Windows WINROC Rocket Software 

Windows Rocket Software.   Downloadable software to calculate altitude and center-of-pressure.

Winroc is now shareware and is available for personal use.

Programmed by - Steve Roberson,  he left us before his time. This is his wish and  legacy!

To my home page - Home


Download - Winroc 4.5, this is a "zip" file. (about 5.49MB)    

Seems to install and work fine with  MS  XP,  7,  8


Legal info - Free unaltered transmission in cyberspace granted.

This software is freeware, no warranty is implied in any sense. Use at your own risk!


Easy-to-use altitude prediction software, includes motor files and center-of-pressure calculations.

Winroc includes Altitude Calculator - CP Calculator - Motor Wizard - Thrust Curve Manager - and Graphing capability's.

Addition complete info in Adobe Acrobat format - "About Winroc" (83K)

Download - Winroc Help files in ".doc" format, Altitude Calculator, - CP Calculator, - Thrust Curve, - Graphing.

                               (Included with Winroc 4.5)


Download - The Winroc source code - here

  -They should have used Winroc to check the CP & CG.


Winroc Engine Files -

Nov 7 2007 -- Update  MASTER.MOT  file, (284kb).  

                Just copy this file over the existing file. If you have you own saved "MASTER.MOT file, you can rename either file and then load the new file under "File" then "Choose Motor File..."


Dec 7 2009 -- Winroc motor update-  CTI_1209.ZIP  file, (148kb)  motor file for - Cesaroni Technology Incorporated (CTI)

Dec 5 2009 -- Winroc motor update-  AT_KBA_110109.ZIP  file, (163kb)  motor file for -

Dec 16 2009 -- Winroc motor update-  RATT1200909.ZIP  file, (4kb)  motor file for -

(Updates coming soon, 10/2015)


Additional Articles by Steve Roberson:

These articles are stored in Adobe Acrobat format.     Read me                  

Leader - An article about rocket history    (483K)
 - Latest info on my still camera projects    (1.43MB)
 - Complete Level 3 package for my big rocket    (553K)        NEW  (Photon - 5.34MB version)
Photon video - An article about the first flight of my video camera payload   
 - Construction details of my trailer mounted launch rail    (1MB)

Camera Mount Pictures by Steve Roberson

Video Camera Mount Pictures by Steve Roberson


For additional info, contact - winroc

Updated - Tuesday September 22, 2015