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Helicopter
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Blade
Other › Twin tail motors - what a difference!
01-23-2007 02:52 AM  10 years agoPost 1
RaptorBee

rrApprentice

Minnesota

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I know this subject has been done to death, but for anyone who is on the fence about modifying the tail of their Blade CP or HoneyBee CP2 I say just go for it - you will not regret it!

I just intalled my Miroheli twin tail mount tonight and wired it up. The tail response is night and day compared to standard, and I found that my total control of the heli is way better just through the amount of mindshare that is freed up from not fighting the tail all the time. The area I need for a steady hover is probably half what it was before.

Before I would get into trouble when the tail was turning and the heli was going backwards. I simply could not turn the tail quick enough to regain control and would end up crashing. Now the tail simply spins back straight again with a small amount of rudder input and I can keep hovering. Rotation during climbouts and descents is also greatly reduced.

I am sure the direct drive tail also has the same effect, so whatever upgrade method you choose - just do it!!

All in all the best mod so far. Total cost $27.

RaptorBee

T-Rex 550E Flybar
T-Rex 450SE
E325 Mini Titan

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01-23-2007 02:59 AM  10 years agoPost 2
slider46

rrProfessor

Ocala Florida

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Your preaching to the choir here raptorbee... Glad your happy with your new setup.....

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

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01-23-2007 03:16 AM  10 years agoPost 3
RaptorBee

rrApprentice

Minnesota

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Hey Slider,

I know I am preaching to the choir, I just can't believe I waited so long myself to do this!

Why on earth don't they come from the factory like this????

RaptorBee

T-Rex 550E Flybar
T-Rex 450SE
E325 Mini Titan

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01-23-2007 03:26 AM  10 years agoPost 4
slider46

rrProfessor

Ocala Florida

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I don't know the answer to that one, The factory should be all over it.... it's like night and day once you switch to a tail with some power......

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

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01-23-2007 04:11 AM  10 years agoPost 5
Matt Runhart

rrNovice

Kitchener, Ontario, Canada

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I am not saying this in a bad way wahatsoever, im just pointing this out.

I got a direct drive kit with 2 spare props and a motor that handles my 3 and 4 cell packs easily (barely even warm) and is lighter than the 2 motor setup it would replace for $10 cdn with tax.

http://www2.towerhobbies.com/cgi-bi...1p?&I=LXHHM6&P=

Btw, i would reccomend getting the heatsink with it for the absolute longest life span.

http://www2.towerhobbies.com/cgi-bi...p?&I=LXHHN4&P=M

Ive had it for a year plus, and its still going strong. I fly almost every day.

The Ground is Your Enemy..... Avoid it at All Costs....

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01-23-2007 04:40 AM  10 years agoPost 6
Harry_Heli

rrNovice

USA

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Matt,

I originally designed my dual motor mount with motor life in mind, but looking at this it makes me very curious.

(AKA I may have to buy the parts)

How does it fly with the DD Tail?

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01-23-2007 05:05 AM  10 years agoPost 7
Gino CP

rrKey Veteran

Philippines

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A year of flying on the same motor is hard to believe. I needed to try it for myself. I ordered a CN12-RXC from aero-fever.com but they sent me an EDP50. They insist it is the same. No they are not.

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01-23-2007 01:30 PM  10 years agoPost 8
mfishhead

rrNovice

Belmont, MI USA

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Matt,

Which tail rotor housing did you use for mounting the direct drive motor? Would this setup work on CPP as well?

-Mike

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01-23-2007 03:59 PM  10 years agoPost 9
oneturboneeded

rrNovice

san diego

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i agree on the dd tail. im in san diego and the parts still only cost me 14 bucks and i wont go back. and i cant seem to screw up this motor. i have no way for the tail to not hit the ground but even after slamming the tail into the ground and after 40 or so flights it is still kickin. i used the ed 40h motor from gws and a prop and adapter from the same. love it wont go back.

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01-23-2007 04:57 PM  10 years agoPost 10
RaptorBee

rrApprentice

Minnesota

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Matt,

Are you really running 11.1v and 14v (3s and 4s) Li-po's with that motor? It says that it is rated at 6 to 7.2v!

As I said in my original post I have no axe to grind on the whole twin tail vs. direct drive argument. I just encourage everyone to try one of the two.

RaptorBee

T-Rex 550E Flybar
T-Rex 450SE
E325 Mini Titan

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01-24-2007 12:07 AM  10 years agoPost 11
Matt Runhart

rrNovice

Kitchener, Ontario, Canada

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Yes it works fine, on the package itself it says otherwise, 11.1, not a 4 cell but trust me, it works - 4 cell thunder power 800 with the stock speedo, it IS pushing it VERY much so with the stock speedo but it worked for at least half a dozen flights, I had just gotten a brushless tail system and decided to see what it takes to kill the stocker. In short, it took about 6-8 flights of 4 cell use, the tail motor is still good in my "basher" heli but I no longer run 4's unless its brushless.

