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Helicopter
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Blade
Other › DD tail or dual motor drive
01-28-2007 12:54 AM  10 years agoPost 41
Gino CP

rrKey Veteran

Philippines

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The motor on the EDP-50XC is CN12-RXC as published. The EDF40H is also published as having the CN12-RXC. That is why I was confused when Mr Cheng said the motor in the EDP50-XC was only for 7.2v.

Oh well, just need a pound of these motors. It's handling so good I will surely miss it.

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01-28-2007 02:21 AM  10 years agoPost 42
Splatcat

rrApprentice

Shandon, CA USA

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Voltage

Hey Gino, I have looked even further and the only motors avail from GWS are the RXC and the RLC. I think the whole deal is the prop size that the en user puts on(or breaks their motor in attempting to do so LOL) The XC is definitely the one in the H ducted fan that says it can handle the 11.1. Time will tell. I do think that the 0320 prop will help. Next time I will attempt to use a small C-clamp to install it.

Dear God, please let it set down just as it took off. Amen.

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01-28-2007 02:32 AM  10 years agoPost 43
Gino CP

rrKey Veteran

Philippines

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I think the prop has much to do with it. The problematic experience I had was with the 4530 prop and EDP50 motor. But admittedly that was designed for the 7.4v GWS Dragonfly.

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01-28-2007 02:40 AM  10 years agoPost 44
slider46

rrProfessor

Ocala Florida

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Why don't you just get the shaft adapter for the motor like it shows on blade cp repair. That way the prop is bolted on and not pushed on, It also gives you more clearance from the tail mount...
I tok the 4530 prop that is shown on bcp repair and cut it down to a 3" prop like the 2030

Tom..... No "D" flying....

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01-28-2007 02:45 AM  10 years agoPost 45
Gino CP

rrKey Veteran

Philippines

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Or drill out the 0320 prop to fit the prop adapter bushing. remember to flat spot the shaft.

I personally prefer the simplicity of the press fit. No screws to tighten. Just one less thing to think about.

2 hours on my motor. So far so good...

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01-28-2007 04:29 PM  10 years agoPost 46
fastlif

rrApprentice

PA USA

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I tried the single motor DD mod yesterday with the 50H motor. Motor was fine, but, with the 3020 props, there was just not enough power there with the tail. caused me to biff it twice, breaking both props. I dunno, have the gyro, the eflite Brushless motor, things are pretty happy with the stock tail, still not direct drive perfect, but happy. with that mod tho on the tail, I dont know where I went wrong?

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01-28-2007 05:03 PM  10 years agoPost 47
Mattenzi

rrApprentice

Queen Creek, Arizona

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Okay I am confused and frustrated,
Nobody has the EDF-40H Electric Ducted Fan Power System in stock. Thats fine as all I wnat is the motor rated for the 11.1 volts the BCPP put to the tail. The EDF-50H seems as though it is rated for 7.2 volts. HELP........

Mattenzi

if it aint broke, it will be....

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01-28-2007 05:13 PM  10 years agoPost 48
Gino CP

rrKey Veteran

Philippines

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You want the CN12-RXC. This comes with the GWS EDP-50XC prop and motor set. You can also buy the motors and props from aero-fever.com or heli-fever.com. They are Hong Kong based. But it takes just about a week or less to get the parts to the US.

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01-28-2007 05:28 PM  10 years agoPost 49
Mattenzi

rrApprentice

Queen Creek, Arizona

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Okay thanks Gino,they have the exact set you just called out in stock at tower hobbies. However it says the motor is only rated for the 7.2 volts. I can see you have done your homework on this as well as Slider. I just need to be clear that this is rated for 11.1 volts although it is published at 7.2...Flying a CPP not CP

Mattenzi

if it aint broke, it will be....

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01-28-2007 06:05 PM  10 years agoPost 50
slider46

rrProfessor

Ocala Florida

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If it says it's rated for 7.2 v what makes you think it is rated for 11.1v??? I don't understand your logic 7.2v is 7.2v no matter how you read it....

