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-   -   1/24 SUMO - brushless with ground FPV (http://www.rcuniverse.com/forum/redcat-racing-support-427/11235667-1-24-sumo-brushless-ground-fpv.html)

Jacekj 09-21-2012 06:26 AM

1/24 SUMO - brushless with ground FPV
1 Attachment(s)
After few months since I bought my original SUMOtruggy Iwas thinking how to make it faster better stronger cooler.

here are the results,I hope you like it:

Upgrades are :

Metal front axles $9
Metal rear axles $9
Metal reardifferencial - $12
metal frontdifferencial - $12
brushless motor EZRUN 5200rpm/Volt by Hobbywing -$15
18Amp ESC by Hobbywing - $21
2.4 GHz 3CH radio and 3CH receiver by FLYSKY-$47
Fatshark video googles - $299
5.8GHz, 100mWtransmitter andreceiver -$80
3S - 1300mAh battery for Goggles $20
2S - 1800mAhbattery for SUMOCAR $15
mini OSD - $8 ( shows VOLTAGEand running time on the video screen )

I tried running Sumo with 3S battery but it was overkill it was so fast that I could not control anymore and slight changes in steering at the top speed caused SUMOcar rollover at every corner.
2S battery at full speed is good and controllable.

Video range on the car is about 100meters ( 300ft ) when antennas see each other or about 50 meters with obsticles on between antennas.
Video transmitter has build in Microphone and it helps alot when you can hear motor via headphones while car is far and you cannot hear feedback from the motor.

Iwill make few videos directly fromFPVCAMERAand will post here.
Adding more OSD/FPVequipmentdoes not make sensebecause SUMOsuspension cannot take more than this.

For this purpose I bought another 1/18 model already with brushless motor and Iwill add GPS, with OSD so Ican monitor speed, and distance, voltages on allbatteries ( VIDEO and MOTOR )and install morepowerfull transmitter for longerrange.

AmazingRCstore 09-21-2012 07:22 AM

RE: 1/24 SUMO - brushless with ground FPV
That is a cool sumo you have there.... the camera idea is great!
Keep the great work up! :)

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