does weight effect 1/4 times?
06-06-2002, 10:48 PM
#2
all depends on which car you're driving and it's weight/power.
adding 150lb on a max will hurt it worse than adding 150lb on a fullsize truck.
it will fare better than a honda with 150lb or cargo though.
a rough guess for a Max is about 0.1 sec.
adding 150lb on a max will hurt it worse than adding 150lb on a fullsize truck.
it will fare better than a honda with 150lb or cargo though.
a rough guess for a Max is about 0.1 sec.
06-07-2002, 03:52 AM
#4
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Posts: 252
Originally posted by darksands
I heard that every hundred lbs is .1 seconds... Which is about one car length.
I heard that every hundred lbs is .1 seconds... Which is about one car length.
06-07-2002, 04:48 AM
#5
Theblue and Ejj were running 14.5 and 14.6 all night at the track and then they each took on 400lbs or passengers and ran and blue ran a 16.8 and EJJ ran a 17.2 think it slows you down.
06-07-2002, 06:26 AM
#6
Originally posted by dmbmaxima88
Theblue and Ejj were running 14.5 and 14.6 all night at the track and then they each took on 400lbs or passengers and ran and blue ran a 16.8 and EJJ ran a 17.2 think it slows you down.
Theblue and Ejj were running 14.5 and 14.6 all night at the track and then they each took on 400lbs or passengers and ran and blue ran a 16.8 and EJJ ran a 17.2 think it slows you down.
06-07-2002, 07:24 AM
#8
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Posts: 968
nismo2020 and i ran at the track, i lost by .1 sec(high 15.1 vs. high 15.2) that equalled to about 1/2 car length. about the weight though...our power to weight ratio is about .057 hp/lbs. So if ur carrying a passenger of about 160 lbs, then ur losing bout 9 hp. for comparision, my buddy w/ an e46 m3, he would lose close to 16 hp. i'm not sure if 9 hp would equal to .1 sec though...
Originally posted by darksands
I heard that every hundred lbs is .1 seconds... Which is about one car length.
I heard that every hundred lbs is .1 seconds... Which is about one car length.
06-07-2002, 12:24 PM
#10
I personally believe that the 100 lb = 0.1 is crap. When I have five people in my car I feel it, it's gotta be worth like a second at least, if not two seconds.
I think the more weight in the back of the car is worse.
I think the more weight in the back of the car is worse.
06-07-2002, 01:31 PM
#13
Re: does weight effect 1/4 times?
Originally posted by BLacKMax69
if so does any1 know how many .1 secs are equal to 150 lbs in the trunk???
if so does any1 know how many .1 secs are equal to 150 lbs in the trunk???
06-07-2002, 02:00 PM
#15
Originally posted by theblue
removing weight is the cheapest and easiest way to make a car faster.. why do you think there are so many stripped civics...
removing weight is the cheapest and easiest way to make a car faster.. why do you think there are so many stripped civics...
06-07-2002, 02:58 PM
#17
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Posts: 968
Re: Re: does weight effect 1/4 times?
1/2 sec is a lot to loose from just removing junk from the back. there are a lot of factors that could effect ur time...temp, humidity, etc. or maybe u just got better at launching the car! check ur 60' times. i think something like a .1 improvement = .15-.2 improvement in 1/4 time.
Originally posted by deezo
I lost .5 seconds off my times at Maxus just from removing all the crap (tires, tools, crap) out of my trunk.
I lost .5 seconds off my times at Maxus just from removing all the crap (tires, tools, crap) out of my trunk.
06-07-2002, 09:01 PM
#19
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:o)
I did the math once (bored in class) and, using a HP formula, I figured out that it is almost exactly linearly a .15s 1/4 mile ET reduction for every 100 lb shed from the car. However, in real life, when I took my ~200 lb friend out with me one night, my times were, on average, 0.6s higher which would equate to 0.30s per 100 lb. Either way, weight is bad.
06-08-2002, 07:10 PM
#23
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Join Date: Apr 2002
Posts: 80
Re: does weight effect 1/4 times?
Originally posted by BLacKMax69
if so does any1 know how many .1 secs are equal to 150 lbs in the trunk???
if so does any1 know how many .1 secs are equal to 150 lbs in the trunk???
06-08-2002, 07:50 PM
#24
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i'm not exactly sure but i thought that hoods weight about 50-60 lbs and carbon fiber hoods were about 20? of course, i could be way off!
Originally posted by pro
Since on the subject, about how much weight do you take off by getting a CF hood?
Thanks,
Paul
Since on the subject, about how much weight do you take off by getting a CF hood?
Thanks,
Paul
06-09-2002, 07:37 PM
#25
Re: It kinda sucks...
Originally posted by My 4DSC
...being 6'6" 320 lbs.
...being 6'6" 320 lbs.
but who cares i still get the women
06-10-2002, 04:57 AM
#27
Dyno plot says I have the most area under the Administrator curve
Join Date: Jul 2001
Posts: 7,060
Re: Re: It kinda sucks...
Originally posted by dmbmaxima88
damn i thought i was handicapped, 6 feet 235lbs. i should have mattsy drag my car that scrawny bish.
damn i thought i was handicapped, 6 feet 235lbs. i should have mattsy drag my car that scrawny bish.
Being big has other advantages though
06-10-2002, 10:27 AM
#30
please answer this is it really noticable if you take the spare tire out of the trunk? i think it will be to no advantage cause it doesn't weight that much but i undersatnd that weight is weight
06-10-2002, 10:33 AM
#31
Originally posted by TRUblu2K2
please answer this is it really noticable if you take the spare tire out of the trunk? i think it will be to no advantage cause it doesn't weight that much but i undersatnd that weight is weight
please answer this is it really noticable if you take the spare tire out of the trunk? i think it will be to no advantage cause it doesn't weight that much but i undersatnd that weight is weight
06-10-2002, 11:33 AM
#33
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Re: :o)
Originally posted by ptatohed
The 'donut' weighs 27lb. Which 'theoretically' is equal to ~0.04s in your 1/4 mile.
The 'donut' weighs 27lb. Which 'theoretically' is equal to ~0.04s in your 1/4 mile.
How did you come up with this figure? Or are you just BSing?
The way I see it, any weight in the rear on this FWD car is weight off the front drive wheels. I'd be more concerned about traction rather then the engine overcoming the inertia to move the extra weight. Thats why I also love my new stiff suspension, less weight transfer.
06-10-2002, 11:45 AM
#34
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Re: Re: :o)
Originally posted by ericdwong
How did you come up with this figure? Or are you just BSing?
The way I see it, any weight in the rear on this FWD car is weight off the front drive wheels. I'd be more concerned about traction rather then the engine overcoming the inertia to move the extra weight. Thats why I also love my new stiff suspension, less weight transfer.
How did you come up with this figure? Or are you just BSing?
The way I see it, any weight in the rear on this FWD car is weight off the front drive wheels. I'd be more concerned about traction rather then the engine overcoming the inertia to move the extra weight. Thats why I also love my new stiff suspension, less weight transfer.
No I'm not b.s.ing. If you look at my post a page or so ago, you'll see I used a HP formula to figure out that every 100lb is equal to ~0.15s. Therefore 27lb is equal to (27/100)(.15)=0.04s.
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