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Nitromethane
#384303
07/23/09 02:55 PM
07/23/09 02:55 PM
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Joined: Aug 2005
Posts: 637
Sao Paulo, Brazil
dart_73_br
OP
mopar
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OP
mopar
Joined: Aug 2005
Posts: 637
Sao Paulo, Brazil
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What do you think of this guys !? Really works !? Dangerous !?
Sorry, had to translate it on Google...
"The nitromethane is applied as combustible in race cars, rockets and aircrafts.
The oxygen contained in the nitromethane allows a lesser air burning (oxygen) atmospheric in comparison with other hydrocarbons with the gasoline.
To burn 1 kg of gasoline 14.6 kg of air (oxygen) are necessary, 1 kg of nitromethane need only 1.7 kg, a time that each cycle of the engine can
contain only one limited amount of air, can burn 8.7 times nitromethane than the gasoline (the level of the sea).
However, the set free energy for the nitromethane is lesser, while the burning of the gasoline liberates between 42 and 44 million Joules for kilo (MJ/kg),
the nitromethane liberates 11.3 MJ/kg. From these data, one concludes that the nitromethane generates 2.3 times approximately more than the power of the
gasoline when combined in the certain ratio with atmospheric air. The nitromethane (CH3NO2) is miscible in alcohol, methanol, that are methylic alcohol,
gasoline, among others, being usually combined with the two first ones. In general 10% are applied in 5% mixtures, for engines of high tax of compression
or with turbo, and of up to 40% for engines of low tax of compression and natural aspiration. Had to the power increase, it is recommended reinforcement
in the engine to prevent reduction of the useful life. The profit of power with the nitromethane happens of the presence of oxygen in its molecule,
causing a effect of similar overfeeding to the one of nitrous oxide (NO2).
This oxygen is used in the fuel burning, allowing the injection of bigger amount of fuel.
Part of the molecule (CH3) also is combustible and the N does not participate of the burning, forming N2.
The profit in the use of the nitromethane is not accurately for increase of the calorific power, but for allowing the injection of more combustible
for one same air mass, since it loads part of the oxygen for the burning in its proper molecule.
Mixtures with alcohol, methanol and nitromethane attack components not proteges, as injector peaks and other parts citizens the corrosion.
This to a large extent happens for these fuels to contain oxygen in its molecules. Alcohol and methanol, in turn, increase the antiknock index (IAD),
that it indicates the trend to the detonation of the fuel, in the direct ratio of the mixture.
The gasoline they mixed gain octanagem.
The components of the engine and its regulation must be adjusted for the use of the new mixture when this will be being used.
The literature found in the site is only for informal consultation, the Nitrometano ProŽ Magma is vendido for fuel purpose, as additive,
we do not make responsible in them for no damage or bad use of the product. Before preparing its fuel a specialist always consults,
takes all the necessary precautions for the manuscript."
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Re: Nitromethane
[Re: HemiGreg]
#384305
07/23/09 04:06 PM
07/23/09 04:06 PM
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Joined: Oct 2004
Posts: 8,165
Left Coast
BobR
master
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master
Joined: Oct 2004
Posts: 8,165
Left Coast
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Quote:
 uh yea!!
why do you think they have Nitro funny cars making 4000 hp. tuning got to be special for it 
Actually nitro burning top fuel and funny cars have something north of 6000 horsepower. It does not mix well with gasoline and you had better know what you are doing or you will ruin a lot of stuff finding out.
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Post deleted by Defbob
[Re: BobR]
#384306
07/23/09 04:17 PM
07/23/09 04:17 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Re: Nitromethane
#384307
07/23/09 04:26 PM
07/23/09 04:26 PM
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Joined: Jan 2003
Posts: 21,080
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,080
Niles , Ohio
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I agree Nitro explodes.My buddy had a nitro Harley drag bike.You should ask him about the 15K motor that was brand new.Fired and stalled.Didnt clear the cylinders and cranked it.One guy was almost killed by a big chunk of the motor that flew by his head and embedded in the wall.Rocky
Chrysler Firepower
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Post deleted by Defbob
[Re: emarine01]
#384309
07/23/09 04:30 PM
07/23/09 04:30 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Re: Nitromethane
#384310
07/23/09 05:30 PM
07/23/09 05:30 PM
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Joined: Aug 2004
Posts: 1,413
Newark,Ohio
kissmyaspen
pro stock
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pro stock
Joined: Aug 2004
Posts: 1,413
Newark,Ohio
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its a lot of fun... and i miss it..