Tom..... No "D" flying....

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01-28-2007 06:11 PM  10 years agoPost 51
Funky Trex

rrElite Veteran

Westerville, OH - USA

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I agree that the difference for voltage rating is the prop. The motors cannot handle the larger props with the higher voltage very long. There is more than one EDF/EDP setups using the same 12-RXC motor with ratings for 7.2 volts and others for 11.1 volts.

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01-28-2007 06:16 PM  10 years agoPost 52
Mattenzi

rrApprentice

Queen Creek, Arizona

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Yeah I know Slider, reading some of these posts it has gotten a bit confusing (for me). This is why I asked for clarity, I suppose the only motor rated for the 11.1 volt is this one in the EDF-40H Electric Ducted Fan Power System that no one has in stock.

I am about ready to replace my third tail motor in the CCP after one month to the day of flying it. I just want to know what motor wont crap out the brushes after 10 hrs.

Mattenzi

if it aint broke, it will be....

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01-28-2007 06:27 PM  10 years agoPost 53
bpd282

rrApprentice

littleton, co u.s.a.

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Ok,

I have six flights (a little over an hour) on the EDF-40H and it is flying nice.

At first it was warm to hot after a ten minute flight, but now that I took a little gain out (thanks slider) it is only warm after flight. I also went to a lighter battery also.

I have a really heavy set up right now, super skids and 1200mah battery. That also may be taxing on the tail motor. I plan on going back to stock skids and a 800mah battery soon.

Slider,

I have the same prop as shown on bladecprepair. Do you think I need to cut it down? Does this improve motor life or help with control? It seems to fly just fine now.

Thanks.

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01-28-2007 07:15 PM  10 years agoPost 54
Splatcat

rrApprentice

Shandon, CA USA

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GWS motor info.

The motors for power system drive that GWS offers.
http://www.gws.com.tw/english/product/MOTOR/MOTOR.HTM
Exhibit 1

The 1 product that mentions higher voltage handling capability.
http://www.gws.com.tw/english/produ...ystem/edf40.htm
Exhibit 2

CN12-RXC Is the motor that is used in the GW/EDF-40H the only place in all of GWS land that you see that the motor CN12-RXC is capable of handling 9.6,10.8, or 12 volts(Exhibit 2). This IMO is due to the small ducted fan prop. I Have an Email into GWS right now to see if this is the deal.

As you can see GWS only offers 2 diffent motors CN12-RLC or the CN12-RXC(Exhibit 1). I find it interesting that RLC shows that it is 2.4 volts here. Put either motor in a ducted fan unit and the voltage increases. The olny thing that seem to be consistant is not matter where you look at he CNI-RXC it is always showing as the higher voltage motor. I will post the reply hopefully with specific information from GWS.

This was a reply from a not so specific question.
Actually, my colleague in GWS USA would need to reply to your question as you live in USA.

Please be inoformed that CN12-RXC has been used on the following GWS products,
EDP-50XC, IPS-DX2BB series, IPSD-RXC series, LPS-RXC series, EDF-50H, EDF-50AH, EDF-50BH and EDF40H
http://www.gwsus.com/english/produc...ystem/edp50.htm
http://www.gwsus.com/english/produc...m/ips-dx2bb.htm
http://www.gwsus.com/english/produc...system/ipsd.htm
http://www.gwsus.com/english/produc...rsystem/lps.htm
http://www.gwsus.com/english/produc...ystem/edf50.htm
http://www.gwsus.com/english/produc...ystem/edf40.htm

Please be reminded that using shorter propeller is required when applying 11.1V on this CN12-RXC motor.
You could take enough reference from reading the linked performance data of direct drive EDP40H and EDP50H.

Hope these would be helpful.

Regards,
Chen

Dear God, please let it set down just as it took off. Amen.

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01-28-2007 07:58 PM  10 years agoPost 55
Mattenzi

rrApprentice

Queen Creek, Arizona

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Thank you Chen!!!!!

