your tank is fantastic Fred !! how are things so cheap anywhere other than England ? I dont know why your concerned about having your fans on when your motors are not running. I think for the draw they will pull isnt going to make much of a dent into those batteries.
happy tanking Neil R On May 6, 5:21 pm, Fred Thomson <[email protected]> wrote: > Hi Mark, > > The 120 rpm limit is set at the controller. A test with the re- > programmed controller on the actual wheelchair motors gave me approx > 300 rpm. Acceleration/deceleration, turn speed, torque, etc are also > programmable and are usually set low, 30 to 50%. Setting these values > at a higher level dramatically increases performance. Even if they > were a bit slower, I would take control over speed and this could be > overcome via a couple of gears. The wheelchair motors (right angle > gear head motors) are destined for my next tank (actually they are > already mounted in the frame) of an Italian Ariete MBT. > Most controllers have several DRIVE settings that can be programmed. > I have one controller that has four and it is programmed at 95% for > Drive One (default), 75% for Drive Two, 50% for Drive Three, and 30% > for Drive Four. I am toying with the idea of using one R/C channel to > control this, although it seems a bit redundant. Once I figure out how > to control the POTS directly, I may do away with the mechanical > joystick control. > > The Batteries are, I'm sure our UK friends will choke on this, > > http://www.allbatteries.co.uk/1001Piles/FicheProduit.aspx?site=1001&l... > > SBS60 SLA that I picked up new, unused from a surplus place for $39.95 > CDN each. I have run the Bulldog around for an entire day without > flattening the batteries. Yes they do weight a lot (18 kg ea.) but > there is nothing better than having lots of reserve. :-) > > The controller powers the M01 motors perfectly. Although right now, I > have a set of electric brakes hooked up and mounted off to the side > until I figure out how to trick the controller. I am thinking I may be > able to replace them with a couple of additional 24v fans mounted over > the motors. That way the those fans will only run when the motors are > running. > > Cheers, > Fred > > -- > 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 athttp://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
