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1. Re: Engine Air Inlets - definite improvement (score: 1): Author: "J I Waldron" <jwaldron47@earthlink.net>; Date: Sat, 9 Apr 2005 13:04:55 -0400; I'm no expert, but could it be that you need more fuel because the engine is getting additional air via a ram air effect? A 490 Cu in engine at 7500 RPM needs about 1060 CFM of air (assuming no pump; /html/land-speed/2005-04/msg00117.html (9,210 bytes)
2. RE: Engine Air Inlets - definite improvement (score: 1): Author: "Dave Dahlgren" <ddahlgren@snet.net>; Date: Sat, 9 Apr 2005 14:20:51 -0400; Yep you be way out there. What you are suggesting is at 220 you are running 28 lbs of boost. i think not.. To answer Udo you jet for density altitude not the phyical distance from sea level. Dave; /html/land-speed/2005-04/msg00118.html (10,374 bytes)
3. Re: Engine Air Inlets - definite improvement (score: 1): Author: "J I Waldron" <jwaldron47@earthlink.net>; Date: Sat, 9 Apr 2005 21:05:24 -0400; Yikes. No way for 28 lbs of boost. Must be conversion process for ram air to psi. I'll go back to stuff I know. Thanks, Jim W. running; /html/land-speed/2005-04/msg00121.html (7,789 bytes)
4. Re: Engine Air Inlets - definite improvement (score: 1): Author: "Benn" <karhu@california.com>; Date: Sun, 10 Apr 2005 10:43:07 -0700; Without breaking out the ol' fluids books, I recall the effective static air pressure increase due to ram effect at speed to be a few percent at 100 mph and somewhere around 5-10% at 200 mph. Benn al; /html/land-speed/2005-04/msg00122.html (8,318 bytes)
5. RE: Engine Air Inlets - definite improvement (score: 1): Author: "Dave Dahlgren" <ddahlgren@snet.net>; Date: Sun, 10 Apr 2005 15:44:21 -0400; what if the inlet is the size of a soda straw does it still work?; /html/land-speed/2005-04/msg00125.html (8,510 bytes)
6. Re: Engine Air Inlets - definite improvement (score: 1): Author: "DrMayf" <drmayf@teknett.com>; Date: Sun, 10 Apr 2005 15:06:40 -0700; Not what he said Dave. Only that at 100 mph the pressure recovery from speed is a few percent above static pressure and at 200 mph is is a bit more. For instance, at Speedweek the static pressure is; /html/land-speed/2005-04/msg00126.html (9,608 bytes)
7. Re: Engine Air Inlets - definite improvement (score: 1): Author: "Benn" <karhu@california.com>; Date: Sun, 10 Apr 2005 15:49:49 -0700; If the soda straw is blocked off! ....I was only talking about the static pressure potential, not a BBC trying to breath through it. Benn -- Original Message -- From: "Dave Dahlgren" <ddahlgren@snet.; /html/land-speed/2005-04/msg00127.html (7,662 bytes)

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