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Old 19 Jan 2013, 22:24 (Ref:3191577)   #14
ScotsBrutesFan
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I've been fiddling around with my crossover design above adjusting the scale etc and generally crunching some numbers.
At 20m (60+ ft) wide, to scale it would be around 2.33 miles.

Allowing for a 1.5m (4.5 ft) deep bridge deck, and a minimum of 5m (15+ ft) of clearance

The vertical difference between the inside curves of the inner and out ovals would need to be approx 12m (40ft)
If the inner curves are to be highly angled then the vertical differnece would go up to allow spectators on the outer banking a view down.
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