I run a 4000kv motor in my 1/8 onroad conversion with an Tekin RX8 ESC. It's plenty fast with 4s2p A123 pack. A 4s lipo would be alot quicker.
I'm assuming this is the car in question Thunder Tiger ER-1
| Wheelbase(mm / in.) | 13.2" - 13.6" ( 335 - 345mm ) |
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| Weight(g/ lbs.) | 112.9 oz. ( 3200g ) |
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| Length(mm / in.) | 22"-24.8" ( 560 - 630mm ) |
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| Width(mm / in.) | 10.4" ( 255mm ) |
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| Height(mm / in.) | 5.51" (140mm ) |
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6 KiloWatt A123 Racer
GTP-Pletty Big Maxximum+RX8. GTP-C50-6L Hacker+RX8. CRT.5-Pro4+ZTW esc.
24s2p EVG SX 49.6mph Ebike.
18s4p Raptor 60mph Ebike. 11.5KW