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1. Sreamliner question. (score: 1): Author: "paul bland" <paul.blandavon@btinternet.com>; Date: Wed, 1 Dec 2004 15:09:46 -0000; List, a while back there was a brief discussion on the best angles for the convergence of the bodywork on a streamliner rearwards i.e. the taper of the bodywork towards the back of the vehicle, can a; /html/land-speed/2004-12/msg00004.html (7,806 bytes)
2. RE: Sreamliner question. (score: 1): Author: Dale.Clay@mdhelicopters.com; Date: Wed, 1 Dec 2004 08:46:26 -0700; In the aero world it is 7 degrees, but porkpie say 6 degrees for autos (don't know why it would be different. Dale C. List, a while back there was a brief discussion on the best angles for the conver; /html/land-speed/2004-12/msg00007.html (8,571 bytes)
3. RE: Sreamliner question. (score: 1): Author: pork.pie@t-online.de (Pork Pie); Date: 01 Dec 2004 17:49 GMT; <Dale.Clay@mdhelicopters.com> schrieb: Hi Dale, I'm surprised that you remember my comment - I like that, there is someone out who reads my mails really, wow. By the way - I got some weeks ago a nice; /html/land-speed/2004-12/msg00014.html (8,854 bytes)
4. RE: Sreamliner question. (score: 1): Author: "todd" <todd@twinjugs.com>; Date: Wed, 1 Dec 2004 19:03:28 +0000; I have a hard time believeing that the length of the vehicle in question is not a major factor in the optimum taper. My thoughts(based on my "very" minut amount of knowledge on this) are that the sho; /html/land-speed/2004-12/msg00018.html (8,341 bytes)
5. RE: Sreamliner question. (score: 1): Author: jkamo@rushmore.com; Date: Wed, 1 Dec 2004 12:35:51 -0700; I fail to see this logic....... with a shorter vehicle, it can be surmised that the air is likely "less" attached, how would one think that they could now "direct" that less attached air at a more ag; /html/land-speed/2004-12/msg00021.html (8,926 bytes)
6. RE: Sreamliner question. (score: 1): Author: "todd" <todd@twinjugs.com>; Date: Wed, 1 Dec 2004 20:05:25 +0000; Good point on the less attached air on the sides Joe, but what about the rear? Let's go with the extremes here. If we have a vehicle that's 4 foot long and a vehicle that's 40 foot long(let's say bot; /html/land-speed/2004-12/msg00022.html (9,021 bytes)
7. Re: Sreamliner question. (score: 1): Author: "DrMayf" <drmayf@teknett.com>; Date: Wed, 1 Dec 2004 12:58:10 -0800; Now folks, why do you assume you can have only a one time 7 degree taper? You can multiple ones. In fact you can have so many that it becomes a smooth curve. So all is well... mayf, out in Pahrump, w; /html/land-speed/2004-12/msg00024.html (9,950 bytes)
8. Re: Sreamliner question. (score: 1): Author: "DrMayf" <drmayf@teknett.com>; Date: Wed, 1 Dec 2004 13:01:56 -0800; Shoot, I forgot to add this additional note on the 7 degree. First building one of these puppies in our shops, at least in mine, becomes an exercise in some futility becaues it is hard to do at least; /html/land-speed/2004-12/msg00025.html (10,370 bytes)
9. RE: Sreamliner question. (score: 1): Author: Dale.Clay@mdhelicopters.com; Date: Wed, 1 Dec 2004 14:45:55 -0700; Exactly, Mayf. If you use a curve with a radius that has a <7 degree tangent to the LOCAL airstream, the airstream should stay "attached." You're right too about trying to minimize "wetted area" to r; /html/land-speed/2004-12/msg00030.html (9,072 bytes)
10. Re: Sreamliner question. (score: 1): Author: John Goodman <ggl205@yahoo.com>; Date: Wed, 1 Dec 2004 13:49:53 -0800 (PST); "Now folks, why do you assume you can have only a one time 7 degree taper? You can multiple ones." Remember the coke bottle form? This is a very aero design for road racing cars with very wide wheels; /html/land-speed/2004-12/msg00032.html (8,775 bytes)
