Guardian Cryptic Crossword No. 23854

[lucas611]

20 Choice of model to enter bay in the Orkneys (4)

I know it's vote (choice,) but could someone explain what the rest of the clue means.

Thanks

[teacher1]

Voe is a small bay in the orkneys and model is t as in model t car I think.

[geo0939]

Sullom voe with modelT

[lucas611]

Thanks chaps, I think my knowledge of orcadian geography needs some attention. ;-)

[Dinkypuzzled]

Ford Model T car was colloquially known as 'Tin Lizzie'.