# Star 45 radio sailing class (AMYA class rules 2019)

> What are the Star 45 RC sailboat class dimensions?

- Category: RC boats › Sailboats (class rules)
- Kind: Modern device
- Basis: Manufacturer specifications (AMYA Star 45 Class)
- Page: https://xemstudio.com/objects/star-45-class-rules/ · JSON: https://xemstudio.com/api/geometry?object=star-45-class-rules · Plain text: https://xemstudio.com/objects/star-45-class-rules/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 1143 | 304.8 | 1778 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- The Star 45 is an AMYA scale-like one-design based on the Olympic Star keelboat. Numbers are AMYA Star 45 Class Rules Rev 1.2 (Oct 2019).
- The geometry is an envelope from the maxima; hull lines come from the class mould and are not modelled.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

## Sizes

| dimension | value |
|---|---|
| Hull length | 45 in ±½ in (1143 ± 12.7 mm) (1.2) |
| Beam | 11–12 in (279.4–304.8 mm) at widest deck point (1.2) |
| Mast height | 70 in (1778 mm) max above deck incl. crane (3.2) |
| Jib stay attachment | 54 in (1371.6 mm) max above deck (2.8) |
| Mast section | ¾ in (19.05 mm) square max |
| Keel + bulb drop | 11½ in (292.1 mm) max (7.5) |
| Hull weight (bare) | 16 oz (454 g) min (1.4) |
| Rigged weight | 12 lb (5.44 kg) min (1.10) |
| A main luff / foot / leech | 62.75 / 25.5 / 65.5 in max |
| B main luff / foot / leech | 55 / 25.5 / 59 in max |
| Jib luff / foot / leech | 42.5 / 15.75 / 37 in max |

## Where the files are

- AMYA Star 45 Class: [Star 45 Class Rules Rev 2019](https://www.ussailing.org/wp-content/uploads/2020/12/Star-45-Class-Rules-Rev2019.pdf) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/star-45-class-rules/index.json

- star-45-class-rules-rule-envelope: [STEP](https://xemstudio.com/files/hardware/star-45-class-rules/star-45-class-rules-rule-envelope.step) · [STL](https://xemstudio.com/files/hardware/star-45-class-rules/star-45-class-rules-rule-envelope.stl) — Class-rule envelope 1143 × 304.8 × 1778 mm (length × maximum beam × mast height above deck); hull shape not modelled

## Questions

**How heavy must a Star 45 be?**

At least 12 lb (5.44 kg) rigged.

**How tall is the Star 45 mast?**

No more than 70 in (1778 mm) above the deck.

## Fits with

- [EC12 East Coast 12-Metre model yacht (AMYA 2014 class specifications)](https://xemstudio.com/objects/ec12-east-coast-12-metre-class-rules/)