11. RE: Sreamliner question. (score: 1): Author: "Albaugh, Neil" <albaugh_neil@ti.com>; Date: Wed, 1 Dec 2004 16:26:42 -0600; Dr Kamm studied this extensively and concluded that if it wasn't possible to carry the streamlined body shape all the way to a point then it was better to chop off the tail. I suppose he had some con; /html/land-speed/2004-12/msg00035.html (9,514 bytes)
12. RE: Sreamliner question. (score: 1): Author: Dale.Clay@mdhelicopters.com; Date: Wed, 1 Dec 2004 15:40:56 -0700; Dale C Dr Kamm studied this extensively and concluded that if it wasn't possible to carry the streamlined body shape all the way to a point then it was better to chop off the tail. I suppose he had s; /html/land-speed/2004-12/msg00036.html (9,708 bytes)
13. Re: Sreamliner question. (score: 1): Author: "Benn" <karhu@california.com>; Date: Wed, 1 Dec 2004 15:32:33 -0800; Doesn't ANY radius curve have a less than 7 degree angle to a given tangent if you just get close enough to the tangent point? Benn surface taper? smooth; /html/land-speed/2004-12/msg00039.html (8,980 bytes)
14. Re: Sreamliner question. (score: 1): Author: "Thomas E. Bryant" <saltracer@awwwsome.com>; Date: Wed, 01 Dec 2004 19:09:51 -0800; According to Bob Pierson, who spent a number of years in engineering with Northrop Aircraft, the best aero shape (I am thinking profile here) is a diamond and the next best is a wedge. In other word; /html/land-speed/2004-12/msg00041.html (8,849 bytes)
15. RE: Sreamliner question. (score: 1): Author: jkamo@rushmore.com; Date: Wed, 1 Dec 2004 21:10:16 -0700; Todd, I hear your thinking :):) how do you think we can can keep air attached and bend it in a short distance to a greater degree than is possible over a much longer distance in other words if we can; /html/land-speed/2004-12/msg00042.html (10,255 bytes)
16. Re: Sreamliner question. (score: 1): Author: "DrMayf" <drmayf@teknett.com>; Date: Wed, 1 Dec 2004 21:21:13 -0800; I'll go out on a limb here... do a thought experiment. In your mind draw a straight line. put a point on it. now move one point away from that point and make a 45 degree angle, move to the next point; /html/land-speed/2004-12/msg00043.html (9,791 bytes)
17. RE: Sreamliner question. (score: 1): Author: "Albaugh, Neil" <albaugh_neil@ti.com>; Date: Thu, 2 Dec 2004 09:33:40 -0600; Good point, Dale. Regards, Neil Tucson, AZ --Original Message-- From: owner-land-speed@autox.team.net [mailto:owner-land-speed@autox.team.net] On Behalf Of Dale.Clay@mdhelicopters.com Sent: Wednesday; /html/land-speed/2004-12/msg00052.html (9,103 bytes)
18. RE: Sreamliner question. (score: 1): Author: "Albaugh, Neil" <albaugh_neil@ti.com>; Date: Thu, 2 Dec 2004 09:39:38 -0600; I think that those shapes are probably best for supersonic speeds; at lower speeds, I have my doubts. But as they say, "There's more than one way to skin a cat." Regards, Neil Tucson, AZ --Original; /html/land-speed/2004-12/msg00053.html (8,940 bytes)
19. Re: Sreamliner question. (score: 1): Author: "paul bland" <paul.blandavon@btinternet.com>; Date: Thu, 2 Dec 2004 15:58:51 -0000; I've been trying to decide how to bring the rear most part of the bodywork to a conclusion, given the need for tubes for chutes/exhaust......... it isn't possible to bring the bodywork totally to a p; /html/land-speed/2004-12/msg00056.html (8,771 bytes)
20. RE: Sreamliner question. (score: 1): Author: "Albaugh, Neil" <albaugh_neil@ti.com>; Date: Thu, 2 Dec 2004 10:08:39 -0600; I think that testing different shapes will be the only way to get a definitive answer to that question. Regards, Neil Tucson, AZ .....where it was 0 degrees C this morning-- yes, it does get cold in; /html/land-speed/2004-12/msg00057.html (9,139 bytes)

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