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RR neg to battery neg mod question

  • Thread starter Thread starter bryan
  • Start date Start date
R/R is here

R/R is here

Duaneage,

Got the R/R yesterday. Thanks.

I plan to install tomorrow. We'll see, but my readings seem to indicate I've fried one leg of the stator. It sounds like I won't be able to damage the Honda replacement R/R with a bad stator, though. So it's worth a shot.[-o<

I'm thinking about trying a rewound stator from Tim Parrott at www.tpe-usa.com. I'm not sure I'm capable or have the patience to do a rewind myself, and saving $40 or so bucks would help right now.

If anybody has a stator that they're willing to part with that will fit an 83 GS1100ES, please PM me.
 
Don't forget to sacrifice a live chicken, very important.

A rewound stator should be OK as long as he knows what he is doing and I assume he does. The key is a better RR that doesn't pop the stator legs.

I'm toying with the idea of fusing the stator wires. I need to calculate what the currents are and add 10% to that to come up with a value. Three fuses on the stator leads might be a bit radical, but if it saves a stator leg it's worth it.

The only issue might be if one fuse goes, the increased load might open the other two fuses, completely unhooking the stator.

Like I said, it's only and idea and I need to test it. Stators are expensive and difficult to replace.
 
Duaneage, I'm afraid I'd really have to pilfer you for a lot more free advice, but I'd be willing to be a guinea pig on your experiment. If there is no damage that could result to the rest of the system, I go on short rides for now and I have roadside assistance on my insurance. :wink: As long as I wouldn't damage the new'ish RR, I'm all ears.

Edit: Oh, and I've already sacrificed two.
 
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It's late, but I'll measure the current through a leg tomorrow night and come up with something. The only difficult part is getting fuses of the right type and value. They need to be slo-blow types.
 
duaneage

duaneage

The cure for over current would be in the R/R design but is all else fails then three of these might be the ticket. As I recall it is basically like a fuse that resets after the current drops. The part heats up and the low resistance gets very high; when the part cools it comes back to a low Resistance state.

Three axial parts put together in series with each leg would provide the over current protection.

http://en.wikipedia.org/wiki/Polyswitch

http://www.circuitprotection.com/auto.asp

Posplayr
 
It's late, but I'll measure the current through a leg tomorrow night and come up with something. The only difficult part is getting fuses of the right type and value. They need to be slo-blow types.
Click to expand...
I didn't mean tonight. Darn, you GSers are hardcore! :-D

Although, based on your description, I'm thinking serving as the guinea pig may exceed this rodent's brain power!
 
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I'd rather have a real fuse. I've used those in speaker crossovers before, on a dynamic signal like audio they are appropriate. Fuses are also cheaper and easier to find, generally. I'm thinking of something the average Joe can install and be familiar with.

PPTC devices are a little hard to size, you end up testing a lot of parts. I'm trying to find an appropriate value for someone now who needs protection for very expensive tweeters.
 
Well I think power supply protection is a normal applications

Well I think power supply protection is a normal applications

http://en.wikipedia.org/wiki/Polyswitch

They are actually non-linearthermistors, however, and cycle back to a conductive state after the current is removed, acting more like circuit breakers, allowing the circuit to function again without opening the chassis or replacing anything. These devices are often used in computer power supplies, largely due to the PC 97 standard (which recommends a sealed PC that the user never has to open), and in aerospace/nuclear applications where replacement is difficult.[1]


Also see app notes for 3 phase applications.
see pg 40 and pic attached below:

http://www.circuitprotection.com/04Databook/A_fundam_(15-42).pdf

Posplayr
 
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