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Hybrid Vehicles Honda Civic Hybrid Civic Hybrid vx Civic LX - How many miles before I break even?
34 messages, Last post on Feb 22, 2008 at 6:30 PM
You are in the Honda Civic Hybrid Forum. Your Host is pf_flyer
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Replying to: ny1911 (Mar 31, 2006 5:35 pm) Can you explain this to me? |
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Replying to: rysa4 (Mar 31, 2006 9:36 pm) |
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Replying to: rysa4 (Mar 31, 2006 9:36 pm) The prius was designed as a hybrid, and it has a more powerful electric motor. The civic is a basic parallel configuration, which works well, but is an adaptation of an existing platform. HAving said all of this, I don't know which one I would select. It really would come down to driveability, and I haven't driven the newest versions of either car.
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Replying to: ny1911 (Apr 01, 2006 4:48 am) I would absolutely love to find out where you heard that. Do you remember? That isn't even remotely correct, and it's very easy to disprove too. Just try explaining how the engine is started while in reverse... which happens to me every single morning I pull out of the garage. That's too slow and the opposite direction. Anywho, the way the engine actually starts is the smaller of the two motors spins it all the way up to idle speed, waits for oil pressure to be established, then injects fuel and sparks. JOHN |
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Replying to: ny1911 (Apr 01, 2006 4:48 am) Of course that number is based on testing procedure which perhaps represents the engines comparatively moreso than the electric motors. At this point, I dont own either car FYI. |
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Replying to: john1701a (Apr 01, 2006 4:59 am) Maybe you aren't considering the flexibility afforded by the planetary gear set?
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Replying to: john1701a (Apr 01, 2006 4:59 am) |
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Replying to: ny1911 (Apr 01, 2006 9:38 pm) That particular engine activity is just the by-product of RPM exceeding a maximum, not the usual startup process. And just because the engine is in motion at speeds above 42 MPH, does not mean it is actually using any fuel. JOHN
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Replying to: john1701a (Apr 02, 2006 5:33 am) John, are you referring to the ICE? If it is not using fuel, but is turning, that would mean it is dragging down MPG, right? Otherwise how can an ICE be in motion without consuming fuel? |
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If it is turning but not using gas, then it is braking the vehicle. How severe that is depends on the compression and friction of the engine. But this is nothing new. In my old '87 VW, when I took my foot off of the accelerator, the fuel would cut off. I still consider such an engine to be "running" though In order for the vehicle to stay moving without the engine using fuel, it must either be coasting or be driven by the electric motor...which would be an inefficient design. With the Prius, if the engine is not running (or being started,) it should not be spinning. |
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