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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › Motor for chaos 600, scale flying?
10-16-2011 08:34 PM  7 years agoPost 1
eyefly3d

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magnolia tx

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What motor should I get? I'm going to stick with 6 cells and plan on using a castle ice 100. The mechs are going in an A-109 fuse. I'm new to large electrics and have no idea where to start. I may eventually put a 4 blade head on these mechs and would like to get the right setup for that but still fly it as a 2 blade for now, if possible.

I don't always fly helis, but when I do I prefer to fly scale.

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10-16-2011 10:12 PM  7 years agoPost 2
son nguyen

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san jose ca us

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you should get Scorpion with low KV around 1100KV with 11 teeth pinion motor gear to low head speed down for scale helicopters, scale helicopters they need torque, they don't need high speed.

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10-18-2011 12:44 AM  7 years agoPost 3
eyefly3d

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magnolia tx

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Would it be more beneficial to go with a lower kv to start with? If not, which scorpion and are there any lower cost alternatives?

I don't always fly helis, but when I do I prefer to fly scale.

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10-18-2011 02:43 AM  7 years agoPost 4
son nguyen

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san jose ca us

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brush less Scorpion HK 4025-1100KV , it costs around 160 dollars. if you feel to need more RPM just change the larger pinion gear. All my scale helicopters low head speed even my FAI F3C fuselages too , they all about 1400 RPM to 1700 RPM. I build so many scale helicopters through 20 years so trust me this time.

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10-18-2011 01:01 PM  7 years agoPost 5
rcmiket

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El Paso,Texas

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Are we taking scale multi head or the stock 2 blade fly bar head?
Mike

"When Inverted down is up and up is expensive"

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10-18-2011 02:49 PM  7 years agoPost 6
MadDogDan

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Loganville, GA

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I am in the middle of a UH-60 Blackhawk build with Chaos 600 mechanics. On Cliff's suggestion at RCA I purchased a Scorpion 4035 -560KV motor with the same ESC as you are using. Ultimately I will be going 12s on the batteries with 4 blade main and tail rotors. Since I am going to be test flying the pod and boom Chaos "before" I install the mechanics, Russ said 6s batts would work with this motor driving the stock 2 blade, fly bar head as long as I use the 16 tooth pinion that came with the Chaos. Then all I have to do is swap the 16 tooth pinion for a 12 tooth and swap out the 2 blade for a 4 blade.

I will let you know how it turns out in a few weeks.

MadDog

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10-18-2011 08:59 PM  7 years agoPost 7
cap231ex

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Muncie , Indiana , USA

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MadDogDan those numbers just don't add up ,the 560Kv motor is a 8s and 12s motor for a T-rex clone.
It (560Kv) running on a 12s pack with a 12t pinion at 90% TC will give you a headspeed of 1580rpm +/- 100rpm.
That same motor (560Kv) running on a 6s pack with a 16t pinion at 90% TC will only give you a headspeed of 1050rpm +/- 100rpm.
That same setup (as above) even at 100% TC will only produce a headspeed of 1170rpm +/- 100rpm.
It would take a 24t pinion with a 6s pack running at 90% TC to = 1580rpm +/- 100rpm , and I have not seen a T-600 pinion that large nor do I know if it would be possible to install it on the airframe (don't know if the motor nounting holes are elongated enough).
I think someone might have misinformed you on you pinion and pack cell numbers.

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10-18-2011 11:03 PM  7 years agoPost 8
eyefly3d

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magnolia tx

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Mike, I would eventually like to run a scale four blade head but for now I will stick with the stock flybarred 2 blades.

@ mad dog and cap, This is why I asked on here cause I have no idea where to start on an electric this size.

Please keep the ideas/suggestions coming. The mechs are due to arrive on thursday so I have plenty of time to get it figured out.

I don't always fly helis, but when I do I prefer to fly scale.

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10-19-2011 12:05 AM  7 years agoPost 9
MadDogDan

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Loganville, GA

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cap231ex:

All I know is what RCA told me to try. They may be wrong but they swear they run their 600 Blackhawk that way with great success. They said they set their pod & boom up with this motor pinion combo with a two blade flybar set up and switched to the 12 pinion when going to the four blade head with 12s battery setup.

What do I know (not much),
MadDog

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10-19-2011 12:41 AM  7 years agoPost 10
cap231ex

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Muncie , Indiana , USA

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I would do some research before you try it , just seems to me that at that HS the tail would not hold. I have delt with RCA many times but have always talked to Clif , he knows what he is talking about and he flies what he sells.

