Auto a razzo

Disambiguazione – "Rocket car" rimanda qui. Se stai cercando l'accezione nel campo del modellismo, vedi Rocket car (modellismo).
La Opel RAK.2

Un'auto a razzo è un veicolo terrestre mosso da un propulsore a razzo.

Sammy Miller nel 1984 al Santa Pod Raceway ha registrato il più veloce tempo sul quarto di miglio di sempre, 3,58 secondi a 386,26 miglia orarie, utilizzando un'auto con motore alimentato a perossido di idrogeno chiamata Vanishing Point. Il record è stato testimoniato da 10.000 spettatori e funzionari presenti. Si tratta di un tempo superiore alle prestazioni dei più noti dragster con motore a pistoni.[1]

Storia

Max Valier al volante di una Opel Rak.6

Record di velocità

Le auto a razzo sono capaci di alte velocità, un tempo furono detentrici del record di velocità terrestre, ora detenuto da auto a turbogetto). Le auto a razzo differiscono da quelle a turbogetto in quanto non hanno necessità di prese d'aria per alimentare il motore. Le auto a razzo corrono per brevi tratti, usualmente meno 20 secondi, ma l'accelerazione è tanto alta quanto non elevata è la velocità di punta raggiungibile. Kitty O'Neil nel 1977 registrò il record di velocità sul 1/4 di miglio con 3,22 secondi alla velocità di 396 mph. Usando perossido di idrogeno raggiunse i 412 mph[2]. Un tipo differente di veicolo usa un ibrido ossido di nitro come ossidante come il British Rocket Dragster, 'laffin-gas'[3] Negli Stati Uniti d'America tali veicolo sono caduti in disuso per ragioni di sicurezza, mentre in Europa continuano ad esistere.[senza fonte] Dragster a razzo sono usati per competizioni drag racing, e questo tipo di veicolo detiene il record del mondo non ufficiale di velocità sul 1/4 di miglio.[senza fonte]

Auto a razzo note

Note

  1. ^ Drag Racing Story of the Day - The Rocketman Checks In: Ky Michaelson Lists All his Rocket Dragsters, su www.draglist.com. URL consultato il 14 agosto 2023.
  2. ^ Drag Racing Story of the Day - The Rocketman Checks In: Ky Michaelson Lists All his Rocket Dragsters, su draglist.com. URL consultato il 6 agosto 2011.
  3. ^ The Laffin Gas Project, su laffin-gas.com. URL consultato il 6 agosto 2011 (archiviato dall'url originale il 13 luglio 2011).

Bibliografia

  • Ky Michaelson, Rocketman: My Rocket-Propelled Life and High-Octane Creations : Motorbooks Intl, 2007 ISBN 978-0-7603-3143-9

Altri progetti

Collegamenti esterni

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