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Counter Rotating Turbines

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Counter Rotating Turbines

Old 08-01-2012, 12:39 PM
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raven4011
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Default Counter Rotating Turbines

Quick question, are there any turbine manufacturers that make counter rotating turbines? I need two turbines for a VTOL platform project, however it is crititcal to hovering stability that one of the turbines be counter rotating to balance the gyroscopic effects produced. Looking for something in the 50lb thrust class, and I already called Jetcat and was informed that they do not produce counter rotating P200's. Any help is appreciated, thanks!

- Raven<br type="_moz" />
Old 08-01-2012, 01:40 PM
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NZjet
 
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Default RE: Counter Rotating Turbines

jetcat used to make a counter rotating p200, b1 bob has 4 of them,  u may have to ask him really nicely......
Old 08-01-2012, 02:13 PM
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jason
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Default RE: Counter Rotating Turbines

ORIGINAL: NZjet

jetcat used to make a counter rotating p200, b1 bob has 4 of them, u may have to ask him really nicely......
That’s interesting I wonder what application they made them for? I guess they would need bespoke Turbine wheel, NGV, diffuser and use right hand threads on the shaft. So with all that work it must have been a good paying customer!

Jason
Old 08-01-2012, 03:11 PM
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raven4011
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Default RE: Counter Rotating Turbines

NZjet, thanks for the tip! I'll ask him how he went about having those made.


ORIGINAL: NZjet

jetcat used to make a counter rotating p200, b1 bob has 4 of them, u may have to ask him really nicely......
Old 08-02-2012, 02:27 AM
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mr_matt
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Default RE: Counter Rotating Turbines

Bob did not have them made, they were commissioned for an abortive VTOL application IIRC. One off, I am not sure they have any parts or any support for them at all.
Old 08-02-2012, 09:01 AM
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raven4011
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Default RE: Counter Rotating Turbines

Ok, I'll just post in the Jetcat board and ask them how this was accomplished.

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