79 Dodge Aspen
12.265 at 109.75 MPH
67 Satellite NSS/E
11.83 @ 110
1968 Plymouth Road Runner 472 Hemi
3 time MOPAR NATIONALS CHAMP '03 FWD and '06 & '09 Street.
'07, '10, '12 Mopar Nats runner-up Street.
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Re: Nitromethane
[Re: kissmyaspen]
#384313
07/23/09 06:34 PM
07/23/09 06:34 PM
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Joined: Oct 2004
Posts: 8,165
Left Coast
BobR
master
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master
Joined: Oct 2004
Posts: 8,165
Left Coast
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Quote:
its a lot of fun... and i miss it..
Get yourself a Procharged Outlaw 10.5 car and dig right in.
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Post deleted by Defbob
[Re: RAT PATROL]
#384315
07/24/09 10:14 AM
07/24/09 10:14 AM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Re: Nitromethane
[Re: dart_73_br]
#384317
07/24/09 04:25 PM
07/24/09 04:25 PM
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Joined: Sep 2004
Posts: 1,828
houston texas
gremlinsteve
top fuel
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top fuel
Joined: Sep 2004
Posts: 1,828
houston texas
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yep. it is a learning curve...
one of my first mistakes was to assume the percentage when at a race. weather moved i n (front) dropping temps enough that i lost around 4 full percentage points on the load.
made a differance that could be heard and felt when the bike was running...learned the hard way as i lost that round.
steve-o
if You Like Gremlinsteve. Gremlinsteve Likes You.
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Post deleted by Defbob
[Re: dart_73_br]
#384319
07/24/09 08:16 PM
07/24/09 08:16 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Re: Nitromethane
#384320
07/25/09 01:13 AM
07/25/09 01:13 AM
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Joined: Sep 2004
Posts: 1,828
houston texas
gremlinsteve
top fuel
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top fuel
Joined: Sep 2004
Posts: 1,828
houston texas
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yea. you need to get the specific gravities and the equipment to measure it. the percentage will always change. hence the need to measure and mix just before the pour
steve
if You Like Gremlinsteve. Gremlinsteve Likes You.
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Re: Nitromethane
[Re: gremlinsteve]
#384321
07/25/09 06:11 AM
07/25/09 06:11 AM
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Joined: Apr 2007
Posts: 871
WA 98043
thecarfarmer
super stock
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super stock
Joined: Apr 2007
Posts: 871
WA 98043
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I've always wanted to play w/ nitromethane but never had the $$$.
I'd wanted to play w/ hydrazine. Until I did some research about how dangerous it is - just to handle and store. That's before you even get it in the car.
It makes that hexavalent chromium from Erin Brockovich look like vitamin water or something.
(gotta' watch that movie again... Julia Roberts... mmmm...)
-Bill
Seduce the attractive, and charm the rest.
******
489 C.I.D., roller cam, aftermarket heads, tunnel ram, stock '54 Dodge rear axle assembly: which of these doesn't belong?
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Re: Nitromethane
[Re: therocks]
#384325
07/25/09 01:48 PM
07/25/09 01:48 PM
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Joined: Oct 2007
Posts: 4,210
New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,210
New York
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Nitro explodes?
Why does this still get posted?
If it exploded, how long would a fuel engine last?
Until the plug fired the first time...
Boffin Emeritus
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Re: Nitromethane
[Re: polyspheric]
#384326
07/25/09 02:15 PM
07/25/09 02:15 PM
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Joined: Oct 2004
Posts: 8,165
Left Coast
BobR
master
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master
Joined: Oct 2004
Posts: 8,165
Left Coast
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Quote:
Nitro explodes?
Why does this still get posted?
If it exploded, how long would a fuel engine last?
Until the plug fired the first time...
Exactly. Actually nitro burns pretty slowly. That's why it's still burning when it exits the header pipes resulting in the 6 foot flames you see at night with T/F cars.
