Update

[wildbill hickup]

Thanks to Trivo's idea I finnaly got this up and turning at a couple of decent speeds.

here are the readings I got. THese are rrectified.

lighter windings

     no load 350 RPM 14.5

            1300 RPM 50

     Loaded (12v headlight)

              350 RPM 3.5    Dim light

             1300 RPM 15.75  Bright

Heavier windings

     No load 350 RPM 16      

            1350 RPM 65

        loaded

               350 RPM about 9 keeps tearing tape (moderate light)

              1300 RPM who knows tears tape right off

Very definate drag!!!!

Headlight measures .6 ohms

I realize these are not the most scientific readings and I couldn't get a very good amperage reading(need more duct tape), that's what I have so far.

Two questions

(1) I have about 100' to run this output, charging 12v battery(ies), plan to use #14 romex wire, should I rectify at genny or at battery?

(2) What size rotor should I shoot for? I generally have a pretty brisk wind up hear so low wind is not really a problem (say 10MPH+)

Well there is is, have I got something here? I regret that this probably won't last to long because the motor has bushings instead of bearings (but it's what I could come up with) even if I get a few months out of it, it will be part of the learning curve DanB mentioned in a recent post.

NOW TO FIND A BIGGER ONE!!!!!!!!!!

I know where I can get an old 3 HP DC motor, trouble is I can't lift it!!!!!

Any theories, hints, help, will as always be greatly appreciated

Wildbill

[ghurd]

Romex or any 14ga is going to have pretty high losses going 100'.  I would suggest moving up to 10ga at least, 10-3 is still almost cheap.  Even bigger if you can.

G-

[Trivo]

Wild Bill

Yes the tape thing is a pain

What you need to do now is to get some high torque power to the geni so when the geni gets to that point when you get drag it is just starting to work then and this is when you take start your readings and load the geni. I guess you are aiming to run it at around 400 rpm off a prop so if you need some amp readings under load.

Have you put the readings around the wrong way because the lighter the wire the higher the voltage and the less the amp's

Anyway connect the 14.5 volt to a 12 v battery in paralell with your meter (it should have 10 amps plug hole in the meter) and run it at 350 rpm and see what it reads then take the revs up and see what you get.

Good luck

ps the bushing type motors should be fine for this type of speed just put a drop of oil on them and they will be fine for ages. Bearings are designed for speeds of 1000rpm +

Trivo

[hiker]

whats with the tape!!!

take a short section of hose and slide that over the shaft '[no jokes]

then find a bolt the same size as the hose and slide that in the other end..

grind down or cut down the end of the bolt so it will fit in the drill..

then just use hose clamps to hold it on the shaft and bolt,,

crank er up!!!!