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NextD - Rave 450 and 90 CJY Rave 450 and 90 Helicopter Kit - ND-YR-K001 |
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09-27-2011, 03:49 AM | #1 (permalink) |
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Join Date: Sep 2006
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Motor for sport flying style 560kV vs 530kV
Hi
I've just purchased a RAVE ENV Electric FBL and I'm trying to decide on the best motor for me. My flying style is sport with fast circuits, rolls and loops, and I'd rather have flight time than extra power. The obvious choice is the Scorpion 4035-560 as CYE have this version available with their Next D logo on, and from a search in a few heli forums I see most of you are happy with this motor. Today Scorpion make a 4035-530, this is new-ish and I guess wasn't available when most of you first built your RAVE. The numbers: (thx Mr Mel) 560kV 12t pinion 85% gov (jive mode 4) 25C batts gives 2171 headspeed 530kV 12t pinion 85% gov (jive mode 4) 25C batts gives 2054 headspeed I don't know my target headspeed with this heli for my style of flying, so if anyone can help please advise. Can the RAVE tolerate lower headspeeds say 1900, 1800? I couldn't find 11t pinion in 6mm locally so thats not an option. I like the 530kV as the max continuous current is 80Amps compared to 100Amps for the 560kV. Obviously less power at 3400W vs 4200W for the 560kV This gives me more confidence in a Kontronik 80HV+ Jive with heatsink over the 120HV, and saves me £100. What pinions are you using, I see RevCo Mod1 available at Fastlad Performance? So 560kV or 530kV for sport flying and max flight time? Thx Steve
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Rave ENV E, Heli Jive, Vbar 5.2, 4035-560, BLS451, BLS251, Radix Logo 500, Mini VBar 5.2, Jive100LV, 4025-1100, BLS451, BLS251, Edge |
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09-27-2011, 02:27 PM | #2 (permalink) |
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Join Date: May 2006
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It sounds like you and I have about the same flying style. I went with the Scorpion HKIII 4035-560.
The CYE branded 560 motor is an older version than the HKIII. The HKIII is supposed to be a little more efficient than the older version. I'm currently using a Scorpion 11 tooth pinion and have a 12 tooth that I have not tried yet. I had some problems finding an 11 tooth as well, this is why I went with the Scorpion pinions. I'm V-bar FBL and using their governor with a Hyperion phase sensor. Flying around at 1900 for 7 minutes is no problem. The most I have put back in my packs is 3900 mAh. Cranking it down to 1700 gives me another minute of time. 2150 on the head is still good for up to 6 minutes. 2150 probably needs a 12 tooth pinion in order to give the governor enough throttle head room.
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Don't come off the throttles untill you see your God!!! |
09-27-2011, 05:18 PM | #3 (permalink) |
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id run 4525 520KV LE scorpion motor
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09-27-2011, 05:20 PM | #4 (permalink) |
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Join Date: Nov 2010
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and run hs of like 1950 about what Nick told me he runs dont remember the exact number
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09-28-2011, 03:03 AM | #5 (permalink) |
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BlakeMcBrayer
Thx for your reply. 7 minutes at 1900 sounds like a great place to start, setup wise. Agree the newer HK3 is probably the wiser buy. I've found Scorpion pinions even an 11t (6mm) locally so thx for that suggestion too. Steve
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Rave ENV E, Heli Jive, Vbar 5.2, 4035-560, BLS451, BLS251, Radix Logo 500, Mini VBar 5.2, Jive100LV, 4025-1100, BLS451, BLS251, Edge |
09-28-2011, 03:35 AM | #6 (permalink) |
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helienv
Thx for your replay In the UK the Scorpion HK3 4035-560 is £180 (4200W at 100Amps) The 4525-520 LE is £275 (4450W at 100Amps) I think its assumed that the 4525-520 is a power-house for those who need the extra torque for a bog free flight during hard 3D, I'm not flying like this....yet. But with that said can the 4525-520 motor run more effciently and give longer flight times than a 4035-560 in a sport setup (headspeed 1800 > 1900) If money was no object I would love to try both. Steve
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Rave ENV E, Heli Jive, Vbar 5.2, 4035-560, BLS451, BLS251, Radix Logo 500, Mini VBar 5.2, Jive100LV, 4025-1100, BLS451, BLS251, Edge |
09-28-2011, 02:06 PM | #7 (permalink) |
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Hi Steve,
I'm running the Scorpion 4525-520 LE motor with a 13T pinion and I'm seeing around 20 amps during hover (1950 rpm) and 45-65 amps during most aerobatics (2050 rpm), and during hard 3D, I somtimes I hit around 135 amps for very short periods. With that being said, head speed does make a difference in flight time but bogging the headspeed can jump up the amps in a hurry. I believe you would be happy with the 4525-520 motor and when you want the extra power for hard stuff you'll have it.... Don C |
09-28-2011, 02:28 PM | #8 (permalink) |
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I've been using the 530Kv version in my Rave ENV for a few months now with the 13 tooth helical pinion and its simply awesome with very acceptable flight times too. I use a Scorpion 130Amp Commander ESC and this is flawless..