This makes it clear to me.

Thanks to all who have bumped this topic!!!

Mattenzi

if it aint broke, it will be....

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01-28-2007 10:36 PM  10 years agoPost 56
Funky Trex

rrElite Veteran

Westerville, OH - USA

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Thanks Chen for a better answer about these motors. I have been using the 12-RXC from the EDF50H for a while now and people always tell me I have the wrong motor because its not from the EDF40H. I have said before that these use the same motor, but some people are hard to convince

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01-28-2007 10:48 PM  10 years agoPost 57
toys

rrNovice

Richardson Texas USA

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I just purchased two of the EDP-50h motors. I can't wait to get them on my CPP to see the difference. I have 4530 props to go with it. Should I cut them down to 3 inches or leave them the length they came? Lots of confusion in this area for me.

I read the standard 4530 will burn the motor out and the 3 inch is not enough. Any help will be greatful.
Thanks.

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01-28-2007 10:58 PM  10 years agoPost 58
Funky Trex

rrElite Veteran

Westerville, OH - USA

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If you have the right motor, the 3" 3020 props are more than enough. At full right rudder my piro rate is insanely fast. Anyone that doesn't think the 3020 works great should check out Nick Maxwells vid of his Blade with the 12-RXC and 3020 prop.

http://media.putfile.com/Hyper-BCP-Pro-10906

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01-29-2007 12:51 AM  10 years agoPost 59
Mattenzi

rrApprentice

Queen Creek, Arizona

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Okay guys,

Everything is on order for the complete tail mod. as described at http://www.bladecprepair.com/man_tr_dd_conversion.html

I have the correct motor and the size the prop is important as I am now clear on the dynamics of the mod. and what makes it able to handle the voltage. Anyhow when I have made the modifications and have some hours on it I will gladly report it's performance.

I am excited to try it out, had some great outdoor flying today fff and of course backward flight, piros and such up tp 40 ft even over my neighbors back yard(s).

Thanks again to you all,

Mattenzi

if it aint broke, it will be....

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01-29-2007 02:14 AM  10 years agoPost 60
Micro-Maniac

rrElite Veteran

Pasco,Washington Formerly: Captain Chaos

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I suspected it was the prop applications that gave the voltage ratings but haven't been sure so been recommending the EDF-40H based on the published ratings -

The first DD set I tried was an EDP-50XC and it was working fine but I never got a chance to test it long term as I lost it in a crash (bogged motor into mid-air self-destruct) about the 12th flight and never found it - I went ahead and replaced it with the EDF-40H just to be on the safe side -

So from now on I think I'll just be using and recommending the EDP-50XC as it comes in a package with 2 3020 props which worked excellently for the dozen flights I used it -

I just tried this DD setup on a basically stock BCP/P without a HH gyro or BL setup a few days ago and it is definitely an improvement over the stock tail - I was able to fly backward and funnels but not really any pirouetting maneuvers - Definitely stuff I can't do worth a hoot on the stock setup -

When I was running a BL setup G90 gyro and DD tail it would hold inverted backwards hurricanes as fast as I could fly em - Funnels were excellent - And piro-funnels rivaled those of my H2 - Impressive holding power for this tail type - Next nice day I'll try it with the BL setup again and GY401 gyro -

The GWS DD with 3020 "wide" (not tapered) props are definitely the way to go - Especially in combination with an HH gyro -

Here is the motor and prop package I first used for under $11 -
http://www.bphobbies.com/view.asp?i...id=gws100&img=l
Heat sink for 65¢ -
http://www.bphobbies.com/view.asp?id=V429505&pid=gws050
Extra props for 81¢
http://www.bphobbies.com/view.asp?i...06&pid=iprop009

BCP/Pro
CP2 head
HS-55s
Park370/4100kv/8t
TB18 BL ESC
GY401
EDF-40H/3020
255mm KoK/V blades
TP1320S3
DX7/AR6100

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Helicopter
e-
Blade
Other › DD tail or dual motor drive
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