Minor rant: You can't send morse code by tapping random objects, dammit.
Morse uses beeps of different lengths. If you can't send a dit that is distinct from a dah, it just isn't going to work. For example, R is di-dah-di. It might be tempting to think you could fudge that as tap-tap-(pause)-tap, but that doesn't work. You just sent 'ie' (di-di di) instead. Spacing is used to denote letter, word and sentence boundaries only. You might as well try to speak English without any consonants.
I know it's a very convenient plot tool to have people communicating between locked rooms by hitting a pipe with a wrench. But the only message they can send is "I'm hitting a pipe with a wrench!" Please, find a better solution.
Morse uses beeps of different lengths. If you can't send a dit that is distinct from a dah, it just isn't going to work. For example, R is di-dah-di. It might be tempting to think you could fudge that as tap-tap-(pause)-tap, but that doesn't work. You just sent 'ie' (di-di di) instead. Spacing is used to denote letter, word and sentence boundaries only. You might as well try to speak English without any consonants.
I know it's a very convenient plot tool to have people communicating between locked rooms by hitting a pipe with a wrench. But the only message they can send is "I'm hitting a pipe with a wrench!" Please, find a better solution.