BSR go ethanol-diesel
This one’s just hit the news today. BSR are doing innovative things again…..
There’s no English translation at BSR’s own site about this yet, but a few of the Swedish news services are running stories about it. ctm has translated one in summary form, from smp.se:
- converted the engine to E95, ethanol with a ethylene glycol (?) based ignition compound
- compression is used to ignite the fuel
- using Diesel engine technology to maximize usage of the fuels energy
- same idea as the Mercedes Diesotto engine - self ignition through compression is more efficient than ignition through a spark plug
- according to BSR: 5ltr per 100km (47mpg in US), 410 Nm, 195 bhp
- conversion is done by raising the compression
- part of the process it to change the pistons
- more expensive than conversion done on petrol engines
- not really an alternative for existing engines, but may be possible as a new type of production engines.
BSR have worked together with SEKAB as part of the EU’s BEST project.
——
My thanks to Oisten and to ctm for the heads-up and the translation.
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Is this also similar to GM’s HCCI engine too?
Also, is it similar in principle to the larger Scania ethanol diesel bus engine which seems to use the same E95 blend. See here.
Oops, now that I’ve read the article, it probably is similar because they both worked with the BEST project.
whoa. An E-something engine that gets 47 MPG? That’s a pretty huge jump right there … if the best gas engines get about the same mileage (and lose up to 30% of that when going to e85) then this seems to be a much better alternative.
Of course, I’m assuming that the trade-off here is that it can now ONLY run the e95 fuel, whereas the less efficeint beasts can usually run more than one fuel. Is that the rub.
More info for you american E-drivers?
http://www.drivingethanol.org/ethanol_in_vehicles/e-diesel.aspx
Welll, this seems to be a good thing..Some people have been thinking about this for a while.
http://www.sae.org/technical/papers/2005-01-1725