Golf Cart Battery Weight
Golf Cart Battery Weight
If a golf cart needs to get from 0 to 5mph in the shortest amount of time, does it need more torque or rpm?
Here's the entire problem statement:
you have an electric golf cart that you intend to enter into a race. The objective of a certain challenge in the race is to reach 5mph as quickly as possible. The weight restrictions of the race permit you only 2, 12V 100Ah batteries, each capable of discharging at 50 Amps continuous. What is the optimal battery configuration in order for you to win this race, and why?
I know that adding the batteries in parallel will give more current thus more torque, and that adding them in parallel will give the cart more voltage thus greater rpm. But which battery configuration is better for this situation, does the cart need more torque or more rpm?
You have a contradictory statement: "adding the batteries in parallel will give more current thus more torque, and that adding them in parallel will give the cart more voltage thus greater rpm"
If the two batteries are in parallel you will have 12V, if they are in series you will have 24V.
Which will work better in your golf cart depends on the gearing and the characteristics of the motor(s) that are being driven. If the cart is capable of reaching 5 MPH easily in 12V mode, then more torque will definitely get you there quicker.
Buggie Bonanza 2009 Rifter vs. Kuntry Karts (sleeper)
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Hmmm, that's true, with the banning of refuelling, it's even more important that they sort out the aero regs to encourage overtaking as originally intended, as per my earlier comment.
As for KERS, the problems there seem to have been twofold: firstly, not enough power for the weight involved; secondly, the handicap it brought for heavier drivers. Therefore I can't help thinking that since KERS was originally planned to have double the power limit next year, together with a planned raise in the minimum weight limit to help drivers like Kubica, it would surely still have been worth giving it a go for at least one more year, as then the benefit might outweigh the handicap. (Obviously more power means more battery weight, but it wouldn't be double, due to the weight of the motor and the control unit.)