Seth Thomas Semi-Deadbeat Escapement
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Felicidades me gusta pero unas preguntas ¿como calculas la cantidad de dientes del trinquete?, ¿porqué esa forma de dientes?, las piezas que bloquean al trinquete?, ¿el largo y peso del pendulo? y su frecuencia, me llama la atención saber estos cálculos para obtener los segundos y si varian ¿cómo hacer para mantener esa frecuencia de segundos? saludos desde VENEZUELA. Feliz Año Nuevo 2011.
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That is sure one interesting escapement wheel, and the clicking sound is very much like a car's turn signal sound.
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@Clockhistory I assume it was originally designed with the intention of being a true dead-beat, the slight recoil therefore being caused if the driving force is slightly too strong, causing the escape wheel teeth to pass further than the circular section of the pallet face. I have an identical escapement in a Philip Haas 30 hour striking clock. I believe most 31 day Korean clock movements also use this type of pallets, but inside the plates.
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Seth Thomas wasn't the only company to use this escapement.
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mesmorizing
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I collect antique and older clocks because I really like the ticking sound and love the chime sounds from the chiming clocks.
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This should be a fully dead-beat escapement. If there is any recoil, it could indicate wear on the pallet surface.
TommyWylie 1 year ago
The shape of the pallets give it a slight recoil. This can be seen by the recoil that occurs when an escape wheel tooth goes very deep in to the exit pallet. It is a "semi-deadbeat" because it is an economical version of a true deadbeat escapement.
Clockhistory 1 year ago