Formula One: Paul di Resta splits from manager Anthony Hamilton

Hamilton, the father of 2008 World Championship winner Lewis Hamilton, played a key role in helping Di Resta acquire his seat with Force India at the start of last year after the 26-year-old had won the 2010 DTM title with Mercedes.

But after two years of working together the pair have gone their separate ways, with no official explanation behind the decision, and with no statement due to be released.

Di Resta is gearing up for this weekend’s British Grand Prix and yesterday promised “maximum attack” in his bid to pull off the Silverstone result he craves.

He has enjoyed an admirable second season so far in F1, claiming 27 points from eight races, matching his tally from his entire debut campaign with Force India last year.

Nevertheless, the Scot feels he should have had more, in particular from the European Grand Prix last time out in Valencia.

Describing the car as “the best I’ve driven over a grand prix weekend”, a mistake in qualifying saw Di Resta start tenth, while a debatable one-stop strategy resulted in him finishing seventh.

The upshot is if Di Resta has the car beneath him over the course of the British GP, he will not be making the same mistakes and playing it conservative.

In particular, Di Resta is determined to improve on a superb sixth place in qualifying last year, even though the race went awry via a pit-stop blunder from his team that saw him wind up 15th. “All round it was our best grand prix up until that stage of the season, qualifying sixth, and we were on course for a seventh-placed finish,” Di Resta said.

“It would be nice to certainly repeat qualifying and then have a strong race finish this time, but whether that’s achievable...

“If you look at where we were this time last year, we’ve every reason to believe we could achieve it again.

“Following on from Valencia the car we have is encouraging. We’ve tuned it and tuned it, and we’ve made a good step, so I certainly hope we can carry our form over, whatever happens.

“Despite what happened, with my mistake and the strategy, there are massive positives to take, and we’ve some upgrades coming too so hopefully they will work. However, the weather is far from straightforward in the UK at the moment.”

With rain falling in much of the country this week, the forecast is for a wet event across all three days at Silverstone, adding to the unpredictability of what has so far been an impossible season to call.

Regardless of the conditions, Di Resta is determined to enjoy the grand prix weekend now he has become more accustomed to life in F1.

“It is obviously a big race, one of the biggest of the year; it’s certainly my biggest one,” added Di Resta. “I’m very much looking forward to it. I know a bit more and hopefully I’ll be able to enjoy it a bit more.

“But to beat the success we had last year is going to be a handful in itself. I want to go there and see what we can do. We won’t be giving up that’s for sure. It will be maximum attack.”