BTW, Im with you on the Twin VS DD controversy, Both blow the stocker away (literally and figuratively). Doesnt mater which you have, just get one or the other.

PS, have a look through towers pages just for fun and count how many mistakes you can find, there are TONS, suttle, but there none the less. And also the pics occasionally dont quite match what you get, look up "associated pinion gear" and the one pic shows a gear that is thoroughly covered in rust and grease/oil.

The Ground is Your Enemy..... Avoid it at All Costs....

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01-24-2007 01:50 AM  10 years agoPost 12
slider46

rrProfessor

Ocala Florida

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I know I have been vocal about the DD tail system but, I really don't have a problem with anybody using either tail setup, Actually I'm glad to see them try one or the other.
What I don't like is people making false statements about a product, bad information or complain about a tail drive system and they never had one on their heli but to them it's junk.. usually they are the guys with a few months with a heli and know everything already, then try to steer the new guys into stupid upgrades that are not needed..... I guess that's when I get an opinion....LOL
Glad you got a tail that works for you...

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

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01-24-2007 02:09 AM  10 years agoPost 13
DoubleTap

rrApprentice

Troy, Michigan - USA

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That's good news Raptor. I'm happy it worked out well for you.

Happy flying!

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01-24-2007 03:27 AM  10 years agoPost 14
Gino CP

rrKey Veteran

Philippines

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I revisited the DD tail and installed the aero-fever.com supplied cn12-rXC (but says EDP50 on the pack) plus a 3020 prop. The setup is lighter than the dual tail motors. Nice.

First impression is the excellent precision. Speed and tail hold is not very far from a dual tail motor setup but the precision is noticeable. The stepped left turns of the dual motors is gone. Left and right turns are very smooth. Heli now does funnels very well. Reverese flying is also much stable. Piros now feel very stable unlike the the dual tail where it feels like the heli will break apart. I am liking this. Again.

Now all that is left is to see if this motor will last. Aero-fever claims that this motor is the same as the CN12-RXC which is used on the EDF40H. I doubt it. Says EDP50 right on the label. I'd be happy if this lasts 10 hours.

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01-24-2007 02:38 PM  10 years agoPost 15
beaulac

rrApprentice

Canada.

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Hi Gino!
I have now about 15 flights with my new blade cp pro and i like it!
I have about 25 flights in bank before my tail motor quit !
I am flying indoor because it too cold outside at this time of the year (-25 c).
I am flying with my friend, owner of blade cp pro too.
I am looking to try the dd tail rotor option to get better tail control.
I have already a gws dd power system like this !
(the same motor i use on my c-130 hercules).


Do you have to modify something to fit on blade cp pro ?
Do you have a photo !

Thanks !

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01-24-2007 03:03 PM  10 years agoPost 16
slider46

rrProfessor

Ocala Florida

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Here is a link to the DD tail installation as posted before try to get the EDF40H motor as it is rated for 12 volts... http://www.bladecprepair.com/man_tr_dd_conversion.html

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

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01-24-2007 03:11 PM  10 years agoPost 17
Gino CP

rrKey Veteran

Philippines

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I just elongated the big hole on the stock tail housing so the motor bushing will fit flush. Then the motor slipped in nicely. I secured the motor with just one screw because only one hole lines up at a time. I used Loctite. Then I wired the motor wires in reverse. Then I oriented the prop so its leading edge goes in direction of the spin.

http://i97.photobucket.com/albums/l...20Tail/3020.jpg

http://i97.photobucket.com/albums/l...il/cn12-rxc.jpg

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01-24-2007 03:40 PM  10 years agoPost 18
TonyF

rrApprentice

Southern CA

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Just one comment. I first tried the dual motor system and was happy, but I then tried the DD set-up with the DF motor and the 3020 prop. It was working pretty well, then I had one of the 3020 props fail. A blade fractured and blew off the hub. So I went back to the dual motor. Granted, I am pushing the machine using a Park 400 4200 kv motor, but I have had no failures with the dual.

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01-24-2007 03:57 PM  10 years agoPost 19
Gino CP

rrKey Veteran

Philippines

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No doubt the duals are very reliable. The rotors are near indestructible. Motors run cool. A good compromise between performance and reliability. I like the duals too. I've been using it but decided that I should compare it with the DD now that I fly better.

I noticed that the CN12-RXC + 3020 prop was more precise and decisive than the duals. And it didn't feel like the tail would break apart after doing fast piros. Something that scared me with the duals. On a few occasions, I've had the stock rotor come loose doing fast piros.

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01-24-2007 04:02 PM  10 years agoPost 20
TonyF

rrApprentice

Southern CA

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I should have mentioned that I am using the carbon fiber tail rotor with my duals. The lighter weight lets them spin up and down faster, so I have not seen the symptoms you describe.

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Other › Twin tail motors - what a difference!
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