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Russian Knight
Commemorative Russian Silver coins
Series: The History of the Russian Aviation
Russian Knight
Par : 1 ruble
Release Date: 01.04.2010
Mint: Saint Petersburg Mint (SPMD).
| Metal, fineness | Silver 925/1000 |
| Quality | Proof |
| Content chemically pure metal, g | 7.78 |
| Total weight, g | 8.53 |
| Thickness, mm | 2.2 |
| Diameter, mm | 25 |
| The edge | 200 corrugations |
| Mintage, pcs. | 5000 |
The Sikorsky Russky Vityaz (Russian: Русский витязь), or Russian Knight, also called Le Grand, was the first four-engine aircraft in the world, designed by Igor Sikorsky and built at the Russian Baltic Railroad Car Works (Russo-Baltiiskyi Vagonnyi Zavod or R-BVZ), in early 1913. On August 2, 1913 with this plane there was established the world record of a flight duration - 1 hour and 54 minutes.
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