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Re: Nitromethane
[Re: BobR]
#384327
07/25/09 02:47 PM
07/25/09 02:47 PM
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Joined: Sep 2004
Posts: 1,828
houston texas
gremlinsteve
top fuel
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top fuel
Joined: Sep 2004
Posts: 1,828
houston texas
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we used to have a saying...
gas is for washing parts
alcohol is for drinking
nitro is for racing
always got a kick out of that one. dont know where it came from.
steve-o
if You Like Gremlinsteve. Gremlinsteve Likes You.
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Re: Nitromethane
[Re: gremlinsteve]
#384328
07/25/09 03:17 PM
07/25/09 03:17 PM
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Joined: Jan 2005
Posts: 12,422
Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,422
Kalispell Mt.
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I thought it was funny on the newest fast and furious the main guy (his name escapes me right now) said nitro was for sissies  I don't think his car made 8000 hp  As for the nitro exploding bit it comes from non-chemists confuseing Nitromethane with Nitroglycerine. Nitroglycerine is explosive, drop a bottle of it on the ground and it explodes, nitromeathane will not do that 
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Nitromethane
[Re: HotRodDave]
#384329
07/25/09 04:03 PM
07/25/09 04:03 PM
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Joined: Jan 2003
Posts: 20,201
Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,201
Park Forest, IL
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Nitromethane has a much different burn rate than gasoline or alcohol. It is harder to get lit, but once it goes, it goes. IIRC, about half the fuel volume run through the motor is simply for cooling to keep the motor from instantly eating itself. NHRA Today had a segment from MSD about the difference in spark from a gas/alky ignition and a fuel magneto. Gas ignition would jump a spark about 3 inches. Mag would shoot a flame out over a foot. 
"Everybody funny, now you funny too."
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Post deleted by Defbob
[Re: polyspheric]
#384330
07/25/09 04:28 PM
07/25/09 04:28 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Re: Nitromethane
#384331
07/25/09 04:38 PM
07/25/09 04:38 PM
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Joined: Sep 2004
Posts: 1,828
houston texas
gremlinsteve
top fuel
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top fuel
Joined: Sep 2004
Posts: 1,828
houston texas
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i had to use the coldest spark plug on my nitro harley. for my application that turned out to be a 5hp briggs and stratton motor plug. it fit the head and worked like a champ. gapped at like .016 also...
steve-o
if You Like Gremlinsteve. Gremlinsteve Likes You.
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Re: Nitromethane
[Re: Hemiroid]
#384335
07/26/09 02:48 AM
07/26/09 02:48 AM
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Joined: Sep 2004
Posts: 1,828
houston texas
gremlinsteve
top fuel
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top fuel
Joined: Sep 2004
Posts: 1,828
houston texas
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kinda like wile e coyote riding the rocket huh! lol
steve
if You Like Gremlinsteve. Gremlinsteve Likes You.
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Re: Nitromethane
[Re: gremlinsteve]
#384336
07/26/09 08:38 AM
07/26/09 08:38 AM
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Joined: Apr 2006
Posts: 729
Lebanon,IN
mr2performance
super stock
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super stock
Joined: Apr 2006
Posts: 729
Lebanon,IN
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I own an injected nitro front engine dragster. 50 in the mag, 90 in the tank, and the whole -1 pump going into the motor on a fifteen pound idle check (7gallon per minute!) Thing sounds like it will turn the earth over. I also have a couple of bracket customers that'll mix 10 to 15 percent just playing around, never hurt a part. Cool stuff, and it's cheaper than c25
MR2PERFORMANCE RACE CARS
765 483 9371
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Re: Nitromethane
[Re: mr2performance]
#384338
07/26/09 09:45 AM
07/26/09 09:45 AM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
I own an injected nitro front engine dragster. 50 in the mag, 90 in the tank, and the whole -1 pump going into the motor on a fifteen pound idle check (7gallon per minute!) Thing sounds like it will turn the earth over. I also have a couple of bracket customers that'll mix 10 to 15 percent just playing around, never hurt a part. Cool stuff, and it's cheaper than c25
I know lot's of guys with injected TADs. Myself I've ran plenty of nitro thru a alky injected 632 big chief pontiac back in 91-94 Quailfied low(#1) at EVERY Spitzer super quick race one year and won a race on nitro. It was a blast, more fun than running a TAD. 
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PLUS 
Also the reason for 60+ deg. of spark advance.
Rolled the mag back in some snowmobiles and tipped the can a bit. Made a few nice passes before a very impressive explosion ended the racing and almost killed me. 
