06-01-2014, 05:01 PM | #561 |
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An Arduino might be overkill, but I'll be damned if I couldn't replicate the software functions provided by the ECU using one of those damn things.
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06-01-2014, 11:39 PM | #562 |
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@neutron256 ... got some good info on the Seadoo supercharger ....
the drive ratio is 1:5 ... max engine rpm = 7750 i.e. max supercharger rpm is 39k rpm. Now at that rpm it is giving enough air to make 185hp (crank or wheel/propeller I am not sure). http://members.iinet.net.au/~pauldaw...-SC_SF-low.pdf Its 1.5L engine. Do you think at about 30k rpm you will be able to flow enough air to make any hp over stock ? Anyhow ... once thing is very likey ... if the motor spins it to 35k rpm , we should have 5psi of boost |
06-01-2014, 11:54 PM | #563 | |
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I have no dubt that with the right brushless motor this will make some decent power, it's just a question of how much.
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06-02-2014, 12:07 AM | #564 | |
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Also, I see that the 215hp version comes with an intercooler ... I would love to find out that we need an intercooler .. and then not use it by de-tuning it a bit .. I have my eyes on a couple of these blowers on ebay ... will pull the trigger as soon as you get some good results ... Thanks for testing it for the rest of us. |
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06-02-2014, 08:08 AM | #565 | |
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When it's on it's intended engine if it's making an additional 30hp output. It's actually making 40hp at a loss of 10 hp. The quick number which I'm sure is far from accurate would be that we could generate 4hp for every 1hp our motor can put in. The KDE motor I'm looking at can do 3.72hp (3050 watts -9% efficiency loss) continuously. If we use the 1:4 calculation we'd be getting about 15hp. It raises to more like 26hp if you use the peak power rating of 5500 watts. Of course the math isn't even close to that simple I'm sure, but it might give us some ballpark numbers. Edit: An additional 15hp doesn't seem that impressive but when combined with my other mods it will probably get me the sort of power I'm looking for.
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06-02-2014, 01:07 PM | #566 | |||
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http://www.atbatt.com/odyssey-pc925t...ry.asp#related Its 27Ah, with a 900A Hot crank surge... So even if you run the motor at full blast for 1/16th of an hour (3.75 min), you should be able to push out way over 300A (432A). Realistically speaking you probably wont be able to sustain 432A for 3.75 minutes - but pushing the motor at full blast for a minute or two doesn't seem out of the question... Is this feasible? |
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06-02-2014, 01:17 PM | #567 | |
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06-02-2014, 01:23 PM | #568 | |
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Math seems right but I still doubt the Odyssey can supply that kind of amperage. Specially if we are going to pay that kind of $$ for the batteries, might as well get Li-Iron-Phosphate. Those can give a lot higher current than AGM, long life , way more compact, can discharge 80% w/o damage, will hold higher voltage even when discharged over 50%, a lot less internal resistance ... seems like they are custom made for this setup .. http://shoraipower.com/battery-specifications The gains demonstrated by the Phantom setup are more than enough for me to pull the gun on ESC. But once I see the that there are so many apparent and glowing places where enhancements could have been made, I feel like a much better job can be done with a little effort. I would be happy to get similar psi numbers to Phantom .. may be a little more up-to ... 3~4 psi ... but it will be tough. |
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06-02-2014, 01:25 PM | #569 | |
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06-02-2014, 01:48 PM | #570 | |
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06-02-2014, 03:06 PM | #571 | |
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http://www.bigbadpowersports.com/sho...vbN6cR7yjw_wcB Its very compact @ 5.51 X 5.83 X 3.23 inches and 2lbs. We can have 4 of them together in a 6 X 5.5 X 13 inch . This is only 5 inches high. MinnKota Charger can be stacked on top. Now that is a compact power storage and delivery system. |
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06-02-2014, 04:15 PM | #572 | |
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06-02-2014, 04:20 PM | #573 | |
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I wish I had 1500 lying around to get my hands on one of these eCycle ESC's so I could start testing it out... |
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06-02-2014, 11:45 PM | #574 |
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Okay .. found a more compact 3 bank charger ....
http://www.chargingchargers.com/char...l-pro/px3.html Current is 12A/12A/12A .. Pretty much the same features as the MinnKota ... thie one is water proof , only 4 lbs and dimension are 4 X 6 x 5.5 inches. The MinnKota looks a lot better but at 14.5 inches long will be hard to fit that under the hood. Edit: nevermind the 3 bank is discontinued , 2 bank is is till available. Last edited by AN; 06-02-2014 at 11:55 PM. |
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hairdyerperformance, only pulls hard one gear |
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