Zheyi Shen wins Chinese 1/10 National Champs

See: XRAY

This past weekend was held the Chinese 1/10 National Championship in Suzhou. Qualifying would go to young and talented XRAY driver Yibo Zhang, already winner of the championship in the U12 group during three consecutive years. Yibo took the overall TQ by winning three of four rounds. Unluckily in the first two finals, he made some mistakes and it was Serpent’s Zheyi Shen who took the win in front of Serpent driver Li Shen in second and Yibo in third. Yibo managed to win the last final and thanks to the victory, he helped the team of Suzhou to win overall championship of this single event. 

Top 10:

  1. ZHEYI SHEN — SERPENT
  2. LI SHEN — SERPENT
  3. YIBO ZHANG — XRAY
  4. LEHUA LIN — SERPENT
  5. CALSON YANG — HB
  6. DIJIA CHEN — XRAY
  7. BOM LI — XRAY
  8. JIANGTAO SHI — SERPENT
  9. YUNRUO QIAN — XRAY
  10. JIANJUN LIU — AE

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Magic smoke ESC/ Amperage?

So I was trying to get a quick temporary setup to test my friends new pro 2 buggy (NOS) and I rounded up a random assortment of parts to do this. I ended up frying the ESC without even putting a load on the motor. Now I don’t care about the parts I fried, I know they were junk but I am curious as to why.

One mosfet fried good and the others just burned a tiny bit

the traces for the mosfets burned through the back side of the PCB

I used A Tekin 412 roc 3100 KV motor, a Tamiya TBLE-02s ESC that was capable of running brushless sensored motors, the other parts don’t matter as much, Traxxas servo from TRX-4 RTR and a Tamiya 2 channel receiver.

I set the ESC to brushless mode and it was functioning, using a 2S lipo. It was cogging and acting odd, but it did function for a bit. I may have gotten wire order mixed up as Tamiya doesn’t label them or use standard colors, but I assumed order didn’t matter as much, that may be the first mistake. The servo was functioning fine.

I’m thinking the real cause was the motor drawing more amps than the ESC could supply. I just now dug up specs showing the ESC can put out 60 amps but I dont know how many amps the motor was taking and I cant seem to find specs on the motor.
The ESC did finally put out some magic smoke when I held the throttle fully open for a few seconds.

I plugged the motor into my Mamba Max and its functioning just fine.

I know this combo of parts wasn’t gonna be great but I thought I’d at least get a test run out of them.

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Elliott Boots takes 2017 BRCA Nitro Buggy title

See: Brca RallyCross Pro (Facebook)

The fifth and final round of the 2017 BRCA Nitro Buggy National Championship was held at the Slough track over the weekend. After a great fight between Kyosho’s Elliott Boots and Nemo Racing’s Darren Bloomfield, Elliott was able to gap Darren who started to make mistakes at the 40 minute mark and took the victory from Infinity driver Lee Martin in second and Darren in third.

Congratulations also to all the other winners, with Harry Philips taking the Clubmans Championship, Lewis Jones getting top Jnr, and Simon Reeves winning the Over 40s.

  

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