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10-19-2011 03:32 AM  7 years agoPost 11
Heli143

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Phenix City, Alabama

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I am also prepping a Trex600 for a blackhawk fuselage.
The blackhawk with four bladed head I saw had an (I think)800Kv motor on 10S and flew great.
I was thinking of following that combo idea. Does that sound right?

I am also just learning the electric heli stuff and appreciate every piece of learning I can get from the guys who know.

Thanks!!

Roy Mayoral

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10-20-2011 07:24 PM  7 years agoPost 12
cap231ex

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Muncie , Indiana , USA

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With that Kv motor on that number of cells should give you some adjustment on your HS using pinions that are available. I would do some research on other forums to find the answers to your questions as it seems the guys on this one aren't as helpful as they once were.

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10-20-2011 10:46 PM  7 years agoPost 13
Heli143

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Phenix City, Alabama

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Hi Cap231,
just want to make sure I am on the same track as you

You are referring to an 800Kv motor on 10S?

I agree that some of the more experienced guys don't seem to be posting like before, but I think the majority of guys on here try to help each other as much as possible.
you seem to know what you're talking about and can teach us beginners a lot so please hang in there with us...

Roy Mayoral

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10-20-2011 11:46 PM  7 years agoPost 14
cap231ex

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Muncie , Indiana , USA

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Yes I am referring to your 800Kv motor and 10s pack set-up, I beleave it will be great for a scale heli with 4-blade head . It will give you some flexibility with different pinions available.
Thanks for the kind words but beleave it or not I have only been into helis for a little over 3 years and most of what I know I have picked up on my own with little help from others. You could say I have learned from the school of hard knocks and landings.
I have found that on this forum there is a circle so to speak and it seems you are eather in the circle or you are outside the circle. Those who are on the outside of the circle you may get your question answered but very doubtful if you get much more then that. I have been in the hobby sence '74 ,mostly fixed wing, and I live 3 miles from the AMA HQ , I am always glad to help new comers to the hobby in any way I can. As I don't think we have enough and one day us old timers won't be around anymore and someone new must carry on.

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10-21-2011 03:29 AM  7 years agoPost 15
Heli143

rrElite Veteran

Phenix City, Alabama

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Thanks!
I will go with a Century 800Kv motor,85/100 ESC, 10S, and of course the four bladed head on my Blackhawk. I appreciate your advice.

I have actually been in RC Helis since 1983. A Army Huey pilot buddy taught me to fly RC Helis.
Twenty years of military service had me flying off and on and after all these years I still feel like a beginner
I know what you mean about the "cliques" and that is a shame it has to be that way. I have had my share of feeling on the outside.

But I will help anyone I can but always know when to say "I don't know". BUT I have buddies who do know and bend over backwards to help me and others, and of course there are guys like you on the forums who also don't hesitate to help others out.

Roy Mayoral

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10-21-2011 04:09 AM  7 years agoPost 16
cap231ex

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Muncie , Indiana , USA

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First thank you for your 20 years of service.
Second I am glad to help , in my opinion that is half of the hobby passing knowledge on to others.
Yes it is sad that there is "cliques" , my beleaf is that everyone deserves the right information and all information no matter who you are, where you live , what you are ,or your join date.

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10-21-2011 02:53 PM  7 years agoPost 17
capesandblaster

rrApprentice

Truro, MA

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I'm flying my RCA seahawk with a hyperion 4035 560kv motor and 4 blade head and rotortech 600 scale blades on 12s batteries. I've run my headspeed as high as 1500, and as low as 1350. with normal cord blades, 1400 was the sweetspot, with the narrow cord rotortechs, 1450 seems to be good. Running a 12t revco pinion and a kde 164t main. It puts the govenor at around 90% at 1450.
Adam

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10-21-2011 07:29 PM  7 years agoPost 18
tigertym

rrNovice

Cleveland , Alabama-USA

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Hey capes what kind of flight times are you getting with your setup ?

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10-22-2011 03:04 PM  7 years agoPost 19
capesandblaster

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Truro, MA

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I set my transmitter timer for 10 minutes and haven't had a problem yet. Drawing in the low to mid 20's amp range with scale flying.
Adam

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10-22-2011 03:08 PM  7 years agoPost 20
capesandblaster

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Truro, MA

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Running 2 x 5000 mah 6s batteries, i keep meaning to document what i'm putting back into them, but it's a little over 3000 mah.

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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › Motor for chaos 600, scale flying?
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