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  • racetothesalt

Making it slippery

I am sure most of you readers realise that 80% of all my engine power will be used to overcome drag, and therefore i need to make the streamliner as slippery as possible. I have a target of better than Cd 0.25, and i take great solace in the fact that the most drag efficient production car is a Mercedes A class at Cd 0.22, and i has open wheels, wing mirrors, door handles, air scoops and all sorts of angle transitions.

So this week we have added an aluminium underbelly to aid flow under the bike and i have started to fix the bodywork. started with Dzus fasteners, but am now preferring Rivnuts as you can use longer bolts, and strangely, the bolt head is just 1mm bigger in diameter than the Dzus fastener, so little penalty.

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