Hard Drive Tesla Turbine

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If you have a few old hard drives laying around here is Hard Drive Tesla Turbine that can be made in a few simple steps.

"Build a Tesla turbine from 2 old computer hard disk drives using basic hand tools and a pillar drill. No metal lathe or other expensive fabrication machinery is required and you only need some basic craft skills. It’s crude, but this thing can scream! Tesla Turbines promise up to 92% efficiency of converting air or fluid flow to rotational energy and its use can also be inverted for use as a pump with exceptionally high efficiency too. With compressed air becoming recognised as a feasible form of energy storage, we can see this device in everyday life soon as a source of locomotion."

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14 Comments


  1. I’m not knocking it, but it doesn’t seem to have any practical applications at this time. Seems like everyone is building them, but to what end? Just for the geek factor? Again, I’m not putting it down, but I think I’d like to see one used for a purpose other than a conversation piece, or paper weight.


  2. is that 92% the carnot efficiency of the engine?


  3. And the tesla turbine makes up for other engine’s short comings. Unlike the ICE, the tesla turbine can run on anything. Unlike Bladed turbines, the Tesla turbine can run more efficiently and with greater horsepower per volume. However, the tesla turbine lacks torque. Whether it will be used in the future is debatable.


  4. While it does lack torque that can be solved with a flywheel (or multiple flywheel system).


  5. The Tesla turbine’s low cost and high reliability, combined with all-fuel capability, makes a beautiful design for a high-speed alternator to extend battery range in electric cars.

    Also, the Tesla turbine has recently been proven to be the only turbine design that can run reliably on 100% biomass combustion products, with very few emissions, too.

    With improved modern materials and a simple clever design, the Tesla turbine is now poised to revolutionize industry, the way it should have 100 years ago.


  6. Go Nikolai! Hey richard, could you explain that a little more indepth? I plan on building a tesla turbine and putting it on a small vehicle that I am designing. Need a way to improve torque.


  7. Ben H:
    I am (sort of) in the process of doing the same. Although I don’t have a certain application in mind as of yet (such as a small vehicle). A flywheel is a manner of storing energy, just like the engine in your car, the flywheel is used to get the car rolling without it the engine would stall every time you let out the clutch. By spinning the flywheel you can use the energy stored by the spinning disc(or discs) to move something of greater mass (such as a vehicle).


  8. Although an auto flywheel will store energy, it’s main purpose is to even out the engine pulses. If you were to rev up an auto engine to maximum redline revs and pop the clutch without pressing the gas pedal, the vehicle will only jump forward a couple of feet.

    In terms of kinetic energy, a typical 8 inch Tesla turbine at 30,000 rpm will have much more kinetic energy from the flywheel effect, than the heavier auto flywheel at 10,000 rpm. However, the flywheel effect will not change the actual torque output of an engine or turbine at any particular constant rpm. That will require gearing.


  9. The flywheel is not used to dampen engine pulses, it is a mechanism to transfer the engine’s power. There has to be some amount of slip upon application of torque. If the engine was direct drive then as soon as the drivetrain was engaged either the wheels would have to immediately spin up to speed or the engine would stall.

    Exactly, gearing is necessary. No one is talking about direct drive for the turbine. Also the amount of torque necessary to keep something moving is much less than the amount necessary to start it.


  10. The device that is used to slip upon application of torque in a standard transmission automobile is called the clutch, not the flywheel.

    Furthermore, an automatic transmission does not even use a flywheel, but a thin plate to mount the torque converter instead.


  11. I am aware of this. That is why I said the flywheel is “a mechanism to transfer the engine’s power”.

    An automatic transmission works in the same way as a clutch. It just uses fluid for the slippage and transfer of power.


  12. You don’t have to worry about stalling a tesla turbine engine unless you are using a super charger to pump in the air. Thanks for the info on the fly wheel. I was hoping not to have to put a gearbox on the thing, however.


  13. i want to build a water driven tesla turbine to drive a shaft. i want to replace a 1hp, 115/230V 1 phase motor which spins at roughly 1750rpm. any brains out there want to take a shot at how much water pressure i need and what scale of turbine i might need to build?


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