dragsters reach over 300 miles per hour before you have completed
>> >
>> > reading this sentence. 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 9,500 rpm.
>> >
>> > Assuming all the equipment is paid off, the crew worked for free, and
>> >
>> > for once NOTHING BLOWS UP, each run costs an estimate $1,000.00 per
>> >
>> > second.
>> >
>> >
>> >
>> > The current top fuel dragster elapsed time record is 4.441 seconds for
>> >
>> > the quarter mile (10/05/03, Tony Schumacher). The top speed record is
>> >
>> > 333.00 mph (533 km/h) as measured over the last 66' of the run
>> >
>> > (09/28/03 Doug Kalitta).
>> >
>> >
>> >
>> > Putting all of this into perspective, picture this scenario:
>> >
>> > 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
>> >
>> > and 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 and pass the dragster at an
>> >
>> > honest 200 mph. The "tree" goes green for both of you at that moment.
>> >
>> >
>> >
>> > The dragster launches and starts after you. You keep your foot down
>> >
>> > hard, but you hear an incredibly brutal whine that sears your eardrums
>> >
>> > and within 3 seconds, the dragster catches and 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 and not only caught, but nearly blasted you off the road when he
>> >
>> > passed you within a mere 1,320 foot long race course.
>> >
>> >
>> >
>> >
>> >
>>----------------------------------------------------------------------------------------------------------------
>> >
>> >
>> >
>> > And that, my friend, is ACCELERATION!
>> >
>> >
>> >
>> > Take care, Moscow.
>> >
>> >
>> >
>> > Tom Hansen
>> >
>> > Moscow, Idaho
>> >
>> >
>> >
>> > "Life should NOT be a journey to the grave with the intention of
>>arriving
>> > safely in an attractive and well preserved body, but rather to skid in
>> > sideways, chocolate in one hand, a drink in the other, body thoroughly
>>used
>> > up, totally worn out and screaming 'WOO HOO. What a ride!'"
>> >
>> >
>> >
>> > _____________________________________________________
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>> >  serving the communities of the Palouse since 1994.
>> >               http://www.fsr.net
>> >          mailto:Vision2020 at moscow.com
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>> >
>> >
>> >
>
>
>>_____________________________________________________
>>  List services made available by First Step Internet,
>>  serving the communities of the Palouse since 1994.
>>                http://www.fsr.net
>>           mailto:Vision2020 at moscow.com
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>
>
> _____________________________________________________
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