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Messages - Bl4kkat

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Tech Help / Re: Sepex motors: are they DC or AC
« on: September 11, 2010, 08:21:00 PM »
Wow that sucks sorry to hear that Richard... I thought the Sepex was overall better motor compared to the Etek. But now seems like the Sepex is a little bit more efficient + regen capabilities at the cost of power. Correct me if I'm wrong but I guess there's a reason why slot of people go with the Etek motors, more bang for ur buck I guess.

But Richard if ur current batteries are sagging under load couldn't u just upgrade to a LiFePo4 battery chemistry? I kno they're more expensive but IMO they are worth it.  I've already made up my mind that the system I'm planing is going to be lithium and not SLA

2
Tech Help / Re: Sepex motors: are they DC or AC
« on: September 10, 2010, 10:00:45 PM »
So basically the sepex motor is like a step up transformer?

But between the Sepex and Etek motors, sepex has a higher efficiency. With that said how much harder is it to configure compared to the Etek... or is the extra pair of wires from the Sepex the only difference (1 pair ea. for field and armature).

I kno the AC motors are three phase (3 wires) so setup for those are a little more complex than DC motors. I'm just trying to picture exactly how easy/difficult this project will be and how long I should plan it out

3
Tech Help / Sepex motors: are they DC or AC
« on: September 09, 2010, 09:34:24 PM »
This might sound a little sillY but I was wondering if the motor was AC because it's voltage input is only 24-48v and has regen capabilities.

But I think I rember reading somewhere that it is a DC motor so I'm a bit confused

thanks

4
Tech Help / Where to get a rolling frame?
« on: September 02, 2010, 07:41:59 PM »
Hi guys this is my first post and I thought my question belongs here.

I was just wondering where can I find a good dirtbike frame for the 250-400cc class dirtbikes? I've found some good one on eBay and various other websites for the 50-80cc bikes, but looking at the tires they look to be 15"... I want something with bigger tires

I was also lookin into the Kikker 5150 Bobber bikes most people sell and heard that u can get just the rolling frame but they're like $1,100.00 for the 110cc and a little more for the stronger 200cc frame.

Prefferably I'd like to get a frame around $400 give or take and I've already decided that I don't want a sports bike frame either. I've looked through my local craigslist and the only things that I have found so far are sports bikes.

Thanks in advance
Mark

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