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Other › TREX or MX400
02-08-2006 01:01 AM  12 years agoPost 1
The_Bullpup

rrApprentice

Dallas, Texas

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I am thinking about getting another electric Heli the the future (most likely months from now) and I was wondering what you guys think the positives are of the TREX over the MX400. I dont really know anything about the different models of TREX-es so if someone could point a few out and what they are that would be great also.
Thanks

~David--Dallas, TX

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02-08-2006 01:25 AM  12 years agoPost 2
kookboy

rrKey Veteran

Vancouver, BC

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I've got a friend who has an MX400 stock and it hovers rock solid compared to my stock rex.

However, when upgrading parts with the two, I found that the Rex gets more point in my book.

I like how it 'feels' better and the cost/looks of parts IMO are better in one way or another.

Trex vote for me.

I would start with the Trex 450XL CDE CCPM heli.

... But honey it was only $$$

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02-08-2006 01:34 AM  12 years agoPost 3
nonpareil_one

rrApprentice

Dallas, TX

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I got a Trex SE from Andy at Aerohobbies in Lewisville and couldn't be happier. It's a solid stable machine and Andy was a great help in setting it up. Prior to me knowing about Aerohobbies, I bought a 3dx-400 (the blinged out shogun clone) and had problem after problem with it when tryin to set it up.

After a few days of problems I went back to Andy and bought the SE, assembled it over a few hours, the next day I had it set up, Andy test flew it and trimmed it out for me and I've been hovering around and flying circuits on dozens of packs since. I hope to get assistance setting it up for 3d soon.

I don't know much about the MX-400s, but you can check out all the Trex models, the MX-400 and MX-400 Pro at Aerohobbies, he carries them all. From what I saw just looking at the MX-400 it seems like an ok chopper, very close to the T-rex in size and with several interchangable parts, but everything also seemed a little bit sloppier.

I set my rex up with the following:

T-Rex SE Kit
Blue tail drive alloy belt pinion kit
JR 6102
JR R610UL Micro Recv
3x JR S241 Micro Servos for Cyclic (gonna change to SL281's soon)
Futaba 9250 for Tail
CSM SL560 Gyro
JGF 450TH with align 13tooth pinion
CC Phoenix 35 ESC
Flying with PQ 1800XP and Dualsky X-power 2250 Lipos (2 of each)

All of which you can get at Aerohobbies (cept the PQ 1800xp packs, had those from my RC18T...)

NPO

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02-08-2006 02:10 AM  12 years agoPost 4
exeter_acres

rrApprentice

Johns Creek, GA

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if you fly mostly inside...and just want to hover around...
the mx400 is fine...

if you want a serious aerobatic/3D helicopter that can fly inside or outside....and is just a Hoot to fly... get the Trex...

I have owned both the Shogun (clone of the Mx400) and the Rex...

the Shogun is fine, but just feels like a toy compared to the Rex


just my .02 adjusted for inflation

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02-08-2006 07:33 AM  12 years agoPost 5
Tioli

rrVeteran

Kona, Hawaii

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There's a great comparison here:

http://www.x400tuning.com/build.htm

The whole site is worth checking out...

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02-08-2006 08:49 AM  12 years agoPost 6
BikeNBoatN

rrVeteran

Santa Ana, CA USA

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Shogun is *not* a clone of the X400/MX400. Shogun is a little smaller overall and is considerably different: motor is behind the main shaft, main shaft is hollow for the collective pushrod, shorter main blades, smaller diameter tail boom, etc. Shogun is the same as the 3D-X400/X-400/Zap/Zoom.

The confusion is that an X-400 and an X400 are different. Ark makes the X400 as a kit, and HeliMax distributes the same heli as an ARF labled as the MX400. The X400/MX400 flies a lot more stable out of the box than the TRex primarily because of its weighted flybar paddles. The X400/MX400 and TRex were designed by the same person, hence their similarities. The X400/MX400 is most similar to the original TRex v1 as they both have the same shape canopy, short tail boom, mechanical pitch. The later TRex-XL has a different canopy, and longer boom, while -CDE has CCPM.

