![]() This Excel spreadsheet is intended as an easy-to-use design aid for hobby rocketry. Screen-capture of EzImpulse showing INPUT DATA and RESULTSĮzImpulse_v1.0_fr.xlsm 39kbytes EXCEL spreadsheet French language version of EzImpulse translated by Jérôme Fouque Written by Richard Nakka.ĮzImpulse_v1.01.xlsm Version 1.01 40kbytes Excel macro-enabled spreadsheet Freeware A simple, easy to use spreadsheet that determines the total impulse of a motor that is required to achieve an altitude goal. This Excel spreadsheet is meant to serve as a design aid for amateur/experimental/model rockets. Madison.ĬONVERT.ZIP Version 4.08 168 kbytes Zipped file Freeware Very convenient and simple to use, highly recommended. Windows software that converts units for Force, Pressure, Density, Area, Distance, Volume and several other measures. IGNITER_FR.XLSX 68kbytes EXCEL spreadsheet French language version of IGNITER translated by Jérôme Fouque. IGNITER_BG.XLS 47kbytes EXCEL spreadsheet Bulgarian language version of IGNITER translated by George Andonov. IGNITER.XLS Version 1.1 74kbytes EXCEL 2000 spreadsheet Freeware The latest version of this spreadsheet (v1.1) also computes parachute ejection charge force. Although tailored for black powder igniters, this spreadsheet may be used for other pyrotechnic mixtures, as well. As well, it is important to avoid overpressurization. The motor should reach full operating pressure rapidly without wasting propellant (and thereby reducing Isp). Use of a properly sized pyro igniter is important for efficient rocket motor design. This is an MS EXCEL spreadsheet that may be used to estimate the chamber pressure that occurs in a rocket motor due to combustion of a pyrotechnic igniter. Strength and mechanical properties are supplied for many casing materials such as steels, aluminum alloys, PVC, etc.ĬASING.XLS Version 1.03 61kbytes EXCEL 5.0 spreadsheet FreewareĬASING_BG.XLS 70kbytes EXCEL spreadsheet Bulgarian language version of CASING translated by George Andonov.ĬASING_FR.XLS 74kbytes EXCEL spreadsheet French language version of CASING translated by Jérôme Fouque Also determines the elastic deformation of the casing under pressure (important for case-bonding consideration). This is an MS EXCEL spreadsheet that is used to determine the Design Pressure and Burst Pressure of a solid rocket motor casing. Written by Jordan Content and Jérôme Bise of Lyon, France. Includes some useful additional features not currently implemented in SRM.XLS METEOR METEOR is a Java implementation of the SRM.XLS Solid Rocket Motor Design spreadsheet.Ī free-to-use on-line application, METEOR is a convenient, validated tool for designing rocket motors. xlsm French Language Version of SRM_2014 893 kbytes Descalzo 550 kbytes Zipped EXCEL SRM_2014_Po Portuguese Language Version, translated by Phoenix Rocket Tech Team of University of Caxias do Sul (UCS) 930 kbytes EXCEL XLSM file SRM_2014.1_fr. SRM-CASTELLANO.ZIP Spanish Language Version, translated by Guillermo O. SRM_RU.ZIP Russian Language Version 1.08 Mbytes Zipped EXCEL 97/2000 SRM 1.3.ZIP Version: 1.3 536 kbytes Zipped EXCEL 2000 spreadsheet Freeware Mar.23/23 FreewareĤ85 kbytes Zipped EXCEL 2000 spreadsheet Bulgarian language version of SRM_2014, translated by George Andonov. SRM_2023 is a newly released version that fixes an incorrect isentropic exponent value and introduces two additional propellants, KNFR (potassium nitrate/fructose) and KNPSB (potassium nitrate/potassium perchorate/sorbitol).Ĩ03 kbytes Zipped EXCEL 2000 spreadsheet Freewareġ.604 Mbytes Zipped EXCEL 2000 spreadsheet Russian language version of SRM_2014, translated by Vadim Zaharchenko. Solely for cylindrical grain configurations, such as BATES. Although primarily intended for designing motors using KN-Dextrose or KN-Sorbitol propellant, other propellants may be specified with user inputted propellant properties. Motor performance data is also summarized for easy input into a trajectory simulation software, such as SOAR. SRM is an MS EXCEL spreadsheet that takes user-inputted motor and grain geometry data and computes Kn over the duration of the motor burn, generates a pressure-time curve, a thrust-time curve, as well as performance parameters such as total impulse and delivered specific impulse. ![]() ![]() ![]() PFC-BURN - Pseudo-Finocyl Grain Analysis.THERMCAS- Motor casing thermal analysis.GUIPEP- Graphic interface for PROPEP program.RASAERO II- Rocket design and performance.OPENROCKET - Rocket design and performance.Altimeter Correction to Account for Launch Site Temperature.ROCCAD- Rocket altitude, Cd and CP estimation.EzAlt- Rocket Flight Performance Spreadsheet.EzImpulse- Rocket Motor Sizing Spreadsheet>.SRM - Solid rocket motor design Apr.5/23.Richard Nakka's Experimental Rocketry Web Site Richard Nakka's Experimental Rocketry Site ![]()
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