F1's recent regulation changes have been likened to "playing football with a square ball" by former Red Bull advisor Helmut Marko, who fears the refinements implemented during the spring break do not go far enough to address fundamental issues.
The Austrian's colourful criticism comes as F1 heads to Miami Grand Prix for the first race since revised technical regulations were introduced, aimed at reducing the current emphasis on energy management over pure racing.
When asked about the likelihood of seeing genuine wheel-to-wheel combat rather than conservation tactics this weekend, Marko expressed scepticism about the changes' effectiveness.
"In principle, the regulations need to be given a chance, but I fear the latest changes aren't significant enough," he told Krone Sport.
"The goal is clear: increase the power output of the combustion engine and reduce electrical energy consumption."
Marko revealed that current modifications represent just a fraction of what is ultimately required.
"And from what I hear, they've only achieved 20 per cent of what they ultimately want," he added. "Right now, it's like playing football with a square ball."
The complexity of modern F1's energy systems remains a particular bugbear for the 83-year-old, who highlighted the intricate software management required and referenced technical elements such as superclipping.
Concerns about drivers running out of energy at Miami's high-speed layout, featuring three lengthy straights, prompted Marko to acknowledge the uncertainty surrounding the weekend's racing prospects.
"I can't really answer that; there's so much software involved," he admitted. "But generally speaking, it's all far too complicated. Just look at superclipping — and that's precisely where the safety aspects come into play."
Looking ahead, Marko suggested a more radical overhaul is needed, concluding: "I think we need to draw a line soon and declare what will happen in 2029 or 2030.
"With sustainable fuel, combustion engines can, in principle, run without any noticeable loss of power."
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