As the fleet ages, many owners and builders forget to check the date codes on rubber hoses, especially in the engine compartment. Rubber hoses, unless Teflon-lined, have a useful life of eight years.
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Steen Skybolt
The Steen Skybolt is a fabric-covered, wood-ribbed biplane that is built for aerobatics—and doesn’t disappoint. By Ed Wischmeyer.