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Forum: Auxiliary Equipment & Dinghy

20-06-2013, 18:55

Replies: 16

Wind Vanes

Views: 3,301

Posted By Chrisc

Re: Wind Vanes

Charliehows, Unfortunately I think you are correct and that I'm on a highway to nowhere with my research and my test beds etc.
In my defense, I have many thousands of happy miles with windvanes of...

Forum: Auxiliary Equipment & Dinghy

20-06-2013, 01:26

Replies: 16

Wind Vanes

Views: 3,301

Posted By Chrisc

Re: Wind Vanes

From the test bed:
With the vane axis at the recommended 20 degrees, ie boat upright, airflow regulated at 12metres/sec (approx 23 knots) and an angle of attack at 7 degrees, I get a vane deflection...

Forum: Auxiliary Equipment & Dinghy

19-06-2013, 19:03

Replies: 16

Wind Vanes

Views: 3,301

Posted By Chrisc

Re: Wind Vanes

I accept that an inclined horizontal axis vane is necessary - I have messed about in my workshop with a test rig and an industrial sized fan and concur that an angle off horizontal provides a good...

Forum: Auxiliary Equipment & Dinghy

13-06-2013, 04:20

Replies: 16

Wind Vanes

Views: 3,301

Posted By Chrisc

Wind Vanes

I have a question relating to horizontal axis vanes. I have read some research that says the optimal angle of the air vane axle is 20 degrees off the horizontal, leading edge up. This imparts damping...

Showing results 1 to 4 of 4

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