Curtis Sulter’s Calculators

collection of calculation sheets (source)

Curtis Sulter is retired from the USAF.His website (here) has many useful tools and information on it. I mirrored some of the calculators here. Be sure to check his site for more information.

Sailplane Calc Cruciform Tail (download) .XLS
February, 2008 version - A compilation of sailplane design and component sizing calculators.

Sailplane Calc V-Tail (download) .XLS
April, 2008 version - Same as file above but for V-Tail models.

Convert a Cruciform Tail to a V-Tail and Vice-Versa (download) .XLS
February, 2008 version.

Flying Wing Calc (download) .XLS
Calculate balance point and Wing Twist using Dr. Panknin’s formulas
January, 2008, version

Foam Cutter Calc (download) .XLS
October, 2008 version - Automated Foam Cutter Calculator to find the attachment point for a tapered wing.

Estimating Electric Model Flight Time (download) .XLS
February, 2007 version - Calculate electric model flight time.