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Other › Brushless motor question?
11-21-2006 08:42 PM  11 years agoPost 1
BLADE CP GUY

rrApprentice

Houston, Texas- USA

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HI guys...I really want to go Brushless...but I cant seem to afford it yet.. I know that you have to use a 370 inrunner brushless motor and at least 20 amph brushless controller...and my question is Can I use an OUTRUNNER BRUSHLESS MOTOR and a 10 amph motor for my blade cp....? JUSt asking and wondering if I could use it coz my friend is selling an outrunner motor and his brushless controler for $30 and I think its really cheap...

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11-21-2006 08:57 PM  11 years agoPost 2
vic20owner

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St. Pete, FL

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I am not familiar with that motor, but I am running a 10 amp speed controller with a 3600kv motor:

http://www.heli-fever.com/product_i...products_id=369

helicopter pilots beat the air into submission

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11-21-2006 09:06 PM  11 years agoPost 3
BLADE CP GUY

rrApprentice

Houston, Texas- USA

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11-21-2006 09:58 PM  11 years agoPost 4
Funky Trex

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Westerville, OH - USA

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I don't think you can use that motor in a Blade.... Since the motor can spins, I don't think there is a way to mount it in the Blade. If you buy it with the speed controller and want to sell the motor, let me know That is the same motor I want for an airplane I am building (first fixed wing).

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11-21-2006 10:04 PM  11 years agoPost 5
rickvtown

rrNovice

veseli mn usa

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I have a outrunner 370 motor on my cp with a sonic speed control from helidirect with a 9t pinion. The outrunner mounts right in the same holes as the stock motor

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11-21-2006 10:21 PM  11 years agoPost 6
Funky Trex

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Westerville, OH - USA

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Rickvtown, I don't understand. This might be a dumb question, but how do you mount that motor the same way as the stock motor? Aren't those motors mounted from the rear of the motor (opposite end of output shaft)? The whole motor can spins with the shaft except the rear part of the motor.... doesn't it? I have no experience with these outrunner 370 motors besides looking at one in the hobby shop for a foamie I am building. Also, isn't 1360 kv really low for a heli... I am running the 4100kv 370 inrunner.

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11-21-2006 10:47 PM  11 years agoPost 7
bpd282

rrApprentice

littleton, co u.s.a.

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Funky TREX,

I have the 3800 KV from helidirect and it runs great with the 9t pinion. It mounts just like the stock motor. The bottom part of the motor is anchored and the top part spins around. It is barely warm to the touch after flight.

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11-21-2006 10:58 PM  11 years agoPost 8
Funky Trex

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Westerville, OH - USA

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I understand how the outrunner motors from helidirect work. I think the E-Flite outrunner 370s are slightly different though. When the motor is powered up, everything spins except the very back plate of the motor where the wires come out and the motor mounts. At least this is my understanding of these motors. I could be wrong though, am I missing something obvious here? Sorry if this is a stupid question, I just don't have any experience with outrunners.

I am referring to this motor that Blade CP Guy linked
http://www.aeromicro.com/Catalog/e-...tor_3964409.htm

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11-21-2006 11:19 PM  11 years agoPost 9
perseverance8

rrNovice

Ponca City, Oklahoma

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I have been running the 3800Kv outrunner that helidirect sells I use their sonix 18A ESC and it is great you can get both for about $55 also if you have the base blade cp you can purchase their package which comes with motor, controller, & a 4in1 adapter that works very well and that package is less than $80 and has worked great for me it is also the ESC & motor I run on my HDX300.

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11-22-2006 12:00 AM  11 years agoPost 10
vic20owner

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St. Pete, FL

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Dont bother with that motor... for an extra 20 bucks you can get the right combo and be worry free. You can get a motor and speed control for around $50 total.

helicopter pilots beat the air into submission

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11-22-2006 12:32 AM  11 years agoPost 11
BLADE CP GUY

rrApprentice

Houston, Texas- USA

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Thanks for the REPS guys!!
Now I want any picture or at least a Guide how to install it I just dont get how it works, and how to install it...and can you guys tell me what would be the best combo for and outrunner motor for blade cp...?

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11-22-2006 12:51 AM  11 years agoPost 12
Gino CP

rrKey Veteran

Philippines

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Y-harness to power both 4-in-1/rx + 3-in-1 and esc from battery. Y-harness to feed rx main motor signal (ch3) to both 3-in-1 and esc. But do not connect red lead of the 3-cable wire from esc. This prevents esc BEC from supplying voltage that the 3-in-1 is providing already. This assumes you are using the 3-in-1 to control the tail.

