![]() |
|
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG.
This site is not affiliated with Porsche in any way. Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners. |
|
![]() |
TonyAKAVW |
![]()
Post
#1
|
That's my ride. ![]() ![]() ![]() ![]() Group: Members Posts: 2,151 Joined: 17-January 03 From: Redondo Beach, CA Member No.: 166 Region Association: None ![]() |
So I've been thinking about different ways to get air up to the radiator in the subaru conversion where the radiator is in the engine bay. The standard way to do it is to have a couple of normal radiator fans sucking air from beneath the car.
Here's another idea... What if I constructed an array of ducted fans as in the diagram below. Basically they would force air up the shroud and through the radiator. One advantage to this is that it would take advantage of the entire surface of the radiator, rather than a round section that a fan would push through. Something I'm trying to figure out is the conversion between thrust and CFM of air moved. Most of these fans are for hobby RC airplanes and are rated in ounces of thrust, rather than moved volume of air. -Tony Attached image(s) ![]() |
![]() ![]() |
bondo |
![]()
Post
#2
|
||
Practicing my perpendicular parking ![]() ![]() ![]() ![]() Group: Members Posts: 4,277 Joined: 19-April 03 From: Los Osos, CA Member No.: 587 Region Association: Central California ![]() |
The way thrust is measured for model airplane powerplants is to mount the thrust producing device on a horizontal rail of some sort that allows it to slide smoothly along the axis of thrust. You then simply turn it on and measure the force it can pull against a spring scale. It seems like there would be a way to convert that to CFM, based on air density. (thrust of less air faster = thrust of more air slower) But then that all gets thrown out the window if the effect of pushing against the surrounding air is significant, because then it would depend on the cross sectional area of moving air. This is where my understanding of physics starts getting foggy. |
||
![]() ![]() |
![]() |
Lo-Fi Version | Time is now: 26th June 2024 - 12:22 AM |
All rights reserved 914World.com © since 2002 |
914World.com is the fastest growing online 914 community! We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ... |