No idea but I have a couple of suggestions:
1) Have a look around youtube for videos of similar diesels and some lorry horns.
2) Ask the guys at Rapido. They make no secret of their obsession with trains so they might have an answer.
Good luck with the refurbishment
David
1) Have a look around youtube for videos of similar diesels and some lorry horns.
2) Ask the guys at Rapido. They make no secret of their obsession with trains so they might have an answer.
Good luck with the refurbishment
David