Is a Toroidal Engine a More Powerful Alternative to Reciprocating Engines?

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Discussion Overview

The discussion revolves around the design and mechanics of a toroidal engine, specifically exploring the feasibility of a gearing assembly that allows for specific output increments in relation to input rotations. Participants are considering various mechanical solutions and configurations for achieving the desired motion and power handling, while also referencing the operational principles of toroidal engines.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires about a gearing assembly that functions oppositely to a Geneva mechanism, suggesting a design that holds output stationary during certain input increments.
  • Another participant questions the required power levels and RPM, proposing the use of a microprocessor and stepping motor for control.
  • There is a suggestion that a mechanical solution might be preferable to an electromagnetic brake for holding the output position.
  • Some participants propose using a worm gear or a combination of an interrupted gear and a cam to achieve the desired mechanical action.
  • A detailed description of the toroidal engine's operation is provided, outlining the phases of the engine cycle and the role of pistons in the process.
  • Participants discuss the need for a robust gearing mechanism that can handle the power demands of the engine while being fast-acting.

Areas of Agreement / Disagreement

Participants express various ideas and suggestions regarding the mechanical design, but there is no consensus on the best approach or solution. Multiple competing views on the mechanics and configurations remain unresolved.

Contextual Notes

Participants mention the need for a mechanical linkage that is robust and fast-acting, indicating potential limitations in the proposed designs that may depend on specific assumptions about power and efficiency.

  • #31
The main attraction of the toroidal engine is its power density which is a lot greater than that of the conventional reciprocating engine. As example, an engine of the size (to scale) of that illustrated in my previous insertion would have a displacement of approximately 118 cubic inches (1.9 liter). At any given RPM, its equivalent displacement would equal that of a reciprocating engine of twice the displacement (236 cubic in./3.8 l). An increase of toroid "tube" diameter to 4 inches and of the torus center to center of the tube also to 4 inches yields a displacement of approximately 280 cubic inches (4.6 l), (equivalent to 560 cubic inches or 9.2 l). This would be approximately 12 inches in diameter.

KM
 
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