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Which motor to upgrade to on Durafly/Banana Hobby T28?

Old 03-31-2022, 08:31 PM
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socalrcflyer
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Default Which motor to upgrade to on Durafly/Banana Hobby T28?

Hi,

Which motor should I upgrade to on my Banana Hobby T28 1100mm aircraft? I want to fly faster, and also have a good low throttle cruise amperage draw. Thanks!

https://www.bananahobby.com/7-ch-bli...plane-pnp.html
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Old 03-31-2022, 11:30 PM
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ron_van_sommeren
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Does your motor (battery, controller) have headroom left? I.e. can your motor handle more power and current than it has to do now with current setup?
Then you could increase pitch and/or prop-diameter and/or voltage.

Each of these changes results in an increase in current and power drawn (no effect on motor's capabilities). Use small increments and always measure because the increases are very disproportional.

Current drawn is proportional to pitch voltage≤ Kv≥ and diameter⁴


On the other hand ...
It is a good practice to have some headroom built in. Motor runs cooler, slightly more efficient too, and you have some leeway should things go south a bit.
About derating motors, controllers, batteries, electronics in general:
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Old 04-03-2022, 12:40 AM
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