WOW-About 36watt!! No wonder you dont make donouts on grass :-) My motors are 800 watt each! On 14,4 volt (lipo battery) Den fredag den 12. april 2013 22.54.27 UTC+2 skrev [email protected]: > > Mike and Derek, > Thank you for your input. What "motors" would you advise in the 24V range? > The Panther weighs about 100lbs now, but will ultimately be around 135lbs > range. > > I currently have x2 12V Batteries, 18Ah each (Standby use 12.6 - 13.8V, > 2.7A, Cycle Use 14.5-14.9V -5.4A). > My motors datasheet shows (for left motor, directly mounted to sprocket - > Right motor is spinner clockwise and performance slightly different): > > Data Type Value Range No Load Current (A) 0.9-0.7 > Speed (RPM) 116.2-95.1 Stall Load Torque (Nm) 21.3-17.5 > Current (A) 13.0-14.7 Peak Power Power (W) 60.0-49.1 > Torque (Nm) 11.1-9.1 Nominal Power (W) 36.5 Nominal (Peak Efficiency) > Speed > (RPM) 82.1 Nominal Current (A) 3.5 Nominal Torque (Nm) 4.3 Nominal > Again, > your input is very helpful! > Cheers from Utah, > Loic > > On Friday, April 12, 2013 1:24:25 PM UTC-6, [email protected] wrote: >> >> Mike is right. 24V motors are better than 12V motors since the 24V >> motors will be more efficient and actually use less amperage. Sounds like >> you just need to get 24V motors with more torque. Also if the batteries >> are not up to the task to delivery the amps the power hungry motors are >> asking for, that will also translate into no power. The 24V scooter motors >> in my KV-2 are more than powerful enough to propel the 150lb. tank. The >> batteries I was testing with (7AH x2, 12V in series to produce 24V@7AH) >> could make the tank do neutral turns while fully charged, but the power >> hungry motors will drain the puny batteries in less than 10 minutes. I use >> less powerful motors on my Sturmtiger. It weighs in at about 100lbs. With >> proper batteries it will do neutral turns on concrete with my 190lbs >> sitting on the tank. I don't sit on it anymore since I bent a few of the >> swing arms by doing that... :) >> >> >> On Fri, Apr 12, 2013 at 2:04 PM, Mike Mangus <[email protected]> wrote: >> >>> Dropping down in voltage probably not the answer for a zero turn on >>> grass. I tried a couple different voltages (6 ans 12) and found the lesser >>> voltage simply didn't have enough omph to turn the tank. 12v was obviously >>> better. If I could I would bump up to 24 or even 36 volts to get the power >>> required to zero turn, not to mention less amp draw over a 12v system. >>> >>> Tracks that grab will actually hurt pivot turning. Smoother tracks seem >>> to let the tank pivot easier. >>> >>> Mike >>> >>> >>> ------------------------------ >>> *From:* "[email protected]" <[email protected]> >>> *To:* [email protected] >>> *Sent:* Friday, April 12, 2013 1:53 PM >>> *Subject:* [TANKS] Re: New Business >>> >>> Not yet Neil. The motors are 24V and not powerful enough. no problem >>> making a 360 on asphalt or concrete. We only reach 2km/hr or 1.3 mph (12 >>> km/hr scale). This tank cruised at 46 km/hr. We are looking into other >>> motors right now (12V with more amps). Also we are concerned about the >>> "accurate" Panther tracks which "grooves" might "grab" on the grass on a >>> 360degree turn. That would not be good for plastic tracks. Suggestions and >>> critics are welcomed! >>> >>> On Friday, April 12, 2013 3:21:51 AM UTC-6, Neil Rochford wrote: >>> >>> Can your tank do zero turns on grass ? >>> Neil R >>> >>> -- >>> -- >>> 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 received this message because you are subscribed to the Google >>> Groups "R/C Tank Combat" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> >>> >>> -- >>> -- >>> 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 received this message because you are subscribed to the Google >>> Groups "R/C Tank Combat" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> >> >>
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