Does Rocket Equation Change with Different Exhaust Velocities?

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SUMMARY

The discussion centers on the application of the rocket equation in scenarios involving strap-on boosters. It confirms that the exhaust velocity can be the same or different between the booster rocket and the core rocket, depending on various factors. Key factors influencing exhaust velocity include propellant type, nozzle design, and burning area. For thrust calculations, the total thrust can be approximated by summing the thrust from both the main rocket and the booster rocket.

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vincentryan
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Hi
Can anyone help to write rocket equation with strap on booster.
The exhaust velocity of the booster rocket and the core rocket is same? and
The exhaust velocity of the booster rocket and the core rocket is different?
 
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If you're just calculating the thrust, for the most part, it can be approximated to adding the thrust generated from the main rocket and the booster rocket together. And...the exhaust velocity depends on the rocket itself, such as the propellant, nozzle design, burning area, etc.
 

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