Quote:
Originally Posted by Knufire
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.
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.
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2 liter bottles are good to about 120psi before failure, 20oz is probably a fair bit higher. You can do some destructive tests first. I would suggest clear polycarbonate tubing which you can buy from McMaster as you can use pipe fittings with it.
Alternatively just use a long piece of clear hose.