Quote:
Originally Posted by rusty959
I'm planning my setup for 10psi at redline. Ill be posting some more about this soon, been having the gf do some cad drawings for me. Not 100% it will work in practice, especially reliably/without a ton of maintenance, but it only money. lol.
A charging system off a wheel is probably too much added complexity. You not only have to deal with setting it up/controlling, but if you are using it to charge any time but under braking you might as well just draw power off the alternator since it would probably be more efficient. Yes it would be cool, but its more of an oem thing than hobby like we are doing. Don't let me discourage you if you want to try it though.
Capacitor banks are definitely a viable option. Ultra capacitors are getting pretty nifty. Neutron was planning on using some at one time and even bought some but isn't using them for now. I have considered it, and still may, but its more added cost. I'm already looking at $1k+ for just the motor/controller setup I want. Maybe I should try to get neutron to sell me his and add to it, lol.
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Wow 10psi at redline?! That is ambitious but it will be interesting to see how close you can get to that. I'm hoping for maybe 1psi at redline, and higher at lower RPMs.
I still might use the ultracapacitors since they are much more practical at 12V. A bank of six 3000F caps charged to 14V and then discharged at 120amps will only last about 8 seconds before they reach 12V.
Right now I'm looking at diode or switching style battery isolators for better charging of different sized batteries. This would be in addition to a relay to isolate the secondary battery in full boost situations.
[ame="http://www.youtube.com/watch?v=CGD8HAeg5UA"]Battery Isolators - Types & How to Install | Car Audio 101 - YouTube[/ame]