From 03d596db3dc1e90fcd63ac5f203326773de75e28 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Sat, 10 Jan 2026 18:42:34 -0500
Subject: automotive spreadsheets

---
 assets/auto/brake.ods                   | Bin 0 -> 44969 bytes
 assets/auto/damper.ods                  | Bin 0 -> 17167 bytes
 assets/auto/spring_bar.ods              | Bin 0 -> 19946 bytes
 assets/auto/suspension.ods              | Bin 0 -> 33003 bytes
 assets/auto/tire.ods                    | Bin 0 -> 27890 bytes
 content/auto/index.md                   |  17 +++++++++++++++++
 hugo.toml                               |   9 +++++++--
 layouts/_partials/asset_table.html      |  32 ++++++++++++++++++++++++++++++++
 layouts/auto/page.html                  |   6 ++++++
 layouts/list.html                       |   2 +-
 layouts/term.html                       |   7 -------
 themes/aoidh/assets/aoidh.css           |   2 +-
 themes/aoidh/layouts/_partials/nav.html |   1 -
 13 files changed, 64 insertions(+), 12 deletions(-)
 create mode 100644 assets/auto/brake.ods
 create mode 100644 assets/auto/damper.ods
 create mode 100644 assets/auto/spring_bar.ods
 create mode 100644 assets/auto/suspension.ods
 create mode 100644 assets/auto/tire.ods
 create mode 100644 content/auto/index.md
 create mode 100644 layouts/_partials/asset_table.html
 create mode 100644 layouts/auto/page.html
 delete mode 100644 layouts/term.html

diff --git a/assets/auto/brake.ods b/assets/auto/brake.ods
new file mode 100644
index 0000000..6ab79ba
Binary files /dev/null and b/assets/auto/brake.ods differ
diff --git a/assets/auto/damper.ods b/assets/auto/damper.ods
new file mode 100644
index 0000000..82b9ee0
Binary files /dev/null and b/assets/auto/damper.ods differ
diff --git a/assets/auto/spring_bar.ods b/assets/auto/spring_bar.ods
new file mode 100644
index 0000000..306127b
Binary files /dev/null and b/assets/auto/spring_bar.ods differ
diff --git a/assets/auto/suspension.ods b/assets/auto/suspension.ods
new file mode 100644
index 0000000..e46f17d
Binary files /dev/null and b/assets/auto/suspension.ods differ
diff --git a/assets/auto/tire.ods b/assets/auto/tire.ods
new file mode 100644
index 0000000..f02fa6c
Binary files /dev/null and b/assets/auto/tire.ods differ
diff --git a/content/auto/index.md b/content/auto/index.md
new file mode 100644
index 0000000..f41d14f
--- /dev/null
+++ b/content/auto/index.md
@@ -0,0 +1,17 @@
++++
+title = 'Auto'
+date = '2026-01-10T17:22:57-05:00'
+tags = []
+draft = false
++++
+
+Collection of automotive-related spreadsheets for calculating suspension dynamics, brake bias, and so on.
+_I'm not an engineer, so use at your own risk._
+
+They're pieced together using information from several sources:
+
+- _Brake Handbook_, Fred Puhn, 1985.
+- _Engineer to Win_, Carroll Smith, 1984.
+- _Race Car Vehicle Dynamics_, Milliken & Milliken, 1994.
+- [_Springs & Dampers_](https://optimumg.com/springsdampers1/): Parts One through Six, Matt Giaraffa: OptimumG, 2018.
+- _Tune to Win_, Carroll Smith, 1978.
diff --git a/hugo.toml b/hugo.toml
index 2461d25..9f4bb5d 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -14,12 +14,17 @@ theme = 'aoidh'
     pageRef = '/'
     weight = 1
 
+  [[menus.main]]
+    name = 'Auto'
+    pageRef = '/auto'
+    weight = 2
+
   [[menus.main]]
     name = 'Articles'
     pageRef = '/articles'
-    weight = 2
+    weight = 3
 
   [[menus.main]]
     name = 'Projects'
     pageRef = '/projects'
-    weight = 3
+    weight = 4
diff --git a/layouts/_partials/asset_table.html b/layouts/_partials/asset_table.html
new file mode 100644
index 0000000..116b22d
--- /dev/null
+++ b/layouts/_partials/asset_table.html
@@ -0,0 +1,32 @@
+{{- /*
+For a given collection of global resources, render a table with
+the modification date of each resource and a link to the resource.
+The resources must be from the assets/ directory in order to get their
+modification times.
+
+@context {,} resource.Resources
+
+@example: {{ partial "asset_table.html" (resources.Match "spreadsheets/*.ods") }}
+*/}}
+
+<table>
+  <thead>
+    <tr>
+      <th>Mod. date</th>
+      <th>File</th>
+    </tr>
+  </thead>
+  <tbody>
+  {{ range . }}
+    {{- $fpath := printf "assets/%s" .Name -}}
+    <tr>
+      <td>
+      {{- with os.Stat $fpath -}}
+        {{- .ModTime | time.Format "2006-01-02" -}}
+      {{- end -}}
+      </td>
+      <td><a href="{{ .RelPermalink }}">{{ path.Base .Name }}</a></td>
+    </tr>
+  {{- end }}
+  </tbody>
+</table>
diff --git a/layouts/auto/page.html b/layouts/auto/page.html
new file mode 100644
index 0000000..eaa06d7
--- /dev/null
+++ b/layouts/auto/page.html
@@ -0,0 +1,6 @@
+{{ define "main" }}
+  <h1 class="title">{{ .Title }}</h1>
+  {{ .Content }}
+  <h1>Spreadsheets</h1>
+  {{- partial "asset_table.html" (resources.Match "auto/*.ods") }}
+{{ end }}
diff --git a/layouts/list.html b/layouts/list.html
index cc6c7be..edee471 100644
--- a/layouts/list.html
+++ b/layouts/list.html
@@ -1,5 +1,5 @@
 {{ define "main" }}
-  <h1>{{ .Title }}</h1>
+  <h1 class="title">{{ .Title }}</h1>
   <table>
     <thead>
       <tr>
diff --git a/layouts/term.html b/layouts/term.html
deleted file mode 100644
index c2e7875..0000000
--- a/layouts/term.html
+++ /dev/null
@@ -1,7 +0,0 @@
-{{ define "main" }}
-  <h1>{{ .Title }}</h1>
-  {{ .Content }}
-  {{ range .Pages }}
-    <h2><a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a></h2>
-  {{ end }}
-{{ end }}
diff --git a/themes/aoidh/assets/aoidh.css b/themes/aoidh/assets/aoidh.css
index dafb947..e740e70 100644
--- a/themes/aoidh/assets/aoidh.css
+++ b/themes/aoidh/assets/aoidh.css
@@ -185,7 +185,7 @@ div {
 
 ul {
   margin: 0;
-  margin-block: 0 var(--parspace);
+  margin-block: 0 1em;
   padding: 0;
   padding-inline-start: 2em;
 }
diff --git a/themes/aoidh/layouts/_partials/nav.html b/themes/aoidh/layouts/_partials/nav.html
index aadd2a8..81751ef 100644
--- a/themes/aoidh/layouts/_partials/nav.html
+++ b/themes/aoidh/layouts/_partials/nav.html
@@ -1,4 +1,3 @@
-
 <nav>
   <ul>
     {{- $currentPage := . }}
-- 
cgit v1.2.3