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Author Topic: Scania K230UB CNG Demonstrator (BUS 490)  (Read 1778 times)

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Offline King of Buses

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Re: Scania K230UB CNG Demonstrator (BUS 490)
« Reply #100 on: July 16, 2010, 05:05:24 PM »
490 was out yesterday on a 312 From Tuggy.
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Online Metrobus

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Re: Scania K230UB CNG Demonstrator (BUS 490)
« Reply #101 on: July 16, 2010, 07:20:19 PM »
Nothing unusual, the driver is a member, it does the same runs every day.
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Offline CNG

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Re: Scania K230UB CNG Demonstrator (BUS 490)
« Reply #102 on: July 16, 2010, 09:31:00 PM »
I got a few pics of 490 today, however they are on film so they have not been developed, my camera comes from the stone age.
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Offline smitho

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Re: Scania K230UB CNG Demonstrator (BUS 490)
« Reply #103 on: July 17, 2010, 02:07:21 PM »
490 resumed doing regular services on Thursday 15th July...
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Offline PoweredByCNG

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Re: Scania K230UB CNG Demonstrator (BUS 490)
« Reply #104 on: August 11, 2010, 12:59:10 PM »
Performance curves for the Scania OC9 G04 5-cylinder engine.
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Offline Chris_Guru

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Re: Scania K230UB CNG Demonstrator (BUS 490)
« Reply #105 on: August 11, 2010, 05:44:26 PM »
They obviously use a different formula for Nm, as a Cummins and Scania with the same outputs don't pull the same! I think they took the 1100Nm reading with the emissions controls turned off.
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Offline PoweredByCNG

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Re: Scania K230UB CNG Demonstrator (BUS 490)
« Reply #106 on: August 12, 2010, 01:34:03 AM »
Quote from: Chris_Guru on August 11, 2010, 05:44:26 PM
They obviously use a different formula for Nm, as a Cummins and Scania with the same outputs don't pull the same! I think they took the 1100Nm reading with the emissions controls turned off.

Performance curves are provided for full-load only.  Partial load performance will be significantly different but having said that, ~550Nm at idle is very poor and similar to what you'd get from the IVECO Cursor 8 engine used on the Irisbus Citellis.  Mercedes-Benz's gas engine in comparison puts out 1000Nm (185kW) or 1200Nm (240kW) at 650rpm.
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