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Multiple SAS and inline reacton wheels


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I wanted to know if there was a purpose to having more than 1 SAS model or inline traction wheel. Ive come to believe that the inline advanced stabilizer has become obsolete. But is there any benefit to having more than one sas mod or itrw? I looked through forums on their use but having seen anything about the number of them.

Edited by tyraidooi2
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As XOIIO is getting at, more reaction wheels allows your craft to turn (or stop turning) faster. It's not always beneficial to have more.

You are correct in that the inline wheel is basically obsolete. It did have a different function, but it does the same thing as the reaction wheel now. So the only difference is the look.

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Appearance is not the only difference. The stabilization parts have different masses.

Inline reaction wheel: 0.3

Inline advanced stabilizer: 0.5

But since they are the same size and exert the same force, yes, the advanced stabilizer is redundant, and you can save a little weight by using the inline wheel instead.

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Streamlined and functional rockets need a couple of those. Now if you are fond of building monstruous multi-stage behemots then you´ll need them in spades in order to maneuver your ship.

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How about the large SAS module? Is it beneficial to have more than one of those? I know that having more advanced stabalizers allow more torque and turning power but what about the large SAS modules? Do those work the same? The more you have the more control you have or do you only need 1?

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  tyraidooi2 said:
How about the large SAS module? Is it beneficial to have more than one of those? I know that having more advanced stabalizers allow more torque and turning power but what about the large SAS modules? Do those work the same? The more you have the more control you have or do you only need 1?

All modules that add torque (SAS module, reaction wheel, ect) do the exact same thing. And yes, they all stack tougether to add more torque

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IAS, IRW, Large SAS - same things, different masses and sizes. The largest is lightest so use (several of) that if it fits your ship, otherwise use the IRW which is lighter but otherwise identical to the IAS. Don't use the IAS, it is moribund at the moment.

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One thing to watch out with with the large ASAS is it has weak connections. You may need to brace past it with struts if it's in your rocket.

In the niche case of a ship that has an external seat as its only command module, I believe the Inline Advanced Stabiliser will still provide full SAS functionality, whereas the Inline Reaction Wheel will not. Even then, though, an inline reaction wheel and a Remote Guidance Unit is lighter. Otherwise, the Advanced Stabiliser should only be picked if you need the extra weight or size to balance your ship, or for aesthetics.

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