Re: Data points for INAV submission?

From: William Gowen <wdgowen_at_gmail.com>
Date: Sun, 16 Dec 2012 11:02:52 -0500

St. Lukes, Dunwoody, GA 1124.

On 12/15/2012 3:02 PM, mkirda_at_sbcglobal.net wrote:
>
> Greetings.
>
> I have been working on a spreadsheet that would compute the Reynolds
> number that a propeller works at.
>
> One of the variables here was elevation.
>
> Locations
> Urbana 738
> Racine 620
> Kent 1050
> Lakehurst 101
> Kibbie Dome 2610
>
> Before I submit this, if there are any locations you'd like me to
> include, please send it my way.
>
> Also if anyone knows of a way to compute dynamic viscosity in air
> given elevation and temp in the same equation, please send it my way.
> It would make the spreadsheet even easier to use...
>
> Also I am including data points for two outlines - John Kagan's
> 'Fatboy' outline and Brett Sanborn's 'Source Decay' outline.
> If you have others that you'd like me to include, please send them my
> way in a simple format.
>
> Prop shaft to beginning of blade length. i.e. 1 inch
>
> Length from innermost part of blade, width (both in inches) Fatboy
> below...
> 1.25 1.6875
> 2.375 2.25
> 3.5 2.48
> 4.625 2.48
> 5.75 2.25
> 6.875 1.6875
> 7.25 1.3125
>
> Also please do not let the F1D data fool you - this will work with all
> prop types. I'd love to include a couple pennyplane or A6 props.
>
> Regards.
> Mike Kirda
>
>
Received on Sun Dec 16 2012 - 08:02:55 CET