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I messed around with the settings on the esc a little. I don't know what the timing was set on before, but I changed it to 15* for 10-14 pole outrunner motors. I have the option of 1* for 2-4 pole inrunners, 7* for 6-8 pole motors, 15* for 10-14 pole outrunners, and 30* for 10-14 pole high rpm outrunners. If one of the other settings would be better for me let me know. Startup is much better now though, but still not perfect. Since this setting change and the improvement on startup, I think I'll just run my 11/72 gears I have now geared for 27.27 mph. I'll see how it goes and I always have the option of gearing down later. Right now I'm geared for low 30s. Since I don't need the sprocket from mcmaster, this will allow me to try and find the chain locally to save some money. Would your standard lowes/home depot have #25 roller chain? |
I dobt it would. You could probably pick some up from a e-scooter store on the cheap, though.
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Placed an order at electric scooter parts dot com. It was a little more expensive then I could have found, but they have the pot there so I went with it. I hope it arrives fri-sat. I'll post some pics. I can't wait!
Code Item Qty Price Total POT-5KS Sliding 5k Ohm Potentiometer (POT-5KS) 1 $4.95 $4.95 CHN-25140 140 Links Of Standard Duty #25 Chain With Master Link (CHN-25140) 1 $16.80 $16.80 CHN-25ML #25 Chain Master Link (CHN-25ML) 2 $0.95 $1.90 |
Sweet man!
I got the elecs in for my e-bike today, I'll make a thread tonight probably. |
Oh yeah, saw you're doing a brushed bike. I was working on my General Lee before this popped up, and I hope to finish it or do a different bike in the future. It will be transportation oriented; not recrational. I don't know what the heck I'm going to run; brushed or brushless....
I'm getting some experience under my belt with this pocketbike first. :yipi: Can't wait till it's done. :whip: |
Out with the old, In with the new. The old freewheel had to be completely dissasembled to be removed, so I'm not sure if I'll ever be able to put it back on. It's a pos anyway, so I guess I don't need to worry about that now! 8)
Awaiting chain, a few bolts, and a new throttle pot. Can't wait. Hope it's here by the end of the week. Sorry for the blurry pics too; my $70 camera sucks. the old freewheel http://i345.photobucket.com/albums/p...1/S7301986.jpg http://i345.photobucket.com/albums/p...1/S7301987.jpg http://i345.photobucket.com/albums/p...1/S7301988.jpg http://i345.photobucket.com/albums/p...1/S7301989.jpg I can fill up the tire now!! http://i345.photobucket.com/albums/p...1/S7301990.jpg http://i345.photobucket.com/albums/p...1/S7301992.jpg just awaiting chain http://i345.photobucket.com/albums/p...1/S7301993.jpg here are some other pics I have. The guy on the bike is my friend troy, I am about as big as him if you're wondering. I'm 5'7". http://i345.photobucket.com/albums/p...1/S7301985.jpg http://i345.photobucket.com/albums/p...1/S7301966.jpg charging setup. I just swap out the series connector for a parrallel connector and charge the packs with a car battery charger at 2a. I'm not sure if the batteries will take 6a which is the next step up. Let me know if they can. They're 10ah 12v sla batteries. http://i345.photobucket.com/albums/p...1/S7301970.jpg |
Got some stuff done today. I hope my chain and pot come in the mail soon...
http://i345.photobucket.com/albums/p...1/S7302000.jpg [the chain in the background isn't long enough] http://i345.photobucket.com/albums/p...1/S7301994.jpg http://i345.photobucket.com/albums/p...1/S7302001.jpg http://i345.photobucket.com/albums/p...1/S7302002.jpg Better esc location and mount. It's solid as a rock. http://i345.photobucket.com/albums/p...1/S7301995.jpg I also spent 89 cents on nuts and bolts and bolted up the rear sprocket to the freewheel. I need to put on the chain and hook up the pot and she's done for good. |
is that the hobbycity 85a-95a esc? i was using one for my savage conversion and it worked better and more reliably than other other esc i have ever had.........until i damaged it in a crash lol.
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That looks awsome! I have wanted to do something like this for a while but with a go cart. I have a huge 24v motor. its about the lengthe and width of a truggy chassis. but its only 900rpm. Can i have a list with links for your electronics?
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"when in doubt, overvolt it" try running 48v or 72v. if not, just gear it to the moon.:intello: |
Sweet Riley. How the hell did you get that rear freewheel off?
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This is supposedly my motor, but it looks way different and maybe even longer in the pic - http://www.hobbycity.com/hobbycity/s...idProduct=5144 this is my controller, but older style - http://www.hobbycity.com/hobbycity/s...idProduct=7341 servo tester, which is nice because it has a 5v or 22v input. I just hooked up the pos wire on the 22v input to one of my leads and the ground is in the radio wire that goes to the esc. I love how that works - http://www.hobbycity.com/hobbycity/s...idProduct=8373 I personally think 900rpm is better then 600rpm when dealing with a 24 or 26" bike. 6000rpm is way too much and requires a planetary gearbox or 2 stage reduction. Play around with the speed calculator for awhile and you'll agree with me. |
Ya. It's a brushed motor but I think I will use it first. It will easily push me and a go cart. I'm 128 pounds and the cart would be around 50 or less. I'll post a pic of it becide my CRT. And what's the servo tester for? Throtle control?
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Yes, the servictester is for throttle, but that is only if you are using rc electronics. It depends on what controller you are using for throttle control.
Also, an electric go kart will weigh a lot. My mini bike weighs over 40 pounds. Unless you use lithiums, expect 75-150+ pounds. |
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