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Old 10-25-2010, 07:18 PM   #21 (permalink)
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Opposing 2 bangers can be smooth but they need to both fire at the same time. A little rock and roll never hurt anyone anyway.

I would love an underpowered car if the darn thing would net VERY high FE. To me a single or 2 person vehicle should never weigh more than 1000lbs, thats where the magic starts.

"Since Fiat bought Chrysler we may see this engine in a few small cars. Like maybe offer the 2 cylinder in a Dodge Viper?" Might as well put it in the Dodge Ram 1500 crewcab while you are at it.

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Old 10-25-2010, 10:25 PM   #22 (permalink)
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in the Fiat they do fire at the same time. 1000lbs would probably not pass safety regulations unless they use ultra-high-tech materials that would put prices sky-high. Maybe with future technology.

Being a 2-stage turbo this thing has really good potential for FE because that significant amount of torque (i'm comparing it with similar European cars, not American) kicks in at unusually low revs for a gasoline engine ~ 1900-2000rpm. Which probably means a decent 40-50mph in high-gear at 2000rpm.

It is not underpowered, again, comparing it w/ similar size EU vehicles. If they bring it over soon I'll definitely sign-up for a test drive and see how it feels.
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Old 10-26-2010, 12:42 AM   #23 (permalink)
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2 cylinder turbo'd "boxer" engine would be lots of fun, it would idle like a dam tractor but does that matter when your pulling 60mpg out of it??
as for tourque im impressed its almost half of what my 1.2L motor produces (300nm of pushrod power) ,
acceleration would be "snappy" on it but i do believe that it would struggle moving 2 people, especially if it is a 4 stroke
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Old 10-26-2010, 04:02 AM   #24 (permalink)
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It has MORE torque than the 1.4 petrol and more power than one of the diesels! to be honest I think it should make the 1.2 8v obsolete.

I really wish I could have had a drive in the lil rumbler!
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Old 10-26-2010, 07:20 AM   #25 (permalink)
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Quote:
Originally Posted by pounsfos View Post
2 cylinder turbo'd "boxer" engine would be lots of fun, it would idle like a dam tractor but does that matter when your pulling 60mpg out of it??
as for tourque im impressed its almost half of what my 1.2L motor produces (300nm of pushrod power) ,
acceleration would be "snappy" on it but i do believe that it would struggle moving 2 people, especially if it is a 4 stroke
That must be one very heavily modified engine or it's a typo...300Nm out of a 1.2 non-turbo gasoline engine ?

According to the manuals, 3K-H engines have 54 BHP / 83Nm Link
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Old 10-26-2010, 12:37 PM   #26 (permalink)
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Quote:
Originally Posted by Laurentiu View Post
in the Fiat they do fire at the same time. 1000lbs would probably not pass safety regulations unless they use ultra-high-tech materials that would put prices sky-high. Maybe with future technology.

Being a 2-stage turbo this thing has really good potential for FE because that significant amount of torque (i'm comparing it with similar European cars, not American) kicks in at unusually low revs for a gasoline engine ~ 1900-2000rpm. Which probably means a decent 40-50mph in high-gear at 2000rpm.

It is not underpowered, again, comparing it w/ similar size EU vehicles. If they bring it over soon I'll definitely sign-up for a test drive and see how it feels.
Assume you mean that the pistons reach tdc at the same time. Very much doubt that they fire at the same time as that would require one heck of a flywheel.
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Old 10-26-2010, 12:42 PM   #27 (permalink)
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I have several 2 cylinder motorcycles that idle and run smoothly.
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Old 10-26-2010, 12:44 PM   #28 (permalink)
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I remember riding on my Dad's BMW motorcycle, two cylinders opposed. It had a massive flywheel, as was very well balanced. Very smooth bike.

I'm sure the cylinders don't fire at once, they just hit TDC together. A two stroke twin, that would be insane.
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Old 10-26-2010, 12:54 PM   #29 (permalink)
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Here's a video of it working . I'm not too technically inclined so I don't know if they reach TDC at the same time, it just look as if they are moving in perfect tandem.
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Old 10-26-2010, 01:21 PM   #30 (permalink)
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Quote:
Originally Posted by Laurentiu View Post
Here's a video of it working . I'm not too technically inclined so I don't know if they reach TDC at the same time, it just look as if they are moving in perfect tandem.
Around 1:40 the vid shows the camshaft lobes.
It's a classic parallel twin design - both cilinders going up/down in unison - but they fire on different moments.

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