<span>I've seen too many cases of 'How'd that happen?' to trust one bolt. A little redundancy never hurts, for those times when Peter and his p</span><span>rinciple pop up.</span><div><span>
</span></div><div>Had a guy flying his 40-size high-wing trainer with 6 rubber bands. They musta been old because the trainer porpoised a few times, then the wing detached. End of trainer. The rubber bands that were found looked OK, but one or more must have failed. </div>