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New Member |
Howdy,
Ive searched and have been unable to draw a conclusion from the results. I am responsible for researching the application of a returnless fuel system on next years car. Questions, Questions 1. what fuel dampener are you using/suggest and where in the system has it been mounted, before or after the rail. 2. are you using an internal regulator, or a pulse width modulated ouput. 3. people using the PWM style system, what pump and relay are you using any information would be most appriciated, cheers alex |
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Member |
Hi Alex,
we are using a returnless system for many years except 2007. 1. We do not use a fuel dampener and had no problems with oscillating or changing fuel pressures or lambda readings. 2. We use an internal regulator next to the pump inside the fuel tank to keep the way back short. 3. Sorry, we don't. Regards, Tobi Head of Electronics '06 '07 '08 Lions Racing Team Braunschweig "Reality must take precedence over PR, for Nature cannot be fooled." Richard Feynman, Investigator of the Space Shuttle Challenger disaster - Three nations have not officially adopted the International Metric System of Units as their primary or sole system of measurement: Liberia, Myanmar and the United States. - 1 Inch was defined to be the thumb width of Heinrich, I., King of England. - Later 1 Inch was redefined to be the length of 3 barleycorns by Eduard, II., King of England. - 0˚F were defined by Fahrenheit in the harsh winter of 1708/1709 as he thought that it is impossible to become colder than this - 100˚F were defined by Fahrenheit to be the normal temperature of the human body. Obviously he had fever, when measuring his own body temperature to define his scale. |
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New Member |
cheers tobi
would you mind me asking what pump and regulator you use, is it a all in one unit??? |
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Member |
It is an all-in-one-unit taken from a production car including main pump, feed pump, regulator, swirl-pot and fuel level potentiometer. I was not responsible for that unit, therefore I do not know which brand or type of car.
Head of Electronics '06 '07 '08 Lions Racing Team Braunschweig "Reality must take precedence over PR, for Nature cannot be fooled." Richard Feynman, Investigator of the Space Shuttle Challenger disaster - Three nations have not officially adopted the International Metric System of Units as their primary or sole system of measurement: Liberia, Myanmar and the United States. - 1 Inch was defined to be the thumb width of Heinrich, I., King of England. - Later 1 Inch was redefined to be the length of 3 barleycorns by Eduard, II., King of England. - 0˚F were defined by Fahrenheit in the harsh winter of 1708/1709 as he thought that it is impossible to become colder than this - 100˚F were defined by Fahrenheit to be the normal temperature of the human body. Obviously he had fever, when measuring his own body temperature to define his scale. |
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Member |
We use a Walbro PFA-32C pump, the one that was designed for FSAE teams a few years back. It self regulates pressure, running constantly, but just returning fuel that is over pressure to the tank. Don't think that they make the pump anymore though, we had a tough time finding it for the cost report last year. Check these out...
http://fsae.com/eve/forums/a/tpc/f/412600868/m/98710097...10097711#98710097711 ddeussen-at-nospam_walbro.com (Walbro Rep from a few years ago, not sure if he's still around) fsae.com/eve/forums/a/tpc/f/412600868/m/72710490521 Try searching the forums too before asking! Hope that helps! John M. Robinson University at Buffalo Safety Wire Team Leader "Most of the things worth doing in the world had been declared impossible before they were done." Louis D. Brandeis |
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Member |
I am still around but not with Walbro anymore. I tried contacting my old colleagues at Walbro, but could not get a hold of the right ones anymore so I do not know if they still distribute the special FSAE kit.
Daniel Deussen www.weber-motor.de Saginaw Valley State University Alum Cardinal Formula Racing '99 - '05 FSAE: 6th in '02 and 8th in '05 FSG: Scrutineer, Design Judge and Race Coordinator in '06, '07 and '08 |
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