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News
May 2013
The US Postal Service has increased overseas
shipping rates by 48-62%!
Here are the new
USPS
International Shipping Rates.
December 2012
The ALES Scoring spreadsheet has been
updated to allow for five flight groups, 12 rounds and 60 contestants.
November 2012
I added to the "Tips" page a FREE 12-minute
instructional video on cutting highly tapered wing cores using a Pivot
Cut method.
July 2012
I added a "Tips" page to the website that
have some of my favorite information on Soaring and Building Gliders.
June 2012
Instructional DVD's are now Available for
purchase as a Download!
See the
Sales Page for Details.
October 2011
Thanks to Andy Sayle for finding an error in
Flying Wing Calc, Flying Wing Plank Calc and Sailplane Calc
spreadsheets. The error affected highly swept wings balance
point and was providing nose heavy results. All the files have
been updated!
2011
George Voss has reviewed both instructional
DVD's for RCGroups.
Click
here
for the excellent reviews!
2011
Tinamou has been translated to Italien in
Issue n.109 of
Modellismo
magazine.
2010
Sailplane Calc was
translated to Italian and published in Settimo Cielo. This is a
directory of Modellismo
magazine.
29
June 2010
Updated "Sailplane
Calc V-Tail" calculations to accurately reflect Dr. Mark Drela's
formulas on the "Tail Sizing Checks" tab for Vv/Vh.
See http://www.rcsoaring.com/rcsd/RCSD-2004-08.pdf
page 13.
11
June AVAILABLE NOW!
"A
Beginner's Guide to Composite Pod and Boom Fuselages"
Please see the Videos Page.
4
July 2009
Sailplane Calc is now
available in METRIC!
Thanks to Jaap Braam for helping with the conversions.
2009
Sailplane Calc has been updated!
There was an error in the calculation of Spiral
Stability (B=) on the Tail Sizing Checks tab.
Thanks
to A Todd Jurhs for finding this error.
Flying
Wing Calc now supports wings with three tapers!
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