Sauber team principle Monisha Kaltenborn fears the team may struggle to score any points in the 2016 season because of the Manor team switching to Mercedes power and the addition of Haas F1 to the grid.
Kalertborn's team have been consistent this season and are set to finish eighth in the constructor's championship, ahead of both McLaren and Manor.
However, with the inclusion of Haas next year, the change of power unit for Manor and the expected improvement of McLaren they could find themselves at the bottom of the pile for the 2016 season.
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As a team that runs with its finances resting on a knife-edge, their F1 status could be thrown into jeopardy if they were to finish bottom. Should that occur, there is the possibility of Sauber dropping off the grid for the following season.
Kaltenborn confirmed her concerns: "I am, in principle, happy because we have, in many ways, come back to where we usually are, but I think there is more potential there which we have to utilise next year, so I'm not totally happy," according to Crash.net.
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"We have Manor coming in with a new [engine] tie-up, and we have a new team coming in which, we learned from the media, has had intensive co-operation with another team, so it's going to be very tough to score a point."
Not only have Manor managed to secure themselves Mercedes power for next season they will also be entering into a technical partnership with Williams which will allow the pair to share gearbox parts as well as other technical advantages. Both of these deals led many to the conclusion that Manor could, and should, be regular point scorers next year.
It is very rare for a team to join the grid and regularly score points in their first season, but with the close relationship that seems to be blossoming between Ferrari and Haas that could be about to change.
As it stands Haas F1, will start next season with as many Ferrari components as is allowed under the Sporting Regulations.
Haas have to own the IP for its monocoque, survival cell, roll structure, bodywork, wings, floor and diffuser, but all other components will be supplied by Ferrari as part of the deal.
They have also been granted the use of Ferrari's wind tunnel which has been crucial in the production of their 2016 car according to various reports from inside the team.
So, with only ten positions earning points and 22 cars on the grid next season, Williams may have very valid concerns but only time will tell just how competitive Haas and Manor turn out to be.
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