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Discussion Starter · #1 ·
I have been thinking about ways to test different theories for modded airboxes/intakes/"Kelly" ram air. Since a dyno will be useless to measure the gaines here try this:<p>I always tape my front end for road trips and traveling to shows. Takes 5 minutes and keeps from getting peppered with rock chips and bugs. Blue painters tape comes off easy and leaves NO residue.<p>Take one strip and place it where the Evolve Hood vent would go leaving the end folded over to act as a "flap" for the wind/air to catch.<p>Then take a second piece (just a small square will work) and place it over the part of the grill where you would put the entrance to Kelly's air mod. <p>
 

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Re: Air Mod Tests (R_Rated)

I tested the fog grill ram air pretty thoroughly when <u>I developed it</u>. As aerodynamic theory would suggest, that air is in a high pressure zone. BTW, the factory's in-upper grill pick-up point is pretty good too. Stuff on the surface of the hood will be at a lower pressure point because of the distance from the stagnation points. If you want to check the flow, use wool tufts (pieces of yarn) just like they've done for 50 years+ in wind tunnels. Alternately, I'll loan my manometer (deposit required)<p><IMG SRC="http://www.r-series.org/mano.jpg" BORDER="0"><br>
 

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Discussion Starter · #3 ·
I also used a CFD (basically a virtual wind tunnel) software but not everyone has access to that, lol.
 

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Re: (R_Rated)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>R_Rated</b> »</i></TD></TR><TR><TD CLASS="quote">but not everyone has access to that</TD></TR></TABLE><p>see: <A HREF="http://www.microcfd.com/download.htm" TARGET="_blank">http://www.microcfd.com/download.htm</A><p><br>This suggestion limited to free stuff.........
 

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Re: (JimLill)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>JimLill</b> »</i></TD></TR><TR><TD CLASS="quote"><p>see: <A HREF="http://www.microcfd.com/download.htm" TARGET="_blank">http://www.microcfd.com/download.htm</A></TD></TR></TABLE><p>that is a far cry from a "real" CFD tool...<p><A HREF="http://www.ansys.com/products/icemcfd.asp" TARGET="_blank">http://www.ansys.com/products/icemcfd.asp</A><p>-or-<p><A HREF="http://www.macroindustries.com/website/index.htm" TARGET="_blank">http://www.macroindustries.com/website/index.htm</A>
 

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Re: Air Mod Tests (R_Rated)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>R_Rated</b> »</i></TD></TR><TR><TD CLASS="quote">I have been thinking about ways to test different theories for modded airboxes/intakes/"Kelly" ram air. Since a dyno will be useless to measure the gaines here try this:<p>I always tape my front end for road trips and traveling to shows. Takes 5 minutes and keeps from getting peppered with rock chips and bugs. Blue painters tape comes off easy and leaves NO residue.<p>Take one strip and place it where the Evolve Hood vent would go leaving the end folded over to act as a "flap" for the wind/air to catch.<p>Then take a second piece (just a small square will work) and place it over the part of the grill where you would put the entrance to Kelly's air mod. <p> </TD></TR></TABLE><p>One of us with the evolve vent could also just tie some short strings to the vent grille. They should either blow in or out, yes?
 

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Re: Air Mod Tests (partridge)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>partridge</b> »</i></TD></TR><TR><TD CLASS="quote"><p>One of us with the evolve vent could also just tie some short strings to the vent grille. They should either blow in or out, yes?</TD></TR></TABLE><p>i dont' think that would work...since the reason the EVOLVE intake (whenever it hits the market...) would work is b/c the filter would be exposed right under it - thus it would be able to suck through that hole....<p>i'm not sure if the EVOLVE intake woudl really be "ram air".....as much as it would allow cool air to get sucked in through the hole... i woudl assumethat if an intake box is under the hood vent, and it's all sealed off under the hood and the only place to get air is via the hole in the vent, then the air will get sucked in there...ram air would be better...<p>maybe we'd have to put a little "scoop" on the outside??<p>I'd be intereted to see a setup like what EVOLVE is planning...that would suck via the hood vent AND that would also suck via the OEM hole AND via a ram air like Kelly's....<p>could that be "too much" or too much turbulence??
 

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Re: Air Mod Tests (JimLill)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>JimLill</b> »</i></TD></TR><TR><TD CLASS="quote">I tested the fog grill ram air pretty thoroughly when <u>I developed it</u>. </TD></TR></TABLE><p>Jim, I'm pretty sure you (and Stagg) are mentioned with pictures and links in my CAI threads. <p><TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>"R" Kelly</b> »</i></TD></TR><TR><TD CLASS="quote">Well thank you to Jim (inspiration) and Lee (my stateside parts connection). <IMG NAME="icon" SRC="http://********************/smile/emthup.gif" BORDER="0"> <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/smile.gif" BORDER="0"> </TD></TR></TABLE><p><TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>"R" Kelly</b> »</i></TD></TR><TR><TD CLASS="quote"> Don't have the part numbers handy, but they may be in Jim Lill's original thread. </TD></TR></TABLE><p>I'm sure he was just referring to the fact I was selling kits. <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/wink.gif" BORDER="0"> <p>But in all fairness, Bryan and I found the offset 3x7" intake, the double lined neoprene, I scoured for days for the 2" outlet and I don't go in through the side so there is no drilling of airbox.<p>But none of this would have happened without you pioneering the way and doing all that testing. <IMG NAME="icon" SRC="http://********************/smile/emthup.gif" BORDER="0"> <p><A HREF="http://forums.swedespeed.com/zerothread?id=42623" TARGET="_blank">http://forums.swedespeed.com/zerothread?id=42623</A>
 

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Re: Air Mod Tests (23109VC)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>23109VC</b> »</i></TD></TR><TR><TD CLASS="quote">i dont' think that would work...since the reason the EVOLVE intake (whenever it hits the market...) would work is b/c the filter would be exposed right under it - thus it would be able to suck through that hole....<p>i'm not sure if the EVOLVE intake woudl really be "ram air".....as much as it would allow cool air to get sucked in through the hole... i woudl assumethat if an intake box is under the hood vent, and it's all sealed off under the hood and the only place to get air is via the hole in the vent, then the air will get sucked in there...ram air would be better...<p>maybe we'd have to put a little "scoop" on the outside??<p>I'd be intereted to see a setup like what EVOLVE is planning...that would suck via the hood vent AND that would also suck via the OEM hole AND via a ram air like Kelly's....<p>could that be "too much" or too much turbulence??</TD></TR></TABLE><p>I think that if you attached a piece of yarn to evolve grill it would show if air wants to go in grill (intake) or if it wants to exit out of grill (hood vent). <p>If it blows up and out, then air pressure would be robbing turbo of air (low pressure), and if main intake was hooked up, that air could exit instead of going into intake. The air pressure will continue to drop as speed increases. <p>If it blows in, then you can see the propensity for what air will do when you have an intake underneath. Remember, we are trying to provide positive pressure to relieve work load on turbo, it shouldn't have to suck air in, should be provided to it. <p>Also, turbulence not an issue because this is pre-filter and pre-turbo.
 

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Re: Air Mod Tests (Arty R)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>Arty R</b> »</i></TD></TR><TR><TD CLASS="quote">Kelly, <br>Did you sell out of your "kits"?</TD></TR></TABLE><p>Well, if I get three more buyers, I'll do another set of 4. There are two others waiting, so you would make third. See this thread: <p><A HREF="http://forums.swedespeed.com/zerothread?id=55492&postid=530467#530467" TARGET="_blank">http://forums.swedespeed.com/z...30467</A>
 
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