Old 04-08-2020, 06:50 PM
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Join Date: Aug 2005
Location: Tallahassee
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The G25 is physically a much bigger motor weighing more than twice as much (193g) as the LD2840A (79g). WIth a 5mm shaft it's almost certainly much sturdier as well.

If the OP needs the extra weight in the nose to balance the model then having the bigger motor with lower Kv (870) would support a much bigger, slower turning, propeller with higher efficiency and quieter flight. Assuming he has ground clearance to swing a bigger prop.
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