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in the missile data what does the t_inertial, t_break, t_end mean?


IAF_Phantom

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in the missile data, what does the t_inertial, t_break, t_end mean?

updating the t_end means its the missile terminal stage?

 

	-- Engine data. Time, fuel flow, thrust.	
--	t_statr		t_b		t_accel		t_march		t_inertial		t_break		t_end			-- Stage
	-1.0,		-1.0,	4.0,  		28.0,		0.0,			0.0,		1.0e9,         -- time of stage, sec
	 0.0,		0.0,	5.44,		1.0,		0.0,			0.0,		0.0,           -- fuel flow rate in second, kg/sec(секундный расход массы топлива кг/сек)
	 0.0,		0.0,	18802.0,	7000.0,		0.0,			0.0,		0.0,           -- thrust, newtons

 

P.S - I've created a table with all the data I've collected about the A-A missile structure - comments are welcome

 

 

https://docs.google.com/document/d/1NMwPLDcjfV-Xs59j4-WmMZF0td3whuKmXLLLunmptiw/edit?usp=sharing


Edited by IAF_Phantom
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Excellent idea compiling all this data and translating it!

 

A wild guess but T_inertial could mean the missiles control vector is the missile’s inertial acceleration during the boost stage. Guessing further, being = 0 could mean complete and immediate control of all three (x/y/z) acceleration components while the motor is burning. T_break could define acceleration control when missile lock is lost. T_end could be the same parameter but for the terminal phase.

 

Again, Im only guessing here and likely wrong.

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excelent document Phantom.

I don't think those values are being used for anything. At least not as it is now.

As you can see, things happens in sequence: accel, march, ... , end. And end probably means end of missiles life. in this case 1000000000 seconds. What missile is this btw, Phoenix?

AFAIK no missiles has inertial guidance modelled.

So my guess is that it's just leftovers from something that was never implemented.

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