RE: Trex 450XL and Spektrum DX6  
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All Forums >> RC Helicopters >> Electric RC Helis >> T-Rex heli >> RE: Trex 450XL and Spektrum DX6
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RE: Trex 450XL and Spektrum DX6 - 2/24/2006 1:39:07 AM   
Mi_Heli_guy



Posts: 84
Joined: 2/22/2006
From: Dearborn Heights , MI, USA
Status: offline 		Well. It seems that I had everything set up perfectly... but the Reciever was broken when I got it. So, hours of troubleshooting, and a $70 ESC (Thought I fried my old one), and the owner of the shop tells me that a radio I bought YESTERDAY (That's right, less then 24h ago), has to be mailed to the manufacturer to be repaired/replaced. And furthermore, he informed me that it is about a 3-week process. Man, all I wanted to do was fly.

So, About $1400 or so later, here I sit, staring at TWO helicopters I can't fly. (I snapped a linkage in my Blade CP when I was flying in anger).


Talk about being shat upon.

_____________________________

Hpi Savage X

(in reply to GreenTea)
       Post #: 26

RE: Trex 450XL and Spektrum DX6 - 2/25/2006 11:35:20 AM   
a610412


 

Posts: 27
Joined: 2/10/2006
From: Sandy, UT, USA
Status: offline 		Please send me a copy of this document as well. I'm going to be using this setup for my mx400 pro

thank

rod2@hotmail.com

(in reply to GreenTea)
       Post #: 27

RE: Trex 450XL and Spektrum DX6 - 2/25/2006 4:18:24 PM   
Mi_Heli_guy



Posts: 84
Joined: 2/22/2006
From: Dearborn Heights , MI, USA
Status: offline 		Rod, the PM's are broken, Sending you an E-mail now.

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Hpi Savage X

(in reply to a610412)
       Post #: 28

RE: Trex 450XL and Spektrum DX6 - 3/1/2006 9:57:31 PM   
jaylsworth


 

Posts: 1
Joined: 12/13/2005
From: , OH, USA
Status: offline 		Respectfully request copy sent to:
jaylsworth@zoomtown.com
Thanks... Jack

(in reply to GreenTea)
       Post #: 29

RE: Trex 450XL and Spektrum DX6 - 3/2/2006 12:13:45 AM   
Mi_Heli_guy



Posts: 84
Joined: 2/22/2006
From: Dearborn Heights , MI, USA
Status: offline 		On it.

As a side note, This is a set up for eCCPM. NOT for a stancard CCPM Heli. As far as I know

< Message edited by Mi_Heli_guy -- 3/2/2006 12:28:57 AM >

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Hpi Savage X

(in reply to jaylsworth)
       Post #: 30

RE: Trex 450XL and Spektrum DX6 - 3/2/2006 6:24:05 PM   
docjoe


 

Posts: 166
Joined: 2/24/2006
From: Stockton, CA, USA
Status: offline 		I just purchased a T-Rex 450XL CDE and the Spektrum Dx6. Can you email me a copy of your setup as well?

docjoe@mac.com.

Thanks.

Joe

(in reply to Mi_Heli_guy)
       Post #: 31

RE: Trex 450XL and Spektrum DX6 - 3/2/2006 6:52:08 PM   
GreenTea


 

Posts: 41
Joined: 12/19/2005
From: Los Angeles, CA, USA
Status: offline 		The version that HeliGuy has emailed out is basically a copy of the text several messages back... very useful (and very appreciated!), but it's missing the images that the document refers to.

If anyone has the original with pics, I'd love that copy!

You can email it to:

ecom@binarycolor.com

Thanks ---

(in reply to docjoe)
       Post #: 32

RE: Trex 450XL and Spektrum DX6 - 3/2/2006 7:01:20 PM   
Mi_Heli_guy



Posts: 84
Joined: 2/22/2006
From: Dearborn Heights , MI, USA
Status: offline 		The tea is correct. When I got the text, the reffering URLs were bad. The images were no longer avaliable. It's a good place to start, but by NO MEANS an absolute end-all to setting it all up.


Funny story.. I was setting up my MX400Pro, and I forgot that I had set the throttle hold switch to 100% when activated. I hit it, and my heli lept to life in my living room..



MX400Pro:0
Ikea Birch reclining chair:1


Now, the real sad part is, the Trex blades are WAY too thin for the MX400's blade holders, and no one in the greater Detroit area stocks any blades for the MX400. It's another week without a heli for me! Unless I change my MX400 to the TREX blade holders (I already have the Trex aluminum Tail assembly).

_____________________________

Hpi Savage X

(in reply to GreenTea)
       Post #: 33

RE: Trex 450XL and Spektrum DX6 - 3/2/2006 7:06:51 PM   
GreenTea


 

Posts: 41
Joined: 12/19/2005
From: Los Angeles, CA, USA
Status: offline 		That's sad; so, how much damage was done to your chopper? I imagine it's prolly a little more than just replacing the blades...

