Quote:
Originally Posted by Wren Hensgen
Which competition is this? Would a glass or plastic porthole into the tank be acceptable?
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Shell Ecomarathon. The tank would be providing pressure to the fuel injector for a small engine. The rationale behind the rule is to ensure that we're not premixing fuel with the air, though the implementation seems to be poor.
Quote:
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Originally Posted by SHELL ECO-MARATHON
2017 OFFICIAL RULES. CHAPTER I
b) It is permitted to pressurise the liquid fuel tanks, in order to feed the engine, only under the
following conditions:
i. Pressurisation is done by means of a translucent compressed air bottle fitted with a safety
valve set to 5 bars maximum – or the lower operation pressure of the vehicle system.
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Most teams seem to be jerry-rigging something out of a 20oz soda bottle; seems less safe to me than just letting use COTS storage tanks.