Re: If I increase my battery size, am I really gaining anything?
- Perhaps jump start the thread by asking some hands-on questions like
what kind of battery you were proposing to use?
--- In email@example.com, "wilf_nv" <wrigter@...> wrote:
> Consider the following:
> 1) The change from 4.8V to a 6V battery does not necesarily mean an
> increase in battery weight. I suggest two LiPo batteries of same
> amp/hr will be lighter than the 4.8V NiCd battery you are using.
> 2) Increasing the battery voltage increases torque, RPM and
> heat dissipation. Determine if your motor can handle the higher
> 3) Consider using PWM to regulate torque and power.
> 4) Consider using smaller diameter tires to increase torque.
> --- In firstname.lastname@example.org, "garvinguy" <garvinguy@> wrote:
> > I need a bit more power because my bot is turning out a bit
> > than planned. I started to order some motors that had more
> > but I realized I might be able to save some money by ordering a
> > battery which would make my motors more powerful. The problem
> > trade-off of weight and torque.
> > Right now I'm using a 4.8V battery that weighs 3.1oz, using a
> > supply of this size gives my motors about 42 oz/in of torque.
> > If I increase my Battery power to a 6V battery, the motors will
> > about 57 oz/in of torque. This battery will weigh 4.3 oz.
> > My problem is I don't know how to measure the trade-off. I will
> > getting more torque by increasing the battery size, but I will
> > increasing the weight of what the bot will have to carry.
> > My question is, will I be gaining anything by increasing my
> > 6V and adding 1.3oz to the load my bot will have to lift?
> > Many Thanks