Pirelli's 2017 Formula One tyre testing has been hindered by adverse weather conditions and has forced the tyre manufacturer to postpone the tests to 2017.
Pirelli motorsport boss Paul Hembery once again called for a warm weather pre-season Formula One testing next year after more rain in Barcelona hindered the development program this week.
Mercedes Formula One team was testing the new 2017 tyres In Barcelona this week, with Nico Rosberg and Pascal Wehrlein behind the wheel.
Rosberg managed to clock 60 laps on Wednesday in a modified 2015 car at the Circuit de Catalunya in Spain.
But Wehrlein only managed to drive for 31 laps on Thursday. After the overnight rain, Pirelli and Mercedes faced damp track surface with the track temperature of just 15 degree celsius.
Along with the rain fog also returned to bring a premature end to the day's program. Wehrlein short run on the track was spent with intermediate tyres.
The Italian tyre makers 2017 tyre testing has been supported by Mercedes and Ferrari while Red Bull and other smaller teams will remain at Barcelona.
Pirelli will be again testing the tyres in Yas Marina Circuit, Abu Dhabi. It is expected that finally, Pirelli will find the good dry weather to acquire valuable data from the testing with the three testing program.
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