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- plugin-grtrace @en:plugin:grtrace
- id case gage locations result if finer reading of pressure steps, but there is often a initial delay in the start of pressure readings due the brass having to expand until it touches the chamber walls. End of mouth gages do not suffer this delay in pressure reading, but the steps in pressure is often coarser, up to twice the mid case gage depending on barrel thic
- faq-propelland-modeling @en:faq
- sers will participate in the research required to start and build the models. The reverse engineering pr... ements from users in the form of velocity, and/or pressure measurements the user gathers from well construct... o be as precise as possible, and the velocity and pressure measurements are taken from instrumentation of kn... ata for existing propellant model updating, but a start up submission is a little more complicated. * {
- inputfields-projectile @en:doku
- >**Initial Pressure**</color>\\ **The initial gas pressure (IP)** is used to adjust the internal ballistic start parameters. Primary parameters are the pressure at which the bullet should start to move, the press-in pressure in the barrel grooves, pull-out resistance, primer type, powder variations a... ances. If you have projectile velocity and/or gas pressure measurements, you can use it to adjust the simula
- formalism @en:doku
- , the powder burns at **different** speeds during pressure development! Such powders behave either progress... t, e.g. with a calorimeter bomb or closed vessel (pressure bomb / manometric bomb), which has a specific vo... reengineered model using ballistic data including pressure equipment directly on the barrel over a calibre s... he value **Ba** given in the powder data is the **start** of this curve, which is composed of two or mor
- ppsearch @en:doku
- ria **simultaneously!** I.e. you define in which pressure range and/or e.g. muzzle velocity the charge shou... ach individual propellant powder. If the maximum pressure tolerance window is selected and the limit of -15% or the maximum specified pressure is exceeded, the text is automatically highlighte... he //Parametric Powder Search// to the list. ====Start Synthesis==== {{ en:media::ppsearch-synth-progres
- plugin-grtlab @en:plugin:grtlab
- ressure data as actually recorded on velocity and pressure measuring equipment. Before a User can start to use the GRTLab he will have to have his login ... a User that came to GRT via Patreon, and did not start from the website, you will need to establish an a
- start
- ion use.\\ \\ May 9, 2022 - An additional account start up problem appears to be taking place. Some User... mages:grt:screen-measurement1.jpg?nolink|}} =====Pressure Measurement Overlay===== ===GRT lets you overlay a real world pressure measurement onto the simulation diagram!=== GRT c
- faq-calibration @en:faq
- 0 and measured V0. What is the go-to parameter to start tweaking? ====== If the deviation is small, you just need to adjust the Initial Pressure (IP) until the measured and the simulated velocit... y likely that it would give you a wrong / too low pressure estimation if you calibrate that way!** The late
- faq-simaccuracy @en:faq
- o the process of adjusting the simulation Initial Pressure (IP) parameter, or a particular propellant models... o the process of adjusting the simulation Initial Pressure (IP) parameter, or a particular propellant models... case scenario, you know why it is recommended to start charge development at -25% Pmax or below. Hopefu
- doku @en:doku
- me (OBT) * PressureTrace II support: Display of pressure curve as overlay via simulation * Caldwell, Lab... s & Installation]] * [[en:doku:firststart|Quick Start]] * [[en:doku:overview-compact|Overview - Compa... en:doku:assist-initialpressure|Assistant "Initial Pressure"]] * {{en:media:icon:icn_star_yellow_32x32.png}
- faq-powderavailable @en:faq
- t our own real world measurements of velocity and pressure, and additionally, against submitted user measure... r the calibration data gathering. If you want to start a new powder model and willing to participate in
- inputfields @en:doku
- e entry fields. Parameter, fields and values for pressure are marked red. Temperature and Sebert-factor ("S... ption of the respective wizard via the [[en:doku:start|table of contents]] in the section //"Tools & Ass