ALMAs Lastdyr
'Mange bække små, gør en stor å', som det gamle ordsprog siger. I dette tilfælde er der nærmere tale omat mange hjul gør et stort arbejde.På billedet ses Otto, der er en af ALMAs to lastvogne, samt dens makker Lore. Otto og Lore var ansvarlige for at transportere ALMAs antenner op til Chajnantor-højsletten, der ligger 5000 meterover havets overflade i det nordvestlige Chile. Efter at have leveret antennerne, er det de to vognes opgave at omplacere dem efter videnskabsfolkenes ønsker. På denne video ses Otto i gang med dette arbejde.
Disse to kraftige dyr er de ultimative custom-modeller indenfor lastvogne. Det er tysk design fra vognfabrikant Scheuerle Fahrzeugfabrik, der har en imponerende fortid bag sig inden for flyttebranchen med speciale i tunglast. Det inkluderer tunge laster som Antares-raketten og en boreplatform der vejede 15.000tons.
De to lastvogne vist her er identiske på nær farven på deres sikkerhedsskinner. Otto har røde skinner og Lore genkendes af sine grønne skinner. Hver vogn har to dieselmotorer, hver med 700 hestekræfter, sammenlagt giver det 1400 hestekræfter per vogn. Begge vogne kan fjernstyres, hvilket giver dem som betjener maskinen mulighed for at se direkte på antennerne når de placerer dem med millimeters nøjagtighed.
ALMAs flyttemaskiner er så vigtige den del af ALMA-faciliteten at de kan betragtes om en del af teleskopet. Uden de to vogne var bygning, operation og vedligeholdelse af antennesamlingen umulig.
Dette billede var taget af José Velásquez
José Velásquez/ESO
Om billedet
| Id: | potw1416a |
| Sprog: | da |
| Type: | Foto |
| Udgivelsesdato: | 21. april 2014 10:00 |
| Størrelse: | 6028 x 4024 px |
Om objektet
| Navn: | ALMA transporters |
| Type: | Unspecified : Technology : Observatory |
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