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Originally Posted by futurespeed
My next project is to convert a 1/8 buggy from nitro to electric for strictly racing purposes. . I am planning to go brushless and Lipo. My questions are:
What is the best and easiest buggy to convert? Does anyone know what the lightest buggy is out there that is a good racer?
What is the best ESC/Motor combo for competitive racing? I am looking for power similar to a quality nitro engine, and the smooth power curve of a quality electric ESC.
What are the best Lipo’s to go with? The packs on Maxamps.com are reasonably priced, but do they have the same quality and output when compared to other manufacturers?
What are the run times based on the suggestions that you may have for the buggy suggestion, motor/esc setup, and the battery setup?
I am aware that a voltage regulator, charger, and cell equalizer are also necessary. I think those are all of my questions for now. If anyone can help I would greatly appreciate it.
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I will answer you as best as I can from the testing I have done. One thing I would caution you on is if you are trying to get something that can truly race, becareful who you take advise from. Qualify wether the person that is giving it to you is just bashing their stuff or if they have actually tried it under race conditions on a track. 10 minutes of bashing is not even close to the same as 10 minutes of racing as far as temp goes to a speed control and motor. These are just my opinions:
The biggest problem is figuring out how to get a plastic spur gear on whatever buggy you choose. It is for this reason alone that I like to do either a hyper 7 or a Kyosho k3. Kyosho makes a plastic replacement spur gear that will work on both the K car and the ofna Hyper 7. There is no other modification necessary and you don't need a slipper. This makes things simple. Hyper 7 is definatley the lightest of the two, but Kyosho will out-handle it, so choose your poison.
As for power, most everything that you read on these boards will perform equal or better than the nitro. The problem is trying to find something that will last for the duration of the heats you are going to run without overheating. I would need to know how long are the heats that your track run in order to give you a suggestion.
Lipo's are a little easier. I have Thuder Power 4s2p 6000mah packs. IMO this is the best. I also have Max amp packs and I think for the price they are great, although I have not tested them long enough to see how long they are going to last.
Runtime. I myself am trying to get a 20min setup that won't overheat. Batteries aren't an issue. I have got one combination to do it so far, but I wasn't pleased with the software in the controller. I think that if you want 10min's or less you have a ton of choices and the lipo's I mentioned above can run that time with no problem.
If you want to check with me as you get closer to doing your project I may have more info for you because I am still in the process of testing motors and ESC's. I have tried just about every ESC out there and most of the motor's, so I would be glad to share my info with whoever wants it.