homemade generator?

GoldenMotor.com
Moto

Moto

Member
Jan 7, 2012
403
15
18
San Francisco, CA.
Ok - first let me say that that im completely uneducated about this! But i really want to make something like this:
http://www.ebay.com/itm/6-Volt-Elec...=WDVW&rd=1&ih=027&category=75211&cmd=ViewItem
For my bike - but cannot see myself plunking down ~30 for a coil. Is there any way that I could make my own? I can image you could just copy their mounting style and make your own coil with copper wire? Heres what im wondering:
-What material for the core; wood / metal / plastic / conductive or nonconductive?
-What gauge wire for the windings / how many windings?
Thanks -MoTo
 
B

bigbutterbean

Active Member
Jan 31, 2011
2,417
3
38
Lebanon, PA
You could attempt to copy that design, but there are two things. One, you'll need a machine that can wind the coil. Two, it may take several attempts to get it right. Not saying that it can't or shouldn't be done. If you have everything you need and want to try, have at it. Just want to point out that its worth it to buy the coil. I had one on my two stroke bike, and it worked very well. You won't be disappointed if you spend the money to buy one. It doesn't interfere with the ignition at all. The seller claims a slight drop in hp, but its so small as to be negligible.
 
GearNut

GearNut

Active Member
Aug 19, 2009
5,104
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38
San Diego, Kaliforgnia
The core needs to be many layers of ductile iron sheet metal. Sheet steel would also work, but iron is better.
Look at how the magneto coil is made to get a better understanding of what I am saying.

As for the gauge of wire and how many wraps on the coil, I would need to do a search on this site for that info. It has been discussed in the past and folks have made their own before.
 
Desert Rat

Desert Rat

New Member
Jul 30, 2012
565
9
0
Apache Junctoin Az
I don't see why you couldn't get an old 6volt vw coil or something like it
and use that but then you would have to run a voltage regulator along with it.
but then I'm no electronics whizz
 
Moto

Moto

Member
Jan 7, 2012
403
15
18
San Francisco, CA.
GearNut said:
The core needs to be many layers of ductile iron sheet metal. Sheet steel would also work, but iron is better.
Look at how the magneto coil is made to get a better understanding of what I am saying.

As for the gauge of wire and how many wraps on the coil, I would need to do a search on this site for that info. It has been discussed in the past and folks have made their own before.
Click to expand...
Ok - this seems pretty complicated for too little of a return. Ive been poking around my favorite site and found this: https://www.treatland.tv/puch-moped-bonus-X2-lights-n-fun-mystery-coil-p/moped-mystery-coil.htm

its out of stock and I dont know if it would fit but it seems like a EXCELLENT alternative. And at 2.50$ screwing up is not a problem. I go to their warehouse all the time and ill harass them about getting this back in stock next time i go.

Then again I do have a dead mag that i could chop up and rewind..... (deep thoughts)
 
Desert Rat

Desert Rat

New Member
Jul 30, 2012
565
9
0
Apache Junctoin Az
Hey moto here are the lights I use and remember without a battery
no motor running, no lights!

1 each front and rear
http://www.harborfreight.com/12-volt-led-mini-spotlight-with-magnetic-base-95799.html

and then 2 of these hard wired up front
http://www.harborfreight.com/3-3-4-quarter-inch-32-led-flashlight-98504.html

and I used this for the battery lights
http://www.ebay.com/itm/251240402127?ssPageName=STRK:MESINDXX:IT&_trksid=p3984.m1436.l2649

allows me to adjust the voltage I'm using

I use a 12 volt 10.5 AH battery $45 on ebay and I get about 20 hours on a charge not that I let it drop that much ever, I use a 12 volt car battery maintainer
Oh and bright! lights up whole lane 40 foot out

Hope it gives you something to think on
and sorry for poor pic quality
 

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