Ram Implosion Wing - Wind Tunnel Testing

[Frank Lee]

And be sure to use plenty of smoke in your testing.

https://www.youtube.com/watch?v=nNrbOkvOErk

[elhigh]

Implosion, indeed. I think a few IQ points just vaporized.

I anticipate a change of address for this thread.

[ChazInMT]

Wind tunnel guy, I see you're still young and learning about new things. One of the things you need to teach yourself is how to be skeptical of things that claim results that seem outside the realm of possibility. One of the biggest clues you'll find that lead you to be skeptical is people using terms that seem scientific, but are really just patent Bull Crap.

The 2 things you wrote that make me say "What the heck?" are "Aerodynamic fluidity" and "Create vortex in front of the car".

It is good that you are curious about aerodynamics! We all start somewhere. I suggest you read a lot of the things Aerohead has written about and explore what we can do to a vehicle in order to reduce the drag forces created by moving a solid object at high speeds through the air.

There is a lot to learn just to start understanding the basics of aerodynamics. This Ram Implosion device thing you speak of is an attempt by some to confuse you with scientific statements which sound reasonable, but, in fact and by just plain logic are false or it's supposed effects are hugely over exaggerated.

Welcome to ecomodder. Don't let the snide comments here dissuade you from learning more about this very interesting field of study. I started out with my own huge misconceptions 4 years ago and have learned a ton since then.

If you really want to learn, forget this Ram Implosion thing for now. Be grateful for the fact that it has led you here, and start learning my young friend.

If you try to defend the Ram, you'll only be met with greater and greater hostility which will certainly frustrate you and send you off thinking that we're all a bunch of closed minded mean people here, which we are, but given the right chance, we can teach you a whole bunch.

Much respect,
Charlie

[freebeard]

OP -- Vortexes don't work that way.

What I'm curious about is your [proposed] wind tunnel. What scale will it work at? Most are 1/4th to 1/10th; but the horsepower requirement goes up*. There was a guy in Japan who had videos on Youtube showing his work at 1/24th, but I think they're gone. He had digital scales under each wheel and one to get pushed at the back. He couldn't derive absolute values, but could do A-B comparisons.

*There are losses involved, so a full scale wind tunnel will consume 1000s of horsepower.

[NeilBlanchard]

I have not seen this before - and I am sorry I did.

Directory:Ram Implosion Wing - PESWiki

Robert A. Patterson claims the Ram Implosion Wing, which fits atop a vehicle, often doubles the mileage of cars on which it is installed. He says this is due to a vortex principle that takes antagonistic air resistance, and turns it around to provide a propelling force instead. As of July, 2005, he said there have been some 40 people install one.

DOUBLES the mileage? And it makes the driver so attractive to the opposite sex, that anybody who sees them - swoons!

This thread needs to be moved to the Unicorn Corral.

[aerohead]

Originally Posted by InnovativeWindTunnelGuy

I read it, but I don't think it's supposed to create thrust by improving the aerodynamic fluidity. It's supposed to create a vortex in front of the car, thus reducing air pressure, I'm not an expert but I think we have to look at it from another angle.

*The premise of aerodynamic streamlining is to reduce,or eliminate flow separation on the bluff body.
*The last thing in the world that you'd want,is a vortex in front of the car.This would destroy the flow all over the car.
*The 'high' pressure in front of cars is not a problem and never will be.
*The problem is the low base pressure behind the car,something the RIW cannot address.
*The RIW fails theoretically.It's performance premise is completely removed from the realities of physics.
*You'd do just as well to paint your car Baker-Miller Pink.

[elhigh]

^^
Made me look up Baker-Miller Pink. Weird stuff.

Not knowing the history of B-M Pink or Drunk Tank Pink, I tried a shade of pink a few years ago based on my own theories and suppositions: Sherwin-Williams "Little Princess," very nice in my opinion, fairly pale to make the most of poor lighting. I had a volunteer crew paint a stairwell leading to the overnight dorms in the homeless shelter where I work.

The reaction was so unpleasant I painted it back to grey. That was ten years ago. I've repainted in there at least once since then, and it's still grey. It may not be calming, but it doesn't induce rage either.

[freebeard]

The most manly pink is Mountbatten Pink (#997A8D)

Mountbatten Pink, also called Plymouth Pink,[1] is a naval camouflage colour resembling greyish mauve. It was first used by Lord Mountbatten of the British Royal Navy during World War II.

[Cd]

I have read that Mikoyan-Gurevich cockpits were painted in a sea-foam green for the very same reason.

[aerohead]

Originally Posted by Cd

I have read that Mikoyan-Gurevich cockpits were painted in a sea-foam green for the very same reason.

Makes sense as far as the human eye goes.
If you're in a daylight dogfight and glancing back and forth,from a high-altitude clear sky background to the instrument cluster,the retina would experience a more uniform lighting level maintaining good visual acuity.
If the green is also calming,that would be a plus,given the work environment of a fighter pilot.