Drive Calculator is a tool for DC motor analysis and the computation of the complete power
system for electrically powered model aircraft. The Drive Calculator database contains tables
for batteries, ESCs, gear boxes, motors, propellers, and stators.

Drive Calculator 3.3 in English

Learn more about Drive Calculator:
Drive Calculator 3.32 Readme (opens in web browser)
Drive Calculator 3.32 Manual (opens in web browser)

Download:
Drive Calculator 3.32 for Mac OS X (Zipped Archive, 7 MByte)
Drive Calculator 3.32 for Windows (Zipped Archive, 5 MByte)
Drive Calculator 3.32 for Linux (experimental) (Zipped Archive, 4 MByte)

First time users please download the database as well. Unzip and move the file into the application folder:
Drive Calculator database (including all updates until 2010-03-07)

Drive Calculator 3.3 in Deutsch

Weitere Informationen über Drive Calculator:
Drive Calculator 3.32 Liesmich (im Web Browser zu lesen)
Anleitung zu Drive Calculator 3.32 (im Web Browser zu lesen)

Download:
Drive Calculator 3.32 für Mac OS X (Zip-Archiv, 7 MByte)
Drive Calculator 3.32 für Windows (Zip-Archiv, 5 MByte)
Drive Calculator 3.32 für Linux (experimentell) (Zip-Archiv, 4 MByte)

Bei der ersten Installation bitte auch die Datenbank laden, entpacken und in das Programmverzeichnis schieben:
Drive Calculator Datenbank (inklusive Updates bis 7.3.2010)

The Excel based Drive Calculator 2.21 is still available
from Gerd Giese's website elektromodellflug.de

Drive Calculator is Freeware and cannot be used for commercial purposes
or copied and passed on for profit.

More Stuff

Servo Driver eliminating the need for a receiver during motor measurement

Legacy radio going FASST (2.4ghz)

FASST-Modul (2,4GHz) an herkömmlichen Sendern

Multiplex radio with Assan or Jeti 2.4ghz module

Assan- oder Jeti-Modul (2,4GHz) an Multiplex-Sendern

Multiplex Profi MC 3030, MC 4000, Royal Evo w/ FASST TM-8

Propeller Calculator
PropCalc computes the performance data of propellers with a given geometry, notably in-flight thrust and power drain across the utilizable airspeed range.