normal stator output gl1200


Information and questions on GL1200 Goldwings (1984-1987)
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bobberwing
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Joined: Sun Jun 03, 2012 11:22 pm
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Motorcycle: 1984 gl1200 interstate

normal stator output gl1200

Postby bobberwing » Fri Oct 23, 2015 1:21 pm



I just put a new stator and regulator/rectifier in my 1984 gl1200 from Ricks Electric. What is reading I should get for volts at the battery while engine is at idle and at 3000 rpm?



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virgilmobile
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83 GL1100 standard
84 GL 1200 I

Re: normal stator output gl1200

Postby virgilmobile » Fri Oct 23, 2015 2:33 pm

It may vary a bit however expect to see 13.4 to 14.4 volts after 10 min of running at 3k.
At a idle(850-900 rpm) it may drop to around 12.8.The bike is using a little more power at a idle than the stator can provide.
My 1200,after a complete overhaul of the system and a new battery (after 15 minuts of battery recovery) and 900 rpm,would stabilize at 13.2 idle and max out at 14.2.
Last edited by virgilmobile on Fri Oct 23, 2015 2:38 pm, edited 1 time in total.

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twocams
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Motorcycle: 1985 GL1200 Aspencade, 2003 K1200GT BMW, 1969 R69S BMW
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Re: normal stator output gl1200

Postby twocams » Fri Oct 23, 2015 2:37 pm

It always has to be more than battery voltage (12v) So 13 to 14+ volts. But that depends on your battery to. If its more than 2 yrs old I would have it checked real good also. i had a battery one time that had a bad cell and did know. The alt. was charging so hard to compensate for the bad cell it burned itself up.

Rich

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redial
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Location: Kapunda, SouthAustralia
Motorcycle: 1997 GL1500 Spectre Red Aspencade

Re: normal stator output gl1200

Postby redial » Fri Oct 23, 2015 8:22 pm

Actually, each cell, when fully charged and fully operational, should put out 2.2 volts. When six cells are put together, a battery at rest and fully charged should show 13.2 volts. To charge a battery, it needs more than that to recharge. Going for a ride to get an ice cream at the local shop will take more out of the battery, than going for a 30 minute ride both ways. Think big, both your GW and you get the benefits that way! ;)
Len in Kapunda

The world is not going to finish today, as it is already tomorrow in Australia and New Zealand, and other islands of foreign nations such as Guam and Samoa.

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twocams
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Re: normal stator output gl1200

Postby twocams » Sat Oct 24, 2015 11:24 am

In my 50yrs of playing with batteries I have never seen more that 12.8 volts in a fully charged battery. But that in the US. Never checked one in Australia. :roll:
Rich

bobberwing
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Location: Pikeville, Tennessee
Motorcycle: 1984 gl1200 interstate

Re: normal stator output gl1200

Postby bobberwing » Sat Oct 24, 2015 8:03 pm

Ok, at idle I am getting 13.5 on meter by checking volts at battery terminals and as high as 15 volts at 3000rpm. New stator and reg/rectifier from Ricks Electric. Does this sound ok?

Droneh8tr
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Motorcycle: 1986 GL1200 SEI, 1983 Yamaha Venture Royale, 1995 Kawasaki 750 Vulcan

Re: normal stator output gl1200

Postby Droneh8tr » Sat Oct 24, 2015 8:04 pm

bobberwing wrote:I just put a new stator and regulator/rectifier in my 1984 gl1200 from Ricks Electric. What is reading I should get for volts at the battery while engine is at idle and at 3000 rpm?


I recently put a Ricks stator and rectifier into a 1983 Yamaha Venture. I had questions, called them up and they couldn't have been any more helpful. If you have any questions, don't hesitate to call them.

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redial
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Location: Kapunda, SouthAustralia
Motorcycle: 1997 GL1500 Spectre Red Aspencade

Re: normal stator output gl1200

Postby redial » Sat Oct 24, 2015 8:11 pm

And what was their answer?
Len in Kapunda

The world is not going to finish today, as it is already tomorrow in Australia and New Zealand, and other islands of foreign nations such as Guam and Samoa.

