I had images of using a turbocharger and harnessing that but with air or
exhaust it would need a fair bit of flow to develop the output required.
This does remind me of one of the more extreme Nick Mann creations seen
here http://www.youtube.com/watch?v 687nVdzdk . 1700 BDA turbo with a
turbine providing the exhaust to spin the turbo.
I've clocked my home made air turbine driven engraving spindle at 70k rpm,
not that the bearings are rated at that. It is a simple nozzle impinging on
an aluminum gear wheel - exhaust (lubricated) air passes through the
bearings. I'd expect that to be generating significant power albeit not a
The only chap I know of who got something similar used a model jet
engine (he builds them) with a separate power turbine to ... power
another jet engine, in test mode.
On 16/11/14 18:21, Adrian Caspersz wrote:
I bought one (an earlier version) from eBay. It's precision-glued
together to the fan, and can't be dismantled while remaining useful or
needing precision reglueing - it needs the airflow to keep the motor
cool - also it isn't anywhere near 2 HP.
-- Peter Fairbrother
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