Car Q & A
- Thread starter sinbad
- 27 comments
- 832 views
. Like I said, I may be wrong.
- 4,473
HP=Horespower
BHP=Brake Horse Power
IMO there isnt too much of a difference, as long as its fast and elegant...
BHP=Brake Horse Power
IMO there isnt too much of a difference, as long as its fast and elegant...
- 8,128
- 2 smacks past uranus
- Somebodyshootme
actually Cobraboy was right with his statement, most car manufactures measure Hp on the flywheel. A good example of this is the SRT-4 by dodge. They state that the HP on the car is 217hp. That is on the flywheel, but the wheel hp is actually more which is strange. It measured out to be 223hp on the wheels. That is very uncharacteristic of HP because you normally lose HP at the wheels. On a side comment, show me a honda that gains HP at the wheels, you won't find one.
- 4,473
217 at the flywheel, 215 at the wheels. You lose some HP through the drivetrain...
- 8,128
- 2 smacks past uranus
- Somebodyshootme
no actually a few documented tests on dynos put thiscar with 223hp. The best source I have is Sport Compact Car, but it gained through the drive train, check it out
http://sportcompactcarweb.com/features/0302scc_neon/
http://sportcompactcarweb.com/features/0302scc_neon/
- 916
Miata 13B said:
.actually Cobraboy was right with his statement, most car manufactures measure Hp on the flywheel. A good example of this is the SRT-4 by dodge. They state that the HP on the car is 217hp. That is on the flywheel, but the wheel hp is actually more which is strange. It measured out to be 223hp on the wheels. That is very uncharacteristic of HP because you normally lose HP at the wheels. On a side comment, show me a honda that gains HP at the wheels, you won't find one.
I know BHP is usually measured at the flywheel not the wheels, but you still do not explain what the "Brake" in BHP means and the difference between HP and BHP.
.actually Cobraboy was right with his statement, most car manufactures measure Hp on the flywheel. A good example of this is the SRT-4 by dodge. They state that the HP on the car is 217hp. That is on the flywheel, but the wheel hp is actually more which is strange. It measured out to be 223hp on the wheels. That is very uncharacteristic of HP because you normally lose HP at the wheels. On a side comment, show me a honda that gains HP at the wheels, you won't find one.
I know BHP is usually measured at the flywheel not the wheels, but you still do not explain what the "Brake" in BHP means and the difference between HP and BHP.
- 4,473
Cars actually lose HP through the transfer of the power through the drivetrain. Ive looked through every part at the Dodge site. I'll send them an Email and see what response I get just in case Im wrong and making myself look like an a**hole.....
- 4,473
You know what I find alot of people are doing wrong with the SRT4? They call it a Neon when it isnt, it's only based on it. Has a different engine (made in cooperation with the PT Turbo's engine, though not the same) among other things (Like Viper style seats!)...
- 10,081
- WFG9
Hp is is generic, bhp is measured on a brake test dyno.
- 1,695
An actual Horsepower, is the measure of how much work something can do. If you have a winch with 1 Horsepower. it can pull 33,000lbs 1 foot in an hour. Or it could pull 1 lb 33,000ft in an hour. Or it could pull 3,300lbs 10ft in an hour, or 330lbs 100ft in an hour. Do you under stand, any combination of those ratios is 1 horsepower. So if you had 2 hp it could do twice as much work.
So 1 horsepower is actually 33,000 ft-lbs/hour, or 550 ft-lbs/minute.
So if you had a car with (only one gear; having different gears, gets more out of horsepower than the formula accounts for. And)100hp, it could pull 3,300lbs 1000ft in 1 hour.
Now, what BHP, Brake-Horsepower is, is just clarifying the way that the power was measured.
What they do is, hook the engine to be tested up to a disc that can spin. That disc is hooked up to actual brakes that can clamp the disc being spun by the engine. So, this is all hooked up to a computer of course. The engine will start to rev, and for every increment of rpm, i.e. 1,100rpm, 1,110rpm, 1,120rpm etc the computer applys braking pressure to the disc that is connected directly to the crankshaft of the engine. So, the computer measures how much brake pressure the engine could overpower before revs start to drop. They measure this "power" ft-lbs of torque. So, they now have the torque figure for every spot on the rev range. And, the formula for Horsepower is: TQ x RPM/5252 and the computer also tells what the Horsepower is, for every spot on the rev range. The engine still has that much horsepower, but stating that it is BHP is just clarifying the way in which it was measured.
Congratulations, you read the whole thing! I would imagine, you will have to read it 2 or 3 times to fully understand what I amk saying, because it is all very condensed, without much explanaition. Feel free to PM me if you want any more details.
