LUNN DYNAMICS

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Hobbywing 1408 KV3250

hobby fpv brushless motor. Specs read from manufacturer page ↗.

20.25TWR
0.32Thrust kg
0.016Weight kg
A$32.88Best price

estimated Thrust here is modelled from rated power and propeller diameter via momentum theory, not measured. Indicative only, so do not compare it like-for-like against measured figures.

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Specifications

BrandHobbywing
Model1408
VariantKV3250
KV3,250
Stator1408
Weight16 g
Max thrust320 g
Test propeller3.0" (assumed)
Max current9.6 A
Max power155 W
Winding resistance0.118 Ω
Shaft diameter5.0 mm
Hover efficiency2.93 g/W
Gradehobby
Applicationfpv
Data confidencereported
Thrust basismodelled
Efficiency basismodelled
Measured test points0

Where to buy

VendorPriceAs listedStockLead days
DrUAV CNA$32.88USD 22.88backorder48buy ↗

Multi-pack listings are shown at their per-unit price so they stay comparable.

Compatible accessories

Parts this catalogue holds that fit this component, and the evidence behind each pairing. Fit is inferred from published specifications, not from having tried it. Confirm mounting and clearance before you buy.

rule of thumb The size conventionally run on a stator this big. Not a measurement -- check clearance and current draw before flying it.

CAD model

No CAD model linked yet.

How the metrics are calculated

TWR is max thrust divided by motor weight, motor only, static, excluding propeller and ESC. EFTWR scales that by hover efficiency and RPM headroom, so it equals TWR for a motor at 8 g/W and 10,000 RPM. Full methodology and the whole catalogue →