I used a 173cc gas engine, this engine has a battery charging function, the charging is too weak to cope with the current consumption, but it significantly extends the working time. The mower is powered by two 200w 350rpm motors, the electric motors are powered by two rc brushed motor speed controller. I used an electric lift with a maximum lifting capacity of 200 kg to adjust the height, I powered the rc brush motor speed regulator, it is less powerful than the ones I powered the motors with. The gas engine is turned off by a twochannel rc relay that I connected to the coil, After the remote control is turned off or the range is lost, the relay closes the contacts, which causes the engine to stop working. I adjusted all dimensions to the size of the mower housing and wheels mini quad. Working with a remotecontrolled gas mower is a pleasure and great fun, the range of the remote control is large, so your legs will thank you for such work :)
Control parts I used:
Controller RC Electric engine https://amzn.to/4aME1oi
Controller RC electric lift https://amzn.to/44ebZ2x
Remote Transmitter https://amzn.to/3Wb9EU4
Gear Reduction Brushed Electric Motor https://amzn.to/4bafXLR
Electric Linear Actuator DC 12V https://amzn.to/3xI0Fj6