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Groups > comp.sys.mac.advocacy > #149955

Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing.

From Tom Elam <thomas.e.elam@gmail.com>
Newsgroups comp.sys.mac.advocacy, comp.sys.mac.system, comp.mobile.android, misc.phone.mobile.iphone
Subject Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing.
Date 2026-10-30 10:41 -0400
Organization A noiseless patient Spider
Message-ID <11c2aab$avfj$1@dont-email.me> (permalink)
References (6 earlier) <11btqau$2qnvk$1@dont-email.me> <11bvbnb$3a2ck$1@dont-email.me> <11c0058$3ievq$1@dont-email.me> <11c02je$3jg67$1@dont-email.me> <11c03ui$3k0f7$1@dont-email.me>

Cross-posted to 4 groups.

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On 10/29/26 2:40 PM, Alan wrote:
>> So do you contend that a parabolic shape is the best racing line in 
>> all situations for all track curves? if so, prove me wrong.
> 
> You just two posts ago claimed the clothoid was the "best racing line" 
> without caveats...

Oh my, another Fakerboy deflection! What are the chances? 99.999%!

A parabolic line is a subset of a clothoid with a unique set of 
coefficients. Anyway, see the proof of your error below.

Here is a non-AI explanation of why a parabolic shape racing line 
touching the apex at 45 degrees into a 90 degree turn is often not the 
ideal racing line, and a later apex is.

https://www.drivingfast.net/racing-line/

Quote:

Common mistake:

It's very common for drivers to apex too early due to nerves about the 
approaching corner and eagerness to take the turn. The racing line apex 
which is often out of view at the point of turn in, or further round the 
corner than you expect (see Diagram 3 below). This is where experience 
and track knowledge come in.

End Quote

I'm thinking that you simply lacked the nerve to follow the fastest 
racing line. What the heck did they teach you at that fancy racing school?

Your shocking lack of basic racing techniques makes me more certain than 
ever that you could never be considered an exceptional driver in the 
SCCBC world.

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Thread

How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-23 13:00 -0700
  Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-26 07:38 -0400
    Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-26 11:55 -0700
      Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-28 09:19 -0400
        Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. -hh <recscuba_google@huntzinger.com> - 2026-10-28 11:37 -0400
          Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-28 17:32 -0400
            Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. -hh <recscuba_google@huntzinger.com> - 2026-10-29 07:50 -0400
              Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-29 13:55 -0400
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. -hh <recscuba_google@huntzinger.com> - 2026-10-29 16:38 -0400
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-30 10:27 -0400
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. -hh <recscuba_google@huntzinger.com> - 2026-10-30 11:54 -0400
  Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-26 11:49 -0400
    Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-26 11:34 -0700
      Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-28 09:58 -0400
        Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-28 11:57 -0700
          Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-28 17:38 -0400
            Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-28 14:43 -0700
              Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-29 07:46 -0400
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-29 10:35 -0700
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-29 14:17 -0400
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-29 11:40 -0700
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-30 10:41 -0400
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-30 10:24 -0700
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-30 14:39 -0400
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-30 11:57 -0700
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Tom Elam <thomas.e.elam@gmail.com> - 2026-10-31 21:18 -0400
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-31 20:14 -0700
                Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-29 11:14 -0700
                OT: And the coward ducked out of this one... (was Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Alan <nuh-uh@nope.com> - 2026-10-30 10:26 -0700
  Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. "Joel W. Crump" <joelcrump@gmail.com> - 2026-10-27 18:15 -0400
    Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Brock McNuggets <brock.mcnuggets@gmail.com> - 2026-10-27 15:56 -0700
  Re: How badly Arlen/Maria gets it wrong: the catenary curve and road racing. Chris <ithinkiam@gmail.com> - 2026-10-28 08:08 +0000

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