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Posted: Sun Dec 13, 2009 4:36 pm
by WhiteCloud
Can you send to bob "at" whitecloudaviation "dot" com
Posted: Wed Dec 16, 2009 3:34 pm
by WhiteCloud
I have been playing around with the SS and had some questions. I am unsure of the orange and green plots for deflection and what they are showing. If I change the length of ski, they don't follow with the change, can someone help me understand this. Also, the array of point deflections at the lower right hand side of the SS does not change with the length of ski chosen, what are these used for?
Thanks!
Bob
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Posted: Sat Dec 19, 2009 11:26 pm
by Thorpster
Could I get a copy too.
Posted: Sat Dec 19, 2009 11:27 pm
by Thorpster
zcijack at hotmail
a copy
Posted: Wed Dec 23, 2009 10:23 am
by DutchDesigns
I would like to get a copy of this as well
dutchdesigns@hotmail.com
Posted: Wed Dec 23, 2009 2:43 pm
by jckeane
I would love a copy of the sheet as well. Jimkeane @ comcast.net
Posted: Thu Jan 14, 2010 5:48 am
by webboy
Posted: Wed Feb 03, 2010 3:05 pm
by MontuckyMadman
Posted: Wed Feb 03, 2010 3:09 pm
by MontuckyMadman
Posted: Wed Jan 12, 2011 1:58 pm
by WSM
On the stiffness profile, was wondering what the units used were?
Posted: Fri Jan 21, 2011 7:20 am
by Bambi
WhiteCloud wrote:I have been playing around with the SS and had some questions. I am unsure of the orange and green plots for deflection and what they are showing. If I change the length of ski, they don't follow with the change, can someone help me understand this. Also, the array of point deflections at the lower right hand side of the SS does not change with the length of ski chosen, what are these used for?
Thanks!
Bob
It's been a while since I have been around here!
Bob - the green and orange curves are 2 skis (G3 Reverends & Fisher Tstix) that I measured and put on there for reference. The plots should not change! The array of points at the lower RHS are the plots for these skis. You can just delete them if you want but if gave me some confidence that I was in the right ballpark.
WSM - stiffness units... mmmm
Everything is converted to SI so off the top of my head that should be Youngs modulus (N/M^2) multiplied by the second moment of area (M^4) so that would be N M^2 I think.
Apologies for the general lack of user friendliness - I really just hacked it together for myself, but I'm happy to try to answer any specific questions. Perhaps I'll make a slicker version to post.
B.
Posted: Thu Jan 27, 2011 2:15 am
by Buuk
I have some Matlab calculations on ski deflection with various loading patterns. If someone is interested then let me know and I will upload it.
Cheers, Buuk
Posted: Mon Jan 31, 2011 9:49 am
by White Thrash Wednesday
I´m interested!
Please do post the Matlab code. Have you verified it against any skis you´ve built?
Been awhile since I used Matlab...
/Johan
\m/ Matlab. Whiskey. Heavy Metal \m/ ;-)
Posted: Wed Feb 16, 2011 1:19 am
by molekulo
Anybody knows, who is author of "Skidimmsexe.xls"? There are questions about some equations used in it.
Posted: Wed Feb 16, 2011 2:20 pm
by Richuk
Bambi