Via the suite of onboard sensors the HUD, originally designed for snow sports, has been customized to display glide ratio, speed and altitude via a micro LCD screen sitting unobtrusively inside the pilot's goggle.
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The inquiry heard that in second gear, in low ratio, the maximum speed was 18.2mph, but 39.7mph in high setting.
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That may speed collection, but it also raises the risk-reward ratio of evasion.
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Even the new proposed high-speed line in Britain has been shown to yield a benefit-cost ratio of around two-to-one.
ECONOMIST: Letters
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