So 1 horsepower is actually 33,000 ft-lbs/hour, or 550 ft-lbs/minute.
So if you had a car with (only one gear; having different gears, gets more out of horsepower than the formula accounts for. And)100hp, it could pull 3,300lbs 1000ft in 1 hour.
Now, what BHP, Brake-Horsepower is, is just clarifying the way that the power was measured.
What they do is, hook the engine to be tested up to a disc that can spin. That disc is hooked up to actual brakes that can clamp the disc being spun by the engine. So, this is all hooked up to a computer of course. The engine will start to rev, and for every increment of rpm, i.e. 1,100rpm, 1,110rpm, 1,120rpm etc the computer applys braking pressure to the disc that is connected directly to the crankshaft of the engine. So, the computer measures how much brake pressure the engine could overpower before revs start to drop. They measure this "power" ft-lbs of torque. So, they now have the torque figure for every spot on the rev range. And, the formula for Horsepower is: TQ x RPM/5252 and the computer also tells what the Horsepower is, for every spot on the rev range. The engine still has that much horsepower, but stating that it is BHP is just clarifying the way in which it was measured.
Congratulations, you read the whole thing! I would imagine, you will have to read it 2 or 3 times to fully understand what I amk saying, because it is all very condensed, without much explanaition. Feel free to PM me if you want any more details.
- 8,128
- 2 smacks past uranus
- Somebodyshootme
Brake horsepower is a calculation where the engine horsepower is measured at the point of output with no load from a chassis or any accessories and with fuel and ignition operations under ideal conditions. - I was in left field for this one. I'll take a double d'oh for being wrong here. here is a link for it http://vintagecars.about.com/library/weekly/aa041198.htm -
- 24,344
- Midlantic Area
- GTP_Duke
Why would having a different engine option make it a different car? Is a 6 cylinder Camry not a Camry, but a 4 cylinder one is? The fascias and interior trim different, but is a Mustang GT not a Mustang because it is different from the LX in the same way? That makes no sense.
The SRT-4 is a Neon through and through. The 2.4 DOHC shares the same head and valvetrain as the original 2.0 DOHC. Both the 2.0 DOHC and the 2.0 SOHC Neon engines share the same block, and in fact it is nearly the same block as the 2.4 DOHC, which has 1" longer stroke to make up the extra displacement. The transaxle is based on the NVH-350, but beefed up to handle the extra toruque, and with equal-length half shafts to minimize torque steer and digffferential slip.
The struts are stiffened versions of the stock Neon pieces (not the cool adjustable Dynamic Suspension struts found on the ACR, unfortunately).
The turbo 2.4 found in both the SRT and the GT Cruiser are both derived from the first genereation Mexican-market Stratus R/T turbo, though with improvements to the head design and to the valvetrain components.
- 24,344
- Midlantic Area
- GTP_Duke
I know people on the PVO team. The SRT needed to retail for under $20,000 and require a modest number of special parts in order to be greenlighted for production. There were a lot of people, including the line workers at the Belvidere plant, who put their heads together to make this thing a reality and give the finger to the Daimler/Benz management fascists who were looking for any excuse to kill it.
The equal-length halfshafts will really help reduce torque steer if not eliminate it. Plus, you'll be able to get a real Quaife torque-sensing LSD for $1400 or so through MP. That's not AWD, true, but it's still damn cheap for that much fun.
PS to 13B: I was heartbroken to hear about the death of your car. Was it parked, or were you driving?
The equal-length halfshafts will really help reduce torque steer if not eliminate it. Plus, you'll be able to get a real Quaife torque-sensing LSD for $1400 or so through MP. That's not AWD, true, but it's still damn cheap for that much fun.
PS to 13B: I was heartbroken to hear about the death of your car. Was it parked, or were you driving?
- 8,128
- 2 smacks past uranus
- Somebodyshootme
Yeah, I was walking out of work one night, and this upper management guy apparently waas real drunk leaving and reversed full speed into the car at an angle running over the fronet left and got his rear tire stuck in between my driver seat and passanger seat. The bottom of the SUV laid there resting all its weight on the engine because the hood caved in. Finally when we got that truck off the car, the engine had maintained over 3000lbs dropped to the ground because of broken engine mounts and wrecked the oil pan 
. At least it was an upper management guy at work here thoguh 
I am riding his ass right now for insurance money.
I know it sucks Neon, but thank you for the concern.
. At least it was an upper management guy at work here thoguh I am riding his ass right now for insurance money.I know it sucks Neon, but thank you for the concern.
Gran Turismo7058
(Banned)
- 4,860
There are the same just said differant.
