I have seen large rear tires on many a (allegedly) high power RWD car, and have always thought they would increase traction. Just now I realized I have no idea why that would be. Given a tire with x cm^3 in contact with the ground and a given vehicle mass, there should be a certain pressure on...
Hi, I'm new to this forum and not technically an engineer (at least professionally) but I hope you all can help me with this.
I'm building a helicopter, I have a 125hp engine the produces a maximum of about 130 lb/ft of torque at about 5500rpm. I need a 15:1 drive in order to keep the rotor...