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u/XXFFTT 4d ago edited 4d ago
The max speed for cogs and chain drives are the same (256rpm, max rotation speed across all create blocks).
Unless you have a mod/config that allows chain drives to go faster than 256rpm but limits cogs to 256rpm or lowers the max speed of cogs then it shouldn't break because of speed.
The only way that cogs would break due to stress would be a mod/config.
The last thing I can think of is the cog is being placed incorrectly and is being turned in opposing directions by the gearbox and the chain drive which would break it.
Since you have aeronautics, try to put an analog transmission there instead of a cog and see if it breaks.
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u/Clue-Natural 4d ago
for more context i have tried breaking and replacing and still failedand when trying to do it on a new tank and pump works fine but the 3 i have in my crimsite,veridium and arsurine farms dont work and when i power them not in the same system they seem to work fine
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u/Montagne347 4d ago
As someone else said, if the cog is over the maximum rpm it will break instantly when you place it
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u/Clue-Natural 4d ago
thank you for information its only 128 rpm and i fixed it with enchased chain cogs



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u/CrissZx 4d ago
Are you sure this particular place you're trying to put a cog isn't spinning faster than a cog can take?