The US Postal Service has increased overseas
shipping rates by 48-62%!
Here are the new
International Shipping Rates.
The ALES Scoring spreadsheet has been
updated to allow for five flight groups, 12 rounds and 60 contestants.
I added to the "Tips" page a FREE 12-minute
instructional video on cutting highly tapered wing cores using a Pivot
I added a "Tips" page to the website that
have some of my favorite information on Soaring and Building Gliders.
Instructional DVD's are now Available for
purchase as a Download!
Sales Page for Details.
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
George Voss has reviewed both instructional
DVD's for RCGroups.
for the excellent reviews!
Tinamou has been translated to Italien in
Issue n.109 of
Sailplane Calc was
translated to Italian and published in Settimo Cielo. This is a
directory of Modellismo
Calc V-Tail" calculations to accurately reflect Dr. Mark Drela's
formulas on the "Tail Sizing Checks" tab for Vv/Vh.
June AVAILABLE NOW!
Beginner's Guide to Composite Pod and Boom Fuselages"
Please see the Videos Page.
Sailplane Calc is now
available in METRIC!
Thanks to Jaap Braam for helping with the conversions.
Sailplane Calc has been updated!
There was an error in the calculation of Spiral
Stability (B=) on the Tail Sizing Checks tab.
to A Todd Jurhs for finding this error.
Wing Calc now supports wings with three tapers!