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This was supposed to be a 1 mile climb test, but the FAA-required aviation orange paint - applied at 50 foot intervals to the ribbon - contained acetone, which weakened the ribbon. The first two attempts of the day resulted in ribbon breaks due to this acetone-induced degradation. With the ribbon in a weakened state, [...]

Drill bit. Dissolve some of the leftover TNT in hot acetone, pour the resulting solution into a container of cold water, and stir vigorously. Most sensitive type. Using heavy hand pressure, leaving a hole in which to insert the detonator. A standard No.8 blasting cap will initiate the TNT, which in turn will detonate the [...]