File:Animation Dirigeable à vapeur d'Henri Giffard.webm

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Original file ‎(WebM audio/video file, VP9, length 13 s, 1,228 × 1,458 pixels, 954 kbps overall, file size: 1.48 MB)

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Summary[edit]

Description
Français : Animation du vol du 24 septembre 1852 du dirigeable à vapeur d'Henri Giffard, d'après la gravure de L. Guiguet tirée de : LES BALLONS DIRIGEABLES, Expériences de M. Henri Giffard en 1852 et en 1855 et de M. Dupuy de Lôme en 1872, par Gaston Tissandier, 1872

[1]. Le dirigeable mesurant 44 m, on peut calculer que sa vitesse dans cette animation est de 6,3 m/s (22 km/h), ce qui est le double ou le triple de la vitesse annoncée par Giffard (2 à 3 m/s).

Cette animation existe aussi en gif, mais son poids est très important :
.
Date
Source Own work
Author Bernard de Go Mars

Licensing[edit]

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
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File history

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Date/TimeThumbnailDimensionsUserComment
current08:39, 23 May 202213 s, 1,228 × 1,458 (1.48 MB)Bernard de Go Mars (talk | contribs)Uploaded own work with UploadWizard

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Transcode status

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Format Bitrate Download Status Encode time
VP9 1440P 1.05 Mbps Completed 08:39, 23 May 2022 18 s
Streaming 1440p (VP9) 1.05 Mbps Completed 05:11, 13 January 2024 4.0 s
VP9 1080P 518 kbps Completed 08:39, 23 May 2022 14 s
Streaming 1080p (VP9) 518 kbps Completed 18:52, 16 January 2024 6.0 s
VP9 720P 244 kbps Completed 08:39, 23 May 2022 10 s
Streaming 720p (VP9) 243 kbps Completed 13:10, 25 January 2024 1.0 s
VP9 480P 114 kbps Completed 08:39, 23 May 2022 8.0 s
Streaming 480p (VP9) 114 kbps Completed 05:25, 18 December 2023 1.0 s
VP9 360P 58 kbps Completed 08:39, 23 May 2022 5.0 s
Streaming 360p (VP9) 58 kbps Completed 08:48, 2 January 2024 1.0 s
VP9 240P 27 kbps Completed 08:39, 23 May 2022 4.0 s
Streaming 240p (VP9) 27 kbps Completed 04:24, 12 December 2023 5.0 s
WebM 360P 211 kbps Completed 08:39, 23 May 2022 2.0 s
Streaming 144p (MJPEG) 565 kbps Completed 07:44, 30 October 2023 2.0 s

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