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Thanks tremendously
Neal ( the other one )
Danie...@unitedstates.com wrote:
> > Thanks for the info. Your spreadsheet led me to another EAA one (
> > Metal Design ). On that spreadsheet, under the " Strut Braced Shear &
> > Moment" tab, Rows 10 and 13 have figures in them with an explanation on
> > Row 8 of where those figures came from ( I think ). I went to the
> > Airloads spreadsheet as directed and still couldn't find where those
> > figures came from. Any help would be appreciated. Thanks.
>
> Hi Neal,
>
> The figures for Row 10 & 13 are read (manually) from the graphs on tabs
> "Normal Shear Plot" & "Normal Moment Plot" of the Airloads spreadsheet.
> Those graphs are generated from the computations on the "Cond __" tabs
> of the Airloads ss, and _those_ computations are the result of the
> inputs on the "V-N speeds" tab of the same ss.
>
> Williford's spreadsheets are quite good. The only error I have ever
> found was quickly corrected. The kicker is that they are an
> inter-related series. For the most part, one must begin with an
> earlier sheet, work through it, then use the results for input in later
> sheets & so forth. Kinda like design work I guess!
>
> The articles written to go with them are musts for those of us who
> do not have an engineering degree on the wall. I just this morning put
> together a list of those articles and their subjects. I need to go
> back to the library with a fist of dimes however.
>
> Here's my list of Williford's "Sport Aviation" articles to date and
> their subject matter (corrections welcome):
>
> mm/yy pg Subject
> ------------------------------------------------------
> 02/02 60 Design 101 Part I: Six Steps ***
> 03/02 44 Design 101 Part II: Layout & Gear ***
> 04/02 56 Design 101 Part III: Balancing ***
> 12/02 36 Performance ***
> 06/03 52 Air Loads *** *** (2)
> 08/03 50 Cooling ***
> 11/03 66 Tails ***
> 12/03 58 Flutter ***
> 01/04 ?? Liquid Cooling ***
> 03/04 64 High Lift Devices
> 05/04 42 Wings ***
> 07/04 56 Props ***
> 09/04 34 Landing Gear ***
> 11/04 ?? Tandem Wings ***
> 01/05 47 Structures I ***
> 03/05 32 Structures II ***
> 05/05 50 Wood I
> 06/05 46 Wood II ***
> 07/05 34 Metal ***
> 11/05 50 Composites
>
> *** signifies that a spreadsheet is available to assist with number
> crunching. Not all of the above have spreadsheets and there are two
> for June 2003. The spreadsheets (as you discovered) can be found here:
>
> http://www.eaa.org/benefits/sportaviation/
>
> > P.S. I tried to contact you offline but was unsuccessful.
>
> Sorry about that. The email address that gets posted here is fake
> spambot fodder. You can contact me directly at "danielbk atsign yahoo
> dot com".
>
> Daniel
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Re: Wing stress program