I would not consider the X400/MX400 to be any more of an "in-the-house" flyer than a TRex as they are both basically the same size, use the same motors, blades, batteries, etc. Many of the parts are interchangeable, with the biggest difference being that the X400/MX400 has a 138 tooth main gear, while the TRex has a 150 tooth main gear. This makes spacing between the motor shaft, main shaft and tail shaft different, which makes the aluminum-frame X400/MX400 incompatable with any of the plastic or CF TRex frames.

I've got an MX400 and have built/flown a TRex so I just thought I'd make the clarification.

Brent.

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02-08-2006 09:08 AM  12 years agoPost 7
nonpareil_one

rrApprentice

Dallas, TX

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Shogun is *not* a clone of the X400/MX400.
I know. My first paragraph wasn't confusing the two, merely outlining my path to the rex here in Dfw, where David appears to be from, like me. I was merely trying to point him towards some local guidance where he can touch and see his choices See my third paragraph, I tell him to come to aerohobbies and check them out.

I still have the 3dx-400 sitting here on my living room floor, there is a significant size difference. It is a shogun clone for the most part, but the motor is up front on it. I've given up on it and I'll probably unload it cheap with 3 HS-55s in it and no skids (they were nice, they're on the rex) and let someone else sort out the the issues I had with it

NPO

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02-08-2006 01:11 PM  12 years agoPost 8
exeter_acres

rrApprentice

Johns Creek, GA

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I was the one that said it was a clone...

I retract that statement...

sorry... and thanks for the headsup

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02-08-2006 02:23 PM  12 years agoPost 9
axis

rrApprentice

Lone Star State, USA

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I too bought my Trex 450XL CDE CCPM from Andy. I did it all on my own. Nobody told me about the free setup and all that stuff. However, he has all the parts you need for the TRex and is very helpful. I would go with the TRex because you can get parts for it, the upgrade market is never ending and it flies soooo nice..

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02-10-2006 01:48 AM  12 years agoPost 10
The_Bullpup

rrApprentice

Dallas, Texas

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if I bought a TREX, where could I get flybar weights or weighted paddles for the beginning when I will just be hovering?

~David--Dallas, TX

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02-10-2006 02:00 AM  12 years agoPost 11
Chugga-bug

rrVeteran

London UK

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The_Bullpup

Align make some flybar weights, or you can use Shogun paddles if you cut down the flybar a bit.

"Up in smoke... that's where my money goes.."

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02-10-2006 09:05 AM  12 years agoPost 12
nonpareil_one

rrApprentice

Dallas, TX

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The SE comes with flybar weights. I'm not sure about the other kits.

NPO

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02-10-2006 07:16 PM  12 years agoPost 13
Squirrlybird

rrVeteran

Suffolk, Va US

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The x400 and trex are mostly the same heli. The big difference is the x400 has aluminum frames where the trex has plastic. That is why I have a trex400. Most parts are interchangeable. The x400 main gear has 138 teeth where the trex has 150. That only means that you will use 1 tooth less on the motor pinion. The x400 has heavier paddles making it more stable for a beginner. The trex flybar fits right in, so you can use lighter trex paddles if you wish, or you could put x400 flybar and paddles in your rex. You can also fit trex blade grips on the x400 for a wider selection of blades. The x400 does require one modification, the aluminum center hub. Both helis need the swash fix.

Go with the one that you can get the most support on. They really fly about the same.

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02-10-2006 09:44 PM  12 years agoPost 14
EZ Money

rrNovice

Las Vegas, NV

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I have both a X-400 and a TRex. My X-400 features the ARC metal head and metal main blade grips, TRex swash and TRex tail blade holders.

My TRex ECCPM is box stock except for my addition of Shogun flybar paddles and one small wheel collar on each to tame it down.

The 400 will never be right due to the sloppy elevator system but the TRex will hover hands off for several seconds and is still responsive on high rates.

I am putting my 400 up for sale on consignment next week.

IMO get the Rex.

www.ezmoneyracing.com

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