My 350W and 450W motors use a 60A fuse per motor. I've never blown one. I have blown a 30A fuse when I stalled the track running over a tree stump. My motors stall out at around 100A.
Derek T065 SV016 KV-2 on hold On Tue, Jun 22, 2010 at 6:59 PM, Don Shankin <[email protected]> wrote: > > > On Tue, Jun 22, 2010 at 7:18 AM, Phil <[email protected]> wrote: > >> I would also like to know the answer to this one as I've just put >> fuses in my tank. Ryan's motors are 24V and 350W. Watts = amps x >> volts, so 350 divided by 24 tells us that Ryan's motors are pulling >> 14.6A at their nominal power. He could use a 15A fuse, but am I right >> in saying that 20A would be less likely to blow from minor >> fluctuations but would still protect in the event of a major problem? >> >> Can Ryan use 12V car fuses, or do you need 24V ones? >> >> Phil P >> >> On Jun 22, 12:38 am, ryan wells <[email protected]> wrote: >> > What type of fuses should i use for these motors? >> http://www.allelectronics.com/make-a-store/item/DCM-1353/24VDC-350W-M... >> > Ryan P. >> > >> > _________________________________________________________________ >> > The New Busy is not the too busy. Combine all your e-mail accounts with >> Hotmail. >> http://www.windowslive.com/campaign/thenewbusy?tile=multiaccount&ocid... >> >> -- >> You are currently subscribed to the "R/C Tank Combat" group. >> To post a message, send email to [email protected] >> To unsubscribe, send email to [email protected] >> Visit the group at http://groups.google.com/group/rctankcombat >> > > Phil, > > Your math and reasoning are correct, but instead of using the numbers for > nominal current draw, I would go for something between peak and stall. Your > motors are going to consume a lot of power doing things like skid turns. I > would select fuses with amperage ratings maybe 10% below stall (I just > pulled this number out of thin air, I'm sure more people will chime in) > > For 12/24VDC, I can't think of any reason at the moment why the voltage > rating would be a primary concern. > > Also, I would think that a slow blow fuse would be more appropriate > > > -- > You are currently subscribed to the "R/C Tank Combat" group. > To post a message, send email to [email protected] > To unsubscribe, send email to [email protected] > Visit the group at http://groups.google.com/group/rctankcombat > -- You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [email protected] Visit the group at http://groups.google.com/group/rctankcombat
