Haas team principal Guenther Steiner hit out at Romain Grosjean's "rookie" crash under the safety car at the Azerbaijan Grand Prix and says the American squad are beginning to grow concerned at their failure to earn the points their pre-season promise had suggested would be on offer in the opening races of 2018.
Haas ended pre-season testing looking like Formula 1's fourth-best team and their locking-out of the third row in Melbourne led to accusations of cloning Ferrari's car against the rules.
However, a double DNF in Melbourne thanks to faulty pit-stops has been followed by further disappointments - compounded by Grosjean's crash in neutralised conditions in Baku, when he was running sixth.
Grosjean slammed into barriers while weaving to keep his tyres warm and later blamed the incident on an accidental flip of a switch - but Steiner says there was no excuse.
Steiner said: "You don't expect from a rookie or anybody.
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"In the position like we are in we have got a good team, everything is good, we just need to get it together for one weekend, execute it well over the whole weekend and we will be fine.
"Just at the moment it feels like we always let it slip. Then you always feel like you are running out of time but then again it's only race four. I'm not saying it's fantastic, we should have done better."
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