heres a gsxr 600 alternator. looks like it could work depending on output.
gpx750
just do a google image search or try ebay
cheers
kev
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| Possible to use Bike Alternator? https://www.ausmini.com/forums/viewtopic.php?f=23&t=28607 |
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| Author: | miniboy1962 [ Tue Feb 27, 2007 6:50 pm ] |
| Post subject: | Possible to use Bike Alternator? |
Just wondering whether its possible to hook up a bike alternator to my G13B. Mount it on and use the air conditioning pulley as it rotates. Anyone thought of doing this before or am i nuts to even think about it? |
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| Author: | minimetoy [ Tue Feb 27, 2007 7:06 pm ] |
| Post subject: | |
Thought about it but motorbikes have an in-built alternator (inside the crankcase). Dan |
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| Author: | awdmoke [ Tue Feb 27, 2007 7:19 pm ] |
| Post subject: | |
aren't most bikes 6 volt system? |
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| Author: | Blokeinamoke [ Tue Feb 27, 2007 7:26 pm ] |
| Post subject: | |
awdmoke wrote: aren't most bikes 6 volt system?
some the newer big bikes are moving to 12 v but the alternator output is tiny. Mainly because there is nothing to power. |
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| Author: | HPDesign [ Wed Feb 28, 2007 12:13 am ] |
| Post subject: | |
yeah, not a really great idea. bikes don't charge till about 5 grand and to top it off the output wouldn't power a car. and yes all the bike alternators I have seen are mounted in the block on the end of a crankshaft. Possibly as a sugestion if your looking for a small alternator try a importer or a wrecker a small toyota or daihatsu or maybe a suzuki would be the manufacturers with small alternators spring to mind. but you still want a decent output if you plan on running much in the way of electrics. |
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| Author: | blumin [ Wed Feb 28, 2007 9:41 pm ] |
| Post subject: | Alternater |
The smallest conventional alternater you will find is off a Kuboto tractor (I've seen them used on Vincent motorcycles) but extreamly hard to get What is wrong with the Suzi alternater? If you want to see how to mount it I'll send you some picies Blue |
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| Author: | miniboy1962 [ Thu Mar 01, 2007 9:23 am ] |
| Post subject: | |
I've been looking around and found this Compu-Fire 3 Phase 40 Amp Charging System. http://www.compufire.com/pages/harley-main.html Charges 25 Amps at Idle and 40 at 2800rpm. I've emailed Compu-Fire but dont know if i'll even get a response. What does a harley rev out to? 7 Grand? Would it be just a matter of making the stator spin and mounting the outer cover to the engine somewhere. I was thinking of making a custom cam gear cover anyway and just mount it to it and mount the stator onto the outside pulley. The reason i'm looking into this is because of my frame design, i've built the frame and forgot to take into account the alternator and belt. I can reverse the intake manifold and put the alternator up there, or i can try this. |
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| Author: | Timbo [ Thu Mar 01, 2007 12:37 pm ] |
| Post subject: | |
Some of the Kawasaki bikes (like ZX1000) have a separate alternator, much like a car one only smaller. A modern 1000cc bike has nearly as much electrical load as a car so the alternator may have enough grunt to do the job. The guys here at work used them to made up some little field portable gensets for powering laptops etc, in the Antarctic. Tim |
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| Author: | Anto [ Thu Mar 01, 2007 5:44 pm ] |
| Post subject: | |
A lot of BMWs run a seperate alternator, dunno how easy they would be to use. A K series alternator is over 400 watts I think, the latest K1200GT has almost 1000 watts. They would be expensive and hard to get I should imagine. The last 6 volt motorbike I saw was a Holda Supercub. Most are 12 volt and still require a bit of power since they often have two headlights like a car, and they are often always on. Generally no stereos to worry about tho! |
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| Author: | swiftmini [ Thu Mar 01, 2007 5:55 pm ] |
| Post subject: | |
heres a gsxr 600 alternator. looks like it could work depending on output.
gpx750
just do a google image search or try ebay cheers kev |
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| Author: | swiftmini [ Fri Mar 02, 2007 3:21 am ] |
| Post subject: | |
Here is a quick run down on an Electrical System fitted to a GSXR Technical Specifications for the Suzuki GSX-R Electrical System Battery Capacity: 12V, 8Ah Electrolyte Specific Gravity: 1.320 at 20oC Current Leakage: 1 mA (max) Alternator Stator Coil Resistance GSX-R600 and GSX-R750T & V Models: approx. 0.3ohms GSX-R750W & X Models: 0.24 to 0.36 ohms Alternator Output (max) GSX-R600 and GSX-R750T & V Models: approx. 378W @ 5000rpm GSX-R750W & X Models: aprox. 406W @ 5000rpm Unregulated Voltage Output (no-load) GSX-R600 and GSX-R750T & V Models: min. 55V (ac) @ 5000rpm GSX-R750W & X Models: min. 70V (ac) @ 5000rpm Regulated Voltage Output: 13.5 to 15.0V @ 5000rpm Starter Motor Brush Length (min): Not available Starter Relay Resistance: 3.0 to 5.0 ohms Fuses Main: 30A Headlight (High Beam): 15A Headight (Low Beam): 15A Turn Signal: 15A Ignition: 10A Tail Light (except GSX-R750W & X): 10A Fuel System (GSX-R750W & X): 10A Bulbs Headlight GSX-R600 and GSX-R750T & V): 55/50W H4 Halogen x 2 GSX-R750W & X: 60/55W Halogen H4 x 2 Sidelight (UK Only): 5.0W Brake/Tail Light: 21/5W x 2 Turn Signal Light: 1.7W Neutral Indicator Light: 1.7W High Beam Indicator Light: 1.7W Fuel Warning Light: 1.7W Not sure if anyone has guessed but iam quite keen to use a bike alt, its something i have been looking into for a while. The GPX750 is belt driven also. Cheers |
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| Author: | simon k [ Thu Mar 08, 2007 8:48 am ] |
| Post subject: | |
very interesting 
that gpx750 one looks like it has a very small pulley on it also, and given the size of our crank pulleys (significantly larger than the average bike I'm guessing) the 5000rpm output might come down to 2.5 or 3000 - might |
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