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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: 12,423
Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,423
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: 20,205
Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,205
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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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. 
