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Nov 08, 2019, 12:55 AM
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1104 4000kv on the test stand


It was time to put the 1104 4000kv on the test stand ..
It's raining and blowing a gale outside , so what to do ?

2s Battery

3025 - 69 grams of thrust / 19,100 rpm / 1.69A / 13.9 watt
333E - 86 grams of thrust / 16,500 rpm / 2.44A / 19.2 watt
383E - 96 grams of thrust / 15,300 rpm / 2.5A / 21.6 watt

I think the motor wants more prop on 2s

3s Battery

383E - 140+ grams of thrust / 19,000+ rpm / 4A+ / 49 watt ( Ran HOT )
333E - 140 grams of thrust / 20,700 rpm / 4.1A / 46 watt ( Did not run HOT )
20,000 rpm = 120g / 41.8w

3025 - 129 grams of thrust / 25,000 rpm / 3A / 36.5 watt ( happy camper )
20,000 rpm = 80g / 21.2w

65mm - 80 grams of thrust / 32,000 rpm / 1.69A / 20.7 watt
20,000 rpm = 30g / 6.2w

Last edited by old4570; Nov 09, 2019 at 05:16 AM.
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