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Mikado Logo Helicopters Mikado Logo Helicopters Discussion |
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01-11-2015, 01:44 PM | #1 (permalink) |
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Join Date: Feb 2012
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Most extreme motor for the 550sx.
Hi all, looking for the most extreme 550sx motor. Ive had scorpion 4025-1100 before and am currently using kde 600-1100 using jive running 2200 headspeed on 15 tooth.
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01-11-2015, 03:22 PM | #2 (permalink) |
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I don't know what you are looking for but in the 4025 series you could go with the 4025-550 and convert to 12S. That would get you more power.
Staying with 6S there is the Pyro 650-103 EDIT: Just read the spec on the KDE motor and I would have to say that is probably your best bet. Wow that is a very powerful motor. I wonder what it does for flight time if you get near the 112A continuous rating? |
01-11-2015, 03:34 PM | #3 (permalink) | |
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Quote:
How would you describe the performance of your 600XF setup? This should be a monster power motor in the 550SX if your packs and ESC are up to the challenge.
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Jay - Diligentia, Vis, Celeritas
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01-11-2015, 05:30 PM | #4 (permalink) | |
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Has anyone tried the G3 version of this same kde motor? |
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01-11-2015, 05:51 PM | #5 (permalink) |
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I've got a couple of G3 700XF's (455 and 505kv) and they log a good deal more power than my 700XF-495-G2. Great flight times if I am easy on the collective and they still run reasonably cool. I like the KDE motors a lot.
I'm going to be building a 550SX soon and am back and forth between the Pyro650-103 and the 600XF-1100-G3. I know both are great motors, but I'm looking for stupid power too Have you tried upping your collective to +-13 or 13.5? How is the Jive 100 working for you with the KDE? I saw in another post that you have had some pretty bad luck with CC ESC's. In this heli?
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Jay - Diligentia, Vis, Celeritas
Lynx / OXY Team Pilot, Zeal Team Pilot |
01-11-2015, 06:14 PM | #6 (permalink) | |
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Quote:
Also, make sure you get the right motor shaft for the pinion. Unkess they do now, mikado does not make 6mm pinion for .7 mod main gear like they uses. Luckily i still have my 6mm 15 tooth pinion from the past!! |
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01-11-2015, 06:49 PM | #7 (permalink) |
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taoY is a friend - he also runs the KDE 600XF on his 550sx and likes it a lot: https://www.helifreak.com/showthread.php?t=614212.
KDE G3 series should (in theory) run ok with your Jive not in KSA mode. You'll get more power out of it without KSA if it works.
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01-11-2015, 07:24 PM | #8 (permalink) |
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Just FYI, KDE now sells the 600XF-1100 G3 with a 5mm output shaft the correct length for a drop-in replacement for the Logo550sx/se. I have one on the way now!
KevinB |
01-11-2015, 09:08 PM | #9 (permalink) | |
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I was also looking at the Pyro but not sure how much more power it can deliver above the KDE for extreme $$$ more. |
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01-11-2015, 11:29 PM | #10 (permalink) | |
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Also the Pyro will work better with the Jive, just because they're designed to work together. Similarly, KDE worked directly with Castle to make sure that motor+esc combo is ultra-compatible. If you're more interested in total power than power-to-weight, I'd go with the KDE.
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01-12-2015, 04:08 AM | #11 (permalink) |
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Oxy2 210 | Oxy3 285 | Oxy4 380 | Logo 480XX | 600SX | 650SX | 690SX | 700 | 700XX | VControl |
01-12-2015, 02:27 PM | #12 (permalink) |
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And do you fly it like Nico? He's ok.
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01-12-2015, 02:51 PM | #13 (permalink) |
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I don't have a Banshee. I was just showing that if a Pyro 650 is good enough for a 700 it makes light duty in a 550SX, even if it weighs only 275g. KDE 600F is a 425g motor. My 550SX weighs about 3150g with the Pyro and 2 x 6s 2700mAh Revolectrix. Personally I wouldn;t want it any heavier but each to their own.
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Oxy2 210 | Oxy3 285 | Oxy4 380 | Logo 480XX | 600SX | 650SX | 690SX | 700 | 700XX | VControl |
01-12-2015, 02:57 PM | #14 (permalink) |
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The extra weight of the motor is nothing compared to that extra 6S pack. The KDE 600xf is 1100Kv and limited to 8S max voltage, so the intent would be to run it on 6S I'm sure.
12S in a 550 is fine if that's the way you want to go, but the reason I like that size is because it's on the limit of how big you can go with 6S. Which, IMO, makes it the ideal size for a practice heli (feels "big" in the air but gives twice as many flights per pack.) Not a knock on your setup. I'm sure it's killer on 12S, that just isn't what a lot of people want out of their 550s. You could go with the Pyro 650-103, which gets into the same Kv range and the comp line probably has similar power/torque. So then it's just a question of whether it's worth the extra cash.
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01-12-2015, 03:09 PM | #15 (permalink) |
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Oh I see you mean the 1100KV motor. I thought you meant the 530KV one. Yes I can appreciate a lot of people prefer to have a single pack for convenience, but the OP said "looking for the most extreme 550sx motor".
2 x 6s 2700 will weigh slightly more than 1 x 5200mAh, but not 150g more between the Pyro 650 and the 600xf. Also the OP said he had a Jive. My friend and I were shutting down our Jive 100LV's on a regular basis in our Logo 500's, which is why we both went to 12s. He went from the 4025-1100 to the 4025-550 and it was a night and day difference. I went the Pyro 650 route and was equally pleased.
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Oxy2 210 | Oxy3 285 | Oxy4 380 | Logo 480XX | 600SX | 650SX | 690SX | 700 | 700XX | VControl |
01-12-2015, 03:15 PM | #16 (permalink) |
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That's a good point. If you're optimizing first for most extreme motor, then a higher voltage, lower Kv setup is the way to go.
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01-12-2015, 11:27 PM | #17 (permalink) |
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Wow, already using the KDE 600XF and hungry for more power! The next step up would be 12S setup. You can go 8S but the increase will not be as significant as 12S. I converted my Terex 550 to 12S and the power was insane. Impossible to bog and collective management was not needed. It was FUN!
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HD750, TDR II, TDR, Logo 700, Logo 700 XXtreme, Logo 550SX V2 |
01-13-2015, 01:11 AM | #19 (permalink) |
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I'm putting one together now with a Pyro 700 450kv motor. will run on 12s 2700. I don't think it will bog. Ill let you know how it goes. It might take time until maiden due to winter storms in my area.
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01-13-2015, 03:36 AM | #20 (permalink) |
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I did some 6s motor testing in an e5 a little while back. It is heavy for a 550 heli and really helps show differences in power systems. I don't have the latest and greatest or most expensive motors but I do have a few popular ones that people run.
I swapped motors with no other changes to the heli. I also ran the same gearing and headspeeds. I have a Scorpion HK 4025-1100, HKiii 4025-1100, KDE 1175, Z-power a50, Hacker turbine 10l and Hacker A50 v3. Unfortunately I don't own the latest KDE, xNova or Pyros to try. Out of the motors I have, the Hacker v3 was the most powerful and easy to feel that difference in flight over the other motors. It pulled as many watts as the same heli on 12s with a Scorpion HKiii 4025-550. Unfortunately the performance from the Hacker came at a price. My lipos and ESC ran the hottest with this motor as well as giving the shortest flight times. With a 5000mah pack, I had to reduce my flight times to 3 mins (compared to ~4 mins with the other motors). The power was great but the extra abuse to your lipos/electronics has to be considered too. Just something to consider when going after the most power without regards to anything else.
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