That’s because that’s exactly what they are People tend to associate the word “turbine” with something like this:they kind of look like mini turbines.
That’s because that’s exactly what they are People tend to associate the word “turbine” with something like this:
However, this is also a turbine:
Anything that begins to spin because of a flow of fluid around it (gases like air are a fluid for these purposes), is a turbine. In an application like on your model, the turbine is probably more likely to be called an impeller, but that’s really just a description of its purpose rather than what it is.
Richard - Turbines, impellers, whatever you care to call them, they are a very neat bit of modelling and improve the detail no end.
Excellent stuff.
Ron
Hi Richard
Looks to have worked. No damage to the decals? Did you just apply it to the decal and then allow it to dry naturally or did you rinse it off?
Jim
You’re entirely correct calling it a turbine, because it is It’s driven by airflow resulting from the aircraft’s speed, in the same way a windmill is turned by air blowing past it on its own accord.The reason I used the word turbine is because the pod propeller was listed as a Ram Air Turbine on the pod instruction manual attached here...and like many people assumed it worked like a turbine...
An impeller is a turbine The word just means it’s used to drive something, whereas “propeller” means it’s used to move something forward. In both cases (turbines/impellers and propellers), the blades are usually airfoils,* like an aircraft’s wings. In the case of an impeller, the air (or water or hydraulic oil or whatever) flowing past the blades causes them to move, turning the shaft; in case of a propeller, an engine turns the axle that the propeller is on, causing it to move through the air and pull itself forward just like a wing lifts the aircraft up.Interesting that these three, propeller, turbines and impellers work using blades.
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