same as for a car, take the circumference and the RPM of the drive
wheel and you can work out the rest.
Note: do not forget to add on the thickness of the track (chain if
you're using it) and the track pads, it is this ("overall")
circumference that you need, and its easiest to get this by obtaining
it from the diameter of the drive wheel with the track wrapped around
it, then calculate circumference from diameter with pi
Once you have an accurate circumference and the RPM, you can work out
MPH, or work out RPM if you know what MPH you are looking for.
Ben
On Mar 3, 4:19 pm, "Chrysanthos Kanellopoulos" <[email protected]>
wrote:
> Joe's rule of four gets you to :
>
> 400 RPM * 4 " diam. * 3.14 * 60 = 301.440 inches per hour or 4.75 MpH
> With a loss on the motors , this should get you to about 4 miles per hour.
>
> 400 RPM * 5 " diam. with the tracks on * 3.14 * 60 = 376.800 inches per hour
> : 63.360 = 5.94 MpH
>
> Chrys
>
>
>
> ----- Original Message -----
> From: "Chrysanthos Kanellopoulos" <[email protected]>
> To: <[email protected]>
> Sent: Tuesday, March 03, 2009 7:05 AM
> Subject: [TANKS] Re: 3 stage transmission
>
> > Try:
> > RPM * diameter in meters of drive wheel with the added thickness of the
> > track on * 3.14 * 60 min. = speed as meters per hour.
>
> > YOu practically unfold the circumference of the drive wheel that many RPM
> > times for an hour and get the distance.
>
> > If teh diameter is 113 mms., this dimension in meters is 0.113.
> > There 's some loss with teh motors loaded but that depends on the gears
> > It applies for wheeled vehicles too.
> > Chrys.
>
> > __________ NOD32 3434 (20080911) Information __________
>
> > This message was checked by NOD32 antivirus system.
> >http://www.eset.com- Hide quoted text -
>
> - Show quoted text -
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