Listen to this article Neither Hamilton nor teammate George Russell have appeared completely comfortable with their car during this week’s Bahrain test, with the Mercedes not looking at ease in the rapidly changing conditions at Sakhir. Hamilton set the fourth-fastest time at the end of regular running on Friday, although his effort was subsequently beaten by Kevin Magnussen’s Haas – which completed an extra hour on track solo to compensate for freight delays that caused it to miss Thursday morning’s session. Although Hamilton is not completely disheartened by the situation, he admits things have been far from ideal. “Yeah, it’s tough,” he said after the penultimate day of pre-season testing prior to next weekend’s first grand prix in Bahrain. “I mean, you can see on the on-board, tank-slappers left, right and centre. You’re bouncing and bumping and it’s not quite happy at the moment. But we’re trying to tame her.” Hamilton does not think that the upgrades Mercedes has brought to the Bahrain test are to blame for the struggles, as he instead suspects that the unique conditions of the Middle Eas …