Grunin ESKA-1 experimental ekranoplan (2-seat) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/grunin-eska-1-ekranoplan/  (sheet CC BY 4.0)
Basis: Secondary source: Hassan Hameed (copy of en.topwar.ru article), The Maldives National Journal of Research (H. Hameed, 2019) (copy of the maker's figures; the maker publishes none directly)
Catalog version: 2026-10-20

Overall (mm): length 7800, width 6900, height 2200
- ESKA-1 is E. P. Grunin's small Lippisch-type experimental ekranoplan from the Soviet amateur/institute scene of the 1970s.
- The file is a 7.80 × 6.90 × 2.20 m box from a performance table reproduced from a Topwar article (also tabulated in Hameed 2019).
- Marked secondary.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

dimension  value
Length  7.80 m
Wingspan  6.90 m
Height  2.20 m
Wing area  13.85 m²
Empty weight  234 kg
Flight weight  450 kg
Engine  M-63 piston, 32 hp (24 kW)
Maximum speed  140 km/h
Cruise speed  100 km/h
Range  350 km
Ground-effect flying height  300–1500 mm
Crew  2

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Hassan Hameed (copy of en.topwar.ru article): Experimental ekranoplan ESKA-1 — web — Publisher's page; dimensions are facts — https://www.hassanhameed.com/wp-content/uploads/2023/05/Experimental-ekranoplan-ESKA-1.pdf
- The Maldives National Journal of Research (H. Hameed, 2019): The design of a four-seat reverse delta WIG craft, Table 5 — web — Publisher's page; dimensions are facts — https://mnjr.mnu.edu.mv/journal/article/download/97/66

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