Low energy horn suggestions

[Greaser]

I run a batteryless bike with a 180W alternator hooked to a Boyer Powerbox and I can not get the damn horn to work! The alternator output isd 180W, and the Boyer puts out 14.45 V when not hooked to a battery, giving me about 12.5 A to run my headlight and taillight, which are on all the time. I have gone throught he wiring as well as my friend who build tube amps. We can't find any shorts or crossed wires. I have unplugged everything and left only the horn hooked up and still nothing. I tested the horn on another bike and it was AOK. Of course, it was a modern bike that put out a zillion Watts.... :

So, any suggestions for a horn that requires as few amps as possible?

 

[CanadaDan]

Awkward but low amp... high carb but low amp ;D

Seriously though... maybe a capacitor? It's a wild guess but it may be able to boost the horn into life.

 

[Greaser]

Awkward but low amp... high carb but low amp ;D

Seriously though... maybe a capacitor? It's a wild guess but it may be able to boost the horn into life.

That is what I was thinking.....



...capacitor, that is.

 

[johnson_steve]

Ohh, what a great idea! just make sure you use a capacitor rated for 50v or more. the bigger the cap the longer you'll be able to 'beep'. Just don't hook it up backwards; they can explode if you do (nothing dramatic just a little pop). the side of the cap with the stripe is the negative terminal.