Couple pics of a project I'm working on at school
02-08-2006, 10:57 PM
#13
3.0 BAR
Join Date: Apr 2003
Posts: 2,579
Re: Couple pics of a project I'm working on at school
Originally Posted by jdmcord
UW? as in university of washington?
Originally Posted by chris
Cool stuff. Mechanical engineering=hard degree.
02-08-2006, 11:34 PM
#14
1.5 BAR
Join Date: Feb 2005
Posts: 691
Re: Couple pics of a project I'm working on at school
Originally Posted by fork
There has to be some limiting factor in the engine. or else some one at a rich school would run a atop fuuel motor. Making the limitation a restrictor makes it more intersting than making it a cubic inch restriction. the key is the place ment and dsign of the intake and runners. CFD programs canhelp with that. they only cost like 20 grand
The intake restriction forces car designers to make their cars weigh less and handle better instead of make more power. Kinda lame IMO.
02-08-2006, 11:40 PM
#15
Guest
Posts: n/a
Re: Couple pics of a project I'm working on at school
Originally Posted by myshtern
I disagree. By limiting the intake size instead of combustion chamber size, they tell you that they dont want you to innovate much in the engines. I don't know much about intake manifolds, but super tuned runners will give you, what a 10hp gain? Not enough to exactly destroy the competition.
The intake restriction forces car designers to make their cars weigh less and handle better instead of make more power. Kinda lame IMO.
The intake restriction forces car designers to make their cars weigh less and handle better instead of make more power. Kinda lame IMO.
02-09-2006, 12:49 AM
#17
1.5 BAR
Join Date: Jan 2005
Posts: 1,440
Re: Couple pics of a project I'm working on at school
Originally Posted by jagojon3
Heh, 10 hp will destroy the competition. This competition is not just about power, it's about an all around racecar, compare it to a miniature F1. They don't just focus on power. Weight and handling are extremely huge factors as well. One of the reasons lots of the team members don't like the turbo is because of the weight it adds (~20-25 lbs for the system) compared to the torque gains and improved HP curve. I aim to disprove them next year and show them a turbo is the way to go. I am currently basing this on my love for turbos, turbofreakiness if you will, so I don't know what will happen. I could do dozens of hours of research only to scrap the project, but this whole thing is about learning (and having fun and destroying the competition, which we usually do)
02-09-2006, 07:21 AM
#19
1.5 BAR
Join Date: Aug 2003
Posts: 1,164
Re: Couple pics of a project I'm working on at school
I go to uw-platteville and we have also played with the idea of a turbo many times. With the 60mm restrictor a small turbo is your only option even though it revs high it doesnt flow much air. The problem is that you get a huge pressure drop right after the restrictor and it looses tons of efficiency. The ammount of psi you need at the turbo is many times higher than the ammount of psi you will see after the restrictor. When we did our calculations we couldnt reasonably flow enough air to make the extra weight worth it. BTW we run a 600cc CBR motor.
Also isnt the restrictor actually like 22mm not 60mm? Hell, i can never remember.
Also isnt the restrictor actually like 22mm not 60mm? Hell, i can never remember.
02-09-2006, 07:28 AM
#20
0.5 BAR
Join Date: Oct 2004
Posts: 197
Re: Couple pics of a project I'm working on at school
jago.... does your team compete against cornell? i have a friend who is on their team..... apperently they have won the past five years in a row. they just finished fabricating their chassis and have the motor installed and running.
