proxlamus©
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Posts posted by proxlamus©
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The black around his knee looks like he is lifting up his black shirt..
and the jeans looks like his.. well jeans pulled down
Haha what a crazy illusion!
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there comes a point where there is TOO much downforce like in that Prima
too much front downforce causes UNDERSTEER as well.
Im sure the primadonna Z had an adjustable front wing.. or I hope so
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you couldnt post this on the hood vent thread?!
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I would highly advise.. do NOT attach that one your car
look at the angle of attack... all your doing is creating LIFT on the front end.
In addition the rear spoiler (whale tail) will increase the rear downforce and create MORE LIFT in the front of the car!
Now imagine driving at 75mph and the car in front of you blows out it's tires.. and you need to swerve out of the way to avoid an accident..
Your front end is so "light" because of the lift, you loose the size of the tire patch in contact with the ground.
This will result in understeer, and the inability to safe your life and someone elses.
yes this is dramatic.. but its true.
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Megasquirt and wideband are the two best purchases i've ever made for the Z.
Honestly.
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omg what a beast
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you blew the motor?! what?!
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buy a light CF hood and ya wont worry about it hitting you.. LoL too light
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thanks guys!
The way the VG's are mounted on the wings are exactly as Jon mentioned..
The VG's really take effect at HIGH angles of attack.. (ie right before the wing stalls)
The aircraft stalls because the aircraft exceeds the angle of attack and the airflow no longer accelerates over the leading edge of the wing and buffets behind the wing.
If you notice the way the VG's are mounted on the Cessna's, at the highest angle of attack to maintain slow flight (55kts) the VG's are just below the highest point of the leading edge.. allowing the VG's to take effect and keep the air flowing and accelerating down the wing.
Now in a Z car.. the air flowing over the top of the car actually accelerates down the rear hatch before it seperates from the boundary layer. The point of the VG's is to increase the boundary layer seperation and keep the air accelerating down the hatch, which increases the effectiveness of the spoiler!
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WOW!!
Scott that looks incredible!!
Everyone is shown me up! LoL.. mine was a ghetto 1 hr project.. haha
very impressive! I have some work to do!!
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OK..
I called a company by the name of MicroAero who produces vortex generators for Cessna, Beechcraft, Piper etc.. and I spoke to a wonderful technical ops manager.
He said that mounting the VG's parallel with the wind is NOT effective...
They mount the VG's pigeon toe'd on the leading edge of the wings which can be as high as 30* degrees.. He said there should be no difference in which direction the VG's are mounted (pigeon or duck (opposite)).
Here are some pics to support the data
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I have not driven the car yet.. but I will report back.
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Wait a sec...
I was looking at SDI's VG's...
Seems mine look backwards..
BUT I followed the directions from Vortekz..
and this was tested effective in the windtunnel
Which is right?!
http://www.mitsubishi-motors.com/corporate/about_us/technology/review/e/pdf/2004/16E_03.pdf
I was reading Mitsubishi's article.. and they seem to be at ZERO degrees.. hmm
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that is very impressive Dragonfly
I am still trying to figure out a way to seal the intercooler and radiator with the opening I have.. its very very difficult to get right and ALOT of time to get it sealed perfectly.
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Welp.. I have been wanting to install my vortex generators for sometime now.. I bought them for $19.99 from a company by the name of Vortekz Generators.
There are supposed to be installed at various angles.. the inner 4 are 15* degrees from the roof line.. the next outer VG is 10* degrees, then the 2nd to the last are 5* degrees then the final outside VG's are parallel with the roof line
OK OK i realize in the very last picture they are not PERFECT.. but it's hard to do i'm telling ya! But it still does its job.
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#6 is the furthest cylinder from the waterpump and cool fresh antifreeze..
Cylinders #5 and #6 run the hottest.. you probably blew the headgasket on cylinder six which blew cylinder fives seal.
Increase heat = increased chance of detonation or pre-ignition.
Best way to tune is individual EGT sensors on each cylinder much like aircraft do... but clearly this is hard to achieve. Tuning on the other hand for each indivdual cylinder and timing is expensive and difficult to do
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what engine is in this Z Mike?!
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you would have to use a proportioning valve ..
the handbrake would not be used.. the calipers do not have a manual mechanism..
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I have a carbon fiber hood (fiberglass bottom/carbon top) which is still very light..
when its hot outside.. to prevent heat soak I open the hood which allows all that hot air to escape...
yes i've driven it unlatched at 100mph plus and I did not see it rise that much.. only 2-3 inches.
maybe its the airdam I have
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Daniel congrats on fixing the problem
yes you can post your findings on MSefi.com which is the megasquirt forum
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240hoke has a very similar setup.
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yeh i thought that too
all CF rx-7, only 1950 pounds
in Non Tech Board
Posted
clearly youve never had a ride in a 400rwhp rotary powered car..
its a whole new experience