(in reply to Mi_Heli_guy)
       Post #: 34

RE: Trex 450XL and Spektrum DX6 - 3/2/2006 7:21:03 PM   
Mi_Heli_guy



Posts: 84
Joined: 2/22/2006
From: Dearborn Heights , MI, USA
Status: offline 		Yep. I turned two blades into about 30 tiny pieces of balsa, some monokote, and a couple lead weights.

_____________________________

Hpi Savage X

(in reply to GreenTea)
       Post #: 35

RE: Trex 450XL and Spektrum DX6 - 3/10/2006 2:18:02 AM   
larryk9


 

Posts: 146
Joined: 12/24/2005
From: Victoria, BC, CANADA
Status: offline 		Hey guys,

Just finished the build and installation of my electronics for my Trex 450xl. This CCPM stuff is pretty complex! My Dragonfly 36 is much simpler. I have spun it up, but haven;t attempted to take off yet. The servos seem to humm a little when all the sticks are in neutral so I am guessing some rod length or trim adjustment is needed? I also have the DX6 with the stock servos in the Trex. I would appreciate if someone would email me a copy of the above instructions with the photos as I would like to make sure everything is setup right.

Thanks

Larry

larryk.will@shaw.ca

_____________________________

http://www.putfile.com/larryk9 / Some of my heli vids.

(in reply to Mi_Heli_guy)
       Post #: 36

RE: Trex 450XL and Spektrum DX6 - 3/10/2006 3:05:59 AM   
GreenTea


 

Posts: 41
Joined: 12/19/2005
From: Los Angeles, CA, USA
Status: offline 		Your results with the stock servos on the T-Rex may vary. Personally, I would take them out and invest in 3 hitec HR-56's and a digital servo for the tail, like the Futaba 9650, and pair it with a good gyro. From what I've heard, the stock servos that are in the DX6 kit are too slow-- especially for the tail.

quote:

ORIGINAL: larryk9

Hey guys,

Just finished the build and installation of my electronics for my Trex 450xl. This CCPM stuff is pretty complex! My Dragonfly 36 is much simpler. I have spun it up, but haven;t attempted to take off yet. The servos seem to humm a little when all the sticks are in neutral so I am guessing some rod length or trim adjustment is needed? I also have the DX6 with the stock servos in the Trex. I would appreciate if someone would email me a copy of the above instructions with the photos as I would like to make sure everything is setup right.

Thanks

Larry

larryk.will@shaw.ca

(in reply to larryk9)
       Post #: 37

RE: Trex 450XL and Spektrum DX6 - 3/10/2006 4:55:00 AM   
larryk9


 

Posts: 146
Joined: 12/24/2005
From: Victoria, BC, CANADA
Status: offline 		Thanks for the input! I am using a GY240 gyro which I beleive is adequate. As for the servos they are rated at .12 sec for 60* turn where the futaba 9650 is rated at .14 sec. Although they don't seem all that fast. The carbon fibre tail servo rod seems to bind a bit when it is stuck into its guide below the horizontal fin which doesn't seem good. I am not really all that impressed with the tail assembly overall on the Trex. I would expect more from a very popular and well engineered heli.

_____________________________

http://www.putfile.com/larryk9 / Some of my heli vids.

(in reply to GreenTea)
       Post #: 38

RE: Trex 450XL and Spektrum DX6 - 3/10/2006 7:49:21 AM   
GreenTea


 

Posts: 41
Joined: 12/19/2005
From: Los Angeles, CA, USA
Status: offline 		The servo rod should be tight, but it shouldn't bind. It seems at first that it binds, but if you have a good servo on it with high enough torque, it won't have a problem.

Also, the servo shouldn't be rated purely on its speed... the digital servos are very accurate, and work well with the gyro input. With a lesser servo, you'll have a bit of slop in the movement, which (when the heli is seeking a heading) could translate into a hunting mode, or tail wag.

I'm not saying that those servos won't work, but you really need a meaty servo on the tail for a good response.

Also, rotate the servo mount along the roll axis of the boom so that the pushrod lines up almost exactly along the boom itself; even though the servo may be at an odd angle, the pushrod will be completely along the line of motion, so you'll have one less thing to factor into its handling.

Good luck-- it really is a great helicopter!

quote:

ORIGINAL: larryk9

Thanks for the input! I am using a GY240 gyro which I beleive is adequate. As for the servos they are rated at .12 sec for 60* turn where the futaba 9650 is rated at .14 sec. Although they don't seem all that fast. The carbon fibre tail servo rod seems to bind a bit when it is stuck into its guide below the horizontal fin which doesn't seem good. I am not really all that impressed with the tail assembly overall on the Trex. I would expect more from a very popular and well engineered heli.

(in reply to larryk9)
       Post #: 39

RE: Trex 450XL and Spektrum DX6 - 3/11/2006 3:30:55 PM