I'm a very happy bunny Garry
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09-28-2011, 07:34 PM | #9 (permalink) |
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its supposed to be more efficient " exceed 89% efficiency." why i replied, i dont run a ridiculous headspeed for super hard 3d i usually run like 1900-1950 works awesome and then for more sport flying i run like 17-1800 for long flights i think i could get like 8 min flights in low
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09-29-2011, 07:59 AM | #10 (permalink) |
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Guys
Thx for your advice its much appreciated. The Scorpion 4525-520 LE sounds fantastic, but at £100 more than a 4035-560 plus I need 30mm mount (another £40) its expensive. I don't feel the extra performance/effciently over the 4035-560 is good value...not at my level anyway. I've since found a CYE 4035-560 at a great price and now I'm happy to try this motor. Besides I'm sure CYE did their reserch before slapping their name on the can and a many here and in other heli forums are happy with this motor. I've been also reserching ESC's and I'm going with the Kontonik Heli Jive 120+HV. Ok that's expensive too, but I feel happer paying extra for this part even more so now I've saved money on the motor. Again thanks for your help. Steve
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Rave ENV E, Heli Jive, Vbar 5.2, 4035-560, BLS451, BLS251, Radix Logo 500, Mini VBar 5.2, Jive100LV, 4025-1100, BLS451, BLS251, Edge |
09-30-2011, 10:11 AM | #11 (permalink) |
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Join Date: May 2006
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STETNEY,
The CYE 4035-560 is a good motor. Keep in mind that it is a re branded Scorpion 4035-560. However, it is not a HKIII. It is the first version of the Scorpion. The HKIII's are a little more efficient, have better cooling and both 25mm and 30mm spced mounting holes. Don't get me wrong, I'm not knocking the CYE version, I'm just saying it's a little older design. I looked at it real close myself and really liked the price. Another one to look at is the Hyperion 4035-560. As I understand it, It's also a re branded Scorpion or made by the same folks that make Scorpion motors. It has the same specs as the CYE motor and 25mm spacing only. I have also been told that Hyperion specs an even better bearing set than Scorpion, but i don't know that for a fact. I might have jumped on the Hyperion myself, but my kit came with an 30mm motor mount.
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Don't come off the throttles untill you see your God!!! |
03-20-2012, 02:26 PM | #12 (permalink) |
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Join Date: May 2010
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hkIII 4035-530
I ran a 560 with 12 teeth for about a year with a castle 120 and I have always been concerned about the heat I was getting, no matter what my controller settings are, it just seemed a lil on the warm side. Heating and cooling over and over again will weaken the resin and cause a magnet to bust loose and as a result, trigger a very big fire. I'm terrified of that!! My motor is the old version as well. I decided to go with the new HKIII 4035-530 in hopes I will get nice cool motor temps thus relieving me of my paranoia. I'm gonna try a 15 tooth to start cause castle seems to recommend 15 to 17T for the 560, and lower KV means bigger pinion, right? I have a 12 T in case its a fail, but we will see.If anyone actually/really knows the best setup for a 530 i would love to hear it. Anyways i'm just saying, if your a good sport flyer who dabbles in 3D, its plenty of motor. I know hard core 3D guys who have no complaints. The 4525 looks super badass, but price and availability was enough to to make my decision. I would love to hear actual 530 setups for a nice cool and powerful ride. FYI, CY is currently manufacturing and will soon release a new NextD branded scorpion and they will be using the 4525-520! Pretty cool, but who knows when and I want my new motor NOW!!!
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03-21-2012, 08:01 AM | #13 (permalink) |
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To temp issues here
Hi brokenheli98
I've been running the 560 from CYE (12t pinion) since October last year. (6 min flights) The motor gets a warm, but nothing more. My blades are 690mm so that helps, and it doesn't get silly hot here in the UK. Steve
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Rave ENV E, Heli Jive, Vbar 5.2, 4035-560, BLS451, BLS251, Radix Logo 500, Mini VBar 5.2, Jive100LV, 4025-1100, BLS451, BLS251, Edge |
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