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11-22-2006 01:55 AM  11 years agoPost 13
Micro-Maniac

rrElite Veteran

Pasco,Washington Formerly: Captain Chaos

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Outrunners are built a few different ways that make them usable and not usable with different aircraft -

Some have the shaft out the can end and mount outside a firewall and will only work in direct drive form for planes only -

Some have the shaft out the base and will work for helis or mounted inside a firewall or gear housing for planes -

Some have the shaft out the base end to use with helis or mount inside firewalls or gear housings for planes and have prop adaptors that attach to the can to mount on outside of firewalls as direct drive for planes.

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11-22-2006 03:49 AM  11 years agoPost 14
tvr_vixen_2500

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Chicago IL USA

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Have an outrunner and like it. There seem to be more than one type tho. I think the biggest problem is keeping all the wires and other things clear of the rotating can.

This is what my install looks like. Yep lots of wires I am not really big on trimming servo leads but you can see by how close the Z bend was to the can before I moved the servo a tad

Any landing you can walk away from is a good one!

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11-24-2006 06:27 AM  11 years agoPost 15
BLADE CP GUY

rrApprentice

Houston, Texas- USA

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Hey Guys!!!
I am GOing BRushless but I not so sure about what other parts I need to make the Brushless system work fro a regular Cp.....Can you use only the 4-1 controller with a separate brushless controller? Is that all you need with a brushless 370 motor and pinion, and a brushless controller? I cant seem to understand it..some people say I have to buy another 3-1 unit or 2-1? Now if I have to buy the 3-1 controller is that All I need? A NEw 3-1 controller, brushless motor, and a speed controller? Please guys help me!!! Any picture could help and and URL of all the things I need to have A brushless system.. Thank you!!!

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11-24-2006 06:59 AM  11 years agoPost 16
Lardfly

rrApprentice

Mapleton, Ia

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With the 4in1 you will need an adapter board to convert the motor output at the 4in1 back into a servo signal. It is basically a signal conditioner that hooks inline with the BL ESC. Heli Direct sells them seperately or as a entire brushless conversion set with BL motor,BL ESC and the adapter board, specifically packaged up to mod a BCP using the 4in1. If you have a computer xmtr, on the other hand though, you can slave an unused 4in1 channel making the adapter board unnecessary. Clear as mud? (If you are feeling particularly adventurous, you could hack into the 4in1 and tap off the motor servo signal before it gets to the 4in1 esc too)

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11-24-2006 07:35 AM  11 years agoPost 17
bpd282

rrApprentice

littleton, co u.s.a.

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I used the brushless converter with my 4-and-1 from helidirect. You take an old main motor wire and solder the negative wire to the coverter wire. I snipped the power wire and used heatshrik to avoid a short (as seen in the picture). Just plug the motor wire back into the 4-and-1 just as before.

The esc will plug into the other part of the converter (three gold colored plugs). The polarity is marked on the back side of coverter. The last thing you need is a "Y" harness for the power and it works like a charm. I could not get the esc into programming mode using this set up. The esc worked fine with the factory settings (Sonix 18A).

I used this because I did not feel comfortable opening up the 4-and-1 and possibly mucking it up. Hell, I don't even use the converter any more because I have a CP Pro. I mounted the converter on the back of the rear servos. I just took a pic near the 4-and-1 to show it.

Hope this helps.

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11-24-2006 01:10 PM  11 years agoPost 18
vic20owner

rrApprentice

St. Pete, FL

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I hacked my 4in1 and soldered the brushless speed control wires directly to channel 3 on the board. I didn't know about slaving channels. Wish I had, I'd have done it that way instead, but hacking it is nice too... everything is compact.

helicopter pilots beat the air into submission

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11-24-2006 03:08 PM  11 years agoPost 19
Lardfly

rrApprentice

Mapleton, Ia

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More pictures! Lots more pictures, everyone! Let's take the mystery out of this conversion for anyone thinking about or actually doing this upgrade.

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11-26-2006 02:11 AM  11 years agoPost 20
pschurter

rrApprentice

La Serena - Chile

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I soldered the wires into the 4-n-1 as vic20 did, with the e-flite motor (4100rpm/v), heat sink, 20 amp controller and 8T pinion. It works beautifully. I took it to the field today, and did some FFF and some loops. It was amazing! the little Blade flew like a champ. Headspeed was very nice (~2000, I will measure it later...), didn't bog on climbouts, tail held very well, and ... well it was just awesome Yay!

Good flight, good night!

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