pike
Member
Hi guys, after that crazy tank i built a while ago (the one with bike chains as treads!!) I've come to realise that it is absolutley useless. It serves no purpose. It just wastes electricity and time!!
so...I've come up with the idea of applying the same theory but onto a lawn mower as it is one of those chores i hate!!
Now the problem...
The only 2 options practical to provide pushing power is a hydraulic system, or a geared electric system (worm gear??)
So far the hydraulic system would require a:
-pump
-motors
-valves
-fluid reservoir
-high pressure hoses
where as an electric system would need:
-generator (if not, stupidly big batteries)
-battery
-motors
-high current power control electronics (mosfets)
obviously it looks like an electric system would be easier to handle and fabricate. The only problem is that the motors required to push the mower eat so much power that they would die in just 20 minutes from the battery size limitations.
So would a permanent magnet 450 watt dc motor be able to supply the power to 2 100 watt motors and keep the battery charged at the same time. The 450 watt motor is rated at 24 volts with 24.5 amps @ 2500 rpm??
Obviously the motors will not generate 450 watts of power at the rated rpm, but will it be sufficient??? yes the generator will be run off the main mower engine, so would it put alot strain on it???
**broken link removed** this is where the motors will be obtained. sc100 and sc450 are the motors in question.
so...I've come up with the idea of applying the same theory but onto a lawn mower as it is one of those chores i hate!!
Now the problem...
The only 2 options practical to provide pushing power is a hydraulic system, or a geared electric system (worm gear??)
So far the hydraulic system would require a:
-pump
-motors
-valves
-fluid reservoir
-high pressure hoses
where as an electric system would need:
-generator (if not, stupidly big batteries)
-battery
-motors
-high current power control electronics (mosfets)
obviously it looks like an electric system would be easier to handle and fabricate. The only problem is that the motors required to push the mower eat so much power that they would die in just 20 minutes from the battery size limitations.
So would a permanent magnet 450 watt dc motor be able to supply the power to 2 100 watt motors and keep the battery charged at the same time. The 450 watt motor is rated at 24 volts with 24.5 amps @ 2500 rpm??
Obviously the motors will not generate 450 watts of power at the rated rpm, but will it be sufficient??? yes the generator will be run off the main mower engine, so would it put alot strain on it???
**broken link removed** this is where the motors will be obtained. sc100 and sc450 are the motors in question.