PS = Pferdestärke (literally meaning "Horse Strength").
PS differs from U.K. bhp, which differs from U.S. bhp. The reason is that regulations differ from country to country about the way an engine's power output can be quoted.
Most engine builders quote a bhp figure at a particular revolution rate for the engine (e.g. 89bhp @ 5500 rpm). Bhp can be directly calculated by taking the torque, multiplying by revs and dividing by the infamous "fudge factor" - a constant which is only there to keep the figures manageable.
Now, German regulations are a bit tighter than the U.K. regulations when it comes to measuring the power output, hence PS tends to be lower compared to U.K. bhp. U.S. bhp is notoriously optimistic, as the U.S. regulations allow for the fitting of special manifolds, etc. during dyno testing.
If you want to convert between bhp and PS, multiply the PS figure by 0.9864 to reach the bhp total, or multiply bhp by 1.0139 to get back to PS.
2007-07-15 11:31:59
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answer #1
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answered by Nightworks 7
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Convert Bhp To Ps
2016-12-12 19:45:42
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answer #2
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answered by ? 3
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BPH is measured at the flywheel at the back of the motor while it is on a engine test stand aka a engine dynomometer (engine Dyno...
Horse power without the Brake in front of it usually is reffering to a Horse power measurement taken at the rear wheels using a car drive on style Dynomometer (Car Dyno)
Hence because the difference in where the power measurement is taken the Later is always lower in number
Walt
2007-07-15 09:02:55
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answer #3
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answered by Ronk W 4
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Not sure. BHP is break horse power and it generally what the English use whilst HP is just horse power. Americans tend to look at this. So maybe ps is just HP.
The difference is one measures power to the gears and the other one measures it somewhere else.
Sorry its vague
2007-07-15 08:44:02
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answer #4
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answered by paul g 3
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