LUNN DYNAMICS

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Tarot 3515 KV400

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

26.35TWR
16.66EFTWR
3.74Thrust kg
0.142Weight kg
A$53.16Best 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

BrandTarot
Model3515
VariantKV400
KV400
Stator3515
Weight142 g
Max thrust3,742 g
Test propeller12.0" (assumed)
Max current28.4 A
Max power630 W
No-load current0.50 A
Winding resistance0.085 Ω
Shaft diameter4.0 mm
Body height35.0 mm
Max RPM400
Hover efficiency8.40 g/W
Gradehobby
Applicationuav
Data confidencereported
Thrust basismodelled
Efficiency basismodelled
Measured test points0

Where to buy

VendorPriceAs listedStockLead days
DrUAV CNA$53.16USD 36.99backorder48buy ↗

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 →