C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

lb-ft to kW conversion

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Old Dec 3, 2002 | 03:00 PM
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lb-ft to kW conversion

According to MB, the C230Kompressor has 200lb-ft of torque, what does it convert to kW? Anyone has the formula handy? Thanks!!
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Old Dec 3, 2002 | 03:06 PM
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its actually 207ft/lb and also i think u can only convert hp to kw....not sure.
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Old Dec 3, 2002 | 03:09 PM
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Yes, your units are confused a bit.. HP converts to kW.

Torque can be converted to Nm, which is the usual metric unit. 207 lb-ft converts to 280.692 Nm.

See this for a nice conversion table.
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Old Dec 3, 2002 | 03:39 PM
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Ooops, sorry, I was reading several lines at the same time. My mistake, I meant lb-ft to Nm...

Now I understand, thank you very much!!:p
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Old Dec 3, 2002 | 03:40 PM
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Originally posted by tberry
its actually 207ft/lb and also i think u can only convert hp to kw....not sure.
From MBUSA's current website:

Engine and Drivetrain

Engine 1,796-cc intercooled supercharged DOHC 16-valve inline-4 with dual balance shafts. High-pressure die-cast alloy cylinder block, alloy heads.

Net power 189 hp @ 5,800 rpm

Net torque 192 lb-ft @ 3,500 - 4,000 rpm

(The old 2.3 had 200 lb-ft of torque)
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Old Dec 3, 2002 | 04:47 PM
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Kilowatts (kw) translates into horsepower, and every kilowatt is about 1.36 horsepower (so multiply the kw figure by 1.36 to get the hp)

Newton-meters (nm) are the standard measure of torque, and the each nm equals roughly .74 lb-ft. Neither of these numbers are scientific, but they will get you in the area.
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Old Dec 3, 2002 | 04:58 PM
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207 LB-FT is the figure in the manual.
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Old Dec 3, 2002 | 07:53 PM
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Also the JSUC:

http://malamas.com/jsuc/jsuc.html
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Old Dec 3, 2002 | 10:23 PM
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torque

Originally posted by MacPhisto
The old 2.3 had 200 lb-ft of torque
Actually, 280 Nm, which is....a tick under 207 lbs.ft

(See above)

The 2.3 manual has the correct figure; M-B 2002 sales literature, etc was unduly pessimistic.
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Old Dec 4, 2002 | 06:11 PM
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mdp c230k's Avatar
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Try this site to convert anything to anything:http://www.efunda.com/formulae/formula_index.cfm

You'll love it!
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Old Dec 4, 2002 | 07:03 PM
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I find it amusing that something as simple as a fixed conversion, agreed upon by scientific authorities around the world, can spark a debate like this.

Perhaps we should rename it to the 'MBDebateWorld Forums'
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