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  1. #1
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    Default 2014 Alternator amperage...

    Has anyone measured the amperage produced by the new alternator?

    KS
    KS

  2. #2
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    It's rated for 1200 watts; isn't there a formula that'll give you an idea of what the amperage should be?
    2010 RT A&C, RT-L, RT-L , Orbital Blue, Cognac, Jet Black

  3. #3
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    I was going to look for a formula. I assumed (bad, very bad) that someone already worked it out.

    Here in Kansas, the only math we do is counting the fence poles along I-70 from Kansas City to the Colorado border. Even after taking my shoes off I only got to the Kansas Welcome Center East of Bonner Springs!

    KS
    KS

  4. #4
    Very Active Member ThreeWheels's Avatar
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    1200 watts/12V= 100 amps
    If it ain't broke, don't break it.
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  5. #5
    Active Member aeroshots's Avatar
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    amps = 1200W / 12V = 100A

  6. #6
    Active Member aeroshots's Avatar
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    woops---I was too slow

  7. #7
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    Wattage divided by voltage; was it really that simple??
    2010 RT A&C, RT-L, RT-L , Orbital Blue, Cognac, Jet Black

  8. #8
    Registered Users Spacetrucker's Avatar
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    Will run all of our police lights, 3 radios, heated suits, and more. So lots of power to run all the time and also charges our 2 nd battery to on the bike. 2014 police Spyder rts.

  9. #9
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    The old magneto-fired system was okay...
    But the new alternator is superior!
    2010 RT A&C, RT-L, RT-L , Orbital Blue, Cognac, Jet Black

  10. #10
    Very Active Member WA5VHU's Avatar
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    Default 12 Volts is not 12 Volts

    The alternator is rated for 1,200 watts. I have not measured the actual output voltage of our 2014 but the typical auto battery charging voltage is usually between 13.8 to 14.4 volts. If we say the charging voltage is 14.0 volts then at 1,200 Watts the amperage output would be 85.7 amps.
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  11. #11
    Very Active Member jaherbst's Avatar
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    Quote Originally Posted by WA5VHU View Post
    The alternator is rated for 1,200 watts. I have not measured the actual output voltage of our 2014 but the typical auto battery charging voltage is usually between 13.8 to 14.4 volts. If we say the charging voltage is 14.0 volts then at 1,200 Watts the amperage output would be 85.7 amps.
    So there you have it in a nut-shell. in other words if all your lights and horn are working it is OK--if you have not lights or horn it's time to call Ready Kilowatt I think I got it.

    Thanks Jack
    All my life I wanted to be somebody, now I realize I should have been more specific.
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  12. #12
    Registered Users Robertsepolen's Avatar
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    Default So how much wattage is the 1330 using?

    I understand that the 1330 ace is producing 1200 watts. after the bike gets what it needs, how much is left for other things?
    2015 RT-S. wanting to use Gerbing heated gear for both me and my wife. have calculated out that if we both use jacket liner, pant liner and glove liner we will need 300 watts. Plus charge two cell phones.

    Better Yet, where do we find the wattage information for the bike?
    2015 SE6 RT-S
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  13. #13
    Very Active Member retread's Avatar
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    The formula for a DC circuit is Power=I(current) times E(voltage). That will give you a ballpark idea of what's available. We could go deeper, but it can get complicated. Figure the 998 is around 600 watts, and did fairly well with some interesting additions, the 1330 should be able to handle at least as much easily.

    john

  14. #14
    Very Active Member BLUEKNIGHT911's Avatar
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    Default WELLLLLLLLLLLLLLLLLLLLLLLLLLLLLL

    Quote Originally Posted by Robertsepolen View Post
    I understand that the 1330 ace is producing 1200 watts. after the bike gets what it needs, how much is left for other things?
    2015 RT-S. wanting to use Gerbing heated gear for both me and my wife. have calculated out that if we both use jacket liner, pant liner and glove liner we will need 300 watts. Plus charge two cell phones.

    Better Yet, where do we find the wattage information for the bike?
    READ POST #8...........Mike

  15. #15
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    Quote Originally Posted by Spacetrucker View Post
    Will run all of our police lights, 3 radios, heated suits, and more. So lots of power to run all the time and also charges our 2 nd battery to on the bike. 2014 police Spyder rts.
    Where does the second battery go?

  16. #16
    Very Active Member WA5VHU's Avatar
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    Default A Test Update

    An update to this thread, I wanted to see how well our 2014 RT Limited would charge up our "camping battery", which is a 12V, 35AH sealed AGM. I discharged the battery to a safe level then connected it to the Spyder with large gauge cables, engine running at idle and revved up. Below is the charging measurements observed. As you can see there is not much difference between idle and with the engine revved up.

    This alternator is, for a motorcycle, a powerhouse!


    Attached Images Attached Images
    Last edited by WA5VHU; 03-18-2016 at 01:21 PM.
    Current:
    2016 Honda CTX700 DCT ABS (faring model)
    Kip Moto SherpaX Cargo Trailer

    Wife Has:
    2014 Can-Am Spyder RT Limited
    2016 Lees-ure Lite Camping Trailer

    Previous:
    2013 Can-Am Spyder RS SE5, zoom-zoom!
    2011 Can-Am Spyder RT-S SE5, Foot Burner - Gasoline Boiling Stinker - Gas Tank Vacuum Puller



  17. #17
    Very Active Member spyderCodes's Avatar
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    Default

    While the theoretical total amperage delivered by the alternator is around 87.6 A you probably couldn't really draw anything near that for extended periods in the real charging system so I wouldn't be trying to use the microwave and the popcorn maker at the same time.

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