Here are FREE articles I've written for 
"Radio Controlled Soaring Digest" and 
FREE Microsoft Excel Spreadsheets
.

Articles

Files


                                               

                                          Articles


Airplane Icon.gif (3485 bytes)Altitude Limited Electric Soaring Man-on-Man
            Scoring Spreadsheet

Radio Controlled Soaring Digest published article
Download the July/August 2011 Issue here.
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to save.

Airplane Icon.gif (3485 bytes)Sailplane Calc Article/Tutorial
Radio Controlled Soaring Digest published an article/tutorial 
on how to use Sailplane Calc.  Download the April 2008 Issue here.
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to save.

Airplane Icon.gif (3485 bytes)Tinamou Flying Wing  
Radio Controlled Soaring Digest published article.  
Download the October 2008 Issue here.
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to save.

Airplane Icon.gif (3485 bytes)Table Top: A Montana Slope Soaring Adventure
Radio Controlled Soaring Digest published article.  Features Tinamou.  Download the September 2010 Issue here.
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to save.

Airplane Icon.gif (3485 bytes)Build an Automated Foam Wing Core Cutter 
Radio Controlled Soaring Digest published article/tutorial.  
Download the November 2008 Issue here.
Click Here
to save.

Note:  See Foam Cutter Calc Below.

                   
                   Files

Airplane Icon.gif (3485 bytes)  Sailplane Calc Cruciform Tail 
July, 2009 version - A compilation of sailplane design and 
component sizing calculators. 
MS Excel file.
 
Download
 Metric Version


Airplane Icon.gif (3485 bytes)  Sailplane Calc V-Tail 
June, 2010 version - Same as file above but for V-Tail models.
MS Excel file.
  Download
  Metric Version


Airplane Icon.gif (3485 bytes)  Convert a Cruciform Tail to a V-Tail and Vice-Versa
July, 2009 version.
Works in Decimal and Metric units.
MS Excel file.

 Download

Airplane Icon.gif (3485 bytes)  Flying Wing Calc 
Calculate Balance Point and Wing Twist using Dr. Panknin's formulas
Now able to calculate a wing with three tapers!
Note:  Not for Plank Flying Wings, See Below:
July, 2009, version
MS Excel file.
 Download
 Metric Version

Airplane Icon.gif (3485 bytes)  Flying Wing Calc for Planks 
Easily find a balance location for a safe first test flight!

July, 2010, version
MS Excel file.
 Download 
 Metric Version

Airplane Icon.gif (3485 bytes)  Foam Cutter Calc 
October, 2008 version - Automated Foam Cutter Calculator to 
find the attachment point for a tapered wing. 
Works in Decimal and Metric units.
MS Excel file.
Click Here to save.

Airplane Icon.gif (3485 bytes)  ALES Timing Files (mp3)
July, 2011 version - Four audio files for your .mp3 player
in 1, 3, 5 and 10 minute countdown for practicing Altitude Limited
Electric Soaring tasks.
Click Here to save.

Airplane Icon.gif (3485 bytes)  ALES Scoring Spreadsheet
July, 2012 version - This is a fixed Matrix scoring spreadsheet for
MS Excel that is for contests up to 60 pilots, five flight groups and
12 rounds.
Click Here to save.

Airplane Icon.gif (3485 bytes)  Switchjack and Mini Switch Jack
Here's a photo of how to make a Swithjack for low power R/C 
operations, such as DLG.
Click Here to save Switch Jack
Click Here to save Mini Switch Jack

Airplane Icon.gif (3485 bytes)  Estimating Electric Model Flight Time
February, 2007 version - Calculate electric model flight time.
30 kb MS Excel file.
Click Here to save.

Airplane Icon.gif (3485 bytes)  Helicopter Governer Mode Curve Setup
July 16, 2006 version - Easy setup for transmitter throttle curves.
Click Here to save.