All the guide spacing formulas used here are based on the same basic principle: Gradually increase the distance between each successive guide. The amount of the increase is the Increment (i).

---

Clemens spacing is based on two 'anchor' guides (first and last).

User defined variables:
Rod Length : rl
Number of guides : ng
First Guide Position : fg
Last Guide Position : lg

Calculated variable:

Increment:

---

Cattanach spacing is based on an 'anchor' guide (index) and an increment value.

User defined variables:
Number of Guides : ng
Index Guide Position : ig
Distance to Index Guide : di
Increment : i

Calculated variable:

First Guide Position:

---

Hybrid spacing is based on two 'anchor' guides (first and index).

User defined variables:
Number of Guides : ng
First Guide Position : fg
Index Guide Position : ig
Distance to Index Guide : di

Calculated variable:

Increment:

---

All methods then calculate the guide positions (g₁..g_ng) as follows:

---

Last Updated -