Posts Tagged ‘Fuel Efficiency’

Engineering Students Build And Design A Fuel-Stingy Vehicle

Sunday, March 1st, 2009

This article was on the ScienceDaily website today.  From below:  “The team hopes to improve on the current Dalhousie record of 420 kilometres per litre on regular unleaded gas, with a vision to beat the record at the Shell Eco-marathon Americas of 1,445 kilometers per litre.” 420 km/l equates to 988 mpg and 1445 km/l equates to almost 3400 mpg.  Maybe the AFV Lab Supermileage team can get some ideas from this article.

Source:  http://www.sciencedaily.com/releases/2009/02/090218223151.htm

Engineering Students Build And Design A Fuel-Stingy Vehicle

Dalhousie University mechanical engineering students and the “Maritime Mileage Machine.” (Credit: Image courtesy of Dalhousie University)

ScienceDaily (Feb. 28, 2009) — With its light body made of Kevlar, sleek aerodynamic design and three Olympic-racing wheelchair tires, it looks like something that escaped from the Batcave.

But actually it’s a school project by a team of six Dalhousie University senior mechanical engineering students.

The ultimate in fuel efficiency, the “Maritime Mileage Machine” will be entered in the 2009 Shell Eco-marathon Americas taking place on April 15 to 18 at the Auto Club Speedway in Fontana, California. The event challenges high school and post-secondary students across Canada, the U.S., Mexico and South America to design and build a vehicle that will drive the farthest using the least amount of energy.

The students who win will have a chance to make history and take home thousands of dollars in prize money.

“The main thing is to keep it simple and efficient,” explains Matthew Harding, the team’s manager. Other members include Liam Jeffrey, Craig Arthur, Chad Batterton, Brad Marcus and the driver Carmen McKnight. “The whole point of the competition is maximum fuel economy.”

The vehicle runs on a 35-cc engine—“It’s basically a big weed whacker,” says Mr. Harding.

The team hopes to improve on the current Dalhousie record of 420 kilometres per litre on regular unleaded gas, with a vision to beat the record at the Shell Eco-marathon Americas of 1,445 kilometers per litre.

“Considering the average car is getting about 30 miles per gallon (or 13 kms per litre), that’s pretty drastic.”

Carmen McKnight, selected for her petite size, will drive the vehicle while lying in a hammock-like seat with a headrest to prop up her head. She steers the car using handles on either side of her body.

Circuits are about seven miles long and the race will last roughly 45 minutes a circuit.

The team’s goal is to fine-tune their model and get in some practice time to be ready for the competition in April.

Source: http://www.sciencedaily.com/releases/2009/02/090218223151.htm


HOTFIRE Project Wins Engineering Award; Homogeneous Direct Injection with Fully Variable Valve Train

Wednesday, October 22nd, 2008

Bellow is an excerpt from this article on the greencarcongress.com blog this morning.  Direct Injection may be an idea whose time has come.  Go to http://www.greencarcongress.com/2008/10/hotfire-project.html#more to read the full article.  The article states the strategy achieves an approximate 15% fuel savings through use of direct injection and variable valve timing.

HOTFIRE Project Wins Engineering Award; Homogeneous Direct Injection with Fully Variable Valve Train

21 October 2008


Project HOTFIRE has taken the top award in the automotive sector in ‘The Engineer Technology + Innovation Awards 2008’ in the UK. The project team, comprising engine designers from Lotus Engineering, fuel injection specialists from Continental Powertrain and thermodynamics and mechanics experts from University College London and Loughborough University, developed a gasoline direct injection (GDI) engine concept that reduces fuel consumption by 15%. The project was funded by EPSRC (Engineering and Physical Sciences Research Council).

The end application of this project is a direct injection spark ignition engine architecture that does not require stratified lean burn combustion to achieve the approximate 15% fuel savings. This ensures that the system can be used over all speed/load ranges and eliminates the need for an expensive lean NOx trap which is usually required when lean combustion is employed.

—Geraint Castleton-White, Head of Powertrain at Lotus Engineering…

Source: http://www.greencarcongress.com/2008/10/hotfire-project.html#more