Star 45 radio sailing class (AMYA class rules 2019) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/star-45-class-rules/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (AMYA Star 45 Class)
Catalog version: 2026-10-20

Overall (mm): length 1143, width 304.8, height 1778
- 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.

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

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- AMYA Star 45 Class: Star 45 Class Rules Rev 2019 — web — Publisher's page; dimensions are facts — https://www.ussailing.org/wp-content/uploads/2020/12/Star-45-Class-Rules-Rev2019.pdf

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/star-45-class-rules/index.json
API: https://xemstudio.com/api/geometry?object=star-45-class-rules