X-ray M18T 1:18 scale

Micro RC electric truck car

 

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Xray M18T

Xray M18T kit

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RC Car/Truck Power & Setup Calculator

Rollout and top speed Calculator
It's a useful 'best case' estimator that takes no account
for running weight, setup Amp draw or cell performance etc.
Eg. My first build Xray M18T numbers:
Himax 2015 2800rpm/v (6-12A), (totally wrong motor temporarily)
Phoenix 10 ESC, 54T/23T
3xTP910 prolite packs.
JP cheap servo, RTR weight 496g

Tire Diameter : 2.75 inches (70mm)
Pinion Size: 23T
Spur Size: 54T
Internal Ratio: 2.5 (diffs)
Battery Voltage: 11.1v (nominal loaded)
Motor Kv:2800 (rpm/v)
Results (not accounting for efficiency and other loss factors):
Rollout: ~1.472"
Speed: ~43.32mph