Drag Race Cars

5 responses so far ↓

• Hero

  Oct 1, 2010 at 5:24 pm

  

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• MagnumRoboter

  Jun 3, 2011 at 9:01 am

  

  "National (USA) 1/4 mile Drag Racing records are:
  Top Fuel Dragster 4.42 seconds at 336 mph and Funny Car 4.65 at 333 mph."
• Exto

  Jun 26, 2011 at 8:44 am

  

  I now need a bumper car shell, a go-cart motor, and a slow vehicle sign. It will go nicely with my roller coaster car dragster.
• Fayaz Kadir

  Aug 10, 2011 at 8:30 pm

  

  Hi, I am just going to answer one of Alexandro's question..
  this was the post he wrote:
  “For example, the Tesla Roadster 3-phase, 4-poles AC motor is only ~ 30 kg but for a power of about 250 HP, much better (x 5) …”

  Hi Alexandro, Tesla does have a 250Hp motor, but you have to take in account that they are watercooled, and have a radiator to dissipate the heat from both the motor and the traction inverter. This lowers the overall power density.

  Then again, the inverters also weigh quite a considerable amount. Take in account of a Calmotor controller prototype GP450A,it weights 16kgs (just the controller, ignore the piping and the glycol solution flowing through it.)
  btw that inverter costs around the region of $8k, but then you add your tuning of your AC motor, which is another $3k, and then add another $1.5k for diagnostic tools. So we are looking at around $13kUSD, without even the motor.

  Now take in consideration of a Agni Motor, its Axial-brushed DC, yet upto 93% efficient. it weighs around 11 kgs, and produces 25Hp(1.7kW/kg) ( with proper clean airflow, and as much as 40Hp for around 40Seconds(tested on my electric Boat and Motorcycle).

  As mater of fact,Considering only AIR COOLED motors, DC motors pack more power if properly designed and they are simpler, and lower cost.

  Thats why you will see most EV conversions start with DC motor. Look at the White Zombie (Electric Car Dragster) that uses DC, not AC, or perm-mag

  But DC are not the most efficient. The work efficiently near No-load. Thus for any application using DC, Bigger the motor, the more efficient it will be during usage.
  But more comparative load, more is the loss.

  I hope that clear's out the confusion.

  -Fayaz Kadir
• jay4tweny

  Sep 24, 2011 at 4:21 am

  

  go for the old skyline, some power but cheap or just buy a cheap v6 any of em can drag just make sure its manual