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twocams
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Re: normal stator output gl1200

Postby twocams » Sat Oct 24, 2015 8:14 pm

The 13.5 sounds about right. The 15 sounds a bit high. But not terrible. May come down after riding for a while and getting battery good and charged up.

Rich

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redial
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Location: Kapunda, SouthAustralia
Motorcycle: 1997 GL1500 Spectre Red Aspencade

Re: normal stator output gl1200

Postby redial » Sat Oct 24, 2015 8:19 pm

Twocams, I was working on old memory from when I was undertaking a commercial radio operator's course, some things stick in the brain box, and others just visit for a short time. On further research, I believe that you are more correct than I, just to show that the upside down world is the same as the Northerners'.

I gathered up this info, which should shed some light on the subject:
Energy Matters Customer ReviewsPerformance GuaranteeSolar Power Systems - Quality
DEEP CYCLE BATTERY VOLTAGE & STATE OF CHARGE

If you’re the owner of a mobile or off grid solar power system, one of the most obsessive pastimes is determining how much charge you have left in your deep cycle battery bank. This is also known as “state of charge”.

While not totally accurate, the easiest way to determine this is with a multimeter if your solar regulator or charge controller doesn’t have a voltage readout. State of charge does vary a little between a sealed lead acid, flooded, gel and AGM deep cycle battery types and also between brands. Even the weather can play a role

The table below shows the voltage and approximate state of charge for each type of battery.

Note: The figures are based on open circuit readings; i.e. when the deep cycle battery isn’t under load and hasn’t been under load for a few hours. This scenario may not occur very often in a battery based system that’s continually being used; so the best time to take the reading is early in the morning before the sun hits your panels, in the evening as the sun is setting, or when it’s very overcast. If if you take a reading while the battery is receiving charge, it could read anything up to 14.5 volts.

If you take the reading when the panels aren’t exposed to the sun, as there will likely be power being drawn at the time, you can assume that whatever the voltage reading, it’s a conservative estimate. Once all load is removed from a battery, voltage can bounce back up substantially.


State of Charge Sealed or Flooded Lead Acid Gel battery AGM battery
100% 12.70+ 12.85+ 12.80+
75% 12.40 12.65 12.60
50% 12.20 12.35 12.30
25% 12.00 12.00 12.00
0% 11.80 11.80 11.80



I apologise for any misinformation that I have conveyed.
Len in Kapunda

The world is not going to finish today, as it is already tomorrow in Australia and New Zealand, and other islands of foreign nations such as Guam and Samoa.

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twocams
Posts: 554
Joined: Tue Sep 29, 2015 11:25 am
Location: Grants Pass, Oregon
Motorcycle: 1985 GL1200 Aspencade, 2003 K1200GT BMW, 1969 R69S BMW
Sold : 84 V65 Magna, 82 Moto Guzzi, XS 1100 Yamaha,84 Wing Int., 80 650 Special, Only new bike 82 XV750 Virago (Guam),Honda 250,84 R100RT BMW,87 K100 LT BMW,93 K1100 LT BMW, 91 535 Virago, Honda 50

Re: normal stator output gl1200

Postby twocams » Sat Oct 24, 2015 8:48 pm

That's OK redial, I wasn't trying to make a big deal. Just never saw it before. :)

Twocams

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virgilmobile
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Joined: Sun Sep 19, 2010 5:39 pm
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Motorcycle: 1988 GL1500 I
Previously owned
78 GL1000
81 GL1100
82 GL1100 I
83 GL1100 I
83 GL1100 standard
84 GL 1200 I

Re: normal stator output gl1200

Postby virgilmobile » Sun Oct 25, 2015 11:45 am

With your DVD and the bike running at 3k, measure the voltage drop from the battery positive post to the small black wire feeding the regulator.More than 0.5 volts will increase the output of the regulator above normal...If it gets over 14.5 volts at the battery,you will eventually boil the battery....reducing it's fluid level and killing it...this may take a month or two...
if the volts are high and it's caused by a voltage loss in the black sense wire,a simple relay circuit can be fitted to stabilize it...A good system rarely goes above 14.2 volts...
I use the contacts of the relay to switch direct fused battery volts to the regulator...the harness black wire is used only to operate the relay.




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