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Thread: 540 VS 550
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Old 10-25-2011, 06:48 AM
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AreCee
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Originally Posted by RickSlick
Building a AE B4.1 kit now and looking at different motors.
What is the difference between a 540 and 550 size motor?
Is it a physical dimension or has something to do with internal components?
Thanks,
Rick
550s are physically longer than 540s.
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