OP
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I'm wondering if the generator output - GTS 300 (new) - is adequate to run two Keis heated jackets plus heated grips?
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Addicted
SilverWing 600-- 4nprevious Vespa
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Posts: 567 Location: chattanooga tn |
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Addicted
SilverWing 600-- 4nprevious Vespa
Joined: UTC
Posts: 567 Location: chattanooga tn |
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First find out the output of your alternator, minus what power is used to run the machine. then you have left what you can use to run your heated grips and jackets. Probably not enough.
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Ossessionato
2016 Vespa GTS300ie abs/asr/ess Settantesimo '70'
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Posts: 3766 Location: East Anglia, UK |
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Ossessionato
2016 Vespa GTS300ie abs/asr/ess Settantesimo '70'
Joined: UTC
Posts: 3766 Location: East Anglia, UK |
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As far as I know the new HPE Vespas run 450w alternators, same as the earlier ones. Dealer can tell you for sure and how much extra power is left over for the jackets.
I run 3.9amp motorcycle heated grips (using an average 3.6amps during normal use) on my GTS300 2016 model. There probably isn't enough power left over to run more than one heated jacket but you need to find out how much juice the jackets consume of course. Speak with your dealer. |
Veni, Vidi, Posti
2023 Arancia Impulsivo Vespa GTS300 HPE , 2022 BMW R1250GSA 40th Anniversary, 2019 Ural Gear Up
Joined: UTC
Posts: 8508 Location: Toronto |
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Stromrider wrote: As far as I know the new HPE Vespas run 450w alternators, same as the earlier ones. Dealer can tell you for sure and how much extra power is left over for the jackets. I run 3.9amp motorcycle heated grips (using an average 3.6amps during normal use) on my GTS300 2016 model. There probably isn't enough power left over to run more than one heated jacket but you need to find out how much juice the jackets consume of course. Speak with your dealer. |
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My guess (and it's only a guess) is no. Heated grips are no problem. Grips plus one jacket is pushing it.
As a side note, IME the GTS is awful for two-up riding. YMMV. |
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Note that the alternator only puts out the rated power when the engine is revved up. If you are doing any stop-and go or slow-speed riding, you don't have that much power to work with.
Might want to attach a temporary voltmeter to the battery if you intend to experiment. A falling voltage indicates you are drawing more than the alternator is putting out. My wife picked up a battery-powered heated vest for me this past winter. Not suitable for arctic conditions or very long rides, but under a well-insulated jacket it makes cold days tolerable. Several heat levels selectable, and the pocket lithium battery can run a couple hours at medium heat. I suppose you could pick up extra batteries and swap them if you needed more heat or longer duration. Also found that a neck gaiter makes a huge difference. |
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Jimding wrote: Also found that a neck gaiter makes a huge difference. |
OP
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Thanks for the advice! I think the battery powered jacket option is favourite. Has anyone tried the Exo-Togg inflatable inner jacket? The Aerostitch could be worth a try..I really feel the cold but have never been a fair weather rider..
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golden-graham wrote: The Aerostitch could be worth a try..I really feel the cold but have never been a fair weather rider.. |
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